freebsd-dev/sys/dev/sn/if_snvar.h
John Baldwin 7cf545d0a1 - Add a private timer to drive the transmit watchdog instead of using
if_watchdog and if_timer.
- Fix some issues in detach for sn(4), ste(4), and ti(4).  Primarily this
  means calling ether_ifdetach() before anything else.
2009-11-19 22:06:40 +00:00

83 lines
3.1 KiB
C

/*-
* Copyright (c) 1999 M. Warner Losh <imp@village.org>
* 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.
*
* $FreeBSD$
*/
#ifndef _IF_SNVAR_H
#define _IF_SNVAR_H
#include <net/if_arp.h>
struct sn_softc {
struct ifnet *ifp;
struct mtx sc_mtx;
struct callout watchdog;
int timer;
int pages_wanted; /* Size of outstanding MMU ALLOC */
int intr_mask; /* Most recently set interrupt mask */
device_t dev;
void *intrhand;
struct resource *irq_res;
int irq_rid;
struct resource *port_res;
int port_rid;
struct resource *modem_res; /* Extra resource for modem */
int modem_rid;
};
int sn_probe(device_t);
int sn_attach(device_t);
int sn_detach(device_t);
void sn_intr(void *);
int sn_activate(device_t);
void sn_deactivate(device_t);
#define CSR_READ_1(sc, off) (bus_read_1((sc)->port_res, off))
#define CSR_READ_2(sc, off) (bus_read_2((sc)->port_res, off))
#define CSR_WRITE_1(sc, off, val) \
bus_write_1((sc)->port_res, off, val)
#define CSR_WRITE_2(sc, off, val) \
bus_write_2((sc)->port_res, off, val)
#define CSR_WRITE_MULTI_1(sc, off, addr, count) \
bus_write_multi_1((sc)->port_res, off, addr, count)
#define CSR_WRITE_MULTI_2(sc, off, addr, count) \
bus_write_multi_2((sc)->port_res, off, addr, count)
#define CSR_READ_MULTI_1(sc, off, addr, count) \
bus_read_multi_1((sc)->port_res, off, addr, count)
#define CSR_READ_MULTI_2(sc, off, addr, count) \
bus_read_multi_2((sc)->port_res, off, addr, count)
#define SN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
#define SN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
#define SN_LOCK_INIT(_sc) \
mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
MTX_NETWORK_LOCK, MTX_DEF)
#define SN_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx);
#define SN_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED);
#define SN_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
#endif /* _IF_SNVAR_H */