2 * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 *---------------------------------------------------------------------------
27 * i4b_l2timer.c - layer 2 timer handling
28 * --------------------------------------
30 * $Id: i4b_l2timer.c,v 1.20 2000/08/24 11:48:58 hm Exp $
32 * $FreeBSD: src/sys/i4b/layer2/i4b_l2timer.c,v 1.6.2.1 2001/08/10 14:08:41 obrien Exp $
34 * last edit-date: [Thu Aug 24 12:48:52 2000]
36 *---------------------------------------------------------------------------*/
45 #include <sys/param.h>
46 #include <sys/kernel.h>
47 #include <sys/systm.h>
48 #include <sys/socket.h>
51 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
52 #include <sys/callout.h>
56 #include <machine/i4b_debug.h>
58 #include <i4b/i4b_debug.h>
59 #include <i4b/i4b_ioctl.h>
62 #include <i4b/include/i4b_global.h>
64 #include <i4b/layer2/i4b_l2.h>
65 #include <i4b/layer2/i4b_l2fsm.h>
67 /*---------------------------------------------------------------------------*
68 * Q.921 timer T200 timeout function
69 *---------------------------------------------------------------------------*/
71 i4b_T200_timeout(l2_softc_t *l2sc)
73 NDBGL2(L2_T_ERR, "unit %d, RC = %d", l2sc->unit, l2sc->RC);
74 i4b_next_l2state(l2sc, EV_T200EXP);
77 /*---------------------------------------------------------------------------*
78 * Q.921 timer T200 start
79 *---------------------------------------------------------------------------*/
81 i4b_T200_start(l2_softc_t *l2sc)
83 if(l2sc->T200 == TIMER_ACTIVE)
86 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
87 l2sc->T200 = TIMER_ACTIVE;
89 START_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc, T200DEF);
92 /*---------------------------------------------------------------------------*
93 * Q.921 timer T200 stop
94 *---------------------------------------------------------------------------*/
96 i4b_T200_stop(l2_softc_t *l2sc)
100 if(l2sc->T200 != TIMER_IDLE)
102 STOP_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc);
103 l2sc->T200 = TIMER_IDLE;
106 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
109 /*---------------------------------------------------------------------------*
110 * Q.921 timer T200 restart
111 *---------------------------------------------------------------------------*/
113 i4b_T200_restart(l2_softc_t *l2sc)
117 if(l2sc->T200 != TIMER_IDLE)
119 STOP_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc);
123 l2sc->T200 = TIMER_ACTIVE;
126 START_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc, T200DEF);
128 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
131 /*---------------------------------------------------------------------------*
132 * Q.921 timer T202 timeout function
133 *---------------------------------------------------------------------------*/
135 i4b_T202_timeout(l2_softc_t *l2sc)
137 NDBGL2(L2_T_ERR, "unit %d, N202 = %d", l2sc->unit, l2sc->N202);
141 (*l2sc->T202func)(l2sc);
145 /*---------------------------------------------------------------------------*
146 * Q.921 timer T202 start
147 *---------------------------------------------------------------------------*/
149 i4b_T202_start(l2_softc_t *l2sc)
151 if (l2sc->N202 == TIMER_ACTIVE)
154 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
155 l2sc->N202 = N202DEF;
156 l2sc->T202 = TIMER_ACTIVE;
158 START_TIMER(l2sc->T202_callout, i4b_T202_timeout, l2sc, T202DEF);
161 /*---------------------------------------------------------------------------*
162 * Q.921 timer T202 stop
163 *---------------------------------------------------------------------------*/
165 i4b_T202_stop(l2_softc_t *l2sc)
169 if(l2sc->T202 != TIMER_IDLE)
171 STOP_TIMER(l2sc->T202_callout, i4b_T202_timeout, l2sc);
172 l2sc->T202 = TIMER_IDLE;
175 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
178 /*---------------------------------------------------------------------------*
179 * Q.921 timer T203 timeout function
180 *---------------------------------------------------------------------------*/
183 i4b_T203_timeout(l2_softc_t *l2sc)
185 NDBGL2(L2_T_ERR, "unit %d", l2sc->unit);
186 i4b_next_l2state(l2sc, EV_T203EXP);
190 /*---------------------------------------------------------------------------*
191 * Q.921 timer T203 start
192 *---------------------------------------------------------------------------*/
194 i4b_T203_start(l2_softc_t *l2sc)
197 if (l2sc->T203 == TIMER_ACTIVE)
200 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
201 l2sc->T203 = TIMER_ACTIVE;
203 START_TIMER(l2sc->T203_callout, i4b_T203_timeout, l2sc, T203DEF);
207 /*---------------------------------------------------------------------------*
208 * Q.921 timer T203 stop
209 *---------------------------------------------------------------------------*/
211 i4b_T203_stop(l2_softc_t *l2sc)
216 if(l2sc->T203 != TIMER_IDLE)
218 STOP_TIMER(l2sc->T203_callout, i4b_T203_timeout, l2sc);
219 l2sc->T203 = TIMER_IDLE;
222 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
226 /*---------------------------------------------------------------------------*
227 * Q.921 timer T203 restart
228 *---------------------------------------------------------------------------*/
230 i4b_T203_restart(l2_softc_t *l2sc)
236 if(l2sc->T203 != TIMER_IDLE)
238 STOP_TIMER(l2sc->T203_callout, i4b_T203_timerout, l2sc);
242 l2sc->T203 = TIMER_ACTIVE;
245 START_TIMER(l2sc->T203_callout, i4b_T203_timerout, l2sc, T203DEF);
247 NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
251 #endif /* NI4BQ921 > 0 */