Hi
I have two questions regarding short transfers.
My questions are best illustrated by a scenario:
Lets say the Hosts Mass Storage driver wants to READ 12K:
I believe that the Host Controller driver (e.g. ehci_hcd) might see
something like this coming from usbcore:
1) BULK OUT urb (31 bytes)
On Tue, 22 May 2007, Curran, Dominic wrote:
Hi
I have two questions regarding short transfers.
My questions are best illustrated by a scenario:
Lets say the Hosts Mass Storage driver wants to READ 12K:
I believe that the Host Controller driver (e.g. ehci_hcd) might see
something like
On Tuesday 22 May 2007, Alan Stern wrote:
On Tue, 22 May 2007, Curran, Dominic wrote:
Lets say the Hosts Mass Storage driver wants to READ 12K:
I believe that the Host Controller driver (e.g. ehci_hcd) might see
something like this coming from usbcore:
1) BULK OUT urb (31
On Tue, 22 May 2007, David Brownell wrote:
2) What happens if the device terminates the transfer during the 4KB
(after say 3700 bytes received, with a short packet)?
Thus:
urb-transfer_buffer_length = 4096
urb-actual_length = 3700
I believe that the HC driver
On Tuesday 22 May 2007, Alan Stern wrote:
On Tue, 22 May 2007, David Brownell wrote:
2) What happens if the device terminates the transfer during the 4KB
(after say 3700 bytes received, with a short packet)?
Thus:
urb-transfer_buffer_length = 4096
urb-actual_length
