From patchwork Tue Mar 18 03:07:41 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faizal Rahim X-Patchwork-Id: 14020241 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AC005C282EC for ; Tue, 18 Mar 2025 03:33:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OGuP0Zf5v9LAWiWjhofja0rkRPQoYCbKBEe7YJ7DCdo=; b=2gS7f/YTTPcZZDqFz3qjsCQg4A rCLhiDbEk3XXkmeM6dw6VvnmGH3/Mpov+uoKWsrpyjWQj5g9W4Tf9JM7d+9oOyLWZ+GuL7b1XXCG3 RaCm+nTuBOnUyhnfhHMJUDDeJh2VZe0IfV7Of97eB7F4NYyeAoRqBvuXmlnzO9QLEbSIY90P+KupF tJHEqC6TqMdHwSrA3GPqTuksOoN7DNgG1xCn9JW4qz9BeNUDGR1o087gEUJzP7hC4yvgGHgjl1ZQO jTDY1WdSe41mzzHbiregUzCBJ5a9GVmrHpt7eOXzy051KDEHyF7hGeqAwzJ9OXiG/PbYrXi6e+XBu 2uu1lLrA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tuNhy-00000004WaQ-1gFI; Tue, 18 Mar 2025 03:33:38 +0000 Received: from mgamail.intel.com ([198.175.65.13]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tuNLC-00000004TVY-0pLq for linux-arm-kernel@lists.infradead.org; Tue, 18 Mar 2025 03:10:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1742267406; x=1773803406; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=0isZ6zpvYikdgV/NzKrMVcv5aGLqnoGvYP3OSYye2YU=; b=dp/Re1TAYNTySbe2PdZhx6XXjP4FbXAbdKnCtwfai0l2Sh7L4n/6Kgsd FX5hT050EDlvN+3w5u8OSSNbJzFNgmXpC46InuFz5BEmQ7ht4KdzGpO/M C3JPOjhwpK6MVF2cfcyVMLvR3hiUA0efL6KMFks8Vh44YDSVse3UUC5qH fhumhe3lIrX9HxLIaf3byWn55wBOJKITZF0ZKZoJRK7xRKkw1JZMfjyTG wXYgIZNCJVy25eySQD6+fWY/gtatldlnP/Wvai/AVdD/o19oDiV4Dvyna JTQCf7vaAR4h5bwVgVVO/lSGGbVnhkywJvIshu4LvYkENqZFTMmP/W26O w==; X-CSE-ConnectionGUID: iAn+JE7yRQGURl7HI8RQ0w== X-CSE-MsgGUID: o4hUl2klTK66s/tj/z2iog== X-IronPort-AV: E=McAfee;i="6700,10204,11376"; a="54383258" X-IronPort-AV: E=Sophos;i="6.14,255,1736841600"; d="scan'208";a="54383258" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2025 20:10:05 -0700 X-CSE-ConnectionGUID: 5FibIxdTT+a3rSLWBjSJaQ== X-CSE-MsgGUID: UnUGj4uJS+uGDEJtg6FShg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,255,1736841600"; d="scan'208";a="126313965" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by fmviesa003.fm.intel.com with ESMTP; 17 Mar 2025 20:09:58 -0700 From: Faizal Rahim To: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Simon Horman , Vladimir Oltean , Russell King , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Furong Xu <0x1207@gmail.com>, Choong Yong Liang , Russell King , Hariprasad Kelam , Xiaolei Wang , Suraj Jaiswal , Kory Maincent , Gal Pressman , Jesper Nilsson , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-stm32@st-md-mailman.stormreply.com, Chwee-Lin Choong , Vinicius Costa Gomes , Faizal Rahim , Kunihiko Hayashi , Serge Semin Subject: [PATCH iwl-next v10 13/14] igc: add support to get MAC Merge data via ethtool Date: Mon, 17 Mar 2025 23:07:41 -0400 Message-Id: <20250318030742.2567080-14-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250318030742.2567080-1-faizal.abdul.rahim@linux.intel.com> References: <20250318030742.2567080-1-faizal.abdul.rahim@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250317_201006_282388_8CA57897 X-CRM114-Status: GOOD ( 10.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Implement "ethtool --show-mm" callback for IGC. Tested with command: $ ethtool --show-mm enp1s0. MAC Merge layer state for enp1s0: pMAC enabled: on TX enabled: on TX active: on TX minimum fragment size: 64 RX minimum fragment size: 60 Verify enabled: on Verify time: 128 Max verify time: 128 Verification status: SUCCEEDED Verified that the fields value are retrieved correctly. Reviewed-by: Vladimir Oltean Signed-off-by: Faizal Rahim --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 14 ++++++++++++++ drivers/net/ethernet/intel/igc/igc_tsn.h | 1 + 2 files changed, 15 insertions(+) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 529654ccd83f..fd4b4b332309 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1782,6 +1782,19 @@ static int igc_ethtool_set_eee(struct net_device *netdev, return 0; } +static int igc_ethtool_get_mm(struct net_device *netdev, + struct ethtool_mm_state *cmd) +{ + struct igc_adapter *adapter = netdev_priv(netdev); + struct igc_fpe_t *fpe = &adapter->fpe; + + ethtool_mmsv_get_mm(&fpe->mmsv, cmd); + cmd->tx_min_frag_size = fpe->tx_min_frag_size; + cmd->rx_min_frag_size = IGC_RX_MIN_FRAG_SIZE; + + return 0; +} + static int igc_ethtool_set_mm(struct net_device *netdev, struct ethtool_mm_cfg *cmd, struct netlink_ext_ack *extack) @@ -2101,6 +2114,7 @@ static const struct ethtool_ops igc_ethtool_ops = { .get_link_ksettings = igc_ethtool_get_link_ksettings, .set_link_ksettings = igc_ethtool_set_link_ksettings, .self_test = igc_ethtool_diag_test, + .get_mm = igc_ethtool_get_mm, .set_mm = igc_ethtool_set_mm, }; diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.h b/drivers/net/ethernet/intel/igc/igc_tsn.h index 58fe5f0773d7..c2a77229207b 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.h +++ b/drivers/net/ethernet/intel/igc/igc_tsn.h @@ -4,6 +4,7 @@ #ifndef _IGC_TSN_H_ #define _IGC_TSN_H_ +#define IGC_RX_MIN_FRAG_SIZE 60 #define SMD_FRAME_SIZE 60 enum igc_txd_popts_type {