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| author |   Denis Bolotin <dbolotin@marvell.com> | 2019-04-14 17:23:07 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-04-14 13:59:49 -0700 |
| commit | d4476b8a6151b2dd86c09b5acec64f66430db55d (patch) | |
| tree | c034703ebfb6ce563eb9d9cb7a069421f9ae7a2a /drivers/net/ethernet/qlogic/qed/qed_main.c | |
| parent | qed: Fix the doorbell address sanity check (diff) | |
| download | linux-dev-d4476b8a6151b2dd86c09b5acec64f66430db55d.tar.xz linux-dev-d4476b8a6151b2dd86c09b5acec64f66430db55d.zip | |
qed: Fix missing DORQ attentions
When the DORQ (doorbell block) is overflowed, all PFs get attentions at the
same time. If one PF finished handling the attention before another PF even
started, the second PF might miss the DORQ's attention bit and not handle
the attention at all.
If the DORQ attention is missed and the issue is not resolved, another
attention will not be sent, therefore each attention is treated as a
potential DORQ attention.
As a result, the attention callback is called more frequently so the debug
print was moved to reduce its quantity.
The number of periodic doorbell recovery handler schedules was reduced
because it was the previous way to mitigating the missed attention issue.
Signed-off-by: Denis Bolotin <dbolotin@marvell.com>
Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_main.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index f164d4acebcb..6de23b56b294 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -970,7 +970,7 @@ static void qed_update_pf_params(struct qed_dev *cdev, } } -#define QED_PERIODIC_DB_REC_COUNT 100 +#define QED_PERIODIC_DB_REC_COUNT 10 #define QED_PERIODIC_DB_REC_INTERVAL_MS 100 #define QED_PERIODIC_DB_REC_INTERVAL \ msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS) |