mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 10:01:32 +02:00
208 lines
6.3 KiB
Diff
208 lines
6.3 KiB
Diff
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--- a/drivers/net/wireless/ath/ath9k/ath9k.h
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+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -211,12 +211,12 @@ struct ath_frame_info {
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enum ath9k_key_type keytype;
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u8 keyix;
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u8 retries;
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- u16 seqno;
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};
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struct ath_buf_state {
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u8 bf_type;
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u8 bfs_paprd;
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+ u16 seqno;
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unsigned long bfs_paprd_timestamp;
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};
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -168,7 +168,7 @@ static void ath_tx_flush_tid(struct ath_
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spin_unlock_bh(&txq->axq_lock);
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if (fi->retries) {
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- ath_tx_update_baw(sc, tid, fi->seqno);
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+ ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
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ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 1);
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} else {
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ath_tx_send_normal(sc, txq, NULL, &bf_head);
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@@ -237,7 +237,7 @@ static void ath_tid_drain(struct ath_sof
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list_add_tail(&bf->list, &bf_head);
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if (fi->retries)
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- ath_tx_update_baw(sc, tid, fi->seqno);
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+ ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
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spin_unlock(&txq->axq_lock);
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ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
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@@ -327,7 +327,7 @@ static void ath_tx_count_frames(struct a
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while (bf) {
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fi = get_frame_info(bf->bf_mpdu);
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- ba_index = ATH_BA_INDEX(seq_st, fi->seqno);
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+ ba_index = ATH_BA_INDEX(seq_st, bf->bf_state.seqno);
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(*nframes)++;
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if (!txok || (isaggr && !ATH_BA_ISSET(ba, ba_index)))
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@@ -428,6 +428,8 @@ static void ath_tx_complete_aggr(struct
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ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad);
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while (bf) {
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+ u16 seqno = bf->bf_state.seqno;
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+
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txfail = txpending = sendbar = 0;
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bf_next = bf->bf_next;
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@@ -435,7 +437,7 @@ static void ath_tx_complete_aggr(struct
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tx_info = IEEE80211_SKB_CB(skb);
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fi = get_frame_info(skb);
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- if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, fi->seqno))) {
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+ if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) {
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/* transmit completion, subframe is
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* acked by block ack */
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acked_cnt++;
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@@ -479,7 +481,7 @@ static void ath_tx_complete_aggr(struct
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* block-ack window
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*/
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spin_lock_bh(&txq->axq_lock);
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- ath_tx_update_baw(sc, tid, fi->seqno);
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+ ath_tx_update_baw(sc, tid, seqno);
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spin_unlock_bh(&txq->axq_lock);
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if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) {
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@@ -507,7 +509,7 @@ static void ath_tx_complete_aggr(struct
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*/
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if (!tbf) {
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spin_lock_bh(&txq->axq_lock);
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- ath_tx_update_baw(sc, tid, fi->seqno);
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+ ath_tx_update_baw(sc, tid, seqno);
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spin_unlock_bh(&txq->axq_lock);
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bf->bf_state.bf_type |=
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@@ -752,17 +754,19 @@ static enum ATH_AGGR_STATUS ath_tx_form_
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struct ieee80211_tx_info *tx_info;
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struct ath_frame_info *fi;
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struct sk_buff *skb;
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+ u16 seqno;
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do {
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skb = skb_peek(&tid->buf_q);
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fi = get_frame_info(skb);
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bf = fi->bf;
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+ seqno = bf->bf_state.seqno;
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if (!bf_first)
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bf_first = bf;
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/* do not step over block-ack window */
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- if (!BAW_WITHIN(tid->seq_start, tid->baw_size, fi->seqno)) {
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+ if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno)) {
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status = ATH_AGGR_BAW_CLOSED;
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break;
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}
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@@ -810,7 +814,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
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/* link buffers of this frame to the aggregate */
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if (!fi->retries)
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- ath_tx_addto_baw(sc, tid, fi->seqno);
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+ ath_tx_addto_baw(sc, tid, seqno);
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ath9k_hw_set11n_aggr_middle(sc->sc_ah, bf->bf_desc, ndelim);
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__skb_unlink(skb, &tid->buf_q);
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@@ -1434,6 +1438,7 @@ static void ath_tx_send_ampdu(struct ath
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{
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struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu);
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struct list_head bf_head;
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+ u16 seqno = bf->bf_state.seqno;
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bf->bf_state.bf_type |= BUF_AMPDU;
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@@ -1445,7 +1450,7 @@ static void ath_tx_send_ampdu(struct ath
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* - h/w queue depth exceeds low water mark
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*/
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if (!skb_queue_empty(&tid->buf_q) || tid->paused ||
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- !BAW_WITHIN(tid->seq_start, tid->baw_size, fi->seqno) ||
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+ !BAW_WITHIN(tid->seq_start, tid->baw_size, seqno) ||
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txctl->txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) {
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/*
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* Add this frame to software queue for scheduling later
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@@ -1463,7 +1468,7 @@ static void ath_tx_send_ampdu(struct ath
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/* Add sub-frame to BAW */
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if (!fi->retries)
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- ath_tx_addto_baw(sc, tid, fi->seqno);
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+ ath_tx_addto_baw(sc, tid, seqno);
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/* Queue to h/w without aggregation */
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TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
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@@ -1519,39 +1524,19 @@ static enum ath9k_pkt_type get_hw_packet
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static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
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int framelen)
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{
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- struct ath_softc *sc = hw->priv;
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struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
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struct ieee80211_sta *sta = tx_info->control.sta;
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struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
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- struct ieee80211_hdr *hdr;
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+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
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struct ath_frame_info *fi = get_frame_info(skb);
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struct ath_node *an = NULL;
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- struct ath_atx_tid *tid;
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enum ath9k_key_type keytype;
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- u16 seqno = 0;
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- u8 tidno;
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keytype = ath9k_cmn_get_hw_crypto_keytype(skb);
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if (sta)
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an = (struct ath_node *) sta->drv_priv;
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- hdr = (struct ieee80211_hdr *)skb->data;
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- if (an && ieee80211_is_data_qos(hdr->frame_control) &&
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- conf_is_ht(&hw->conf) && (sc->sc_flags & SC_OP_TXAGGR)) {
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-
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- tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
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-
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- /*
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- * Override seqno set by upper layer with the one
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- * in tx aggregation state.
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- */
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- tid = ATH_AN_2_TID(an, tidno);
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- seqno = tid->seq_next;
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- hdr->seq_ctrl = cpu_to_le16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
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- INCR(tid->seq_next, IEEE80211_SEQ_MAX);
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- }
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-
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memset(fi, 0, sizeof(*fi));
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if (hw_key)
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fi->keyix = hw_key->hw_key_idx;
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@@ -1561,7 +1546,6 @@ static void setup_frame_info(struct ieee
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fi->keyix = ATH9K_TXKEYIX_INVALID;
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fi->keytype = keytype;
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fi->framelen = framelen;
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- fi->seqno = seqno;
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}
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static int setup_tx_flags(struct sk_buff *skb)
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@@ -1797,6 +1781,7 @@ static void ath_tx_start_dma(struct ath_
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
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struct list_head bf_head;
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struct ath_atx_tid *tid = NULL;
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+ u16 seqno;
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u8 tidno;
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spin_lock_bh(&txctl->txq->axq_lock);
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@@ -1806,6 +1791,12 @@ static void ath_tx_start_dma(struct ath_
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IEEE80211_QOS_CTL_TID_MASK;
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tid = ATH_AN_2_TID(txctl->an, tidno);
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+ seqno = tid->seq_next;
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+ hdr->seq_ctrl = cpu_to_le16(tid->seq_next << IEEE80211_SEQ_SEQ_SHIFT);
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+ INCR(tid->seq_next, IEEE80211_SEQ_MAX);
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+
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+ bf->bf_state.seqno = seqno;
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+
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WARN_ON(tid->ac->txq != txctl->txq);
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}
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