From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57106C432C0 for ; Mon, 18 Nov 2019 07:49:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2DD6020679 for ; Mon, 18 Nov 2019 07:49:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574063358; bh=vkkx0SVwOd13MZgkleJ+L2Z0Wb7DKPq+YpLQfwH65eY=; h=From:To:Cc:Subject:Date:List-ID:From; b=eQrc2RqAmh+Vpqx3KOWWhhuxVY1xuNZBCmU22Y5bD/d7/1kAoNIiUzWgcY60wvvGv O23mYkW3km0njzhd5H27i1S8aqVmoMahUsC4+35z5/ribe6KifMSXBSAUF2cmLHGw5 KuDIXoND6OQ8HG5cc3Pv92qS6TCXLZp4cj/hPUrI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726283AbfKRHtR (ORCPT ); Mon, 18 Nov 2019 02:49:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:34144 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726316AbfKRHtR (ORCPT ); Mon, 18 Nov 2019 02:49:17 -0500 Received: from localhost (unknown [5.29.147.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 304DC2067D; Mon, 18 Nov 2019 07:49:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574063356; bh=vkkx0SVwOd13MZgkleJ+L2Z0Wb7DKPq+YpLQfwH65eY=; h=From:To:Cc:Subject:Date:From; b=ltvPND0ObLPky1YdVv5Tefm3/qjAVIsvz3pYu/Iv9GBCl7qKe0fc4qMJymZsITeGX FwY/8cu2d88T1fHXEN5iYSsDkxJKjUTCKhowZecm/cQKpXX+sRPMoiK8jYFE/+OULr dD7n0CAg1YarUCjqIxYmt9AXnvvXvhiWE9CIHyK8= From: Leon Romanovsky To: David Ahern Cc: Danit Goldberg , netdev , RDMA mailing list , Stephen Hemminger , Leon Romanovsky Subject: [PATCH iproute2-next v2] ip link: Add support to get SR-IOV VF node GUID and port GUID Date: Mon, 18 Nov 2019 09:49:12 +0200 Message-Id: <20191118074912.51040-1-leon@kernel.org> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Danit Goldberg Extend iplink to show VF GUIDs (IFLA_VF_IB_NODE_GUID, IFLA_VF_IB_PORT_GUID), giving the ability for user-space application to print GUID values. This ability is added to the one of setting new node GUID and port GUID values. Suitable ip link command: - ip link show For example: - ip link set ib4 vf 0 node_guid 22:44:33:00:33:11:00:33 - ip link set ib4 vf 0 port_guid 10:21:33:12:00:11:22:10 - ip link show ib4 ib4: mtu 4092 qdisc noop state DOWN mode DEFAULT group default qlen 256 link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff vf 0 link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff, spoof checking off, NODE_GUID 22:44:33:00:33:11:00:33, PORT_GUID 10:21:33:12:00:11:22:10, link-state disable, trust off, query_rss off Signed-off-by: Danit Goldberg Signed-off-by: Leon Romanovsky --- Changelog: v1->v2: https://lore.kernel.org/linux-rdma/20191115152155.246821-1-leon@kernel.orga * Change to "b1" caused to extra padding in print of GUIDs, use real size instead of RTA_PAYLOAD(). v0->v1: https://lore.kernel.org/linux-rdma/20191114133126.238128-2-leon@kernel.org * Use already preallocated "b1" buffer instead of new one. --- ip/ipaddress.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/ip/ipaddress.c b/ip/ipaddress.c index b72eb7a1..fe41bbef 100644 --- a/ip/ipaddress.c +++ b/ip/ipaddress.c @@ -484,6 +484,24 @@ static void print_vfinfo(FILE *fp, struct ifinfomsg *ifi, struct rtattr *vfinfo) vf_spoofchk->setting); } + if (vf[IFLA_VF_IB_NODE_GUID]) { + struct ifla_vf_guid *guid = RTA_DATA(vf[IFLA_VF_IB_NODE_GUID]); + uint64_t node_guid = ntohll(guid->guid); + + print_string(PRINT_ANY, "node guid", ", NODE_GUID %s", + ll_addr_n2a((const unsigned char *)&node_guid, + sizeof(node_guid), ARPHRD_INFINIBAND, + b1, sizeof(b1))); + } + if (vf[IFLA_VF_IB_PORT_GUID]) { + struct ifla_vf_guid *guid = RTA_DATA(vf[IFLA_VF_IB_PORT_GUID]); + uint64_t port_guid = ntohll(guid->guid); + + print_string(PRINT_ANY, "port guid", ", PORT_GUID %s", + ll_addr_n2a((const unsigned char *)&port_guid, + sizeof(port_guid), ARPHRD_INFINIBAND, + b1, sizeof(b1))); + } if (vf[IFLA_VF_LINK_STATE]) { struct ifla_vf_link_state *vf_linkstate = RTA_DATA(vf[IFLA_VF_LINK_STATE]); -- 2.20.1