diff options
Diffstat (limited to 'package/mac80211/patches/542-ath9k_move_seqno.patch')
| -rw-r--r-- | package/mac80211/patches/542-ath9k_move_seqno.patch | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/package/mac80211/patches/542-ath9k_move_seqno.patch b/package/mac80211/patches/542-ath9k_move_seqno.patch new file mode 100644 index 000000000..c0d293a80 --- /dev/null +++ b/package/mac80211/patches/542-ath9k_move_seqno.patch @@ -0,0 +1,207 @@ +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -211,12 +211,12 @@ struct ath_frame_info { + enum ath9k_key_type keytype; + u8 keyix; + u8 retries; +- u16 seqno; + }; + + struct ath_buf_state { + u8 bf_type; + u8 bfs_paprd; ++ u16 seqno; + unsigned long bfs_paprd_timestamp; + }; + +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -168,7 +168,7 @@ static void ath_tx_flush_tid(struct ath_ + + spin_unlock_bh(&txq->axq_lock); + if (fi->retries) { +- ath_tx_update_baw(sc, tid, fi->seqno); ++ ath_tx_update_baw(sc, tid, bf->bf_state.seqno); + ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 1); + } else { + ath_tx_send_normal(sc, txq, NULL, &bf_head); +@@ -237,7 +237,7 @@ static void ath_tid_drain(struct ath_sof + list_add_tail(&bf->list, &bf_head); + + if (fi->retries) +- ath_tx_update_baw(sc, tid, fi->seqno); ++ ath_tx_update_baw(sc, tid, bf->bf_state.seqno); + + spin_unlock(&txq->axq_lock); + ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0); +@@ -327,7 +327,7 @@ static void ath_tx_count_frames(struct a + + while (bf) { + fi = get_frame_info(bf->bf_mpdu); +- ba_index = ATH_BA_INDEX(seq_st, fi->seqno); ++ ba_index = ATH_BA_INDEX(seq_st, bf->bf_state.seqno); + + (*nframes)++; + if (!txok || (isaggr && !ATH_BA_ISSET(ba, ba_index))) +@@ -428,6 +428,8 @@ static void ath_tx_complete_aggr(struct + + ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad); + while (bf) { ++ u16 seqno = bf->bf_state.seqno; ++ + txfail = txpending = sendbar = 0; + bf_next = bf->bf_next; + +@@ -435,7 +437,7 @@ static void ath_tx_complete_aggr(struct + tx_info = IEEE80211_SKB_CB(skb); + fi = get_frame_info(skb); + +- if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, fi->seqno))) { ++ if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) { + /* transmit completion, subframe is + * acked by block ack */ + acked_cnt++; +@@ -479,7 +481,7 @@ static void ath_tx_complete_aggr(struct + * block-ack window + */ + spin_lock_bh(&txq->axq_lock); +- ath_tx_update_baw(sc, tid, fi->seqno); ++ ath_tx_update_baw(sc, tid, seqno); + spin_unlock_bh(&txq->axq_lock); + + if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) { +@@ -507,7 +509,7 @@ static void ath_tx_complete_aggr(struct + */ + if (!tbf) { + spin_lock_bh(&txq->axq_lock); +- ath_tx_update_baw(sc, tid, fi->seqno); ++ ath_tx_update_baw(sc, tid, seqno); + spin_unlock_bh(&txq->axq_lock); + + bf->bf_state.bf_type |= +@@ -752,17 +754,19 @@ static enum ATH_AGGR_STATUS ath_tx_form_ + struct ieee80211_tx_info *tx_info; + struct ath_frame_info *fi; + struct sk_buff *skb; ++ u16 seqno; + + do { + skb = skb_peek(&tid->buf_q); + fi = get_frame_info(skb); + bf = fi->bf; ++ seqno = bf->bf_state.seqno; + + if (!bf_first) + bf_first = bf; + + /* do not step over block-ack window */ +- if (!BAW_WITHIN(tid->seq_start, tid->baw_size, fi->seqno)) { ++ if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno)) { + status = ATH_AGGR_BAW_CLOSED; + break; + } +@@ -810,7 +814,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_ + + /* link buffers of this frame to the aggregate */ + if (!fi->retries) +- ath_tx_addto_baw(sc, tid, fi->seqno); ++ ath_tx_addto_baw(sc, tid, seqno); + ath9k_hw_set11n_aggr_middle(sc->sc_ah, bf->bf_desc, ndelim); + + __skb_unlink(skb, &tid->buf_q); +@@ -1434,6 +1438,7 @@ static void ath_tx_send_ampdu(struct ath + { + struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu); + struct list_head bf_head; ++ u16 seqno = bf->bf_state.seqno; + + bf->bf_state.bf_type |= BUF_AMPDU; + +@@ -1445,7 +1450,7 @@ static void ath_tx_send_ampdu(struct ath + * - h/w queue depth exceeds low water mark + */ + if (!skb_queue_empty(&tid->buf_q) || tid->paused || +- !BAW_WITHIN(tid->seq_start, tid->baw_size, fi->seqno) || ++ !BAW_WITHIN(tid->seq_start, tid->baw_size, seqno) || + txctl->txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) { + /* + * Add this frame to software queue for scheduling later +@@ -1463,7 +1468,7 @@ static void ath_tx_send_ampdu(struct ath + + /* Add sub-frame to BAW */ + if (!fi->retries) +- ath_tx_addto_baw(sc, tid, fi->seqno); ++ ath_tx_addto_baw(sc, tid, seqno); + + /* Queue to h/w without aggregation */ + TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw); +@@ -1519,39 +1524,19 @@ static enum ath9k_pkt_type get_hw_packet + static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb, + int framelen) + { +- struct ath_softc *sc = hw->priv; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ieee80211_sta *sta = tx_info->control.sta; + struct ieee80211_key_conf *hw_key = tx_info->control.hw_key; +- struct ieee80211_hdr *hdr; ++ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ath_frame_info *fi = get_frame_info(skb); + struct ath_node *an = NULL; +- struct ath_atx_tid *tid; + enum ath9k_key_type keytype; +- u16 seqno = 0; +- u8 tidno; + + keytype = ath9k_cmn_get_hw_crypto_keytype(skb); + + if (sta) + an = (struct ath_node *) sta->drv_priv; + +- hdr = (struct ieee80211_hdr *)skb->data; +- if (an && ieee80211_is_data_qos(hdr->frame_control) && +- conf_is_ht(&hw->conf) && (sc->sc_flags & SC_OP_TXAGGR)) { +- +- tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; +- +- /* +- * Override seqno set by upper layer with the one +- * in tx aggregation state. +- */ +- tid = ATH_AN_2_TID(an, tidno); +- seqno = tid->seq_next; +- hdr->seq_ctrl = cpu_to_le16(seqno << IEEE80211_SEQ_SEQ_SHIFT); +- INCR(tid->seq_next, IEEE80211_SEQ_MAX); +- } +- + memset(fi, 0, sizeof(*fi)); + if (hw_key) + fi->keyix = hw_key->hw_key_idx; +@@ -1561,7 +1546,6 @@ static void setup_frame_info(struct ieee + fi->keyix = ATH9K_TXKEYIX_INVALID; + fi->keytype = keytype; + fi->framelen = framelen; +- fi->seqno = seqno; + } + + static int setup_tx_flags(struct sk_buff *skb) +@@ -1797,6 +1781,7 @@ static void ath_tx_start_dma(struct ath_ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct list_head bf_head; + struct ath_atx_tid *tid = NULL; ++ u16 seqno; + u8 tidno; + + spin_lock_bh(&txctl->txq->axq_lock); +@@ -1806,6 +1791,12 @@ static void ath_tx_start_dma(struct ath_ + IEEE80211_QOS_CTL_TID_MASK; + tid = ATH_AN_2_TID(txctl->an, tidno); + ++ seqno = tid->seq_next; ++ hdr->seq_ctrl = cpu_to_le16(tid->seq_next << IEEE80211_SEQ_SEQ_SHIFT); ++ INCR(tid->seq_next, IEEE80211_SEQ_MAX); ++ ++ bf->bf_state.seqno = seqno; ++ + WARN_ON(tid->ac->txq != txctl->txq); + } + |