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authorFelix Fietkau <nbd@openwrt.org>2013-05-17 09:37:19 +0000
committerFelix Fietkau <nbd@openwrt.org>2013-05-17 09:37:19 +0000
commit7f847fe47c11b6687e1d395a2e8eb048786548c8 (patch)
treeadce5b7140b5125c6ff9062ad95842fe6647a4b3 /package/mac80211/patches/300-pending_work.patch
parent9b1181ed6636e911cbab055502d02d6cd0de6eac (diff)
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ath9k: merge some aggregation / rate handling related fixes
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 36648
Diffstat (limited to 'package/mac80211/patches/300-pending_work.patch')
-rw-r--r--package/mac80211/patches/300-pending_work.patch239
1 files changed, 224 insertions, 15 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 7870cbac71..e1f6af536b 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -8,7 +8,25 @@
struct ath_buf_state bf_state;
};
-@@ -658,11 +659,10 @@ enum sc_op_flags {
+@@ -253,6 +254,7 @@ struct ath_atx_tid {
+ int sched;
+ int paused;
+ u8 state;
++ bool stop_cb;
+ };
+
+ struct ath_node {
+@@ -350,7 +352,8 @@ void ath_tx_tasklet(struct ath_softc *sc
+ void ath_tx_edma_tasklet(struct ath_softc *sc);
+ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+ u16 tid, u16 *ssn);
+-void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
++bool ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid,
++ bool flush);
+ void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+
+ void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
+@@ -658,11 +661,10 @@ enum sc_op_flags {
struct ath_rate_table;
struct ath9k_vif_iter_data {
@@ -139,6 +157,32 @@
}
static int ath9k_sta_remove(struct ieee80211_hw *hw,
+@@ -1678,6 +1687,7 @@ static int ath9k_ampdu_action(struct iee
+ u16 tid, u16 *ssn, u8 buf_size)
+ {
+ struct ath_softc *sc = hw->priv;
++ bool flush = false, cb;
+ int ret = 0;
+
+ local_bh_disable();
+@@ -1694,12 +1704,14 @@ static int ath9k_ampdu_action(struct iee
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ ath9k_ps_restore(sc);
+ break;
+- case IEEE80211_AMPDU_TX_STOP_CONT:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
++ flush = true;
++ case IEEE80211_AMPDU_TX_STOP_CONT:
+ ath9k_ps_wakeup(sc);
+- ath_tx_aggr_stop(sc, sta, tid);
+- ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
++ cb = ath_tx_aggr_stop(sc, sta, tid, flush);
++ if (cb)
++ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ ath9k_ps_restore(sc);
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1493,9 +1493,6 @@ enum {
@@ -3653,10 +3697,11 @@
hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -157,6 +157,13 @@ static void ath_send_bar(struct ath_atx_
+@@ -157,7 +157,27 @@ static void ath_send_bar(struct ath_atx_
seqno << IEEE80211_SEQ_SEQ_SHIFT);
}
+-static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
+static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ath_buf *bf)
+{
@@ -3664,10 +3709,44 @@
+ ARRAY_SIZE(bf->rates));
+}
+
- static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
++static void ath_tx_clear_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
++{
++ tid->state &= ~AGGR_ADDBA_COMPLETE;
++ tid->state &= ~AGGR_CLEANUP;
++ if (!tid->stop_cb)
++ return;
++
++ ieee80211_start_tx_ba_cb_irqsafe(tid->an->vif, tid->an->sta->addr,
++ tid->tidno);
++ tid->stop_cb = false;
++}
++
++static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid,
++ bool flush_packets)
{
struct ath_txq *txq = tid->ac->txq;
-@@ -189,6 +196,7 @@ static void ath_tx_flush_tid(struct ath_
+ struct sk_buff *skb;
+@@ -174,31 +194,29 @@ static void ath_tx_flush_tid(struct ath_
+ while ((skb = __skb_dequeue(&tid->buf_q))) {
+ fi = get_frame_info(skb);
+ bf = fi->bf;
++ if (!bf && !flush_packets)
++ bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+
+ if (!bf) {
+- bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+- if (!bf) {
+- ieee80211_free_txskb(sc->hw, skb);
+- continue;
+- }
++ ieee80211_free_txskb(sc->hw, skb);
++ continue;
+ }
+
+- if (fi->retries) {
++ if (fi->retries || flush_packets) {
+ list_add_tail(&bf->list, &bf_head);
+ ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
sendbar = true;
} else {
@@ -3675,7 +3754,31 @@
ath_tx_send_normal(sc, txq, NULL, skb);
}
}
-@@ -407,7 +415,7 @@ static void ath_tx_complete_aggr(struct
+
+- if (tid->baw_head == tid->baw_tail) {
+- tid->state &= ~AGGR_ADDBA_COMPLETE;
+- tid->state &= ~AGGR_CLEANUP;
+- }
++ if (tid->baw_head == tid->baw_tail)
++ ath_tx_clear_tid(sc, tid);
+
+- if (sendbar) {
++ if (sendbar && !flush_packets) {
+ ath_txq_unlock(sc, txq);
+ ath_send_bar(tid, tid->seq_start);
+ ath_txq_lock(sc, txq);
+@@ -269,9 +287,7 @@ static void ath_tid_drain(struct ath_sof
+
+ list_add_tail(&bf->list, &bf_head);
+
+- if (fi->retries)
+- ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
+-
++ ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
+ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
+ }
+
+@@ -407,7 +423,7 @@ static void ath_tx_complete_aggr(struct
tx_info = IEEE80211_SKB_CB(skb);
@@ -3684,7 +3787,47 @@
retries = ts->ts_longretry + 1;
for (i = 0; i < ts->ts_rateindex; i++)
-@@ -736,8 +744,6 @@ static int ath_compute_num_delims(struct
+@@ -594,7 +610,7 @@ static void ath_tx_complete_aggr(struct
+ }
+
+ if (tid->state & AGGR_CLEANUP)
+- ath_tx_flush_tid(sc, tid);
++ ath_tx_flush_tid(sc, tid, false);
+
+ rcu_read_unlock();
+
+@@ -612,6 +628,7 @@ static void ath_tx_process_buffer(struct
+ struct ath_tx_status *ts, struct ath_buf *bf,
+ struct list_head *bf_head)
+ {
++ struct ieee80211_tx_info *info;
+ bool txok, flush;
+
+ txok = !(ts->ts_status & ATH9K_TXERR_MASK);
+@@ -623,8 +640,12 @@ static void ath_tx_process_buffer(struct
+ txq->axq_ampdu_depth--;
+
+ if (!bf_isampdu(bf)) {
+- if (!flush)
++ if (!flush) {
++ info = IEEE80211_SKB_CB(bf->bf_mpdu);
++ memcpy(info->control.rates, bf->rates,
++ sizeof(info->control.rates));
+ ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
++ }
+ ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok);
+ } else
+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok);
+@@ -668,7 +689,7 @@ static u32 ath_lookup_rate(struct ath_so
+
+ skb = bf->bf_mpdu;
+ tx_info = IEEE80211_SKB_CB(skb);
+- rates = tx_info->control.rates;
++ rates = bf->rates;
+
+ /*
+ * Find the lowest frame length among the rate series that will have a
+@@ -736,8 +757,6 @@ static int ath_compute_num_delims(struct
bool first_subfrm)
{
#define FIRST_DESC_NDELIMS 60
@@ -3693,7 +3836,7 @@
u32 nsymbits, nsymbols;
u16 minlen;
u8 flags, rix;
-@@ -778,8 +784,8 @@ static int ath_compute_num_delims(struct
+@@ -778,8 +797,8 @@ static int ath_compute_num_delims(struct
if (tid->an->mpdudensity == 0)
return ndelim;
@@ -3704,7 +3847,7 @@
width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
-@@ -858,6 +864,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+@@ -858,6 +877,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
bf_first = bf;
if (!rl) {
@@ -3712,7 +3855,7 @@
aggr_limit = ath_lookup_rate(sc, bf, tid);
rl = 1;
}
-@@ -998,14 +1005,14 @@ static void ath_buf_set_rate(struct ath_
+@@ -998,14 +1018,14 @@ static void ath_buf_set_rate(struct ath_
skb = bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
@@ -3729,7 +3872,55 @@
bool is_40, is_sgi, is_sp;
int phy;
-@@ -1743,6 +1750,7 @@ static void ath_tx_send_ampdu(struct ath
+@@ -1249,18 +1269,23 @@ int ath_tx_aggr_start(struct ath_softc *
+ return 0;
+ }
+
+-void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
++bool ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid,
++ bool flush)
+ {
+ struct ath_node *an = (struct ath_node *)sta->drv_priv;
+ struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
+ struct ath_txq *txq = txtid->ac->txq;
++ bool ret = !flush;
++
++ if (flush)
++ txtid->stop_cb = false;
+
+ if (txtid->state & AGGR_CLEANUP)
+- return;
++ return false;
+
+ if (!(txtid->state & AGGR_ADDBA_COMPLETE)) {
+ txtid->state &= ~AGGR_ADDBA_PROGRESS;
+- return;
++ return ret;
+ }
+
+ ath_txq_lock(sc, txq);
+@@ -1272,13 +1297,17 @@ void ath_tx_aggr_stop(struct ath_softc *
+ * TID can only be reused after all in-progress subframes have been
+ * completed.
+ */
+- if (txtid->baw_head != txtid->baw_tail)
++ if (txtid->baw_head != txtid->baw_tail) {
+ txtid->state |= AGGR_CLEANUP;
+- else
++ ret = false;
++ txtid->stop_cb = !flush;
++ } else {
+ txtid->state &= ~AGGR_ADDBA_COMPLETE;
++ }
+
+- ath_tx_flush_tid(sc, txtid);
++ ath_tx_flush_tid(sc, txtid, flush);
+ ath_txq_unlock_complete(sc, txq);
++ return ret;
+ }
+
+ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
+@@ -1743,6 +1772,7 @@ static void ath_tx_send_ampdu(struct ath
return;
}
@@ -3737,7 +3928,7 @@
bf->bf_state.bf_type = BUF_AMPDU;
INIT_LIST_HEAD(&bf_head);
list_add(&bf->list, &bf_head);
-@@ -1892,49 +1900,6 @@ static struct ath_buf *ath_tx_setup_buff
+@@ -1892,49 +1922,6 @@ static struct ath_buf *ath_tx_setup_buff
return bf;
}
@@ -3787,7 +3978,7 @@
/* Upon failure caller should free skb */
int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ath_tx_control *txctl)
-@@ -1945,8 +1910,11 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1945,8 +1932,11 @@ 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;
@@ -3799,7 +3990,7 @@
int q;
/* NOTE: sta can be NULL according to net/mac80211.h */
-@@ -2002,8 +1970,41 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -2002,8 +1992,41 @@ int ath_tx_start(struct ieee80211_hw *hw
txq->stopped = true;
}
@@ -3820,7 +4011,7 @@
+ ath_tx_send_ampdu(sc, tid, skb, txctl);
+ goto out;
+ }
-+
+
+ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+ if (!bf) {
+ if (txctl->paprd)
@@ -3837,11 +4028,29 @@
+
+ ath_set_rates(vif, sta, bf);
+ ath_tx_send_normal(sc, txctl->txq, tid, skb);
-
++
+out:
ath_txq_unlock(sc, txq);
return 0;
+@@ -2414,6 +2437,7 @@ void ath_tx_node_init(struct ath_softc *
+ tid->ac = &an->ac[acno];
+ tid->state &= ~AGGR_ADDBA_COMPLETE;
+ tid->state &= ~AGGR_ADDBA_PROGRESS;
++ tid->stop_cb = false;
+ }
+
+ for (acno = 0, ac = &an->ac[acno];
+@@ -2450,8 +2474,7 @@ void ath_tx_node_cleanup(struct ath_soft
+ }
+
+ ath_tid_drain(sc, txq, tid);
+- tid->state &= ~AGGR_ADDBA_COMPLETE;
+- tid->state &= ~AGGR_CLEANUP;
++ ath_tx_clear_tid(sc, tid);
+
+ ath_txq_unlock(sc, txq);
+ }
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -124,7 +124,7 @@ static bool ath_rx_edma_buf_link(struct