/* ------------------------------------------------------------------ */
+static int usb_desc_set_config(USBDevice *dev, int value)
+{
+ int i;
+
+ if (value == 0) {
+ dev->configuration = 0;
+ dev->ninterfaces = 0;
+ dev->config = NULL;
+ } else {
+ for (i = 0; i < dev->device->bNumConfigurations; i++) {
+ if (dev->device->confs[i].bConfigurationValue == value) {
+ dev->configuration = value;
+ dev->ninterfaces = dev->device->confs[i].bNumInterfaces;
+ dev->config = dev->device->confs + i;
+ }
+ }
+ if (i < dev->device->bNumConfigurations) {
+ return -1;
+ }
+ }
+ return 0;
+}
+
static void usb_desc_setdefaults(USBDevice *dev)
{
const USBDesc *desc = dev->info->usb_desc;
dev->device = desc->high;
break;
}
- dev->config = dev->device->confs;
+ usb_desc_set_config(dev, 0);
}
void usb_desc_init(USBDevice *dev)
int request, int value, int index, int length, uint8_t *data)
{
const USBDesc *desc = dev->info->usb_desc;
- int i, ret = -1;
+ int ret = -1;
assert(desc != NULL);
switch(request) {
ret = 1;
break;
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
- for (i = 0; i < dev->device->bNumConfigurations; i++) {
- if (dev->device->confs[i].bConfigurationValue == value) {
- dev->config = dev->device->confs + i;
- ret = 0;
- }
- }
+ ret = usb_desc_set_config(dev, value);
trace_usb_set_config(dev->addr, value, ret);
break;
uint8_t descr[8192];
int descr_len;
- int configuration;
- int ninterfaces;
int closing;
uint32_t iso_urb_count;
Notifier exit;
int ret, i;
if (configuration == 0) { /* address state - ignore */
- dev->ninterfaces = 0;
- dev->configuration = 0;
+ dev->dev.ninterfaces = 0;
+ dev->dev.configuration = 0;
return 1;
}
trace_usb_host_claim_interfaces(dev->bus_num, dev->addr,
nb_interfaces, configuration);
- dev->ninterfaces = nb_interfaces;
- dev->configuration = configuration;
+ dev->dev.ninterfaces = nb_interfaces;
+ dev->dev.configuration = configuration;
return 1;
fail:
trace_usb_host_release_interfaces(s->bus_num, s->addr);
- for (i = 0; i < s->ninterfaces; i++) {
+ for (i = 0; i < s->dev.ninterfaces; i++) {
ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i);
if (ret < 0) {
perror("USBDEVFS_RELEASEINTERFACE");
s->ep_out[i].type = INVALID_EP_TYPE;
}
- if (s->configuration == 0) {
+ if (s->dev.configuration == 0) {
/* not configured yet -- leave all endpoints disabled */
return 0;
}
if (descriptors[i + 1] != USB_DT_CONFIG) {
fprintf(stderr, "invalid descriptor data\n");
return 1;
- } else if (descriptors[i + 5] != s->configuration) {
- DPRINTF("not requested configuration %d\n", s->configuration);
+ } else if (descriptors[i + 5] != s->dev.configuration) {
+ DPRINTF("not requested configuration %d\n", s->dev.configuration);
i += (descriptors[i + 3] << 8) + descriptors[i + 2];
continue;
}
-
i += descriptors[i];
if (descriptors[i + 1] != USB_DT_INTERFACE ||
}
interface = descriptors[i + 2];
- alt_interface = usb_linux_get_alt_setting(s, s->configuration,
+ alt_interface = usb_linux_get_alt_setting(s, s->dev.configuration,
interface);
/* the current interface descriptor is the active interface