diff options
Diffstat (limited to 'usbmuxd/usb.h')
| -rw-r--r-- | usbmuxd/usb.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/usbmuxd/usb.h b/usbmuxd/usb.h index 8a48308..7eea707 100644 --- a/usbmuxd/usb.h +++ b/usbmuxd/usb.h @@ -29,16 +29,14 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // libusb fragments packets larger than this (usbfs limitation) // on input, this creates race conditions and other issues -// I don't think the device uses larger packets -// if it does then we're going to have to implement proper framing... #define USB_MRU 16384 // max transmission packet size // libusb fragments these too, but doesn't send ZLPs so we're safe -// but maybe we need to send a ZLP ourselves at the end (see usb-linux.h) +// but we need to send a ZLP ourselves at the end (see usb-linux.c) // we're using 3 * 16384 to optimize for the fragmentation // this results in three URBs per full transfer, 32 USB packets each -// if there are ZLP issues this should make them show up too +// if there are ZLP issues this should make them show up easily too #define USB_MTU (3 * 16384) #define USB_PACKET_SIZE 512 |