From patchwork Tue May 23 14:20:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Chen X-Patchwork-Id: 9742839 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EDE4160380 for ; Tue, 23 May 2017 14:25:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E049F205AB for ; Tue, 23 May 2017 14:25:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D3607284B5; Tue, 23 May 2017 14:25:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 31DB0205AB for ; Tue, 23 May 2017 14:25:56 +0000 (UTC) Received: from localhost ([::1]:49291 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDAl1-0005pT-7t for patchwork-qemu-devel@patchwork.kernel.org; Tue, 23 May 2017 10:25:55 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42271) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDAgL-0002gg-BA for qemu-devel@nongnu.org; Tue, 23 May 2017 10:21:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dDAgK-00031g-4x for qemu-devel@nongnu.org; Tue, 23 May 2017 10:21:05 -0400 Received: from [59.151.112.132] (port=32707 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDAgJ-0002zE-Of for qemu-devel@nongnu.org; Tue, 23 May 2017 10:21:04 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19208536" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 23 May 2017 22:21:03 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id EC80047CA8C3; Tue, 23 May 2017 22:20:59 +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; Tue, 23 May 2017 22:20:59 +0800 From: Zhang Chen To: qemu devel , Jason Wang Date: Tue, 23 May 2017 22:20:40 +0800 Message-ID: <1495549241-23380-9-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1495549241-23380-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1495549241-23380-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: EC80047CA8C3.A02B0 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 V5 8/9] net/colo-compare.c: Add vnet packet's tcp/udp/icmp compare 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP COLO-Proxy just focus on packet payload, So we skip vnet header. Signed-off-by: Zhang Chen --- net/colo-compare.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index f89b380..0d7fe2b 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -201,8 +201,11 @@ static int colo_packet_compare_common(Packet *ppkt, Packet *spkt, int offset) sec_ip_src, sec_ip_dst); } + offset = ppkt->vnet_hdr_len + offset; + if (ppkt->size == spkt->size) { - return memcmp(ppkt->data + offset, spkt->data + offset, + return memcmp(ppkt->data + offset, + spkt->data + offset, spkt->size - offset); } else { trace_colo_compare_main("Net packet size are not the same"); @@ -261,8 +264,9 @@ static int colo_packet_compare_tcp(Packet *spkt, Packet *ppkt) */ if (ptcp->th_off > 5) { ptrdiff_t tcp_offset; + tcp_offset = ppkt->transport_header - (uint8_t *)ppkt->data - + (ptcp->th_off * 4); + + (ptcp->th_off * 4) - ppkt->vnet_hdr_len; res = colo_packet_compare_common(ppkt, spkt, tcp_offset); } else if (ptcp->th_sum == stcp->th_sum) { res = colo_packet_compare_common(ppkt, spkt, ETH_HLEN);