openvswitch: Add meter action support

Implements OVS kernel meter action support.

Signed-off-by: Andy Zhou <azhou@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
index d60b9a4cf3d1..4265d7f9e1f2 100644
--- a/include/uapi/linux/openvswitch.h
+++ b/include/uapi/linux/openvswitch.h
@@ -838,6 +838,8 @@ struct ovs_action_push_eth {
  * @OVS_ACTION_ATTR_CT_CLEAR: Clear conntrack state from the packet.
  * @OVS_ACTION_ATTR_PUSH_NSH: push NSH header to the packet.
  * @OVS_ACTION_ATTR_POP_NSH: pop the outermost NSH header off the packet.
+ * @OVS_ACTION_ATTR_METER: Run packet through a meter, which may drop the
+ * packet, or modify the packet (e.g., change the DSCP field).
  *
  * Only a single header can be set with a single %OVS_ACTION_ATTR_SET.  Not all
  * fields within a header are modifiable, e.g. the IPv4 protocol and fragment
@@ -870,6 +872,7 @@ enum ovs_action_attr {
         OVS_ACTION_ATTR_CT_CLEAR,     /* No argument. */
         OVS_ACTION_ATTR_PUSH_NSH,     /* Nested OVS_NSH_KEY_ATTR_*. */
         OVS_ACTION_ATTR_POP_NSH,      /* No argument. */
+        OVS_ACTION_ATTR_METER,        /* u32 meter ID. */
 
         __OVS_ACTION_ATTR_MAX,        /* Nothing past this will be accepted
                                        * from userspace. */