From: Mike Marciniszyn Date: Fri, 3 Nov 2017 23:20:52 +0000 (-0700) Subject: IB/srpt: Post receive work requests after qp transition to INIT state X-Git-Tag: v4.19~2157^2~36 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=321e329b9c0b3328e3f6bd4924b9c8c5cbf5c22d;p=platform%2Fkernel%2Flinux-rpi.git IB/srpt: Post receive work requests after qp transition to INIT state IB and iWARP specs both spell out that posting a receive work request to a queue pair in the RESET state is an invalid operation and required to fail. Postpone posting receive work requests until after the transition to the INIT state. Fixes: commit dea262094cdf ("IB/srpt: Change default behavior from using SRQ to using RC") Signed-off-by: Mike Marciniszyn Signed-off-by: Bart Van Assche Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 304855b..98b1b80 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1687,10 +1687,6 @@ retry: goto err_destroy_cq; } - if (!sdev->use_srq) - for (i = 0; i < ch->rq_size; i++) - srpt_post_recv(sdev, ch, ch->ioctx_recv_ring[i]); - atomic_set(&ch->sq_wr_avail, qp_init->cap.max_send_wr); pr_debug("%s: max_cqe= %d max_sge= %d sq_size = %d cm_id= %p\n", @@ -1701,6 +1697,10 @@ retry: if (ret) goto err_destroy_qp; + if (!sdev->use_srq) + for (i = 0; i < ch->rq_size; i++) + srpt_post_recv(sdev, ch, ch->ioctx_recv_ring[i]); + out: kfree(qp_init); return ret;