fib: Source Address Selection

[vpp.git] / src / vnet / ip-neighbor / ip6_neighbor.c

diff --git a/src/vnet/ip-neighbor/ip6_neighbor.c b/src/vnet/ip-neighbor/ip6_neighbor.c
index 325db8c..478eca7 100644 (file)
--- a/src/vnet/ip-neighbor/ip6_neighbor.c
+++ b/src/vnet/ip-neighbor/ip6_neighbor.c
@@ -16,20 +16,20 @@
  */
 
 #include <vnet/ip-neighbor/ip6_neighbor.h>
+#include <vnet/util/throttle.h>
+#include <vnet/fib/fib_sas.h>
+
+/** ND throttling */
+static throttle_t nd_throttle;
 
 void
-ip6_neighbor_probe_dst (const ip_adjacency_t * adj, const ip6_address_t * dst)
+ip6_neighbor_probe_dst (u32 sw_if_index, const ip6_address_t * dst)
 {
-  ip_interface_address_t *ia;
-  ip6_address_t *src;
-
-  src = ip6_interface_address_matching_destination
-    (&ip6_main, dst, adj->rewrite_header.sw_if_index, &ia);
-
-  if (!src)
-    return;
+  ip6_address_t src;
 
-  ip6_neighbor_probe (vlib_get_main (), vnet_get_main (), adj, src, dst);
+  if (fib_sas6_get (sw_if_index, dst, &src))
+    ip6_neighbor_probe (vlib_get_main (), vnet_get_main (),
+                       sw_if_index, &src, dst);
 }
 
 void
@@ -121,7 +121,6 @@ ip6_discover_neighbor_inline (vlib_main_t * vm,
                              vlib_frame_t * frame, int is_glean)
 {
   vnet_main_t *vnm = vnet_get_main ();
-  ip6_main_t *im = &ip6_main;
   u32 *from, *to_next_drop;
   uword n_left_from, n_left_to_next_drop;
   u64 seed;
@@ -130,7 +129,7 @@ ip6_discover_neighbor_inline (vlib_main_t * vm,
   if (node->flags & VLIB_NODE_FLAG_TRACE)
     ip6_forward_next_trace (vm, node, frame, VLIB_TX);
 
-  seed = throttle_seed (&im->nd_throttle, thread_index, vlib_time_now (vm));
+  seed = throttle_seed (&nd_throttle, thread_index, vlib_time_now (vm));
 
   from = vlib_frame_vector_args (frame);
   n_left_from = frame->n_vectors;
@@ -173,7 +172,7 @@ ip6_discover_neighbor_inline (vlib_main_t * vm,
          /* combine the address and interface for a hash */
          r0 = ip6_address_hash_to_u64 (&ip0->dst_address) ^ sw_if_index0;
 
-         drop0 = throttle_check (&im->nd_throttle, thread_index, r0, seed);
+         drop0 = throttle_check (&nd_throttle, thread_index, r0, seed);
 
          from += 1;
          n_left_from -= 1;
@@ -207,15 +206,15 @@ ip6_discover_neighbor_inline (vlib_main_t * vm,
           * Choose source address based on destination lookup
           * adjacency.
           */
-         if (!ip6_src_address_for_packet (sw_if_index0,
-                                          &ip0->dst_address, &src))
+         if (!fib_sas6_get (sw_if_index0, &ip0->dst_address, &src))
            {
              /* There is no address on the interface */
              p0->error = node->errors[IP6_NBR_ERROR_NO_SOURCE_ADDRESS];
              continue;
            }
 
-         b0 = ip6_neighbor_probe (vm, vnm, adj0, &src, &ip0->dst_address);
+         b0 = ip6_neighbor_probe (vm, vnm, sw_if_index0,
+                                  &src, &ip0->dst_address);
 
          if (PREDICT_TRUE (NULL != b0))
            {
@@ -329,6 +328,18 @@ ip6_neighbor_init (vlib_main_t * vm)
 
 VLIB_INIT_FUNCTION (ip6_neighbor_init);
 
+static clib_error_t *
+ip6_nd_main_loop_enter (vlib_main_t * vm)
+{
+  vlib_thread_main_t *tm = &vlib_thread_main;
+
+  throttle_init (&nd_throttle, tm->n_vlib_mains, 1e-3);
+
+  return 0;
+}
+
+VLIB_MAIN_LOOP_ENTER_FUNCTION (ip6_nd_main_loop_enter);
+
 /*
  * fd.io coding-style-patch-verification: ON
  *