From patchwork Thu Aug 1 08:29:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lijun Ou X-Patchwork-Id: 11070367 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 810DA13A0 for ; Thu, 1 Aug 2019 08:33:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 751CA283C5 for ; Thu, 1 Aug 2019 08:33:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6959328434; Thu, 1 Aug 2019 08:33:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 224D1283C5 for ; Thu, 1 Aug 2019 08:33:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730619AbfHAId3 (ORCPT ); Thu, 1 Aug 2019 04:33:29 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:42076 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729702AbfHAId3 (ORCPT ); Thu, 1 Aug 2019 04:33:29 -0400 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 2702EA8B9D4FCCF376F9; Thu, 1 Aug 2019 16:33:23 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.439.0; Thu, 1 Aug 2019 16:33:15 +0800 From: Lijun Ou To: , CC: , , Subject: [PATCH V2 for-next 13/13] RDMA/hns: Disable alw_lcl_lpbk of SSU Date: Thu, 1 Aug 2019 16:29:14 +0800 Message-ID: <1564648154-123172-14-git-send-email-oulijun@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1564648154-123172-1-git-send-email-oulijun@huawei.com> References: <1564648154-123172-1-git-send-email-oulijun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Weihang Li If we enabled alw_lcl_lpbk in promiscuous mode, packet whose source and destination mac address is equal will be handled in both inner loopback and outer loopback. This will halve performance of roce in promiscuous mode. Signed-off-by: Weihang Li --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 5cc64da..683765e 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1308,7 +1308,7 @@ static int hns_roce_set_vf_switch_param(struct hns_roce_dev *hr_dev, cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN); desc.flag &= cpu_to_le16(~HNS_ROCE_CMD_FLAG_WR); roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LPBK_S, 1); - roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LCL_LPBK_S, 1); + roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LCL_LPBK_S, 0); roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_DST_OVRD_S, 1); return hns_roce_cmq_send(hr_dev, &desc, 1);