31435bbef5
In case of HL, send tx completion bit in HTT tx descriptor to receive tx completion from FW and disable DHCP indication to FW properly. Change-Id: I2540a125c84c322507acdc0647ee8839d21067ce CRs-Fixed: 2506020
338 rader
10 KiB
C
338 rader
10 KiB
C
/*
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* Copyright (c) 2013-2014, 2016-2017, 2019 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef HTC_PACKET_H_
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#define HTC_PACKET_H_
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#include <osdep.h>
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#include "dl_list.h"
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/* ------ Endpoint IDS ------ */
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typedef enum {
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ENDPOINT_UNUSED = -1,
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ENDPOINT_0 = 0,
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ENDPOINT_1 = 1,
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ENDPOINT_2 = 2,
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ENDPOINT_3,
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ENDPOINT_4,
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ENDPOINT_5,
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ENDPOINT_6,
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ENDPOINT_7,
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ENDPOINT_8,
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ENDPOINT_MAX,
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} HTC_ENDPOINT_ID;
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struct _HTC_PACKET;
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typedef void (*HTC_PACKET_COMPLETION)(void *, struct _HTC_PACKET *);
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typedef uint16_t HTC_TX_TAG;
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/**
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* struct htc_tx_packet_info - HTC TX packet information
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* @Tag: tag used to selective flush packets
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* @CreditsUsed: number of credits used for this TX packet (HTC internal)
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* @SendFlags: send flags (HTC internal)
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* @SeqNo: internal seq no for debugging (HTC internal)
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* @Flags: Internal use
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*/
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struct htc_tx_packet_info {
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HTC_TX_TAG Tag;
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int CreditsUsed;
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uint8_t SendFlags;
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int SeqNo;
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uint32_t Flags;
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};
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/**
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* HTC_TX_PACKET_TAG_XXX - #defines for tagging packets for special handling
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* HTC_TX_PACKET_TAG_ALL: zero is reserved and used to flush ALL packets
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* HTC_TX_PACKET_TAG_INTERNAL: internal tags start here
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* HTC_TX_PACKET_TAG_USER_DEFINED: user-defined tags start here
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* HTC_TX_PACKET_TAG_BUNDLED: indicate this is a bundled tx packet
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* HTC_TX_PACKET_TAG_AUTO_PM: indicate a power management wmi command
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*/
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#define HTC_TX_PACKET_TAG_ALL 0
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#define HTC_TX_PACKET_TAG_INTERNAL 1
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#define HTC_TX_PACKET_TAG_USER_DEFINED (HTC_TX_PACKET_TAG_INTERNAL + 9)
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#define HTC_TX_PACKET_TAG_BUNDLED (HTC_TX_PACKET_TAG_USER_DEFINED + 1)
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#define HTC_TX_PACKET_TAG_AUTO_PM (HTC_TX_PACKET_TAG_USER_DEFINED + 2)
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/* Tag packet for runtime put after sending */
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#define HTC_TX_PACKET_TAG_RUNTIME_PUT (HTC_TX_PACKET_TAG_USER_DEFINED + 3)
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#define HTC_TX_PACKET_FLAG_FIXUP_NETBUF (1 << 0)
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#define HTC_TX_PACKET_FLAG_HTC_HEADER_IN_NETBUF_DATA (1 << 1)
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/**
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* struct htc_rx_packet_info - HTC RX Packet information
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* @ExpectedHdr: HTC Internal use
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* @HTCRxFlags: HTC Internal use
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* @IndicationFlags: indication flags set on each RX packet indication
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*/
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struct htc_rx_packet_info {
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uint32_t ExpectedHdr;
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uint32_t HTCRxFlags;
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uint32_t IndicationFlags;
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};
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/* more packets on this endpoint are being fetched */
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#define HTC_RX_FLAGS_INDICATE_MORE_PKTS (1 << 0)
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#define HTC_PACKET_MAGIC_COOKIE 0xdeadbeef
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/* wrapper around endpoint-specific packets */
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/**
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* struct _HTC_PACKET - HTC Packet data structure
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* @ListLink: double link
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* @pPktContext: caller's per packet specific context
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* @pBufferStart: The true buffer start, the caller can store the real buffer
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* start here. In receive callbacks, the HTC layer sets pBuffer
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* to the start of the payload past the header. This field allows
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* the caller to reset pBuffer when it recycles receive packets
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* back to HTC
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* @pBuffer: payload start (RX/TX)
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* @BufferLength: length of buffer
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* @ActualLength: actual length of payload
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* @Endpoint: endpoint that this packet was sent/recv'd from
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* @Status: completion status
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* @PktInfo: Packet specific info
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* @netbufOrigHeadRoom: Original head room of skb
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* @Completion: completion
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* @pContext: HTC private completion context
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* @pNetBufContext: optimization for network-oriented data, the HTC packet can
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* pass the network buffer corresponding to the HTC packet
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* lower layers may optimized the transfer knowing this is a
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* network buffer
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* @magic_cookie: HTC Magic cookie
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*/
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typedef struct _HTC_PACKET {
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DL_LIST ListLink;
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void *pPktContext;
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uint8_t *pBufferStart;
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/*
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* Pointer to the start of the buffer. In the transmit
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* direction this points to the start of the payload. In the
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* receive direction, however, the buffer when queued up
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* points to the start of the HTC header but when returned
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* to the caller points to the start of the payload
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*/
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uint8_t *pBuffer;
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uint32_t BufferLength;
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uint32_t ActualLength;
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HTC_ENDPOINT_ID Endpoint;
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QDF_STATUS Status;
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union {
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struct htc_tx_packet_info AsTx;
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struct htc_rx_packet_info AsRx;
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} PktInfo;
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/* the following fields are for internal HTC use */
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uint32_t netbufOrigHeadRoom;
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HTC_PACKET_COMPLETION Completion;
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void *pContext;
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void *pNetBufContext;
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uint32_t magic_cookie;
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} HTC_PACKET;
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#define COMPLETE_HTC_PACKET(p, status) \
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{ \
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(p)->Status = (status); \
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(p)->Completion((p)->pContext, (p)); \
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}
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#define INIT_HTC_PACKET_INFO(p, b, len) \
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{ \
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(p)->pBufferStart = (b); \
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(p)->BufferLength = (len); \
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}
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/* macro to set an initial RX packet for refilling HTC */
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#define SET_HTC_PACKET_INFO_RX_REFILL(p, c, b, len, ep) \
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do { \
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(p)->pPktContext = (c); \
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(p)->pBuffer = (b); \
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(p)->pBufferStart = (b); \
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(p)->BufferLength = (len); \
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(p)->Endpoint = (ep); \
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} while (0)
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/* fast macro to recycle an RX packet that will be re-queued to HTC */
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#define HTC_PACKET_RESET_RX(p) \
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{ (p)->pBuffer = (p)->pBufferStart; (p)->ActualLength = 0; }
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/* macro to set packet parameters for TX */
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#define SET_HTC_PACKET_INFO_TX(p, c, b, len, ep, tag) \
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do { \
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(p)->pPktContext = (c); \
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(p)->pBuffer = (b); \
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(p)->ActualLength = (len); \
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(p)->Endpoint = (ep); \
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(p)->PktInfo.AsTx.Tag = (tag); \
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(p)->PktInfo.AsTx.Flags = 0; \
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(p)->PktInfo.AsTx.SendFlags = 0; \
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} while (0)
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#define SET_HTC_PACKET_NET_BUF_CONTEXT(p, nb) \
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{ \
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(p)->pNetBufContext = (nb); \
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}
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#define GET_HTC_PACKET_NET_BUF_CONTEXT(p) (p)->pNetBufContext
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/* HTC Packet Queueing Macros */
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typedef struct _HTC_PACKET_QUEUE {
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DL_LIST QueueHead;
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int Depth;
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} HTC_PACKET_QUEUE;
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/* initialize queue */
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#define INIT_HTC_PACKET_QUEUE(pQ) \
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{ \
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DL_LIST_INIT(&(pQ)->QueueHead); \
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(pQ)->Depth = 0; \
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}
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/* enqueue HTC packet to the tail of the queue */
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#define HTC_PACKET_ENQUEUE(pQ, p) \
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{ dl_list_insert_tail(&(pQ)->QueueHead, &(p)->ListLink); \
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(pQ)->Depth++; \
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}
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/* enqueue HTC packet to the tail of the queue */
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#define HTC_PACKET_ENQUEUE_TO_HEAD(pQ, p) \
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{ dl_list_insert_head(&(pQ)->QueueHead, &(p)->ListLink); \
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(pQ)->Depth++; \
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}
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/* test if a queue is empty */
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#define HTC_QUEUE_EMPTY(pQ) ((pQ)->Depth == 0)
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/* get packet at head without removing it */
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static inline HTC_PACKET *htc_get_pkt_at_head(HTC_PACKET_QUEUE *queue)
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{
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if (queue->Depth == 0)
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return NULL;
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return A_CONTAINING_STRUCT((DL_LIST_GET_ITEM_AT_HEAD(
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&queue->QueueHead)),
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HTC_PACKET, ListLink);
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}
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/* remove a packet from a queue, where-ever it is in the queue */
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#define HTC_PACKET_REMOVE(pQ, p) \
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{ \
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dl_list_remove(&(p)->ListLink); \
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(pQ)->Depth--; \
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}
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/* dequeue an HTC packet from the head of the queue */
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static inline HTC_PACKET *htc_packet_dequeue(HTC_PACKET_QUEUE *queue)
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{
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DL_LIST *pItem = dl_list_remove_item_from_head(&queue->QueueHead);
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if (pItem) {
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queue->Depth--;
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return A_CONTAINING_STRUCT(pItem, HTC_PACKET, ListLink);
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}
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return NULL;
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}
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/* dequeue an HTC packet from the tail of the queue */
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static inline HTC_PACKET *htc_packet_dequeue_tail(HTC_PACKET_QUEUE *queue)
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{
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DL_LIST *pItem = dl_list_remove_item_from_tail(&queue->QueueHead);
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if (pItem) {
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queue->Depth--;
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return A_CONTAINING_STRUCT(pItem, HTC_PACKET, ListLink);
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}
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return NULL;
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}
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#define HTC_PACKET_QUEUE_DEPTH(pQ) (pQ)->Depth
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#define HTC_GET_ENDPOINT_FROM_PKT(p) (p)->Endpoint
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#define HTC_GET_TAG_FROM_PKT(p) (p)->PktInfo.AsTx.Tag
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/* transfer the packets from one queue to the tail of another queue */
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#define HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(pQDest, pQSrc) \
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{ \
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dl_list_transfer_items_to_tail(&(pQDest)->QueueHead, \
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&(pQSrc)->QueueHead); \
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(pQDest)->Depth += (pQSrc)->Depth; \
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(pQSrc)->Depth = 0; \
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}
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/*
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* Transfer the packets from one queue to the head of another queue.
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* This xfer_to_head(q1,q2) is basically equivalent to xfer_to_tail(q2,q1),
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* but it updates the queue descriptor object for the initial queue to refer
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* to the concatenated queue.
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*/
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#define HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(pQDest, pQSrc) \
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{ \
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dl_list_transfer_items_to_head(&(pQDest)->QueueHead, \
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&(pQSrc)->QueueHead); \
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(pQDest)->Depth += (pQSrc)->Depth; \
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(pQSrc)->Depth = 0; \
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}
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/* fast version to init and add a single packet to a queue */
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#define INIT_HTC_PACKET_QUEUE_AND_ADD(pQ, pP) \
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{ \
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DL_LIST_INIT_AND_ADD(&(pQ)->QueueHead, &(pP)->ListLink) \
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(pQ)->Depth = 1; \
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}
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#define HTC_PACKET_QUEUE_ITERATE_ALLOW_REMOVE(pQ, pPTemp) \
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ITERATE_OVER_LIST_ALLOW_REMOVE(&(pQ)->QueueHead, \
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(pPTemp), HTC_PACKET, ListLink)
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#define HTC_PACKET_QUEUE_ITERATE_IS_VALID(pQ) ITERATE_IS_VALID(&(pQ)->QueueHead)
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#define HTC_PACKET_QUEUE_ITERATE_RESET(pQ) ITERATE_RESET(&(pQ)->QueueHead)
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#define HTC_PACKET_QUEUE_ITERATE_END ITERATE_END
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/**
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* htc_packet_set_magic_cookie() - set magic cookie in htc packet
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* htc_pkt - pointer to htc packet
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* value - value to set in magic cookie
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*
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* This API sets the magic cookie passed in htc packet.
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*
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* Return : None
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*/
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static inline void htc_packet_set_magic_cookie(HTC_PACKET *htc_pkt,
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uint32_t value)
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{
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htc_pkt->magic_cookie = value;
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}
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/**
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* htc_packet_set_magic_cookie() - get magic cookie in htc packet
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* htc_pkt - pointer to htc packet
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*
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* This API returns the magic cookie in htc packet.
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*
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* Return : magic cookie
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*/
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static inline uint32_t htc_packet_get_magic_cookie(HTC_PACKET *htc_pkt)
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{
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return htc_pkt->magic_cookie;
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}
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#endif /*HTC_PACKET_H_ */
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