1/*-
2 * Copyright (c) 2001-2003
3 * Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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25 * SUCH DAMAGE.
26 *
27 * Author: Hartmut Brandt <harti@freebsd.org>
28 *
29 * Fore PCA200E driver for NATM
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/sys/dev/fatm/if_fatm.c 199559 2009-11-19 22:06:40Z jhb $");
34
35#include "opt_inet.h"
36#include "opt_natm.h"
37
38#include <sys/types.h>
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/malloc.h>

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386 sc->stop_cnt = 0;
387 sc->heartbeat = h;
388}
389
390/*
391 * Ensure that the heart is still beating.
392 */
393static void
394fatm_watchdog(void *arg)
395{
396 struct fatm_softc *sc;
397
398 sc = arg;
399 FATM_CHECKLOCK(sc);
400 fatm_check_heartbeat(sc);
401 callout_reset(&sc->watchdog_timer, hz * 5, fatm_watchdog, sc);
402}
403
404/*
405 * Hard reset the i960 on the board. This is done by initializing registers,
406 * clearing interrupts and waiting for the selftest to finish. Not sure,
407 * whether all these barriers are actually needed.
408 *
409 * Assumes that we hold the lock.

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467
468 FATM_CHECKLOCK(sc);
469
470 /* Stop the board */
471 utopia_stop(&sc->utopia);
472 (void)fatm_reset(sc);
473
474 /* stop watchdog */
475 callout_stop(&sc->watchdog_timer);
476
477 if (sc->ifp->if_drv_flags & IFF_DRV_RUNNING) {
478 sc->ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
479 ATMEV_SEND_IFSTATE_CHANGED(IFP2IFATM(sc->ifp),
480 sc->utopia.carrier == UTP_CARR_OK);
481
482 /*
483 * Collect transmit mbufs, partial receive mbufs and

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1334 /*
1335 * Now set flags, that we are ready
1336 */
1337 sc->ifp->if_drv_flags |= IFF_DRV_RUNNING;
1338
1339 /*
1340 * Start the watchdog timer
1341 */
1342 callout_reset(&sc->watchdog_timer, hz * 5, fatm_watchdog, sc);
1343
1344 /* start SUNI */
1345 utopia_start(&sc->utopia);
1346
1347 ATMEV_SEND_IFSTATE_CHANGED(IFP2IFATM(sc->ifp),
1348 sc->utopia.carrier == UTP_CARR_OK);
1349
1350 /* start all channels */

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2536
2537 if (device_is_alive(dev)) {
2538 FATM_LOCK(sc);
2539 fatm_stop(sc);
2540 utopia_detach(&sc->utopia);
2541 FATM_UNLOCK(sc);
2542 atm_ifdetach(sc->ifp); /* XXX race */
2543 }
2544 callout_drain(&sc->watchdog_timer);
2545
2546 if (sc->ih != NULL)
2547 bus_teardown_intr(dev, sc->irqres, sc->ih);
2548
2549 while ((rb = LIST_FIRST(&sc->rbuf_used)) != NULL) {
2550 if_printf(sc->ifp, "rbuf %p still in use!\n", rb);
2551 bus_dmamap_unload(sc->rbuf_tag, rb->map);
2552 m_freem(rb->m);

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2778 */
2779 mtx_init(&sc->mtx, device_get_nameunit(dev),
2780 MTX_NETWORK_LOCK, MTX_DEF);
2781
2782 cv_init(&sc->cv_stat, "fatm_stat");
2783 cv_init(&sc->cv_regs, "fatm_regs");
2784
2785 sysctl_ctx_init(&sc->sysctl_ctx);
2786 callout_init_mtx(&sc->watchdog_timer, &sc->mtx, 0);
2787
2788 /*
2789 * Make the sysctl tree
2790 */
2791 if ((sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
2792 SYSCTL_STATIC_CHILDREN(_hw_atm), OID_AUTO,
2793 device_get_nameunit(dev), CTLFLAG_RD, 0, "")) == NULL)
2794 goto fail;

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2819 /*
2820 * Network subsystem stuff
2821 */
2822 ifp->if_softc = sc;
2823 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
2824 ifp->if_flags = IFF_SIMPLEX;
2825 ifp->if_ioctl = fatm_ioctl;
2826 ifp->if_start = fatm_start;
2827 ifp->if_init = fatm_init;
2828 ifp->if_linkmib = &IFP2IFATM(sc->ifp)->mib;
2829 ifp->if_linkmiblen = sizeof(IFP2IFATM(sc->ifp)->mib);
2830
2831 /*
2832 * Enable memory and bustmaster
2833 */
2834 cfg = pci_read_config(dev, PCIR_COMMAND, 2);

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