void cleanup_module(void)
{
rtdm_task_destroy(&stask1);
rtdm_task_destroy(&stask2);
rtdm_sem_destroy(&sem1);
rtdm_sem_destroy(&sem2);
stop_rt_timer();
}
void cleanup_timer_handler(void)
{
rtdm_task_destroy(&tx_handler_task);
rtdm_task_destroy(&rx_handler_task);
rtdm_sem_destroy(&rx_sem);
rtdm_sem_destroy(&tx_sem);
}
/* releases rtcfg_dev->dev_mutex on return */
static void rtcfg_client_detach(int ifindex, struct rt_proc_call *call)
{
struct rtcfg_device *rtcfg_dev = &device[ifindex];
struct rtcfg_cmd *cmd_event;
cmd_event = rtpc_get_priv(call, struct rtcfg_cmd);
cmd_event->args.detach.station_addr_list =
rtcfg_dev->spec.clt.station_addr_list;
cmd_event->args.detach.stage2_chain = rtcfg_dev->spec.clt.stage2_chain;
while (1) {
call = rtcfg_dequeue_blocking_call(ifindex);
if (call == NULL)
break;
rtpc_complete_call(call, -ENODEV);
}
if (rtcfg_dev->flags & FLAG_TIMER_STARTED) {
/* It's safe to kill the task, it either waits for dev_mutex or the
next period. */
rtdm_task_destroy(&rtcfg_dev->timer_task);
}
rtcfg_reset_device(ifindex);
rtcfg_next_main_state(cmd_event->internal.data.ifindex, RTCFG_MAIN_OFF);
rtdm_mutex_unlock(&rtcfg_dev->dev_mutex);
}
void __exit __rtdmtest_exit(void)
{
rtdm_task_destroy(&task);
rtdm_task_join_nrt(&task, 100);
printk("%s: unregistering device %s\n",
__FUNCTION__, device.device_name);
rtdm_dev_unregister(&device, 1000);
}
/* Detach callback */
int loop_detach(struct a4l_device *dev)
{
lpprv_t *priv = (lpprv_t *)dev->priv;
rtdm_task_destroy(&priv->loop_task);
return 0;
}
int setup_timer_handler(void)
{
int ret = 0;
priv = netdev_priv(get_vlc_dev());
//Get the first packets in the packet ring
rx_packet = get_rx_packet();
tx_packet = get_tx_packet();
//Init semas
rtdm_sem_init(&tx_sem, 1);
rtdm_sem_init(&rx_sem, 1);
//Store the current time
rx_sleep_slot = rtdm_clock_read_monotonic();
tx_sleep_slot = rx_sleep_slot + sleep_increment / 2;
early_late_slot = do_div(sleep_increment, 5);
//Return an error if either is NULL
if(!rx_packet || !tx_packet) goto error;
//Start the rx and tx handler tasks
rtdm_task_init(&rx_handler_task, "VLC rx handler", rx_handler,
NULL, RTDM_TASK_HIGHEST_PRIORITY, 0);
if(ret) goto error;
rtdm_task_init(&tx_handler_task, "VLC tx handler", tx_handler,
NULL, RTDM_TASK_HIGHEST_PRIORITY, 0);
if(ret) goto error;
return 0;
error:
rtdm_task_destroy(&rx_handler_task);
rtdm_task_destroy(&tx_handler_task);
return -1;
}
static void __exit rtnetproxy_cleanup_module(void)
{
/* Unregister the fallback at rtnet */
rt_ip_register_fallback(0);
/* free the rtai srq */
rtdm_nrtsig_destroy(&rtnetproxy_signal);
rtdm_task_destroy(&rtnetproxy_thread);
rtdm_sem_destroy(&rtnetproxy_sem);
/* Free the ringbuffers... */
{
struct sk_buff *del_skb; /* standard skb */
while ((del_skb = read_from_ringbuffer(&ring_skb_rtnet_kernel)) != 0)
{
dev_kfree_skb(del_skb);
}
while ((del_skb = read_from_ringbuffer(&ring_skb_kernel_rtnet)) != 0)
{
dev_kfree_skb(del_skb);
}
}
{
struct rtskb *del; /* rtnet skb */
while ((del=read_from_ringbuffer(&ring_rtskb_kernel_rtnet))!=0)
{
kfree_rtskb(del); // Although this is kernel mode, freeing should work...
}
while ((del=read_from_ringbuffer(&ring_rtskb_rtnet_kernel))!=0)
{
kfree_rtskb(del); // Although this is kernel mode, freeing should work...
}
}
/* Unregister the net device: */
unregister_netdev(&dev_rtnetproxy);
kfree(dev_rtnetproxy.priv);
memset(&dev_rtnetproxy, 0, sizeof(dev_rtnetproxy));
dev_rtnetproxy.init = rtnetproxy_init;
rtskb_pool_release(&rtskb_pool);
}
static int rtdmtest_ioctl(struct rtdm_dev_context *context,
rtdm_user_info_t *user_info,
unsigned int request,
void *arg)
{
struct rtdmtest_context *ctx;
struct rttst_rtdmtest_config config_buf, *config;
rtdm_toseq_t toseq_local, *toseq = NULL;
int i, err = 0;
ctx = (struct rtdmtest_context *)context->dev_private;
switch (request) {
case RTTST_RTIOC_RTDMTEST_SEM_TIMEDDOWN:
case RTTST_RTIOC_RTDMTEST_EVENT_TIMEDWAIT:
case RTTST_RTIOC_RTDMTEST_MUTEX_TIMEDTEST:
case RTTST_RTIOC_RTDMTEST_MUTEX_TEST:
config = arg;
if (user_info) {
if (rtdm_safe_copy_from_user
(user_info, &config_buf, arg,
sizeof(struct rttst_rtdmtest_config)) < 0)
return -EFAULT;
config = &config_buf;
}
if (!config->seqcount)
config->seqcount = 1;
if (config->timeout && config->seqcount > 1) {
toseq = &toseq_local;
rtdm_toseq_init(toseq, config->timeout);
}
switch(request) {
case RTTST_RTIOC_RTDMTEST_SEM_TIMEDDOWN:
for (i = 0; i < config->seqcount; i++) {
err = rtdm_sem_timeddown(&ctx->sem,
config->timeout,
toseq);
if (err)
break;
}
break;
case RTTST_RTIOC_RTDMTEST_EVENT_TIMEDWAIT:
for (i = 0; i < config->seqcount; i++) {
err = rtdm_event_timedwait(&ctx->event,
config->timeout,
toseq);
if (err)
break;
}
break;
case RTTST_RTIOC_RTDMTEST_MUTEX_TIMEDTEST:
for (i = 0; i < config->seqcount; i++) {
err = rtdm_mutex_timedlock(&ctx->mutex,
config->timeout,
toseq);
if (err)
break;
if (config->delay_jiffies) {
__set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(config->delay_jiffies);
}
rtdm_lock_count++;
rtdm_mutex_unlock(&ctx->mutex);
}
break;
case RTTST_RTIOC_RTDMTEST_MUTEX_TEST:
for (i = 0; i < config->seqcount; i++) {
if ((err = rtdm_mutex_lock(&ctx->mutex)))
break;
rtdm_lock_count++;
rtdm_mutex_unlock(&ctx->mutex);
}
break;
}
break;
case RTTST_RTIOC_RTDMTEST_SEM_DOWN:
err = rtdm_sem_down(&ctx->sem);
break;
case RTTST_RTIOC_RTDMTEST_SEM_UP:
rtdm_sem_up(&ctx->sem);
break;
case RTTST_RTIOC_RTDMTEST_SEM_DESTROY:
rtdm_sem_destroy(&ctx->sem);
break;
case RTTST_RTIOC_RTDMTEST_EVENT_WAIT:
err = rtdm_event_wait(&ctx->event);
break;
case RTTST_RTIOC_RTDMTEST_EVENT_SIGNAL:
rtdm_event_signal(&ctx->event);
break;
case RTTST_RTIOC_RTDMTEST_EVENT_DESTROY:
rtdm_event_destroy(&ctx->event);
break;
case RTTST_RTIOC_RTDMTEST_MUTEX_DESTROY:
rtdm_mutex_destroy(&ctx->mutex);
break;
case RTTST_RTIOC_RTDMTEST_MUTEX_GETSTAT:
printk("RTTST_RTIOC_RTDMTEST_MUTEX_GETSTAT\n");
if (user_info)
config = &config_buf;
else
config = arg;
config->seqcount = rtdm_lock_count;
if (user_info) {
if (rtdm_safe_copy_to_user
(user_info, arg, &config_buf,
sizeof(struct rttst_rtdmtest_config)) < 0)
return -EFAULT;
}
break;
case RTTST_RTIOC_RTDMTEST_NRTSIG_PEND:
rtdm_nrtsig_pend(&ctx->nrtsig);
break;
case RTTST_RTIOC_RTDMTEST_TASK_CREATE:
case RTTST_RTIOC_RTDMTEST_TASK_SET_PRIO:
config = arg;
if (user_info) {
if (rtdm_safe_copy_from_user
(user_info, &config_buf, arg,
sizeof(struct rttst_rtdmtest_config)) < 0)
return -EFAULT;
config = &config_buf;
}
if (request == RTTST_RTIOC_RTDMTEST_TASK_CREATE) {
task_period = config->timeout;
rtdm_task_init(&task, "RTDMTEST",
rtdmtest_task, (void *)config,
config->priority, 0);
} else {
rtdm_task_set_priority(&task, config->priority);
}
break;
case RTTST_RTIOC_RTDMTEST_TASK_DESTROY:
rtdm_task_destroy(&task);
rtdm_task_join_nrt(&task, 100);
break;
default:
printk("request=%d\n", request);
err = -ENOTTY;
}
return err;
}
