From patchwork Sat Apr 22 08:25:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhanghailiang X-Patchwork-Id: 9694283 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 D6E93601E9 for ; Sat, 22 Apr 2017 08:39:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD3FA2860E for ; Sat, 22 Apr 2017 08:39:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C146E28621; Sat, 22 Apr 2017 08:39:30 +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 56D912860E for ; Sat, 22 Apr 2017 08:39:30 +0000 (UTC) Received: from localhost ([::1]:34737 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1qZl-0002KZ-GB for patchwork-qemu-devel@patchwork.kernel.org; Sat, 22 Apr 2017 04:39:29 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59897) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1qNb-0001t2-RH for qemu-devel@nongnu.org; Sat, 22 Apr 2017 04:26:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d1qNa-0000m4-Sx for qemu-devel@nongnu.org; Sat, 22 Apr 2017 04:26:55 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:3507 helo=dggrg01-dlp.huawei.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1d1qNa-0000jw-9A for qemu-devel@nongnu.org; Sat, 22 Apr 2017 04:26:54 -0400 Received: from 172.30.72.57 (EHLO DGGEML403-HUB.china.huawei.com) ([172.30.72.57]) by dggrg01-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id ANE69254; Sat, 22 Apr 2017 16:26:41 +0800 (CST) Received: from localhost (10.177.24.212) by DGGEML403-HUB.china.huawei.com (10.3.17.33) with Microsoft SMTP Server id 14.3.301.0; Sat, 22 Apr 2017 16:26:32 +0800 From: zhanghailiang To: , Date: Sat, 22 Apr 2017 16:25:56 +0800 Message-ID: <1492849558-17540-17-git-send-email-zhang.zhanghailiang@huawei.com> X-Mailer: git-send-email 2.7.2.windows.1 In-Reply-To: <1492849558-17540-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1492849558-17540-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.24.212] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020204.58FB13C2.0004, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 5db5cb2de09617644d32837130d70b5b X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 45.249.212.187 Subject: [Qemu-devel] [PATCH v2 16/18] filter: Add handle_event method for NetFilterClass 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: lizhijian@cn.fujitsu.com, xiecl.fnst@cn.fujitsu.com, zhanghailiang , zhangchen.fnst@cn.fujitsu.com, quintela@redhat.com, Jason Wang Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Filter needs to process the event of checkpoint/failover or other event passed by COLO frame. Cc: Jason Wang Signed-off-by: zhanghailiang --- include/net/filter.h | 5 +++++ net/filter.c | 16 ++++++++++++++++ net/net.c | 28 ++++++++++++++++++++++++++++ 3 files changed, 49 insertions(+) diff --git a/include/net/filter.h b/include/net/filter.h index 0c4a2ea..df4510d 100644 --- a/include/net/filter.h +++ b/include/net/filter.h @@ -37,6 +37,8 @@ typedef ssize_t (FilterReceiveIOV)(NetFilterState *nc, typedef void (FilterStatusChanged) (NetFilterState *nf, Error **errp); +typedef void (FilterHandleEvent) (NetFilterState *nf, int event, Error **errp); + typedef struct NetFilterClass { ObjectClass parent_class; @@ -44,6 +46,7 @@ typedef struct NetFilterClass { FilterSetup *setup; FilterCleanup *cleanup; FilterStatusChanged *status_changed; + FilterHandleEvent *handle_event; /* mandatory */ FilterReceiveIOV *receive_iov; } NetFilterClass; @@ -76,4 +79,6 @@ ssize_t qemu_netfilter_pass_to_next(NetClientState *sender, int iovcnt, void *opaque); +void colo_notify_filters_event(int event, Error **errp); + #endif /* QEMU_NET_FILTER_H */ diff --git a/net/filter.c b/net/filter.c index 1dfd2ca..993b35e 100644 --- a/net/filter.c +++ b/net/filter.c @@ -17,6 +17,7 @@ #include "net/vhost_net.h" #include "qom/object_interfaces.h" #include "qemu/iov.h" +#include "net/colo.h" static inline bool qemu_can_skip_netfilter(NetFilterState *nf) { @@ -245,11 +246,26 @@ static void netfilter_finalize(Object *obj) g_free(nf->netdev_id); } +static void dummy_handle_event(NetFilterState *nf, int event, Error **errp) +{ + switch (event) { + case COLO_CHECKPOINT: + break; + case COLO_FAILOVER: + object_property_set_str(OBJECT(nf), "off", "status", errp); + break; + default: + break; + } +} + static void netfilter_class_init(ObjectClass *oc, void *data) { UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc); + NetFilterClass *nfc = NETFILTER_CLASS(oc); ucc->complete = netfilter_complete; + nfc->handle_event = dummy_handle_event; } static const TypeInfo netfilter_info = { diff --git a/net/net.c b/net/net.c index 0ac3b9e..1373f63 100644 --- a/net/net.c +++ b/net/net.c @@ -1373,6 +1373,34 @@ void hmp_info_network(Monitor *mon, const QDict *qdict) } } +void colo_notify_filters_event(int event, Error **errp) +{ + NetClientState *nc, *peer; + NetClientDriver type; + NetFilterState *nf; + NetFilterClass *nfc = NULL; + Error *local_err = NULL; + + QTAILQ_FOREACH(nc, &net_clients, next) { + peer = nc->peer; + type = nc->info->type; + if (!peer || type != NET_CLIENT_DRIVER_NIC) { + continue; + } + QTAILQ_FOREACH(nf, &nc->filters, next) { + nfc = NETFILTER_GET_CLASS(OBJECT(nf)); + if (!nfc->handle_event) { + continue; + } + nfc->handle_event(nf, event, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + } + } +} + void qmp_set_link(const char *name, bool up, Error **errp) { NetClientState *ncs[MAX_QUEUE_NUM];