Out-of-tree Build Error fix

[vpp.git] / src / vnet / ip / ip6_forward.c

diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c
index ae5c19b..c15683e 100644 (file)
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -42,6 +42,7 @@
 #include <vnet/ethernet/ethernet.h>    /* for ethernet_header_t */
 #include <vnet/srp/srp.h>      /* for srp_hw_interface_class */
 #include <vppinfra/cache.h>
+#include <vnet/fib/fib_urpf_list.h>    /* for FIB uRPF check */
 #include <vnet/fib/ip6_fib.h>
 #include <vnet/mfib/ip6_mfib.h>
 #include <vnet/dpo/load_balance.h>
@@ -1316,6 +1317,25 @@ ip6_locate_header (vlib_buffer_t * p0,
   return (next_proto);
 }
 
+/**
+ * @brief returns number of links on which src is reachable.
+ */
+always_inline int
+ip6_urpf_loose_check (ip6_main_t * im, vlib_buffer_t * b, ip6_header_t * i)
+{
+  const load_balance_t *lb0;
+  index_t lbi;
+
+  lbi = ip6_fib_table_fwding_lookup_with_if_index (im,
+                                                  vnet_buffer
+                                                  (b)->sw_if_index[VLIB_RX],
+                                                  &i->src_address);
+
+  lb0 = load_balance_get (lbi);
+
+  return (fib_urpf_check_size (lb0->lb_urpf));
+}
+
 static uword
 ip6_local (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
 {