svn commit: r264639 - stable/8/lib/libusb

[Hans Petter Selasky]

Author: hselasky
Date: Fri Apr 18 07:46:26 2014
New Revision: 264639
URL: http://svnweb.freebsd.org/changeset/base/264639

Log:
  MFC r264344:
  Tune buffer sizes for SuperSpeed USB when using LibUSB v0.1 and v1.0
  APIs to increase the maximum bandwidth limit.

Modified:
  stable/8/lib/libusb/libusb01.c
  stable/8/lib/libusb/libusb10.c
Directory Properties:
  stable/8/lib/   (props changed)
  stable/8/lib/libusb/   (props changed)

Modified: stable/8/lib/libusb/libusb01.c
==============================================================================
--- stable/8/lib/libusb/libusb01.c	Fri Apr 18 07:44:43 2014	(r264638)
+++ stable/8/lib/libusb/libusb01.c	Fri Apr 18 07:46:26 2014	(r264639)
@@ -122,6 +122,8 @@ usb_get_transfer_by_ep_no(usb_dev_handle
 		bufsize = 256;
 	} else if (speed == LIBUSB20_SPEED_FULL) {
 		bufsize = 4096;
+	} else if (speed == LIBUSB20_SPEED_SUPER) {
+		bufsize = 65536;
 	} else {
 		bufsize = 16384;
 	}

Modified: stable/8/lib/libusb/libusb10.c
==============================================================================
--- stable/8/lib/libusb/libusb10.c	Fri Apr 18 07:44:43 2014	(r264638)
+++ stable/8/lib/libusb/libusb10.c	Fri Apr 18 07:46:26 2014	(r264639)
@@ -916,6 +916,9 @@ libusb10_get_buffsize(struct libusb20_de
 		case LIBUSB20_SPEED_FULL:
 			ret = 4096;
 			break;
+		case LIBUSB20_SPEED_SUPER:
+			ret = 65536;
+			break;
 		default:
 			ret = 16384;
 			break;