Bulk endpoint streams were added in the USB 3.0 specification. Streams
allow a device driver to overload a bulk endpoint so that multiple
transfers can be queued at once.
Add a new field, stream_id, to struct urb so that USB 3.0 drivers can
specify which stream they want the URB to be queued to.
Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
---
include/linux/usb.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb.h b/include/linux/usb.h
index ce1323c..b6a1fb6 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1189,6 +1189,7 @@ struct urb {
struct usb_device *dev; /* (in) pointer to associated device */
struct usb_host_endpoint *ep; /* (internal) pointer to endpoint */
unsigned int pipe; /* (in) pipe information */
+ unsigned int stream_id; /* (in) stream ID */
int status; /* (return) non-ISO status */
unsigned int transfer_flags; /* (in) URB_SHORT_NOT_OK | ...*/
void *transfer_buffer; /* (in) associated data buffer */
--
1.6.3.3
--
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