netdev-offload: Introduce a function to validate same flow api handle.

Signed-off-by: Eli Britstein <elibr@mellanox.com> Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
openvswitch · Jan 16, 2020 · 65c73b3 · 65c73b3
1 parent 2f7f928
commit 65c73b3
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diff --git a/lib/netdev-offload-provider.h b/lib/netdev-offload-provider.h
@@ -89,6 +89,7 @@ struct netdev_flow_api {
 
 int netdev_register_flow_api_provider(const struct netdev_flow_api *);
 int netdev_unregister_flow_api_provider(const char *type);
+bool netdev_flow_api_equals(const struct netdev *, const struct netdev *);
 
 #ifdef __linux__
 extern const struct netdev_flow_api netdev_offload_tc;

diff --git a/lib/netdev-offload.c b/lib/netdev-offload.c
@@ -156,6 +156,18 @@ netdev_unregister_flow_api_provider(const char *type)
     return error;
 }
 
+bool
+netdev_flow_api_equals(const struct netdev *netdev1,
+                       const struct netdev *netdev2)
+{
+    const struct netdev_flow_api *netdev_flow_api1 =
+        ovsrcu_get(const struct netdev_flow_api *, &netdev1->flow_api);
+    const struct netdev_flow_api *netdev_flow_api2 =
+        ovsrcu_get(const struct netdev_flow_api *, &netdev2->flow_api);
+
+    return netdev_flow_api1 == netdev_flow_api2;
+}
+
 static int
 netdev_assign_flow_api(struct netdev *netdev)
 {