From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45803) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aDoRi-0006QS-5V for qemu-devel@nongnu.org; Tue, 29 Dec 2015 02:11:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aDoRe-00078E-Vm for qemu-devel@nongnu.org; Tue, 29 Dec 2015 02:11:50 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:14895) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aDoRe-00077W-BT for qemu-devel@nongnu.org; Tue, 29 Dec 2015 02:11:46 -0500 From: zhanghailiang Date: Tue, 29 Dec 2015 15:09:33 +0800 Message-ID: <1451372975-5048-38-git-send-email-zhang.zhanghailiang@huawei.com> In-Reply-To: <1451372975-5048-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1451372975-5048-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH COLO-Frame v13 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: xiecl.fnst@cn.fujitsu.com, 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, zhangchen.fnst@cn.fujitsu.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 --- v12: - Rename this helper function v11: - New patch --- include/net/filter.h | 1 + net/filter-buffer.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/include/net/filter.h b/include/net/filter.h index 08aa604..52cb38b 100644 --- a/include/net/filter.h +++ b/include/net/filter.h @@ -84,5 +84,6 @@ static inline bool qemu_need_skip_netfilter(NetFilterState *nf) 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_filters_status(bool enable); #endif /* QEMU_NET_FILTER_H */ diff --git a/net/filter-buffer.c b/net/filter-buffer.c index 90a50cc..d53b251 100644 --- a/net/filter-buffer.c +++ b/net/filter-buffer.c @@ -169,6 +169,24 @@ out: error_propagate(errp, local_err); } +static void release_default_filter_packets(NetFilterState *nf, + void *opaque, + Error **errp) +{ + if (!strcmp(object_get_typename(OBJECT(nf)), TYPE_FILTER_BUFFER)) { + + if (nf->is_default) { + filter_buffer_flush(nf); + } + } +} + +/* public APIs */ +void qemu_release_default_filters_packets(void) +{ + qemu_foreach_netfilter(release_default_filter_packets, NULL, NULL); +} + static void set_default_filter_status(NetFilterState *nf, void *opaque, Error **errp) -- 1.8.3.1