urpf: Unicast reverse Path Forwarding (plugin)

[vpp.git] / src / vnet / ip / ip4_packet.h

diff --git a/src/vnet/ip/ip4_packet.h b/src/vnet/ip/ip4_packet.h
index 3872ccd..362805c 100644 (file)
--- a/src/vnet/ip/ip4_packet.h
+++ b/src/vnet/ip/ip4_packet.h
@@ -384,6 +384,12 @@ ip4_address_is_multicast (const ip4_address_t * a)
   return (a->data[0] & 0xf0) == 0xe0;
 }
 
+always_inline uword
+ip4_address_is_global_broadcast (const ip4_address_t * a)
+{
+  return (a->as_u32) == 0xffffffff;
+}
+
 always_inline void
 ip4_multicast_address_set_for_group (ip4_address_t * a,
                                     ip_multicast_group_t g)