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Commit 12171971 authored by Vijay Immanuel's avatar Vijay Immanuel Committed by Doug Ledford
Browse files

rxe: fix broken receive queue draining 



If we modified the qp to ERROR state, and
drained the recieve queue, post_recv must
trigger the responder task to complete
the drain work request.

Cc: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarVijay Immanuel <vijayi@attalasystems.com>
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@wdc.com&gt;-->
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent c75d3ec8

drivers/infiniband/sw/rxe/rxe_resp.c

+3 −0
Original line number Diff line number Diff line
@@ -1219,6 +1219,9 @@ void rxe_drain_req_pkts(struct rxe_qp *qp, bool notify) 
		kfree_skb(skb);

	}



	if (notify)

		return;



	while (!qp->srq && qp->rq.queue && queue_head(qp->rq.queue))

		advance_consumer(qp->rq.queue);

}

drivers/infiniband/sw/rxe/rxe_verbs.c

+3 −0
Original line number Diff line number Diff line
@@ -914,6 +914,9 @@ static int rxe_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 


	spin_unlock_irqrestore(&rq->producer_lock, flags);



	if (qp->resp.state == QP_STATE_ERROR)

		rxe_run_task(&qp->resp.task, 1);



err1:

	return err;

}