From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23993C433E0 for ; Thu, 14 May 2020 19:12:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA30920675 for ; Thu, 14 May 2020 19:12:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589483533; bh=u7X1YqDlHfR7hlPLsI0ybSlmWnF0NaWVHpXGEyblPww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wsLf4/3w4Wf0C1UBU+L1/9FToo4hBI+JEF170FiSKiHdOZRlHV/nkUkUVfJFXNOsP j8XYXrHM2nk2GBK+ztTRP2weJRgWznqro56w0B73NfC4VnmntyOqTJyn+wPa5O/Ilx ndVi8Ba4HKltsD9nGBw9/PvmYrqzoDbBcX/6B7hw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730375AbgENTML (ORCPT ); Thu, 14 May 2020 15:12:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:50094 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728133AbgENSwG (ORCPT ); Thu, 14 May 2020 14:52:06 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 147AB206F1; Thu, 14 May 2020 18:52:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589482325; bh=u7X1YqDlHfR7hlPLsI0ybSlmWnF0NaWVHpXGEyblPww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vL5PY9yTPO/P66e+SOTlAB8f14I991ai2qPCQmZIOmAhJM+f5rmjz24FNKaVNUFMs aXnEk1TLP6rD+yGcbTQvVRjurZuiFNLAtKUWbV1Zcl0/mNF4T6AAPt4i0g517XTkTy xxsjArHaov9NOgdsaFgjoV7xjcfhQriv06qXXX/c= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Stefano Garzarella , "David S . Miller" , Sasha Levin , kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.6 13/62] vhost/vsock: fix packet delivery order to monitoring devices Date: Thu, 14 May 2020 14:50:58 -0400 Message-Id: <20200514185147.19716-13-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200514185147.19716-1-sashal@kernel.org> References: <20200514185147.19716-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefano Garzarella [ Upstream commit 107bc0766b9feb5113074c753735a3f115c2141f ] We want to deliver packets to monitoring devices before it is put in the virtqueue, to avoid that replies can appear in the packet capture before the transmitted packet. Signed-off-by: Stefano Garzarella Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/vhost/vsock.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index bb3f63386b475..53294c2f8cff4 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -181,14 +181,14 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock, break; } - vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len); - added = true; - - /* Deliver to monitoring devices all correctly transmitted - * packets. + /* Deliver to monitoring devices all packets that we + * will transmit. */ virtio_transport_deliver_tap_pkt(pkt); + vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len); + added = true; + pkt->off += payload_len; total_len += payload_len; -- 2.20.1