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[Qemu-devel] [PATCH COLO-Frame v14 32/40] net/filter: Introduce a helper
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH COLO-Frame v14 32/40] net/filter: Introduce a helper to add a filter to the netdev |
Date: |
Sat, 6 Feb 2016 17:28:44 +0800 |
We add a new helper function netdev_add_filter(),
this function can help adding a filter object to a netdev.
Signed-off-by: zhanghailiang <address@hidden>
Cc: Jason Wang <address@hidden>
Cc: Yang Hongyang <address@hidden>
---
include/net/filter.h | 7 +++++++
net/filter.c | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 41 insertions(+)
diff --git a/include/net/filter.h b/include/net/filter.h
index af3c53c..0159080 100644
--- a/include/net/filter.h
+++ b/include/net/filter.h
@@ -55,6 +55,7 @@ struct NetFilterState {
char *netdev_id;
NetClientState *netdev;
NetFilterDirection direction;
+ bool is_default;
bool enabled;
QTAILQ_ENTRY(NetFilterState) next;
};
@@ -74,4 +75,10 @@ ssize_t qemu_netfilter_pass_to_next(NetClientState *sender,
int iovcnt,
void *opaque);
+NetFilterState *netdev_add_filter(const char *netdev_id,
+ const char *filter_type,
+ const char *filter_id,
+ bool enabled,
+ Error **errp);
+
#endif /* QEMU_NET_FILTER_H */
diff --git a/net/filter.c b/net/filter.c
index 5551cf1..dbe9399 100644
--- a/net/filter.c
+++ b/net/filter.c
@@ -177,6 +177,7 @@ static void netfilter_init(Object *obj)
* for netfilter will be enabled.
*/
nf->enabled = true;
+ nf->is_default = false;
object_property_add_str(obj, "netdev",
netfilter_get_netdev_id, netfilter_set_netdev_id,
@@ -232,6 +233,39 @@ static void netfilter_complete(UserCreatable *uc, Error
**errp)
QTAILQ_INSERT_TAIL(&nf->netdev->filters, nf, next);
}
+NetFilterState *netdev_add_filter(const char *netdev_id,
+ const char *filter_type,
+ const char *filter_id,
+ bool enabled,
+ Error **errp)
+{
+ NetClientState *nc = qemu_find_netdev(netdev_id);
+ Object *filter;
+ Error *local_err = NULL;
+
+ /* FIXME: Not support multiple queues */
+ if (!nc || nc->queue_index > 1) {
+ return NULL;
+ }
+ /* Not support vhost-net */
+ if (get_vhost_net(nc)) {
+ return NULL;
+ }
+
+ filter = object_new_with_props(filter_type,
+ object_get_objects_root(),
+ filter_id,
+ &local_err,
+ "netdev", netdev_id,
+ "status", enabled ? "enable" : "disable",
+ NULL);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return NULL;
+ }
+ return NETFILTER(filter);
+}
+
static void netfilter_finalize(Object *obj)
{
NetFilterState *nf = NETFILTER(obj);
--
1.8.3.1
- [Qemu-devel] [PATCH COLO-Frame v14 31/40] net/filter: Add a 'status' property for filter object, (continued)
[Qemu-devel] [PATCH COLO-Frame v14 38/40] filter-buffer: make filter_buffer_flush() public, zhanghailiang, 2016/02/06
[Qemu-devel] [PATCH COLO-Frame v14 35/40] COLO/filter: add each netdev a buffer filter, zhanghailiang, 2016/02/06
[Qemu-devel] [PATCH COLO-Frame v14 34/40] net: Add notifier/callback for netdev init, zhanghailiang, 2016/02/06
[Qemu-devel] [PATCH COLO-Frame v14 32/40] net/filter: Introduce a helper to add a filter to the netdev,
zhanghailiang <=
[Qemu-devel] [PATCH COLO-Frame v14 36/40] net/filter: Add a helper to traverse all the filters, zhanghailiang, 2016/02/06
[Qemu-devel] [PATCH COLO-Frame v14 40/40] COLO: Add block replication into colo process, zhanghailiang, 2016/02/06