list_add_tail(&ac->list, &txq->axq_acq);
}
-static void ath_tx_pause_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
-{
- struct ath_txq *txq = &sc->tx.txq[tid->ac->qnum];
-
- spin_lock_bh(&txq->axq_lock);
- tid->paused++;
- spin_unlock_bh(&txq->axq_lock);
-}
-
static void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
{
struct ath_txq *txq = &sc->tx.txq[tid->ac->qnum];
- BUG_ON(tid->paused <= 0);
- spin_lock_bh(&txq->axq_lock);
+ WARN_ON(!tid->paused);
- tid->paused--;
-
- if (tid->paused > 0)
- goto unlock;
+ spin_lock_bh(&txq->axq_lock);
+ tid->paused = false;
if (list_empty(&tid->buf_q))
goto unlock;
struct list_head bf_head;
INIT_LIST_HEAD(&bf_head);
- BUG_ON(tid->paused <= 0);
- spin_lock_bh(&txq->axq_lock);
+ WARN_ON(!tid->paused);
- tid->paused--;
-
- if (tid->paused > 0) {
- spin_unlock_bh(&txq->axq_lock);
- return;
- }
+ spin_lock_bh(&txq->axq_lock);
+ tid->paused = false;
while (!list_empty(&tid->buf_q)) {
bf = list_first_entry(&tid->buf_q, struct ath_buf, list);
index = ATH_BA_INDEX(tid->seq_start, seqno);
cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1);
- tid->tx_buf[cindex] = NULL;
+ __clear_bit(cindex, tid->tx_buf);
- while (tid->baw_head != tid->baw_tail && !tid->tx_buf[tid->baw_head]) {
+ while (tid->baw_head != tid->baw_tail && !test_bit(tid->baw_head, tid->tx_buf)) {
INCR(tid->seq_start, IEEE80211_SEQ_MAX);
INCR(tid->baw_head, ATH_TID_MAX_BUFS);
}
index = ATH_BA_INDEX(tid->seq_start, bf->bf_seqno);
cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1);
-
- BUG_ON(tid->tx_buf[cindex] != NULL);
- tid->tx_buf[cindex] = bf;
+ __set_bit(cindex, tid->tx_buf);
if (index >= ((tid->baw_tail - tid->baw_head) &
(ATH_TID_MAX_BUFS - 1))) {
status != ATH_AGGR_BAW_CLOSED);
}
-void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
- u16 tid, u16 *ssn)
+int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+ u16 tid, u16 *ssn)
{
struct ath_atx_tid *txtid;
struct ath_node *an;
an = (struct ath_node *)sta->drv_priv;
txtid = ATH_AN_2_TID(an, tid);
+
+ if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE))
+ return -EAGAIN;
+
txtid->state |= AGGR_ADDBA_PROGRESS;
- ath_tx_pause_tid(sc, txtid);
+ txtid->paused = true;
*ssn = txtid->seq_start;
+
+ return 0;
}
void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
return;
}
- ath_tx_pause_tid(sc, txtid);
-
/* drop all software retried frames and mark this TID */
spin_lock_bh(&txq->axq_lock);
+ txtid->paused = true;
while (!list_empty(&txtid->buf_q)) {
bf = list_first_entry(&txtid->buf_q, struct ath_buf, list);
if (!bf_isretried(bf)) {
"Failed to stop TX DMA. Resetting hardware!\n");
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
+ r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
if (r)
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d\n",
return htype;
}
-static int get_hw_crypto_keytype(struct sk_buff *skb)
-{
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-
- if (tx_info->control.hw_key) {
- if (tx_info->control.hw_key->alg == ALG_WEP)
- return ATH9K_KEY_TYPE_WEP;
- else if (tx_info->control.hw_key->alg == ALG_TKIP)
- return ATH9K_KEY_TYPE_TKIP;
- else if (tx_info->control.hw_key->alg == ALG_CCMP)
- return ATH9K_KEY_TYPE_AES;
- }
-
- return ATH9K_KEY_TYPE_CLEAR;
-}
-
static void assign_aggr_tid_seqno(struct sk_buff *skb,
struct ath_buf *bf)
{
bf->bf_state.bfs_paprd_timestamp = jiffies;
bf->bf_flags = setup_tx_flags(skb, use_ldpc);
- bf->bf_keytype = get_hw_crypto_keytype(skb);
+ bf->bf_keytype = ath9k_cmn_get_hw_crypto_keytype(skb);
if (bf->bf_keytype != ATH9K_KEY_TYPE_CLEAR) {
bf->bf_frmlen += tx_info->control.hw_key->icv_len;
bf->bf_keyix = tx_info->control.hw_key->hw_key_idx;