From patchwork Wed Jan 5 22:12:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhu Yanjun X-Patchwork-Id: 12704049 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 5601FC433EF for ; Wed, 5 Jan 2022 05:49:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236188AbiAEFty (ORCPT ); Wed, 5 Jan 2022 00:49:54 -0500 Received: from mga07.intel.com ([134.134.136.100]:27100 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237564AbiAEFty (ORCPT ); Wed, 5 Jan 2022 00:49:54 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10217"; a="305725914" X-IronPort-AV: E=Sophos;i="5.88,262,1635231600"; d="scan'208";a="305725914" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2022 21:49:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,262,1635231600"; d="scan'208";a="760688622" Received: from intel-obmc.bj.intel.com (HELO intel-71.bj.intel.com) ([10.238.154.71]) by fmsmga006.fm.intel.com with ESMTP; 04 Jan 2022 21:49:52 -0800 From: yanjun.zhu@linux.dev To: liangwenpeng@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 3/5] RDMA/irdma: Make the source udp port vary Date: Wed, 5 Jan 2022 17:12:35 -0500 Message-Id: <20220105221237.2659462-4-yanjun.zhu@linux.dev> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220105221237.2659462-1-yanjun.zhu@linux.dev> References: <20220105221237.2659462-1-yanjun.zhu@linux.dev> MIME-Version: 1.0 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 Reviewed-by: Leon Romanovsky Acked-by: Shiraz Saleem --- drivers/infiniband/hw/irdma/verbs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 8cd5f9261692..8234a101e752 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -1170,6 +1170,10 @@ 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);