/* $NetBSD: ath_netbsd.h,v 1.16 2017/02/02 10:05:35 nonaka Exp $ */

/* $NetBSD: ath_netbsd.h,v 1.16 2017/02/02 10:05:35 nonaka Exp $ */

/*-
* Copyright (c) 2003, 2004 David Young
* 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 ``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 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.
*/
#ifndef _ATH_NETBSD_H
#define _ATH_NETBSD_H

#include <sys/sysctl.h>
#include <sys/intr.h>

typedef struct ath_task {
void *t_soft_ih;
} ath_task_t;

#define ATH_CALLOUT_INIT(__ch, __mpsafe) callout_init((__ch), 0)

#define TASK_INIT(__task, __zero, __func, __context) \
do { \
(__task)->t_soft_ih = \
softint_establish(SOFTINT_NET, \
__CONCAT(__func, _si), \
(__context)); \
KASSERT((__task)->t_soft_ih); \
} while (0)

#define TASK_RUN_OR_ENQUEUE(__task) \
softint_schedule((__task)->t_soft_ih);

typedef kmutex_t ath_txq_lock_t;
#define ATH_TXQ_LOCK_INIT(_sc, _tq) mutex_init(&(_tq)->axq_lock, MUTEX_DEFAULT, IPL_NET)
#define ATH_TXQ_LOCK_DESTROY(_tq) mutex_destroy(&(_tq)->axq_lock)
#define ATH_TXQ_LOCK(_tq) mutex_enter(&(_tq)->axq_lock)
#define ATH_TXQ_UNLOCK(_tq) mutex_exit(&(_tq)->axq_lock)
#define ATH_TXQ_LOCK_ASSERT(_tq) do { KASSERTMSG(mutex_owned(&(_tq)->axq_lock), "txq lock unheld"); } while (/*CONSTCOND*/true)

typedef kmutex_t ath_txbuf_lock_t;
#define ATH_TXBUF_LOCK_INIT(_sc) mutex_init(&(_sc)->sc_txbuflock, MUTEX_DEFAULT, IPL_NET)
#define ATH_TXBUF_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->sc_txbuflock)
#define ATH_TXBUF_LOCK(_sc) mutex_enter(&(_sc)->sc_txbuflock)
#define ATH_TXBUF_UNLOCK(_sc) mutex_exit(&(_sc)->sc_txbuflock)
#define ATH_TXBUF_LOCK_ASSERT(_sc) do { KASSERTMSG(mutex_owned(&(_sc)->sc_txbuflock), "txbuf lock unheld"); } while (/*CONSTCOND*/true)

#define NET_LOCK_GIANT_FUNC_INIT() int s
#define NET_LOCK_GIANT() s = splnet()
#define NET_UNLOCK_GIANT() splx(s)

#define SYSCTL_INT_SUBR(__rw, __name, __descr) \
sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw), \
CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\
0, (void *)sc, 0, CTL_CREATE, CTL_EOL)

#define __PFX(__pfx, __name) __pfx##__name

#define SYSCTL_PFX_INT(__pfx, __rw, __name, __descr) \
sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\
CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0, \
__PFX(&__pfx, __name), 0, CTL_CREATE, CTL_EOL)

#define SYSCTL_INT(__rw, __name, __descr) \
SYSCTL_PFX_INT(sc->sc_, __rw, __name, __descr)

#define SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var) \
sysctl_createv(clog, 0, &rnode, &cnode, \
CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name, \
SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\
CTL_EOL)

const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);

#endif /* _ATH_NETBSD_H */