IP directed broadcast

[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 f7946b0..888b526 100644 (file)
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -522,14 +522,14 @@ VLIB_REGISTER_NODE (ip6_lookup_node) =
 
 VLIB_NODE_FUNCTION_MULTIARCH (ip6_lookup_node, ip6_lookup);
 
-always_inline uword
+static uword
 ip6_load_balance (vlib_main_t * vm,
                  vlib_node_runtime_t * node, vlib_frame_t * frame)
 {
   vlib_combined_counter_main_t *cm = &load_balance_main.lbm_via_counters;
   u32 n_left_from, n_left_to_next, *from, *to_next;
   ip_lookup_next_t next;
-  u32 thread_index = vlib_get_thread_index ();
+  u32 thread_index = vm->thread_index;
   ip6_main_t *im = &ip6_main;
 
   from = vlib_frame_vector_args (frame);
@@ -1435,7 +1435,8 @@ ip6_register_protocol (u32 protocol, u32 node_index)
 }
 
 clib_error_t *
-ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst, u32 sw_if_index)
+ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst, u32 sw_if_index,
+                   u8 refresh)
 {
   vnet_main_t *vnm = vnet_get_main ();
   ip6_main_t *im = &ip6_main;
@@ -1475,6 +1476,8 @@ ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst, u32 sw_if_index)
     vlib_packet_template_get_packet (vm,
                                     &im->discover_neighbor_packet_template,
                                     &bi);
+  if (!h)
+    return clib_error_return (0, "ICMP6 NS packet allocation failed");
 
   hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
 
@@ -1516,7 +1519,7 @@ ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst, u32 sw_if_index)
   adj = adj_get (ai);
 
   /* Peer has been previously resolved, retrieve glean adj instead */
-  if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE)
+  if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE && refresh == 0)
     {
       adj_unlock (ai);
       ai = adj_glean_add_or_lock (FIB_PROTOCOL_IP6,
@@ -1591,7 +1594,7 @@ ip6_rewrite_inline (vlib_main_t * vm,
 
   n_left_from = frame->n_vectors;
   next_index = node->cached_next_index;
-  u32 thread_index = vlib_get_thread_index ();
+  u32 thread_index = vm->thread_index;
 
   while (n_left_from > 0)
     {
@@ -1940,6 +1943,16 @@ ip6_rewrite (vlib_main_t * vm,
     return ip6_rewrite_inline (vm, node, frame, 0, 0, 0);
 }
 
+static uword
+ip6_rewrite_bcast (vlib_main_t * vm,
+                  vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+  if (adj_are_counters_enabled ())
+    return ip6_rewrite_inline (vm, node, frame, 1, 0, 0);
+  else
+    return ip6_rewrite_inline (vm, node, frame, 0, 0, 0);
+}
+
 static uword
 ip6_rewrite_mcast (vlib_main_t * vm,
                   vlib_node_runtime_t * node, vlib_frame_t * frame)
@@ -1979,11 +1992,9 @@ VLIB_REGISTER_NODE (ip6_midchain_node) =
   .format_trace = format_ip6_forward_next_trace,
   .sibling_of = "ip6-rewrite",
   };
-/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (ip6_midchain_node, ip6_midchain);
 
-/* *INDENT-OFF* */
 VLIB_REGISTER_NODE (ip6_rewrite_node) =
 {
   .function = ip6_rewrite,
@@ -1998,11 +2009,19 @@ VLIB_REGISTER_NODE (ip6_rewrite_node) =
     [IP6_REWRITE_NEXT_FRAGMENT] = "ip6-frag",
   },
 };
-/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (ip6_rewrite_node, ip6_rewrite);
 
-/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip6_rewrite_bcast_node) = {
+  .function = ip6_rewrite,
+  .name = "ip6-rewrite-bcast",
+  .vector_size = sizeof (u32),
+
+  .format_trace = format_ip6_rewrite_trace,
+  .sibling_of = "ip6-rewrite",
+};
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_rewrite_bcast_node, ip6_rewrite_bcast)
+
 VLIB_REGISTER_NODE (ip6_rewrite_mcast_node) =
 {
   .function = ip6_rewrite_mcast,
@@ -2011,11 +2030,9 @@ VLIB_REGISTER_NODE (ip6_rewrite_mcast_node) =
   .format_trace = format_ip6_rewrite_trace,
   .sibling_of = "ip6-rewrite",
 };
-/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (ip6_rewrite_mcast_node, ip6_rewrite_mcast);
 
-/* *INDENT-OFF* */
 VLIB_REGISTER_NODE (ip6_mcast_midchain_node, static) =
 {
   .function = ip6_mcast_midchain,
@@ -2024,9 +2041,9 @@ VLIB_REGISTER_NODE (ip6_mcast_midchain_node, static) =
   .format_trace = format_ip6_rewrite_trace,
   .sibling_of = "ip6-rewrite",
 };
-/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (ip6_mcast_midchain_node, ip6_mcast_midchain);
+/* *INDENT-ON* */
 
 /*
  * Hop-by-Hop handling