diff options
Diffstat (limited to 'sys/i4b/layer2/i4b_l2timer.c')
| -rw-r--r-- | sys/i4b/layer2/i4b_l2timer.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/sys/i4b/layer2/i4b_l2timer.c b/sys/i4b/layer2/i4b_l2timer.c new file mode 100644 index 0000000..3b45e807 --- /dev/null +++ b/sys/i4b/layer2/i4b_l2timer.c @@ -0,0 +1,263 @@ +/* + * Copyright (c) 1997, 1998 Hellmuth Michaelis. 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. + * + *--------------------------------------------------------------------------- + * + * i4b_l2timer.c - layer 2 timer handling + * -------------------------------------- + * + * $Id: i4b_l2timer.c,v 1.12 1998/12/05 18:05:15 hm Exp $ + * + * last edit-date: [Sat Dec 5 18:29:13 1998] + * + *---------------------------------------------------------------------------*/ + +#ifdef __FreeBSD__ +#include "i4bq921.h" +#else +#define NI4BQ921 1 +#endif +#if NI4BQ921 > 0 + +#include <sys/param.h> +#if defined(__FreeBSD__) && __FreeBSD__ >= 3 +#include <sys/ioccom.h> +#else +#include <sys/ioctl.h> +#endif +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/socket.h> +#include <net/if.h> + +#ifdef __FreeBSD__ +#include <machine/i4b_debug.h> +#include <machine/i4b_ioctl.h> +#else +#include <i4b/i4b_debug.h> +#include <i4b/i4b_ioctl.h> +#endif + +#include <i4b/include/i4b_global.h> +#include <i4b/include/i4b_l1l2.h> +#include <i4b/include/i4b_l2l3.h> +#include <i4b/include/i4b_isdnq931.h> +#include <i4b/include/i4b_mbuf.h> + +#include <i4b/layer2/i4b_l2.h> +#include <i4b/layer2/i4b_l2fsm.h> + +/*---------------------------------------------------------------------------* + * Q.921 timer T200 timeout function + *---------------------------------------------------------------------------*/ +static void +i4b_T200_timeout(l2_softc_t *l2sc) +{ + DBGL2(L2_T_ERR, "i4b_T200_timeout", ("unit %d, RC = %d\n", l2sc->unit, l2sc->RC)); + i4b_next_l2state(l2sc, EV_T200EXP); +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T200 start + *---------------------------------------------------------------------------*/ +void +i4b_T200_start(l2_softc_t *l2sc) +{ + DBGL2(L2_T_MSG, "i4b_T200_start", ("unit %d\n", l2sc->unit)); + l2sc->T200 = TIMER_ACTIVE; +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + l2sc->T200_callout = timeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, T200DEF); +#else + timeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, T200DEF); +#endif +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T200 stop + *---------------------------------------------------------------------------*/ +void +i4b_T200_stop(l2_softc_t *l2sc) +{ + if(l2sc->T200 != TIMER_IDLE) + { +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + untimeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, l2sc->T200_callout); +#else + untimeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc); +#endif + l2sc->T200 = TIMER_IDLE; + } + DBGL2(L2_T_MSG, "i4b_T200_stop", ("unit %d\n", l2sc->unit)); +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T200 restart + *---------------------------------------------------------------------------*/ +void +i4b_T200_restart(l2_softc_t *l2sc) +{ + if(l2sc->T200 != TIMER_IDLE) +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + untimeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, l2sc->T200_callout); +#else + untimeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc); +#endif + else + l2sc->T200 = TIMER_ACTIVE; + +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + l2sc->T200_callout = timeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, T200DEF); +#else + timeout((TIMEOUT_FUNC_T)i4b_T200_timeout, (void *)l2sc, T200DEF); +#endif + + DBGL2(L2_T_MSG, "i4b_T200_restart", ("unit %d\n", l2sc->unit)); +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T202 timeout function + *---------------------------------------------------------------------------*/ +static void +i4b_T202_timeout(l2_softc_t *l2sc) +{ + DBGL2(L2_T_ERR, "i4b_T202_timeout", ("unit %d, N202 = %d\n", l2sc->unit, l2sc->N202)); + + if(--(l2sc->N202)) + { + (*l2sc->T202func)(l2sc); + } +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T202 start + *---------------------------------------------------------------------------*/ +void +i4b_T202_start(l2_softc_t *l2sc) +{ + DBGL2(L2_T_MSG, "i4b_T202_start", ("unit %d\n", l2sc->unit)); + l2sc->N202 = N202DEF; + l2sc->T202 = TIMER_ACTIVE; +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + l2sc->T202_callout = timeout((TIMEOUT_FUNC_T)i4b_T202_timeout, (void *)l2sc, T202DEF); +#else + timeout((TIMEOUT_FUNC_T)i4b_T202_timeout, (void *)l2sc, T202DEF); +#endif +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T202 stop + *---------------------------------------------------------------------------*/ +void +i4b_T202_stop(l2_softc_t *l2sc) +{ + if(l2sc->T202 != TIMER_IDLE) + { +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + untimeout((TIMEOUT_FUNC_T)i4b_T202_timeout, (void *)l2sc, l2sc->T202_callout); +#else + untimeout((TIMEOUT_FUNC_T)i4b_T202_timeout, (void *)l2sc); +#endif + l2sc->T202 = TIMER_IDLE; + } + DBGL2(L2_T_MSG, "i4b_T202_stop", ("unit %d\n", l2sc->unit)); +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T203 timeout function + *---------------------------------------------------------------------------*/ +#if I4B_T203_ACTIVE +static void +i4b_T203_timeout(l2_softc_t *l2sc) +{ + DBGL2(L2_T_ERR, "i4b_T203_timeout", ("unit %d\n", l2sc->unit)); + i4b_next_l2state(l2sc, EV_T203EXP); +} +#endif + +/*---------------------------------------------------------------------------* + * Q.921 timer T203 start + *---------------------------------------------------------------------------*/ +void +i4b_T203_start(l2_softc_t *l2sc) +{ +#if I4B_T203_ACTIVE + DBGL2(L2_T_MSG, "i4b_T203_start", ("unit %d\n", l2sc->unit)); + l2sc->T203 = TIMER_ACTIVE; +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + l2sc->T203_callout = timeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, T203DEF); +#else + timeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, T203DEF); +#endif +#endif +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T203 stop + *---------------------------------------------------------------------------*/ +void +i4b_T203_stop(l2_softc_t *l2sc) +{ +#if I4B_T203_ACTIVE + if(l2sc->T203 != TIMER_IDLE) + { +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + untimeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, l2sc->T203_callout); +#else + untimeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc); +#endif + l2sc->T203 = TIMER_IDLE; + } + DBGL2(L2_T_MSG, "i4b_T203_stop", ("unit %d\n", l2sc->unit)); +#endif +} + +/*---------------------------------------------------------------------------* + * Q.921 timer T203 restart + *---------------------------------------------------------------------------*/ +void +i4b_T203_restart(l2_softc_t *l2sc) +{ +#if I4B_T203_ACTIVE + if(l2sc->T203 != TIMER_IDLE) +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + untimeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, l2sc->T203_callout); +#else + untimeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc); +#endif + else + l2sc->T203 = TIMER_ACTIVE; + +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + l2sc->T203_callout = timeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, T203DEF); +#else + timeout((TIMEOUT_FUNC_T)i4b_T203_timeout, (void *)l2sc, T203DEF); +#endif + + DBGL2(L2_T_MSG, "i4b_T203_restart", ("unit %d\n", l2sc->unit)); +#endif +} + +#endif /* NI4BQ921 > 0 */ + |
