From patchwork Wed Apr 14 03:44:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jakub Kicinski X-Patchwork-Id: 421606 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 23409C433ED for ; Wed, 14 Apr 2021 03:45:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0871F613BD for ; Wed, 14 Apr 2021 03:45:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347059AbhDNDpk (ORCPT ); Tue, 13 Apr 2021 23:45:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:34452 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346987AbhDNDp0 (ORCPT ); Tue, 13 Apr 2021 23:45:26 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 050E6613CC; Wed, 14 Apr 2021 03:45:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618371905; bh=8A5lZhz4VPC/D5uhVkzzP2eEv/lpDgk9bG0EtXRY1cM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uPQf36vpM+sWQCokfV2brAVv62RA53SvmURPBVvmy1aDJYalV+Yg1ikiq/+C+M/8S /uWTFJyym8UM36Vb1ox1F7klJNrQFHN1JVYmEsCwHLXlQY4JlOIS8l4WSSYsxR0okv sY1ExgPIOObgqh3UXqcne4AEox1AGU4G6BLmF7Opb/nbFc64Ul/7Yi+qjlMqUs4nz6 KFE4la89EZCD1AaTgTQm9G9cuEpBnt4eIGwMwrBlYMZYsIBMtaK8cXaNNp/Kby0JlN HQgXE/8QQWv2xxAyd6vBm8iyehZ7bZkoBUBISgEZ/75A6H5A83LsrS+dTZbdIgoKOK apgWbbIc4tG8g== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, michael.chan@broadcom.com, saeedm@nvidia.com, leon@kernel.org, ecree.xilinx@gmail.com, habetsm.xilinx@gmail.com, f.fainelli@gmail.com, andrew@lunn.ch, mkubecek@suse.cz, ariela@nvidia.com, Jakub Kicinski Subject: [PATCH net-next 6/6] mlx5: implement ethtool::get_fec_stats Date: Tue, 13 Apr 2021 20:44:54 -0700 Message-Id: <20210414034454.1970967-7-kuba@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210414034454.1970967-1-kuba@kernel.org> References: <20210414034454.1970967-1-kuba@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Report corrected bits. Signed-off-by: Jakub Kicinski Acked-by: Saeed Mahameed --- .../ethernet/mellanox/mlx5/core/en_ethtool.c | 9 ++++++ .../ethernet/mellanox/mlx5/core/en_stats.c | 28 +++++++++++++++++-- .../ethernet/mellanox/mlx5/core/en_stats.h | 2 ++ 3 files changed, 37 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index c8057a44d5ab..f17690cbeeea 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1602,6 +1602,14 @@ static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) return mlx5_set_port_wol(mdev, mlx5_wol_mode); } +static void mlx5e_get_fec_stats(struct net_device *netdev, + struct ethtool_fec_stats *fec_stats) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + + mlx5e_stats_fec_get(priv, fec_stats); +} + static int mlx5e_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) { @@ -2209,6 +2217,7 @@ const struct ethtool_ops mlx5e_ethtool_ops = { .self_test = mlx5e_self_test, .get_msglevel = mlx5e_get_msglevel, .set_msglevel = mlx5e_set_msglevel, + .get_fec_stats = mlx5e_get_fec_stats, .get_fecparam = mlx5e_get_fecparam, .set_fecparam = mlx5e_set_fecparam, }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index ae0570ea08bf..aca096cc2c1c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -768,10 +768,10 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(802_3) mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); } -#define MLX5E_READ_CTR64_BE_F(ptr, c) \ +#define MLX5E_READ_CTR64_BE_F(ptr, set, c) \ be64_to_cpu(*(__be64 *)((char *)ptr + \ MLX5_BYTE_OFF(ppcnt_reg, \ - counter_set.eth_802_3_cntrs_grp_data_layout.c##_high))) + counter_set.set.c##_high))) void mlx5e_stats_pause_get(struct mlx5e_priv *priv, struct ethtool_pause_stats *pause_stats) @@ -791,9 +791,11 @@ void mlx5e_stats_pause_get(struct mlx5e_priv *priv, pause_stats->tx_pause_frames = MLX5E_READ_CTR64_BE_F(ppcnt_ieee_802_3, + eth_802_3_cntrs_grp_data_layout, a_pause_mac_ctrl_frames_transmitted); pause_stats->rx_pause_frames = MLX5E_READ_CTR64_BE_F(ppcnt_ieee_802_3, + eth_802_3_cntrs_grp_data_layout, a_pause_mac_ctrl_frames_received); } @@ -1015,6 +1017,28 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(phy) mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); } +void mlx5e_stats_fec_get(struct mlx5e_priv *priv, + struct ethtool_fec_stats *fec_stats) +{ + u32 ppcnt_phy_statistical[MLX5_ST_SZ_DW(ppcnt_reg)]; + struct mlx5_core_dev *mdev = priv->mdev; + u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {0}; + int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); + + if (!MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group)) + return; + + MLX5_SET(ppcnt_reg, in, local_port, 1); + MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_STATISTICAL_GROUP); + mlx5_core_access_reg(mdev, in, sz, ppcnt_phy_statistical, + sz, MLX5_REG_PPCNT, 0, 0); + + fec_stats->corrected_bits.total = + MLX5E_READ_CTR64_BE_F(ppcnt_phy_statistical, + phys_layer_statistical_cntrs, + phy_corrected_bits); +} + #define PPORT_ETH_EXT_OFF(c) \ MLX5_BYTE_OFF(ppcnt_reg, \ counter_set.eth_extended_cntrs_grp_data_layout.c##_high) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 21d3b8747f93..3f0789e51eed 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -114,6 +114,8 @@ void mlx5e_stats_update_ndo_stats(struct mlx5e_priv *priv); void mlx5e_stats_pause_get(struct mlx5e_priv *priv, struct ethtool_pause_stats *pause_stats); +void mlx5e_stats_fec_get(struct mlx5e_priv *priv, + struct ethtool_fec_stats *fec_stats); /* Concrete NIC Stats */