From 605013109c99cb0b361ca253806732b572136dd6 Mon Sep 17 00:00:00 2001
From: hselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Fri, 18 Apr 2014 07:50:25 +0000
Subject: [PATCH] MFC r264344: Tune buffer sizes for SuperSpeed USB when using
 LibUSB v0.1 and v1.0 APIs to increase the maximum bandwidth limit.

git-svn-id: svn://svn.freebsd.org/base/stable/10@264641 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 lib/libusb/libusb01.c | 2 ++
 lib/libusb/libusb10.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/lib/libusb/libusb01.c b/lib/libusb/libusb01.c
index 30a143001..91ae6e2de 100644
--- a/lib/libusb/libusb01.c
+++ b/lib/libusb/libusb01.c
@@ -127,6 +127,8 @@ usb_get_transfer_by_ep_no(usb_dev_handle * dev, uint8_t ep_no)
 		bufsize = 256;
 	} else if (speed == LIBUSB20_SPEED_FULL) {
 		bufsize = 4096;
+	} else if (speed == LIBUSB20_SPEED_SUPER) {
+		bufsize = 65536;
 	} else {
 		bufsize = 16384;
 	}
diff --git a/lib/libusb/libusb10.c b/lib/libusb/libusb10.c
index c795ecfa1..e8f931427 100644
--- a/lib/libusb/libusb10.c
+++ b/lib/libusb/libusb10.c
@@ -935,6 +935,9 @@ libusb10_get_buffsize(struct libusb20_device *pdev, libusb_transfer *xfer)
 		case LIBUSB20_SPEED_FULL:
 			ret = 4096;
 			break;
+		case LIBUSB20_SPEED_SUPER:
+			ret = 65536;
+			break;
 		default:
 			ret = 16384;
 			break;
-- 
2.45.0