xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

brcmfmac: Adding msgbuf protocol.

Browse Source 
This patch will add the msgbuf protocol. This protocol is used by
the soon to be added new bus interface PCIe. Msgbuf is a protocol
where most data is and remains located on the host (driver) side
and transferred by DMA from and to device. Msgbuf is the protocol
which takes care of the signalling of the buffers between host and
device which identifies this DMA-able data.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman
2014-07-30 13:20:03 +02:00
committed by John W. Linville
parent 8851cce085
commit 9a1bb60250
10 changed files with 2275 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/net/wireless/brcm80211/brcmfmac/proto.c
View File

@@ -21,9 +21,11 @@
#include <brcmu_wifi.h>
#include "dhd.h"
#include "dhd_bus.h"
#include "dhd_dbg.h"
#include "proto.h"
#include "bcdc.h"
#include "msgbuf.h"
int brcmf_proto_attach(struct brcmf_pub *drvr)
@@ -37,10 +39,18 @@ int brcmf_proto_attach(struct brcmf_pub *drvr)
goto fail;
drvr->proto = proto;
/* BCDC protocol is only protocol supported for the moment */
if (brcmf_proto_bcdc_attach(drvr))
goto fail;
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) ||
@@ -61,7 +71,10 @@ void brcmf_proto_detach(struct brcmf_pub *drvr)
brcmf_dbg(TRACE, "Enter\n");
if (drvr->proto) {
brcmf_proto_bcdc_detach(drvr);
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;
}