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/*-
* Copyright (c) 2005
* Bill Paul <wpaul@windriver.com>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/compat/ndis/subr_usbd.c 209102 2010-06-12 12:19:08Z ed $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/unistd.h>
#include <sys/types.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sx.h>
#include <sys/condvar.h>
#include <sys/module.h>
#include <sys/conf.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <machine/bus.h>
#include <sys/bus.h>
#include <sys/queue.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_ioctl.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_device.h>
#include <dev/usb/usb_request.h>
#include <compat/ndis/pe_var.h>
#include <compat/ndis/cfg_var.h>
#include <compat/ndis/resource_var.h>
#include <compat/ndis/ntoskrnl_var.h>
#include <compat/ndis/ndis_var.h>
#include <compat/ndis/hal_var.h>
#include <compat/ndis/usbd_var.h>
#include <dev/if_ndis/if_ndisvar.h>
static driver_object usbd_driver;
static usb_callback_t usbd_non_isoc_callback;
static usb_callback_t usbd_ctrl_callback;
#define USBD_CTRL_READ_PIPE 0
#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) + USBD_CTRL_WRITE_BUFFER_SP)
static struct usb_config usbd_default_epconfig[USBD_CTRL_MAX_PIPE] = {
[USBD_CTRL_READ_PIPE] = {
.type = UE_CONTROL,
.endpoint = 0x00, /* control pipe */
.direction = UE_DIR_ANY,
.if_index = 0,
.bufsize = USBD_CTRL_READ_BUFFER_SIZE,
.flags = { .short_xfer_ok = 1, },
.callback = &usbd_ctrl_callback,
.timeout = 5000, /* 5 seconds */
},
[USBD_CTRL_WRITE_PIPE] = {
.type = UE_CONTROL,
.endpoint = 0x00, /* control pipe */
.direction = UE_DIR_ANY,
.if_index = 0,
.bufsize = USBD_CTRL_WRITE_BUFFER_SIZE,
.flags = { .proxy_buffer = 1, },
.callback = &usbd_ctrl_callback,
.timeout = 5000, /* 5 seconds */
}
};
static int32_t usbd_func_bulkintr(irp *);
static int32_t usbd_func_vendorclass(irp *);
static int32_t usbd_func_selconf(irp *);
static int32_t usbd_func_abort_pipe(irp *);
static usb_error_t usbd_setup_endpoint(irp *, uint8_t,
struct usb_endpoint_descriptor *);
static usb_error_t usbd_setup_endpoint_default(irp *, uint8_t);
static usb_error_t usbd_setup_endpoint_one(irp *, uint8_t,
struct ndisusb_ep *, struct usb_config *);
static int32_t usbd_func_getdesc(irp *);
static union usbd_urb *usbd_geturb(irp *);
static struct ndisusb_ep*usbd_get_ndisep(irp *, usb_endpoint_descriptor_t *);
static int32_t usbd_iodispatch(device_object *, irp *);
static int32_t usbd_ioinvalid(device_object *, irp *);
static int32_t usbd_pnp(device_object *, irp *);
static int32_t usbd_power(device_object *, irp *);
static void usbd_irpcancel(device_object *, irp *);
static int32_t usbd_submit_urb(irp *);
static int32_t usbd_urb2nt(int32_t);
static void usbd_task(device_object *, void *);
static int32_t usbd_taskadd(irp *, unsigned);
static void usbd_xfertask(device_object *, void *);
static void dummy(void);
static union usbd_urb *USBD_CreateConfigurationRequestEx(
usb_config_descriptor_t *,
struct usbd_interface_list_entry *);
static union usbd_urb *USBD_CreateConfigurationRequest(
usb_config_descriptor_t *,
uint16_t *);
static void USBD_GetUSBDIVersion(usbd_version_info *);
static usb_interface_descriptor_t *USBD_ParseConfigurationDescriptorEx(
usb_config_descriptor_t *, void *, int32_t, int32_t,
int32_t, int32_t, int32_t);
static usb_interface_descriptor_t *USBD_ParseConfigurationDescriptor(
usb_config_descriptor_t *, uint8_t, uint8_t);
/*
* We need to wrap these functions because these need `context switch' from
* Windows to UNIX before it's called.
*/
static funcptr usbd_iodispatch_wrap;
static funcptr usbd_ioinvalid_wrap;
static funcptr usbd_pnp_wrap;
static funcptr usbd_power_wrap;
static funcptr usbd_irpcancel_wrap;
static funcptr usbd_task_wrap;
static funcptr usbd_xfertask_wrap;
int
usbd_libinit(void)
{
image_patch_table *patch;
int i;
patch = usbd_functbl;
while (patch->ipt_func != NULL) {
windrv_wrap((funcptr)patch->ipt_func,
(funcptr *)&patch->ipt_wrap,
patch->ipt_argcnt, patch->ipt_ftype);
patch++;
}
windrv_wrap((funcptr)usbd_ioinvalid,
(funcptr *)&usbd_ioinvalid_wrap, 2, WINDRV_WRAP_STDCALL);
windrv_wrap((funcptr)usbd_iodispatch,
(funcptr *)&usbd_iodispatch_wrap, 2, WINDRV_WRAP_STDCALL);
windrv_wrap((funcptr)usbd_pnp,
(funcptr *)&usbd_pnp_wrap, 2, WINDRV_WRAP_STDCALL);
windrv_wrap((funcptr)usbd_power,
(funcptr *)&usbd_power_wrap, 2, WINDRV_WRAP_STDCALL);
windrv_wrap((funcptr)usbd_irpcancel,
(funcptr *)&usbd_irpcancel_wrap, 2, WINDRV_WRAP_STDCALL);
windrv_wrap((funcptr)usbd_task,
(funcptr *)&usbd_task_wrap, 2, WINDRV_WRAP_STDCALL);
windrv_wrap((funcptr)usbd_xfertask,
(funcptr *)&usbd_xfertask_wrap, 2, WINDRV_WRAP_STDCALL);
/* Create a fake USB driver instance. */
windrv_bus_attach(&usbd_driver, "USB Bus");
/* Set up our dipatch routine. */
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
usbd_driver.dro_dispatch[i] =
(driver_dispatch)usbd_ioinvalid_wrap;
usbd_driver.dro_dispatch[IRP_MJ_INTERNAL_DEVICE_CONTROL] =
(driver_dispatch)usbd_iodispatch_wrap;
usbd_driver.dro_dispatch[IRP_MJ_DEVICE_CONTROL] =
(driver_dispatch)usbd_iodispatch_wrap;
usbd_driver.dro_dispatch[IRP_MJ_POWER] =
(driver_dispatch)usbd_power_wrap;
usbd_driver.dro_dispatch[IRP_MJ_PNP] =
(driver_dispatch)usbd_pnp_wrap;
return (0);
}
int
usbd_libfini(void)
{
image_patch_table *patch;
patch = usbd_functbl;
while (patch->ipt_func != NULL) {
windrv_unwrap(patch->ipt_wrap);
patch++;
}
windrv_unwrap(usbd_ioinvalid_wrap);
windrv_unwrap(usbd_iodispatch_wrap);
windrv_unwrap(usbd_pnp_wrap);
windrv_unwrap(usbd_power_wrap);
windrv_unwrap(usbd_irpcancel_wrap);
windrv_unwrap(usbd_task_wrap);
windrv_unwrap(usbd_xfertask_wrap);
free(usbd_driver.dro_drivername.us_buf, M_DEVBUF);
return (0);
}
static int32_t
usbd_iodispatch(device_object *dobj, irp *ip)
{
device_t dev = dobj->do_devext;
int32_t status;
struct io_stack_location *irp_sl;
irp_sl = IoGetCurrentIrpStackLocation(ip);
switch (irp_sl->isl_parameters.isl_ioctl.isl_iocode) {
case IOCTL_INTERNAL_USB_SUBMIT_URB:
IRP_NDIS_DEV(ip) = dev;
status = usbd_submit_urb(ip);
break;
default:
device_printf(dev, "ioctl 0x%x isn't supported\n",
irp_sl->isl_parameters.isl_ioctl.isl_iocode);
status = USBD_STATUS_NOT_SUPPORTED;
break;
}
if (status == USBD_STATUS_PENDING)
return (STATUS_PENDING);
ip->irp_iostat.isb_status = usbd_urb2nt(status);
if (status != USBD_STATUS_SUCCESS)
ip->irp_iostat.isb_info = 0;
return (ip->irp_iostat.isb_status);
}
static int32_t
usbd_ioinvalid(device_object *dobj, irp *ip)
{
device_t dev = dobj->do_devext;
struct io_stack_location *irp_sl;
irp_sl = IoGetCurrentIrpStackLocation(ip);
device_printf(dev, "invalid I/O dispatch %d:%d\n", irp_sl->isl_major,
irp_sl->isl_minor);
ip->irp_iostat.isb_status = STATUS_FAILURE;
ip->irp_iostat.isb_info = 0;
IoCompleteRequest(ip, IO_NO_INCREMENT);
return (STATUS_FAILURE);
}
static int32_t
usbd_pnp(device_object *dobj, irp *ip)
{
device_t dev = dobj->do_devext;
struct io_stack_location *irp_sl;
irp_sl = IoGetCurrentIrpStackLocation(ip);
device_printf(dev, "%s: unsupported I/O dispatch %d:%d\n",
__func__, irp_sl->isl_major, irp_sl->isl_minor);
ip->irp_iostat.isb_status = STATUS_FAILURE;
ip->irp_iostat.isb_info = 0;
IoCompleteRequest(ip, IO_NO_INCREMENT);
return (STATUS_FAILURE);
}
static int32_t
usbd_power(device_object *dobj, irp *ip)
{
device_t dev = dobj->do_devext;
struct io_stack_location *irp_sl;
irp_sl = IoGetCurrentIrpStackLocation(ip);
device_printf(dev, "%s: unsupported I/O dispatch %d:%d\n",
__func__, irp_sl->isl_major, irp_sl->isl_minor);
ip->irp_iostat.isb_status = STATUS_FAILURE;
ip->irp_iostat.isb_info = 0;
IoCompleteRequest(ip, IO_NO_INCREMENT);
return (STATUS_FAILURE);
}
/* Convert USBD_STATUS to NTSTATUS */
static int32_t
usbd_urb2nt(int32_t status)
{
switch (status) {
case USBD_STATUS_SUCCESS:
return (STATUS_SUCCESS);
case USBD_STATUS_DEVICE_GONE:
return (STATUS_DEVICE_NOT_CONNECTED);
case USBD_STATUS_PENDING:
return (STATUS_PENDING);
case USBD_STATUS_NOT_SUPPORTED:
return (STATUS_NOT_IMPLEMENTED);
case USBD_STATUS_NO_MEMORY:
return (STATUS_NO_MEMORY);
case USBD_STATUS_REQUEST_FAILED:
return (STATUS_NOT_SUPPORTED);
case USBD_STATUS_CANCELED:
return (STATUS_CANCELLED);
default:
break;
}
return (STATUS_FAILURE);
}
/* Convert FreeBSD's usb_error_t to USBD_STATUS */
static int32_t
usbd_usb2urb(int status)
{
switch (status) {
case USB_ERR_NORMAL_COMPLETION:
return (USBD_STATUS_SUCCESS);
case USB_ERR_PENDING_REQUESTS:
return (USBD_STATUS_PENDING);
case USB_ERR_TIMEOUT:
return (USBD_STATUS_TIMEOUT);
case USB_ERR_SHORT_XFER:
return (USBD_STATUS_ERROR_SHORT_TRANSFER);
case USB_ERR_IOERROR:
return (USBD_STATUS_XACT_ERROR);
case USB_ERR_NOMEM:
return (USBD_STATUS_NO_MEMORY);
case USB_ERR_INVAL:
return (USBD_STATUS_REQUEST_FAILED);
case USB_ERR_NOT_STARTED:
case USB_ERR_TOO_DEEP:
case USB_ERR_NO_POWER:
return (USBD_STATUS_DEVICE_GONE);
case USB_ERR_CANCELLED:
return (USBD_STATUS_CANCELED);
default:
break;
}
return (USBD_STATUS_NOT_SUPPORTED);
}
static union usbd_urb *
usbd_geturb(irp *ip)
{
struct io_stack_location *irp_sl;
irp_sl = IoGetCurrentIrpStackLocation(ip);
return (irp_sl->isl_parameters.isl_others.isl_arg1);
}
static int32_t
usbd_submit_urb(irp *ip)
{
device_t dev = IRP_NDIS_DEV(ip);
int32_t status;
union usbd_urb *urb;
urb = usbd_geturb(ip);
/*
* In a case of URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER,
* USBD_URB_STATUS(urb) would be set at callback functions like
* usbd_intr() or usbd_xfereof().
*/
switch (urb->uu_hdr.uuh_func) {
case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
status = usbd_func_bulkintr(ip);
if (status != USBD_STATUS_SUCCESS &&
status != USBD_STATUS_PENDING)
USBD_URB_STATUS(urb) = status;
break;
case URB_FUNCTION_VENDOR_DEVICE:
case URB_FUNCTION_VENDOR_INTERFACE:
case URB_FUNCTION_VENDOR_ENDPOINT:
case URB_FUNCTION_VENDOR_OTHER:
case URB_FUNCTION_CLASS_DEVICE:
case URB_FUNCTION_CLASS_INTERFACE:
case URB_FUNCTION_CLASS_ENDPOINT:
case URB_FUNCTION_CLASS_OTHER:
status = usbd_func_vendorclass(ip);
USBD_URB_STATUS(urb) = status;
break;
case URB_FUNCTION_SELECT_CONFIGURATION:
status = usbd_func_selconf(ip);
USBD_URB_STATUS(urb) = status;
break;
case URB_FUNCTION_ABORT_PIPE:
status = usbd_func_abort_pipe(ip);
USBD_URB_STATUS(urb) = status;
break;
case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
status = usbd_func_getdesc(ip);
USBD_URB_STATUS(urb) = status;
break;
default:
device_printf(dev, "func 0x%x isn't supported\n",
urb->uu_hdr.uuh_func);
USBD_URB_STATUS(urb) = status = USBD_STATUS_NOT_SUPPORTED;
break;
}
return (status);
}
static int32_t
usbd_func_getdesc(irp *ip)
{
#define NDISUSB_GETDESC_MAXRETRIES 3
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
struct usbd_urb_control_descriptor_request *ctldesc;
uint16_t actlen;
uint32_t len;
union usbd_urb *urb;
usb_config_descriptor_t *cdp;
usb_error_t status;
urb = usbd_geturb(ip);
ctldesc = &urb->uu_ctldesc;
if (ctldesc->ucd_desctype == UDESC_CONFIG) {
/*
* The NDIS driver is not allowed to change the
* config! There is only one choice!
*/
cdp = usbd_get_config_descriptor(sc->ndisusb_dev);
if (cdp == NULL) {
status = USB_ERR_INVAL;
goto exit;
}
if (cdp->bDescriptorType != UDESC_CONFIG) {
device_printf(dev, "bad desc %d\n",
cdp->bDescriptorType);
status = USB_ERR_INVAL;
goto exit;
}
/* get minimum length */
len = MIN(UGETW(cdp->wTotalLength), ctldesc->ucd_trans_buflen);
/* copy out config descriptor */
memcpy(ctldesc->ucd_trans_buf, cdp, len);
/* set actual length */
actlen = len;
status = USB_ERR_NORMAL_COMPLETION;
} else {
NDISUSB_LOCK(sc);
status = usbd_req_get_desc(sc->ndisusb_dev, &sc->ndisusb_mtx,
&actlen, ctldesc->ucd_trans_buf, 2,
ctldesc->ucd_trans_buflen, ctldesc->ucd_langid,
ctldesc->ucd_desctype, ctldesc->ucd_idx,
NDISUSB_GETDESC_MAXRETRIES);
NDISUSB_UNLOCK(sc);
}
exit:
if (status != USB_ERR_NORMAL_COMPLETION) {
ctldesc->ucd_trans_buflen = 0;
return usbd_usb2urb(status);
}
ctldesc->ucd_trans_buflen = actlen;
ip->irp_iostat.isb_info = actlen;
return (USBD_STATUS_SUCCESS);
#undef NDISUSB_GETDESC_MAXRETRIES
}
static int32_t
usbd_func_selconf(irp *ip)
{
device_t dev = IRP_NDIS_DEV(ip);
int i, j;
struct ndis_softc *sc = device_get_softc(dev);
struct usb_device *udev = sc->ndisusb_dev;
struct usb_endpoint *ep = NULL;
struct usbd_interface_information *intf;
struct usbd_pipe_information *pipe;
struct usbd_urb_select_configuration *selconf;
union usbd_urb *urb;
usb_config_descriptor_t *conf;
usb_endpoint_descriptor_t *edesc;
usb_error_t ret;
urb = usbd_geturb(ip);
selconf = &urb->uu_selconf;
conf = selconf->usc_conf;
if (conf == NULL) {
device_printf(dev, "select configuration is NULL\n");
return usbd_usb2urb(USB_ERR_NORMAL_COMPLETION);
}
intf = &selconf->usc_intf;
for (i = 0; i < conf->bNumInterface && intf->uii_len > 0; i++) {
ret = usbd_set_alt_interface_index(udev,
intf->uii_intfnum, intf->uii_altset);
if (ret != USB_ERR_NORMAL_COMPLETION && ret != USB_ERR_IN_USE) {
device_printf(dev,
"setting alternate interface failed: %s\n",
usbd_errstr(ret));
return usbd_usb2urb(ret);
}
for (j = 0; (ep = usb_endpoint_foreach(udev, ep)); j++) {
if (j >= intf->uii_numeps) {
device_printf(dev,
"endpoint %d and above are ignored",
intf->uii_numeps);
break;
}
edesc = ep->edesc;
pipe = &intf->uii_pipes[j];
pipe->upi_handle = edesc;
pipe->upi_epaddr = edesc->bEndpointAddress;
pipe->upi_maxpktsize = UGETW(edesc->wMaxPacketSize);
pipe->upi_type = UE_GET_XFERTYPE(edesc->bmAttributes);
ret = usbd_setup_endpoint(ip, intf->uii_intfnum, edesc);
if (ret != USB_ERR_NORMAL_COMPLETION)
return usbd_usb2urb(ret);
if (pipe->upi_type != UE_INTERRUPT)
continue;
/* XXX we're following linux USB's interval policy. */
if (udev->speed == USB_SPEED_LOW)
pipe->upi_interval = edesc->bInterval + 5;
else if (udev->speed == USB_SPEED_FULL)
pipe->upi_interval = edesc->bInterval;
else {
int k0 = 0, k1 = 1;
do {
k1 = k1 * 2;
k0 = k0 + 1;
} while (k1 < edesc->bInterval);
pipe->upi_interval = k0;
}
}
intf = (struct usbd_interface_information *)(((char *)intf) +
intf->uii_len);
}
return (USBD_STATUS_SUCCESS);
}
static usb_error_t
usbd_setup_endpoint_one(irp *ip, uint8_t ifidx, struct ndisusb_ep *ne,
struct usb_config *epconf)
{
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
struct usb_xfer *xfer;
usb_error_t status;
InitializeListHead(&ne->ne_active);
InitializeListHead(&ne->ne_pending);
KeInitializeSpinLock(&ne->ne_lock);
status = usbd_transfer_setup(sc->ndisusb_dev, &ifidx, ne->ne_xfer,
epconf, 1, sc, &sc->ndisusb_mtx);
if (status != USB_ERR_NORMAL_COMPLETION) {
device_printf(dev, "couldn't setup xfer: %s\n",
usbd_errstr(status));
return (status);
}
xfer = ne->ne_xfer[0];
usbd_xfer_set_priv(xfer, ne);
return (status);
}
static usb_error_t
usbd_setup_endpoint_default(irp *ip, uint8_t ifidx)
{
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
usb_error_t status;
if (ifidx > 0)
device_printf(dev, "warning: ifidx > 0 isn't supported.\n");
status = usbd_setup_endpoint_one(ip, ifidx, &sc->ndisusb_dread_ep,
&usbd_default_epconfig[USBD_CTRL_READ_PIPE]);
if (status != USB_ERR_NORMAL_COMPLETION)
return (status);
status = usbd_setup_endpoint_one(ip, ifidx, &sc->ndisusb_dwrite_ep,
&usbd_default_epconfig[USBD_CTRL_WRITE_PIPE]);
return (status);
}
static usb_error_t
usbd_setup_endpoint(irp *ip, uint8_t ifidx,
struct usb_endpoint_descriptor *ep)
{
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
struct ndisusb_ep *ne;
struct usb_config cfg;
struct usb_xfer *xfer;
usb_error_t status;
/* check for non-supported transfer types */
if (UE_GET_XFERTYPE(ep->bmAttributes) == UE_CONTROL ||
UE_GET_XFERTYPE(ep->bmAttributes) == UE_ISOCHRONOUS) {
device_printf(dev, "%s: unsuppotted transfer types %#x\n",
__func__, UE_GET_XFERTYPE(ep->bmAttributes));
return (USB_ERR_INVAL);
}
ne = &sc->ndisusb_ep[NDISUSB_GET_ENDPT(ep->bEndpointAddress)];
InitializeListHead(&ne->ne_active);
InitializeListHead(&ne->ne_pending);
KeInitializeSpinLock(&ne->ne_lock);
ne->ne_dirin = UE_GET_DIR(ep->bEndpointAddress) >> 7;
memset(&cfg, 0, sizeof(struct usb_config));
cfg.type = UE_GET_XFERTYPE(ep->bmAttributes);
cfg.endpoint = UE_GET_ADDR(ep->bEndpointAddress);
cfg.direction = UE_GET_DIR(ep->bEndpointAddress);
cfg.callback = &usbd_non_isoc_callback;
cfg.bufsize = UGETW(ep->wMaxPacketSize);
cfg.flags.proxy_buffer = 1;
if (UE_GET_DIR(ep->bEndpointAddress) == UE_DIR_IN)
cfg.flags.short_xfer_ok = 1;
status = usbd_transfer_setup(sc->ndisusb_dev, &ifidx, ne->ne_xfer,
&cfg, 1, sc, &sc->ndisusb_mtx);
if (status != USB_ERR_NORMAL_COMPLETION) {
device_printf(dev, "couldn't setup xfer: %s\n",
usbd_errstr(status));
return (status);
}
xfer = ne->ne_xfer[0];
usbd_xfer_set_priv(xfer, ne);
if (UE_GET_DIR(ep->bEndpointAddress) == UE_DIR_IN)
usbd_xfer_set_timeout(xfer, NDISUSB_NO_TIMEOUT);
else {
if (UE_GET_XFERTYPE(ep->bmAttributes) == UE_BULK)
usbd_xfer_set_timeout(xfer, NDISUSB_TX_TIMEOUT);
else
usbd_xfer_set_timeout(xfer, NDISUSB_INTR_TIMEOUT);
}
return (status);
}
static int32_t
usbd_func_abort_pipe(irp *ip)
{
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
struct ndisusb_ep *ne;
union usbd_urb *urb;
urb = usbd_geturb(ip);
ne = usbd_get_ndisep(ip, urb->uu_pipe.upr_handle);
if (ne == NULL) {
device_printf(IRP_NDIS_DEV(ip), "get NULL endpoint info.\n");
return (USBD_STATUS_INVALID_PIPE_HANDLE);
}
NDISUSB_LOCK(sc);
usbd_transfer_stop(ne->ne_xfer[0]);
usbd_transfer_start(ne->ne_xfer[0]);
NDISUSB_UNLOCK(sc);
return (USBD_STATUS_SUCCESS);
}
static int32_t
usbd_func_vendorclass(irp *ip)
{
device_t dev = IRP_NDIS_DEV(ip);
int32_t error;
struct ndis_softc *sc = device_get_softc(dev);
struct ndisusb_ep *ne;
struct ndisusb_xfer *nx;
struct usbd_urb_vendor_or_class_request *vcreq;
union usbd_urb *urb;
if (!(sc->ndisusb_status & NDISUSB_STATUS_SETUP_EP)) {
/*
* XXX In some cases the interface number isn't 0. However
* some driver (eg. RTL8187L NDIS driver) calls this function
* before calling URB_FUNCTION_SELECT_CONFIGURATION.
*/
error = usbd_setup_endpoint_default(ip, 0);
if (error != USB_ERR_NORMAL_COMPLETION)
return usbd_usb2urb(error);
sc->ndisusb_status |= NDISUSB_STATUS_SETUP_EP;
}
urb = usbd_geturb(ip);
vcreq = &urb->uu_vcreq;
ne = (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) ?
&sc->ndisusb_dread_ep : &sc->ndisusb_dwrite_ep;
IRP_NDISUSB_EP(ip) = ne;
ip->irp_cancelfunc = (cancel_func)usbd_irpcancel_wrap;
nx = malloc(sizeof(struct ndisusb_xfer), M_USBDEV, M_NOWAIT | M_ZERO);
if (nx == NULL) {
device_printf(IRP_NDIS_DEV(ip), "out of memory\n");
return (USBD_STATUS_NO_MEMORY);
}
nx->nx_ep = ne;
nx->nx_priv = ip;
KeAcquireSpinLockAtDpcLevel(&ne->ne_lock);
InsertTailList((&ne->ne_pending), (&nx->nx_next));
KeReleaseSpinLockFromDpcLevel(&ne->ne_lock);
/* we've done to setup xfer. Let's transfer it. */
ip->irp_iostat.isb_status = STATUS_PENDING;
ip->irp_iostat.isb_info = 0;
USBD_URB_STATUS(urb) = USBD_STATUS_PENDING;
IoMarkIrpPending(ip);
error = usbd_taskadd(ip, NDISUSB_TASK_VENDOR);
if (error != USBD_STATUS_SUCCESS)
return (error);
return (USBD_STATUS_PENDING);
}
static void
usbd_irpcancel(device_object *dobj, irp *ip)
{
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
struct ndisusb_ep *ne = IRP_NDISUSB_EP(ip);
if (ne == NULL) {
ip->irp_cancel = TRUE;
IoReleaseCancelSpinLock(ip->irp_cancelirql);
return;
}
/*
* Make sure that the current USB transfer proxy is
* cancelled and then restarted.
*/
NDISUSB_LOCK(sc);
usbd_transfer_stop(ne->ne_xfer[0]);
usbd_transfer_start(ne->ne_xfer[0]);
NDISUSB_UNLOCK(sc);
ip->irp_cancel = TRUE;
IoReleaseCancelSpinLock(ip->irp_cancelirql);
}
static void
usbd_xfer_complete(struct ndis_softc *sc, struct ndisusb_ep *ne,
struct ndisusb_xfer *nx, usb_error_t status)
{
struct ndisusb_xferdone *nd;
uint8_t irql;
nd = malloc(sizeof(struct ndisusb_xferdone), M_USBDEV,
M_NOWAIT | M_ZERO);
if (nd == NULL) {
device_printf(sc->ndis_dev, "out of memory");
return;
}
nd->nd_xfer = nx;
nd->nd_status = status;
KeAcquireSpinLock(&sc->ndisusb_xferdonelock, &irql);
InsertTailList((&sc->ndisusb_xferdonelist), (&nd->nd_donelist));
KeReleaseSpinLock(&sc->ndisusb_xferdonelock, irql);
IoQueueWorkItem(sc->ndisusb_xferdoneitem,
(io_workitem_func)usbd_xfertask_wrap, WORKQUEUE_CRITICAL, sc);
}
static struct ndisusb_xfer *
usbd_aq_getfirst(struct ndis_softc *sc, struct ndisusb_ep *ne)
{
struct ndisusb_xfer *nx;
KeAcquireSpinLockAtDpcLevel(&ne->ne_lock);
if (IsListEmpty(&ne->ne_active)) {
device_printf(sc->ndis_dev,
"%s: the active queue can't be empty.\n", __func__);
KeReleaseSpinLockFromDpcLevel(&ne->ne_lock);
return (NULL);
}
nx = CONTAINING_RECORD(ne->ne_active.nle_flink, struct ndisusb_xfer,
nx_next);
RemoveEntryList(&nx->nx_next);
KeReleaseSpinLockFromDpcLevel(&ne->ne_lock);
return (nx);
}
static void
usbd_non_isoc_callback(struct usb_xfer *xfer, usb_error_t error)
{
irp *ip;
struct ndis_softc *sc = usbd_xfer_softc(xfer);
struct ndisusb_ep *ne = usbd_xfer_get_priv(xfer);
struct ndisusb_xfer *nx;
struct usbd_urb_bulk_or_intr_transfer *ubi;
struct usb_page_cache *pc;
uint8_t irql;
uint32_t len;
union usbd_urb *urb;
usb_endpoint_descriptor_t *ep;
int actlen, sumlen;
usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
nx = usbd_aq_getfirst(sc, ne);
pc = usbd_xfer_get_frame(xfer, 0);
if (nx == NULL)
return;
/* copy in data with regard to the URB */
if (ne->ne_dirin != 0)
usbd_copy_out(pc, 0, nx->nx_urbbuf, actlen);
nx->nx_urbbuf += actlen;
nx->nx_urbactlen += actlen;
nx->nx_urblen -= actlen;
/* check for short transfer */
if (actlen < sumlen)
nx->nx_urblen = 0;
else {
/* check remainder */
if (nx->nx_urblen > 0) {
KeAcquireSpinLock(&ne->ne_lock, &irql);
InsertHeadList((&ne->ne_active), (&nx->nx_next));
KeReleaseSpinLock(&ne->ne_lock, irql);
ip = nx->nx_priv;
urb = usbd_geturb(ip);
ubi = &urb->uu_bulkintr;
ep = ubi->ubi_epdesc;
goto extra;
}
}
usbd_xfer_complete(sc, ne, nx,
((actlen < sumlen) && (nx->nx_shortxfer == 0)) ?
USB_ERR_SHORT_XFER : USB_ERR_NORMAL_COMPLETION);
/* fall through */
case USB_ST_SETUP:
next:
/* get next transfer */
KeAcquireSpinLock(&ne->ne_lock, &irql);
if (IsListEmpty(&ne->ne_pending)) {
KeReleaseSpinLock(&ne->ne_lock, irql);
return;
}
nx = CONTAINING_RECORD(ne->ne_pending.nle_flink,
struct ndisusb_xfer, nx_next);
RemoveEntryList(&nx->nx_next);
/* add a entry to the active queue's tail. */
InsertTailList((&ne->ne_active), (&nx->nx_next));
KeReleaseSpinLock(&ne->ne_lock, irql);
ip = nx->nx_priv;
urb = usbd_geturb(ip);
ubi = &urb->uu_bulkintr;
ep = ubi->ubi_epdesc;
nx->nx_urbbuf = ubi->ubi_trans_buf;
nx->nx_urbactlen = 0;
nx->nx_urblen = ubi->ubi_trans_buflen;
nx->nx_shortxfer = (ubi->ubi_trans_flags &
USBD_SHORT_TRANSFER_OK) ? 1 : 0;
extra:
len = MIN(usbd_xfer_max_len(xfer), nx->nx_urblen);
pc = usbd_xfer_get_frame(xfer, 0);
if (UE_GET_DIR(ep->bEndpointAddress) == UE_DIR_OUT)
usbd_copy_in(pc, 0, nx->nx_urbbuf, len);
usbd_xfer_set_frame_len(xfer, 0, len);
usbd_xfer_set_frames(xfer, 1);
usbd_transfer_submit(xfer);
break;
default:
nx = usbd_aq_getfirst(sc, ne);
if (nx == NULL)
return;
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
device_printf(sc->ndis_dev, "usb xfer warning (%s)\n",
usbd_errstr(error));
}
usbd_xfer_complete(sc, ne, nx, error);
if (error != USB_ERR_CANCELLED)
goto next;
break;
}
}
static void
usbd_ctrl_callback(struct usb_xfer *xfer, usb_error_t error)
{
irp *ip;
struct ndis_softc *sc = usbd_xfer_softc(xfer);
struct ndisusb_ep *ne = usbd_xfer_get_priv(xfer);
struct ndisusb_xfer *nx;
uint8_t irql;
union usbd_urb *urb;
struct usbd_urb_vendor_or_class_request *vcreq;
struct usb_page_cache *pc;
uint8_t type = 0;
struct usb_device_request req;
int len;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
nx = usbd_aq_getfirst(sc, ne);
if (nx == NULL)
return;
ip = nx->nx_priv;
urb = usbd_geturb(ip);
vcreq = &urb->uu_vcreq;
if (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) {
pc = usbd_xfer_get_frame(xfer, 1);
len = usbd_xfer_frame_len(xfer, 1);
usbd_copy_out(pc, 0, vcreq->uvc_trans_buf, len);
nx->nx_urbactlen += len;
}
usbd_xfer_complete(sc, ne, nx, USB_ERR_NORMAL_COMPLETION);
/* fall through */
case USB_ST_SETUP:
next:
/* get next transfer */
KeAcquireSpinLock(&ne->ne_lock, &irql);
if (IsListEmpty(&ne->ne_pending)) {
KeReleaseSpinLock(&ne->ne_lock, irql);
return;
}
nx = CONTAINING_RECORD(ne->ne_pending.nle_flink,
struct ndisusb_xfer, nx_next);
RemoveEntryList(&nx->nx_next);
/* add a entry to the active queue's tail. */
InsertTailList((&ne->ne_active), (&nx->nx_next));
KeReleaseSpinLock(&ne->ne_lock, irql);
ip = nx->nx_priv;
urb = usbd_geturb(ip);
vcreq = &urb->uu_vcreq;
switch (urb->uu_hdr.uuh_func) {
case URB_FUNCTION_CLASS_DEVICE:
type = UT_CLASS | UT_DEVICE;
break;
case URB_FUNCTION_CLASS_INTERFACE:
type = UT_CLASS | UT_INTERFACE;
break;
case URB_FUNCTION_CLASS_OTHER:
type = UT_CLASS | UT_OTHER;
break;
case URB_FUNCTION_CLASS_ENDPOINT:
type = UT_CLASS | UT_ENDPOINT;
break;
case URB_FUNCTION_VENDOR_DEVICE:
type = UT_VENDOR | UT_DEVICE;
break;
case URB_FUNCTION_VENDOR_INTERFACE:
type = UT_VENDOR | UT_INTERFACE;
break;
case URB_FUNCTION_VENDOR_OTHER:
type = UT_VENDOR | UT_OTHER;
break;
case URB_FUNCTION_VENDOR_ENDPOINT:
type = UT_VENDOR | UT_ENDPOINT;
break;
default:
/* never reached. */
break;
}
type |= (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) ?
UT_READ : UT_WRITE;
type |= vcreq->uvc_reserved1;
req.bmRequestType = type;
req.bRequest = vcreq->uvc_req;
USETW(req.wIndex, vcreq->uvc_idx);
USETW(req.wValue, vcreq->uvc_value);
USETW(req.wLength, vcreq->uvc_trans_buflen);
nx->nx_urbbuf = vcreq->uvc_trans_buf;
nx->nx_urblen = vcreq->uvc_trans_buflen;
nx->nx_urbactlen = 0;
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_in(pc, 0, &req, sizeof(req));
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frames(xfer, 1);
if (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) {
if (vcreq->uvc_trans_buflen >= USBD_CTRL_READ_BUFFER_SP)
device_printf(sc->ndis_dev,
"warning: not enough buffer space (%d).\n",
vcreq->uvc_trans_buflen);
usbd_xfer_set_frame_len(xfer, 1,
MIN(usbd_xfer_max_len(xfer),
vcreq->uvc_trans_buflen));
usbd_xfer_set_frames(xfer, 2);
} else {
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);
/*
* XXX with my local tests there was no cases to require
* a extra buffer until now but it'd need to update in
* the future if it needs to be.
*/
if (nx->nx_urblen > 0) {
pc = usbd_xfer_get_frame(xfer, 1);
usbd_copy_in(pc, 0, nx->nx_urbbuf,
nx->nx_urblen);
usbd_xfer_set_frame_len(xfer, 1, nx->nx_urblen);
usbd_xfer_set_frames(xfer, 2);
}
}
usbd_transfer_submit(xfer);
break;
default:
nx = usbd_aq_getfirst(sc, ne);
if (nx == NULL)
return;
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
device_printf(sc->ndis_dev, "usb xfer warning (%s)\n",
usbd_errstr(error));
}
usbd_xfer_complete(sc, ne, nx, error);
if (error != USB_ERR_CANCELLED)
goto next;
break;
}
}
static struct ndisusb_ep *
usbd_get_ndisep(irp *ip, usb_endpoint_descriptor_t *ep)
{
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
struct ndisusb_ep *ne;
ne = &sc->ndisusb_ep[NDISUSB_GET_ENDPT(ep->bEndpointAddress)];
IRP_NDISUSB_EP(ip) = ne;
ip->irp_cancelfunc = (cancel_func)usbd_irpcancel_wrap;
return (ne);
}
static void
usbd_xfertask(device_object *dobj, void *arg)
{
int error;
irp *ip;
device_t dev;
list_entry *l;
struct ndis_softc *sc = arg;
struct ndisusb_xferdone *nd;
struct ndisusb_xfer *nq;
struct usbd_urb_bulk_or_intr_transfer *ubi;
struct usbd_urb_vendor_or_class_request *vcreq;
union usbd_urb *urb;
usb_error_t status;
void *priv;
dev = sc->ndis_dev;
if (IsListEmpty(&sc->ndisusb_xferdonelist))
return;
KeAcquireSpinLockAtDpcLevel(&sc->ndisusb_xferdonelock);
l = sc->ndisusb_xferdonelist.nle_flink;
while (l != &sc->ndisusb_xferdonelist) {
nd = CONTAINING_RECORD(l, struct ndisusb_xferdone, nd_donelist);
nq = nd->nd_xfer;
priv = nq->nx_priv;
status = nd->nd_status;
error = 0;
ip = priv;
urb = usbd_geturb(ip);
ip->irp_cancelfunc = NULL;
IRP_NDISUSB_EP(ip) = NULL;
switch (status) {
case USB_ERR_NORMAL_COMPLETION:
if (urb->uu_hdr.uuh_func ==
URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER) {
ubi = &urb->uu_bulkintr;
ubi->ubi_trans_buflen = nq->nx_urbactlen;
} else {
vcreq = &urb->uu_vcreq;
vcreq->uvc_trans_buflen = nq->nx_urbactlen;
}
ip->irp_iostat.isb_info = nq->nx_urbactlen;
ip->irp_iostat.isb_status = STATUS_SUCCESS;
USBD_URB_STATUS(urb) = USBD_STATUS_SUCCESS;
break;
case USB_ERR_CANCELLED:
ip->irp_iostat.isb_info = 0;
ip->irp_iostat.isb_status = STATUS_CANCELLED;
USBD_URB_STATUS(urb) = USBD_STATUS_CANCELED;
break;
default:
ip->irp_iostat.isb_info = 0;
USBD_URB_STATUS(urb) = usbd_usb2urb(status);
ip->irp_iostat.isb_status =
usbd_urb2nt(USBD_URB_STATUS(urb));
break;
}
l = l->nle_flink;
RemoveEntryList(&nd->nd_donelist);
free(nq, M_USBDEV);
free(nd, M_USBDEV);
if (error)
continue;
KeReleaseSpinLockFromDpcLevel(&sc->ndisusb_xferdonelock);
/* NB: call after cleaning */
IoCompleteRequest(ip, IO_NO_INCREMENT);
KeAcquireSpinLockAtDpcLevel(&sc->ndisusb_xferdonelock);
}
KeReleaseSpinLockFromDpcLevel(&sc->ndisusb_xferdonelock);
}
/*
* this function is for mainly deferring a task to the another thread because
* we don't want to be in the scope of HAL lock.
*/
static int32_t
usbd_taskadd(irp *ip, unsigned type)
{
device_t dev = IRP_NDIS_DEV(ip);
struct ndis_softc *sc = device_get_softc(dev);
struct ndisusb_task *nt;
nt = malloc(sizeof(struct ndisusb_task), M_USBDEV, M_NOWAIT | M_ZERO);
if (nt == NULL)
return (USBD_STATUS_NO_MEMORY);
nt->nt_type = type;
nt->nt_ctx = ip;
KeAcquireSpinLockAtDpcLevel(&sc->ndisusb_tasklock);
InsertTailList((&sc->ndisusb_tasklist), (&nt->nt_tasklist));
KeReleaseSpinLockFromDpcLevel(&sc->ndisusb_tasklock);
IoQueueWorkItem(sc->ndisusb_taskitem,
(io_workitem_func)usbd_task_wrap, WORKQUEUE_CRITICAL, sc);
return (USBD_STATUS_SUCCESS);
}
static void
usbd_task(device_object *dobj, void *arg)
{
irp *ip;
list_entry *l;
struct ndis_softc *sc = arg;
struct ndisusb_ep *ne;
struct ndisusb_task *nt;
union usbd_urb *urb;
if (IsListEmpty(&sc->ndisusb_tasklist))
return;
KeAcquireSpinLockAtDpcLevel(&sc->ndisusb_tasklock);
l = sc->ndisusb_tasklist.nle_flink;
while (l != &sc->ndisusb_tasklist) {
nt = CONTAINING_RECORD(l, struct ndisusb_task, nt_tasklist);
ip = nt->nt_ctx;
urb = usbd_geturb(ip);
KeReleaseSpinLockFromDpcLevel(&sc->ndisusb_tasklock);
NDISUSB_LOCK(sc);
switch (nt->nt_type) {
case NDISUSB_TASK_TSTART:
ne = usbd_get_ndisep(ip, urb->uu_bulkintr.ubi_epdesc);
if (ne == NULL)
goto exit;
usbd_transfer_start(ne->ne_xfer[0]);
break;
case NDISUSB_TASK_IRPCANCEL:
ne = usbd_get_ndisep(ip,
(nt->nt_type == NDISUSB_TASK_IRPCANCEL) ?
urb->uu_bulkintr.ubi_epdesc :
urb->uu_pipe.upr_handle);
if (ne == NULL)
goto exit;
usbd_transfer_stop(ne->ne_xfer[0]);
usbd_transfer_start(ne->ne_xfer[0]);
break;
case NDISUSB_TASK_VENDOR:
ne = (urb->uu_vcreq.uvc_trans_flags &
USBD_TRANSFER_DIRECTION_IN) ?
&sc->ndisusb_dread_ep : &sc->ndisusb_dwrite_ep;
usbd_transfer_start(ne->ne_xfer[0]);
break;
default:
break;
}
exit:
NDISUSB_UNLOCK(sc);
KeAcquireSpinLockAtDpcLevel(&sc->ndisusb_tasklock);
l = l->nle_flink;
RemoveEntryList(&nt->nt_tasklist);
free(nt, M_USBDEV);
}
KeReleaseSpinLockFromDpcLevel(&sc->ndisusb_tasklock);
}
static int32_t
usbd_func_bulkintr(irp *ip)
{
int32_t error;
struct ndisusb_ep *ne;
struct ndisusb_xfer *nx;
struct usbd_urb_bulk_or_intr_transfer *ubi;
union usbd_urb *urb;
usb_endpoint_descriptor_t *ep;
urb = usbd_geturb(ip);
ubi = &urb->uu_bulkintr;
ep = ubi->ubi_epdesc;
if (ep == NULL)
return (USBD_STATUS_INVALID_PIPE_HANDLE);
ne = usbd_get_ndisep(ip, ep);
if (ne == NULL) {
device_printf(IRP_NDIS_DEV(ip), "get NULL endpoint info.\n");
return (USBD_STATUS_INVALID_PIPE_HANDLE);
}
nx = malloc(sizeof(struct ndisusb_xfer), M_USBDEV, M_NOWAIT | M_ZERO);
if (nx == NULL) {
device_printf(IRP_NDIS_DEV(ip), "out of memory\n");
return (USBD_STATUS_NO_MEMORY);
}
nx->nx_ep = ne;
nx->nx_priv = ip;
KeAcquireSpinLockAtDpcLevel(&ne->ne_lock);
InsertTailList((&ne->ne_pending), (&nx->nx_next));
KeReleaseSpinLockFromDpcLevel(&ne->ne_lock);
/* we've done to setup xfer. Let's transfer it. */
ip->irp_iostat.isb_status = STATUS_PENDING;
ip->irp_iostat.isb_info = 0;
USBD_URB_STATUS(urb) = USBD_STATUS_PENDING;
IoMarkIrpPending(ip);
error = usbd_taskadd(ip, NDISUSB_TASK_TSTART);
if (error != USBD_STATUS_SUCCESS)
return (error);
return (USBD_STATUS_PENDING);
}
static union usbd_urb *
USBD_CreateConfigurationRequest(usb_config_descriptor_t *conf, uint16_t *len)
{
struct usbd_interface_list_entry list[2];
union usbd_urb *urb;
bzero(list, sizeof(struct usbd_interface_list_entry) * 2);
list[0].uil_intfdesc = USBD_ParseConfigurationDescriptorEx(conf, conf,
-1, -1, -1, -1, -1);
urb = USBD_CreateConfigurationRequestEx(conf, list);
if (urb == NULL)
return (NULL);
*len = urb->uu_selconf.usc_hdr.uuh_len;
return (urb);
}
static union usbd_urb *
USBD_CreateConfigurationRequestEx(usb_config_descriptor_t *conf,
struct usbd_interface_list_entry *list)
{
int i, j, size;
struct usbd_interface_information *intf;
struct usbd_pipe_information *pipe;
struct usbd_urb_select_configuration *selconf;
usb_interface_descriptor_t *desc;
for (i = 0, size = 0; i < conf->bNumInterface; i++) {
j = list[i].uil_intfdesc->bNumEndpoints;
size = size + sizeof(struct usbd_interface_information) +
sizeof(struct usbd_pipe_information) * (j - 1);
}
size += sizeof(struct usbd_urb_select_configuration) -
sizeof(struct usbd_interface_information);
selconf = ExAllocatePoolWithTag(NonPagedPool, size, 0);
if (selconf == NULL)
return (NULL);
selconf->usc_hdr.uuh_func = URB_FUNCTION_SELECT_CONFIGURATION;
selconf->usc_hdr.uuh_len = size;
selconf->usc_handle = conf;
selconf->usc_conf = conf;
intf = &selconf->usc_intf;
for (i = 0; i < conf->bNumInterface; i++) {
if (list[i].uil_intfdesc == NULL)
break;
list[i].uil_intf = intf;
desc = list[i].uil_intfdesc;
intf->uii_len = sizeof(struct usbd_interface_information) +
(desc->bNumEndpoints - 1) *
sizeof(struct usbd_pipe_information);
intf->uii_intfnum = desc->bInterfaceNumber;
intf->uii_altset = desc->bAlternateSetting;
intf->uii_intfclass = desc->bInterfaceClass;
intf->uii_intfsubclass = desc->bInterfaceSubClass;
intf->uii_intfproto = desc->bInterfaceProtocol;
intf->uii_handle = desc;
intf->uii_numeps = desc->bNumEndpoints;
pipe = &intf->uii_pipes[0];
for (j = 0; j < intf->uii_numeps; j++)
pipe[j].upi_maxtxsize =
USBD_DEFAULT_MAXIMUM_TRANSFER_SIZE;
intf = (struct usbd_interface_information *)((char *)intf +
intf->uii_len);
}
return ((union usbd_urb *)selconf);
}
static void
USBD_GetUSBDIVersion(usbd_version_info *ui)
{
/* Pretend to be Windows XP. */
ui->uvi_usbdi_vers = USBDI_VERSION;
ui->uvi_supported_vers = USB_VER_2_0;
}
static usb_interface_descriptor_t *
USBD_ParseConfigurationDescriptor(usb_config_descriptor_t *conf,
uint8_t intfnum, uint8_t altset)
{
return USBD_ParseConfigurationDescriptorEx(conf, conf, intfnum, altset,
-1, -1, -1);
}
static usb_interface_descriptor_t *
USBD_ParseConfigurationDescriptorEx(usb_config_descriptor_t *conf,
void *start, int32_t intfnum, int32_t altset, int32_t intfclass,
int32_t intfsubclass, int32_t intfproto)
{
struct usb_descriptor *next = NULL;
usb_interface_descriptor_t *desc;
while ((next = usb_desc_foreach(conf, next)) != NULL) {
desc = (usb_interface_descriptor_t *)next;
if (desc->bDescriptorType != UDESC_INTERFACE)
continue;
if (!(intfnum == -1 || desc->bInterfaceNumber == intfnum))
continue;
if (!(altset == -1 || desc->bAlternateSetting == altset))
continue;
if (!(intfclass == -1 || desc->bInterfaceClass == intfclass))
continue;
if (!(intfsubclass == -1 ||
desc->bInterfaceSubClass == intfsubclass))
continue;
if (!(intfproto == -1 || desc->bInterfaceProtocol == intfproto))
continue;
return (desc);
}
return (NULL);
}
static void
dummy(void)
{
printf("USBD dummy called\n");
}
image_patch_table usbd_functbl[] = {
IMPORT_SFUNC(USBD_CreateConfigurationRequest, 2),
IMPORT_SFUNC(USBD_CreateConfigurationRequestEx, 2),
IMPORT_SFUNC_MAP(_USBD_CreateConfigurationRequestEx@8,
USBD_CreateConfigurationRequestEx, 2),
IMPORT_SFUNC(USBD_GetUSBDIVersion, 1),
IMPORT_SFUNC(USBD_ParseConfigurationDescriptor, 3),
IMPORT_SFUNC(USBD_ParseConfigurationDescriptorEx, 7),
IMPORT_SFUNC_MAP(_USBD_ParseConfigurationDescriptorEx@28,
USBD_ParseConfigurationDescriptorEx, 7),
/*
* This last entry is a catch-all for any function we haven't
* implemented yet. The PE import list patching routine will
* use it for any function that doesn't have an explicit match
* in this table.
*/
{ NULL, (FUNC)dummy, NULL, 0, WINDRV_WRAP_STDCALL },
/* End of list. */
{ NULL, NULL, NULL }
};
MODULE_DEPEND(ndis, usb, 1, 1, 1);