From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 CFFDC394487 for ; Mon, 30 Mar 2026 06:32:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774852373; cv=none; b=AbxiQm7o7ONn85MDUapmBEHmZDRSybRthaf2pNlZfuzhzJyI/YtnrUbprLaKYv0CzRjRShpvkSVr19Hsserwv2rUHWYETmcqKpONbux1wFSwPxeiAt9CuLA+/VjOBcVQajWZPSxi0LJL8nozL0IwPq/Ku0h2RMAMvGYh+ROMmdQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774852373; c=relaxed/simple; bh=X8EmUCMW+IgcJ3YYT+zhYjFYVyg+EjnrninFAQX4TN0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ggOAY1aTrfVajMx6PLS7S1/jW3lceN/GJUV5o3wXM3mfMKJr/A+rYpgskfGFnNPLf+65GviA2/QgpyrMP+PgPehyN+hFvb8ySISxvl/2I5jMyBuVeHbEqxwh70EaVaFuQVqWZu6BAmnN3Xd0BwlG1qvIHA1PpoPReKzvUKuENOc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=NiQewuuo; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="NiQewuuo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1774852369; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ipL39iL0bTaFNvBFnhOpgnAsKuJoubzR8+NCQPko9Bc=; b=NiQewuuosyglcyw1y0mfcyuP5VhVgn2vqEnFd1BhKskfC2tAmqUB2ze/4He35p+3H9vjDn 45vWwE04nVxspCTnYGQz2qURVkBuhgy1mtPhCutxt9h0ULqTp4gnEwwJ1CEWlgxd8u42fr Qhm2Eslb7Qob+FE9NHP6KbA9y1FJSqM= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-345-GlZwtmuTPuOoyY-SJCkTHQ-1; Mon, 30 Mar 2026 02:32:45 -0400 X-MC-Unique: GlZwtmuTPuOoyY-SJCkTHQ-1 X-Mimecast-MFC-AGG-ID: GlZwtmuTPuOoyY-SJCkTHQ_1774852364 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 244EC1956065; Mon, 30 Mar 2026 06:32:44 +0000 (UTC) Received: from ibakolla-thinkpadt14gen4.tpbc.com (unknown [10.44.33.43]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 831AA30001A1; Mon, 30 Mar 2026 06:32:40 +0000 (UTC) From: Izabela Bakollari To: Edward Cree , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, linux-net-drivers@amd.com, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2] sfc: add transmit timestamping support Date: Mon, 30 Mar 2026 08:32:35 +0200 Message-ID: <20260330063236.247057-1-ibakolla@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Add ethtool op to advertise TX timestamping. Insert a skb_tx_timestamp call in __efx_enqueue_skb. Signed-off-by: Izabela Bakollari Reviewed-by: Edward Cree --- drivers/net/ethernet/sfc/ethtool.c | 2 ++ drivers/net/ethernet/sfc/tx.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c index 362388754a29..c0038b942913 100644 --- a/drivers/net/ethernet/sfc/ethtool.c +++ b/drivers/net/ethernet/sfc/ethtool.c @@ -231,6 +231,8 @@ static int efx_ethtool_get_ts_info(struct net_device *net_dev, { struct efx_nic *efx = efx_netdev_priv(net_dev); + ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE; + efx_ptp_get_ts_info(efx, ts_info); return 0; } diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 4dff19b6ef17..ea0fc1000476 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -371,6 +371,8 @@ netdev_tx_t __efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb if (!data_mapped && (efx_tx_map_data(tx_queue, skb, segments))) goto err; + skb_tx_timestamp(skb); + efx_tx_maybe_stop_queue(tx_queue); tx_queue->xmit_pending = true; -- 2.51.0