IB/srp: destroy and recreate QP and CQs when reconnecting

Browse source

HW QP FATAL errors persist over a reset operation, but we can recover
from that by recreating the QP and associated CQs for each connection.
Creating a new QP/CQ also completely forecloses any possibility of
getting stale completions or packets on the new connection.

Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il>
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>

[ updated to current code from OFED, cleaned up commit message ]

Signed-off-by: David Dillow <dillowda@ornl.gov>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>

...

This commit is contained in:

Ishai Rabinovitz 2012-11-26 11:44:53 +01:00 • committed by Roland Dreier

parent ef6c49d87c

commit 73aa89ed9e

1 changed files with 35 additions and 31 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

66

drivers/infiniband/ulp/srp/ib_srp.c

View file