static void acleanup_module(void)
{
dev_remove_pack(&mirror_proto);
printk("Remove mirror port: %s\n", mirror->name);
dev_put(mirror);
free_ports();
printk("MIRROR module unloaded.\n");
}
static
void* port_thread(void *arg)
{
alsa_seqmidi_t *self = arg;
while (self->keep_walking) {
sem_wait(&self->port_sem);
free_ports(self, self->port_del);
update_ports(self);
}
debug_log("port_thread exited");
return NULL;
}
static
void stream_detach(alsa_seqmidi_t *self, int dir)
{
stream_t *str = &self->stream[dir];
int i;
free_ports(self, str->new_ports);
// delete all ports from hash
for (i=0; i<PORT_HASH_SIZE; ++i) {
port_t *port = str->ports[i];
while (port) {
port_t *next = port->next;
port_free(self, port);
port = next;
}
str->ports[i] = NULL;
}
}
static
int alsa_seqmidi_detach(alsa_midi_t *m)
{
alsa_seqmidi_t *self = (alsa_seqmidi_t*) m;
debug_log("midi: detach");
if (!self->seq)
return -EALREADY;
alsa_seqmidi_stop(m);
jack_ringbuffer_reset(self->port_add);
free_ports(self, self->port_del);
stream_detach(self, PORT_INPUT);
stream_detach(self, PORT_OUTPUT);
snd_seq_close(self->seq);
self->seq = NULL;
return 0;
}
int option_setup (char *opt)
{
char *from, *to, *cur, tmp;
struct net_device *dev;
int count = 0;
printk ("args: %s\n", opt);
/* Get mirror port. */
if ((to = strchr(opt, '@')) == NULL)
return -EINVAL;
*to = '\0';
to++;
/* Get data ports. */
from = opt;
for (cur=opt; cur<=(opt+strlen(opt)); cur++)
{
if (*cur == '/' ||
*cur == '@' ||
*cur == ',' ||
*cur == 0x00)
{
/* FIXME: why I must change it back, otherwise loop would stopped. */
tmp = *cur;
*cur = 0x00;
if (!strcmp(to, from))
{
printk ("%s is mirror port already.\n", to);
free_ports();
return -EBUSY;
}
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) )
dev = dev_get_by_name(from);
#else
dev = dev_get_by_name(&init_net, from);
#endif
/* Set data ports. */
if (!dev) {
printk ("Cannot find data port: %s\n", from);
free_ports();
return -ENODEV;
}
printk("Set data port: %s\n", dev->name);
ports_dev[count++] = dev;
ifindex_bits |= (1 << dev->ifindex);
from = cur + 1;
/* FIXME: why I must change it back, otherwise loop would stopped. */
*cur = tmp;
}
}
/* Set mirror port. */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) )
mirror = dev_get_by_name(to);
#else
mirror = dev_get_by_name(&init_net, to);
#endif
if (!mirror)
{
printk (KERN_ERR "Cannot find mirror port: %s\n", to);
return -ENODEV;
}
printk("Set mirror port: %s\n", mirror->name);
dev_add_pack(&mirror_proto);
return 0;
}
