> Subject: [PATCH 3/4] RDMA/irdma: Make the source udp port vary
>
> From: Zhu Yanjun <yanjun.zhu@xxxxxxxxx>
>
> 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.
>
> Signed-off-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxx>
> ---
> drivers/infiniband/hw/irdma/verbs.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
> index 8cd5f9261692..09dba7ed5ab9 100644
> --- a/drivers/infiniband/hw/irdma/verbs.c
> +++ b/drivers/infiniband/hw/irdma/verbs.c
> @@ -1167,6 +1167,11 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct
> ib_qp_attr *attr,
>
> memset(&iwqp->roce_ah, 0, sizeof(iwqp->roce_ah));
> if (attr->ah_attr.ah_flags & IB_AH_GRH) {
> + u32 fl = attr->ah_attr.grh.flow_label;
> + u32 lqp = ibqp->qp_num;
> + u32 rqp = roce_info->dest_qp;
> +
> +
Do you really need these locals?
udp_info->src_port = rdma_get_udp_sport(fl, lqp, rqp);
> 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;
> --
> 2.27.0
