From patchwork Tue Oct 10 14:26:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Fancellu X-Patchwork-Id: 13415655 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 9202FCD8C8E for ; Tue, 10 Oct 2023 14:26:59 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.615066.956221 (Exim 4.92) (envelope-from ) id 1qqDh6-0002z3-3i; Tue, 10 Oct 2023 14:26:44 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 615066.956221; Tue, 10 Oct 2023 14:26:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qqDh5-0002yt-VQ; Tue, 10 Oct 2023 14:26:43 +0000 Received: by outflank-mailman (input) for mailman id 615066; Tue, 10 Oct 2023 14:26:42 +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 1qqDh4-0002hy-UM for xen-devel@lists.xenproject.org; Tue, 10 Oct 2023 14:26:42 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-flk1.inumbo.com (Halon) with ESMTP id 06f3af0b-6779-11ee-9b0d-b553b5be7939; Tue, 10 Oct 2023 16:26:40 +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 4F9B61FB; Tue, 10 Oct 2023 07:27:20 -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 ABF193F762; Tue, 10 Oct 2023 07:26:38 -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: 06f3af0b-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 0/1] Add software timestamp capabilities to xen-netback device Date: Tue, 10 Oct 2023 15:26:29 +0100 Message-Id: <20231010142630.984585-1-luca.fancellu@arm.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Hi all, during some experiment using PTP (ptp4l) between a Dom0 domain and a DomU guest, I noticed that the virtual interface brought up by the toolstack was not able to be used as ptp4l interface on the Dom0 side, a brief investigation on the drivers revealed that the backend driver doesn't have the SW timestamp capabilities, so in order to provide them, I'm sending this patch. Luca Fancellu (1): xen-netback: add software timestamp capabilities drivers/net/xen-netback/interface.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) base-commit: cb0856346a60fe3eb837ba5e73588a41f81ac05f