From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829516672254.8129857514972; Wed, 7 Jun 2017 02:58:36 -0700 (PDT) Received: from localhost ([::1]:42371 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXjW-0003VW-Qi for importer@patchew.org; Wed, 07 Jun 2017 05:58:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60706) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgM-0000si-E2 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgJ-0003W9-Na for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:18 -0400 Received: from [59.151.112.132] (port=5646 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgJ-0003Vu-Ca for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:15 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:13 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 9352447C6D2C; Wed, 7 Jun 2017 17:55:10 +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; Wed, 7 Jun 2017 17:55:09 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761099" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:13 +0800 Message-ID: <1496829322-17099-2-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 9352447C6D2C.AC192 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 V6 01/10] net: Add vnet_hdr_len arguments in NetClientState 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add vnet_hdr_len arguments in NetClientState that make other module get real vnet_hdr_len easily. Signed-off-by: Zhang Chen --- include/net/net.h | 1 + net/net.c | 1 + 2 files changed, 2 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index 99b28d5..9a92c70 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -100,6 +100,7 @@ struct NetClientState { unsigned int queue_index; unsigned rxfilter_notify_enabled:1; int vring_enable; + int vnet_hdr_len; QTAILQ_HEAD(NetFilterHead, NetFilterState) filters; }; =20 diff --git a/net/net.c b/net/net.c index 0ac3b9e..4e7a305 100644 --- a/net/net.c +++ b/net/net.c @@ -491,6 +491,7 @@ void qemu_set_vnet_hdr_len(NetClientState *nc, int len) return; } =20 + nc->vnet_hdr_len =3D len; nc->info->set_vnet_hdr_len(nc, len); } =20 --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829601986578.2835413922182; Wed, 7 Jun 2017 03:00:01 -0700 (PDT) Received: from localhost ([::1]:42380 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXku-0005U2-AY for importer@patchew.org; Wed, 07 Jun 2017 06:00:00 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60710) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgM-0000sq-He for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgL-0003Wk-Cd for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:18 -0400 Received: from [59.151.112.132] (port=5646 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgK-0003Vu-Fo for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:17 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:13 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id BBF7447C6D36; Wed, 7 Jun 2017 17:55:11 +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; Wed, 7 Jun 2017 17:55:10 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761100" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:14 +0800 Message-ID: <1496829322-17099-3-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: BBF7447C6D36.A0CD9 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 V6 02/10] net/filter-mirror.c: Make filter mirror support vnet support. 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We add the vnet_hdr_support option for filter-mirror, default is disable. If you use virtio-net-pci net driver, please enable it. You can use it for example: -object filter-mirror,id=3Dm0,netdev=3Dhn0,queue=3Dtx,outdev=3Dmirror0,vnet= _hdr_support If have vnet_hdr_support flag, we will change the send packet format from struct {int size; const uint8_t buf[];} to {int size; int vnet_hdr_len; con= st uint8_t buf[];}. make other module(like colo-compare) know how to parse net packet correctly. Signed-off-by: Zhang Chen --- net/filter-mirror.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++= ---- qemu-options.hx | 5 ++-- 2 files changed, 66 insertions(+), 8 deletions(-) diff --git a/net/filter-mirror.c b/net/filter-mirror.c index 72fa7c2..50aa81b 100644 --- a/net/filter-mirror.c +++ b/net/filter-mirror.c @@ -38,15 +38,17 @@ typedef struct MirrorState { NetFilterState parent_obj; char *indev; char *outdev; + bool vnet_hdr; CharBackend chr_in; CharBackend chr_out; SocketReadState rs; } MirrorState; =20 -static int filter_mirror_send(CharBackend *chr_out, +static int filter_mirror_send(MirrorState *s, const struct iovec *iov, int iovcnt) { + NetFilterState *nf =3D NETFILTER(s); int ret =3D 0; ssize_t size =3D 0; uint32_t len =3D 0; @@ -58,14 +60,43 @@ static int filter_mirror_send(CharBackend *chr_out, } =20 len =3D htonl(size); - ret =3D qemu_chr_fe_write_all(chr_out, (uint8_t *)&len, sizeof(len)); + ret =3D qemu_chr_fe_write_all(&s->chr_out, (uint8_t *)&len, sizeof(len= )); if (ret !=3D sizeof(len)) { goto err; } =20 + if (s->vnet_hdr) { + /* + * If vnet_hdr =3D on, we send vnet header len to make other + * module(like colo-compare) know how to parse net + * packet correctly. + */ + ssize_t vnet_hdr_len; + + /* + * In anytime, nf->netdev and nf->netdev->peer both have a vnet_hd= r_len, + * Here we just find out which is we need. When filter set RX or TX + * that the real vnet_hdr_len are different. + */ + if (nf->direction =3D=3D NET_FILTER_DIRECTION_RX || + nf->direction =3D=3D NET_FILTER_DIRECTION_ALL) { + vnet_hdr_len =3D nf->netdev->vnet_hdr_len; + } else if (nf->direction =3D=3D NET_FILTER_DIRECTION_TX) { + vnet_hdr_len =3D nf->netdev->peer->vnet_hdr_len; + } else { + return 0; + } + + len =3D htonl(vnet_hdr_len); + ret =3D qemu_chr_fe_write_all(&s->chr_out, (uint8_t *)&len, sizeof= (len)); + if (ret !=3D sizeof(len)) { + goto err; + } + } + buf =3D g_malloc(size); iov_to_buf(iov, iovcnt, 0, buf, size); - ret =3D qemu_chr_fe_write_all(chr_out, (uint8_t *)buf, size); + ret =3D qemu_chr_fe_write_all(&s->chr_out, (uint8_t *)buf, size); g_free(buf); if (ret !=3D size) { goto err; @@ -141,7 +172,7 @@ static ssize_t filter_mirror_receive_iov(NetFilterState= *nf, MirrorState *s =3D FILTER_MIRROR(nf); int ret; =20 - ret =3D filter_mirror_send(&s->chr_out, iov, iovcnt); + ret =3D filter_mirror_send(s, iov, iovcnt); if (ret) { error_report("filter_mirror_send failed(%s)", strerror(-ret)); } @@ -164,7 +195,7 @@ static ssize_t filter_redirector_receive_iov(NetFilterS= tate *nf, int ret; =20 if (qemu_chr_fe_get_driver(&s->chr_out)) { - ret =3D filter_mirror_send(&s->chr_out, iov, iovcnt); + ret =3D filter_mirror_send(s, iov, iovcnt); if (ret) { error_report("filter_mirror_send failed(%s)", strerror(-ret)); } @@ -308,6 +339,13 @@ static char *filter_mirror_get_outdev(Object *obj, Err= or **errp) return g_strdup(s->outdev); } =20 +static bool filter_mirror_get_vnet_hdr(Object *obj, Error **errp) +{ + MirrorState *s =3D FILTER_MIRROR(obj); + + return s->vnet_hdr; +} + static void filter_mirror_set_outdev(Object *obj, const char *value, Error **errp) { @@ -322,6 +360,15 @@ filter_mirror_set_outdev(Object *obj, const char *valu= e, Error **errp) } } =20 +static void filter_mirror_set_vnet_hdr(Object *obj, + bool value, + Error **errp) +{ + MirrorState *s =3D FILTER_MIRROR(obj); + + s->vnet_hdr =3D value; +} + static char *filter_redirector_get_outdev(Object *obj, Error **errp) { MirrorState *s =3D FILTER_REDIRECTOR(obj); @@ -340,8 +387,20 @@ filter_redirector_set_outdev(Object *obj, const char *= value, Error **errp) =20 static void filter_mirror_init(Object *obj) { + MirrorState *s =3D FILTER_MIRROR(obj); + object_property_add_str(obj, "outdev", filter_mirror_get_outdev, filter_mirror_set_outdev, NULL); + + /* + * The vnet_hdr is disabled by default, if you want to enable + * this option, you must enable all the option on related modules + * (like other filter or colo-compare). + */ + s->vnet_hdr =3D false; + object_property_add_bool(obj, "vnet_hdr_support", + filter_mirror_get_vnet_hdr, + filter_mirror_set_vnet_hdr, NULL); } =20 static void filter_redirector_init(Object *obj) diff --git a/qemu-options.hx b/qemu-options.hx index 70c0ded..5c09fae 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4024,10 +4024,9 @@ queue @var{all|rx|tx} is an option that can be appli= ed to any netfilter. @option{tx}: the filter is attached to the transmit queue of the netdev, where it will receive packets sent by the netdev. =20 -@item -object filter-mirror,id=3D@var{id},netdev=3D@var{netdevid},outdev= =3D@var{chardevid}[,queue=3D@var{all|rx|tx}] +@item -object filter-mirror,id=3D@var{id},netdev=3D@var{netdevid},outdev= =3D@var{chardevid},queue=3D@var{all|rx|tx}[,vnet_hdr_support] =20 -filter-mirror on netdev @var{netdevid},mirror net packet to chardev -@var{chardevid} +filter-mirror on netdev @var{netdevid},mirror net packet to chardev@var{ch= ardevid}, if have the vnet_hdr_support flag, filter-mirror will mirror pack= et with vnet_hdr_len. =20 @item -object filter-redirector,id=3D@var{id},netdev=3D@var{netdevid},inde= v=3D@var{chardevid}, outdev=3D@var{chardevid}[,queue=3D@var{all|rx|tx}] --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829764422743.2101333382078; Wed, 7 Jun 2017 03:02:44 -0700 (PDT) Received: from localhost ([::1]:42397 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXnU-0007k7-OQ for importer@patchew.org; Wed, 07 Jun 2017 06:02:40 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60703) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgM-0000sg-Do for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgK-0003WL-BW for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:18 -0400 Received: from [59.151.112.132] (port=2775 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgJ-0003UP-Vt for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:16 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:13 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id C708347C7C61; Wed, 7 Jun 2017 17:55:13 +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; Wed, 7 Jun 2017 17:55:12 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761098" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:15 +0800 Message-ID: <1496829322-17099-4-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: C708347C7C61.AEFA9 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 V6 03/10] net/filter-mirror.c: Add new option to enable vnet support for filter-redirector 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We add the vnet_hdr_support option for filter-redirector, default is disabl= e. If you use virtio-net-pci net driver, please enable it. Because colo-compare or other modules needs the vnet_hdr_len to parse packet, so we add this new option send the len to others. You can use it for example: -object filter-redirector,id=3Dr0,netdev=3Dhn0,queue=3Dtx,outdev=3Dred0,vne= t_hdr_support Signed-off-by: Zhang Chen --- net/filter-mirror.c | 28 ++++++++++++++++++++++++++++ qemu-options.hx | 6 +++--- 2 files changed, 31 insertions(+), 3 deletions(-) diff --git a/net/filter-mirror.c b/net/filter-mirror.c index 50aa81b..3413e82 100644 --- a/net/filter-mirror.c +++ b/net/filter-mirror.c @@ -376,6 +376,13 @@ static char *filter_redirector_get_outdev(Object *obj,= Error **errp) return g_strdup(s->outdev); } =20 +static bool filter_redirector_get_vnet_hdr(Object *obj, Error **errp) +{ + MirrorState *s =3D FILTER_REDIRECTOR(obj); + + return s->vnet_hdr; +} + static void filter_redirector_set_outdev(Object *obj, const char *value, Error **errp) { @@ -385,6 +392,15 @@ filter_redirector_set_outdev(Object *obj, const char *= value, Error **errp) s->outdev =3D g_strdup(value); } =20 +static void filter_redirector_set_vnet_hdr(Object *obj, + bool value, + Error **errp) +{ + MirrorState *s =3D FILTER_REDIRECTOR(obj); + + s->vnet_hdr =3D value; +} + static void filter_mirror_init(Object *obj) { MirrorState *s =3D FILTER_MIRROR(obj); @@ -405,10 +421,22 @@ static void filter_mirror_init(Object *obj) =20 static void filter_redirector_init(Object *obj) { + MirrorState *s =3D FILTER_REDIRECTOR(obj); + object_property_add_str(obj, "indev", filter_redirector_get_indev, filter_redirector_set_indev, NULL); object_property_add_str(obj, "outdev", filter_redirector_get_outdev, filter_redirector_set_outdev, NULL); + + /* + * The vnet_hdr is disabled by default, if you want to enable + * this option, you must enable all the option on related modules + * (like other filter or colo-compare). + */ + s->vnet_hdr =3D false; + object_property_add_bool(obj, "vnet_hdr_support", + filter_redirector_get_vnet_hdr, + filter_redirector_set_vnet_hdr, NULL); } =20 static void filter_mirror_fini(Object *obj) diff --git a/qemu-options.hx b/qemu-options.hx index 5c09fae..e78b942 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4028,11 +4028,11 @@ queue @var{all|rx|tx} is an option that can be appl= ied to any netfilter. =20 filter-mirror on netdev @var{netdevid},mirror net packet to chardev@var{ch= ardevid}, if have the vnet_hdr_support flag, filter-mirror will mirror pack= et with vnet_hdr_len. =20 -@item -object filter-redirector,id=3D@var{id},netdev=3D@var{netdevid},inde= v=3D@var{chardevid}, -outdev=3D@var{chardevid}[,queue=3D@var{all|rx|tx}] +@item -object filter-redirector,id=3D@var{id},netdev=3D@var{netdevid},inde= v=3D@var{chardevid},outdev=3D@var{chardevid},queue=3D@var{all|rx|tx}[,vnet_= hdr_support] =20 filter-redirector on netdev @var{netdevid},redirect filter's net packet to= chardev -@var{chardevid},and redirect indev's packet to filter. +@var{chardevid},and redirect indev's packet to filter.if have the vnet_hdr= _support flag, +filter-redirector will redirect packet with vnet_hdr_len. Create a filter-redirector we need to differ outdev id from indev id, id c= an not be the same. we can just use indev or outdev, but at least one of indev or= outdev need to be specified. --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829456085996.0302452725816; Wed, 7 Jun 2017 02:57:36 -0700 (PDT) Received: from localhost ([::1]:42370 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXiY-0002Ta-Nf for importer@patchew.org; Wed, 07 Jun 2017 05:57:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60712) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgM-0000t5-Oj for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgL-0003Wq-L6 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:18 -0400 Received: from [59.151.112.132] (port=2726 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgK-0003W8-Od for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:17 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:15 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 8E62447C7C61; Wed, 7 Jun 2017 17:55:15 +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; Wed, 7 Jun 2017 17:55:14 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761103" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:16 +0800 Message-ID: <1496829322-17099-5-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 8E62447C7C61.AE1DE 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 V6 04/10] net/net.c: Add vnet_hdr support in SocketReadState 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We add a flag to dicide whether net_fill_rstate() to read the vnet_hdr_len or not. Signed-off-by: Zhang Chen Suggested-by: Jason Wang --- include/net/net.h | 6 +++++- net/filter-mirror.c | 1 + net/net.c | 33 ++++++++++++++++++++++++++++++--- 3 files changed, 36 insertions(+), 4 deletions(-) diff --git a/include/net/net.h b/include/net/net.h index 9a92c70..b2167ae 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -112,9 +112,13 @@ typedef struct NICState { } NICState; =20 struct SocketReadState { - int state; /* 0 =3D getting length, 1 =3D getting data */ + /* 0 =3D getting length, 1 =3D getting vnet header length, 2 =3D getti= ng data */ + int state; + /* This flag decide whether to read the vnet_hdr_len field */ + bool vnet_hdr; uint32_t index; uint32_t packet_len; + uint32_t vnet_hdr_len; uint8_t buf[NET_BUFSIZE]; SocketReadStateFinalize *finalize; }; diff --git a/net/filter-mirror.c b/net/filter-mirror.c index 3413e82..4b03dda 100644 --- a/net/filter-mirror.c +++ b/net/filter-mirror.c @@ -267,6 +267,7 @@ static void filter_redirector_setup(NetFilterState *nf,= Error **errp) } =20 net_socket_rs_init(&s->rs, redirector_rs_finalize); + s->rs.vnet_hdr =3D s->vnet_hdr; =20 if (s->indev) { chr =3D qemu_chr_find(s->indev); diff --git a/net/net.c b/net/net.c index 4e7a305..b9b90c9 100644 --- a/net/net.c +++ b/net/net.c @@ -1606,8 +1606,10 @@ void net_socket_rs_init(SocketReadState *rs, SocketReadStateFinalize *finalize) { rs->state =3D 0; + rs->vnet_hdr =3D false; rs->index =3D 0; rs->packet_len =3D 0; + rs->vnet_hdr_len =3D 0; memset(rs->buf, 0, sizeof(rs->buf)); rs->finalize =3D finalize; } @@ -1622,8 +1624,12 @@ int net_fill_rstate(SocketReadState *rs, const uint8= _t *buf, int size) unsigned int l; =20 while (size > 0) { - /* reassemble a packet from the network */ - switch (rs->state) { /* 0 =3D getting length, 1 =3D getting data */ + /* Reassemble a packet from the network. + * 0 =3D getting length. + * 1 =3D getting vnet header length. + * 2 =3D getting data. + */ + switch (rs->state) { case 0: l =3D 4 - rs->index; if (l > size) { @@ -1637,10 +1643,31 @@ int net_fill_rstate(SocketReadState *rs, const uint= 8_t *buf, int size) /* got length */ rs->packet_len =3D ntohl(*(uint32_t *)rs->buf); rs->index =3D 0; - rs->state =3D 1; + if (rs->vnet_hdr) { + rs->state =3D 1; + } else { + rs->state =3D 2; + rs->vnet_hdr_len =3D 0; + } } break; case 1: + l =3D 4 - rs->index; + if (l > size) { + l =3D size; + } + memcpy(rs->buf + rs->index, buf, l); + buf +=3D l; + size -=3D l; + rs->index +=3D l; + if (rs->index =3D=3D 4) { + /* got vnet header length */ + rs->vnet_hdr_len =3D ntohl(*(uint32_t *)rs->buf); + rs->index =3D 0; + rs->state =3D 2; + } + break; + case 2: l =3D rs->packet_len - rs->index; if (l > size) { l =3D size; --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829533024783.1997613315193; Wed, 7 Jun 2017 02:58:53 -0700 (PDT) Received: from localhost ([::1]:42378 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXjm-0003mf-NJ for importer@patchew.org; Wed, 07 Jun 2017 05:58:50 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60790) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgR-0000yJ-U0 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgR-0003Yf-2p for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:23 -0400 Received: from [59.151.112.132] (port=12624 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgQ-0003Y9-Mq for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:23 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:20 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 2ED5147C7C84; Wed, 7 Jun 2017 17:55:17 +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; Wed, 7 Jun 2017 17:55:16 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761107" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:17 +0800 Message-ID: <1496829322-17099-6-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 2ED5147C7C84.AE875 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 V6 05/10] net/colo.c: Make vnet_hdr_len as packet property 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We can use this property flush and send packet with vnet_hdr_len. Signed-off-by: Zhang Chen --- net/colo-compare.c | 8 ++++++-- net/colo.c | 3 ++- net/colo.h | 4 +++- net/filter-rewriter.c | 2 +- 4 files changed, 12 insertions(+), 5 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index 4ab80b1..bf0b856 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -121,9 +121,13 @@ static int packet_enqueue(CompareState *s, int mode) Connection *conn; =20 if (mode =3D=3D PRIMARY_IN) { - pkt =3D packet_new(s->pri_rs.buf, s->pri_rs.packet_len); + pkt =3D packet_new(s->pri_rs.buf, + s->pri_rs.packet_len, + s->pri_rs.vnet_hdr_len); } else { - pkt =3D packet_new(s->sec_rs.buf, s->sec_rs.packet_len); + pkt =3D packet_new(s->sec_rs.buf, + s->sec_rs.packet_len, + s->sec_rs.vnet_hdr_len); } =20 if (parse_packet_early(pkt)) { diff --git a/net/colo.c b/net/colo.c index 8cc166b..180eaed 100644 --- a/net/colo.c +++ b/net/colo.c @@ -153,13 +153,14 @@ void connection_destroy(void *opaque) g_slice_free(Connection, conn); } =20 -Packet *packet_new(const void *data, int size) +Packet *packet_new(const void *data, int size, int vnet_hdr_len) { Packet *pkt =3D g_slice_new(Packet); =20 pkt->data =3D g_memdup(data, size); pkt->size =3D size; pkt->creation_ms =3D qemu_clock_get_ms(QEMU_CLOCK_HOST); + pkt->vnet_hdr_len =3D vnet_hdr_len; =20 return pkt; } diff --git a/net/colo.h b/net/colo.h index 7c524f3..caedb0d 100644 --- a/net/colo.h +++ b/net/colo.h @@ -43,6 +43,8 @@ typedef struct Packet { int size; /* Time of packet creation, in wall clock ms */ int64_t creation_ms; + /* Get vnet_hdr_len from filter */ + uint32_t vnet_hdr_len; } Packet; =20 typedef struct ConnectionKey { @@ -82,7 +84,7 @@ Connection *connection_get(GHashTable *connection_track_t= able, ConnectionKey *key, GQueue *conn_list); void connection_hashtable_reset(GHashTable *connection_track_table); -Packet *packet_new(const void *data, int size); +Packet *packet_new(const void *data, int size, int vnet_hdr_len); void packet_destroy(void *opaque, void *user_data); =20 #endif /* QEMU_COLO_PROXY_H */ diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c index afa06e8..63256c7 100644 --- a/net/filter-rewriter.c +++ b/net/filter-rewriter.c @@ -158,7 +158,7 @@ static ssize_t colo_rewriter_receive_iov(NetFilterState= *nf, char *buf =3D g_malloc0(size); =20 iov_to_buf(iov, iovcnt, 0, buf, size); - pkt =3D packet_new(buf, size); + pkt =3D packet_new(buf, size, 0); g_free(buf); =20 /* --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496830036943368.3072091281225; Wed, 7 Jun 2017 03:07:16 -0700 (PDT) Received: from localhost ([::1]:42419 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXrt-0003bp-DS for importer@patchew.org; Wed, 07 Jun 2017 06:07:13 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60789) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgR-0000yI-U0 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgQ-0003YU-NQ for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:23 -0400 Received: from [59.151.112.132] (port=2726 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgP-0003W8-Rv for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:22 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:20 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 7399947C7C86; Wed, 7 Jun 2017 17:55:18 +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; Wed, 7 Jun 2017 17:55:17 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761106" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:18 +0800 Message-ID: <1496829322-17099-7-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 7399947C7C86.AFB61 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 V6 06/10] net/colo-compare.c: Make colo-compare support vnet_hdr_len 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We add the vnet_hdr_support option for colo-compare, default is disable. If you use virtio-net-pci or other driver needs vnet_hdr, please enable it. You can use it for example: -object colo-compare,id=3Dcomp0,primary_in=3Dcompare0-0,secondary_in=3Dcomp= are1,outdev=3Dcompare_out0,vnet_hdr_support COLO-compare can get vnet header length from filter, Add vnet_hdr_len to struct packet and output packet with the vnet_hdr_len. Signed-off-by: Zhang Chen --- net/colo-compare.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++---= ---- qemu-options.hx | 4 ++-- 2 files changed, 63 insertions(+), 11 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index bf0b856..e33cf7e 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -73,6 +73,7 @@ typedef struct CompareState { CharBackend chr_out; SocketReadState pri_rs; SocketReadState sec_rs; + bool vnet_hdr; =20 /* connection list: the connections belonged to this NIC could be found * in this list. @@ -97,9 +98,10 @@ enum { SECONDARY_IN, }; =20 -static int compare_chr_send(CharBackend *out, +static int compare_chr_send(CompareState *s, const uint8_t *buf, - uint32_t size); + uint32_t size, + uint32_t vnet_hdr_len); =20 static gint seq_sorter(Packet *a, Packet *b, gpointer data) { @@ -472,7 +474,10 @@ static void colo_compare_connection(void *opaque, void= *user_data) } =20 if (result) { - ret =3D compare_chr_send(&s->chr_out, pkt->data, pkt->size); + ret =3D compare_chr_send(s, + pkt->data, + pkt->size, + pkt->vnet_hdr_len); if (ret < 0) { error_report("colo_send_primary_packet failed"); } @@ -493,9 +498,10 @@ static void colo_compare_connection(void *opaque, void= *user_data) } } =20 -static int compare_chr_send(CharBackend *out, +static int compare_chr_send(CompareState *s, const uint8_t *buf, - uint32_t size) + uint32_t size, + uint32_t vnet_hdr_len) { int ret =3D 0; uint32_t len =3D htonl(size); @@ -504,12 +510,24 @@ static int compare_chr_send(CharBackend *out, return 0; } =20 - ret =3D qemu_chr_fe_write_all(out, (uint8_t *)&len, sizeof(len)); + ret =3D qemu_chr_fe_write_all(&s->chr_out, (uint8_t *)&len, sizeof(len= )); if (ret !=3D sizeof(len)) { goto err; } =20 - ret =3D qemu_chr_fe_write_all(out, (uint8_t *)buf, size); + if (s->vnet_hdr) { + /* + * We send vnet header len make other module(like filter-redirecto= r) + * know how to parse net packet correctly. + */ + len =3D htonl(vnet_hdr_len); + ret =3D qemu_chr_fe_write_all(&s->chr_out, (uint8_t *)&len, sizeof= (len)); + if (ret !=3D sizeof(len)) { + goto err; + } + } + + ret =3D qemu_chr_fe_write_all(&s->chr_out, (uint8_t *)buf, size); if (ret !=3D size) { goto err; } @@ -646,13 +664,32 @@ static void compare_set_outdev(Object *obj, const cha= r *value, Error **errp) s->outdev =3D g_strdup(value); } =20 +static bool compare_get_vnet_hdr(Object *obj, Error **errp) +{ + CompareState *s =3D COLO_COMPARE(obj); + + return s->vnet_hdr; +} + +static void compare_set_vnet_hdr(Object *obj, + bool value, + Error **errp) +{ + CompareState *s =3D COLO_COMPARE(obj); + + s->vnet_hdr =3D value; +} + static void compare_pri_rs_finalize(SocketReadState *pri_rs) { CompareState *s =3D container_of(pri_rs, CompareState, pri_rs); =20 if (packet_enqueue(s, PRIMARY_IN)) { trace_colo_compare_main("primary: unsupported packet in"); - compare_chr_send(&s->chr_out, pri_rs->buf, pri_rs->packet_len); + compare_chr_send(s, + pri_rs->buf, + pri_rs->packet_len, + pri_rs->vnet_hdr_len); } else { /* compare connection */ g_queue_foreach(&s->conn_list, colo_compare_connection, s); @@ -735,7 +772,9 @@ static void colo_compare_complete(UserCreatable *uc, Er= ror **errp) } =20 net_socket_rs_init(&s->pri_rs, compare_pri_rs_finalize); + s->pri_rs.vnet_hdr =3D s->vnet_hdr; net_socket_rs_init(&s->sec_rs, compare_sec_rs_finalize); + s->sec_rs.vnet_hdr =3D s->vnet_hdr; =20 g_queue_init(&s->conn_list); =20 @@ -761,7 +800,10 @@ static void colo_flush_packets(void *opaque, void *use= r_data) =20 while (!g_queue_is_empty(&conn->primary_list)) { pkt =3D g_queue_pop_head(&conn->primary_list); - compare_chr_send(&s->chr_out, pkt->data, pkt->size); + compare_chr_send(s, + pkt->data, + pkt->size, + pkt->vnet_hdr_len); packet_destroy(pkt, NULL); } while (!g_queue_is_empty(&conn->secondary_list)) { @@ -779,6 +821,8 @@ static void colo_compare_class_init(ObjectClass *oc, vo= id *data) =20 static void colo_compare_init(Object *obj) { + CompareState *s =3D COLO_COMPARE(obj); + object_property_add_str(obj, "primary_in", compare_get_pri_indev, compare_set_pri_indev, NULL); @@ -788,6 +832,14 @@ static void colo_compare_init(Object *obj) object_property_add_str(obj, "outdev", compare_get_outdev, compare_set_outdev, NULL); + /* + * The vnet_hdr is disabled by default, if you want to enable + * this option, you must enable all the option on related modules + * (like other filter or colo-compare). + */ + s->vnet_hdr =3D false; + object_property_add_bool(obj, "vnet_hdr_support", compare_get_vnet_hdr, + compare_set_vnet_hdr, NULL); } =20 static void colo_compare_finalize(Object *obj) diff --git a/qemu-options.hx b/qemu-options.hx index e78b942..fbfd604 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4057,13 +4057,13 @@ Dump the network traffic on netdev @var{dev} to the= file specified by The file format is libpcap, so it can be analyzed with tools such as tcpdu= mp or Wireshark. =20 -@item -object colo-compare,id=3D@var{id},primary_in=3D@var{chardevid},seco= ndary_in=3D@var{chardevid}, -outdev=3D@var{chardevid} +@item -object colo-compare,id=3D@var{id},primary_in=3D@var{chardevid},seco= ndary_in=3D@var{chardevid},outdev=3D@var{chardevid}[,vnet_hdr_support] =20 Colo-compare gets packet from primary_in@var{chardevid} and secondary_in@v= ar{chardevid}, than compare primary packet with secondary packet. If the packets are same, we will output primary packet to outdev@var{chardevid}, else we will notify colo-frame do checkpoint and send primary packet to outdev@var{chardevid}. +if have the vnet_hdr_support flag, colo compare will send/recv packet with= vnet_hdr_len. =20 we must use it with the help of filter-mirror and filter-redirector. =20 --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829913380518.8704892052269; Wed, 7 Jun 2017 03:05:13 -0700 (PDT) Received: from localhost ([::1]:42408 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXpv-0001x3-S4 for importer@patchew.org; Wed, 07 Jun 2017 06:05:11 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60758) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgP-0000wA-Ts for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgP-0003Y0-4h for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:21 -0400 Received: from [59.151.112.132] (port=2726 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgO-0003W8-P9 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:21 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:20 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 5FFB947C7C88; Wed, 7 Jun 2017 17:55:19 +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; Wed, 7 Jun 2017 17:55:18 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761105" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:19 +0800 Message-ID: <1496829322-17099-8-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 5FFB947C7C88.A0A80 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 V6 07/10] 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: zhanghailiang , Li Zhijian , weifuqiang , "eddie . dong" , Zhang Chen , bian naimeng Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Make colo-compare and filter-rewriter can parse vnet packet. Signed-off-by: Zhang Chen --- 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[] =3D {0x81, 0x00}; - uint8_t *data =3D pkt->data; + uint8_t *data =3D pkt->data + pkt->vnet_hdr_len; uint16_t l3_proto; ssize_t l2hdr_len =3D eth_get_l2_hdr_length(data); =20 - 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) } =20 network_length =3D 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; } --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829604750440.0327711751602; Wed, 7 Jun 2017 03:00:04 -0700 (PDT) Received: from localhost ([::1]:42383 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXkx-0005Xr-DU for importer@patchew.org; Wed, 07 Jun 2017 06:00:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60769) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgQ-0000x5-QN for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgP-0003YG-W6 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:22 -0400 Received: from [59.151.112.132] (port=8064 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgP-0003Xm-Jk for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:21 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:20 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 649C847C7C89; Wed, 7 Jun 2017 17:55:20 +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; Wed, 7 Jun 2017 17:55:19 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761108" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:20 +0800 Message-ID: <1496829322-17099-9-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 649C847C7C89.AE505 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 V6 08/10] 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 e33cf7e..ad1c3d5 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -201,8 +201,11 @@ static int colo_packet_compare_common(Packet *ppkt, Pa= cket *spkt, int offset) sec_ip_src, sec_ip_dst); } =20 + offset =3D ppkt->vnet_hdr_len + offset; + if (ppkt->size =3D=3D 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 =3D ppkt->transport_header - (uint8_t *)ppkt->data - + (ptcp->th_off * 4); + + (ptcp->th_off * 4) - ppkt->vnet_hdr_len; res =3D colo_packet_compare_common(ppkt, spkt, tcp_offset); } else if (ptcp->th_sum =3D=3D stcp->th_sum) { res =3D colo_packet_compare_common(ppkt, spkt, ETH_HLEN); --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829766518737.8879452737805; Wed, 7 Jun 2017 03:02:46 -0700 (PDT) Received: from localhost ([::1]:42399 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXnX-0007mv-V1 for importer@patchew.org; Wed, 07 Jun 2017 06:02:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60794) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgS-0000yP-BD for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgR-0003Yh-32 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:24 -0400 Received: from [59.151.112.132] (port=8064 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgQ-0003Xm-Mz for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:23 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:21 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id C5A1047C7C61; Wed, 7 Jun 2017 17:55:21 +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; Wed, 7 Jun 2017 17:55:20 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761111" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:21 +0800 Message-ID: <1496829322-17099-10-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: C5A1047C7C61.AD567 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 V6 09/10] net/filter-rewriter.c: Make filter-rewriter support vnet_hdr_len 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We add the vnet_hdr_support option for filter-rewriter, default is disable. If you use virtio-net-pci net driver, please enable it. You can use it for example: -object filter-rewriter,id=3Drew0,netdev=3Dhn0,queue=3Dall,vnet_hdr_support We get the vnet_hdr_len from NetClientState that make us parse net packet correctly. Signed-off-by: Zhang Chen --- net/filter-rewriter.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++= +++- qemu-options.hx | 4 ++-- 2 files changed, 52 insertions(+), 3 deletions(-) diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c index 63256c7..8eaf0e8 100644 --- a/net/filter-rewriter.c +++ b/net/filter-rewriter.c @@ -17,6 +17,7 @@ #include "qemu-common.h" #include "qapi/error.h" #include "qapi/qmp/qerror.h" +#include "qemu/error-report.h" #include "qapi-visit.h" #include "qom/object.h" #include "qemu/main-loop.h" @@ -33,6 +34,7 @@ typedef struct RewriterState { NetQueue *incoming_queue; /* hashtable to save connection */ GHashTable *connection_track_table; + bool vnet_hdr; } RewriterState; =20 static void filter_rewriter_flush(NetFilterState *nf) @@ -155,10 +157,25 @@ static ssize_t colo_rewriter_receive_iov(NetFilterSta= te *nf, ConnectionKey key; Packet *pkt; ssize_t size =3D iov_size(iov, iovcnt); + ssize_t vnet_hdr_len =3D 0; char *buf =3D g_malloc0(size); =20 iov_to_buf(iov, iovcnt, 0, buf, size); - pkt =3D packet_new(buf, size, 0); + + if (s->vnet_hdr) { + if (nf->direction =3D=3D NET_FILTER_DIRECTION_RX || + nf->direction =3D=3D NET_FILTER_DIRECTION_ALL) { + vnet_hdr_len =3D nf->netdev->vnet_hdr_len; + } else if (nf->direction =3D=3D NET_FILTER_DIRECTION_TX) { + vnet_hdr_len =3D nf->netdev->peer->vnet_hdr_len; + } else { + error_report("filter-rewriter get vnet_hdr_len failed"); + /* When error occurred we drop the packet */ + return 1; + } + } + + pkt =3D packet_new(buf, size, vnet_hdr_len); g_free(buf); =20 /* @@ -237,6 +254,37 @@ static void colo_rewriter_setup(NetFilterState *nf, Er= ror **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_COLO_REWRITER(obj); + + return s->vnet_hdr; +} + +static void filter_rewriter_set_vnet_hdr(Object *obj, + bool value, + Error **errp) +{ + RewriterState *s =3D FILTER_COLO_REWRITER(obj); + + s->vnet_hdr =3D value; +} + +static void filter_rewriter_init(Object *obj) +{ + RewriterState *s =3D FILTER_COLO_REWRITER(obj); + + /* + * The vnet_hdr is disabled by default, if you want to enable + * this option, you must enable all the option on related modules + * (like other filter or colo-compare). + */ + s->vnet_hdr =3D false; + object_property_add_bool(obj, "vnet_hdr_support", + filter_rewriter_get_vnet_hdr, + filter_rewriter_set_vnet_hdr, NULL); +} + static void colo_rewriter_class_init(ObjectClass *oc, void *data) { NetFilterClass *nfc =3D NETFILTER_CLASS(oc); @@ -250,6 +298,7 @@ static const TypeInfo colo_rewriter_info =3D { .name =3D TYPE_FILTER_REWRITER, .parent =3D TYPE_NETFILTER, .class_init =3D colo_rewriter_class_init, + .instance_init =3D filter_rewriter_init, .instance_size =3D sizeof(RewriterState), }; =20 diff --git a/qemu-options.hx b/qemu-options.hx index fbfd604..8655842 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4037,12 +4037,12 @@ Create a filter-redirector we need to differ outdev= id from indev id, 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 -@item -object filter-rewriter,id=3D@var{id},netdev=3D@var{netdevid},rewrit= er-mode=3D@var{mode}[,queue=3D@var{all|rx|tx}] +@item -object filter-rewriter,id=3D@var{id},netdev=3D@var{netdevid},rewrit= er-mode=3D@var{mode},queue=3D@var{all|rx|tx},[vnet_hdr_support] =20 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. +client.if have the vnet_hdr_support flag, we can parse packet with vnet he= ader. =20 usage: colo secondary: --=20 2.7.4 From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496829686830343.1252938857871; Wed, 7 Jun 2017 03:01:26 -0700 (PDT) Received: from localhost ([::1]:42394 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXmH-0006j0-Ge for importer@patchew.org; Wed, 07 Jun 2017 06:01:25 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60826) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgW-00012j-Bv for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIXgV-0003Zv-AS for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:28 -0400 Received: from [59.151.112.132] (port=8064 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIXgU-0003Xm-Ud for qemu-devel@nongnu.org; Wed, 07 Jun 2017 05:55:27 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 07 Jun 2017 17:55:26 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id D47CD47C7C61; Wed, 7 Jun 2017 17:55:22 +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; Wed, 7 Jun 2017 17:55:21 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19761121" From: Zhang Chen To: qemu devel , Jason Wang Date: Wed, 7 Jun 2017 17:55:22 +0800 Message-ID: <1496829322-17099-11-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1496829322-17099-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: D47CD47C7C61.A0D49 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 V6 10/10] docs/colo-proxy.txt: Update colo-proxy usage of net driver with vnet_header 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Zhang Chen --- docs/colo-proxy.txt | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/docs/colo-proxy.txt b/docs/colo-proxy.txt index c4941de..f6a624f 100644 --- a/docs/colo-proxy.txt +++ b/docs/colo-proxy.txt @@ -182,6 +182,32 @@ Secondary(ip:3.3.3.8): -chardev socket,id=3Dred1,host=3D3.3.3.3,port=3D9004 -object filter-redirector,id=3Df1,netdev=3Dhn0,queue=3Dtx,indev=3Dred0 -object filter-redirector,id=3Df2,netdev=3Dhn0,queue=3Drx,outdev=3Dred1 +-object filter-rewriter,id=3Df3,netdev=3Dhn0,queue=3Dall + +If you want to use virtio-net-pci or other driver with vnet_header: + +Primary(ip:3.3.3.3): +-netdev tap,id=3Dhn0,vhost=3Doff,script=3D/etc/qemu-ifup,downscript=3D/etc= /qemu-ifdown +-device e1000,id=3De0,netdev=3Dhn0,mac=3D52:a4:00:12:78:66 +-chardev socket,id=3Dmirror0,host=3D3.3.3.3,port=3D9003,server,nowait +-chardev socket,id=3Dcompare1,host=3D3.3.3.3,port=3D9004,server,nowait +-chardev socket,id=3Dcompare0,host=3D3.3.3.3,port=3D9001,server,nowait +-chardev socket,id=3Dcompare0-0,host=3D3.3.3.3,port=3D9001 +-chardev socket,id=3Dcompare_out,host=3D3.3.3.3,port=3D9005,server,nowait +-chardev socket,id=3Dcompare_out0,host=3D3.3.3.3,port=3D9005 +-object filter-mirror,id=3Dm0,netdev=3Dhn0,queue=3Dtx,outdev=3Dmirror0,vne= t_hdr_support +-object filter-redirector,netdev=3Dhn0,id=3Dredire0,queue=3Drx,indev=3Dcom= pare_out,vnet_hdr_support +-object filter-redirector,netdev=3Dhn0,id=3Dredire1,queue=3Drx,outdev=3Dco= mpare0,vnet_hdr_support +-object colo-compare,id=3Dcomp0,primary_in=3Dcompare0-0,secondary_in=3Dcom= pare1,outdev=3Dcompare_out0,vnet_hdr_support + +Secondary(ip:3.3.3.8): +-netdev tap,id=3Dhn0,vhost=3Doff,script=3D/etc/qemu-ifup,down script=3D/et= c/qemu-ifdown +-device e1000,netdev=3Dhn0,mac=3D52:a4:00:12:78:66 +-chardev socket,id=3Dred0,host=3D3.3.3.3,port=3D9003 +-chardev socket,id=3Dred1,host=3D3.3.3.3,port=3D9004 +-object filter-redirector,id=3Df1,netdev=3Dhn0,queue=3Dtx,indev=3Dred0,vne= t_hdr_support +-object filter-redirector,id=3Df2,netdev=3Dhn0,queue=3Drx,outdev=3Dred1,vn= et_hdr_support +-object filter-rewriter,id=3Df3,netdev=3Dhn0,queue=3Dall,vnet_hdr_support =20 Note: a.COLO-proxy must work with COLO-frame and Block-replication. --=20 2.7.4