Support reassembly for fragments coming to ip4-local node

[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 343d348..00af282 100644 (file)
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -529,7 +529,7 @@ ip6_load_balance (vlib_main_t * vm,
   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);
@@ -1389,6 +1389,7 @@ VLIB_REGISTER_NODE (ip6_local_node, static) =
     [IP_LOCAL_NEXT_PUNT] = "ip6-punt",
     [IP_LOCAL_NEXT_UDP_LOOKUP] = "ip6-udp-lookup",
     [IP_LOCAL_NEXT_ICMP] = "ip6-icmp-input",
+    [IP_LOCAL_NEXT_REASSEMBLY] = "ip6-reassembly",
   },
 };
 /* *INDENT-ON* */
@@ -1566,9 +1567,10 @@ ip6_mtu_check (vlib_buffer_t * b, u16 packet_bytes,
       if (is_locally_generated)
        {
          /* IP fragmentation */
-         ip_frag_set_vnet_buffer (b, 0, adj_packet_bytes,
-                                  IP6_FRAG_NEXT_IP6_LOOKUP, 0);
+         ip_frag_set_vnet_buffer (b, adj_packet_bytes,
+                                  IP6_FRAG_NEXT_IP6_REWRITE, 0);
          *next = IP6_REWRITE_NEXT_FRAGMENT;
+         *error = IP6_ERROR_MTU_EXCEEDED;
        }
       else
        {
@@ -1594,7 +1596,7 @@ 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)
     {
@@ -1943,6 +1945,16 @@ 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)
@@ -1982,11 +1994,9 @@ 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,
@@ -2001,11 +2011,19 @@ 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_bcast,
+  .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,
@@ -2014,11 +2032,9 @@ 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,
@@ -2027,9 +2043,9 @@ 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