From patchwork Fri Nov 4 16:36:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Salil Mehta X-Patchwork-Id: 9412883 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 54B2160573 for ; Fri, 4 Nov 2016 16:40:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 442572AC99 for ; Fri, 4 Nov 2016 16:40:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 356CB2A6FC; Fri, 4 Nov 2016 16:40:02 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable 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 E0F3F2A6FC for ; Fri, 4 Nov 2016 16:40:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965036AbcKDQif (ORCPT ); Fri, 4 Nov 2016 12:38:35 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:32412 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964941AbcKDQid (ORCPT ); Fri, 4 Nov 2016 12:38:33 -0400 Received: from 172.24.1.47 (EHLO szxeml432-hub.china.huawei.com) ([172.24.1.47]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DUO02512; Sat, 05 Nov 2016 00:38:13 +0800 (CST) Received: from S00293818-DELL1.china.huawei.com (10.203.181.154) by szxeml432-hub.china.huawei.com (10.82.67.209) with Microsoft SMTP Server id 14.3.235.1; Sat, 5 Nov 2016 00:38:02 +0800 From: Salil Mehta To: CC: , , , , , , , , Peter Chen Subject: [PATCH for-next 04/11] IB/hns: add self loopback for CM Date: Fri, 4 Nov 2016 16:36:26 +0000 Message-ID: <20161104163633.141880-5-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20161104163633.141880-1-salil.mehta@huawei.com> References: <20161104163633.141880-1-salil.mehta@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.203.181.154] 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: Lijun Ou This patch mainly adds self loopback support for CM. Signed-off-by: Lijun Ou Signed-off-by: Peter Chen Reviewed-by: Wei Hu (Xavier) Signed-off-by: Salil Mehta --- drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 11 +++++++++++ drivers/infiniband/hw/hns/hns_roce_hw_v1.h | 2 ++ 2 files changed, 13 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 7750d0d..d6df6dd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -32,6 +32,7 @@ #include #include +#include #include #include "hns_roce_common.h" #include "hns_roce_device.h" @@ -72,6 +73,8 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, int nreq = 0; u32 ind = 0; int ret = 0; + u8 *smac; + int loopback; if (unlikely(ibqp->qp_type != IB_QPT_GSI && ibqp->qp_type != IB_QPT_RC)) { @@ -129,6 +132,14 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, UD_SEND_WQE_U32_8_DMAC_5_M, UD_SEND_WQE_U32_8_DMAC_5_S, ah->av.mac[5]); + + smac = (u8 *)hr_dev->dev_addr[qp->port]; + loopback = ether_addr_equal_unaligned(ah->av.mac, + smac) ? 1 : 0; + roce_set_bit(ud_sq_wqe->u32_8, + UD_SEND_WQE_U32_8_LOOPBACK_INDICATOR_S, + loopback); + roce_set_field(ud_sq_wqe->u32_8, UD_SEND_WQE_U32_8_OPERATION_TYPE_M, UD_SEND_WQE_U32_8_OPERATION_TYPE_S, diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h index 6004c7f..cf28f1b 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h @@ -440,6 +440,8 @@ struct hns_roce_ud_send_wqe { #define UD_SEND_WQE_U32_8_DMAC_5_M \ (((1UL << 8) - 1) << UD_SEND_WQE_U32_8_DMAC_5_S) +#define UD_SEND_WQE_U32_8_LOOPBACK_INDICATOR_S 22 + #define UD_SEND_WQE_U32_8_OPERATION_TYPE_S 16 #define UD_SEND_WQE_U32_8_OPERATION_TYPE_M \ (((1UL << 4) - 1) << UD_SEND_WQE_U32_8_OPERATION_TYPE_S)