Simpler install filter (don't match ifindex).

configuration.c

@@ -1096,12 +1096,11 @@ redistribute_filter(const unsigned char *prefix, unsigned short plen,
 int
 install_filter(const unsigned char *prefix, unsigned short plen,
                const unsigned char *src_prefix, unsigned short src_plen,
-               unsigned int ifindex,
                struct filter_result *result)
 {
     int res;
     res = do_filter(install_filters, NULL, prefix, plen,
-                    src_prefix, src_plen, NULL, ifindex, 0, result);
+                    src_prefix, src_plen, NULL, 0, 0, result);
     if(res < 0)
         res = INFINITY;
     return res;

configuration.h

@@ -64,5 +64,5 @@ int redistribute_filter(const unsigned char *prefix, unsigned short plen,
                     struct filter_result *result);
 int install_filter(const unsigned char *prefix, unsigned short plen,
                    const unsigned char *src_prefix, unsigned short src_plen,
-                   unsigned int ifindex, struct filter_result *result);
+                   struct filter_result *result);
 int finalise_config(void);

kernel_netlink.c

@@ -963,7 +963,7 @@ kernel_route(int operation, const unsigned char *dest, unsigned short plen,
 
     ipv4 = v4mapped(gate);
 
-    install_filter(dest, plen, src, src_plen, ifindex, &filter_result);
+    install_filter(dest, plen, src, src_plen, &filter_result);
     if(filter_result.table) {
         table = filter_result.table;
     } else if(src_plen == 0) {