datapath:backport: openvswitch: Add packet truncation support.

[mirror_ovs.git] / datapath / linux / compat / include / linux / openvswitch.h

diff --git a/datapath/linux/compat/include/linux/openvswitch.h b/datapath/linux/compat/include/linux/openvswitch.h
index 3b39ebbc3d6a94bba377304cacf2fa1f5f8e6f8a..b92d9ed9ef528f736e0de1ed8e6c906b882c8412 100644 (file)
--- a/datapath/linux/compat/include/linux/openvswitch.h
+++ b/datapath/linux/compat/include/linux/openvswitch.h
@@ -600,6 +600,10 @@ enum ovs_userspace_attr {
 
 #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
 
+struct ovs_action_trunc {
+       uint32_t max_len; /* Max packet size in bytes. */
+};
+
 /**
  * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument.
  * @mpls_lse: MPLS label stack entry to push.
@@ -742,6 +746,7 @@ enum ovs_nat_attr {
  * enum ovs_action_attr - Action types.
  *
  * @OVS_ACTION_ATTR_OUTPUT: Output packet to port.
+ * @OVS_ACTION_ATTR_TRUNC: Output packet to port with truncated packet size.
  * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested
  * %OVS_USERSPACE_ATTR_* attributes.
  * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q header onto the
@@ -802,6 +807,7 @@ enum ovs_action_attr {
                                       * The data must be zero for the unmasked
                                       * bits. */
        OVS_ACTION_ATTR_CT,           /* Nested OVS_CT_ATTR_* . */
+       OVS_ACTION_ATTR_TRUNC,        /* u32 struct ovs_action_trunc. */
 
 #ifndef __KERNEL__
        OVS_ACTION_ATTR_TUNNEL_PUSH,   /* struct ovs_action_push_tnl*/