From nobody Tue Dec 16 05:55:04 2025 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (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 E08BF4B1E5C; Tue, 6 May 2025 21:55:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746568512; cv=none; b=ZbXBM8BQeak81MlmoQjt+LLt49lnRcZZXlxEncylE0hjxl+gRyh5cw3ianr5FyYsVpPnCqTRStrs3WOoadoN3Ni7TO2vH2Ihd9V7aCTTMeX0sADud040mLe/46Nv4jfMCCI603FYn55G5aihCF/pK3HZkY2Wr6LCAKiWNe6SSSw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746568512; c=relaxed/simple; bh=9nhpMzXTeNMxVi4L6WegKDk49ifAtG2YL+CH5aMmbLA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=VSNzOLsMViDctzw4m41NfzBesUDFlpNGbAOqJCqwfjWcyCKIG8TZWZJ8wbznPJ4lH6YzsdsHxOLmZFri1kNqJsTi8Fysrym/7ghjbk00fV2QOeXE59l0LJWKYwaHmfuHqbHn+DHjgrzxnJwQsAjXbasK+Onl0OwkBRY1A8s38FE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=R0vGGvLa; arc=none smtp.client-ip=209.85.210.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="R0vGGvLa" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-736aaeed234so5490414b3a.0; Tue, 06 May 2025 14:55:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1746568510; x=1747173310; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=DUulXuLoXvy+J7CYdN/iBa8zKhQkvTAtk/40HjSBy8g=; b=R0vGGvLazDSaGHY1eTiCbSmx4ucfJTn5gWaC9+d6wfB0ErmIDutUk4CoE2+W9b/qCk qPcq2tPMGCEbj+Zs/KHTuCIb4wPuR/xEuG0cI0VtNNxbXcgBzhFyf3HwHHZ5nyWwIx63 PjKxCE2uNwJskOgy+JhITPEO3qhOSg4rY6z2nT6isruWPqtBKqTqUXS0C9tRX0feVm6k Khx92zqQbNaoGJXz9C0aC4liY/z4AzUyc2IGUOFAaFoIqprrk0YjQi+NKJhfGhuA9QB7 FfqpQmbaR2Pdpzt010/9ebvu4VFui+5I9cAu/uhSpBgFUQ6u2LWDNCBTXQV7i6kk4sw+ lKUQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746568510; x=1747173310; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=DUulXuLoXvy+J7CYdN/iBa8zKhQkvTAtk/40HjSBy8g=; b=T7T73p97Oo98YwisN7SHEv5TehsyLOV42rhTt1JeDxZEZBwN4ACPDFef8DgTY8Ocxa 8UxcC2/aQSSxjPjMehfCgeKFf6JrrGmpykqxAojktXvSlbhpbAym/57wOy8CjDDn4RUR 38st/oQCayMYxmJqmshFrB45WmnLtrVgr6c0c4VDwq+uxj5FP4BuOSYYFNYgPZqhW56H iEUjG7fWCtVK4x6xEFKj00OqSMkISz1epro7NpA64P54kv8F3KUKgVe41gBAUIblZHGJ wDXUNeuDPRqcLyl+ch8A7Q8fCXlmLmbN1XcYYD07o4S+SMkwcApHNfFZbLuH5FtkxBk2 +pdg== X-Forwarded-Encrypted: i=1; AJvYcCUurtkxzqTPxrMgsztrt+i9/Tu9/djnpoBuZ4Hsm78O5kgL+6nooOBNgJ0zcQyr7kigePLcloNZIDNQpA==@vger.kernel.org, AJvYcCVJ/jXAUgRonzlEVWx4KuzW8V08uymuQDEARbqaUonl/lkD68rUryBtj5Bxx+ZvGXfRn9N0VFC0MGw0jvk=@vger.kernel.org X-Gm-Message-State: AOJu0YyUVKahRtu2TXZLniFi9So7Dyle7ysi5uQEZ91HCC5sO8CRrvtW BH5lp0Oy3OsOl9VDV/O5So/QNQXAbTl5nprpxmWwEKBbzORN8L3YuhKZgO4= X-Gm-Gg: ASbGncvjfdUNvZqSOjMH/YRMhHnod0thGMPBj8dhPUWoxbWDb7UyCptNFFROqQh8CVR cGdmS6JVn7ieGoraAx5xtrobcYDPykF0rXJZapGp8cb3SqILa+SiD8yD4/ReqjprNaRascXOpGL /5fGpE+vB2ZWlDTTAb0AUu4rqto0vKwwM4lqS1t1DjMTW7LGMP8Tccym/4ZoU6lU7X6IS0/JLWl UBPD2ZR+9yJqdsooTUeJ5qDx0GL1cwF2mJnCxNRPnjwa+tzNc7WDvkcjc1WBESsXJ2KSubFGdNu Ytxhg2Xo88JaHiN9oveL4cBRUGzjyMAp5vSKRbhftbQgRNvQ/vDL5anA8Y3JwruEoQS50c24ZQw PObnm2ufWCg== X-Google-Smtp-Source: AGHT+IFX2Ch7efSSLeEUlCZbZ/ZnYOKg1sJE0VDho937amSJc+t2A91D7vRhYykBcY3VbybZXfNQ+Q== X-Received: by 2002:a05:6a00:ad8f:b0:736:d297:164 with SMTP id d2e1a72fcca58-7409cee42eamr863756b3a.1.1746568509703; Tue, 06 May 2025 14:55:09 -0700 (PDT) Received: from localhost (c-73-170-40-124.hsd1.ca.comcast.net. [73.170.40.124]) by smtp.gmail.com with UTF8SMTPSA id 41be03b00d2f7-b1fb3b62502sm8016838a12.32.2025.05.06.14.55.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 May 2025 14:55:09 -0700 (PDT) From: Stanislav Fomichev To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, saeedm@nvidia.com, tariqt@nvidia.com, andrew+netdev@lunn.ch, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, leon@kernel.org Subject: [PATCH net-next] net/mlx5: support software TX timestamp Date: Tue, 6 May 2025 14:55:08 -0700 Message-ID: <20250506215508.3611977-1-stfomichev@gmail.com> X-Mailer: git-send-email 2.49.0 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" Having a software timestamp (along with existing hardware one) is useful to trace how the packets flow through the stack. mlx5e_tx_skb_update_hwts_flags is called from tx paths to setup HW timestamp; extend it to add software one as well. Signed-off-by: Stanislav Fomichev Reviewed-by: Jason Xing --- drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 1 + drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers= /net/ethernet/mellanox/mlx5/core/en_ethtool.c index fdf9e9bb99ac..e399d7a3d6cb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1689,6 +1689,7 @@ int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv, return 0; =20 info->so_timestamping =3D SOF_TIMESTAMPING_TX_HARDWARE | + SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; =20 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/= ethernet/mellanox/mlx5/core/en_tx.c index 4fd853d19e31..f6dd26ad29e5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -341,6 +341,7 @@ static void mlx5e_tx_skb_update_hwts_flags(struct sk_bu= ff *skb) { if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) skb_shinfo(skb)->tx_flags |=3D SKBTX_IN_PROGRESS; + skb_tx_timestamp(skb); } =20 static void mlx5e_tx_check_stop(struct mlx5e_txqsq *sq) --=20 2.49.0