From patchwork Mon Jul 17 12:21:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 789434 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 3xB2bg6RQ6z9sxR for ; Mon, 17 Jul 2017 22:26:55 +1000 (AEST) Received: from localhost ([::1]:50064 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX56y-0004SY-LD for incoming@patchwork.ozlabs.org; Mon, 17 Jul 2017 08:26:52 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48337) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX52Z-0000ot-CE for qemu-devel@nongnu.org; Mon, 17 Jul 2017 08:22:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dX52Y-0008Cq-Fa for qemu-devel@nongnu.org; Mon, 17 Jul 2017 08:22:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39070) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dX52Y-0008CH-9w for qemu-devel@nongnu.org; Mon, 17 Jul 2017 08:22:18 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4BBF14E33D; Mon, 17 Jul 2017 12:22:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 4BBF14E33D Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=jasowang@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 4BBF14E33D Received: from jason-ThinkPad-T450s.redhat.com (ovpn-12-128.pek2.redhat.com [10.72.12.128]) by smtp.corp.redhat.com (Postfix) with ESMTP id 85CC0600C2; Mon, 17 Jul 2017 12:22:15 +0000 (UTC) From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Mon, 17 Jul 2017 20:21:40 +0800 Message-Id: <1500294105-13713-10-git-send-email-jasowang@redhat.com> In-Reply-To: <1500294105-13713-1-git-send-email-jasowang@redhat.com> References: <1500294105-13713-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 17 Jul 2017 12:22:17 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 09/14] 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: Jason Wang , Zhang Chen Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Zhang Chen Make colo-compare and filter-rewriter can parse vnet packet. Signed-off-by: Zhang Chen Signed-off-by: Jason Wang --- 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; }