struct knet_cfg *knet_get_iface(const char *name, int create)
{
struct knet_cfg *knet_iface = knet_cfg_head.knet_cfg;
int found = 0;
while (knet_iface != NULL) {
if (!strcmp(tap_get_name(knet_iface->cfg_eth.tap), name)) {
found = 1;
break;
}
knet_iface = knet_iface->next;
}
if ((!found) && (create)) {
knet_iface = malloc(sizeof(struct knet_cfg));
if (!knet_iface)
goto out_clean;
memset(knet_iface, 0, sizeof(struct knet_cfg));
knet_iface->cfg_ring.base_port = KNET_RING_DEFPORT;
knet_iface->next = knet_cfg_head.knet_cfg;
knet_cfg_head.knet_cfg = knet_iface;
}
out_clean:
return knet_iface;
}
void
init_ifs (char *dev, char *vnet)
{
char cmd[256], ifname[256];
ip_iface = (struct iface_ether *) create_iface (vnet, NULL, NULL);
if (!ip_iface) {
fprintf (stderr, "Unable to create 802.IP interface.\n");
exit (1);
}
ip_iface->recv_frame = handle_802ip_frame;
printf ("address %02x:%02x:%02x:%02x:%02x:%02x\n",
ip_iface->hwaddr[0], ip_iface->hwaddr[1],
ip_iface->hwaddr[2], ip_iface->hwaddr[3], ip_iface->hwaddr[4], ip_iface->hwaddr[5]);
tap_iface = (struct iface_ether *) create_iface ("tap", dev, NULL);
if (!tap_iface) {
fprintf (stderr, "Unable to create ethertap interface.\n");
exit (1);
}
tap_iface->recv_frame = handle_tap_frame;
if (tap_iface->head_size > ip_iface->head_size)
ip_iface->head_size = tap_iface->head_size;
if (ip_iface->head_size > tap_iface->head_size)
tap_iface->head_size = ip_iface->head_size;
tap_get_name ((struct iface *) tap_iface, ifname);
printf ("Tunnel: %s\n", ifname);
sprintf (cmd,
"/sbin/ip link set %s address %02x:%02x:%02x:%02x:%02x:%02x up\n",
ifname, ip_iface->hwaddr[0], ip_iface->hwaddr[1],
ip_iface->hwaddr[2], ip_iface->hwaddr[3], ip_iface->hwaddr[4], ip_iface->hwaddr[5]);
printf ("command: %s\n", cmd);
system (cmd);
//sprintf( cmd, "/sbin/ip addr add fe80::1/64 dev %s", ifname );
//printf( "command: %s\n", cmd );
//system( cmd );
//sprintf( cmd, "/sbin/ip route add %s/%d dev %s via fe80::5", prefix, plen, ifname );
//printf( "command: %s\n", cmd );
//system( cmd );
}
