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-rw-r--r--include/uapi/linux/if_bridge.h1
-rw-r--r--include/uapi/linux/if_link.h17
2 files changed, 18 insertions, 0 deletions
diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
index e52f8207ab27..21a700c02ef7 100644
--- a/include/uapi/linux/if_bridge.h
+++ b/include/uapi/linux/if_bridge.h
@@ -526,6 +526,7 @@ enum {
BRIDGE_VLANDB_ENTRY_MCAST_N_GROUPS,
BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS,
BRIDGE_VLANDB_ENTRY_NEIGH_SUPPRESS,
+ BRIDGE_VLANDB_ENTRY_NEIGH_FORWARD_GRAT,
__BRIDGE_VLANDB_ENTRY_MAX,
};
#define BRIDGE_VLANDB_ENTRY_MAX (__BRIDGE_VLANDB_ENTRY_MAX - 1)
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 79ce4bc24cba..46413392b402 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -1085,6 +1085,22 @@ enum {
* Note that this option only takes effect when *IFLA_BRPORT_NEIGH_SUPPRESS*
* is enabled for a given port.
*
+ * @IFLA_BRPORT_NEIGH_FORWARD_GRAT
+ * Controls whether gratuitous ARP packets and unsolicited Neighbor
+ * Advertisement packets are forwarded on a given port even when neighbor
+ * suppression is enabled.
+ * By default this flag is off, meaning gratuitous ARP and unsolicited NA
+ * packets will be suppressed when neighbor suppression is enabled.
+ * Setting this flag to on allows these packets to be forwarded even
+ * when *IFLA_BRPORT_NEIGH_SUPPRESS* or *IFLA_BRPORT_NEIGH_VLAN_SUPPRESS*
+ * is enabled.
+ *
+ * Note that this option only takes effect when *IFLA_BRPORT_NEIGH_SUPPRESS*
+ * or *IFLA_BRPORT_NEIGH_VLAN_SUPPRESS* is enabled for a given port.
+ * When *IFLA_BRPORT_NEIGH_VLAN_SUPPRESS* is set, this port-level flag is
+ * ignored and per-VLAN control is available via
+ * *BRIDGE_VLANDB_ENTRY_NEIGH_FORWARD_GRAT*.
+ *
* @IFLA_BRPORT_BACKUP_NHID
* The FDB nexthop object ID to attach to packets being redirected to a
* backup port that has VLAN tunnel mapping enabled (via the
@@ -1137,6 +1153,7 @@ enum {
IFLA_BRPORT_MCAST_MAX_GROUPS,
IFLA_BRPORT_NEIGH_VLAN_SUPPRESS,
IFLA_BRPORT_BACKUP_NHID,
+ IFLA_BRPORT_NEIGH_FORWARD_GRAT,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)