diff options
Diffstat (limited to 'src/vnet/fib/fib_table.c')
| -rw-r--r-- | src/vnet/fib/fib_table.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/vnet/fib/fib_table.c b/src/vnet/fib/fib_table.c index d0bc33639b9..c37ac1dbd49 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); + } } } |