int
umodem_get_caps(usbd_device_handle dev, int *cm, int *acm,
usb_interface_descriptor_t *id)
{
const usb_cdc_cm_descriptor_t *cmd;
const usb_cdc_acm_descriptor_t *cad;
const usb_cdc_union_descriptor_t *cud;
*cm = *acm = 0;
cmd = (const usb_cdc_cm_descriptor_t *)usb_find_desc_if(dev,
UDESC_CS_INTERFACE,
UDESCSUB_CDC_CM, id);
if (cmd == NULL)
DPRINTF(("umodem_get_caps: no CM desc\n"));
else
*cm = cmd->bmCapabilities;
cad = (const usb_cdc_acm_descriptor_t *)usb_find_desc_if(dev,
UDESC_CS_INTERFACE,
UDESCSUB_CDC_ACM, id);
if (cad == NULL)
DPRINTF(("umodem_get_caps: no ACM desc\n"));
else
*acm = cad->bmCapabilities;
cud = (const usb_cdc_union_descriptor_t *)usb_find_desc_if(dev,
UDESC_CS_INTERFACE,
UDESCSUB_CDC_UNION, id);
if (cud == NULL)
DPRINTF(("umodem_get_caps: no UNION desc\n"));
return cmd ? cmd->bDataInterface : cud ? cud->bSlaveInterface[0] : -1;
}
/*
* Get mac address
*/
static int
lgue_getmac(struct lgue_softc *sc, void *buf)
{
const usb_cdc_ethernet_descriptor_t *ced;
usb_interface_descriptor_t *id;
char sbuf[ETHER_ADDR_LEN * 2 + 1];
usbd_status err;
int i;
id = usbd_get_interface_descriptor(sc->lgue_ctl_iface);
if (id == NULL) goto bad;
ced = (const usb_cdc_ethernet_descriptor_t *)usb_find_desc_if(sc->lgue_udev,
UDESC_CS_INTERFACE, UDESCSUB_CDC_ETHERNET, id);
if (ced == NULL) goto bad;
err = usbd_get_string(sc->lgue_udev, ced->iMACAddress, sbuf);
if(err) {
kprintf("Read MAC address failed\n");
goto bad;
}
for (i = 0; i < ETHER_ADDR_LEN; ++i) {
((uByte *)buf)[i] = (hex(sbuf[i * 2]) << 4) + hex(sbuf[(i * 2) + 1]);
}
return(0);
bad:
return(-1);
}
/*
* Find data interface.
*/
int
lgue_get_data_iface_no(usbd_device_handle dev, usb_interface_descriptor_t *id)
{
const usb_cdc_union_descriptor_t *cud;
cud = (const usb_cdc_union_descriptor_t *)usb_find_desc_if(dev,
UDESC_CS_INTERFACE, UDESCSUB_CDC_UNION, id);
return(cud ? cud->bSlaveInterface[0] : -1);
}
/*
* Get hard max mtu
*/
static int
lgue_getmtu(struct lgue_softc *sc)
{
const usb_cdc_ethernet_descriptor_t *ced;
usb_interface_descriptor_t *id;
id = usbd_get_interface_descriptor(sc->lgue_ctl_iface);
if (id == NULL) {
kprintf("usbd_get_interface_descriptor() returned NULL\n");
return(ETHERMTU);
}
ced = (const usb_cdc_ethernet_descriptor_t *)usb_find_desc_if(sc->lgue_udev,
UDESC_CS_INTERFACE, UDESCSUB_CDC_ETHERNET, id);
if (ced == NULL) {
kprintf("usb_find_desc_if() returned NULL\n");
return(ETHERMTU);
}
return(UGETW(ced->wMaxSegmentSize));
}
