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ath9k: prevent excessive buffered multicast traffic from drowning out regular traffic

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

SVN-Revision: 36825
master
Felix Fietkau 11 years ago
parent 532aee10fd
commit 791c103df7
3 changed files with 52 additions and 23 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 65
      package/mac80211/patches/300-pending_work.patch
  2. 4
      package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
  3. 6
      package/mac80211/patches/530-ath9k_extra_leds.patch

65
package/mac80211/patches/300-pending_work.patch
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@ -52,7 +52,15 @@
/********/
/* VIFs */
@@ -658,11 +661,10 @@ enum sc_op_flags {
@@ -410,6 +413,7 @@ struct ath_beacon {
struct ath_descdma bdma;
struct ath_txq *cabq;
struct list_head bbuf;
+ int cabq_dur;
bool tx_processed;
bool tx_last;
@@ -658,11 +662,10 @@ enum sc_op_flags {
struct ath_rate_table;
struct ath9k_vif_iter_data {
@ -4407,7 +4415,7 @@
info.type = get_hw_packet_type(skb);
if (bf->bf_next)
@@ -1142,6 +1146,18 @@ static void ath_tx_fill_desc(struct ath_
@@ -1142,6 +1146,21 @@ static void ath_tx_fill_desc(struct ath_
else
info.link = 0;
@ -4421,12 +4429,15 @@
+ info.flags |= ATH9K_TXDESC_LDPC;
+
+ ath_buf_set_rate(sc, bf, &info, len);
+
+ if (txq == sc->beacon.cabq)
+ sc->beacon.cabq_dur += info.rates[0].PktDuration;
+ }
+
info.buf_addr[0] = bf->bf_buf_addr;
info.buf_len[0] = skb->len;
info.pkt_len = fi->framelen;
@@ -1151,7 +1167,7 @@ static void ath_tx_fill_desc(struct ath_
@@ -1151,7 +1170,7 @@ static void ath_tx_fill_desc(struct ath_
if (aggr) {
if (bf == bf_first)
info.aggr = AGGR_BUF_FIRST;
@ -4435,7 +4446,7 @@
info.aggr = AGGR_BUF_LAST;
else
info.aggr = AGGR_BUF_MIDDLE;
@@ -1160,6 +1176,9 @@ static void ath_tx_fill_desc(struct ath_
@@ -1160,6 +1179,9 @@ static void ath_tx_fill_desc(struct ath_
info.aggr_len = len;
}
@ -4445,7 +4456,7 @@
ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
bf = bf->bf_next;
}
@@ -1224,9 +1243,6 @@ int ath_tx_aggr_start(struct ath_softc *
@@ -1224,9 +1246,6 @@ int ath_tx_aggr_start(struct ath_softc *
an = (struct ath_node *)sta->drv_priv;
txtid = ATH_AN_2_TID(an, tid);
@ -4455,7 +4466,7 @@
/* update ampdu factor/density, they may have changed. This may happen
* in HT IBSS when a beacon with HT-info is received after the station
* has already been added.
@@ -1238,7 +1254,7 @@ int ath_tx_aggr_start(struct ath_softc *
@@ -1238,7 +1257,7 @@ int ath_tx_aggr_start(struct ath_softc *
an->mpdudensity = density;
}
@ -4464,7 +4475,7 @@
txtid->paused = true;
*ssn = txtid->seq_start = txtid->seq_next;
txtid->bar_index = -1;
@@ -1255,28 +1271,9 @@ void ath_tx_aggr_stop(struct ath_softc *
@@ -1255,28 +1274,9 @@ void ath_tx_aggr_stop(struct ath_softc *
struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
struct ath_txq *txq = txtid->ac->txq;
@ -4494,7 +4505,7 @@
ath_tx_flush_tid(sc, txtid);
ath_txq_unlock_complete(sc, txq);
}
@@ -1342,18 +1339,92 @@ void ath_tx_aggr_wakeup(struct ath_softc
@@ -1342,18 +1342,92 @@ void ath_tx_aggr_wakeup(struct ath_softc
}
}
@ -4594,7 +4605,7 @@
}
/********************/
@@ -1709,8 +1780,9 @@ static void ath_tx_txqaddbuf(struct ath_
@@ -1709,8 +1783,9 @@ static void ath_tx_txqaddbuf(struct ath_
}
}
@ -4606,7 +4617,7 @@
{
struct ath_frame_info *fi = get_frame_info(skb);
struct list_head bf_head;
@@ -1723,26 +1795,28 @@ static void ath_tx_send_ampdu(struct ath
@@ -1723,26 +1798,28 @@ static void ath_tx_send_ampdu(struct ath
* - seqno is not within block-ack window
* - h/w queue depth exceeds low water mark
*/
@ -4641,7 +4652,7 @@
bf->bf_state.bf_type = BUF_AMPDU;
INIT_LIST_HEAD(&bf_head);
list_add(&bf->list, &bf_head);
@@ -1751,10 +1825,10 @@ static void ath_tx_send_ampdu(struct ath
@@ -1751,10 +1828,10 @@ static void ath_tx_send_ampdu(struct ath
ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
/* Queue to h/w without aggregation */
@ -4655,7 +4666,7 @@
}
static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
@@ -1892,49 +1966,6 @@ static struct ath_buf *ath_tx_setup_buff
@@ -1892,49 +1969,6 @@ static struct ath_buf *ath_tx_setup_buff
return bf;
}
@ -4705,7 +4716,7 @@
/* 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 +1976,11 @@ int ath_tx_start(struct ieee80211_hw *hw
@@ -1945,8 +1979,11 @@ 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;
@ -4717,7 +4728,7 @@
int q;
/* NOTE: sta can be NULL according to net/mac80211.h */
@@ -2002,8 +2036,47 @@ int ath_tx_start(struct ieee80211_hw *hw
@@ -2002,8 +2039,47 @@ int ath_tx_start(struct ieee80211_hw *hw
txq->stopped = true;
}
@ -4766,7 +4777,7 @@
ath_txq_unlock(sc, txq);
return 0;
@@ -2054,7 +2127,12 @@ static void ath_tx_complete(struct ath_s
@@ -2054,7 +2130,12 @@ static void ath_tx_complete(struct ath_s
}
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
@ -4779,7 +4790,7 @@
if (txq == sc->tx.txq_map[q]) {
if (WARN_ON(--txq->pending_frames < 0))
txq->pending_frames = 0;
@@ -2065,8 +2143,6 @@ static void ath_tx_complete(struct ath_s
@@ -2065,8 +2146,6 @@ static void ath_tx_complete(struct ath_s
txq->stopped = false;
}
}
@ -4788,7 +4799,7 @@
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -2408,12 +2484,10 @@ void ath_tx_node_init(struct ath_softc *
@@ -2408,12 +2487,10 @@ void ath_tx_node_init(struct ath_softc *
tid->baw_head = tid->baw_tail = 0;
tid->sched = false;
tid->paused = false;
@ -4802,7 +4813,7 @@
}
for (acno = 0, ac = &an->ac[acno];
@@ -2450,9 +2524,9 @@ void ath_tx_node_cleanup(struct ath_soft
@@ -2450,9 +2527,9 @@ void ath_tx_node_cleanup(struct ath_soft
}
ath_tid_drain(sc, txq, tid);
@ -4970,3 +4981,21 @@
}
/*
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -204,9 +204,15 @@ static struct ath_buf *ath9k_beacon_gene
}
ath9k_beacon_setup(sc, vif, bf, info->control.rates[0].idx);
+ sc->beacon.cabq_dur = 0;
while (skb) {
ath9k_tx_cabq(hw, skb);
+
+ if (sc->beacon.cabq_dur / 1000 - 1 >
+ sc->cur_beacon_conf.beacon_interval / ATH_BCBUF)
+ break;
+
skb = ieee80211_get_buffered_bc(hw, vif);
}

4
package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
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@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -693,6 +693,7 @@ struct ath_softc {
@@ -694,6 +694,7 @@ 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];
@@ -897,6 +898,7 @@ struct fft_sample_ht20 {
@@ -898,6 +899,7 @@ struct fft_sample_ht20 {
u8 data[SPECTRAL_HT20_NUM_BINS];
} __packed;

6
package/mac80211/patches/530-ath9k_extra_leds.patch
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@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -555,6 +555,9 @@ struct ath9k_wow_pattern {
@@ -556,6 +556,9 @@ 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)
{
@@ -689,6 +692,13 @@ enum spectral_mode {
@@ -690,6 +693,13 @@ enum spectral_mode {
SPECTRAL_CHANSCAN,
};
@ -24,7 +24,7 @@
struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
@@ -730,9 +740,8 @@ struct ath_softc {
@@ -731,9 +741,8 @@ struct ath_softc {
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
#ifdef CONFIG_MAC80211_LEDS

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