/*
* Check an aimed rpipe to make sure it points to where we want
*
* We use bit 19 of the Linux USB pipe bitmap for unauth vs auth
* space; when it is like that, we or 0x80 to make an unauth address.
*/
static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa,
const struct usb_host_endpoint *ep,
const struct urb *urb, gfp_t gfp)
{
int result = 0;
struct device *dev = &wa->usb_iface->dev;
u8 portnum = wusb_port_no_to_idx(urb->dev->portnum);
#define AIM_CHECK(rdf, val, text) \
do { \
if (rpipe->descr.rdf != (val)) { \
dev_err(dev, \
"rpipe aim discrepancy: " #rdf " " text "\n", \
rpipe->descr.rdf, (val)); \
result = -EINVAL; \
WARN_ON(1); \
} \
} while (0)
AIM_CHECK(hwa_bDeviceInfoIndex, portnum, "(%u vs %u)");
AIM_CHECK(bSpeed, usb_pipeendpoint(urb->pipe) == 0 ?
UWB_PHY_RATE_53 : UWB_PHY_RATE_200,
"(%u vs %u)");
AIM_CHECK(bEndpointAddress, ep->desc.bEndpointAddress, "(%u vs %u)");
AIM_CHECK(bInterval, ep->desc.bInterval, "(%u vs %u)");
AIM_CHECK(bmAttribute, ep->desc.bmAttributes & 0x03, "(%u vs %u)");
#undef AIM_CHECK
return result;
}
/*
* Check an aimed rpipe to make sure it points to where we want
*
* We use bit 19 of the Linux USB pipe bitmap for unauth vs auth
* space; when it is like that, we or 0x80 to make an unauth address.
*/
static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa,
const struct usb_host_endpoint *ep,
const struct urb *urb, gfp_t gfp)
{
int result = 0; /* better code for lack of companion? */
struct device *dev = &wa->usb_iface->dev;
struct usb_device *usb_dev = urb->dev;
u8 unauth = (usb_dev->wusb && !usb_dev->authenticated) ? 0x80 : 0;
u8 portnum = wusb_port_no_to_idx(urb->dev->portnum);
#define AIM_CHECK(rdf, val, text) \
do { \
if (rpipe->descr.rdf != (val)) { \
dev_err(dev, \
"rpipe aim discrepancy: " #rdf " " text "\n", \
rpipe->descr.rdf, (val)); \
result = -EINVAL; \
WARN_ON(1); \
} \
} while (0)
AIM_CHECK(wMaxPacketSize, cpu_to_le16(ep->desc.wMaxPacketSize),
"(%u vs %u)");
AIM_CHECK(bHSHubPort, portnum, "(%u vs %u)");
AIM_CHECK(bSpeed, usb_pipeendpoint(urb->pipe) == 0 ?
UWB_PHY_RATE_53 : UWB_PHY_RATE_200,
"(%u vs %u)");
AIM_CHECK(bDeviceAddress, urb->dev->devnum | unauth, "(%u vs %u)");
AIM_CHECK(bEndpointAddress, ep->desc.bEndpointAddress, "(%u vs %u)");
AIM_CHECK(bInterval, ep->desc.bInterval, "(%u vs %u)");
AIM_CHECK(bmAttribute, ep->desc.bmAttributes & 0x03, "(%u vs %u)");
#undef AIM_CHECK
return result;
}
