From patchwork Wed Jun 7 09:55:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Chen X-Patchwork-Id: 772339 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wjPKY3hjqz9sNV for ; Wed, 7 Jun 2017 20:04:17 +1000 (AEST) Received: from localhost ([::1]:42403 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXp1-0000ss-3r for incoming@patchwork.ozlabs.org; Wed, 07 Jun 2017 06:04:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60758) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgP-0000wA-Ts for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgP-0003Y0-4h for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:21 -0400 Received: from [59.151.112.132] (port=2726 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgO-0003W8-P9 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:21 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761105" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:20 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 5FFB947C7C88; Wed, 7 Jun 2017 17:55:19 +0800 (CST) Received: from localhost.localdomain (10.167.226.56) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.319.2; Wed, 7 Jun 2017 17:55:18 +0800 From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:19 +0800 Message-ID: <1496829322-17099-8-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 5FFB947C7C88.A0A80 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: zhangchen.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Subject: [Qemu-devel] [PATCH V6 07/10] net/colo.c: Add vnet packet parse feature in colo-proxy X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhanghailiang , Li Zhijian , weifuqiang , "eddie . dong" , Zhang Chen , bian naimeng Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Make colo-compare and filter-rewriter can parse vnet packet. Signed-off-by: Zhang Chen --- net/colo.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/colo.c b/net/colo.c index 180eaed..28ce7c8 100644 --- a/net/colo.c +++ b/net/colo.c @@ -43,11 +43,11 @@ int parse_packet_early(Packet *pkt) { int network_length; static const uint8_t vlan[] = {0x81, 0x00}; - uint8_t *data = pkt->data; + uint8_t *data = pkt->data + pkt->vnet_hdr_len; uint16_t l3_proto; ssize_t l2hdr_len = eth_get_l2_hdr_length(data); - if (pkt->size < ETH_HLEN) { + if (pkt->size < ETH_HLEN + pkt->vnet_hdr_len) { trace_colo_proxy_main("pkt->size < ETH_HLEN"); return 1; } @@ -73,7 +73,7 @@ int parse_packet_early(Packet *pkt) } network_length = pkt->ip->ip_hl * 4; - if (pkt->size < l2hdr_len + network_length) { + if (pkt->size < l2hdr_len + network_length + pkt->vnet_hdr_len) { trace_colo_proxy_main("pkt->size < network_header + network_length"); return 1; }