/*
* ng_ubt_var.h
*/
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2001-2009 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_var.h,v 1.2 2003/03/22 23:44:36 max Exp $
*/
#ifndef _NG_UBT_VAR_H_
#define _NG_UBT_VAR_H_ 1
/* Debug printf's */
#define UBT_DEBUG(level, sc, fmt, ...) \
do { \
if ((sc)->sc_debug >= (level)) \
device_printf((sc)->sc_dev, "%s:%d: " fmt, \
__FUNCTION__, __LINE__,## __VA_ARGS__); \
} while (0)
#define UBT_ALERT(...) UBT_DEBUG(NG_UBT_ALERT_LEVEL, __VA_ARGS__)
#define UBT_ERR(...) UBT_DEBUG(NG_UBT_ERR_LEVEL, __VA_ARGS__)
#define UBT_WARN(...) UBT_DEBUG(NG_UBT_WARN_LEVEL, __VA_ARGS__)
#define UBT_INFO(...) UBT_DEBUG(NG_UBT_INFO_LEVEL, __VA_ARGS__)
#define UBT_NG_LOCK(sc) mtx_lock(&(sc)->sc_ng_mtx)
#define UBT_NG_UNLOCK(sc) mtx_unlock(&(sc)->sc_ng_mtx)
/* Bluetooth USB control request type */
#define UBT_HCI_REQUEST 0x20
#define UBT_DEFAULT_QLEN 64
#define UBT_ISOC_NFRAMES 32 /* should be factor of 8 */
/* Bluetooth USB defines */
enum {
/* Interface #0 transfers */
UBT_IF_0_BULK_DT_WR = 0,
UBT_IF_0_BULK_DT_RD,
UBT_IF_0_INTR_DT_RD,
UBT_IF_0_CTRL_DT_WR,
/* Interface #1 transfers */
UBT_IF_1_ISOC_DT_RD1,
UBT_IF_1_ISOC_DT_RD2,
UBT_IF_1_ISOC_DT_WR1,
UBT_IF_1_ISOC_DT_WR2,
UBT_N_TRANSFER, /* total number of transfers */
};
/* USB control request (HCI command) structure */
struct ubt_hci_cmd {
uint16_t opcode;
uint8_t length;
uint8_t data[];
} __attribute__ ((packed));
#define UBT_HCI_CMD_SIZE(cmd) \
((cmd)->length + offsetof(struct ubt_hci_cmd, data))
/* USB interrupt transfer HCI event header structure */
struct ubt_hci_evhdr {
uint8_t event;
uint8_t length;
} __attribute__ ((packed));
/* USB interrupt transfer (generic HCI event) structure */
struct ubt_hci_event {
struct ubt_hci_evhdr header;
uint8_t data[];
} __attribute__ ((packed));
/* USB interrupt transfer (HCI command completion event) structure */
struct ubt_hci_event_command_compl {
struct ubt_hci_evhdr header;
uint8_t numpkt;
uint16_t opcode;
uint8_t data[];
} __attribute__ ((packed));
#define UBT_HCI_EVENT_SIZE(evt) \
((evt)->header.length + offsetof(struct ubt_hci_event, data))
#define UBT_HCI_EVENT_COMPL_HEAD_SIZE \
(offsetof(struct ubt_hci_event_command_compl, data) - \
offsetof(struct ubt_hci_event_command_compl, numpkt))
/* USB device softc structure */
struct ubt_softc {
device_t sc_dev; /* for debug printf */
/* State */
ng_ubt_node_debug_ep sc_debug; /* debug level */
ng_ubt_node_stat_ep sc_stat; /* statistic */
#define UBT_STAT_PCKTS_SENT(sc) (sc)->sc_stat.pckts_sent ++
#define UBT_STAT_BYTES_SENT(sc, n) (sc)->sc_stat.bytes_sent += (n)
#define UBT_STAT_PCKTS_RECV(sc) (sc)->sc_stat.pckts_recv ++
#define UBT_STAT_BYTES_RECV(sc, n) (sc)->sc_stat.bytes_recv += (n)
#define UBT_STAT_OERROR(sc) (sc)->sc_stat.oerrors ++
#define UBT_STAT_IERROR(sc) (sc)->sc_stat.ierrors ++
#define UBT_STAT_RESET(sc) bzero(&(sc)->sc_stat, sizeof((sc)->sc_stat))
/* USB device specific */
struct mtx sc_if_mtx; /* interfaces lock */
struct usb_xfer *sc_xfer[UBT_N_TRANSFER];
struct mtx sc_ng_mtx; /* lock for shared NG data */
/* HCI commands */
struct ng_bt_mbufq sc_cmdq; /* HCI command queue */
#define UBT_CTRL_BUFFER_SIZE (sizeof(struct usb_device_request) + \
sizeof(ng_hci_cmd_pkt_t) + NG_HCI_CMD_PKT_SIZE)
#define UBT_INTR_BUFFER_SIZE (MCLBYTES-1) /* reserve 1 byte for ID-tag */
/* ACL data */
struct ng_bt_mbufq sc_aclq; /* ACL data queue */
#define UBT_BULK_READ_BUFFER_SIZE (MCLBYTES-1) /* reserve 1 byte for ID-tag */
#define UBT_BULK_WRITE_BUFFER_SIZE (MCLBYTES)
/* SCO data */
struct ng_bt_mbufq sc_scoq; /* SCO data queue */
struct mbuf *sc_isoc_in_buffer; /* SCO reassembly buffer */
/* Netgraph specific */
node_p sc_node; /* pointer back to node */
hook_p sc_hook; /* upstream hook */
/* Glue */
int sc_task_flags; /* task flags */
#define UBT_FLAG_T_PENDING (1 << 0) /* task pending */
#define UBT_FLAG_T_STOP_ALL (1 << 1) /* stop all xfers */
#define UBT_FLAG_T_START_ALL (1 << 2) /* start all read and isoc
write xfers */
#define UBT_FLAG_T_START_CTRL (1 << 3) /* start control xfer (write) */
#define UBT_FLAG_T_START_BULK (1 << 4) /* start bulk xfer (write) */
struct task sc_task;
};
typedef struct ubt_softc ubt_softc_t;
typedef struct ubt_softc * ubt_softc_p;
usb_error_t ubt_do_hci_request(struct usb_device *, struct ubt_hci_cmd *,
void *, usb_timeout_t);
extern driver_t ubt_driver;
#endif /* ndef _NG_UBT_VAR_H_ */
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