ChangeSet 1.1557.49.21, 2004/02/18 13:13:04-08:00, [EMAIL PROTECTED]
[PATCH] USB: usbtest, two more protocol cases
[USB] usbtest, two more control queueing subtests
From Alan Stern. This adds two more "short control read" test cases,
both padding the "expected" transfer to end-of-packet. We need both
hosts and devices/gadgets to behave correctly here.
drivers/usb/misc/usbtest.c | 19 ++++++++++++++++++-
1 files changed, 18 insertions(+), 1 deletion(-)
diff -Nru a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
--- a/drivers/usb/misc/usbtest.c Thu Feb 19 17:21:22 2004
+++ b/drivers/usb/misc/usbtest.c Thu Feb 19 17:21:22 2004
@@ -724,7 +724,7 @@
int last;
};
-#define NUM_SUBCASES 13 /* how many test subcases here? */
+#define NUM_SUBCASES 15 /* how many test subcases here? */
struct subcase {
struct usb_ctrlrequest setup;
@@ -952,7 +952,24 @@
req.wValue = cpu_to_le16 (USB_DT_STRING << 8);
// string == 0, for language IDs
len = sizeof (struct usb_interface_descriptor);
+ // may succeed when > 4 languages
expected = EREMOTEIO; // or EPIPE, if no strings
+ break;
+ case 13: // short read, resembling case 10
+ req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0);
+ // last data packet "should" be DATA1, not DATA0
+ len = 1024 - udev->epmaxpacketin [0];
+ expected = -EREMOTEIO;
+ break;
+ case 14: // short read; try to fill the last packet
+ req.wValue = cpu_to_le16 ((USB_DT_DEVICE << 8) | 0);
+ // device descriptor size == 18 bytes
+ len = udev->epmaxpacketin [0];
+ switch (len) {
+ case 8: len = 24; break;
+ case 16: len = 32; break;
+ }
+ expected = -EREMOTEIO;
break;
default:
err ("bogus number of ctrl queue testcases!");
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