Merge from Master

[l2tpns.git] / bgp.c

diff --git a/bgp.c b/bgp.c
index 04ff767..c44f05d 100644 (file)
--- a/bgp.c
+++ b/bgp.c
@@ -10,8 +10,6 @@
  *   nor RFC2385 (which requires a kernel patch on 2.4 kernels).
  */
 
-char const *cvs_id_bgp = "$Id: bgp.c,v 1.12 2005/09/02 23:39:36 bodea Exp $";
-
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
@@ -22,14 +20,15 @@ char const *cvs_id_bgp = "$Id: bgp.c,v 1.12 2005/09/02 23:39:36 bodea Exp $";
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <fcntl.h>
+#include <linux/rtnetlink.h>
 
+#include "dhcp6.h"
 #include "l2tpns.h"
 #include "bgp.h"
 #include "util.h"
 
 static void bgp_clear(struct bgp_peer *peer);
 static void bgp_set_retry(struct bgp_peer *peer);
-static void bgp_cidr(in_addr_t ip, in_addr_t mask, struct bgp_ip_prefix *pfx);
 static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head,
     struct bgp_route_list *new);
 static struct bgp_route6_list *bgp_insert_route6(struct bgp_route6_list *head,
@@ -394,26 +393,6 @@ static void bgp_set_retry(struct bgp_peer *peer)
        bgp_halt(peer); /* give up */
 }
 
-/* convert ip/mask to CIDR notation */
-static void bgp_cidr(in_addr_t ip, in_addr_t mask, struct bgp_ip_prefix *pfx)
-{
-    int i;
-    uint32_t b;
-
-    /* convert to prefix notation */
-    pfx->len = 32;
-    pfx->prefix = ip;
-
-    if (!mask) /* bogus */
-       mask = 0xffffffff;
-
-    for (i = 0; i < 32 && ((b = ntohl(1 << i)), !(mask & b)); i++)
-    {
-       pfx->len--;
-       pfx->prefix &= ~b;
-    }
-}
-
 /* insert route into list; sorted */
 static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head,
     struct bgp_route_list *new)
@@ -475,13 +454,14 @@ static struct bgp_route6_list *bgp_insert_route6(struct bgp_route6_list *head,
  * that if that route is later deleted we don't have to be concerned
  * about adding back the more specific one).
  */
-int bgp_add_route(in_addr_t ip, in_addr_t mask)
+int bgp_add_route(in_addr_t ip, int prefixlen)
 {
     struct bgp_route_list *r = bgp_routes;
     struct bgp_route_list add;
     int i;
 
-    bgp_cidr(ip, mask, &add.dest);
+    add.dest.prefix = ip;
+    add.dest.len = prefixlen;
     add.next = 0;
 
     /* check for duplicate */
@@ -574,14 +554,15 @@ int bgp_add_route6(struct in6_addr ip, int prefixlen)
 }
 
 /* remove route from list for peers */
-int bgp_del_route(in_addr_t ip, in_addr_t mask)
+int bgp_del_route(in_addr_t ip, int prefixlen)
 {
     struct bgp_route_list *r = bgp_routes;
     struct bgp_route_list *e = 0;
     struct bgp_route_list del;
     int i;
 
-    bgp_cidr(ip, mask, &del.dest);
+    del.dest.prefix = ip;
+    del.dest.len = prefixlen;
     del.next = 0;
 
     /* find entry in routes list and remove */
@@ -833,6 +814,7 @@ int bgp_process(uint32_t events[])
     return 1;
 }
 
+/* process bgp timers only */
 void bgp_process_peers_timers()
 {
     int i;
@@ -841,7 +823,14 @@ void bgp_process_peers_timers()
        return;
 
     for (i = 0; i < BGP_NUM_PEERS; i++)
-       bgp_process_timers(&bgp_peers[i]);
+    {
+       struct bgp_peer *peer = &bgp_peers[i];
+
+       if (peer->state == Disabled)
+           continue;
+
+       bgp_process_timers(peer);
+    }
 }
 
 static void bgp_process_timers(struct bgp_peer *peer)