rk3588-game
/
android13
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
android13/external/wifi_driver/aic8800/aic8800_fdrv/rwnx_txq.c

1346 lines
36 KiB
C
Raw Blame History

/**
******************************************************************************
*
* @file rwnx_txq.c
*
* Copyright (C) RivieraWaves 2016-2019
*
******************************************************************************
*/
#include "rwnx_defs.h"
#include "rwnx_tx.h"
#include "ipc_host.h"
#include "rwnx_events.h"
/******************************************************************************
* Utils functions
*****************************************************************************/
#ifdef CONFIG_RWNX_FULLMAC
const int nx_tid_prio[NX_NB_TID_PER_STA] = {7, 6, 5, 4, 3, 0, 2, 1};
static inline int rwnx_txq_sta_idx(struct rwnx_sta *sta, u8 tid)
{
if (is_multicast_sta(sta->sta_idx)){
if((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8801) ||
((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DW) && chip_id < 3)){
return NX_FIRST_VIF_TXQ_IDX_FOR_OLD_IC + sta->vif_idx;
}else{
return NX_FIRST_VIF_TXQ_IDX + sta->vif_idx;
}
}else{
return (sta->sta_idx * NX_NB_TXQ_PER_STA) + tid;
}
}
static inline int rwnx_txq_vif_idx(struct rwnx_vif *vif, u8 type)
{
if((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8801) ||
((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DW) && chip_id < 3)){
return NX_FIRST_VIF_TXQ_IDX_FOR_OLD_IC + master_vif_idx(vif) + (type * NX_VIRT_DEV_MAX);
}else{
return NX_FIRST_VIF_TXQ_IDX + master_vif_idx(vif) + (type * NX_VIRT_DEV_MAX);
}
}
struct rwnx_txq *rwnx_txq_sta_get(struct rwnx_sta *sta, u8 tid,
struct rwnx_hw *rwnx_hw)
{
if (tid >= NX_NB_TXQ_PER_STA)
tid = 0;
return &rwnx_hw->txq[rwnx_txq_sta_idx(sta, tid)];
}
struct rwnx_txq *rwnx_txq_vif_get(struct rwnx_vif *vif, u8 type)
{
if (type > NX_UNK_TXQ_TYPE)
type = NX_BCMC_TXQ_TYPE;
return &vif->rwnx_hw->txq[rwnx_txq_vif_idx(vif, type)];
}
static inline struct rwnx_sta *rwnx_txq_2_sta(struct rwnx_txq *txq)
{
return txq->sta;
}
#endif /* CONFIG_RWNX_FULLMAC */
/******************************************************************************
* Init/Deinit functions
*****************************************************************************/
/**
* rwnx_txq_init - Initialize a TX queue
*
* @txq: TX queue to be initialized
* @idx: TX queue index
* @status: TX queue initial status
* @hwq: Associated HW queue
* @ndev: Net device this queue belongs to
* (may be null for non netdev txq)
*
* Each queue is initialized with the credit of @NX_TXQ_INITIAL_CREDITS.
*/
static void rwnx_txq_init(struct rwnx_txq *txq, int idx, u8 status,
struct rwnx_hwq *hwq, int tid,
#ifdef CONFIG_RWNX_FULLMAC
struct rwnx_sta *sta, struct net_device *ndev
#endif
)
{
int i;
int nx_first_unk_txq_idx = NX_FIRST_UNK_TXQ_IDX;
int nx_bcmc_txq_ndev_idx = NX_BCMC_TXQ_NDEV_IDX;
int nx_first_vif_txq_idx = NX_FIRST_VIF_TXQ_IDX;
if((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8801) ||
((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DW) && chip_id < 3)){
nx_first_unk_txq_idx = NX_FIRST_UNK_TXQ_IDX_FOR_OLD_IC;
nx_bcmc_txq_ndev_idx = NX_BCMC_TXQ_NDEV_IDX_FOR_OLD_IC;
nx_first_vif_txq_idx = NX_FIRST_VIF_TXQ_IDX_FOR_OLD_IC;
}
txq->idx = idx;
txq->status = status;
txq->credits = NX_TXQ_INITIAL_CREDITS;
txq->pkt_sent = 0;
skb_queue_head_init(&txq->sk_list);
txq->last_retry_skb = NULL;
txq->nb_retry = 0;
txq->hwq = hwq;
txq->sta = sta;
for (i = 0; i < CONFIG_USER_MAX ; i++)
txq->pkt_pushed[i] = 0;
txq->push_limit = 0;
txq->tid = tid;
#ifdef CONFIG_MAC80211_TXQ
txq->nb_ready_mac80211 = 0;
#endif
#ifdef CONFIG_RWNX_FULLMAC
txq->ps_id = LEGACY_PS_ID;
if (idx < nx_first_vif_txq_idx) {
int sta_idx = sta->sta_idx;
int tid = idx - (sta_idx * NX_NB_TXQ_PER_STA);
if (tid < NX_NB_TID_PER_STA)
txq->ndev_idx = NX_STA_NDEV_IDX(tid, sta_idx);
else
txq->ndev_idx = NDEV_NO_TXQ;
} else if (idx < nx_first_unk_txq_idx) {
txq->ndev_idx = nx_bcmc_txq_ndev_idx;
} else {
txq->ndev_idx = NDEV_NO_TXQ;
}
txq->ndev = ndev;
#ifdef CONFIG_RWNX_AMSDUS_TX
txq->amsdu = NULL;
txq->amsdu_len = 0;
#endif /* CONFIG_RWNX_AMSDUS_TX */
#endif /* CONFIG_RWNX_FULLMAC */
}
/**
* rwnx_txq_flush - Flush all buffers queued for a TXQ
*
* @rwnx_hw: main driver data
* @txq: txq to flush
*/
void rwnx_txq_flush(struct rwnx_hw *rwnx_hw, struct rwnx_txq *txq)
{
struct sk_buff *skb;
while ((skb = skb_dequeue(&txq->sk_list)) != NULL) {
struct rwnx_sw_txhdr *sw_txhdr = ((struct rwnx_txhdr *)skb->data)->sw_hdr;
#ifdef CONFIG_RWNX_AMSDUS_TX
if (sw_txhdr->desc.host.packet_cnt > 1) {
struct rwnx_amsdu_txhdr *amsdu_txhdr;
list_for_each_entry(amsdu_txhdr, &sw_txhdr->amsdu.hdrs, list) {
//dma_unmap_single(rwnx_hw->dev, amsdu_txhdr->dma_addr,
// amsdu_txhdr->map_len, DMA_TO_DEVICE);
dev_kfree_skb_any(amsdu_txhdr->skb);
}
}
#endif
kmem_cache_free(rwnx_hw->sw_txhdr_cache, sw_txhdr);
//dma_unmap_single(rwnx_hw->dev, sw_txhdr->dma_addr, sw_txhdr->map_len,
// DMA_TO_DEVICE);
#ifdef CONFIG_RWNX_FULLMAC
dev_kfree_skb_any(skb);
#endif /* CONFIG_RWNX_FULLMAC */
}
}
/**
* rwnx_txq_deinit - De-initialize a TX queue
*
* @rwnx_hw: Driver main data
* @txq: TX queue to be de-initialized
* Any buffer stuck in a queue will be freed.
*/
static void rwnx_txq_deinit(struct rwnx_hw *rwnx_hw, struct rwnx_txq *txq)
{
if (txq->idx == TXQ_INACTIVE)
return;
spin_lock_bh(&rwnx_hw->tx_lock);
rwnx_txq_del_from_hw_list(txq);
txq->idx = TXQ_INACTIVE;
spin_unlock_bh(&rwnx_hw->tx_lock);
rwnx_txq_flush(rwnx_hw, txq);
}
/**
* rwnx_txq_vif_init - Initialize all TXQ linked to a vif
*
* @rwnx_hw: main driver data
* @rwnx_vif: Pointer on VIF
* @status: Intial txq status
*
* Softmac : 1 VIF TXQ per HWQ
*
* Fullmac : 1 VIF TXQ for BC/MC
* 1 VIF TXQ for MGMT to unknown STA
*/
void rwnx_txq_vif_init(struct rwnx_hw *rwnx_hw, struct rwnx_vif *rwnx_vif,
u8 status)
{
struct rwnx_txq *txq;
int idx;
#ifdef CONFIG_RWNX_FULLMAC
txq = rwnx_txq_vif_get(rwnx_vif, NX_BCMC_TXQ_TYPE);
idx = rwnx_txq_vif_idx(rwnx_vif, NX_BCMC_TXQ_TYPE);
rwnx_txq_init(txq, idx, status, &rwnx_hw->hwq[RWNX_HWQ_BE], 0,
&rwnx_hw->sta_table[rwnx_vif->ap.bcmc_index], rwnx_vif->ndev);
txq = rwnx_txq_vif_get(rwnx_vif, NX_UNK_TXQ_TYPE);
idx = rwnx_txq_vif_idx(rwnx_vif, NX_UNK_TXQ_TYPE);
rwnx_txq_init(txq, idx, status, &rwnx_hw->hwq[RWNX_HWQ_VO], TID_MGT,
NULL, rwnx_vif->ndev);
#endif /* CONFIG_RWNX_FULLMAC */
}
/**
* rwnx_txq_vif_deinit - Deinitialize all TXQ linked to a vif
*
* @rwnx_hw: main driver data
* @rwnx_vif: Pointer on VIF
*/
void rwnx_txq_vif_deinit(struct rwnx_hw *rwnx_hw, struct rwnx_vif *rwnx_vif)
{
struct rwnx_txq *txq;
#ifdef CONFIG_RWNX_FULLMAC
txq = rwnx_txq_vif_get(rwnx_vif, NX_BCMC_TXQ_TYPE);
rwnx_txq_deinit(rwnx_hw, txq);
txq = rwnx_txq_vif_get(rwnx_vif, NX_UNK_TXQ_TYPE);
rwnx_txq_deinit(rwnx_hw, txq);
#endif /* CONFIG_RWNX_FULLMAC */
}
/**
* rwnx_txq_sta_init - Initialize TX queues for a STA
*
* @rwnx_hw: Main driver data
* @rwnx_sta: STA for which tx queues need to be initialized
* @status: Intial txq status
*
* This function initialize all the TXQ associated to a STA.
* Softmac : 1 TXQ per TID
*
* Fullmac : 1 TXQ per TID (limited to 8)
* 1 TXQ for MGMT
*/
void rwnx_txq_sta_init(struct rwnx_hw *rwnx_hw, struct rwnx_sta *rwnx_sta,
u8 status)
{
struct rwnx_txq *txq;
int tid, idx;
#ifdef CONFIG_RWNX_FULLMAC
struct rwnx_vif *rwnx_vif = rwnx_hw->vif_table[rwnx_sta->vif_idx];
idx = rwnx_txq_sta_idx(rwnx_sta, 0);
foreach_sta_txq(rwnx_sta, txq, tid, rwnx_hw) {
rwnx_txq_init(txq, idx, status, &rwnx_hw->hwq[rwnx_tid2hwq[tid]], tid,
rwnx_sta, rwnx_vif->ndev);
txq->ps_id = rwnx_sta->uapsd_tids & (1 << tid) ? UAPSD_ID : LEGACY_PS_ID;
idx++;
}
#endif /* CONFIG_RWNX_FULLMAC*/
}
/**
* rwnx_txq_sta_deinit - Deinitialize TX queues for a STA
*
* @rwnx_hw: Main driver data
* @rwnx_sta: STA for which tx queues need to be deinitialized
*/
void rwnx_txq_sta_deinit(struct rwnx_hw *rwnx_hw, struct rwnx_sta *rwnx_sta)
{
struct rwnx_txq *txq;
int tid;
foreach_sta_txq(rwnx_sta, txq, tid, rwnx_hw) {
rwnx_txq_deinit(rwnx_hw, txq);
}
}
#ifdef CONFIG_RWNX_FULLMAC
/**
* rwnx_txq_unk_vif_init - Initialize TXQ for unknown STA linked to a vif
*
* @rwnx_vif: Pointer on VIF
*/
void rwnx_txq_unk_vif_init(struct rwnx_vif *rwnx_vif)
{
struct rwnx_hw *rwnx_hw = rwnx_vif->rwnx_hw;
struct rwnx_txq *txq;
int idx;
txq = rwnx_txq_vif_get(rwnx_vif, NX_UNK_TXQ_TYPE);
idx = rwnx_txq_vif_idx(rwnx_vif, NX_UNK_TXQ_TYPE);
rwnx_txq_init(txq, idx, 0, &rwnx_hw->hwq[RWNX_HWQ_VO], TID_MGT, NULL, rwnx_vif->ndev);
}
/**
* rwnx_txq_tdls_vif_deinit - Deinitialize TXQ for unknown STA linked to a vif
*
* @rwnx_vif: Pointer on VIF
*/
void rwnx_txq_unk_vif_deinit(struct rwnx_vif *rwnx_vif)
{
struct rwnx_txq *txq;
txq = rwnx_txq_vif_get(rwnx_vif, NX_UNK_TXQ_TYPE);
rwnx_txq_deinit(rwnx_vif->rwnx_hw, txq);
}
/**
* rwnx_init_unk_txq - Initialize TX queue for the transmission on a offchannel
*
* @vif: Interface for which the queue has to be initialized
*
* NOTE: Offchannel txq is only active for the duration of the ROC
*/
void rwnx_txq_offchan_init(struct rwnx_vif *rwnx_vif)
{
struct rwnx_hw *rwnx_hw = rwnx_vif->rwnx_hw;
struct rwnx_txq *txq;
int nx_off_chan_txq_idx = NX_OFF_CHAN_TXQ_IDX;
if((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8801) ||
((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DW) && chip_id < 3)){
nx_off_chan_txq_idx = NX_OFF_CHAN_TXQ_IDX_FOR_OLD_IC;
}
txq = &rwnx_hw->txq[nx_off_chan_txq_idx];
rwnx_txq_init(txq, nx_off_chan_txq_idx, RWNX_TXQ_STOP_CHAN,
&rwnx_hw->hwq[RWNX_HWQ_VO], TID_MGT, NULL, rwnx_vif->ndev);
}
/**
* rwnx_deinit_offchan_txq - Deinitialize TX queue for offchannel
*
* @vif: Interface that manages the STA
*
* This function deintialize txq for one STA.
* Any buffer stuck in a queue will be freed.
*/
void rwnx_txq_offchan_deinit(struct rwnx_vif *rwnx_vif)
{
struct rwnx_txq *txq;
int nx_off_chan_txq_idx = NX_OFF_CHAN_TXQ_IDX;
if((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8801) ||
((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DW) && chip_id < 3)){
nx_off_chan_txq_idx = NX_OFF_CHAN_TXQ_IDX_FOR_OLD_IC;
}
txq = &rwnx_vif->rwnx_hw->txq[nx_off_chan_txq_idx];
rwnx_txq_deinit(rwnx_vif->rwnx_hw, txq);
}
/**
* rwnx_txq_tdls_vif_init - Initialize TXQ vif for TDLS
*
* @rwnx_vif: Pointer on VIF
*/
void rwnx_txq_tdls_vif_init(struct rwnx_vif *rwnx_vif)
{
struct rwnx_hw *rwnx_hw = rwnx_vif->rwnx_hw;
if (!(rwnx_hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return;
rwnx_txq_unk_vif_init(rwnx_vif);
}
/**
* rwnx_txq_tdls_vif_deinit - Deinitialize TXQ vif for TDLS
*
* @rwnx_vif: Pointer on VIF
*/
void rwnx_txq_tdls_vif_deinit(struct rwnx_vif *rwnx_vif)
{
struct rwnx_hw *rwnx_hw = rwnx_vif->rwnx_hw;
if (!(rwnx_hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return;
rwnx_txq_unk_vif_deinit(rwnx_vif);
}
#endif
/******************************************************************************
* Start/Stop functions
*****************************************************************************/
/**
* rwnx_txq_add_to_hw_list - Add TX queue to a HW queue schedule list.
*
* @txq: TX queue to add
*
* Add the TX queue if not already present in the HW queue list.
* To be called with tx_lock hold
*/
void rwnx_txq_add_to_hw_list(struct rwnx_txq *txq)
{
if (!(txq->status & RWNX_TXQ_IN_HWQ_LIST)) {
#ifdef CREATE_TRACE_POINTS
trace_txq_add_to_hw(txq);
#endif
txq->status |= RWNX_TXQ_IN_HWQ_LIST;
list_add_tail(&txq->sched_list, &txq->hwq->list);
txq->hwq->need_processing = true;
}
}
/**
* rwnx_txq_del_from_hw_list - Delete TX queue from a HW queue schedule list.
*
* @txq: TX queue to delete
*
* Remove the TX queue from the HW queue list if present.
* To be called with tx_lock hold
*/
void rwnx_txq_del_from_hw_list(struct rwnx_txq *txq)
{
if (txq->status & RWNX_TXQ_IN_HWQ_LIST) {
#ifdef CREATE_TRACE_POINTS
trace_txq_del_from_hw(txq);
#endif
txq->status &= ~RWNX_TXQ_IN_HWQ_LIST;
list_del(&txq->sched_list);
}
}
/**
* rwnx_txq_skb_ready - Check if skb are available for the txq
*
* @txq: Pointer on txq
* @return True if there are buffer ready to be pushed on this txq,
* false otherwise
*/
static inline bool rwnx_txq_skb_ready(struct rwnx_txq *txq)
{
#ifdef CONFIG_MAC80211_TXQ
if (txq->nb_ready_mac80211 != NOT_MAC80211_TXQ)
return ((txq->nb_ready_mac80211 > 0) || !skb_queue_empty(&txq->sk_list));
else
#endif
return !skb_queue_empty(&txq->sk_list);
}
/**
* rwnx_txq_start - Try to Start one TX queue
*
* @txq: TX queue to start
* @reason: reason why the TX queue is started (among RWNX_TXQ_STOP_xxx)
*
* Re-start the TX queue for one reason.
* If after this the txq is no longer stopped and some buffers are ready,
* the TX queue is also added to HW queue list.
* To be called with tx_lock hold
*/
void rwnx_txq_start(struct rwnx_txq *txq, u16 reason)
{
BUG_ON(txq == NULL);
if (txq->idx != TXQ_INACTIVE && (txq->status & reason)) {
#ifdef CREATE_TRACE_POINTS
trace_txq_start(txq, reason);
#endif
txq->status &= ~reason;
if (!rwnx_txq_is_stopped(txq) && rwnx_txq_skb_ready(txq))
rwnx_txq_add_to_hw_list(txq);
}
}
/**
* rwnx_txq_stop - Stop one TX queue
*
* @txq: TX queue to stop
* @reason: reason why the TX queue is stopped (among RWNX_TXQ_STOP_xxx)
*
* Stop the TX queue. It will remove the TX queue from HW queue list
* To be called with tx_lock hold
*/
void rwnx_txq_stop(struct rwnx_txq *txq, u16 reason)
{
BUG_ON(txq == NULL);
if (txq->idx != TXQ_INACTIVE) {
#ifdef CREATE_TRACE_POINTS
trace_txq_stop(txq, reason);
#endif
txq->status |= reason;
rwnx_txq_del_from_hw_list(txq);
}
}
/**
* rwnx_txq_sta_start - Start all the TX queue linked to a STA
*
* @sta: STA whose TX queues must be re-started
* @reason: Reason why the TX queue are restarted (among RWNX_TXQ_STOP_xxx)
* @rwnx_hw: Driver main data
*
* This function will re-start all the TX queues of the STA for the reason
* specified. It can be :
* - RWNX_TXQ_STOP_STA_PS: the STA is no longer in power save mode
* - RWNX_TXQ_STOP_VIF_PS: the VIF is in power save mode (p2p absence)
* - RWNX_TXQ_STOP_CHAN: the STA's VIF is now on the current active channel
*
* Any TX queue with buffer ready and not Stopped for other reasons, will be
* added to the HW queue list
* To be called with tx_lock hold
*/
void rwnx_txq_sta_start(struct rwnx_sta *rwnx_sta, u16 reason
#ifdef CONFIG_RWNX_FULLMAC
, struct rwnx_hw *rwnx_hw
#endif
)
{
struct rwnx_txq *txq;
int tid;
#ifdef CREATE_TRACE_POINTS
trace_txq_sta_start(rwnx_sta->sta_idx);
#endif
foreach_sta_txq(rwnx_sta, txq, tid, rwnx_hw) {
rwnx_txq_start(txq, reason);
}
}
/**
* rwnx_stop_sta_txq - Stop all the TX queue linked to a STA
*
* @sta: STA whose TX queues must be stopped
* @reason: Reason why the TX queue are stopped (among RWNX_TX_STOP_xxx)
* @rwnx_hw: Driver main data
*
* This function will stop all the TX queues of the STA for the reason
* specified. It can be :
* - RWNX_TXQ_STOP_STA_PS: the STA is in power save mode
* - RWNX_TXQ_STOP_VIF_PS: the VIF is in power save mode (p2p absence)
* - RWNX_TXQ_STOP_CHAN: the STA's VIF is not on the current active channel
*
* Any TX queue present in a HW queue list will be removed from this list.
* To be called with tx_lock hold
*/
void rwnx_txq_sta_stop(struct rwnx_sta *rwnx_sta, u16 reason
#ifdef CONFIG_RWNX_FULLMAC
, struct rwnx_hw *rwnx_hw
#endif
)
{
struct rwnx_txq *txq;
int tid;
if (!rwnx_sta)
return;
#ifdef CREATE_TRACE_POINTS
trace_txq_sta_stop(rwnx_sta->sta_idx);
#endif
foreach_sta_txq(rwnx_sta, txq, tid, rwnx_hw) {
rwnx_txq_stop(txq, reason);
}
}
#ifdef CONFIG_RWNX_FULLMAC
void rwnx_txq_tdls_sta_start(struct rwnx_vif *rwnx_vif, u16 reason,
struct rwnx_hw *rwnx_hw)
{
#ifdef CREATE_TRACE_POINTS
trace_txq_vif_start(rwnx_vif->vif_index);
#endif
spin_lock_bh(&rwnx_hw->tx_lock);
if (rwnx_vif->sta.tdls_sta)
rwnx_txq_sta_start(rwnx_vif->sta.tdls_sta, reason, rwnx_hw);
spin_unlock_bh(&rwnx_hw->tx_lock);
}
#endif
#ifdef CONFIG_RWNX_FULLMAC
void rwnx_txq_tdls_sta_stop(struct rwnx_vif *rwnx_vif, u16 reason,
struct rwnx_hw *rwnx_hw)
{
#ifdef CREATE_TRACE_POINTS
trace_txq_vif_stop(rwnx_vif->vif_index);
#endif
spin_lock_bh(&rwnx_hw->tx_lock);
if (rwnx_vif->sta.tdls_sta)
rwnx_txq_sta_stop(rwnx_vif->sta.tdls_sta, reason, rwnx_hw);
spin_unlock_bh(&rwnx_hw->tx_lock);
}
#endif
#ifdef CONFIG_RWNX_FULLMAC
static inline void rwnx_txq_vif_for_each_sta(struct rwnx_hw *rwnx_hw, struct rwnx_vif *rwnx_vif,
void (*f)(struct rwnx_sta *, u16, struct rwnx_hw *), u16 reason) {
switch (RWNX_VIF_TYPE(rwnx_vif)) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
{
if (rwnx_vif->tdls_status == TDLS_LINK_ACTIVE)
f(rwnx_vif->sta.tdls_sta, reason, rwnx_hw);
if (!WARN_ON(rwnx_vif->sta.ap == NULL))
f(rwnx_vif->sta.ap, reason, rwnx_hw);
break;
}
case NL80211_IFTYPE_AP_VLAN:
rwnx_vif = rwnx_vif->ap_vlan.master;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
{
struct rwnx_sta *sta;
list_for_each_entry(sta, &rwnx_vif->ap.sta_list, list) {
f(sta, reason, rwnx_hw);
}
break;
}
default:
BUG();
break;
}
}
#endif
/**
* rwnx_txq_vif_start - START TX queues of all STA associated to the vif
* and vif's TXQ
*
* @vif: Interface to start
* @reason: Start reason (RWNX_TXQ_STOP_CHAN or RWNX_TXQ_STOP_VIF_PS)
* @rwnx_hw: Driver main data
*
* Iterate over all the STA associated to the vif and re-start them for the
* reason @reason
* Take tx_lock
*/
void rwnx_txq_vif_start(struct rwnx_vif *rwnx_vif, u16 reason,
struct rwnx_hw *rwnx_hw)
{
struct rwnx_txq *txq;
#ifdef CREATE_TRACE_POINTS
trace_txq_vif_start(rwnx_vif->vif_index);
#endif
spin_lock_bh(&rwnx_hw->tx_lock);
#ifdef CONFIG_RWNX_FULLMAC
//Reject if monitor interface
if (rwnx_vif->wdev.iftype == NL80211_IFTYPE_MONITOR)
goto end;
if (rwnx_vif->roc_tdls && rwnx_vif->sta.tdls_sta && rwnx_vif->sta.tdls_sta->tdls.chsw_en) {
rwnx_txq_sta_start(rwnx_vif->sta.tdls_sta, reason, rwnx_hw);
}
if (!rwnx_vif->roc_tdls) {
rwnx_txq_vif_for_each_sta(rwnx_hw, rwnx_vif, rwnx_txq_sta_start, reason);
}
txq = rwnx_txq_vif_get(rwnx_vif, NX_BCMC_TXQ_TYPE);
rwnx_txq_start(txq, reason);
txq = rwnx_txq_vif_get(rwnx_vif, NX_UNK_TXQ_TYPE);
rwnx_txq_start(txq, reason);
end:
#endif /* CONFIG_RWNX_FULLMAC */
spin_unlock_bh(&rwnx_hw->tx_lock);
}
/**
* rwnx_txq_vif_stop - STOP TX queues of all STA associated to the vif
*
* @vif: Interface to stop
* @arg: Stop reason (RWNX_TXQ_STOP_CHAN or RWNX_TXQ_STOP_VIF_PS)
* @rwnx_hw: Driver main data
*
* Iterate over all the STA associated to the vif and stop them for the
* reason RWNX_TXQ_STOP_CHAN or RWNX_TXQ_STOP_VIF_PS
* Take tx_lock
*/
void rwnx_txq_vif_stop(struct rwnx_vif *rwnx_vif, u16 reason,
struct rwnx_hw *rwnx_hw)
{
struct rwnx_txq *txq;
#ifdef CREATE_TRACE_POINTS
trace_txq_vif_stop(rwnx_vif->vif_index);
#endif
spin_lock_bh(&rwnx_hw->tx_lock);
#ifdef CONFIG_RWNX_FULLMAC
//Reject if monitor interface
if (rwnx_vif->wdev.iftype == NL80211_IFTYPE_MONITOR)
goto end;
rwnx_txq_vif_for_each_sta(rwnx_hw, rwnx_vif, rwnx_txq_sta_stop, reason);
txq = rwnx_txq_vif_get(rwnx_vif, NX_BCMC_TXQ_TYPE);
rwnx_txq_stop(txq, reason);
txq = rwnx_txq_vif_get(rwnx_vif, NX_UNK_TXQ_TYPE);
rwnx_txq_stop(txq, reason);
end:
#endif /* CONFIG_RWNX_FULLMAC*/
spin_unlock_bh(&rwnx_hw->tx_lock);
}
#ifdef CONFIG_RWNX_FULLMAC
/**
* rwnx_start_offchan_txq - START TX queue for offchannel frame
*
* @rwnx_hw: Driver main data
*/
void rwnx_txq_offchan_start(struct rwnx_hw *rwnx_hw)
{
struct rwnx_txq *txq;
int nx_off_chan_txq_idx = NX_OFF_CHAN_TXQ_IDX;
if((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8801) ||
((g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
g_rwnx_plat->sdiodev->chipid == PRODUCT_ID_AIC8800DW) && chip_id < 3)){
nx_off_chan_txq_idx = NX_OFF_CHAN_TXQ_IDX_FOR_OLD_IC;
}
txq = &rwnx_hw->txq[nx_off_chan_txq_idx];
spin_lock_bh(&rwnx_hw->tx_lock);
rwnx_txq_start(txq, RWNX_TXQ_STOP_CHAN);
spin_unlock_bh(&rwnx_hw->tx_lock);
}
/**
* rwnx_switch_vif_sta_txq - Associate TXQ linked to a STA to a new vif
*
* @sta: STA whose txq must be switched
* @old_vif: Vif currently associated to the STA (may no longer be active)
* @new_vif: vif which should be associated to the STA for now on
*
* This function will switch the vif (i.e. the netdev) associated to all STA's
* TXQ. This is used when AP_VLAN interface are created.
* If one STA is associated to an AP_vlan vif, it will be moved from the master
* AP vif to the AP_vlan vif.
* If an AP_vlan vif is removed, then STA will be moved back to mastert AP vif.
*
*/
void rwnx_txq_sta_switch_vif(struct rwnx_sta *sta, struct rwnx_vif *old_vif,
struct rwnx_vif *new_vif)
{
struct rwnx_hw *rwnx_hw = new_vif->rwnx_hw;
struct rwnx_txq *txq;
int i;
/* start TXQ on the new interface, and update ndev field in txq */
if (!netif_carrier_ok(new_vif->ndev))
netif_carrier_on(new_vif->ndev);
txq = rwnx_txq_sta_get(sta, 0, rwnx_hw);
for (i = 0; i < NX_NB_TID_PER_STA; i++, txq++) {
txq->ndev = new_vif->ndev;
netif_wake_subqueue(txq->ndev, txq->ndev_idx);
}
}
#endif /* CONFIG_RWNX_FULLMAC */
/******************************************************************************
* TXQ queue/schedule functions
*****************************************************************************/
/**
* rwnx_txq_queue_skb - Queue a buffer in a TX queue
*
* @skb: Buffer to queue
* @txq: TX Queue in which the buffer must be added
* @rwnx_hw: Driver main data
* @retry: Should it be queued in the retry list
*
* @return: Retrun 1 if txq has been added to hwq list, 0 otherwise
*
* Add a buffer in the buffer list of the TX queue
* and add this TX queue in the HW queue list if the txq is not stopped.
* If this is a retry packet it is added after the last retry packet or at the
* beginning if there is no retry packet queued.
*
* If the STA is in PS mode and this is the first packet queued for this txq
* update TIM.
*
* To be called with tx_lock hold
*/
int rwnx_txq_queue_skb(struct sk_buff *skb, struct rwnx_txq *txq,
struct rwnx_hw *rwnx_hw, bool retry)
{
#ifdef CONFIG_RWNX_FULLMAC
if (unlikely(txq->sta && txq->sta->ps.active)) {
txq->sta->ps.pkt_ready[txq->ps_id]++;
#ifdef CREATE_TRACE_POINTS
trace_ps_queue(txq->sta);
#endif
if (txq->sta->ps.pkt_ready[txq->ps_id] == 1) {
rwnx_set_traffic_status(rwnx_hw, txq->sta, true, txq->ps_id);
}
}
#endif
if (!retry) {
/* add buffer in the sk_list */
skb_queue_tail(&txq->sk_list, skb);
} else {
if (txq->last_retry_skb)
rwnx_skb_append(txq->last_retry_skb, skb, &txq->sk_list);
else
skb_queue_head(&txq->sk_list, skb);
txq->last_retry_skb = skb;
txq->nb_retry++;
}
#ifdef CREATE_TRACE_POINTS
trace_txq_queue_skb(skb, txq, retry);
#endif
/* Flowctrl corresponding netdev queue if needed */
#ifdef CONFIG_RWNX_FULLMAC
#ifndef CONFIG_ONE_TXQ
/* If too many buffer are queued for this TXQ stop netdev queue */
if ((txq->ndev_idx != NDEV_NO_TXQ) &&
(skb_queue_len(&txq->sk_list) > RWNX_NDEV_FLOW_CTRL_STOP)) {
txq->status |= RWNX_TXQ_NDEV_FLOW_CTRL;
netif_stop_subqueue(txq->ndev, txq->ndev_idx);
#ifdef CREATE_TRACE_POINT
trace_txq_flowctrl_stop(txq);
#endif
}
#endif /* CONFIG_ONE_TXQ */
#else /* ! CONFIG_RWNX_FULLMAC */
if (!retry && ++txq->hwq->len == txq->hwq->len_stop) {
trace_hwq_flowctrl_stop(txq->hwq->id);
ieee80211_stop_queue(rwnx_hw->hw, txq->hwq->id);
rwnx_hw->stats.queues_stops++;
}
#endif /* CONFIG_RWNX_FULLMAC */
/* add it in the hwq list if not stopped and not yet present */
if (!rwnx_txq_is_stopped(txq)) {
rwnx_txq_add_to_hw_list(txq);
return 1;
}
return 0;
}
/**
* rwnx_txq_confirm_any - Process buffer confirmed by fw
*
* @rwnx_hw: Driver main data
* @txq: TX Queue
* @hwq: HW Queue
* @sw_txhdr: software descriptor of the confirmed packet
*
* Process a buffer returned by the fw. It doesn't check buffer status
* and only does systematic counter update:
* - hw credit
* - buffer pushed to fw
*
* To be called with tx_lock hold
*/
void rwnx_txq_confirm_any(struct rwnx_hw *rwnx_hw, struct rwnx_txq *txq,
struct rwnx_hwq *hwq, struct rwnx_sw_txhdr *sw_txhdr)
{
int user = 0;
#ifdef CONFIG_RWNX_MUMIMO_TX
int group_id;
user = RWNX_MUMIMO_INFO_POS_ID(sw_txhdr->desc.host.mumimo_info);
group_id = RWNX_MUMIMO_INFO_GROUP_ID(sw_txhdr->desc.host.mumimo_info);
if ((txq->idx != TXQ_INACTIVE) &&
(txq->pkt_pushed[user] == 1) &&
(txq->status & RWNX_TXQ_STOP_MU_POS))
rwnx_txq_start(txq, RWNX_TXQ_STOP_MU_POS);
#endif /* CONFIG_RWNX_MUMIMO_TX */
if (txq->pkt_pushed[user])
txq->pkt_pushed[user]--;
hwq->need_processing = true;
rwnx_hw->stats.cfm_balance[hwq->id]--;
}
/******************************************************************************
* HWQ processing
*****************************************************************************/
static inline
bool rwnx_txq_take_mu_lock(struct rwnx_hw *rwnx_hw)
{
bool res = false;
#ifdef CONFIG_RWNX_MUMIMO_TX
if (rwnx_hw->mod_params->mutx)
res = (down_trylock(&rwnx_hw->mu.lock) == 0);
#endif /* CONFIG_RWNX_MUMIMO_TX */
return res;
}
static inline
void rwnx_txq_release_mu_lock(struct rwnx_hw *rwnx_hw)
{
#ifdef CONFIG_RWNX_MUMIMO_TX
up(&rwnx_hw->mu.lock);
#endif /* CONFIG_RWNX_MUMIMO_TX */
}
static inline
void rwnx_txq_set_mu_info(struct rwnx_hw *rwnx_hw, struct rwnx_txq *txq,
int group_id, int pos)
{
#ifdef CONFIG_RWNX_MUMIMO_TX
trace_txq_select_mu_group(txq, group_id, pos);
if (group_id) {
txq->mumimo_info = group_id | (pos << 6);
rwnx_mu_set_active_group(rwnx_hw, group_id);
} else
txq->mumimo_info = 0;
#endif /* CONFIG_RWNX_MUMIMO_TX */
}
static inline
s8 rwnx_txq_get_credits(struct rwnx_txq *txq)
{
s8 cred = txq->credits;
/* if destination is in PS mode, push_limit indicates the maximum
number of packet that can be pushed on this txq. */
if (txq->push_limit && (cred > txq->push_limit)) {
cred = txq->push_limit;
}
return cred;
}
/**
* skb_queue_extract - Extract buffer from skb list
*
* @list: List of skb to extract from
* @head: List of skb to append to
* @nb_elt: Number of skb to extract
*
* extract the first @nb_elt of @list and append them to @head
* It is assume that:
* - @list contains more that @nb_elt
* - There is no need to take @list nor @head lock to modify them
*/
static inline void skb_queue_extract(struct sk_buff_head *list,
struct sk_buff_head *head, int nb_elt)
{
int i;
struct sk_buff *first, *last, *ptr;
first = ptr = list->next;
for (i = 0; i < nb_elt; i++) {
ptr = ptr->next;
}
last = ptr->prev;
/* unlink nb_elt in list */
list->qlen -= nb_elt;
list->next = ptr;
ptr->prev = (struct sk_buff *)list;
/* append nb_elt at end of head */
head->qlen += nb_elt;
last->next = (struct sk_buff *)head;
head->prev->next = first;
first->prev = head->prev;
head->prev = last;
}
#ifdef CONFIG_MAC80211_TXQ
/**
* rwnx_txq_mac80211_dequeue - Dequeue buffer from mac80211 txq and
* add them to push list
*
* @rwnx_hw: Main driver data
* @sk_list: List of buffer to push (initialized without lock)
* @txq: TXQ to dequeue buffers from
* @max: Max number of buffer to dequeue
*
* Dequeue buffer from mac80211 txq, prepare them for transmission and chain them
* to the list of buffer to push.
*
* @return true if no more buffer are queued in mac80211 txq and false otherwise.
*/
static bool rwnx_txq_mac80211_dequeue(struct rwnx_hw *rwnx_hw,
struct sk_buff_head *sk_list,
struct rwnx_txq *txq, int max)
{
struct ieee80211_txq *mac_txq;
struct sk_buff *skb;
unsigned long mac_txq_len;
if (txq->nb_ready_mac80211 == NOT_MAC80211_TXQ)
return true;
mac_txq = container_of((void *)txq, struct ieee80211_txq, drv_priv);
for (; max > 0; max--) {
skb = rwnx_tx_dequeue_prep(rwnx_hw, mac_txq);
if (skb == NULL)
return true;
__skb_queue_tail(sk_list, skb);
}
/* re-read mac80211 txq current length.
It is mainly for debug purpose to trace dropped packet. There is no
problems to have nb_ready_mac80211 != actual mac80211 txq length */
ieee80211_txq_get_depth(mac_txq, &mac_txq_len, NULL);
if (txq->nb_ready_mac80211 > mac_txq_len)
trace_txq_drop(txq, txq->nb_ready_mac80211 - mac_txq_len);
txq->nb_ready_mac80211 = mac_txq_len;
return (txq->nb_ready_mac80211 == 0);
}
#endif
/**
* rwnx_txq_get_skb_to_push - Get list of buffer to push for one txq
*
* @rwnx_hw: main driver data
* @hwq: HWQ on wich buffers will be pushed
* @txq: TXQ to get buffers from
* @user: user postion to use
* @sk_list_push: list to update
*
*
* This function will returned a list of buffer to push for one txq.
* It will take into account the number of credit of the HWQ for this user
* position and TXQ (and push_limit).
* This allow to get a list that can be pushed without having to test for
* hwq/txq status after each push
*
* If a MU group has been selected for this txq, it will also update the
* counter for the group
*
* @return true if txq no longer have buffer ready after the ones returned.
* false otherwise
*/
static
bool rwnx_txq_get_skb_to_push(struct rwnx_hw *rwnx_hw, struct rwnx_hwq *hwq,
struct rwnx_txq *txq, int user,
struct sk_buff_head *sk_list_push)
{
int nb_ready = skb_queue_len(&txq->sk_list);
int credits = rwnx_txq_get_credits(txq);
bool res = false;
__skb_queue_head_init(sk_list_push);
if (credits >= nb_ready) {
skb_queue_splice_init(&txq->sk_list, sk_list_push);
#ifdef CONFIG_MAC80211_TXQ
res = rwnx_txq_mac80211_dequeue(rwnx_hw, sk_list_push, txq, credits - nb_ready);
credits = skb_queue_len(sk_list_push);
#else
res = true;
credits = nb_ready;
#endif
} else {
skb_queue_extract(&txq->sk_list, sk_list_push, credits);
/* When processing PS service period (i.e. push_limit != 0), no longer
process this txq if the buffers extracted will complete the SP for
this txq */
if (txq->push_limit && (credits == txq->push_limit))
res = true;
}
rwnx_mu_set_active_sta(rwnx_hw, rwnx_txq_2_sta(txq), credits);
return res;
}
/**
* rwnx_txq_select_user - Select User queue for a txq
*
* @rwnx_hw: main driver data
* @mu_lock: true is MU lock is taken
* @txq: TXQ to select MU group for
* @hwq: HWQ for the TXQ
* @user: Updated with user position selected
*
* @return false if it is no possible to process this txq.
* true otherwise
*
* This function selects the MU group to use for a TXQ.
* The selection is done as follow:
*
* - return immediately for STA that don't belongs to any group and select
* group 0 / user 0
*
* - If MU tx is disabled (by user mutx_on, or because mu group are being
* updated !mu_lock), select group 0 / user 0
*
* - Use the best group selected by @rwnx_mu_group_sta_select.
*
* Each time a group is selected (except for the first case where sta
* doesn't belongs to a MU group), the function checks that no buffer is
* pending for this txq on another user position. If this is the case stop
* the txq (RWNX_TXQ_STOP_MU_POS) and return false.
*
*/
static
bool rwnx_txq_select_user(struct rwnx_hw *rwnx_hw, bool mu_lock,
struct rwnx_txq *txq, struct rwnx_hwq *hwq, int *user)
{
int pos = 0;
#ifdef CONFIG_RWNX_MUMIMO_TX
int id, group_id = 0;
struct rwnx_sta *sta = rwnx_txq_2_sta(txq);
/* for sta that belong to no group return immediately */
if (!sta || !sta->group_info.cnt)
goto end;
/* If MU is disabled, need to check user */
if (!rwnx_hw->mod_params->mutx_on || !mu_lock)
goto check_user;
/* Use the "best" group selected */
group_id = sta->group_info.group;
if (group_id > 0)
pos = rwnx_mu_group_sta_get_pos(rwnx_hw, sta, group_id);
check_user:
/* check that we can push on this user position */
#if CONFIG_USER_MAX == 2
id = (pos + 1) & 0x1;
if (txq->pkt_pushed[id]) {
rwnx_txq_stop(txq, RWNX_TXQ_STOP_MU_POS);
return false;
}
#else
for (id = 0 ; id < CONFIG_USER_MAX ; id++) {
if (id != pos && txq->pkt_pushed[id]) {
rwnx_txq_stop(txq, RWNX_TXQ_STOP_MU_POS);
return false;
}
}
#endif
end:
rwnx_txq_set_mu_info(rwnx_hw, txq, group_id, pos);
#endif /* CONFIG_RWNX_MUMIMO_TX */
*user = pos;
return true;
}
/**
* rwnx_hwq_process - Process one HW queue list
*
* @rwnx_hw: Driver main data
* @hw_queue: HW queue index to process
*
* The function will iterate over all the TX queues linked in this HW queue
* list. For each TX queue, push as many buffers as possible in the HW queue.
* (NB: TX queue have at least 1 buffer, otherwise it wouldn't be in the list)
* - If TX queue no longer have buffer, remove it from the list and check next
* TX queue
* - If TX queue no longer have credits or has a push_limit (PS mode) and it
* is reached , remove it from the list and check next TX queue
* - If HW queue is full, update list head to start with the next TX queue on
* next call if current TX queue already pushed "too many" pkt in a row, and
* return
*
* To be called when HW queue list is modified:
* - when a buffer is pushed on a TX queue
* - when new credits are received
* - when a STA returns from Power Save mode or receives traffic request.
* - when Channel context change
*
* To be called with tx_lock hold
*/
#define ALL_HWQ_MASK ((1 << CONFIG_USER_MAX) - 1)
void rwnx_hwq_process(struct rwnx_hw *rwnx_hw, struct rwnx_hwq *hwq)
{
struct rwnx_txq *txq, *next;
int user, credit_map = 0;
bool mu_enable;
#ifdef CREATE_TRACE_POINTS
trace_process_hw_queue(hwq);
#endif
hwq->need_processing = false;
mu_enable = rwnx_txq_take_mu_lock(rwnx_hw);
if (!mu_enable)
credit_map = ALL_HWQ_MASK - 1;
list_for_each_entry_safe(txq, next, &hwq->list, sched_list) {
struct rwnx_txhdr *txhdr = NULL;
struct sk_buff_head sk_list_push;
struct sk_buff *skb;
bool txq_empty;
#ifdef CREATE_TRACE_POINTS
trace_process_txq(txq);
#endif
/* sanity check for debug */
BUG_ON(!(txq->status & RWNX_TXQ_IN_HWQ_LIST));
if(txq->idx == TXQ_INACTIVE){
printk("%s txq->idx == TXQ_INACTIVE \r\n", __func__);
continue;
}
BUG_ON(txq->idx == TXQ_INACTIVE);
BUG_ON(txq->credits <= 0);
BUG_ON(!rwnx_txq_skb_ready(txq));
if (!rwnx_txq_select_user(rwnx_hw, mu_enable, txq, hwq, &user)) {
printk("select user:%d\n", user);
continue;
}
txq_empty = rwnx_txq_get_skb_to_push(rwnx_hw, hwq, txq, user,
&sk_list_push);
while ((skb = __skb_dequeue(&sk_list_push)) != NULL) {
txhdr = (struct rwnx_txhdr *)skb->data;
rwnx_tx_push(rwnx_hw, txhdr, 0);
}
if (txq_empty) {
rwnx_txq_del_from_hw_list(txq);
txq->pkt_sent = 0;
} else if (rwnx_txq_is_scheduled(txq)) {
/* txq not empty,
- To avoid starving need to process other txq in the list
- For better aggregation, need to send "as many consecutive
pkt as possible" for he same txq
==> Add counter to trigger txq switch
*/
if (txq->pkt_sent > hwq->size) {
txq->pkt_sent = 0;
list_rotate_left(&hwq->list);
}
}
#ifdef CONFIG_RWNX_FULLMAC
/* Unable to complete PS traffic request because of hwq credit */
if (txq->push_limit && txq->sta) {
if (txq->ps_id == LEGACY_PS_ID) {
/* for legacy PS abort SP and wait next ps-poll */
txq->sta->ps.sp_cnt[txq->ps_id] -= txq->push_limit;
txq->push_limit = 0;
}
/* for u-apsd need to complete the SP to send EOSP frame */
}
#ifndef CONFIG_ONE_TXQ
/* restart netdev queue if number of queued buffer is below threshold */
if (unlikely(txq->status & RWNX_TXQ_NDEV_FLOW_CTRL) &&
skb_queue_len(&txq->sk_list) < RWNX_NDEV_FLOW_CTRL_RESTART) {
txq->status &= ~RWNX_TXQ_NDEV_FLOW_CTRL;
netif_wake_subqueue(txq->ndev, txq->ndev_idx);
#ifdef CREATE_TRACE_POINTS
trace_txq_flowctrl_restart(txq);
#endif
}
#endif /* CONFIG_ONE_TXQ */
#endif /* CONFIG_RWNX_FULLMAC */
}
if (mu_enable)
rwnx_txq_release_mu_lock(rwnx_hw);
}
/**
* rwnx_hwq_process_all - Process all HW queue list
*
* @rwnx_hw: Driver main data
*
* Loop over all HWQ, and process them if needed
* To be called with tx_lock hold
*/
void rwnx_hwq_process_all(struct rwnx_hw *rwnx_hw)
{
int id;
rwnx_mu_group_sta_select(rwnx_hw);
for (id = ARRAY_SIZE(rwnx_hw->hwq) - 1; id >= 0 ; id--) {
if (rwnx_hw->hwq[id].need_processing) {
rwnx_hwq_process(rwnx_hw, &rwnx_hw->hwq[id]);
}
}
}
/**
* rwnx_hwq_init - Initialize all hwq structures
*
* @rwnx_hw: Driver main data
*
*/
void rwnx_hwq_init(struct rwnx_hw *rwnx_hw)
{
int i;
for (i = 0; i < ARRAY_SIZE(rwnx_hw->hwq); i++) {
struct rwnx_hwq *hwq = &rwnx_hw->hwq[i];
hwq->id = i;
hwq->size = nx_txdesc_cnt[i];
INIT_LIST_HEAD(&hwq->list);
}
}
Reference in New Issue View Git Blame Copy Permalink