From patchwork Thu Apr 16 08:08:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Wang X-Patchwork-Id: 6224521 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 98D409F1AC for ; Thu, 16 Apr 2015 08:10:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AECEA20108 for ; Thu, 16 Apr 2015 08:10:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9D9B0201C0 for ; Thu, 16 Apr 2015 08:10:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933200AbbDPIKQ (ORCPT ); Thu, 16 Apr 2015 04:10:16 -0400 Received: from mail-wi0-f181.google.com ([209.85.212.181]:34188 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932281AbbDPIIe (ORCPT ); Thu, 16 Apr 2015 04:08:34 -0400 Received: by widjs5 with SMTP id js5so5645916wid.1 for ; Thu, 16 Apr 2015 01:08:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=INlu39b7KI5w+jynu4MaPrnJD1MHPprifWxkBm5bQjg=; b=Xp0Ms0IvLLWJstfwUyHG1JFbzxVmeXhhy4JtIUg3SMOHxiNHA6n4HRFgDHEZVEe5Uv uWi46XtNtkc1VVzSWFP8JlETVCzNrhjHX2tU+ONc3yB+J05W8ng/6ZdAbi0c6u9/HDWH MryI7/NSOFh8Yxaz17heIpGoVwOpHYRKm/ihI/H9SELnQZ2HpKqQeq9EmecxXZjveVnL lCj8n2PsBnnIYysn9PNNBY8tWWsw/tLWhi1PypoLnx2k8RqBzef0Ja6W9ehKerhJb3u5 RDT6SYbyLiU+eKwU67JsUpZ9shC/G1PxV09zPVKDmbTJlCEofxd55jYgLNyzh9iI4KGo sZbA== X-Gm-Message-State: ALoCoQlneFSEBOWp9LSc9NKL3La+Fa7s53txFucRzwi8Kh84+KwWrybd0EdB1+ZGnvvdxXeyHY6a X-Received: by 10.194.95.132 with SMTP id dk4mr35195092wjb.88.1429171712690; Thu, 16 Apr 2015 01:08:32 -0700 (PDT) Received: from [192.168.71.52] ([62.217.45.26]) by mx.google.com with ESMTPSA id o5sm28744030wia.0.2015.04.16.01.08.30 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 16 Apr 2015 01:08:31 -0700 (PDT) Message-ID: <552F6DFE.2060909@profitbricks.com> Date: Thu, 16 Apr 2015 10:08:30 +0200 From: Michael Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Roland Dreier , Sean Hefty , Hal Rosenstock , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org CC: Tom Tucker , Steve Wise , Hoang-Nam Nguyen , Christoph Raisch , Mike Marciniszyn , Eli Cohen , Faisal Latif , Jack Morgenstein , Or Gerlitz , Haggai Eran , Ira Weiny , Tom Talpey , Jason Gunthorpe , Doug Ledford , hal@dev.mellanox.co.il, Michael Wang Subject: [PATCH v4 11/27] IB/Verbs: Reform route related part in IB-core cma References: <552F6CF2.4000606@profitbricks.com> In-Reply-To: <552F6CF2.4000606@profitbricks.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use raw management helpers to reform route related part in IB-core cma. Cc: Steve Wise Cc: Tom Talpey Cc: Jason Gunthorpe Cc: Doug Ledford Cc: Ira Weiny Cc: Sean Hefty Signed-off-by: Michael Wang --- drivers/infiniband/core/cma.c | 31 ++++++++----------------------- drivers/infiniband/core/ucma.c | 25 ++++++------------------- 2 files changed, 14 insertions(+), 42 deletions(-) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 6b8a64d..4adb909 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -923,13 +923,9 @@ static inline int cma_user_data_offset(struct rdma_id_private *id_priv) static void cma_cancel_route(struct rdma_id_private *id_priv) { - switch (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)) { - case IB_LINK_LAYER_INFINIBAND: + if (rdma_tech_ib(id_priv->id.device, id_priv->id.port_num)) { if (id_priv->query) ib_sa_cancel_query(id_priv->query_id, id_priv->query); - break; - default: - break; } } @@ -1957,26 +1953,15 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms) return -EINVAL; atomic_inc(&id_priv->refcount); - switch (rdma_node_get_transport(id->device->node_type)) { - case RDMA_TRANSPORT_IB: - switch (rdma_port_get_link_layer(id->device, id->port_num)) { - case IB_LINK_LAYER_INFINIBAND: - ret = cma_resolve_ib_route(id_priv, timeout_ms); - break; - case IB_LINK_LAYER_ETHERNET: - ret = cma_resolve_iboe_route(id_priv); - break; - default: - ret = -ENOSYS; - } - break; - case RDMA_TRANSPORT_IWARP: + if (rdma_tech_ib(id->device, id->port_num)) + ret = cma_resolve_ib_route(id_priv, timeout_ms); + else if (rdma_tech_iboe(id->device, id->port_num)) + ret = cma_resolve_iboe_route(id_priv); + else if (rdma_tech_iwarp(id->device, id->port_num)) ret = cma_resolve_iw_route(id_priv, timeout_ms); - break; - default: + else ret = -ENOSYS; - break; - } + if (ret) goto err; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index 45d67e9..7331c6c 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -722,26 +722,13 @@ static ssize_t ucma_query_route(struct ucma_file *file, resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid; resp.port_num = ctx->cm_id->port_num; - switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) { - case RDMA_TRANSPORT_IB: - switch (rdma_port_get_link_layer(ctx->cm_id->device, - ctx->cm_id->port_num)) { - case IB_LINK_LAYER_INFINIBAND: - ucma_copy_ib_route(&resp, &ctx->cm_id->route); - break; - case IB_LINK_LAYER_ETHERNET: - ucma_copy_iboe_route(&resp, &ctx->cm_id->route); - break; - default: - break; - } - break; - case RDMA_TRANSPORT_IWARP: + + if (rdma_tech_ib(ctx->cm_id->device, ctx->cm_id->port_num)) + ucma_copy_ib_route(&resp, &ctx->cm_id->route); + else if (rdma_tech_iboe(ctx->cm_id->device, ctx->cm_id->port_num)) + ucma_copy_iboe_route(&resp, &ctx->cm_id->route); + else if (rdma_tech_iwarp(ctx->cm_id->device, ctx->cm_id->port_num)) ucma_copy_iw_route(&resp, &ctx->cm_id->route); - break; - default: - break; - } out: if (copy_to_user((void __user *)(unsigned long)cmd.response,