int novacom_usb_transport_stop(void)
{
/*clear auth */
auth_reset();
return 0;
}
/*
* lcp_resetci - Reset our CI.
*/
static void
lcp_resetci(
fsm *f)
{
lcp_wantoptions[f->unit].magicnumber = magic();
lcp_wantoptions[f->unit].numloops = 0;
lcp_gotoptions[f->unit] = lcp_wantoptions[f->unit];
peer_mru[f->unit] = PPP_MRU;
auth_reset(f->unit);
}
int novacom_usb_transport_start(void)
{
/*clear auth */
auth_reset();
/* create an event to drive the io worker thread */
platform_event_create(&usb_online_event);
platform_event_unsignal(&usb_online_event);
/* create a set of events to track the status of the io threads */
platform_event_create(&rx_shutdown_event);
platform_event_unsignal(&rx_shutdown_event);
platform_event_create(&tx_shutdown_event);
platform_event_unsignal(&tx_shutdown_event);
/* create a thread to run the control endpoint */
platform_create_thread(NULL, &ep0_thread, NULL);
return 0;
}
static int set_usb_online(bool on)
{
if (on) {
if (!usb_online) {
/*init */
auth_init();
/* sleep for a second to let things settle down */
sleep(1);
platform_event_unsignal(&tx_shutdown_event);
platform_event_unsignal(&rx_shutdown_event);
usbll_handle = novacom_usbll_create("host", MAX_MTU, 0, 0);
ep1in_fd = open(ep1in_name, O_RDWR);
LOG_PRINTF("ep1 %d\n", ep1in_fd);
if (ep1in_fd < 0) {
log_printf(LOG_ERROR, "error opening endpoint 1\n");
return -1;
}
fcntl(ep1in_fd, F_SETFD, FD_CLOEXEC);
ep2out_fd = open(ep2out_name, O_RDWR);
LOG_PRINTF("ep2 %d\n", ep2out_fd);
if (ep2out_fd < 0) {
log_printf(LOG_ERROR, "error opening endpoint 2\n");
close(ep1in_fd);
return -1;
}
fcntl(ep2out_fd, F_SETFD, FD_CLOEXEC);
usb_online = true;
platform_event_signal(&usb_online_event);
/* create the worker threads */
LOG_PRINTF("starting worker threads\n");
platform_create_thread(NULL, &tx_thread_entry, NULL);
platform_create_thread(NULL, &rx_thread_entry, NULL);
} else if(false == gadgetfs_online) {
/* postponed_offline->online */
platform_event_signal(&usb_online_event);
}
} else {
if (usb_online) {
//change state before sending out signal!
usb_online = false;
platform_event_signal(&usb_online_event);
/* wait for the existing worker threads to go away */
LOG_PRINTF("waiting for worker threads to go away\n");
platform_event_wait(&tx_shutdown_event);
close(ep1in_fd);
LOG_PRINTF("closed tx_thread\n");
platform_event_wait(&rx_shutdown_event);
close(ep2out_fd);
LOG_PRINTF("closed rx_thread\n");
novacom_usbll_destroy(usbll_handle);
LOG_PRINTF("destroyed novacom usbll_handle\n");
/* clear auth */
auth_reset();
}
}
return 0;
}
