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-rw-r--r--usbmuxd/usb-linux.c4
-rw-r--r--usbmuxd/usb.h6
2 files changed, 4 insertions, 6 deletions
diff --git a/usbmuxd/usb-linux.c b/usbmuxd/usb-linux.c
index b401cde..44eba2c 100644
--- a/usbmuxd/usb-linux.c
+++ b/usbmuxd/usb-linux.c
@@ -138,7 +138,7 @@ int usb_send(struct usb_device *dev, const unsigned char *buf, int length)
libusb_free_transfer(xfer);
return res;
}
- collection_add(&dev->tx_xfers, xfer);/*
+ collection_add(&dev->tx_xfers, xfer);
if((length % 512) == 0) {
usbmuxd_log(LL_DEBUG, "Send ZLP");
// Send Zero Length Packet
@@ -152,7 +152,7 @@ int usb_send(struct usb_device *dev, const unsigned char *buf, int length)
return res;
}
collection_add(&dev->tx_xfers, xfer);
- }*/
+ }
return 0;
}
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