diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-08-11 13:52:27 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-08-11 13:52:27 +0000 |
commit | 559f191cc256f9fc93405a74b0fb4dd9339424aa (patch) | |
tree | 3d6e1cf9fed773c35a5cfaec71f59a3633e80c7c /package/mac80211/patches/574-ath9k_limit_qlen.patch | |
parent | a91dd7628bcc9af0b9d4516ad6adc9817a750488 (diff) |
mac80211: update to 2011-08-10
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27958 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/574-ath9k_limit_qlen.patch')
-rw-r--r-- | package/mac80211/patches/574-ath9k_limit_qlen.patch | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/package/mac80211/patches/574-ath9k_limit_qlen.patch b/package/mac80211/patches/574-ath9k_limit_qlen.patch deleted file mode 100644 index 77f1f5c8a..000000000 --- a/package/mac80211/patches/574-ath9k_limit_qlen.patch +++ /dev/null @@ -1,176 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -235,6 +235,7 @@ struct ath_atx_tid { - struct ath_node *an; - struct ath_atx_ac *ac; - unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; -+ int buf_pending; - u16 seq_start; - u16 seq_next; - u16 baw_size; -@@ -283,6 +284,9 @@ struct ath_tx_control { - * (axq_qnum). - */ - struct ath_tx { -+ u32 qlen_single; -+ u32 qlen_aggr; -+ - u16 seq_no; - u32 txqsetup; - spinlock_t txbuflock; ---- a/drivers/net/wireless/ath/ath9k/debug.c -+++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -1250,6 +1250,10 @@ int ath9k_init_debug(struct ath_hw *ah) - sc, &fops_wiphy); - debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, - &fops_xmit); -+ debugfs_create_u32("qlen_single", S_IRUSR | S_IWUSR, -+ sc->debug.debugfs_phy, &sc->tx.qlen_single); -+ debugfs_create_u32("qlen_aggr", S_IRUSR | S_IWUSR, -+ sc->debug.debugfs_phy, &sc->tx.qlen_aggr); - debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc, - &fops_stations); - debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -339,6 +339,14 @@ static void ath_tx_count_frames(struct a - } - } - -+static struct ath_atx_tid *ath_get_tid(struct ath_node *an, struct sk_buff *skb) -+{ -+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -+ u8 tidno; -+ -+ tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; -+ return ATH_AN_2_TID(an, tidno); -+} - - static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, - struct ath_buf *bf, struct list_head *bf_q, -@@ -433,6 +441,8 @@ static void ath_tx_complete_aggr(struct - __skb_queue_head_init(&bf_pending); - - ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad); -+ tid->buf_pending -= nframes; -+ - while (bf) { - txfail = txpending = 0; - bf_next = bf->bf_next; -@@ -790,6 +800,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_ - ath_tx_addto_baw(sc, tid, fi->seqno); - ath9k_hw_set11n_aggr_middle(sc->sc_ah, bf->bf_desc, ndelim); - -+ tid->buf_pending++; - __skb_unlink(skb, &tid->buf_q); - list_add_tail(&bf->list, bf_q); - if (bf_prev) { -@@ -1441,6 +1452,8 @@ static void ath_tx_send_ampdu(struct ath - if (!fi->retries) - ath_tx_addto_baw(sc, tid, fi->seqno); - -+ tid->buf_pending++; -+ - /* Queue to h/w without aggregation */ - TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw); - bf->bf_lastbf = bf; -@@ -1505,7 +1518,6 @@ static void setup_frame_info(struct ieee - struct ath_atx_tid *tid; - enum ath9k_key_type keytype; - u16 seqno = 0; -- u8 tidno; - - keytype = ath9k_cmn_get_hw_crypto_keytype(skb); - -@@ -1516,13 +1528,11 @@ static void setup_frame_info(struct ieee - 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); -+ tid = ath_get_tid(an, skb); - seqno = tid->seq_next; - hdr->seq_ctrl = cpu_to_le16(seqno << IEEE80211_SEQ_SEQ_SHIFT); - INCR(tid->seq_next, IEEE80211_SEQ_MAX); -@@ -1766,24 +1776,14 @@ static struct ath_buf *ath_tx_setup_buff - - /* FIXME: tx power */ - static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf, -- struct ath_tx_control *txctl) -+ struct ath_tx_control *txctl, -+ struct ath_atx_tid *tid) - { - struct sk_buff *skb = bf->bf_mpdu; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); -- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct list_head bf_head; -- struct ath_atx_tid *tid = NULL; -- u8 tidno; - - spin_lock_bh(&txctl->txq->axq_lock); -- if ((sc->sc_flags & SC_OP_TXAGGR) && txctl->an && -- ieee80211_is_data_qos(hdr->frame_control)) { -- tidno = ieee80211_get_qos_ctl(hdr)[0] & -- IEEE80211_QOS_CTL_TID_MASK; -- tid = ATH_AN_2_TID(txctl->an, tidno); -- -- WARN_ON(tid->ac->txq != txctl->txq); -- } - - if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) { - /* -@@ -1824,6 +1824,7 @@ int ath_tx_start(struct ieee80211_hw *hw - struct ieee80211_vif *vif = info->control.vif; - struct ath_softc *sc = hw->priv; - struct ath_txq *txq = txctl->txq; -+ struct ath_atx_tid *tid = NULL; - struct ath_buf *bf; - int padpos, padsize; - int frmlen = skb->len + FCS_LEN; -@@ -1857,6 +1858,7 @@ int ath_tx_start(struct ieee80211_hw *hw - - skb_push(skb, padsize); - memmove(skb->data, skb->data + padsize, padpos); -+ hdr = (struct ieee80211_hdr *) skb->data; - } - - if ((vif && vif->type != NL80211_IFTYPE_AP && -@@ -1866,6 +1868,24 @@ int ath_tx_start(struct ieee80211_hw *hw - - setup_frame_info(hw, skb, frmlen); - -+ if ((sc->sc_flags & SC_OP_TXAGGR) && txctl->an && -+ ieee80211_is_data_qos(hdr->frame_control)) { -+ tid = ath_get_tid(txctl->an, skb); -+ -+ WARN_ON(tid->ac->txq != txq); -+ } -+ -+ if ((info->flags & IEEE80211_TX_CTL_AMPDU) && tid) { -+ if (sc->tx.qlen_aggr > 0 && skb_queue_len(&tid->buf_q) + -+ tid->buf_pending >= sc->tx.qlen_aggr) -+ return -ENOMEM; -+ } else { -+ if (sc->tx.qlen_single > 0 && -+ txq->axq_depth - txq->axq_ampdu_depth >= -+ sc->tx.qlen_single) -+ return -ENOMEM; -+ } -+ - /* - * At this point, the vif, hw_key and sta pointers in the tx control - * info are no longer valid (overwritten by the ath_frame_info data. -@@ -1884,7 +1904,7 @@ int ath_tx_start(struct ieee80211_hw *hw - } - spin_unlock_bh(&txq->axq_lock); - -- ath_tx_start_dma(sc, bf, txctl); -+ ath_tx_start_dma(sc, bf, txctl, tid); - - return 0; - } |