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IB/rxe: Avoid accessing timers for non RC QPs 

This patch avoids RNR NAK timer and retransmit timer initialization and
cleanup for non RC QPs (such as UD QP, GSI QP).

Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Parav Pandit 2017-03-19 11:20:56 +02:00 committed by Doug Ledford
parent 0b1e5b99a4
commit 99fc12f60e
1 changed files with 8 additions and 5 deletions
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13
drivers/infiniband/sw/rxe/rxe_qp.c
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@ -273,10 +273,11 @@ static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp,
rxe_init_task(rxe, &qp->comp.task, qp,
rxe_completer, "comp");
setup_timer(&qp->rnr_nak_timer, rnr_nak_timer, (unsigned long)qp);
setup_timer(&qp->retrans_timer, retransmit_timer, (unsigned long)qp);
qp->qp_timeout_jiffies = 0; /* Can't be set for UD/UC in modify_qp */
if (init->qp_type == IB_QPT_RC) {
setup_timer(&qp->rnr_nak_timer, rnr_nak_timer, (unsigned long)qp);
setup_timer(&qp->retrans_timer, retransmit_timer, (unsigned long)qp);
}
return 0;
}
@ -804,8 +805,10 @@ void rxe_qp_destroy(struct rxe_qp *qp)
qp->qp_timeout_jiffies = 0;
rxe_cleanup_task(&qp->resp.task);
del_timer_sync(&qp->retrans_timer);
del_timer_sync(&qp->rnr_nak_timer);
if (qp_type(qp) == IB_QPT_RC) {
del_timer_sync(&qp->retrans_timer);
del_timer_sync(&qp->rnr_nak_timer);
}
rxe_cleanup_task(&qp->req.task);
rxe_cleanup_task(&qp->comp.task);