From patchwork Sun Mar 9 10:46:47 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Abdul Rahim, Faizal" X-Patchwork-Id: 14008321 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6864C1C5D5B; Sun, 9 Mar 2025 10:49:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741517349; cv=none; b=dZ/U95pMr1QzrVMf18FeFAVq15RhdufcZHOUFpJDGIeDT0K+ICVPkt8/z4/kIltSD5Q0p8+HswK9mz088EhPJQQArAYaE8HZy/GVpVptA2TtxeR3S5bcEGDSX8e2hPSialhTN+QhicGVCCDD8SbM9ZIqFAversUSYLuwrmN8f18= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741517349; c=relaxed/simple; bh=6TymkuK2Y51ayMl9JT+5/O1CpZULriSQpMIEcVYEhNc=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BeY39P4M4u8BviQB+Ldm3hvBO3fxURFULgia/DU2BrThttRNel8d3Gx1fkkxYLkNgGP+Az7GSi26qJm+GGmZXI2O7HHm3JBKqFtAuWdMyF+SJOm5soD5luotDOwRu2/YgqdoMRl5RHEim+oFTX9bCYYcrSaLTAF4FPaEOtulCqo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=nAkWKDmh; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="nAkWKDmh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741517349; x=1773053349; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=6TymkuK2Y51ayMl9JT+5/O1CpZULriSQpMIEcVYEhNc=; b=nAkWKDmhXab7QuFkTvfFk5zf4mZdHCqFYLLtG8VisKPJs+N+qXtEkhaq s1/pj71f4nmXenTEWouahzDBCfLlPju/Z8cwBq9B1N3uUodSyMf+N/9dA Pb6iKQGfCfkDpbnLLmDlfv3aRGFSeHSzk4xISAmyGyeFATZJE87hMCZgE K+oRctRN8sSkHNWVVIXvovL58toaeUbXTo8dnGTB+HPgPzQX/dEQFq4B2 0BwOz9zaxqtbcYPzydxqBDIldvca1gxuILSnxEKYIz8iOsiR/yJMf7FIb gMJg1VbBOl55llXwzP0OVtAxjYAWMEqYu7KTxGZNJk4qX4pqNix+et8UU A==; X-CSE-ConnectionGUID: 4Wl8pSJASYuUydA3NezPmg== X-CSE-MsgGUID: pYmeh7FhRbecH1Z8/OHbGg== X-IronPort-AV: E=McAfee;i="6700,10204,11367"; a="42636244" X-IronPort-AV: E=Sophos;i="6.14,234,1736841600"; d="scan'208";a="42636244" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Mar 2025 03:49:08 -0700 X-CSE-ConnectionGUID: CIETKKlOScyYVVZE/Yw8Tw== X-CSE-MsgGUID: Y5raPSEpQmqkIMkyPaf2Fg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,234,1736841600"; d="scan'208";a="124655180" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by orviesa003.jf.intel.com with ESMTP; 09 Mar 2025 03:49:00 -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 , Russell King , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Furong Xu <0x1207@gmail.com>, Russell King , Vladimir Oltean , Serge Semin , Xiaolei Wang , Suraj Jaiswal , Kory Maincent , Gal Pressman , Jesper Nilsson , Choong Yong Liang , Chwee-Lin Choong , Faizal Rahim , Kunihiko Hayashi , Vinicius Costa Gomes , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Subject: [PATCH iwl-next v9 13/14] igc: add support to get MAC Merge data via ethtool Date: Sun, 9 Mar 2025 06:46:47 -0400 Message-Id: <20250309104648.3895551-14-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250309104648.3895551-1-faizal.abdul.rahim@linux.intel.com> References: <20250309104648.3895551-1-faizal.abdul.rahim@linux.intel.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.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. Signed-off-by: Faizal Rahim Reviewed-by: Vladimir Oltean --- 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 {