From 69e609ba96620aaca3c3bdcbaba5f8dee3b12f5f Mon Sep 17 00:00:00 2001 From: Zhu Yanjun Date: Thu, 6 Jan 2022 13:03:58 -0500 Subject: RDMA/irdma: Make the source udp port vary Get the source udp port number for a QP based on the grh.flow_label or lqpn/rqrpn. This provides a better spread of traffic across NIC RX queues. Link: https://lore.kernel.org/r/20220106180359.2915060-4-yanjun.zhu@linux.dev Signed-off-by: Zhu Yanjun Reviewed-by: Leon Romanovsky Acked-by: Shiraz Saleem Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/irdma/verbs.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/infiniband/hw/irdma/verbs.c') diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 456fed94b145..460e757d3fe6 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -1171,6 +1171,10 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr, udp_info->ttl = attr->ah_attr.grh.hop_limit; udp_info->flow_label = attr->ah_attr.grh.flow_label; udp_info->tos = attr->ah_attr.grh.traffic_class; + udp_info->src_port = + rdma_get_udp_sport(udp_info->flow_label, + ibqp->qp_num, + roce_info->dest_qp); irdma_qp_rem_qos(&iwqp->sc_qp); dev->ws_remove(iwqp->sc_qp.vsi, ctx_info->user_pri); ctx_info->user_pri = rt_tos2priority(udp_info->tos); -- cgit v1.2.3