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author | hselasky <hselasky@FreeBSD.org> | 2014-04-11 14:11:55 +0000 |
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committer | hselasky <hselasky@FreeBSD.org> | 2014-04-11 14:11:55 +0000 |
commit | f59574f34342073102fe6cad8b533846631f3c8d (patch) | |
tree | 4ecb3ff3750df8a486454a8f33d3b252037fee7d | |
parent | 8606a0a99229f94cd3ce133f24747c5951bb7a94 (diff) | |
download | FreeBSD-src-f59574f34342073102fe6cad8b533846631f3c8d.zip FreeBSD-src-f59574f34342073102fe6cad8b533846631f3c8d.tar.gz |
Tune buffer sizes for SuperSpeed USB when using LibUSB v0.1 and v1.0
APIs to increase the maximum bandwidth limit.
MFC after: 1 week
-rw-r--r-- | lib/libusb/libusb01.c | 2 | ||||
-rw-r--r-- | lib/libusb/libusb10.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/lib/libusb/libusb01.c b/lib/libusb/libusb01.c index 30a1430..91ae6e2 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 c795ecf..e8f9314 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; |