From patchwork Wed Feb 10 13:48:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Danielle Ratson X-Patchwork-Id: 12080887 X-Patchwork-Delegate: mkubecek+ethtool@suse.cz 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=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 3361DC433DB for ; Wed, 10 Feb 2021 13:51:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEF2264E16 for ; Wed, 10 Feb 2021 13:51:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231425AbhBJNut (ORCPT ); Wed, 10 Feb 2021 08:50:49 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:15533 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230376AbhBJNuj (ORCPT ); Wed, 10 Feb 2021 08:50:39 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Wed, 10 Feb 2021 05:49:22 -0800 Received: from DRHQMAIL107.nvidia.com (10.27.9.16) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 10 Feb 2021 13:49:22 +0000 Received: from dev-r-vrt-156.mtr.labs.mlnx (172.20.145.6) by DRHQMAIL107.nvidia.com (10.27.9.16) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 10 Feb 2021 13:49:20 +0000 From: Danielle Ratson To: CC: , , , , , Danielle Ratson Subject: [PATCH ethtool v3 3/5] netlink: settings: Expose the number of lanes in use Date: Wed, 10 Feb 2021 15:48:38 +0200 Message-ID: <20210210134840.2187696-4-danieller@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210210134840.2187696-1-danieller@nvidia.com> References: <20210210134840.2187696-1-danieller@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To DRHQMAIL107.nvidia.com (10.27.9.16) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1612964962; bh=zO/7Ow2N5qOqLq/7Pqs3P1b1ygTD0xz9CPJyoSVKLis=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:Content-Type: X-Originating-IP:X-ClientProxiedBy; b=JVDZ55bMhO6N+vG3QClT/TuUmAc+zKJR0PyVu+As5+EEA3Gx5atzKCttk3GVP8Pu7 eiyHJdPC0UkwWscWMMKwuEwuSVS13xrC7ryBdjg8v44fih/BhI2kYN3LRXvazH5w9z XxV3Ta951IW2B4BlUz8LrjsFcOlhWQUpVKxV1pSv6UvGqSQQYlfWQnAWCSjBbl945i 8tsz/YJaHuqENQKBhga7Gy8Hg871S/L7gWIh6xbd+uJl5ql1F/M5uNFazTuduIFeLp sxnJUrsAyP1ykAxtyUWhqwLMxdeoEHA1UcwpmLya15n4fduYem2rZz5KjvqD8mffu6 KUlv0Y6M1VPcw== Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: mkubecek+ethtool@suse.cz Currently, the user does not have the information regarding how many lanes are used when the link is up. After adding a possibility to advertise or force a specific number of lanes this information becomes helpful. Expose the number of lanes in use if the information is passed from kernel. Signed-off-by: Danielle Ratson --- Notes: v2: * Remove possibility for printing unknown lanes, as now unknown lanes attribute doesn't pass to netlink. netlink/settings.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/netlink/settings.c b/netlink/settings.c index c54fe56..e47a38f 100644 --- a/netlink/settings.c +++ b/netlink/settings.c @@ -473,6 +473,12 @@ int linkmodes_reply_cb(const struct nlmsghdr *nlhdr, void *data) else printf("\tSpeed: %uMb/s\n", val); } + if (tb[ETHTOOL_A_LINKMODES_LANES]) { + uint32_t val = mnl_attr_get_u32(tb[ETHTOOL_A_LINKMODES_LANES]); + + print_banner(nlctx); + printf("\tLanes: %u\n", val); + } if (tb[ETHTOOL_A_LINKMODES_DUPLEX]) { uint8_t val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKMODES_DUPLEX]);