Added filter_same() for comparision of two filters.

Pavel, please implement this as soon as possible.

TODO

@@ -25,8 +25,6 @@ Core
 
 - config: executable config files
 - config: when parsing prefix, check zero bits
-- config: reconfiguration
-- config: reconfiguration of filters
 - config: useless rules when protocols disabled
 - config: remove protocol startup priority hacks?
 - config: better datetime format
@@ -54,7 +52,6 @@ show	<name>			# show everything you know about symbol <name>
 
 Roadmap
 ~~~~~~~
-- Dynamic reconfiguration
 - Allocators and data structures
 - Client
 - Remaining bits of IPv6 support (radvd)

filter/filter.c

@@ -444,3 +444,10 @@ filters_postconfig(void)
     printf( "done\n" );
   }
 } 
+
+int
+filter_same(struct filter *new, struct filter *old)
+{
+  /* FIXME: This has to be defined! */
+  return new == old;
+}

filter/filter.h

@@ -67,6 +67,7 @@ struct rte;
 
 int f_run(struct filter *filter, struct rte **rte, struct ea_list **tmp_attrs, struct linpool *tmp_pool);
 char *filter_name(struct filter *filter);
+int filter_same(struct filter *new, struct filter *old);
 
 int val_compare(struct f_val v1, struct f_val v2);
 void val_print(struct f_val v);

nest/proto.c

@@ -228,8 +228,8 @@ protos_commit(struct config *new, struct config *old, int force_reconfig)
 		  && nc->preference == oc->preference
 		  && nc->disabled == oc->disabled
 		  && nc->table->table == oc->table->table
-		  && nc->in_filter == oc->in_filter
-		  && nc->out_filter == oc->out_filter
+		  && filter_same(nc->in_filter, oc->in_filter)
+		  && filter_same(nc->out_filter, oc->out_filter)
 		  && p->proto_state != PS_DOWN)
 		{
 		  /* Generic attributes match, try converting them and then ask the protocol */