From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38072) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bKNbk-00086h-TW for qemu-devel@nongnu.org; Tue, 05 Jul 2016 06:29:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bKNbg-0008V5-HQ for qemu-devel@nongnu.org; Tue, 05 Jul 2016 06:29:35 -0400 Received: from [59.151.112.132] (port=44892 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bKNbg-0008Ty-0H for qemu-devel@nongnu.org; Tue, 05 Jul 2016 06:29:32 -0400 From: Zhang Chen Date: Tue, 5 Jul 2016 18:29:37 +0800 Message-ID: <1467714580-17581-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [RFC PATCH V3 0/3] filter-rewriter: introduce filter-rewriter List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu devel , "Daniel P . Berrange" , Paolo Bonzini Cc: Jason Wang , Zhang Chen , Li Zhijian , Wen Congyang , "eddie . dong" Filter-rewriter is a part of COLO project. So this patch set depend on colo-compare. It will rewrite some of secondary packet to make secondary guest's connection established successfully. In this module we will rewrite tcp packet's ack to the secondary from primary,and rewrite tcp packet's seq to the primary from secondary. v3: - fix typo - add conn->syn_flag - add some comments - remove conn_list_lock - fix offset set bug v2: - add more comments about packet flows - add some trace-event - add seq offset ( = secondary_seq - primary_seq) v1: - initial patch Zhang Chen (3): filter-rewriter: introduce filter-rewriter initialization filter-rewriter: track connection and parse packet filter-rewriter: rewrite tcp packet to keep secondary connection net/Makefile.objs | 1 + net/colo-base.c | 2 + net/colo-base.h | 7 ++ net/filter-rewriter.c | 262 ++++++++++++++++++++++++++++++++++++++++++++++++++ qemu-options.hx | 13 +++ trace-events | 5 + vl.c | 3 +- 7 files changed, 292 insertions(+), 1 deletion(-) create mode 100644 net/filter-rewriter.c -- 2.7.4