From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37189) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a1AOt-0000sg-S1 for qemu-devel@nongnu.org; Tue, 24 Nov 2015 05:00:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a1AOs-0008Ua-LF for qemu-devel@nongnu.org; Tue, 24 Nov 2015 05:00:39 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:26768) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a1AOr-0008Ie-M8 for qemu-devel@nongnu.org; Tue, 24 Nov 2015 05:00:38 -0500 From: zhanghailiang Date: Tue, 24 Nov 2015 17:25:47 +0800 Message-ID: <1448357149-17572-38-git-send-email-zhang.zhanghailiang@huawei.com> In-Reply-To: <1448357149-17572-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1448357149-17572-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH COLO-Frame v11 37/39] filter-buffer: Introduce a helper function to release packets List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: lizhijian@cn.fujitsu.com, quintela@redhat.com, Jason Wang , yunhong.jiang@intel.com, eddie.dong@intel.com, peter.huangpeng@huawei.com, dgilbert@redhat.com, zhanghailiang , arei.gonglei@huawei.com, stefanha@redhat.com, amit.shah@redhat.com, hongyang.yang@easystack.cn We need to release all the packets from VM in COLO or Micro-checkpoint, here we add a new helper function to realse the packets that buffered by default buffer-filter Signed-off-by: zhanghailiang Cc: Jason Wang Cc: Yang Hongyang --- v11: - New patch --- include/net/filter.h | 1 + net/filter-buffer.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/include/net/filter.h b/include/net/filter.h index b57b29a..e1e8d9b 100644 --- a/include/net/filter.h +++ b/include/net/filter.h @@ -77,5 +77,6 @@ ssize_t qemu_netfilter_pass_to_next(NetClientState *sender, void netdev_add_default_filter_buffer(const char *netdev_id, NetFilterDirection direction, Error **errp); +void qemu_release_default_filters_packets(void); void qemu_set_default_filter_buffers(bool enable_buffer); #endif /* QEMU_NET_FILTER_H */ diff --git a/net/filter-buffer.c b/net/filter-buffer.c index 7115a2b..06f2190 100644 --- a/net/filter-buffer.c +++ b/net/filter-buffer.c @@ -167,6 +167,25 @@ out: error_propagate(errp, local_err); } +static void default_filter_release_packets(NetFilterState *nf, + void *opaque, + Error **errp) +{ + if (!strcmp(object_get_typename(OBJECT(nf)), TYPE_FILTER_BUFFER)) { + FilterBufferState *s = FILTER_BUFFER(nf); + + if (s->is_default) { + filter_buffer_flush(nf); + } + } +} + +/* public APIs */ +void qemu_release_default_filters_packets(void) +{ + qemu_foreach_netfilter(default_filter_release_packets, NULL, NULL); +} + static void default_filter_set_buffer_flag(NetFilterState *nf, void *opaque, Error **errp) -- 1.8.3.1