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qed: rdma - don't wait for resources under hw error recovery flow

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If the HW device is during recovery, the HW resources will never return,
hence we shouldn't wait for the CID (HW context ID) bitmaps to clear.
This fix speeds up the error recovery flow.

Fixes: 64515dc899 ("qed: Add infrastructure for error detection and recovery")
Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Shai Malin <smalin@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shai Malin 2021-09-22 13:53:26 +03:00 committed by David S. Miller
parent b52d3161c2
commit 1ea7812326
2 changed files with 16 additions and 0 deletions
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8
drivers/net/ethernet/qlogic/qed/qed_iwarp.c
View File

@ -1297,6 +1297,14 @@ qed_iwarp_wait_cid_map_cleared(struct qed_hwfn *p_hwfn, struct qed_bmap *bmap)
prev_weight = weight;
while (weight) {
/* If the HW device is during recovery, all resources are
* immediately reset without receiving a per-cid indication
* from HW. In this case we don't expect the cid_map to be
* cleared.
*/
if (p_hwfn->cdev->recov_in_prog)
return 0;
msleep(QED_IWARP_MAX_CID_CLEAN_TIME);
weight = bitmap_weight(bmap->bitmap, bmap->max_count);

8
drivers/net/ethernet/qlogic/qed/qed_roce.c
View File

@ -77,6 +77,14 @@ void qed_roce_stop(struct qed_hwfn *p_hwfn)
* Beyond the added delay we clear the bitmap anyway.
*/
while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) {
/* If the HW device is during recovery, all resources are
* immediately reset without receiving a per-cid indication
* from HW. In this case we don't expect the cid bitmap to be
* cleared.
*/
if (p_hwfn->cdev->recov_in_prog)
return;
msleep(100);
if (wait_count++ > 20) {
DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n");