From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33887) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d42Ux-0004f8-T8 for qemu-devel@nongnu.org; Fri, 28 Apr 2017 05:47:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d42Uv-0001WK-IF for qemu-devel@nongnu.org; Fri, 28 Apr 2017 05:47:35 -0400 Received: from [59.151.112.132] (port=49865 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d42Uv-0001QD-63 for qemu-devel@nongnu.org; Fri, 28 Apr 2017 05:47:33 -0400 From: Zhang Chen Date: Fri, 28 Apr 2017 17:47:20 +0800 Message-ID: <1493372840-24551-11-git-send-email-zhangchen.fnst@cn.fujitsu.com> In-Reply-To: <1493372840-24551-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1493372840-24551-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH V3 10/10] net/colo-compare.c: Add vnet packet's tcp/udp/icmp compare List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu devel , Jason Wang Cc: Zhang Chen , zhanghailiang , weifuqiang , "eddie . dong" , bian naimeng , Li Zhijian COLO-Proxy just focus on packet payload, So we skip vnet header. Signed-off-by: Zhang Chen --- net/colo-compare.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index b3e933c..1941ad9 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -187,6 +187,8 @@ static int packet_enqueue(CompareState *s, int mode) */ static int colo_packet_compare_common(Packet *ppkt, Packet *spkt, int offset) { + int offset_all; + if (trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) { char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20]; @@ -200,9 +202,12 @@ static int colo_packet_compare_common(Packet *ppkt, Packet *spkt, int offset) sec_ip_src, sec_ip_dst); } + offset_all = ppkt->vnet_hdr_len + offset; + if (ppkt->size == spkt->size) { - return memcmp(ppkt->data + offset, spkt->data + offset, - spkt->size - offset); + return memcmp(ppkt->data + offset_all, + spkt->data + offset_all, + spkt->size - offset_all); } else { trace_colo_compare_main("Net packet size are not the same"); return -1; -- 2.7.4