Author: weongyo
Date: Fri Jun 26 01:42:41 2009
New Revision: 195031
URL: http://svn.freebsd.org/changeset/base/195031
Log:
provides a extra write buffer when the NDIS driver want to send a
request whose body has some datas through the default pipe.
Tested by: Nikos Vassiliadis <nvass9573 at gmx.com>
Modified:
head/sys/compat/ndis/subr_usbd.c
Modified: head/sys/compat/ndis/subr_usbd.c
==============================================================================
--- head/sys/compat/ndis/subr_usbd.c Fri Jun 26 01:27:31 2009
(r195030)
+++ head/sys/compat/ndis/subr_usbd.c Fri Jun 26 01:42:41 2009
(r195031)
@@ -82,10 +82,11 @@ static usb_callback_t usbd_ctrl_callback
#define USBD_CTRL_WRITE_PIPE 1
#define USBD_CTRL_MAX_PIPE 2
#define USBD_CTRL_READ_BUFFER_SP 256
+#define USBD_CTRL_WRITE_BUFFER_SP 256
#define USBD_CTRL_READ_BUFFER_SIZE \
(sizeof(struct usb_device_request) + USBD_CTRL_READ_BUFFER_SP)
#define USBD_CTRL_WRITE_BUFFER_SIZE \
- (sizeof(struct usb_device_request))
+ (sizeof(struct usb_device_request) + USBD_CTRL_WRITE_BUFFER_SP)
static struct usb_config usbd_default_epconfig[USBD_CTRL_MAX_PIPE] = {
[USBD_CTRL_READ_PIPE] = {
.type = UE_CONTROL,
@@ -1065,7 +1066,7 @@ next:
vcreq->uvc_trans_buflen));
usbd_xfer_set_frames(xfer, 2);
} else {
- if (nx->nx_urblen > 0)
+ if (nx->nx_urblen > USBD_CTRL_WRITE_BUFFER_SP)
device_printf(sc->ndis_dev,
"warning: not enough write buffer space"
" (%d).\n", nx->nx_urblen);
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