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ath9k: merge a fix for tx processing issues with aggregation

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

SVN-Revision: 37982
This commit is contained in:
Felix Fietkau 2013-09-14 14:46:39 +00:00
parent ec5ee2f269
commit 6eeb0261e6
1 changed files with 54 additions and 46 deletions
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100
package/kernel/mac80211/patches/300-pending_work.patch
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@ -573,7 +573,15 @@
}
static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq,
@@ -380,7 +456,6 @@ static void ath_tx_complete_aggr(struct
@@ -323,6 +399,7 @@ static struct ath_buf* ath_clone_txbuf(s
tbf->bf_buf_addr = bf->bf_buf_addr;
memcpy(tbf->bf_desc, bf->bf_desc, sc->sc_ah->caps.tx_desc_len);
tbf->bf_state = bf->bf_state;
+ tbf->bf_state.stale = false;
return tbf;
}
@@ -380,7 +457,6 @@ static void ath_tx_complete_aggr(struct
struct ieee80211_tx_rate rates[4];
struct ath_frame_info *fi;
int nframes;
@ -581,7 +589,7 @@
bool flush = !!(ts->ts_status & ATH9K_TX_FLUSH);
int i, retries;
int bar_index = -1;
@@ -406,7 +481,7 @@ static void ath_tx_complete_aggr(struct
@@ -406,7 +482,7 @@ static void ath_tx_complete_aggr(struct
while (bf) {
bf_next = bf->bf_next;
@ -590,7 +598,7 @@
list_move_tail(&bf->list, &bf_head);
ath_tx_complete_buf(sc, bf, txq, &bf_head, ts, 0);
@@ -417,8 +492,7 @@ static void ath_tx_complete_aggr(struct
@@ -417,8 +493,7 @@ static void ath_tx_complete_aggr(struct
}
an = (struct ath_node *)sta->drv_priv;
@ -600,7 +608,7 @@
seq_first = tid->seq_start;
isba = ts->ts_flags & ATH9K_TX_BA;
@@ -430,7 +504,7 @@ static void ath_tx_complete_aggr(struct
@@ -430,7 +505,7 @@ static void ath_tx_complete_aggr(struct
* Only BlockAcks have a TID and therefore normal Acks cannot be
* checked
*/
@ -609,7 +617,7 @@
txok = false;
isaggr = bf_isaggr(bf);
@@ -466,7 +540,8 @@ static void ath_tx_complete_aggr(struct
@@ -466,7 +541,8 @@ static void ath_tx_complete_aggr(struct
tx_info = IEEE80211_SKB_CB(skb);
fi = get_frame_info(skb);
@ -619,7 +627,7 @@
/*
* Outside of the current BlockAck window,
* maybe part of a previous session
@@ -499,7 +574,7 @@ static void ath_tx_complete_aggr(struct
@@ -499,7 +575,7 @@ static void ath_tx_complete_aggr(struct
* not a holding desc.
*/
INIT_LIST_HEAD(&bf_head);
@ -628,7 +636,7 @@
list_move_tail(&bf->list, &bf_head);
if (!txpending) {
@@ -523,7 +598,7 @@ static void ath_tx_complete_aggr(struct
@@ -523,7 +599,7 @@ static void ath_tx_complete_aggr(struct
ieee80211_sta_eosp(sta);
}
/* retry the un-acked ones */
@ -637,7 +645,7 @@
struct ath_buf *tbf;
tbf = ath_clone_txbuf(sc, bf_last);
@@ -560,7 +635,7 @@ static void ath_tx_complete_aggr(struct
@@ -560,7 +636,7 @@ static void ath_tx_complete_aggr(struct
if (an->sleeping)
ieee80211_sta_set_buffered(sta, tid->tidno, true);
@ -646,7 +654,7 @@
if (!an->sleeping) {
ath_tx_queue_tid(txq, tid);
@@ -618,7 +693,7 @@ static void ath_tx_process_buffer(struct
@@ -618,7 +694,7 @@ static void ath_tx_process_buffer(struct
} else
ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok);
@ -655,7 +663,7 @@
ath_txq_schedule(sc, txq);
}
@@ -792,15 +867,20 @@ static int ath_compute_num_delims(struct
@@ -792,15 +868,20 @@ static int ath_compute_num_delims(struct
static struct ath_buf *
ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
@ -678,7 +686,7 @@
if (!skb)
break;
@@ -808,13 +888,26 @@ ath_tx_get_tid_subframe(struct ath_softc
@@ -808,13 +889,26 @@ ath_tx_get_tid_subframe(struct ath_softc
bf = fi->bf;
if (!fi->bf)
bf = ath_tx_setup_buffer(sc, txq, tid, skb);
@ -706,7 +714,7 @@
bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
seqno = bf->bf_state.seqno;
@@ -828,73 +921,52 @@ ath_tx_get_tid_subframe(struct ath_softc
@@ -828,73 +922,52 @@ ath_tx_get_tid_subframe(struct ath_softc
INIT_LIST_HEAD(&bf_head);
list_add(&bf->list, &bf_head);
@ -801,7 +809,7 @@
}
/* add padding for previous frame to aggregation length */
@@ -912,22 +984,37 @@ static enum ATH_AGGR_STATUS ath_tx_form_
@@ -912,22 +985,37 @@ static enum ATH_AGGR_STATUS ath_tx_form_
bf->bf_next = NULL;
/* link buffers of this frame to the aggregate */
@ -844,7 +852,7 @@
#undef PADBYTES
}
@@ -999,7 +1086,7 @@ void ath_update_max_aggr_framelen(struct
@@ -999,7 +1087,7 @@ void ath_update_max_aggr_framelen(struct
}
static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
@ -853,7 +861,7 @@
{
struct ath_hw *ah = sc->sc_ah;
struct sk_buff *skb;
@@ -1008,6 +1095,7 @@ static void ath_buf_set_rate(struct ath_
@@ -1008,6 +1096,7 @@ static void ath_buf_set_rate(struct ath_
const struct ieee80211_rate *rate;
struct ieee80211_hdr *hdr;
struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu);
@ -861,7 +869,7 @@
int i;
u8 rix = 0;
@@ -1030,7 +1118,17 @@ static void ath_buf_set_rate(struct ath_
@@ -1030,7 +1119,17 @@ static void ath_buf_set_rate(struct ath_
rix = rates[i].idx;
info->rates[i].Tries = rates[i].count;
@ -880,7 +888,7 @@
info->rates[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
info->flags |= ATH9K_TXDESC_RTSENA;
} else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
@@ -1123,6 +1221,8 @@ static void ath_tx_fill_desc(struct ath_
@@ -1123,6 +1222,8 @@ static void ath_tx_fill_desc(struct ath_
struct ath_hw *ah = sc->sc_ah;
struct ath_buf *bf_first = NULL;
struct ath_tx_info info;
@ -889,7 +897,7 @@
memset(&info, 0, sizeof(info));
info.is_first = true;
@@ -1159,7 +1259,22 @@ static void ath_tx_fill_desc(struct ath_
@@ -1159,7 +1260,22 @@ static void ath_tx_fill_desc(struct ath_
info.flags |= (u32) bf->bf_state.bfs_paprd <<
ATH9K_TXDESC_PAPRD_S;
@ -913,7 +921,7 @@
}
info.buf_addr[0] = bf->bf_buf_addr;
@@ -1188,53 +1303,86 @@ static void ath_tx_fill_desc(struct ath_
@@ -1188,53 +1304,86 @@ static void ath_tx_fill_desc(struct ath_
}
}
@ -1035,7 +1043,7 @@
}
int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
@@ -1258,6 +1406,9 @@ int ath_tx_aggr_start(struct ath_softc *
@@ -1258,6 +1407,9 @@ int ath_tx_aggr_start(struct ath_softc *
an->mpdudensity = density;
}
@ -1045,7 +1053,7 @@
txtid->active = true;
txtid->paused = true;
*ssn = txtid->seq_start = txtid->seq_next;
@@ -1277,8 +1428,9 @@ void ath_tx_aggr_stop(struct ath_softc *
@@ -1277,8 +1429,9 @@ void ath_tx_aggr_stop(struct ath_softc *
ath_txq_lock(sc, txq);
txtid->active = false;
@ -1056,7 +1064,7 @@
ath_txq_unlock_complete(sc, txq);
}
@@ -1302,7 +1454,7 @@ void ath_tx_aggr_sleep(struct ieee80211_
@@ -1302,7 +1455,7 @@ void ath_tx_aggr_sleep(struct ieee80211_
ath_txq_lock(sc, txq);
@ -1065,7 +1073,7 @@
tid->sched = false;
list_del(&tid->list);
@@ -1334,7 +1486,7 @@ void ath_tx_aggr_wakeup(struct ath_softc
@@ -1334,7 +1487,7 @@ void ath_tx_aggr_wakeup(struct ath_softc
ath_txq_lock(sc, txq);
ac->clear_ps_filter = true;
@ -1074,7 +1082,7 @@
ath_tx_queue_tid(txq, tid);
ath_txq_schedule(sc, txq);
}
@@ -1359,7 +1511,7 @@ void ath_tx_aggr_resume(struct ath_softc
@@ -1359,7 +1512,7 @@ void ath_tx_aggr_resume(struct ath_softc
tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
tid->paused = false;
@ -1083,7 +1091,7 @@
ath_tx_queue_tid(txq, tid);
ath_txq_schedule(sc, txq);
}
@@ -1379,6 +1531,7 @@ void ath9k_release_buffered_frames(struc
@@ -1379,6 +1532,7 @@ void ath9k_release_buffered_frames(struc
struct ieee80211_tx_info *info;
struct list_head bf_q;
struct ath_buf *bf_tail = NULL, *bf;
@ -1091,7 +1099,7 @@
int sent = 0;
int i;
@@ -1394,15 +1547,15 @@ void ath9k_release_buffered_frames(struc
@@ -1394,15 +1548,15 @@ void ath9k_release_buffered_frames(struc
continue;
ath_txq_lock(sc, tid->ac->txq);
@ -1111,7 +1119,7 @@
bf->bf_state.bf_type &= ~BUF_AGGR;
if (bf_tail)
bf_tail->bf_next = bf;
@@ -1412,7 +1565,7 @@ void ath9k_release_buffered_frames(struc
@@ -1412,7 +1566,7 @@ void ath9k_release_buffered_frames(struc
sent++;
TX_STAT_INC(txq->axq_qnum, a_queued_hw);
@ -1120,7 +1128,7 @@
ieee80211_sta_set_buffered(an->sta, i, false);
}
ath_txq_unlock_complete(sc, tid->ac->txq);
@@ -1571,7 +1724,7 @@ static void ath_drain_txq_list(struct at
@@ -1571,7 +1725,7 @@ static void ath_drain_txq_list(struct at
while (!list_empty(list)) {
bf = list_first_entry(list, struct ath_buf, list);
@ -1129,7 +1137,7 @@
list_del(&bf->list);
ath_tx_return_buffer(sc, bf);
@@ -1665,25 +1818,27 @@ void ath_tx_cleanupq(struct ath_softc *s
@@ -1665,25 +1819,27 @@ void ath_tx_cleanupq(struct ath_softc *s
*/
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
{
@ -1162,7 +1170,7 @@
tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
list);
list_del(&tid->list);
@@ -1692,17 +1847,17 @@ void ath_txq_schedule(struct ath_softc *
@@ -1692,17 +1848,17 @@ void ath_txq_schedule(struct ath_softc *
if (tid->paused)
continue;
@ -1184,7 +1192,7 @@
break;
}
@@ -1711,9 +1866,17 @@ void ath_txq_schedule(struct ath_softc *
@@ -1711,9 +1867,17 @@ void ath_txq_schedule(struct ath_softc *
list_add_tail(&ac->list, &txq->axq_acq);
}
@ -1204,7 +1212,7 @@
}
rcu_read_unlock();
@@ -1792,57 +1955,6 @@ static void ath_tx_txqaddbuf(struct ath_
@@ -1792,57 +1956,6 @@ static void ath_tx_txqaddbuf(struct ath_
}
}
@ -1262,7 +1270,7 @@
static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
struct ath_atx_tid *tid, struct sk_buff *skb)
{
@@ -1985,6 +2097,7 @@ static int ath_tx_prepare(struct ieee802
@@ -1985,6 +2098,7 @@ static int ath_tx_prepare(struct ieee802
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = txctl->sta;
struct ieee80211_vif *vif = info->control.vif;
@ -1270,7 +1278,7 @@
struct ath_softc *sc = hw->priv;
int frmlen = skb->len + FCS_LEN;
int padpos, padsize;
@@ -1992,6 +2105,10 @@ static int ath_tx_prepare(struct ieee802
@@ -1992,6 +2106,10 @@ static int ath_tx_prepare(struct ieee802
/* NOTE: sta can be NULL according to net/mac80211.h */
if (sta)
txctl->an = (struct ath_node *)sta->drv_priv;
@ -1281,7 +1289,7 @@
if (info->control.hw_key)
frmlen += info->control.hw_key->icv_len;
@@ -2041,7 +2158,6 @@ int ath_tx_start(struct ieee80211_hw *hw
@@ -2041,7 +2159,6 @@ int ath_tx_start(struct ieee80211_hw *hw
struct ath_txq *txq = txctl->txq;
struct ath_atx_tid *tid = NULL;
struct ath_buf *bf;
@ -1289,7 +1297,7 @@
int q;
int ret;
@@ -2069,27 +2185,31 @@ int ath_tx_start(struct ieee80211_hw *hw
@@ -2069,27 +2186,31 @@ int ath_tx_start(struct ieee80211_hw *hw
ath_txq_unlock(sc, txq);
txq = sc->tx.uapsdq;
ath_txq_lock(sc, txq);
@ -1332,7 +1340,7 @@
if (txctl->paprd)
dev_kfree_skb_any(skb);
else
@@ -2142,7 +2262,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
@@ -2142,7 +2263,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
bf->bf_lastbf = bf;
ath_set_rates(vif, NULL, bf);
@ -1341,7 +1349,7 @@
duration += info.rates[0].PktDuration;
if (bf_tail)
bf_tail->bf_next = bf;
@@ -2189,7 +2309,7 @@ static void ath_tx_complete(struct ath_s
@@ -2189,7 +2310,7 @@ static void ath_tx_complete(struct ath_s
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
@ -1350,7 +1358,7 @@
unsigned long flags;
ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
@@ -2225,21 +2345,7 @@ static void ath_tx_complete(struct ath_s
@@ -2225,21 +2346,7 @@ static void ath_tx_complete(struct ath_s
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
__skb_queue_tail(&txq->complete_q, skb);
@ -1373,7 +1381,7 @@
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -2360,8 +2466,7 @@ static void ath_tx_processq(struct ath_s
@@ -2360,8 +2467,7 @@ static void ath_tx_processq(struct ath_s
if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL;
@ -1383,7 +1391,7 @@
break;
}
bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
@@ -2375,7 +2480,7 @@ static void ath_tx_processq(struct ath_s
@@ -2375,7 +2481,7 @@ static void ath_tx_processq(struct ath_s
* it with the STALE flag.
*/
bf_held = NULL;
@ -1392,7 +1400,7 @@
bf_held = bf;
if (list_is_last(&bf_held->list, &txq->axq_q))
break;
@@ -2399,7 +2504,7 @@ static void ath_tx_processq(struct ath_s
@@ -2399,7 +2505,7 @@ static void ath_tx_processq(struct ath_s
* however leave the last descriptor back as the holding
* descriptor for hw.
*/
@ -1401,7 +1409,7 @@
INIT_LIST_HEAD(&bf_head);
if (!list_is_singular(&lastbf->list))
list_cut_position(&bf_head,
@@ -2470,7 +2575,7 @@ void ath_tx_edma_tasklet(struct ath_soft
@@ -2470,7 +2576,7 @@ void ath_tx_edma_tasklet(struct ath_soft
}
bf = list_first_entry(fifo_list, struct ath_buf, list);
@ -1410,7 +1418,7 @@
list_del(&bf->list);
ath_tx_return_buffer(sc, bf);
bf = list_first_entry(fifo_list, struct ath_buf, list);
@@ -2492,7 +2597,7 @@ void ath_tx_edma_tasklet(struct ath_soft
@@ -2492,7 +2598,7 @@ void ath_tx_edma_tasklet(struct ath_soft
ath_tx_txqaddbuf(sc, txq, &bf_q, true);
}
} else {
@ -1419,7 +1427,7 @@
if (bf != lastbf)
list_cut_position(&bf_head, fifo_list,
lastbf->list.prev);
@@ -2583,6 +2688,7 @@ void ath_tx_node_init(struct ath_softc *
@@ -2583,6 +2689,7 @@ void ath_tx_node_init(struct ath_softc *
tid->paused = false;
tid->active = false;
__skb_queue_head_init(&tid->buf_q);
@ -1427,7 +1435,7 @@
acno = TID_TO_WME_AC(tidno);
tid->ac = &an->ac[acno];
}
@@ -2590,6 +2696,7 @@ void ath_tx_node_init(struct ath_softc *
@@ -2590,6 +2697,7 @@ void ath_tx_node_init(struct ath_softc *
for (acno = 0, ac = &an->ac[acno];
acno < IEEE80211_NUM_ACS; acno++, ac++) {
ac->sched = false;