//-----------------------------------------------------------------
// usb_cdc_process_request:
//-----------------------------------------------------------------
void usb_cdc_process_request(unsigned char req, unsigned short wValue, unsigned short WIndex, unsigned char *data, unsigned short wLength)
{
switch ( req )
{
case CDC_SEND_ENCAPSULATED_COMMAND:
log_printf(USBLOG_CDC_INFO, "CDC: Send encap\n");
cdc_send_encapsulated_command();
break;
case CDC_GET_ENCAPSULATED_RESPONSE:
log_printf(USBLOG_CDC_INFO, "CDC: Get encap\n");
cdc_get_encapsulated_response(wLength);
break;
case CDC_SET_LINE_CODING:
log_printf(USBLOG_CDC_INFO, "CDC: Set line coding\n");
cdc_set_line_coding(data);
break;
case CDC_GET_LINE_CODING:
log_printf(USBLOG_CDC_INFO, "CDC: Get line coding\n");
cdc_get_line_coding(wLength);
break;
case CDC_SET_CONTROL_LINE_STATE:
log_printf(USBLOG_CDC_INFO, "CDC: Set line state\n");
cdc_set_control_line_state();
break;
case CDC_SEND_BREAK:
log_printf(USBLOG_CDC_INFO, "CDC: Send break\n");
cdc_send_break();
break;
default:
log_printf(USBLOG_CDC_INFO, "CDC: Unknown command\n");
usbhw_control_endpoint_stall();
break;
}
}
/**
* Send control packet
*
* @v acm USB RNDIS device
* @v iobuf I/O buffer
* @ret rc Return status code
*/
static int acm_control_transmit ( struct acm_device *acm,
struct io_buffer *iobuf ) {
struct rndis_device *rndis = acm->rndis;
struct usb_device *usb = acm->usb;
int rc;
/* Send packet as an encapsulated command */
if ( ( rc = cdc_send_encapsulated_command ( usb, acm->usbnet.comms,
iobuf->data,
iob_len ( iobuf ) ) ) != 0){
DBGC ( acm, "ACM %p could not send encapsulated command: %s\n",
acm, strerror ( rc ) );
return rc;
}
/* Complete packet immediately */
rndis_tx_complete ( rndis, iobuf );
return 0;
}
