Google Git
Sign in
coral / imx-board-wlan-src / e4046fd3ac6dc867cbe5bc18cc2a24bb5c3921c6 / . / CORE / CLD_TXRX / TXRX / ol_tx_queue.c
blob: 571295f990bbc5112b32364f5e037a0ad7d75237 [file] [log] [blame]
/*
* Copyright (c) 2012-2017 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* 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 file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
#include <adf_nbuf.h> /* adf_nbuf_t, etc. */
#include <adf_os_atomic.h> /* adf_os_atomic_add, etc. */
#include <ol_cfg.h> /* ol_cfg_addba_retry */
#include <htt.h> /* HTT_TX_EXT_TID_MGMT */
#include <ol_htt_tx_api.h> /* htt_tx_desc_tid */
#include <ol_txrx_api.h> /* ol_txrx_vdev_handle */
#include <ol_txrx_ctrl_api.h> /* ol_txrx_sync, ol_tx_addba_conf */
#include <ol_ctrl_txrx_api.h> /* ol_ctrl_addba_req */
#include <ol_txrx_internal.h> /* TXRX_ASSERT1, etc. */
#include <ol_txrx_types.h> /* pdev stats */
#include <ol_tx_desc.h> /* ol_tx_desc, ol_tx_desc_frame_list_free */
#include <ol_tx.h> /* ol_tx_vdev_ll_pause_queue_send */
#include <ol_tx_sched.h> /* ol_tx_sched_notify, etc. */
#include <ol_tx_queue.h>
#include <ol_txrx_dbg.h> /* DEBUG_HL_LOGGING */
#include <ol_txrx.h> /* ol_tx_desc_pool_size_hl */
#include <adf_os_types.h> /* a_bool_t */
#include <ol_txrx_peer_find.h>
#include "adf_trace.h"
#if defined(CONFIG_HL_SUPPORT)
#ifndef offsetof
#define offsetof(type, field) ((adf_os_size_t)(&((type *)0)->field))
#endif
/*--- function prototypes for optional queue log feature --------------------*/
#if defined(DEBUG_HL_LOGGING)
void
ol_tx_queue_log_enqueue(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_msdu_info_t *msdu_info,
int frms, int bytes);
void
ol_tx_queue_log_dequeue(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
int frms, int bytes);
void
ol_tx_queue_log_free(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
int tid, int frms, int bytes, bool is_peer_txq);
#define OL_TX_QUEUE_LOG_ENQUEUE ol_tx_queue_log_enqueue
#define OL_TX_QUEUE_LOG_DEQUEUE ol_tx_queue_log_dequeue
#define OL_TX_QUEUE_LOG_FREE ol_tx_queue_log_free
#else
#define OL_TX_QUEUE_LOG_ENQUEUE(pdev, msdu_info, frms, bytes) /* no-op */
#define OL_TX_QUEUE_LOG_DEQUEUE(pdev, txq, frms, bytes) /* no-op */
/* no-op */
#define OL_TX_QUEUE_LOG_FREE(pdev, txq, tid, frms, bytes, is_peer_txq)
#endif /* TXRX_DEBUG_LEVEL > 5 */
/*--- function prototypes for optional host ADDBA negotiation ---------------*/
#define OL_TX_QUEUE_ADDBA_CHECK(pdev, txq, tx_msdu_info) /* no-op */
#ifndef container_of
#define container_of(ptr, type, member) ((type *)( \
(char *)(ptr) - (char *)(&((type *)0)->member) ) )
#endif
/*--- function definitions --------------------------------------------------*/
/*
* Try to flush pending frames in the tx queues
* no matter it's queued in the TX scheduler or not.
*/
static inline void
ol_tx_queue_vdev_flush(struct ol_txrx_pdev_t *pdev, struct ol_txrx_vdev_t *vdev)
{
#define PEER_ARRAY_COUNT 10
struct ol_tx_frms_queue_t *txq;
struct ol_txrx_peer_t *peer, *peers[PEER_ARRAY_COUNT];
int i, j, peer_count;
/* flush bundling queue */
ol_tx_hl_queue_flush_all(vdev);
/* flush del_ack queue */
ol_tx_hl_del_ack_queue_flush_all(vdev);
/* flush VDEV TX queues */
for (i = 0; i < OL_TX_VDEV_NUM_QUEUES; i++) {
txq = &vdev->txqs[i];
/*
* currently txqs of MCAST_BCAST/DEFAULT_MGMT packet are using tid
* HTT_TX_EXT_TID_NON_QOS_MCAST_BCAST/HTT_TX_EXT_TID_MGMT when inserted
* into scheduler, so use same tid when we flush them
*/
if (i == OL_TX_VDEV_MCAST_BCAST)
ol_tx_queue_free(pdev, txq, HTT_TX_EXT_TID_NON_QOS_MCAST_BCAST,
false);
else if (i == OL_TX_VDEV_DEFAULT_MGMT)
ol_tx_queue_free(pdev, txq, HTT_TX_EXT_TID_MGMT, false);
else
ol_tx_queue_free(pdev, txq, (i + OL_TX_NUM_TIDS), false);
}
/* flush PEER TX queues */
do {
peer_count = 0;
/* select candidate peers */
adf_os_spin_lock_bh(&pdev->peer_ref_mutex);
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
for (i = 0; i < OL_TX_NUM_TIDS; i++) {
txq = &peer->txqs[i];
if (txq->frms) {
adf_os_atomic_inc(&peer->ref_cnt);
peers[peer_count++] = peer;
break;
}
}
if (peer_count >= PEER_ARRAY_COUNT) {
break;
}
}
adf_os_spin_unlock_bh(&pdev->peer_ref_mutex);
/* flush TX queues of candidate peers */
for (i = 0; i < peer_count; i++) {
for (j = 0; j < OL_TX_NUM_TIDS; j++) {
txq = &peers[i]->txqs[j];
if (txq->frms) {
ol_tx_queue_free(pdev, txq, j, true);
}
}
TXRX_PRINT(TXRX_PRINT_LEVEL_ERR,
"%s: Delete Peer %pK\n", __func__, peer);
ol_txrx_peer_unref_delete(peers[i]);
}
} while (peer_count >= PEER_ARRAY_COUNT);
}
static inline void
ol_tx_queue_flush(struct ol_txrx_pdev_t *pdev)
{
struct ol_txrx_vdev_t *vdev;
TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) {
ol_tx_queue_vdev_flush(pdev, vdev);
}
}
void
ol_tx_queue_discard(
struct ol_txrx_pdev_t *pdev,
a_bool_t flush_all,
ol_tx_desc_list *tx_descs)
{
u_int16_t num;
u_int16_t discarded, actual_discarded = 0;
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
if (flush_all == A_TRUE) {
/* flush all the pending tx queues in the scheduler */
num = ol_tx_desc_pool_size_hl(pdev->ctrl_pdev) -
adf_os_atomic_read(&pdev->tx_queue.rsrc_cnt);
} else {
num = pdev->tx_queue.rsrc_threshold_hi -
pdev->tx_queue.rsrc_threshold_lo;
}
TX_SCHED_DEBUG_PRINT("+%s : %u\n,", __FUNCTION__,
adf_os_atomic_read(&pdev->tx_queue.rsrc_cnt));
while (num > 0) {
discarded = ol_tx_sched_discard_select(
pdev, (u_int16_t)num, tx_descs, flush_all);
if (discarded == 0) {
/*
* No more packets could be discarded.
* Probably tx queues are empty.
*/
break;
}
num -= discarded;
actual_discarded += discarded;
}
adf_os_atomic_add(actual_discarded, &pdev->tx_queue.rsrc_cnt);
TX_SCHED_DEBUG_PRINT("-%s \n",__FUNCTION__);
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
if (flush_all == A_TRUE && num > 0) {
/*
* try to flush pending frames in the tx queues
* which are not queued in the TX scheduler.
*/
ol_tx_queue_flush(pdev);
}
}
void
ol_tx_enqueue(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
struct ol_tx_desc_t *tx_desc,
struct ol_txrx_msdu_info_t *tx_msdu_info)
{
int bytes;
struct ol_tx_sched_notify_ctx_t notify_ctx;
#if defined(CONFIG_PER_VDEV_TX_DESC_POOL)
ol_txrx_vdev_handle vdev;
#endif
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
/*
* If too few tx descriptors are available, drop some currently-queued
* tx frames, to provide enough tx descriptors for new frames, which
* may be higher priority than the current frames.
*/
#if defined(CONFIG_PER_VDEV_TX_DESC_POOL)
vdev = tx_desc->vdev;
if (adf_os_atomic_read(&vdev->tx_desc_count) >
((ol_tx_desc_pool_size_hl(pdev->ctrl_pdev) >> 1)
- TXRX_HL_TX_FLOW_CTRL_MGMT_RESERVED)) {
#else
if (adf_os_atomic_read(&pdev->tx_queue.rsrc_cnt) <=
pdev->tx_queue.rsrc_threshold_lo)
{
#endif
ol_tx_desc_list tx_descs;
TAILQ_INIT(&tx_descs);
ol_tx_queue_discard(pdev, A_FALSE, &tx_descs);
//Discard Frames in Discard List
ol_tx_desc_frame_list_free(pdev, &tx_descs, 1 /* error */);
}
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
TAILQ_INSERT_TAIL(&txq->head, tx_desc, tx_desc_list_elem);
bytes = adf_nbuf_len(tx_desc->netbuf);
txq->frms++;
txq->bytes += bytes;
OL_TX_QUEUE_LOG_ENQUEUE(pdev, tx_msdu_info, 1, bytes);
if (txq->flag != ol_tx_queue_paused) {
notify_ctx.event = OL_TX_ENQUEUE_FRAME;
notify_ctx.frames = 1;
notify_ctx.bytes = adf_nbuf_len(tx_desc->netbuf);
notify_ctx.txq = txq;
notify_ctx.info.tx_msdu_info = tx_msdu_info;
ol_tx_sched_notify(pdev, &notify_ctx);
txq->flag = ol_tx_queue_active;
}
if (!ETHERTYPE_IS_EAPOL_WAPI(tx_msdu_info->htt.info.ethertype)) {
OL_TX_QUEUE_ADDBA_CHECK(pdev, txq, tx_msdu_info);
}
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
}
u_int16_t
ol_tx_dequeue(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
ol_tx_desc_list *head,
u_int16_t max_frames,
u_int32_t *credit,
int *bytes)
{
u_int16_t num_frames;
int bytes_sum;
unsigned credit_sum;
u_int16_t temp_frms;
u_int32_t temp_bytes;
bool flush_all = false;
struct ol_tx_desc_t *tx_flush_desc;
TXRX_ASSERT2(txq->flag != ol_tx_queue_paused);
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
temp_frms = txq->frms;
temp_bytes = txq->bytes;
if (txq->frms < max_frames) {
max_frames = txq->frms;
}
bytes_sum = 0;
credit_sum = 0;
for (num_frames = 0; num_frames < max_frames; num_frames++) {
unsigned frame_credit;
struct ol_tx_desc_t *tx_desc;
tx_desc = TAILQ_FIRST(&txq->head);
if(!tx_desc) {
flush_all = true;
TXRX_PRINT(TXRX_PRINT_LEVEL_ERR,
"%s: flush frames: num_frames = %d, max_frames = %d\n",
__func__, num_frames, max_frames);
break;
}
frame_credit = htt_tx_msdu_credit(tx_desc->netbuf);
if (credit_sum + frame_credit > *credit) {
break;
}
credit_sum += frame_credit;
bytes_sum += adf_nbuf_len(tx_desc->netbuf);
TAILQ_REMOVE(&txq->head, tx_desc, tx_desc_list_elem);
TAILQ_INSERT_TAIL(head, tx_desc, tx_desc_list_elem);
}
txq->frms -= num_frames;
txq->bytes -= bytes_sum;
/* a paused queue remains paused, regardless of whether it has frames */
if (txq->frms == 0 && txq->flag == ol_tx_queue_active) {
txq->flag = ol_tx_queue_empty;
}
OL_TX_QUEUE_LOG_DEQUEUE(pdev, txq, num_frames, bytes_sum);
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
if (flush_all && bytes_sum) {
*bytes = temp_bytes;
*credit = 0;
txq->frms = 0;
txq->bytes = 0;
while (num_frames) {
tx_flush_desc = TAILQ_FIRST(head);
TAILQ_REMOVE(head, tx_flush_desc, tx_desc_list_elem);
ol_tx_desc_frame_free_nonstd(pdev, tx_flush_desc, 0);
num_frames--;
}
} else {
*bytes = bytes_sum;
*credit = credit_sum;
}
return num_frames;
}
void
ol_tx_queue_free(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
int tid, bool is_peer_txq)
{
int frms = 0, bytes = 0;
struct ol_tx_desc_t *tx_desc;
struct ol_tx_sched_notify_ctx_t notify_ctx;
ol_tx_desc_list tx_tmp_list;
TAILQ_INIT(&tx_tmp_list);
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
notify_ctx.event = OL_TX_DELETE_QUEUE;
notify_ctx.txq = txq;
notify_ctx.info.ext_tid = tid;
ol_tx_sched_notify(pdev, &notify_ctx);
frms = txq->frms;
tx_desc = TAILQ_FIRST(&txq->head);
while (txq->frms) {
bytes += adf_nbuf_len(tx_desc->netbuf);
txq->frms--;
tx_desc = TAILQ_NEXT(tx_desc, tx_desc_list_elem);
}
OL_TX_QUEUE_LOG_FREE(pdev, txq, tid, frms, bytes, is_peer_txq);
txq->bytes -= bytes;
OL_TX_QUEUE_LOG_FREE(pdev, txq, tid, frms, bytes, is_peer_txq);
txq->flag = ol_tx_queue_empty;
/* txq->head gets reset during the TAILQ_CONCAT call */
TAILQ_CONCAT(&tx_tmp_list, &txq->head, tx_desc_list_elem);
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
/* free tx frames without holding tx_queue_spinlock */
adf_os_atomic_add(frms, &pdev->tx_queue.rsrc_cnt);
while (frms) {
tx_desc = TAILQ_FIRST(&tx_tmp_list);
TAILQ_REMOVE(&tx_tmp_list, tx_desc, tx_desc_list_elem);
ol_tx_desc_frame_free_nonstd(pdev, tx_desc, 0);
frms--;
}
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
}
/*--- queue pause / unpause functions ---------------------------------------*/
static inline void
ol_txrx_peer_tid_pause_base(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_peer_t *peer,
int tid)
{
struct ol_tx_frms_queue_t *txq = &peer->txqs[tid];
if (txq->paused_count.total++ == 0) {
struct ol_tx_sched_notify_ctx_t notify_ctx;
notify_ctx.event = OL_TX_PAUSE_QUEUE;
notify_ctx.txq = txq;
notify_ctx.info.ext_tid = tid;
ol_tx_sched_notify(pdev, &notify_ctx);
txq->flag = ol_tx_queue_paused;
}
}
static inline void
ol_txrx_peer_pause_but_no_mgmt_q_base(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_peer_t *peer)
{
int i;
for (i = 0; i < OL_TX_MGMT_TID; i++) {
ol_txrx_peer_tid_pause_base(pdev, peer, i);
}
}
static inline void
ol_txrx_peer_pause_base(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_peer_t *peer)
{
int i;
for (i = 0; i < ARRAY_LEN(peer->txqs); i++) {
ol_txrx_peer_tid_pause_base(pdev, peer, i);
}
}
static inline void
ol_txrx_peer_tid_unpause_base(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_peer_t *peer,
int tid)
{
struct ol_tx_frms_queue_t *txq = &peer->txqs[tid];
/*
* Don't actually unpause the tx queue until all pause requests
* have been removed.
*/
TXRX_ASSERT2(txq->paused_count.total > 0);
/* return, if not already paused */
if (txq->paused_count.total == 0)
return;
if (--txq->paused_count.total == 0) {
struct ol_tx_sched_notify_ctx_t notify_ctx;
notify_ctx.event = OL_TX_UNPAUSE_QUEUE;
notify_ctx.txq = txq;
notify_ctx.info.ext_tid = tid;
ol_tx_sched_notify(pdev, &notify_ctx);
if (txq->frms == 0) {
txq->flag = ol_tx_queue_empty;
} else {
txq->flag = ol_tx_queue_active;
/*
* Now that the are new tx frames available to download,
* invoke the scheduling function, to see if it wants to
* download the new frames.
* Since the queue lock is currently held, and since
* the scheduler function takes the lock, temporarily
* release the lock.
*/
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
ol_tx_sched(pdev);
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
}
}
}
static inline void
ol_txrx_peer_unpause_but_no_mgmt_q_base(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_peer_t *peer)
{
int i;
for (i = 0; i < OL_TX_MGMT_TID; i++) {
ol_txrx_peer_tid_unpause_base(pdev, peer, i);
}
}
void
ol_txrx_peer_tid_unpause(ol_txrx_peer_handle peer, int tid)
{
struct ol_txrx_pdev_t *pdev = peer->vdev->pdev;
/* TO DO: log the queue unpause */
/* acquire the mutex lock, since we'll be modifying the queues */
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
if (tid == -1) {
int i;
for (i = 0; i < ARRAY_LEN(peer->txqs); i++) {
ol_txrx_peer_tid_unpause_base(pdev, peer, i);
}
} else {
ol_txrx_peer_tid_unpause_base(pdev, peer, tid);
}
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
}
void
ol_txrx_throttle_pause(ol_txrx_pdev_handle pdev)
{
#if defined(QCA_SUPPORT_TX_THROTTLE)
adf_os_spin_lock_bh(&pdev->tx_throttle.mutex);
if (pdev->tx_throttle.is_paused == TRUE) {
adf_os_spin_unlock_bh(&pdev->tx_throttle.mutex);
return;
}
pdev->tx_throttle.is_paused = TRUE;
adf_os_spin_unlock_bh(&pdev->tx_throttle.mutex);
#endif
ol_txrx_pdev_pause(pdev, OL_TXQ_PAUSE_REASON_THROTTLE);
}
void
ol_txrx_throttle_unpause(ol_txrx_pdev_handle pdev)
{
#if defined(QCA_SUPPORT_TX_THROTTLE)
adf_os_spin_lock_bh(&pdev->tx_throttle.mutex);
if (pdev->tx_throttle.is_paused == FALSE) {
adf_os_spin_unlock_bh(&pdev->tx_throttle.mutex);
return;
}
pdev->tx_throttle.is_paused = FALSE;
adf_os_spin_unlock_bh(&pdev->tx_throttle.mutex);
#endif
ol_txrx_pdev_unpause(pdev, OL_TXQ_PAUSE_REASON_THROTTLE);
}
#endif /* defined(CONFIG_HL_SUPPORT) */
#if defined(CONFIG_HL_SUPPORT) || defined(QCA_SUPPORT_TXRX_VDEV_PAUSE_LL)
/**
* ol_txrx_pdev_pause() - Suspend all tx data for the specified physical device.
* @data_pdev: the physical device being paused.
* @reason: pause reason.
*
* This function applies to HL systems -
* in LL systems, applies when txrx_vdev_pause_all is enabled.
* In some systems it is necessary to be able to temporarily
* suspend all WLAN traffic, e.g. to allow another device such as bluetooth
* to temporarily have exclusive access to shared RF chain resources.
* This function suspends tx traffic within the specified physical device.
*
*
* Return: None
*/
void
ol_txrx_pdev_pause(ol_txrx_pdev_handle pdev, u_int32_t reason)
{
struct ol_txrx_vdev_t *vdev = NULL, *tmp;
TAILQ_FOREACH_SAFE(vdev, &pdev->vdev_list, vdev_list_elem, tmp) {
ol_txrx_vdev_pause(vdev, reason);
}
}
/**
* ol_txrx_pdev_unpause() - Resume tx for the specified physical device..
* @data_pdev: the physical device being paused.
* @reason: pause reason.
*
* This function applies to HL systems -
* in LL systems, applies when txrx_vdev_pause_all is enabled.
*
*
* Return: None
*/
void
ol_txrx_pdev_unpause(ol_txrx_pdev_handle pdev, u_int32_t reason)
{
struct ol_txrx_vdev_t *vdev = NULL, *tmp;
TAILQ_FOREACH_SAFE(vdev, &pdev->vdev_list, vdev_list_elem, tmp) {
ol_txrx_vdev_unpause(vdev, reason);
}
}
#if defined(CONFIG_HL_SUPPORT)
/**
* ol_txrx_pdev_pause_other_vdev() - Suspend all tx data for the specified physical device except
* current vdev.
* @data_pdev: the physical device being paused.
* @reason: pause reason.
* One can provide multiple line descriptions
* for arguments.
* @current_id: do not pause this vdev id queues
*
* This function applies to HL systems -
* in LL systems, applies when txrx_vdev_pause_all is enabled.
* In some cases it is necessary to be able to temporarily
* suspend other vdevs traffic, e.g. to avoid current EAPOL frames credit starvation
*
* Return: None
*/
void
ol_txrx_pdev_pause_other_vdev(ol_txrx_pdev_handle pdev, u_int32_t reason, u_int32_t current_id)
{
struct ol_txrx_vdev_t *vdev = NULL, *tmp;
TAILQ_FOREACH_SAFE(vdev, &pdev->vdev_list, vdev_list_elem, tmp) {
if (vdev->vdev_id != current_id) {
ol_txrx_vdev_pause(vdev, reason);
}
}
}
/**
* ol_txrx_pdev_unpause_other_vdev() - Resume tx for the paused vdevs..
* @data_pdev: the physical device being paused.
* @reason: pause reason.
* @current_id: do not unpause this vdev
*
* This function applies to HL systems -
* in LL systems, applies when txrx_vdev_pause_all is enabled.
*
*
* Return: None
*/
void
ol_txrx_pdev_unpause_other_vdev(ol_txrx_pdev_handle pdev, u_int32_t reason, u_int32_t current_id)
{
struct ol_txrx_vdev_t *vdev = NULL, *tmp;
TAILQ_FOREACH_SAFE(vdev, &pdev->vdev_list, vdev_list_elem, tmp) {
if (vdev->vdev_id != current_id) {
ol_txrx_vdev_unpause(vdev, reason);
}
}
}
#endif
#ifdef QCA_BAD_PEER_TX_FLOW_CL
/**
* ol_txrx_peer_bal_add_limit_peer() - add one peer into limit list
* @pdev: Pointer to PDEV structure.
* @peer_id: Peer Identifier.
* @peer_limit Peer limit threshold
*
* Add one peer into the limit list of pdev
* Note that the peer limit info will be also updated
* If it is the first time, start the timer
*
* Return: None
*/
void
ol_txrx_peer_bal_add_limit_peer(struct ol_txrx_pdev_t *pdev,
u_int16_t peer_id, u_int16_t peer_limit)
{
u_int16_t i, existed = 0;
struct ol_txrx_peer_t *peer = NULL;
for (i = 0; i < pdev->tx_peer_bal.peer_num; i++){
if (pdev->tx_peer_bal.limit_list[i].peer_id == peer_id) {
existed = 1;
break;
}
}
if (!existed) {
u_int32_t peer_num = pdev->tx_peer_bal.peer_num;
/* Check if peer_num has reached the capabilit */
if (peer_num >= MAX_NO_PEERS_IN_LIMIT) {
TX_SCHED_DEBUG_PRINT_ALWAYS(
"reach the maxinum peer num %d\n",
peer_num);
return;
}
pdev->tx_peer_bal.limit_list[peer_num].peer_id = peer_id;
pdev->tx_peer_bal.limit_list[peer_num].limit_flag = TRUE;
pdev->tx_peer_bal.limit_list[peer_num].limit = peer_limit;
pdev->tx_peer_bal.peer_num++;
peer = ol_txrx_peer_find_by_id(pdev, peer_id);
if (peer) {
peer->tx_limit_flag = TRUE;
peer->tx_limit = peer_limit;
}
TX_SCHED_DEBUG_PRINT_ALWAYS(
"Add one peer into limit queue, peer_id %d, cur peer num %d\n",
peer_id,
pdev->tx_peer_bal.peer_num);
}
/* Only start the timer once */
if (pdev->tx_peer_bal.peer_bal_timer_state ==
ol_tx_peer_bal_timer_inactive) {
adf_os_timer_start(&pdev->tx_peer_bal.peer_bal_timer,
pdev->tx_peer_bal.peer_bal_period_ms);
pdev->tx_peer_bal.peer_bal_timer_state =
ol_tx_peer_bal_timer_active;
}
}
/**
* ol_txrx_peer_bal_remove_limit_peer() - remove one peer from limit list
* @pdev: Pointer to PDEV structure.
* @peer_id: Peer Identifier.
*
* Remove one peer from the limit list of pdev
* Note that Only stop the timer if no peer in limit state
*
* Return: NULL
*/
void
ol_txrx_peer_bal_remove_limit_peer(struct ol_txrx_pdev_t *pdev,
u_int16_t peer_id)
{
u_int16_t i;
struct ol_txrx_peer_t *peer = NULL;
for (i = 0; i < pdev->tx_peer_bal.peer_num; i++) {
if ( pdev->tx_peer_bal.limit_list[i].peer_id == peer_id) {
pdev->tx_peer_bal.limit_list[i] =
pdev->tx_peer_bal.limit_list[pdev->tx_peer_bal.peer_num - 1];
pdev->tx_peer_bal.peer_num--;
peer = ol_txrx_peer_find_by_id(pdev, peer_id);
if (peer) {
peer->tx_limit_flag = FALSE;
}
TX_SCHED_DEBUG_PRINT(
"Remove one peer from limitq, peer_id %d, cur peer num %d\n",
peer_id,
pdev->tx_peer_bal.peer_num);
break;
}
}
/* Only stop the timer if no peer in limit state */
if (pdev->tx_peer_bal.peer_num == 0) {
adf_os_timer_cancel(&pdev->tx_peer_bal.peer_bal_timer);
pdev->tx_peer_bal.peer_bal_timer_state =
ol_tx_peer_bal_timer_inactive;
}
}
void
ol_txrx_peer_pause_but_no_mgmt_q(ol_txrx_peer_handle peer)
{
struct ol_txrx_pdev_t *pdev = peer->vdev->pdev;
/* TO DO: log the queue pause */
/* acquire the mutex lock, since we'll be modifying the queues */
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
ol_txrx_peer_pause_but_no_mgmt_q_base(pdev, peer);
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
}
void
ol_txrx_peer_unpause_but_no_mgmt_q(ol_txrx_peer_handle peer)
{
struct ol_txrx_pdev_t *pdev = peer->vdev->pdev;
/* TO DO: log the queue pause */
/* acquire the mutex lock, since we'll be modifying the queues */
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
ol_txrx_peer_unpause_but_no_mgmt_q_base(pdev, peer);
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
}
u_int16_t
ol_tx_bad_peer_dequeue_check(struct ol_tx_frms_queue_t *txq,
u_int16_t max_frames,
u_int16_t *tx_limit_flag)
{
if (txq && (txq->peer) && (txq->peer->tx_limit_flag)
&& (txq->peer->tx_limit < max_frames)) {
TX_SCHED_DEBUG_PRINT("Peer ID %d goes to limit, threshold is %d\n",
txq->peer->peer_ids[0], txq->peer->tx_limit);
*tx_limit_flag = 1;
return txq->peer->tx_limit;
} else {
return max_frames;
}
}
void
ol_tx_bad_peer_update_tx_limit(struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
u_int16_t frames,
u_int16_t tx_limit_flag)
{
adf_os_spin_lock_bh(&pdev->tx_peer_bal.mutex);
if (txq && tx_limit_flag && (txq->peer) && (txq->peer->tx_limit_flag)) {
if (txq->peer->tx_limit < frames) {
txq->peer->tx_limit = 0;
} else {
txq->peer->tx_limit -= frames;
}
TX_SCHED_DEBUG_PRINT_ALWAYS("Peer ID %d in limit, deque %d frms\n",
txq->peer->peer_ids[0], frames);
} else if (txq->peer) {
TX_SCHED_DEBUG_PRINT("Download peer_id %d, num_frames %d\n",
txq->peer->peer_ids[0], frames);
}
adf_os_spin_unlock_bh(&pdev->tx_peer_bal.mutex);
}
void
ol_txrx_bad_peer_txctl_set_setting(struct ol_txrx_pdev_t *pdev,
int enable, int period, int txq_limit)
{
if (enable) {
pdev->tx_peer_bal.enabled = ol_tx_peer_bal_enable;
} else {
pdev->tx_peer_bal.enabled = ol_tx_peer_bal_disable;
}
/* Set the current settingl */
pdev->tx_peer_bal.peer_bal_period_ms = period;
pdev->tx_peer_bal.peer_bal_txq_limit = txq_limit;
}
void
ol_txrx_bad_peer_txctl_update_threshold(struct ol_txrx_pdev_t *pdev,
int level, int tput_thresh, int tx_limit)
{
/* Set the current settingl */
pdev->tx_peer_bal.ctl_thresh[level].tput_thresh =
tput_thresh;
pdev->tx_peer_bal.ctl_thresh[level].tx_limit =
tx_limit;
}
void
ol_tx_pdev_peer_bal_timer(void *context)
{
int i;
struct ol_txrx_pdev_t *pdev = (struct ol_txrx_pdev_t *)context;
adf_os_spin_lock_bh(&pdev->tx_peer_bal.mutex);
for (i = 0; i < pdev->tx_peer_bal.peer_num; i++) {
if (pdev->tx_peer_bal.limit_list[i].limit_flag) {
u_int16_t peer_id =
pdev->tx_peer_bal.limit_list[i].peer_id;
u_int16_t tx_limit =
pdev->tx_peer_bal.limit_list[i].limit;
struct ol_txrx_peer_t *peer = NULL;
peer = ol_txrx_peer_find_by_id(pdev, peer_id);
TX_SCHED_DEBUG_PRINT("%s peer_id %d peer = 0x%x tx limit %d\n",
__FUNCTION__, peer_id,
(int)peer, tx_limit);
/* It is possible the peer limit is still not 0,
but it is the scenario should not be cared */
if (peer) {
peer->tx_limit = tx_limit;
} else {
ol_txrx_peer_bal_remove_limit_peer(pdev,
peer_id);
TX_SCHED_DEBUG_PRINT_ALWAYS("No such a peer, peer id = %d\n",
peer_id);
}
}
}
adf_os_spin_unlock_bh(&pdev->tx_peer_bal.mutex);
if (pdev->tx_peer_bal.peer_num) {
ol_tx_sched(pdev);
adf_os_timer_start(&pdev->tx_peer_bal.peer_bal_timer,
pdev->tx_peer_bal.peer_bal_period_ms);
}
}
void
ol_txrx_set_txq_peer(
struct ol_tx_frms_queue_t *txq,
struct ol_txrx_peer_t *peer)
{
if (txq) {
txq->peer = peer;
}
}
void ol_tx_badpeer_flow_cl_init(struct ol_txrx_pdev_t *pdev)
{
u_int32_t timer_period;
adf_os_spinlock_init(&pdev->tx_peer_bal.mutex);
pdev->tx_peer_bal.peer_num = 0;
pdev->tx_peer_bal.peer_bal_timer_state
= ol_tx_peer_bal_timer_inactive;
timer_period = 2000;
pdev->tx_peer_bal.peer_bal_period_ms = timer_period;
adf_os_timer_init(
pdev->osdev,
&pdev->tx_peer_bal.peer_bal_timer,
ol_tx_pdev_peer_bal_timer,
pdev);
}
void ol_tx_badpeer_flow_cl_deinit(struct ol_txrx_pdev_t *pdev)
{
adf_os_timer_cancel(&pdev->tx_peer_bal.peer_bal_timer);
pdev->tx_peer_bal.peer_bal_timer_state =
ol_tx_peer_bal_timer_inactive;
adf_os_timer_free(&pdev->tx_peer_bal.peer_bal_timer);
adf_os_spinlock_destroy(&pdev->tx_peer_bal.mutex);
}
void
ol_txrx_peer_link_status_handler(
ol_txrx_pdev_handle pdev,
u_int16_t peer_num,
struct rate_report_t* peer_link_status)
{
u_int16_t i = 0;
struct ol_txrx_peer_t *peer = NULL;
if (NULL == pdev) {
TX_SCHED_DEBUG_PRINT_ALWAYS("Error: NULL pdev handler \n");
return;
}
if (NULL == peer_link_status) {
TX_SCHED_DEBUG_PRINT_ALWAYS(
"Error:NULL link report message. peer num %d\n",
peer_num);
return;
}
/* Check if bad peer tx flow CL is enabled */
if (pdev->tx_peer_bal.enabled != ol_tx_peer_bal_enable){
TX_SCHED_DEBUG_PRINT_ALWAYS(
"Bad peer tx flow CL is not enabled, ignore it\n");
return;
}
/* Check peer_num is reasonable */
if (peer_num > MAX_NO_PEERS_IN_LIMIT){
TX_SCHED_DEBUG_PRINT_ALWAYS(
"%s: Bad peer_num %d \n", __func__, peer_num);
return;
}
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_DEBUG,
"%s: peer_num %d", __func__, peer_num);
for (i = 0; i < peer_num; i++) {
u_int16_t peer_limit, peer_id;
u_int16_t pause_flag, unpause_flag;
u_int32_t peer_phy, peer_tput;
peer_id = peer_link_status->id;
peer_phy = peer_link_status->phy;
peer_tput = peer_link_status->rate;
TX_SCHED_DEBUG_PRINT("%s: peer id %d tput %d phy %d\n",
__func__, peer_id, peer_tput, peer_phy);
/* Sanity check for the PHY mode value */
if (peer_phy > TXRX_IEEE11_AC) {
TX_SCHED_DEBUG_PRINT_ALWAYS(
"%s: PHY value is illegal: %d, and the peer_id %d \n",
__func__, peer_link_status->phy, peer_id);
continue;
}
pause_flag = FALSE;
unpause_flag = FALSE;
peer_limit = 0;
/* From now on, PHY, PER info should be all fine */
adf_os_spin_lock_bh(&pdev->tx_peer_bal.mutex);
/* Update link status analysis for each peer */
peer = ol_txrx_peer_find_by_id(pdev, peer_id);
if (peer) {
u_int32_t thresh, limit, phy;
phy = peer_link_status->phy;
thresh = pdev->tx_peer_bal.ctl_thresh[phy].tput_thresh;
limit = pdev->tx_peer_bal.ctl_thresh[phy].tx_limit;
if (((peer->tx_pause_flag) || (peer->tx_limit_flag))
&& (peer_tput) && (peer_tput < thresh)) {
peer_limit = limit;
}
if (peer_limit) {
ol_txrx_peer_bal_add_limit_peer(pdev, peer_id,
peer_limit);
} else if (pdev->tx_peer_bal.peer_num) {
TX_SCHED_DEBUG_PRINT("%s: Check if peer_id %d exit limit\n",
__func__, peer_id);
ol_txrx_peer_bal_remove_limit_peer(pdev, peer_id);
}
if ((peer_tput == 0) && (peer->tx_pause_flag == FALSE)) {
peer->tx_pause_flag = TRUE;
pause_flag = TRUE;
} else if (peer->tx_pause_flag){
unpause_flag = TRUE;
peer->tx_pause_flag = FALSE;
}
} else {
TX_SCHED_DEBUG_PRINT("%s: Remove peer_id %d from limit list\n",
__func__, peer_id);
ol_txrx_peer_bal_remove_limit_peer(pdev, peer_id);
}
peer_link_status++;
adf_os_spin_unlock_bh(&pdev->tx_peer_bal.mutex);
if (pause_flag) {
ol_txrx_peer_pause_but_no_mgmt_q(peer);
} else if (unpause_flag) {
ol_txrx_peer_unpause_but_no_mgmt_q(peer);
}
}
}
#endif /* QCA_BAD_PEER_TX_FLOW_CL */
void
ol_txrx_vdev_pause(ol_txrx_vdev_handle vdev, u_int32_t reason)
{
/* TO DO: log the queue pause */
/* acquire the mutex lock, since we'll be modifying the queues */
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
if (vdev->pdev->cfg.is_high_latency) {
#if defined(CONFIG_HL_SUPPORT)
struct ol_txrx_pdev_t *pdev = vdev->pdev;
struct ol_txrx_peer_t *peer;
/* use peer_ref_mutex before accessing peer_list */
adf_os_spin_lock_bh(&pdev->peer_ref_mutex);
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
if((vdev->hl_paused_reason & reason) == 0) {
vdev->hl_paused_reason |= reason;
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
ol_txrx_peer_pause_base(pdev, peer);
}
}
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
adf_os_spin_unlock_bh(&pdev->peer_ref_mutex);
#endif /* defined(CONFIG_HL_SUPPORT) */
} else {
adf_os_spin_lock_bh(&vdev->ll_pause.mutex);
vdev->ll_pause.paused_reason |= reason;
vdev->ll_pause.pause_timestamp =
adf_os_gettimestamp();
vdev->ll_pause.q_pause_cnt++;
vdev->ll_pause.is_q_paused = TRUE;
adf_os_spin_unlock_bh(&vdev->ll_pause.mutex);
}
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
}
void
ol_txrx_vdev_unpause(ol_txrx_vdev_handle vdev, u_int32_t reason)
{
/* TO DO: log the queue unpause */
/* acquire the mutex lock, since we'll be modifying the queues */
TX_SCHED_DEBUG_PRINT("Enter %s\n", __func__);
if (vdev->pdev->cfg.is_high_latency) {
#if defined(CONFIG_HL_SUPPORT)
struct ol_txrx_pdev_t *pdev = vdev->pdev;
struct ol_txrx_peer_t *peer;
/* take peer_ref_mutex before accessing peer_list */
adf_os_spin_lock_bh(&pdev->peer_ref_mutex);
adf_os_spin_lock_bh(&pdev->tx_queue_spinlock);
if (vdev->hl_paused_reason & reason) {
vdev->hl_paused_reason &= ~reason;
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
int i;
for (i = 0; i < ARRAY_LEN(peer->txqs); i++) {
ol_txrx_peer_tid_unpause_base(pdev, peer, i);
}
}
}
adf_os_spin_unlock_bh(&pdev->tx_queue_spinlock);
adf_os_spin_unlock_bh(&pdev->peer_ref_mutex);
#endif /* defined(CONFIG_HL_SUPPORT) */
} else {
adf_os_spin_lock_bh(&vdev->ll_pause.mutex);
if (vdev->ll_pause.paused_reason & reason)
{
vdev->ll_pause.paused_reason &= ~reason;
vdev->ll_pause.is_q_paused = FALSE;
vdev->ll_pause.q_unpause_cnt++;
#ifdef QCA_SUPPORT_TXRX_VDEV_LL_TXQ
if (reason == OL_TXQ_PAUSE_REASON_VDEV_SUSPEND) {
adf_os_spin_unlock_bh(&vdev->ll_pause.mutex);
ol_tx_vdev_ll_pause_start_timer(vdev);
}
else
#endif
if (!vdev->ll_pause.paused_reason) {
adf_os_spin_unlock_bh(&vdev->ll_pause.mutex);
ol_tx_vdev_ll_pause_queue_send(vdev);
} else {
adf_os_spin_unlock_bh(&vdev->ll_pause.mutex);
}
} else {
adf_os_spin_unlock_bh(&vdev->ll_pause.mutex);
}
}
TX_SCHED_DEBUG_PRINT("Leave %s\n", __func__);
}
void
ol_txrx_vdev_flush(ol_txrx_vdev_handle vdev)
{
if (vdev->pdev->cfg.is_high_latency) {
#if defined(CONFIG_HL_SUPPORT)
ol_tx_queue_vdev_flush(vdev->pdev, vdev);
#endif
} else {
adf_os_spin_lock_bh(&vdev->ll_pause.mutex);
adf_os_timer_cancel(&vdev->ll_pause.timer);
vdev->ll_pause.is_q_timer_on = FALSE;
while (vdev->ll_pause.txq.head) {
adf_nbuf_t next = adf_nbuf_next(vdev->ll_pause.txq.head);
adf_nbuf_set_next(vdev->ll_pause.txq.head, NULL);
adf_nbuf_unmap(vdev->pdev->osdev, vdev->ll_pause.txq.head,
ADF_OS_DMA_TO_DEVICE);
adf_nbuf_tx_free(vdev->ll_pause.txq.head, ADF_NBUF_PKT_ERROR);
vdev->ll_pause.txq.head = next;
}
vdev->ll_pause.txq.tail = NULL;
vdev->ll_pause.txq.depth = 0;
adf_os_spin_unlock_bh(&vdev->ll_pause.mutex);
}
}
#endif // defined(CONFIG_HL_SUPPORT) || defined(QCA_SUPPORT_TXRX_VDEV_PAUSE_LL)
/*--- LL tx throttle queue code --------------------------------------------*/
#if defined(QCA_SUPPORT_TX_THROTTLE)
u_int8_t ol_tx_pdev_is_target_empty(void)
{
/* TM TODO */
return 1;
}
void ol_tx_pdev_throttle_phase_timer(void *context)
{
struct ol_txrx_pdev_t *pdev = (struct ol_txrx_pdev_t *)context;
int ms = 0;
throttle_level cur_level;
throttle_phase cur_phase;
/* update the phase */
pdev->tx_throttle.current_throttle_phase++;
if (pdev->tx_throttle.current_throttle_phase == THROTTLE_PHASE_MAX) {
pdev->tx_throttle.current_throttle_phase = THROTTLE_PHASE_OFF;
}
if (pdev->tx_throttle.current_throttle_phase == THROTTLE_PHASE_OFF) {
if (ol_tx_pdev_is_target_empty(/*pdev*/)) {
TXRX_PRINT(TXRX_PRINT_LEVEL_WARN, "throttle phase --> OFF\n");
if (pdev->cfg.is_high_latency)
ol_txrx_throttle_pause(pdev);
cur_level = pdev->tx_throttle.current_throttle_level;
cur_phase = pdev->tx_throttle.current_throttle_phase;
ms = pdev->tx_throttle.throttle_time_ms[cur_level][cur_phase];
if (pdev->tx_throttle.current_throttle_level !=
THROTTLE_LEVEL_0) {
TXRX_PRINT(TXRX_PRINT_LEVEL_WARN, "start timer %d ms\n", ms);
adf_os_timer_mod(&pdev->tx_throttle.phase_timer, ms);
}
}
}
else /* THROTTLE_PHASE_ON */
{
TXRX_PRINT(TXRX_PRINT_LEVEL_WARN, "throttle phase --> ON\n");
if (pdev->cfg.is_high_latency)
ol_txrx_throttle_unpause(pdev);
#ifdef QCA_SUPPORT_TXRX_VDEV_LL_TXQ
else
ol_tx_pdev_ll_pause_queue_send_all(pdev);
#endif
cur_level = pdev->tx_throttle.current_throttle_level;
cur_phase = pdev->tx_throttle.current_throttle_phase;
ms = pdev->tx_throttle.throttle_time_ms[cur_level][cur_phase];
if (pdev->tx_throttle.current_throttle_level != THROTTLE_LEVEL_0) {
TXRX_PRINT(TXRX_PRINT_LEVEL_WARN, "start timer %d ms\n", ms);
adf_os_timer_mod(&pdev->tx_throttle.phase_timer, ms);
}
}
}
#ifdef QCA_SUPPORT_TXRX_VDEV_LL_TXQ
void ol_tx_pdev_throttle_tx_timer(void *context)
{
struct ol_txrx_pdev_t *pdev = (struct ol_txrx_pdev_t *)context;
ol_tx_pdev_ll_pause_queue_send_all(pdev);
}
#endif
void ol_tx_throttle_set_level(struct ol_txrx_pdev_t *pdev, int level)
{
int ms = 0;
if (level >= THROTTLE_LEVEL_MAX) {
TXRX_PRINT(TXRX_PRINT_LEVEL_WARN,
"%s invalid throttle level set %d, ignoring\n",
__func__, level);
return;
}
TXRX_PRINT(TXRX_PRINT_LEVEL_ERR, "Setting throttle level %d\n", level);
/* Set the current throttle level */
pdev->tx_throttle.current_throttle_level = (throttle_level)level;
if (pdev->cfg.is_high_latency) {
adf_os_timer_cancel(&pdev->tx_throttle.phase_timer);
/* Set the phase */
if (level != THROTTLE_LEVEL_0) {
pdev->tx_throttle.current_throttle_phase = THROTTLE_PHASE_OFF;
ms = pdev->tx_throttle.throttle_time_ms[level][THROTTLE_PHASE_OFF];
/* pause all */
ol_txrx_throttle_pause(pdev);
adf_os_timer_mod(&pdev->tx_throttle.phase_timer, ms);
} else {
pdev->tx_throttle.current_throttle_phase = THROTTLE_PHASE_ON;
ms = pdev->tx_throttle.throttle_time_ms[level][THROTTLE_PHASE_ON];
/* unpause all */
ol_txrx_throttle_unpause(pdev);
}
} else {
/* Reset the phase */
pdev->tx_throttle.current_throttle_phase = THROTTLE_PHASE_OFF;
/* Start with the new time */
ms = pdev->tx_throttle.throttle_time_ms[level][THROTTLE_PHASE_OFF];
adf_os_timer_cancel(&pdev->tx_throttle.phase_timer);
adf_os_timer_mod(&pdev->tx_throttle.phase_timer, ms);
}
}
void ol_tx_throttle_init_period(struct ol_txrx_pdev_t *pdev, int period,
u_int8_t *dutycycle_level)
{
int i;
/* Set the current throttle level */
pdev->tx_throttle.throttle_period_ms = period;
TXRX_PRINT(TXRX_PRINT_LEVEL_WARN, "level OFF ON\n");
for (i = 0; i < THROTTLE_LEVEL_MAX; i++) {
pdev->tx_throttle.throttle_time_ms[i][THROTTLE_PHASE_ON] =
pdev->tx_throttle.throttle_period_ms -
((dutycycle_level[i] * pdev->tx_throttle.throttle_period_ms)
/100);
pdev->tx_throttle.throttle_time_ms[i][THROTTLE_PHASE_OFF] =
pdev->tx_throttle.throttle_period_ms -
pdev->tx_throttle.throttle_time_ms[i][THROTTLE_PHASE_ON];
TXRX_PRINT(TXRX_PRINT_LEVEL_WARN, "%d %d %d\n", i,
pdev->tx_throttle.throttle_time_ms[i][THROTTLE_PHASE_OFF],
pdev->tx_throttle.throttle_time_ms[i][THROTTLE_PHASE_ON]);
}
}
void ol_tx_throttle_init(struct ol_txrx_pdev_t *pdev)
{
u_int32_t throttle_period;
u_int8_t dutycycle_level[THROTTLE_LEVEL_MAX];
int i;
pdev->tx_throttle.current_throttle_level = THROTTLE_LEVEL_0;
pdev->tx_throttle.current_throttle_phase = THROTTLE_PHASE_OFF;
adf_os_spinlock_init(&pdev->tx_throttle.mutex);
throttle_period = ol_cfg_throttle_period_ms(pdev->ctrl_pdev);
for (i = 0; i < THROTTLE_LEVEL_MAX; i++)
dutycycle_level[i] = ol_cfg_throttle_duty_cycle_level(pdev->ctrl_pdev,
i);
ol_tx_throttle_init_period(pdev, throttle_period, &dutycycle_level[0]);
adf_os_timer_init(
pdev->osdev,
&pdev->tx_throttle.phase_timer,
ol_tx_pdev_throttle_phase_timer,
pdev, ADF_DEFERRABLE_TIMER);
#ifdef QCA_SUPPORT_TXRX_VDEV_LL_TXQ
adf_os_timer_init(
pdev->osdev,
&pdev->tx_throttle.tx_timer,
ol_tx_pdev_throttle_tx_timer,
pdev, ADF_DEFERRABLE_TIMER);
#endif
pdev->tx_throttle.tx_threshold = THROTTLE_TX_THRESHOLD;
}
#endif /* QCA_SUPPORT_TX_THROTTLE */
/*--- End of LL tx throttle queue code ---------------------------------------*/
#if defined(CONFIG_HL_SUPPORT)
/*--- ADDBA triggering functions --------------------------------------------*/
/*=== debug functions =======================================================*/
/*--- queue event log -------------------------------------------------------*/
#if defined(DEBUG_HL_LOGGING)
static void
ol_tx_queue_log_entry_type_info(
u_int8_t *type, int *size, int *align, int var_size)
{
switch (*type) {
case ol_tx_log_entry_type_enqueue:
case ol_tx_log_entry_type_dequeue:
case ol_tx_log_entry_type_queue_free:
*size = sizeof(struct ol_tx_log_queue_add_t);
*align = 2;
break;
case ol_tx_log_entry_type_queue_state:
*size = offsetof(struct ol_tx_log_queue_state_var_sz_t, data);
*align = 4;
if (var_size) {
/* read the variable-sized record, to see how large it is */
int align_pad;
struct ol_tx_log_queue_state_var_sz_t *record;
align_pad =
(*align - (uint32_t)(((unsigned long) type) + 1)) & (*align - 1);
record = (struct ol_tx_log_queue_state_var_sz_t *)
(type + 1 + align_pad);
*size += record->num_cats_active *
(sizeof(u_int32_t) /* bytes */ + sizeof(u_int16_t) /* frms */);
}
break;
//case ol_tx_log_entry_type_drop:
default:
*size = 0;
*align = 0;
};
}
static void
ol_tx_queue_log_oldest_update(struct ol_txrx_pdev_t *pdev, int offset)
{
int oldest_record_offset;
/*
* If the offset of the oldest record is between the current and
* new values of the offset of the newest record, then the oldest
* record has to be dropped from the log to provide room for the
* newest record.
* Advance the offset of the oldest record until it points to a
* record that is beyond the new value of the offset of the newest
* record.
*/
if (!pdev->txq_log.wrapped) {
/*
* The log has not even filled up yet - no need to remove
* the oldest record to make room for a new record.
*/
return;
}
if (offset > pdev->txq_log.offset) {
/*
* not wraparound -
* The oldest record offset may have already wrapped around,
* even if the newest record has not. In this case, then
* the oldest record offset is fine where it is.
*/
if (pdev->txq_log.oldest_record_offset == 0) {
return;
}
oldest_record_offset = pdev->txq_log.oldest_record_offset;
} else {
/* wraparound */
oldest_record_offset = 0;
}
while (oldest_record_offset < offset) {
int size, align, align_pad;
u_int8_t type;
type = pdev->txq_log.data[oldest_record_offset];
if (type == ol_tx_log_entry_type_wrap) {
oldest_record_offset = 0;
break;
}
ol_tx_queue_log_entry_type_info(
&pdev->txq_log.data[oldest_record_offset], &size, &align, 1);
align_pad =
(align - ((oldest_record_offset + 1/*type*/))) & (align - 1);
/*
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO_LOW,
"TXQ LOG old alloc: offset %d, type %d, size %d (%d)\n",
oldest_record_offset, type, size, size + 1 + align_pad);
*/
oldest_record_offset += size + 1 + align_pad;
}
if (oldest_record_offset >= pdev->txq_log.size) {
oldest_record_offset = 0;
}
pdev->txq_log.oldest_record_offset = oldest_record_offset;
}
void*
ol_tx_queue_log_alloc(
struct ol_txrx_pdev_t *pdev,
u_int8_t type /* ol_tx_log_entry_type */,
int extra_bytes)
{
int size, align, align_pad;
int offset;
ol_tx_queue_log_entry_type_info(&type, &size, &align, 0);
size += extra_bytes;
offset = pdev->txq_log.offset;
align_pad = (align - ((offset + 1/*type*/))) & (align - 1);
if (pdev->txq_log.size - offset >= size + 1 + align_pad) {
/* no need to wrap around */
goto alloc_found;
}
if (! pdev->txq_log.allow_wrap) {
return NULL; /* log is full and can't wrap */
}
/* handle wrap-around */
pdev->txq_log.wrapped = 1;
offset = 0;
align_pad = (align - ((offset + 1/*type*/))) & (align - 1);
/* sanity check that the log is large enough to hold this entry */
if (pdev->txq_log.size <= size + 1 + align_pad) {
return NULL;
}
alloc_found:
ol_tx_queue_log_oldest_update(pdev, offset + size + 1 + align_pad);
if (offset == 0) {
pdev->txq_log.data[pdev->txq_log.offset] = ol_tx_log_entry_type_wrap;
}
/*
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO_LOW,
"TXQ LOG new alloc: offset %d, type %d, size %d (%d)\n",
offset, type, size, size + 1 + align_pad);
*/
pdev->txq_log.data[offset] = type;
pdev->txq_log.offset = offset + size + 1 + align_pad;
if (pdev->txq_log.offset >= pdev->txq_log.size) {
pdev->txq_log.offset = 0;
pdev->txq_log.wrapped = 1;
}
return &pdev->txq_log.data[offset + 1 + align_pad];
}
static int
ol_tx_queue_log_record_display(struct ol_txrx_pdev_t *pdev, int offset)
{
int size, align, align_pad;
u_int8_t type;
struct ol_txrx_peer_t *peer;
adf_os_spin_lock_bh(&pdev->txq_log_spinlock);
type = pdev->txq_log.data[offset];
ol_tx_queue_log_entry_type_info(
&pdev->txq_log.data[offset], &size, &align, 1);
align_pad = (align - ((offset + 1/*type*/))) & (align - 1);
switch (type) {
case ol_tx_log_entry_type_enqueue:
{
struct ol_tx_log_queue_add_t record;
adf_os_mem_copy(&record,
&pdev->txq_log.data[offset + 1 + align_pad],
sizeof(struct ol_tx_log_queue_add_t));
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
if (record.peer_id != 0xffff) {
peer = ol_txrx_peer_find_by_id(pdev, record.peer_id);
if (peer != NULL)
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" Q: %6d %5d %3d %4d (%02x:%02x:%02x:%02x:%02x:%02x)",
record.num_frms, record.num_bytes, record.tid,
record.peer_id,
peer->mac_addr.raw[0], peer->mac_addr.raw[1],
peer->mac_addr.raw[2], peer->mac_addr.raw[3],
peer->mac_addr.raw[4], peer->mac_addr.raw[5]);
else
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" Q: %6d %5d %3d %4d",
record.num_frms, record.num_bytes,
record.tid, record.peer_id);
} else {
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO,
" Q: %6d %5d %3d from vdev",
record.num_frms, record.num_bytes, record.tid);
}
break;
}
case ol_tx_log_entry_type_dequeue:
{
struct ol_tx_log_queue_add_t record;
adf_os_mem_copy(&record,
&pdev->txq_log.data[offset + 1 + align_pad],
sizeof(struct ol_tx_log_queue_add_t));
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
if (record.peer_id != 0xffff) {
peer = ol_txrx_peer_find_by_id(pdev, record.peer_id);
if (peer != NULL)
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" DQ: %6d %5d %3d %4d (%02x:%02x:%02x:%02x:%02x:%02x)",
record.num_frms, record.num_bytes, record.tid,
record.peer_id,
peer->mac_addr.raw[0], peer->mac_addr.raw[1],
peer->mac_addr.raw[2], peer->mac_addr.raw[3],
peer->mac_addr.raw[4], peer->mac_addr.raw[5]);
else
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" DQ: %6d %5d %3d %4d",
record.num_frms, record.num_bytes,
record.tid, record.peer_id);
} else {
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO,
" DQ: %6d %5d %3d from vdev",
record.num_frms, record.num_bytes, record.tid);
}
break;
}
case ol_tx_log_entry_type_queue_free:
{
struct ol_tx_log_queue_add_t record;
adf_os_mem_copy(&record,
&pdev->txq_log.data[offset + 1 + align_pad],
sizeof(struct ol_tx_log_queue_add_t));
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
if (record.peer_id != 0xffff) {
peer = ol_txrx_peer_find_by_id(pdev, record.peer_id);
if (peer != NULL)
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" F: %6d %5d %3d %4d (%02x:%02x:%02x:%02x:%02x:%02x)",
record.num_frms, record.num_bytes, record.tid,
record.peer_id,
peer->mac_addr.raw[0], peer->mac_addr.raw[1],
peer->mac_addr.raw[2], peer->mac_addr.raw[3],
peer->mac_addr.raw[4], peer->mac_addr.raw[5]);
else
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" F: %6d %5d %3d %4d",
record.num_frms, record.num_bytes,
record.tid, record.peer_id);
} else {
/* shouldn't happen */
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO,
"Unexpected vdev queue removal\n");
}
break;
}
case ol_tx_log_entry_type_queue_state:
{
int i, j;
u_int32_t active_bitmap;
struct ol_tx_log_queue_state_var_sz_t record;
u_int8_t *data;
adf_os_mem_copy(&record,
&pdev->txq_log.data[offset + 1 + align_pad],
sizeof(struct ol_tx_log_queue_state_var_sz_t));
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" S: bitmap = %#x",
record.active_bitmap);
data = &record.data[0];
j = 0;
i = 0;
active_bitmap = record.active_bitmap;
while (active_bitmap) {
if (active_bitmap & 0x1) {
u_int16_t frms;
u_int32_t bytes;
frms = data[0] | (data[1] << 8);
bytes = (data[2] << 0) | (data[3] << 8) |
(data[4] << 16) | (data[5] << 24);
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" cat %2d: %6d %5d",
i, frms, bytes);
data += 6;
j++;
}
i++;
active_bitmap >>= 1;
}
break;
}
//case ol_tx_log_entry_type_drop:
case ol_tx_log_entry_type_wrap:
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
return -1 * offset; /* go back to the top */
default:
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" *** invalid tx log entry type (%d)\n", type);
return 0; /* error */
};
return size + 1 + align_pad;
}
void
ol_tx_queue_log_display(struct ol_txrx_pdev_t *pdev)
{
int offset;
int unwrap;
adf_os_spin_lock_bh(&pdev->txq_log_spinlock);
offset = pdev->txq_log.oldest_record_offset;
unwrap = pdev->txq_log.wrapped;
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
/*
* In theory, this should use mutex to guard against the offset
* being changed while in use, but since this is just for debugging,
* don't bother.
*/
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
"Current target credit: %d",
adf_os_atomic_read(&pdev->target_tx_credit));
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
"Tx queue log:");
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_ERROR,
" : Frames Bytes TID PEER");
while (unwrap || offset != pdev->txq_log.offset) {
int delta = ol_tx_queue_log_record_display(pdev, offset);
if (delta == 0) {
return; /* error */
}
if (delta < 0) {
unwrap = 0;
}
offset += delta;
}
}
void
ol_tx_queue_log_enqueue(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_msdu_info_t *msdu_info,
int frms, int bytes)
{
int tid;
u_int16_t peer_id = msdu_info->htt.info.peer_id;
struct ol_tx_log_queue_add_t *log_elem;
tid = msdu_info->htt.info.ext_tid;
adf_os_spin_lock_bh(&pdev->txq_log_spinlock);
log_elem = ol_tx_queue_log_alloc(pdev, ol_tx_log_entry_type_enqueue, 0);
if (!log_elem) {
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
return;
}
log_elem->num_frms = frms;
log_elem->num_bytes = bytes;
log_elem->peer_id = peer_id;
log_elem->tid = tid;
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
}
void
ol_tx_queue_log_dequeue(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
int frms, int bytes)
{
int ext_tid;
u_int16_t peer_id;
struct ol_tx_log_queue_add_t *log_elem;
ext_tid = txq->ext_tid;
adf_os_spin_lock_bh(&pdev->txq_log_spinlock);
log_elem = ol_tx_queue_log_alloc(pdev, ol_tx_log_entry_type_dequeue, 0);
if (!log_elem) {
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
return;
}
if (ext_tid < OL_TX_NUM_TIDS) {
struct ol_txrx_peer_t *peer;
struct ol_tx_frms_queue_t *txq_base;
txq_base = txq - ext_tid;
peer = container_of(txq_base, struct ol_txrx_peer_t, txqs[0]);
peer_id = peer->peer_ids[0];
} else {
peer_id = ~0;
}
log_elem->num_frms = frms;
log_elem->num_bytes = bytes;
log_elem->peer_id = peer_id;
log_elem->tid = ext_tid;
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
}
void
ol_tx_queue_log_free(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
int tid, int frms, int bytes, bool is_peer_txq)
{
u_int16_t peer_id;
struct ol_tx_log_queue_add_t *log_elem;
adf_os_spin_lock_bh(&pdev->txq_log_spinlock);
log_elem = ol_tx_queue_log_alloc(pdev, ol_tx_log_entry_type_queue_free, 0);
if (!log_elem) {
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
return;
}
if ((tid < OL_TX_NUM_TIDS) && is_peer_txq) {
struct ol_txrx_peer_t *peer;
struct ol_tx_frms_queue_t *txq_base;
txq_base = txq - tid;
peer = container_of(txq_base, struct ol_txrx_peer_t, txqs[0]);
peer_id = peer->peer_ids[0];
} else {
peer_id = ~0;
}
log_elem->num_frms = frms;
log_elem->num_bytes = bytes;
log_elem->peer_id = peer_id;
log_elem->tid = tid;
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
}
void
ol_tx_queue_log_sched(
struct ol_txrx_pdev_t *pdev,
int credit,
int *num_cats,
u_int32_t **active_bitmap,
u_int8_t **data)
{
int data_size;
struct ol_tx_log_queue_state_var_sz_t *log_elem;
data_size = sizeof(u_int32_t) /* bytes */ + sizeof(u_int16_t) /* frms */;
data_size *= *num_cats;
adf_os_spin_lock_bh(&pdev->txq_log_spinlock);
log_elem = ol_tx_queue_log_alloc(
pdev, ol_tx_log_entry_type_queue_state, data_size);
if (!log_elem) {
*num_cats = 0;
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
return;
}
log_elem->num_cats_active = *num_cats;
log_elem->active_bitmap = 0;
log_elem->credit = credit;
*active_bitmap = &log_elem->active_bitmap;
*data = &log_elem->data[0];
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
}
void
ol_tx_queue_log_clear(struct ol_txrx_pdev_t *pdev)
{
adf_os_spin_lock_bh(&pdev->txq_log_spinlock);
adf_os_mem_zero(&pdev->txq_log, sizeof(pdev->txq_log));
pdev->txq_log.size = OL_TXQ_LOG_SIZE;
pdev->txq_log.oldest_record_offset = 0;
pdev->txq_log.offset = 0;
pdev->txq_log.allow_wrap = 1;
pdev->txq_log.wrapped = 0;
adf_os_spin_unlock_bh(&pdev->txq_log_spinlock);
}
#endif /* defined(DEBUG_HL_LOGGING) */
/*--- queue state printouts -------------------------------------------------*/
#if TXRX_DEBUG_LEVEL > 5
void
ol_tx_queue_display(struct ol_tx_frms_queue_t *txq, int indent)
{
char *state;
state = (txq->flag == ol_tx_queue_active) ? "active" : "paused";
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO_LOW,
"%*stxq %pK (%s): %d frms, %d bytes\n",
indent, " ", txq, state, txq->frms, txq->bytes);
}
void
ol_tx_queues_display(struct ol_txrx_pdev_t *pdev)
{
struct ol_txrx_vdev_t *vdev;
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO_LOW,
"pdev %pK tx queues:\n", pdev);
TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) {
struct ol_txrx_peer_t *peer;
int i;
for (i = 0; i < ARRAY_LEN(vdev->txqs); i++) {
if (vdev->txqs[i].frms == 0) {
continue;
}
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO_LOW,
" vdev %d (%pK), txq %d\n", vdev->vdev_id, vdev, i);
ol_tx_queue_display(&vdev->txqs[i], 4);
}
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
for (i = 0; i < ARRAY_LEN(peer->txqs); i++) {
if (peer->txqs[i].frms == 0) {
continue;
}
VOS_TRACE(VOS_MODULE_ID_TXRX, VOS_TRACE_LEVEL_INFO_LOW,
" peer %d (%pK), txq %d\n",
peer->peer_ids[0], vdev, i);
ol_tx_queue_display(&peer->txqs[i], 6);
}
}
}
}
#endif
#endif /* defined(CONFIG_HL_SUPPORT) */
#ifdef FEATURE_HL_GROUP_CREDIT_FLOW_CONTROL
static a_bool_t
ol_tx_vdev_has_tx_queue_group(
struct ol_tx_queue_group_t* group,
u_int8_t vdev_id)
{
u_int16_t vdev_bitmap;
vdev_bitmap = OL_TXQ_GROUP_VDEV_ID_MASK_GET(group->membership);
if (OL_TXQ_GROUP_VDEV_ID_BIT_MASK_GET(vdev_bitmap, vdev_id)) {
return A_TRUE;
}
return A_FALSE;
}
static a_bool_t
ol_tx_ac_has_tx_queue_group(
struct ol_tx_queue_group_t* group,
u_int8_t ac)
{
u_int16_t ac_bitmap;
ac_bitmap = OL_TXQ_GROUP_AC_MASK_GET(group->membership);
if (OL_TXQ_GROUP_AC_BIT_MASK_GET(ac_bitmap, ac)) {
return A_TRUE;
}
return A_FALSE;
}
u_int32_t ol_tx_txq_group_credit_limit(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
u_int32_t credit)
{
u_int8_t i;
int updated_credit = credit;
/*
* If this tx queue belongs to a group, check whether the group's
* credit limit is more stringent than the global credit limit.
*/
for (i = 0; i < OL_TX_MAX_GROUPS_PER_QUEUE; i++) {
if (txq->group_ptrs[i]) {
int group_credit;
group_credit = adf_os_atomic_read(&txq->group_ptrs[i]->credit);
updated_credit = MIN(updated_credit, group_credit);
}
}
credit = (updated_credit < 0) ? 0 : updated_credit;
return credit;
}
void ol_tx_txq_group_credit_update(
struct ol_txrx_pdev_t *pdev,
struct ol_tx_frms_queue_t *txq,
int32_t credit,
u_int8_t absolute)
{
u_int8_t i;
/*
* If this tx queue belongs to a group then
* update group credit
*/
for (i = 0; i < OL_TX_MAX_GROUPS_PER_QUEUE; i++) {
if (txq->group_ptrs[i]) {
ol_txrx_update_group_credit(txq->group_ptrs[i], credit, absolute);
}
}
OL_TX_UPDATE_GROUP_CREDIT_STATS(pdev);
}
void
ol_tx_set_vdev_group_ptr(
ol_txrx_pdev_handle pdev,
u_int8_t vdev_id,
struct ol_tx_queue_group_t *grp_ptr)
{
struct ol_txrx_vdev_t *vdev = NULL;
struct ol_txrx_peer_t *peer = NULL;
TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) {
if (vdev->vdev_id == vdev_id) {
u_int8_t i, j;
/* update vdev queues group pointers */
for (i = 0; i < OL_TX_VDEV_NUM_QUEUES; i++) {
for (j = 0; j < OL_TX_MAX_GROUPS_PER_QUEUE; j++) {
vdev->txqs[i].group_ptrs[j] = grp_ptr;
}
}
adf_os_spin_lock_bh(&pdev->peer_ref_mutex);
/* Update peer queue group pointers */
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
for (i = 0; i < OL_TX_NUM_TIDS; i++) {
for (j = 0; j < OL_TX_MAX_GROUPS_PER_QUEUE; j++) {
peer->txqs[i].group_ptrs[j] = grp_ptr;
}
}
}
adf_os_spin_unlock_bh(&pdev->peer_ref_mutex);
break;
}
}
}
void
ol_tx_txq_set_group_ptr(
struct ol_tx_frms_queue_t *txq,
struct ol_tx_queue_group_t *grp_ptr)
{
u_int8_t i;
for (i = 0; i < OL_TX_MAX_GROUPS_PER_QUEUE; i++) {
txq->group_ptrs[i] = grp_ptr;
}
}
void
ol_tx_set_peer_group_ptr(
ol_txrx_pdev_handle pdev,
struct ol_txrx_peer_t *peer,
u_int8_t vdev_id,
u_int8_t tid)
{
u_int8_t i, j = 0;
struct ol_tx_queue_group_t *group = NULL;
for (i = 0; i < OL_TX_MAX_GROUPS_PER_QUEUE; i++) {
peer->txqs[tid].group_ptrs[i] = NULL;
}
for (i = 0; i < OL_TX_MAX_TXQ_GROUPS; i++) {
group = &pdev->txq_grps[i];
if (ol_tx_vdev_has_tx_queue_group(group, vdev_id)) {
if (tid < OL_TX_NUM_QOS_TIDS) {
if (ol_tx_ac_has_tx_queue_group(
group, TXRX_TID_TO_WMM_AC(tid))) {
peer->txqs[tid].group_ptrs[j] = group;
j++;
}
} else {
peer->txqs[tid].group_ptrs[j] = group;
j++;
}
}
if (j >= OL_TX_MAX_GROUPS_PER_QUEUE) {
break;
}
}
}
u_int32_t ol_tx_get_max_tx_groups_supported(struct ol_txrx_pdev_t *pdev)
{
#ifdef HIF_SDIO
return OL_TX_MAX_TXQ_GROUPS;
#else
return 0;
#endif
}
#endif