static void report_registering(struct ipw_tty *tty)
{
char *iftype = tty_type_name(tty->tty_type);
printk(KERN_INFO IPWIRELESS_PCCARD_NAME
": registering %s device ttyIPWp%d\n", iftype, tty->index);
}
static int add_tty(int j,
struct ipw_hardware *hardware,
struct ipw_network *network, int channel_idx,
int secondary_channel_idx, int tty_type)
{
ttys[j] = kzalloc(sizeof(struct ipw_tty), GFP_KERNEL);
if (!ttys[j])
return -ENOMEM;
ttys[j]->index = j;
ttys[j]->hardware = hardware;
ttys[j]->channel_idx = channel_idx;
ttys[j]->secondary_channel_idx = secondary_channel_idx;
ttys[j]->network = network;
ttys[j]->tty_type = tty_type;
mutex_init(&ttys[j]->ipw_tty_mutex);
tty_port_init(&ttys[j]->port);
tty_port_register_device(&ttys[j]->port, ipw_tty_driver, j, NULL);
ipwireless_associate_network_tty(network, channel_idx, ttys[j]);
if (secondary_channel_idx != -1)
ipwireless_associate_network_tty(network,
secondary_channel_idx,
ttys[j]);
/* check if we provide raw device (if loopback is enabled) */
if (get_tty(j))
printk(KERN_INFO IPWIRELESS_PCCARD_NAME
": registering %s device ttyIPWp%d\n",
tty_type_name(tty_type), j);
return 0;
}
/*
* Must be called before ipwireless_network_free().
*/
void ipwireless_tty_free(struct ipw_tty *tty)
{
int j;
struct ipw_network *network = ttys[tty->index]->network;
for (j = tty->index; j < IPWIRELESS_PCMCIA_MINORS;
j += IPWIRELESS_PCMCIA_MINOR_RANGE) {
struct ipw_tty *ttyj = ttys[j];
if (ttyj) {
mutex_lock(&ttyj->ipw_tty_mutex);
if (get_tty(j))
printk(KERN_INFO IPWIRELESS_PCCARD_NAME
": deregistering %s device ttyIPWp%d\n",
tty_type_name(ttyj->tty_type), j);
ttyj->closing = 1;
if (ttyj->port.tty != NULL) {
mutex_unlock(&ttyj->ipw_tty_mutex);
tty_vhangup(ttyj->port.tty);
/* FIXME: Exactly how is the tty object locked here
against a parallel ioctl etc */
/* FIXME2: hangup does not mean all processes
* are gone */
mutex_lock(&ttyj->ipw_tty_mutex);
}
while (ttyj->port.count)
do_ipw_close(ttyj);
ipwireless_disassociate_network_ttys(network,
ttyj->channel_idx);
tty_unregister_device(ipw_tty_driver, j);
tty_port_destroy(&ttyj->port);
ttys[j] = NULL;
mutex_unlock(&ttyj->ipw_tty_mutex);
kfree(ttyj);
}
}
}
