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ath9k: merge some aggregation / rate handling related fixes 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36648 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2013-05-17 09:37:19 +00:00
parent 696b3ede7d
commit fadaa3f96f
3 changed files with 229 additions and 20 deletions
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239
package/mac80211/patches/300-pending_work.patch
View File

@ -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

4
package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -691,6 +691,7 @@ struct ath_softc {
@@ -693,6 +693,7 @@ struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
@ -8,7 +8,7 @@
struct survey_info *cur_survey;
struct survey_info survey[ATH9K_NUM_CHANNELS];
@@ -895,6 +896,7 @@ struct fft_sample_ht20 {
@@ -897,6 +898,7 @@ struct fft_sample_ht20 {
u8 data[SPECTRAL_HT20_NUM_BINS];
} __packed;

6
package/mac80211/patches/530-ath9k_extra_leds.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -553,6 +553,9 @@ struct ath9k_wow_pattern {
@@ -555,6 +555,9 @@ struct ath9k_wow_pattern {
void ath_init_leds(struct ath_softc *sc);
void ath_deinit_leds(struct ath_softc *sc);
void ath_fill_led_pin(struct ath_softc *sc);
@ -10,7 +10,7 @@
#else
static inline void ath_init_leds(struct ath_softc *sc)
{
@@ -687,6 +690,13 @@ enum spectral_mode {
@@ -689,6 +692,13 @@ enum spectral_mode {
SPECTRAL_CHANSCAN,
};
@ -24,7 +24,7 @@
struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
@@ -728,9 +738,8 @@ struct ath_softc {
@@ -730,9 +740,8 @@ struct ath_softc {
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
#ifdef CONFIG_MAC80211_LEDS