RDMA/srpt: Reduce max_recv_sge to 1 (66ced2eb) · Commits · 戴 / test

Since srpt_post_recv() always sets num_sge to 1, reduce the max_recv_sge parameter that is used at queue pair allocation time to 1. Link: https://lore.kernel.org/r/20200525172212.14413-4-bvanassche@acm.org Signed-off-by:

drivers/infiniband/ulp/srpt/ib_srpt.c

+3 −7

Original line number	Diff line number	Diff line
		@@ -1818,16 +1818,12 @@ retry:
		qp_init->cap.max_rdma_ctxs = sq_size / 2;
		qp_init->cap.max_send_sge = min(attrs->max_send_sge,
		SRPT_MAX_SG_PER_WQE);
		qp_init->cap.max_recv_sge = min(attrs->max_recv_sge,
		SRPT_MAX_SG_PER_WQE);
		qp_init->cap.max_recv_sge = 1;
		qp_init->port_num = ch->sport->port;
		if (sdev->use_srq) {
		if (sdev->use_srq)
		qp_init->srq = sdev->srq;
		} else {
		else
		qp_init->cap.max_recv_wr = ch->rq_size;
		qp_init->cap.max_recv_sge = min(attrs->max_recv_sge,
		SRPT_MAX_SG_PER_WQE);
		}

		if (ch->using_rdma_cm) {
		ret = rdma_create_qp(ch->rdma_cm.cm_id, sdev->pd, qp_init);