From nobody Fri Feb 13 03:07:30 2026 Received: from mail-pf1-f169.google.com (mail-pf1-f169.google.com [209.85.210.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B106A7E2 for ; Tue, 4 Jun 2024 00:46:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717462009; cv=none; b=t2QV022o+3EyGONHJKXm438FsLsqdbQBPdmQtNETNRXVHqAVQGvYlHonVD7l3o8Eixa51loc12ibJliYkOXSGZSiK/Ygr4THbMw6o80AUGMKvE6ZAeY7bPCYwiAg4wVla9SfnMc4MbF62G4v751y0J/XPydCOldXE7wGhG9/kRs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717462009; c=relaxed/simple; bh=vifrwv8yYRKvsytmY8Yg4L+M9MnG70MF7+heh32UiaU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=XY6rluYkvoGVnti3xpudSPOAC96pzAw+RE7a7yYWeR7H/sIqYpojrRWppnx8vyofs5Ifl7daRGVPJqwBmJ02sUPEeR3cbsunCMX7S9OrPQmXKYnpIAt7E2DKTeaWJP7NpPmqDtLvSbRLxKOnxMI9CKjvMz+uc7O15TSecuOd/54= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fastly.com; spf=pass smtp.mailfrom=fastly.com; dkim=pass (1024-bit key) header.d=fastly.com header.i=@fastly.com header.b=tu3N44vG; arc=none smtp.client-ip=209.85.210.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fastly.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fastly.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=fastly.com header.i=@fastly.com header.b="tu3N44vG" Received: by mail-pf1-f169.google.com with SMTP id d2e1a72fcca58-70255d5ddb8so1831331b3a.0 for ; Mon, 03 Jun 2024 17:46:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastly.com; s=google; t=1717462007; x=1718066807; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=26yx+OPnR88JIyyXlG7s80Xixo/lv0hmlHAIk2iBWII=; b=tu3N44vGker/sOFaYpTK3RAqvNT7N+dLjmUzDhY6NABFg8eCedMxGwper18EPk0I0n LhtHmzBX2P8PrLcrD7groBkikyTyhtvfLFetPjSv9S/eY/zSIddERl2U4ymQ/Z4VI9Wx MF3MlSOnbPEO/COSWTFZJa3ao1Ldj06ZjgXJA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717462007; x=1718066807; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=26yx+OPnR88JIyyXlG7s80Xixo/lv0hmlHAIk2iBWII=; b=ljspeKdE6XkGT1y0NVzqq9Now4YHMOQ6XTICbXKQNj0TiFitpHM9kBmJpo2ha6Tw37 dNxGReYgLf4ZXZwwd35EqFSvBGwzpeemXwDIUU6D+LpflPzF5Bu30dIQ/yztfsDe60S8 zow2fZ4tdPH8utsUi6d1EAaNDhCnZ4WrIRwQYrnx5JaUIBWPBT60jBmq4PoqURrFeRAv fd3eQ/lMOYXOLhLp7R3OZIFaq6ZV46R3AqG+9ldhsbpq7ZuBi/hNXPzZ39duv7jaebQx ICyIMJFhGeXlSjCzQQ/EEhIPTwPelQs2GjOv1gYG1rofr04pv9xiopRaaO4THTLHJ/l1 60gg== X-Forwarded-Encrypted: i=1; AJvYcCXGCYq3R8vLe2cAhpXn6nbxu8Dz+U/tdcG/rr3H+sdXU1o/4mU5y6xA4HWHP/dTy69xq4ONc0JLcPxtjoAsubqeNeEzeIMgIHLRGYEY X-Gm-Message-State: AOJu0YwU6YtwuS+WR4uraFEvWMvqH4Zu/1J18v+b3p5tjXibbTRAqqnZ gbH0s+tXyqrODLV/jPQagN3bFnRuGJ7wCMy3Iv+d+h8qu1ivQc/ve4H1iM5QQ04= X-Google-Smtp-Source: AGHT+IEr3WgxVsBp2cu2Hcr4M8L3QkXw8rg3de27C+42+/pPUWvYV6ltTUE5rrNUpd+90siAM5y9Zg== X-Received: by 2002:a05:6a00:a14:b0:6ed:de70:5ef8 with SMTP id d2e1a72fcca58-702477bc028mr11249753b3a.6.1717462006990; Mon, 03 Jun 2024 17:46:46 -0700 (PDT) Received: from localhost.localdomain ([2620:11a:c019:0:65e:3115:2f58:c5fd]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70242c26067sm6049316b3a.218.2024.06.03.17.46.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jun 2024 17:46:46 -0700 (PDT) From: Joe Damato To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: nalramli@fastly.com, Joe Damato , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Gal Pressman , Carolina Jubran , Naveen Mamindlapalli , linux-rdma@vger.kernel.org (open list:MELLANOX MLX5 core VPI driver) Subject: [RFC net-next v4 1/2] net/mlx5e: Add txq to sq stats mapping Date: Tue, 4 Jun 2024 00:46:25 +0000 Message-Id: <20240604004629.299699-2-jdamato@fastly.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240604004629.299699-1-jdamato@fastly.com> References: <20240604004629.299699-1-jdamato@fastly.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" mlx5 currently maps txqs to an sq via priv->txq2sq. It is useful to map txqs to sq_stats, as well, for direct access to stats. Add priv->txq2sq_stats and insert mappings. The mappings will be used next to tabulate stats information. Signed-off-by: Joe Damato --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 2 ++ drivers/net/ethernet/mellanox/mlx5/core/en/qos.c | 13 +++++++++++-- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 11 ++++++++++- 3 files changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/eth= ernet/mellanox/mlx5/core/en.h index e85fb71bf0b4..4ae3eee3940c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -885,6 +885,8 @@ struct mlx5e_priv { /* priv data path fields - start */ struct mlx5e_selq selq; struct mlx5e_txqsq **txq2sq; + struct mlx5e_sq_stats **txq2sq_stats; + #ifdef CONFIG_MLX5_CORE_EN_DCB struct mlx5e_dcbx_dp dcbx_dp; #endif diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c b/drivers/net= /ethernet/mellanox/mlx5/core/en/qos.c index 6743806b8480..e89272a5d036 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c @@ -170,6 +170,7 @@ int mlx5e_activate_qos_sq(void *data, u16 node_qid, u32= hw_id) mlx5e_tx_disable_queue(netdev_get_tx_queue(priv->netdev, qid)); =20 priv->txq2sq[qid] =3D sq; + priv->txq2sq_stats[qid] =3D sq->stats; =20 /* Make the change to txq2sq visible before the queue is started. * As mlx5e_xmit runs under a spinlock, there is an implicit ACQUIRE, @@ -186,6 +187,7 @@ int mlx5e_activate_qos_sq(void *data, u16 node_qid, u32= hw_id) void mlx5e_deactivate_qos_sq(struct mlx5e_priv *priv, u16 qid) { struct mlx5e_txqsq *sq; + u16 mlx5e_qid; =20 sq =3D mlx5e_get_qos_sq(priv, qid); if (!sq) /* Handle the case when the SQ failed to open. */ @@ -194,7 +196,10 @@ void mlx5e_deactivate_qos_sq(struct mlx5e_priv *priv, = u16 qid) qos_dbg(sq->mdev, "Deactivate QoS SQ qid %u\n", qid); mlx5e_deactivate_txqsq(sq); =20 - priv->txq2sq[mlx5e_qid_from_qos(&priv->channels, qid)] =3D NULL; + mlx5e_qid =3D mlx5e_qid_from_qos(&priv->channels, qid); + + priv->txq2sq[mlx5e_qid] =3D NULL; + priv->txq2sq_stats[mlx5e_qid] =3D NULL; =20 /* Make the change to txq2sq visible before the queue is started again. * As mlx5e_xmit runs under a spinlock, there is an implicit ACQUIRE, @@ -325,6 +330,7 @@ void mlx5e_qos_deactivate_queues(struct mlx5e_channel *= c) { struct mlx5e_params *params =3D &c->priv->channels.params; struct mlx5e_txqsq __rcu **qos_sqs; + u16 mlx5e_qid; int i; =20 qos_sqs =3D mlx5e_state_dereference(c->priv, c->qos_sqs); @@ -342,8 +348,11 @@ void mlx5e_qos_deactivate_queues(struct mlx5e_channel = *c) qos_dbg(c->mdev, "Deactivate QoS SQ qid %u\n", qid); mlx5e_deactivate_txqsq(sq); =20 + mlx5e_qid =3D mlx5e_qid_from_qos(&c->priv->channels, qid); + /* The queue is disabled, no synchronization with datapath is needed. */ - c->priv->txq2sq[mlx5e_qid_from_qos(&c->priv->channels, qid)] =3D NULL; + c->priv->txq2sq[mlx5e_qid] =3D NULL; + c->priv->txq2sq_stats[mlx5e_qid] =3D NULL; } } =20 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/ne= t/ethernet/mellanox/mlx5/core/en_main.c index c53c99dde558..d03fd1c98eb6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3111,6 +3111,7 @@ static void mlx5e_build_txq_maps(struct mlx5e_priv *p= riv) struct mlx5e_txqsq *sq =3D &c->sq[tc]; =20 priv->txq2sq[sq->txq_ix] =3D sq; + priv->txq2sq_stats[sq->txq_ix] =3D sq->stats; } } =20 @@ -3125,6 +3126,7 @@ static void mlx5e_build_txq_maps(struct mlx5e_priv *p= riv) struct mlx5e_txqsq *sq =3D &c->ptpsq[tc].txqsq; =20 priv->txq2sq[sq->txq_ix] =3D sq; + priv->txq2sq_stats[sq->txq_ix] =3D sq->stats; } =20 out: @@ -5824,9 +5826,13 @@ int mlx5e_priv_init(struct mlx5e_priv *priv, if (!priv->txq2sq) goto err_destroy_workqueue; =20 + priv->txq2sq_stats =3D kcalloc_node(num_txqs, sizeof(*priv->txq2sq_stats)= , GFP_KERNEL, node); + if (!priv->txq2sq_stats) + goto err_free_txq2sq; + priv->tx_rates =3D kcalloc_node(num_txqs, sizeof(*priv->tx_rates), GFP_KE= RNEL, node); if (!priv->tx_rates) - goto err_free_txq2sq; + goto err_free_txq2sq_stats; =20 priv->channel_stats =3D kcalloc_node(nch, sizeof(*priv->channel_stats), GFP_KERNEL, node); @@ -5837,6 +5843,8 @@ int mlx5e_priv_init(struct mlx5e_priv *priv, =20 err_free_tx_rates: kfree(priv->tx_rates); +err_free_txq2sq_stats: + kfree(priv->txq2sq_stats); err_free_txq2sq: kfree(priv->txq2sq); err_destroy_workqueue: @@ -5860,6 +5868,7 @@ void mlx5e_priv_cleanup(struct mlx5e_priv *priv) kvfree(priv->channel_stats[i]); kfree(priv->channel_stats); kfree(priv->tx_rates); + kfree(priv->txq2sq_stats); kfree(priv->txq2sq); destroy_workqueue(priv->wq); mlx5e_selq_cleanup(&priv->selq); --=20 2.25.1