samsung-sm8650/android_kernel_samsung_sm8650-modules
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e37d96429553785d0360bcf651eb9c896ed49937
android_kernel_samsung_sm86…/dp/wifi3.0/dp_tx_capture.c
nobelj e37d964295 qca-wifi: Move WIN ENH TX capture feature out of cmndev 
support TX capture mode to deliver msdu along with meta data

Change-Id: I05b988860eec4afe29382b26136958801cccb6eb
2019-05-09 12:16:14 -07:00

1490 行
39 KiB
C
原始文件 Blame 文件历史

/*
* Copyright (c) 2017-2019 The Linux Foundation. All rights reserved.
*
* 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 <htt.h>
#include "qdf_trace.h"
#include "qdf_nbuf.h"
#include "dp_peer.h"
#include "dp_types.h"
#include "dp_internal.h"
#include "dp_rx_mon.h"
#include "htt_ppdu_stats.h"
#include "dp_htt.h"
#include "qdf_mem.h" /* qdf_mem_malloc,free */
#include "cdp_txrx_cmn_struct.h"
#include <enet.h>
#include "dp_tx_capture.h"
#ifdef WLAN_TX_PKT_CAPTURE_ENH
/*
* dp_peer_tid_queue_init() – Initialize ppdu stats queue per TID
* @peer: Datapath peer
*
*/
void dp_peer_tid_queue_init(struct dp_peer *peer)
{
int tid;
struct dp_tx_tid *tx_tid;
for (tid = 0; tid < DP_MAX_TIDS; tid++) {
tx_tid = &peer->tx_capture.tx_tid[tid];
tx_tid->tid = tid;
qdf_nbuf_queue_init(&tx_tid->msdu_comp_q);
tx_tid->max_ppdu_id = 0;
/* spinlock create */
qdf_spinlock_create(&tx_tid->tid_lock);
}
}
/*
* dp_peer_tid_queue_cleanup() – remove ppdu stats queue per TID
* @peer: Datapath peer
*
*/
void dp_peer_tid_queue_cleanup(struct dp_peer *peer)
{
int tid;
struct dp_tx_tid *tx_tid;
for (tid = 0; tid < DP_MAX_TIDS; tid++) {
tx_tid = &peer->tx_capture.tx_tid[tid];
/* spinlock destroy */
qdf_spinlock_destroy(&tx_tid->tid_lock);
qdf_nbuf_queue_free(&tx_tid->msdu_comp_q);
tx_tid->max_ppdu_id = 0;
}
}
/*
* dp_peer_update_80211_hdr: update 80211 hdr
* @vdev: DP VDEV
* @peer: DP PEER
*
* return: void
*/
void dp_peer_update_80211_hdr(struct dp_vdev *vdev, struct dp_peer *peer)
{
struct ieee80211_frame *ptr_wh;
ptr_wh = &peer->tx_capture.tx_wifi_hdr;
/* i_addr1 - Receiver mac address */
/* i_addr2 - Transmitter mac address */
/* i_addr3 - Destination mac address */
qdf_mem_copy(ptr_wh->i_addr1,
peer->mac_addr.raw,
QDF_MAC_ADDR_SIZE);
qdf_mem_copy(ptr_wh->i_addr3,
peer->mac_addr.raw,
QDF_MAC_ADDR_SIZE);
qdf_mem_copy(ptr_wh->i_addr2,
vdev->mac_addr.raw,
QDF_MAC_ADDR_SIZE);
}
/*
* dp_deliver_mgmt_frm: Process
* @pdev: DP PDEV handle
* @nbuf: buffer containing the htt_ppdu_stats_tx_mgmtctrl_payload_tlv
*
* return: void
*/
void dp_deliver_mgmt_frm(struct dp_pdev *pdev, qdf_nbuf_t nbuf)
{
if (pdev->tx_sniffer_enable || pdev->mcopy_mode) {
dp_wdi_event_handler(WDI_EVENT_TX_MGMT_CTRL, pdev->soc,
nbuf, HTT_INVALID_PEER,
WDI_NO_VAL, pdev->pdev_id);
} else {
if (pdev->mgmtctrl_frm_info.last_nbuf)
qdf_nbuf_free(pdev->mgmtctrl_frm_info.last_nbuf);
/* pull ppdu_id from the packet */
qdf_nbuf_pull_head(nbuf, sizeof(uint32_t));
pdev->mgmtctrl_frm_info.last_nbuf = nbuf;
}
}
/**
* dp_tx_ppdu_stats_attach - Initialize Tx PPDU stats and enhanced capture
* @pdev: DP PDEV
*
* Return: none
*/
void dp_tx_ppdu_stats_attach(struct dp_pdev *pdev)
{
/* Work queue setup for HTT stats and tx capture handling */
qdf_create_work(0, &pdev->tx_capture.ppdu_stats_work,
dp_tx_ppdu_stats_process,
pdev);
pdev->tx_capture.ppdu_stats_workqueue =
qdf_alloc_unbound_workqueue("ppdu_stats_work_queue");
STAILQ_INIT(&pdev->tx_capture.ppdu_stats_queue);
STAILQ_INIT(&pdev->tx_capture.ppdu_stats_defer_queue);
qdf_spinlock_create(&pdev->tx_capture.ppdu_stats_lock);
pdev->tx_capture.ppdu_stats_queue_depth = 0;
pdev->tx_capture.ppdu_stats_next_sched = 0;
}
/**
* dp_tx_ppdu_stats_detach - Cleanup Tx PPDU stats and enhanced capture
* @pdev: DP PDEV
*
* Return: none
*/
void dp_tx_ppdu_stats_detach(struct dp_pdev *pdev)
{
struct ppdu_info *ppdu_info, *tmp_ppdu_info = NULL;
if (!pdev || !pdev->tx_capture.ppdu_stats_workqueue)
return;
qdf_flush_workqueue(0, pdev->tx_capture.ppdu_stats_workqueue);
qdf_destroy_workqueue(0, pdev->tx_capture.ppdu_stats_workqueue);
qdf_spinlock_destroy(&pdev->tx_capture.ppdu_stats_lock);
STAILQ_FOREACH_SAFE(ppdu_info,
&pdev->tx_capture.ppdu_stats_queue,
ppdu_info_queue_elem, tmp_ppdu_info) {
STAILQ_REMOVE(&pdev->tx_capture.ppdu_stats_queue,
ppdu_info, ppdu_info, ppdu_info_queue_elem);
qdf_nbuf_free(ppdu_info->nbuf);
qdf_mem_free(ppdu_info);
}
}
/**
* dp_update_msdu_to_list(): Function to queue msdu from wbm
* @pdev: dp_pdev
* @peer: dp_peer
* @ts: hal tx completion status
* @netbuf: msdu
*
* return: status
*/
QDF_STATUS
dp_update_msdu_to_list(struct dp_soc *soc,
struct dp_pdev *pdev,
struct dp_peer *peer,
struct hal_tx_completion_status *ts,
qdf_nbuf_t netbuf)
{
struct dp_tx_tid *tx_tid;
struct msdu_completion_info *msdu_comp_info;
if (!peer) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: %d peer NULL !", __func__, __LINE__);
return QDF_STATUS_E_FAILURE;
}
if (ts->tid > DP_NON_QOS_TID) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: %d peer_id %d, tid %d > NON_QOS_TID!",
__func__, __LINE__, ts->peer_id, ts->tid);
return QDF_STATUS_E_FAILURE;
}
tx_tid = &peer->tx_capture.tx_tid[ts->tid];
if (!tx_tid) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: %d tid[%d] NULL !", __func__, __LINE__, ts->tid);
return QDF_STATUS_E_FAILURE;
}
qdf_nbuf_unmap(soc->osdev, netbuf, QDF_DMA_TO_DEVICE);
if (!qdf_nbuf_push_head(netbuf, sizeof(struct msdu_completion_info))) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
FL("No headroom"));
return QDF_STATUS_E_NOMEM;
}
msdu_comp_info = (struct msdu_completion_info *)qdf_nbuf_data(netbuf);
/* copy msdu_completion_info to control buffer */
msdu_comp_info->ppdu_id = ts->ppdu_id;
msdu_comp_info->peer_id = ts->peer_id;
msdu_comp_info->tid = ts->tid;
msdu_comp_info->first_msdu = ts->first_msdu;
msdu_comp_info->last_msdu = ts->last_msdu;
msdu_comp_info->msdu_part_of_amsdu = ts->msdu_part_of_amsdu;
msdu_comp_info->transmit_cnt = ts->transmit_cnt;
msdu_comp_info->tsf = ts->tsf;
/* update max ppdu_id */
tx_tid->max_ppdu_id = ts->ppdu_id;
pdev->tx_capture.last_msdu_id = ts->ppdu_id;
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_INFO,
"msdu_completion: ppdu_id[%d] peer_id[%d] tid[%d] rel_src[%d] status[%d] tsf[%u] A[%d] CNT[%d]",
ts->ppdu_id, ts->peer_id, ts->tid, ts->release_src,
ts->status, ts->tsf, ts->msdu_part_of_amsdu,
ts->transmit_cnt);
/* lock here */
qdf_spin_lock(&tx_tid->tid_lock);
/* add nbuf to tail queue per peer tid */
qdf_nbuf_queue_add(&tx_tid->msdu_comp_q, netbuf);
qdf_spin_unlock(&tx_tid->tid_lock);
return QDF_STATUS_SUCCESS;
}
/**
* dp_tx_add_to_comp_queue() - add completion msdu to queue
* @soc: DP Soc handle
* @tx_desc: software Tx descriptor
* @ts : Tx completion status from HAL/HTT descriptor
* @peer: DP peer
*
* Return: none
*/
QDF_STATUS dp_tx_add_to_comp_queue(struct dp_soc *soc,
struct dp_tx_desc_s *desc,
struct hal_tx_completion_status *ts,
struct dp_peer *peer)
{
int ret = QDF_STATUS_E_FAILURE;
if (desc->pdev->tx_capture_enabled == 1 &&
(ts->status == HAL_TX_TQM_RR_REM_CMD_TX ||
ts->status == HAL_TX_TQM_RR_FRAME_ACKED)) {
ret = dp_update_msdu_to_list(soc, desc->pdev,
peer, ts, desc->nbuf);
}
return ret;
}
/**
* dp_process_ppdu_stats_update_failed_bitmap(): update failed bitmap
* @pdev: dp_pdev
* @data: tx completion ppdu desc
* @ppdu_id: ppdu id
* @size: size of bitmap
*
* return: status
*/
void dp_process_ppdu_stats_update_failed_bitmap(struct dp_pdev *pdev,
void *data,
uint32_t ppdu_id,
uint32_t size)
{
struct cdp_tx_completion_ppdu_user *user;
uint32_t mpdu_tried;
uint32_t ba_seq_no;
uint32_t start_seq;
uint32_t num_mpdu;
uint32_t diff;
uint32_t carry = 0;
uint32_t bitmask = 0;
uint32_t i;
uint32_t k;
uint32_t ba_bitmap = 0;
user = (struct cdp_tx_completion_ppdu_user *)data;
/* get number of mpdu from ppdu_desc */
mpdu_tried = user->mpdu_tried_mcast + user->mpdu_tried_ucast;
ba_seq_no = user->ba_seq_no;
start_seq = user->start_seq;
num_mpdu = user->num_mpdu;
/* assumption: number of mpdu will be less than 32 */
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_INFO,
"ppdu_id[%d] ba_seq_no[%d] start_seq_no[%d] mpdu_tried[%d]",
ppdu_id, ba_seq_no, start_seq, mpdu_tried);
for (i = 0; i < size; i++) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_INFO,
"ppdu_id[%d] ba_bitmap[%x] enqueue_bitmap[%x]",
ppdu_id, user->ba_bitmap[i], user->enq_bitmap[i]);
}
if (start_seq <= ba_seq_no) {
diff = ba_seq_no - start_seq;
bitmask = (1 << diff) - 1;
for (i = 0; i < size; i++) {
ba_bitmap = user->ba_bitmap[i];
user->failed_bitmap[i] = (ba_bitmap << diff);
user->failed_bitmap[i] |= (bitmask & carry);
carry = ((ba_bitmap & (bitmask << (32 - diff))) >>
(32 - diff));
user->failed_bitmap[i] = user->enq_bitmap[i] &
user->failed_bitmap[i];
}
} else {
diff = start_seq - ba_seq_no;
/* array index */
k = diff >> 5;
diff = diff & 0x1F;
bitmask = (1 << diff) - 1;
for (i = 0; i < size; i++, k++) {
ba_bitmap = user->ba_bitmap[k];
user->failed_bitmap[i] = ba_bitmap >> diff;
/* get next ba_bitmap */
ba_bitmap = user->ba_bitmap[k + 1];
carry = (ba_bitmap & bitmask);
user->failed_bitmap[i] |=
((carry & bitmask) << (32 - diff));
user->failed_bitmap[i] = user->enq_bitmap[i] &
user->failed_bitmap[i];
}
}
}
/*
* dp_soc_set_txrx_ring_map_single()
* @dp_soc: DP handler for soc
*
* Return: Void
*/
static void dp_soc_set_txrx_ring_map_single(struct dp_soc *soc)
{
uint32_t i;
for (i = 0; i < WLAN_CFG_INT_NUM_CONTEXTS; i++) {
soc->tx_ring_map[i] =
dp_cpu_ring_map[DP_SINGLE_TX_RING_MAP][i];
}
}
/*
* dp_iterate_free_peer_msdu_q()- API to free msdu queue
* @pdev_handle: DP_PDEV handle
*
* Return: void
*/
static void dp_iterate_free_peer_msdu_q(void *pdev_hdl)
{
struct dp_pdev *pdev = (struct dp_pdev *)pdev_hdl;
struct dp_soc *soc = pdev->soc;
struct dp_vdev *vdev = NULL;
struct dp_peer *peer = NULL;
qdf_spin_lock_bh(&soc->peer_ref_mutex);
qdf_spin_lock_bh(&pdev->vdev_list_lock);
DP_PDEV_ITERATE_VDEV_LIST(pdev, vdev) {
DP_VDEV_ITERATE_PEER_LIST(vdev, peer) {
int tid;
struct dp_tx_tid *tx_tid;
for (tid = 0; tid < DP_MAX_TIDS; tid++) {
tx_tid = &peer->tx_capture.tx_tid[tid];
/* spinlock hold */
qdf_spin_lock(&tx_tid->tid_lock);
qdf_nbuf_queue_free(&tx_tid->msdu_comp_q);
qdf_spin_unlock(&tx_tid->tid_lock);
}
}
}
qdf_spin_unlock_bh(&pdev->vdev_list_lock);
qdf_spin_unlock_bh(&soc->peer_ref_mutex);
}
/*
* dp_config_enh_tx_capture()- API to enable/disable enhanced tx capture
* @pdev_handle: DP_PDEV handle
* @val: user provided value
*
* Return: QDF_STATUS
*/
QDF_STATUS
dp_config_enh_tx_capture(struct cdp_pdev *pdev_handle, int val)
{
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
pdev->tx_capture_enabled = val;
if (pdev->tx_capture_enabled) {
dp_soc_set_txrx_ring_map_single(pdev->soc);
if (!pdev->pktlog_ppdu_stats)
dp_h2t_cfg_stats_msg_send(pdev,
DP_PPDU_STATS_CFG_SNIFFER,
pdev->pdev_id);
} else {
dp_soc_set_txrx_ring_map(pdev->soc);
dp_h2t_cfg_stats_msg_send(pdev,
DP_PPDU_STATS_CFG_ENH_STATS,
pdev->pdev_id);
dp_iterate_free_peer_msdu_q(pdev);
}
return QDF_STATUS_SUCCESS;
}
/**
* get_number_of_1s(): Function to get number of 1s
* @value: value to find
*
* return: number of 1s
*/
static
inline uint32_t get_number_of_1s(uint32_t value)
{
uint32_t shift[] = {1, 2, 4, 8, 16};
uint32_t magic_number[] = { 0x55555555, 0x33333333, 0x0F0F0F0F,
0x00FF00FF, 0x0000FFFF};
uint8_t k = 0;
for (; k <= 4; k++) {
value = (value & magic_number[k]) +
((value >> shift[k]) & magic_number[k]);
}
return value;
}
/**
* dp_tx_print_bitmap(): Function to print bitmap
* @pdev: dp_pdev
* @ppdu_desc: ppdu completion descriptor
* @user_inder: user index
* @ppdu_id: ppdu id
*
* return: status
*/
static
QDF_STATUS dp_tx_print_bitmap(struct dp_pdev *pdev,
struct cdp_tx_completion_ppdu *ppdu_desc,
uint32_t user_index,
uint32_t ppdu_id)
{
struct cdp_tx_completion_ppdu_user *user;
uint8_t i;
uint32_t mpdu_tried;
uint32_t ba_seq_no;
uint32_t start_seq;
uint32_t num_mpdu;
uint32_t fail_num_mpdu = 0;
user = &ppdu_desc->user[user_index];
/* get number of mpdu from ppdu_desc */
mpdu_tried = user->mpdu_tried_mcast + user->mpdu_tried_ucast;
ba_seq_no = user->ba_seq_no;
start_seq = user->start_seq;
num_mpdu = user->mpdu_success;
if (user->tid > DP_NON_QOS_TID) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: ppdu[%d] peer_id[%d] TID[%d] > NON_QOS_TID!",
__func__, ppdu_id, user->peer_id, user->tid);
return QDF_STATUS_E_FAILURE;
}
if (mpdu_tried != num_mpdu) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_INFO,
"%s: ppdu[%d] peer[%d] tid[%d] ba[%d] start[%d] mpdu_tri[%d] num_mpdu[%d] is_mcast[%d]",
__func__, ppdu_id, user->peer_id, user->tid,
ba_seq_no, start_seq, mpdu_tried,
num_mpdu, user->is_mcast);
for (i = 0; i < CDP_BA_256_BIT_MAP_SIZE_DWORDS; i++) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_ERROR,
"ppdu_id[%d] ba_bitmap[0x%x] enqueue_bitmap[0x%x] failed_bitmap[0x%x]",
ppdu_id, user->ba_bitmap[i],
user->enq_bitmap[i],
user->failed_bitmap[i]);
fail_num_mpdu +=
get_number_of_1s(user->failed_bitmap[i]);
}
}
if (fail_num_mpdu == num_mpdu && num_mpdu)
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: %d ppdu_id[%d] num_mpdu[%d, %d]",
__func__, __LINE__, ppdu_id, num_mpdu, fail_num_mpdu);
return QDF_STATUS_SUCCESS;
}
static uint32_t dp_tx_update_80211_hdr(struct dp_pdev *pdev,
struct dp_peer *peer,
void *data,
qdf_nbuf_t nbuf)
{
struct cdp_tx_completion_ppdu *ppdu_desc;
struct ieee80211_frame *ptr_wh;
struct ieee80211_qoscntl *ptr_qoscntl;
uint32_t mpdu_buf_len;
uint8_t *ptr_hdr;
ppdu_desc = (struct cdp_tx_completion_ppdu *)data;
ptr_wh = &peer->tx_capture.tx_wifi_hdr;
ptr_qoscntl = &peer->tx_capture.tx_qoscntl;
/*
* update framectrl only for first ppdu_id
* rest of mpdu will have same frame ctrl
* mac address and duration
*/
if (ppdu_desc->ppdu_id != peer->tx_capture.tx_wifi_ppdu_id) {
ptr_wh->i_fc[1] = (ppdu_desc->frame_ctrl & 0xFF00) >> 8;
ptr_wh->i_fc[0] = (ppdu_desc->frame_ctrl & 0xFF);
ptr_wh->i_dur[1] = (ppdu_desc->tx_duration & 0xFF00) >> 8;
ptr_wh->i_dur[0] = (ppdu_desc->tx_duration & 0xFF);
ptr_qoscntl->i_qos[1] = (ppdu_desc->user[0].qos_ctrl &
0xFF00) >> 8;
ptr_qoscntl->i_qos[0] = (ppdu_desc->user[0].qos_ctrl & 0xFF);
peer->tx_capture.tx_wifi_ppdu_id = ppdu_desc->ppdu_id;
}
mpdu_buf_len = sizeof(struct ieee80211_frame) + LLC_SNAP_HDR_LEN;
mpdu_buf_len += sizeof(struct ieee80211_qoscntl);
nbuf->protocol = qdf_htons(ETH_P_802_2);
/* update ieee80211_frame header */
if (!qdf_nbuf_push_head(nbuf, mpdu_buf_len)) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
FL("No headroom"));
return QDF_STATUS_E_NOMEM;
}
ptr_hdr = (void *)qdf_nbuf_data(nbuf);
qdf_mem_copy(ptr_hdr, ptr_wh, sizeof(struct ieee80211_frame));
ptr_hdr = ptr_hdr + (sizeof(struct ieee80211_frame));
/* update qoscntl header */
qdf_mem_copy(ptr_hdr, ptr_qoscntl, sizeof(struct ieee80211_qoscntl));
ptr_hdr = ptr_hdr + sizeof(struct ieee80211_qoscntl);
/* update LLC */
*ptr_hdr = LLC_SNAP_LSAP;
*(ptr_hdr + 1) = LLC_SNAP_LSAP;
*(ptr_hdr + 2) = LLC_UI;
*(ptr_hdr + 3) = 0x00;
*(ptr_hdr + 4) = 0x00;
*(ptr_hdr + 5) = 0x00;
/* TYPE: IPV4 ?? */
*(ptr_hdr + 6) = (ETHERTYPE_IPV4 & 0xFF00) >> 8;
*(ptr_hdr + 7) = (ETHERTYPE_IPV4 & 0xFF);
qdf_nbuf_trim_tail(nbuf, qdf_nbuf_len(nbuf) - mpdu_buf_len);
return 0;
}
#define MAX_MONITOR_HEADER (512)
/**
* dp_tx_mon_restitch_mpdu_from_msdus(): Function to restitch msdu to mpdu
* @pdev: dp_pdev
* @peer: dp_peer
* @head_msdu: head msdu queue
*
* return: status
*/
static uint32_t
dp_tx_mon_restitch_mpdu_from_msdus(struct dp_pdev *pdev,
struct dp_peer *peer,
struct cdp_tx_completion_ppdu *ppdu_desc,
qdf_nbuf_queue_t *head_msdu)
{
qdf_nbuf_t curr_nbuf = NULL;
qdf_nbuf_t first_nbuf = NULL;
qdf_nbuf_t prev_nbuf = NULL;
qdf_nbuf_t mpdu_nbuf = NULL;
qdf_nbuf_queue_t *mpdu = NULL;
uint32_t num_mpdu = 0;
struct msdu_completion_info *ptr_msdu_info = NULL;
uint8_t first_msdu = 0;
uint8_t last_msdu = 0;
uint32_t frag_list_sum_len = 0;
uint8_t first_msdu_not_seen = 1;
num_mpdu = ppdu_desc->num_mpdu;
mpdu = &ppdu_desc->mpdu_q;
curr_nbuf = qdf_nbuf_queue_remove(head_msdu);
while (curr_nbuf) {
ptr_msdu_info =
(struct msdu_completion_info *)qdf_nbuf_data(curr_nbuf);
first_msdu = ptr_msdu_info->first_msdu;
last_msdu = ptr_msdu_info->last_msdu;
/* pull msdu_completion_info added in pre header */
/* pull ethernet header from header */
qdf_nbuf_pull_head(curr_nbuf,
sizeof(struct msdu_completion_info) +
sizeof(qdf_ether_header_t));
if (first_msdu && first_msdu_not_seen) {
first_nbuf = curr_nbuf;
frag_list_sum_len = 0;
first_msdu_not_seen = 0;
mpdu_nbuf = qdf_nbuf_alloc(pdev->soc->osdev,
MAX_MONITOR_HEADER,
MAX_MONITOR_HEADER,
4, FALSE);
if (!mpdu_nbuf)
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_FATAL,
"MPDU head allocation failed !!!");
dp_tx_update_80211_hdr(pdev, peer,
ppdu_desc, mpdu_nbuf);
/* update first buffer to previous buffer */
prev_nbuf = curr_nbuf;
} else if (first_msdu && !first_msdu_not_seen) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_FATAL,
"!!!!! NO LAST MSDU\n");
/*
* no last msdu in a mpdu
* handle this case
*/
qdf_nbuf_free(curr_nbuf);
/* assert here if no last msdu found */
QDF_BUG(0);
} else if (!first_msdu && first_msdu_not_seen) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_FATAL,
"!!!!! NO FIRST MSDU\n");
/*
* no first msdu in a mpdu
* handle this case
*/
qdf_nbuf_free(curr_nbuf);
/* assert here if no first msdu found */
QDF_BUG(0);
} else {
/* update current buffer to previous buffer next */
prev_nbuf->next = curr_nbuf;
/* move the previous buffer to next buffer */
prev_nbuf = prev_nbuf->next;
}
frag_list_sum_len += qdf_nbuf_len(curr_nbuf);
if (last_msdu) {
/*
* first nbuf will hold list of msdu
* stored in prev_nbuf
*/
qdf_nbuf_append_ext_list(mpdu_nbuf,
first_nbuf,
frag_list_sum_len);
/* add mpdu to mpdu queue */
qdf_nbuf_queue_add(mpdu, mpdu_nbuf);
first_nbuf = NULL;
/* next msdu will start with first msdu */
first_msdu_not_seen = 1;
goto check_for_next_msdu;
}
/* get next msdu from the head_msdu */
curr_nbuf = qdf_nbuf_queue_remove(head_msdu);
if (!curr_nbuf) {
/* msdu missed in list */
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_FATAL,
"!!!! WAITING for msdu but list empty !!!!");
}
continue;
check_for_next_msdu:
if (qdf_nbuf_is_queue_empty(head_msdu))
return 0;
curr_nbuf = qdf_nbuf_queue_remove(head_msdu);
}
return 0;
}
/**
* dp_tx_msdu_dequeue(): Function to dequeue msdu from peer based tid
* @peer: dp_peer
* @ppdu_id: ppdu_id
* @tid: tid
* @num_msdu: number of msdu
* @head: head queue
* @start_tsf: start tsf from ppdu_desc
* @end_tsf: end tsf from ppdu_desc
*
* return: status
*/
static
uint32_t dp_tx_msdu_dequeue(struct dp_peer *peer, uint32_t ppdu_id,
uint16_t tid, uint32_t num_msdu,
qdf_nbuf_queue_t *head,
uint32_t start_tsf, uint32_t end_tsf)
{
struct dp_tx_tid *tx_tid = NULL;
uint32_t msdu_ppdu_id;
qdf_nbuf_t curr_msdu = NULL;
qdf_nbuf_t prev_msdu = NULL;
qdf_nbuf_t nbuf = NULL;
struct msdu_completion_info *ptr_msdu_info = NULL;
uint32_t wbm_tsf;
uint32_t matched = 0;
if (qdf_unlikely(!peer))
return 0;
tx_tid = &peer->tx_capture.tx_tid[tid];
if (qdf_unlikely(!tx_tid))
return 0;
if (qdf_nbuf_is_queue_empty(&tx_tid->msdu_comp_q))
return 0;
curr_msdu = qdf_nbuf_queue_first(&tx_tid->msdu_comp_q);
while (curr_msdu) {
if (qdf_nbuf_queue_len(head) == num_msdu)
break;
ptr_msdu_info =
(struct msdu_completion_info *)qdf_nbuf_data(curr_msdu);
msdu_ppdu_id = ptr_msdu_info->ppdu_id;
wbm_tsf = ptr_msdu_info->tsf;
if (msdu_ppdu_id == ppdu_id) {
matched = 1;
if (wbm_tsf > start_tsf && wbm_tsf < end_tsf) {
/*packet found */
} else if (wbm_tsf < start_tsf) {
/* lock here */
qdf_spin_lock(&tx_tid->tid_lock);
/* remove the aged packet */
nbuf = qdf_nbuf_queue_remove(
&tx_tid->msdu_comp_q);
qdf_spin_unlock(&tx_tid->tid_lock);
qdf_nbuf_free(nbuf);
curr_msdu = qdf_nbuf_queue_first(
&tx_tid->msdu_comp_q);
prev_msdu = NULL;
continue;
} else if (wbm_tsf > end_tsf) {
/*
* Do we need delta in above case.
* for searching ppdu out of ppdu tsf
*/
break;
}
if (qdf_likely(!prev_msdu)) {
/* lock here */
qdf_spin_lock(&tx_tid->tid_lock);
/* remove head */
curr_msdu = qdf_nbuf_queue_remove(
&tx_tid->msdu_comp_q);
qdf_spin_unlock(&tx_tid->tid_lock);
/* add msdu to head queue */
qdf_nbuf_queue_add(head, curr_msdu);
/* get next msdu from msdu_comp_q */
curr_msdu = qdf_nbuf_queue_first(
&tx_tid->msdu_comp_q);
continue;
} else {
/* lock here */
qdf_spin_lock(&tx_tid->tid_lock);
/* update prev_msdu next to current msdu next */
prev_msdu->next = curr_msdu->next;
/* set current msdu next as NULL */
curr_msdu->next = NULL;
/* decrement length */
((qdf_nbuf_queue_t *)(
&tx_tid->msdu_comp_q))->qlen--;
qdf_spin_unlock(&tx_tid->tid_lock);
/* add msdu to head queue */
qdf_nbuf_queue_add(head, curr_msdu);
/* set previous msdu to current msdu */
curr_msdu = prev_msdu->next;
continue;
}
}
prev_msdu = curr_msdu;
curr_msdu = prev_msdu->next;
}
if (qdf_nbuf_queue_len(head) != num_msdu)
matched = 0;
return matched;
}
/**
* get_mpdu_clone_from_next_ppdu(): Function to clone missing mpdu from
* next ppdu
* @nbuf_ppdu_desc_list: nbuf list
* @ppdu_desc_cnt: ppdu_desc_cnt
* @missed_seq_no:
* @ppdu_id: ppdu_id
* @mpdu_info: cdp_tx_indication_mpdu_info
*
* return: void
*/
static
qdf_nbuf_t get_mpdu_clone_from_next_ppdu(qdf_nbuf_t nbuf_ppdu_desc_list[],
uint32_t ppdu_desc_cnt,
uint32_t missed_seq_no,
uint32_t ppdu_id)
{
uint32_t i = 0;
uint32_t k = 0;
uint32_t mpdu_tried = 0;
uint32_t found = 0;
uint32_t seq_no = 0;
struct cdp_tx_completion_ppdu *ppdu_desc = NULL;
qdf_nbuf_t mpdu = NULL;
for (i = 1; i < ppdu_desc_cnt; i++) {
ppdu_desc = (struct cdp_tx_completion_ppdu *)
qdf_nbuf_data(nbuf_ppdu_desc_list[i]);
mpdu_tried = ppdu_desc->user[0].mpdu_tried_ucast +
ppdu_desc->user[0].mpdu_tried_mcast;
/* check if seq number is between the range */
if ((missed_seq_no >= ppdu_desc->user[0].start_seq) &&
(missed_seq_no <= ppdu_desc->user[0].start_seq +
mpdu_tried)) {
seq_no = ppdu_desc->user[0].start_seq;
if (ppdu_desc->user[0].failed_bitmap[k] &
(1 << (missed_seq_no - seq_no))) {
found = 1;
break;
}
}
}
if (found == 0) {
/* mpdu not found in sched cmd id */
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: missed seq_no[%d] ppdu_id[%d] [%d] not found!!!",
__func__, missed_seq_no, ppdu_id, ppdu_desc_cnt);
return NULL;
}
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: seq_no[%d] missed ppdu_id[%d] m[%d] found in ppdu_id[%d]!!",
__func__,
missed_seq_no, ppdu_id,
(missed_seq_no - seq_no), ppdu_desc->ppdu_id);
mpdu = qdf_nbuf_queue_first(&ppdu_desc->mpdu_q);
if (!mpdu) {
/* bitmap shows it found sequence number, but queue empty */
/* do we need to allocate skb and send instead of NULL ? */
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE, QDF_TRACE_LEVEL_ERROR,
"%s: missed seq_no[%d] ppdu_id[%d] [%d] found but queue empty!!!",
__func__, missed_seq_no, ppdu_id, ppdu_desc_cnt);
return NULL;
}
for (i = 0; i < (missed_seq_no - seq_no); i++) {
mpdu = mpdu->next;
if (!mpdu) {
/*
* bitmap shows it found sequence number,
* but queue empty, do we need to allocate
* skb and send instead of NULL ?
* add counter here:
*/
return NULL;
}
}
return qdf_nbuf_expand(mpdu, 0, 0);
}
/**
* dp_tx_update_user_mpdu_info(): Function to update mpdu info
* from ppdu_desc
* @ppdu_id: ppdu_id
* @mpdu_info: cdp_tx_indication_mpdu_info
* @user: cdp_tx_completion_ppdu_user
*
* return: void
*/
static void
dp_tx_update_user_mpdu_info(uint32_t ppdu_id,
struct cdp_tx_indication_mpdu_info *mpdu_info,
struct cdp_tx_completion_ppdu_user *user)
{
mpdu_info->ppdu_id = ppdu_id;
mpdu_info->frame_ctrl = user->frame_ctrl;
mpdu_info->qos_ctrl = user->qos_ctrl;
mpdu_info->tid = user->tid;
mpdu_info->ltf_size = user->ltf_size;
mpdu_info->he_re = user->he_re;
mpdu_info->txbf = user->txbf;
mpdu_info->bw = user->bw;
mpdu_info->nss = user->nss;
mpdu_info->mcs = user->mcs;
mpdu_info->preamble = user->preamble;
mpdu_info->gi = user->gi;
mpdu_info->ack_rssi = user->ack_rssi[0];
mpdu_info->tx_rate = user->tx_rate;
mpdu_info->ldpc = user->ldpc;
qdf_mem_copy(mpdu_info->mac_address, user->mac_addr, 6);
mpdu_info->ba_start_seq = user->ba_seq_no;
qdf_mem_copy(mpdu_info->ba_bitmap, user->ba_bitmap,
CDP_BA_256_BIT_MAP_SIZE_DWORDS * sizeof(uint32_t));
}
static inline
void dp_tx_update_sequence_number(qdf_nbuf_t nbuf, uint32_t seq_no)
{
struct ieee80211_frame *ptr_wh = NULL;
uint16_t wh_seq = 0;
if (!nbuf)
return;
/* update sequence number in frame header */
ptr_wh = (struct ieee80211_frame *)qdf_nbuf_data(nbuf);
wh_seq = (seq_no & 0xFFF) << 4;
qdf_mem_copy(ptr_wh->i_seq, &wh_seq, sizeof(uint16_t));
}
/**
* dp_send_mpdu_info_to_stack(): Function to deliver mpdu info to stack
* to upper layer
* @pdev: DP pdev handle
* @nbuf_ppdu_desc_list: ppdu_desc_list per sched cmd id
* @ppdu_desc_cnt: number of ppdu_desc_cnt
*
* return: status
*/
static
QDF_STATUS dp_send_mpdu_info_to_stack(struct dp_pdev *pdev,
qdf_nbuf_t nbuf_ppdu_desc_list[],
uint32_t ppdu_desc_cnt)
{
uint32_t ppdu_id;
uint32_t desc_cnt;
for (desc_cnt = 0; desc_cnt < ppdu_desc_cnt; desc_cnt++) {
struct cdp_tx_completion_ppdu *ppdu_desc;
uint32_t mpdu_tried;
uint32_t num_mpdu;
uint32_t k;
uint32_t i;
uint32_t seq_no;
uint32_t len;
qdf_nbuf_t mpdu_nbuf;
ppdu_desc = (struct cdp_tx_completion_ppdu *)
qdf_nbuf_data(nbuf_ppdu_desc_list[desc_cnt]);
if (!ppdu_desc)
continue;
ppdu_id = ppdu_desc->ppdu_id;
if (ppdu_desc->frame_type == CDP_PPDU_FTYPE_CTRL) {
struct cdp_tx_indication_info tx_capture_info;
struct cdp_tx_indication_mpdu_info *mpdu_info;
mpdu_info = &tx_capture_info.mpdu_info;
mpdu_info->channel = ppdu_desc->channel;
mpdu_info->frame_type = ppdu_desc->frame_type;
mpdu_info->ppdu_start_timestamp =
ppdu_desc->ppdu_start_timestamp;
mpdu_info->ppdu_end_timestamp =
ppdu_desc->ppdu_end_timestamp;
mpdu_info->tx_duration = ppdu_desc->tx_duration;
mpdu_info->seq_no = seq_no;
mpdu_info->num_msdu = ppdu_desc->num_msdu;
/* update cdp_tx_indication_mpdu_info */
dp_tx_update_user_mpdu_info(ppdu_desc->ppdu_id,
&tx_capture_info.mpdu_info,
&ppdu_desc->user[0]);
tx_capture_info.mpdu_info.channel_num =
pdev->operating_channel;
if (qdf_nbuf_is_queue_empty(&ppdu_desc->mpdu_q))
continue;
tx_capture_info.mpdu_nbuf =
qdf_nbuf_queue_remove(&ppdu_desc->mpdu_q);
/*
* send MPDU to osif layer
* do we need to update mpdu_info before tranmit
* get current mpdu_nbuf
*/
dp_wdi_event_handler(WDI_EVENT_TX_DATA, pdev->soc,
&tx_capture_info, HTT_INVALID_PEER,
WDI_NO_VAL, pdev->pdev_id);
continue;
}
ppdu_id = ppdu_desc->ppdu_id;
/* find mpdu tried is same as success mpdu */
mpdu_tried = ppdu_desc->user[0].mpdu_tried_ucast +
ppdu_desc->user[0].mpdu_tried_mcast;
num_mpdu = ppdu_desc->user[0].mpdu_success;
/* get length */
len = qdf_nbuf_queue_len(&ppdu_desc->mpdu_q);
/* find list of missing sequence */
for (i = 0, k = 0; i < mpdu_tried; i++) {
struct cdp_tx_indication_info tx_capture_info;
struct cdp_tx_indication_mpdu_info *mpdu_info;
mpdu_info = &tx_capture_info.mpdu_info;
/* missed seq number */
seq_no = ppdu_desc->user[0].start_seq + i;
if (!(ppdu_desc->user[0].failed_bitmap[k] & 1 << i)) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_ERROR,
"%s: finding missing seq no: %d in other ppdu list cnt[%d]",
__func__, seq_no, ppdu_desc_cnt);
/* send rest of ppdu_desc list */
mpdu_nbuf = get_mpdu_clone_from_next_ppdu(
nbuf_ppdu_desc_list + desc_cnt,
ppdu_desc_cnt - desc_cnt,
seq_no,
ppdu_desc->ppdu_id);
/* check mpdu_nbuf NULL */
if (!mpdu_nbuf)
continue;
qdf_nbuf_queue_add(&ppdu_desc->mpdu_q,
mpdu_nbuf);
} else {
/* any error case we need to handle */
}
/* k need to be increase, if i increased more than 32 */
mpdu_info->channel = ppdu_desc->channel;
mpdu_info->frame_type = ppdu_desc->frame_type;
mpdu_info->ppdu_start_timestamp =
ppdu_desc->ppdu_start_timestamp;
mpdu_info->ppdu_end_timestamp =
ppdu_desc->ppdu_end_timestamp;
mpdu_info->tx_duration = ppdu_desc->tx_duration;
mpdu_info->seq_no = seq_no;
mpdu_info->num_msdu = ppdu_desc->num_msdu;
/* update cdp_tx_indication_mpdu_info */
dp_tx_update_user_mpdu_info(ppdu_id,
&tx_capture_info.mpdu_info,
&ppdu_desc->user[0]);
tx_capture_info.mpdu_info.channel_num =
pdev->operating_channel;
tx_capture_info.mpdu_nbuf =
qdf_nbuf_queue_remove(&ppdu_desc->mpdu_q);
dp_tx_update_sequence_number(tx_capture_info.mpdu_nbuf,
seq_no);
/*
* send MPDU to osif layer
* do we need to update mpdu_info before tranmit
* get current mpdu_nbuf
*/
dp_wdi_event_handler(WDI_EVENT_TX_DATA, pdev->soc,
&tx_capture_info,
HTT_INVALID_PEER,
WDI_NO_VAL, pdev->pdev_id);
}
qdf_nbuf_queue_free(&ppdu_desc->mpdu_q);
qdf_nbuf_free(nbuf_ppdu_desc_list[desc_cnt]);
}
return QDF_STATUS_SUCCESS;
}
#define SCHED_MAX_PPDU_CNT 10
/**
* dp_tx_ppdu_stats_process - Deferred PPDU stats handler
* @context: Opaque work context (PDEV)
*
* Return: none
*/
void dp_tx_ppdu_stats_process(void *context)
{
uint32_t curr_sched_cmdid;
uint32_t last_ppdu_id;
uint32_t ppdu_cnt;
uint32_t ppdu_desc_cnt = 0;
uint32_t j;
struct dp_pdev *pdev = (struct dp_pdev *)context;
struct ppdu_info *ppdu_info, *tmp_ppdu_info;
uint32_t now_ms = qdf_system_ticks_to_msecs(qdf_system_ticks());
struct ppdu_info *sched_ppdu_list[SCHED_MAX_PPDU_CNT];
qdf_nbuf_t nbuf_ppdu_desc_list[SCHED_MAX_PPDU_CNT];
struct dp_pdev_tx_capture *ptr_tx_cap;
ptr_tx_cap = &pdev->tx_capture;
/* Move the PPDU entries to defer list */
qdf_spin_lock_bh(&ptr_tx_cap->ppdu_stats_lock);
STAILQ_CONCAT(&ptr_tx_cap->ppdu_stats_defer_queue,
&ptr_tx_cap->ppdu_stats_queue);
ptr_tx_cap->ppdu_stats_queue_depth = 0;
qdf_spin_unlock_bh(&ptr_tx_cap->ppdu_stats_lock);
while (!STAILQ_EMPTY(&ptr_tx_cap->ppdu_stats_defer_queue)) {
ppdu_info =
STAILQ_FIRST(&ptr_tx_cap->ppdu_stats_defer_queue);
curr_sched_cmdid = ppdu_info->sched_cmdid;
ppdu_cnt = 0;
STAILQ_FOREACH_SAFE(ppdu_info,
&ptr_tx_cap->ppdu_stats_defer_queue,
ppdu_info_queue_elem, tmp_ppdu_info) {
if (curr_sched_cmdid != ppdu_info->sched_cmdid)
break;
sched_ppdu_list[ppdu_cnt++] = ppdu_info;
qdf_assert_always(ppdu_cnt <= SCHED_MAX_PPDU_CNT);
}
if (ppdu_info && (curr_sched_cmdid == ppdu_info->sched_cmdid) &&
ptr_tx_cap->ppdu_stats_next_sched < now_ms)
break;
last_ppdu_id = sched_ppdu_list[ppdu_cnt - 1]->ppdu_id;
STAILQ_REMOVE_HEAD_UNTIL(&ptr_tx_cap->ppdu_stats_defer_queue,
sched_ppdu_list[ppdu_cnt - 1],
ppdu_info_queue_elem);
ppdu_desc_cnt = 0;
/* Process tx buffer list based on last_ppdu_id stored above */
for (j = 0; j < ppdu_cnt; j++) {
struct cdp_tx_completion_ppdu *ppdu_desc = NULL;
struct dp_peer *peer = NULL;
qdf_nbuf_t nbuf;
uint32_t retries = 0;
uint32_t ret = 0;
qdf_nbuf_queue_t head_msdu;
uint32_t start_tsf = 0;
uint32_t end_tsf = 0;
uint16_t tid = 0;
uint32_t num_msdu = 0;
uint32_t qlen = 0;
qdf_nbuf_queue_init(&head_msdu);
ppdu_info = sched_ppdu_list[j];
ppdu_desc = (struct cdp_tx_completion_ppdu *)
qdf_nbuf_data(ppdu_info->nbuf);
pdev->tx_ppdu_proc++;
dp_ppdu_desc_user_stats_update(pdev, ppdu_info);
/*
* While processing/corelating Tx buffers, we should
* hold the entire PPDU list for the give sched_cmdid
* instead of freeing below.
*/
nbuf = ppdu_info->nbuf;
qdf_mem_free(ppdu_info);
qdf_assert_always(nbuf);
ppdu_desc = (struct cdp_tx_completion_ppdu *)
qdf_nbuf_data(nbuf);
/* send WDI event */
if (!pdev->tx_capture_enabled) {
/**
* Deliver PPDU stats only for valid (acked)
* data frames if sniffer mode is not enabled.
* If sniffer mode is enabled,
* PPDU stats for all frames including
* mgmt/control frames should be delivered
* to upper layer
*/
if (pdev->tx_sniffer_enable ||
pdev->mcopy_mode) {
dp_wdi_event_handler(
WDI_EVENT_TX_PPDU_DESC,
pdev->soc,
nbuf,
HTT_INVALID_PEER,
WDI_NO_VAL,
pdev->pdev_id);
} else {
if (ppdu_desc->num_mpdu != 0 &&
ppdu_desc->num_users != 0 &&
(ppdu_desc->frame_ctrl &
HTT_FRAMECTRL_DATATYPE)) {
dp_wdi_event_handler(
WDI_EVENT_TX_PPDU_DESC,
pdev->soc,
nbuf,
HTT_INVALID_PEER,
WDI_NO_VAL,
pdev->pdev_id);
} else {
qdf_nbuf_free(nbuf);
}
}
continue;
}
peer = dp_peer_find_by_id(pdev->soc,
ppdu_desc->user[0].peer_id);
/*
* check whether it is bss peer,
* if bss_peer no need to process further
*/
if (!peer->bss_peer &&
pdev->tx_capture_enabled &&
(ppdu_desc->frame_type == CDP_PPDU_FTYPE_DATA) &&
(!ppdu_desc->user[0].completion_status)) {
/* print the bit map */
dp_tx_print_bitmap(pdev, ppdu_desc,
0, ppdu_desc->ppdu_id);
if (ppdu_desc->user[0].tid > DP_NON_QOS_TID) {
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_ERROR,
"%s: ppdu[%d] peer_id[%d] TID[%d] > NON_QOS_TID!",
__func__,
ppdu_desc->ppdu_id,
ppdu_desc->user[0].peer_id,
ppdu_desc->user[0].tid);
dp_peer_unref_del_find_by_id(peer);
qdf_nbuf_free(nbuf);
continue;
}
dequeue_msdu_again:
tid = ppdu_desc->user[0].tid;
num_msdu = ppdu_desc->user[0].num_msdu;
start_tsf = ppdu_desc->ppdu_start_timestamp;
end_tsf = ppdu_desc->ppdu_end_timestamp;
/*
* retrieve msdu buffer based on ppdu_id & tid
* based msdu queue and store it in local queue
* sometimes, wbm comes late than per ppdu
* stats. Assumption: all packets are SU,
* and packets comes in order
*/
ret = dp_tx_msdu_dequeue(peer,
ppdu_desc->ppdu_id,
tid, num_msdu,
&head_msdu, start_tsf,
end_tsf);
if (!ret && (++retries < 3)) {
/* wait for wbm to complete */
qdf_sleep(100);
goto dequeue_msdu_again;
}
if (qdf_nbuf_is_queue_empty(&head_msdu)) {
dp_peer_unref_del_find_by_id(peer);
/*
* head msdu is NULL
* free nbuf as no processing required
*/
qdf_nbuf_free(nbuf);
continue;
}
/*
* now head_msdu hold - msdu list for that
* particular ppdu_id, restitch mpdu from
* msdu and create a mpdu queue
*/
dp_tx_mon_restitch_mpdu_from_msdus(pdev,
peer,
ppdu_desc,
&head_msdu);
/*
* sanity: free local head msdu queue
* do we need this ?
*/
qdf_nbuf_queue_free(&head_msdu);
nbuf_ppdu_desc_list[ppdu_desc_cnt++] = nbuf;
qlen = qdf_nbuf_queue_len(&ppdu_desc->mpdu_q);
/* print ppdu_desc info for debugging purpose */
QDF_TRACE(QDF_MODULE_ID_TX_CAPTURE,
QDF_TRACE_LEVEL_INFO,
"%s: ppdu[%d], p_id[%d], tid[%d], n_mpdu[%d %d] n_msdu[%d] retr[%d] qlen[%d] s_tsf[%u] dur[%u] seq[%d] [%d %d]",
__func__, ppdu_desc->ppdu_id,
ppdu_desc->user[0].peer_id,
ppdu_desc->user[0].tid,
ppdu_desc->num_mpdu,
ppdu_desc->user[0].mpdu_success,
ppdu_desc->num_msdu, retries,
qlen,
ppdu_desc->ppdu_start_timestamp,
ppdu_desc->tx_duration,
ppdu_desc->user[0].start_seq,
ppdu_cnt,
ppdu_desc_cnt);
nbuf->next =
qdf_nbuf_queue_first(&ppdu_desc->mpdu_q);
} else if (ppdu_desc->frame_type ==
CDP_PPDU_FTYPE_CTRL) {
nbuf->next =
qdf_nbuf_queue_first(&ppdu_desc->mpdu_q);
nbuf_ppdu_desc_list[ppdu_desc_cnt++] = nbuf;
} else {
qdf_nbuf_queue_free(&ppdu_desc->mpdu_q);
qdf_nbuf_free(nbuf);
}
dp_peer_unref_del_find_by_id(peer);
}
/*
* At this point we have mpdu queued per ppdu_desc
* based on packet capture flags send mpdu info to upper stack
*/
if (pdev->tx_capture_enabled)
dp_send_mpdu_info_to_stack(pdev,
nbuf_ppdu_desc_list,
ppdu_desc_cnt);
}
}
/**
* dp_ppdu_desc_deliver(): Function to deliver Tx PPDU status descriptor
* to upper layer
* @pdev: DP pdev handle
* @ppdu_info: per PPDU TLV descriptor
*
* return: void
*/
void dp_ppdu_desc_deliver(struct dp_pdev *pdev,
struct ppdu_info *ppdu_info)
{
uint32_t now_ms = qdf_system_ticks_to_msecs(qdf_system_ticks());
struct cdp_tx_completion_ppdu *ppdu_desc = NULL;
TAILQ_REMOVE(&pdev->ppdu_info_list, ppdu_info, ppdu_info_list_elem);
pdev->list_depth--;
ppdu_desc = (struct cdp_tx_completion_ppdu *)
qdf_nbuf_data(ppdu_info->nbuf);
/*
* before schdeuling, for management frame
* copy last mgmt nbuf to ppdu_desc
*/
if (ppdu_info->ppdu_id == pdev->mgmtctrl_frm_info.ppdu_id &&
pdev->mgmtctrl_frm_info.last_nbuf) {
qdf_nbuf_queue_add(&ppdu_desc->mpdu_q,
pdev->mgmtctrl_frm_info.last_nbuf);
pdev->mgmtctrl_frm_info.last_nbuf = NULL;
ppdu_desc->frame_type = CDP_PPDU_FTYPE_CTRL;
ppdu_desc->ppdu_id = ppdu_info->ppdu_id;
}
qdf_spin_lock_bh(&pdev->tx_capture.ppdu_stats_lock);
STAILQ_INSERT_TAIL(&pdev->tx_capture.ppdu_stats_queue,
ppdu_info, ppdu_info_queue_elem);
pdev->tx_capture.ppdu_stats_queue_depth++;
qdf_spin_unlock_bh(&pdev->tx_capture.ppdu_stats_lock);
if ((pdev->tx_capture.ppdu_stats_queue_depth >
DP_TX_PPDU_PROC_THRESHOLD) ||
(pdev->tx_capture.ppdu_stats_next_sched > now_ms)) {
qdf_queue_work(0, pdev->tx_capture.ppdu_stats_workqueue,
&pdev->tx_capture.ppdu_stats_work);
pdev->tx_capture.ppdu_stats_next_sched =
now_ms + DP_TX_PPDU_PROC_TIMEOUT;
}
}
#endif
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