dev_kfree_skb(skb);
}
- void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq)
- __acquires(&txq->axq_lock)
- {
- spin_lock_bh(&txq->axq_lock);
- }
-
- void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq)
- __releases(&txq->axq_lock)
- {
- spin_unlock_bh(&txq->axq_lock);
- }
-
void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq)
__releases(&txq->axq_lock)
{
ath_tx_status(hw, skb);
}
- static void ath_tx_queue_tid(struct ath_softc *sc, struct ath_txq *txq,
- struct ath_atx_tid *tid)
+ void __ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
{
- struct list_head *list;
struct ath_vif *avp = (struct ath_vif *) tid->an->vif->drv_priv;
struct ath_chanctx *ctx = avp->chanctx;
+ struct ath_acq *acq;
+ struct list_head *tid_list;
+ u8 acno = TID_TO_WME_AC(tid->tidno);
- if (!ctx)
+ if (!ctx || !list_empty(&tid->list))
return;
- list = &ctx->acq[TID_TO_WME_AC(tid->tidno)];
- if (list_empty(&tid->list))
- list_add_tail(&tid->list, list);
+
+ acq = &ctx->acq[acno];
+ if ((sc->airtime_flags & AIRTIME_USE_NEW_QUEUES) &&
+ tid->an->airtime_deficit[acno] > 0)
+ tid_list = &acq->acq_new;
+ else
+ tid_list = &acq->acq_old;
+
+ list_add_tail(&tid->list, tid_list);
}
+ void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
+ {
+ struct ath_vif *avp = (struct ath_vif *) tid->an->vif->drv_priv;
+ struct ath_chanctx *ctx = avp->chanctx;
+ struct ath_acq *acq;
+
+ if (!ctx || !list_empty(&tid->list))
+ return;
+
+ acq = &ctx->acq[TID_TO_WME_AC(tid->tidno)];
+ spin_lock_bh(&acq->lock);
+ __ath_tx_queue_tid(sc, tid);
+ spin_unlock_bh(&acq->lock);
+ }
+
+
void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue)
{
struct ath_softc *sc = hw->priv;
ath_txq_lock(sc, txq);
tid->has_queued = true;
- ath_tx_queue_tid(sc, txq, tid);
+ ath_tx_queue_tid(sc, tid);
ath_txq_schedule(sc, txq);
ath_txq_unlock(sc, txq);
skb_queue_splice_tail(&bf_pending, &tid->retry_q);
if (!an->sleeping) {
- ath_tx_queue_tid(sc, txq, tid);
+ ath_tx_queue_tid(sc, tid);
if (ts->ts_status & (ATH9K_TXERR_FILT | ATH9K_TXERR_XRETRY))
tid->clear_ps_filter = true;
return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE);
}
+ static void ath_tx_count_airtime(struct ath_softc *sc, struct ath_txq *txq,
+ struct ath_buf *bf, struct ath_tx_status *ts)
+ {
+ struct ath_node *an;
+ struct ath_acq *acq = &sc->cur_chan->acq[txq->mac80211_qnum];
+ struct sk_buff *skb;
+ struct ieee80211_hdr *hdr;
+ struct ieee80211_hw *hw = sc->hw;
+ struct ieee80211_tx_rate rates[4];
+ struct ieee80211_sta *sta;
+ int i;
+ u32 airtime = 0;
+
+ skb = bf->bf_mpdu;
+ if(!skb)
+ return;
+
+ hdr = (struct ieee80211_hdr *)skb->data;
+ memcpy(rates, bf->rates, sizeof(rates));
+
+ rcu_read_lock();
+
+ sta = ieee80211_find_sta_by_ifaddr(hw, hdr->addr1, hdr->addr2);
+ if(!sta)
+ goto exit;
+
+
+ an = (struct ath_node *) sta->drv_priv;
+
+ airtime += ts->duration * (ts->ts_longretry + 1);
+
+ for(i=0; i < ts->ts_rateindex; i++)
+ airtime += ath9k_hw_get_duration(sc->sc_ah, bf->bf_desc, i) * rates[i].count;
+
+ if (!!(sc->airtime_flags & AIRTIME_USE_TX)) {
+ spin_lock_bh(&acq->lock);
+ an->airtime_deficit[txq->mac80211_qnum] -= airtime;
+ if (an->airtime_deficit[txq->mac80211_qnum] <= 0)
+ __ath_tx_queue_tid(sc, ath_get_skb_tid(sc, an, skb));
+ spin_unlock_bh(&acq->lock);
+ }
+ ath_debug_airtime(sc, an, 0, airtime);
+
+ exit:
+ rcu_read_unlock();
+ }
+
static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
struct ath_tx_status *ts, struct ath_buf *bf,
struct list_head *bf_head)
ts->duration = ath9k_hw_get_duration(sc->sc_ah, bf->bf_desc,
ts->ts_rateindex);
+ ath_tx_count_airtime(sc, txq, bf, ts);
hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data;
sta = ieee80211_find_sta_by_ifaddr(hw, hdr->addr1, hdr->addr2);
* width - 0 for 20 MHz, 1 for 40 MHz
* half_gi - to use 4us v/s 3.6 us for symbol time
*/
- static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
- int width, int half_gi, bool shortPreamble)
+ u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
+ int width, int half_gi, bool shortPreamble)
{
u32 nbits, nsymbits, duration, nsymbols;
int streams;
if (is_40) {
u8 power_ht40delta;
struct ar5416_eeprom_def *eep = &ah->eeprom.def;
+ u16 eeprom_rev = ah->eep_ops->get_eeprom_rev(ah);
- if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_2) {
+ if (eeprom_rev >= AR5416_EEP_MINOR_VER_2) {
bool is_2ghz;
struct modal_eep_header *pmodal;
}
static bool ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
- struct ath_atx_tid *tid, bool *stop)
+ struct ath_atx_tid *tid)
{
struct ath_buf *bf;
struct ieee80211_tx_info *tx_info;
if ((aggr && txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) ||
(!aggr && txq->axq_depth >= ATH_NON_AGGR_MIN_QDEPTH)) {
__skb_queue_tail(&tid->retry_q, bf->bf_mpdu);
- *stop = true;
return false;
}
ath_txq_lock(sc, txq);
tid->clear_ps_filter = true;
if (ath_tid_has_buffered(tid)) {
- ath_tx_queue_tid(sc, txq, tid);
+ ath_tx_queue_tid(sc, tid);
ath_txq_schedule(sc, txq);
}
ath_txq_unlock_complete(sc, txq);
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_atx_tid *tid, *last_tid;
+ struct ath_atx_tid *tid;
struct list_head *tid_list;
- bool sent = false;
+ struct ath_acq *acq;
+ bool active = AIRTIME_ACTIVE(sc->airtime_flags);
if (txq->mac80211_qnum < 0)
return;
return;
spin_lock_bh(&sc->chan_lock);
- tid_list = &sc->cur_chan->acq[txq->mac80211_qnum];
-
- if (list_empty(tid_list)) {
- spin_unlock_bh(&sc->chan_lock);
- return;
- }
-
rcu_read_lock();
+ acq = &sc->cur_chan->acq[txq->mac80211_qnum];
- last_tid = list_entry(tid_list->prev, struct ath_atx_tid, list);
- while (!list_empty(tid_list)) {
- bool stop = false;
-
- if (sc->cur_chan->stopped)
- break;
-
- tid = list_first_entry(tid_list, struct ath_atx_tid, list);
- list_del_init(&tid->list);
-
- if (ath_tx_sched_aggr(sc, txq, tid, &stop))
- sent = true;
-
- /*
- * add tid to round-robin queue if more frames
- * are pending for the tid
- */
- if (ath_tid_has_buffered(tid))
- ath_tx_queue_tid(sc, txq, tid);
+ if (sc->cur_chan->stopped)
+ goto out;
- if (stop)
- break;
+ begin:
+ tid_list = &acq->acq_new;
+ if (list_empty(tid_list)) {
+ tid_list = &acq->acq_old;
+ if (list_empty(tid_list))
+ goto out;
+ }
+ tid = list_first_entry(tid_list, struct ath_atx_tid, list);
+
+ if (active && tid->an->airtime_deficit[txq->mac80211_qnum] <= 0) {
+ spin_lock_bh(&acq->lock);
+ tid->an->airtime_deficit[txq->mac80211_qnum] += ATH_AIRTIME_QUANTUM;
+ list_move_tail(&tid->list, &acq->acq_old);
+ spin_unlock_bh(&acq->lock);
+ goto begin;
+ }
+
+ if (!ath_tid_has_buffered(tid)) {
+ spin_lock_bh(&acq->lock);
+ if ((tid_list == &acq->acq_new) && !list_empty(&acq->acq_old))
+ list_move_tail(&tid->list, &acq->acq_old);
+ else {
+ list_del_init(&tid->list);
+ }
+ spin_unlock_bh(&acq->lock);
+ goto begin;
+ }
- if (tid == last_tid) {
- if (!sent)
- break;
- sent = false;
- last_tid = list_entry(tid_list->prev,
- struct ath_atx_tid, list);
+ /*
+ * If we succeed in scheduling something, immediately restart to make
+ * sure we keep the HW busy.
+ */
+ if(ath_tx_sched_aggr(sc, txq, tid)) {
+ if (!active) {
+ spin_lock_bh(&acq->lock);
+ list_move_tail(&tid->list, &acq->acq_old);
+ spin_unlock_bh(&acq->lock);
}
+ goto begin;
}
+ out:
rcu_read_unlock();
spin_unlock_bh(&sc->chan_lock);
}
fifo_list = &txq->txq_fifo[txq->txq_tailidx];
if (list_empty(fifo_list)) {
ath_txq_unlock(sc, txq);
- return;
+ break;
}
bf = list_first_entry(fifo_list, struct ath_buf, list);
struct ath_atx_tid *tid;
int tidno, acno;
+ for (acno = 0; acno < IEEE80211_NUM_ACS; acno++)
+ an->airtime_deficit[acno] = ATH_AIRTIME_QUANTUM;
+
for (tidno = 0; tidno < IEEE80211_NUM_TIDS; tidno++) {
tid = ath_node_to_tid(an, tidno);
tid->an = an;
}
found_alt:
if (firmware->size > rtlpriv->max_fw_size) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "Firmware is too big!\n");
+ pr_err("Firmware is too big!\n");
release_firmware(firmware);
return;
}
(u8 *)(&mac->basic_rates));
break;
default:
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "operation mode %d is not support!\n", vif->type);
+ pr_err("operation mode %d is not supported!\n",
+ vif->type);
err = -EOPNOTSUPP;
goto out;
}
default:
mac->bw_40 = false;
mac->bw_80 = false;
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "switch case %#x not processed\n",
- channel_type);
+ pr_err("switch case %#x not processed\n",
+ channel_type);
break;
}
}
"IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
return rtl_rx_agg_stop(hw, sta, tid);
default:
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "IEEE80211_AMPDU_ERR!!!!:\n");
+ pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
return -EOPNOTSUPP;
}
return 0;
key_type = AESCMAC_ENCRYPTION;
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
- "HW don't support CMAC encrypiton, use software CMAC encrypiton\n");
+ "HW don't support CMAC encryption, use software CMAC encryption\n");
err = -EOPNOTSUPP;
goto out_unlock;
default:
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "alg_err:%x!!!!:\n", key->cipher);
+ pr_err("alg_err:%x!!!!:\n", key->cipher);
goto out_unlock;
}
if (key_type == WEP40_ENCRYPTION ||
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
"set pairwise key\n");
if (!sta) {
- RT_ASSERT(false,
- "pairwise key without mac_addr\n");
+ WARN_ONCE(true,
+ "rtlwifi: pairwise key without mac_addr\n");
err = -EOPNOTSUPP;
goto out_unlock;
rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
break;
default:
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- "cmd_err:%x!!!!:\n", cmd);
+ pr_err("cmd_err:%x!!!!:\n", cmd);
}
out_unlock:
mutex_unlock(&rtlpriv->locks.conf_mutex);
"rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
return true;
default:
- RT_ASSERT(false,
- "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
+ WARN_ONCE(true,
+ "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
break;
}
}
spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
pskb = __skb_dequeue(&ring->queue);
- dev_kfree_skb_irq(pskb);
+ if (pskb)
+ dev_kfree_skb_irq(pskb);
/*this is wrong, fill_tx_cmddesc needs update*/
pdesc = &ring->desc[0];