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opnsense-src/sys/dev/usb2/bluetooth/ng_ubt2.c

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/*
* ng_ubt.c
*/
/*-
* Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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.
*
* $Id: ng_ubt.c,v 1.16 2003/10/10 19:15:06 max Exp $
* $FreeBSD$
*/
#include <dev/usb2/include/usb2_devid.h>
#include <dev/usb2/include/usb2_standard.h>
#include <dev/usb2/include/usb2_mfunc.h>
#include <dev/usb2/include/usb2_error.h>
#define USB_DEBUG_VAR usb2_debug
#include <dev/usb2/core/usb2_core.h>
#include <dev/usb2/core/usb2_debug.h>
#include <dev/usb2/core/usb2_parse.h>
#include <dev/usb2/core/usb2_lookup.h>
#include <dev/usb2/core/usb2_util.h>
#include <dev/usb2/core/usb2_busdma.h>
#include <sys/mbuf.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_parse.h>
#include <netgraph/bluetooth/include/ng_bluetooth.h>
#include <netgraph/bluetooth/include/ng_hci.h>
#include <netgraph/bluetooth/include/ng_ubt.h>
#include <dev/usb2/bluetooth/usb2_bluetooth.h>
#include <dev/usb2/bluetooth/ng_ubt2_var.h>
/*
* USB methods
*/
static device_probe_t ubt_probe;
static device_attach_t ubt_attach;
static device_detach_t ubt_detach;
static devclass_t ubt_devclass;
static device_method_t ubt_methods[] = {
DEVMETHOD(device_probe, ubt_probe),
DEVMETHOD(device_attach, ubt_attach),
DEVMETHOD(device_detach, ubt_detach),
{0, 0}
};
static driver_t ubt_driver = {
.name = "ubt",
.methods = ubt_methods,
.size = sizeof(struct ubt_softc),
};
/*
* Netgraph methods
*/
static ng_constructor_t ng_ubt_constructor;
static ng_shutdown_t ng_ubt_shutdown;
static ng_newhook_t ng_ubt_newhook;
static ng_connect_t ng_ubt_connect;
static ng_disconnect_t ng_ubt_disconnect;
static ng_rcvmsg_t ng_ubt_rcvmsg;
static ng_rcvdata_t ng_ubt_rcvdata;
/* Queue length */
static const struct ng_parse_struct_field ng_ubt_node_qlen_type_fields[] =
{
{"queue", &ng_parse_int32_type,},
{"qlen", &ng_parse_int32_type,},
{NULL,}
};
static const struct ng_parse_type ng_ubt_node_qlen_type = {
&ng_parse_struct_type,
&ng_ubt_node_qlen_type_fields
};
/* Stat info */
static const struct ng_parse_struct_field ng_ubt_node_stat_type_fields[] =
{
{"pckts_recv", &ng_parse_uint32_type,},
{"bytes_recv", &ng_parse_uint32_type,},
{"pckts_sent", &ng_parse_uint32_type,},
{"bytes_sent", &ng_parse_uint32_type,},
{"oerrors", &ng_parse_uint32_type,},
{"ierrors", &ng_parse_uint32_type,},
{NULL,}
};
static const struct ng_parse_type ng_ubt_node_stat_type = {
&ng_parse_struct_type,
&ng_ubt_node_stat_type_fields
};
/* Netgraph node command list */
static const struct ng_cmdlist ng_ubt_cmdlist[] = {
{
NGM_UBT_COOKIE,
NGM_UBT_NODE_SET_DEBUG,
"set_debug",
&ng_parse_uint16_type,
NULL
},
{
NGM_UBT_COOKIE,
NGM_UBT_NODE_GET_DEBUG,
"get_debug",
NULL,
&ng_parse_uint16_type
},
{
NGM_UBT_COOKIE,
NGM_UBT_NODE_SET_QLEN,
"set_qlen",
&ng_ubt_node_qlen_type,
NULL
},
{
NGM_UBT_COOKIE,
NGM_UBT_NODE_GET_QLEN,
"get_qlen",
&ng_ubt_node_qlen_type,
&ng_ubt_node_qlen_type
},
{
NGM_UBT_COOKIE,
NGM_UBT_NODE_GET_STAT,
"get_stat",
NULL,
&ng_ubt_node_stat_type
},
{
NGM_UBT_COOKIE,
NGM_UBT_NODE_RESET_STAT,
"reset_stat",
NULL,
NULL
},
{0,}
};
/* Netgraph node type */
static struct ng_type typestruct = {
.version = NG_ABI_VERSION,
.name = NG_UBT_NODE_TYPE,
.constructor = ng_ubt_constructor,
.rcvmsg = ng_ubt_rcvmsg,
.shutdown = ng_ubt_shutdown,
.newhook = ng_ubt_newhook,
.connect = ng_ubt_connect,
.rcvdata = ng_ubt_rcvdata,
.disconnect = ng_ubt_disconnect,
.cmdlist = ng_ubt_cmdlist
};
/* USB methods */
static usb2_callback_t ubt_ctrl_write_callback;
static usb2_callback_t ubt_intr_read_callback;
static usb2_callback_t ubt_intr_read_clear_stall_callback;
static usb2_callback_t ubt_bulk_read_callback;
static usb2_callback_t ubt_bulk_read_clear_stall_callback;
static usb2_callback_t ubt_bulk_write_callback;
static usb2_callback_t ubt_bulk_write_clear_stall_callback;
static usb2_callback_t ubt_isoc_read_callback;
static usb2_callback_t ubt_isoc_write_callback;
static int ubt_modevent(module_t, int, void *);
static void ubt_intr_read_complete(node_p, hook_p, void *, int);
static void ubt_bulk_read_complete(node_p, hook_p, void *, int);
static void ubt_isoc_read_complete(node_p, hook_p, void *, int);
/* USB config */
static const struct usb2_config ubt_config_if_0[UBT_IF_0_N_TRANSFER] = {
[0] = {
.type = UE_BULK,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.mh.bufsize = UBT_BULK_WRITE_BUFFER_SIZE,
.mh.flags = {.pipe_bof = 1,},
.mh.callback = &ubt_bulk_write_callback,
},
[1] = {
.type = UE_BULK,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.mh.bufsize = UBT_BULK_READ_BUFFER_SIZE,
.mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
.mh.callback = &ubt_bulk_read_callback,
},
[2] = {
.type = UE_INTERRUPT,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
.mh.bufsize = 0x110, /* bytes */
.mh.callback = &ubt_intr_read_callback,
},
[3] = {
.type = UE_CONTROL,
.endpoint = 0x00, /* Control pipe */
.direction = UE_DIR_ANY,
.mh.bufsize = (sizeof(struct usb2_device_request) + UBT_CTRL_BUFFER_SIZE),
.mh.callback = &ubt_ctrl_write_callback,
.mh.timeout = 5000, /* 5 seconds */
},
[4] = {
.type = UE_CONTROL,
.endpoint = 0x00, /* Control pipe */
.direction = UE_DIR_ANY,
.mh.bufsize = sizeof(struct usb2_device_request),
.mh.callback = &ubt_bulk_write_clear_stall_callback,
.mh.timeout = 1000, /* 1 second */
.mh.interval = 50, /* 50ms */
},
[5] = {
.type = UE_CONTROL,
.endpoint = 0x00, /* Control pipe */
.direction = UE_DIR_ANY,
.mh.bufsize = sizeof(struct usb2_device_request),
.mh.callback = &ubt_bulk_read_clear_stall_callback,
.mh.timeout = 1000, /* 1 second */
.mh.interval = 50, /* 50ms */
},
[6] = {
.type = UE_CONTROL,
.endpoint = 0x00, /* Control pipe */
.direction = UE_DIR_ANY,
.mh.bufsize = sizeof(struct usb2_device_request),
.mh.callback = &ubt_intr_read_clear_stall_callback,
.mh.timeout = 1000, /* 1 second */
.mh.interval = 50, /* 50ms */
},
};
/* USB config */
static const struct usb2_config
ubt_config_if_1_full_speed[UBT_IF_1_N_TRANSFER] = {
[0] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_read_callback,
},
[1] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_read_callback,
},
[2] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_write_callback,
},
[3] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_write_callback,
},
};
/* USB config */
static const struct usb2_config
ubt_config_if_1_high_speed[UBT_IF_1_N_TRANSFER] = {
[0] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES * 8,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_read_callback,
},
[1] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES * 8,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_read_callback,
},
[2] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES * 8,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_write_callback,
},
[3] = {
.type = UE_ISOCHRONOUS,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.mh.bufsize = 0, /* use "wMaxPacketSize * frames" */
.mh.frames = UBT_ISOC_NFRAMES * 8,
.mh.flags = {.short_xfer_ok = 1,},
.mh.callback = &ubt_isoc_write_callback,
},
};
/*
* Module
*/
DRIVER_MODULE(ng_ubt, ushub, ubt_driver, ubt_devclass, ubt_modevent, 0);
MODULE_VERSION(ng_ubt, NG_BLUETOOTH_VERSION);
MODULE_DEPEND(ng_ubt, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
MODULE_DEPEND(ng_ubt, ng_hci, NG_BLUETOOTH_VERSION, NG_BLUETOOTH_VERSION, NG_BLUETOOTH_VERSION);
MODULE_DEPEND(ng_ubt, usb2_bluetooth, 1, 1, 1);
MODULE_DEPEND(ng_ubt, usb2_core, 1, 1, 1);
/****************************************************************************
****************************************************************************
** USB specific
****************************************************************************
****************************************************************************/
/*
* Load/Unload the driver module
*/
static int
ubt_modevent(module_t mod, int event, void *data)
{
int error;
switch (event) {
case MOD_LOAD:
error = ng_newtype(&typestruct);
if (error != 0) {
printf("%s: Could not register "
"Netgraph node type, error=%d\n",
NG_UBT_NODE_TYPE, error);
}
break;
case MOD_UNLOAD:
error = ng_rmtype(&typestruct);
break;
default:
error = EOPNOTSUPP;
break;
}
return (error);
} /* ubt_modevent */
/*
* If for some reason device should not be attached then put
* VendorID/ProductID pair into the list below. The format is
* as follows:
*
* { VENDOR_ID, PRODUCT_ID },
*
* where VENDOR_ID and PRODUCT_ID are hex numbers.
*/
static const struct usb2_device_id ubt_ignore_devs[] = {
/* AVM USB Bluetooth-Adapter BlueFritz! v1.0 */
{USB_VPI(USB_VENDOR_AVM, 0x2200, 0)},
};
/* List of supported bluetooth devices */
static const struct usb2_device_id ubt_devs[] = {
/* Generic Bluetooth class devices. */
{USB_IFACE_CLASS(UDCLASS_WIRELESS),
USB_IFACE_SUBCLASS(UDSUBCLASS_RF),
USB_IFACE_PROTOCOL(UDPROTO_BLUETOOTH)},
/* AVM USB Bluetooth-Adapter BlueFritz! v2.0 */
{USB_VPI(USB_VENDOR_AVM, 0x3800, 0)},
};
/*
* Probe for a USB Bluetooth device
*/
static int
ubt_probe(device_t dev)
{
struct usb2_attach_arg *uaa = device_get_ivars(dev);
if (uaa->usb2_mode != USB_MODE_HOST) {
return (ENXIO);
}
if (uaa->info.bIfaceIndex != 0) {
return (ENXIO);
}
if (usb2_lookup_id_by_uaa(ubt_ignore_devs,
sizeof(ubt_ignore_devs), uaa) == 0) {
return (ENXIO);
}
return (usb2_lookup_id_by_uaa(ubt_devs, sizeof(ubt_devs), uaa));
}
/*
* Attach the device
*/
static int
ubt_attach(device_t dev)
{
struct usb2_attach_arg *uaa = device_get_ivars(dev);
struct ubt_softc *sc = device_get_softc(dev);
const struct usb2_config *isoc_setup;
struct usb2_endpoint_descriptor *ed;
uint16_t wMaxPacketSize;
uint8_t alt_index;
uint8_t iface_index;
uint8_t i;
uint8_t j;
device_set_usb2_desc(dev);
snprintf(sc->sc_name, sizeof(sc->sc_name),
"%s", device_get_nameunit(dev));
/*
* Initialize device softc structure
*/
/* state */
sc->sc_debug = NG_UBT_WARN_LEVEL;
sc->sc_flags = 0;
NG_UBT_STAT_RESET(sc->sc_stat);
/* control pipe */
NG_BT_MBUFQ_INIT(&sc->sc_cmdq, UBT_DEFAULT_QLEN);
/* bulk-out pipe */
NG_BT_MBUFQ_INIT(&sc->sc_aclq, UBT_DEFAULT_QLEN);
/* isoc-out pipe */
NG_BT_MBUFQ_INIT(&sc->sc_scoq,
(usb2_get_speed(uaa->device) == USB_SPEED_HIGH) ?
(2 * UBT_ISOC_NFRAMES * 8) :
(2 * UBT_ISOC_NFRAMES));
/* isoc-in pipe */
NG_BT_MBUFQ_INIT(&sc->sc_sciq,
(usb2_get_speed(uaa->device) == USB_SPEED_HIGH) ?
(2 * UBT_ISOC_NFRAMES * 8) :
(2 * UBT_ISOC_NFRAMES));
/* netgraph part */
sc->sc_node = NULL;
sc->sc_hook = NULL;
/*
* Configure Bluetooth USB device. Discover all required USB
* interfaces and endpoints.
*
* USB device must present two interfaces:
* 1) Interface 0 that has 3 endpoints
* 1) Interrupt endpoint to receive HCI events
* 2) Bulk IN endpoint to receive ACL data
* 3) Bulk OUT endpoint to send ACL data
*
* 2) Interface 1 then has 2 endpoints
* 1) Isochronous IN endpoint to receive SCO data
* 2) Isochronous OUT endpoint to send SCO data
*
* Interface 1 (with isochronous endpoints) has several alternate
* configurations with different packet size.
*/
/*
* Interface 0
*/
mtx_init(&sc->sc_mtx, "ubt lock", NULL, MTX_DEF | MTX_RECURSE);
iface_index = 0;
if (usb2_transfer_setup
(uaa->device, &iface_index, sc->sc_xfer_if_0, ubt_config_if_0,
UBT_IF_0_N_TRANSFER, sc, &sc->sc_mtx)) {
device_printf(dev, "Could not allocate transfers "
"for interface 0!\n");
goto detach;
}
/*
* Interface 1
* (search alternate settings, and find
* the descriptor with the largest
* wMaxPacketSize)
*/
isoc_setup =
((usb2_get_speed(uaa->device) == USB_SPEED_HIGH) ?
ubt_config_if_1_high_speed :
ubt_config_if_1_full_speed);
wMaxPacketSize = 0;
/* search through all the descriptors looking for bidir mode */
alt_index = 0 - 1;
i = 0;
j = 0;
while (1) {
uint16_t temp;
ed = usb2_find_edesc(
usb2_get_config_descriptor(uaa->device), 1, i, j);
if (ed == NULL) {
if (j == 0) {
/* end of interfaces */
break;
} else {
/* next interface */
j = 0;
i++;
continue;
}
}
temp = UGETW(ed->wMaxPacketSize);
if (temp > wMaxPacketSize) {
wMaxPacketSize = temp;
alt_index = i;
}
j++;
}
if (usb2_set_alt_interface_index(uaa->device, 1, alt_index)) {
device_printf(dev, "Could not set alternate "
"setting %d for interface 1!\n", alt_index);
goto detach;
}
iface_index = 1;
if (usb2_transfer_setup
(uaa->device, &iface_index, sc->sc_xfer_if_1,
isoc_setup, UBT_IF_1_N_TRANSFER, sc, &sc->sc_mtx)) {
device_printf(dev, "Could not allocate transfers "
"for interface 1!\n");
goto detach;
}
/* create Netgraph node */
if (ng_make_node_common(&typestruct, &sc->sc_node) != 0) {
printf("%s: Could not create Netgraph node\n",
sc->sc_name);
sc->sc_node = NULL;
goto detach;
}
/* name node */
if (ng_name_node(sc->sc_node, sc->sc_name) != 0) {
printf("%s: Could not name Netgraph node\n",
sc->sc_name);
NG_NODE_UNREF(sc->sc_node);
sc->sc_node = NULL;
goto detach;
}
NG_NODE_SET_PRIVATE(sc->sc_node, sc);
NG_NODE_FORCE_WRITER(sc->sc_node);
/* claim all interfaces on the device */
for (i = 1;; i++) {
if (usb2_get_iface(uaa->device, i) == NULL) {
break;
}
usb2_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
}
return (0); /* success */
detach:
ubt_detach(dev);
return (ENXIO);
}
/*
* Detach the device
*/
int
ubt_detach(device_t dev)
{
struct ubt_softc *sc = device_get_softc(dev);
/* destroy Netgraph node */
if (sc->sc_node != NULL) {
NG_NODE_SET_PRIVATE(sc->sc_node, NULL);
ng_rmnode_self(sc->sc_node);
sc->sc_node = NULL;
}
/* free USB transfers, if any */
usb2_transfer_unsetup(sc->sc_xfer_if_0, UBT_IF_0_N_TRANSFER);
usb2_transfer_unsetup(sc->sc_xfer_if_1, UBT_IF_1_N_TRANSFER);
mtx_destroy(&sc->sc_mtx);
/* destroy queues */
NG_BT_MBUFQ_DESTROY(&sc->sc_cmdq);
NG_BT_MBUFQ_DESTROY(&sc->sc_aclq);
NG_BT_MBUFQ_DESTROY(&sc->sc_scoq);
NG_BT_MBUFQ_DESTROY(&sc->sc_sciq);
return (0);
}
static void
ubt_ctrl_write_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct usb2_device_request req;
struct mbuf *m;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
tr_transferred:
if (xfer->error) {
NG_UBT_STAT_OERROR(sc->sc_stat);
} else {
NG_UBT_STAT_BYTES_SENT(sc->sc_stat, xfer->actlen);
NG_UBT_STAT_PCKTS_SENT(sc->sc_stat);
}
case USB_ST_SETUP:
/* get next mbuf, if any */
NG_BT_MBUFQ_DEQUEUE(&sc->sc_cmdq, m);
if (m == NULL) {
NG_UBT_INFO(sc, "HCI command queue is empty\n");
return;
}
/*
* check HCI command frame size and
* copy it to USB transfer buffer:
*/
if (m->m_pkthdr.len > UBT_CTRL_BUFFER_SIZE) {
panic("HCI command frame too big, size=%zd, len=%d\n",
UBT_CTRL_BUFFER_SIZE, m->m_pkthdr.len);
}
/* initialize a USB control request and then schedule it */
bzero(&req, sizeof(req));
req.bmRequestType = UBT_HCI_REQUEST;
USETW(req.wLength, m->m_pkthdr.len);
NG_UBT_INFO(sc, "Sending control request, bmRequestType=0x%02x, "
"wLength=%d\n", req.bmRequestType, UGETW(req.wLength));
usb2_copy_in(xfer->frbuffers, 0, &req, sizeof(req));
usb2_m_copy_in(xfer->frbuffers + 1, 0, m, 0, m->m_pkthdr.len);
xfer->frlengths[0] = sizeof(req);
xfer->frlengths[1] = m->m_pkthdr.len;
xfer->nframes = xfer->frlengths[1] ? 2 : 1;
NG_FREE_M(m);
usb2_start_hardware(xfer);
return;
default: /* Error */
if (xfer->error == USB_ERR_CANCELLED) {
/* ignore */
return;
}
goto tr_transferred;
}
}
static void
ubt_intr_read_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct mbuf *m;
uint32_t max_len;
uint8_t *ptr;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
/* allocate a new mbuf */
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m == NULL) {
goto tr_setup;
}
MCLGET(m, M_DONTWAIT);
if (!(m->m_flags & M_EXT)) {
NG_FREE_M(m);
goto tr_setup;
}
if (!(sc->sc_flags & UBT_HAVE_FRAME_TYPE)) {
*mtod(m, uint8_t *)= NG_HCI_EVENT_PKT;
m->m_pkthdr.len = m->m_len = 1;
} else {
m->m_pkthdr.len = m->m_len = 0;
}
max_len = (MCLBYTES - m->m_len);
if (xfer->actlen > max_len) {
xfer->actlen = max_len;
}
ptr = ((uint8_t *)(m->m_data)) + m->m_len;
usb2_copy_out(xfer->frbuffers, 0, ptr, xfer->actlen);
m->m_pkthdr.len += xfer->actlen;
m->m_len += xfer->actlen;
NG_UBT_INFO(sc, "got %d bytes from interrupt "
"pipe\n", xfer->actlen);
sc->sc_intr_buffer = m;
case USB_ST_SETUP:
tr_setup:
if (sc->sc_intr_buffer) {
ng_send_fn(sc->sc_node, NULL, ubt_intr_read_complete, NULL, 0);
return;
}
if (sc->sc_flags & UBT_FLAG_INTR_STALL) {
usb2_transfer_start(sc->sc_xfer_if_0[6]);
return;
}
xfer->frlengths[0] = xfer->max_data_length;
usb2_start_hardware(xfer);
return;
default: /* Error */
if (xfer->error != USB_ERR_CANCELLED) {
/* try to clear stall first */
sc->sc_flags |= UBT_FLAG_INTR_STALL;
usb2_transfer_start(sc->sc_xfer_if_0[6]);
}
return;
}
}
static void
ubt_intr_read_clear_stall_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct usb2_xfer *xfer_other = sc->sc_xfer_if_0[2];
if (usb2_clear_stall_callback(xfer, xfer_other)) {
DPRINTF("stall cleared\n");
sc->sc_flags &= ~UBT_FLAG_INTR_STALL;
usb2_transfer_start(xfer_other);
}
}
static void
ubt_intr_read_complete(node_p node, hook_p hook, void *arg1, int arg2)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(node);
struct mbuf *m;
ng_hci_event_pkt_t *hdr;
int error;
if (sc == NULL) {
return;
}
mtx_lock(&sc->sc_mtx);
m = sc->sc_intr_buffer;
if (m) {
sc->sc_intr_buffer = NULL;
hdr = mtod(m, ng_hci_event_pkt_t *);
if ((sc->sc_hook == NULL) || NG_HOOK_NOT_VALID(sc->sc_hook)) {
NG_UBT_INFO(sc, "No upstream hook\n");
goto done;
}
NG_UBT_STAT_BYTES_RECV(sc->sc_stat, m->m_pkthdr.len);
if (m->m_pkthdr.len < sizeof(*hdr)) {
NG_UBT_INFO(sc, "Packet too short\n");
goto done;
}
if (hdr->length == (m->m_pkthdr.len - sizeof(*hdr))) {
NG_UBT_INFO(sc, "Got complete HCI event frame, "
"pktlen=%d, length=%d\n",
m->m_pkthdr.len, hdr->length);
NG_UBT_STAT_PCKTS_RECV(sc->sc_stat);
NG_SEND_DATA_ONLY(error, sc->sc_hook, m);
m = NULL;
if (error != 0) {
NG_UBT_STAT_IERROR(sc->sc_stat);
}
} else {
NG_UBT_ERR(sc, "Invalid HCI event frame size, "
"length=%d, pktlen=%d\n",
hdr->length, m->m_pkthdr.len);
NG_UBT_STAT_IERROR(sc->sc_stat);
}
}
done:
if (m) {
NG_FREE_M(m);
}
/* start USB transfer if not already started */
usb2_transfer_start(sc->sc_xfer_if_0[2]);
mtx_unlock(&sc->sc_mtx);
}
static void
ubt_bulk_read_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct mbuf *m;
uint32_t max_len;
uint8_t *ptr;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
/* allocate new mbuf */
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m == NULL) {
goto tr_setup;
}
MCLGET(m, M_DONTWAIT);
if (!(m->m_flags & M_EXT)) {
NG_FREE_M(m);
goto tr_setup;
}
if (!(sc->sc_flags & UBT_HAVE_FRAME_TYPE)) {
*mtod(m, uint8_t *)= NG_HCI_ACL_DATA_PKT;
m->m_pkthdr.len = m->m_len = 1;
} else {
m->m_pkthdr.len = m->m_len = 0;
}
max_len = (MCLBYTES - m->m_len);
if (xfer->actlen > max_len) {
xfer->actlen = max_len;
}
ptr = ((uint8_t *)(m->m_data)) + m->m_len;
usb2_copy_out(xfer->frbuffers, 0, ptr, xfer->actlen);
m->m_pkthdr.len += xfer->actlen;
m->m_len += xfer->actlen;
NG_UBT_INFO(sc, "got %d bytes from bulk-in "
"pipe\n", xfer->actlen);
sc->sc_bulk_in_buffer = m;
case USB_ST_SETUP:
tr_setup:
if (sc->sc_bulk_in_buffer) {
ng_send_fn(sc->sc_node, NULL, ubt_bulk_read_complete, NULL, 0);
return;
}
if (sc->sc_flags & UBT_FLAG_READ_STALL) {
usb2_transfer_start(sc->sc_xfer_if_0[5]);
return;
}
xfer->frlengths[0] = xfer->max_data_length;
usb2_start_hardware(xfer);
return;
default: /* Error */
if (xfer->error != USB_ERR_CANCELLED) {
/* try to clear stall first */
sc->sc_flags |= UBT_FLAG_READ_STALL;
usb2_transfer_start(sc->sc_xfer_if_0[5]);
}
return;
}
}
static void
ubt_bulk_read_clear_stall_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct usb2_xfer *xfer_other = sc->sc_xfer_if_0[1];
if (usb2_clear_stall_callback(xfer, xfer_other)) {
DPRINTF("stall cleared\n");
sc->sc_flags &= ~UBT_FLAG_READ_STALL;
usb2_transfer_start(xfer_other);
}
}
static void
ubt_bulk_read_complete(node_p node, hook_p hook, void *arg1, int arg2)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(node);
struct mbuf *m;
ng_hci_acldata_pkt_t *hdr;
uint16_t len;
int error;
if (sc == NULL) {
return;
}
mtx_lock(&sc->sc_mtx);
m = sc->sc_bulk_in_buffer;
if (m) {
sc->sc_bulk_in_buffer = NULL;
hdr = mtod(m, ng_hci_acldata_pkt_t *);
if (sc->sc_hook == NULL || NG_HOOK_NOT_VALID(sc->sc_hook)) {
NG_UBT_INFO(sc, "No upstream hook\n");
goto done;
}
NG_UBT_STAT_BYTES_RECV(sc->sc_stat, m->m_pkthdr.len);
if (m->m_pkthdr.len < sizeof(*hdr)) {
NG_UBT_INFO(sc, "Packet too short\n");
goto done;
}
len = le16toh(hdr->length);
if (len == (m->m_pkthdr.len - sizeof(*hdr))) {
NG_UBT_INFO(sc, "Got complete ACL data frame, "
"pktlen=%d, length=%d\n",
m->m_pkthdr.len, len);
NG_UBT_STAT_PCKTS_RECV(sc->sc_stat);
NG_SEND_DATA_ONLY(error, sc->sc_hook, m);
m = NULL;
if (error != 0) {
NG_UBT_STAT_IERROR(sc->sc_stat);
}
} else {
NG_UBT_ERR(sc, "Invalid ACL frame size, "
"length=%d, pktlen=%d\n",
len, m->m_pkthdr.len);
NG_UBT_STAT_IERROR(sc->sc_stat);
}
}
done:
if (m) {
NG_FREE_M(m);
}
/* start USB transfer if not already started */
usb2_transfer_start(sc->sc_xfer_if_0[1]);
mtx_unlock(&sc->sc_mtx);
}
static void
ubt_bulk_write_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct mbuf *m;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
NG_UBT_INFO(sc, "sent %d bytes to bulk-out "
"pipe\n", xfer->actlen);
NG_UBT_STAT_BYTES_SENT(sc->sc_stat, xfer->actlen);
NG_UBT_STAT_PCKTS_SENT(sc->sc_stat);
case USB_ST_SETUP:
if (sc->sc_flags & UBT_FLAG_WRITE_STALL) {
usb2_transfer_start(sc->sc_xfer_if_0[4]);
return;
}
/* get next mbuf, if any */
NG_BT_MBUFQ_DEQUEUE(&sc->sc_aclq, m);
if (m == NULL) {
NG_UBT_INFO(sc, "ACL data queue is empty\n");
return;
}
/*
* check ACL data frame size and
* copy it back to a linear USB
* transfer buffer:
*/
if (m->m_pkthdr.len > UBT_BULK_WRITE_BUFFER_SIZE) {
panic("ACL data frame too big, size=%d, len=%d\n",
UBT_BULK_WRITE_BUFFER_SIZE,
m->m_pkthdr.len);
}
usb2_m_copy_in(xfer->frbuffers, 0, m, 0, m->m_pkthdr.len);
NG_UBT_INFO(sc, "bulk-out transfer has been started, "
"len=%d\n", m->m_pkthdr.len);
xfer->frlengths[0] = m->m_pkthdr.len;
NG_FREE_M(m);
usb2_start_hardware(xfer);
return;
default: /* Error */
if (xfer->error != USB_ERR_CANCELLED) {
NG_UBT_WARN(sc, "bulk-out transfer failed: %s\n",
usb2_errstr(xfer->error));
NG_UBT_STAT_OERROR(sc->sc_stat);
/* try to clear stall first */
sc->sc_flags |= UBT_FLAG_WRITE_STALL;
usb2_transfer_start(sc->sc_xfer_if_0[4]);
}
return;
}
}
static void
ubt_bulk_write_clear_stall_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct usb2_xfer *xfer_other = sc->sc_xfer_if_0[0];
if (usb2_clear_stall_callback(xfer, xfer_other)) {
DPRINTF("stall cleared\n");
sc->sc_flags &= ~UBT_FLAG_WRITE_STALL;
usb2_transfer_start(xfer_other);
}
}
static void
ubt_isoc_read_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
ng_hci_scodata_pkt_t hdr;
struct mbuf *m;
uint8_t *ptr;
uint32_t max_len;
uint32_t n;
uint32_t offset;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
tr_transferred:
offset = 0;
for (n = 0; n < xfer->nframes; n++) {
if (xfer->frlengths[n] >= sizeof(hdr)) {
usb2_copy_out(xfer->frbuffers, offset,
&hdr, sizeof(hdr));
if (hdr.length == (xfer->frlengths[n] - sizeof(hdr))) {
NG_UBT_INFO(sc, "got complete SCO data "
"frame, length=%d\n", hdr.length);
if (!NG_BT_MBUFQ_FULL(&sc->sc_sciq)) {
/* allocate a new mbuf */
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m == NULL) {
goto tr_setup;
}
MCLGET(m, M_DONTWAIT);
if (!(m->m_flags & M_EXT)) {
NG_FREE_M(m);
goto tr_setup;
}
/*
* fix SCO data frame header
* if required
*/
if (!(sc->sc_flags & UBT_HAVE_FRAME_TYPE)) {
*mtod(m, uint8_t *)= NG_HCI_SCO_DATA_PKT;
m->m_pkthdr.len = m->m_len = 1;
} else {
m->m_pkthdr.len = m->m_len = 0;
}
max_len = (MCLBYTES - m->m_len);
if (xfer->frlengths[n] > max_len) {
xfer->frlengths[n] = max_len;
}
ptr = ((uint8_t *)(m->m_data)) + m->m_len;
usb2_copy_out
(xfer->frbuffers, offset,
ptr, xfer->frlengths[n]);
m->m_pkthdr.len += xfer->frlengths[n];
m->m_len += xfer->frlengths[n];
NG_BT_MBUFQ_ENQUEUE(&sc->sc_sciq, m);
}
}
}
offset += xfer->max_frame_size;
}
case USB_ST_SETUP:
tr_setup:
if (NG_BT_MBUFQ_LEN(&sc->sc_sciq) > 0) {
ng_send_fn(sc->sc_node, NULL, ubt_isoc_read_complete, NULL, 0);
}
for (n = 0; n < xfer->nframes; n++) {
xfer->frlengths[n] = xfer->max_frame_size;
}
usb2_start_hardware(xfer);
return;
default: /* Error */
if (xfer->error == USB_ERR_CANCELLED) {
/* ignore */
return;
}
goto tr_transferred;
}
}
static void
ubt_isoc_read_complete(node_p node, hook_p hook, void *arg1, int arg2)
{
ubt_softc_p sc = NG_NODE_PRIVATE(node);
struct mbuf *m;
int error;
if (sc == NULL) {
return;
}
mtx_lock(&sc->sc_mtx);
while (1) {
NG_BT_MBUFQ_DEQUEUE(&sc->sc_sciq, m);
if (m == NULL) {
break;
}
if (sc->sc_hook == NULL || NG_HOOK_NOT_VALID(sc->sc_hook)) {
NG_UBT_INFO(sc, "No upstream hook\n");
goto done;
}
NG_UBT_INFO(sc, "Got complete SCO data frame, "
"pktlen=%d bytes\n", m->m_pkthdr.len);
NG_UBT_STAT_PCKTS_RECV(sc->sc_stat);
NG_UBT_STAT_BYTES_RECV(sc->sc_stat, m->m_pkthdr.len);
NG_SEND_DATA_ONLY(error, sc->sc_hook, m);
m = NULL;
if (error) {
NG_UBT_STAT_IERROR(sc->sc_stat);
}
done:
if (m) {
NG_FREE_M(m);
}
}
mtx_unlock(&sc->sc_mtx);
}
static void
ubt_isoc_write_callback(struct usb2_xfer *xfer)
{
struct ubt_softc *sc = xfer->priv_sc;
struct mbuf *m;
uint32_t n;
uint32_t len;
uint32_t offset;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
tr_transferred:
if (xfer->error) {
NG_UBT_STAT_OERROR(sc->sc_stat);
} else {
NG_UBT_STAT_BYTES_SENT(sc->sc_stat, xfer->actlen);
NG_UBT_STAT_PCKTS_SENT(sc->sc_stat);
}
case USB_ST_SETUP:
offset = 0;
for (n = 0; n < xfer->nframes; n++) {
NG_BT_MBUFQ_DEQUEUE(&sc->sc_scoq, m);
if (m) {
len = min(xfer->max_frame_size, m->m_pkthdr.len);
usb2_m_copy_in(xfer->frbuffers, offset, m, 0, len);
NG_FREE_M(m);
xfer->frlengths[n] = len;
offset += len;
} else {
xfer->frlengths[n] = 0;
}
}
usb2_start_hardware(xfer);
return;
default: /* Error */
if (xfer->error == USB_ERR_CANCELLED) {
/* ignore */
return;
}
goto tr_transferred;
}
}
/****************************************************************************
****************************************************************************
** Netgraph specific
****************************************************************************
****************************************************************************/
/*
* Netgraph node constructor.
* Do not allow to create node of this type:
*/
static int
ng_ubt_constructor(node_p node)
{
return (EINVAL);
}
/*
* Netgraph node destructor.
* Destroy node only when device has been detached:
*/
static int
ng_ubt_shutdown(node_p node)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(node);
/* Let old node go */
NG_NODE_SET_PRIVATE(node, NULL);
NG_NODE_UNREF(node);
if (sc == NULL) {
goto done;
}
mtx_lock(&sc->sc_mtx);
/* Create Netgraph node */
if (ng_make_node_common(&typestruct, &sc->sc_node) != 0) {
printf("%s: Could not create Netgraph node\n",
sc->sc_name);
sc->sc_node = NULL;
goto done;
}
/* Name node */
if (ng_name_node(sc->sc_node, sc->sc_name) != 0) {
printf("%s: Could not name Netgraph node\n",
sc->sc_name);
NG_NODE_UNREF(sc->sc_node);
sc->sc_node = NULL;
goto done;
}
NG_NODE_SET_PRIVATE(sc->sc_node, sc);
NG_NODE_FORCE_WRITER(sc->sc_node);
done:
if (sc) {
mtx_unlock(&sc->sc_mtx);
}
return (0);
}
/*
* Create new hook.
* There can only be one.
*/
static int
ng_ubt_newhook(node_p node, hook_p hook, char const *name)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(node);
int error = 0;
if (strcmp(name, NG_UBT_HOOK) != 0) {
return (EINVAL);
}
mtx_lock(&sc->sc_mtx);
if (sc->sc_hook != NULL) {
error = EISCONN;
} else {
sc->sc_hook = hook;
}
mtx_unlock(&sc->sc_mtx);
return (error);
}
/*
* Connect hook.
* Start incoming USB transfers
*/
static int
ng_ubt_connect(hook_p hook)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(NG_HOOK_NODE(hook));
NG_HOOK_FORCE_QUEUE(NG_HOOK_PEER(hook));
mtx_lock(&sc->sc_mtx);
sc->sc_flags |= (UBT_FLAG_READ_STALL |
UBT_FLAG_WRITE_STALL |
UBT_FLAG_INTR_STALL);
/* start intr transfer */
usb2_transfer_start(sc->sc_xfer_if_0[2]);
/* start bulk-in transfer */
usb2_transfer_start(sc->sc_xfer_if_0[1]);
/* start bulk-out transfer */
usb2_transfer_start(sc->sc_xfer_if_0[0]);
/* start control-out transfer */
usb2_transfer_start(sc->sc_xfer_if_0[3]);
#if 0
XXX can enable this XXX
/* start isoc-in transfer */
usb2_transfer_start(sc->sc_xfer_if_1[0]);
usb2_transfer_start(sc->sc_xfer_if_1[1]);
/* start isoc-out transfer */
usb2_transfer_start(sc->sc_xfer_if_1[2]);
usb2_transfer_start(sc->sc_xfer_if_1[3]);
#endif
mtx_unlock(&sc->sc_mtx);
return (0);
}
/*
* Disconnect hook
*/
static int
ng_ubt_disconnect(hook_p hook)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(NG_HOOK_NODE(hook));
int error = 0;
if (sc != NULL) {
mtx_lock(&sc->sc_mtx);
if (hook != sc->sc_hook) {
error = EINVAL;
} else {
/* stop intr transfer */
usb2_transfer_stop(sc->sc_xfer_if_0[2]);
usb2_transfer_stop(sc->sc_xfer_if_0[6]);
/* stop bulk-in transfer */
usb2_transfer_stop(sc->sc_xfer_if_0[1]);
usb2_transfer_stop(sc->sc_xfer_if_0[5]);
/* stop bulk-out transfer */
usb2_transfer_stop(sc->sc_xfer_if_0[0]);
usb2_transfer_stop(sc->sc_xfer_if_0[4]);
/* stop control transfer */
usb2_transfer_stop(sc->sc_xfer_if_0[3]);
/* stop isoc-in transfer */
usb2_transfer_stop(sc->sc_xfer_if_1[0]);
usb2_transfer_stop(sc->sc_xfer_if_1[1]);
/* stop isoc-out transfer */
usb2_transfer_stop(sc->sc_xfer_if_1[2]);
usb2_transfer_stop(sc->sc_xfer_if_1[3]);
/* cleanup queues */
NG_BT_MBUFQ_DRAIN(&sc->sc_cmdq);
NG_BT_MBUFQ_DRAIN(&sc->sc_aclq);
NG_BT_MBUFQ_DRAIN(&sc->sc_scoq);
NG_BT_MBUFQ_DRAIN(&sc->sc_sciq);
sc->sc_hook = NULL;
}
mtx_unlock(&sc->sc_mtx);
}
return (error);
}
/*
* Process control message
*/
static int
ng_ubt_rcvmsg(node_p node, item_p item, hook_p lasthook)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(node);
struct ng_mesg *msg = NULL, *rsp = NULL;
struct ng_bt_mbufq *q = NULL;
int error = 0, queue, qlen;
if (sc == NULL) {
NG_FREE_ITEM(item);
return (EHOSTDOWN);
}
mtx_lock(&sc->sc_mtx);
NGI_GET_MSG(item, msg);
switch (msg->header.typecookie) {
case NGM_GENERIC_COOKIE:
switch (msg->header.cmd) {
case NGM_TEXT_STATUS:
NG_MKRESPONSE(rsp, msg, NG_TEXTRESPONSE, M_NOWAIT);
if (rsp == NULL)
error = ENOMEM;
else
snprintf(rsp->data, NG_TEXTRESPONSE,
"Hook: %s\n" \
"Flags: %#x\n" \
"Debug: %d\n" \
"CMD queue: [have:%d,max:%d]\n" \
"ACL queue: [have:%d,max:%d]\n" \
"SCO queue: [have:%d,max:%d]",
(sc->sc_hook != NULL) ? NG_UBT_HOOK : "",
sc->sc_flags,
sc->sc_debug,
NG_BT_MBUFQ_LEN(&sc->sc_cmdq),
sc->sc_cmdq.maxlen,
NG_BT_MBUFQ_LEN(&sc->sc_aclq),
sc->sc_aclq.maxlen,
NG_BT_MBUFQ_LEN(&sc->sc_scoq),
sc->sc_scoq.maxlen);
break;
default:
error = EINVAL;
break;
}
break;
case NGM_UBT_COOKIE:
switch (msg->header.cmd) {
case NGM_UBT_NODE_SET_DEBUG:
if (msg->header.arglen != sizeof(ng_ubt_node_debug_ep))
error = EMSGSIZE;
else
sc->sc_debug =
*((ng_ubt_node_debug_ep *) (msg->data));
break;
case NGM_UBT_NODE_GET_DEBUG:
NG_MKRESPONSE(rsp, msg, sizeof(ng_ubt_node_debug_ep),
M_NOWAIT);
if (rsp == NULL)
error = ENOMEM;
else
*((ng_ubt_node_debug_ep *) (rsp->data)) =
sc->sc_debug;
break;
case NGM_UBT_NODE_SET_QLEN:
if (msg->header.arglen != sizeof(ng_ubt_node_qlen_ep))
error = EMSGSIZE;
else {
queue = ((ng_ubt_node_qlen_ep *)
(msg->data))->queue;
qlen = ((ng_ubt_node_qlen_ep *)
(msg->data))->qlen;
if (qlen <= 0) {
error = EINVAL;
break;
}
switch (queue) {
case NGM_UBT_NODE_QUEUE_CMD:
q = &sc->sc_cmdq;
break;
case NGM_UBT_NODE_QUEUE_ACL:
q = &sc->sc_aclq;
break;
case NGM_UBT_NODE_QUEUE_SCO:
q = &sc->sc_scoq;
break;
default:
q = NULL;
error = EINVAL;
break;
}
if (q != NULL) {
q->maxlen = qlen;
}
}
break;
case NGM_UBT_NODE_GET_QLEN:
if (msg->header.arglen != sizeof(ng_ubt_node_qlen_ep)) {
error = EMSGSIZE;
break;
}
queue = ((ng_ubt_node_qlen_ep *) (msg->data))->queue;
switch (queue) {
case NGM_UBT_NODE_QUEUE_CMD:
q = &sc->sc_cmdq;
break;
case NGM_UBT_NODE_QUEUE_ACL:
q = &sc->sc_aclq;
break;
case NGM_UBT_NODE_QUEUE_SCO:
q = &sc->sc_scoq;
break;
default:
q = NULL;
error = EINVAL;
break;
}
if (q != NULL) {
NG_MKRESPONSE(rsp, msg,
sizeof(ng_ubt_node_qlen_ep), M_NOWAIT);
if (rsp == NULL) {
error = ENOMEM;
break;
}
((ng_ubt_node_qlen_ep *) (rsp->data))->queue =
queue;
((ng_ubt_node_qlen_ep *) (rsp->data))->qlen =
q->maxlen;
}
break;
case NGM_UBT_NODE_GET_STAT:
NG_MKRESPONSE(rsp, msg, sizeof(ng_ubt_node_stat_ep),
M_NOWAIT);
if (rsp == NULL)
error = ENOMEM;
else {
bcopy(&sc->sc_stat, rsp->data,
sizeof(ng_ubt_node_stat_ep));
}
break;
case NGM_UBT_NODE_RESET_STAT:
NG_UBT_STAT_RESET(sc->sc_stat);
break;
default:
error = EINVAL;
break;
}
break;
default:
error = EINVAL;
break;
}
NG_RESPOND_MSG(error, node, item, rsp);
NG_FREE_MSG(msg);
mtx_unlock(&sc->sc_mtx);
return (error);
}
/*
* Process data
*/
static int
ng_ubt_rcvdata(hook_p hook, item_p item)
{
struct ubt_softc *sc = NG_NODE_PRIVATE(NG_HOOK_NODE(hook));
struct mbuf *m;
struct ng_bt_mbufq *q;
struct usb2_xfer *xfer;
int error = 0;
if (sc == NULL) {
error = EHOSTDOWN;
goto done;
}
mtx_lock(&sc->sc_mtx);
if (hook != sc->sc_hook) {
error = EINVAL;
goto done;
}
/* deatch mbuf and get HCI frame type */
NGI_GET_M(item, m);
/* process HCI frame */
switch (*mtod(m, uint8_t *)) { /* XXX call m_pullup ? */
case NG_HCI_CMD_PKT:
xfer = sc->sc_xfer_if_0[3];
q = &sc->sc_cmdq;
break;
case NG_HCI_ACL_DATA_PKT:
xfer = sc->sc_xfer_if_0[0];
q = &sc->sc_aclq;
break;
case NG_HCI_SCO_DATA_PKT:
xfer = NULL;
q = &sc->sc_scoq;
break;
default:
NG_UBT_ERR(sc, "Dropping unsupported HCI frame, "
"type=0x%02x, pktlen=%d\n",
*mtod(m, uint8_t *),
m->m_pkthdr.len);
NG_FREE_M(m);
error = EINVAL;
goto done;
}
/* loose frame type, if required */
if (!(sc->sc_flags & UBT_NEED_FRAME_TYPE)) {
m_adj(m, sizeof(uint8_t));
}
if (NG_BT_MBUFQ_FULL(q)) {
NG_UBT_ERR(sc, "Dropping HCI frame 0x%02x, len=%d. "
"Queue full\n", *mtod(m, uint8_t *),
m->m_pkthdr.len);
NG_FREE_M(m);
} else {
NG_BT_MBUFQ_ENQUEUE(q, m);
}
if (xfer) {
usb2_transfer_start(xfer);
}
done:
NG_FREE_ITEM(item);
if (sc) {
mtx_unlock(&sc->sc_mtx);
}
return (error);
}
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