static int recv_from_unipro(unsigned int cportid, void *payload, size_t len)
{
char *buf;
int ret;
len = gb_packet_size(payload);
buf = malloc(len + 1);
if (!buf)
return -ENOMEM;
gb_dump(payload, len);
/*
* TODO
* Update UniPro driver to allocate a buffer that can contain
* the cport number and the data in order to avoid the recopy.
*/
memcpy(buf, &cportid, 1);
memcpy(buf + 1, payload, len);
ret = unipro_to_usb(g_usbdev, buf, len + 1);
free(buf);
return ret;
}
int recv_from_unipro(unsigned int cportid, void *buf, size_t len)
{
/*
* FIXME: Remove when UniPro driver provides the actual buffer length.
*/
len = gb_packet_size(buf);
gb_dump(buf, len);
if (len < sizeof(struct gb_operation_hdr))
return -EPROTO;
return unipro_to_usb(g_usbdev, cportid, buf, len);
}