Merge branch 'fdn-mods'

[l2tpns.git] / bgp.c

diff --git a/bgp.c b/bgp.c
index 600c950..04ff767 100644 (file)
--- a/bgp.c
+++ b/bgp.c
@@ -35,6 +35,7 @@ static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head,
 static struct bgp_route6_list *bgp_insert_route6(struct bgp_route6_list *head,
     struct bgp_route6_list *new);
 
 static struct bgp_route6_list *bgp_insert_route6(struct bgp_route6_list *head,
     struct bgp_route6_list *new);
 

+static void bgp_process_timers(struct bgp_peer *peer);

 static void bgp_free_routes(struct bgp_route_list *routes);
 static void bgp_free_routes6(struct bgp_route6_list *routes);
 static char const *bgp_msg_type_str(uint8_t type);
 static void bgp_free_routes(struct bgp_route_list *routes);
 static void bgp_free_routes6(struct bgp_route6_list *routes);
 static char const *bgp_msg_type_str(uint8_t type);


@@ -826,35 +827,51 @@ int bgp_process(uint32_t events[])
        }
 
        /* process timers */
        }
 
        /* process timers */

-       if (peer->state == Established)
-       {
-           if (time_now > peer->expire_time)
-           {
-               LOG(1, 0, 0, "No message from BGP peer %s in %ds\n",
-                   peer->name, peer->hold);
+       bgp_process_timers(peer);
+    }

 
 

-               bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0);
-               continue;
-           }
+    return 1;
+}

 
 

-           if (time_now > peer->keepalive_time && !peer->outbuf->packet.header.len)
-               bgp_send_keepalive(peer);
-       }
-       else if (peer->state == Idle)
-       {
-           if (time_now > peer->retry_time)
-               bgp_connect(peer);
-       }
-       else if (time_now > peer->state_time + BGP_STATE_TIME)
+void bgp_process_peers_timers()
+{
+    int i;
+
+    if (!bgp_configured)
+       return;
+
+    for (i = 0; i < BGP_NUM_PEERS; i++)
+       bgp_process_timers(&bgp_peers[i]);
+}
+
+static void bgp_process_timers(struct bgp_peer *peer)
+{
+    if (peer->state == Established)
+    {
+       if (time_now > peer->expire_time)

        {
        {

-           LOG(1, 0, 0, "%s timer expired for BGP peer %s\n",
-               bgp_state_str(peer->state), peer->name);
+           LOG(1, 0, 0, "No message from BGP peer %s in %ds\n",
+               peer->name, peer->hold);

 
 

-           bgp_restart(peer);
+           bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0);
+           return;

        }
        }

+
+       if (time_now > peer->keepalive_time && !peer->outbuf->packet.header.len)
+           bgp_send_keepalive(peer);
+    }
+    else if (peer->state == Idle)
+    {
+       if (time_now > peer->retry_time)
+           bgp_connect(peer);

     }
     }

+    else if (time_now > peer->state_time + BGP_STATE_TIME)
+    {
+       LOG(1, 0, 0, "%s timer expired for BGP peer %s\n",
+           bgp_state_str(peer->state), peer->name);

 
 

-    return 1;
+       bgp_restart(peer);
+    }

 }
 
 static void bgp_free_routes(struct bgp_route_list *routes)
 }
 
 static void bgp_free_routes(struct bgp_route_list *routes)


@@ -1383,7 +1400,11 @@ static int bgp_send_open(struct bgp_peer *peer)
     data.version = BGP_VERSION;
     data.as = htons(our_as);
     data.hold_time = htons(peer->hold);
     data.version = BGP_VERSION;
     data.as = htons(our_as);
     data.hold_time = htons(peer->hold);

-    data.identifier = my_address;
+    /* use the source IP we use as identifier, if available */
+    if (peer->source_addr != INADDR_ANY)
+       data.identifier = peer->source_addr;
+    else
+       data.identifier = my_address;

 
     /* if we know peer doesn't support MP (mp_handling == DoesntHandleIPv6Routes)
        then don't add this parameter */
 
     /* if we know peer doesn't support MP (mp_handling == DoesntHandleIPv6Routes)
        then don't add this parameter */