X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_table.c;h=69746d969120e062ddf4834be5ea436c2b6b9919;hb=28c142e3;hp=d0bc33639b982bdb11e6a314ab0069d10857a47a;hpb=25b049484fcf9161edb2c19250066b893c38c264;p=vpp.git

diff --git a/src/vnet/fib/fib_table.c b/src/vnet/fib/fib_table.c
index d0bc33639b9..69746d96912 100644
--- a/src/vnet/fib/fib_table.c
+++ b/src/vnet/fib/fib_table.c
@@ -197,10 +197,18 @@ fib_table_post_insert_actions (fib_table_t *fib_table,
 
         /*
          * inform the covering entry that a new more specific
-         * has been inserted beneath it
+         * has been inserted beneath it.
+         * If the prefix that has been inserted is a host route
+         * then it is not possible that it will be the cover for any
+         * other entry, so we can elide the walk. This is particularly
+         * beneficial since there are often many host entries sharing the
+         * same cover (i.e. ADJ or RR sourced entries).
          */
-	fib_entry_cover_change_notify(fib_entry_cover_index,
-				      fib_entry_index);
+        if (!fib_entry_is_host(fib_entry_index))
+        {
+            fib_entry_cover_change_notify(fib_entry_cover_index,
+                                          fib_entry_index);
+        }
     }
 }
 
@@ -869,12 +877,20 @@ void
 fib_table_entry_delete_index (fib_node_index_t fib_entry_index,
 			      fib_source_t source)
 {
-    fib_prefix_t prefix;
+    const fib_prefix_t *prefix;
 
-    fib_entry_get_prefix(fib_entry_index, &prefix);
+    prefix = fib_entry_get_prefix(fib_entry_index);
 
     fib_table_entry_delete_i(fib_entry_get_fib_index(fib_entry_index),
-                             fib_entry_index, &prefix, source);
+                             fib_entry_index, prefix, source);
+}
+
+u32
+fib_table_entry_get_stats_index (u32 fib_index,
+                                 const fib_prefix_t *prefix)
+{
+    return (fib_entry_get_stats_index(
+                fib_table_lookup_exact_match(fib_index, prefix)));
 }
 
 fib_node_index_t
@@ -1253,6 +1269,9 @@ fib_table_lock (u32 fib_index,
     fib_table_t *fib_table;
 
     fib_table = fib_table_get(fib_index, proto);
+
+    ASSERT(fib_table->ft_locks[source] < (0xffff - 1));
+
     fib_table->ft_locks[source]++;
     fib_table->ft_locks[FIB_TABLE_TOTAL_LOCKS]++;
 }