brcm80211: move under broadcom vendor directory

Part of reorganising wireless drivers directory and Kconfig. Note that I had to
edit Makefiles from subdirectories to use the new location.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/broadcom/Kconfig

@@ -13,5 +13,6 @@ if WLAN_VENDOR_BROADCOM
 
 source "drivers/net/wireless/broadcom/b43/Kconfig"
 source "drivers/net/wireless/broadcom/b43legacy/Kconfig"
+source "drivers/net/wireless/broadcom/brcm80211/Kconfig"
 
 endif # WLAN_VENDOR_BROADCOM

drivers/net/wireless/broadcom/Makefile

@@ -1,2 +1,5 @@
 obj-$(CONFIG_B43)		+= b43/
 obj-$(CONFIG_B43LEGACY)		+= b43legacy/
+
+obj-$(CONFIG_BRCMFMAC)	+= brcm80211/
+obj-$(CONFIG_BRCMSMAC)	+= brcm80211/

drivers/net/wireless/broadcom/brcm80211/Kconfig

@@ -0,0 +1,87 @@
+config BRCMUTIL
+	tristate
+
+config BRCMSMAC
+	tristate "Broadcom IEEE802.11n PCIe SoftMAC WLAN driver"
+	depends on MAC80211
+	depends on BCMA_POSSIBLE
+	select BCMA
+	select NEW_LEDS if BCMA_DRIVER_GPIO
+	select LEDS_CLASS if BCMA_DRIVER_GPIO
+	select BRCMUTIL
+	select FW_LOADER
+	select CORDIC
+	---help---
+	  This module adds support for PCIe wireless adapters based on Broadcom
+	  IEEE802.11n SoftMAC chipsets. It also has WLAN led support, which will
+	  be available if you select BCMA_DRIVER_GPIO. If you choose to build a
+	  module, the driver will be called brcmsmac.ko.
+
+config BRCMFMAC
+	tristate "Broadcom IEEE802.11n embedded FullMAC WLAN driver"
+	depends on CFG80211
+	select BRCMUTIL
+	---help---
+	  This module adds support for embedded wireless adapters based on
+	  Broadcom IEEE802.11n FullMAC chipsets. It has to work with at least
+	  one of the bus interface support. If you choose to build a module,
+	  it'll be called brcmfmac.ko.
+
+config BRCMFMAC_PROTO_BCDC
+	bool
+
+config BRCMFMAC_PROTO_MSGBUF
+	bool
+
+config BRCMFMAC_SDIO
+	bool "SDIO bus interface support for FullMAC driver"
+	depends on (MMC = y || MMC = BRCMFMAC)
+	depends on BRCMFMAC
+	select BRCMFMAC_PROTO_BCDC
+	select FW_LOADER
+	default y
+	---help---
+	  This option enables the SDIO bus interface support for Broadcom
+	  IEEE802.11n embedded FullMAC WLAN driver. Say Y if you want to
+	  use the driver for a SDIO wireless card.
+
+config BRCMFMAC_USB
+	bool "USB bus interface support for FullMAC driver"
+	depends on (USB = y || USB = BRCMFMAC)
+	depends on BRCMFMAC
+	select BRCMFMAC_PROTO_BCDC
+	select FW_LOADER
+	---help---
+	  This option enables the USB bus interface support for Broadcom
+	  IEEE802.11n embedded FullMAC WLAN driver. Say Y if you want to
+	  use the driver for an USB wireless card.
+
+config BRCMFMAC_PCIE
+	bool "PCIE bus interface support for FullMAC driver"
+	depends on BRCMFMAC
+	depends on PCI
+	depends on HAS_DMA
+	select BRCMFMAC_PROTO_MSGBUF
+	select FW_LOADER
+	---help---
+	  This option enables the PCIE bus interface support for Broadcom
+	  IEEE802.11ac embedded FullMAC WLAN driver. Say Y if you want to
+	  use the driver for an PCIE wireless card.
+
+config BRCM_TRACING
+	bool "Broadcom device tracing"
+	depends on BRCMSMAC || BRCMFMAC
+	---help---
+	  If you say Y here, the Broadcom wireless drivers will register
+	  with ftrace to dump event information into the trace ringbuffer.
+	  Tracing can be enabled at runtime to aid in debugging wireless
+	  issues. This option adds a small amount of overhead when tracing
+	  is disabled. If unsure, say Y to allow developers to better help
+	  you when wireless problems occur.
+
+config BRCMDBG
+	bool "Broadcom driver debug functions"
+	depends on BRCMSMAC || BRCMFMAC
+	select WANT_DEV_COREDUMP
+	---help---
+	  Selecting this enables additional code for debug purposes.

drivers/net/wireless/broadcom/brcm80211/Makefile

@@ -0,0 +1,23 @@
+#
+# Makefile fragment for Broadcom 802.11n Networking Device Driver
+#
+# Copyright (c) 2010 Broadcom Corporation
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+# common flags
+subdir-ccflags-$(CONFIG_BRCMDBG)	+= -DDEBUG
+
+obj-$(CONFIG_BRCMUTIL)	+= brcmutil/
+obj-$(CONFIG_BRCMFMAC)	+= brcmfmac/
+obj-$(CONFIG_BRCMSMAC)	+= brcmsmac/

drivers/net/wireless/broadcom/brcm80211/brcmfmac/Makefile

@@ -0,0 +1,57 @@
+#
+# Makefile fragment for Broadcom 802.11n Networking Device Driver
+#
+# Copyright (c) 2010 Broadcom Corporation
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ccflags-y += \
+	-Idrivers/net/wireless/broadcom/brcm80211/brcmfmac	\
+	-Idrivers/net/wireless/broadcom/brcm80211/include
+
+ccflags-y += -D__CHECK_ENDIAN__
+
+obj-$(CONFIG_BRCMFMAC) += brcmfmac.o
+brcmfmac-objs += \
+		cfg80211.o \
+		chip.o \
+		fwil.o \
+		fweh.o \
+		fwsignal.o \
+		p2p.o \
+		proto.o \
+		common.o \
+		core.o \
+		firmware.o \
+		feature.o \
+		btcoex.o \
+		vendor.o
+brcmfmac-$(CONFIG_BRCMFMAC_PROTO_BCDC) += \
+		bcdc.o
+brcmfmac-$(CONFIG_BRCMFMAC_PROTO_MSGBUF) += \
+		commonring.o \
+		flowring.o \
+		msgbuf.o
+brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \
+		sdio.o \
+		bcmsdh.o
+brcmfmac-$(CONFIG_BRCMFMAC_USB) += \
+		usb.o
+brcmfmac-$(CONFIG_BRCMFMAC_PCIE) += \
+		pcie.o
+brcmfmac-$(CONFIG_BRCMDBG) += \
+		debug.o
+brcmfmac-$(CONFIG_BRCM_TRACING) += \
+		tracepoint.o
+brcmfmac-$(CONFIG_OF) += \
+		of.o

drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c

@@ -0,0 +1,389 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*******************************************************************************
+ * Communicates with the dongle by using dcmd codes.
+ * For certain dcmd codes, the dongle interprets string data from the host.
+ ******************************************************************************/
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+
+#include "core.h"
+#include "bus.h"
+#include "fwsignal.h"
+#include "debug.h"
+#include "tracepoint.h"
+#include "proto.h"
+#include "bcdc.h"
+
+struct brcmf_proto_bcdc_dcmd {
+	__le32 cmd;	/* dongle command value */
+	__le32 len;	/* lower 16: output buflen;
+			 * upper 16: input buflen (excludes header) */
+	__le32 flags;	/* flag defns given below */
+	__le32 status;	/* status code returned from the device */
+};
+
+/* BCDC flag definitions */
+#define BCDC_DCMD_ERROR		0x01		/* 1=cmd failed */
+#define BCDC_DCMD_SET		0x02		/* 0=get, 1=set cmd */
+#define BCDC_DCMD_IF_MASK	0xF000		/* I/F index */
+#define BCDC_DCMD_IF_SHIFT	12
+#define BCDC_DCMD_ID_MASK	0xFFFF0000	/* id an cmd pairing */
+#define BCDC_DCMD_ID_SHIFT	16		/* ID Mask shift bits */
+#define BCDC_DCMD_ID(flags)	\
+	(((flags) & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT)
+
+/*
+ * BCDC header - Broadcom specific extension of CDC.
+ * Used on data packets to convey priority across USB.
+ */
+#define	BCDC_HEADER_LEN		4
+#define BCDC_PROTO_VER		2	/* Protocol version */
+#define BCDC_FLAG_VER_MASK	0xf0	/* Protocol version mask */
+#define BCDC_FLAG_VER_SHIFT	4	/* Protocol version shift */
+#define BCDC_FLAG_SUM_GOOD	0x04	/* Good RX checksums */
+#define BCDC_FLAG_SUM_NEEDED	0x08	/* Dongle needs to do TX checksums */
+#define BCDC_PRIORITY_MASK	0x7
+#define BCDC_FLAG2_IF_MASK	0x0f	/* packet rx interface in APSTA */
+#define BCDC_FLAG2_IF_SHIFT	0
+
+#define BCDC_GET_IF_IDX(hdr) \
+	((int)((((hdr)->flags2) & BCDC_FLAG2_IF_MASK) >> BCDC_FLAG2_IF_SHIFT))
+#define BCDC_SET_IF_IDX(hdr, idx) \
+	((hdr)->flags2 = (((hdr)->flags2 & ~BCDC_FLAG2_IF_MASK) | \
+	((idx) << BCDC_FLAG2_IF_SHIFT)))
+
+/**
+ * struct brcmf_proto_bcdc_header - BCDC header format
+ *
+ * @flags: flags contain protocol and checksum info.
+ * @priority: 802.1d priority and USB flow control info (bit 4:7).
+ * @flags2: additional flags containing dongle interface index.
+ * @data_offset: start of packet data. header is following by firmware signals.
+ */
+struct brcmf_proto_bcdc_header {
+	u8 flags;
+	u8 priority;
+	u8 flags2;
+	u8 data_offset;
+};
+
+/*
+ * maximum length of firmware signal data between
+ * the BCDC header and packet data in the tx path.
+ */
+#define BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES	12
+
+#define RETRIES 2 /* # of retries to retrieve matching dcmd response */
+#define BUS_HEADER_LEN	(16+64)		/* Must be atleast SDPCM_RESERVE
+					 * (amount of header tha might be added)
+					 * plus any space that might be needed
+					 * for bus alignment padding.
+					 */
+struct brcmf_bcdc {
+	u16 reqid;
+	u8 bus_header[BUS_HEADER_LEN];
+	struct brcmf_proto_bcdc_dcmd msg;
+	unsigned char buf[BRCMF_DCMD_MAXLEN];
+};
+
+
+static int
+brcmf_proto_bcdc_msg(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf,
+		     uint len, bool set)
+{
+	struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd;
+	struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg;
+	u32 flags;
+
+	brcmf_dbg(BCDC, "Enter\n");
+
+	memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd));
+
+	msg->cmd = cpu_to_le32(cmd);
+	msg->len = cpu_to_le32(len);
+	flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT);
+	if (set)
+		flags |= BCDC_DCMD_SET;
+	flags = (flags & ~BCDC_DCMD_IF_MASK) |
+		(ifidx << BCDC_DCMD_IF_SHIFT);
+	msg->flags = cpu_to_le32(flags);
+
+	if (buf)
+		memcpy(bcdc->buf, buf, len);
+
+	len += sizeof(*msg);
+	if (len > BRCMF_TX_IOCTL_MAX_MSG_SIZE)
+		len = BRCMF_TX_IOCTL_MAX_MSG_SIZE;
+
+	/* Send request */
+	return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg, len);
+}
+
+static int brcmf_proto_bcdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len)
+{
+	int ret;
+	struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd;
+
+	brcmf_dbg(BCDC, "Enter\n");
+	len += sizeof(struct brcmf_proto_bcdc_dcmd);
+	do {
+		ret = brcmf_bus_rxctl(drvr->bus_if, (unsigned char *)&bcdc->msg,
+				      len);
+		if (ret < 0)
+			break;
+	} while (BCDC_DCMD_ID(le32_to_cpu(bcdc->msg.flags)) != id);
+
+	return ret;
+}
+
+static int
+brcmf_proto_bcdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
+			    void *buf, uint len)
+{
+	struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd;
+	struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg;
+	void *info;
+	int ret = 0, retries = 0;
+	u32 id, flags;
+
+	brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len);
+
+	ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, false);
+	if (ret < 0) {
+		brcmf_err("brcmf_proto_bcdc_msg failed w/status %d\n",
+			  ret);
+		goto done;
+	}
+
+retry:
+	/* wait for interrupt and get first fragment */
+	ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len);
+	if (ret < 0)
+		goto done;
+
+	flags = le32_to_cpu(msg->flags);
+	id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT;
+
+	if ((id < bcdc->reqid) && (++retries < RETRIES))
+		goto retry;
+	if (id != bcdc->reqid) {
+		brcmf_err("%s: unexpected request id %d (expected %d)\n",
+			  brcmf_ifname(drvr, ifidx), id, bcdc->reqid);
+		ret = -EINVAL;
+		goto done;
+	}
+
+	/* Check info buffer */
+	info = (void *)&msg[1];
+
+	/* Copy info buffer */
+	if (buf) {
+		if (ret < (int)len)
+			len = ret;
+		memcpy(buf, info, len);
+	}
+
+	/* Check the ERROR flag */
+	if (flags & BCDC_DCMD_ERROR)
+		ret = le32_to_cpu(msg->status);
+
+done:
+	return ret;
+}
+
+static int
+brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
+			  void *buf, uint len)
+{
+	struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd;
+	struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg;
+	int ret = 0;
+	u32 flags, id;
+
+	brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len);
+
+	ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, true);
+	if (ret < 0)
+		goto done;
+
+	ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len);
+	if (ret < 0)
+		goto done;
+
+	flags = le32_to_cpu(msg->flags);
+	id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT;
+
+	if (id != bcdc->reqid) {
+		brcmf_err("%s: unexpected request id %d (expected %d)\n",
+			  brcmf_ifname(drvr, ifidx), id, bcdc->reqid);
+		ret = -EINVAL;
+		goto done;
+	}
+
+	/* Check the ERROR flag */
+	if (flags & BCDC_DCMD_ERROR)
+		ret = le32_to_cpu(msg->status);
+
+done:
+	return ret;
+}
+
+static void
+brcmf_proto_bcdc_hdrpush(struct brcmf_pub *drvr, int ifidx, u8 offset,
+			 struct sk_buff *pktbuf)
+{
+	struct brcmf_proto_bcdc_header *h;
+
+	brcmf_dbg(BCDC, "Enter\n");
+
+	/* Push BDC header used to convey priority for buses that don't */
+	skb_push(pktbuf, BCDC_HEADER_LEN);
+
+	h = (struct brcmf_proto_bcdc_header *)(pktbuf->data);
+
+	h->flags = (BCDC_PROTO_VER << BCDC_FLAG_VER_SHIFT);
+	if (pktbuf->ip_summed == CHECKSUM_PARTIAL)
+		h->flags |= BCDC_FLAG_SUM_NEEDED;
+
+	h->priority = (pktbuf->priority & BCDC_PRIORITY_MASK);
+	h->flags2 = 0;
+	h->data_offset = offset;
+	BCDC_SET_IF_IDX(h, ifidx);
+	trace_brcmf_bcdchdr(pktbuf->data);
+}
+
+static int
+brcmf_proto_bcdc_hdrpull(struct brcmf_pub *drvr, bool do_fws,
+			 struct sk_buff *pktbuf, struct brcmf_if **ifp)
+{
+	struct brcmf_proto_bcdc_header *h;
+	struct brcmf_if *tmp_if;
+
+	brcmf_dbg(BCDC, "Enter\n");
+
+	/* Pop BCDC header used to convey priority for buses that don't */
+	if (pktbuf->len <= BCDC_HEADER_LEN) {
+		brcmf_dbg(INFO, "rx data too short (%d <= %d)\n",
+			  pktbuf->len, BCDC_HEADER_LEN);
+		return -EBADE;
+	}
+
+	trace_brcmf_bcdchdr(pktbuf->data);
+	h = (struct brcmf_proto_bcdc_header *)(pktbuf->data);
+
+	tmp_if = brcmf_get_ifp(drvr, BCDC_GET_IF_IDX(h));
+	if (!tmp_if) {
+		brcmf_dbg(INFO, "no matching ifp found\n");
+		return -EBADE;
+	}
+	if (((h->flags & BCDC_FLAG_VER_MASK) >> BCDC_FLAG_VER_SHIFT) !=
+	    BCDC_PROTO_VER) {
+		brcmf_err("%s: non-BCDC packet received, flags 0x%x\n",
+			  brcmf_ifname(drvr, tmp_if->ifidx), h->flags);
+		return -EBADE;
+	}
+
+	if (h->flags & BCDC_FLAG_SUM_GOOD) {
+		brcmf_dbg(BCDC, "%s: BDC rcv, good checksum, flags 0x%x\n",
+			  brcmf_ifname(drvr, tmp_if->ifidx), h->flags);
+		pktbuf->ip_summed = CHECKSUM_UNNECESSARY;
+	}
+
+	pktbuf->priority = h->priority & BCDC_PRIORITY_MASK;
+
+	skb_pull(pktbuf, BCDC_HEADER_LEN);
+	if (do_fws)
+		brcmf_fws_hdrpull(tmp_if, h->data_offset << 2, pktbuf);
+	else
+		skb_pull(pktbuf, h->data_offset << 2);
+
+	if (pktbuf->len == 0)
+		return -ENODATA;
+
+	*ifp = tmp_if;
+	return 0;
+}
+
+static int
+brcmf_proto_bcdc_txdata(struct brcmf_pub *drvr, int ifidx, u8 offset,
+			struct sk_buff *pktbuf)
+{
+	brcmf_proto_bcdc_hdrpush(drvr, ifidx, offset, pktbuf);
+	return brcmf_bus_txdata(drvr->bus_if, pktbuf);
+}
+
+static void
+brcmf_proto_bcdc_configure_addr_mode(struct brcmf_pub *drvr, int ifidx,
+				     enum proto_addr_mode addr_mode)
+{
+}
+
+static void
+brcmf_proto_bcdc_delete_peer(struct brcmf_pub *drvr, int ifidx,
+			     u8 peer[ETH_ALEN])
+{
+}
+
+static void
+brcmf_proto_bcdc_add_tdls_peer(struct brcmf_pub *drvr, int ifidx,
+			       u8 peer[ETH_ALEN])
+{
+}
+
+int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr)
+{
+	struct brcmf_bcdc *bcdc;
+
+	bcdc = kzalloc(sizeof(*bcdc), GFP_ATOMIC);
+	if (!bcdc)
+		goto fail;
+
+	/* ensure that the msg buf directly follows the cdc msg struct */
+	if ((unsigned long)(&bcdc->msg + 1) != (unsigned long)bcdc->buf) {
+		brcmf_err("struct brcmf_proto_bcdc is not correctly defined\n");
+		goto fail;
+	}
+
+	drvr->proto->hdrpull = brcmf_proto_bcdc_hdrpull;
+	drvr->proto->query_dcmd = brcmf_proto_bcdc_query_dcmd;
+	drvr->proto->set_dcmd = brcmf_proto_bcdc_set_dcmd;
+	drvr->proto->txdata = brcmf_proto_bcdc_txdata;
+	drvr->proto->configure_addr_mode = brcmf_proto_bcdc_configure_addr_mode;
+	drvr->proto->delete_peer = brcmf_proto_bcdc_delete_peer;
+	drvr->proto->add_tdls_peer = brcmf_proto_bcdc_add_tdls_peer;
+	drvr->proto->pd = bcdc;
+
+	drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES;
+	drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN +
+			sizeof(struct brcmf_proto_bcdc_dcmd);
+	return 0;
+
+fail:
+	kfree(bcdc);
+	return -ENOMEM;
+}
+
+void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr)
+{
+	kfree(drvr->proto->pd);
+	drvr->proto->pd = NULL;
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_BCDC_H
+#define BRCMFMAC_BCDC_H
+
+#ifdef CONFIG_BRCMFMAC_PROTO_BCDC
+int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr);
+void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr);
+#else
+static inline int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) { return 0; }
+static inline void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr) {}
+#endif
+
+#endif /* BRCMFMAC_BCDC_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c

@@ -0,0 +1,497 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <net/cfg80211.h>
+
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include <defs.h>
+#include "core.h"
+#include "debug.h"
+#include "fwil.h"
+#include "fwil_types.h"
+#include "btcoex.h"
+#include "p2p.h"
+#include "cfg80211.h"
+
+/* T1 start SCO/eSCO priority suppression */
+#define BRCMF_BTCOEX_OPPR_WIN_TIME   2000
+
+/* BT registers values during DHCP */
+#define BRCMF_BT_DHCP_REG50 0x8022
+#define BRCMF_BT_DHCP_REG51 0
+#define BRCMF_BT_DHCP_REG64 0
+#define BRCMF_BT_DHCP_REG65 0
+#define BRCMF_BT_DHCP_REG71 0
+#define BRCMF_BT_DHCP_REG66 0x2710
+#define BRCMF_BT_DHCP_REG41 0x33
+#define BRCMF_BT_DHCP_REG68 0x190
+
+/* number of samples for SCO detection */
+#define BRCMF_BT_SCO_SAMPLES 12
+
+/**
+* enum brcmf_btcoex_state - BT coex DHCP state machine states
+* @BRCMF_BT_DHCP_IDLE: DCHP is idle
+* @BRCMF_BT_DHCP_START: DHCP started, wait before
+*	boosting wifi priority
+* @BRCMF_BT_DHCP_OPPR_WIN: graceful DHCP opportunity ended,
+*	boost wifi priority
+* @BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: wifi priority boost end,
+*	restore defaults
+*/
+enum brcmf_btcoex_state {
+	BRCMF_BT_DHCP_IDLE,
+	BRCMF_BT_DHCP_START,
+	BRCMF_BT_DHCP_OPPR_WIN,
+	BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT
+};
+
+/**
+ * struct brcmf_btcoex_info - BT coex related information
+ * @vif: interface for which request was done.
+ * @timer: timer for DHCP state machine
+ * @timeout: configured timeout.
+ * @timer_on:  DHCP timer active
+ * @dhcp_done: DHCP finished before T1/T2 timer expiration
+ * @bt_state: DHCP state machine state
+ * @work: DHCP state machine work
+ * @cfg: driver private data for cfg80211 interface
+ * @reg66: saved value of btc_params 66
+ * @reg41: saved value of btc_params 41
+ * @reg68: saved value of btc_params 68
+ * @saved_regs_part1: flag indicating regs 66,41,68
+ *	have been saved
+ * @reg51: saved value of btc_params 51
+ * @reg64: saved value of btc_params 64
+ * @reg65: saved value of btc_params 65
+ * @reg71: saved value of btc_params 71
+ * @saved_regs_part1: flag indicating regs 50,51,64,65,71
+ *	have been saved
+ */
+struct brcmf_btcoex_info {
+	struct brcmf_cfg80211_vif *vif;
+	struct timer_list timer;
+	u16 timeout;
+	bool timer_on;
+	bool dhcp_done;
+	enum brcmf_btcoex_state bt_state;
+	struct work_struct work;
+	struct brcmf_cfg80211_info *cfg;
+	u32 reg66;
+	u32 reg41;
+	u32 reg68;
+	bool saved_regs_part1;
+	u32 reg50;
+	u32 reg51;
+	u32 reg64;
+	u32 reg65;
+	u32 reg71;
+	bool saved_regs_part2;
+};
+
+/**
+ * brcmf_btcoex_params_write() - write btc_params firmware variable
+ * @ifp: interface
+ * @addr: btc_params register number
+ * @data: data to write
+ */
+static s32 brcmf_btcoex_params_write(struct brcmf_if *ifp, u32 addr, u32 data)
+{
+	struct {
+		__le32 addr;
+		__le32 data;
+	} reg_write;
+
+	reg_write.addr = cpu_to_le32(addr);
+	reg_write.data = cpu_to_le32(data);
+	return brcmf_fil_iovar_data_set(ifp, "btc_params",
+					&reg_write, sizeof(reg_write));
+}
+
+/**
+ * brcmf_btcoex_params_read() - read btc_params firmware variable
+ * @ifp: interface
+ * @addr: btc_params register number
+ * @data: read data
+ */
+static s32 brcmf_btcoex_params_read(struct brcmf_if *ifp, u32 addr, u32 *data)
+{
+	*data = addr;
+
+	return brcmf_fil_iovar_int_get(ifp, "btc_params", data);
+}
+
+/**
+ * brcmf_btcoex_boost_wifi() - control BT SCO/eSCO parameters
+ * @btci: BT coex info
+ * @trump_sco:
+ *	true - set SCO/eSCO parameters for compatibility
+ *		during DHCP window
+ *	false - restore saved parameter values
+ *
+ * Enhanced BT COEX settings for eSCO compatibility during DHCP window
+ */
+static void brcmf_btcoex_boost_wifi(struct brcmf_btcoex_info *btci,
+				    bool trump_sco)
+{
+	struct brcmf_if *ifp = brcmf_get_ifp(btci->cfg->pub, 0);
+
+	if (trump_sco && !btci->saved_regs_part2) {
+		/* this should reduce eSCO agressive
+		 * retransmit w/o breaking it
+		 */
+
+		/* save current */
+		brcmf_dbg(INFO, "new SCO/eSCO coex algo {save & override}\n");
+		brcmf_btcoex_params_read(ifp, 50, &btci->reg50);
+		brcmf_btcoex_params_read(ifp, 51, &btci->reg51);
+		brcmf_btcoex_params_read(ifp, 64, &btci->reg64);
+		brcmf_btcoex_params_read(ifp, 65, &btci->reg65);
+		brcmf_btcoex_params_read(ifp, 71, &btci->reg71);
+
+		btci->saved_regs_part2 = true;
+		brcmf_dbg(INFO,
+			  "saved bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+			  btci->reg50, btci->reg51, btci->reg64,
+			  btci->reg65, btci->reg71);
+
+		/* pacify the eSco   */
+		brcmf_btcoex_params_write(ifp, 50, BRCMF_BT_DHCP_REG50);
+		brcmf_btcoex_params_write(ifp, 51, BRCMF_BT_DHCP_REG51);
+		brcmf_btcoex_params_write(ifp, 64, BRCMF_BT_DHCP_REG64);
+		brcmf_btcoex_params_write(ifp, 65, BRCMF_BT_DHCP_REG65);
+		brcmf_btcoex_params_write(ifp, 71, BRCMF_BT_DHCP_REG71);
+
+	} else if (btci->saved_regs_part2) {
+		/* restore previously saved bt params */
+		brcmf_dbg(INFO, "Do new SCO/eSCO coex algo {restore}\n");
+		brcmf_btcoex_params_write(ifp, 50, btci->reg50);
+		brcmf_btcoex_params_write(ifp, 51, btci->reg51);
+		brcmf_btcoex_params_write(ifp, 64, btci->reg64);
+		brcmf_btcoex_params_write(ifp, 65, btci->reg65);
+		brcmf_btcoex_params_write(ifp, 71, btci->reg71);
+
+		brcmf_dbg(INFO,
+			  "restored bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+			  btci->reg50, btci->reg51, btci->reg64,
+			  btci->reg65, btci->reg71);
+
+		btci->saved_regs_part2 = false;
+	} else {
+		brcmf_dbg(INFO, "attempted to restore not saved BTCOEX params\n");
+	}
+}
+
+/**
+ * brcmf_btcoex_is_sco_active() - check if SCO/eSCO is active
+ * @ifp: interface
+ *
+ * return: true if SCO/eSCO session is active
+ */
+static bool brcmf_btcoex_is_sco_active(struct brcmf_if *ifp)
+{
+	int ioc_res = 0;
+	bool res = false;
+	int sco_id_cnt = 0;
+	u32 param27;
+	int i;
+
+	for (i = 0; i < BRCMF_BT_SCO_SAMPLES; i++) {
+		ioc_res = brcmf_btcoex_params_read(ifp, 27, &param27);
+
+		if (ioc_res < 0) {
+			brcmf_err("ioc read btc params error\n");
+			break;
+		}
+
+		brcmf_dbg(INFO, "sample[%d], btc_params 27:%x\n", i, param27);
+
+		if ((param27 & 0x6) == 2) { /* count both sco & esco  */
+			sco_id_cnt++;
+		}
+
+		if (sco_id_cnt > 2) {
+			brcmf_dbg(INFO,
+				  "sco/esco detected, pkt id_cnt:%d samples:%d\n",
+				  sco_id_cnt, i);
+			res = true;
+			break;
+		}
+	}
+	brcmf_dbg(TRACE, "exit: result=%d\n", res);
+	return res;
+}
+
+/**
+ * btcmf_btcoex_save_part1() - save first step parameters.
+ */
+static void btcmf_btcoex_save_part1(struct brcmf_btcoex_info *btci)
+{
+	struct brcmf_if *ifp = btci->vif->ifp;
+
+	if (!btci->saved_regs_part1) {
+		/* Retrieve and save original reg value */
+		brcmf_btcoex_params_read(ifp, 66, &btci->reg66);
+		brcmf_btcoex_params_read(ifp, 41, &btci->reg41);
+		brcmf_btcoex_params_read(ifp, 68, &btci->reg68);
+		btci->saved_regs_part1 = true;
+		brcmf_dbg(INFO,
+			  "saved btc_params regs (66,41,68) 0x%x 0x%x 0x%x\n",
+			  btci->reg66, btci->reg41,
+			  btci->reg68);
+	}
+}
+
+/**
+ * brcmf_btcoex_restore_part1() - restore first step parameters.
+ */
+static void brcmf_btcoex_restore_part1(struct brcmf_btcoex_info *btci)
+{
+	struct brcmf_if *ifp;
+
+	if (btci->saved_regs_part1) {
+		btci->saved_regs_part1 = false;
+		ifp = btci->vif->ifp;
+		brcmf_btcoex_params_write(ifp, 66, btci->reg66);
+		brcmf_btcoex_params_write(ifp, 41, btci->reg41);
+		brcmf_btcoex_params_write(ifp, 68, btci->reg68);
+		brcmf_dbg(INFO,
+			  "restored btc_params regs {66,41,68} 0x%x 0x%x 0x%x\n",
+			  btci->reg66, btci->reg41,
+			  btci->reg68);
+	}
+}
+
+/**
+ * brcmf_btcoex_timerfunc() - BT coex timer callback
+ */
+static void brcmf_btcoex_timerfunc(ulong data)
+{
+	struct brcmf_btcoex_info *bt_local = (struct brcmf_btcoex_info *)data;
+	brcmf_dbg(TRACE, "enter\n");
+
+	bt_local->timer_on = false;
+	schedule_work(&bt_local->work);
+}
+
+/**
+ * brcmf_btcoex_handler() - BT coex state machine work handler
+ * @work: work
+ */
+static void brcmf_btcoex_handler(struct work_struct *work)
+{
+	struct brcmf_btcoex_info *btci;
+	btci = container_of(work, struct brcmf_btcoex_info, work);
+	if (btci->timer_on) {
+		btci->timer_on = false;
+		del_timer_sync(&btci->timer);
+	}
+
+	switch (btci->bt_state) {
+	case BRCMF_BT_DHCP_START:
+		/* DHCP started provide OPPORTUNITY window
+		   to get DHCP address
+		*/
+		brcmf_dbg(INFO, "DHCP started\n");
+		btci->bt_state = BRCMF_BT_DHCP_OPPR_WIN;
+		if (btci->timeout < BRCMF_BTCOEX_OPPR_WIN_TIME) {
+			mod_timer(&btci->timer, btci->timer.expires);
+		} else {
+			btci->timeout -= BRCMF_BTCOEX_OPPR_WIN_TIME;
+			mod_timer(&btci->timer,
+				  jiffies +
+				  msecs_to_jiffies(BRCMF_BTCOEX_OPPR_WIN_TIME));
+		}
+		btci->timer_on = true;
+		break;
+
+	case BRCMF_BT_DHCP_OPPR_WIN:
+		if (btci->dhcp_done) {
+			brcmf_dbg(INFO, "DHCP done before T1 expiration\n");
+			goto idle;
+		}
+
+		/* DHCP is not over yet, start lowering BT priority */
+		brcmf_dbg(INFO, "DHCP T1:%d expired\n",
+			  BRCMF_BTCOEX_OPPR_WIN_TIME);
+		brcmf_btcoex_boost_wifi(btci, true);
+
+		btci->bt_state = BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT;
+		mod_timer(&btci->timer,
+			  jiffies + msecs_to_jiffies(btci->timeout));
+		btci->timer_on = true;
+		break;
+
+	case BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT:
+		if (btci->dhcp_done)
+			brcmf_dbg(INFO, "DHCP done before T2 expiration\n");
+		else
+			brcmf_dbg(INFO, "DHCP T2:%d expired\n",
+				  BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT);
+
+		goto idle;
+
+	default:
+		brcmf_err("invalid state=%d !!!\n", btci->bt_state);
+		goto idle;
+	}
+
+	return;
+
+idle:
+	btci->bt_state = BRCMF_BT_DHCP_IDLE;
+	btci->timer_on = false;
+	brcmf_btcoex_boost_wifi(btci, false);
+	cfg80211_crit_proto_stopped(&btci->vif->wdev, GFP_KERNEL);
+	brcmf_btcoex_restore_part1(btci);
+	btci->vif = NULL;
+}
+
+/**
+ * brcmf_btcoex_attach() - initialize BT coex data
+ * @cfg: driver private cfg80211 data
+ *
+ * return: 0 on success
+ */
+int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg)
+{
+	struct brcmf_btcoex_info *btci = NULL;
+	brcmf_dbg(TRACE, "enter\n");
+
+	btci = kmalloc(sizeof(struct brcmf_btcoex_info), GFP_KERNEL);
+	if (!btci)
+		return -ENOMEM;
+
+	btci->bt_state = BRCMF_BT_DHCP_IDLE;
+
+	/* Set up timer for BT  */
+	btci->timer_on = false;
+	btci->timeout = BRCMF_BTCOEX_OPPR_WIN_TIME;
+	init_timer(&btci->timer);
+	btci->timer.data = (ulong)btci;
+	btci->timer.function = brcmf_btcoex_timerfunc;
+	btci->cfg = cfg;
+	btci->saved_regs_part1 = false;
+	btci->saved_regs_part2 = false;
+
+	INIT_WORK(&btci->work, brcmf_btcoex_handler);
+
+	cfg->btcoex = btci;
+	return 0;
+}
+
+/**
+ * brcmf_btcoex_detach - clean BT coex data
+ * @cfg: driver private cfg80211 data
+ */
+void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg)
+{
+	brcmf_dbg(TRACE, "enter\n");
+
+	if (!cfg->btcoex)
+		return;
+
+	if (cfg->btcoex->timer_on) {
+		cfg->btcoex->timer_on = false;
+		del_timer_sync(&cfg->btcoex->timer);
+	}
+
+	cancel_work_sync(&cfg->btcoex->work);
+
+	brcmf_btcoex_boost_wifi(cfg->btcoex, false);
+	brcmf_btcoex_restore_part1(cfg->btcoex);
+
+	kfree(cfg->btcoex);
+	cfg->btcoex = NULL;
+}
+
+static void brcmf_btcoex_dhcp_start(struct brcmf_btcoex_info *btci)
+{
+	struct brcmf_if *ifp = btci->vif->ifp;
+
+	btcmf_btcoex_save_part1(btci);
+	/* set new regs values */
+	brcmf_btcoex_params_write(ifp, 66, BRCMF_BT_DHCP_REG66);
+	brcmf_btcoex_params_write(ifp, 41, BRCMF_BT_DHCP_REG41);
+	brcmf_btcoex_params_write(ifp, 68, BRCMF_BT_DHCP_REG68);
+	btci->dhcp_done = false;
+	btci->bt_state = BRCMF_BT_DHCP_START;
+	schedule_work(&btci->work);
+	brcmf_dbg(TRACE, "enable BT DHCP Timer\n");
+}
+
+static void brcmf_btcoex_dhcp_end(struct brcmf_btcoex_info *btci)
+{
+	/* Stop any bt timer because DHCP session is done */
+	btci->dhcp_done = true;
+	if (btci->timer_on) {
+		brcmf_dbg(INFO, "disable BT DHCP Timer\n");
+		btci->timer_on = false;
+		del_timer_sync(&btci->timer);
+
+		/* schedule worker if transition to IDLE is needed */
+		if (btci->bt_state != BRCMF_BT_DHCP_IDLE) {
+			brcmf_dbg(INFO, "bt_state:%d\n",
+				  btci->bt_state);
+			schedule_work(&btci->work);
+		}
+	} else {
+		/* Restore original values */
+		brcmf_btcoex_restore_part1(btci);
+	}
+}
+
+/**
+ * brcmf_btcoex_set_mode - set BT coex mode
+ * @cfg: driver private cfg80211 data
+ * @mode: Wifi-Bluetooth coexistence mode
+ *
+ * return: 0 on success
+ */
+int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif,
+			  enum brcmf_btcoex_mode mode, u16 duration)
+{
+	struct brcmf_cfg80211_info *cfg = wiphy_priv(vif->wdev.wiphy);
+	struct brcmf_btcoex_info *btci = cfg->btcoex;
+	struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0);
+
+	switch (mode) {
+	case BRCMF_BTCOEX_DISABLED:
+		brcmf_dbg(INFO, "DHCP session starts\n");
+		if (btci->bt_state != BRCMF_BT_DHCP_IDLE)
+			return -EBUSY;
+		/* Start BT timer only for SCO connection */
+		if (brcmf_btcoex_is_sco_active(ifp)) {
+			btci->timeout = duration;
+			btci->vif = vif;
+			brcmf_btcoex_dhcp_start(btci);
+		}
+		break;
+
+	case BRCMF_BTCOEX_ENABLED:
+		brcmf_dbg(INFO, "DHCP session ends\n");
+		if (btci->bt_state != BRCMF_BT_DHCP_IDLE &&
+		    vif == btci->vif) {
+			brcmf_btcoex_dhcp_end(btci);
+		}
+		break;
+	default:
+		brcmf_dbg(INFO, "Unknown mode, ignored\n");
+	}
+	return 0;
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef WL_BTCOEX_H_
+#define WL_BTCOEX_H_
+
+enum brcmf_btcoex_mode {
+	BRCMF_BTCOEX_DISABLED,
+	BRCMF_BTCOEX_ENABLED
+};
+
+int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg);
+void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg);
+int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif,
+			  enum brcmf_btcoex_mode mode, u16 duration);
+
+#endif /* WL_BTCOEX_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h

@@ -0,0 +1,248 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef BRCMFMAC_BUS_H
+#define BRCMFMAC_BUS_H
+
+#include "debug.h"
+
+/* IDs of the 6 default common rings of msgbuf protocol */
+#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT	0
+#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT		1
+#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE	2
+#define BRCMF_D2H_MSGRING_TX_COMPLETE		3
+#define BRCMF_D2H_MSGRING_RX_COMPLETE		4
+
+#define BRCMF_NROF_H2D_COMMON_MSGRINGS		2
+#define BRCMF_NROF_D2H_COMMON_MSGRINGS		3
+#define BRCMF_NROF_COMMON_MSGRINGS	(BRCMF_NROF_H2D_COMMON_MSGRINGS + \
+					 BRCMF_NROF_D2H_COMMON_MSGRINGS)
+
+/* The level of bus communication with the dongle */
+enum brcmf_bus_state {
+	BRCMF_BUS_DOWN,		/* Not ready for frame transfers */
+	BRCMF_BUS_UP		/* Ready for frame transfers */
+};
+
+/* The level of bus communication with the dongle */
+enum brcmf_bus_protocol_type {
+	BRCMF_PROTO_BCDC,
+	BRCMF_PROTO_MSGBUF
+};
+
+struct brcmf_bus_dcmd {
+	char *name;
+	char *param;
+	int param_len;
+	struct list_head list;
+};
+
+/**
+ * struct brcmf_bus_ops - bus callback operations.
+ *
+ * @preinit: execute bus/device specific dongle init commands (optional).
+ * @init: prepare for communication with dongle.
+ * @stop: clear pending frames, disable data flow.
+ * @txdata: send a data frame to the dongle. When the data
+ *	has been transferred, the common driver must be
+ *	notified using brcmf_txcomplete(). The common
+ *	driver calls this function with interrupts
+ *	disabled.
+ * @txctl: transmit a control request message to dongle.
+ * @rxctl: receive a control response message from dongle.
+ * @gettxq: obtain a reference of bus transmit queue (optional).
+ * @wowl_config: specify if dongle is configured for wowl when going to suspend
+ * @get_ramsize: obtain size of device memory.
+ * @get_memdump: obtain device memory dump in provided buffer.
+ *
+ * This structure provides an abstract interface towards the
+ * bus specific driver. For control messages to common driver
+ * will assure there is only one active transaction. Unless
+ * indicated otherwise these callbacks are mandatory.
+ */
+struct brcmf_bus_ops {
+	int (*preinit)(struct device *dev);
+	void (*stop)(struct device *dev);
+	int (*txdata)(struct device *dev, struct sk_buff *skb);
+	int (*txctl)(struct device *dev, unsigned char *msg, uint len);
+	int (*rxctl)(struct device *dev, unsigned char *msg, uint len);
+	struct pktq * (*gettxq)(struct device *dev);
+	void (*wowl_config)(struct device *dev, bool enabled);
+	size_t (*get_ramsize)(struct device *dev);
+	int (*get_memdump)(struct device *dev, void *data, size_t len);
+};
+
+
+/**
+ * struct brcmf_bus_msgbuf - bus ringbuf if in case of msgbuf.
+ *
+ * @commonrings: commonrings which are always there.
+ * @flowrings: commonrings which are dynamically created and destroyed for data.
+ * @rx_dataoffset: if set then all rx data has this this offset.
+ * @max_rxbufpost: maximum number of buffers to post for rx.
+ * @nrof_flowrings: number of flowrings.
+ */
+struct brcmf_bus_msgbuf {
+	struct brcmf_commonring *commonrings[BRCMF_NROF_COMMON_MSGRINGS];
+	struct brcmf_commonring **flowrings;
+	u32 rx_dataoffset;
+	u32 max_rxbufpost;
+	u32 nrof_flowrings;
+};
+
+
+/**
+ * struct brcmf_bus - interface structure between common and bus layer
+ *
+ * @bus_priv: pointer to private bus device.
+ * @proto_type: protocol type, bcdc or msgbuf
+ * @dev: device pointer of bus device.
+ * @drvr: public driver information.
+ * @state: operational state of the bus interface.
+ * @maxctl: maximum size for rxctl request message.
+ * @tx_realloc: number of tx packets realloced for headroom.
+ * @dstats: dongle-based statistical data.
+ * @dcmd_list: bus/device specific dongle initialization commands.
+ * @chip: device identifier of the dongle chip.
+ * @wowl_supported: is wowl supported by bus driver.
+ * @chiprev: revision of the dongle chip.
+ */
+struct brcmf_bus {
+	union {
+		struct brcmf_sdio_dev *sdio;
+		struct brcmf_usbdev *usb;
+		struct brcmf_pciedev *pcie;
+	} bus_priv;
+	enum brcmf_bus_protocol_type proto_type;
+	struct device *dev;
+	struct brcmf_pub *drvr;
+	enum brcmf_bus_state state;
+	uint maxctl;
+	unsigned long tx_realloc;
+	u32 chip;
+	u32 chiprev;
+	bool always_use_fws_queue;
+	bool wowl_supported;
+
+	struct brcmf_bus_ops *ops;
+	struct brcmf_bus_msgbuf *msgbuf;
+};
+
+/*
+ * callback wrappers
+ */
+static inline int brcmf_bus_preinit(struct brcmf_bus *bus)
+{
+	if (!bus->ops->preinit)
+		return 0;
+	return bus->ops->preinit(bus->dev);
+}
+
+static inline void brcmf_bus_stop(struct brcmf_bus *bus)
+{
+	bus->ops->stop(bus->dev);
+}
+
+static inline int brcmf_bus_txdata(struct brcmf_bus *bus, struct sk_buff *skb)
+{
+	return bus->ops->txdata(bus->dev, skb);
+}
+
+static inline
+int brcmf_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint len)
+{
+	return bus->ops->txctl(bus->dev, msg, len);
+}
+
+static inline
+int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len)
+{
+	return bus->ops->rxctl(bus->dev, msg, len);
+}
+
+static inline
+struct pktq *brcmf_bus_gettxq(struct brcmf_bus *bus)
+{
+	if (!bus->ops->gettxq)
+		return ERR_PTR(-ENOENT);
+
+	return bus->ops->gettxq(bus->dev);
+}
+
+static inline
+void brcmf_bus_wowl_config(struct brcmf_bus *bus, bool enabled)
+{
+	if (bus->ops->wowl_config)
+		bus->ops->wowl_config(bus->dev, enabled);
+}
+
+static inline size_t brcmf_bus_get_ramsize(struct brcmf_bus *bus)
+{
+	if (!bus->ops->get_ramsize)
+		return 0;
+
+	return bus->ops->get_ramsize(bus->dev);
+}
+
+static inline
+int brcmf_bus_get_memdump(struct brcmf_bus *bus, void *data, size_t len)
+{
+	if (!bus->ops->get_memdump)
+		return -EOPNOTSUPP;
+
+	return bus->ops->get_memdump(bus->dev, data, len);
+}
+
+/*
+ * interface functions from common layer
+ */
+
+bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, struct sk_buff *pkt,
+		      int prec);
+
+/* Receive frame for delivery to OS.  Callee disposes of rxp. */
+void brcmf_rx_frame(struct device *dev, struct sk_buff *rxp);
+
+/* Indication from bus module regarding presence/insertion of dongle. */
+int brcmf_attach(struct device *dev);
+/* Indication from bus module regarding removal/absence of dongle */
+void brcmf_detach(struct device *dev);
+/* Indication from bus module that dongle should be reset */
+void brcmf_dev_reset(struct device *dev);
+/* Indication from bus module to change flow-control state */
+void brcmf_txflowblock(struct device *dev, bool state);
+
+/* Notify the bus has transferred the tx packet to firmware */
+void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success);
+
+/* Configure the "global" bus state used by upper layers */
+void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state);
+
+int brcmf_bus_start(struct device *dev);
+s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len);
+void brcmf_bus_add_txhdrlen(struct device *dev, uint len);
+
+#ifdef CONFIG_BRCMFMAC_SDIO
+void brcmf_sdio_exit(void);
+void brcmf_sdio_init(void);
+void brcmf_sdio_register(void);
+#endif
+#ifdef CONFIG_BRCMFMAC_USB
+void brcmf_usb_exit(void);
+void brcmf_usb_register(void);
+#endif
+
+#endif /* BRCMFMAC_BUS_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h

@@ -0,0 +1,504 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef BRCMFMAC_CFG80211_H
+#define BRCMFMAC_CFG80211_H
+
+/* for brcmu_d11inf */
+#include <brcmu_d11.h>
+
+#define WL_NUM_SCAN_MAX			10
+#define WL_NUM_PMKIDS_MAX		MAXPMKID
+#define WL_TLV_INFO_MAX			1024
+#define WL_BSS_INFO_MAX			2048
+#define WL_ASSOC_INFO_MAX		512	/* assoc related fil max buf */
+#define WL_EXTRA_BUF_MAX		2048
+#define WL_ROAM_TRIGGER_LEVEL		-75
+#define WL_ROAM_DELTA			20
+#define WL_BEACON_TIMEOUT		3
+
+#define WL_SCAN_CHANNEL_TIME		40
+#define WL_SCAN_UNASSOC_TIME		40
+#define WL_SCAN_PASSIVE_TIME		120
+
+#define WL_ESCAN_BUF_SIZE		(1024 * 64)
+#define WL_ESCAN_TIMER_INTERVAL_MS	10000 /* E-Scan timeout */
+
+#define WL_ESCAN_ACTION_START		1
+#define WL_ESCAN_ACTION_CONTINUE	2
+#define WL_ESCAN_ACTION_ABORT		3
+
+#define WL_AUTH_SHARED_KEY		1	/* d11 shared authentication */
+#define IE_MAX_LEN			512
+
+/* IE TLV processing */
+#define TLV_LEN_OFF			1	/* length offset */
+#define TLV_HDR_LEN			2	/* header length */
+#define TLV_BODY_OFF			2	/* body offset */
+#define TLV_OUI_LEN			3	/* oui id length */
+
+/* 802.11 Mgmt Packet flags */
+#define BRCMF_VNDR_IE_BEACON_FLAG	0x1
+#define BRCMF_VNDR_IE_PRBRSP_FLAG	0x2
+#define BRCMF_VNDR_IE_ASSOCRSP_FLAG	0x4
+#define BRCMF_VNDR_IE_AUTHRSP_FLAG	0x8
+#define BRCMF_VNDR_IE_PRBREQ_FLAG	0x10
+#define BRCMF_VNDR_IE_ASSOCREQ_FLAG	0x20
+/* vendor IE in IW advertisement protocol ID field */
+#define BRCMF_VNDR_IE_IWAPID_FLAG	0x40
+/* allow custom IE id */
+#define BRCMF_VNDR_IE_CUSTOM_FLAG	0x100
+
+/* P2P Action Frames flags (spec ordered) */
+#define BRCMF_VNDR_IE_GONREQ_FLAG     0x001000
+#define BRCMF_VNDR_IE_GONRSP_FLAG     0x002000
+#define BRCMF_VNDR_IE_GONCFM_FLAG     0x004000
+#define BRCMF_VNDR_IE_INVREQ_FLAG     0x008000
+#define BRCMF_VNDR_IE_INVRSP_FLAG     0x010000
+#define BRCMF_VNDR_IE_DISREQ_FLAG     0x020000
+#define BRCMF_VNDR_IE_DISRSP_FLAG     0x040000
+#define BRCMF_VNDR_IE_PRDREQ_FLAG     0x080000
+#define BRCMF_VNDR_IE_PRDRSP_FLAG     0x100000
+
+#define BRCMF_VNDR_IE_P2PAF_SHIFT	12
+
+#define BRCMF_MAX_DEFAULT_KEYS		4
+
+
+/**
+ * enum brcmf_scan_status - scan engine status
+ *
+ * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
+ * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
+ * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
+ */
+enum brcmf_scan_status {
+	BRCMF_SCAN_STATUS_BUSY,
+	BRCMF_SCAN_STATUS_ABORT,
+	BRCMF_SCAN_STATUS_SUPPRESS,
+};
+
+/* dongle configuration */
+struct brcmf_cfg80211_conf {
+	u32 frag_threshold;
+	u32 rts_threshold;
+	u32 retry_short;
+	u32 retry_long;
+	s32 tx_power;
+	struct ieee80211_channel channel;
+};
+
+/* basic structure of scan request */
+struct brcmf_cfg80211_scan_req {
+	struct brcmf_ssid_le ssid_le;
+};
+
+/* basic structure of information element */
+struct brcmf_cfg80211_ie {
+	u16 offset;
+	u8 buf[WL_TLV_INFO_MAX];
+};
+
+/* security information with currently associated ap */
+struct brcmf_cfg80211_security {
+	u32 wpa_versions;
+	u32 auth_type;
+	u32 cipher_pairwise;
+	u32 cipher_group;
+	u32 wpa_auth;
+};
+
+/**
+ * struct brcmf_cfg80211_profile - profile information.
+ *
+ * @ssid: ssid of associated/associating ap.
+ * @bssid: bssid of joined/joining ibss.
+ * @sec: security information.
+ * @key: key information
+ */
+struct brcmf_cfg80211_profile {
+	struct brcmf_ssid ssid;
+	u8 bssid[ETH_ALEN];
+	struct brcmf_cfg80211_security sec;
+	struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS];
+};
+
+/**
+ * enum brcmf_vif_status - bit indices for vif status.
+ *
+ * @BRCMF_VIF_STATUS_READY: ready for operation.
+ * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
+ * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
+ * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
+ * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
+ */
+enum brcmf_vif_status {
+	BRCMF_VIF_STATUS_READY,
+	BRCMF_VIF_STATUS_CONNECTING,
+	BRCMF_VIF_STATUS_CONNECTED,
+	BRCMF_VIF_STATUS_DISCONNECTING,
+	BRCMF_VIF_STATUS_AP_CREATED
+};
+
+/**
+ * struct vif_saved_ie - holds saved IEs for a virtual interface.
+ *
+ * @probe_req_ie: IE info for probe request.
+ * @probe_res_ie: IE info for probe response.
+ * @beacon_ie: IE info for beacon frame.
+ * @probe_req_ie_len: IE info length for probe request.
+ * @probe_res_ie_len: IE info length for probe response.
+ * @beacon_ie_len: IE info length for beacon frame.
+ */
+struct vif_saved_ie {
+	u8  probe_req_ie[IE_MAX_LEN];
+	u8  probe_res_ie[IE_MAX_LEN];
+	u8  beacon_ie[IE_MAX_LEN];
+	u8  assoc_req_ie[IE_MAX_LEN];
+	u32 probe_req_ie_len;
+	u32 probe_res_ie_len;
+	u32 beacon_ie_len;
+	u32 assoc_req_ie_len;
+};
+
+/**
+ * struct brcmf_cfg80211_vif - virtual interface specific information.
+ *
+ * @ifp: lower layer interface pointer
+ * @wdev: wireless device.
+ * @profile: profile information.
+ * @roam_off: roaming state.
+ * @sme_state: SME state using enum brcmf_vif_status bits.
+ * @pm_block: power-management blocked.
+ * @list: linked list.
+ * @mgmt_rx_reg: registered rx mgmt frame types.
+ * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P).
+ */
+struct brcmf_cfg80211_vif {
+	struct brcmf_if *ifp;
+	struct wireless_dev wdev;
+	struct brcmf_cfg80211_profile profile;
+	s32 roam_off;
+	unsigned long sme_state;
+	bool pm_block;
+	struct vif_saved_ie saved_ie;
+	struct list_head list;
+	u16 mgmt_rx_reg;
+	bool mbss;
+	int is_11d;
+};
+
+/* association inform */
+struct brcmf_cfg80211_connect_info {
+	u8 *req_ie;
+	s32 req_ie_len;
+	u8 *resp_ie;
+	s32 resp_ie_len;
+};
+
+/* assoc ie length */
+struct brcmf_cfg80211_assoc_ielen_le {
+	__le32 req_len;
+	__le32 resp_len;
+};
+
+/* wpa2 pmk list */
+struct brcmf_cfg80211_pmk_list {
+	struct pmkid_list pmkids;
+	struct pmkid foo[MAXPMKID - 1];
+};
+
+/* dongle escan state */
+enum wl_escan_state {
+	WL_ESCAN_STATE_IDLE,
+	WL_ESCAN_STATE_SCANNING
+};
+
+struct escan_info {
+	u32 escan_state;
+	u8 escan_buf[WL_ESCAN_BUF_SIZE];
+	struct wiphy *wiphy;
+	struct brcmf_if *ifp;
+	s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
+		   struct cfg80211_scan_request *request, u16 action);
+};
+
+/**
+ * struct brcmf_pno_param_le - PNO scan configuration parameters
+ *
+ * @version: PNO parameters version.
+ * @scan_freq: scan frequency.
+ * @lost_network_timeout: #sec. to declare discovered network as lost.
+ * @flags: Bit field to control features of PFN such as sort criteria auto
+ *	enable switch and background scan.
+ * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
+ *	criteria.
+ * @bestn: number of best networks in each scan.
+ * @mscan: number of scans recorded.
+ * @repeat: minimum number of scan intervals before scan frequency changes
+ *	in adaptive scan.
+ * @exp: exponent of 2 for maximum scan interval.
+ * @slow_freq: slow scan period.
+ */
+struct brcmf_pno_param_le {
+	__le32 version;
+	__le32 scan_freq;
+	__le32 lost_network_timeout;
+	__le16 flags;
+	__le16 rssi_margin;
+	u8 bestn;
+	u8 mscan;
+	u8 repeat;
+	u8 exp;
+	__le32 slow_freq;
+};
+
+/**
+ * struct brcmf_pno_net_param_le - scan parameters per preferred network.
+ *
+ * @ssid: ssid name and its length.
+ * @flags: bit2: hidden.
+ * @infra: BSS vs IBSS.
+ * @auth: Open vs Closed.
+ * @wpa_auth: WPA type.
+ * @wsec: wsec value.
+ */
+struct brcmf_pno_net_param_le {
+	struct brcmf_ssid_le ssid;
+	__le32 flags;
+	__le32 infra;
+	__le32 auth;
+	__le32 wpa_auth;
+	__le32 wsec;
+};
+
+/**
+ * struct brcmf_pno_net_info_le - information per found network.
+ *
+ * @bssid: BSS network identifier.
+ * @channel: channel number only.
+ * @SSID_len: length of ssid.
+ * @SSID: ssid characters.
+ * @RSSI: receive signal strength (in dBm).
+ * @timestamp: age in seconds.
+ */
+struct brcmf_pno_net_info_le {
+	u8 bssid[ETH_ALEN];
+	u8 channel;
+	u8 SSID_len;
+	u8 SSID[32];
+	__le16	RSSI;
+	__le16	timestamp;
+};
+
+/**
+ * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
+ *
+ * @version: PNO version identifier.
+ * @status: indicates completion status of PNO scan.
+ * @count: amount of brcmf_pno_net_info_le entries appended.
+ */
+struct brcmf_pno_scanresults_le {
+	__le32 version;
+	__le32 status;
+	__le32 count;
+};
+
+/**
+ * struct brcmf_cfg80211_vif_event - virtual interface event information.
+ *
+ * @vif_wq: waitqueue awaiting interface event from firmware.
+ * @vif_event_lock: protects other members in this structure.
+ * @vif_complete: completion for net attach.
+ * @action: either add, change, or delete.
+ * @vif: virtual interface object related to the event.
+ */
+struct brcmf_cfg80211_vif_event {
+	wait_queue_head_t vif_wq;
+	struct mutex vif_event_lock;
+	u8 action;
+	struct brcmf_cfg80211_vif *vif;
+};
+
+/**
+ * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
+ *
+ * @wiphy: wiphy object for cfg80211 interface.
+ * @conf: dongle configuration.
+ * @p2p: peer-to-peer specific information.
+ * @btcoex: Bluetooth coexistence information.
+ * @scan_request: cfg80211 scan request object.
+ * @usr_sync: mainly for dongle up/down synchronization.
+ * @bss_list: bss_list holding scanned ap information.
+ * @scan_req_int: internal scan request object.
+ * @bss_info: bss information for cfg80211 layer.
+ * @ie: information element object for internal purpose.
+ * @conn_info: association info.
+ * @pmk_list: wpa2 pmk list.
+ * @scan_status: scan activity on the dongle.
+ * @pub: common driver information.
+ * @channel: current channel.
+ * @active_scan: current scan mode.
+ * @sched_escan: e-scan for scheduled scan support running.
+ * @ibss_starter: indicates this sta is ibss starter.
+ * @pwr_save: indicate whether dongle to support power save mode.
+ * @dongle_up: indicate whether dongle up or not.
+ * @roam_on: on/off switch for dongle self-roaming.
+ * @scan_tried: indicates if first scan attempted.
+ * @dcmd_buf: dcmd buffer.
+ * @extra_buf: mainly to grab assoc information.
+ * @debugfsdir: debugfs folder for this device.
+ * @escan_info: escan information.
+ * @escan_timeout: Timer for catch scan timeout.
+ * @escan_timeout_work: scan timeout worker.
+ * @escan_ioctl_buf: dongle command buffer for escan commands.
+ * @vif_list: linked list of vif instances.
+ * @vif_cnt: number of vif instances.
+ * @vif_event: vif event signalling.
+ * @wowl_enabled; set during suspend, is wowl used.
+ * @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
+ */
+struct brcmf_cfg80211_info {
+	struct wiphy *wiphy;
+	struct brcmf_cfg80211_conf *conf;
+	struct brcmf_p2p_info p2p;
+	struct brcmf_btcoex_info *btcoex;
+	struct cfg80211_scan_request *scan_request;
+	struct mutex usr_sync;
+	struct brcmf_cfg80211_scan_req scan_req_int;
+	struct wl_cfg80211_bss_info *bss_info;
+	struct brcmf_cfg80211_ie ie;
+	struct brcmf_cfg80211_connect_info conn_info;
+	struct brcmf_cfg80211_pmk_list *pmk_list;
+	unsigned long scan_status;
+	struct brcmf_pub *pub;
+	u32 channel;
+	bool active_scan;
+	bool sched_escan;
+	bool ibss_starter;
+	bool pwr_save;
+	bool dongle_up;
+	bool scan_tried;
+	u8 *dcmd_buf;
+	u8 *extra_buf;
+	struct dentry *debugfsdir;
+	struct escan_info escan_info;
+	struct timer_list escan_timeout;
+	struct work_struct escan_timeout_work;
+	u8 *escan_ioctl_buf;
+	struct list_head vif_list;
+	struct brcmf_cfg80211_vif_event vif_event;
+	struct completion vif_disabled;
+	struct brcmu_d11inf d11inf;
+	bool wowl_enabled;
+	u32 pre_wowl_pmmode;
+	struct brcmf_assoclist_le assoclist;
+};
+
+/**
+ * struct brcmf_tlv - tag_ID/length/value_buffer tuple.
+ *
+ * @id: tag identifier.
+ * @len: number of bytes in value buffer.
+ * @data: value buffer.
+ */
+struct brcmf_tlv {
+	u8 id;
+	u8 len;
+	u8 data[1];
+};
+
+static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
+{
+	return cfg->wiphy;
+}
+
+static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
+{
+	return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
+}
+
+static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
+{
+	return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
+}
+
+static inline
+struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
+{
+	struct brcmf_cfg80211_vif *vif;
+	vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
+	return vif->wdev.netdev;
+}
+
+static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
+{
+	return wdev_to_cfg(ndev->ieee80211_ptr);
+}
+
+static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
+{
+	struct brcmf_if *ifp = netdev_priv(nd);
+	return &ifp->vif->profile;
+}
+
+static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
+{
+	struct brcmf_if *ifp = netdev_priv(ndev);
+	return ifp->vif;
+}
+
+static inline struct
+brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
+{
+	return &cfg->conn_info;
+}
+
+struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
+						  struct device *busdev,
+						  bool p2pdev_forced);
+void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
+s32 brcmf_cfg80211_up(struct net_device *ndev);
+s32 brcmf_cfg80211_down(struct net_device *ndev);
+enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
+
+struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
+					   enum nl80211_iftype type,
+					   bool pm_block);
+void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
+
+s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
+			  const u8 *vndr_ie_buf, u32 vndr_ie_len);
+s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
+const struct brcmf_tlv *
+brcmf_parse_tlvs(const void *buf, int buflen, uint key);
+u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
+			struct ieee80211_channel *ch);
+bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
+			     unsigned long state);
+void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
+				  struct brcmf_cfg80211_vif *vif);
+bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
+int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
+					  u8 action, ulong timeout);
+s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
+				struct brcmf_if *ifp, bool aborted,
+				bool fw_abort);
+void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
+void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
+void brcmf_cfg80211_free_netdev(struct net_device *ndev);
+
+#endif /* BRCMFMAC_CFG80211_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMF_CHIP_H
+#define BRCMF_CHIP_H
+
+#include <linux/types.h>
+
+#define CORE_CC_REG(base, field) \
+		(base + offsetof(struct chipcregs, field))
+
+/**
+ * struct brcmf_chip - chip level information.
+ *
+ * @chip: chip identifier.
+ * @chiprev: chip revision.
+ * @cc_caps: chipcommon core capabilities.
+ * @pmucaps: PMU capabilities.
+ * @pmurev: PMU revision.
+ * @rambase: RAM base address (only applicable for ARM CR4 chips).
+ * @ramsize: amount of RAM on chip including retention.
+ * @srsize: amount of retention RAM on chip.
+ * @name: string representation of the chip identifier.
+ */
+struct brcmf_chip {
+	u32 chip;
+	u32 chiprev;
+	u32 cc_caps;
+	u32 pmucaps;
+	u32 pmurev;
+	u32 rambase;
+	u32 ramsize;
+	u32 srsize;
+	char name[8];
+};
+
+/**
+ * struct brcmf_core - core related information.
+ *
+ * @id: core identifier.
+ * @rev: core revision.
+ * @base: base address of core register space.
+ */
+struct brcmf_core {
+	u16 id;
+	u16 rev;
+	u32 base;
+};
+
+/**
+ * struct brcmf_buscore_ops - buscore specific callbacks.
+ *
+ * @read32: read 32-bit value over bus.
+ * @write32: write 32-bit value over bus.
+ * @prepare: prepare bus for core configuration.
+ * @setup: bus-specific core setup.
+ * @active: chip becomes active.
+ *	The callback should use the provided @rstvec when non-zero.
+ */
+struct brcmf_buscore_ops {
+	u32 (*read32)(void *ctx, u32 addr);
+	void (*write32)(void *ctx, u32 addr, u32 value);
+	int (*prepare)(void *ctx);
+	int (*reset)(void *ctx, struct brcmf_chip *chip);
+	int (*setup)(void *ctx, struct brcmf_chip *chip);
+	void (*activate)(void *ctx, struct brcmf_chip *chip, u32 rstvec);
+};
+
+struct brcmf_chip *brcmf_chip_attach(void *ctx,
+				     const struct brcmf_buscore_ops *ops);
+void brcmf_chip_detach(struct brcmf_chip *chip);
+struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *chip, u16 coreid);
+struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *chip);
+bool brcmf_chip_iscoreup(struct brcmf_core *core);
+void brcmf_chip_coredisable(struct brcmf_core *core, u32 prereset, u32 reset);
+void brcmf_chip_resetcore(struct brcmf_core *core, u32 prereset, u32 reset,
+			  u32 postreset);
+void brcmf_chip_set_passive(struct brcmf_chip *ci);
+bool brcmf_chip_set_active(struct brcmf_chip *ci, u32 rstvec);
+bool brcmf_chip_sr_capable(struct brcmf_chip *pub);
+
+#endif /* BRCMF_AXIDMP_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c

@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/netdevice.h>
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "core.h"
+#include "bus.h"
+#include "debug.h"
+#include "fwil.h"
+#include "fwil_types.h"
+#include "tracepoint.h"
+#include "common.h"
+
+const u8 ALLFFMAC[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+#define BRCMF_DEFAULT_BCN_TIMEOUT	3
+#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME	40
+#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME	40
+
+/* boost value for RSSI_DELTA in preferred join selection */
+#define BRCMF_JOIN_PREF_RSSI_BOOST	8
+
+int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
+{
+	s8 eventmask[BRCMF_EVENTING_MASK_LEN];
+	u8 buf[BRCMF_DCMD_SMLEN];
+	struct brcmf_join_pref_params join_pref_params[2];
+	struct brcmf_rev_info_le revinfo;
+	struct brcmf_rev_info *ri;
+	char *ptr;
+	s32 err;
+
+	/* retreive mac address */
+	err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
+				       sizeof(ifp->mac_addr));
+	if (err < 0) {
+		brcmf_err("Retreiving cur_etheraddr failed, %d\n", err);
+		goto done;
+	}
+	memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac));
+
+	err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_REVINFO,
+				     &revinfo, sizeof(revinfo));
+	ri = &ifp->drvr->revinfo;
+	if (err < 0) {
+		brcmf_err("retrieving revision info failed, %d\n", err);
+	} else {
+		ri->vendorid = le32_to_cpu(revinfo.vendorid);
+		ri->deviceid = le32_to_cpu(revinfo.deviceid);
+		ri->radiorev = le32_to_cpu(revinfo.radiorev);
+		ri->chiprev = le32_to_cpu(revinfo.chiprev);
+		ri->corerev = le32_to_cpu(revinfo.corerev);
+		ri->boardid = le32_to_cpu(revinfo.boardid);
+		ri->boardvendor = le32_to_cpu(revinfo.boardvendor);
+		ri->boardrev = le32_to_cpu(revinfo.boardrev);
+		ri->driverrev = le32_to_cpu(revinfo.driverrev);
+		ri->ucoderev = le32_to_cpu(revinfo.ucoderev);
+		ri->bus = le32_to_cpu(revinfo.bus);
+		ri->chipnum = le32_to_cpu(revinfo.chipnum);
+		ri->phytype = le32_to_cpu(revinfo.phytype);
+		ri->phyrev = le32_to_cpu(revinfo.phyrev);
+		ri->anarev = le32_to_cpu(revinfo.anarev);
+		ri->chippkg = le32_to_cpu(revinfo.chippkg);
+		ri->nvramrev = le32_to_cpu(revinfo.nvramrev);
+	}
+	ri->result = err;
+
+	/* query for 'ver' to get version info from firmware */
+	memset(buf, 0, sizeof(buf));
+	strcpy(buf, "ver");
+	err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
+	if (err < 0) {
+		brcmf_err("Retreiving version information failed, %d\n",
+			  err);
+		goto done;
+	}
+	ptr = (char *)buf;
+	strsep(&ptr, "\n");
+
+	/* Print fw version info */
+	brcmf_err("Firmware version = %s\n", buf);
+
+	/* locate firmware version number for ethtool */
+	ptr = strrchr(buf, ' ') + 1;
+	strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver));
+
+	/* set mpc */
+	err = brcmf_fil_iovar_int_set(ifp, "mpc", 1);
+	if (err) {
+		brcmf_err("failed setting mpc\n");
+		goto done;
+	}
+
+	/*
+	 * Setup timeout if Beacons are lost and roam is off to report
+	 * link down
+	 */
+	err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
+				      BRCMF_DEFAULT_BCN_TIMEOUT);
+	if (err) {
+		brcmf_err("bcn_timeout error (%d)\n", err);
+		goto done;
+	}
+
+	/* Enable/Disable build-in roaming to allowed ext supplicant to take
+	 * of romaing
+	 */
+	err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
+	if (err) {
+		brcmf_err("roam_off error (%d)\n", err);
+		goto done;
+	}
+
+	/* Setup join_pref to select target by RSSI(with boost on 5GHz) */
+	join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA;
+	join_pref_params[0].len = 2;
+	join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST;
+	join_pref_params[0].band = WLC_BAND_5G;
+	join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI;
+	join_pref_params[1].len = 2;
+	join_pref_params[1].rssi_gain = 0;
+	join_pref_params[1].band = 0;
+	err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
+				       sizeof(join_pref_params));
+	if (err)
+		brcmf_err("Set join_pref error (%d)\n", err);
+
+	/* Setup event_msgs, enable E_IF */
+	err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
+				       BRCMF_EVENTING_MASK_LEN);
+	if (err) {
+		brcmf_err("Get event_msgs error (%d)\n", err);
+		goto done;
+	}
+	setbit(eventmask, BRCMF_E_IF);
+	err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
+				       BRCMF_EVENTING_MASK_LEN);
+	if (err) {
+		brcmf_err("Set event_msgs error (%d)\n", err);
+		goto done;
+	}
+
+	/* Setup default scan channel time */
+	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
+				    BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
+	if (err) {
+		brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
+			  err);
+		goto done;
+	}
+
+	/* Setup default scan unassoc time */
+	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
+				    BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
+	if (err) {
+		brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
+			  err);
+		goto done;
+	}
+
+	/* do bus specific preinit here */
+	err = brcmf_bus_preinit(ifp->drvr->bus_if);
+done:
+	return err;
+}
+
+#if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG)
+void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	if (brcmf_msg_level & level)
+		pr_debug("%s %pV", func, &vaf);
+	trace_brcmf_dbg(level, func, &vaf);
+	va_end(args);
+}
+#endif

drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h

@@ -0,0 +1,23 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_COMMON_H
+#define BRCMFMAC_COMMON_H
+
+extern const u8 ALLFFMAC[ETH_ALEN];
+
+/* Sets dongle media info (drv_version, mac address). */
+int brcmf_c_preinit_dcmds(struct brcmf_if *ifp);
+
+#endif /* BRCMFMAC_COMMON_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c

@@ -0,0 +1,252 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+
+#include "core.h"
+#include "commonring.h"
+
+void brcmf_commonring_register_cb(struct brcmf_commonring *commonring,
+				  int (*cr_ring_bell)(void *ctx),
+				  int (*cr_update_rptr)(void *ctx),
+				  int (*cr_update_wptr)(void *ctx),
+				  int (*cr_write_rptr)(void *ctx),
+				  int (*cr_write_wptr)(void *ctx), void *ctx)
+{
+	commonring->cr_ring_bell = cr_ring_bell;
+	commonring->cr_update_rptr = cr_update_rptr;
+	commonring->cr_update_wptr = cr_update_wptr;
+	commonring->cr_write_rptr = cr_write_rptr;
+	commonring->cr_write_wptr = cr_write_wptr;
+	commonring->cr_ctx = ctx;
+}
+
+
+void brcmf_commonring_config(struct brcmf_commonring *commonring, u16 depth,
+			     u16 item_len, void *buf_addr)
+{
+	commonring->depth = depth;
+	commonring->item_len = item_len;
+	commonring->buf_addr = buf_addr;
+	if (!commonring->inited) {
+		spin_lock_init(&commonring->lock);
+		commonring->inited = true;
+	}
+	commonring->r_ptr = 0;
+	if (commonring->cr_write_rptr)
+		commonring->cr_write_rptr(commonring->cr_ctx);
+	commonring->w_ptr = 0;
+	if (commonring->cr_write_wptr)
+		commonring->cr_write_wptr(commonring->cr_ctx);
+	commonring->f_ptr = 0;
+}
+
+
+void brcmf_commonring_lock(struct brcmf_commonring *commonring)
+		__acquires(&commonring->lock)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&commonring->lock, flags);
+	commonring->flags = flags;
+}
+
+
+void brcmf_commonring_unlock(struct brcmf_commonring *commonring)
+		__releases(&commonring->lock)
+{
+	spin_unlock_irqrestore(&commonring->lock, commonring->flags);
+}
+
+
+bool brcmf_commonring_write_available(struct brcmf_commonring *commonring)
+{
+	u16 available;
+	bool retry = true;
+
+again:
+	if (commonring->r_ptr <= commonring->w_ptr)
+		available = commonring->depth - commonring->w_ptr +
+			    commonring->r_ptr;
+	else
+		available = commonring->r_ptr - commonring->w_ptr;
+
+	if (available > 1) {
+		if (!commonring->was_full)
+			return true;
+		if (available > commonring->depth / 8) {
+			commonring->was_full = false;
+			return true;
+		}
+		if (retry) {
+			if (commonring->cr_update_rptr)
+				commonring->cr_update_rptr(commonring->cr_ctx);
+			retry = false;
+			goto again;
+		}
+		return false;
+	}
+
+	if (retry) {
+		if (commonring->cr_update_rptr)
+			commonring->cr_update_rptr(commonring->cr_ctx);
+		retry = false;
+		goto again;
+	}
+
+	commonring->was_full = true;
+	return false;
+}
+
+
+void *brcmf_commonring_reserve_for_write(struct brcmf_commonring *commonring)
+{
+	void *ret_ptr;
+	u16 available;
+	bool retry = true;
+
+again:
+	if (commonring->r_ptr <= commonring->w_ptr)
+		available = commonring->depth - commonring->w_ptr +
+			    commonring->r_ptr;
+	else
+		available = commonring->r_ptr - commonring->w_ptr;
+
+	if (available > 1) {
+		ret_ptr = commonring->buf_addr +
+			  (commonring->w_ptr * commonring->item_len);
+		commonring->w_ptr++;
+		if (commonring->w_ptr == commonring->depth)
+			commonring->w_ptr = 0;
+		return ret_ptr;
+	}
+
+	if (retry) {
+		if (commonring->cr_update_rptr)
+			commonring->cr_update_rptr(commonring->cr_ctx);
+		retry = false;
+		goto again;
+	}
+
+	commonring->was_full = true;
+	return NULL;
+}
+
+
+void *
+brcmf_commonring_reserve_for_write_multiple(struct brcmf_commonring *commonring,
+					    u16 n_items, u16 *alloced)
+{
+	void *ret_ptr;
+	u16 available;
+	bool retry = true;
+
+again:
+	if (commonring->r_ptr <= commonring->w_ptr)
+		available = commonring->depth - commonring->w_ptr +
+			    commonring->r_ptr;
+	else
+		available = commonring->r_ptr - commonring->w_ptr;
+
+	if (available > 1) {
+		ret_ptr = commonring->buf_addr +
+			  (commonring->w_ptr * commonring->item_len);
+		*alloced = min_t(u16, n_items, available - 1);
+		if (*alloced + commonring->w_ptr > commonring->depth)
+			*alloced = commonring->depth - commonring->w_ptr;
+		commonring->w_ptr += *alloced;
+		if (commonring->w_ptr == commonring->depth)
+			commonring->w_ptr = 0;
+		return ret_ptr;
+	}
+
+	if (retry) {
+		if (commonring->cr_update_rptr)
+			commonring->cr_update_rptr(commonring->cr_ctx);
+		retry = false;
+		goto again;
+	}
+
+	commonring->was_full = true;
+	return NULL;
+}
+
+
+int brcmf_commonring_write_complete(struct brcmf_commonring *commonring)
+{
+	void *address;
+
+	address = commonring->buf_addr;
+	address += (commonring->f_ptr * commonring->item_len);
+	if (commonring->f_ptr > commonring->w_ptr) {
+		address = commonring->buf_addr;
+		commonring->f_ptr = 0;
+	}
+
+	commonring->f_ptr = commonring->w_ptr;
+
+	if (commonring->cr_write_wptr)
+		commonring->cr_write_wptr(commonring->cr_ctx);
+	if (commonring->cr_ring_bell)
+		return commonring->cr_ring_bell(commonring->cr_ctx);
+
+	return -EIO;
+}
+
+
+void brcmf_commonring_write_cancel(struct brcmf_commonring *commonring,
+				   u16 n_items)
+{
+	if (commonring->w_ptr == 0)
+		commonring->w_ptr = commonring->depth - n_items;
+	else
+		commonring->w_ptr -= n_items;
+}
+
+
+void *brcmf_commonring_get_read_ptr(struct brcmf_commonring *commonring,
+				    u16 *n_items)
+{
+	if (commonring->cr_update_wptr)
+		commonring->cr_update_wptr(commonring->cr_ctx);
+
+	*n_items = (commonring->w_ptr >= commonring->r_ptr) ?
+				(commonring->w_ptr - commonring->r_ptr) :
+				(commonring->depth - commonring->r_ptr);
+
+	if (*n_items == 0)
+		return NULL;
+
+	return commonring->buf_addr +
+	       (commonring->r_ptr * commonring->item_len);
+}
+
+
+int brcmf_commonring_read_complete(struct brcmf_commonring *commonring,
+				   u16 n_items)
+{
+	commonring->r_ptr += n_items;
+	if (commonring->r_ptr == commonring->depth)
+		commonring->r_ptr = 0;
+
+	if (commonring->cr_write_rptr)
+		return commonring->cr_write_rptr(commonring->cr_ctx);
+
+	return -EIO;
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.h

@@ -0,0 +1,72 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_COMMONRING_H
+#define BRCMFMAC_COMMONRING_H
+
+
+struct brcmf_commonring {
+	u16 r_ptr;
+	u16 w_ptr;
+	u16 f_ptr;
+	u16 depth;
+	u16 item_len;
+
+	void *buf_addr;
+
+	int (*cr_ring_bell)(void *ctx);
+	int (*cr_update_rptr)(void *ctx);
+	int (*cr_update_wptr)(void *ctx);
+	int (*cr_write_rptr)(void *ctx);
+	int (*cr_write_wptr)(void *ctx);
+
+	void *cr_ctx;
+
+	spinlock_t lock;
+	unsigned long flags;
+	bool inited;
+	bool was_full;
+
+	atomic_t outstanding_tx;
+};
+
+
+void brcmf_commonring_register_cb(struct brcmf_commonring *commonring,
+				  int (*cr_ring_bell)(void *ctx),
+				  int (*cr_update_rptr)(void *ctx),
+				  int (*cr_update_wptr)(void *ctx),
+				  int (*cr_write_rptr)(void *ctx),
+				  int (*cr_write_wptr)(void *ctx), void *ctx);
+void brcmf_commonring_config(struct brcmf_commonring *commonring, u16 depth,
+			     u16 item_len, void *buf_addr);
+void brcmf_commonring_lock(struct brcmf_commonring *commonring);
+void brcmf_commonring_unlock(struct brcmf_commonring *commonring);
+bool brcmf_commonring_write_available(struct brcmf_commonring *commonring);
+void *brcmf_commonring_reserve_for_write(struct brcmf_commonring *commonring);
+void *
+brcmf_commonring_reserve_for_write_multiple(struct brcmf_commonring *commonring,
+					    u16 n_items, u16 *alloced);
+int brcmf_commonring_write_complete(struct brcmf_commonring *commonring);
+void brcmf_commonring_write_cancel(struct brcmf_commonring *commonring,
+				   u16 n_items);
+void *brcmf_commonring_get_read_ptr(struct brcmf_commonring *commonring,
+				    u16 *n_items);
+int brcmf_commonring_read_complete(struct brcmf_commonring *commonring,
+				   u16 n_items);
+
+#define brcmf_commonring_n_items(commonring) (commonring->depth)
+#define brcmf_commonring_len_item(commonring) (commonring->item_len)
+
+
+#endif /* BRCMFMAC_COMMONRING_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h

@@ -0,0 +1,221 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/****************
+ * Common types *
+ */
+
+#ifndef BRCMFMAC_CORE_H
+#define BRCMFMAC_CORE_H
+
+#include <net/cfg80211.h>
+#include "fweh.h"
+
+#define TOE_TX_CSUM_OL		0x00000001
+#define TOE_RX_CSUM_OL		0x00000002
+
+/* For supporting multiple interfaces */
+#define BRCMF_MAX_IFS	16
+
+/* Small, medium and maximum buffer size for dcmd
+ */
+#define BRCMF_DCMD_SMLEN	256
+#define BRCMF_DCMD_MEDLEN	1536
+#define BRCMF_DCMD_MAXLEN	8192
+
+/* IOCTL from host to device are limited in lenght. A device can only handle
+ * ethernet frame size. This limitation is to be applied by protocol layer.
+ */
+#define BRCMF_TX_IOCTL_MAX_MSG_SIZE	(ETH_FRAME_LEN+ETH_FCS_LEN)
+
+#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS		256
+
+/* Length of firmware version string stored for
+ * ethtool driver info which uses 32 bytes as well.
+ */
+#define BRCMF_DRIVER_FIRMWARE_VERSION_LEN	32
+
+/**
+ * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info
+ *
+ * @pktslots: dynamic allocated array for ordering AMPDU packets.
+ * @flow_id: AMPDU flow identifier.
+ * @cur_idx: last AMPDU index from firmware.
+ * @exp_idx: expected next AMPDU index.
+ * @max_idx: maximum amount of packets per AMPDU.
+ * @pend_pkts: number of packets currently in @pktslots.
+ */
+struct brcmf_ampdu_rx_reorder {
+	struct sk_buff **pktslots;
+	u8 flow_id;
+	u8 cur_idx;
+	u8 exp_idx;
+	u8 max_idx;
+	u8 pend_pkts;
+};
+
+/* Forward decls for struct brcmf_pub (see below) */
+struct brcmf_proto;	/* device communication protocol info */
+struct brcmf_cfg80211_dev; /* cfg80211 device info */
+struct brcmf_fws_info; /* firmware signalling info */
+
+/*
+ * struct brcmf_rev_info
+ *
+ * The result field stores the error code of the
+ * revision info request from firmware. For the
+ * other fields see struct brcmf_rev_info_le in
+ * fwil_types.h
+ */
+struct brcmf_rev_info {
+	int result;
+	u32 vendorid;
+	u32 deviceid;
+	u32 radiorev;
+	u32 chiprev;
+	u32 corerev;
+	u32 boardid;
+	u32 boardvendor;
+	u32 boardrev;
+	u32 driverrev;
+	u32 ucoderev;
+	u32 bus;
+	u32 chipnum;
+	u32 phytype;
+	u32 phyrev;
+	u32 anarev;
+	u32 chippkg;
+	u32 nvramrev;
+};
+
+/* Common structure for module and instance linkage */
+struct brcmf_pub {
+	/* Linkage ponters */
+	struct brcmf_bus *bus_if;
+	struct brcmf_proto *proto;
+	struct brcmf_cfg80211_info *config;
+
+	/* Internal brcmf items */
+	uint hdrlen;		/* Total BRCMF header length (proto + bus) */
+	uint rxsz;		/* Rx buffer size bus module should use */
+
+	/* Dongle media info */
+	char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN];
+	u8 mac[ETH_ALEN];		/* MAC address obtained from dongle */
+
+	/* Multicast data packets sent to dongle */
+	unsigned long tx_multicast;
+
+	struct mac_address addresses[BRCMF_MAX_IFS];
+
+	struct brcmf_if *iflist[BRCMF_MAX_IFS];
+	s32 if2bss[BRCMF_MAX_IFS];
+
+	struct mutex proto_block;
+	unsigned char proto_buf[BRCMF_DCMD_MAXLEN];
+
+	struct brcmf_fweh_info fweh;
+
+	struct brcmf_fws_info *fws;
+
+	struct brcmf_ampdu_rx_reorder
+		*reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS];
+
+	u32 feat_flags;
+	u32 chip_quirks;
+
+	struct brcmf_rev_info revinfo;
+#ifdef DEBUG
+	struct dentry *dbgfs_dir;
+#endif
+};
+
+/* forward declarations */
+struct brcmf_cfg80211_vif;
+struct brcmf_fws_mac_descriptor;
+
+/**
+ * enum brcmf_netif_stop_reason - reason for stopping netif queue.
+ *
+ * @BRCMF_NETIF_STOP_REASON_FWS_FC:
+ *	netif stopped due to firmware signalling flow control.
+ * @BRCMF_NETIF_STOP_REASON_FLOW:
+ *	netif stopped due to flowring full.
+ * @BRCMF_NETIF_STOP_REASON_DISCONNECTED:
+ *	netif stopped due to not being connected (STA mode).
+ */
+enum brcmf_netif_stop_reason {
+	BRCMF_NETIF_STOP_REASON_FWS_FC = BIT(0),
+	BRCMF_NETIF_STOP_REASON_FLOW = BIT(1),
+	BRCMF_NETIF_STOP_REASON_DISCONNECTED = BIT(2)
+};
+
+/**
+ * struct brcmf_if - interface control information.
+ *
+ * @drvr: points to device related information.
+ * @vif: points to cfg80211 specific interface information.
+ * @ndev: associated network device.
+ * @stats: interface specific network statistics.
+ * @setmacaddr_work: worker object for setting mac address.
+ * @multicast_work: worker object for multicast provisioning.
+ * @fws_desc: interface specific firmware-signalling descriptor.
+ * @ifidx: interface index in device firmware.
+ * @bssidx: index of bss associated with this interface.
+ * @mac_addr: assigned mac address.
+ * @netif_stop: bitmap indicates reason why netif queues are stopped.
+ * @netif_stop_lock: spinlock for update netif_stop from multiple sources.
+ * @pend_8021x_cnt: tracks outstanding number of 802.1x frames.
+ * @pend_8021x_wait: used for signalling change in count.
+ */
+struct brcmf_if {
+	struct brcmf_pub *drvr;
+	struct brcmf_cfg80211_vif *vif;
+	struct net_device *ndev;
+	struct net_device_stats stats;
+	struct work_struct setmacaddr_work;
+	struct work_struct multicast_work;
+	struct brcmf_fws_mac_descriptor *fws_desc;
+	int ifidx;
+	s32 bssidx;
+	u8 mac_addr[ETH_ALEN];
+	u8 netif_stop;
+	spinlock_t netif_stop_lock;
+	atomic_t pend_8021x_cnt;
+	wait_queue_head_t pend_8021x_wait;
+};
+
+struct brcmf_skb_reorder_data {
+	u8 *reorder;
+};
+
+int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp);
+
+/* Return pointer to interface name */
+char *brcmf_ifname(struct brcmf_pub *drvr, int idx);
+struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
+int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
+struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx,
+			      bool is_p2pdev, char *name, u8 *mac_addr);
+void brcmf_remove_interface(struct brcmf_if *ifp);
+int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr);
+void brcmf_txflowblock_if(struct brcmf_if *ifp,
+			  enum brcmf_netif_stop_reason reason, bool state);
+void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);
+void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb);
+void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on);
+
+#endif /* BRCMFMAC_CORE_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c

@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/debugfs.h>
+#include <linux/netdevice.h>
+#include <linux/module.h>
+#include <linux/devcoredump.h>
+
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "core.h"
+#include "bus.h"
+#include "fweh.h"
+#include "debug.h"
+
+static struct dentry *root_folder;
+
+static int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
+				      size_t len)
+{
+	void *dump;
+	size_t ramsize;
+
+	ramsize = brcmf_bus_get_ramsize(bus);
+	if (ramsize) {
+		dump = vzalloc(len + ramsize);
+		if (!dump)
+			return -ENOMEM;
+		memcpy(dump, data, len);
+		brcmf_bus_get_memdump(bus, dump + len, ramsize);
+		dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL);
+	}
+	return 0;
+}
+
+static int brcmf_debug_psm_watchdog_notify(struct brcmf_if *ifp,
+					   const struct brcmf_event_msg *evtmsg,
+					   void *data)
+{
+	brcmf_dbg(TRACE, "enter: idx=%d\n", ifp->bssidx);
+
+	return brcmf_debug_create_memdump(ifp->drvr->bus_if, data,
+					  evtmsg->datalen);
+}
+
+void brcmf_debugfs_init(void)
+{
+	root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
+	if (IS_ERR(root_folder))
+		root_folder = NULL;
+}
+
+void brcmf_debugfs_exit(void)
+{
+	if (!root_folder)
+		return;
+
+	debugfs_remove_recursive(root_folder);
+	root_folder = NULL;
+}
+
+int brcmf_debug_attach(struct brcmf_pub *drvr)
+{
+	struct device *dev = drvr->bus_if->dev;
+
+	if (!root_folder)
+		return -ENODEV;
+
+	drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
+	if (IS_ERR(drvr->dbgfs_dir))
+		return PTR_ERR(drvr->dbgfs_dir);
+
+
+	return brcmf_fweh_register(drvr, BRCMF_E_PSM_WATCHDOG,
+				   brcmf_debug_psm_watchdog_notify);
+}
+
+void brcmf_debug_detach(struct brcmf_pub *drvr)
+{
+	brcmf_fweh_unregister(drvr, BRCMF_E_PSM_WATCHDOG);
+
+	if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
+		debugfs_remove_recursive(drvr->dbgfs_dir);
+}
+
+struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
+{
+	return drvr->dbgfs_dir;
+}
+
+int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+			    int (*read_fn)(struct seq_file *seq, void *data))
+{
+	struct dentry *e;
+
+	e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
+					drvr->dbgfs_dir, read_fn);
+	return PTR_ERR_OR_ZERO(e);
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h

@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef BRCMFMAC_DEBUG_H
+#define BRCMFMAC_DEBUG_H
+
+/* message levels */
+#define BRCMF_TRACE_VAL		0x00000002
+#define BRCMF_INFO_VAL		0x00000004
+#define BRCMF_DATA_VAL		0x00000008
+#define BRCMF_CTL_VAL		0x00000010
+#define BRCMF_TIMER_VAL		0x00000020
+#define BRCMF_HDRS_VAL		0x00000040
+#define BRCMF_BYTES_VAL		0x00000080
+#define BRCMF_INTR_VAL		0x00000100
+#define BRCMF_GLOM_VAL		0x00000200
+#define BRCMF_EVENT_VAL		0x00000400
+#define BRCMF_BTA_VAL		0x00000800
+#define BRCMF_FIL_VAL		0x00001000
+#define BRCMF_USB_VAL		0x00002000
+#define BRCMF_SCAN_VAL		0x00004000
+#define BRCMF_CONN_VAL		0x00008000
+#define BRCMF_BCDC_VAL		0x00010000
+#define BRCMF_SDIO_VAL		0x00020000
+#define BRCMF_MSGBUF_VAL	0x00040000
+#define BRCMF_PCIE_VAL		0x00080000
+#define BRCMF_FWCON_VAL		0x00100000
+
+/* set default print format */
+#undef pr_fmt
+#define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
+
+/* Macro for error messages. net_ratelimit() is used when driver
+ * debugging is not selected. When debugging the driver error
+ * messages are as important as other tracing or even more so.
+ */
+#ifndef CONFIG_BRCM_TRACING
+#ifdef CONFIG_BRCMDBG
+#define brcmf_err(fmt, ...)	pr_err("%s: " fmt, __func__, ##__VA_ARGS__)
+#else
+#define brcmf_err(fmt, ...)						\
+	do {								\
+		if (net_ratelimit())					\
+			pr_err("%s: " fmt, __func__, ##__VA_ARGS__);	\
+	} while (0)
+#endif
+#else
+__printf(2, 3)
+void __brcmf_err(const char *func, const char *fmt, ...);
+#define brcmf_err(fmt, ...) \
+	__brcmf_err(__func__, fmt, ##__VA_ARGS__)
+#endif
+
+#if defined(DEBUG) || defined(CONFIG_BRCM_TRACING)
+__printf(3, 4)
+void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...);
+#define brcmf_dbg(level, fmt, ...)				\
+do {								\
+	__brcmf_dbg(BRCMF_##level##_VAL, __func__,		\
+		    fmt, ##__VA_ARGS__);			\
+} while (0)
+#define BRCMF_DATA_ON()		(brcmf_msg_level & BRCMF_DATA_VAL)
+#define BRCMF_CTL_ON()		(brcmf_msg_level & BRCMF_CTL_VAL)
+#define BRCMF_HDRS_ON()		(brcmf_msg_level & BRCMF_HDRS_VAL)
+#define BRCMF_BYTES_ON()	(brcmf_msg_level & BRCMF_BYTES_VAL)
+#define BRCMF_GLOM_ON()		(brcmf_msg_level & BRCMF_GLOM_VAL)
+#define BRCMF_EVENT_ON()	(brcmf_msg_level & BRCMF_EVENT_VAL)
+#define BRCMF_FIL_ON()		(brcmf_msg_level & BRCMF_FIL_VAL)
+#define BRCMF_FWCON_ON()	(brcmf_msg_level & BRCMF_FWCON_VAL)
+
+#else /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
+
+#define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
+
+#define BRCMF_DATA_ON()		0
+#define BRCMF_CTL_ON()		0
+#define BRCMF_HDRS_ON()		0
+#define BRCMF_BYTES_ON()	0
+#define BRCMF_GLOM_ON()		0
+#define BRCMF_EVENT_ON()	0
+#define BRCMF_FIL_ON()		0
+#define BRCMF_FWCON_ON()	0
+
+#endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
+
+#define brcmf_dbg_hex_dump(test, data, len, fmt, ...)			\
+do {									\
+	trace_brcmf_hexdump((void *)data, len);				\
+	if (test)							\
+		brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__);	\
+} while (0)
+
+extern int brcmf_msg_level;
+
+struct brcmf_pub;
+#ifdef DEBUG
+void brcmf_debugfs_init(void);
+void brcmf_debugfs_exit(void);
+int brcmf_debug_attach(struct brcmf_pub *drvr);
+void brcmf_debug_detach(struct brcmf_pub *drvr);
+struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
+int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+			    int (*read_fn)(struct seq_file *seq, void *data));
+#else
+static inline void brcmf_debugfs_init(void)
+{
+}
+static inline void brcmf_debugfs_exit(void)
+{
+}
+static inline int brcmf_debug_attach(struct brcmf_pub *drvr)
+{
+	return 0;
+}
+static inline void brcmf_debug_detach(struct brcmf_pub *drvr)
+{
+}
+static inline
+int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+			    int (*read_fn)(struct seq_file *seq, void *data))
+{
+	return 0;
+}
+#endif
+
+#endif /* BRCMFMAC_DEBUG_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c

@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/netdevice.h>
+#include <linux/module.h>
+
+#include <brcm_hw_ids.h>
+#include "core.h"
+#include "bus.h"
+#include "debug.h"
+#include "fwil.h"
+#include "feature.h"
+
+
+/* Module param feature_disable (global for all devices) */
+static int brcmf_feature_disable;
+module_param_named(feature_disable, brcmf_feature_disable, int, 0);
+MODULE_PARM_DESC(feature_disable, "Disable features");
+
+/*
+ * expand feature list to array of feature strings.
+ */
+#define BRCMF_FEAT_DEF(_f) \
+	#_f,
+static const char *brcmf_feat_names[] = {
+	BRCMF_FEAT_LIST
+};
+#undef BRCMF_FEAT_DEF
+
+#ifdef DEBUG
+/*
+ * expand quirk list to array of quirk strings.
+ */
+#define BRCMF_QUIRK_DEF(_q) \
+	#_q,
+static const char * const brcmf_quirk_names[] = {
+	BRCMF_QUIRK_LIST
+};
+#undef BRCMF_QUIRK_DEF
+
+/**
+ * brcmf_feat_debugfs_read() - expose feature info to debugfs.
+ *
+ * @seq: sequence for debugfs entry.
+ * @data: raw data pointer.
+ */
+static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
+	u32 feats = bus_if->drvr->feat_flags;
+	u32 quirks = bus_if->drvr->chip_quirks;
+	int id;
+
+	seq_printf(seq, "Features: %08x\n", feats);
+	for (id = 0; id < BRCMF_FEAT_LAST; id++)
+		if (feats & BIT(id))
+			seq_printf(seq, "\t%s\n", brcmf_feat_names[id]);
+	seq_printf(seq, "\nQuirks:   %08x\n", quirks);
+	for (id = 0; id < BRCMF_FEAT_QUIRK_LAST; id++)
+		if (quirks & BIT(id))
+			seq_printf(seq, "\t%s\n", brcmf_quirk_names[id]);
+	return 0;
+}
+#else
+static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
+{
+	return 0;
+}
+#endif /* DEBUG */
+
+/**
+ * brcmf_feat_iovar_int_get() - determine feature through iovar query.
+ *
+ * @ifp: interface to query.
+ * @id: feature id.
+ * @name: iovar name.
+ */
+static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
+				     enum brcmf_feat_id id, char *name)
+{
+	u32 data;
+	int err;
+
+	err = brcmf_fil_iovar_int_get(ifp, name, &data);
+	if (err == 0) {
+		brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
+		ifp->drvr->feat_flags |= BIT(id);
+	} else {
+		brcmf_dbg(TRACE, "%s feature check failed: %d\n",
+			  brcmf_feat_names[id], err);
+	}
+}
+
+/**
+ * brcmf_feat_iovar_int_set() - determine feature through iovar set.
+ *
+ * @ifp: interface to query.
+ * @id: feature id.
+ * @name: iovar name.
+ */
+static void brcmf_feat_iovar_int_set(struct brcmf_if *ifp,
+				     enum brcmf_feat_id id, char *name, u32 val)
+{
+	int err;
+
+	err = brcmf_fil_iovar_int_set(ifp, name, val);
+	if (err == 0) {
+		brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
+		ifp->drvr->feat_flags |= BIT(id);
+	} else {
+		brcmf_dbg(TRACE, "%s feature check failed: %d\n",
+			  brcmf_feat_names[id], err);
+	}
+}
+
+void brcmf_feat_attach(struct brcmf_pub *drvr)
+{
+	struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
+
+	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan");
+	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn");
+	if (drvr->bus_if->wowl_supported)
+		brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
+	if (drvr->bus_if->chip != BRCM_CC_43362_CHIP_ID)
+		brcmf_feat_iovar_int_set(ifp, BRCMF_FEAT_MBSS, "mbss", 0);
+	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_P2P, "p2p");
+
+	if (brcmf_feature_disable) {
+		brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n",
+			  ifp->drvr->feat_flags, brcmf_feature_disable);
+		ifp->drvr->feat_flags &= ~brcmf_feature_disable;
+	}
+
+	/* set chip related quirks */
+	switch (drvr->bus_if->chip) {
+	case BRCM_CC_43236_CHIP_ID:
+		drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_AUTO_AUTH);
+		break;
+	case BRCM_CC_4329_CHIP_ID:
+		drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_NEED_MPC);
+		break;
+	default:
+		/* no quirks */
+		break;
+	}
+
+	brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read);
+}
+
+bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id)
+{
+	return (ifp->drvr->feat_flags & BIT(id));
+}
+
+bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
+				 enum brcmf_feat_quirk quirk)
+{
+	return (ifp->drvr->chip_quirks & BIT(quirk));
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef _BRCMF_FEATURE_H
+#define _BRCMF_FEATURE_H
+
+/*
+ * Features:
+ *
+ * MBSS: multiple BSSID support (eg. guest network in AP mode).
+ * MCHAN: multi-channel for concurrent P2P.
+ * PNO: preferred network offload.
+ * WOWL: Wake-On-WLAN.
+ * P2P: peer-to-peer
+ */
+#define BRCMF_FEAT_LIST \
+	BRCMF_FEAT_DEF(MBSS) \
+	BRCMF_FEAT_DEF(MCHAN) \
+	BRCMF_FEAT_DEF(PNO) \
+	BRCMF_FEAT_DEF(WOWL) \
+	BRCMF_FEAT_DEF(P2P)
+/*
+ * Quirks:
+ *
+ * AUTO_AUTH: workaround needed for automatic authentication type.
+ * NEED_MPC: driver needs to disable MPC during scanning operation.
+ */
+#define BRCMF_QUIRK_LIST \
+	BRCMF_QUIRK_DEF(AUTO_AUTH) \
+	BRCMF_QUIRK_DEF(NEED_MPC)
+
+#define BRCMF_FEAT_DEF(_f) \
+	BRCMF_FEAT_ ## _f,
+/*
+ * expand feature list to enumeration.
+ */
+enum brcmf_feat_id {
+	BRCMF_FEAT_LIST
+	BRCMF_FEAT_LAST
+};
+#undef BRCMF_FEAT_DEF
+
+#define BRCMF_QUIRK_DEF(_q) \
+	BRCMF_FEAT_QUIRK_ ## _q,
+/*
+ * expand quirk list to enumeration.
+ */
+enum brcmf_feat_quirk {
+	BRCMF_QUIRK_LIST
+	BRCMF_FEAT_QUIRK_LAST
+};
+#undef BRCMF_QUIRK_DEF
+
+/**
+ * brcmf_feat_attach() - determine features and quirks.
+ *
+ * @drvr: driver instance.
+ */
+void brcmf_feat_attach(struct brcmf_pub *drvr);
+
+/**
+ * brcmf_feat_is_enabled() - query feature.
+ *
+ * @ifp: interface instance.
+ * @id: feature id to check.
+ *
+ * Return: true is feature is enabled; otherwise false.
+ */
+bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id);
+
+/**
+ * brcmf_feat_is_quirk_enabled() - query chip quirk.
+ *
+ * @ifp: interface instance.
+ * @quirk: quirk id to check.
+ *
+ * Return: true is quirk is enabled; otherwise false.
+ */
+bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
+				 enum brcmf_feat_quirk quirk);
+
+#endif /* _BRCMF_FEATURE_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c

@@ -0,0 +1,542 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <linux/module.h>
+#include <linux/bcm47xx_nvram.h>
+
+#include "debug.h"
+#include "firmware.h"
+
+#define BRCMF_FW_MAX_NVRAM_SIZE			64000
+#define BRCMF_FW_NVRAM_DEVPATH_LEN		19	/* devpath0=pcie/1/4/ */
+#define BRCMF_FW_NVRAM_PCIEDEV_LEN		10	/* pcie/1/4/ + \0 */
+
+char brcmf_firmware_path[BRCMF_FW_PATH_LEN];
+module_param_string(alternative_fw_path, brcmf_firmware_path,
+		    BRCMF_FW_PATH_LEN, 0440);
+
+enum nvram_parser_state {
+	IDLE,
+	KEY,
+	VALUE,
+	COMMENT,
+	END
+};
+
+/**
+ * struct nvram_parser - internal info for parser.
+ *
+ * @state: current parser state.
+ * @data: input buffer being parsed.
+ * @nvram: output buffer with parse result.
+ * @nvram_len: lenght of parse result.
+ * @line: current line.
+ * @column: current column in line.
+ * @pos: byte offset in input buffer.
+ * @entry: start position of key,value entry.
+ * @multi_dev_v1: detect pcie multi device v1 (compressed).
+ * @multi_dev_v2: detect pcie multi device v2.
+ */
+struct nvram_parser {
+	enum nvram_parser_state state;
+	const u8 *data;
+	u8 *nvram;
+	u32 nvram_len;
+	u32 line;
+	u32 column;
+	u32 pos;
+	u32 entry;
+	bool multi_dev_v1;
+	bool multi_dev_v2;
+};
+
+/**
+ * is_nvram_char() - check if char is a valid one for NVRAM entry
+ *
+ * It accepts all printable ASCII chars except for '#' which opens a comment.
+ * Please note that ' ' (space) while accepted is not a valid key name char.
+ */
+static bool is_nvram_char(char c)
+{
+	/* comment marker excluded */
+	if (c == '#')
+		return false;
+
+	/* key and value may have any other readable character */
+	return (c >= 0x20 && c < 0x7f);
+}
+
+static bool is_whitespace(char c)
+{
+	return (c == ' ' || c == '\r' || c == '\n' || c == '\t');
+}
+
+static enum nvram_parser_state brcmf_nvram_handle_idle(struct nvram_parser *nvp)
+{
+	char c;
+
+	c = nvp->data[nvp->pos];
+	if (c == '\n')
+		return COMMENT;
+	if (is_whitespace(c))
+		goto proceed;
+	if (c == '#')
+		return COMMENT;
+	if (is_nvram_char(c)) {
+		nvp->entry = nvp->pos;
+		return KEY;
+	}
+	brcmf_dbg(INFO, "warning: ln=%d:col=%d: ignoring invalid character\n",
+		  nvp->line, nvp->column);
+proceed:
+	nvp->column++;
+	nvp->pos++;
+	return IDLE;
+}
+
+static enum nvram_parser_state brcmf_nvram_handle_key(struct nvram_parser *nvp)
+{
+	enum nvram_parser_state st = nvp->state;
+	char c;
+
+	c = nvp->data[nvp->pos];
+	if (c == '=') {
+		/* ignore RAW1 by treating as comment */
+		if (strncmp(&nvp->data[nvp->entry], "RAW1", 4) == 0)
+			st = COMMENT;
+		else
+			st = VALUE;
+		if (strncmp(&nvp->data[nvp->entry], "devpath", 7) == 0)
+			nvp->multi_dev_v1 = true;
+		if (strncmp(&nvp->data[nvp->entry], "pcie/", 5) == 0)
+			nvp->multi_dev_v2 = true;
+	} else if (!is_nvram_char(c) || c == ' ') {
+		brcmf_dbg(INFO, "warning: ln=%d:col=%d: '=' expected, skip invalid key entry\n",
+			  nvp->line, nvp->column);
+		return COMMENT;
+	}
+
+	nvp->column++;
+	nvp->pos++;
+	return st;
+}
+
+static enum nvram_parser_state
+brcmf_nvram_handle_value(struct nvram_parser *nvp)
+{
+	char c;
+	char *skv;
+	char *ekv;
+	u32 cplen;
+
+	c = nvp->data[nvp->pos];
+	if (!is_nvram_char(c)) {
+		/* key,value pair complete */
+		ekv = (u8 *)&nvp->data[nvp->pos];
+		skv = (u8 *)&nvp->data[nvp->entry];
+		cplen = ekv - skv;
+		if (nvp->nvram_len + cplen + 1 >= BRCMF_FW_MAX_NVRAM_SIZE)
+			return END;
+		/* copy to output buffer */
+		memcpy(&nvp->nvram[nvp->nvram_len], skv, cplen);
+		nvp->nvram_len += cplen;
+		nvp->nvram[nvp->nvram_len] = '\0';
+		nvp->nvram_len++;
+		return IDLE;
+	}
+	nvp->pos++;
+	nvp->column++;
+	return VALUE;
+}
+
+static enum nvram_parser_state
+brcmf_nvram_handle_comment(struct nvram_parser *nvp)
+{
+	char *eoc, *sol;
+
+	sol = (char *)&nvp->data[nvp->pos];
+	eoc = strchr(sol, '\n');
+	if (!eoc) {
+		eoc = strchr(sol, '\0');
+		if (!eoc)
+			return END;
+	}
+
+	/* eat all moving to next line */
+	nvp->line++;
+	nvp->column = 1;
+	nvp->pos += (eoc - sol) + 1;
+	return IDLE;
+}
+
+static enum nvram_parser_state brcmf_nvram_handle_end(struct nvram_parser *nvp)
+{
+	/* final state */
+	return END;
+}
+
+static enum nvram_parser_state
+(*nv_parser_states[])(struct nvram_parser *nvp) = {
+	brcmf_nvram_handle_idle,
+	brcmf_nvram_handle_key,
+	brcmf_nvram_handle_value,
+	brcmf_nvram_handle_comment,
+	brcmf_nvram_handle_end
+};
+
+static int brcmf_init_nvram_parser(struct nvram_parser *nvp,
+				   const u8 *data, size_t data_len)
+{
+	size_t size;
+
+	memset(nvp, 0, sizeof(*nvp));
+	nvp->data = data;
+	/* Limit size to MAX_NVRAM_SIZE, some files contain lot of comment */
+	if (data_len > BRCMF_FW_MAX_NVRAM_SIZE)
+		size = BRCMF_FW_MAX_NVRAM_SIZE;
+	else
+		size = data_len;
+	/* Alloc for extra 0 byte + roundup by 4 + length field */
+	size += 1 + 3 + sizeof(u32);
+	nvp->nvram = kzalloc(size, GFP_KERNEL);
+	if (!nvp->nvram)
+		return -ENOMEM;
+
+	nvp->line = 1;
+	nvp->column = 1;
+	return 0;
+}
+
+/* brcmf_fw_strip_multi_v1 :Some nvram files contain settings for multiple
+ * devices. Strip it down for one device, use domain_nr/bus_nr to determine
+ * which data is to be returned. v1 is the version where nvram is stored
+ * compressed and "devpath" maps to index for valid entries.
+ */
+static void brcmf_fw_strip_multi_v1(struct nvram_parser *nvp, u16 domain_nr,
+				    u16 bus_nr)
+{
+	/* Device path with a leading '=' key-value separator */
+	char pci_path[] = "=pci/?/?";
+	size_t pci_len;
+	char pcie_path[] = "=pcie/?/?";
+	size_t pcie_len;
+
+	u32 i, j;
+	bool found;
+	u8 *nvram;
+	u8 id;
+
+	nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL);
+	if (!nvram)
+		goto fail;
+
+	/* min length: devpath0=pcie/1/4/ + 0:x=y */
+	if (nvp->nvram_len < BRCMF_FW_NVRAM_DEVPATH_LEN + 6)
+		goto fail;
+
+	/* First search for the devpathX and see if it is the configuration
+	 * for domain_nr/bus_nr. Search complete nvp
+	 */
+	snprintf(pci_path, sizeof(pci_path), "=pci/%d/%d", domain_nr,
+		 bus_nr);
+	pci_len = strlen(pci_path);
+	snprintf(pcie_path, sizeof(pcie_path), "=pcie/%d/%d", domain_nr,
+		 bus_nr);
+	pcie_len = strlen(pcie_path);
+	found = false;
+	i = 0;
+	while (i < nvp->nvram_len - BRCMF_FW_NVRAM_DEVPATH_LEN) {
+		/* Format: devpathX=pcie/Y/Z/
+		 * Y = domain_nr, Z = bus_nr, X = virtual ID
+		 */
+		if (strncmp(&nvp->nvram[i], "devpath", 7) == 0 &&
+		    (!strncmp(&nvp->nvram[i + 8], pci_path, pci_len) ||
+		     !strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len))) {
+			id = nvp->nvram[i + 7] - '0';
+			found = true;
+			break;
+		}
+		while (nvp->nvram[i] != 0)
+			i++;
+		i++;
+	}
+	if (!found)
+		goto fail;
+
+	/* Now copy all valid entries, release old nvram and assign new one */
+	i = 0;
+	j = 0;
+	while (i < nvp->nvram_len) {
+		if ((nvp->nvram[i] - '0' == id) && (nvp->nvram[i + 1] == ':')) {
+			i += 2;
+			while (nvp->nvram[i] != 0) {
+				nvram[j] = nvp->nvram[i];
+				i++;
+				j++;
+			}
+			nvram[j] = 0;
+			j++;
+		}
+		while (nvp->nvram[i] != 0)
+			i++;
+		i++;
+	}
+	kfree(nvp->nvram);
+	nvp->nvram = nvram;
+	nvp->nvram_len = j;
+	return;
+
+fail:
+	kfree(nvram);
+	nvp->nvram_len = 0;
+}
+
+/* brcmf_fw_strip_multi_v2 :Some nvram files contain settings for multiple
+ * devices. Strip it down for one device, use domain_nr/bus_nr to determine
+ * which data is to be returned. v2 is the version where nvram is stored
+ * uncompressed, all relevant valid entries are identified by
+ * pcie/domain_nr/bus_nr:
+ */
+static void brcmf_fw_strip_multi_v2(struct nvram_parser *nvp, u16 domain_nr,
+				    u16 bus_nr)
+{
+	char prefix[BRCMF_FW_NVRAM_PCIEDEV_LEN];
+	size_t len;
+	u32 i, j;
+	u8 *nvram;
+
+	nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL);
+	if (!nvram)
+		goto fail;
+
+	/* Copy all valid entries, release old nvram and assign new one.
+	 * Valid entries are of type pcie/X/Y/ where X = domain_nr and
+	 * Y = bus_nr.
+	 */
+	snprintf(prefix, sizeof(prefix), "pcie/%d/%d/", domain_nr, bus_nr);
+	len = strlen(prefix);
+	i = 0;
+	j = 0;
+	while (i < nvp->nvram_len - len) {
+		if (strncmp(&nvp->nvram[i], prefix, len) == 0) {
+			i += len;
+			while (nvp->nvram[i] != 0) {
+				nvram[j] = nvp->nvram[i];
+				i++;
+				j++;
+			}
+			nvram[j] = 0;
+			j++;
+		}
+		while (nvp->nvram[i] != 0)
+			i++;
+		i++;
+	}
+	kfree(nvp->nvram);
+	nvp->nvram = nvram;
+	nvp->nvram_len = j;
+	return;
+fail:
+	kfree(nvram);
+	nvp->nvram_len = 0;
+}
+
+/* brcmf_nvram_strip :Takes a buffer of "<var>=<value>\n" lines read from a fil
+ * and ending in a NUL. Removes carriage returns, empty lines, comment lines,
+ * and converts newlines to NULs. Shortens buffer as needed and pads with NULs.
+ * End of buffer is completed with token identifying length of buffer.
+ */
+static void *brcmf_fw_nvram_strip(const u8 *data, size_t data_len,
+				  u32 *new_length, u16 domain_nr, u16 bus_nr)
+{
+	struct nvram_parser nvp;
+	u32 pad;
+	u32 token;
+	__le32 token_le;
+
+	if (brcmf_init_nvram_parser(&nvp, data, data_len) < 0)
+		return NULL;
+
+	while (nvp.pos < data_len) {
+		nvp.state = nv_parser_states[nvp.state](&nvp);
+		if (nvp.state == END)
+			break;
+	}
+	if (nvp.multi_dev_v1)
+		brcmf_fw_strip_multi_v1(&nvp, domain_nr, bus_nr);
+	else if (nvp.multi_dev_v2)
+		brcmf_fw_strip_multi_v2(&nvp, domain_nr, bus_nr);
+
+	if (nvp.nvram_len == 0) {
+		kfree(nvp.nvram);
+		return NULL;
+	}
+
+	pad = nvp.nvram_len;
+	*new_length = roundup(nvp.nvram_len + 1, 4);
+	while (pad != *new_length) {
+		nvp.nvram[pad] = 0;
+		pad++;
+	}
+
+	token = *new_length / 4;
+	token = (~token << 16) | (token & 0x0000FFFF);
+	token_le = cpu_to_le32(token);
+
+	memcpy(&nvp.nvram[*new_length], &token_le, sizeof(token_le));
+	*new_length += sizeof(token_le);
+
+	return nvp.nvram;
+}
+
+void brcmf_fw_nvram_free(void *nvram)
+{
+	kfree(nvram);
+}
+
+struct brcmf_fw {
+	struct device *dev;
+	u16 flags;
+	const struct firmware *code;
+	const char *nvram_name;
+	u16 domain_nr;
+	u16 bus_nr;
+	void (*done)(struct device *dev, const struct firmware *fw,
+		     void *nvram_image, u32 nvram_len);
+};
+
+static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx)
+{
+	struct brcmf_fw *fwctx = ctx;
+	u32 nvram_length = 0;
+	void *nvram = NULL;
+	u8 *data = NULL;
+	size_t data_len;
+	bool raw_nvram;
+
+	brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev));
+	if (fw && fw->data) {
+		data = (u8 *)fw->data;
+		data_len = fw->size;
+		raw_nvram = false;
+	} else {
+		data = bcm47xx_nvram_get_contents(&data_len);
+		if (!data && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
+			goto fail;
+		raw_nvram = true;
+	}
+
+	if (data)
+		nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length,
+					     fwctx->domain_nr, fwctx->bus_nr);
+
+	if (raw_nvram)
+		bcm47xx_nvram_release_contents(data);
+	if (fw)
+		release_firmware(fw);
+	if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL))
+		goto fail;
+
+	fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length);
+	kfree(fwctx);
+	return;
+
+fail:
+	brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
+	release_firmware(fwctx->code);
+	device_release_driver(fwctx->dev);
+	kfree(fwctx);
+}
+
+static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx)
+{
+	struct brcmf_fw *fwctx = ctx;
+	int ret;
+
+	brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev));
+	if (!fw)
+		goto fail;
+
+	/* only requested code so done here */
+	if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) {
+		fwctx->done(fwctx->dev, fw, NULL, 0);
+		kfree(fwctx);
+		return;
+	}
+	fwctx->code = fw;
+	ret = request_firmware_nowait(THIS_MODULE, true, fwctx->nvram_name,
+				      fwctx->dev, GFP_KERNEL, fwctx,
+				      brcmf_fw_request_nvram_done);
+
+	if (!ret)
+		return;
+
+	brcmf_fw_request_nvram_done(NULL, fwctx);
+	return;
+
+fail:
+	brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev));
+	device_release_driver(fwctx->dev);
+	kfree(fwctx);
+}
+
+int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags,
+				const char *code, const char *nvram,
+				void (*fw_cb)(struct device *dev,
+					      const struct firmware *fw,
+					      void *nvram_image, u32 nvram_len),
+				u16 domain_nr, u16 bus_nr)
+{
+	struct brcmf_fw *fwctx;
+
+	brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev));
+	if (!fw_cb || !code)
+		return -EINVAL;
+
+	if ((flags & BRCMF_FW_REQUEST_NVRAM) && !nvram)
+		return -EINVAL;
+
+	fwctx = kzalloc(sizeof(*fwctx), GFP_KERNEL);
+	if (!fwctx)
+		return -ENOMEM;
+
+	fwctx->dev = dev;
+	fwctx->flags = flags;
+	fwctx->done = fw_cb;
+	if (flags & BRCMF_FW_REQUEST_NVRAM)
+		fwctx->nvram_name = nvram;
+	fwctx->domain_nr = domain_nr;
+	fwctx->bus_nr = bus_nr;
+
+	return request_firmware_nowait(THIS_MODULE, true, code, dev,
+				       GFP_KERNEL, fwctx,
+				       brcmf_fw_request_code_done);
+}
+
+int brcmf_fw_get_firmwares(struct device *dev, u16 flags,
+			   const char *code, const char *nvram,
+			   void (*fw_cb)(struct device *dev,
+					 const struct firmware *fw,
+					 void *nvram_image, u32 nvram_len))
+{
+	return brcmf_fw_get_firmwares_pcie(dev, flags, code, nvram, fw_cb, 0,
+					   0);
+}
+

drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_FIRMWARE_H
+#define BRCMFMAC_FIRMWARE_H
+
+#define BRCMF_FW_REQUEST		0x000F
+#define  BRCMF_FW_REQUEST_NVRAM		0x0001
+#define BRCMF_FW_REQ_FLAGS		0x00F0
+#define  BRCMF_FW_REQ_NV_OPTIONAL	0x0010
+
+#define	BRCMF_FW_PATH_LEN	256
+#define	BRCMF_FW_NAME_LEN	32
+
+extern char brcmf_firmware_path[];
+
+void brcmf_fw_nvram_free(void *nvram);
+/*
+ * Request firmware(s) asynchronously. When the asynchronous request
+ * fails it will not use the callback, but call device_release_driver()
+ * instead which will call the driver .remove() callback.
+ */
+int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags,
+				const char *code, const char *nvram,
+				void (*fw_cb)(struct device *dev,
+					      const struct firmware *fw,
+					      void *nvram_image, u32 nvram_len),
+				u16 domain_nr, u16 bus_nr);
+int brcmf_fw_get_firmwares(struct device *dev, u16 flags,
+			   const char *code, const char *nvram,
+			   void (*fw_cb)(struct device *dev,
+					 const struct firmware *fw,
+					 void *nvram_image, u32 nvram_len));
+
+#endif /* BRCMFMAC_FIRMWARE_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c

@@ -0,0 +1,504 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <brcmu_utils.h>
+
+#include "core.h"
+#include "debug.h"
+#include "bus.h"
+#include "proto.h"
+#include "flowring.h"
+#include "msgbuf.h"
+#include "common.h"
+
+
+#define BRCMF_FLOWRING_HIGH		1024
+#define BRCMF_FLOWRING_LOW		(BRCMF_FLOWRING_HIGH - 256)
+#define BRCMF_FLOWRING_INVALID_IFIDX	0xff
+
+#define BRCMF_FLOWRING_HASH_AP(da, fifo, ifidx) (da[5] + fifo + ifidx * 16)
+#define BRCMF_FLOWRING_HASH_STA(fifo, ifidx) (fifo + ifidx * 16)
+
+static const u8 brcmf_flowring_prio2fifo[] = {
+	1,
+	0,
+	0,
+	1,
+	2,
+	2,
+	3,
+	3
+};
+
+
+static bool
+brcmf_flowring_is_tdls_mac(struct brcmf_flowring *flow, u8 mac[ETH_ALEN])
+{
+	struct brcmf_flowring_tdls_entry *search;
+
+	search = flow->tdls_entry;
+
+	while (search) {
+		if (memcmp(search->mac, mac, ETH_ALEN) == 0)
+			return true;
+		search = search->next;
+	}
+
+	return false;
+}
+
+
+u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
+			  u8 prio, u8 ifidx)
+{
+	struct brcmf_flowring_hash *hash;
+	u8 hash_idx;
+	u32 i;
+	bool found;
+	bool sta;
+	u8 fifo;
+	u8 *mac;
+
+	fifo = brcmf_flowring_prio2fifo[prio];
+	sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT);
+	mac = da;
+	if ((!sta) && (is_multicast_ether_addr(da))) {
+		mac = (u8 *)ALLFFMAC;
+		fifo = 0;
+	}
+	if ((sta) && (flow->tdls_active) &&
+	    (brcmf_flowring_is_tdls_mac(flow, da))) {
+		sta = false;
+	}
+	hash_idx =  sta ? BRCMF_FLOWRING_HASH_STA(fifo, ifidx) :
+			  BRCMF_FLOWRING_HASH_AP(mac, fifo, ifidx);
+	found = false;
+	hash = flow->hash;
+	for (i = 0; i < BRCMF_FLOWRING_HASHSIZE; i++) {
+		if ((sta || (memcmp(hash[hash_idx].mac, mac, ETH_ALEN) == 0)) &&
+		    (hash[hash_idx].fifo == fifo) &&
+		    (hash[hash_idx].ifidx == ifidx)) {
+			found = true;
+			break;
+		}
+		hash_idx++;
+	}
+	if (found)
+		return hash[hash_idx].flowid;
+
+	return BRCMF_FLOWRING_INVALID_ID;
+}
+
+
+u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
+			  u8 prio, u8 ifidx)
+{
+	struct brcmf_flowring_ring *ring;
+	struct brcmf_flowring_hash *hash;
+	u8 hash_idx;
+	u32 i;
+	bool found;
+	u8 fifo;
+	bool sta;
+	u8 *mac;
+
+	fifo = brcmf_flowring_prio2fifo[prio];
+	sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT);
+	mac = da;
+	if ((!sta) && (is_multicast_ether_addr(da))) {
+		mac = (u8 *)ALLFFMAC;
+		fifo = 0;
+	}
+	if ((sta) && (flow->tdls_active) &&
+	    (brcmf_flowring_is_tdls_mac(flow, da))) {
+		sta = false;
+	}
+	hash_idx =  sta ? BRCMF_FLOWRING_HASH_STA(fifo, ifidx) :
+			  BRCMF_FLOWRING_HASH_AP(mac, fifo, ifidx);
+	found = false;
+	hash = flow->hash;
+	for (i = 0; i < BRCMF_FLOWRING_HASHSIZE; i++) {
+		if ((hash[hash_idx].ifidx == BRCMF_FLOWRING_INVALID_IFIDX) &&
+		    (is_zero_ether_addr(hash[hash_idx].mac))) {
+			found = true;
+			break;
+		}
+		hash_idx++;
+	}
+	if (found) {
+		for (i = 0; i < flow->nrofrings; i++) {
+			if (flow->rings[i] == NULL)
+				break;
+		}
+		if (i == flow->nrofrings)
+			return -ENOMEM;
+
+		ring = kzalloc(sizeof(*ring), GFP_ATOMIC);
+		if (!ring)
+			return -ENOMEM;
+
+		memcpy(hash[hash_idx].mac, mac, ETH_ALEN);
+		hash[hash_idx].fifo = fifo;
+		hash[hash_idx].ifidx = ifidx;
+		hash[hash_idx].flowid = i;
+
+		ring->hash_id = hash_idx;
+		ring->status = RING_CLOSED;
+		skb_queue_head_init(&ring->skblist);
+		flow->rings[i] = ring;
+
+		return i;
+	}
+	return BRCMF_FLOWRING_INVALID_ID;
+}
+
+
+u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u8 flowid)
+{
+	struct brcmf_flowring_ring *ring;
+
+	ring = flow->rings[flowid];
+
+	return flow->hash[ring->hash_id].fifo;
+}
+
+
+static void brcmf_flowring_block(struct brcmf_flowring *flow, u8 flowid,
+				 bool blocked)
+{
+	struct brcmf_flowring_ring *ring;
+	struct brcmf_bus *bus_if;
+	struct brcmf_pub *drvr;
+	struct brcmf_if *ifp;
+	bool currently_blocked;
+	int i;
+	u8 ifidx;
+	unsigned long flags;
+
+	spin_lock_irqsave(&flow->block_lock, flags);
+
+	ring = flow->rings[flowid];
+	if (ring->blocked == blocked) {
+		spin_unlock_irqrestore(&flow->block_lock, flags);
+		return;
+	}
+	ifidx = brcmf_flowring_ifidx_get(flow, flowid);
+
+	currently_blocked = false;
+	for (i = 0; i < flow->nrofrings; i++) {
+		if ((flow->rings[i]) && (i != flowid)) {
+			ring = flow->rings[i];
+			if ((ring->status == RING_OPEN) &&
+			    (brcmf_flowring_ifidx_get(flow, i) == ifidx)) {
+				if (ring->blocked) {
+					currently_blocked = true;
+					break;
+				}
+			}
+		}
+	}
+	flow->rings[flowid]->blocked = blocked;
+	if (currently_blocked) {
+		spin_unlock_irqrestore(&flow->block_lock, flags);
+		return;
+	}
+
+	bus_if = dev_get_drvdata(flow->dev);
+	drvr = bus_if->drvr;
+	ifp = brcmf_get_ifp(drvr, ifidx);
+	brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FLOW, blocked);
+
+	spin_unlock_irqrestore(&flow->block_lock, flags);
+}
+
+
+void brcmf_flowring_delete(struct brcmf_flowring *flow, u8 flowid)
+{
+	struct brcmf_flowring_ring *ring;
+	u8 hash_idx;
+	struct sk_buff *skb;
+
+	ring = flow->rings[flowid];
+	if (!ring)
+		return;
+	brcmf_flowring_block(flow, flowid, false);
+	hash_idx = ring->hash_id;
+	flow->hash[hash_idx].ifidx = BRCMF_FLOWRING_INVALID_IFIDX;
+	eth_zero_addr(flow->hash[hash_idx].mac);
+	flow->rings[flowid] = NULL;
+
+	skb = skb_dequeue(&ring->skblist);
+	while (skb) {
+		brcmu_pkt_buf_free_skb(skb);
+		skb = skb_dequeue(&ring->skblist);
+	}
+
+	kfree(ring);
+}
+
+
+u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u8 flowid,
+			   struct sk_buff *skb)
+{
+	struct brcmf_flowring_ring *ring;
+
+	ring = flow->rings[flowid];
+
+	skb_queue_tail(&ring->skblist, skb);
+
+	if (!ring->blocked &&
+	    (skb_queue_len(&ring->skblist) > BRCMF_FLOWRING_HIGH)) {
+		brcmf_flowring_block(flow, flowid, true);
+		brcmf_dbg(MSGBUF, "Flowcontrol: BLOCK for ring %d\n", flowid);
+		/* To prevent (work around) possible race condition, check
+		 * queue len again. It is also possible to use locking to
+		 * protect, but that is undesirable for every enqueue and
+		 * dequeue. This simple check will solve a possible race
+		 * condition if it occurs.
+		 */
+		if (skb_queue_len(&ring->skblist) < BRCMF_FLOWRING_LOW)
+			brcmf_flowring_block(flow, flowid, false);
+	}
+	return skb_queue_len(&ring->skblist);
+}
+
+
+struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u8 flowid)
+{
+	struct brcmf_flowring_ring *ring;
+	struct sk_buff *skb;
+
+	ring = flow->rings[flowid];
+	if (ring->status != RING_OPEN)
+		return NULL;
+
+	skb = skb_dequeue(&ring->skblist);
+
+	if (ring->blocked &&
+	    (skb_queue_len(&ring->skblist) < BRCMF_FLOWRING_LOW)) {
+		brcmf_flowring_block(flow, flowid, false);
+		brcmf_dbg(MSGBUF, "Flowcontrol: OPEN for ring %d\n", flowid);
+	}
+
+	return skb;
+}
+
+
+void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u8 flowid,
+			     struct sk_buff *skb)
+{
+	struct brcmf_flowring_ring *ring;
+
+	ring = flow->rings[flowid];
+
+	skb_queue_head(&ring->skblist, skb);
+}
+
+
+u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u8 flowid)
+{
+	struct brcmf_flowring_ring *ring;
+
+	ring = flow->rings[flowid];
+	if (!ring)
+		return 0;
+
+	if (ring->status != RING_OPEN)
+		return 0;
+
+	return skb_queue_len(&ring->skblist);
+}
+
+
+void brcmf_flowring_open(struct brcmf_flowring *flow, u8 flowid)
+{
+	struct brcmf_flowring_ring *ring;
+
+	ring = flow->rings[flowid];
+	if (!ring) {
+		brcmf_err("Ring NULL, for flowid %d\n", flowid);
+		return;
+	}
+
+	ring->status = RING_OPEN;
+}
+
+
+u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u8 flowid)
+{
+	struct brcmf_flowring_ring *ring;
+	u8 hash_idx;
+
+	ring = flow->rings[flowid];
+	hash_idx = ring->hash_id;
+
+	return flow->hash[hash_idx].ifidx;
+}
+
+
+struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings)
+{
+	struct brcmf_flowring *flow;
+	u32 i;
+
+	flow = kzalloc(sizeof(*flow), GFP_KERNEL);
+	if (flow) {
+		flow->dev = dev;
+		flow->nrofrings = nrofrings;
+		spin_lock_init(&flow->block_lock);
+		for (i = 0; i < ARRAY_SIZE(flow->addr_mode); i++)
+			flow->addr_mode[i] = ADDR_INDIRECT;
+		for (i = 0; i < ARRAY_SIZE(flow->hash); i++)
+			flow->hash[i].ifidx = BRCMF_FLOWRING_INVALID_IFIDX;
+		flow->rings = kcalloc(nrofrings, sizeof(*flow->rings),
+				      GFP_KERNEL);
+		if (!flow->rings) {
+			kfree(flow);
+			flow = NULL;
+		}
+	}
+
+	return flow;
+}
+
+
+void brcmf_flowring_detach(struct brcmf_flowring *flow)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(flow->dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+	struct brcmf_flowring_tdls_entry *search;
+	struct brcmf_flowring_tdls_entry *remove;
+	u8 flowid;
+
+	for (flowid = 0; flowid < flow->nrofrings; flowid++) {
+		if (flow->rings[flowid])
+			brcmf_msgbuf_delete_flowring(drvr, flowid);
+	}
+
+	search = flow->tdls_entry;
+	while (search) {
+		remove = search;
+		search = search->next;
+		kfree(remove);
+	}
+	kfree(flow->rings);
+	kfree(flow);
+}
+
+
+void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
+					enum proto_addr_mode addr_mode)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(flow->dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+	u32 i;
+	u8 flowid;
+
+	if (flow->addr_mode[ifidx] != addr_mode) {
+		for (i = 0; i < ARRAY_SIZE(flow->hash); i++) {
+			if (flow->hash[i].ifidx == ifidx) {
+				flowid = flow->hash[i].flowid;
+				if (flow->rings[flowid]->status != RING_OPEN)
+					continue;
+				flow->rings[flowid]->status = RING_CLOSING;
+				brcmf_msgbuf_delete_flowring(drvr, flowid);
+			}
+		}
+		flow->addr_mode[ifidx] = addr_mode;
+	}
+}
+
+
+void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
+				u8 peer[ETH_ALEN])
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(flow->dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+	struct brcmf_flowring_hash *hash;
+	struct brcmf_flowring_tdls_entry *prev;
+	struct brcmf_flowring_tdls_entry *search;
+	u32 i;
+	u8 flowid;
+	bool sta;
+
+	sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT);
+
+	search = flow->tdls_entry;
+	prev = NULL;
+	while (search) {
+		if (memcmp(search->mac, peer, ETH_ALEN) == 0) {
+			sta = false;
+			break;
+		}
+		prev = search;
+		search = search->next;
+	}
+
+	hash = flow->hash;
+	for (i = 0; i < BRCMF_FLOWRING_HASHSIZE; i++) {
+		if ((sta || (memcmp(hash[i].mac, peer, ETH_ALEN) == 0)) &&
+		    (hash[i].ifidx == ifidx)) {
+			flowid = flow->hash[i].flowid;
+			if (flow->rings[flowid]->status == RING_OPEN) {
+				flow->rings[flowid]->status = RING_CLOSING;
+				brcmf_msgbuf_delete_flowring(drvr, flowid);
+			}
+		}
+	}
+
+	if (search) {
+		if (prev)
+			prev->next = search->next;
+		else
+			flow->tdls_entry = search->next;
+		kfree(search);
+		if (flow->tdls_entry == NULL)
+			flow->tdls_active = false;
+	}
+}
+
+
+void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
+				  u8 peer[ETH_ALEN])
+{
+	struct brcmf_flowring_tdls_entry *tdls_entry;
+	struct brcmf_flowring_tdls_entry *search;
+
+	tdls_entry = kzalloc(sizeof(*tdls_entry), GFP_ATOMIC);
+	if (tdls_entry == NULL)
+		return;
+
+	memcpy(tdls_entry->mac, peer, ETH_ALEN);
+	tdls_entry->next = NULL;
+	if (flow->tdls_entry == NULL) {
+		flow->tdls_entry = tdls_entry;
+	} else {
+		search = flow->tdls_entry;
+		if (memcmp(search->mac, peer, ETH_ALEN) == 0)
+			return;
+		while (search->next) {
+			search = search->next;
+			if (memcmp(search->mac, peer, ETH_ALEN) == 0)
+				return;
+		}
+		search->next = tdls_entry;
+	}
+
+	flow->tdls_active = true;
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.h

@@ -0,0 +1,84 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_FLOWRING_H
+#define BRCMFMAC_FLOWRING_H
+
+
+#define BRCMF_FLOWRING_HASHSIZE		256
+#define BRCMF_FLOWRING_INVALID_ID	0xFFFFFFFF
+
+
+struct brcmf_flowring_hash {
+	u8 mac[ETH_ALEN];
+	u8 fifo;
+	u8 ifidx;
+	u8 flowid;
+};
+
+enum ring_status {
+	RING_CLOSED,
+	RING_CLOSING,
+	RING_OPEN
+};
+
+struct brcmf_flowring_ring {
+	u16 hash_id;
+	bool blocked;
+	enum ring_status status;
+	struct sk_buff_head skblist;
+};
+
+struct brcmf_flowring_tdls_entry {
+	u8 mac[ETH_ALEN];
+	struct brcmf_flowring_tdls_entry *next;
+};
+
+struct brcmf_flowring {
+	struct device *dev;
+	struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE];
+	struct brcmf_flowring_ring **rings;
+	spinlock_t block_lock;
+	enum proto_addr_mode addr_mode[BRCMF_MAX_IFS];
+	u16 nrofrings;
+	bool tdls_active;
+	struct brcmf_flowring_tdls_entry *tdls_entry;
+};
+
+
+u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
+			  u8 prio, u8 ifidx);
+u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
+			  u8 prio, u8 ifidx);
+void brcmf_flowring_delete(struct brcmf_flowring *flow, u8 flowid);
+void brcmf_flowring_open(struct brcmf_flowring *flow, u8 flowid);
+u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u8 flowid);
+u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u8 flowid,
+			   struct sk_buff *skb);
+struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u8 flowid);
+void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u8 flowid,
+			     struct sk_buff *skb);
+u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u8 flowid);
+u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u8 flowid);
+struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings);
+void brcmf_flowring_detach(struct brcmf_flowring *flow);
+void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
+					enum proto_addr_mode addr_mode);
+void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
+				u8 peer[ETH_ALEN]);
+void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
+				  u8 peer[ETH_ALEN]);
+
+
+#endif /* BRCMFMAC_FLOWRING_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c

@@ -0,0 +1,478 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/netdevice.h>
+
+#include "brcmu_wifi.h"
+#include "brcmu_utils.h"
+
+#include "core.h"
+#include "debug.h"
+#include "tracepoint.h"
+#include "fwsignal.h"
+#include "fweh.h"
+#include "fwil.h"
+
+/**
+ * struct brcm_ethhdr - broadcom specific ether header.
+ *
+ * @subtype: subtype for this packet.
+ * @length: TODO: length of appended data.
+ * @version: version indication.
+ * @oui: OUI of this packet.
+ * @usr_subtype: subtype for this OUI.
+ */
+struct brcm_ethhdr {
+	__be16 subtype;
+	__be16 length;
+	u8 version;
+	u8 oui[3];
+	__be16 usr_subtype;
+} __packed;
+
+struct brcmf_event_msg_be {
+	__be16 version;
+	__be16 flags;
+	__be32 event_type;
+	__be32 status;
+	__be32 reason;
+	__be32 auth_type;
+	__be32 datalen;
+	u8 addr[ETH_ALEN];
+	char ifname[IFNAMSIZ];
+	u8 ifidx;
+	u8 bsscfgidx;
+} __packed;
+
+/**
+ * struct brcmf_event - contents of broadcom event packet.
+ *
+ * @eth: standard ether header.
+ * @hdr: broadcom specific ether header.
+ * @msg: common part of the actual event message.
+ */
+struct brcmf_event {
+	struct ethhdr eth;
+	struct brcm_ethhdr hdr;
+	struct brcmf_event_msg_be msg;
+} __packed;
+
+/**
+ * struct brcmf_fweh_queue_item - event item on event queue.
+ *
+ * @q: list element for queuing.
+ * @code: event code.
+ * @ifidx: interface index related to this event.
+ * @ifaddr: ethernet address for interface.
+ * @emsg: common parameters of the firmware event message.
+ * @data: event specific data part of the firmware event.
+ */
+struct brcmf_fweh_queue_item {
+	struct list_head q;
+	enum brcmf_fweh_event_code code;
+	u8 ifidx;
+	u8 ifaddr[ETH_ALEN];
+	struct brcmf_event_msg_be emsg;
+	u8 data[0];
+};
+
+/**
+ * struct brcmf_fweh_event_name - code, name mapping entry.
+ */
+struct brcmf_fweh_event_name {
+	enum brcmf_fweh_event_code code;
+	const char *name;
+};
+
+#ifdef DEBUG
+#define BRCMF_ENUM_DEF(id, val) \
+	{ val, #id },
+
+/* array for mapping code to event name */
+static struct brcmf_fweh_event_name fweh_event_names[] = {
+	BRCMF_FWEH_EVENT_ENUM_DEFLIST
+};
+#undef BRCMF_ENUM_DEF
+
+/**
+ * brcmf_fweh_event_name() - returns name for given event code.
+ *
+ * @code: code to lookup.
+ */
+static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code)
+{
+	int i;
+	for (i = 0; i < ARRAY_SIZE(fweh_event_names); i++) {
+		if (fweh_event_names[i].code == code)
+			return fweh_event_names[i].name;
+	}
+	return "unknown";
+}
+#else
+static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code)
+{
+	return "nodebug";
+}
+#endif
+
+/**
+ * brcmf_fweh_queue_event() - create and queue event.
+ *
+ * @fweh: firmware event handling info.
+ * @event: event queue entry.
+ */
+static void brcmf_fweh_queue_event(struct brcmf_fweh_info *fweh,
+				   struct brcmf_fweh_queue_item *event)
+{
+	ulong flags;
+
+	spin_lock_irqsave(&fweh->evt_q_lock, flags);
+	list_add_tail(&event->q, &fweh->event_q);
+	spin_unlock_irqrestore(&fweh->evt_q_lock, flags);
+	schedule_work(&fweh->event_work);
+}
+
+static int brcmf_fweh_call_event_handler(struct brcmf_if *ifp,
+					 enum brcmf_fweh_event_code code,
+					 struct brcmf_event_msg *emsg,
+					 void *data)
+{
+	struct brcmf_fweh_info *fweh;
+	int err = -EINVAL;
+
+	if (ifp) {
+		fweh = &ifp->drvr->fweh;
+
+		/* handle the event if valid interface and handler */
+		if (fweh->evt_handler[code])
+			err = fweh->evt_handler[code](ifp, emsg, data);
+		else
+			brcmf_err("unhandled event %d ignored\n", code);
+	} else {
+		brcmf_err("no interface object\n");
+	}
+	return err;
+}
+
+/**
+ * brcmf_fweh_handle_if_event() - handle IF event.
+ *
+ * @drvr: driver information object.
+ * @item: queue entry.
+ * @ifpp: interface object (may change upon ADD action).
+ */
+static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
+				       struct brcmf_event_msg *emsg,
+				       void *data)
+{
+	struct brcmf_if_event *ifevent = data;
+	struct brcmf_if *ifp;
+	bool is_p2pdev;
+	int err = 0;
+
+	brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n",
+		  ifevent->action, ifevent->ifidx, ifevent->bssidx,
+		  ifevent->flags, ifevent->role);
+
+	/* The P2P Device interface event must not be ignored contrary to what
+	 * firmware tells us. Older firmware uses p2p noif, with sta role.
+	 * This should be accepted when p2pdev_setup is ongoing. TDLS setup will
+	 * use the same ifevent and should be ignored.
+	 */
+	is_p2pdev = ((ifevent->flags & BRCMF_E_IF_FLAG_NOIF) &&
+		     (ifevent->role == BRCMF_E_IF_ROLE_P2P_CLIENT ||
+		      ((ifevent->role == BRCMF_E_IF_ROLE_STA) &&
+		       (drvr->fweh.p2pdev_setup_ongoing))));
+	if (!is_p2pdev && (ifevent->flags & BRCMF_E_IF_FLAG_NOIF)) {
+		brcmf_dbg(EVENT, "event can be ignored\n");
+		return;
+	}
+	if (ifevent->ifidx >= BRCMF_MAX_IFS) {
+		brcmf_err("invalid interface index: %u\n", ifevent->ifidx);
+		return;
+	}
+
+	ifp = drvr->iflist[ifevent->bssidx];
+
+	if (ifevent->action == BRCMF_E_IF_ADD) {
+		brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname,
+			  emsg->addr);
+		ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx,
+				   is_p2pdev, emsg->ifname, emsg->addr);
+		if (IS_ERR(ifp))
+			return;
+		if (!is_p2pdev)
+			brcmf_fws_add_interface(ifp);
+		if (!drvr->fweh.evt_handler[BRCMF_E_IF])
+			if (brcmf_net_attach(ifp, false) < 0)
+				return;
+	}
+
+	if (ifp && ifevent->action == BRCMF_E_IF_CHANGE)
+		brcmf_fws_reset_interface(ifp);
+
+	err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data);
+
+	if (ifp && ifevent->action == BRCMF_E_IF_DEL)
+		brcmf_remove_interface(ifp);
+}
+
+/**
+ * brcmf_fweh_dequeue_event() - get event from the queue.
+ *
+ * @fweh: firmware event handling info.
+ */
+static struct brcmf_fweh_queue_item *
+brcmf_fweh_dequeue_event(struct brcmf_fweh_info *fweh)
+{
+	struct brcmf_fweh_queue_item *event = NULL;
+	ulong flags;
+
+	spin_lock_irqsave(&fweh->evt_q_lock, flags);
+	if (!list_empty(&fweh->event_q)) {
+		event = list_first_entry(&fweh->event_q,
+					 struct brcmf_fweh_queue_item, q);
+		list_del(&event->q);
+	}
+	spin_unlock_irqrestore(&fweh->evt_q_lock, flags);
+
+	return event;
+}
+
+/**
+ * brcmf_fweh_event_worker() - firmware event worker.
+ *
+ * @work: worker object.
+ */
+static void brcmf_fweh_event_worker(struct work_struct *work)
+{
+	struct brcmf_pub *drvr;
+	struct brcmf_if *ifp;
+	struct brcmf_fweh_info *fweh;
+	struct brcmf_fweh_queue_item *event;
+	int err = 0;
+	struct brcmf_event_msg_be *emsg_be;
+	struct brcmf_event_msg emsg;
+
+	fweh = container_of(work, struct brcmf_fweh_info, event_work);
+	drvr = container_of(fweh, struct brcmf_pub, fweh);
+
+	while ((event = brcmf_fweh_dequeue_event(fweh))) {
+		brcmf_dbg(EVENT, "event %s (%u) ifidx %u bsscfg %u addr %pM\n",
+			  brcmf_fweh_event_name(event->code), event->code,
+			  event->emsg.ifidx, event->emsg.bsscfgidx,
+			  event->emsg.addr);
+
+		/* convert event message */
+		emsg_be = &event->emsg;
+		emsg.version = be16_to_cpu(emsg_be->version);
+		emsg.flags = be16_to_cpu(emsg_be->flags);
+		emsg.event_code = event->code;
+		emsg.status = be32_to_cpu(emsg_be->status);
+		emsg.reason = be32_to_cpu(emsg_be->reason);
+		emsg.auth_type = be32_to_cpu(emsg_be->auth_type);
+		emsg.datalen = be32_to_cpu(emsg_be->datalen);
+		memcpy(emsg.addr, emsg_be->addr, ETH_ALEN);
+		memcpy(emsg.ifname, emsg_be->ifname, sizeof(emsg.ifname));
+		emsg.ifidx = emsg_be->ifidx;
+		emsg.bsscfgidx = emsg_be->bsscfgidx;
+
+		brcmf_dbg(EVENT, "  version %u flags %u status %u reason %u\n",
+			  emsg.version, emsg.flags, emsg.status, emsg.reason);
+		brcmf_dbg_hex_dump(BRCMF_EVENT_ON(), event->data,
+				   min_t(u32, emsg.datalen, 64),
+				   "event payload, len=%d\n", emsg.datalen);
+
+		/* special handling of interface event */
+		if (event->code == BRCMF_E_IF) {
+			brcmf_fweh_handle_if_event(drvr, &emsg, event->data);
+			goto event_free;
+		}
+
+		if (event->code == BRCMF_E_TDLS_PEER_EVENT)
+			ifp = drvr->iflist[0];
+		else
+			ifp = drvr->iflist[emsg.bsscfgidx];
+		err = brcmf_fweh_call_event_handler(ifp, event->code, &emsg,
+						    event->data);
+		if (err) {
+			brcmf_err("event handler failed (%d)\n",
+				  event->code);
+			err = 0;
+		}
+event_free:
+		kfree(event);
+	}
+}
+
+/**
+ * brcmf_fweh_p2pdev_setup() - P2P device setup ongoing (or not).
+ *
+ * @ifp: ifp on which setup is taking place or finished.
+ * @ongoing: p2p device setup in progress (or not).
+ */
+void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing)
+{
+	ifp->drvr->fweh.p2pdev_setup_ongoing = ongoing;
+}
+
+/**
+ * brcmf_fweh_attach() - initialize firmware event handling.
+ *
+ * @drvr: driver information object.
+ */
+void brcmf_fweh_attach(struct brcmf_pub *drvr)
+{
+	struct brcmf_fweh_info *fweh = &drvr->fweh;
+	INIT_WORK(&fweh->event_work, brcmf_fweh_event_worker);
+	spin_lock_init(&fweh->evt_q_lock);
+	INIT_LIST_HEAD(&fweh->event_q);
+}
+
+/**
+ * brcmf_fweh_detach() - cleanup firmware event handling.
+ *
+ * @drvr: driver information object.
+ */
+void brcmf_fweh_detach(struct brcmf_pub *drvr)
+{
+	struct brcmf_fweh_info *fweh = &drvr->fweh;
+	struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
+	s8 eventmask[BRCMF_EVENTING_MASK_LEN];
+
+	if (ifp) {
+		/* clear all events */
+		memset(eventmask, 0, BRCMF_EVENTING_MASK_LEN);
+		(void)brcmf_fil_iovar_data_set(ifp, "event_msgs",
+					       eventmask,
+					       BRCMF_EVENTING_MASK_LEN);
+	}
+	/* cancel the worker */
+	cancel_work_sync(&fweh->event_work);
+	WARN_ON(!list_empty(&fweh->event_q));
+	memset(fweh->evt_handler, 0, sizeof(fweh->evt_handler));
+}
+
+/**
+ * brcmf_fweh_register() - register handler for given event code.
+ *
+ * @drvr: driver information object.
+ * @code: event code.
+ * @handler: handler for the given event code.
+ */
+int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
+			brcmf_fweh_handler_t handler)
+{
+	if (drvr->fweh.evt_handler[code]) {
+		brcmf_err("event code %d already registered\n", code);
+		return -ENOSPC;
+	}
+	drvr->fweh.evt_handler[code] = handler;
+	brcmf_dbg(TRACE, "event handler registered for %s\n",
+		  brcmf_fweh_event_name(code));
+	return 0;
+}
+
+/**
+ * brcmf_fweh_unregister() - remove handler for given code.
+ *
+ * @drvr: driver information object.
+ * @code: event code.
+ */
+void brcmf_fweh_unregister(struct brcmf_pub *drvr,
+			   enum brcmf_fweh_event_code code)
+{
+	brcmf_dbg(TRACE, "event handler cleared for %s\n",
+		  brcmf_fweh_event_name(code));
+	drvr->fweh.evt_handler[code] = NULL;
+}
+
+/**
+ * brcmf_fweh_activate_events() - enables firmware events registered.
+ *
+ * @ifp: primary interface object.
+ */
+int brcmf_fweh_activate_events(struct brcmf_if *ifp)
+{
+	int i, err;
+	s8 eventmask[BRCMF_EVENTING_MASK_LEN];
+
+	for (i = 0; i < BRCMF_E_LAST; i++) {
+		if (ifp->drvr->fweh.evt_handler[i]) {
+			brcmf_dbg(EVENT, "enable event %s\n",
+				  brcmf_fweh_event_name(i));
+			setbit(eventmask, i);
+		}
+	}
+
+	/* want to handle IF event as well */
+	brcmf_dbg(EVENT, "enable event IF\n");
+	setbit(eventmask, BRCMF_E_IF);
+
+	err = brcmf_fil_iovar_data_set(ifp, "event_msgs",
+				       eventmask, BRCMF_EVENTING_MASK_LEN);
+	if (err)
+		brcmf_err("Set event_msgs error (%d)\n", err);
+
+	return err;
+}
+
+/**
+ * brcmf_fweh_process_event() - process skb as firmware event.
+ *
+ * @drvr: driver information object.
+ * @event_packet: event packet to process.
+ *
+ * If the packet buffer contains a firmware event message it will
+ * dispatch the event to a registered handler (using worker).
+ */
+void brcmf_fweh_process_event(struct brcmf_pub *drvr,
+			      struct brcmf_event *event_packet)
+{
+	enum brcmf_fweh_event_code code;
+	struct brcmf_fweh_info *fweh = &drvr->fweh;
+	struct brcmf_fweh_queue_item *event;
+	gfp_t alloc_flag = GFP_KERNEL;
+	void *data;
+	u32 datalen;
+
+	/* get event info */
+	code = get_unaligned_be32(&event_packet->msg.event_type);
+	datalen = get_unaligned_be32(&event_packet->msg.datalen);
+	data = &event_packet[1];
+
+	if (code >= BRCMF_E_LAST)
+		return;
+
+	if (code != BRCMF_E_IF && !fweh->evt_handler[code])
+		return;
+
+	if (in_interrupt())
+		alloc_flag = GFP_ATOMIC;
+
+	event = kzalloc(sizeof(*event) + datalen, alloc_flag);
+	if (!event)
+		return;
+
+	event->code = code;
+	event->ifidx = event_packet->msg.ifidx;
+
+	/* use memcpy to get aligned event message */
+	memcpy(&event->emsg, &event_packet->msg, sizeof(event->emsg));
+	memcpy(event->data, data, datalen);
+	memcpy(event->ifaddr, event_packet->eth.h_dest, ETH_ALEN);
+
+	brcmf_fweh_queue_event(fweh, event);
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h

@@ -0,0 +1,289 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#ifndef FWEH_H_
+#define FWEH_H_
+
+#include <asm/unaligned.h>
+#include <linux/skbuff.h>
+#include <linux/if_ether.h>
+#include <linux/if.h>
+
+/* formward declarations */
+struct brcmf_pub;
+struct brcmf_if;
+struct brcmf_cfg80211_info;
+struct brcmf_event;
+
+/* list of firmware events */
+#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \
+	BRCMF_ENUM_DEF(SET_SSID, 0) \
+	BRCMF_ENUM_DEF(JOIN, 1) \
+	BRCMF_ENUM_DEF(START, 2) \
+	BRCMF_ENUM_DEF(AUTH, 3) \
+	BRCMF_ENUM_DEF(AUTH_IND, 4) \
+	BRCMF_ENUM_DEF(DEAUTH, 5) \
+	BRCMF_ENUM_DEF(DEAUTH_IND, 6) \
+	BRCMF_ENUM_DEF(ASSOC, 7) \
+	BRCMF_ENUM_DEF(ASSOC_IND, 8) \
+	BRCMF_ENUM_DEF(REASSOC, 9) \
+	BRCMF_ENUM_DEF(REASSOC_IND, 10) \
+	BRCMF_ENUM_DEF(DISASSOC, 11) \
+	BRCMF_ENUM_DEF(DISASSOC_IND, 12) \
+	BRCMF_ENUM_DEF(QUIET_START, 13) \
+	BRCMF_ENUM_DEF(QUIET_END, 14) \
+	BRCMF_ENUM_DEF(BEACON_RX, 15) \
+	BRCMF_ENUM_DEF(LINK, 16) \
+	BRCMF_ENUM_DEF(MIC_ERROR, 17) \
+	BRCMF_ENUM_DEF(NDIS_LINK, 18) \
+	BRCMF_ENUM_DEF(ROAM, 19) \
+	BRCMF_ENUM_DEF(TXFAIL, 20) \
+	BRCMF_ENUM_DEF(PMKID_CACHE, 21) \
+	BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \
+	BRCMF_ENUM_DEF(PRUNE, 23) \
+	BRCMF_ENUM_DEF(AUTOAUTH, 24) \
+	BRCMF_ENUM_DEF(EAPOL_MSG, 25) \
+	BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \
+	BRCMF_ENUM_DEF(ADDTS_IND, 27) \
+	BRCMF_ENUM_DEF(DELTS_IND, 28) \
+	BRCMF_ENUM_DEF(BCNSENT_IND, 29) \
+	BRCMF_ENUM_DEF(BCNRX_MSG, 30) \
+	BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \
+	BRCMF_ENUM_DEF(ROAM_PREP, 32) \
+	BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \
+	BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \
+	BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \
+	BRCMF_ENUM_DEF(JOIN_START, 36) \
+	BRCMF_ENUM_DEF(ROAM_START, 37) \
+	BRCMF_ENUM_DEF(ASSOC_START, 38) \
+	BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \
+	BRCMF_ENUM_DEF(RADIO, 40) \
+	BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \
+	BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \
+	BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \
+	BRCMF_ENUM_DEF(PSK_SUP, 46) \
+	BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \
+	BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \
+	BRCMF_ENUM_DEF(ICV_ERROR, 49) \
+	BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \
+	BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \
+	BRCMF_ENUM_DEF(TRACE, 52) \
+	BRCMF_ENUM_DEF(IF, 54) \
+	BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
+	BRCMF_ENUM_DEF(RSSI, 56) \
+	BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
+	BRCMF_ENUM_DEF(ACTION_FRAME, 59) \
+	BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \
+	BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \
+	BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \
+	BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \
+	BRCMF_ENUM_DEF(AP_STARTED, 64) \
+	BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \
+	BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \
+	BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \
+	BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \
+	BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \
+	BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \
+	BRCMF_ENUM_DEF(DCS_REQUEST, 73) \
+	BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
+	BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \
+	BRCMF_ENUM_DEF(TDLS_PEER_EVENT, 92) \
+	BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127)
+
+#define BRCMF_ENUM_DEF(id, val) \
+	BRCMF_E_##id = (val),
+
+/* firmware event codes sent by the dongle */
+enum brcmf_fweh_event_code {
+	BRCMF_FWEH_EVENT_ENUM_DEFLIST
+	/* this determines event mask length which must match
+	 * minimum length check in device firmware so it is
+	 * hard-coded here.
+	 */
+	BRCMF_E_LAST = 139
+};
+#undef BRCMF_ENUM_DEF
+
+#define BRCMF_EVENTING_MASK_LEN		DIV_ROUND_UP(BRCMF_E_LAST, 8)
+
+/* flags field values in struct brcmf_event_msg */
+#define BRCMF_EVENT_MSG_LINK		0x01
+#define BRCMF_EVENT_MSG_FLUSHTXQ	0x02
+#define BRCMF_EVENT_MSG_GROUP		0x04
+
+/* status field values in struct brcmf_event_msg */
+#define BRCMF_E_STATUS_SUCCESS			0
+#define BRCMF_E_STATUS_FAIL			1
+#define BRCMF_E_STATUS_TIMEOUT			2
+#define BRCMF_E_STATUS_NO_NETWORKS		3
+#define BRCMF_E_STATUS_ABORT			4
+#define BRCMF_E_STATUS_NO_ACK			5
+#define BRCMF_E_STATUS_UNSOLICITED		6
+#define BRCMF_E_STATUS_ATTEMPT			7
+#define BRCMF_E_STATUS_PARTIAL			8
+#define BRCMF_E_STATUS_NEWSCAN			9
+#define BRCMF_E_STATUS_NEWASSOC			10
+#define BRCMF_E_STATUS_11HQUIET			11
+#define BRCMF_E_STATUS_SUPPRESS			12
+#define BRCMF_E_STATUS_NOCHANS			13
+#define BRCMF_E_STATUS_CS_ABORT			15
+#define BRCMF_E_STATUS_ERROR			16
+
+/* reason field values in struct brcmf_event_msg */
+#define BRCMF_E_REASON_INITIAL_ASSOC		0
+#define BRCMF_E_REASON_LOW_RSSI			1
+#define BRCMF_E_REASON_DEAUTH			2
+#define BRCMF_E_REASON_DISASSOC			3
+#define BRCMF_E_REASON_BCNS_LOST		4
+#define BRCMF_E_REASON_MINTXRATE		9
+#define BRCMF_E_REASON_TXFAIL			10
+
+#define BRCMF_E_REASON_LINK_BSSCFG_DIS		4
+#define BRCMF_E_REASON_FAST_ROAM_FAILED		5
+#define BRCMF_E_REASON_DIRECTED_ROAM		6
+#define BRCMF_E_REASON_TSPEC_REJECTED		7
+#define BRCMF_E_REASON_BETTER_AP		8
+
+#define BRCMF_E_REASON_TDLS_PEER_DISCOVERED	0
+#define BRCMF_E_REASON_TDLS_PEER_CONNECTED	1
+#define BRCMF_E_REASON_TDLS_PEER_DISCONNECTED	2
+
+/* action field values for brcmf_ifevent */
+#define BRCMF_E_IF_ADD				1
+#define BRCMF_E_IF_DEL				2
+#define BRCMF_E_IF_CHANGE			3
+
+/* flag field values for brcmf_ifevent */
+#define BRCMF_E_IF_FLAG_NOIF			1
+
+/* role field values for brcmf_ifevent */
+#define BRCMF_E_IF_ROLE_STA			0
+#define BRCMF_E_IF_ROLE_AP			1
+#define BRCMF_E_IF_ROLE_WDS			2
+#define BRCMF_E_IF_ROLE_P2P_GO			3
+#define BRCMF_E_IF_ROLE_P2P_CLIENT		4
+
+/**
+ * definitions for event packet validation.
+ */
+#define BRCMF_EVENT_OUI_OFFSET		19
+#define BRCM_OUI			"\x00\x10\x18"
+#define DOT11_OUI_LEN			3
+#define BCMILCP_BCM_SUBTYPE_EVENT	1
+
+
+/**
+ * struct brcmf_event_msg - firmware event message.
+ *
+ * @version: version information.
+ * @flags: event flags.
+ * @event_code: firmware event code.
+ * @status: status information.
+ * @reason: reason code.
+ * @auth_type: authentication type.
+ * @datalen: lenght of event data buffer.
+ * @addr: ether address.
+ * @ifname: interface name.
+ * @ifidx: interface index.
+ * @bsscfgidx: bsscfg index.
+ */
+struct brcmf_event_msg {
+	u16 version;
+	u16 flags;
+	u32 event_code;
+	u32 status;
+	u32 reason;
+	s32 auth_type;
+	u32 datalen;
+	u8 addr[ETH_ALEN];
+	char ifname[IFNAMSIZ];
+	u8 ifidx;
+	u8 bsscfgidx;
+};
+
+struct brcmf_if_event {
+	u8 ifidx;
+	u8 action;
+	u8 flags;
+	u8 bssidx;
+	u8 role;
+};
+
+typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp,
+				    const struct brcmf_event_msg *evtmsg,
+				    void *data);
+
+/**
+ * struct brcmf_fweh_info - firmware event handling information.
+ *
+ * @p2pdev_setup_ongoing: P2P device creation in progress.
+ * @event_work: event worker.
+ * @evt_q_lock: lock for event queue protection.
+ * @event_q: event queue.
+ * @evt_handler: registered event handlers.
+ */
+struct brcmf_fweh_info {
+	bool p2pdev_setup_ongoing;
+	struct work_struct event_work;
+	spinlock_t evt_q_lock;
+	struct list_head event_q;
+	int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp,
+					 const struct brcmf_event_msg *evtmsg,
+					 void *data);
+};
+
+void brcmf_fweh_attach(struct brcmf_pub *drvr);
+void brcmf_fweh_detach(struct brcmf_pub *drvr);
+int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
+			int (*handler)(struct brcmf_if *ifp,
+				       const struct brcmf_event_msg *evtmsg,
+				       void *data));
+void brcmf_fweh_unregister(struct brcmf_pub *drvr,
+			   enum brcmf_fweh_event_code code);
+int brcmf_fweh_activate_events(struct brcmf_if *ifp);
+void brcmf_fweh_process_event(struct brcmf_pub *drvr,
+			      struct brcmf_event *event_packet);
+void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing);
+
+static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
+					  struct sk_buff *skb)
+{
+	struct brcmf_event *event_packet;
+	u8 *data;
+	u16 usr_stype;
+
+	/* only process events when protocol matches */
+	if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL))
+		return;
+
+	/* check for BRCM oui match */
+	event_packet = (struct brcmf_event *)skb_mac_header(skb);
+	data = (u8 *)event_packet;
+	data += BRCMF_EVENT_OUI_OFFSET;
+	if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN))
+		return;
+
+	/* final match on usr_subtype */
+	data += DOT11_OUI_LEN;
+	usr_stype = get_unaligned_be16(data);
+	if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT)
+		return;
+
+	brcmf_fweh_process_event(drvr, event_packet);
+}
+
+#endif /* FWEH_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c

@@ -0,0 +1,420 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* FWIL is the Firmware Interface Layer. In this module the support functions
+ * are located to set and get variables to and from the firmware.
+ */
+
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include "core.h"
+#include "bus.h"
+#include "debug.h"
+#include "tracepoint.h"
+#include "fwil.h"
+#include "proto.h"
+
+
+#define MAX_HEX_DUMP_LEN	64
+
+#ifdef DEBUG
+static const char * const brcmf_fil_errstr[] = {
+	"BCME_OK",
+	"BCME_ERROR",
+	"BCME_BADARG",
+	"BCME_BADOPTION",
+	"BCME_NOTUP",
+	"BCME_NOTDOWN",
+	"BCME_NOTAP",
+	"BCME_NOTSTA",
+	"BCME_BADKEYIDX",
+	"BCME_RADIOOFF",
+	"BCME_NOTBANDLOCKED",
+	"BCME_NOCLK",
+	"BCME_BADRATESET",
+	"BCME_BADBAND",
+	"BCME_BUFTOOSHORT",
+	"BCME_BUFTOOLONG",
+	"BCME_BUSY",
+	"BCME_NOTASSOCIATED",
+	"BCME_BADSSIDLEN",
+	"BCME_OUTOFRANGECHAN",
+	"BCME_BADCHAN",
+	"BCME_BADADDR",
+	"BCME_NORESOURCE",
+	"BCME_UNSUPPORTED",
+	"BCME_BADLEN",
+	"BCME_NOTREADY",
+	"BCME_EPERM",
+	"BCME_NOMEM",
+	"BCME_ASSOCIATED",
+	"BCME_RANGE",
+	"BCME_NOTFOUND",
+	"BCME_WME_NOT_ENABLED",
+	"BCME_TSPEC_NOTFOUND",
+	"BCME_ACM_NOTSUPPORTED",
+	"BCME_NOT_WME_ASSOCIATION",
+	"BCME_SDIO_ERROR",
+	"BCME_DONGLE_DOWN",
+	"BCME_VERSION",
+	"BCME_TXFAIL",
+	"BCME_RXFAIL",
+	"BCME_NODEVICE",
+	"BCME_NMODE_DISABLED",
+	"BCME_NONRESIDENT",
+	"BCME_SCANREJECT",
+	"BCME_USAGE_ERROR",
+	"BCME_IOCTL_ERROR",
+	"BCME_SERIAL_PORT_ERR",
+	"BCME_DISABLED",
+	"BCME_DECERR",
+	"BCME_ENCERR",
+	"BCME_MICERR",
+	"BCME_REPLAY",
+	"BCME_IE_NOTFOUND",
+};
+
+static const char *brcmf_fil_get_errstr(u32 err)
+{
+	if (err >= ARRAY_SIZE(brcmf_fil_errstr))
+		return "(unknown)";
+
+	return brcmf_fil_errstr[err];
+}
+#else
+static const char *brcmf_fil_get_errstr(u32 err)
+{
+	return "";
+}
+#endif /* DEBUG */
+
+static s32
+brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
+{
+	struct brcmf_pub *drvr = ifp->drvr;
+	s32 err;
+
+	if (drvr->bus_if->state != BRCMF_BUS_UP) {
+		brcmf_err("bus is down. we have nothing to do.\n");
+		return -EIO;
+	}
+
+	if (data != NULL)
+		len = min_t(uint, len, BRCMF_DCMD_MAXLEN);
+	if (set)
+		err = brcmf_proto_set_dcmd(drvr, ifp->ifidx, cmd, data, len);
+	else
+		err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd, data, len);
+
+	if (err >= 0)
+		return 0;
+
+	brcmf_dbg(FIL, "Failed: %s (%d)\n",
+		  brcmf_fil_get_errstr((u32)(-err)), err);
+	return -EBADE;
+}
+
+s32
+brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
+{
+	s32 err;
+
+	mutex_lock(&ifp->drvr->proto_block);
+
+	brcmf_dbg(FIL, "ifidx=%d, cmd=%d, len=%d\n", ifp->ifidx, cmd, len);
+	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
+			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
+
+	err = brcmf_fil_cmd_data(ifp, cmd, data, len, true);
+	mutex_unlock(&ifp->drvr->proto_block);
+
+	return err;
+}
+
+s32
+brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
+{
+	s32 err;
+
+	mutex_lock(&ifp->drvr->proto_block);
+	err = brcmf_fil_cmd_data(ifp, cmd, data, len, false);
+
+	brcmf_dbg(FIL, "ifidx=%d, cmd=%d, len=%d\n", ifp->ifidx, cmd, len);
+	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
+			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
+
+	mutex_unlock(&ifp->drvr->proto_block);
+
+	return err;
+}
+
+
+s32
+brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data)
+{
+	s32 err;
+	__le32 data_le = cpu_to_le32(data);
+
+	mutex_lock(&ifp->drvr->proto_block);
+	brcmf_dbg(FIL, "ifidx=%d, cmd=%d, value=%d\n", ifp->ifidx, cmd, data);
+	err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true);
+	mutex_unlock(&ifp->drvr->proto_block);
+
+	return err;
+}
+
+s32
+brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data)
+{
+	s32 err;
+	__le32 data_le = cpu_to_le32(*data);
+
+	mutex_lock(&ifp->drvr->proto_block);
+	err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false);
+	mutex_unlock(&ifp->drvr->proto_block);
+	*data = le32_to_cpu(data_le);
+	brcmf_dbg(FIL, "ifidx=%d, cmd=%d, value=%d\n", ifp->ifidx, cmd, *data);
+
+	return err;
+}
+
+static u32
+brcmf_create_iovar(char *name, const char *data, u32 datalen,
+		   char *buf, u32 buflen)
+{
+	u32 len;
+
+	len = strlen(name) + 1;
+
+	if ((len + datalen) > buflen)
+		return 0;
+
+	memcpy(buf, name, len);
+
+	/* append data onto the end of the name string */
+	if (data && datalen)
+		memcpy(&buf[len], data, datalen);
+
+	return len + datalen;
+}
+
+
+s32
+brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data,
+			 u32 len)
+{
+	struct brcmf_pub *drvr = ifp->drvr;
+	s32 err;
+	u32 buflen;
+
+	mutex_lock(&drvr->proto_block);
+
+	brcmf_dbg(FIL, "ifidx=%d, name=%s, len=%d\n", ifp->ifidx, name, len);
+	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
+			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
+
+	buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
+				    sizeof(drvr->proto_buf));
+	if (buflen) {
+		err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
+					 buflen, true);
+	} else {
+		err = -EPERM;
+		brcmf_err("Creating iovar failed\n");
+	}
+
+	mutex_unlock(&drvr->proto_block);
+	return err;
+}
+
+s32
+brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data,
+			 u32 len)
+{
+	struct brcmf_pub *drvr = ifp->drvr;
+	s32 err;
+	u32 buflen;
+
+	mutex_lock(&drvr->proto_block);
+
+	buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
+				    sizeof(drvr->proto_buf));
+	if (buflen) {
+		err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
+					 buflen, false);
+		if (err == 0)
+			memcpy(data, drvr->proto_buf, len);
+	} else {
+		err = -EPERM;
+		brcmf_err("Creating iovar failed\n");
+	}
+
+	brcmf_dbg(FIL, "ifidx=%d, name=%s, len=%d\n", ifp->ifidx, name, len);
+	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
+			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
+
+	mutex_unlock(&drvr->proto_block);
+	return err;
+}
+
+s32
+brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data)
+{
+	__le32 data_le = cpu_to_le32(data);
+
+	return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le));
+}
+
+s32
+brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data)
+{
+	__le32 data_le = cpu_to_le32(*data);
+	s32 err;
+
+	err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le));
+	if (err == 0)
+		*data = le32_to_cpu(data_le);
+	return err;
+}
+
+static u32
+brcmf_create_bsscfg(s32 bssidx, char *name, char *data, u32 datalen, char *buf,
+		    u32 buflen)
+{
+	const s8 *prefix = "bsscfg:";
+	s8 *p;
+	u32 prefixlen;
+	u32 namelen;
+	u32 iolen;
+	__le32 bssidx_le;
+
+	if (bssidx == 0)
+		return brcmf_create_iovar(name, data, datalen, buf, buflen);
+
+	prefixlen = strlen(prefix);
+	namelen = strlen(name) + 1; /* lengh of iovar  name + null */
+	iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen;
+
+	if (buflen < iolen) {
+		brcmf_err("buffer is too short\n");
+		return 0;
+	}
+
+	p = buf;
+
+	/* copy prefix, no null */
+	memcpy(p, prefix, prefixlen);
+	p += prefixlen;
+
+	/* copy iovar name including null */
+	memcpy(p, name, namelen);
+	p += namelen;
+
+	/* bss config index as first data */
+	bssidx_le = cpu_to_le32(bssidx);
+	memcpy(p, &bssidx_le, sizeof(bssidx_le));
+	p += sizeof(bssidx_le);
+
+	/* parameter buffer follows */
+	if (datalen)
+		memcpy(p, data, datalen);
+
+	return iolen;
+}
+
+s32
+brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name,
+			  void *data, u32 len)
+{
+	struct brcmf_pub *drvr = ifp->drvr;
+	s32 err;
+	u32 buflen;
+
+	mutex_lock(&drvr->proto_block);
+
+	brcmf_dbg(FIL, "ifidx=%d, bssidx=%d, name=%s, len=%d\n", ifp->ifidx,
+		  ifp->bssidx, name, len);
+	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
+			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
+
+	buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
+				     drvr->proto_buf, sizeof(drvr->proto_buf));
+	if (buflen) {
+		err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
+					 buflen, true);
+	} else {
+		err = -EPERM;
+		brcmf_err("Creating bsscfg failed\n");
+	}
+
+	mutex_unlock(&drvr->proto_block);
+	return err;
+}
+
+s32
+brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name,
+			  void *data, u32 len)
+{
+	struct brcmf_pub *drvr = ifp->drvr;
+	s32 err;
+	u32 buflen;
+
+	mutex_lock(&drvr->proto_block);
+
+	buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
+				     drvr->proto_buf, sizeof(drvr->proto_buf));
+	if (buflen) {
+		err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
+					 buflen, false);
+		if (err == 0)
+			memcpy(data, drvr->proto_buf, len);
+	} else {
+		err = -EPERM;
+		brcmf_err("Creating bsscfg failed\n");
+	}
+	brcmf_dbg(FIL, "ifidx=%d, bssidx=%d, name=%s, len=%d\n", ifp->ifidx,
+		  ifp->bssidx, name, len);
+	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
+			   min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n");
+
+	mutex_unlock(&drvr->proto_block);
+	return err;
+
+}
+
+s32
+brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data)
+{
+	__le32 data_le = cpu_to_le32(data);
+
+	return brcmf_fil_bsscfg_data_set(ifp, name, &data_le,
+					 sizeof(data_le));
+}
+
+s32
+brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data)
+{
+	__le32 data_le = cpu_to_le32(*data);
+	s32 err;
+
+	err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le,
+					sizeof(data_le));
+	if (err == 0)
+		*data = le32_to_cpu(data_le);
+	return err;
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.h

@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _fwil_h_
+#define _fwil_h_
+
+/*******************************************************************************
+ * Dongle command codes that are interpreted by firmware
+ ******************************************************************************/
+#define BRCMF_C_GET_VERSION			1
+#define BRCMF_C_UP				2
+#define BRCMF_C_DOWN				3
+#define BRCMF_C_SET_PROMISC			10
+#define BRCMF_C_GET_RATE			12
+#define BRCMF_C_GET_INFRA			19
+#define BRCMF_C_SET_INFRA			20
+#define BRCMF_C_GET_AUTH			21
+#define BRCMF_C_SET_AUTH			22
+#define BRCMF_C_GET_BSSID			23
+#define BRCMF_C_GET_SSID			25
+#define BRCMF_C_SET_SSID			26
+#define BRCMF_C_TERMINATED			28
+#define BRCMF_C_GET_CHANNEL			29
+#define BRCMF_C_SET_CHANNEL			30
+#define BRCMF_C_GET_SRL				31
+#define BRCMF_C_SET_SRL				32
+#define BRCMF_C_GET_LRL				33
+#define BRCMF_C_SET_LRL				34
+#define BRCMF_C_GET_RADIO			37
+#define BRCMF_C_SET_RADIO			38
+#define BRCMF_C_GET_PHYTYPE			39
+#define BRCMF_C_SET_KEY				45
+#define BRCMF_C_GET_REGULATORY			46
+#define BRCMF_C_SET_REGULATORY			47
+#define BRCMF_C_SET_PASSIVE_SCAN		49
+#define BRCMF_C_SCAN				50
+#define BRCMF_C_SCAN_RESULTS			51
+#define BRCMF_C_DISASSOC			52
+#define BRCMF_C_REASSOC				53
+#define BRCMF_C_SET_ROAM_TRIGGER		55
+#define BRCMF_C_SET_ROAM_DELTA			57
+#define BRCMF_C_GET_BCNPRD			75
+#define BRCMF_C_SET_BCNPRD			76
+#define BRCMF_C_GET_DTIMPRD			77
+#define BRCMF_C_SET_DTIMPRD			78
+#define BRCMF_C_SET_COUNTRY			84
+#define BRCMF_C_GET_PM				85
+#define BRCMF_C_SET_PM				86
+#define BRCMF_C_GET_REVINFO			98
+#define BRCMF_C_GET_CURR_RATESET		114
+#define BRCMF_C_GET_AP				117
+#define BRCMF_C_SET_AP				118
+#define BRCMF_C_SET_SCB_AUTHORIZE		121
+#define BRCMF_C_SET_SCB_DEAUTHORIZE		122
+#define BRCMF_C_GET_RSSI			127
+#define BRCMF_C_GET_WSEC			133
+#define BRCMF_C_SET_WSEC			134
+#define BRCMF_C_GET_PHY_NOISE			135
+#define BRCMF_C_GET_BSS_INFO			136
+#define BRCMF_C_GET_BANDLIST			140
+#define BRCMF_C_SET_SCB_TIMEOUT			158
+#define BRCMF_C_GET_ASSOCLIST			159
+#define BRCMF_C_GET_PHYLIST			180
+#define BRCMF_C_SET_SCAN_CHANNEL_TIME		185
+#define BRCMF_C_SET_SCAN_UNASSOC_TIME		187
+#define BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON	201
+#define BRCMF_C_GET_VALID_CHANNELS		217
+#define BRCMF_C_GET_KEY_PRIMARY			235
+#define BRCMF_C_SET_KEY_PRIMARY			236
+#define BRCMF_C_SET_SCAN_PASSIVE_TIME		258
+#define BRCMF_C_GET_VAR				262
+#define BRCMF_C_SET_VAR				263
+
+s32 brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len);
+s32 brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len);
+s32 brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data);
+s32 brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data);
+
+s32 brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data,
+			     u32 len);
+s32 brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data,
+			     u32 len);
+s32 brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data);
+s32 brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data);
+
+s32 brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, void *data,
+			      u32 len);
+s32 brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, void *data,
+			      u32 len);
+s32 brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data);
+s32 brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data);
+
+#endif /* _fwil_h_ */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h

@@ -0,0 +1,637 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#ifndef FWIL_TYPES_H_
+#define FWIL_TYPES_H_
+
+#include <linux/if_ether.h>
+
+
+#define BRCMF_FIL_ACTION_FRAME_SIZE	1800
+
+/* ARP Offload feature flags for arp_ol iovar */
+#define BRCMF_ARP_OL_AGENT		0x00000001
+#define BRCMF_ARP_OL_SNOOP		0x00000002
+#define BRCMF_ARP_OL_HOST_AUTO_REPLY	0x00000004
+#define BRCMF_ARP_OL_PEER_AUTO_REPLY	0x00000008
+
+#define	BRCMF_BSS_INFO_VERSION	109 /* curr ver of brcmf_bss_info_le struct */
+#define BRCMF_BSS_RSSI_ON_CHANNEL	0x0002
+
+#define BRCMF_STA_WME              0x00000002      /* WMM association */
+#define BRCMF_STA_AUTHE            0x00000008      /* Authenticated */
+#define BRCMF_STA_ASSOC            0x00000010      /* Associated */
+#define BRCMF_STA_AUTHO            0x00000020      /* Authorized */
+#define BRCMF_STA_SCBSTATS         0x00004000      /* Per STA debug stats */
+
+/* size of brcmf_scan_params not including variable length array */
+#define BRCMF_SCAN_PARAMS_FIXED_SIZE	64
+
+/* masks for channel and ssid count */
+#define BRCMF_SCAN_PARAMS_COUNT_MASK	0x0000ffff
+#define BRCMF_SCAN_PARAMS_NSSID_SHIFT	16
+
+/* primary (ie tx) key */
+#define BRCMF_PRIMARY_KEY		(1 << 1)
+#define DOT11_BSSTYPE_ANY		2
+#define BRCMF_ESCAN_REQ_VERSION		1
+
+#define BRCMF_MAXRATES_IN_SET		16	/* max # of rates in rateset */
+
+/* OBSS Coex Auto/On/Off */
+#define BRCMF_OBSS_COEX_AUTO		(-1)
+#define BRCMF_OBSS_COEX_OFF		0
+#define BRCMF_OBSS_COEX_ON		1
+
+/* WOWL bits */
+/* Wakeup on Magic packet: */
+#define BRCMF_WOWL_MAGIC		(1 << 0)
+/* Wakeup on Netpattern */
+#define BRCMF_WOWL_NET			(1 << 1)
+/* Wakeup on loss-of-link due to Disassoc/Deauth: */
+#define BRCMF_WOWL_DIS			(1 << 2)
+/* Wakeup on retrograde TSF: */
+#define BRCMF_WOWL_RETR			(1 << 3)
+/* Wakeup on loss of beacon: */
+#define BRCMF_WOWL_BCN			(1 << 4)
+/* Wakeup after test: */
+#define BRCMF_WOWL_TST			(1 << 5)
+/* Wakeup after PTK refresh: */
+#define BRCMF_WOWL_M1			(1 << 6)
+/* Wakeup after receipt of EAP-Identity Req: */
+#define BRCMF_WOWL_EAPID		(1 << 7)
+/* Wakeind via PME(0) or GPIO(1): */
+#define BRCMF_WOWL_PME_GPIO		(1 << 8)
+/* need tkip phase 1 key to be updated by the driver: */
+#define BRCMF_WOWL_NEEDTKIP1		(1 << 9)
+/* enable wakeup if GTK fails: */
+#define BRCMF_WOWL_GTK_FAILURE		(1 << 10)
+/* support extended magic packets: */
+#define BRCMF_WOWL_EXTMAGPAT		(1 << 11)
+/* support ARP/NS/keepalive offloading: */
+#define BRCMF_WOWL_ARPOFFLOAD		(1 << 12)
+/* read protocol version for EAPOL frames: */
+#define BRCMF_WOWL_WPA2			(1 << 13)
+/* If the bit is set, use key rotaton: */
+#define BRCMF_WOWL_KEYROT		(1 << 14)
+/* If the bit is set, frm received was bcast frame: */
+#define BRCMF_WOWL_BCAST		(1 << 15)
+/* If the bit is set, scan offload is enabled: */
+#define BRCMF_WOWL_SCANOL		(1 << 16)
+/* Wakeup on tcpkeep alive timeout: */
+#define BRCMF_WOWL_TCPKEEP_TIME		(1 << 17)
+/* Wakeup on mDNS Conflict Resolution: */
+#define BRCMF_WOWL_MDNS_CONFLICT	(1 << 18)
+/* Wakeup on mDNS Service Connect: */
+#define BRCMF_WOWL_MDNS_SERVICE		(1 << 19)
+/* tcp keepalive got data: */
+#define BRCMF_WOWL_TCPKEEP_DATA		(1 << 20)
+/* Firmware died in wowl mode: */
+#define BRCMF_WOWL_FW_HALT		(1 << 21)
+/* Enable detection of radio button changes: */
+#define BRCMF_WOWL_ENAB_HWRADIO		(1 << 22)
+/* Offloads detected MIC failure(s): */
+#define BRCMF_WOWL_MIC_FAIL		(1 << 23)
+/* Wakeup in Unassociated state (Net/Magic Pattern): */
+#define BRCMF_WOWL_UNASSOC		(1 << 24)
+/* Wakeup if received matched secured pattern: */
+#define BRCMF_WOWL_SECURE		(1 << 25)
+/* Link Down indication in WoWL mode: */
+#define BRCMF_WOWL_LINKDOWN		(1 << 31)
+
+#define BRCMF_WOWL_MAXPATTERNS		8
+#define BRCMF_WOWL_MAXPATTERNSIZE	128
+
+#define BRCMF_COUNTRY_BUF_SZ		4
+#define BRCMF_ANT_MAX			4
+
+#define BRCMF_MAX_ASSOCLIST		128
+
+/* join preference types for join_pref iovar */
+enum brcmf_join_pref_types {
+	BRCMF_JOIN_PREF_RSSI = 1,
+	BRCMF_JOIN_PREF_WPA,
+	BRCMF_JOIN_PREF_BAND,
+	BRCMF_JOIN_PREF_RSSI_DELTA,
+};
+
+enum brcmf_fil_p2p_if_types {
+	BRCMF_FIL_P2P_IF_CLIENT,
+	BRCMF_FIL_P2P_IF_GO,
+	BRCMF_FIL_P2P_IF_DYNBCN_GO,
+	BRCMF_FIL_P2P_IF_DEV,
+};
+
+enum brcmf_wowl_pattern_type {
+	BRCMF_WOWL_PATTERN_TYPE_BITMAP = 0,
+	BRCMF_WOWL_PATTERN_TYPE_ARP,
+	BRCMF_WOWL_PATTERN_TYPE_NA
+};
+
+struct brcmf_fil_p2p_if_le {
+	u8 addr[ETH_ALEN];
+	__le16 type;
+	__le16 chspec;
+};
+
+struct brcmf_fil_chan_info_le {
+	__le32 hw_channel;
+	__le32 target_channel;
+	__le32 scan_channel;
+};
+
+struct brcmf_fil_action_frame_le {
+	u8	da[ETH_ALEN];
+	__le16	len;
+	__le32	packet_id;
+	u8	data[BRCMF_FIL_ACTION_FRAME_SIZE];
+};
+
+struct brcmf_fil_af_params_le {
+	__le32					channel;
+	__le32					dwell_time;
+	u8					bssid[ETH_ALEN];
+	u8					pad[2];
+	struct brcmf_fil_action_frame_le	action_frame;
+};
+
+struct brcmf_fil_bss_enable_le {
+	__le32 bsscfg_idx;
+	__le32 enable;
+};
+
+struct brcmf_fil_bwcap_le {
+	__le32 band;
+	__le32 bw_cap;
+};
+
+/**
+ * struct tdls_iovar - common structure for tdls iovars.
+ *
+ * @ea: ether address of peer station.
+ * @mode: mode value depending on specific tdls iovar.
+ * @chanspec: channel specification.
+ * @pad: unused (for future use).
+ */
+struct brcmf_tdls_iovar_le {
+	u8 ea[ETH_ALEN];		/* Station address */
+	u8 mode;			/* mode: depends on iovar */
+	__le16 chanspec;
+	__le32 pad;			/* future */
+};
+
+enum brcmf_tdls_manual_ep_ops {
+	BRCMF_TDLS_MANUAL_EP_CREATE = 1,
+	BRCMF_TDLS_MANUAL_EP_DELETE = 3,
+	BRCMF_TDLS_MANUAL_EP_DISCOVERY = 6
+};
+
+/* Pattern matching filter. Specifies an offset within received packets to
+ * start matching, the pattern to match, the size of the pattern, and a bitmask
+ * that indicates which bits within the pattern should be matched.
+ */
+struct brcmf_pkt_filter_pattern_le {
+	/*
+	 * Offset within received packet to start pattern matching.
+	 * Offset '0' is the first byte of the ethernet header.
+	 */
+	__le32 offset;
+	/* Size of the pattern.  Bitmask must be the same size.*/
+	__le32 size_bytes;
+	/*
+	 * Variable length mask and pattern data. mask starts at offset 0.
+	 * Pattern immediately follows mask.
+	 */
+	u8 mask_and_pattern[1];
+};
+
+/* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */
+struct brcmf_pkt_filter_le {
+	__le32 id;		/* Unique filter id, specified by app. */
+	__le32 type;		/* Filter type (WL_PKT_FILTER_TYPE_xxx). */
+	__le32 negate_match;	/* Negate the result of filter matches */
+	union {			/* Filter definitions */
+		struct brcmf_pkt_filter_pattern_le pattern; /* Filter pattern */
+	} u;
+};
+
+/* IOVAR "pkt_filter_enable" parameter. */
+struct brcmf_pkt_filter_enable_le {
+	__le32 id;		/* Unique filter id */
+	__le32 enable;		/* Enable/disable bool */
+};
+
+/* BSS info structure
+ * Applications MUST CHECK ie_offset field and length field to access IEs and
+ * next bss_info structure in a vector (in struct brcmf_scan_results)
+ */
+struct brcmf_bss_info_le {
+	__le32 version;		/* version field */
+	__le32 length;		/* byte length of data in this record,
+				 * starting at version and including IEs
+				 */
+	u8 BSSID[ETH_ALEN];
+	__le16 beacon_period;	/* units are Kusec */
+	__le16 capability;	/* Capability information */
+	u8 SSID_len;
+	u8 SSID[32];
+	struct {
+		__le32 count;   /* # rates in this set */
+		u8 rates[16]; /* rates in 500kbps units w/hi bit set if basic */
+	} rateset;		/* supported rates */
+	__le16 chanspec;	/* chanspec for bss */
+	__le16 atim_window;	/* units are Kusec */
+	u8 dtim_period;	/* DTIM period */
+	__le16 RSSI;		/* receive signal strength (in dBm) */
+	s8 phy_noise;		/* noise (in dBm) */
+
+	u8 n_cap;		/* BSS is 802.11N Capable */
+	/* 802.11N BSS Capabilities (based on HT_CAP_*): */
+	__le32 nbss_cap;
+	u8 ctl_ch;		/* 802.11N BSS control channel number */
+	__le32 reserved32[1];	/* Reserved for expansion of BSS properties */
+	u8 flags;		/* flags */
+	u8 reserved[3];	/* Reserved for expansion of BSS properties */
+	u8 basic_mcs[MCSSET_LEN];	/* 802.11N BSS required MCS set */
+
+	__le16 ie_offset;	/* offset at which IEs start, from beginning */
+	__le32 ie_length;	/* byte length of Information Elements */
+	__le16 SNR;		/* average SNR of during frame reception */
+	/* Add new fields here */
+	/* variable length Information Elements */
+};
+
+struct brcm_rateset_le {
+	/* # rates in this set */
+	__le32 count;
+	/* rates in 500kbps units w/hi bit set if basic */
+	u8 rates[BRCMF_MAXRATES_IN_SET];
+};
+
+struct brcmf_ssid {
+	u32 SSID_len;
+	unsigned char SSID[32];
+};
+
+struct brcmf_ssid_le {
+	__le32 SSID_len;
+	unsigned char SSID[32];
+};
+
+struct brcmf_scan_params_le {
+	struct brcmf_ssid_le ssid_le;	/* default: {0, ""} */
+	u8 bssid[ETH_ALEN];	/* default: bcast */
+	s8 bss_type;		/* default: any,
+				 * DOT11_BSSTYPE_ANY/INFRASTRUCTURE/INDEPENDENT
+				 */
+	u8 scan_type;	/* flags, 0 use default */
+	__le32 nprobes;	  /* -1 use default, number of probes per channel */
+	__le32 active_time;	/* -1 use default, dwell time per channel for
+				 * active scanning
+				 */
+	__le32 passive_time;	/* -1 use default, dwell time per channel
+				 * for passive scanning
+				 */
+	__le32 home_time;	/* -1 use default, dwell time for the
+				 * home channel between channel scans
+				 */
+	__le32 channel_num;	/* count of channels and ssids that follow
+				 *
+				 * low half is count of channels in
+				 * channel_list, 0 means default (use all
+				 * available channels)
+				 *
+				 * high half is entries in struct brcmf_ssid
+				 * array that follows channel_list, aligned for
+				 * s32 (4 bytes) meaning an odd channel count
+				 * implies a 2-byte pad between end of
+				 * channel_list and first ssid
+				 *
+				 * if ssid count is zero, single ssid in the
+				 * fixed parameter portion is assumed, otherwise
+				 * ssid in the fixed portion is ignored
+				 */
+	__le16 channel_list[1];	/* list of chanspecs */
+};
+
+struct brcmf_scan_results {
+	u32 buflen;
+	u32 version;
+	u32 count;
+	struct brcmf_bss_info_le bss_info_le[];
+};
+
+struct brcmf_escan_params_le {
+	__le32 version;
+	__le16 action;
+	__le16 sync_id;
+	struct brcmf_scan_params_le params_le;
+};
+
+struct brcmf_escan_result_le {
+	__le32 buflen;
+	__le32 version;
+	__le16 sync_id;
+	__le16 bss_count;
+	struct brcmf_bss_info_le bss_info_le;
+};
+
+#define WL_ESCAN_RESULTS_FIXED_SIZE (sizeof(struct brcmf_escan_result_le) - \
+	sizeof(struct brcmf_bss_info_le))
+
+/* used for association with a specific BSSID and chanspec list */
+struct brcmf_assoc_params_le {
+	/* 00:00:00:00:00:00: broadcast scan */
+	u8 bssid[ETH_ALEN];
+	/* 0: all available channels, otherwise count of chanspecs in
+	 * chanspec_list */
+	__le32 chanspec_num;
+	/* list of chanspecs */
+	__le16 chanspec_list[1];
+};
+
+/**
+ * struct join_pref params - parameters for preferred join selection.
+ *
+ * @type: preference type (see enum brcmf_join_pref_types).
+ * @len: length of bytes following (currently always 2).
+ * @rssi_gain: signal gain for selection (only when @type is RSSI_DELTA).
+ * @band: band to which selection preference applies.
+ *	This is used if @type is BAND or RSSI_DELTA.
+ */
+struct brcmf_join_pref_params {
+	u8 type;
+	u8 len;
+	u8 rssi_gain;
+	u8 band;
+};
+
+/* used for join with or without a specific bssid and channel list */
+struct brcmf_join_params {
+	struct brcmf_ssid_le ssid_le;
+	struct brcmf_assoc_params_le params_le;
+};
+
+/* scan params for extended join */
+struct brcmf_join_scan_params_le {
+	u8 scan_type;		/* 0 use default, active or passive scan */
+	__le32 nprobes;		/* -1 use default, nr of probes per channel */
+	__le32 active_time;	/* -1 use default, dwell time per channel for
+				 * active scanning
+				 */
+	__le32 passive_time;	/* -1 use default, dwell time per channel
+				 * for passive scanning
+				 */
+	__le32 home_time;	/* -1 use default, dwell time for the home
+				 * channel between channel scans
+				 */
+};
+
+/* extended join params */
+struct brcmf_ext_join_params_le {
+	struct brcmf_ssid_le ssid_le;	/* {0, ""}: wildcard scan */
+	struct brcmf_join_scan_params_le scan_le;
+	struct brcmf_assoc_params_le assoc_le;
+};
+
+struct brcmf_wsec_key {
+	u32 index;		/* key index */
+	u32 len;		/* key length */
+	u8 data[WLAN_MAX_KEY_LEN];	/* key data */
+	u32 pad_1[18];
+	u32 algo;	/* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
+	u32 flags;	/* misc flags */
+	u32 pad_2[3];
+	u32 iv_initialized;	/* has IV been initialized already? */
+	u32 pad_3;
+	/* Rx IV */
+	struct {
+		u32 hi;	/* upper 32 bits of IV */
+		u16 lo;	/* lower 16 bits of IV */
+	} rxiv;
+	u32 pad_4[2];
+	u8 ea[ETH_ALEN];	/* per station */
+};
+
+/*
+ * dongle requires same struct as above but with fields in little endian order
+ */
+struct brcmf_wsec_key_le {
+	__le32 index;		/* key index */
+	__le32 len;		/* key length */
+	u8 data[WLAN_MAX_KEY_LEN];	/* key data */
+	__le32 pad_1[18];
+	__le32 algo;	/* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
+	__le32 flags;	/* misc flags */
+	__le32 pad_2[3];
+	__le32 iv_initialized;	/* has IV been initialized already? */
+	__le32 pad_3;
+	/* Rx IV */
+	struct {
+		__le32 hi;	/* upper 32 bits of IV */
+		__le16 lo;	/* lower 16 bits of IV */
+	} rxiv;
+	__le32 pad_4[2];
+	u8 ea[ETH_ALEN];	/* per station */
+};
+
+/* Used to get specific STA parameters */
+struct brcmf_scb_val_le {
+	__le32 val;
+	u8 ea[ETH_ALEN];
+};
+
+/* channel encoding */
+struct brcmf_channel_info_le {
+	__le32 hw_channel;
+	__le32 target_channel;
+	__le32 scan_channel;
+};
+
+struct brcmf_sta_info_le {
+	__le16 ver;		/* version of this struct */
+	__le16 len;		/* length in bytes of this structure */
+	__le16 cap;		/* sta's advertised capabilities */
+	__le32 flags;		/* flags defined below */
+	__le32 idle;		/* time since data pkt rx'd from sta */
+	u8 ea[ETH_ALEN];		/* Station address */
+	__le32 count;			/* # rates in this set */
+	u8 rates[BRCMF_MAXRATES_IN_SET];	/* rates in 500kbps units */
+						/* w/hi bit set if basic */
+	__le32 in;		/* seconds elapsed since associated */
+	__le32 listen_interval_inms; /* Min Listen interval in ms for STA */
+	__le32 tx_pkts;	/* # of packets transmitted */
+	__le32 tx_failures;	/* # of packets failed */
+	__le32 rx_ucast_pkts;	/* # of unicast packets received */
+	__le32 rx_mcast_pkts;	/* # of multicast packets received */
+	__le32 tx_rate;	/* Rate of last successful tx frame */
+	__le32 rx_rate;	/* Rate of last successful rx frame */
+	__le32 rx_decrypt_succeeds;	/* # of packet decrypted successfully */
+	__le32 rx_decrypt_failures;	/* # of packet decrypted failed */
+	__le32 tx_tot_pkts;    /* # of tx pkts (ucast + mcast) */
+	__le32 rx_tot_pkts;    /* # of data packets recvd (uni + mcast) */
+	__le32 tx_mcast_pkts;  /* # of mcast pkts txed */
+	__le64 tx_tot_bytes;   /* data bytes txed (ucast + mcast) */
+	__le64 rx_tot_bytes;   /* data bytes recvd (ucast + mcast) */
+	__le64 tx_ucast_bytes; /* data bytes txed (ucast) */
+	__le64 tx_mcast_bytes; /* # data bytes txed (mcast) */
+	__le64 rx_ucast_bytes; /* data bytes recvd (ucast) */
+	__le64 rx_mcast_bytes; /* data bytes recvd (mcast) */
+	s8 rssi[BRCMF_ANT_MAX];   /* per antenna rssi */
+	s8 nf[BRCMF_ANT_MAX];     /* per antenna noise floor */
+	__le16 aid;                    /* association ID */
+	__le16 ht_capabilities;        /* advertised ht caps */
+	__le16 vht_flags;              /* converted vht flags */
+	__le32 tx_pkts_retry_cnt;      /* # of frames where a retry was
+					 * exhausted.
+					 */
+	__le32 tx_pkts_retry_exhausted; /* # of user frames where a retry
+					 * was exhausted
+					 */
+	s8 rx_lastpkt_rssi[BRCMF_ANT_MAX]; /* Per antenna RSSI of last
+					    * received data frame.
+					    */
+	/* TX WLAN retry/failure statistics:
+	 * Separated for host requested frames and locally generated frames.
+	 * Include unicast frame only where the retries/failures can be counted.
+	 */
+	__le32 tx_pkts_total;          /* # user frames sent successfully */
+	__le32 tx_pkts_retries;        /* # user frames retries */
+	__le32 tx_pkts_fw_total;       /* # FW generated sent successfully */
+	__le32 tx_pkts_fw_retries;     /* # retries for FW generated frames */
+	__le32 tx_pkts_fw_retry_exhausted;     /* # FW generated where a retry
+						* was exhausted
+						*/
+	__le32 rx_pkts_retried;        /* # rx with retry bit set */
+	__le32 tx_rate_fallback;       /* lowest fallback TX rate */
+};
+
+struct brcmf_chanspec_list {
+	__le32	count;		/* # of entries */
+	__le32	element[1];	/* variable length uint32 list */
+};
+
+/*
+ * WLC_E_PROBRESP_MSG
+ * WLC_E_P2P_PROBREQ_MSG
+ * WLC_E_ACTION_FRAME_RX
+ */
+struct brcmf_rx_mgmt_data {
+	__be16	version;
+	__be16	chanspec;
+	__be32	rssi;
+	__be32	mactime;
+	__be32	rate;
+};
+
+/**
+ * struct brcmf_fil_wowl_pattern_le - wowl pattern configuration struct.
+ *
+ * @cmd: "add", "del" or "clr".
+ * @masksize: Size of the mask in #of bytes
+ * @offset: Pattern byte offset in packet
+ * @patternoffset: Offset of start of pattern. Starting from field masksize.
+ * @patternsize: Size of the pattern itself in #of bytes
+ * @id: id
+ * @reasonsize: Size of the wakeup reason code
+ * @type: Type of pattern (enum brcmf_wowl_pattern_type)
+ */
+struct brcmf_fil_wowl_pattern_le {
+	u8	cmd[4];
+	__le32	masksize;
+	__le32	offset;
+	__le32	patternoffset;
+	__le32	patternsize;
+	__le32	id;
+	__le32	reasonsize;
+	__le32	type;
+	/* u8 mask[] - Mask follows the structure above */
+	/* u8 pattern[] - Pattern follows the mask is at 'patternoffset' */
+};
+
+struct brcmf_mbss_ssid_le {
+	__le32	bsscfgidx;
+	__le32	SSID_len;
+	unsigned char SSID[32];
+};
+
+/**
+ * struct brcmf_fil_country_le - country configuration structure.
+ *
+ * @country_abbrev: null-terminated country code used in the country IE.
+ * @rev: revision specifier for ccode. on set, -1 indicates unspecified.
+ * @ccode: null-terminated built-in country code.
+ */
+struct brcmf_fil_country_le {
+	char country_abbrev[BRCMF_COUNTRY_BUF_SZ];
+	__le32 rev;
+	char ccode[BRCMF_COUNTRY_BUF_SZ];
+};
+
+/**
+ * struct brcmf_rev_info_le - device revision info.
+ *
+ * @vendorid: PCI vendor id.
+ * @deviceid: device id of chip.
+ * @radiorev: radio revision.
+ * @chiprev: chip revision.
+ * @corerev: core revision.
+ * @boardid: board identifier (usu. PCI sub-device id).
+ * @boardvendor: board vendor (usu. PCI sub-vendor id).
+ * @boardrev: board revision.
+ * @driverrev: driver version.
+ * @ucoderev: microcode version.
+ * @bus: bus type.
+ * @chipnum: chip number.
+ * @phytype: phy type.
+ * @phyrev: phy revision.
+ * @anarev: anacore rev.
+ * @chippkg: chip package info.
+ * @nvramrev: nvram revision number.
+ */
+struct brcmf_rev_info_le {
+	__le32 vendorid;
+	__le32 deviceid;
+	__le32 radiorev;
+	__le32 chiprev;
+	__le32 corerev;
+	__le32 boardid;
+	__le32 boardvendor;
+	__le32 boardrev;
+	__le32 driverrev;
+	__le32 ucoderev;
+	__le32 bus;
+	__le32 chipnum;
+	__le32 phytype;
+	__le32 phyrev;
+	__le32 anarev;
+	__le32 chippkg;
+	__le32 nvramrev;
+};
+
+/**
+ * struct brcmf_assoclist_le - request assoc list.
+ *
+ * @count: indicates number of stations.
+ * @mac: MAC addresses of stations.
+ */
+struct brcmf_assoclist_le {
+	__le32 count;
+	u8 mac[BRCMF_MAX_ASSOCLIST][ETH_ALEN];
+};
+
+#endif /* FWIL_TYPES_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#ifndef FWSIGNAL_H_
+#define FWSIGNAL_H_
+
+int brcmf_fws_init(struct brcmf_pub *drvr);
+void brcmf_fws_deinit(struct brcmf_pub *drvr);
+bool brcmf_fws_fc_active(struct brcmf_fws_info *fws);
+void brcmf_fws_hdrpull(struct brcmf_if *ifp, s16 siglen, struct sk_buff *skb);
+int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb);
+
+void brcmf_fws_reset_interface(struct brcmf_if *ifp);
+void brcmf_fws_add_interface(struct brcmf_if *ifp);
+void brcmf_fws_del_interface(struct brcmf_if *ifp);
+void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb);
+void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked);
+
+#endif /* FWSIGNAL_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.h

@@ -0,0 +1,47 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_MSGBUF_H
+#define BRCMFMAC_MSGBUF_H
+
+#ifdef CONFIG_BRCMFMAC_PROTO_MSGBUF
+
+#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT_MAX_ITEM	64
+#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT_MAX_ITEM	512
+#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE_MAX_ITEM	64
+#define BRCMF_D2H_MSGRING_TX_COMPLETE_MAX_ITEM		1024
+#define BRCMF_D2H_MSGRING_RX_COMPLETE_MAX_ITEM		512
+#define BRCMF_H2D_TXFLOWRING_MAX_ITEM			512
+
+#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT_ITEMSIZE	40
+#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT_ITEMSIZE	32
+#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE_ITEMSIZE	24
+#define BRCMF_D2H_MSGRING_TX_COMPLETE_ITEMSIZE		16
+#define BRCMF_D2H_MSGRING_RX_COMPLETE_ITEMSIZE		32
+#define BRCMF_H2D_TXFLOWRING_ITEMSIZE			48
+
+
+int brcmf_proto_msgbuf_rx_trigger(struct device *dev);
+void brcmf_msgbuf_delete_flowring(struct brcmf_pub *drvr, u8 flowid);
+int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr);
+void brcmf_proto_msgbuf_detach(struct brcmf_pub *drvr);
+#else
+static inline int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr)
+{
+	return 0;
+}
+static inline void brcmf_proto_msgbuf_detach(struct brcmf_pub *drvr) {}
+#endif
+
+#endif /* BRCMFMAC_MSGBUF_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/mmc/card.h>
+#include <linux/platform_data/brcmfmac-sdio.h>
+#include <linux/mmc/sdio_func.h>
+
+#include <defs.h>
+#include "debug.h"
+#include "sdio.h"
+
+void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev)
+{
+	struct device *dev = sdiodev->dev;
+	struct device_node *np = dev->of_node;
+	int irq;
+	u32 irqf;
+	u32 val;
+
+	if (!np || !of_device_is_compatible(np, "brcm,bcm4329-fmac"))
+		return;
+
+	sdiodev->pdata = devm_kzalloc(dev, sizeof(*sdiodev->pdata), GFP_KERNEL);
+	if (!sdiodev->pdata)
+		return;
+
+	if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0)
+		sdiodev->pdata->drive_strength = val;
+
+	/* make sure there are interrupts defined in the node */
+	if (!of_find_property(np, "interrupts", NULL))
+		return;
+
+	irq = irq_of_parse_and_map(np, 0);
+	if (!irq) {
+		brcmf_err("interrupt could not be mapped\n");
+		return;
+	}
+	irqf = irqd_get_trigger_type(irq_get_irq_data(irq));
+
+	sdiodev->pdata->oob_irq_supported = true;
+	sdiodev->pdata->oob_irq_nr = irq;
+	sdiodev->pdata->oob_irq_flags = irqf;
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifdef CONFIG_OF
+void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev);
+#else
+static void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev)
+{
+}
+#endif /* CONFIG_OF */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h

@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef WL_CFGP2P_H_
+#define WL_CFGP2P_H_
+
+#include <net/cfg80211.h>
+
+struct brcmf_cfg80211_info;
+
+/**
+ * enum p2p_bss_type - different type of BSS configurations.
+ *
+ * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg.
+ * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg.
+ * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg.
+ * @P2PAPI_BSSCFG_MAX: used for range checking.
+ */
+enum p2p_bss_type {
+	P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */
+	P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */
+	P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */
+	P2PAPI_BSSCFG_MAX
+};
+
+/**
+ * struct p2p_bss - peer-to-peer bss related information.
+ *
+ * @vif: virtual interface of this P2P bss.
+ * @private_data: TBD
+ */
+struct p2p_bss {
+	struct brcmf_cfg80211_vif *vif;
+	void *private_data;
+};
+
+/**
+ * enum brcmf_p2p_status - P2P specific dongle status.
+ *
+ * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle.
+ * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED?
+ * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle.
+ * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle.
+ * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle.
+ * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed.
+ * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked.
+ * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing.
+ * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel.
+ * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame.
+ * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx.
+ * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response.
+ * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active.
+ */
+enum brcmf_p2p_status {
+	BRCMF_P2P_STATUS_ENABLED,
+	BRCMF_P2P_STATUS_IF_ADD,
+	BRCMF_P2P_STATUS_IF_DEL,
+	BRCMF_P2P_STATUS_IF_DELETING,
+	BRCMF_P2P_STATUS_IF_CHANGING,
+	BRCMF_P2P_STATUS_IF_CHANGED,
+	BRCMF_P2P_STATUS_ACTION_TX_COMPLETED,
+	BRCMF_P2P_STATUS_ACTION_TX_NOACK,
+	BRCMF_P2P_STATUS_GO_NEG_PHASE,
+	BRCMF_P2P_STATUS_DISCOVER_LISTEN,
+	BRCMF_P2P_STATUS_SENDING_ACT_FRAME,
+	BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN,
+	BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME,
+	BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL
+};
+
+/**
+ * struct afx_hdl - action frame off channel storage.
+ *
+ * @afx_work: worker thread for searching channel
+ * @act_frm_scan: thread synchronizing struct.
+ * @is_active: channel searching active.
+ * @peer_chan: current channel.
+ * @is_listen: sets mode for afx worker.
+ * @my_listen_chan: this peers listen channel.
+ * @peer_listen_chan: remote peers listen channel.
+ * @tx_dst_addr: mac address where tx af should be sent to.
+ */
+struct afx_hdl {
+	struct work_struct afx_work;
+	struct completion act_frm_scan;
+	bool is_active;
+	s32 peer_chan;
+	bool is_listen;
+	u16 my_listen_chan;
+	u16 peer_listen_chan;
+	u8 tx_dst_addr[ETH_ALEN];
+};
+
+/**
+ * struct brcmf_p2p_info - p2p specific driver information.
+ *
+ * @cfg: driver private data for cfg80211 interface.
+ * @status: status of P2P (see enum brcmf_p2p_status).
+ * @dev_addr: P2P device address.
+ * @int_addr: P2P interface address.
+ * @bss_idx: informate for P2P bss types.
+ * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state.
+ * @ssid: ssid for P2P GO.
+ * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state.
+ * @remain_on_channel: contains copy of struct used by cfg80211.
+ * @remain_on_channel_cookie: cookie counter for remain on channel cmd
+ * @next_af_subtype: expected action frame subtype.
+ * @send_af_done: indication that action frame tx is complete.
+ * @afx_hdl: action frame search handler info.
+ * @af_sent_channel: channel action frame is sent.
+ * @af_tx_sent_jiffies: jiffies time when af tx was transmitted.
+ * @wait_next_af: thread synchronizing struct.
+ * @gon_req_action: about to send go negotiation requets frame.
+ * @block_gon_req_tx: drop tx go negotiation requets frame.
+ * @p2pdev_dynamically: is p2p device if created by module param or supplicant.
+ */
+struct brcmf_p2p_info {
+	struct brcmf_cfg80211_info *cfg;
+	unsigned long status;
+	u8 dev_addr[ETH_ALEN];
+	u8 int_addr[ETH_ALEN];
+	struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX];
+	struct timer_list listen_timer;
+	struct brcmf_ssid ssid;
+	u8 listen_channel;
+	struct ieee80211_channel remain_on_channel;
+	u32 remain_on_channel_cookie;
+	u8 next_af_subtype;
+	struct completion send_af_done;
+	struct afx_hdl afx_hdl;
+	u32 af_sent_channel;
+	unsigned long af_tx_sent_jiffies;
+	struct completion wait_next_af;
+	bool gon_req_action;
+	bool block_gon_req_tx;
+	bool p2pdev_dynamically;
+};
+
+s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced);
+void brcmf_p2p_detach(struct brcmf_p2p_info *p2p);
+struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
+				       unsigned char name_assign_type,
+				       enum nl80211_iftype type, u32 *flags,
+				       struct vif_params *params);
+int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev);
+int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
+		       enum brcmf_fil_p2p_if_types if_type);
+void brcmf_p2p_ifp_removed(struct brcmf_if *ifp);
+int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev);
+void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
+int brcmf_p2p_scan_prep(struct wiphy *wiphy,
+			struct cfg80211_scan_request *request,
+			struct brcmf_cfg80211_vif *vif);
+int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+				struct ieee80211_channel *channel,
+				unsigned int duration, u64 *cookie);
+int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
+				     const struct brcmf_event_msg *e,
+				     void *data);
+void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp);
+int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
+				     const struct brcmf_event_msg *e,
+				     void *data);
+int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
+					const struct brcmf_event_msg *e,
+					void *data);
+bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
+				 struct net_device *ndev,
+				 struct brcmf_fil_af_params_le *af_params);
+bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
+					   struct brcmf_bss_info_le *bi);
+s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
+					  const struct brcmf_event_msg *e,
+					  void *data);
+#endif /* WL_CFGP2P_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.h

@@ -0,0 +1,29 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_PCIE_H
+#define BRCMFMAC_PCIE_H
+
+
+struct brcmf_pciedev {
+	struct brcmf_bus *bus;
+	struct brcmf_pciedev_info *devinfo;
+};
+
+
+void brcmf_pcie_exit(void);
+void brcmf_pcie_register(void);
+
+
+#endif /* BRCMFMAC_PCIE_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+ #include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+
+#include <brcmu_wifi.h>
+#include "core.h"
+#include "bus.h"
+#include "debug.h"
+#include "proto.h"
+#include "bcdc.h"
+#include "msgbuf.h"
+
+
+int brcmf_proto_attach(struct brcmf_pub *drvr)
+{
+	struct brcmf_proto *proto;
+
+	brcmf_dbg(TRACE, "Enter\n");
+
+	proto = kzalloc(sizeof(*proto), GFP_ATOMIC);
+	if (!proto)
+		goto fail;
+
+	drvr->proto = proto;
+
+	if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) {
+		if (brcmf_proto_bcdc_attach(drvr))
+			goto fail;
+	} else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) {
+		if (brcmf_proto_msgbuf_attach(drvr))
+			goto fail;
+	} else {
+		brcmf_err("Unsupported proto type %d\n",
+			  drvr->bus_if->proto_type);
+		goto fail;
+	}
+	if ((proto->txdata == NULL) || (proto->hdrpull == NULL) ||
+	    (proto->query_dcmd == NULL) || (proto->set_dcmd == NULL) ||
+	    (proto->configure_addr_mode == NULL) ||
+	    (proto->delete_peer == NULL) || (proto->add_tdls_peer == NULL)) {
+		brcmf_err("Not all proto handlers have been installed\n");
+		goto fail;
+	}
+	return 0;
+
+fail:
+	kfree(proto);
+	drvr->proto = NULL;
+	return -ENOMEM;
+}
+
+void brcmf_proto_detach(struct brcmf_pub *drvr)
+{
+	brcmf_dbg(TRACE, "Enter\n");
+
+	if (drvr->proto) {
+		if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC)
+			brcmf_proto_bcdc_detach(drvr);
+		else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF)
+			brcmf_proto_msgbuf_detach(drvr);
+		kfree(drvr->proto);
+		drvr->proto = NULL;
+	}
+}

drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_PROTO_H
+#define BRCMFMAC_PROTO_H
+
+
+enum proto_addr_mode {
+	ADDR_INDIRECT	= 0,
+	ADDR_DIRECT
+};
+
+
+struct brcmf_proto {
+	int (*hdrpull)(struct brcmf_pub *drvr, bool do_fws,
+		       struct sk_buff *skb, struct brcmf_if **ifp);
+	int (*query_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd,
+			  void *buf, uint len);
+	int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf,
+			uint len);
+	int (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset,
+		      struct sk_buff *skb);
+	void (*configure_addr_mode)(struct brcmf_pub *drvr, int ifidx,
+				    enum proto_addr_mode addr_mode);
+	void (*delete_peer)(struct brcmf_pub *drvr, int ifidx,
+			    u8 peer[ETH_ALEN]);
+	void (*add_tdls_peer)(struct brcmf_pub *drvr, int ifidx,
+			      u8 peer[ETH_ALEN]);
+	void *pd;
+};
+
+
+int brcmf_proto_attach(struct brcmf_pub *drvr);
+void brcmf_proto_detach(struct brcmf_pub *drvr);
+
+static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws,
+				      struct sk_buff *skb,
+				      struct brcmf_if **ifp)
+{
+	struct brcmf_if *tmp = NULL;
+
+	/* assure protocol is always called with
+	 * non-null initialized pointer.
+	 */
+	if (ifp)
+		*ifp = NULL;
+	else
+		ifp = &tmp;
+	return drvr->proto->hdrpull(drvr, do_fws, skb, ifp);
+}
+static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx,
+					 uint cmd, void *buf, uint len)
+{
+	return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len);
+}
+static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx,
+				       uint cmd, void *buf, uint len)
+{
+	return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len);
+}
+static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx,
+				     u8 offset, struct sk_buff *skb)
+{
+	return drvr->proto->txdata(drvr, ifidx, offset, skb);
+}
+static inline void
+brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx,
+				enum proto_addr_mode addr_mode)
+{
+	drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode);
+}
+static inline void
+brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
+{
+	drvr->proto->delete_peer(drvr, ifidx, peer);
+}
+static inline void
+brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
+{
+	drvr->proto->add_tdls_peer(drvr, ifidx, peer);
+}
+
+
+#endif /* BRCMFMAC_PROTO_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h

@@ -0,0 +1,377 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef	BRCMFMAC_SDIO_H
+#define	BRCMFMAC_SDIO_H
+
+#include <linux/skbuff.h>
+#include <linux/firmware.h>
+#include "firmware.h"
+
+#define SDIO_FUNC_0		0
+#define SDIO_FUNC_1		1
+#define SDIO_FUNC_2		2
+
+#define SDIOD_FBR_SIZE		0x100
+
+/* io_en */
+#define SDIO_FUNC_ENABLE_1	0x02
+#define SDIO_FUNC_ENABLE_2	0x04
+
+/* io_rdys */
+#define SDIO_FUNC_READY_1	0x02
+#define SDIO_FUNC_READY_2	0x04
+
+/* intr_status */
+#define INTR_STATUS_FUNC1	0x2
+#define INTR_STATUS_FUNC2	0x4
+
+/* Maximum number of I/O funcs */
+#define SDIOD_MAX_IOFUNCS	7
+
+/* mask of register map */
+#define REG_F0_REG_MASK		0x7FF
+#define REG_F1_MISC_MASK	0x1FFFF
+
+/* as of sdiod rev 0, supports 3 functions */
+#define SBSDIO_NUM_FUNCTION		3
+
+/* function 0 vendor specific CCCR registers */
+#define SDIO_CCCR_BRCM_CARDCAP			0xf0
+#define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT	0x02
+#define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT	0x04
+#define SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC	0x08
+#define SDIO_CCCR_BRCM_CARDCTRL		0xf1
+#define SDIO_CCCR_BRCM_CARDCTRL_WLANRESET	0x02
+#define SDIO_CCCR_BRCM_SEPINT			0xf2
+
+#define  SDIO_SEPINT_MASK		0x01
+#define  SDIO_SEPINT_OE			0x02
+#define  SDIO_SEPINT_ACT_HI		0x04
+
+/* function 1 miscellaneous registers */
+
+/* sprom command and status */
+#define SBSDIO_SPROM_CS			0x10000
+/* sprom info register */
+#define SBSDIO_SPROM_INFO		0x10001
+/* sprom indirect access data byte 0 */
+#define SBSDIO_SPROM_DATA_LOW		0x10002
+/* sprom indirect access data byte 1 */
+#define SBSDIO_SPROM_DATA_HIGH		0x10003
+/* sprom indirect access addr byte 0 */
+#define SBSDIO_SPROM_ADDR_LOW		0x10004
+/* gpio select */
+#define SBSDIO_GPIO_SELECT		0x10005
+/* gpio output */
+#define SBSDIO_GPIO_OUT			0x10006
+/* gpio enable */
+#define SBSDIO_GPIO_EN			0x10007
+/* rev < 7, watermark for sdio device */
+#define SBSDIO_WATERMARK		0x10008
+/* control busy signal generation */
+#define SBSDIO_DEVICE_CTL		0x10009
+
+/* SB Address Window Low (b15) */
+#define SBSDIO_FUNC1_SBADDRLOW		0x1000A
+/* SB Address Window Mid (b23:b16) */
+#define SBSDIO_FUNC1_SBADDRMID		0x1000B
+/* SB Address Window High (b31:b24)    */
+#define SBSDIO_FUNC1_SBADDRHIGH		0x1000C
+/* Frame Control (frame term/abort) */
+#define SBSDIO_FUNC1_FRAMECTRL		0x1000D
+/* ChipClockCSR (ALP/HT ctl/status) */
+#define SBSDIO_FUNC1_CHIPCLKCSR		0x1000E
+/* SdioPullUp (on cmd, d0-d2) */
+#define SBSDIO_FUNC1_SDIOPULLUP		0x1000F
+/* Write Frame Byte Count Low */
+#define SBSDIO_FUNC1_WFRAMEBCLO		0x10019
+/* Write Frame Byte Count High */
+#define SBSDIO_FUNC1_WFRAMEBCHI		0x1001A
+/* Read Frame Byte Count Low */
+#define SBSDIO_FUNC1_RFRAMEBCLO		0x1001B
+/* Read Frame Byte Count High */
+#define SBSDIO_FUNC1_RFRAMEBCHI		0x1001C
+/* MesBusyCtl (rev 11) */
+#define SBSDIO_FUNC1_MESBUSYCTRL	0x1001D
+/* Sdio Core Rev 12 */
+#define SBSDIO_FUNC1_WAKEUPCTRL		0x1001E
+#define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK		0x1
+#define SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT	0
+#define SBSDIO_FUNC1_WCTRL_HTWAIT_MASK		0x2
+#define SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT		1
+#define SBSDIO_FUNC1_SLEEPCSR		0x1001F
+#define SBSDIO_FUNC1_SLEEPCSR_KSO_MASK		0x1
+#define SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT		0
+#define SBSDIO_FUNC1_SLEEPCSR_KSO_EN		1
+#define SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK	0x2
+#define SBSDIO_FUNC1_SLEEPCSR_DEVON_SHIFT	1
+
+#define SBSDIO_FUNC1_MISC_REG_START	0x10000	/* f1 misc register start */
+#define SBSDIO_FUNC1_MISC_REG_LIMIT	0x1001F	/* f1 misc register end */
+
+/* function 1 OCP space */
+
+/* sb offset addr is <= 15 bits, 32k */
+#define SBSDIO_SB_OFT_ADDR_MASK		0x07FFF
+#define SBSDIO_SB_OFT_ADDR_LIMIT	0x08000
+/* with b15, maps to 32-bit SB access */
+#define SBSDIO_SB_ACCESS_2_4B_FLAG	0x08000
+
+/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
+
+#define SBSDIO_SBADDRLOW_MASK		0x80	/* Valid bits in SBADDRLOW */
+#define SBSDIO_SBADDRMID_MASK		0xff	/* Valid bits in SBADDRMID */
+#define SBSDIO_SBADDRHIGH_MASK		0xffU	/* Valid bits in SBADDRHIGH */
+/* Address bits from SBADDR regs */
+#define SBSDIO_SBWINDOW_MASK		0xffff8000
+
+#define SDIOH_READ              0	/* Read request */
+#define SDIOH_WRITE             1	/* Write request */
+
+#define SDIOH_DATA_FIX          0	/* Fixed addressing */
+#define SDIOH_DATA_INC          1	/* Incremental addressing */
+
+/* internal return code */
+#define SUCCESS	0
+#define ERROR	1
+
+/* Packet alignment for most efficient SDIO (can change based on platform) */
+#define BRCMF_SDALIGN	(1 << 6)
+
+/* watchdog polling interval in ms */
+#define BRCMF_WD_POLL_MS	10
+
+/**
+ * enum brcmf_sdiod_state - the state of the bus.
+ *
+ * @BRCMF_SDIOD_DOWN: Device can be accessed, no DPC.
+ * @BRCMF_SDIOD_DATA: Ready for data transfers, DPC enabled.
+ * @BRCMF_SDIOD_NOMEDIUM: No medium access to dongle possible.
+ */
+enum brcmf_sdiod_state {
+	BRCMF_SDIOD_DOWN,
+	BRCMF_SDIOD_DATA,
+	BRCMF_SDIOD_NOMEDIUM
+};
+
+struct brcmf_sdreg {
+	int func;
+	int offset;
+	int value;
+};
+
+struct brcmf_sdio;
+struct brcmf_sdiod_freezer;
+
+struct brcmf_sdio_dev {
+	struct sdio_func *func[SDIO_MAX_FUNCS];
+	u8 num_funcs;			/* Supported funcs on client */
+	u32 sbwad;			/* Save backplane window address */
+	struct brcmf_sdio *bus;
+	struct device *dev;
+	struct brcmf_bus *bus_if;
+	struct brcmfmac_sdio_platform_data *pdata;
+	bool oob_irq_requested;
+	bool irq_en;			/* irq enable flags */
+	spinlock_t irq_en_lock;
+	bool irq_wake;			/* irq wake enable flags */
+	bool sg_support;
+	uint max_request_size;
+	ushort max_segment_count;
+	uint max_segment_size;
+	uint txglomsz;
+	struct sg_table sgtable;
+	char fw_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN];
+	char nvram_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN];
+	bool wowl_enabled;
+	enum brcmf_sdiod_state state;
+	struct brcmf_sdiod_freezer *freezer;
+};
+
+/* sdio core registers */
+struct sdpcmd_regs {
+	u32 corecontrol;		/* 0x00, rev8 */
+	u32 corestatus;			/* rev8 */
+	u32 PAD[1];
+	u32 biststatus;			/* rev8 */
+
+	/* PCMCIA access */
+	u16 pcmciamesportaladdr;	/* 0x010, rev8 */
+	u16 PAD[1];
+	u16 pcmciamesportalmask;	/* rev8 */
+	u16 PAD[1];
+	u16 pcmciawrframebc;		/* rev8 */
+	u16 PAD[1];
+	u16 pcmciaunderflowtimer;	/* rev8 */
+	u16 PAD[1];
+
+	/* interrupt */
+	u32 intstatus;			/* 0x020, rev8 */
+	u32 hostintmask;		/* rev8 */
+	u32 intmask;			/* rev8 */
+	u32 sbintstatus;		/* rev8 */
+	u32 sbintmask;			/* rev8 */
+	u32 funcintmask;		/* rev4 */
+	u32 PAD[2];
+	u32 tosbmailbox;		/* 0x040, rev8 */
+	u32 tohostmailbox;		/* rev8 */
+	u32 tosbmailboxdata;		/* rev8 */
+	u32 tohostmailboxdata;		/* rev8 */
+
+	/* synchronized access to registers in SDIO clock domain */
+	u32 sdioaccess;			/* 0x050, rev8 */
+	u32 PAD[3];
+
+	/* PCMCIA frame control */
+	u8 pcmciaframectrl;		/* 0x060, rev8 */
+	u8 PAD[3];
+	u8 pcmciawatermark;		/* rev8 */
+	u8 PAD[155];
+
+	/* interrupt batching control */
+	u32 intrcvlazy;			/* 0x100, rev8 */
+	u32 PAD[3];
+
+	/* counters */
+	u32 cmd52rd;			/* 0x110, rev8 */
+	u32 cmd52wr;			/* rev8 */
+	u32 cmd53rd;			/* rev8 */
+	u32 cmd53wr;			/* rev8 */
+	u32 abort;			/* rev8 */
+	u32 datacrcerror;		/* rev8 */
+	u32 rdoutofsync;		/* rev8 */
+	u32 wroutofsync;		/* rev8 */
+	u32 writebusy;			/* rev8 */
+	u32 readwait;			/* rev8 */
+	u32 readterm;			/* rev8 */
+	u32 writeterm;			/* rev8 */
+	u32 PAD[40];
+	u32 clockctlstatus;		/* rev8 */
+	u32 PAD[7];
+
+	u32 PAD[128];			/* DMA engines */
+
+	/* SDIO/PCMCIA CIS region */
+	char cis[512];			/* 0x400-0x5ff, rev6 */
+
+	/* PCMCIA function control registers */
+	char pcmciafcr[256];		/* 0x600-6ff, rev6 */
+	u16 PAD[55];
+
+	/* PCMCIA backplane access */
+	u16 backplanecsr;		/* 0x76E, rev6 */
+	u16 backplaneaddr0;		/* rev6 */
+	u16 backplaneaddr1;		/* rev6 */
+	u16 backplaneaddr2;		/* rev6 */
+	u16 backplaneaddr3;		/* rev6 */
+	u16 backplanedata0;		/* rev6 */
+	u16 backplanedata1;		/* rev6 */
+	u16 backplanedata2;		/* rev6 */
+	u16 backplanedata3;		/* rev6 */
+	u16 PAD[31];
+
+	/* sprom "size" & "blank" info */
+	u16 spromstatus;		/* 0x7BE, rev2 */
+	u32 PAD[464];
+
+	u16 PAD[0x80];
+};
+
+/* Register/deregister interrupt handler. */
+int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev);
+int brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev);
+
+/* sdio device register access interface */
+u8 brcmf_sdiod_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret);
+u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret);
+void brcmf_sdiod_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, u8 data,
+		       int *ret);
+void brcmf_sdiod_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, u32 data,
+		       int *ret);
+
+/* Buffer transfer to/from device (client) core via cmd53.
+ *   fn:       function number
+ *   flags:    backplane width, address increment, sync/async
+ *   buf:      pointer to memory data buffer
+ *   nbytes:   number of bytes to transfer to/from buf
+ *   pkt:      pointer to packet associated with buf (if any)
+ *   complete: callback function for command completion (async only)
+ *   handle:   handle for completion callback (first arg in callback)
+ * Returns 0 or error code.
+ * NOTE: Async operation is not currently supported.
+ */
+int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev,
+			 struct sk_buff_head *pktq);
+int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes);
+
+int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt);
+int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes);
+int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev,
+			   struct sk_buff_head *pktq, uint totlen);
+
+/* Flags bits */
+
+/* Four-byte target (backplane) width (vs. two-byte) */
+#define SDIO_REQ_4BYTE	0x1
+/* Fixed address (FIFO) (vs. incrementing address) */
+#define SDIO_REQ_FIXED	0x2
+
+/* Read/write to memory block (F1, no FIFO) via CMD53 (sync only).
+ *   rw:       read or write (0/1)
+ *   addr:     direct SDIO address
+ *   buf:      pointer to memory data buffer
+ *   nbytes:   number of bytes to transfer to/from buf
+ * Returns 0 or error code.
+ */
+int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address,
+		      u8 *data, uint size);
+
+/* Issue an abort to the specified function */
+int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn);
+void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev,
+			      enum brcmf_sdiod_state state);
+#ifdef CONFIG_PM_SLEEP
+bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev);
+void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev);
+void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev);
+void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev);
+#else
+static inline bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev)
+{
+	return false;
+}
+static inline void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev)
+{
+}
+static inline void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev)
+{
+}
+static inline void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev)
+{
+}
+#endif /* CONFIG_PM_SLEEP */
+
+struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev);
+void brcmf_sdio_remove(struct brcmf_sdio *bus);
+void brcmf_sdio_isr(struct brcmf_sdio *bus);
+
+void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick);
+void brcmf_sdio_wowl_config(struct device *dev, bool enabled);
+int brcmf_sdio_sleep(struct brcmf_sdio *bus, bool sleep);
+void brcmf_sdio_trigger_dpc(struct brcmf_sdio *bus);
+
+#endif /* BRCMFMAC_SDIO_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.c

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h> /* bug in tracepoint.h, it should include this */
+
+#ifndef __CHECKER__
+#define CREATE_TRACE_POINTS
+#include "tracepoint.h"
+
+void __brcmf_err(const char *func, const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	pr_err("%s: %pV", func, &vaf);
+	trace_brcmf_err(func, &vaf);
+	va_end(args);
+}
+
+#endif

drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.h

@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#if !defined(BRCMF_TRACEPOINT_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define BRCMF_TRACEPOINT_H_
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#ifndef CONFIG_BRCM_TRACING
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(...)
+
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(evt_class, name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+
+#endif /* CONFIG_BRCM_TRACING */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM	brcmfmac
+
+#define MAX_MSG_LEN		100
+
+TRACE_EVENT(brcmf_err,
+	TP_PROTO(const char *func, struct va_format *vaf),
+	TP_ARGS(func, vaf),
+	TP_STRUCT__entry(
+		__string(func, func)
+		__dynamic_array(char, msg, MAX_MSG_LEN)
+	),
+	TP_fast_assign(
+		__assign_str(func, func);
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+				       MAX_MSG_LEN, vaf->fmt,
+				       *vaf->va) >= MAX_MSG_LEN);
+	),
+	TP_printk("%s: %s", __get_str(func), __get_str(msg))
+);
+
+TRACE_EVENT(brcmf_dbg,
+	TP_PROTO(u32 level, const char *func, struct va_format *vaf),
+	TP_ARGS(level, func, vaf),
+	TP_STRUCT__entry(
+		__field(u32, level)
+		__string(func, func)
+		__dynamic_array(char, msg, MAX_MSG_LEN)
+	),
+	TP_fast_assign(
+		__entry->level = level;
+		__assign_str(func, func);
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+				       MAX_MSG_LEN, vaf->fmt,
+				       *vaf->va) >= MAX_MSG_LEN);
+	),
+	TP_printk("%s: %s", __get_str(func), __get_str(msg))
+);
+
+TRACE_EVENT(brcmf_hexdump,
+	TP_PROTO(void *data, size_t len),
+	TP_ARGS(data, len),
+	TP_STRUCT__entry(
+		__field(unsigned long, len)
+		__field(unsigned long, addr)
+		__dynamic_array(u8, hdata, len)
+	),
+	TP_fast_assign(
+		__entry->len = len;
+		__entry->addr = (unsigned long)data;
+		memcpy(__get_dynamic_array(hdata), data, len);
+	),
+	TP_printk("hexdump [addr=%lx, length=%lu]", __entry->addr, __entry->len)
+);
+
+TRACE_EVENT(brcmf_bcdchdr,
+	TP_PROTO(void *data),
+	TP_ARGS(data),
+	TP_STRUCT__entry(
+		__field(u8, flags)
+		__field(u8, prio)
+		__field(u8, flags2)
+		__field(u32, siglen)
+		__dynamic_array(u8, signal, *((u8 *)data + 3) * 4)
+	),
+	TP_fast_assign(
+		__entry->flags = *(u8 *)data;
+		__entry->prio = *((u8 *)data + 1);
+		__entry->flags2 = *((u8 *)data + 2);
+		__entry->siglen = *((u8 *)data + 3) * 4;
+		memcpy(__get_dynamic_array(signal),
+		       (u8 *)data + 4, __entry->siglen);
+	),
+	TP_printk("bcdc: prio=%d siglen=%d", __entry->prio, __entry->siglen)
+);
+
+#ifndef SDPCM_RX
+#define SDPCM_RX	0
+#endif
+#ifndef SDPCM_TX
+#define SDPCM_TX	1
+#endif
+#ifndef SDPCM_GLOM
+#define SDPCM_GLOM	2
+#endif
+
+TRACE_EVENT(brcmf_sdpcm_hdr,
+	TP_PROTO(u8 dir, void *data),
+	TP_ARGS(dir, data),
+	TP_STRUCT__entry(
+		__field(u8, dir)
+		__field(u16, len)
+		__dynamic_array(u8, hdr, dir == SDPCM_GLOM ? 20 : 12)
+	),
+	TP_fast_assign(
+		memcpy(__get_dynamic_array(hdr), data, dir == SDPCM_GLOM ? 20 : 12);
+		__entry->len = *(u8 *)data | (*((u8 *)data + 1) << 8);
+		__entry->dir = dir;
+	),
+	TP_printk("sdpcm: %s len %u, seq %d",
+		  __entry->dir == SDPCM_RX ? "RX" : "TX",
+		  __entry->len, ((u8 *)__get_dynamic_array(hdr))[4])
+);
+
+#ifdef CONFIG_BRCM_TRACING
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE tracepoint
+
+#include <trace/define_trace.h>
+
+#endif /* CONFIG_BRCM_TRACING */
+
+#endif /* BRCMF_TRACEPOINT_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_USB_H
+#define BRCMFMAC_USB_H
+
+enum brcmf_usb_state {
+	BRCMFMAC_USB_STATE_DOWN,
+	BRCMFMAC_USB_STATE_DL_FAIL,
+	BRCMFMAC_USB_STATE_DL_DONE,
+	BRCMFMAC_USB_STATE_UP,
+	BRCMFMAC_USB_STATE_SLEEP
+};
+
+struct brcmf_stats {
+	u32 tx_ctlpkts;
+	u32 tx_ctlerrs;
+	u32 rx_ctlpkts;
+	u32 rx_ctlerrs;
+};
+
+struct brcmf_usbdev {
+	struct brcmf_bus *bus;
+	struct brcmf_usbdev_info *devinfo;
+	enum brcmf_usb_state state;
+	struct brcmf_stats stats;
+	int ntxq, nrxq, rxsize;
+	u32 bus_mtu;
+	int devid;
+	int chiprev; /* chip revsion number */
+};
+
+/* IO Request Block (IRB) */
+struct brcmf_usbreq {
+	struct list_head list;
+	struct brcmf_usbdev_info *devinfo;
+	struct urb *urb;
+	struct sk_buff  *skb;
+};
+
+#endif /* BRCMFMAC_USB_H */

drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c

@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/vmalloc.h>
+#include <net/cfg80211.h>
+#include <net/netlink.h>
+
+#include <brcmu_wifi.h>
+#include "fwil_types.h"
+#include "core.h"
+#include "p2p.h"
+#include "debug.h"
+#include "cfg80211.h"
+#include "vendor.h"
+#include "fwil.h"
+
+static int brcmf_cfg80211_vndr_cmds_dcmd_handler(struct wiphy *wiphy,
+						 struct wireless_dev *wdev,
+						 const void *data, int len)
+{
+	struct brcmf_cfg80211_vif *vif;
+	struct brcmf_if *ifp;
+	const struct brcmf_vndr_dcmd_hdr *cmdhdr = data;
+	struct sk_buff *reply;
+	int ret, payload, ret_len;
+	void *dcmd_buf = NULL, *wr_pointer;
+	u16 msglen, maxmsglen = PAGE_SIZE - 0x100;
+
+	if (len < sizeof(*cmdhdr)) {
+		brcmf_err("vendor command too short: %d\n", len);
+		return -EINVAL;
+	}
+
+	vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+	ifp = vif->ifp;
+
+	brcmf_dbg(TRACE, "ifidx=%d, cmd=%d\n", ifp->ifidx, cmdhdr->cmd);
+
+	if (cmdhdr->offset > len) {
+		brcmf_err("bad buffer offset %d > %d\n", cmdhdr->offset, len);
+		return -EINVAL;
+	}
+
+	len -= cmdhdr->offset;
+	ret_len = cmdhdr->len;
+	if (ret_len > 0 || len > 0) {
+		if (len > BRCMF_DCMD_MAXLEN) {
+			brcmf_err("oversize input buffer %d\n", len);
+			len = BRCMF_DCMD_MAXLEN;
+		}
+		if (ret_len > BRCMF_DCMD_MAXLEN) {
+			brcmf_err("oversize return buffer %d\n", ret_len);
+			ret_len = BRCMF_DCMD_MAXLEN;
+		}
+		payload = max(ret_len, len) + 1;
+		dcmd_buf = vzalloc(payload);
+		if (NULL == dcmd_buf)
+			return -ENOMEM;
+
+		memcpy(dcmd_buf, (void *)cmdhdr + cmdhdr->offset, len);
+		*(char *)(dcmd_buf + len)  = '\0';
+	}
+
+	if (cmdhdr->set)
+		ret = brcmf_fil_cmd_data_set(ifp, cmdhdr->cmd, dcmd_buf,
+					     ret_len);
+	else
+		ret = brcmf_fil_cmd_data_get(ifp, cmdhdr->cmd, dcmd_buf,
+					     ret_len);
+	if (ret != 0)
+		goto exit;
+
+	wr_pointer = dcmd_buf;
+	while (ret_len > 0) {
+		msglen = ret_len > maxmsglen ? maxmsglen : ret_len;
+		ret_len -= msglen;
+		payload = msglen + sizeof(msglen);
+		reply = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, payload);
+		if (NULL == reply) {
+			ret = -ENOMEM;
+			break;
+		}
+
+		if (nla_put(reply, BRCMF_NLATTR_DATA, msglen, wr_pointer) ||
+		    nla_put_u16(reply, BRCMF_NLATTR_LEN, msglen)) {
+			kfree_skb(reply);
+			ret = -ENOBUFS;
+			break;
+		}
+
+		ret = cfg80211_vendor_cmd_reply(reply);
+		if (ret)
+			break;
+
+		wr_pointer += msglen;
+	}
+
+exit:
+	vfree(dcmd_buf);
+
+	return ret;
+}
+
+const struct wiphy_vendor_command brcmf_vendor_cmds[] = {
+	{
+		{
+			.vendor_id = BROADCOM_OUI,
+			.subcmd = BRCMF_VNDR_CMDS_DCMD
+		},
+		.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
+			 WIPHY_VENDOR_CMD_NEED_NETDEV,
+		.doit = brcmf_cfg80211_vndr_cmds_dcmd_handler
+	},
+};

drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _vendor_h_
+#define _vendor_h_
+
+#define BROADCOM_OUI	0x001018
+
+enum brcmf_vndr_cmds {
+	BRCMF_VNDR_CMDS_UNSPEC,
+	BRCMF_VNDR_CMDS_DCMD,
+	BRCMF_VNDR_CMDS_LAST
+};
+
+/**
+ * enum brcmf_nlattrs - nl80211 message attributes
+ *
+ * @BRCMF_NLATTR_LEN: message body length
+ * @BRCMF_NLATTR_DATA: message body
+ */
+enum brcmf_nlattrs {
+	BRCMF_NLATTR_UNSPEC,
+
+	BRCMF_NLATTR_LEN,
+	BRCMF_NLATTR_DATA,
+
+	__BRCMF_NLATTR_AFTER_LAST,
+	BRCMF_NLATTR_MAX = __BRCMF_NLATTR_AFTER_LAST - 1
+};
+
+/**
+ * struct brcmf_vndr_dcmd_hdr - message header for cfg80211 vendor command dcmd
+ *				support
+ *
+ * @cmd: common dongle cmd definition
+ * @len: length of expecting return buffer
+ * @offset: offset of data buffer
+ * @set: get or set request(optional)
+ * @magic: magic number for verification
+ */
+struct brcmf_vndr_dcmd_hdr {
+	uint cmd;
+	int len;
+	uint offset;
+	uint set;
+	uint magic;
+};
+
+extern const struct wiphy_vendor_command brcmf_vendor_cmds[];
+
+#endif /* _vendor_h_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/Makefile

@@ -0,0 +1,48 @@
+#
+# Makefile fragment for Broadcom 802.11n Networking Device Driver
+#
+# Copyright (c) 2010 Broadcom Corporation
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ccflags-y := \
+	-D__CHECK_ENDIAN__ \
+	-Idrivers/net/wireless/broadcom/brcm80211/brcmsmac \
+	-Idrivers/net/wireless/broadcom/brcm80211/brcmsmac/phy \
+	-Idrivers/net/wireless/broadcom/brcm80211/include
+
+brcmsmac-y := \
+	mac80211_if.o \
+	ucode_loader.o \
+	ampdu.o \
+	antsel.o \
+	channel.o \
+	main.o \
+	phy_shim.o \
+	pmu.o \
+	rate.o \
+	stf.o \
+	aiutils.o \
+	phy/phy_cmn.o \
+	phy/phy_lcn.o \
+	phy/phy_n.o \
+	phy/phytbl_lcn.o \
+	phy/phytbl_n.o \
+	phy/phy_qmath.o \
+	dma.o \
+	brcms_trace_events.o \
+	debug.o
+
+brcmsmac-$(CONFIG_BCMA_DRIVER_GPIO) += led.o
+
+obj-$(CONFIG_BRCMSMAC)	+= brcmsmac.o

drivers/net/wireless/broadcom/brcm80211/brcmsmac/aiutils.c

@@ -0,0 +1,710 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * File contents: support functions for PCI/PCIe
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/delay.h>
+
+#include <defs.h>
+#include <chipcommon.h>
+#include <brcmu_utils.h>
+#include <brcm_hw_ids.h>
+#include <soc.h>
+#include "types.h"
+#include "pub.h"
+#include "pmu.h"
+#include "aiutils.h"
+
+/* slow_clk_ctl */
+ /* slow clock source mask */
+#define SCC_SS_MASK		0x00000007
+ /* source of slow clock is LPO */
+#define	SCC_SS_LPO		0x00000000
+ /* source of slow clock is crystal */
+#define	SCC_SS_XTAL		0x00000001
+ /* source of slow clock is PCI */
+#define	SCC_SS_PCI		0x00000002
+ /* LPOFreqSel, 1: 160Khz, 0: 32KHz */
+#define SCC_LF			0x00000200
+ /* LPOPowerDown, 1: LPO is disabled, 0: LPO is enabled */
+#define SCC_LP			0x00000400
+ /* ForceSlowClk, 1: sb/cores running on slow clock, 0: power logic control */
+#define SCC_FS			0x00000800
+ /* IgnorePllOffReq, 1/0:
+  *  power logic ignores/honors PLL clock disable requests from core
+  */
+#define SCC_IP			0x00001000
+ /* XtalControlEn, 1/0:
+  *  power logic does/doesn't disable crystal when appropriate
+  */
+#define SCC_XC			0x00002000
+ /* XtalPU (RO), 1/0: crystal running/disabled */
+#define SCC_XP			0x00004000
+ /* ClockDivider (SlowClk = 1/(4+divisor)) */
+#define SCC_CD_MASK		0xffff0000
+#define SCC_CD_SHIFT		16
+
+/* system_clk_ctl */
+ /* ILPen: Enable Idle Low Power */
+#define	SYCC_IE			0x00000001
+ /* ALPen: Enable Active Low Power */
+#define	SYCC_AE			0x00000002
+ /* ForcePLLOn */
+#define	SYCC_FP			0x00000004
+ /* Force ALP (or HT if ALPen is not set */
+#define	SYCC_AR			0x00000008
+ /* Force HT */
+#define	SYCC_HR			0x00000010
+ /* ClkDiv  (ILP = 1/(4 * (divisor + 1)) */
+#define SYCC_CD_MASK		0xffff0000
+#define SYCC_CD_SHIFT		16
+
+#define CST4329_SPROM_OTP_SEL_MASK	0x00000003
+ /* OTP is powered up, use def. CIS, no SPROM */
+#define CST4329_DEFCIS_SEL		0
+ /* OTP is powered up, SPROM is present */
+#define CST4329_SPROM_SEL		1
+ /* OTP is powered up, no SPROM */
+#define CST4329_OTP_SEL			2
+ /* OTP is powered down, SPROM is present */
+#define CST4329_OTP_PWRDN		3
+
+#define CST4329_SPI_SDIO_MODE_MASK	0x00000004
+#define CST4329_SPI_SDIO_MODE_SHIFT	2
+
+/* 43224 chip-specific ChipControl register bits */
+#define CCTRL43224_GPIO_TOGGLE          0x8000
+ /* 12 mA drive strength */
+#define CCTRL_43224A0_12MA_LED_DRIVE    0x00F000F0
+ /* 12 mA drive strength for later 43224s */
+#define CCTRL_43224B0_12MA_LED_DRIVE    0xF0
+
+/* 43236 Chip specific ChipStatus register bits */
+#define CST43236_SFLASH_MASK		0x00000040
+#define CST43236_OTP_MASK		0x00000080
+#define CST43236_HSIC_MASK		0x00000100	/* USB/HSIC */
+#define CST43236_BP_CLK			0x00000200	/* 120/96Mbps */
+#define CST43236_BOOT_MASK		0x00001800
+#define CST43236_BOOT_SHIFT		11
+#define CST43236_BOOT_FROM_SRAM		0 /* boot from SRAM, ARM in reset */
+#define CST43236_BOOT_FROM_ROM		1 /* boot from ROM */
+#define CST43236_BOOT_FROM_FLASH	2 /* boot from FLASH */
+#define CST43236_BOOT_FROM_INVALID	3
+
+/* 4331 chip-specific ChipControl register bits */
+ /* 0 disable */
+#define CCTRL4331_BT_COEXIST		(1<<0)
+ /* 0 SECI is disabled (JTAG functional) */
+#define CCTRL4331_SECI			(1<<1)
+ /* 0 disable */
+#define CCTRL4331_EXT_LNA		(1<<2)
+ /* sprom/gpio13-15 mux */
+#define CCTRL4331_SPROM_GPIO13_15       (1<<3)
+ /* 0 ext pa disable, 1 ext pa enabled */
+#define CCTRL4331_EXTPA_EN		(1<<4)
+ /* set drive out GPIO_CLK on sprom_cs pin */
+#define CCTRL4331_GPIOCLK_ON_SPROMCS	(1<<5)
+ /* use sprom_cs pin as PCIE mdio interface */
+#define CCTRL4331_PCIE_MDIO_ON_SPROMCS	(1<<6)
+ /* aband extpa will be at gpio2/5 and sprom_dout */
+#define CCTRL4331_EXTPA_ON_GPIO2_5	(1<<7)
+ /* override core control on pipe_AuxClkEnable */
+#define CCTRL4331_OVR_PIPEAUXCLKEN	(1<<8)
+ /* override core control on pipe_AuxPowerDown */
+#define CCTRL4331_OVR_PIPEAUXPWRDOWN	(1<<9)
+ /* pcie_auxclkenable */
+#define CCTRL4331_PCIE_AUXCLKEN		(1<<10)
+ /* pcie_pipe_pllpowerdown */
+#define CCTRL4331_PCIE_PIPE_PLLDOWN	(1<<11)
+ /* enable bt_shd0 at gpio4 */
+#define CCTRL4331_BT_SHD0_ON_GPIO4	(1<<16)
+ /* enable bt_shd1 at gpio5 */
+#define CCTRL4331_BT_SHD1_ON_GPIO5	(1<<17)
+
+/* 4331 Chip specific ChipStatus register bits */
+ /* crystal frequency 20/40Mhz */
+#define	CST4331_XTAL_FREQ		0x00000001
+#define	CST4331_SPROM_PRESENT		0x00000002
+#define	CST4331_OTP_PRESENT		0x00000004
+#define	CST4331_LDO_RF			0x00000008
+#define	CST4331_LDO_PAR			0x00000010
+
+/* 4319 chip-specific ChipStatus register bits */
+#define	CST4319_SPI_CPULESSUSB		0x00000001
+#define	CST4319_SPI_CLK_POL		0x00000002
+#define	CST4319_SPI_CLK_PH		0x00000008
+ /* gpio [7:6], SDIO CIS selection */
+#define	CST4319_SPROM_OTP_SEL_MASK	0x000000c0
+#define	CST4319_SPROM_OTP_SEL_SHIFT	6
+ /* use default CIS, OTP is powered up */
+#define	CST4319_DEFCIS_SEL		0x00000000
+ /* use SPROM, OTP is powered up */
+#define	CST4319_SPROM_SEL		0x00000040
+ /* use OTP, OTP is powered up */
+#define	CST4319_OTP_SEL			0x00000080
+ /* use SPROM, OTP is powered down */
+#define	CST4319_OTP_PWRDN		0x000000c0
+ /* gpio [8], sdio/usb mode */
+#define	CST4319_SDIO_USB_MODE		0x00000100
+#define	CST4319_REMAP_SEL_MASK		0x00000600
+#define	CST4319_ILPDIV_EN		0x00000800
+#define	CST4319_XTAL_PD_POL		0x00001000
+#define	CST4319_LPO_SEL			0x00002000
+#define	CST4319_RES_INIT_MODE		0x0000c000
+ /* PALDO is configured with external PNP */
+#define	CST4319_PALDO_EXTPNP		0x00010000
+#define	CST4319_CBUCK_MODE_MASK		0x00060000
+#define CST4319_CBUCK_MODE_BURST	0x00020000
+#define CST4319_CBUCK_MODE_LPBURST	0x00060000
+#define	CST4319_RCAL_VALID		0x01000000
+#define	CST4319_RCAL_VALUE_MASK		0x3e000000
+#define	CST4319_RCAL_VALUE_SHIFT	25
+
+/* 4336 chip-specific ChipStatus register bits */
+#define	CST4336_SPI_MODE_MASK		0x00000001
+#define	CST4336_SPROM_PRESENT		0x00000002
+#define	CST4336_OTP_PRESENT		0x00000004
+#define	CST4336_ARMREMAP_0		0x00000008
+#define	CST4336_ILPDIV_EN_MASK		0x00000010
+#define	CST4336_ILPDIV_EN_SHIFT		4
+#define	CST4336_XTAL_PD_POL_MASK	0x00000020
+#define	CST4336_XTAL_PD_POL_SHIFT	5
+#define	CST4336_LPO_SEL_MASK		0x00000040
+#define	CST4336_LPO_SEL_SHIFT		6
+#define	CST4336_RES_INIT_MODE_MASK	0x00000180
+#define	CST4336_RES_INIT_MODE_SHIFT	7
+#define	CST4336_CBUCK_MODE_MASK		0x00000600
+#define	CST4336_CBUCK_MODE_SHIFT	9
+
+/* 4313 chip-specific ChipStatus register bits */
+#define	CST4313_SPROM_PRESENT			1
+#define	CST4313_OTP_PRESENT			2
+#define	CST4313_SPROM_OTP_SEL_MASK		0x00000002
+#define	CST4313_SPROM_OTP_SEL_SHIFT		0
+
+/* 4313 Chip specific ChipControl register bits */
+ /* 12 mA drive strengh for later 4313 */
+#define CCTRL_4313_12MA_LED_DRIVE    0x00000007
+
+/* Manufacturer Ids */
+#define	MFGID_ARM		0x43b
+#define	MFGID_BRCM		0x4bf
+#define	MFGID_MIPS		0x4a7
+
+/* Enumeration ROM registers */
+#define	ER_EROMENTRY		0x000
+#define	ER_REMAPCONTROL		0xe00
+#define	ER_REMAPSELECT		0xe04
+#define	ER_MASTERSELECT		0xe10
+#define	ER_ITCR			0xf00
+#define	ER_ITIP			0xf04
+
+/* Erom entries */
+#define	ER_TAG			0xe
+#define	ER_TAG1			0x6
+#define	ER_VALID		1
+#define	ER_CI			0
+#define	ER_MP			2
+#define	ER_ADD			4
+#define	ER_END			0xe
+#define	ER_BAD			0xffffffff
+
+/* EROM CompIdentA */
+#define	CIA_MFG_MASK		0xfff00000
+#define	CIA_MFG_SHIFT		20
+#define	CIA_CID_MASK		0x000fff00
+#define	CIA_CID_SHIFT		8
+#define	CIA_CCL_MASK		0x000000f0
+#define	CIA_CCL_SHIFT		4
+
+/* EROM CompIdentB */
+#define	CIB_REV_MASK		0xff000000
+#define	CIB_REV_SHIFT		24
+#define	CIB_NSW_MASK		0x00f80000
+#define	CIB_NSW_SHIFT		19
+#define	CIB_NMW_MASK		0x0007c000
+#define	CIB_NMW_SHIFT		14
+#define	CIB_NSP_MASK		0x00003e00
+#define	CIB_NSP_SHIFT		9
+#define	CIB_NMP_MASK		0x000001f0
+#define	CIB_NMP_SHIFT		4
+
+/* EROM AddrDesc */
+#define	AD_ADDR_MASK		0xfffff000
+#define	AD_SP_MASK		0x00000f00
+#define	AD_SP_SHIFT		8
+#define	AD_ST_MASK		0x000000c0
+#define	AD_ST_SHIFT		6
+#define	AD_ST_SLAVE		0x00000000
+#define	AD_ST_BRIDGE		0x00000040
+#define	AD_ST_SWRAP		0x00000080
+#define	AD_ST_MWRAP		0x000000c0
+#define	AD_SZ_MASK		0x00000030
+#define	AD_SZ_SHIFT		4
+#define	AD_SZ_4K		0x00000000
+#define	AD_SZ_8K		0x00000010
+#define	AD_SZ_16K		0x00000020
+#define	AD_SZ_SZD		0x00000030
+#define	AD_AG32			0x00000008
+#define	AD_ADDR_ALIGN		0x00000fff
+#define	AD_SZ_BASE		0x00001000	/* 4KB */
+
+/* EROM SizeDesc */
+#define	SD_SZ_MASK		0xfffff000
+#define	SD_SG32			0x00000008
+#define	SD_SZ_ALIGN		0x00000fff
+
+/* PCI config space bit 4 for 4306c0 slow clock source */
+#define	PCI_CFG_GPIO_SCS	0x10
+/* PCI config space GPIO 14 for Xtal power-up */
+#define PCI_CFG_GPIO_XTAL	0x40
+/* PCI config space GPIO 15 for PLL power-down */
+#define PCI_CFG_GPIO_PLL	0x80
+
+/* power control defines */
+#define PLL_DELAY		150	/* us pll on delay */
+#define FREF_DELAY		200	/* us fref change delay */
+#define	XTAL_ON_DELAY		1000	/* us crystal power-on delay */
+
+/* resetctrl */
+#define	AIRC_RESET		1
+
+#define	NOREV		-1	/* Invalid rev */
+
+/* GPIO Based LED powersave defines */
+#define DEFAULT_GPIO_ONTIME	10	/* Default: 10% on */
+#define DEFAULT_GPIO_OFFTIME	90	/* Default: 10% on */
+
+/* When Srom support present, fields in sromcontrol */
+#define	SRC_START		0x80000000
+#define	SRC_BUSY		0x80000000
+#define	SRC_OPCODE		0x60000000
+#define	SRC_OP_READ		0x00000000
+#define	SRC_OP_WRITE		0x20000000
+#define	SRC_OP_WRDIS		0x40000000
+#define	SRC_OP_WREN		0x60000000
+#define	SRC_OTPSEL		0x00000010
+#define	SRC_LOCK		0x00000008
+#define	SRC_SIZE_MASK		0x00000006
+#define	SRC_SIZE_1K		0x00000000
+#define	SRC_SIZE_4K		0x00000002
+#define	SRC_SIZE_16K		0x00000004
+#define	SRC_SIZE_SHIFT		1
+#define	SRC_PRESENT		0x00000001
+
+/* External PA enable mask */
+#define GPIO_CTRL_EPA_EN_MASK 0x40
+
+#define DEFAULT_GPIOTIMERVAL \
+	((DEFAULT_GPIO_ONTIME << GPIO_ONTIME_SHIFT) | DEFAULT_GPIO_OFFTIME)
+
+#define	BADIDX		(SI_MAXCORES + 1)
+
+#define	IS_SIM(chippkg)	\
+	((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID))
+
+#define	GOODCOREADDR(x, b) \
+	(((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \
+		IS_ALIGNED((x), SI_CORE_SIZE))
+
+struct aidmp {
+	u32 oobselina30;	/* 0x000 */
+	u32 oobselina74;	/* 0x004 */
+	u32 PAD[6];
+	u32 oobselinb30;	/* 0x020 */
+	u32 oobselinb74;	/* 0x024 */
+	u32 PAD[6];
+	u32 oobselinc30;	/* 0x040 */
+	u32 oobselinc74;	/* 0x044 */
+	u32 PAD[6];
+	u32 oobselind30;	/* 0x060 */
+	u32 oobselind74;	/* 0x064 */
+	u32 PAD[38];
+	u32 oobselouta30;	/* 0x100 */
+	u32 oobselouta74;	/* 0x104 */
+	u32 PAD[6];
+	u32 oobseloutb30;	/* 0x120 */
+	u32 oobseloutb74;	/* 0x124 */
+	u32 PAD[6];
+	u32 oobseloutc30;	/* 0x140 */
+	u32 oobseloutc74;	/* 0x144 */
+	u32 PAD[6];
+	u32 oobseloutd30;	/* 0x160 */
+	u32 oobseloutd74;	/* 0x164 */
+	u32 PAD[38];
+	u32 oobsynca;	/* 0x200 */
+	u32 oobseloutaen;	/* 0x204 */
+	u32 PAD[6];
+	u32 oobsyncb;	/* 0x220 */
+	u32 oobseloutben;	/* 0x224 */
+	u32 PAD[6];
+	u32 oobsyncc;	/* 0x240 */
+	u32 oobseloutcen;	/* 0x244 */
+	u32 PAD[6];
+	u32 oobsyncd;	/* 0x260 */
+	u32 oobseloutden;	/* 0x264 */
+	u32 PAD[38];
+	u32 oobaextwidth;	/* 0x300 */
+	u32 oobainwidth;	/* 0x304 */
+	u32 oobaoutwidth;	/* 0x308 */
+	u32 PAD[5];
+	u32 oobbextwidth;	/* 0x320 */
+	u32 oobbinwidth;	/* 0x324 */
+	u32 oobboutwidth;	/* 0x328 */
+	u32 PAD[5];
+	u32 oobcextwidth;	/* 0x340 */
+	u32 oobcinwidth;	/* 0x344 */
+	u32 oobcoutwidth;	/* 0x348 */
+	u32 PAD[5];
+	u32 oobdextwidth;	/* 0x360 */
+	u32 oobdinwidth;	/* 0x364 */
+	u32 oobdoutwidth;	/* 0x368 */
+	u32 PAD[37];
+	u32 ioctrlset;	/* 0x400 */
+	u32 ioctrlclear;	/* 0x404 */
+	u32 ioctrl;		/* 0x408 */
+	u32 PAD[61];
+	u32 iostatus;	/* 0x500 */
+	u32 PAD[127];
+	u32 ioctrlwidth;	/* 0x700 */
+	u32 iostatuswidth;	/* 0x704 */
+	u32 PAD[62];
+	u32 resetctrl;	/* 0x800 */
+	u32 resetstatus;	/* 0x804 */
+	u32 resetreadid;	/* 0x808 */
+	u32 resetwriteid;	/* 0x80c */
+	u32 PAD[60];
+	u32 errlogctrl;	/* 0x900 */
+	u32 errlogdone;	/* 0x904 */
+	u32 errlogstatus;	/* 0x908 */
+	u32 errlogaddrlo;	/* 0x90c */
+	u32 errlogaddrhi;	/* 0x910 */
+	u32 errlogid;	/* 0x914 */
+	u32 errloguser;	/* 0x918 */
+	u32 errlogflags;	/* 0x91c */
+	u32 PAD[56];
+	u32 intstatus;	/* 0xa00 */
+	u32 PAD[127];
+	u32 config;		/* 0xe00 */
+	u32 PAD[63];
+	u32 itcr;		/* 0xf00 */
+	u32 PAD[3];
+	u32 itipooba;	/* 0xf10 */
+	u32 itipoobb;	/* 0xf14 */
+	u32 itipoobc;	/* 0xf18 */
+	u32 itipoobd;	/* 0xf1c */
+	u32 PAD[4];
+	u32 itipoobaout;	/* 0xf30 */
+	u32 itipoobbout;	/* 0xf34 */
+	u32 itipoobcout;	/* 0xf38 */
+	u32 itipoobdout;	/* 0xf3c */
+	u32 PAD[4];
+	u32 itopooba;	/* 0xf50 */
+	u32 itopoobb;	/* 0xf54 */
+	u32 itopoobc;	/* 0xf58 */
+	u32 itopoobd;	/* 0xf5c */
+	u32 PAD[4];
+	u32 itopoobain;	/* 0xf70 */
+	u32 itopoobbin;	/* 0xf74 */
+	u32 itopoobcin;	/* 0xf78 */
+	u32 itopoobdin;	/* 0xf7c */
+	u32 PAD[4];
+	u32 itopreset;	/* 0xf90 */
+	u32 PAD[15];
+	u32 peripherialid4;	/* 0xfd0 */
+	u32 peripherialid5;	/* 0xfd4 */
+	u32 peripherialid6;	/* 0xfd8 */
+	u32 peripherialid7;	/* 0xfdc */
+	u32 peripherialid0;	/* 0xfe0 */
+	u32 peripherialid1;	/* 0xfe4 */
+	u32 peripherialid2;	/* 0xfe8 */
+	u32 peripherialid3;	/* 0xfec */
+	u32 componentid0;	/* 0xff0 */
+	u32 componentid1;	/* 0xff4 */
+	u32 componentid2;	/* 0xff8 */
+	u32 componentid3;	/* 0xffc */
+};
+
+static bool
+ai_buscore_setup(struct si_info *sii, struct bcma_device *cc)
+{
+	/* no cores found, bail out */
+	if (cc->bus->nr_cores == 0)
+		return false;
+
+	/* get chipcommon rev */
+	sii->pub.ccrev = cc->id.rev;
+
+	/* get chipcommon chipstatus */
+	sii->chipst = bcma_read32(cc, CHIPCREGOFFS(chipstatus));
+
+	/* get chipcommon capabilites */
+	sii->pub.cccaps = bcma_read32(cc, CHIPCREGOFFS(capabilities));
+
+	/* get pmu rev and caps */
+	if (ai_get_cccaps(&sii->pub) & CC_CAP_PMU) {
+		sii->pub.pmucaps = bcma_read32(cc,
+					       CHIPCREGOFFS(pmucapabilities));
+		sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK;
+	}
+
+	return true;
+}
+
+static struct si_info *ai_doattach(struct si_info *sii,
+				   struct bcma_bus *pbus)
+{
+	struct si_pub *sih = &sii->pub;
+	struct bcma_device *cc;
+
+	sii->icbus = pbus;
+	sii->pcibus = pbus->host_pci;
+
+	/* switch to Chipcommon core */
+	cc = pbus->drv_cc.core;
+
+	sih->chip = pbus->chipinfo.id;
+	sih->chiprev = pbus->chipinfo.rev;
+	sih->chippkg = pbus->chipinfo.pkg;
+	sih->boardvendor = pbus->boardinfo.vendor;
+	sih->boardtype = pbus->boardinfo.type;
+
+	if (!ai_buscore_setup(sii, cc))
+		goto exit;
+
+	/* === NVRAM, clock is ready === */
+	bcma_write32(cc, CHIPCREGOFFS(gpiopullup), 0);
+	bcma_write32(cc, CHIPCREGOFFS(gpiopulldown), 0);
+
+	/* PMU specific initializations */
+	if (ai_get_cccaps(sih) & CC_CAP_PMU) {
+		(void)si_pmu_measure_alpclk(sih);
+	}
+
+	return sii;
+
+ exit:
+
+	return NULL;
+}
+
+/*
+ * Allocate a si handle and do the attach.
+ */
+struct si_pub *
+ai_attach(struct bcma_bus *pbus)
+{
+	struct si_info *sii;
+
+	/* alloc struct si_info */
+	sii = kzalloc(sizeof(struct si_info), GFP_ATOMIC);
+	if (sii == NULL)
+		return NULL;
+
+	if (ai_doattach(sii, pbus) == NULL) {
+		kfree(sii);
+		return NULL;
+	}
+
+	return (struct si_pub *) sii;
+}
+
+/* may be called with core in reset */
+void ai_detach(struct si_pub *sih)
+{
+	struct si_info *sii;
+
+	sii = container_of(sih, struct si_info, pub);
+
+	if (sii == NULL)
+		return;
+
+	kfree(sii);
+}
+
+/*
+ * read/modify chipcommon core register.
+ */
+uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val)
+{
+	struct bcma_device *cc;
+	u32 w;
+	struct si_info *sii;
+
+	sii = container_of(sih, struct si_info, pub);
+	cc = sii->icbus->drv_cc.core;
+
+	/* mask and set */
+	if (mask || val)
+		bcma_maskset32(cc, regoff, ~mask, val);
+
+	/* readback */
+	w = bcma_read32(cc, regoff);
+
+	return w;
+}
+
+/* return the slow clock source - LPO, XTAL, or PCI */
+static uint ai_slowclk_src(struct si_pub *sih, struct bcma_device *cc)
+{
+	return SCC_SS_XTAL;
+}
+
+/*
+* return the ILP (slowclock) min or max frequency
+* precondition: we've established the chip has dynamic clk control
+*/
+static uint ai_slowclk_freq(struct si_pub *sih, bool max_freq,
+			    struct bcma_device *cc)
+{
+	uint div;
+
+	/* Chipc rev 10 is InstaClock */
+	div = bcma_read32(cc, CHIPCREGOFFS(system_clk_ctl));
+	div = 4 * ((div >> SYCC_CD_SHIFT) + 1);
+	return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div);
+}
+
+static void
+ai_clkctl_setdelay(struct si_pub *sih, struct bcma_device *cc)
+{
+	uint slowmaxfreq, pll_delay, slowclk;
+	uint pll_on_delay, fref_sel_delay;
+
+	pll_delay = PLL_DELAY;
+
+	/*
+	 * If the slow clock is not sourced by the xtal then
+	 * add the xtal_on_delay since the xtal will also be
+	 * powered down by dynamic clk control logic.
+	 */
+
+	slowclk = ai_slowclk_src(sih, cc);
+	if (slowclk != SCC_SS_XTAL)
+		pll_delay += XTAL_ON_DELAY;
+
+	/* Starting with 4318 it is ILP that is used for the delays */
+	slowmaxfreq =
+	    ai_slowclk_freq(sih, false, cc);
+
+	pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000;
+	fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000;
+
+	bcma_write32(cc, CHIPCREGOFFS(pll_on_delay), pll_on_delay);
+	bcma_write32(cc, CHIPCREGOFFS(fref_sel_delay), fref_sel_delay);
+}
+
+/* initialize power control delay registers */
+void ai_clkctl_init(struct si_pub *sih)
+{
+	struct si_info *sii = container_of(sih, struct si_info, pub);
+	struct bcma_device *cc;
+
+	if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL))
+		return;
+
+	cc = sii->icbus->drv_cc.core;
+	if (cc == NULL)
+		return;
+
+	/* set all Instaclk chip ILP to 1 MHz */
+	bcma_maskset32(cc, CHIPCREGOFFS(system_clk_ctl), SYCC_CD_MASK,
+		       (ILP_DIV_1MHZ << SYCC_CD_SHIFT));
+
+	ai_clkctl_setdelay(sih, cc);
+}
+
+/*
+ * return the value suitable for writing to the
+ * dot11 core FAST_PWRUP_DELAY register
+ */
+u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih)
+{
+	struct si_info *sii;
+	struct bcma_device *cc;
+	uint slowminfreq;
+	u16 fpdelay;
+
+	sii = container_of(sih, struct si_info, pub);
+	if (ai_get_cccaps(sih) & CC_CAP_PMU) {
+		fpdelay = si_pmu_fast_pwrup_delay(sih);
+		return fpdelay;
+	}
+
+	if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL))
+		return 0;
+
+	fpdelay = 0;
+	cc = sii->icbus->drv_cc.core;
+	if (cc) {
+		slowminfreq = ai_slowclk_freq(sih, false, cc);
+		fpdelay = (((bcma_read32(cc, CHIPCREGOFFS(pll_on_delay)) + 2)
+			    * 1000000) + (slowminfreq - 1)) / slowminfreq;
+	}
+	return fpdelay;
+}
+
+/*
+ *  clock control policy function throught chipcommon
+ *
+ *    set dynamic clk control mode (forceslow, forcefast, dynamic)
+ *    returns true if we are forcing fast clock
+ *    this is a wrapper over the next internal function
+ *      to allow flexible policy settings for outside caller
+ */
+bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode)
+{
+	struct si_info *sii;
+	struct bcma_device *cc;
+
+	sii = container_of(sih, struct si_info, pub);
+
+	cc = sii->icbus->drv_cc.core;
+	bcma_core_set_clockmode(cc, mode);
+	return mode == BCMA_CLKMODE_FAST;
+}
+
+/* Enable BT-COEX & Ex-PA for 4313 */
+void ai_epa_4313war(struct si_pub *sih)
+{
+	struct si_info *sii = container_of(sih, struct si_info, pub);
+	struct bcma_device *cc;
+
+	cc = sii->icbus->drv_cc.core;
+
+	/* EPA Fix */
+	bcma_set32(cc, CHIPCREGOFFS(gpiocontrol), GPIO_CTRL_EPA_EN_MASK);
+}
+
+/* check if the device is removed */
+bool ai_deviceremoved(struct si_pub *sih)
+{
+	u32 w = 0;
+	struct si_info *sii;
+
+	sii = container_of(sih, struct si_info, pub);
+
+	if (sii->icbus->hosttype != BCMA_HOSTTYPE_PCI)
+		return false;
+
+	pci_read_config_dword(sii->pcibus, PCI_VENDOR_ID, &w);
+	if ((w & 0xFFFF) != PCI_VENDOR_ID_BROADCOM)
+		return true;
+
+	return false;
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/aiutils.h

@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef	_BRCM_AIUTILS_H_
+#define	_BRCM_AIUTILS_H_
+
+#include <linux/bcma/bcma.h>
+
+#include "types.h"
+
+/*
+ * SOC Interconnect Address Map.
+ * All regions may not exist on all chips.
+ */
+/* each core gets 4Kbytes for registers */
+#define SI_CORE_SIZE		0x1000
+/*
+ * Max cores (this is arbitrary, for software
+ * convenience and could be changed if we
+ * make any larger chips
+ */
+#define	SI_MAXCORES		16
+
+/* Client Mode sb2pcitranslation2 size in bytes */
+#define SI_PCI_DMA_SZ		0x40000000
+
+/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */
+#define SI_PCIE_DMA_H32		0x80000000
+
+/* chipcommon being the first core: */
+#define	SI_CC_IDX		0
+
+/* SOC Interconnect types (aka chip types) */
+#define	SOCI_AI			1
+
+/* A register that is common to all cores to
+ * communicate w/PMU regarding clock control.
+ */
+#define SI_CLK_CTL_ST		0x1e0	/* clock control and status */
+
+/* clk_ctl_st register */
+#define	CCS_FORCEALP		0x00000001	/* force ALP request */
+#define	CCS_FORCEHT		0x00000002	/* force HT request */
+#define	CCS_FORCEILP		0x00000004	/* force ILP request */
+#define	CCS_ALPAREQ		0x00000008	/* ALP Avail Request */
+#define	CCS_HTAREQ		0x00000010	/* HT Avail Request */
+#define	CCS_FORCEHWREQOFF	0x00000020	/* Force HW Clock Request Off */
+#define CCS_ERSRC_REQ_MASK	0x00000700	/* external resource requests */
+#define CCS_ERSRC_REQ_SHIFT	8
+#define	CCS_ALPAVAIL		0x00010000	/* ALP is available */
+#define	CCS_HTAVAIL		0x00020000	/* HT is available */
+#define CCS_BP_ON_APL		0x00040000	/* RO: running on ALP clock */
+#define CCS_BP_ON_HT		0x00080000	/* RO: running on HT clock */
+#define CCS_ERSRC_STS_MASK	0x07000000	/* external resource status */
+#define CCS_ERSRC_STS_SHIFT	24
+
+/* HT avail in chipc and pcmcia on 4328a0 */
+#define	CCS0_HTAVAIL		0x00010000
+/* ALP avail in chipc and pcmcia on 4328a0 */
+#define	CCS0_ALPAVAIL		0x00020000
+
+/* Not really related to SOC Interconnect, but a couple of software
+ * conventions for the use the flash space:
+ */
+
+/* Minumum amount of flash we support */
+#define FLASH_MIN		0x00020000	/* Minimum flash size */
+
+#define	CC_SROM_OTP		0x800	/* SROM/OTP address space */
+
+/* gpiotimerval */
+#define GPIO_ONTIME_SHIFT	16
+
+/* Fields in clkdiv */
+#define	CLKD_OTP		0x000f0000
+#define	CLKD_OTP_SHIFT		16
+
+/* dynamic clock control defines */
+#define	LPOMINFREQ		25000	/* low power oscillator min */
+#define	LPOMAXFREQ		43000	/* low power oscillator max */
+#define	XTALMINFREQ		19800000	/* 20 MHz - 1% */
+#define	XTALMAXFREQ		20200000	/* 20 MHz + 1% */
+#define	PCIMINFREQ		25000000	/* 25 MHz */
+#define	PCIMAXFREQ		34000000	/* 33 MHz + fudge */
+
+#define	ILP_DIV_5MHZ		0	/* ILP = 5 MHz */
+#define	ILP_DIV_1MHZ		4	/* ILP = 1 MHz */
+
+/* clkctl xtal what flags */
+#define	XTAL			0x1	/* primary crystal oscillator (2050) */
+#define	PLL			0x2	/* main chip pll */
+
+/* GPIO usage priorities */
+#define GPIO_DRV_PRIORITY	0	/* Driver */
+#define GPIO_APP_PRIORITY	1	/* Application */
+#define GPIO_HI_PRIORITY	2	/* Highest priority. Ignore GPIO
+					 * reservation
+					 */
+
+/* GPIO pull up/down */
+#define GPIO_PULLUP		0
+#define GPIO_PULLDN		1
+
+/* GPIO event regtype */
+#define GPIO_REGEVT		0	/* GPIO register event */
+#define GPIO_REGEVT_INTMSK	1	/* GPIO register event int mask */
+#define GPIO_REGEVT_INTPOL	2	/* GPIO register event int polarity */
+
+/* device path */
+#define SI_DEVPATH_BUFSZ	16	/* min buffer size in bytes */
+
+/* SI routine enumeration: to be used by update function with multiple hooks */
+#define	SI_DOATTACH	1
+#define SI_PCIDOWN	2
+#define SI_PCIUP	3
+
+/*
+ * Data structure to export all chip specific common variables
+ *   public (read-only) portion of aiutils handle returned by si_attach()
+ */
+struct si_pub {
+	int ccrev;		/* chip common core rev */
+	u32 cccaps;		/* chip common capabilities */
+	int pmurev;		/* pmu core rev */
+	u32 pmucaps;		/* pmu capabilities */
+	uint boardtype;		/* board type */
+	uint boardvendor;	/* board vendor */
+	uint chip;		/* chip number */
+	uint chiprev;		/* chip revision */
+	uint chippkg;		/* chip package option */
+};
+
+struct pci_dev;
+
+struct gpioh_item {
+	void *arg;
+	bool level;
+	void (*handler) (u32 stat, void *arg);
+	u32 event;
+	struct gpioh_item *next;
+};
+
+/* misc si info needed by some of the routines */
+struct si_info {
+	struct si_pub pub;	/* back plane public state (must be first) */
+	struct bcma_bus *icbus;	/* handle to soc interconnect bus */
+	struct pci_dev *pcibus;	/* handle to pci bus */
+
+	u32 chipst;		/* chip status */
+};
+
+/*
+ * Many of the routines below take an 'sih' handle as their first arg.
+ * Allocate this by calling si_attach().  Free it by calling si_detach().
+ * At any one time, the sih is logically focused on one particular si core
+ * (the "current core").
+ * Use si_setcore() or si_setcoreidx() to change the association to another core
+ */
+
+
+/* AMBA Interconnect exported externs */
+u32 ai_core_cflags(struct bcma_device *core, u32 mask, u32 val);
+
+/* === exported functions === */
+struct si_pub *ai_attach(struct bcma_bus *pbus);
+void ai_detach(struct si_pub *sih);
+uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val);
+void ai_clkctl_init(struct si_pub *sih);
+u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih);
+bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode);
+bool ai_deviceremoved(struct si_pub *sih);
+
+/* Enable Ex-PA for 4313 */
+void ai_epa_4313war(struct si_pub *sih);
+
+static inline u32 ai_get_cccaps(struct si_pub *sih)
+{
+	return sih->cccaps;
+}
+
+static inline int ai_get_pmurev(struct si_pub *sih)
+{
+	return sih->pmurev;
+}
+
+static inline u32 ai_get_pmucaps(struct si_pub *sih)
+{
+	return sih->pmucaps;
+}
+
+static inline uint ai_get_boardtype(struct si_pub *sih)
+{
+	return sih->boardtype;
+}
+
+static inline uint ai_get_boardvendor(struct si_pub *sih)
+{
+	return sih->boardvendor;
+}
+
+static inline uint ai_get_chip_id(struct si_pub *sih)
+{
+	return sih->chip;
+}
+
+static inline uint ai_get_chiprev(struct si_pub *sih)
+{
+	return sih->chiprev;
+}
+
+static inline uint ai_get_chippkg(struct si_pub *sih)
+{
+	return sih->chippkg;
+}
+
+#endif				/* _BRCM_AIUTILS_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_AMPDU_H_
+#define _BRCM_AMPDU_H_
+
+/*
+ * Data structure representing an in-progress session for accumulating
+ * frames for AMPDU.
+ *
+ * wlc: pointer to common driver data
+ * skb_list: queue of skb's for AMPDU
+ * max_ampdu_len: maximum length for this AMPDU
+ * max_ampdu_frames: maximum number of frames for this AMPDU
+ * ampdu_len: total number of bytes accumulated for this AMPDU
+ * dma_len: DMA length of this AMPDU
+ */
+struct brcms_ampdu_session {
+	struct brcms_c_info *wlc;
+	struct sk_buff_head skb_list;
+	unsigned max_ampdu_len;
+	u16 max_ampdu_frames;
+	u16 ampdu_len;
+	u16 dma_len;
+};
+
+void brcms_c_ampdu_reset_session(struct brcms_ampdu_session *session,
+				 struct brcms_c_info *wlc);
+int brcms_c_ampdu_add_frame(struct brcms_ampdu_session *session,
+			    struct sk_buff *p);
+void brcms_c_ampdu_finalize(struct brcms_ampdu_session *session);
+
+struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc);
+void brcms_c_ampdu_detach(struct ampdu_info *ampdu);
+void brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb,
+			      struct sk_buff *p, struct tx_status *txs);
+void brcms_c_ampdu_macaddr_upd(struct brcms_c_info *wlc);
+void brcms_c_ampdu_shm_upd(struct ampdu_info *ampdu);
+
+#endif				/* _BRCM_AMPDU_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/antsel.c

@@ -0,0 +1,309 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/slab.h>
+#include <net/mac80211.h>
+
+#include "types.h"
+#include "main.h"
+#include "phy_shim.h"
+#include "antsel.h"
+#include "debug.h"
+
+#define ANT_SELCFG_AUTO		0x80	/* bit indicates antenna sel AUTO */
+#define ANT_SELCFG_MASK		0x33	/* antenna configuration mask */
+#define ANT_SELCFG_TX_UNICAST	0	/* unicast tx antenna configuration */
+#define ANT_SELCFG_RX_UNICAST	1	/* unicast rx antenna configuration */
+#define ANT_SELCFG_TX_DEF	2	/* default tx antenna configuration */
+#define ANT_SELCFG_RX_DEF	3	/* default rx antenna configuration */
+
+/* useful macros */
+#define BRCMS_ANTSEL_11N_0(ant)	((((ant) & ANT_SELCFG_MASK) >> 4) & 0xf)
+#define BRCMS_ANTSEL_11N_1(ant)	(((ant) & ANT_SELCFG_MASK) & 0xf)
+#define BRCMS_ANTIDX_11N(ant)	(((BRCMS_ANTSEL_11N_0(ant)) << 2) +\
+				(BRCMS_ANTSEL_11N_1(ant)))
+#define BRCMS_ANT_ISAUTO_11N(ant) (((ant) & ANT_SELCFG_AUTO) == ANT_SELCFG_AUTO)
+#define BRCMS_ANTSEL_11N(ant)	((ant) & ANT_SELCFG_MASK)
+
+/* antenna switch */
+/* defines for no boardlevel antenna diversity */
+#define ANT_SELCFG_DEF_2x2	0x01	/* default antenna configuration */
+
+/* 2x3 antdiv defines and tables for GPIO communication */
+#define ANT_SELCFG_NUM_2x3	3
+#define ANT_SELCFG_DEF_2x3	0x01	/* default antenna configuration */
+
+/* 2x4 antdiv rev4 defines and tables for GPIO communication */
+#define ANT_SELCFG_NUM_2x4	4
+#define ANT_SELCFG_DEF_2x4	0x02	/* default antenna configuration */
+
+static const u16 mimo_2x4_div_antselpat_tbl[] = {
+	0, 0, 0x9, 0xa,		/* ant0: 0 ant1: 2,3 */
+	0, 0, 0x5, 0x6,		/* ant0: 1 ant1: 2,3 */
+	0, 0, 0, 0,		/* n.a.              */
+	0, 0, 0, 0		/* n.a.              */
+};
+
+static const u8 mimo_2x4_div_antselid_tbl[16] = {
+	0, 0, 0, 0, 0, 2, 3, 0,
+	0, 0, 1, 0, 0, 0, 0, 0	/* pat to antselid */
+};
+
+static const u16 mimo_2x3_div_antselpat_tbl[] = {
+	16, 0, 1, 16,		/* ant0: 0 ant1: 1,2 */
+	16, 16, 16, 16,		/* n.a.              */
+	16, 2, 16, 16,		/* ant0: 2 ant1: 1   */
+	16, 16, 16, 16		/* n.a.              */
+};
+
+static const u8 mimo_2x3_div_antselid_tbl[16] = {
+	0, 1, 2, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0	/* pat to antselid */
+};
+
+/* boardlevel antenna selection: init antenna selection structure */
+static void
+brcms_c_antsel_init_cfg(struct antsel_info *asi, struct brcms_antselcfg *antsel,
+		    bool auto_sel)
+{
+	if (asi->antsel_type == ANTSEL_2x3) {
+		u8 antcfg_def = ANT_SELCFG_DEF_2x3 |
+		    ((asi->antsel_avail && auto_sel) ? ANT_SELCFG_AUTO : 0);
+		antsel->ant_config[ANT_SELCFG_TX_DEF] = antcfg_def;
+		antsel->ant_config[ANT_SELCFG_TX_UNICAST] = antcfg_def;
+		antsel->ant_config[ANT_SELCFG_RX_DEF] = antcfg_def;
+		antsel->ant_config[ANT_SELCFG_RX_UNICAST] = antcfg_def;
+		antsel->num_antcfg = ANT_SELCFG_NUM_2x3;
+
+	} else if (asi->antsel_type == ANTSEL_2x4) {
+
+		antsel->ant_config[ANT_SELCFG_TX_DEF] = ANT_SELCFG_DEF_2x4;
+		antsel->ant_config[ANT_SELCFG_TX_UNICAST] = ANT_SELCFG_DEF_2x4;
+		antsel->ant_config[ANT_SELCFG_RX_DEF] = ANT_SELCFG_DEF_2x4;
+		antsel->ant_config[ANT_SELCFG_RX_UNICAST] = ANT_SELCFG_DEF_2x4;
+		antsel->num_antcfg = ANT_SELCFG_NUM_2x4;
+
+	} else {		/* no antenna selection available */
+
+		antsel->ant_config[ANT_SELCFG_TX_DEF] = ANT_SELCFG_DEF_2x2;
+		antsel->ant_config[ANT_SELCFG_TX_UNICAST] = ANT_SELCFG_DEF_2x2;
+		antsel->ant_config[ANT_SELCFG_RX_DEF] = ANT_SELCFG_DEF_2x2;
+		antsel->ant_config[ANT_SELCFG_RX_UNICAST] = ANT_SELCFG_DEF_2x2;
+		antsel->num_antcfg = 0;
+	}
+}
+
+struct antsel_info *brcms_c_antsel_attach(struct brcms_c_info *wlc)
+{
+	struct antsel_info *asi;
+	struct ssb_sprom *sprom = &wlc->hw->d11core->bus->sprom;
+
+	asi = kzalloc(sizeof(struct antsel_info), GFP_ATOMIC);
+	if (!asi)
+		return NULL;
+
+	asi->wlc = wlc;
+	asi->pub = wlc->pub;
+	asi->antsel_type = ANTSEL_NA;
+	asi->antsel_avail = false;
+	asi->antsel_antswitch = sprom->antswitch;
+
+	if ((asi->pub->sromrev >= 4) && (asi->antsel_antswitch != 0)) {
+		switch (asi->antsel_antswitch) {
+		case ANTSWITCH_TYPE_1:
+		case ANTSWITCH_TYPE_2:
+		case ANTSWITCH_TYPE_3:
+			/* 4321/2 board with 2x3 switch logic */
+			asi->antsel_type = ANTSEL_2x3;
+			/* Antenna selection availability */
+			if ((sprom->ant_available_bg == 7) ||
+			    (sprom->ant_available_a == 7)) {
+				asi->antsel_avail = true;
+			} else if (
+				sprom->ant_available_bg == 3 ||
+				sprom->ant_available_a == 3) {
+				asi->antsel_avail = false;
+			} else {
+				asi->antsel_avail = false;
+				brcms_err(wlc->hw->d11core,
+					  "antsel_attach: 2o3 "
+					  "board cfg invalid\n");
+			}
+
+			break;
+		default:
+			break;
+		}
+	} else if ((asi->pub->sromrev == 4) &&
+		   (sprom->ant_available_bg == 7) &&
+		   (sprom->ant_available_a == 0)) {
+		/* hack to match old 4321CB2 cards with 2of3 antenna switch */
+		asi->antsel_type = ANTSEL_2x3;
+		asi->antsel_avail = true;
+	} else if (asi->pub->boardflags2 & BFL2_2X4_DIV) {
+		asi->antsel_type = ANTSEL_2x4;
+		asi->antsel_avail = true;
+	}
+
+	/* Set the antenna selection type for the low driver */
+	brcms_b_antsel_type_set(wlc->hw, asi->antsel_type);
+
+	/* Init (auto/manual) antenna selection */
+	brcms_c_antsel_init_cfg(asi, &asi->antcfg_11n, true);
+	brcms_c_antsel_init_cfg(asi, &asi->antcfg_cur, true);
+
+	return asi;
+}
+
+void brcms_c_antsel_detach(struct antsel_info *asi)
+{
+	kfree(asi);
+}
+
+/*
+ * boardlevel antenna selection:
+ *   convert ant_cfg to mimo_antsel (ucode interface)
+ */
+static u16 brcms_c_antsel_antcfg2antsel(struct antsel_info *asi, u8 ant_cfg)
+{
+	u8 idx = BRCMS_ANTIDX_11N(BRCMS_ANTSEL_11N(ant_cfg));
+	u16 mimo_antsel = 0;
+
+	if (asi->antsel_type == ANTSEL_2x4) {
+		/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
+		mimo_antsel = (mimo_2x4_div_antselpat_tbl[idx] & 0xf);
+		return mimo_antsel;
+
+	} else if (asi->antsel_type == ANTSEL_2x3) {
+		/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
+		mimo_antsel = (mimo_2x3_div_antselpat_tbl[idx] & 0xf);
+		return mimo_antsel;
+	}
+
+	return mimo_antsel;
+}
+
+/* boardlevel antenna selection: ucode interface control */
+static int brcms_c_antsel_cfgupd(struct antsel_info *asi,
+				 struct brcms_antselcfg *antsel)
+{
+	struct brcms_c_info *wlc = asi->wlc;
+	u8 ant_cfg;
+	u16 mimo_antsel;
+
+	/* 1) Update TX antconfig for all frames that are not unicast data
+	 *    (aka default TX)
+	 */
+	ant_cfg = antsel->ant_config[ANT_SELCFG_TX_DEF];
+	mimo_antsel = brcms_c_antsel_antcfg2antsel(asi, ant_cfg);
+	brcms_b_write_shm(wlc->hw, M_MIMO_ANTSEL_TXDFLT, mimo_antsel);
+	/*
+	 * Update driver stats for currently selected
+	 * default tx/rx antenna config
+	 */
+	asi->antcfg_cur.ant_config[ANT_SELCFG_TX_DEF] = ant_cfg;
+
+	/* 2) Update RX antconfig for all frames that are not unicast data
+	 *    (aka default RX)
+	 */
+	ant_cfg = antsel->ant_config[ANT_SELCFG_RX_DEF];
+	mimo_antsel = brcms_c_antsel_antcfg2antsel(asi, ant_cfg);
+	brcms_b_write_shm(wlc->hw, M_MIMO_ANTSEL_RXDFLT, mimo_antsel);
+	/*
+	 * Update driver stats for currently selected
+	 * default tx/rx antenna config
+	 */
+	asi->antcfg_cur.ant_config[ANT_SELCFG_RX_DEF] = ant_cfg;
+
+	return 0;
+}
+
+void brcms_c_antsel_init(struct antsel_info *asi)
+{
+	if ((asi->antsel_type == ANTSEL_2x3) ||
+	    (asi->antsel_type == ANTSEL_2x4))
+		brcms_c_antsel_cfgupd(asi, &asi->antcfg_11n);
+}
+
+/* boardlevel antenna selection: convert id to ant_cfg */
+static u8 brcms_c_antsel_id2antcfg(struct antsel_info *asi, u8 id)
+{
+	u8 antcfg = ANT_SELCFG_DEF_2x2;
+
+	if (asi->antsel_type == ANTSEL_2x4) {
+		/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
+		antcfg = (((id & 0x2) << 3) | ((id & 0x1) + 2));
+		return antcfg;
+
+	} else if (asi->antsel_type == ANTSEL_2x3) {
+		/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
+		antcfg = (((id & 0x02) << 4) | ((id & 0x1) + 1));
+		return antcfg;
+	}
+
+	return antcfg;
+}
+
+void
+brcms_c_antsel_antcfg_get(struct antsel_info *asi, bool usedef, bool sel,
+		      u8 antselid, u8 fbantselid, u8 *antcfg,
+		      u8 *fbantcfg)
+{
+	u8 ant;
+
+	/* if use default, assign it and return */
+	if (usedef) {
+		*antcfg = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_DEF];
+		*fbantcfg = *antcfg;
+		return;
+	}
+
+	if (!sel) {
+		*antcfg = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
+		*fbantcfg = *antcfg;
+
+	} else {
+		ant = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
+		if ((ant & ANT_SELCFG_AUTO) == ANT_SELCFG_AUTO) {
+			*antcfg = brcms_c_antsel_id2antcfg(asi, antselid);
+			*fbantcfg = brcms_c_antsel_id2antcfg(asi, fbantselid);
+		} else {
+			*antcfg =
+			    asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
+			*fbantcfg = *antcfg;
+		}
+	}
+	return;
+}
+
+/* boardlevel antenna selection: convert mimo_antsel (ucode interface) to id */
+u8 brcms_c_antsel_antsel2id(struct antsel_info *asi, u16 antsel)
+{
+	u8 antselid = 0;
+
+	if (asi->antsel_type == ANTSEL_2x4) {
+		/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
+		antselid = mimo_2x4_div_antselid_tbl[(antsel & 0xf)];
+		return antselid;
+
+	} else if (asi->antsel_type == ANTSEL_2x3) {
+		/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
+		antselid = mimo_2x3_div_antselid_tbl[(antsel & 0xf)];
+		return antselid;
+	}
+
+	return antselid;
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/antsel.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_ANTSEL_H_
+#define _BRCM_ANTSEL_H_
+
+struct antsel_info *brcms_c_antsel_attach(struct brcms_c_info *wlc);
+void brcms_c_antsel_detach(struct antsel_info *asi);
+void brcms_c_antsel_init(struct antsel_info *asi);
+void brcms_c_antsel_antcfg_get(struct antsel_info *asi, bool usedef, bool sel,
+			       u8 id, u8 fbid, u8 *antcfg, u8 *fbantcfg);
+u8 brcms_c_antsel_antsel2id(struct antsel_info *asi, u16 antsel);
+
+#endif /* _BRCM_ANTSEL_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_brcmsmac.h

@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(__TRACE_BRCMSMAC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __TRACE_BRCMSMAC_H
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM brcmsmac
+
+/*
+ * We define a tracepoint, its arguments, its printk format and its
+ * 'fast binary record' layout.
+ */
+TRACE_EVENT(brcms_timer,
+	/* TPPROTO is the prototype of the function called by this tracepoint */
+	TP_PROTO(struct brcms_timer *t),
+	/*
+	 * TPARGS(firstarg, p) are the parameters names, same as found in the
+	 * prototype.
+	 */
+	TP_ARGS(t),
+	/*
+	 * Fast binary tracing: define the trace record via TP_STRUCT__entry().
+	 * You can think about it like a regular C structure local variable
+	 * definition.
+	 */
+	TP_STRUCT__entry(
+		__field(uint, ms)
+		__field(uint, set)
+		__field(uint, periodic)
+	),
+	TP_fast_assign(
+		__entry->ms = t->ms;
+		__entry->set = t->set;
+		__entry->periodic = t->periodic;
+	),
+	TP_printk(
+		"ms=%u set=%u periodic=%u",
+		__entry->ms, __entry->set, __entry->periodic
+	)
+);
+
+TRACE_EVENT(brcms_dpc,
+	TP_PROTO(unsigned long data),
+	TP_ARGS(data),
+	TP_STRUCT__entry(
+		__field(unsigned long, data)
+	),
+	TP_fast_assign(
+		__entry->data = data;
+	),
+	TP_printk(
+		"data=%p",
+		(void *)__entry->data
+	)
+);
+
+TRACE_EVENT(brcms_macintstatus,
+	TP_PROTO(const struct device *dev, int in_isr, u32 macintstatus,
+		 u32 mask),
+	TP_ARGS(dev, in_isr, macintstatus, mask),
+	TP_STRUCT__entry(
+		__string(dev, dev_name(dev))
+		__field(int, in_isr)
+		__field(u32, macintstatus)
+		__field(u32, mask)
+	),
+	TP_fast_assign(
+		__assign_str(dev, dev_name(dev));
+		__entry->in_isr = in_isr;
+		__entry->macintstatus = macintstatus;
+		__entry->mask = mask;
+	),
+	TP_printk("[%s] in_isr=%d macintstatus=%#x mask=%#x", __get_str(dev),
+		  __entry->in_isr, __entry->macintstatus, __entry->mask)
+);
+#endif /* __TRACE_BRCMSMAC_H */
+
+#ifdef CONFIG_BRCM_TRACING
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE brcms_trace_brcmsmac
+#include <trace/define_trace.h>
+
+#endif /* CONFIG_BRCM_TRACING */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_brcmsmac_msg.h

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(__TRACE_BRCMSMAC_MSG_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __TRACE_BRCMSMAC_MSG_H
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM brcmsmac_msg
+
+#define MAX_MSG_LEN	100
+
+DECLARE_EVENT_CLASS(brcms_msg_event,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf),
+	TP_STRUCT__entry(
+		__dynamic_array(char, msg, MAX_MSG_LEN)
+	),
+	TP_fast_assign(
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+				       MAX_MSG_LEN, vaf->fmt,
+				       *vaf->va) >= MAX_MSG_LEN);
+	),
+	TP_printk("%s", __get_str(msg))
+);
+
+DEFINE_EVENT(brcms_msg_event, brcms_info,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(brcms_msg_event, brcms_warn,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(brcms_msg_event, brcms_err,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(brcms_msg_event, brcms_crit,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf)
+);
+
+TRACE_EVENT(brcms_dbg,
+	TP_PROTO(u32 level, const char *func, struct va_format *vaf),
+	TP_ARGS(level, func, vaf),
+	TP_STRUCT__entry(
+		__field(u32, level)
+		__string(func, func)
+		__dynamic_array(char, msg, MAX_MSG_LEN)
+	),
+	TP_fast_assign(
+		__entry->level = level;
+		__assign_str(func, func);
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+				       MAX_MSG_LEN, vaf->fmt,
+				       *vaf->va) >= MAX_MSG_LEN);
+	),
+	TP_printk("%s: %s", __get_str(func), __get_str(msg))
+);
+#endif /* __TRACE_BRCMSMAC_MSG_H */
+
+#ifdef CONFIG_BRCM_TRACING
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE brcms_trace_brcmsmac_msg
+#include <trace/define_trace.h>
+
+#endif /* CONFIG_BRCM_TRACING */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_brcmsmac_tx.h

@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(__TRACE_BRCMSMAC_TX_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __TRACE_BRCMSMAC_TX_H
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM brcmsmac_tx
+
+TRACE_EVENT(brcms_txdesc,
+	TP_PROTO(const struct device *dev,
+		 void *txh, size_t txh_len),
+	TP_ARGS(dev, txh, txh_len),
+	TP_STRUCT__entry(
+		__string(dev, dev_name(dev))
+		__dynamic_array(u8, txh, txh_len)
+	),
+	TP_fast_assign(
+		__assign_str(dev, dev_name(dev));
+		memcpy(__get_dynamic_array(txh), txh, txh_len);
+	),
+	TP_printk("[%s] txdesc", __get_str(dev))
+);
+
+TRACE_EVENT(brcms_txstatus,
+	TP_PROTO(const struct device *dev, u16 framelen, u16 frameid,
+		 u16 status, u16 lasttxtime, u16 sequence, u16 phyerr,
+		 u16 ackphyrxsh),
+	TP_ARGS(dev, framelen, frameid, status, lasttxtime, sequence, phyerr,
+		ackphyrxsh),
+	TP_STRUCT__entry(
+		__string(dev, dev_name(dev))
+		__field(u16, framelen)
+		__field(u16, frameid)
+		__field(u16, status)
+		__field(u16, lasttxtime)
+		__field(u16, sequence)
+		__field(u16, phyerr)
+		__field(u16, ackphyrxsh)
+	),
+	TP_fast_assign(
+		__assign_str(dev, dev_name(dev));
+		__entry->framelen = framelen;
+		__entry->frameid = frameid;
+		__entry->status = status;
+		__entry->lasttxtime = lasttxtime;
+		__entry->sequence = sequence;
+		__entry->phyerr = phyerr;
+		__entry->ackphyrxsh = ackphyrxsh;
+	),
+	TP_printk("[%s] FrameId %#04x TxStatus %#04x LastTxTime %#04x "
+		  "Seq %#04x PHYTxStatus %#04x RxAck %#04x",
+		  __get_str(dev), __entry->frameid, __entry->status,
+		  __entry->lasttxtime, __entry->sequence, __entry->phyerr,
+		  __entry->ackphyrxsh)
+);
+
+TRACE_EVENT(brcms_ampdu_session,
+	TP_PROTO(const struct device *dev, unsigned max_ampdu_len,
+		 u16 max_ampdu_frames, u16 ampdu_len, u16 ampdu_frames,
+		 u16 dma_len),
+	TP_ARGS(dev, max_ampdu_len, max_ampdu_frames, ampdu_len, ampdu_frames,
+		dma_len),
+	TP_STRUCT__entry(
+		__string(dev, dev_name(dev))
+		__field(unsigned, max_ampdu_len)
+		__field(u16, max_ampdu_frames)
+		__field(u16, ampdu_len)
+		__field(u16, ampdu_frames)
+		__field(u16, dma_len)
+	),
+	TP_fast_assign(
+		__assign_str(dev, dev_name(dev));
+		__entry->max_ampdu_len = max_ampdu_len;
+		__entry->max_ampdu_frames = max_ampdu_frames;
+		__entry->ampdu_len = ampdu_len;
+		__entry->ampdu_frames = ampdu_frames;
+		__entry->dma_len = dma_len;
+	),
+	TP_printk("[%s] ampdu session max_len=%u max_frames=%u len=%u frames=%u dma_len=%u",
+		  __get_str(dev), __entry->max_ampdu_len,
+		  __entry->max_ampdu_frames, __entry->ampdu_len,
+		  __entry->ampdu_frames, __entry->dma_len)
+);
+#endif /* __TRACE_BRCMSMAC_TX_H */
+
+#ifdef CONFIG_BRCM_TRACING
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE brcms_trace_brcmsmac_tx
+#include <trace/define_trace.h>
+
+#endif /* CONFIG_BRCM_TRACING */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_events.c

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h> /* bug in tracepoint.h, it should include this */
+
+#ifndef __CHECKER__
+#include "mac80211_if.h"
+#define CREATE_TRACE_POINTS
+#include "brcms_trace_events.h"
+#endif

drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_events.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __BRCMS_TRACE_EVENTS_H
+#define __BRCMS_TRACE_EVENTS_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/tracepoint.h>
+#include "mac80211_if.h"
+
+#ifndef CONFIG_BRCM_TRACING
+#undef TRACE_EVENT
+#define TRACE_EVENT(name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(...)
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(evt_class, name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+#endif
+
+#include "brcms_trace_brcmsmac.h"
+#include "brcms_trace_brcmsmac_tx.h"
+#include "brcms_trace_brcmsmac_msg.h"
+
+#endif /* __TRACE_BRCMSMAC_H */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/channel.c

@@ -0,0 +1,774 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/types.h>
+#include <net/cfg80211.h>
+#include <net/mac80211.h>
+#include <net/regulatory.h>
+
+#include <defs.h>
+#include "pub.h"
+#include "phy/phy_hal.h"
+#include "main.h"
+#include "stf.h"
+#include "channel.h"
+#include "mac80211_if.h"
+#include "debug.h"
+
+/* QDB() macro takes a dB value and converts to a quarter dB value */
+#define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR)
+
+#define LOCALE_MIMO_IDX_bn		0
+#define LOCALE_MIMO_IDX_11n		0
+
+/* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */
+#define BRCMS_MAXPWR_MIMO_TBL_SIZE	14
+
+/* maxpwr mapping to 5GHz band channels:
+ * maxpwr[0] - channels [34-48]
+ * maxpwr[1] - channels [52-60]
+ * maxpwr[2] - channels [62-64]
+ * maxpwr[3] - channels [100-140]
+ * maxpwr[4] - channels [149-165]
+ */
+#define BAND_5G_PWR_LVLS	5	/* 5 power levels for 5G */
+
+#define LC(id)	LOCALE_MIMO_IDX_ ## id
+
+#define LOCALES(mimo2, mimo5) \
+		{LC(mimo2), LC(mimo5)}
+
+/* macro to get 5 GHz channel group index for tx power */
+#define CHANNEL_POWER_IDX_5G(c) (((c) < 52) ? 0 : \
+				 (((c) < 62) ? 1 : \
+				 (((c) < 100) ? 2 : \
+				 (((c) < 149) ? 3 : 4))))
+
+#define BRCM_2GHZ_2412_2462	REG_RULE(2412-10, 2462+10, 40, 0, 19, 0)
+#define BRCM_2GHZ_2467_2472	REG_RULE(2467-10, 2472+10, 20, 0, 19, \
+					 NL80211_RRF_NO_IR)
+
+#define BRCM_5GHZ_5180_5240	REG_RULE(5180-10, 5240+10, 40, 0, 21, \
+					 NL80211_RRF_NO_IR)
+#define BRCM_5GHZ_5260_5320	REG_RULE(5260-10, 5320+10, 40, 0, 21, \
+					 NL80211_RRF_DFS | \
+					 NL80211_RRF_NO_IR)
+#define BRCM_5GHZ_5500_5700	REG_RULE(5500-10, 5700+10, 40, 0, 21, \
+					 NL80211_RRF_DFS | \
+					 NL80211_RRF_NO_IR)
+#define BRCM_5GHZ_5745_5825	REG_RULE(5745-10, 5825+10, 40, 0, 21, \
+					 NL80211_RRF_NO_IR)
+
+static const struct ieee80211_regdomain brcms_regdom_x2 = {
+	.n_reg_rules = 6,
+	.alpha2 = "X2",
+	.reg_rules = {
+		BRCM_2GHZ_2412_2462,
+		BRCM_2GHZ_2467_2472,
+		BRCM_5GHZ_5180_5240,
+		BRCM_5GHZ_5260_5320,
+		BRCM_5GHZ_5500_5700,
+		BRCM_5GHZ_5745_5825,
+	}
+};
+
+ /* locale per-channel tx power limits for MIMO frames
+  * maxpwr arrays are index by channel for 2.4 GHz limits, and
+  * by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel)
+  */
+struct locale_mimo_info {
+	/* tx 20 MHz power limits, qdBm units */
+	s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE];
+	/* tx 40 MHz power limits, qdBm units */
+	s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE];
+};
+
+/* Country names and abbreviations with locale defined from ISO 3166 */
+struct country_info {
+	const u8 locale_mimo_2G;	/* 2.4G mimo info */
+	const u8 locale_mimo_5G;	/* 5G mimo info */
+};
+
+struct brcms_regd {
+	struct country_info country;
+	const struct ieee80211_regdomain *regdomain;
+};
+
+struct brcms_cm_info {
+	struct brcms_pub *pub;
+	struct brcms_c_info *wlc;
+	const struct brcms_regd *world_regd;
+};
+
+/*
+ * MIMO Locale Definitions - 2.4 GHz
+ */
+static const struct locale_mimo_info locale_bn = {
+	{QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
+	 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
+	 QDB(13), QDB(13), QDB(13)},
+	{0, 0, QDB(13), QDB(13), QDB(13),
+	 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
+	 QDB(13), 0, 0},
+};
+
+static const struct locale_mimo_info *g_mimo_2g_table[] = {
+	&locale_bn
+};
+
+/*
+ * MIMO Locale Definitions - 5 GHz
+ */
+static const struct locale_mimo_info locale_11n = {
+	{ /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
+	{QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
+};
+
+static const struct locale_mimo_info *g_mimo_5g_table[] = {
+	&locale_11n
+};
+
+static const struct brcms_regd cntry_locales[] = {
+	/* Worldwide RoW 2, must always be at index 0 */
+	{
+		.country = LOCALES(bn, 11n),
+		.regdomain = &brcms_regdom_x2,
+	},
+};
+
+static const struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx)
+{
+	if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table))
+		return NULL;
+
+	return g_mimo_2g_table[locale_idx];
+}
+
+static const struct locale_mimo_info *brcms_c_get_mimo_5g(u8 locale_idx)
+{
+	if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table))
+		return NULL;
+
+	return g_mimo_5g_table[locale_idx];
+}
+
+/*
+ * Indicates whether the country provided is valid to pass
+ * to cfg80211 or not.
+ *
+ * returns true if valid; false if not.
+ */
+static bool brcms_c_country_valid(const char *ccode)
+{
+	/*
+	 * only allow ascii alpha uppercase for the first 2
+	 * chars.
+	 */
+	if (!((0x80 & ccode[0]) == 0 && ccode[0] >= 0x41 && ccode[0] <= 0x5A &&
+	      (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A))
+		return false;
+
+	/*
+	 * do not match ISO 3166-1 user assigned country codes
+	 * that may be in the driver table
+	 */
+	if (!strcmp("AA", ccode) ||        /* AA */
+	    !strcmp("ZZ", ccode) ||        /* ZZ */
+	    ccode[0] == 'X' ||             /* XA - XZ */
+	    (ccode[0] == 'Q' &&            /* QM - QZ */
+	     (ccode[1] >= 'M' && ccode[1] <= 'Z')))
+		return false;
+
+	if (!strcmp("NA", ccode))
+		return false;
+
+	return true;
+}
+
+static const struct brcms_regd *brcms_world_regd(const char *regdom, int len)
+{
+	const struct brcms_regd *regd = NULL;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cntry_locales); i++) {
+		if (!strncmp(regdom, cntry_locales[i].regdomain->alpha2, len)) {
+			regd = &cntry_locales[i];
+			break;
+		}
+	}
+
+	return regd;
+}
+
+static const struct brcms_regd *brcms_default_world_regd(void)
+{
+	return &cntry_locales[0];
+}
+
+/* JP, J1 - J10 are Japan ccodes */
+static bool brcms_c_japan_ccode(const char *ccode)
+{
+	return (ccode[0] == 'J' &&
+		(ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
+}
+
+static void
+brcms_c_channel_min_txpower_limits_with_local_constraint(
+		struct brcms_cm_info *wlc_cm, struct txpwr_limits *txpwr,
+		u8 local_constraint_qdbm)
+{
+	int j;
+
+	/* CCK Rates */
+	for (j = 0; j < WL_TX_POWER_CCK_NUM; j++)
+		txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
+
+	/* 20 MHz Legacy OFDM SISO */
+	for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++)
+		txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
+
+	/* 20 MHz Legacy OFDM CDD */
+	for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
+		txpwr->ofdm_cdd[j] =
+		    min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
+
+	/* 40 MHz Legacy OFDM SISO */
+	for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
+		txpwr->ofdm_40_siso[j] =
+		    min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
+
+	/* 40 MHz Legacy OFDM CDD */
+	for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
+		txpwr->ofdm_40_cdd[j] =
+		    min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
+
+	/* 20MHz MCS 0-7 SISO */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
+		txpwr->mcs_20_siso[j] =
+		    min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
+
+	/* 20MHz MCS 0-7 CDD */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
+		txpwr->mcs_20_cdd[j] =
+		    min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
+
+	/* 20MHz MCS 0-7 STBC */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
+		txpwr->mcs_20_stbc[j] =
+		    min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
+
+	/* 20MHz MCS 8-15 MIMO */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++)
+		txpwr->mcs_20_mimo[j] =
+		    min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
+
+	/* 40MHz MCS 0-7 SISO */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
+		txpwr->mcs_40_siso[j] =
+		    min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
+
+	/* 40MHz MCS 0-7 CDD */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
+		txpwr->mcs_40_cdd[j] =
+		    min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
+
+	/* 40MHz MCS 0-7 STBC */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
+		txpwr->mcs_40_stbc[j] =
+		    min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
+
+	/* 40MHz MCS 8-15 MIMO */
+	for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++)
+		txpwr->mcs_40_mimo[j] =
+		    min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
+
+	/* 40MHz MCS 32 */
+	txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
+
+}
+
+/*
+ * set the driver's current country and regulatory information
+ * using a country code as the source. Look up built in country
+ * information found with the country code.
+ */
+static void
+brcms_c_set_country(struct brcms_cm_info *wlc_cm,
+		    const struct brcms_regd *regd)
+{
+	struct brcms_c_info *wlc = wlc_cm->wlc;
+
+	if ((wlc->pub->_n_enab & SUPPORT_11N) !=
+	    wlc->protection->nmode_user)
+		brcms_c_set_nmode(wlc);
+
+	brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
+	brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
+
+	brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
+
+	return;
+}
+
+struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc)
+{
+	struct brcms_cm_info *wlc_cm;
+	struct brcms_pub *pub = wlc->pub;
+	struct ssb_sprom *sprom = &wlc->hw->d11core->bus->sprom;
+	const char *ccode = sprom->alpha2;
+	int ccode_len = sizeof(sprom->alpha2);
+
+	wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC);
+	if (wlc_cm == NULL)
+		return NULL;
+	wlc_cm->pub = pub;
+	wlc_cm->wlc = wlc;
+	wlc->cmi = wlc_cm;
+
+	/* store the country code for passing up as a regulatory hint */
+	wlc_cm->world_regd = brcms_world_regd(ccode, ccode_len);
+	if (brcms_c_country_valid(ccode))
+		strncpy(wlc->pub->srom_ccode, ccode, ccode_len);
+
+	/*
+	 * If no custom world domain is found in the SROM, use the
+	 * default "X2" domain.
+	 */
+	if (!wlc_cm->world_regd) {
+		wlc_cm->world_regd = brcms_default_world_regd();
+		ccode = wlc_cm->world_regd->regdomain->alpha2;
+		ccode_len = BRCM_CNTRY_BUF_SZ - 1;
+	}
+
+	/* save default country for exiting 11d regulatory mode */
+	strncpy(wlc->country_default, ccode, ccode_len);
+
+	/* initialize autocountry_default to driver default */
+	strncpy(wlc->autocountry_default, ccode, ccode_len);
+
+	brcms_c_set_country(wlc_cm, wlc_cm->world_regd);
+
+	return wlc_cm;
+}
+
+void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm)
+{
+	kfree(wlc_cm);
+}
+
+void
+brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec,
+			 u8 local_constraint_qdbm)
+{
+	struct brcms_c_info *wlc = wlc_cm->wlc;
+	struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan;
+	struct txpwr_limits txpwr;
+
+	brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr);
+
+	brcms_c_channel_min_txpower_limits_with_local_constraint(
+		wlc_cm, &txpwr, local_constraint_qdbm
+	);
+
+	/* set or restore gmode as required by regulatory */
+	if (ch->flags & IEEE80211_CHAN_NO_OFDM)
+		brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false);
+	else
+		brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
+
+	brcms_b_set_chanspec(wlc->hw, chanspec,
+			      !!(ch->flags & IEEE80211_CHAN_NO_IR),
+			      &txpwr);
+}
+
+void
+brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec,
+		       struct txpwr_limits *txpwr)
+{
+	struct brcms_c_info *wlc = wlc_cm->wlc;
+	struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan;
+	uint i;
+	uint chan;
+	int maxpwr;
+	int delta;
+	const struct country_info *country;
+	struct brcms_band *band;
+	int conducted_max = BRCMS_TXPWR_MAX;
+	const struct locale_mimo_info *li_mimo;
+	int maxpwr20, maxpwr40;
+	int maxpwr_idx;
+	uint j;
+
+	memset(txpwr, 0, sizeof(struct txpwr_limits));
+
+	if (WARN_ON(!ch))
+		return;
+
+	country = &wlc_cm->world_regd->country;
+
+	chan = CHSPEC_CHANNEL(chanspec);
+	band = wlc->bandstate[chspec_bandunit(chanspec)];
+	li_mimo = (band->bandtype == BRCM_BAND_5G) ?
+	    brcms_c_get_mimo_5g(country->locale_mimo_5G) :
+	    brcms_c_get_mimo_2g(country->locale_mimo_2G);
+
+	delta = band->antgain;
+
+	if (band->bandtype == BRCM_BAND_2G)
+		conducted_max = QDB(22);
+
+	maxpwr = QDB(ch->max_power) - delta;
+	maxpwr = max(maxpwr, 0);
+	maxpwr = min(maxpwr, conducted_max);
+
+	/* CCK txpwr limits for 2.4G band */
+	if (band->bandtype == BRCM_BAND_2G) {
+		for (i = 0; i < BRCMS_NUM_RATES_CCK; i++)
+			txpwr->cck[i] = (u8) maxpwr;
+	}
+
+	for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++) {
+		txpwr->ofdm[i] = (u8) maxpwr;
+
+		/*
+		 * OFDM 40 MHz SISO has the same power as the corresponding
+		 * MCS0-7 rate unless overriden by the locale specific code.
+		 * We set this value to 0 as a flag (presumably 0 dBm isn't
+		 * a possibility) and then copy the MCS0-7 value to the 40 MHz
+		 * value if it wasn't explicitly set.
+		 */
+		txpwr->ofdm_40_siso[i] = 0;
+
+		txpwr->ofdm_cdd[i] = (u8) maxpwr;
+
+		txpwr->ofdm_40_cdd[i] = 0;
+	}
+
+	delta = 0;
+	if (band->antgain > QDB(6))
+		delta = band->antgain - QDB(6);	/* Excess over 6 dB */
+
+	if (band->bandtype == BRCM_BAND_2G)
+		maxpwr_idx = (chan - 1);
+	else
+		maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
+
+	maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
+	maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
+
+	maxpwr20 = maxpwr20 - delta;
+	maxpwr20 = max(maxpwr20, 0);
+	maxpwr40 = maxpwr40 - delta;
+	maxpwr40 = max(maxpwr40, 0);
+
+	/* Fill in the MCS 0-7 (SISO) rates */
+	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
+
+		/*
+		 * 20 MHz has the same power as the corresponding OFDM rate
+		 * unless overriden by the locale specific code.
+		 */
+		txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
+		txpwr->mcs_40_siso[i] = 0;
+	}
+
+	/* Fill in the MCS 0-7 CDD rates */
+	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
+		txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
+		txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
+	}
+
+	/*
+	 * These locales have SISO expressed in the
+	 * table and override CDD later
+	 */
+	if (li_mimo == &locale_bn) {
+		if (li_mimo == &locale_bn) {
+			maxpwr20 = QDB(16);
+			maxpwr40 = 0;
+
+			if (chan >= 3 && chan <= 11)
+				maxpwr40 = QDB(16);
+		}
+
+		for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
+			txpwr->mcs_20_siso[i] = (u8) maxpwr20;
+			txpwr->mcs_40_siso[i] = (u8) maxpwr40;
+		}
+	}
+
+	/* Fill in the MCS 0-7 STBC rates */
+	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
+		txpwr->mcs_20_stbc[i] = 0;
+		txpwr->mcs_40_stbc[i] = 0;
+	}
+
+	/* Fill in the MCS 8-15 SDM rates */
+	for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++) {
+		txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
+		txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
+	}
+
+	/* Fill in MCS32 */
+	txpwr->mcs32 = (u8) maxpwr40;
+
+	for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) {
+		if (txpwr->ofdm_40_cdd[i] == 0)
+			txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
+		if (i == 0) {
+			i = i + 1;
+			if (txpwr->ofdm_40_cdd[i] == 0)
+				txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
+		}
+	}
+
+	/*
+	 * Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO
+	 * value if it wasn't provided explicitly.
+	 */
+	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
+		if (txpwr->mcs_40_siso[i] == 0)
+			txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
+	}
+
+	for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) {
+		if (txpwr->ofdm_40_siso[i] == 0)
+			txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
+		if (i == 0) {
+			i = i + 1;
+			if (txpwr->ofdm_40_siso[i] == 0)
+				txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
+		}
+	}
+
+	/*
+	 * Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding
+	 * STBC values if they weren't provided explicitly.
+	 */
+	for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
+		if (txpwr->mcs_20_stbc[i] == 0)
+			txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
+
+		if (txpwr->mcs_40_stbc[i] == 0)
+			txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
+	}
+
+	return;
+}
+
+/*
+ * Verify the chanspec is using a legal set of parameters, i.e. that the
+ * chanspec specified a band, bw, ctl_sb and channel and that the
+ * combination could be legal given any set of circumstances.
+ * RETURNS: true is the chanspec is malformed, false if it looks good.
+ */
+static bool brcms_c_chspec_malformed(u16 chanspec)
+{
+	/* must be 2G or 5G band */
+	if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec))
+		return true;
+	/* must be 20 or 40 bandwidth */
+	if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec))
+		return true;
+
+	/* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */
+	if (CHSPEC_IS20(chanspec)) {
+		if (!CHSPEC_SB_NONE(chanspec))
+			return true;
+	} else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) {
+		return true;
+	}
+
+	return false;
+}
+
+/*
+ * Validate the chanspec for this locale, for 40MHZ we need to also
+ * check that the sidebands are valid 20MZH channels in this locale
+ * and they are also a legal HT combination
+ */
+static bool
+brcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec)
+{
+	struct brcms_c_info *wlc = wlc_cm->wlc;
+	u8 channel = CHSPEC_CHANNEL(chspec);
+
+	/* check the chanspec */
+	if (brcms_c_chspec_malformed(chspec)) {
+		brcms_err(wlc->hw->d11core, "wl%d: malformed chanspec 0x%x\n",
+			  wlc->pub->unit, chspec);
+		return false;
+	}
+
+	if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
+	    chspec_bandunit(chspec))
+		return false;
+
+	return true;
+}
+
+bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec)
+{
+	return brcms_c_valid_chanspec_ext(wlc_cm, chspec);
+}
+
+static bool brcms_is_radar_freq(u16 center_freq)
+{
+	return center_freq >= 5260 && center_freq <= 5700;
+}
+
+static void brcms_reg_apply_radar_flags(struct wiphy *wiphy)
+{
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *ch;
+	int i;
+
+	sband = wiphy->bands[IEEE80211_BAND_5GHZ];
+	if (!sband)
+		return;
+
+	for (i = 0; i < sband->n_channels; i++) {
+		ch = &sband->channels[i];
+
+		if (!brcms_is_radar_freq(ch->center_freq))
+			continue;
+
+		/*
+		 * All channels in this range should be passive and have
+		 * DFS enabled.
+		 */
+		if (!(ch->flags & IEEE80211_CHAN_DISABLED))
+			ch->flags |= IEEE80211_CHAN_RADAR |
+				     IEEE80211_CHAN_NO_IR |
+				     IEEE80211_CHAN_NO_IR;
+	}
+}
+
+static void
+brcms_reg_apply_beaconing_flags(struct wiphy *wiphy,
+				enum nl80211_reg_initiator initiator)
+{
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *ch;
+	const struct ieee80211_reg_rule *rule;
+	int band, i;
+
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+		sband = wiphy->bands[band];
+		if (!sband)
+			continue;
+
+		for (i = 0; i < sband->n_channels; i++) {
+			ch = &sband->channels[i];
+
+			if (ch->flags &
+			    (IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR))
+				continue;
+
+			if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
+				rule = freq_reg_info(wiphy,
+						     MHZ_TO_KHZ(ch->center_freq));
+				if (IS_ERR(rule))
+					continue;
+
+				if (!(rule->flags & NL80211_RRF_NO_IR))
+					ch->flags &= ~IEEE80211_CHAN_NO_IR;
+			} else if (ch->beacon_found) {
+				ch->flags &= ~IEEE80211_CHAN_NO_IR;
+			}
+		}
+	}
+}
+
+static void brcms_reg_notifier(struct wiphy *wiphy,
+			       struct regulatory_request *request)
+{
+	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+	struct brcms_info *wl = hw->priv;
+	struct brcms_c_info *wlc = wl->wlc;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *ch;
+	int band, i;
+	bool ch_found = false;
+
+	brcms_reg_apply_radar_flags(wiphy);
+
+	if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)
+		brcms_reg_apply_beaconing_flags(wiphy, request->initiator);
+
+	/* Disable radio if all channels disallowed by regulatory */
+	for (band = 0; !ch_found && band < IEEE80211_NUM_BANDS; band++) {
+		sband = wiphy->bands[band];
+		if (!sband)
+			continue;
+
+		for (i = 0; !ch_found && i < sband->n_channels; i++) {
+			ch = &sband->channels[i];
+
+			if (!(ch->flags & IEEE80211_CHAN_DISABLED))
+				ch_found = true;
+		}
+	}
+
+	if (ch_found) {
+		mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
+	} else {
+		mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
+		brcms_err(wlc->hw->d11core,
+			  "wl%d: %s: no valid channel for \"%s\"\n",
+			  wlc->pub->unit, __func__, request->alpha2);
+	}
+
+	if (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G)
+		wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
+					brcms_c_japan_ccode(request->alpha2));
+}
+
+void brcms_c_regd_init(struct brcms_c_info *wlc)
+{
+	struct wiphy *wiphy = wlc->wiphy;
+	const struct brcms_regd *regd = wlc->cmi->world_regd;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *ch;
+	struct brcms_chanvec sup_chan;
+	struct brcms_band *band;
+	int band_idx, i;
+
+	/* Disable any channels not supported by the phy */
+	for (band_idx = 0; band_idx < wlc->pub->_nbands; band_idx++) {
+		band = wlc->bandstate[band_idx];
+
+		wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
+					      &sup_chan);
+
+		if (band_idx == BAND_2G_INDEX)
+			sband = wiphy->bands[IEEE80211_BAND_2GHZ];
+		else
+			sband = wiphy->bands[IEEE80211_BAND_5GHZ];
+
+		for (i = 0; i < sband->n_channels; i++) {
+			ch = &sband->channels[i];
+			if (!isset(sup_chan.vec, ch->hw_value))
+				ch->flags |= IEEE80211_CHAN_DISABLED;
+		}
+	}
+
+	wlc->wiphy->reg_notifier = brcms_reg_notifier;
+	wlc->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
+					REGULATORY_STRICT_REG;
+	wiphy_apply_custom_regulatory(wlc->wiphy, regd->regdomain);
+	brcms_reg_apply_beaconing_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER);
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/channel.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_CHANNEL_H_
+#define _BRCM_CHANNEL_H_
+
+/* conversion for phy txpwr calculations that use .25 dB units */
+#define BRCMS_TXPWR_DB_FACTOR 4
+
+/* bits for locale_info flags */
+#define BRCMS_PEAK_CONDUCTED	0x00	/* Peak for locals */
+#define BRCMS_EIRP		0x01	/* Flag for EIRP */
+#define BRCMS_DFS_TPC		0x02	/* Flag for DFS TPC */
+#define BRCMS_NO_OFDM		0x04	/* Flag for No OFDM */
+#define BRCMS_NO_40MHZ		0x08	/* Flag for No MIMO 40MHz */
+#define BRCMS_NO_MIMO		0x10	/* Flag for No MIMO, 20 or 40 MHz */
+#define BRCMS_RADAR_TYPE_EU       0x20	/* Flag for EU */
+#define BRCMS_DFS_FCC             BRCMS_DFS_TPC	/* Flag for DFS FCC */
+
+#define BRCMS_DFS_EU (BRCMS_DFS_TPC | BRCMS_RADAR_TYPE_EU) /* Flag for DFS EU */
+
+struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc);
+
+void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm);
+
+bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec);
+
+void brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec,
+				struct txpwr_limits *txpwr);
+void brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec,
+				  u8 local_constraint_qdbm);
+void brcms_c_regd_init(struct brcms_c_info *wlc);
+
+#endif				/* _WLC_CHANNEL_H */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/debug.c

@@ -0,0 +1,270 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ * Copyright (c) 2012 Canonical Ltd.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/debugfs.h>
+#include <linux/if_ether.h>
+#include <linux/if.h>
+#include <linux/net.h>
+#include <linux/netdevice.h>
+#include <linux/ieee80211.h>
+#include <linux/module.h>
+#include <net/mac80211.h>
+
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "types.h"
+#include "main.h"
+#include "debug.h"
+#include "brcms_trace_events.h"
+#include "phy/phy_int.h"
+
+static struct dentry *root_folder;
+
+void brcms_debugfs_init(void)
+{
+	root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
+	if (IS_ERR(root_folder))
+		root_folder = NULL;
+}
+
+void brcms_debugfs_exit(void)
+{
+	if (!root_folder)
+		return;
+
+	debugfs_remove_recursive(root_folder);
+	root_folder = NULL;
+}
+
+int brcms_debugfs_attach(struct brcms_pub *drvr)
+{
+	if (!root_folder)
+		return -ENODEV;
+
+	drvr->dbgfs_dir = debugfs_create_dir(
+		 dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
+	return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
+}
+
+void brcms_debugfs_detach(struct brcms_pub *drvr)
+{
+	if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
+		debugfs_remove_recursive(drvr->dbgfs_dir);
+}
+
+struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
+{
+	return drvr->dbgfs_dir;
+}
+
+static
+int brcms_debugfs_hardware_read(struct seq_file *s, void *data)
+{
+	struct brcms_pub *drvr = s->private;
+	struct brcms_hardware *hw = drvr->wlc->hw;
+	struct bcma_device *core = hw->d11core;
+	struct bcma_bus *bus = core->bus;
+	char boardrev[BRCMU_BOARDREV_LEN];
+
+	seq_printf(s, "chipnum 0x%x\n"
+		   "chiprev 0x%x\n"
+		   "chippackage 0x%x\n"
+		   "corerev 0x%x\n"
+		   "boardid 0x%x\n"
+		   "boardvendor 0x%x\n"
+		   "boardrev %s\n"
+		   "boardflags 0x%x\n"
+		   "boardflags2 0x%x\n"
+		   "ucoderev 0x%x\n"
+		   "radiorev 0x%x\n"
+		   "phytype 0x%x\n"
+		   "phyrev 0x%x\n"
+		   "anarev 0x%x\n"
+		   "nvramrev %d\n",
+		   bus->chipinfo.id, bus->chipinfo.rev, bus->chipinfo.pkg,
+		   core->id.rev, bus->boardinfo.type, bus->boardinfo.vendor,
+		   brcmu_boardrev_str(hw->boardrev, boardrev),
+		   drvr->wlc->hw->boardflags, drvr->wlc->hw->boardflags2,
+		   drvr->wlc->ucode_rev, hw->band->radiorev,
+		   hw->band->phytype, hw->band->phyrev, hw->band->pi->ana_rev,
+		   hw->sromrev);
+	return 0;
+}
+
+static int brcms_debugfs_macstat_read(struct seq_file *s, void *data)
+{
+	struct brcms_pub *drvr = s->private;
+	struct brcms_info *wl = drvr->ieee_hw->priv;
+	struct macstat stats;
+	int i;
+
+	spin_lock_bh(&wl->lock);
+	stats = *(drvr->wlc->core->macstat_snapshot);
+	spin_unlock_bh(&wl->lock);
+
+	seq_printf(s, "txallfrm: %d\n", stats.txallfrm);
+	seq_printf(s, "txrtsfrm: %d\n", stats.txrtsfrm);
+	seq_printf(s, "txctsfrm: %d\n", stats.txctsfrm);
+	seq_printf(s, "txackfrm: %d\n", stats.txackfrm);
+	seq_printf(s, "txdnlfrm: %d\n", stats.txdnlfrm);
+	seq_printf(s, "txbcnfrm: %d\n", stats.txbcnfrm);
+	seq_printf(s, "txfunfl[8]:");
+	for (i = 0; i < ARRAY_SIZE(stats.txfunfl); i++)
+		seq_printf(s, " %d", stats.txfunfl[i]);
+	seq_printf(s, "\ntxtplunfl: %d\n", stats.txtplunfl);
+	seq_printf(s, "txphyerr: %d\n", stats.txphyerr);
+	seq_printf(s, "pktengrxducast: %d\n", stats.pktengrxducast);
+	seq_printf(s, "pktengrxdmcast: %d\n", stats.pktengrxdmcast);
+	seq_printf(s, "rxfrmtoolong: %d\n", stats.rxfrmtoolong);
+	seq_printf(s, "rxfrmtooshrt: %d\n", stats.rxfrmtooshrt);
+	seq_printf(s, "rxinvmachdr: %d\n", stats.rxinvmachdr);
+	seq_printf(s, "rxbadfcs: %d\n", stats.rxbadfcs);
+	seq_printf(s, "rxbadplcp: %d\n", stats.rxbadplcp);
+	seq_printf(s, "rxcrsglitch: %d\n", stats.rxcrsglitch);
+	seq_printf(s, "rxstrt: %d\n", stats.rxstrt);
+	seq_printf(s, "rxdfrmucastmbss: %d\n", stats.rxdfrmucastmbss);
+	seq_printf(s, "rxmfrmucastmbss: %d\n", stats.rxmfrmucastmbss);
+	seq_printf(s, "rxcfrmucast: %d\n", stats.rxcfrmucast);
+	seq_printf(s, "rxrtsucast: %d\n", stats.rxrtsucast);
+	seq_printf(s, "rxctsucast: %d\n", stats.rxctsucast);
+	seq_printf(s, "rxackucast: %d\n", stats.rxackucast);
+	seq_printf(s, "rxdfrmocast: %d\n", stats.rxdfrmocast);
+	seq_printf(s, "rxmfrmocast: %d\n", stats.rxmfrmocast);
+	seq_printf(s, "rxcfrmocast: %d\n", stats.rxcfrmocast);
+	seq_printf(s, "rxrtsocast: %d\n", stats.rxrtsocast);
+	seq_printf(s, "rxctsocast: %d\n", stats.rxctsocast);
+	seq_printf(s, "rxdfrmmcast: %d\n", stats.rxdfrmmcast);
+	seq_printf(s, "rxmfrmmcast: %d\n", stats.rxmfrmmcast);
+	seq_printf(s, "rxcfrmmcast: %d\n", stats.rxcfrmmcast);
+	seq_printf(s, "rxbeaconmbss: %d\n", stats.rxbeaconmbss);
+	seq_printf(s, "rxdfrmucastobss: %d\n", stats.rxdfrmucastobss);
+	seq_printf(s, "rxbeaconobss: %d\n", stats.rxbeaconobss);
+	seq_printf(s, "rxrsptmout: %d\n", stats.rxrsptmout);
+	seq_printf(s, "bcntxcancl: %d\n", stats.bcntxcancl);
+	seq_printf(s, "rxf0ovfl: %d\n", stats.rxf0ovfl);
+	seq_printf(s, "rxf1ovfl: %d\n", stats.rxf1ovfl);
+	seq_printf(s, "rxf2ovfl: %d\n", stats.rxf2ovfl);
+	seq_printf(s, "txsfovfl: %d\n", stats.txsfovfl);
+	seq_printf(s, "pmqovfl: %d\n", stats.pmqovfl);
+	seq_printf(s, "rxcgprqfrm: %d\n", stats.rxcgprqfrm);
+	seq_printf(s, "rxcgprsqovfl: %d\n", stats.rxcgprsqovfl);
+	seq_printf(s, "txcgprsfail: %d\n", stats.txcgprsfail);
+	seq_printf(s, "txcgprssuc: %d\n", stats.txcgprssuc);
+	seq_printf(s, "prs_timeout: %d\n", stats.prs_timeout);
+	seq_printf(s, "rxnack: %d\n", stats.rxnack);
+	seq_printf(s, "frmscons: %d\n", stats.frmscons);
+	seq_printf(s, "txnack: %d\n", stats.txnack);
+	seq_printf(s, "txglitch_nack: %d\n", stats.txglitch_nack);
+	seq_printf(s, "txburst: %d\n", stats.txburst);
+	seq_printf(s, "bphy_rxcrsglitch: %d\n", stats.bphy_rxcrsglitch);
+	seq_printf(s, "phywatchdog: %d\n", stats.phywatchdog);
+	seq_printf(s, "bphy_badplcp: %d\n", stats.bphy_badplcp);
+	return 0;
+}
+
+struct brcms_debugfs_entry {
+	int (*read)(struct seq_file *seq, void *data);
+	struct brcms_pub *drvr;
+};
+
+static int brcms_debugfs_entry_open(struct inode *inode, struct file *f)
+{
+	struct brcms_debugfs_entry *entry = inode->i_private;
+
+	return single_open(f, entry->read, entry->drvr);
+}
+
+static const struct file_operations brcms_debugfs_def_ops = {
+	.owner = THIS_MODULE,
+	.open = brcms_debugfs_entry_open,
+	.release = single_release,
+	.read = seq_read,
+	.llseek = seq_lseek
+};
+
+static int
+brcms_debugfs_add_entry(struct brcms_pub *drvr, const char *fn,
+			int (*read_fn)(struct seq_file *seq, void *data))
+{
+	struct device *dev = &drvr->wlc->hw->d11core->dev;
+	struct dentry *dentry =  drvr->dbgfs_dir;
+	struct brcms_debugfs_entry *entry;
+
+	if (IS_ERR_OR_NULL(dentry))
+		return -ENOENT;
+
+	entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);
+	if (!entry)
+		return -ENOMEM;
+
+	entry->read = read_fn;
+	entry->drvr = drvr;
+
+	dentry = debugfs_create_file(fn, S_IRUGO, dentry, entry,
+				     &brcms_debugfs_def_ops);
+
+	return PTR_ERR_OR_ZERO(dentry);
+}
+
+void brcms_debugfs_create_files(struct brcms_pub *drvr)
+{
+	if (IS_ERR_OR_NULL(drvr->dbgfs_dir))
+		return;
+
+	brcms_debugfs_add_entry(drvr, "hardware", brcms_debugfs_hardware_read);
+	brcms_debugfs_add_entry(drvr, "macstat", brcms_debugfs_macstat_read);
+}
+
+#define __brcms_fn(fn)						\
+void __brcms_ ##fn(struct device *dev, const char *fmt, ...)	\
+{								\
+	struct va_format vaf = {				\
+		.fmt = fmt,					\
+	};							\
+	va_list args;						\
+								\
+	va_start(args, fmt);					\
+	vaf.va = &args;						\
+	dev_ ##fn(dev, "%pV", &vaf);				\
+	trace_brcms_ ##fn(&vaf);				\
+	va_end(args);						\
+}
+
+__brcms_fn(info)
+__brcms_fn(warn)
+__brcms_fn(err)
+__brcms_fn(crit)
+
+#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
+void __brcms_dbg(struct device *dev, u32 level, const char *func,
+		 const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+#ifdef CONFIG_BRCMDBG
+	if ((brcm_msg_level & level) && net_ratelimit())
+		dev_err(dev, "%s %pV", func, &vaf);
+#endif
+	trace_brcms_dbg(level, func, &vaf);
+	va_end(args);
+}
+#endif

drivers/net/wireless/broadcom/brcm80211/brcmsmac/debug.h

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ * Copyright (c) 2012 Canonical Ltd.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef _BRCMS_DEBUG_H_
+#define _BRCMS_DEBUG_H_
+
+#include <linux/device.h>
+#include <linux/bcma/bcma.h>
+#include <net/cfg80211.h>
+#include <net/mac80211.h>
+#include "main.h"
+#include "mac80211_if.h"
+
+__printf(2, 3)
+void __brcms_info(struct device *dev, const char *fmt, ...);
+__printf(2, 3)
+void __brcms_warn(struct device *dev, const char *fmt, ...);
+__printf(2, 3)
+void __brcms_err(struct device *dev, const char *fmt, ...);
+__printf(2, 3)
+void __brcms_crit(struct device *dev, const char *fmt, ...);
+
+#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
+__printf(4, 5)
+void __brcms_dbg(struct device *dev, u32 level, const char *func,
+		 const char *fmt, ...);
+#else
+static inline __printf(4, 5)
+void __brcms_dbg(struct device *dev, u32 level, const char *func,
+		 const char *fmt, ...)
+{
+}
+#endif
+
+/*
+ * Debug macros cannot be used when wlc is uninitialized. Generally
+ * this means any code that could run before brcms_c_attach() has
+ * returned successfully probably shouldn't use the following macros.
+ */
+
+#define brcms_dbg(core, l, f, a...)	__brcms_dbg(&(core)->dev, l, __func__, f, ##a)
+#define brcms_info(core, f, a...)	__brcms_info(&(core)->dev, f, ##a)
+#define brcms_warn(core, f, a...)	__brcms_warn(&(core)->dev, f, ##a)
+#define brcms_err(core, f, a...)	__brcms_err(&(core)->dev, f, ##a)
+#define brcms_crit(core, f, a...)	__brcms_crit(&(core)->dev, f, ##a)
+
+#define brcms_dbg_info(core, f, a...)		brcms_dbg(core, BRCM_DL_INFO, f, ##a)
+#define brcms_dbg_mac80211(core, f, a...)	brcms_dbg(core, BRCM_DL_MAC80211, f, ##a)
+#define brcms_dbg_rx(core, f, a...)		brcms_dbg(core, BRCM_DL_RX, f, ##a)
+#define brcms_dbg_tx(core, f, a...)		brcms_dbg(core, BRCM_DL_TX, f, ##a)
+#define brcms_dbg_int(core, f, a...)		brcms_dbg(core, BRCM_DL_INT, f, ##a)
+#define brcms_dbg_dma(core, f, a...)		brcms_dbg(core, BRCM_DL_DMA, f, ##a)
+#define brcms_dbg_ht(core, f, a...)		brcms_dbg(core, BRCM_DL_HT, f, ##a)
+
+struct brcms_pub;
+void brcms_debugfs_init(void);
+void brcms_debugfs_exit(void);
+int brcms_debugfs_attach(struct brcms_pub *drvr);
+void brcms_debugfs_detach(struct brcms_pub *drvr);
+struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr);
+void brcms_debugfs_create_files(struct brcms_pub *drvr);
+
+#endif /* _BRCMS_DEBUG_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.h

@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef	_BRCM_DMA_H_
+#define	_BRCM_DMA_H_
+
+#include <linux/delay.h>
+#include <linux/skbuff.h>
+#include "types.h"		/* forward structure declarations */
+
+/* map/unmap direction */
+#define	DMA_TX	1		/* TX direction for DMA */
+#define	DMA_RX	2		/* RX direction for DMA */
+
+/* DMA structure:
+ *  support two DMA engines: 32 bits address or 64 bit addressing
+ *  basic DMA register set is per channel(transmit or receive)
+ *  a pair of channels is defined for convenience
+ */
+
+/* 32 bits addressing */
+
+struct dma32diag {	/* diag access */
+	u32 fifoaddr;	/* diag address */
+	u32 fifodatalow;	/* low 32bits of data */
+	u32 fifodatahigh;	/* high 32bits of data */
+	u32 pad;		/* reserved */
+};
+
+/* 64 bits addressing */
+
+/* dma registers per channel(xmt or rcv) */
+struct dma64regs {
+	u32 control;	/* enable, et al */
+	u32 ptr;	/* last descriptor posted to chip */
+	u32 addrlow;	/* desc ring base address low 32-bits (8K aligned) */
+	u32 addrhigh;	/* desc ring base address bits 63:32 (8K aligned) */
+	u32 status0;	/* current descriptor, xmt state */
+	u32 status1;	/* active descriptor, xmt error */
+};
+
+/* range param for dma_getnexttxp() and dma_txreclaim */
+enum txd_range {
+	DMA_RANGE_ALL = 1,
+	DMA_RANGE_TRANSMITTED,
+	DMA_RANGE_TRANSFERED
+};
+
+/*
+ * Exported data structure (read-only)
+ */
+/* export structure */
+struct dma_pub {
+	uint txavail;		/* # free tx descriptors */
+	uint dmactrlflags;	/* dma control flags */
+
+	/* rx error counters */
+	uint rxgiants;		/* rx giant frames */
+	uint rxnobuf;		/* rx out of dma descriptors */
+	/* tx error counters */
+	uint txnobuf;		/* tx out of dma descriptors */
+};
+
+extern struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc,
+				  uint txregbase, uint rxregbase,
+				  uint ntxd, uint nrxd,
+				  uint rxbufsize, int rxextheadroom,
+				  uint nrxpost, uint rxoffset);
+
+void dma_rxinit(struct dma_pub *pub);
+int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list);
+bool dma_rxfill(struct dma_pub *pub);
+bool dma_rxreset(struct dma_pub *pub);
+bool dma_txreset(struct dma_pub *pub);
+void dma_txinit(struct dma_pub *pub);
+int dma_txfast(struct brcms_c_info *wlc, struct dma_pub *pub,
+	       struct sk_buff *p0);
+void dma_txflush(struct dma_pub *pub);
+int dma_txpending(struct dma_pub *pub);
+void dma_kick_tx(struct dma_pub *pub);
+void dma_txsuspend(struct dma_pub *pub);
+bool dma_txsuspended(struct dma_pub *pub);
+void dma_txresume(struct dma_pub *pub);
+void dma_txreclaim(struct dma_pub *pub, enum txd_range range);
+void dma_rxreclaim(struct dma_pub *pub);
+void dma_detach(struct dma_pub *pub);
+unsigned long dma_getvar(struct dma_pub *pub, const char *name);
+struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range);
+void dma_counterreset(struct dma_pub *pub);
+
+void dma_walk_packets(struct dma_pub *dmah, void (*callback_fnc)
+		      (void *pkt, void *arg_a), void *arg_a);
+
+/*
+ * DMA(Bug) on bcm47xx chips seems to declare that the packet is ready, but
+ * the packet length is not updated yet (by DMA) on the expected time.
+ * Workaround is to hold processor till DMA updates the length, and stay off
+ * the bus to allow DMA update the length in buffer
+ */
+static inline void dma_spin_for_len(uint len, struct sk_buff *head)
+{
+#if defined(CONFIG_BCM47XX)
+	if (!len) {
+		while (!(len = *(u16 *) KSEG1ADDR(head->data)))
+			udelay(1);
+
+		*(u16 *) (head->data) = cpu_to_le16((u16) len);
+	}
+#endif				/* defined(CONFIG_BCM47XX) */
+}
+
+#endif				/* _BRCM_DMA_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c

@@ -0,0 +1,126 @@
+#include <net/mac80211.h>
+#include <linux/bcma/bcma_driver_chipcommon.h>
+#include <linux/gpio.h>
+
+#include "mac80211_if.h"
+#include "pub.h"
+#include "main.h"
+#include "led.h"
+
+	/* number of leds */
+#define  BRCMS_LED_NO		4
+	/* behavior mask */
+#define  BRCMS_LED_BEH_MASK	0x7f
+	/* activelow (polarity) bit */
+#define  BRCMS_LED_AL_MASK	0x80
+	/* radio enabled */
+#define  BRCMS_LED_RADIO	3
+
+static void brcms_radio_led_ctrl(struct brcms_info *wl, bool state)
+{
+	if (wl->radio_led.gpio == -1)
+		return;
+
+	if (wl->radio_led.active_low)
+		state = !state;
+
+	if (state)
+		gpio_set_value(wl->radio_led.gpio, 1);
+	else
+		gpio_set_value(wl->radio_led.gpio, 0);
+}
+
+
+/* Callback from the LED subsystem. */
+static void brcms_led_brightness_set(struct led_classdev *led_dev,
+				   enum led_brightness brightness)
+{
+	struct brcms_info *wl = container_of(led_dev,
+		struct brcms_info, led_dev);
+	brcms_radio_led_ctrl(wl, brightness);
+}
+
+void brcms_led_unregister(struct brcms_info *wl)
+{
+	if (wl->led_dev.dev)
+		led_classdev_unregister(&wl->led_dev);
+	if (wl->radio_led.gpio != -1)
+		gpio_free(wl->radio_led.gpio);
+}
+
+int brcms_led_register(struct brcms_info *wl)
+{
+	int i, err;
+	struct brcms_led *radio_led = &wl->radio_led;
+	/* get CC core */
+	struct bcma_drv_cc *cc_drv  = &wl->wlc->hw->d11core->bus->drv_cc;
+	struct gpio_chip *bcma_gpio = &cc_drv->gpio;
+	struct ssb_sprom *sprom = &wl->wlc->hw->d11core->bus->sprom;
+	u8 *leds[] = { &sprom->gpio0,
+		&sprom->gpio1,
+		&sprom->gpio2,
+		&sprom->gpio3 };
+	unsigned gpio = -1;
+	bool active_low = false;
+
+	/* none by default */
+	radio_led->gpio = -1;
+	radio_led->active_low = false;
+
+	if (!bcma_gpio || !gpio_is_valid(bcma_gpio->base))
+		return -ENODEV;
+
+	/* find radio enabled LED */
+	for (i = 0; i < BRCMS_LED_NO; i++) {
+		u8 led = *leds[i];
+		if ((led & BRCMS_LED_BEH_MASK) == BRCMS_LED_RADIO) {
+			gpio = bcma_gpio->base + i;
+			if (led & BRCMS_LED_AL_MASK)
+				active_low = true;
+			break;
+		}
+	}
+
+	if (gpio == -1 || !gpio_is_valid(gpio))
+		return -ENODEV;
+
+	/* request and configure LED gpio */
+	err = gpio_request_one(gpio,
+				active_low ? GPIOF_OUT_INIT_HIGH
+					: GPIOF_OUT_INIT_LOW,
+				"radio on");
+	if (err) {
+		wiphy_err(wl->wiphy, "requesting led gpio %d failed (err: %d)\n",
+			  gpio, err);
+		return err;
+	}
+	err = gpio_direction_output(gpio, 1);
+	if (err) {
+		wiphy_err(wl->wiphy, "cannot set led gpio %d to output (err: %d)\n",
+			  gpio, err);
+		return err;
+	}
+
+	snprintf(wl->radio_led.name, sizeof(wl->radio_led.name),
+		 "brcmsmac-%s:radio", wiphy_name(wl->wiphy));
+
+	wl->led_dev.name = wl->radio_led.name;
+	wl->led_dev.default_trigger =
+		ieee80211_get_radio_led_name(wl->pub->ieee_hw);
+	wl->led_dev.brightness_set = brcms_led_brightness_set;
+	err = led_classdev_register(wiphy_dev(wl->wiphy), &wl->led_dev);
+
+	if (err) {
+		wiphy_err(wl->wiphy, "cannot register led device: %s (err: %d)\n",
+			  wl->radio_led.name, err);
+		return err;
+	}
+
+	wiphy_info(wl->wiphy, "registered radio enabled led device: %s gpio: %d\n",
+		   wl->radio_led.name,
+		   gpio);
+	radio_led->gpio = gpio;
+	radio_led->active_low = active_low;
+
+	return 0;
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_LED_H_
+#define _BRCM_LED_H_
+struct brcms_led {
+	char name[32];
+	unsigned gpio;
+	bool active_low;
+};
+
+#ifdef CONFIG_BCMA_DRIVER_GPIO
+void brcms_led_unregister(struct brcms_info *wl);
+int brcms_led_register(struct brcms_info *wl);
+#else
+static inline void brcms_led_unregister(struct brcms_info *wl) {};
+static inline int brcms_led_register(struct brcms_info *wl)
+{
+	return -ENOTSUPP;
+};
+#endif
+
+#endif /* _BRCM_LED_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.h

@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_MAC80211_IF_H_
+#define _BRCM_MAC80211_IF_H_
+
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/leds.h>
+
+#include "ucode_loader.h"
+#include "led.h"
+/*
+ * Starting index for 5G rates in the
+ * legacy rate table.
+ */
+#define BRCMS_LEGACY_5G_RATE_OFFSET	4
+
+/* softmac ioctl definitions */
+#define BRCMS_SET_SHORTSLOT_OVERRIDE		146
+
+struct brcms_timer {
+	struct delayed_work dly_wrk;
+	struct brcms_info *wl;
+	void (*fn) (void *);	/* function called upon expiration */
+	void *arg;		/* fixed argument provided to called function */
+	uint ms;
+	bool periodic;
+	bool set;		/* indicates if timer is active */
+	struct brcms_timer *next;	/* for freeing on unload */
+#ifdef DEBUG
+	char *name;		/* Description of the timer */
+#endif
+};
+
+struct brcms_if {
+	uint subunit;		/* WDS/BSS unit */
+	struct pci_dev *pci_dev;
+};
+
+#define MAX_FW_IMAGES		4
+struct brcms_firmware {
+	u32 fw_cnt;
+	const struct firmware *fw_bin[MAX_FW_IMAGES];
+	const struct firmware *fw_hdr[MAX_FW_IMAGES];
+	u32 hdr_num_entries[MAX_FW_IMAGES];
+};
+
+struct brcms_info {
+	struct brcms_pub *pub;		/* pointer to public wlc state */
+	struct brcms_c_info *wlc;	/* pointer to private common data */
+	u32 magic;
+
+	int irq;
+
+	spinlock_t lock;	/* per-device perimeter lock */
+	spinlock_t isr_lock;	/* per-device ISR synchronization lock */
+
+	/* tx flush */
+	wait_queue_head_t tx_flush_wq;
+
+	/* timer related fields */
+	atomic_t callbacks;	/* # outstanding callback functions */
+	struct brcms_timer *timers;	/* timer cleanup queue */
+
+	struct tasklet_struct tasklet;	/* dpc tasklet */
+	bool resched;		/* dpc needs to be and is rescheduled */
+	struct brcms_firmware fw;
+	struct wiphy *wiphy;
+	struct brcms_ucode ucode;
+	bool mute_tx;
+	struct brcms_led radio_led;
+	struct led_classdev led_dev;
+};
+
+/* misc callbacks */
+void brcms_init(struct brcms_info *wl);
+uint brcms_reset(struct brcms_info *wl);
+void brcms_intrson(struct brcms_info *wl);
+u32 brcms_intrsoff(struct brcms_info *wl);
+void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask);
+int brcms_up(struct brcms_info *wl);
+void brcms_down(struct brcms_info *wl);
+void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
+			 bool state, int prio);
+bool brcms_rfkill_set_hw_state(struct brcms_info *wl);
+
+/* timer functions */
+struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
+				     void (*fn) (void *arg), void *arg,
+				     const char *name);
+void brcms_free_timer(struct brcms_timer *timer);
+void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic);
+bool brcms_del_timer(struct brcms_timer *timer);
+void brcms_dpc(unsigned long data);
+void brcms_timer(struct brcms_timer *t);
+void brcms_fatal_error(struct brcms_info *wl);
+
+#endif				/* _BRCM_MAC80211_IF_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.h

@@ -0,0 +1,669 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_MAIN_H_
+#define _BRCM_MAIN_H_
+
+#include <linux/etherdevice.h>
+
+#include <brcmu_utils.h>
+#include "types.h"
+#include "d11.h"
+#include "scb.h"
+
+#define	INVCHANNEL		255	/* invalid channel */
+
+/* max # brcms_c_module_register() calls */
+#define BRCMS_MAXMODULES	22
+
+#define SEQNUM_SHIFT		4
+#define SEQNUM_MAX		0x1000
+
+#define NTXRATE			64	/* # tx MPDUs rate is reported for */
+
+/* Maximum wait time for a MAC suspend */
+/* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
+#define	BRCMS_MAX_MAC_SUSPEND	83000
+
+/* responses for probe requests older that this are tossed, zero to disable */
+#define BRCMS_PRB_RESP_TIMEOUT	0	/* Disable probe response timeout */
+
+/* transmit buffer max headroom for protocol headers */
+#define TXOFF (D11_TXH_LEN + D11_PHY_HDR_LEN)
+
+/* Macros for doing definition and get/set of bitfields
+ * Usage example, e.g. a three-bit field (bits 4-6):
+ *    #define <NAME>_M	BITFIELD_MASK(3)
+ *    #define <NAME>_S	4
+ * ...
+ *    regval = R_REG(osh, &regs->regfoo);
+ *    field = GFIELD(regval, <NAME>);
+ *    regval = SFIELD(regval, <NAME>, 1);
+ *    W_REG(osh, &regs->regfoo, regval);
+ */
+#define BITFIELD_MASK(width) \
+		(((unsigned)1 << (width)) - 1)
+#define GFIELD(val, field) \
+		(((val) >> field ## _S) & field ## _M)
+#define SFIELD(val, field, bits) \
+		(((val) & (~(field ## _M << field ## _S))) | \
+		 ((unsigned)(bits) << field ## _S))
+
+#define	SW_TIMER_MAC_STAT_UPD		30	/* periodic MAC stats update */
+
+/* max # supported core revisions (0 .. MAXCOREREV - 1) */
+#define	MAXCOREREV		28
+
+/* Double check that unsupported cores are not enabled */
+#if CONF_MSK(D11CONF, 0x4f) || CONF_GE(D11CONF, MAXCOREREV)
+#error "Configuration for D11CONF includes unsupported versions."
+#endif				/* Bad versions */
+
+/* values for shortslot_override */
+#define BRCMS_SHORTSLOT_AUTO	-1 /* Driver will manage Shortslot setting */
+#define BRCMS_SHORTSLOT_OFF	0  /* Turn off short slot */
+#define BRCMS_SHORTSLOT_ON	1  /* Turn on short slot */
+
+/* value for short/long and mixmode/greenfield preamble */
+#define BRCMS_LONG_PREAMBLE	(0)
+#define BRCMS_SHORT_PREAMBLE	(1 << 0)
+#define BRCMS_GF_PREAMBLE		(1 << 1)
+#define BRCMS_MM_PREAMBLE		(1 << 2)
+#define BRCMS_IS_MIMO_PREAMBLE(_pre) (((_pre) == BRCMS_GF_PREAMBLE) || \
+				      ((_pre) == BRCMS_MM_PREAMBLE))
+
+/* TxFrameID */
+/* seq and frag bits: SEQNUM_SHIFT, FRAGNUM_MASK (802.11.h) */
+/* rate epoch bits: TXFID_RATE_SHIFT, TXFID_RATE_MASK ((wlc_rate.c) */
+#define TXFID_QUEUE_MASK	0x0007	/* Bits 0-2 */
+#define TXFID_SEQ_MASK		0x7FE0	/* Bits 5-15 */
+#define TXFID_SEQ_SHIFT		5	/* Number of bit shifts */
+#define	TXFID_RATE_PROBE_MASK	0x8000	/* Bit 15 for rate probe */
+#define TXFID_RATE_MASK		0x0018	/* Mask for bits 3 and 4 */
+#define TXFID_RATE_SHIFT	3	/* Shift 3 bits for rate mask */
+
+/* promote boardrev */
+#define BOARDREV_PROMOTABLE	0xFF	/* from */
+#define BOARDREV_PROMOTED	1	/* to */
+
+#define DATA_BLOCK_TX_SUPR	(1 << 4)
+
+/* Ucode MCTL_WAKE override bits */
+#define BRCMS_WAKE_OVERRIDE_CLKCTL	0x01
+#define BRCMS_WAKE_OVERRIDE_PHYREG	0x02
+#define BRCMS_WAKE_OVERRIDE_MACSUSPEND	0x04
+#define BRCMS_WAKE_OVERRIDE_TXFIFO	0x08
+#define BRCMS_WAKE_OVERRIDE_FORCEFAST	0x10
+
+/* stuff pulled in from wlc.c */
+
+/* Interrupt bit error summary.  Don't include I_RU: we refill DMA at other
+ * times; and if we run out, constant I_RU interrupts may cause lockup.  We
+ * will still get error counts from rx0ovfl.
+ */
+#define	I_ERRORS	(I_PC | I_PD | I_DE | I_RO | I_XU)
+/* default software intmasks */
+#define	DEF_RXINTMASK	(I_RI)	/* enable rx int on rxfifo only */
+#define	DEF_MACINTMASK	(MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
+			 MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
+			 MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
+
+#define	MAXTXPKTS		6	/* max # pkts pending */
+
+/* frameburst */
+#define	MAXTXFRAMEBURST		8 /* vanilla xpress mode: max frames/burst */
+#define	MAXFRAMEBURST_TXOP	10000	/* Frameburst TXOP in usec */
+
+#define	NFIFO			6	/* # tx/rx fifopairs */
+
+/* PLL requests */
+
+/* pll is shared on old chips */
+#define BRCMS_PLLREQ_SHARED	0x1
+/* hold pll for radio monitor register checking */
+#define BRCMS_PLLREQ_RADIO_MON	0x2
+/* hold/release pll for some short operation */
+#define BRCMS_PLLREQ_FLIP		0x4
+
+#define	CHANNEL_BANDUNIT(wlc, ch) \
+	(((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
+
+#define	OTHERBANDUNIT(wlc) \
+	((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
+
+/*
+ * 802.11 protection information
+ *
+ * _g: use g spec protection, driver internal.
+ * g_override: override for use of g spec protection.
+ * gmode_user: user config gmode, operating band->gmode is different.
+ * overlap: Overlap BSS/IBSS protection for both 11g and 11n.
+ * nmode_user: user config nmode, operating pub->nmode is different.
+ * n_cfg: use OFDM protection on MIMO frames.
+ * n_cfg_override: override for use of N protection.
+ * nongf: non-GF present protection.
+ * nongf_override: override for use of GF protection.
+ * n_pam_override: override for preamble: MM or GF.
+ * n_obss: indicated OBSS Non-HT STA present.
+*/
+struct brcms_protection {
+	bool _g;
+	s8 g_override;
+	u8 gmode_user;
+	s8 overlap;
+	s8 nmode_user;
+	s8 n_cfg;
+	s8 n_cfg_override;
+	bool nongf;
+	s8 nongf_override;
+	s8 n_pam_override;
+	bool n_obss;
+};
+
+/*
+ * anything affecting the single/dual streams/antenna operation
+ *
+ * hw_txchain: HW txchain bitmap cfg.
+ * txchain: txchain bitmap being used.
+ * txstreams: number of txchains being used.
+ * hw_rxchain: HW rxchain bitmap cfg.
+ * rxchain: rxchain bitmap being used.
+ * rxstreams: number of rxchains being used.
+ * ant_rx_ovr: rx antenna override.
+ * txant: userTx antenna setting.
+ * phytxant: phyTx antenna setting in txheader.
+ * ss_opmode: singlestream Operational mode, 0:siso; 1:cdd.
+ * ss_algosel_auto: if true, use wlc->stf->ss_algo_channel;
+ *			else use wlc->band->stf->ss_mode_band.
+ * ss_algo_channel: ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC.
+ * rxchain_restore_delay: delay time to restore default rxchain.
+ * ldpc: AUTO/ON/OFF ldpc cap supported.
+ * txcore[MAX_STREAMS_SUPPORTED + 1]: bitmap of selected core for each Nsts.
+ * spatial_policy:
+ */
+struct brcms_stf {
+	u8 hw_txchain;
+	u8 txchain;
+	u8 txstreams;
+	u8 hw_rxchain;
+	u8 rxchain;
+	u8 rxstreams;
+	u8 ant_rx_ovr;
+	s8 txant;
+	u16 phytxant;
+	u8 ss_opmode;
+	bool ss_algosel_auto;
+	u16 ss_algo_channel;
+	u8 rxchain_restore_delay;
+	s8 ldpc;
+	u8 txcore[MAX_STREAMS_SUPPORTED + 1];
+	s8 spatial_policy;
+};
+
+#define BRCMS_STF_SS_STBC_TX(wlc, scb) \
+	(((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) \
+	 || (((scb)->flags & SCB_STBCCAP) && \
+	     (wlc)->band->band_stf_stbc_tx == AUTO && \
+	     isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
+
+#define BRCMS_STBC_CAP_PHY(wlc) (BRCMS_ISNPHY(wlc->band) && \
+				 NREV_GE(wlc->band->phyrev, 3))
+
+#define BRCMS_SGI_CAP_PHY(wlc) ((BRCMS_ISNPHY(wlc->band) && \
+				 NREV_GE(wlc->band->phyrev, 3)) || \
+				BRCMS_ISLCNPHY(wlc->band))
+
+#define BRCMS_CHAN_PHYTYPE(x)     (((x) & RXS_CHAN_PHYTYPE_MASK) \
+				   >> RXS_CHAN_PHYTYPE_SHIFT)
+#define BRCMS_CHAN_CHANNEL(x)     (((x) & RXS_CHAN_ID_MASK) \
+				   >> RXS_CHAN_ID_SHIFT)
+
+/*
+ * core state (mac)
+ */
+struct brcms_core {
+	uint coreidx;		/* # sb enumerated core */
+
+	/* fifo */
+	uint *txavail[NFIFO];	/* # tx descriptors available */
+
+	struct macstat *macstat_snapshot;	/* mac hw prev read values */
+};
+
+/*
+ * band state (phy+ana+radio)
+ */
+struct brcms_band {
+	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
+	uint bandunit;		/* bandstate[] index */
+
+	u16 phytype;		/* phytype */
+	u16 phyrev;
+	u16 radioid;
+	u16 radiorev;
+	struct brcms_phy_pub *pi; /* pointer to phy specific information */
+	bool abgphy_encore;
+
+	u8 gmode;		/* currently active gmode */
+
+	struct scb *hwrs_scb;	/* permanent scb for hw rateset */
+
+	/* band-specific copy of default_bss.rateset */
+	struct brcms_c_rateset defrateset;
+
+	u8 band_stf_ss_mode;	/* Configured STF type, 0:siso; 1:cdd */
+	s8 band_stf_stbc_tx;	/* STBC TX 0:off; 1:force on; -1:auto */
+	/* rates supported by chip (phy-specific) */
+	struct brcms_c_rateset hw_rateset;
+	u8 basic_rate[BRCM_MAXRATE + 1]; /* basic rates indexed by rate */
+	bool mimo_cap_40;	/* 40 MHz cap enabled on this band */
+	s8 antgain;		/* antenna gain from srom */
+
+	u16 CWmin; /* minimum size of contention window, in unit of aSlotTime */
+	u16 CWmax; /* maximum size of contention window, in unit of aSlotTime */
+	struct ieee80211_supported_band band;
+};
+
+/* module control blocks */
+struct modulecb {
+	/* module name : NULL indicates empty array member */
+	char name[32];
+	/* handle passed when handler 'doiovar' is called */
+	struct brcms_info *hdl;
+
+	int (*down_fn)(void *handle); /* down handler. Note: the int returned
+				       * by the down function is a count of the
+				       * number of timers that could not be
+				       * freed.
+				       */
+
+};
+
+struct brcms_hw_band {
+	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
+	uint bandunit;		/* bandstate[] index */
+	u16 mhfs[MHFMAX];	/* MHF array shadow */
+	u8 bandhw_stf_ss_mode;	/* HW configured STF type, 0:siso; 1:cdd */
+	u16 CWmin;
+	u16 CWmax;
+	u32 core_flags;
+
+	u16 phytype;		/* phytype */
+	u16 phyrev;
+	u16 radioid;
+	u16 radiorev;
+	struct brcms_phy_pub *pi; /* pointer to phy specific information */
+	bool abgphy_encore;
+};
+
+struct brcms_hardware {
+	bool _piomode;		/* true if pio mode */
+	struct brcms_c_info *wlc;
+
+	/* fifo */
+	struct dma_pub *di[NFIFO];	/* dma handles, per fifo */
+
+	uint unit;		/* device instance number */
+
+	/* version info */
+	u16 vendorid;	/* PCI vendor id */
+	u16 deviceid;	/* PCI device id */
+	uint corerev;		/* core revision */
+	u8 sromrev;		/* version # of the srom */
+	u16 boardrev;	/* version # of particular board */
+	u32 boardflags;	/* Board specific flags from srom */
+	u32 boardflags2;	/* More board flags if sromrev >= 4 */
+	u32 machwcap;	/* MAC capabilities */
+	u32 machwcap_backup;	/* backup of machwcap */
+
+	struct si_pub *sih;	/* SI handle (cookie for siutils calls) */
+	struct bcma_device *d11core;	/* pointer to 802.11 core */
+	struct phy_shim_info *physhim; /* phy shim layer handler */
+	struct shared_phy *phy_sh;	/* pointer to shared phy state */
+	struct brcms_hw_band *band;/* pointer to active per-band state */
+	/* band state per phy/radio */
+	struct brcms_hw_band *bandstate[MAXBANDS];
+	u16 bmac_phytxant;	/* cache of high phytxant state */
+	bool shortslot;		/* currently using 11g ShortSlot timing */
+	u16 SRL;		/* 802.11 dot11ShortRetryLimit */
+	u16 LRL;		/* 802.11 dot11LongRetryLimit */
+	u16 SFBL;		/* Short Frame Rate Fallback Limit */
+	u16 LFBL;		/* Long Frame Rate Fallback Limit */
+
+	bool up;		/* d11 hardware up and running */
+	uint now;		/* # elapsed seconds */
+	uint _nbands;		/* # bands supported */
+	u16 chanspec;	/* bmac chanspec shadow */
+
+	uint *txavail[NFIFO];	/* # tx descriptors available */
+	const u16 *xmtfifo_sz;	/* fifo size in 256B for each xmt fifo */
+
+	u32 pllreq;		/* pll requests to keep PLL on */
+
+	u8 suspended_fifos;	/* Which TX fifo to remain awake for */
+	u32 maccontrol;	/* Cached value of maccontrol */
+	uint mac_suspend_depth;	/* current depth of mac_suspend levels */
+	u32 wake_override;	/* bit flags to force MAC to WAKE mode */
+	u32 mute_override;	/* Prevent ucode from sending beacons */
+	u8 etheraddr[ETH_ALEN];	/* currently configured ethernet address */
+	bool noreset;		/* true= do not reset hw, used by WLC_OUT */
+	bool forcefastclk;	/* true if h/w is forcing to use fast clk */
+	bool clk;		/* core is out of reset and has clock */
+	bool sbclk;		/* sb has clock */
+	bool phyclk;		/* phy is out of reset and has clock */
+
+	bool ucode_loaded;	/* true after ucode downloaded */
+
+
+	u8 hw_stf_ss_opmode;	/* STF single stream operation mode */
+	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
+				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
+				 */
+	u32 antsel_avail;	/*
+				 * put struct antsel_info here if more info is
+				 * needed
+				 */
+};
+
+/*
+ * Principal common driver data structure.
+ *
+ * pub: pointer to driver public state.
+ * wl: pointer to specific private state.
+ * hw: HW related state.
+ * clkreq_override: setting for clkreq for PCIE : Auto, 0, 1.
+ * fastpwrup_dly: time in us needed to bring up d11 fast clock.
+ * macintstatus: bit channel between isr and dpc.
+ * macintmask: sw runtime master macintmask value.
+ * defmacintmask: default "on" macintmask value.
+ * clk: core is out of reset and has clock.
+ * core: pointer to active io core.
+ * band: pointer to active per-band state.
+ * corestate: per-core state (one per hw core).
+ * bandstate: per-band state (one per phy/radio).
+ * qvalid: DirFrmQValid and BcMcFrmQValid.
+ * ampdu: ampdu module handler.
+ * asi: antsel module handler.
+ * cmi: channel manager module handler.
+ * vendorid: PCI vendor id.
+ * deviceid: PCI device id.
+ * ucode_rev: microcode revision.
+ * machwcap: MAC capabilities, BMAC shadow.
+ * perm_etheraddr: original sprom local ethernet address.
+ * bandlocked: disable auto multi-band switching.
+ * bandinit_pending: track band init in auto band.
+ * radio_monitor: radio timer is running.
+ * going_down: down path intermediate variable.
+ * wdtimer: timer for watchdog routine.
+ * radio_timer: timer for hw radio button monitor routine.
+ * monitor: monitor (MPDU sniffing) mode.
+ * bcnmisc_monitor: bcns promisc mode override for monitor.
+ * _rifs: enable per-packet rifs.
+ * bcn_li_bcn: beacon listen interval in # beacons.
+ * bcn_li_dtim: beacon listen interval in # dtims.
+ * WDarmed: watchdog timer is armed.
+ * WDlast: last time wlc_watchdog() was called.
+ * edcf_txop[IEEE80211_NUM_ACS]: current txop for each ac.
+ * wme_retries: per-AC retry limits.
+ * bsscfg: set of BSS configurations, idx 0 is default and always valid.
+ * cfg: the primary bsscfg (can be AP or STA).
+ * modulecb:
+ * mimoft: SIGN or 11N.
+ * cck_40txbw: 11N, cck tx b/w override when in 40MHZ mode.
+ * ofdm_40txbw: 11N, ofdm tx b/w override when in 40MHZ mode.
+ * mimo_40txbw: 11N, mimo tx b/w override when in 40MHZ mode.
+ * default_bss: configured BSS parameters.
+ * mc_fid_counter: BC/MC FIFO frame ID counter.
+ * country_default: saved country for leaving 802.11d auto-country mode.
+ * autocountry_default: initial country for 802.11d auto-country mode.
+ * prb_resp_timeout: do not send prb resp if request older
+ *		     than this, 0 = disable.
+ * home_chanspec: shared home chanspec.
+ * chanspec: target operational channel.
+ * usr_fragthresh: user configured fragmentation threshold.
+ * fragthresh[NFIFO]: per-fifo fragmentation thresholds.
+ * RTSThresh: 802.11 dot11RTSThreshold.
+ * SRL: 802.11 dot11ShortRetryLimit.
+ * LRL: 802.11 dot11LongRetryLimit.
+ * SFBL: Short Frame Rate Fallback Limit.
+ * LFBL: Long Frame Rate Fallback Limit.
+ * shortslot: currently using 11g ShortSlot timing.
+ * shortslot_override: 11g ShortSlot override.
+ * include_legacy_erp: include Legacy ERP info elt ID 47 as well as g ID 42.
+ * PLCPHdr_override: 802.11b Preamble Type override.
+ * stf:
+ * bcn_rspec: save bcn ratespec purpose.
+ * tempsense_lasttime;
+ * tx_duty_cycle_ofdm: maximum allowed duty cycle for OFDM.
+ * tx_duty_cycle_cck: maximum allowed duty cycle for CCK.
+ * wiphy:
+ * pri_scb: primary Station Control Block
+ */
+struct brcms_c_info {
+	struct brcms_pub *pub;
+	struct brcms_info *wl;
+	struct brcms_hardware *hw;
+
+	/* clock */
+	u16 fastpwrup_dly;
+
+	/* interrupt */
+	u32 macintstatus;
+	u32 macintmask;
+	u32 defmacintmask;
+
+	bool clk;
+
+	/* multiband */
+	struct brcms_core *core;
+	struct brcms_band *band;
+	struct brcms_core *corestate;
+	struct brcms_band *bandstate[MAXBANDS];
+
+	/* packet queue */
+	uint qvalid;
+
+	struct ampdu_info *ampdu;
+	struct antsel_info *asi;
+	struct brcms_cm_info *cmi;
+
+	u16 vendorid;
+	u16 deviceid;
+	uint ucode_rev;
+
+	u8 perm_etheraddr[ETH_ALEN];
+
+	bool bandlocked;
+	bool bandinit_pending;
+
+	bool radio_monitor;
+	bool going_down;
+
+	bool beacon_template_virgin;
+
+	struct brcms_timer *wdtimer;
+	struct brcms_timer *radio_timer;
+
+	/* promiscuous */
+	uint filter_flags;
+
+	/* driver feature */
+	bool _rifs;
+
+	/* AP-STA synchronization, power save */
+	u8 bcn_li_bcn;
+	u8 bcn_li_dtim;
+
+	bool WDarmed;
+	u32 WDlast;
+
+	/* WME */
+	u16 edcf_txop[IEEE80211_NUM_ACS];
+
+	u16 wme_retries[IEEE80211_NUM_ACS];
+
+	struct brcms_bss_cfg *bsscfg;
+
+	struct modulecb *modulecb;
+
+	u8 mimoft;
+	s8 cck_40txbw;
+	s8 ofdm_40txbw;
+	s8 mimo_40txbw;
+
+	struct brcms_bss_info *default_bss;
+
+	u16 mc_fid_counter;
+
+	char country_default[BRCM_CNTRY_BUF_SZ];
+	char autocountry_default[BRCM_CNTRY_BUF_SZ];
+	u16 prb_resp_timeout;
+
+	u16 home_chanspec;
+
+	/* PHY parameters */
+	u16 chanspec;
+	u16 usr_fragthresh;
+	u16 fragthresh[NFIFO];
+	u16 RTSThresh;
+	u16 SRL;
+	u16 LRL;
+	u16 SFBL;
+	u16 LFBL;
+
+	/* network config */
+	bool shortslot;
+	s8 shortslot_override;
+	bool include_legacy_erp;
+
+	struct brcms_protection *protection;
+	s8 PLCPHdr_override;
+
+	struct brcms_stf *stf;
+
+	u32 bcn_rspec;
+
+	uint tempsense_lasttime;
+
+	u16 tx_duty_cycle_ofdm;
+	u16 tx_duty_cycle_cck;
+
+	struct wiphy *wiphy;
+	struct scb pri_scb;
+
+	struct sk_buff *beacon;
+	u16 beacon_tim_offset;
+	u16 beacon_dtim_period;
+	struct sk_buff *probe_resp;
+};
+
+/* antsel module specific state */
+struct antsel_info {
+	struct brcms_c_info *wlc;	/* pointer to main wlc structure */
+	struct brcms_pub *pub;		/* pointer to public fn */
+	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
+				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
+				 */
+	u8 antsel_antswitch;	/* board level antenna switch type */
+	bool antsel_avail;	/* Ant selection availability (SROM based) */
+	struct brcms_antselcfg antcfg_11n; /* antenna configuration */
+	struct brcms_antselcfg antcfg_cur; /* current antenna config (auto) */
+};
+
+enum brcms_bss_type {
+	BRCMS_TYPE_STATION,
+	BRCMS_TYPE_AP,
+	BRCMS_TYPE_ADHOC,
+};
+
+/*
+ * BSS configuration state
+ *
+ * wlc: wlc to which this bsscfg belongs to.
+ * type: interface type
+ * SSID_len: the length of SSID
+ * SSID: SSID string
+ *
+ *
+ * BSSID: BSSID (associated)
+ * cur_etheraddr: h/w address
+ * flags: BSSCFG flags; see below
+ *
+ * current_bss: BSS parms in ASSOCIATED state
+ *
+ *
+ * ID: 'unique' ID of this bsscfg, assigned at bsscfg allocation
+ */
+struct brcms_bss_cfg {
+	struct brcms_c_info *wlc;
+	enum brcms_bss_type type;
+	u8 SSID_len;
+	u8 SSID[IEEE80211_MAX_SSID_LEN];
+	u8 BSSID[ETH_ALEN];
+	struct brcms_bss_info *current_bss;
+};
+
+int brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p);
+int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
+			   uint *blocks);
+
+int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
+void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
+u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec, uint mac_len);
+u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, u32 rspec,
+			       bool use_rspec, u16 mimo_ctlchbw);
+u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
+			       u32 rts_rate, u32 frame_rate,
+			       u8 rts_preamble_type, u8 frame_preamble_type,
+			       uint frame_len, bool ba);
+void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
+			    struct ieee80211_sta *sta, void (*dma_callback_fn));
+void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
+int brcms_c_set_nmode(struct brcms_c_info *wlc);
+void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc, u32 bcn_rate);
+void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type);
+void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
+			  bool mute, struct txpwr_limits *txpwr);
+void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v);
+u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
+void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val,
+		 int bands);
+void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
+void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
+void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
+void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
+void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
+void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
+				     u32 override_bit);
+void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
+				       u32 override_bit);
+void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset,
+				int len, void *buf);
+u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
+void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset,
+			   const void *buf, int len, u32 sel);
+void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
+			     void *buf, int len, u32 sel);
+void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
+u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
+void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
+void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
+void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
+void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
+void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode);
+void brcms_c_init_scb(struct scb *scb);
+
+#endif				/* _BRCM_MAIN_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_hal.h

@@ -0,0 +1,284 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * phy_hal.h:  functionality exported from the phy to higher layers
+ */
+
+#ifndef _BRCM_PHY_HAL_H_
+#define _BRCM_PHY_HAL_H_
+
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include <phy_shim.h>
+
+#define	IDCODE_VER_MASK		0x0000000f
+#define	IDCODE_VER_SHIFT	0
+#define	IDCODE_MFG_MASK		0x00000fff
+#define	IDCODE_MFG_SHIFT	0
+#define	IDCODE_ID_MASK		0x0ffff000
+#define	IDCODE_ID_SHIFT		12
+#define	IDCODE_REV_MASK		0xf0000000
+#define	IDCODE_REV_SHIFT	28
+
+#define	NORADIO_ID		0xe4f5
+#define	NORADIO_IDCODE		0x4e4f5246
+
+#define BCM2055_ID		0x2055
+#define BCM2055_IDCODE		0x02055000
+#define BCM2055A0_IDCODE	0x1205517f
+
+#define BCM2056_ID		0x2056
+#define BCM2056_IDCODE		0x02056000
+#define BCM2056A0_IDCODE	0x1205617f
+
+#define BCM2057_ID		0x2057
+#define BCM2057_IDCODE		0x02057000
+#define BCM2057A0_IDCODE	0x1205717f
+
+#define BCM2064_ID		0x2064
+#define BCM2064_IDCODE		0x02064000
+#define BCM2064A0_IDCODE	0x0206417f
+
+#define PHY_TPC_HW_OFF		false
+#define PHY_TPC_HW_ON		true
+
+#define PHY_PERICAL_DRIVERUP	1
+#define PHY_PERICAL_WATCHDOG	2
+#define PHY_PERICAL_PHYINIT	3
+#define PHY_PERICAL_JOIN_BSS	4
+#define PHY_PERICAL_START_IBSS	5
+#define PHY_PERICAL_UP_BSS	6
+#define PHY_PERICAL_CHAN	7
+#define PHY_FULLCAL	8
+
+#define PHY_PERICAL_DISABLE	0
+#define PHY_PERICAL_SPHASE	1
+#define PHY_PERICAL_MPHASE	2
+#define PHY_PERICAL_MANUAL	3
+
+#define PHY_HOLD_FOR_ASSOC	1
+#define PHY_HOLD_FOR_SCAN	2
+#define PHY_HOLD_FOR_RM		4
+#define PHY_HOLD_FOR_PLT	8
+#define PHY_HOLD_FOR_MUTE	16
+#define PHY_HOLD_FOR_NOT_ASSOC 0x20
+
+#define PHY_MUTE_FOR_PREISM	1
+#define PHY_MUTE_ALL		0xffffffff
+
+#define PHY_NOISE_FIXED_VAL		(-95)
+#define PHY_NOISE_FIXED_VAL_NPHY	(-92)
+#define PHY_NOISE_FIXED_VAL_LCNPHY	(-92)
+
+#define PHY_MODE_CAL		0x0002
+#define PHY_MODE_NOISEM		0x0004
+
+#define BRCMS_TXPWR_DB_FACTOR	4
+
+/* a large TX Power as an init value to factor out of min() calculations,
+ * keep low enough to fit in an s8, units are .25 dBm
+ */
+#define BRCMS_TXPWR_MAX		(127)	/* ~32 dBm = 1,500 mW */
+
+#define BRCMS_NUM_RATES_CCK           4
+#define BRCMS_NUM_RATES_OFDM          8
+#define BRCMS_NUM_RATES_MCS_1_STREAM  8
+#define BRCMS_NUM_RATES_MCS_2_STREAM  8
+#define BRCMS_NUM_RATES_MCS_3_STREAM  8
+#define BRCMS_NUM_RATES_MCS_4_STREAM  8
+
+#define	BRCMS_RSSI_INVALID	 0	/* invalid RSSI value */
+
+struct d11regs;
+struct phy_shim_info;
+
+struct txpwr_limits {
+	u8 cck[BRCMS_NUM_RATES_CCK];
+	u8 ofdm[BRCMS_NUM_RATES_OFDM];
+
+	u8 ofdm_cdd[BRCMS_NUM_RATES_OFDM];
+
+	u8 ofdm_40_siso[BRCMS_NUM_RATES_OFDM];
+	u8 ofdm_40_cdd[BRCMS_NUM_RATES_OFDM];
+
+	u8 mcs_20_siso[BRCMS_NUM_RATES_MCS_1_STREAM];
+	u8 mcs_20_cdd[BRCMS_NUM_RATES_MCS_1_STREAM];
+	u8 mcs_20_stbc[BRCMS_NUM_RATES_MCS_1_STREAM];
+	u8 mcs_20_mimo[BRCMS_NUM_RATES_MCS_2_STREAM];
+
+	u8 mcs_40_siso[BRCMS_NUM_RATES_MCS_1_STREAM];
+	u8 mcs_40_cdd[BRCMS_NUM_RATES_MCS_1_STREAM];
+	u8 mcs_40_stbc[BRCMS_NUM_RATES_MCS_1_STREAM];
+	u8 mcs_40_mimo[BRCMS_NUM_RATES_MCS_2_STREAM];
+	u8 mcs32;
+};
+
+struct tx_power {
+	u32 flags;
+	u16 chanspec;   /* txpwr report for this channel */
+	u16 local_chanspec;     /* channel on which we are associated */
+	u8 local_max;   /* local max according to the AP */
+	u8 local_constraint;    /* local constraint according to the AP */
+	s8 antgain[2];  /* Ant gain for each band - from SROM */
+	u8 rf_cores;            /* count of RF Cores being reported */
+	u8 est_Pout[4]; /* Latest tx power out estimate per RF chain */
+	u8 est_Pout_act[4];     /* Latest tx power out estimate per RF chain
+				 * without adjustment */
+	u8 est_Pout_cck;        /* Latest CCK tx power out estimate */
+	u8 tx_power_max[4];     /* Maximum target power among all rates */
+	/* Index of the rate with the max target power */
+	u8 tx_power_max_rate_ind[4];
+	/* User limit */
+	u8 user_limit[WL_TX_POWER_RATES];
+	/* Regulatory power limit */
+	u8 reg_limit[WL_TX_POWER_RATES];
+	/* Max power board can support (SROM) */
+	u8 board_limit[WL_TX_POWER_RATES];
+	/* Latest target power */
+	u8 target[WL_TX_POWER_RATES];
+};
+
+struct tx_inst_power {
+	u8 txpwr_est_Pout[2];   /* Latest estimate for 2.4 and 5 Ghz */
+	u8 txpwr_est_Pout_gofdm;        /* Pwr estimate for 2.4 OFDM */
+};
+
+struct brcms_chanvec {
+	u8 vec[MAXCHANNEL / NBBY];
+};
+
+struct shared_phy_params {
+	struct si_pub *sih;
+	struct phy_shim_info *physhim;
+	uint unit;
+	uint corerev;
+	u16 vid;
+	u16 did;
+	uint chip;
+	uint chiprev;
+	uint chippkg;
+	uint sromrev;
+	uint boardtype;
+	uint boardrev;
+	u32 boardflags;
+	u32 boardflags2;
+};
+
+
+struct shared_phy *wlc_phy_shared_attach(struct shared_phy_params *shp);
+struct brcms_phy_pub *wlc_phy_attach(struct shared_phy *sh,
+				     struct bcma_device *d11core, int bandtype,
+				     struct wiphy *wiphy);
+void wlc_phy_detach(struct brcms_phy_pub *ppi);
+
+bool wlc_phy_get_phyversion(struct brcms_phy_pub *pih, u16 *phytype,
+			    u16 *phyrev, u16 *radioid, u16 *radiover);
+bool wlc_phy_get_encore(struct brcms_phy_pub *pih);
+u32 wlc_phy_get_coreflags(struct brcms_phy_pub *pih);
+
+void wlc_phy_hw_clk_state_upd(struct brcms_phy_pub *ppi, bool newstate);
+void wlc_phy_hw_state_upd(struct brcms_phy_pub *ppi, bool newstate);
+void wlc_phy_init(struct brcms_phy_pub *ppi, u16 chanspec);
+void wlc_phy_watchdog(struct brcms_phy_pub *ppi);
+int wlc_phy_down(struct brcms_phy_pub *ppi);
+u32 wlc_phy_clk_bwbits(struct brcms_phy_pub *pih);
+void wlc_phy_cal_init(struct brcms_phy_pub *ppi);
+void wlc_phy_antsel_init(struct brcms_phy_pub *ppi, bool lut_init);
+
+void wlc_phy_chanspec_set(struct brcms_phy_pub *ppi, u16 chanspec);
+u16 wlc_phy_chanspec_get(struct brcms_phy_pub *ppi);
+void wlc_phy_chanspec_radio_set(struct brcms_phy_pub *ppi, u16 newch);
+u16 wlc_phy_bw_state_get(struct brcms_phy_pub *ppi);
+void wlc_phy_bw_state_set(struct brcms_phy_pub *ppi, u16 bw);
+
+int wlc_phy_rssi_compute(struct brcms_phy_pub *pih, struct d11rxhdr *rxh);
+void wlc_phy_por_inform(struct brcms_phy_pub *ppi);
+void wlc_phy_noise_sample_intr(struct brcms_phy_pub *ppi);
+bool wlc_phy_bist_check_phy(struct brcms_phy_pub *ppi);
+
+void wlc_phy_set_deaf(struct brcms_phy_pub *ppi, bool user_flag);
+
+void wlc_phy_switch_radio(struct brcms_phy_pub *ppi, bool on);
+void wlc_phy_anacore(struct brcms_phy_pub *ppi, bool on);
+
+
+void wlc_phy_BSSinit(struct brcms_phy_pub *ppi, bool bonlyap, int rssi);
+
+void wlc_phy_chanspec_ch14_widefilter_set(struct brcms_phy_pub *ppi,
+					  bool wide_filter);
+void wlc_phy_chanspec_band_validch(struct brcms_phy_pub *ppi, uint band,
+				   struct brcms_chanvec *channels);
+u16 wlc_phy_chanspec_band_firstch(struct brcms_phy_pub *ppi, uint band);
+
+void wlc_phy_txpower_sromlimit(struct brcms_phy_pub *ppi, uint chan, u8 *_min_,
+			       u8 *_max_, int rate);
+void wlc_phy_txpower_sromlimit_max_get(struct brcms_phy_pub *ppi, uint chan,
+				       u8 *_max_, u8 *_min_);
+void wlc_phy_txpower_boardlimit_band(struct brcms_phy_pub *ppi, uint band,
+				     s32 *, s32 *, u32 *);
+void wlc_phy_txpower_limit_set(struct brcms_phy_pub *ppi, struct txpwr_limits *,
+			       u16 chanspec);
+int wlc_phy_txpower_get(struct brcms_phy_pub *ppi, uint *qdbm, bool *override);
+int wlc_phy_txpower_set(struct brcms_phy_pub *ppi, uint qdbm, bool override);
+void wlc_phy_txpower_target_set(struct brcms_phy_pub *ppi,
+				struct txpwr_limits *);
+bool wlc_phy_txpower_hw_ctrl_get(struct brcms_phy_pub *ppi);
+void wlc_phy_txpower_hw_ctrl_set(struct brcms_phy_pub *ppi, bool hwpwrctrl);
+u8 wlc_phy_txpower_get_target_min(struct brcms_phy_pub *ppi);
+u8 wlc_phy_txpower_get_target_max(struct brcms_phy_pub *ppi);
+bool wlc_phy_txpower_ipa_ison(struct brcms_phy_pub *pih);
+
+void wlc_phy_stf_chain_init(struct brcms_phy_pub *pih, u8 txchain, u8 rxchain);
+void wlc_phy_stf_chain_set(struct brcms_phy_pub *pih, u8 txchain, u8 rxchain);
+void wlc_phy_stf_chain_get(struct brcms_phy_pub *pih, u8 *txchain, u8 *rxchain);
+u8 wlc_phy_stf_chain_active_get(struct brcms_phy_pub *pih);
+s8 wlc_phy_stf_ssmode_get(struct brcms_phy_pub *pih, u16 chanspec);
+void wlc_phy_ldpc_override_set(struct brcms_phy_pub *ppi, bool val);
+
+void wlc_phy_cal_perical(struct brcms_phy_pub *ppi, u8 reason);
+void wlc_phy_noise_sample_request_external(struct brcms_phy_pub *ppi);
+void wlc_phy_edcrs_lock(struct brcms_phy_pub *pih, bool lock);
+void wlc_phy_cal_papd_recal(struct brcms_phy_pub *ppi);
+
+void wlc_phy_ant_rxdiv_set(struct brcms_phy_pub *ppi, u8 val);
+void wlc_phy_clear_tssi(struct brcms_phy_pub *ppi);
+void wlc_phy_hold_upd(struct brcms_phy_pub *ppi, u32 id, bool val);
+void wlc_phy_mute_upd(struct brcms_phy_pub *ppi, bool val, u32 flags);
+
+void wlc_phy_antsel_type_set(struct brcms_phy_pub *ppi, u8 antsel_type);
+
+void wlc_phy_txpower_get_current(struct brcms_phy_pub *ppi,
+				 struct tx_power *power, uint channel);
+
+void wlc_phy_initcal_enable(struct brcms_phy_pub *pih, bool initcal);
+bool wlc_phy_test_ison(struct brcms_phy_pub *ppi);
+void wlc_phy_txpwr_percent_set(struct brcms_phy_pub *ppi, u8 txpwr_percent);
+void wlc_phy_ofdm_rateset_war(struct brcms_phy_pub *pih, bool war);
+void wlc_phy_bf_preempt_enable(struct brcms_phy_pub *pih, bool bf_preempt);
+void wlc_phy_machwcap_set(struct brcms_phy_pub *ppi, u32 machwcap);
+
+void wlc_phy_runbist_config(struct brcms_phy_pub *ppi, bool start_end);
+
+void wlc_phy_freqtrack_start(struct brcms_phy_pub *ppi);
+void wlc_phy_freqtrack_end(struct brcms_phy_pub *ppi);
+
+const u8 *wlc_phy_get_ofdm_rate_lookup(void);
+
+s8 wlc_phy_get_tx_power_offset_by_mcs(struct brcms_phy_pub *ppi,
+				      u8 mcs_offset);
+s8 wlc_phy_get_tx_power_offset(struct brcms_phy_pub *ppi, u8 tbl_offset);
+#endif                          /* _BRCM_PHY_HAL_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.h

@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_PHY_LCN_H_
+#define _BRCM_PHY_LCN_H_
+
+#include <types.h>
+
+struct brcms_phy_lcnphy {
+	int lcnphy_txrf_sp_9_override;
+	u8 lcnphy_full_cal_channel;
+	u8 lcnphy_cal_counter;
+	u16 lcnphy_cal_temper;
+	bool lcnphy_recal;
+
+	u8 lcnphy_rc_cap;
+	u32 lcnphy_mcs20_po;
+
+	u8 lcnphy_tr_isolation_mid;
+	u8 lcnphy_tr_isolation_low;
+	u8 lcnphy_tr_isolation_hi;
+
+	u8 lcnphy_bx_arch;
+	u8 lcnphy_rx_power_offset;
+	u8 lcnphy_rssi_vf;
+	u8 lcnphy_rssi_vc;
+	u8 lcnphy_rssi_gs;
+	u8 lcnphy_tssi_val;
+	u8 lcnphy_rssi_vf_lowtemp;
+	u8 lcnphy_rssi_vc_lowtemp;
+	u8 lcnphy_rssi_gs_lowtemp;
+
+	u8 lcnphy_rssi_vf_hightemp;
+	u8 lcnphy_rssi_vc_hightemp;
+	u8 lcnphy_rssi_gs_hightemp;
+
+	s16 lcnphy_pa0b0;
+	s16 lcnphy_pa0b1;
+	s16 lcnphy_pa0b2;
+
+	u16 lcnphy_rawtempsense;
+	u8 lcnphy_measPower;
+	u8 lcnphy_tempsense_slope;
+	u8 lcnphy_freqoffset_corr;
+	u8 lcnphy_tempsense_option;
+	u8 lcnphy_tempcorrx;
+	bool lcnphy_iqcal_swp_dis;
+	bool lcnphy_hw_iqcal_en;
+	uint lcnphy_bandedge_corr;
+	bool lcnphy_spurmod;
+	u16 lcnphy_tssi_tx_cnt;
+	u16 lcnphy_tssi_idx;
+	u16 lcnphy_tssi_npt;
+
+	u16 lcnphy_target_tx_freq;
+	s8 lcnphy_tx_power_idx_override;
+	u16 lcnphy_noise_samples;
+
+	u32 lcnphy_papdRxGnIdx;
+	u32 lcnphy_papd_rxGnCtrl_init;
+
+	u32 lcnphy_gain_idx_14_lowword;
+	u32 lcnphy_gain_idx_14_hiword;
+	u32 lcnphy_gain_idx_27_lowword;
+	u32 lcnphy_gain_idx_27_hiword;
+	s16 lcnphy_ofdmgainidxtableoffset;
+	s16 lcnphy_dsssgainidxtableoffset;
+	u32 lcnphy_tr_R_gain_val;
+	u32 lcnphy_tr_T_gain_val;
+	s8 lcnphy_input_pwr_offset_db;
+	u16 lcnphy_Med_Low_Gain_db;
+	u16 lcnphy_Very_Low_Gain_db;
+	s8 lcnphy_lastsensed_temperature;
+	s8 lcnphy_pkteng_rssi_slope;
+	u8 lcnphy_saved_tx_user_target[TXP_NUM_RATES];
+	u8 lcnphy_volt_winner;
+	u8 lcnphy_volt_low;
+	u8 lcnphy_54_48_36_24mbps_backoff;
+	u8 lcnphy_11n_backoff;
+	u8 lcnphy_lowerofdm;
+	u8 lcnphy_cck;
+	u8 lcnphy_psat_2pt3_detected;
+	s32 lcnphy_lowest_Re_div_Im;
+	s8 lcnphy_final_papd_cal_idx;
+	u16 lcnphy_extstxctrl4;
+	u16 lcnphy_extstxctrl0;
+	u16 lcnphy_extstxctrl1;
+	s16 lcnphy_cck_dig_filt_type;
+	s16 lcnphy_ofdm_dig_filt_type;
+	struct lcnphy_cal_results lcnphy_cal_results;
+
+	u8 lcnphy_psat_pwr;
+	u8 lcnphy_psat_indx;
+	s32 lcnphy_min_phase;
+	u8 lcnphy_final_idx;
+	u8 lcnphy_start_idx;
+	u8 lcnphy_current_index;
+	u16 lcnphy_logen_buf_1;
+	u16 lcnphy_local_ovr_2;
+	u16 lcnphy_local_oval_6;
+	u16 lcnphy_local_oval_5;
+	u16 lcnphy_logen_mixer_1;
+
+	u8 lcnphy_aci_stat;
+	uint lcnphy_aci_start_time;
+	s8 lcnphy_tx_power_offset[TXP_NUM_RATES];
+};
+#endif				/* _BRCM_PHY_LCN_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_qmath.c

@@ -0,0 +1,308 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "phy_qmath.h"
+
+/*
+ * Description: This function make 16 bit unsigned multiplication.
+ * To fit the output into 16 bits the 32 bit multiplication result is right
+ * shifted by 16 bits.
+ */
+u16 qm_mulu16(u16 op1, u16 op2)
+{
+	return (u16) (((u32) op1 * (u32) op2) >> 16);
+}
+
+/*
+ * Description: This function make 16 bit multiplication and return the result
+ * in 16 bits. To fit the multiplication result into 16 bits the multiplication
+ * result is right shifted by 15 bits. Right shifting 15 bits instead of 16 bits
+ * is done to remove the extra sign bit formed due to the multiplication.
+ * When both the 16bit inputs are 0x8000 then the output is saturated to
+ * 0x7fffffff.
+ */
+s16 qm_muls16(s16 op1, s16 op2)
+{
+	s32 result;
+	if (op1 == (s16) 0x8000 && op2 == (s16) 0x8000)
+		result = 0x7fffffff;
+	else
+		result = ((s32) (op1) * (s32) (op2));
+
+	return (s16) (result >> 15);
+}
+
+/*
+ * Description: This function add two 32 bit numbers and return the 32bit
+ * result. If the result overflow 32 bits, the output will be saturated to
+ * 32bits.
+ */
+s32 qm_add32(s32 op1, s32 op2)
+{
+	s32 result;
+	result = op1 + op2;
+	if (op1 < 0 && op2 < 0 && result > 0)
+		result = 0x80000000;
+	else if (op1 > 0 && op2 > 0 && result < 0)
+		result = 0x7fffffff;
+
+	return result;
+}
+
+/*
+ * Description: This function add two 16 bit numbers and return the 16bit
+ * result. If the result overflow 16 bits, the output will be saturated to
+ * 16bits.
+ */
+s16 qm_add16(s16 op1, s16 op2)
+{
+	s16 result;
+	s32 temp = (s32) op1 + (s32) op2;
+	if (temp > (s32) 0x7fff)
+		result = (s16) 0x7fff;
+	else if (temp < (s32) 0xffff8000)
+		result = (s16) 0xffff8000;
+	else
+		result = (s16) temp;
+
+	return result;
+}
+
+/*
+ * Description: This function make 16 bit subtraction and return the 16bit
+ * result. If the result overflow 16 bits, the output will be saturated to
+ * 16bits.
+ */
+s16 qm_sub16(s16 op1, s16 op2)
+{
+	s16 result;
+	s32 temp = (s32) op1 - (s32) op2;
+	if (temp > (s32) 0x7fff)
+		result = (s16) 0x7fff;
+	else if (temp < (s32) 0xffff8000)
+		result = (s16) 0xffff8000;
+	else
+		result = (s16) temp;
+
+	return result;
+}
+
+/*
+ * Description: This function make a 32 bit saturated left shift when the
+ * specified shift is +ve. This function will make a 32 bit right shift when
+ * the specified shift is -ve. This function return the result after shifting
+ * operation.
+ */
+s32 qm_shl32(s32 op, int shift)
+{
+	int i;
+	s32 result;
+	result = op;
+	if (shift > 31)
+		shift = 31;
+	else if (shift < -31)
+		shift = -31;
+	if (shift >= 0) {
+		for (i = 0; i < shift; i++)
+			result = qm_add32(result, result);
+	} else {
+		result = result >> (-shift);
+	}
+
+	return result;
+}
+
+/*
+ * Description: This function make a 16 bit saturated left shift when the
+ * specified shift is +ve. This function will make a 16 bit right shift when
+ * the specified shift is -ve. This function return the result after shifting
+ * operation.
+ */
+s16 qm_shl16(s16 op, int shift)
+{
+	int i;
+	s16 result;
+	result = op;
+	if (shift > 15)
+		shift = 15;
+	else if (shift < -15)
+		shift = -15;
+	if (shift > 0) {
+		for (i = 0; i < shift; i++)
+			result = qm_add16(result, result);
+	} else {
+		result = result >> (-shift);
+	}
+
+	return result;
+}
+
+/*
+ * Description: This function make a 16 bit right shift when shift is +ve.
+ * This function make a 16 bit saturated left shift when shift is -ve. This
+ * function return the result of the shift operation.
+ */
+s16 qm_shr16(s16 op, int shift)
+{
+	return qm_shl16(op, -shift);
+}
+
+/*
+ * Description: This function return the number of redundant sign bits in a
+ * 32 bit number. Example: qm_norm32(0x00000080) = 23
+ */
+s16 qm_norm32(s32 op)
+{
+	u16 u16extraSignBits;
+	if (op == 0) {
+		return 31;
+	} else {
+		u16extraSignBits = 0;
+		while ((op >> 31) == (op >> 30)) {
+			u16extraSignBits++;
+			op = op << 1;
+		}
+	}
+	return u16extraSignBits;
+}
+
+/* This table is log2(1+(i/32)) where i=[0:1:31], in q.15 format */
+static const s16 log_table[] = {
+	0,
+	1455,
+	2866,
+	4236,
+	5568,
+	6863,
+	8124,
+	9352,
+	10549,
+	11716,
+	12855,
+	13968,
+	15055,
+	16117,
+	17156,
+	18173,
+	19168,
+	20143,
+	21098,
+	22034,
+	22952,
+	23852,
+	24736,
+	25604,
+	26455,
+	27292,
+	28114,
+	28922,
+	29717,
+	30498,
+	31267,
+	32024
+};
+
+#define LOG_TABLE_SIZE 32       /* log_table size */
+#define LOG2_LOG_TABLE_SIZE 5   /* log2(log_table size) */
+#define Q_LOG_TABLE 15          /* qformat of log_table */
+#define LOG10_2         19728   /* log10(2) in q.16 */
+
+/*
+ * Description:
+ * This routine takes the input number N and its q format qN and compute
+ * the log10(N). This routine first normalizes the input no N.	Then N is in
+ * mag*(2^x) format. mag is any number in the range 2^30-(2^31 - 1).
+ * Then log2(mag * 2^x) = log2(mag) + x is computed. From that
+ * log10(mag * 2^x) = log2(mag * 2^x) * log10(2) is computed.
+ * This routine looks the log2 value in the table considering
+ * LOG2_LOG_TABLE_SIZE+1 MSBs. As the MSB is always 1, only next
+ * LOG2_OF_LOG_TABLE_SIZE MSBs are used for table lookup. Next 16 MSBs are used
+ * for interpolation.
+ * Inputs:
+ * N - number to which log10 has to be found.
+ * qN - q format of N
+ * log10N - address where log10(N) will be written.
+ * qLog10N - address where log10N qformat will be written.
+ * Note/Problem:
+ * For accurate results input should be in normalized or near normalized form.
+ */
+void qm_log10(s32 N, s16 qN, s16 *log10N, s16 *qLog10N)
+{
+	s16 s16norm, s16tableIndex, s16errorApproximation;
+	u16 u16offset;
+	s32 s32log;
+
+	/* normalize the N. */
+	s16norm = qm_norm32(N);
+	N = N << s16norm;
+
+	/* The qformat of N after normalization.
+	 * -30 is added to treat the no as between 1.0 to 2.0
+	 * i.e. after adding the -30 to the qformat the decimal point will be
+	 * just rigtht of the MSB. (i.e. after sign bit and 1st MSB). i.e.
+	 * at the right side of 30th bit.
+	 */
+	qN = qN + s16norm - 30;
+
+	/* take the table index as the LOG2_OF_LOG_TABLE_SIZE bits right of the
+	 * MSB */
+	s16tableIndex = (s16) (N >> (32 - (2 + LOG2_LOG_TABLE_SIZE)));
+
+	/* remove the MSB. the MSB is always 1 after normalization. */
+	s16tableIndex =
+		s16tableIndex & (s16) ((1 << LOG2_LOG_TABLE_SIZE) - 1);
+
+	/* remove the (1+LOG2_OF_LOG_TABLE_SIZE) MSBs in the N. */
+	N = N & ((1 << (32 - (2 + LOG2_LOG_TABLE_SIZE))) - 1);
+
+	/* take the offset as the 16 MSBS after table index.
+	 */
+	u16offset = (u16) (N >> (32 - (2 + LOG2_LOG_TABLE_SIZE + 16)));
+
+	/* look the log value in the table. */
+	s32log = log_table[s16tableIndex];      /* q.15 format */
+
+	/* interpolate using the offset. q.15 format. */
+	s16errorApproximation = (s16) qm_mulu16(u16offset,
+				(u16) (log_table[s16tableIndex + 1] -
+				       log_table[s16tableIndex]));
+
+	 /* q.15 format */
+	s32log = qm_add16((s16) s32log, s16errorApproximation);
+
+	/* adjust for the qformat of the N as
+	 * log2(mag * 2^x) = log2(mag) + x
+	 */
+	s32log = qm_add32(s32log, ((s32) -qN) << 15);   /* q.15 format */
+
+	/* normalize the result. */
+	s16norm = qm_norm32(s32log);
+
+	/* bring all the important bits into lower 16 bits */
+	/* q.15+s16norm-16 format */
+	s32log = qm_shl32(s32log, s16norm - 16);
+
+	/* compute the log10(N) by multiplying log2(N) with log10(2).
+	 * as log10(mag * 2^x) = log2(mag * 2^x) * log10(2)
+	 * log10N in q.15+s16norm-16+1 (LOG10_2 is in q.16)
+	 */
+	*log10N = qm_muls16((s16) s32log, (s16) LOG10_2);
+
+	/* write the q format of the result. */
+	*qLog10N = 15 + s16norm - 16 + 1;
+
+	return;
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_qmath.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_QMATH_H_
+#define _BRCM_QMATH_H_
+
+#include <types.h>
+
+u16 qm_mulu16(u16 op1, u16 op2);
+
+s16 qm_muls16(s16 op1, s16 op2);
+
+s32 qm_add32(s32 op1, s32 op2);
+
+s16 qm_add16(s16 op1, s16 op2);
+
+s16 qm_sub16(s16 op1, s16 op2);
+
+s32 qm_shl32(s32 op, int shift);
+
+s16 qm_shl16(s16 op, int shift);
+
+s16 qm_shr16(s16 op, int shift);
+
+s16 qm_norm32(s32 op);
+
+void qm_log10(s32 N, s16 qN, s16 *log10N, s16 *qLog10N);
+
+#endif				/* #ifndef _BRCM_QMATH_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phyreg_n.h

@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define NPHY_TBL_ID_GAIN1		0
+#define NPHY_TBL_ID_GAIN2		1
+#define NPHY_TBL_ID_GAINBITS1		2
+#define NPHY_TBL_ID_GAINBITS2		3
+#define NPHY_TBL_ID_GAINLIMIT		4
+#define NPHY_TBL_ID_WRSSIGainLimit	5
+#define NPHY_TBL_ID_RFSEQ		7
+#define NPHY_TBL_ID_AFECTRL		8
+#define NPHY_TBL_ID_ANTSWCTRLLUT	9
+#define NPHY_TBL_ID_IQLOCAL		15
+#define NPHY_TBL_ID_NOISEVAR		16
+#define NPHY_TBL_ID_SAMPLEPLAY		17
+#define NPHY_TBL_ID_CORE1TXPWRCTL	26
+#define NPHY_TBL_ID_CORE2TXPWRCTL	27
+#define NPHY_TBL_ID_CMPMETRICDATAWEIGHTTBL	30
+
+#define NPHY_TBL_ID_EPSILONTBL0   31
+#define NPHY_TBL_ID_SCALARTBL0    32
+#define NPHY_TBL_ID_EPSILONTBL1   33
+#define NPHY_TBL_ID_SCALARTBL1    34
+
+#define	NPHY_TO_BPHY_OFF	0xc00
+
+#define NPHY_BandControl_currentBand			0x0001
+#define RFCC_CHIP0_PU			0x0400
+#define RFCC_POR_FORCE			0x0040
+#define RFCC_OE_POR_FORCE		0x0080
+#define NPHY_RfctrlIntc_override_OFF			0
+#define NPHY_RfctrlIntc_override_TRSW			1
+#define NPHY_RfctrlIntc_override_PA				2
+#define NPHY_RfctrlIntc_override_EXT_LNA_PU		3
+#define NPHY_RfctrlIntc_override_EXT_LNA_GAIN	4
+#define RIFS_ENABLE			0x80
+#define BPHY_BAND_SEL_UP20		0x10
+#define NPHY_MLenable			0x02
+
+#define NPHY_RfseqMode_CoreActv_override 0x0001
+#define NPHY_RfseqMode_Trigger_override	0x0002
+#define NPHY_RfseqCoreActv_TxRxChain0	(0x11)
+#define NPHY_RfseqCoreActv_TxRxChain1	(0x22)
+
+#define NPHY_RfseqTrigger_rx2tx		0x0001
+#define NPHY_RfseqTrigger_tx2rx		0x0002
+#define NPHY_RfseqTrigger_updategainh	0x0004
+#define NPHY_RfseqTrigger_updategainl	0x0008
+#define NPHY_RfseqTrigger_updategainu	0x0010
+#define NPHY_RfseqTrigger_reset2rx	0x0020
+#define NPHY_RfseqStatus_rx2tx		0x0001
+#define NPHY_RfseqStatus_tx2rx		0x0002
+#define NPHY_RfseqStatus_updategainh	0x0004
+#define NPHY_RfseqStatus_updategainl	0x0008
+#define NPHY_RfseqStatus_updategainu	0x0010
+#define NPHY_RfseqStatus_reset2rx	0x0020
+#define NPHY_ClassifierCtrl_cck_en	0x1
+#define NPHY_ClassifierCtrl_ofdm_en	0x2
+#define NPHY_ClassifierCtrl_waited_en	0x4
+#define NPHY_IQFlip_ADC1		0x0001
+#define NPHY_IQFlip_ADC2		0x0010
+#define NPHY_sampleCmd_STOP		0x0002
+
+#define RX_GF_OR_MM			0x0004
+#define RX_GF_MM_AUTO			0x0100
+
+#define NPHY_iqloCalCmdGctl_IQLO_CAL_EN	0x8000
+
+#define NPHY_IqestCmd_iqstart		0x1
+#define NPHY_IqestCmd_iqMode		0x2
+
+#define NPHY_TxPwrCtrlCmd_pwrIndex_init		0x40
+#define NPHY_TxPwrCtrlCmd_pwrIndex_init_rev7	0x19
+
+#define PRIM_SEL_UP20		0x8000
+
+#define NPHY_RFSEQ_RX2TX		0x0
+#define NPHY_RFSEQ_TX2RX		0x1
+#define NPHY_RFSEQ_RESET2RX		0x2
+#define NPHY_RFSEQ_UPDATEGAINH		0x3
+#define NPHY_RFSEQ_UPDATEGAINL		0x4
+#define NPHY_RFSEQ_UPDATEGAINU		0x5
+
+#define NPHY_RFSEQ_CMD_NOP		0x0
+#define NPHY_RFSEQ_CMD_RXG_FBW		0x1
+#define NPHY_RFSEQ_CMD_TR_SWITCH	0x2
+#define NPHY_RFSEQ_CMD_EXT_PA		0x3
+#define NPHY_RFSEQ_CMD_RXPD_TXPD	0x4
+#define NPHY_RFSEQ_CMD_TX_GAIN		0x5
+#define NPHY_RFSEQ_CMD_RX_GAIN		0x6
+#define NPHY_RFSEQ_CMD_SET_HPF_BW	0x7
+#define NPHY_RFSEQ_CMD_CLR_HIQ_DIS	0x8
+#define NPHY_RFSEQ_CMD_END		0xf
+
+#define NPHY_REV3_RFSEQ_CMD_NOP		0x0
+#define NPHY_REV3_RFSEQ_CMD_RXG_FBW	0x1
+#define NPHY_REV3_RFSEQ_CMD_TR_SWITCH	0x2
+#define NPHY_REV3_RFSEQ_CMD_INT_PA_PU	0x3
+#define NPHY_REV3_RFSEQ_CMD_EXT_PA	0x4
+#define NPHY_REV3_RFSEQ_CMD_RXPD_TXPD	0x5
+#define NPHY_REV3_RFSEQ_CMD_TX_GAIN	0x6
+#define NPHY_REV3_RFSEQ_CMD_RX_GAIN	0x7
+#define NPHY_REV3_RFSEQ_CMD_CLR_HIQ_DIS	0x8
+#define NPHY_REV3_RFSEQ_CMD_SET_HPF_H_HPC	0x9
+#define NPHY_REV3_RFSEQ_CMD_SET_LPF_H_HPC	0xa
+#define NPHY_REV3_RFSEQ_CMD_SET_HPF_M_HPC	0xb
+#define NPHY_REV3_RFSEQ_CMD_SET_LPF_M_HPC	0xc
+#define NPHY_REV3_RFSEQ_CMD_SET_HPF_L_HPC	0xd
+#define NPHY_REV3_RFSEQ_CMD_SET_LPF_L_HPC	0xe
+#define NPHY_REV3_RFSEQ_CMD_CLR_RXRX_BIAS	0xf
+#define NPHY_REV3_RFSEQ_CMD_END		0x1f
+
+#define NPHY_RSSI_SEL_W1		0x0
+#define NPHY_RSSI_SEL_W2		0x1
+#define NPHY_RSSI_SEL_NB		0x2
+#define NPHY_RSSI_SEL_IQ		0x3
+#define NPHY_RSSI_SEL_TSSI_2G		0x4
+#define NPHY_RSSI_SEL_TSSI_5G		0x5
+#define NPHY_RSSI_SEL_TBD		0x6
+
+#define NPHY_RAIL_I			0x0
+#define NPHY_RAIL_Q			0x1
+
+#define NPHY_FORCESIG_DECODEGATEDCLKS	0x8
+
+#define NPHY_REV7_RfctrlOverride_cmd_rxrf_pu 0x0
+#define NPHY_REV7_RfctrlOverride_cmd_rx_pu   0x1
+#define NPHY_REV7_RfctrlOverride_cmd_tx_pu   0x2
+#define NPHY_REV7_RfctrlOverride_cmd_rxgain  0x3
+#define NPHY_REV7_RfctrlOverride_cmd_txgain  0x4
+
+#define NPHY_REV7_RXGAINCODE_RFMXGAIN_MASK 0x000ff
+#define NPHY_REV7_RXGAINCODE_LPFGAIN_MASK  0x0ff00
+#define NPHY_REV7_RXGAINCODE_DVGAGAIN_MASK 0xf0000
+
+#define NPHY_REV7_TXGAINCODE_TGAIN_MASK     0x7fff
+#define NPHY_REV7_TXGAINCODE_LPFGAIN_MASK   0x8000
+#define NPHY_REV7_TXGAINCODE_BIQ0GAIN_SHIFT 14
+
+#define NPHY_REV7_RFCTRLOVERRIDE_ID0 0x0
+#define NPHY_REV7_RFCTRLOVERRIDE_ID1 0x1
+#define NPHY_REV7_RFCTRLOVERRIDE_ID2 0x2
+
+#define NPHY_IqestIqAccLo(core)  ((core == 0) ? 0x12c : 0x134)
+
+#define NPHY_IqestIqAccHi(core)  ((core == 0) ? 0x12d : 0x135)
+
+#define NPHY_IqestipwrAccLo(core)  ((core == 0) ? 0x12e : 0x136)
+
+#define NPHY_IqestipwrAccHi(core)  ((core == 0) ? 0x12f : 0x137)
+
+#define NPHY_IqestqpwrAccLo(core)  ((core == 0) ? 0x130 : 0x138)
+
+#define NPHY_IqestqpwrAccHi(core)  ((core == 0) ? 0x131 : 0x139)

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phytbl_lcn.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <types.h>
+#include "phy_int.h"
+
+extern const struct phytbl_info dot11lcnphytbl_rx_gain_info_rev0[];
+extern const u32 dot11lcnphytbl_rx_gain_info_sz_rev0;
+extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313;
+extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_ipa;
+extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_epa;
+extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_epa_combo;
+extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_epa;
+extern const struct phytbl_info dot11lcn_sw_ctrl_tbl_info_4313_bt_epa_p250;
+
+extern const struct phytbl_info dot11lcnphytbl_info_rev0[];
+extern const u32 dot11lcnphytbl_info_sz_rev0;
+
+extern const struct phytbl_info dot11lcnphytbl_rx_gain_info_2G_rev2[];
+extern const u32 dot11lcnphytbl_rx_gain_info_2G_rev2_sz;
+
+extern const struct phytbl_info dot11lcnphytbl_rx_gain_info_5G_rev2[];
+extern const u32 dot11lcnphytbl_rx_gain_info_5G_rev2_sz;
+
+extern const struct phytbl_info dot11lcnphytbl_rx_gain_info_extlna_2G_rev2[];
+
+extern const struct phytbl_info dot11lcnphytbl_rx_gain_info_extlna_5G_rev2[];
+
+struct lcnphy_tx_gain_tbl_entry {
+	unsigned char gm;
+	unsigned char pga;
+	unsigned char pad;
+	unsigned char dac;
+	unsigned char bb_mult;
+};
+
+extern const struct lcnphy_tx_gain_tbl_entry dot11lcnphy_2GHz_gaintable_rev0[];
+
+extern const struct
+lcnphy_tx_gain_tbl_entry dot11lcnphy_2GHz_extPA_gaintable_rev0[];
+
+extern const struct lcnphy_tx_gain_tbl_entry dot11lcnphy_5GHz_gaintable_rev0[];

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phytbl_n.h

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define ANT_SWCTRL_TBL_REV3_IDX (0)
+
+#include <types.h>
+#include "phy_int.h"
+
+extern const struct phytbl_info mimophytbl_info_rev0[],
+				mimophytbl_info_rev0_volatile[];
+
+extern const u32 mimophytbl_info_sz_rev0,
+		 mimophytbl_info_sz_rev0_volatile;
+
+extern const struct phytbl_info mimophytbl_info_rev3[],
+				mimophytbl_info_rev3_volatile[],
+				mimophytbl_info_rev3_volatile1[],
+				mimophytbl_info_rev3_volatile2[],
+				mimophytbl_info_rev3_volatile3[];
+
+extern const u32 mimophytbl_info_sz_rev3,
+		 mimophytbl_info_sz_rev3_volatile,
+		 mimophytbl_info_sz_rev3_volatile1,
+		 mimophytbl_info_sz_rev3_volatile2,
+		 mimophytbl_info_sz_rev3_volatile3;
+
+extern const u32 noise_var_tbl_rev3[];
+
+extern const struct phytbl_info mimophytbl_info_rev7[];
+
+extern const u32 mimophytbl_info_sz_rev7;
+
+extern const u32 noise_var_tbl_rev7[];
+
+extern const struct phytbl_info mimophytbl_info_rev16[];
+
+extern const u32 mimophytbl_info_sz_rev16;

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c

@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This is "two-way" interface, acting as the SHIM layer between driver
+ * and PHY layer. The driver can optionally call this translation layer
+ * to do some preprocessing, then reach PHY. On the PHY->driver direction,
+ * all calls go through this layer since PHY doesn't have access to the
+ * driver's brcms_hardware pointer.
+ */
+#include <linux/slab.h>
+#include <net/mac80211.h>
+
+#include "main.h"
+#include "mac80211_if.h"
+#include "phy_shim.h"
+
+/* PHY SHIM module specific state */
+struct phy_shim_info {
+	struct brcms_hardware *wlc_hw;	/* pointer to main wlc_hw structure */
+	struct brcms_c_info *wlc;	/* pointer to main wlc structure */
+	struct brcms_info *wl; /* pointer to os-specific private state */
+};
+
+struct phy_shim_info *wlc_phy_shim_attach(struct brcms_hardware *wlc_hw,
+					  struct brcms_info *wl,
+					  struct brcms_c_info *wlc) {
+	struct phy_shim_info *physhim = NULL;
+
+	physhim = kzalloc(sizeof(struct phy_shim_info), GFP_ATOMIC);
+	if (!physhim)
+		return NULL;
+
+	physhim->wlc_hw = wlc_hw;
+	physhim->wlc = wlc;
+	physhim->wl = wl;
+
+	return physhim;
+}
+
+void wlc_phy_shim_detach(struct phy_shim_info *physhim)
+{
+	kfree(physhim);
+}
+
+struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
+				     void (*fn)(struct brcms_phy *pi),
+				     void *arg, const char *name)
+{
+	return (struct wlapi_timer *)
+			brcms_init_timer(physhim->wl, (void (*)(void *))fn,
+					 arg, name);
+}
+
+void wlapi_free_timer(struct wlapi_timer *t)
+{
+	brcms_free_timer((struct brcms_timer *)t);
+}
+
+void
+wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic)
+{
+	brcms_add_timer((struct brcms_timer *)t, ms, periodic);
+}
+
+bool wlapi_del_timer(struct wlapi_timer *t)
+{
+	return brcms_del_timer((struct brcms_timer *)t);
+}
+
+void wlapi_intrson(struct phy_shim_info *physhim)
+{
+	brcms_intrson(physhim->wl);
+}
+
+u32 wlapi_intrsoff(struct phy_shim_info *physhim)
+{
+	return brcms_intrsoff(physhim->wl);
+}
+
+void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask)
+{
+	brcms_intrsrestore(physhim->wl, macintmask);
+}
+
+void wlapi_bmac_write_shm(struct phy_shim_info *physhim, uint offset, u16 v)
+{
+	brcms_b_write_shm(physhim->wlc_hw, offset, v);
+}
+
+u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset)
+{
+	return brcms_b_read_shm(physhim->wlc_hw, offset);
+}
+
+void
+wlapi_bmac_mhf(struct phy_shim_info *physhim, u8 idx, u16 mask,
+	       u16 val, int bands)
+{
+	brcms_b_mhf(physhim->wlc_hw, idx, mask, val, bands);
+}
+
+void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags)
+{
+	brcms_b_corereset(physhim->wlc_hw, flags);
+}
+
+void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim)
+{
+	brcms_c_suspend_mac_and_wait(physhim->wlc);
+}
+
+void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode)
+{
+	brcms_b_switch_macfreq(physhim->wlc_hw, spurmode);
+}
+
+void wlapi_enable_mac(struct phy_shim_info *physhim)
+{
+	brcms_c_enable_mac(physhim->wlc);
+}
+
+void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val)
+{
+	brcms_b_mctrl(physhim->wlc_hw, mask, val);
+}
+
+void wlapi_bmac_phy_reset(struct phy_shim_info *physhim)
+{
+	brcms_b_phy_reset(physhim->wlc_hw);
+}
+
+void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw)
+{
+	brcms_b_bw_set(physhim->wlc_hw, bw);
+}
+
+u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim)
+{
+	return brcms_b_get_txant(physhim->wlc_hw);
+}
+
+void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk)
+{
+	brcms_b_phyclk_fgc(physhim->wlc_hw, clk);
+}
+
+void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk)
+{
+	brcms_b_macphyclk_set(physhim->wlc_hw, clk);
+}
+
+void wlapi_bmac_core_phypll_ctl(struct phy_shim_info *physhim, bool on)
+{
+	brcms_b_core_phypll_ctl(physhim->wlc_hw, on);
+}
+
+void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim)
+{
+	brcms_b_core_phypll_reset(physhim->wlc_hw);
+}
+
+void wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info *physhim)
+{
+	brcms_c_ucode_wake_override_set(physhim->wlc_hw,
+					BRCMS_WAKE_OVERRIDE_PHYREG);
+}
+
+void wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info *physhim)
+{
+	brcms_c_ucode_wake_override_clear(physhim->wlc_hw,
+					  BRCMS_WAKE_OVERRIDE_PHYREG);
+}
+
+void
+wlapi_bmac_write_template_ram(struct phy_shim_info *physhim, int offset,
+			      int len, void *buf)
+{
+	brcms_b_write_template_ram(physhim->wlc_hw, offset, len, buf);
+}
+
+u16 wlapi_bmac_rate_shm_offset(struct phy_shim_info *physhim, u8 rate)
+{
+	return brcms_b_rate_shm_offset(physhim->wlc_hw, rate);
+}
+
+void wlapi_ucode_sample_init(struct phy_shim_info *physhim)
+{
+}
+
+void
+wlapi_copyfrom_objmem(struct phy_shim_info *physhim, uint offset, void *buf,
+		      int len, u32 sel)
+{
+	brcms_b_copyfrom_objmem(physhim->wlc_hw, offset, buf, len, sel);
+}
+
+void
+wlapi_copyto_objmem(struct phy_shim_info *physhim, uint offset, const void *buf,
+		    int l, u32 sel)
+{
+	brcms_b_copyto_objmem(physhim->wlc_hw, offset, buf, l, sel);
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h

@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * phy_shim.h: stuff defined in phy_shim.c and included only by the phy
+ */
+
+#ifndef _BRCM_PHY_SHIM_H_
+#define _BRCM_PHY_SHIM_H_
+
+#include "types.h"
+
+#define RADAR_TYPE_NONE		0	/* Radar type None */
+#define RADAR_TYPE_ETSI_1	1	/* ETSI 1 Radar type */
+#define RADAR_TYPE_ETSI_2	2	/* ETSI 2 Radar type */
+#define RADAR_TYPE_ETSI_3	3	/* ETSI 3 Radar type */
+#define RADAR_TYPE_ITU_E	4	/* ITU E Radar type */
+#define RADAR_TYPE_ITU_K	5	/* ITU K Radar type */
+#define RADAR_TYPE_UNCLASSIFIED	6	/* Unclassified Radar type  */
+#define RADAR_TYPE_BIN5		7	/* long pulse radar type */
+#define RADAR_TYPE_STG2		8	/* staggered-2 radar */
+#define RADAR_TYPE_STG3		9	/* staggered-3 radar */
+#define RADAR_TYPE_FRA		10	/* French radar */
+
+/* French radar pulse widths */
+#define FRA_T1_20MHZ	52770
+#define FRA_T2_20MHZ	61538
+#define FRA_T3_20MHZ	66002
+#define FRA_T1_40MHZ	105541
+#define FRA_T2_40MHZ	123077
+#define FRA_T3_40MHZ	132004
+#define FRA_ERR_20MHZ	60
+#define FRA_ERR_40MHZ	120
+
+#define ANTSEL_NA		0 /* No boardlevel selection available */
+#define ANTSEL_2x4		1 /* 2x4 boardlevel selection available */
+#define ANTSEL_2x3		2 /* 2x3 CB2 boardlevel selection available */
+
+/* Rx Antenna diversity control values */
+#define	ANT_RX_DIV_FORCE_0	0	/* Use antenna 0 */
+#define	ANT_RX_DIV_FORCE_1	1	/* Use antenna 1 */
+#define	ANT_RX_DIV_START_1	2	/* Choose starting with 1 */
+#define	ANT_RX_DIV_START_0	3	/* Choose starting with 0 */
+#define	ANT_RX_DIV_ENABLE	3	/* APHY bbConfig Enable RX Diversity */
+#define ANT_RX_DIV_DEF		ANT_RX_DIV_START_0 /* default antdiv setting */
+
+#define WL_ANT_RX_MAX		2	/* max 2 receive antennas */
+#define WL_ANT_HT_RX_MAX	3	/* max 3 receive antennas/cores */
+#define WL_ANT_IDX_1		0	/* antenna index 1 */
+#define WL_ANT_IDX_2		1	/* antenna index 2 */
+
+/* values for n_preamble_type */
+#define BRCMS_N_PREAMBLE_MIXEDMODE	0
+#define BRCMS_N_PREAMBLE_GF		1
+#define BRCMS_N_PREAMBLE_GF_BRCM          2
+
+#define WL_TX_POWER_RATES_LEGACY	45
+#define WL_TX_POWER_MCS20_FIRST	        12
+#define WL_TX_POWER_MCS20_NUM	        16
+#define WL_TX_POWER_MCS40_FIRST	        28
+#define WL_TX_POWER_MCS40_NUM	        17
+
+
+#define WL_TX_POWER_RATES	       101
+#define WL_TX_POWER_CCK_FIRST	       0
+#define WL_TX_POWER_CCK_NUM	       4
+/* Index for first 20MHz OFDM SISO rate */
+#define WL_TX_POWER_OFDM_FIRST	       4
+/* Index for first 20MHz OFDM CDD rate */
+#define WL_TX_POWER_OFDM20_CDD_FIRST   12
+/* Index for first 40MHz OFDM SISO rate */
+#define WL_TX_POWER_OFDM40_SISO_FIRST  52
+/* Index for first 40MHz OFDM CDD rate */
+#define WL_TX_POWER_OFDM40_CDD_FIRST   60
+#define WL_TX_POWER_OFDM_NUM	       8
+/* Index for first 20MHz MCS SISO rate */
+#define WL_TX_POWER_MCS20_SISO_FIRST   20
+/* Index for first 20MHz MCS CDD rate */
+#define WL_TX_POWER_MCS20_CDD_FIRST    28
+/* Index for first 20MHz MCS STBC rate */
+#define WL_TX_POWER_MCS20_STBC_FIRST   36
+/* Index for first 20MHz MCS SDM rate */
+#define WL_TX_POWER_MCS20_SDM_FIRST    44
+/* Index for first 40MHz MCS SISO rate */
+#define WL_TX_POWER_MCS40_SISO_FIRST   68
+/* Index for first 40MHz MCS CDD rate */
+#define WL_TX_POWER_MCS40_CDD_FIRST    76
+/* Index for first 40MHz MCS STBC rate */
+#define WL_TX_POWER_MCS40_STBC_FIRST   84
+/* Index for first 40MHz MCS SDM rate */
+#define WL_TX_POWER_MCS40_SDM_FIRST    92
+#define WL_TX_POWER_MCS_1_STREAM_NUM   8
+#define WL_TX_POWER_MCS_2_STREAM_NUM   8
+/* Index for 40MHz rate MCS 32 */
+#define WL_TX_POWER_MCS_32	       100
+#define WL_TX_POWER_MCS_32_NUM	       1
+
+/* sslpnphy specifics */
+/* Index for first 20MHz MCS SISO rate */
+#define WL_TX_POWER_MCS20_SISO_FIRST_SSN   12
+
+/* struct tx_power::flags bits */
+#define WL_TX_POWER_F_ENABLED	1
+#define WL_TX_POWER_F_HW	2
+#define WL_TX_POWER_F_MIMO	4
+#define WL_TX_POWER_F_SISO	8
+
+/* values to force tx/rx chain */
+#define BRCMS_N_TXRX_CHAIN0		0
+#define BRCMS_N_TXRX_CHAIN1		1
+
+struct brcms_phy;
+
+struct phy_shim_info *wlc_phy_shim_attach(struct brcms_hardware *wlc_hw,
+					  struct brcms_info *wl,
+					  struct brcms_c_info *wlc);
+void wlc_phy_shim_detach(struct phy_shim_info *physhim);
+
+/* PHY to WL utility functions */
+struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
+				     void (*fn)(struct brcms_phy *pi),
+				     void *arg, const char *name);
+void wlapi_free_timer(struct wlapi_timer *t);
+void wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic);
+bool wlapi_del_timer(struct wlapi_timer *t);
+void wlapi_intrson(struct phy_shim_info *physhim);
+u32 wlapi_intrsoff(struct phy_shim_info *physhim);
+void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask);
+
+void wlapi_bmac_write_shm(struct phy_shim_info *physhim, uint offset, u16 v);
+u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset);
+void wlapi_bmac_mhf(struct phy_shim_info *physhim, u8 idx, u16 mask, u16 val,
+		    int bands);
+void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags);
+void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim);
+void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode);
+void wlapi_enable_mac(struct phy_shim_info *physhim);
+void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val);
+void wlapi_bmac_phy_reset(struct phy_shim_info *physhim);
+void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw);
+void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk);
+void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk);
+void wlapi_bmac_core_phypll_ctl(struct phy_shim_info *physhim, bool on);
+void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim);
+void wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info *physhim);
+void wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info *physhim);
+void wlapi_bmac_write_template_ram(struct phy_shim_info *physhim, int o,
+				   int len, void *buf);
+u16 wlapi_bmac_rate_shm_offset(struct phy_shim_info *physhim, u8 rate);
+void wlapi_ucode_sample_init(struct phy_shim_info *physhim);
+void wlapi_copyfrom_objmem(struct phy_shim_info *physhim, uint, void *buf,
+			   int, u32 sel);
+void wlapi_copyto_objmem(struct phy_shim_info *physhim, uint, const void *buf,
+			 int, u32);
+
+void wlapi_high_update_phy_mode(struct phy_shim_info *physhim, u32 phy_mode);
+u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim);
+
+#endif				/* _BRCM_PHY_SHIM_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/pmu.c

@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include <linux/io.h>
+
+#include <brcm_hw_ids.h>
+#include <chipcommon.h>
+#include <brcmu_utils.h>
+#include "pub.h"
+#include "aiutils.h"
+#include "pmu.h"
+#include "soc.h"
+
+/*
+ * external LPO crystal frequency
+ */
+#define EXT_ILP_HZ 32768
+
+/*
+ * Duration for ILP clock frequency measurment in milliseconds
+ *
+ * remark: 1000 must be an integer multiple of this duration
+ */
+#define ILP_CALC_DUR	10
+
+/* Fields in pmucontrol */
+#define	PCTL_ILP_DIV_MASK	0xffff0000
+#define	PCTL_ILP_DIV_SHIFT	16
+#define PCTL_PLL_PLLCTL_UPD	0x00000400	/* rev 2 */
+#define PCTL_NOILP_ON_WAIT	0x00000200	/* rev 1 */
+#define	PCTL_HT_REQ_EN		0x00000100
+#define	PCTL_ALP_REQ_EN		0x00000080
+#define	PCTL_XTALFREQ_MASK	0x0000007c
+#define	PCTL_XTALFREQ_SHIFT	2
+#define	PCTL_ILP_DIV_EN		0x00000002
+#define	PCTL_LPO_SEL		0x00000001
+
+/* ILP clock */
+#define	ILP_CLOCK		32000
+
+/* ALP clock on pre-PMU chips */
+#define	ALP_CLOCK		20000000
+
+/* pmustatus */
+#define PST_EXTLPOAVAIL	0x0100
+#define PST_WDRESET	0x0080
+#define	PST_INTPEND	0x0040
+#define	PST_SBCLKST	0x0030
+#define	PST_SBCLKST_ILP	0x0010
+#define	PST_SBCLKST_ALP	0x0020
+#define	PST_SBCLKST_HT	0x0030
+#define	PST_ALPAVAIL	0x0008
+#define	PST_HTAVAIL	0x0004
+#define	PST_RESINIT	0x0003
+
+/* PMU resource bit position */
+#define PMURES_BIT(bit)	(1 << (bit))
+
+/* PMU corerev and chip specific PLL controls.
+ * PMU<rev>_PLL<num>_XX where <rev> is PMU corerev and <num> is an arbitrary
+ * number to differentiate different PLLs controlled by the same PMU rev.
+ */
+
+/* pmu XtalFreqRatio */
+#define	PMU_XTALFREQ_REG_ILPCTR_MASK	0x00001FFF
+#define	PMU_XTALFREQ_REG_MEASURE_MASK	0x80000000
+#define	PMU_XTALFREQ_REG_MEASURE_SHIFT	31
+
+/* 4313 resources */
+#define	RES4313_BB_PU_RSRC		0
+#define	RES4313_ILP_REQ_RSRC		1
+#define	RES4313_XTAL_PU_RSRC		2
+#define	RES4313_ALP_AVAIL_RSRC		3
+#define	RES4313_RADIO_PU_RSRC		4
+#define	RES4313_BG_PU_RSRC		5
+#define	RES4313_VREG1P4_PU_RSRC		6
+#define	RES4313_AFE_PWRSW_RSRC		7
+#define	RES4313_RX_PWRSW_RSRC		8
+#define	RES4313_TX_PWRSW_RSRC		9
+#define	RES4313_BB_PWRSW_RSRC		10
+#define	RES4313_SYNTH_PWRSW_RSRC	11
+#define	RES4313_MISC_PWRSW_RSRC		12
+#define	RES4313_BB_PLL_PWRSW_RSRC	13
+#define	RES4313_HT_AVAIL_RSRC		14
+#define	RES4313_MACPHY_CLK_AVAIL_RSRC	15
+
+u16 si_pmu_fast_pwrup_delay(struct si_pub *sih)
+{
+	uint delay = PMU_MAX_TRANSITION_DLY;
+
+	switch (ai_get_chip_id(sih)) {
+	case BCMA_CHIP_ID_BCM43224:
+	case BCMA_CHIP_ID_BCM43225:
+	case BCMA_CHIP_ID_BCM4313:
+		delay = 3700;
+		break;
+	default:
+		break;
+	}
+
+	return (u16) delay;
+}
+
+u32 si_pmu_measure_alpclk(struct si_pub *sih)
+{
+	struct si_info *sii = container_of(sih, struct si_info, pub);
+	struct bcma_device *core;
+	u32 alp_khz;
+
+	if (ai_get_pmurev(sih) < 10)
+		return 0;
+
+	/* Remember original core before switch to chipc */
+	core = sii->icbus->drv_cc.core;
+
+	if (bcma_read32(core, CHIPCREGOFFS(pmustatus)) & PST_EXTLPOAVAIL) {
+		u32 ilp_ctr, alp_hz;
+
+		/*
+		 * Enable the reg to measure the freq,
+		 * in case it was disabled before
+		 */
+		bcma_write32(core, CHIPCREGOFFS(pmu_xtalfreq),
+			    1U << PMU_XTALFREQ_REG_MEASURE_SHIFT);
+
+		/* Delay for well over 4 ILP clocks */
+		udelay(1000);
+
+		/* Read the latched number of ALP ticks per 4 ILP ticks */
+		ilp_ctr = bcma_read32(core, CHIPCREGOFFS(pmu_xtalfreq)) &
+			  PMU_XTALFREQ_REG_ILPCTR_MASK;
+
+		/*
+		 * Turn off the PMU_XTALFREQ_REG_MEASURE_SHIFT
+		 * bit to save power
+		 */
+		bcma_write32(core, CHIPCREGOFFS(pmu_xtalfreq), 0);
+
+		/* Calculate ALP frequency */
+		alp_hz = (ilp_ctr * EXT_ILP_HZ) / 4;
+
+		/*
+		 * Round to nearest 100KHz, and at
+		 * the same time convert to KHz
+		 */
+		alp_khz = (alp_hz + 50000) / 100000 * 100;
+	} else
+		alp_khz = 0;
+
+	return alp_khz;
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/pmu.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#ifndef _BRCM_PMU_H_
+#define _BRCM_PMU_H_
+
+#include "types.h"
+
+u16 si_pmu_fast_pwrup_delay(struct si_pub *sih);
+u32 si_pmu_measure_alpclk(struct si_pub *sih);
+
+#endif /* _BRCM_PMU_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/pub.h

@@ -0,0 +1,341 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_PUB_H_
+#define _BRCM_PUB_H_
+
+#include <linux/bcma/bcma.h>
+#include <brcmu_wifi.h>
+#include "types.h"
+#include "defs.h"
+
+#define	BRCMS_NUMRATES	16	/* max # of rates in a rateset */
+
+/* phy types */
+#define	PHY_TYPE_A	0	/* Phy type A */
+#define	PHY_TYPE_G	2	/* Phy type G */
+#define	PHY_TYPE_N	4	/* Phy type N */
+#define	PHY_TYPE_LP	5	/* Phy type Low Power A/B/G */
+#define	PHY_TYPE_SSN	6	/* Phy type Single Stream N */
+#define	PHY_TYPE_LCN	8	/* Phy type Single Stream N */
+#define	PHY_TYPE_LCNXN	9	/* Phy type 2-stream N */
+#define	PHY_TYPE_HT	7	/* Phy type 3-Stream N */
+
+/* bw */
+#define BRCMS_10_MHZ	10	/* 10Mhz nphy channel bandwidth */
+#define BRCMS_20_MHZ	20	/* 20Mhz nphy channel bandwidth */
+#define BRCMS_40_MHZ	40	/* 40Mhz nphy channel bandwidth */
+
+#define	BRCMS_RSSI_MINVAL	-200	/* Low value, e.g. for forcing roam */
+#define	BRCMS_RSSI_NO_SIGNAL	-91	/* NDIS RSSI link quality cutoffs */
+#define	BRCMS_RSSI_VERY_LOW	-80	/* Very low quality cutoffs */
+#define	BRCMS_RSSI_LOW		-70	/* Low quality cutoffs */
+#define	BRCMS_RSSI_GOOD		-68	/* Good quality cutoffs */
+#define	BRCMS_RSSI_VERY_GOOD	-58	/* Very good quality cutoffs */
+#define	BRCMS_RSSI_EXCELLENT	-57	/* Excellent quality cutoffs */
+
+/* a large TX Power as an init value to factor out of min() calculations,
+ * keep low enough to fit in an s8, units are .25 dBm
+ */
+#define BRCMS_TXPWR_MAX		(127)	/* ~32 dBm = 1,500 mW */
+
+/* rate related definitions */
+#define	BRCMS_RATE_FLAG	0x80	/* Flag to indicate it is a basic rate */
+#define	BRCMS_RATE_MASK	0x7f	/* Rate value mask w/o basic rate flag */
+
+/* legacy rx Antenna diversity for SISO rates */
+#define	ANT_RX_DIV_FORCE_0	0	/* Use antenna 0 */
+#define	ANT_RX_DIV_FORCE_1	1	/* Use antenna 1 */
+#define	ANT_RX_DIV_START_1	2	/* Choose starting with 1 */
+#define	ANT_RX_DIV_START_0	3	/* Choose starting with 0 */
+#define	ANT_RX_DIV_ENABLE	3	/* APHY bbConfig Enable RX Diversity */
+/* default antdiv setting */
+#define ANT_RX_DIV_DEF		ANT_RX_DIV_START_0
+
+/* legacy rx Antenna diversity for SISO rates */
+/* Tx on antenna 0, "legacy term Main" */
+#define ANT_TX_FORCE_0		0
+/* Tx on antenna 1, "legacy term Aux" */
+#define ANT_TX_FORCE_1		1
+/* Tx on phy's last good Rx antenna */
+#define ANT_TX_LAST_RX		3
+/* driver's default tx antenna setting */
+#define ANT_TX_DEF		3
+
+/* Tx Chain values */
+/* def bitmap of txchain */
+#define TXCHAIN_DEF		0x1
+/* default bitmap of tx chains for nphy */
+#define TXCHAIN_DEF_NPHY	0x3
+/* default bitmap of tx chains for nphy */
+#define TXCHAIN_DEF_HTPHY	0x7
+/* def bitmap of rxchain */
+#define RXCHAIN_DEF		0x1
+/* default bitmap of rx chains for nphy */
+#define RXCHAIN_DEF_NPHY	0x3
+/* default bitmap of rx chains for nphy */
+#define RXCHAIN_DEF_HTPHY	0x7
+/* no antenna switch */
+#define ANTSWITCH_NONE		0
+/* antenna switch on 4321CB2, 2of3 */
+#define ANTSWITCH_TYPE_1	1
+/* antenna switch on 4321MPCI, 2of3 */
+#define ANTSWITCH_TYPE_2	2
+/* antenna switch on 4322, 2of3 */
+#define ANTSWITCH_TYPE_3	3
+
+#define RXBUFSZ		PKTBUFSZ
+
+#define MAX_STREAMS_SUPPORTED	4	/* max number of streams supported */
+
+struct brcm_rateset {
+	/* # rates in this set */
+	u32 count;
+	/* rates in 500kbps units w/hi bit set if basic */
+	u8 rates[WL_NUMRATES];
+};
+
+struct brcms_c_rateset {
+	uint count;		/* number of rates in rates[] */
+	 /* rates in 500kbps units w/hi bit set if basic */
+	u8 rates[BRCMS_NUMRATES];
+	u8 htphy_membership;	/* HT PHY Membership */
+	u8 mcs[MCSSET_LEN];	/* supported mcs index bit map */
+};
+
+/* All the HT-specific default advertised capabilities (including AMPDU)
+ * should be grouped here at one place
+ */
+#define AMPDU_DEF_MPDU_DENSITY	6	/* default mpdu density (110 ==> 4us) */
+
+/* wlc internal bss_info */
+struct brcms_bss_info {
+	u8 BSSID[ETH_ALEN];	/* network BSSID */
+	u16 flags;		/* flags for internal attributes */
+	u8 SSID_len;		/* the length of SSID */
+	u8 SSID[32];		/* SSID string */
+	s16 RSSI;		/* receive signal strength (in dBm) */
+	s16 SNR;		/* receive signal SNR in dB */
+	u16 beacon_period;	/* units are Kusec */
+	u16 chanspec;	/* Channel num, bw, ctrl_sb and band */
+	struct brcms_c_rateset rateset;	/* supported rates */
+};
+
+#define MAC80211_PROMISC_BCNS	(1 << 0)
+#define MAC80211_SCAN		(1 << 1)
+
+/*
+ * Public portion of common driver state structure.
+ * The wlc handle points at this.
+ */
+struct brcms_pub {
+	struct brcms_c_info *wlc;
+	struct ieee80211_hw *ieee_hw;
+	struct scb_ampdu *global_ampdu;
+	uint mac80211_state;
+	uint unit;		/* device instance number */
+	uint corerev;		/* core revision */
+	struct si_pub *sih;	/* SI handle (cookie for siutils calls) */
+	bool up;		/* interface up and running */
+	bool hw_off;		/* HW is off */
+	bool hw_up;		/* one time hw up/down */
+	bool _piomode;		/* true if pio mode */
+	uint _nbands;		/* # bands supported */
+	uint now;		/* # elapsed seconds */
+
+	bool delayed_down;	/* down delayed */
+	bool associated;	/* true:part of [I]BSS, false: not */
+	/* (union of stas_associated, aps_associated) */
+	bool _ampdu;		/* ampdu enabled or not */
+	u8 _n_enab;		/* bitmap of 11N + HT support */
+
+	u8 cur_etheraddr[ETH_ALEN];	/* our local ethernet address */
+
+	u32 radio_disabled;	/* bit vector for radio disabled reasons */
+
+	u16 boardrev;	/* version # of particular board */
+	u8 sromrev;		/* version # of the srom */
+	char srom_ccode[BRCM_CNTRY_BUF_SZ];	/* Country Code in SROM */
+	u32 boardflags;	/* Board specific flags from srom */
+	u32 boardflags2;	/* More board flags if sromrev >= 4 */
+	bool phy_11ncapable;	/* the PHY/HW is capable of 802.11N */
+
+	struct wl_cnt *_cnt;	/* low-level counters in driver */
+	struct dentry *dbgfs_dir;
+};
+
+enum wlc_par_id {
+	IOV_MPC = 1,
+	IOV_RTSTHRESH,
+	IOV_QTXPOWER,
+	IOV_BCN_LI_BCN		/* Beacon listen interval in # of beacons */
+};
+
+/***********************************************
+ * Feature-related macros to optimize out code *
+ * *********************************************
+ */
+
+#define ENAB_1x1	0x01
+#define ENAB_2x2	0x02
+#define ENAB_3x3	0x04
+#define ENAB_4x4	0x08
+#define SUPPORT_11N	(ENAB_1x1|ENAB_2x2)
+#define SUPPORT_HT	(ENAB_1x1|ENAB_2x2|ENAB_3x3)
+
+/* WL11N Support */
+#define AMPDU_AGG_HOST	1
+
+/* network protection config */
+#define	BRCMS_PROT_G_SPEC		1	/* SPEC g protection */
+#define	BRCMS_PROT_G_OVR		2	/* SPEC g prot override */
+#define	BRCMS_PROT_G_USER		3	/* gmode specified by user */
+#define	BRCMS_PROT_OVERLAP	4	/* overlap */
+#define	BRCMS_PROT_N_USER		10	/* nmode specified by user */
+#define	BRCMS_PROT_N_CFG		11	/* n protection */
+#define	BRCMS_PROT_N_CFG_OVR	12	/* n protection override */
+#define	BRCMS_PROT_N_NONGF	13	/* non-GF protection */
+#define	BRCMS_PROT_N_NONGF_OVR	14	/* non-GF protection override */
+#define	BRCMS_PROT_N_PAM_OVR	15	/* n preamble override */
+#define	BRCMS_PROT_N_OBSS		16	/* non-HT OBSS present */
+
+/*
+ * 54g modes (basic bits may still be overridden)
+ *
+ * GMODE_LEGACY_B
+ *	Rateset: 1b, 2b, 5.5, 11
+ *	Preamble: Long
+ *	Shortslot: Off
+ * GMODE_AUTO
+ *	Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54
+ *	Extended Rateset: 6, 9, 12, 48
+ *	Preamble: Long
+ *	Shortslot: Auto
+ * GMODE_ONLY
+ *	Rateset: 1b, 2b, 5.5b, 11b, 18, 24b, 36, 54
+ *	Extended Rateset: 6b, 9, 12b, 48
+ *	Preamble: Short required
+ *	Shortslot: Auto
+ * GMODE_B_DEFERRED
+ *	Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54
+ *	Extended Rateset: 6, 9, 12, 48
+ *	Preamble: Long
+ *	Shortslot: On
+ * GMODE_PERFORMANCE
+ *	Rateset: 1b, 2b, 5.5b, 6b, 9, 11b, 12b, 18, 24b, 36, 48, 54
+ *	Preamble: Short required
+ *	Shortslot: On and required
+ * GMODE_LRS
+ *	Rateset: 1b, 2b, 5.5b, 11b
+ *	Extended Rateset: 6, 9, 12, 18, 24, 36, 48, 54
+ *	Preamble: Long
+ *	Shortslot: Auto
+ */
+#define GMODE_LEGACY_B		0
+#define GMODE_AUTO		1
+#define GMODE_ONLY		2
+#define GMODE_B_DEFERRED	3
+#define GMODE_PERFORMANCE	4
+#define GMODE_LRS		5
+#define GMODE_MAX		6
+
+/* MCS values greater than this enable multiple streams */
+#define HIGHEST_SINGLE_STREAM_MCS	7
+
+#define	MAXBANDS		2	/* Maximum #of bands */
+
+/* max number of antenna configurations */
+#define ANT_SELCFG_MAX		4
+
+struct brcms_antselcfg {
+	u8 ant_config[ANT_SELCFG_MAX];	/* antenna configuration */
+	u8 num_antcfg;	/* number of available antenna configurations */
+};
+
+/* common functions for every port */
+struct brcms_c_info *brcms_c_attach(struct brcms_info *wl,
+				    struct bcma_device *core, uint unit,
+				    bool piomode, uint *perr);
+uint brcms_c_detach(struct brcms_c_info *wlc);
+int brcms_c_up(struct brcms_c_info *wlc);
+uint brcms_c_down(struct brcms_c_info *wlc);
+
+bool brcms_c_chipmatch(struct bcma_device *core);
+void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx);
+void brcms_c_reset(struct brcms_c_info *wlc);
+
+void brcms_c_intrson(struct brcms_c_info *wlc);
+u32 brcms_c_intrsoff(struct brcms_c_info *wlc);
+void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask);
+bool brcms_c_intrsupd(struct brcms_c_info *wlc);
+bool brcms_c_isr(struct brcms_c_info *wlc);
+bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded);
+bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu,
+			      struct ieee80211_hw *hw);
+bool brcms_c_aggregatable(struct brcms_c_info *wlc, u8 tid);
+void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx, int val);
+int brcms_c_get_header_len(void);
+void brcms_c_set_addrmatch(struct brcms_c_info *wlc, int match_reg_offset,
+			   const u8 *addr);
+void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci,
+			   const struct ieee80211_tx_queue_params *arg,
+			   bool suspend);
+struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc);
+void brcms_c_ampdu_flush(struct brcms_c_info *wlc, struct ieee80211_sta *sta,
+			 u16 tid);
+void brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid,
+				  u8 ba_wsize, uint max_rx_ampdu_bytes);
+int brcms_c_module_register(struct brcms_pub *pub, const char *name,
+			    struct brcms_info *hdl,
+			    int (*down_fn)(void *handle));
+int brcms_c_module_unregister(struct brcms_pub *pub, const char *name,
+			      struct brcms_info *hdl);
+void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc);
+void brcms_c_enable_mac(struct brcms_c_info *wlc);
+void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state);
+void brcms_c_scan_start(struct brcms_c_info *wlc);
+void brcms_c_scan_stop(struct brcms_c_info *wlc);
+int brcms_c_get_curband(struct brcms_c_info *wlc);
+int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel);
+int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl);
+void brcms_c_get_current_rateset(struct brcms_c_info *wlc,
+				 struct brcm_rateset *currs);
+int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs);
+int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period);
+u16 brcms_c_get_phy_type(struct brcms_c_info *wlc, int phyidx);
+void brcms_c_set_shortslot_override(struct brcms_c_info *wlc,
+				    s8 sslot_override);
+void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval);
+u64 brcms_c_tsf_get(struct brcms_c_info *wlc);
+void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf);
+int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr);
+int brcms_c_get_tx_power(struct brcms_c_info *wlc);
+bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc);
+void brcms_c_mute(struct brcms_c_info *wlc, bool on);
+bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc);
+void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr);
+void brcms_c_start_ap(struct brcms_c_info *wlc, u8 *addr, const u8 *bssid,
+		      u8 *ssid, size_t ssid_len);
+void brcms_c_start_adhoc(struct brcms_c_info *wlc, u8 *addr);
+void brcms_c_update_beacon(struct brcms_c_info *wlc);
+void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon,
+			    u16 tim_offset, u16 dtim_period);
+void brcms_c_set_new_probe_resp(struct brcms_c_info *wlc,
+				struct sk_buff *probe_resp);
+void brcms_c_enable_probe_resp(struct brcms_c_info *wlc, bool enable);
+void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len);
+
+#endif				/* _BRCM_PUB_H_ */

drivers/net/wireless/broadcom/brcm80211/brcmsmac/rate.c

@@ -0,0 +1,514 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+
+#include "d11.h"
+#include "pub.h"
+#include "rate.h"
+
+/*
+ * Rate info per rate: It tells whether a rate is ofdm or not and its phy_rate
+ * value
+ */
+const u8 rate_info[BRCM_MAXRATE + 1] = {
+	/*  0     1     2     3     4     5     6     7     8     9 */
+/*   0 */ 0x00, 0x00, 0x0a, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*  10 */ 0x00, 0x37, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x00,
+/*  20 */ 0x00, 0x00, 0x6e, 0x00, 0x8a, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*  30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00,
+/*  40 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x89, 0x00,
+/*  50 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*  60 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*  70 */ 0x00, 0x00, 0x8d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*  80 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*  90 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00,
+/* 100 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8c
+};
+
+/* rates are in units of Kbps */
+const struct brcms_mcs_info mcs_table[MCS_TABLE_SIZE] = {
+	/* MCS  0: SS 1, MOD: BPSK,  CR 1/2 */
+	{6500, 13500, CEIL(6500 * 10, 9), CEIL(13500 * 10, 9), 0x00,
+	 BRCM_RATE_6M},
+	/* MCS  1: SS 1, MOD: QPSK,  CR 1/2 */
+	{13000, 27000, CEIL(13000 * 10, 9), CEIL(27000 * 10, 9), 0x08,
+	 BRCM_RATE_12M},
+	/* MCS  2: SS 1, MOD: QPSK,  CR 3/4 */
+	{19500, 40500, CEIL(19500 * 10, 9), CEIL(40500 * 10, 9), 0x0A,
+	 BRCM_RATE_18M},
+	/* MCS  3: SS 1, MOD: 16QAM, CR 1/2 */
+	{26000, 54000, CEIL(26000 * 10, 9), CEIL(54000 * 10, 9), 0x10,
+	 BRCM_RATE_24M},
+	/* MCS  4: SS 1, MOD: 16QAM, CR 3/4 */
+	{39000, 81000, CEIL(39000 * 10, 9), CEIL(81000 * 10, 9), 0x12,
+	 BRCM_RATE_36M},
+	/* MCS  5: SS 1, MOD: 64QAM, CR 2/3 */
+	{52000, 108000, CEIL(52000 * 10, 9), CEIL(108000 * 10, 9), 0x19,
+	 BRCM_RATE_48M},
+	/* MCS  6: SS 1, MOD: 64QAM, CR 3/4 */
+	{58500, 121500, CEIL(58500 * 10, 9), CEIL(121500 * 10, 9), 0x1A,
+	 BRCM_RATE_54M},
+	/* MCS  7: SS 1, MOD: 64QAM, CR 5/6 */
+	{65000, 135000, CEIL(65000 * 10, 9), CEIL(135000 * 10, 9), 0x1C,
+	 BRCM_RATE_54M},
+	/* MCS  8: SS 2, MOD: BPSK,  CR 1/2 */
+	{13000, 27000, CEIL(13000 * 10, 9), CEIL(27000 * 10, 9), 0x40,
+	 BRCM_RATE_6M},
+	/* MCS  9: SS 2, MOD: QPSK,  CR 1/2 */
+	{26000, 54000, CEIL(26000 * 10, 9), CEIL(54000 * 10, 9), 0x48,
+	 BRCM_RATE_12M},
+	/* MCS 10: SS 2, MOD: QPSK,  CR 3/4 */
+	{39000, 81000, CEIL(39000 * 10, 9), CEIL(81000 * 10, 9), 0x4A,
+	 BRCM_RATE_18M},
+	/* MCS 11: SS 2, MOD: 16QAM, CR 1/2 */
+	{52000, 108000, CEIL(52000 * 10, 9), CEIL(108000 * 10, 9), 0x50,
+	 BRCM_RATE_24M},
+	/* MCS 12: SS 2, MOD: 16QAM, CR 3/4 */
+	{78000, 162000, CEIL(78000 * 10, 9), CEIL(162000 * 10, 9), 0x52,
+	 BRCM_RATE_36M},
+	/* MCS 13: SS 2, MOD: 64QAM, CR 2/3 */
+	{104000, 216000, CEIL(104000 * 10, 9), CEIL(216000 * 10, 9), 0x59,
+	 BRCM_RATE_48M},
+	/* MCS 14: SS 2, MOD: 64QAM, CR 3/4 */
+	{117000, 243000, CEIL(117000 * 10, 9), CEIL(243000 * 10, 9), 0x5A,
+	 BRCM_RATE_54M},
+	/* MCS 15: SS 2, MOD: 64QAM, CR 5/6 */
+	{130000, 270000, CEIL(130000 * 10, 9), CEIL(270000 * 10, 9), 0x5C,
+	 BRCM_RATE_54M},
+	/* MCS 16: SS 3, MOD: BPSK,  CR 1/2 */
+	{19500, 40500, CEIL(19500 * 10, 9), CEIL(40500 * 10, 9), 0x80,
+	 BRCM_RATE_6M},
+	/* MCS 17: SS 3, MOD: QPSK,  CR 1/2 */
+	{39000, 81000, CEIL(39000 * 10, 9), CEIL(81000 * 10, 9), 0x88,
+	 BRCM_RATE_12M},
+	/* MCS 18: SS 3, MOD: QPSK,  CR 3/4 */
+	{58500, 121500, CEIL(58500 * 10, 9), CEIL(121500 * 10, 9), 0x8A,
+	 BRCM_RATE_18M},
+	/* MCS 19: SS 3, MOD: 16QAM, CR 1/2 */
+	{78000, 162000, CEIL(78000 * 10, 9), CEIL(162000 * 10, 9), 0x90,
+	 BRCM_RATE_24M},
+	/* MCS 20: SS 3, MOD: 16QAM, CR 3/4 */
+	{117000, 243000, CEIL(117000 * 10, 9), CEIL(243000 * 10, 9), 0x92,
+	 BRCM_RATE_36M},
+	/* MCS 21: SS 3, MOD: 64QAM, CR 2/3 */
+	{156000, 324000, CEIL(156000 * 10, 9), CEIL(324000 * 10, 9), 0x99,
+	 BRCM_RATE_48M},
+	/* MCS 22: SS 3, MOD: 64QAM, CR 3/4 */
+	{175500, 364500, CEIL(175500 * 10, 9), CEIL(364500 * 10, 9), 0x9A,
+	 BRCM_RATE_54M},
+	/* MCS 23: SS 3, MOD: 64QAM, CR 5/6 */
+	{195000, 405000, CEIL(195000 * 10, 9), CEIL(405000 * 10, 9), 0x9B,
+	 BRCM_RATE_54M},
+	/* MCS 24: SS 4, MOD: BPSK,  CR 1/2 */
+	{26000, 54000, CEIL(26000 * 10, 9), CEIL(54000 * 10, 9), 0xC0,
+	 BRCM_RATE_6M},
+	/* MCS 25: SS 4, MOD: QPSK,  CR 1/2 */
+	{52000, 108000, CEIL(52000 * 10, 9), CEIL(108000 * 10, 9), 0xC8,
+	 BRCM_RATE_12M},
+	/* MCS 26: SS 4, MOD: QPSK,  CR 3/4 */
+	{78000, 162000, CEIL(78000 * 10, 9), CEIL(162000 * 10, 9), 0xCA,
+	 BRCM_RATE_18M},
+	/* MCS 27: SS 4, MOD: 16QAM, CR 1/2 */
+	{104000, 216000, CEIL(104000 * 10, 9), CEIL(216000 * 10, 9), 0xD0,
+	 BRCM_RATE_24M},
+	/* MCS 28: SS 4, MOD: 16QAM, CR 3/4 */
+	{156000, 324000, CEIL(156000 * 10, 9), CEIL(324000 * 10, 9), 0xD2,
+	 BRCM_RATE_36M},
+	/* MCS 29: SS 4, MOD: 64QAM, CR 2/3 */
+	{208000, 432000, CEIL(208000 * 10, 9), CEIL(432000 * 10, 9), 0xD9,
+	 BRCM_RATE_48M},
+	/* MCS 30: SS 4, MOD: 64QAM, CR 3/4 */
+	{234000, 486000, CEIL(234000 * 10, 9), CEIL(486000 * 10, 9), 0xDA,
+	 BRCM_RATE_54M},
+	/* MCS 31: SS 4, MOD: 64QAM, CR 5/6 */
+	{260000, 540000, CEIL(260000 * 10, 9), CEIL(540000 * 10, 9), 0xDB,
+	 BRCM_RATE_54M},
+	/* MCS 32: SS 1, MOD: BPSK,  CR 1/2 */
+	{0, 6000, 0, CEIL(6000 * 10, 9), 0x00, BRCM_RATE_6M},
+};
+
+/*
+ * phycfg for legacy OFDM frames: code rate, modulation scheme, spatial streams
+ * Number of spatial streams: always 1 other fields: refer to table 78 of
+ * section 17.3.2.2 of the original .11a standard
+ */
+struct legacy_phycfg {
+	u32 rate_ofdm;	/* ofdm mac rate */
+	/* phy ctl byte 3, code rate, modulation type, # of streams */
+	u8 tx_phy_ctl3;
+};
+
+/* Number of legacy_rate_cfg entries in the table */
+#define LEGACY_PHYCFG_TABLE_SIZE	12
+
+/*
+ * In CCK mode LPPHY overloads OFDM Modulation bits with CCK Data Rate
+ * Eventually MIMOPHY would also be converted to this format
+ * 0 = 1Mbps; 1 = 2Mbps; 2 = 5.5Mbps; 3 = 11Mbps
+ */
+static const struct
+legacy_phycfg legacy_phycfg_table[LEGACY_PHYCFG_TABLE_SIZE] = {
+	{BRCM_RATE_1M, 0x00},	/* CCK  1Mbps,  data rate  0 */
+	{BRCM_RATE_2M, 0x08},	/* CCK  2Mbps,  data rate  1 */
+	{BRCM_RATE_5M5, 0x10},	/* CCK  5.5Mbps,  data rate  2 */
+	{BRCM_RATE_11M, 0x18},	/* CCK  11Mbps,  data rate   3 */
+	/* OFDM  6Mbps,  code rate 1/2, BPSK,   1 spatial stream */
+	{BRCM_RATE_6M, 0x00},
+	/* OFDM  9Mbps,  code rate 3/4, BPSK,   1 spatial stream */
+	{BRCM_RATE_9M, 0x02},
+	/* OFDM  12Mbps, code rate 1/2, QPSK,   1 spatial stream */
+	{BRCM_RATE_12M, 0x08},
+	/* OFDM  18Mbps, code rate 3/4, QPSK,   1 spatial stream */
+	{BRCM_RATE_18M, 0x0A},
+	/* OFDM  24Mbps, code rate 1/2, 16-QAM, 1 spatial stream */
+	{BRCM_RATE_24M, 0x10},
+	/* OFDM  36Mbps, code rate 3/4, 16-QAM, 1 spatial stream */
+	{BRCM_RATE_36M, 0x12},
+	/* OFDM  48Mbps, code rate 2/3, 64-QAM, 1 spatial stream */
+	{BRCM_RATE_48M, 0x19},
+	/* OFDM  54Mbps, code rate 3/4, 64-QAM, 1 spatial stream */
+	{BRCM_RATE_54M, 0x1A},
+};
+
+/* Hardware rates (also encodes default basic rates) */
+
+const struct brcms_c_rateset cck_ofdm_mimo_rates = {
+	12,
+	/*  1b,   2b,   5.5b, 6,    9,    11b,  12,   18,   24,   36,   48, */
+	{ 0x82, 0x84, 0x8b, 0x0c, 0x12, 0x96, 0x18, 0x24, 0x30, 0x48, 0x60,
+	/* 54 Mbps */
+	  0x6c},
+	0x00,
+	{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+const struct brcms_c_rateset ofdm_mimo_rates = {
+	8,
+	/*  6b,   9,    12b,  18,   24b,  36,   48,   54 Mbps */
+	{ 0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c},
+	0x00,
+	{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+/* Default ratesets that include MCS32 for 40BW channels */
+static const struct brcms_c_rateset cck_ofdm_40bw_mimo_rates = {
+	12,
+	/*  1b,   2b,   5.5b, 6,    9,    11b,  12,   18,   24,   36,   48 */
+	{ 0x82, 0x84, 0x8b, 0x0c, 0x12, 0x96, 0x18, 0x24, 0x30, 0x48, 0x60,
+	/* 54 Mbps */
+	  0x6c},
+	0x00,
+	{ 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+static const struct brcms_c_rateset ofdm_40bw_mimo_rates = {
+	8,
+	/*  6b,   9,    12b,  18,   24b,  36,   48,   54 Mbps */
+	{ 0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c},
+	0x00,
+	{ 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+const struct brcms_c_rateset cck_ofdm_rates = {
+	12,
+	/*  1b,   2b, 5.5b, 6,    9,    11b,  12,   18,   24,   36,   48,*/
+	{ 0x82, 0x84, 0x8b, 0x0c, 0x12, 0x96, 0x18, 0x24, 0x30, 0x48, 0x60,
+	/*54 Mbps */
+	  0x6c},
+	0x00,
+	{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+const struct brcms_c_rateset gphy_legacy_rates = {
+	4,
+	/*  1b,   2b,   5.5b, 11b Mbps */
+	{ 0x82, 0x84, 0x8b, 0x96},
+	0x00,
+	{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+const struct brcms_c_rateset ofdm_rates = {
+	8,
+	/*  6b,   9,    12b,  18,   24b,  36,   48,   54 Mbps */
+	{ 0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c},
+	0x00,
+	{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+const struct brcms_c_rateset cck_rates = {
+	4,
+	/*  1b,   2b,   5.5,  11 Mbps */
+	{ 0x82, 0x84, 0x0b, 0x16},
+	0x00,
+	{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	  0x00, 0x00, 0x00, 0x00, 0x00}
+};
+
+/* check if rateset is valid.
+ * if check_brate is true, rateset without a basic rate is considered NOT valid.
+ */
+static bool brcms_c_rateset_valid(struct brcms_c_rateset *rs, bool check_brate)
+{
+	uint idx;
+
+	if (!rs->count)
+		return false;
+
+	if (!check_brate)
+		return true;
+
+	/* error if no basic rates */
+	for (idx = 0; idx < rs->count; idx++) {
+		if (rs->rates[idx] & BRCMS_RATE_FLAG)
+			return true;
+	}
+	return false;
+}
+
+void brcms_c_rateset_mcs_upd(struct brcms_c_rateset *rs, u8 txstreams)
+{
+	int i;
+	for (i = txstreams; i < MAX_STREAMS_SUPPORTED; i++)
+		rs->mcs[i] = 0;
+}
+
+/*
+ * filter based on hardware rateset, and sort filtered rateset with basic
+ * bit(s) preserved, and check if resulting rateset is valid.
+*/
+bool
+brcms_c_rate_hwrs_filter_sort_validate(struct brcms_c_rateset *rs,
+				   const struct brcms_c_rateset *hw_rs,
+				   bool check_brate, u8 txstreams)
+{
+	u8 rateset[BRCM_MAXRATE + 1];
+	u8 r;
+	uint count;
+	uint i;
+
+	memset(rateset, 0, sizeof(rateset));
+	count = rs->count;
+
+	for (i = 0; i < count; i++) {
+		/* mask off "basic rate" bit, BRCMS_RATE_FLAG */
+		r = (int)rs->rates[i] & BRCMS_RATE_MASK;
+		if ((r > BRCM_MAXRATE) || (rate_info[r] == 0))
+			continue;
+		rateset[r] = rs->rates[i];	/* preserve basic bit! */
+	}
+
+	/* fill out the rates in order, looking at only supported rates */
+	count = 0;
+	for (i = 0; i < hw_rs->count; i++) {
+		r = hw_rs->rates[i] & BRCMS_RATE_MASK;
+		if (rateset[r])
+			rs->rates[count++] = rateset[r];
+	}
+
+	rs->count = count;
+
+	/* only set the mcs rate bit if the equivalent hw mcs bit is set */
+	for (i = 0; i < MCSSET_LEN; i++)
+		rs->mcs[i] = (rs->mcs[i] & hw_rs->mcs[i]);
+
+	if (brcms_c_rateset_valid(rs, check_brate))
+		return true;
+	else
+		return false;
+}
+
+/* calculate the rate of a rx'd frame and return it as a ratespec */
+u32 brcms_c_compute_rspec(struct d11rxhdr *rxh, u8 *plcp)
+{
+	int phy_type;
+	u32 rspec = PHY_TXC1_BW_20MHZ << RSPEC_BW_SHIFT;
+
+	phy_type =
+	    ((rxh->RxChan & RXS_CHAN_PHYTYPE_MASK) >> RXS_CHAN_PHYTYPE_SHIFT);
+
+	if ((phy_type == PHY_TYPE_N) || (phy_type == PHY_TYPE_SSN) ||
+	    (phy_type == PHY_TYPE_LCN) || (phy_type == PHY_TYPE_HT)) {
+		switch (rxh->PhyRxStatus_0 & PRXS0_FT_MASK) {
+		case PRXS0_CCK:
+			rspec =
+				cck_phy2mac_rate(
+				((struct cck_phy_hdr *) plcp)->signal);
+			break;
+		case PRXS0_OFDM:
+			rspec =
+			    ofdm_phy2mac_rate(
+				((struct ofdm_phy_hdr *) plcp)->rlpt[0]);
+			break;
+		case PRXS0_PREN:
+			rspec = (plcp[0] & MIMO_PLCP_MCS_MASK) | RSPEC_MIMORATE;
+			if (plcp[0] & MIMO_PLCP_40MHZ) {
+				/* indicate rspec is for 40 MHz mode */
+				rspec &= ~RSPEC_BW_MASK;
+				rspec |= (PHY_TXC1_BW_40MHZ << RSPEC_BW_SHIFT);
+			}
+			break;
+		case PRXS0_STDN:
+			/* fallthru */
+		default:
+			/* not supported, error condition */
+			break;
+		}
+		if (plcp3_issgi(plcp[3]))
+			rspec |= RSPEC_SHORT_GI;
+	} else
+	    if ((phy_type == PHY_TYPE_A) || (rxh->PhyRxStatus_0 & PRXS0_OFDM))
+		rspec = ofdm_phy2mac_rate(
+				((struct ofdm_phy_hdr *) plcp)->rlpt[0]);
+	else
+		rspec = cck_phy2mac_rate(
+				((struct cck_phy_hdr *) plcp)->signal);
+
+	return rspec;
+}
+
+/* copy rateset src to dst as-is (no masking or sorting) */
+void brcms_c_rateset_copy(const struct brcms_c_rateset *src,
+			  struct brcms_c_rateset *dst)
+{
+	memcpy(dst, src, sizeof(struct brcms_c_rateset));
+}
+
+/*
+ * Copy and selectively filter one rateset to another.
+ * 'basic_only' means only copy basic rates.
+ * 'rates' indicates cck (11b) and ofdm rates combinations.
+ *    - 0: cck and ofdm
+ *    - 1: cck only
+ *    - 2: ofdm only
+ * 'xmask' is the copy mask (typically 0x7f or 0xff).
+ */
+void
+brcms_c_rateset_filter(struct brcms_c_rateset *src, struct brcms_c_rateset *dst,
+		       bool basic_only, u8 rates, uint xmask, bool mcsallow)
+{
+	uint i;
+	uint r;
+	uint count;
+
+	count = 0;
+	for (i = 0; i < src->count; i++) {
+		r = src->rates[i];
+		if (basic_only && !(r & BRCMS_RATE_FLAG))
+			continue;
+		if (rates == BRCMS_RATES_CCK &&
+		    is_ofdm_rate((r & BRCMS_RATE_MASK)))
+			continue;
+		if (rates == BRCMS_RATES_OFDM &&
+		    is_cck_rate((r & BRCMS_RATE_MASK)))
+			continue;
+		dst->rates[count++] = r & xmask;
+	}
+	dst->count = count;
+	dst->htphy_membership = src->htphy_membership;
+
+	if (mcsallow && rates != BRCMS_RATES_CCK)
+		memcpy(&dst->mcs[0], &src->mcs[0], MCSSET_LEN);
+	else
+		brcms_c_rateset_mcs_clear(dst);
+}
+
+/* select rateset for a given phy_type and bandtype and filter it, sort it
+ * and fill rs_tgt with result
+ */
+void
+brcms_c_rateset_default(struct brcms_c_rateset *rs_tgt,
+			const struct brcms_c_rateset *rs_hw,
+			uint phy_type, int bandtype, bool cck_only,
+			uint rate_mask, bool mcsallow, u8 bw, u8 txstreams)
+{
+	const struct brcms_c_rateset *rs_dflt;
+	struct brcms_c_rateset rs_sel;
+	if ((PHYTYPE_IS(phy_type, PHY_TYPE_HT)) ||
+	    (PHYTYPE_IS(phy_type, PHY_TYPE_N)) ||
+	    (PHYTYPE_IS(phy_type, PHY_TYPE_LCN)) ||
+	    (PHYTYPE_IS(phy_type, PHY_TYPE_SSN))) {
+		if (bandtype == BRCM_BAND_5G)
+			rs_dflt = (bw == BRCMS_20_MHZ ?
+				   &ofdm_mimo_rates : &ofdm_40bw_mimo_rates);
+		else
+			rs_dflt = (bw == BRCMS_20_MHZ ?
+				   &cck_ofdm_mimo_rates :
+				   &cck_ofdm_40bw_mimo_rates);
+	} else if (PHYTYPE_IS(phy_type, PHY_TYPE_LP)) {
+		rs_dflt = (bandtype == BRCM_BAND_5G) ?
+			  &ofdm_rates : &cck_ofdm_rates;
+	} else if (PHYTYPE_IS(phy_type, PHY_TYPE_A)) {
+		rs_dflt = &ofdm_rates;
+	} else if (PHYTYPE_IS(phy_type, PHY_TYPE_G)) {
+		rs_dflt = &cck_ofdm_rates;
+	} else {
+		/* should not happen, error condition */
+		rs_dflt = &cck_rates;	/* force cck */
+	}
+
+	/* if hw rateset is not supplied, assign selected rateset to it */
+	if (!rs_hw)
+		rs_hw = rs_dflt;
+
+	brcms_c_rateset_copy(rs_dflt, &rs_sel);
+	brcms_c_rateset_mcs_upd(&rs_sel, txstreams);
+	brcms_c_rateset_filter(&rs_sel, rs_tgt, false,
+			   cck_only ? BRCMS_RATES_CCK : BRCMS_RATES_CCK_OFDM,
+			   rate_mask, mcsallow);
+	brcms_c_rate_hwrs_filter_sort_validate(rs_tgt, rs_hw, false,
+					   mcsallow ? txstreams : 1);
+}
+
+s16 brcms_c_rate_legacy_phyctl(uint rate)
+{
+	uint i;
+	for (i = 0; i < LEGACY_PHYCFG_TABLE_SIZE; i++)
+		if (rate == legacy_phycfg_table[i].rate_ofdm)
+			return legacy_phycfg_table[i].tx_phy_ctl3;
+
+	return -1;
+}
+
+void brcms_c_rateset_mcs_clear(struct brcms_c_rateset *rateset)
+{
+	uint i;
+	for (i = 0; i < MCSSET_LEN; i++)
+		rateset->mcs[i] = 0;
+}
+
+void brcms_c_rateset_mcs_build(struct brcms_c_rateset *rateset, u8 txstreams)
+{
+	memcpy(&rateset->mcs[0], &cck_ofdm_mimo_rates.mcs[0], MCSSET_LEN);
+	brcms_c_rateset_mcs_upd(rateset, txstreams);
+}
+
+/* Based on bandwidth passed, allow/disallow MCS 32 in the rateset */
+void brcms_c_rateset_bw_mcs_filter(struct brcms_c_rateset *rateset, u8 bw)
+{
+	if (bw == BRCMS_40_MHZ)
+		setbit(rateset->mcs, 32);
+	else
+		clrbit(rateset->mcs, 32);
+}

drivers/net/wireless/broadcom/brcm80211/brcmsmac/rate.h

@@ -0,0 +1,245 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_RATE_H_
+#define _BRCM_RATE_H_
+
+#include "types.h"
+#include "d11.h"
+#include "phy_hal.h"
+
+extern const u8 rate_info[];
+extern const struct brcms_c_rateset cck_ofdm_mimo_rates;
+extern const struct brcms_c_rateset ofdm_mimo_rates;
+extern const struct brcms_c_rateset cck_ofdm_rates;
+extern const struct brcms_c_rateset ofdm_rates;
+extern const struct brcms_c_rateset cck_rates;
+extern const struct brcms_c_rateset gphy_legacy_rates;
+extern const struct brcms_c_rateset rate_limit_1_2;
+
+struct brcms_mcs_info {
+	/* phy rate in kbps [20Mhz] */
+	u32 phy_rate_20;
+	/* phy rate in kbps [40Mhz] */
+	u32 phy_rate_40;
+	/* phy rate in kbps [20Mhz] with SGI */
+	u32 phy_rate_20_sgi;
+	/* phy rate in kbps [40Mhz] with SGI */
+	u32 phy_rate_40_sgi;
+	/* phy ctl byte 3, code rate, modulation type, # of streams */
+	u8 tx_phy_ctl3;
+	/* matching legacy ofdm rate in 500bkps */
+	u8 leg_ofdm;
+};
+
+#define BRCMS_MAXMCS	32	/* max valid mcs index */
+#define MCS_TABLE_SIZE	33	/* Number of mcs entries in the table */
+extern const struct brcms_mcs_info mcs_table[];
+
+#define MCS_TXS_MASK	0xc0	/* num tx streams - 1 bit mask */
+#define MCS_TXS_SHIFT	6	/* num tx streams - 1 bit shift */
+
+/* returns num tx streams - 1 */
+static inline u8 mcs_2_txstreams(u8 mcs)
+{
+	return (mcs_table[mcs].tx_phy_ctl3 & MCS_TXS_MASK) >> MCS_TXS_SHIFT;
+}
+
+static inline uint mcs_2_rate(u8 mcs, bool is40, bool sgi)
+{
+	if (sgi) {
+		if (is40)
+			return mcs_table[mcs].phy_rate_40_sgi;
+		return mcs_table[mcs].phy_rate_20_sgi;
+	}
+	if (is40)
+		return mcs_table[mcs].phy_rate_40;
+
+	return mcs_table[mcs].phy_rate_20;
+}
+
+/* Macro to use the rate_info table */
+#define	BRCMS_RATE_MASK_FULL 0xff /* Rate value mask with basic rate flag */
+
+/*
+ * rate spec : holds rate and mode specific information required to generate a
+ * tx frame. Legacy CCK and OFDM information is held in the same manner as was
+ * done in the past (in the lower byte) the upper 3 bytes primarily hold MIMO
+ * specific information
+ */
+
+/* rate spec bit fields */
+
+/* Either 500Kbps units or MIMO MCS idx */
+#define RSPEC_RATE_MASK		0x0000007F
+/* mimo MCS is stored in RSPEC_RATE_MASK */
+#define RSPEC_MIMORATE		0x08000000
+/* mimo bw mask */
+#define RSPEC_BW_MASK		0x00000700
+/* mimo bw shift */
+#define RSPEC_BW_SHIFT		8
+/* mimo Space/Time/Frequency mode mask */
+#define RSPEC_STF_MASK		0x00003800
+/* mimo Space/Time/Frequency mode shift */
+#define RSPEC_STF_SHIFT		11
+/* mimo coding type mask */
+#define RSPEC_CT_MASK		0x0000C000
+/* mimo coding type shift */
+#define RSPEC_CT_SHIFT		14
+/* mimo num STC streams per PLCP defn. */
+#define RSPEC_STC_MASK		0x00300000
+/* mimo num STC streams per PLCP defn. */
+#define RSPEC_STC_SHIFT		20
+/* mimo bit indicates adv coding in use */
+#define RSPEC_LDPC_CODING	0x00400000
+/* mimo bit indicates short GI in use */
+#define RSPEC_SHORT_GI		0x00800000
+/* bit indicates override both rate & mode */
+#define RSPEC_OVERRIDE		0x80000000
+/* bit indicates override rate only */
+#define RSPEC_OVERRIDE_MCS_ONLY 0x40000000
+
+static inline bool rspec_active(u32 rspec)
+{
+	return rspec & (RSPEC_RATE_MASK | RSPEC_MIMORATE);
+}
+
+static inline u8 rspec_phytxbyte2(u32 rspec)
+{
+	return (rspec & 0xff00) >> 8;
+}
+
+static inline u32 rspec_get_bw(u32 rspec)
+{
+	return (rspec & RSPEC_BW_MASK) >> RSPEC_BW_SHIFT;
+}
+
+static inline bool rspec_issgi(u32 rspec)
+{
+	return (rspec & RSPEC_SHORT_GI) == RSPEC_SHORT_GI;
+}
+
+static inline bool rspec_is40mhz(u32 rspec)
+{
+	u32 bw = rspec_get_bw(rspec);
+
+	return bw == PHY_TXC1_BW_40MHZ || bw == PHY_TXC1_BW_40MHZ_DUP;
+}
+
+static inline uint rspec2rate(u32 rspec)
+{
+	if (rspec & RSPEC_MIMORATE)
+		return mcs_2_rate(rspec & RSPEC_RATE_MASK, rspec_is40mhz(rspec),
+				  rspec_issgi(rspec));
+	return rspec & RSPEC_RATE_MASK;
+}
+
+static inline u8 rspec_mimoplcp3(u32 rspec)
+{
+	return (rspec & 0xf00000) >> 16;
+}
+
+static inline bool plcp3_issgi(u8 plcp)
+{
+	return (plcp & (RSPEC_SHORT_GI >> 16)) != 0;
+}
+
+static inline uint rspec_stc(u32 rspec)
+{
+	return (rspec & RSPEC_STC_MASK) >> RSPEC_STC_SHIFT;
+}
+
+static inline uint rspec_stf(u32 rspec)
+{
+	return (rspec & RSPEC_STF_MASK) >> RSPEC_STF_SHIFT;
+}
+
+static inline bool is_mcs_rate(u32 ratespec)
+{
+	return (ratespec & RSPEC_MIMORATE) != 0;
+}
+
+static inline bool is_ofdm_rate(u32 ratespec)
+{
+	return !is_mcs_rate(ratespec) &&
+	       (rate_info[ratespec & RSPEC_RATE_MASK] & BRCMS_RATE_FLAG);
+}
+
+static inline bool is_cck_rate(u32 ratespec)
+{
+	u32 rate = (ratespec & BRCMS_RATE_MASK);
+
+	return !is_mcs_rate(ratespec) && (
+			rate == BRCM_RATE_1M || rate == BRCM_RATE_2M ||
+			rate == BRCM_RATE_5M5 || rate == BRCM_RATE_11M);
+}
+
+static inline bool is_single_stream(u8 mcs)
+{
+	return mcs <= HIGHEST_SINGLE_STREAM_MCS || mcs == 32;
+}
+
+static inline u8 cck_rspec(u8 cck)
+{
+	return cck & RSPEC_RATE_MASK;
+}
+
+/* Convert encoded rate value in plcp header to numerical rates in 500 KHz
+ * increments */
+static inline u8 ofdm_phy2mac_rate(u8 rlpt)
+{
+	return wlc_phy_get_ofdm_rate_lookup()[rlpt & 0x7];
+}
+
+static inline u8 cck_phy2mac_rate(u8 signal)
+{
+	return signal/5;
+}
+
+/* Rates specified in brcms_c_rateset_filter() */
+#define BRCMS_RATES_CCK_OFDM	0
+#define BRCMS_RATES_CCK		1
+#define BRCMS_RATES_OFDM		2
+
+/* sanitize, and sort a rateset with the basic bit(s) preserved, validate
+ * rateset */
+bool brcms_c_rate_hwrs_filter_sort_validate(struct brcms_c_rateset *rs,
+					    const struct brcms_c_rateset *hw_rs,
+					    bool check_brate, u8 txstreams);
+/* copy rateset src to dst as-is (no masking or sorting) */
+void brcms_c_rateset_copy(const struct brcms_c_rateset *src,
+			  struct brcms_c_rateset *dst);
+
+/* would be nice to have these documented ... */
+u32 brcms_c_compute_rspec(struct d11rxhdr *rxh, u8 *plcp);
+
+void brcms_c_rateset_filter(struct brcms_c_rateset *src,
+			    struct brcms_c_rateset *dst, bool basic_only,
+			    u8 rates, uint xmask, bool mcsallow);
+
+void brcms_c_rateset_default(struct brcms_c_rateset *rs_tgt,
+			     const struct brcms_c_rateset *rs_hw, uint phy_type,
+			     int bandtype, bool cck_only, uint rate_mask,
+			     bool mcsallow, u8 bw, u8 txstreams);
+
+s16 brcms_c_rate_legacy_phyctl(uint rate);
+
+void brcms_c_rateset_mcs_upd(struct brcms_c_rateset *rs, u8 txstreams);
+void brcms_c_rateset_mcs_clear(struct brcms_c_rateset *rateset);
+void brcms_c_rateset_mcs_build(struct brcms_c_rateset *rateset, u8 txstreams);
+void brcms_c_rateset_bw_mcs_filter(struct brcms_c_rateset *rateset, u8 bw);
+
+#endif				/* _BRCM_RATE_H_ */