On 2014-04-15 06:06, Dave Taht wrote:
> regrettably I am too wiped to look this over further right now, but the
> patchset
> seems very promising.
>
> I will review on a fresh brain in the morning. Other eyeballs desired
> - this will have to get patched on top of 3.14 and then backported to
> the 3.10 backport....
The patch is a rather crude workaround which unfortunately will not
help with narrowing down the cause. Also, doing a chip reset because a
software queue is stuck is overkill.
Please test if this patch helps. The tid->paused flag is no longer
necessary since my rework of the tx path.
---
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -254,7 +254,6 @@ struct ath_atx_tid {
s8 bar_index;
bool sched;
- bool paused;
bool active;
};
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -107,9 +107,6 @@ static void ath_tx_queue_tid(struct ath_
{
struct ath_atx_ac *ac = tid->ac;
- if (tid->paused)
- return;
-
if (tid->sched)
return;
@@ -1407,7 +1404,6 @@ int ath_tx_aggr_start(struct ath_softc *
ath_tx_tid_change_state(sc, txtid);
txtid->active = true;
- txtid->paused = true;
*ssn = txtid->seq_start = txtid->seq_next;
txtid->bar_index = -1;
@@ -1427,7 +1423,6 @@ void ath_tx_aggr_stop(struct ath_softc *
ath_txq_lock(sc, txq);
txtid->active = false;
- txtid->paused = false;
ath_tx_flush_tid(sc, txtid);
ath_tx_tid_change_state(sc, txtid);
ath_txq_unlock_complete(sc, txq);
@@ -1487,7 +1482,7 @@ void ath_tx_aggr_wakeup(struct ath_softc
ath_txq_lock(sc, txq);
ac->clear_ps_filter = true;
- if (!tid->paused && ath_tid_has_buffered(tid)) {
+ if (ath_tid_has_buffered(tid)) {
ath_tx_queue_tid(txq, tid);
ath_txq_schedule(sc, txq);
}
@@ -1510,7 +1505,6 @@ void ath_tx_aggr_resume(struct ath_softc
ath_txq_lock(sc, txq);
tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
- tid->paused = false;
if (ath_tid_has_buffered(tid)) {
ath_tx_queue_tid(txq, tid);
@@ -1544,8 +1538,6 @@ void ath9k_release_buffered_frames(struc
continue;
tid = ATH_AN_2_TID(an, i);
- if (tid->paused)
- continue;
ath_txq_lock(sc, tid->ac->txq);
while (nframes > 0) {
@@ -1844,9 +1836,6 @@ void ath_txq_schedule(struct ath_softc *
list_del(&tid->list);
tid->sched = false;
- if (tid->paused)
- continue;
-
if (ath_tx_sched_aggr(sc, txq, tid, &stop))
sent = true;
@@ -2698,7 +2687,6 @@ void ath_tx_node_init(struct ath_softc *
tid->baw_size = WME_MAX_BA;
tid->baw_head = tid->baw_tail = 0;
tid->sched = false;
- tid->paused = false;
tid->active = false;
__skb_queue_head_init(&tid->buf_q);
__skb_queue_head_init(&tid->retry_q);
_______________________________________________
Cerowrt-devel mailing list
[email protected]
https://lists.bufferbloat.net/listinfo/cerowrt-devel
