From patchwork Wed Apr 3 17:10:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Wise X-Patchwork-Id: 10884263 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 7311B184E for ; Wed, 3 Apr 2019 17:12:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5D13B1FE82 for ; Wed, 3 Apr 2019 17:12:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5169B2848B; Wed, 3 Apr 2019 17:12:00 +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,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,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 E639B1FE82 for ; Wed, 3 Apr 2019 17:11:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726329AbfDCRL6 (ORCPT ); Wed, 3 Apr 2019 13:11:58 -0400 Received: from linode.aoot.com ([69.164.194.13]:54736 "EHLO linode.aoot.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726168AbfDCRLx (ORCPT ); Wed, 3 Apr 2019 13:11:53 -0400 Received: from work.aoot.com.com (li1110-136.members.linode.com [45.79.11.136]) by linode.aoot.com (Postfix) with ESMTP id 02F5F87BC; Wed, 3 Apr 2019 12:11:52 -0500 (CDT) From: Steve Wise To: dsahern@gmail.com Cc: Steve Wise , leon@kernel.org, stephen@networkplumber.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Leon Romanovsky Subject: [PATCH v3 iproute2-next 3/4] rdma: add 'link add/delete' commands Date: Wed, 3 Apr 2019 12:10:31 -0500 Message-Id: <649bcc162076ff46ba149f0e1c168b8a08963a55.1554304142.git.larrystevenwise@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 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 Add new 'link' subcommand 'add' and 'delete' to allow binding a soft-rdma device to a netdev interface. EG: rdma link add rxe_eth0 type rxe netdev eth0 rdma link delete rxe_eth0 Signed-off-by: Steve Wise Reviewed-by: Leon Romanovsky --- rdma/link.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++ rdma/rdma.h | 2 ++ 2 files changed, 80 insertions(+) diff --git a/rdma/link.c b/rdma/link.c index 89e81b84..10b2e513 100644 --- a/rdma/link.c +++ b/rdma/link.c @@ -9,6 +9,9 @@ static int link_help(struct rd *rd) { pr_out("Usage: %s link show [DEV/PORT_INDEX]\n", rd->filename); + pr_out("Usage: %s link add NAME type TYPE netdev NETDEV\n", + rd->filename); + pr_out("Usage: %s link delete NAME\n", rd->filename); return 0; } @@ -336,10 +339,85 @@ static int link_show(struct rd *rd) return rd_exec_link(rd, link_one_show, true); } +static int link_add_netdev(struct rd *rd) +{ + char *link_netdev; + uint32_t seq; + + if (rd_no_arg(rd)) { + pr_err("Please provide a net device name.\n"); + return -EINVAL; + } + + link_netdev = rd_argv(rd); + rd_prepare_msg(rd, RDMA_NLDEV_CMD_NEWLINK, &seq, + (NLM_F_REQUEST | NLM_F_ACK)); + mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_DEV_NAME, rd->link_name); + mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_LINK_TYPE, rd->link_type); + mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_NDEV_NAME, link_netdev); + return rd_sendrecv_msg(rd, seq); +} + +static int link_add_type(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, link_help}, + { "netdev", link_add_netdev}, + { 0 } + }; + + if (rd_no_arg(rd)) { + pr_err("Please provide a link type name.\n"); + return -EINVAL; + } + rd->link_type = rd_argv(rd); + rd_arg_inc(rd); + return rd_exec_cmd(rd, cmds, "parameter"); +} + +static int link_add(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, link_help}, + { "type", link_add_type}, + { 0 } + }; + + if (rd_no_arg(rd)) { + pr_err("Please provide a link name to add.\n"); + return -EINVAL; + } + rd->link_name = rd_argv(rd); + rd_arg_inc(rd); + + return rd_exec_cmd(rd, cmds, "parameter"); +} + +static int _link_del(struct rd *rd) +{ + uint32_t seq; + + if (!rd_no_arg(rd)) { + pr_err("Unknown parameter %s\n", rd_argv(rd)); + return -EINVAL; + } + rd_prepare_msg(rd, RDMA_NLDEV_CMD_DELLINK, &seq, + (NLM_F_REQUEST | NLM_F_ACK)); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); + return rd_sendrecv_msg(rd, seq); +} + +static int link_del(struct rd *rd) +{ + return rd_exec_require_dev(rd, _link_del); +} + int cmd_link(struct rd *rd) { const struct rd_cmd cmds[] = { { NULL, link_show }, + { "add", link_add }, + { "delete", link_del }, { "show", link_show }, { "list", link_show }, { "help", link_help }, diff --git a/rdma/rdma.h b/rdma/rdma.h index 6c7f7d15..9ed9e045 100644 --- a/rdma/rdma.h +++ b/rdma/rdma.h @@ -70,6 +70,8 @@ struct rd { bool pretty_output; bool suppress_errors; struct list_head filter_list; + char *link_name; + char *link_type; }; struct rd_cmd {