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Fixes to make switching work between hosts that have no meta-connection.
author
Guus Sliepen
<guus@tinc-vpn.org>
Wed, 6 Jun 2001 19:12:38 +0000
(19:12 +0000)
committer
Guus Sliepen
<guus@tinc-vpn.org>
Wed, 6 Jun 2001 19:12:38 +0000
(19:12 +0000)
src/route.c
patch
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diff --git
a/src/route.c
b/src/route.c
index
cb74832
..
fd18dfb
100644
(file)
--- a/
src/route.c
+++ b/
src/route.c
@@
-17,7
+17,7
@@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: route.c,v 1.1.2.1
2 2001/06/05 16:31:59
guus Exp $
+ $Id: route.c,v 1.1.2.1
3 2001/06/06 19:12:38
guus Exp $
*/
#include "config.h"
*/
#include "config.h"
@@
-33,53
+33,60
@@
#include <xalloc.h>
#include <syslog.h>
#include <xalloc.h>
#include <syslog.h>
+#include <avl_tree.h>
+
#include "net.h"
#include "net/ethernet.h"
#include "netinet/if_ether.h"
#include "connection.h"
#include "subnet.h"
#include "route.h"
#include "net.h"
#include "net/ethernet.h"
#include "netinet/if_ether.h"
#include "connection.h"
#include "subnet.h"
#include "route.h"
+#include "protocol.h"
#include "system.h"
int routing_mode = RMODE_ROUTER;
subnet_t mymac;
#include "system.h"
int routing_mode = RMODE_ROUTER;
subnet_t mymac;
-void learn_mac(
connection_t *source,
mac_t *address)
+void learn_mac(mac_t *address)
{
subnet_t *subnet;
{
subnet_t *subnet;
+ avl_node_t *node;
+ connection_t *p;
cp
subnet = lookup_subnet_mac(address);
cp
subnet = lookup_subnet_mac(address);
+
+ /* If we don't know this MAC address yet, store it */
- if(!subnet)
+ if(!subnet
|| subnet->owner!=myself
)
{
{
+ if(debug_lvl >= DEBUG_TRAFFIC)
+ syslog(LOG_INFO, _("Learned new MAC address %hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
+ address->x[0], address->x[1], address->x[2], address->x[3], address->x[4], address->x[5]);
+
subnet = new_subnet();
subnet->type = SUBNET_MAC;
subnet = new_subnet();
subnet->type = SUBNET_MAC;
-// subnet->lasttime = gettimeofday();
memcpy(&subnet->net.mac.address, address, sizeof(mac_t));
memcpy(&subnet->net.mac.address, address, sizeof(mac_t));
- subnet_add(
source
, subnet);
+ subnet_add(
myself
, subnet);
- if(debug_lvl >= DEBUG_TRAFFIC)
+ /* And tell all other tinc daemons it's our MAC */
+
+ for(node = connection_tree->head; node; node = node->next)
{
{
- syslog(LOG_DEBUG, _("Learned new MAC address %x:%x:%x:%x:%x:%x from %s (%s)"),
- address->x[0],
- address->x[1],
- address->x[2],
- address->x[3],
- address->x[4],
- address->x[5],
- source->name, source->hostname);
+ p = (connection_t *)node->data;
+ if(p->status.meta && p->status.active && p!= myself)
+ send_add_subnet(p, subnet);
}
}
}
}
}
}
-connection_t *route_mac(
connection_t *source,
vpn_packet_t *packet)
+connection_t *route_mac(vpn_packet_t *packet)
{
subnet_t *subnet;
cp
/* Learn source address */
{
subnet_t *subnet;
cp
/* Learn source address */
- learn_mac(
source,
(mac_t *)(&packet->data[6]));
+ learn_mac((mac_t *)(&packet->data[6]));
/* Lookup destination address */
/* Lookup destination address */
@@
-228,7
+235,7
@@
cp
break;
case RMODE_SWITCH:
break;
case RMODE_SWITCH:
- cl = route_mac(
myself,
packet);
+ cl = route_mac(packet);
if(cl)
send_packet(cl, packet);
else
if(cl)
send_packet(cl, packet);
else
@@
-249,10
+256,8
@@
void route_incoming(connection_t *source, vpn_packet_t *packet)
memcpy(packet->data, mymac.net.mac.address.x, 6); /* Override destination address to make the kernel accept it */
break;
case RMODE_SWITCH:
memcpy(packet->data, mymac.net.mac.address.x, 6); /* Override destination address to make the kernel accept it */
break;
case RMODE_SWITCH:
- if(
(packet->data[0] & packet->data[1]) == 0xFF)
/* Broadcast? */
+ if(
packet->data[0] & 0x01)
/* Broadcast? */
broadcast_packet(source, packet); /* If yes, spread it on */
broadcast_packet(source, packet); /* If yes, spread it on */
- else
- learn_mac(source, (mac_t *)(&packet->data[6]));
break;
case RMODE_HUB:
broadcast_packet(source,packet); /* Spread it on */
break;
case RMODE_HUB:
broadcast_packet(source,packet); /* Spread it on */