int vlan_spanning_tree_enable_on_vlan (int vlan_id, int mode)
{
struct vlan_static_entry *p = get_vlan_entry (vlan_id);
int i = 0;
if (!p) {
return -1;
}
if (p->stp_enabled && p->stp_mode == mode)
return 0;
if (mode == MODE_STP) {
if (stp_create_stp_instance (vlan_id, &p->stp_instance) < 0) {
debug_vlan ("Unable to enable STP on vlan %d\n", vlan_id);
return -1;
}
for (i = 1; i <= get_max_ports () ; i++) {
int res = 0;
IS_PORT_SET_PORT_LIST (p->egress_ports, i,res)
if (res) {
stp_create_port (p->stp_instance, i);
}
}
stp_set_state (p->stp_instance, 1);
} else if (mode == MODE_RSTP) {
return -1;
}
/*Read and update the interface states*/
if (ioctl(fd, SIOCGIFFLAGS, &ifr) == 0) {
p->ifAdminStatus = (ifr.ifr_flags & IFF_UP)? IF_UP: IF_DOWN;
p->ifOperStatus = (ifr.ifr_flags & IFF_RUNNING)?IF_UP:IF_DOWN;
}
close(fd);
return 0;
}
void * if_link_monitor (void *arg UNUSED_PARAM)
{
int max_ports = get_max_ports ();
struct ifreq ifr;
int fd = -1;
fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
return NULL;
}
memset (&ifr, 0, sizeof(ifr));
while (1) {
int i = 0;
while (i < max_ports) {
struct interface *p = &port_cdb[i];
