4 files changed, 32 insertions, 13 deletions

diff --git a/nest/config.Y b/nest/config.Y
index 5a895051..7bb05259 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -181,8 +181,8 @@ iface_patt_node_init:
 
 iface_patt_node_body:
    TEXT { this_ipn->pattern = $1; this_ipn->prefix = IPA_NONE; this_ipn->pxlen = 0; }
- | prefix { this_ipn->pattern = NULL; this_ipn->prefix = $1.addr; this_ipn->pxlen = $1.len; }
- | TEXT prefix { this_ipn->pattern = $1; this_ipn->prefix = $2.addr; this_ipn->pxlen = $2.len; }
+ | prefix_or_ipa { this_ipn->pattern = NULL; this_ipn->prefix = $1.addr; this_ipn->pxlen = $1.len; }
+ | TEXT prefix_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2.addr; this_ipn->pxlen = $2.len; }
  ;
 
 iface_negate:
@@ -472,7 +472,7 @@ CF_CLI(RELOAD OUT, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protoc
 { proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_OUT); } ;
 
 CF_CLI_HELP(DEBUG, ..., [[Control protocol debugging via BIRD logs]])
-CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | <pattern> | all) (all | off | { states | routes | filters | events | packets }), [[Control protocol debugging via BIRD logs]])
+CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | <pattern> | all) (all | off | { states | routes | filters | interfaces | events | packets }), [[Control protocol debugging via BIRD logs]])
 { proto_apply_cmd($2, proto_cmd_debug, 1, $3); } ;
 
 CF_CLI_HELP(MRTDUMP, ..., [[Control protocol debugging via MRTdump files]])
diff --git a/nest/iface.c b/nest/iface.c
index 82dead35..4d0cf04c 100644
--- a/nest/iface.c
+++ b/nest/iface.c
@@ -566,8 +566,8 @@ if_init(void)
  *	Interface Pattern Lists
  */
 
-static int
-iface_patt_match(struct iface_patt *ifp, struct iface *i)
+int
+iface_patt_match(struct iface_patt *ifp, struct iface *i, struct ifa *a)
 {
   struct iface_patt_node *p;
 
@@ -588,23 +588,32 @@ iface_patt_match(struct iface_patt *ifp, struct iface *i)
 	    continue;
 	}
 
-      if (p->pxlen)
-	if (!i->addr || !ipa_in_net(i->addr->ip, p->prefix, p->pxlen))
-	  continue;
+      if (p->pxlen == 0)
+	return pos;
+
+      if (!a)
+	continue;
+
+      if (ipa_in_net(a->ip, p->prefix, p->pxlen))
+	return pos;
 
-      return pos;
+      if ((a->flags & IA_UNNUMBERED) &&
+	  ipa_in_net(a->opposite, p->prefix, p->pxlen))
+	return pos;
+	  
+      continue;
     }
 
   return 0;
 }
 
 struct iface_patt *
-iface_patt_find(list *l, struct iface *i)
+iface_patt_find(list *l, struct iface *i, struct ifa *a)
 {
   struct iface_patt *p;
 
   WALK_LIST(p, *l)
-    if (iface_patt_match(p, i))
+    if (iface_patt_match(p, i, a))
       return p;
 
   return NULL;
diff --git a/nest/iface.h b/nest/iface.h
index 8fc2567d..c116db8b 100644
--- a/nest/iface.h
+++ b/nest/iface.h
@@ -83,6 +83,15 @@ struct iface *if_find_by_index(unsigned);
 struct iface *if_find_by_name(char *);
 void ifa_recalc_all_primary_addresses(void);
 
+static inline int
+ifa_match_addr(struct ifa *ifa, ip_addr addr)
+{
+  if (ifa->flags & IA_UNNUMBERED)
+    return ipa_equal(addr, ifa->opposite);
+  else
+    return ipa_in_net(addr, ifa->prefix, ifa->pxlen);
+}
+
 /* The Neighbor Cache */
 
 typedef struct neighbor {
@@ -135,7 +144,8 @@ struct iface_patt {
   /* Protocol-specific data follow after this structure */
 };
 
-struct iface_patt *iface_patt_find(list *, struct iface *);
+int iface_patt_match(struct iface_patt *ifp, struct iface *i, struct ifa *a);
+struct iface_patt *iface_patt_find(list *l, struct iface *i, struct ifa *a);
 int iface_patts_equal(list *, list *, int (*)(struct iface_patt *, struct iface_patt *));
 
 #endif
diff --git a/nest/rt-dev.c b/nest/rt-dev.c
index bb8eb8ee..239bd268 100644
--- a/nest/rt-dev.c
+++ b/nest/rt-dev.c
@@ -30,7 +30,7 @@ dev_ifa_notify(struct proto *p, unsigned c, struct ifa *ad)
   struct rt_dev_config *P = (void *) p->cf;
 
   if (!EMPTY_LIST(P->iface_list) &&
-      !iface_patt_find(&P->iface_list, ad->iface))
+      !iface_patt_find(&P->iface_list, ad->iface, ad->iface->addr))
     /* Empty list is automagically treated as "*" */
     return;