* [PATCH 0/1] net: fec: fix rare tx timeout
@ 2018-10-02 12:49 rickard.andersson
2018-10-02 12:49 ` [PATCH 1/1] " rickard.andersson
0 siblings, 1 reply; 3+ messages in thread
From: rickard.andersson @ 2018-10-02 12:49 UTC (permalink / raw)
To: fugang.duan, netdev; +Cc: Rickard x Andersson
From: Rickard x Andersson <rickaran@axis.com>
This patch is not fully verified yet but I would much
appreciate feedback.
Rickard x Andersson (1):
net: fec: fix rare tx timeout
drivers/net/ethernet/freescale/fec_main.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--
2.11.0
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 1/1] net: fec: fix rare tx timeout
2018-10-02 12:49 [PATCH 0/1] net: fec: fix rare tx timeout rickard.andersson
@ 2018-10-02 12:49 ` rickard.andersson
2018-10-02 18:28 ` David Miller
0 siblings, 1 reply; 3+ messages in thread
From: rickard.andersson @ 2018-10-02 12:49 UTC (permalink / raw)
To: fugang.duan, netdev; +Cc: Rickard x Andersson
From: Rickard x Andersson <rickaran@axis.com>
During certain heavy network loads TX could time out
with TX ring dump.
TX is sometimes never restarted after reaching
"tx_stop_threshold" because function "fec_enet_tx_queue"
only tests the first queue.
In addition the TX timeout callback function failed to
recover because it also operated only on the first queue.
Signed-off-by: Rickard x Andersson <rickaran@axis.com>
---
drivers/net/ethernet/freescale/fec_main.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index eb2ea231c7..8bfa6ef826 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1155,7 +1155,7 @@ static void fec_enet_timeout_work(struct work_struct *work)
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
- netif_wake_queue(ndev);
+ netif_tx_wake_all_queues(ndev);
netif_tx_unlock_bh(ndev);
napi_enable(&fep->napi);
}
@@ -1270,7 +1270,7 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id)
/* Since we have freed up a buffer, the ring is no longer full
*/
- if (netif_queue_stopped(ndev)) {
+ if (netif_tx_queue_stopped(nq)) {
entries_free = fec_enet_get_free_txdesc_num(txq);
if (entries_free >= txq->tx_wake_threshold)
netif_tx_wake_queue(nq);
@@ -1747,7 +1747,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
- netif_wake_queue(ndev);
+ netif_tx_wake_all_queues(ndev);
netif_tx_unlock_bh(ndev);
napi_enable(&fep->napi);
}
@@ -2249,7 +2249,7 @@ static int fec_enet_set_pauseparam(struct net_device *ndev,
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
- netif_wake_queue(ndev);
+ netif_tx_wake_all_queues(ndev);
netif_tx_unlock_bh(ndev);
napi_enable(&fep->napi);
}
--
2.11.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1] net: fec: fix rare tx timeout
2018-10-02 12:49 ` [PATCH 1/1] " rickard.andersson
@ 2018-10-02 18:28 ` David Miller
0 siblings, 0 replies; 3+ messages in thread
From: David Miller @ 2018-10-02 18:28 UTC (permalink / raw)
To: rickard.andersson; +Cc: fugang.duan, netdev, rickaran
From: <rickard.andersson@axis.com>
Date: Tue, 2 Oct 2018 14:49:32 +0200
> From: Rickard x Andersson <rickaran@axis.com>
>
> During certain heavy network loads TX could time out
> with TX ring dump.
> TX is sometimes never restarted after reaching
> "tx_stop_threshold" because function "fec_enet_tx_queue"
> only tests the first queue.
>
> In addition the TX timeout callback function failed to
> recover because it also operated only on the first queue.
>
> Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Applied and queued up for -stable.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2018-10-03 1:13 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2018-10-02 12:49 [PATCH 0/1] net: fec: fix rare tx timeout rickard.andersson
2018-10-02 12:49 ` [PATCH 1/1] " rickard.andersson
2018-10-02 18:28 ` David Miller
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