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authorYonatan Cohen <yonatanc@mellanox.com>2016-11-16 10:39:17 +0200
committerDoug Ledford <dledford@redhat.com>2016-11-16 20:03:44 -0500
commitaa75b07b478a774b1432e2df1be5cd8ae834de0f (patch)
tree61258e0d529054999d30e085d1609ed4f4c5e0ba /drivers/infiniband/sw/rxe/rxe_qp.c
parentIB/rxe: Fix handling of erroneous WR (diff)
downloadlinux-dev-aa75b07b478a774b1432e2df1be5cd8ae834de0f.tar.xz
linux-dev-aa75b07b478a774b1432e2df1be5cd8ae834de0f.zip
IB/rxe: Clear queue buffer when modifying QP to reset
RXE resets the send-q only once in rxe_qp_init_req() when QP is created, but when the QP is reused after QP reset, the send-q holds previous garbage data. This garbage data wrongly fails CQEs that otherwise should have completed successfully. Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com> Reviewed-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_qp.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_qp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index b8036cfbce04..95aaaa282a04 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -522,6 +522,7 @@ static void rxe_qp_reset(struct rxe_qp *qp)
if (qp->sq.queue) {
__rxe_do_task(&qp->comp.task);
__rxe_do_task(&qp->req.task);
+ rxe_queue_reset(qp->sq.queue);
}
/* cleanup attributes */