From patchwork Tue Oct 10 14:26:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Fancellu X-Patchwork-Id: 13415656 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1C9ADCD8C8F for ; Tue, 10 Oct 2023 14:27:01 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.615067.956231 (Exim 4.92) (envelope-from ) id 1qqDh7-0003Ds-9r; Tue, 10 Oct 2023 14:26:45 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 615067.956231; Tue, 10 Oct 2023 14:26:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qqDh7-0003Dl-6i; Tue, 10 Oct 2023 14:26:45 +0000 Received: by outflank-mailman (input) for mailman id 615067; Tue, 10 Oct 2023 14:26:43 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qqDh5-0002hy-UR for xen-devel@lists.xenproject.org; Tue, 10 Oct 2023 14:26:43 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-flk1.inumbo.com (Halon) with ESMTP id 0792d664-6779-11ee-9b0d-b553b5be7939; Tue, 10 Oct 2023 16:26:41 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 614DBC15; Tue, 10 Oct 2023 07:27:21 -0700 (PDT) Received: from e125770.cambridge.arm.com (e125770.arm.com [10.1.199.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C85E93F762; Tue, 10 Oct 2023 07:26:39 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 0792d664-6779-11ee-9b0d-b553b5be7939 From: Luca Fancellu To: linux-kernel@vger.kernel.org Cc: Wei Liu , Paul Durrant , xen-devel@lists.xenproject.org, netdev@vger.kernel.org, Rahul Singh Subject: [PATCH 1/1] xen-netback: add software timestamp capabilities Date: Tue, 10 Oct 2023 15:26:30 +0100 Message-Id: <20231010142630.984585-2-luca.fancellu@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231010142630.984585-1-luca.fancellu@arm.com> References: <20231010142630.984585-1-luca.fancellu@arm.com> MIME-Version: 1.0 Add software timestamp capabilities to the xen-netback driver by advertising it on the struct ethtool_ops and calling skb_tx_timestamp before passing the buffer to the queue. Signed-off-by: Luca Fancellu --- drivers/net/xen-netback/interface.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index f3f2c07423a6..b71158967123 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -254,6 +254,9 @@ xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) if (vif->hash.alg == XEN_NETIF_CTRL_HASH_ALGORITHM_NONE) skb_clear_hash(skb); + /* timestamp packet in software */ + skb_tx_timestamp(skb); + if (!xenvif_rx_queue_tail(queue, skb)) goto drop; @@ -460,7 +463,7 @@ static void xenvif_get_strings(struct net_device *dev, u32 stringset, u8 * data) static const struct ethtool_ops xenvif_ethtool_ops = { .get_link = ethtool_op_get_link, - + .get_ts_info = ethtool_op_get_ts_info, .get_sset_count = xenvif_get_sset_count, .get_ethtool_stats = xenvif_get_ethtool_stats, .get_strings = xenvif_get_strings,