From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 477002CA8 for ; Tue, 8 Oct 2024 10:46:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728384415; cv=none; b=c6MsQkUGf13y1oRwZgREwyCiUuhA9DQtf8jz5POAKgHTyxDhFggmF6jI77nZ525k02F5uCGLRcjTSpJUIxff4eVJ3HXXYOJFccCJVW95mk42ImkEy0iQiIlZStdM1sKrZe5oXtstKat9kRg5htHRjXDany9Kq3xuycpZn5TsV14= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728384415; c=relaxed/simple; bh=2XHKjxhVpP9Cq007Iaww6vwzUAesCqn+KSMnFaYTpyc=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=DTR+YXWF1K8u4Fl3kjmRuueG7HFhKEh4G0xOrnU8ReYoQQIcvmUf84NYLH3uKV+thXRe4/w53C/l1Yp01fzoB7ChLeIPQ5naYR+nMTUq4Syd3k8yRPw9l0m1Q+ilCJaCs4IAR4Y1pXP3QHeEqudnSZm+RMMPoepyb1V6CTz9gV4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--maheshb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=KolskoPQ; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--maheshb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="KolskoPQ" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-6e2261adfdeso30070767b3.2 for ; Tue, 08 Oct 2024 03:46:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1728384413; x=1728989213; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=8i/iXTll5Mk17033sL9IhZ0hf+ByIYQ9zoCVD93ZzQY=; b=KolskoPQK8bKCS/rGttYjfcFVhF74HvpgTUORsNq2vpRtzNELpPk+w6HoKb8U7rOiA WXSWlBfDthujBcNh1HPaXy3tDcz0J+xNhbLVOMxn/2GISR9o6Yz42hC0nncjZl7Hepbb Ow8GhIX3SJyaSyAkWsc0+D9tu31R8x+ZsJfeuzYTgloqhiCG6xGBy9P5My9PXWJbam70 J2fxh7PixD8MSaVpdLlO/GVvuHmIvmmTLpbpgren+DriC1QIWhUMadfWCLYrVkoZvIo8 KY3jwFKBk1g7tPp0YhkuluBPd3hE9VoU5OjcxZj6iAl32GD0PKVj772AYEd4r0S8AwCr lZtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728384413; x=1728989213; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=8i/iXTll5Mk17033sL9IhZ0hf+ByIYQ9zoCVD93ZzQY=; b=KD5PHyaKA1ap/J5sQS6uJzQISL8kn1Usi5fB2uzg0hbQNXoToGMMHkbYmrLgcWZ5+J 1wwTyp/Cm+h+nUVrzjo8Qc6uT9yNu8KtK2xSHerAZN9nEzac8NH2LY2MHw/m4EtRz6/a YBNFGarhqQsmsx9v2raVreK8Higsx7sAmHQ2o/F4m2nBwhSLK62zGB5a5q4uqUyYJgFk o65RsC2oMb+PpvYhLtcbkHPr8uGjSv9JWVSHyhR89XXlhNAf+rQnhpXH+gvFicUf99nh dtHPh0VvDxYtLpSWOy9dN7zx4lRa8FtLA5oYGrTWENhzuF98v5JqJbXMsnVOfXFyITXn 5VNQ== X-Gm-Message-State: AOJu0Yw08SaFlDwMynhdzMC96dMR4kxil03D8TUAj+8+mI4kgb88xGzL 0qwIdus+zNCeljgWxVKRx8F5x2TD4QDoCoognoAociN4PX6pf9miMAiQ6qSQpL4YTMLl1Y4rIIr JDa//AasxxCz4YXrhaNnz7Lsha2Rl0ntozUQTSjLK3eg+XM9UwR++sDgVEbGhl6sfrOOJH3DKj0 Ui52uqDIZPcNyK+M0AdOT326blfHVe8eejpNBJVg== X-Google-Smtp-Source: AGHT+IEjq1tbUjCASqiGzqJRMUIzL3m1ZKdzWJheWchhVs5I3FPZx/iEuIsiXt/ACm0wCLSG3iwgEtr3VjbV X-Received: from coldfire.c.googlers.com ([fda3:e722:ac3:cc00:4e:3bc9:ac1c:310]) (user=maheshb job=sendgmr) by 2002:a25:c54f:0:b0:dfb:22ca:1efd with SMTP id 3f1490d57ef6-e289394dc24mr54723276.9.1728384412698; Tue, 08 Oct 2024 03:46:52 -0700 (PDT) Date: Tue, 8 Oct 2024 03:46:50 -0700 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.47.0.rc0.187.ge670bccf7e-goog Message-ID: <20241008104650.3276569-1-maheshb@google.com> Subject: [PATCH net-next 2/2] mlx4: add gettimex64() ptp method From: Mahesh Bandewar To: Netdev , Tariq Toukan , Yishai Hadas Cc: Eric Dumazet , Jakub Kicinski , David Miller , Paolo Abeni , Richard Cochran , Mahesh Bandewar , Mahesh Bandewar Content-Type: text/plain; charset="UTF-8" Introduce the gettimex64() PTP method implementation, which enhances the PTP clock read operation by providing pre- and post-timestamps to determine the clock-read-call-width. Signed-off-by: Mahesh Bandewar --- drivers/net/ethernet/mellanox/mlx4/en_clock.c | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 69c5e4c5e036..d3f6ece1531e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c @@ -202,6 +202,26 @@ static int mlx4_en_phc_gettime(struct ptp_clock_info *ptp, return 0; } +static int mlx4_en_phc_gettimex(struct ptp_clock_info *ptp, + struct timespec64 *ts, + struct ptp_system_timestamp *sts) +{ + struct mlx4_en_dev *mdev = container_of(ptp, struct mlx4_en_dev, + ptp_clock_info); + unsigned long flags; + u64 ns; + + write_seqlock_irqsave(&mdev->clock_lock, flags); + /* refresh the clock_cache but get the pre/post ts */ + mlx4_en_read_clock(mdev, sts); + ns = timecounter_read(&mdev->clock); + write_sequnlock_irqrestore(&mdev->clock_lock, flags); + + *ts = ns_to_timespec64(ns); + + return 0; +} + /** * mlx4_en_phc_settime - Set the current time on the hardware clock * @ptp: ptp clock structure @@ -255,6 +275,7 @@ static const struct ptp_clock_info mlx4_en_ptp_clock_info = { .adjfine = mlx4_en_phc_adjfine, .adjtime = mlx4_en_phc_adjtime, .gettime64 = mlx4_en_phc_gettime, + .gettimex64 = mlx4_en_phc_gettimex, .settime64 = mlx4_en_phc_settime, .enable = mlx4_en_phc_enable, }; -- 2.47.0.rc0.187.ge670bccf7e-goog