From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C762C4332F for ; Tue, 4 Jan 2022 15:44:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229778AbiADPor (ORCPT ); Tue, 4 Jan 2022 10:44:47 -0500 Received: from mga18.intel.com ([134.134.136.126]:35449 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235064AbiADPoo (ORCPT ); Tue, 4 Jan 2022 10:44:44 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10216"; a="229062525" X-IronPort-AV: E=Sophos;i="5.88,261,1635231600"; d="scan'208";a="229062525" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2022 07:44:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,261,1635231600"; d="scan'208";a="526089404" Received: from intel-obmc.bj.intel.com (HELO intel-71.bj.intel.com) ([10.238.154.71]) by orsmga008.jf.intel.com with ESMTP; 04 Jan 2022 07:44:42 -0800 From: yanjun.zhu@linux.dev To: liangwenpeng@huawei.com, liweihang@huawei.com, jgg@ziepe.ca, mustafa.ismail@intel.com, shiraz.saleem@intel.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org, yanjun.zhu@linux.dev Subject: [PATCH 3/4] RDMA/irdma: Make the source udp port vary Date: Wed, 5 Jan 2022 03:07:26 -0500 Message-Id: <20220105080727.2143737-4-yanjun.zhu@linux.dev> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220105080727.2143737-1-yanjun.zhu@linux.dev> References: <20220105080727.2143737-1-yanjun.zhu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Zhu Yanjun 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 --- 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; + + 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