From nobody Mon Feb 9 10:48:31 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1635274409226762.8027452860521; Tue, 26 Oct 2021 11:53:29 -0700 (PDT) Received: from localhost ([::1]:51808 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mfRZg-00053y-6e for importer@patchew.org; Tue, 26 Oct 2021 14:53:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57618) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mfRAF-0007rq-PX for qemu-devel@nongnu.org; Tue, 26 Oct 2021 14:27:11 -0400 Received: from mga11.intel.com ([192.55.52.93]:17211) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mfRAC-0007Ao-Ad for qemu-devel@nongnu.org; Tue, 26 Oct 2021 14:27:11 -0400 Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2021 11:26:56 -0700 Received: from unknown (HELO localhost.localdomain) ([10.239.13.19]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2021 11:26:53 -0700 X-IronPort-AV: E=McAfee;i="6200,9189,10149"; a="227438573" X-IronPort-AV: E=Sophos;i="5.87,184,1631602800"; d="scan'208";a="227438573" X-IronPort-AV: E=Sophos;i="5.87,184,1631602800"; d="scan'208";a="497480958" From: Zhang Chen To: Jason Wang Subject: [PATCH V4 2/3] net/filter: Remove vnet_hdr from filter-rewriter Date: Wed, 27 Oct 2021 02:17:29 +0800 Message-Id: <20211026181730.3102184-3-chen.zhang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211026181730.3102184-1-chen.zhang@intel.com> References: <20211026181730.3102184-1-chen.zhang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.93; envelope-from=chen.zhang@intel.com; helo=mga11.intel.com X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhang Chen , qemu-dev , Li Zhijian , Markus Armbruster Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1635274410009100001 Content-Type: text/plain; charset="utf-8" Make the vnet header a necessary part of filter transfer protocol. So we need remove the module switch here. Signed-off-by: Zhang Chen --- net/filter-rewriter.c | 26 +------------------------- qemu-options.hx | 6 +++--- 2 files changed, 4 insertions(+), 28 deletions(-) diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c index cb3a96cde1..acc09f20fa 100644 --- a/net/filter-rewriter.c +++ b/net/filter-rewriter.c @@ -34,7 +34,6 @@ struct RewriterState { NetQueue *incoming_queue; /* hashtable to save connection */ GHashTable *connection_track_table; - bool vnet_hdr; bool failover_mode; }; =20 @@ -266,9 +265,7 @@ static ssize_t colo_rewriter_receive_iov(NetFilterState= *nf, =20 iov_to_buf(iov, iovcnt, 0, buf, size); =20 - if (s->vnet_hdr) { - vnet_hdr_len =3D nf->netdev->vnet_hdr_len; - } + vnet_hdr_len =3D nf->netdev->vnet_hdr_len; =20 pkt =3D packet_new_nocopy(buf, size, vnet_hdr_len); =20 @@ -395,27 +392,10 @@ static void colo_rewriter_setup(NetFilterState *nf, E= rror **errp) s->incoming_queue =3D qemu_new_net_queue(qemu_netfilter_pass_to_next, = nf); } =20 -static bool filter_rewriter_get_vnet_hdr(Object *obj, Error **errp) -{ - RewriterState *s =3D FILTER_REWRITER(obj); - - return s->vnet_hdr; -} - -static void filter_rewriter_set_vnet_hdr(Object *obj, - bool value, - Error **errp) -{ - RewriterState *s =3D FILTER_REWRITER(obj); - - s->vnet_hdr =3D value; -} - static void filter_rewriter_init(Object *obj) { RewriterState *s =3D FILTER_REWRITER(obj); =20 - s->vnet_hdr =3D false; s->failover_mode =3D FAILOVER_MODE_OFF; } =20 @@ -423,10 +403,6 @@ static void colo_rewriter_class_init(ObjectClass *oc, = void *data) { NetFilterClass *nfc =3D NETFILTER_CLASS(oc); =20 - object_class_property_add_bool(oc, "vnet_hdr_support", - filter_rewriter_get_vnet_hdr, - filter_rewriter_set_vnet_hdr); - nfc->setup =3D colo_rewriter_setup; nfc->cleanup =3D colo_rewriter_cleanup; nfc->receive_iov =3D colo_rewriter_receive_iov; diff --git a/qemu-options.hx b/qemu-options.hx index 38c03812a7..6d3b7ab8a0 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4958,12 +4958,12 @@ SRST id can not be the same. we can just use indev or outdev, but at least one of indev or outdev need to be specified. =20 - ``-object filter-rewriter,id=3Did,netdev=3Dnetdevid,queue=3Dall|rx|tx,= [vnet_hdr_support][,position=3Dhead|tail|id=3D][,insert=3Dbehind|before= ]`` + ``-object filter-rewriter,id=3Did,netdev=3Dnetdevid,queue=3Dall|rx|tx[= ,position=3Dhead|tail|id=3D][,insert=3Dbehind|before]`` Filter-rewriter is a part of COLO project.It will rewrite tcp packet to secondary from primary to keep secondary tcp connection,and rewrite tcp packet to primary from secondary make - tcp packet can be handled by client.if it has the - vnet\_hdr\_support flag, we can parse packet with vnet header. + tcp packet can be handled by client. Filter-rewriter support + parse packet with vnet header. =20 usage: colo secondary: -object filter-redirector,id=3Df1,netdev=3Dhn0,queue=3Dtx,indev=3Dred0 -ob= ject --=20 2.25.1