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_l3fsm.c - layer 3 FSM
28 * -------------------------
30 * $Id: i4b_l3fsm.c,v 1.22 2000/08/24 11:48:58 hm Exp $
32 * $FreeBSD: src/sys/i4b/layer3/i4b_l3fsm.c,v 1.6.2.1 2001/08/10 14:08:42 obrien Exp $
33 * $DragonFly: src/sys/net/i4b/layer3/i4b_l3fsm.c,v 1.2 2003/06/17 04:28:40 dillon Exp $
35 * last edit-date: [Thu Oct 12 17:58:35 2000]
37 *---------------------------------------------------------------------------*/
46 #include <sys/param.h>
47 #include <sys/systm.h>
50 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
51 #include <sys/callout.h>
55 #include <machine/i4b_debug.h>
56 #include <machine/i4b_ioctl.h>
57 #include <machine/i4b_cause.h>
59 #include <i4b/i4b_debug.h>
60 #include <i4b/i4b_ioctl.h>
61 #include <i4b/i4b_cause.h>
64 #include <i4b/include/i4b_l2l3.h>
65 #include <i4b/include/i4b_l3l4.h>
66 #include <i4b/include/i4b_global.h>
68 #include <i4b/layer3/i4b_l3.h>
69 #include <i4b/layer3/i4b_l3fsm.h>
71 #include <i4b/layer4/i4b_l4.h>
74 static void F_00A(call_desc_t *cd), F_00H(call_desc_t *cd), F_00I(call_desc_t *cd);
75 static void F_00J(call_desc_t *cd);
77 static void F_01B(call_desc_t *cd), F_01K(call_desc_t *cd), F_01L(call_desc_t *cd);
78 static void F_01M(call_desc_t *cd), F_01N(call_desc_t *cd), F_01U(call_desc_t *cd);
79 static void F_01O(call_desc_t *cd);
81 static void F_03C(call_desc_t *cd), F_03N(call_desc_t *cd), F_03O(call_desc_t *cd);
82 static void F_03P(call_desc_t *cd), F_03Y(call_desc_t *cd);
84 static void F_04O(call_desc_t *cd);
86 static void F_06D(call_desc_t *cd), F_06E(call_desc_t *cd), F_06F(call_desc_t *cd);
87 static void F_06G(call_desc_t *cd), F_06J(call_desc_t *cd), F_06Q(call_desc_t *cd);
89 static void F_07E(call_desc_t *cd), F_07F(call_desc_t *cd), F_07G(call_desc_t *cd);
91 static void F_08R(call_desc_t *cd), F_08Z(call_desc_t *cd);
93 static void F_09D(call_desc_t *cd), F_09E(call_desc_t *cd), F_09F(call_desc_t *cd);
94 static void F_09G(call_desc_t *cd);
96 static void F_11J(call_desc_t *cd), F_11Q(call_desc_t *cd), F_11V(call_desc_t *cd);
98 static void F_12C(call_desc_t *cd), F_12J(call_desc_t *cd);
100 static void F_19I(call_desc_t *cd), F_19J(call_desc_t *cd), F_19K(call_desc_t *cd);
101 static void F_19W(call_desc_t *cd);
103 static void F_NCNA(call_desc_t *cd), F_STENQ(call_desc_t *cd), F_STAT(call_desc_t *cd);
104 static void F_INFO(call_desc_t *cd), F_RELCP(call_desc_t *cd), F_REL(call_desc_t *cd);
105 static void F_DISC(call_desc_t *cd), F_DCRQ(call_desc_t *cd), F_UEM(call_desc_t *cd);
106 static void F_SIGN(call_desc_t *cd), F_DLEI(call_desc_t *cd), F_ILL(call_desc_t *cd);
107 static void F_309TO(call_desc_t *cd), F_DECF(call_desc_t *cd), F_FCTY(call_desc_t *cd);
108 static void F_DECF1(call_desc_t *cd), F_DECF2(call_desc_t *cd), F_DECF3(call_desc_t *cd);
109 static void F_DLRI(call_desc_t *cd), F_DLRIA(call_desc_t *cd), F_DECF4(call_desc_t *cd);
111 static void F_308TO(call_desc_t *cd);
114 static char *l3state_text[N_STATES] = {
128 "ST_IWA - In Wait EST-Accept",
129 "ST_IWR - In Wait EST-Reject",
130 "ST_OW - Out Wait EST",
131 "ST_IWL - In Wait EST-Alert",
133 "ST_SUSE - Subroutine sets state",
138 static char *l3event_text[N_EVENTS] = {
139 "EV_SETUPRQ - L4 SETUP REQ", /* setup request from L4 */
140 "EV_DISCRQ - L4 DISC REQ", /* disconnect request from L4 */
141 "EV_RELRQ - L4 REL REQ", /* release request from L4 */
142 "EV_ALERTRQ - L4 ALERT REQ", /* alerting request from L4 */
143 "EV_SETACRS - L4 accept RSP", /* setup response accept from l4 */
144 "EV_SETRJRS - L4 reject RSP", /* setup response reject from l4 */
145 "EV_SETDCRS - L4 ignore RSP", /* setup response dontcare from l4 */
147 "EV_SETUP - rxd SETUP", /* incoming SETUP message from L2 */
148 "EV_STATUS - rxd STATUS", /* incoming STATUS message from L2 */
149 "EV_RELEASE - rxd REL", /* incoming RELEASE message from L2 */
150 "EV_RELCOMP - rxd REL COMPL", /* incoming RELEASE COMPLETE from L2 */
151 "EV_SETUPAK - rxd SETUP ACK", /* incoming SETUP ACK message from L2 */
152 "EV_CALLPRC - rxd CALL PROC", /* incoming CALL PROCEEDING from L2 */
153 "EV_ALERT - rxd ALERT", /* incoming ALERT message from L2 */
154 "EV_CONNECT - rxd CONNECT", /* incoming CONNECT message from L2 */
155 "EV_PROGIND - rxd PROG IND", /* incoming Progress IND from L2 */
156 "EV_DISCONN - rxd DISC", /* incoming DISCONNECT message from L2 */
157 "EV_CONACK - rxd CONN ACK", /* incoming CONNECT ACK message from L2 */
158 "EV_STATENQ - rxd STAT ENQ", /* incoming STATUS ENQ message from L2 */
159 "EV_INFO - rxd INFO", /* incoming INFO message from L2 */
160 "EV_FACILITY - rxd FACILITY", /* incoming FACILITY message */
162 "EV_T303EXP - T303 timeout", /* Timer T303 expired */
163 "EV_T305EXP - T305 timeout", /* Timer T305 expired */
164 "EV_T308EXP - T308 timeout", /* Timer T308 expired */
165 "EV_T309EXP - T309 timeout", /* Timer T309 expired */
166 "EV_T310EXP - T310 timeout", /* Timer T310 expired */
167 "EV_T313EXP - T313 timeout", /* Timer T313 expired */
169 "EV_DLESTIN - L2 DL_Est_Ind", /* dl establish indication from l2 */
170 "EV_DLRELIN - L2 DL_Rel_Ind", /* dl release indication from l2 */
171 "EV_DLESTCF - L2 DL_Est_Cnf", /* dl establish confirm from l2 */
172 "EV_DLRELCF - L2 DL_Rel_Cnf", /* dl release confirm from l2 */
174 "EV_ILL - Illegal event!!" /* Illegal */
178 /*---------------------------------------------------------------------------*
179 * layer 3 state transition table
180 *---------------------------------------------------------------------------*/
182 void (*func) (call_desc_t *); /* function to execute */
183 int newstate; /* next state */
184 } l3state_tab[N_EVENTS][N_STATES] = {
186 /* STATE: ST_U0 ST_U1 ST_U3 ST_U4 ST_U6 ST_U7 ST_U8 ST_U9 ST_U10 ST_U11 ST_U12 ST_U19 ST_IWA ST_IWR ST_OW ST_IWL ST_SUBSET ST_ILL */
187 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
188 /*EV_SETUPRQ*/ {{F_00A, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
189 /*EV_DISCRQ */ {{F_ILL, ST_ILL}, {F_01B, ST_U11}, {F_DCRQ, ST_U11}, {F_DCRQ, ST_U11}, {F_ILL, ST_ILL}, {F_DCRQ, ST_U11}, {F_DCRQ, ST_U11}, {F_DCRQ, ST_U11}, {F_DCRQ, ST_U11}, {F_ILL, ST_ILL}, {F_NCNA, ST_U12}, {F_ILL, ST_ILL}, {F_DCRQ, ST_U11}, {F_DCRQ, ST_U11}, {F_DCRQ, ST_U11}, {F_DCRQ, ST_U11}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
190 /*EV_RELRQ */ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_03C, ST_U19}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_12C, ST_U19}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
191 /*EV_ALERTRQ*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_06D, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_09D, ST_U7}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
192 /*EV_SETACRS*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_06E, ST_SUSE}, {F_07E, ST_U8}, {F_ILL, ST_ILL}, {F_09E, ST_U8}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
193 /*EV_SETRJRS*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_06F, ST_SUSE}, {F_07F, ST_U0}, {F_ILL, ST_ILL}, {F_09F, ST_U0}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
194 /*EV_SETDCRS*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_06G, ST_U0}, {F_07G, ST_U0}, {F_ILL, ST_ILL}, {F_09G, ST_U0}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
195 /* STATE: ST_U0 ST_U1 ST_U3 ST_U4 ST_U6 ST_U7 ST_U8 ST_U9 ST_U10 ST_U11 ST_U12 ST_U19 ST_IWA ST_IWR ST_OW ST_IWL ST_SUBSET ST_ILL */
196 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
197 /*EV_SETUP */ {{F_00H, ST_U6}, {F_SIGN, ST_U1}, {F_SIGN, ST_U3}, {F_SIGN, ST_U4}, {F_SIGN, ST_U6}, {F_SIGN, ST_U7}, {F_SIGN, ST_U8}, {F_SIGN, ST_U9}, {F_SIGN, ST_U10}, {F_SIGN, ST_U11}, {F_SIGN, ST_U12}, {F_SIGN, ST_U19}, {F_SIGN, ST_IWA}, {F_SIGN, ST_IWR}, {F_SIGN, ST_OW}, {F_SIGN, ST_IWL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
198 /*EV_STATUS */ {{F_00I, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_19I, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_STAT, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
199 /*EV_RELEASE*/ {{F_00J, ST_U0}, {F_UEM, ST_SUSE}, {F_REL, ST_U0}, {F_REL, ST_U0}, {F_06J, ST_U0}, {F_REL, ST_U0}, {F_REL, ST_U0}, {F_REL, ST_U0}, {F_REL, ST_U0}, {F_11J, ST_U0}, {F_12J, ST_U0}, {F_19J, ST_U0}, {F_REL, ST_U0}, {F_REL, ST_U0}, {F_REL, ST_U0}, {F_REL, ST_U0}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
200 /*EV_RELCOMP*/ {{F_NCNA, ST_U0}, {F_01K, ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_19K, ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_RELCP,ST_U0}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
201 /*EV_SETUPAK*/ {{F_UEM, ST_SUSE}, {F_01L, ST_U3}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
202 /*EV_CALLPRC*/ {{F_UEM, ST_SUSE}, {F_01M, ST_U3}, {F_NCNA, ST_U3}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
203 /*EV_ALERT */ {{F_UEM, ST_SUSE}, {F_01N, ST_U4}, {F_03N, ST_U4}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
204 /*EV_CONNECT*/ {{F_UEM, ST_SUSE}, {F_01O, ST_U10}, {F_03O, ST_U10}, {F_04O, ST_U10}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
205 /*EV_PROGIND*/ {{F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_03P, ST_U3}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
206 /*EV_DISCONN*/ {{F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_DISC, ST_U12}, {F_DISC, ST_U12}, {F_06Q, ST_U12}, {F_DISC, ST_U12}, {F_DISC, ST_U12}, {F_DISC, ST_U12}, {F_DISC, ST_U12}, {F_11Q, ST_U19}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_DISC, ST_U12}, {F_DISC, ST_U12}, {F_DISC, ST_U12}, {F_DISC, ST_U12}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
207 /*EV_CONACK */ {{F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_08R, ST_U10}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
208 /*EV_STATENQ*/ {{F_STENQ,ST_U0}, {F_STENQ,ST_U1}, {F_STENQ,ST_U3}, {F_STENQ,ST_U4}, {F_STENQ,ST_U6}, {F_STENQ,ST_U7}, {F_STENQ,ST_U8}, {F_STENQ,ST_U9}, {F_STENQ,ST_U10}, {F_STENQ,ST_U11}, {F_STENQ,ST_U12}, {F_STENQ,ST_U19}, {F_STENQ,ST_IWA}, {F_STENQ,ST_IWR}, {F_STENQ,ST_OW}, {F_STENQ,ST_OW}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
209 /*EV_INFO */ {{F_UEM, ST_SUSE}, {F_UEM, ST_SUSE}, {F_INFO, ST_U3}, {F_INFO, ST_U4}, {F_UEM, ST_SUSE}, {F_INFO, ST_U7}, {F_INFO, ST_U8}, {F_INFO, ST_U9}, {F_INFO, ST_U10}, {F_INFO, ST_U11}, {F_INFO, ST_U12}, {F_UEM, ST_SUSE}, {F_INFO, ST_IWA}, {F_INFO, ST_IWR}, {F_INFO, ST_OW}, {F_INFO, ST_OW}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
210 /*EV_FACILITY*/ {{F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_FCTY, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
211 /* STATE: ST_U0 ST_U1 ST_U3 ST_U4 ST_U6 ST_U7 ST_U8 ST_U9 ST_U10 ST_U11 ST_U12 ST_U19 ST_IWA ST_IWR ST_OW ST_IWL ST_SUBSET ST_ILL */
212 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
213 /*EV_T303EXP*/ {{F_ILL, ST_ILL}, {F_01U, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
214 /*EV_T305EXP*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_11V, ST_U19}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
215 /*EV_T308EXP*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_308TO,ST_ILL}, {F_19W, ST_SUSE}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
216 /*EV_T309EXP*/ {{F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_309TO,ST_U0}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
217 /*EV_T310EXP*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_03Y, ST_U11}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
218 /*EV_T313EXP*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_08Z, ST_U11}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
219 /* STATE: ST_U0 ST_U1 ST_U3 ST_U4 ST_U6 ST_U7 ST_U8 ST_U9 ST_U10 ST_U11 ST_U12 ST_U19 ST_IWA ST_IWR ST_OW ST_IWL ST_SUBSET ST_ILL */
220 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
221 /*EV_DLESTIN*/ {{F_ILL, ST_ILL}, {F_DLEI, ST_U1}, {F_DLEI, ST_U3}, {F_DLEI, ST_U4}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_DLEI, ST_U1}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
222 /*EV_DLRELIN*/ {{F_NCNA, ST_U0}, {F_DLRIA, ST_OW}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRIA,ST_U10}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_DLRI, ST_U0}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
223 /*EV_DLESTCF*/ {{F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF, ST_SUSE}, {F_DECF2,ST_U8}, {F_DECF3,ST_U0}, {F_DECF1,ST_U1}, {F_DECF4,ST_U7}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
224 /*EV_DLRELCF*/ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}},
225 /*EV_ILL */ {{F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}}
228 /*---------------------------------------------------------------------------*
230 *---------------------------------------------------------------------------*/
231 void next_l3state(call_desc_t *cd, int event)
233 int currstate, newstate;
236 panic("i4b_l3fsm.c: event > N_EVENTS\n");
238 currstate = cd->Q931state;
240 if(currstate > N_STATES)
241 panic("i4b_l3fsm.c: currstate > N_STATES\n");
243 newstate = l3state_tab[event][currstate].newstate;
245 if(newstate > N_STATES)
246 panic("i4b_l3fsm.c: newstate > N_STATES\n");
248 NDBGL3(L3_F_MSG, "L3 FSM event [%s]: [%s => %s]",
250 l3state_text[currstate],
251 l3state_text[newstate]);
253 /* execute function */
255 (*l3state_tab[event][currstate].func)(cd);
257 if(newstate == ST_ILL)
259 newstate = currstate;
260 NDBGL3(L3_F_ERR, "FSM illegal state, state = %s, event = %s!",
261 l3state_text[newstate],
262 l3event_text[event]);
265 if(newstate != ST_SUSE)
266 cd->Q931state = newstate;
270 /*---------------------------------------------------------------------------*
271 * return pointer to current state description
272 *---------------------------------------------------------------------------*/
273 char *print_l3state(call_desc_t *cd)
275 return((char *) l3state_text[cd->Q931state]);
279 /*---------------------------------------------------------------------------*
280 * L3 FSM state U0 event L4 setup req
281 *---------------------------------------------------------------------------*/
282 static void F_00A(call_desc_t *cd)
285 NDBGL3(L3_F_MSG, "FSM function F_00A executing");
287 cd->T303_first_to = 1;
291 if(i4b_get_dl_stat(cd) == DL_DOWN)
294 DL_Est_Req(ctrl_desc[cd->controller].unit);
295 cd->Q931state = ST_OW;
299 cd->Q931state = ST_U1;
305 /*---------------------------------------------------------------------------*
306 * L3 FSM state U0 event SETUP from L2
307 *---------------------------------------------------------------------------*/
308 static void F_00H(call_desc_t *cd)
310 NDBGL3(L3_F_MSG, "FSM function F_00H executing");
311 i4b_l4_connect_ind(cd); /* tell l4 we have an incoming setup */
314 /*---------------------------------------------------------------------------*
315 * L3 FSM state U0 event STATUS from L2
316 *---------------------------------------------------------------------------*/
317 static void F_00I(call_desc_t *cd)
319 NDBGL3(L3_F_MSG, "FSM function F_00I executing");
321 if(cd->call_state != 0)
324 i4b_l3_tx_release_complete(cd, 1); /* 1 = send cause */
326 cd->Q931state = ST_U0;
329 /*---------------------------------------------------------------------------*
330 * L3 FSM state U0 event RELEASE from L2
331 *---------------------------------------------------------------------------*/
332 static void F_00J(call_desc_t *cd)
334 NDBGL3(L3_F_MSG, "FSM function F_00J executing");
335 i4b_l3_tx_release_complete(cd, 0); /* 0 = don't send cause */
338 /*---------------------------------------------------------------------------*
339 * L3 FSM state U1 event disconnect req from L4
340 *---------------------------------------------------------------------------*/
341 static void F_01B(call_desc_t *cd)
343 NDBGL3(L3_F_MSG, "FSM function F_01B executing");
345 i4b_l3_tx_disconnect(cd);
350 /*---------------------------------------------------------------------------*
351 * L3 FSM state U1 event RELEASE COMPLETE from L2
352 *---------------------------------------------------------------------------*/
353 static void F_01K(call_desc_t *cd)
355 NDBGL3(L3_F_MSG, "FSM function F_01K executing");
357 i4b_l4_disconnect_ind(cd); /* tell l4 we were rejected */
361 /*---------------------------------------------------------------------------*
362 * L3 FSM state U1 event SETUP ACK from L2
363 *---------------------------------------------------------------------------*/
364 static void F_01L(call_desc_t *cd)
366 NDBGL3(L3_F_MSG, "FSM function F_01L executing");
370 * since this implementation does NOT support overlap sending,
371 * we react here as if we received a CALL PROCEEDING because
372 * several PBX's react with a SETUP ACK even if the called
373 * number is complete AND we sent a SENDING COMPLETE in the
374 * preceding SETUP message. (-hm)
378 i4b_l4_proceeding_ind(cd);
381 /*---------------------------------------------------------------------------*
382 * L3 FSM state U1 event CALL PROCEEDING from L2
383 *---------------------------------------------------------------------------*/
384 static void F_01M(call_desc_t *cd)
386 NDBGL3(L3_F_MSG, "FSM function F_01M executing");
389 i4b_l4_proceeding_ind(cd);
392 /*---------------------------------------------------------------------------*
393 * L3 FSM state U1 event ALERT from L2 (XXX !)
394 *---------------------------------------------------------------------------*/
395 static void F_01N(call_desc_t *cd)
397 NDBGL3(L3_F_MSG, "FSM function F_01N executing");
399 i4b_l4_alert_ind(cd);
402 /*---------------------------------------------------------------------------*
403 * L3 FSM state U1 event CONNECT from L2 (XXX !)
404 *---------------------------------------------------------------------------*/
405 static void F_01O(call_desc_t *cd)
407 NDBGL3(L3_F_MSG, "FSM function F_01O executing");
409 i4b_l3_tx_connect_ack(cd);
410 i4b_l4_connect_active_ind(cd);
413 /*---------------------------------------------------------------------------*
414 * L3 FSM state U1 event T303 timeout
415 *---------------------------------------------------------------------------*/
416 static void F_01U(call_desc_t *cd)
418 NDBGL3(L3_F_MSG, "FSM function F_01U executing");
419 if(cd->T303_first_to == 1)
421 cd->T303_first_to = 0;
424 cd->Q931state = ST_U1;
428 i4b_l4_disconnect_ind(cd);
430 cd->Q931state = ST_U0;
434 /*---------------------------------------------------------------------------*
435 * L3 FSM state U3 event release req from L4
436 *---------------------------------------------------------------------------*/
437 static void F_03C(call_desc_t *cd)
439 NDBGL3(L3_F_MSG, "FSM function F_03C executing");
442 i4b_l3_tx_release(cd, 1); /* 0 = don't send cause */
443 cd->T308_first_to = 1;
447 /*---------------------------------------------------------------------------*
448 * L3 FSM state U3 event ALERT from L2
449 *---------------------------------------------------------------------------*/
450 static void F_03N(call_desc_t *cd)
452 NDBGL3(L3_F_MSG, "FSM function F_03N executing");
454 i4b_l4_alert_ind(cd);
457 /*---------------------------------------------------------------------------*
458 * L3 FSM state U3 event CONNECT from L2
459 *---------------------------------------------------------------------------*/
460 static void F_03O(call_desc_t *cd)
462 NDBGL3(L3_F_MSG, "FSM function F_03O executing");
464 i4b_l3_tx_connect_ack(cd); /* CONNECT ACK to network */
465 i4b_l4_connect_active_ind(cd);
468 /*---------------------------------------------------------------------------*
469 * L3 FSM state U3 event PROGESS IND from L2
470 *---------------------------------------------------------------------------*/
471 static void F_03P(call_desc_t *cd)
473 NDBGL3(L3_F_MSG, "FSM function F_03P executing");
476 i4b_l4_progress_ind(cd);
480 /*---------------------------------------------------------------------------*
481 * L3 FSM state U3 event T310 timeout
482 *---------------------------------------------------------------------------*/
483 static void F_03Y(call_desc_t *cd)
485 NDBGL3(L3_F_MSG, "FSM function F_03Y executing");
486 cd->cause_out = 102; /* recovery on timer expiry */
487 i4b_l3_tx_disconnect(cd);
489 i4b_l4_disconnect_ind(cd);
492 /*---------------------------------------------------------------------------*
493 * L3 FSM state U4 event CONNECT from L2
494 *---------------------------------------------------------------------------*/
495 static void F_04O(call_desc_t *cd)
497 NDBGL3(L3_F_MSG, "FSM function F_04O executing");
498 i4b_l3_tx_connect_ack(cd); /* CONNECT ACK to network */
499 i4b_l4_connect_active_ind(cd);
502 /*---------------------------------------------------------------------------*
503 * L3 FSM state U6 event alert req from L4
504 *---------------------------------------------------------------------------*/
505 static void F_06D(call_desc_t *cd)
507 NDBGL3(L3_F_MSG, "FSM function F_06D executing");
509 if(i4b_get_dl_stat(cd) == DL_DOWN)
511 DL_Est_Req(ctrl_desc[cd->controller].unit);
512 cd->Q931state = ST_IWL;
517 cd->Q931state = ST_U7;
521 /*---------------------------------------------------------------------------*
522 * L3 FSM state U6 event incoming setup accept from L4
523 *---------------------------------------------------------------------------*/
524 static void F_06E(call_desc_t *cd)
526 NDBGL3(L3_F_MSG, "FSM function F_06E executing");
528 if(i4b_get_dl_stat(cd) == DL_DOWN)
530 DL_Est_Req(ctrl_desc[cd->controller].unit);
531 cd->Q931state = ST_IWA;
535 i4b_l3_tx_connect(cd);
536 cd->Q931state = ST_U8;
541 /*---------------------------------------------------------------------------*
542 * L3 FSM state U6 event incoming setup reject from L4
543 *---------------------------------------------------------------------------*/
544 static void F_06F(call_desc_t *cd)
546 NDBGL3(L3_F_MSG, "FSM function F_06F executing");
548 if(i4b_get_dl_stat(cd) == DL_DOWN)
550 DL_Est_Req(ctrl_desc[cd->controller].unit);
551 cd->Q931state = ST_IWR;
556 i4b_l3_tx_release_complete(cd, 1);
557 cd->Q931state = ST_U0;
563 /*---------------------------------------------------------------------------*
564 * L3 FSM state U6 event incoming setup ignore from L4
565 *---------------------------------------------------------------------------*/
566 static void F_06G(call_desc_t *cd)
568 NDBGL3(L3_F_MSG, "FSM function F_06G executing");
572 /*---------------------------------------------------------------------------*
573 * L3 FSM state U6 event RELEASE from L2
574 *---------------------------------------------------------------------------*/
575 static void F_06J(call_desc_t *cd)
577 NDBGL3(L3_F_MSG, "FSM function F_06J executing");
578 i4b_l3_tx_release_complete(cd, 0);
579 i4b_l4_disconnect_ind(cd);
583 /*---------------------------------------------------------------------------*
584 * L3 FSM state U6 event DISCONNECT from L2
585 *---------------------------------------------------------------------------*/
586 static void F_06Q(call_desc_t *cd)
588 NDBGL3(L3_F_MSG, "FSM function F_06Q executing");
589 i4b_l4_disconnect_ind(cd);
592 /*---------------------------------------------------------------------------*
593 * L3 FSM state U7 event setup response accept from L4
594 *---------------------------------------------------------------------------*/
595 static void F_07E(call_desc_t *cd)
597 NDBGL3(L3_F_MSG, "FSM function F_07E executing");
598 i4b_l3_tx_connect(cd);
602 /*---------------------------------------------------------------------------*
603 * L3 FSM state U7 event setup response reject from L4
604 *---------------------------------------------------------------------------*/
605 static void F_07F(call_desc_t *cd)
607 NDBGL3(L3_F_MSG, "FSM function F_07F executing");
608 i4b_l3_tx_release_complete(cd, 1);
612 /*---------------------------------------------------------------------------*
613 * L3 FSM state U7 event setup response ignore from L4
614 *---------------------------------------------------------------------------*/
615 static void F_07G(call_desc_t *cd)
617 NDBGL3(L3_F_MSG, "FSM function F_07G executing");
621 /*---------------------------------------------------------------------------*
622 * L3 FSM state U8 event CONNECT ACK from L2
623 *---------------------------------------------------------------------------*/
624 static void F_08R(call_desc_t *cd)
626 NDBGL3(L3_F_MSG, "FSM function F_08R executing");
628 i4b_l4_connect_active_ind(cd);
631 /*---------------------------------------------------------------------------*
632 * L3 FSM state U8 event T313 timeout
633 *---------------------------------------------------------------------------*/
634 static void F_08Z(call_desc_t *cd)
636 NDBGL3(L3_F_MSG, "FSM function F_08Z executing");
637 cd->cause_out = 102; /* recovery on timer expiry */
638 i4b_l3_tx_disconnect(cd);
640 i4b_l4_disconnect_ind(cd);
643 /*---------------------------------------------------------------------------*
644 * L3 FSM state U9 event alert req from L4
645 *---------------------------------------------------------------------------*/
646 static void F_09D(call_desc_t *cd)
648 NDBGL3(L3_F_MSG, "FSM function F_09D executing");
652 /*---------------------------------------------------------------------------*
653 * L3 FSM state U9 event setup response accept from L4
654 *---------------------------------------------------------------------------*/
655 static void F_09E(call_desc_t *cd)
657 NDBGL3(L3_F_MSG, "FSM function F_09E executing");
658 i4b_l3_tx_connect(cd);
662 /*---------------------------------------------------------------------------*
663 * L3 FSM state U9 event setup response reject from L4
664 *---------------------------------------------------------------------------*/
665 static void F_09F(call_desc_t *cd)
667 NDBGL3(L3_F_MSG, "FSM function F_09F executing");
668 i4b_l3_tx_release_complete(cd, 1);
671 /*---------------------------------------------------------------------------*
672 * L3 FSM state U9 event setup response ignore from L4
673 *---------------------------------------------------------------------------*/
674 static void F_09G(call_desc_t *cd)
676 NDBGL3(L3_F_MSG, "FSM function F_09G executing");
680 /*---------------------------------------------------------------------------*
681 * L3 FSM state U11 event RELEASE from L2
682 *---------------------------------------------------------------------------*/
683 static void F_11J(call_desc_t *cd)
685 NDBGL3(L3_F_MSG, "FSM function F_11J executing");
687 i4b_l3_tx_release_complete(cd, 0);
688 i4b_l4_disconnect_ind(cd);
692 /*---------------------------------------------------------------------------*
693 * L3 FSM state U11 event DISCONNECT from L2
694 *---------------------------------------------------------------------------*/
695 static void F_11Q(call_desc_t *cd)
697 NDBGL3(L3_F_MSG, "FSM function F_11Q executing");
699 i4b_l3_tx_release(cd, 0);
700 cd->T308_first_to = 1;
704 /*---------------------------------------------------------------------------*
705 * L3 FSM state U11 event T305 timeout
706 *---------------------------------------------------------------------------*/
707 static void F_11V(call_desc_t *cd)
709 NDBGL3(L3_F_MSG, "FSM function F_11V executing");
711 i4b_l3_tx_release(cd, 1);
712 cd->T308_first_to = 1;
716 /*---------------------------------------------------------------------------*
717 * L3 FSM state U12 event release req from L4
718 *---------------------------------------------------------------------------*/
719 static void F_12C(call_desc_t *cd)
721 NDBGL3(L3_F_MSG, "FSM function F_12C executing");
722 i4b_l3_tx_release(cd, 1);
723 cd->T308_first_to = 1;
727 /*---------------------------------------------------------------------------*
728 * L3 FSM state U12 event RELEASE from L2
729 *---------------------------------------------------------------------------*/
730 static void F_12J(call_desc_t *cd)
732 NDBGL3(L3_F_MSG, "FSM function F_12J executing");
733 i4b_l3_tx_release_complete(cd, 0);
734 i4b_l4_disconnect_ind(cd);
738 /*---------------------------------------------------------------------------*
739 * L3 FSM state U19 event STATUS from L2
740 *---------------------------------------------------------------------------*/
741 static void F_19I(call_desc_t *cd)
743 NDBGL3(L3_F_MSG, "FSM function F_19I executing");
745 if(cd->call_state == 0)
747 i4b_l4_status_ind(cd);
749 cd->Q931state = ST_U0;
753 cd->Q931state = ST_U19;
757 /*---------------------------------------------------------------------------*
758 * L3 FSM state U19 event RELEASE from L2
759 *---------------------------------------------------------------------------*/
760 static void F_19J(call_desc_t *cd)
762 NDBGL3(L3_F_MSG, "FSM function F_19J executing");
764 i4b_l4_disconnect_ind(cd);
768 /*---------------------------------------------------------------------------*
769 * L3 FSM state U19 event RELEASE COMPLETE from L2
770 *---------------------------------------------------------------------------*/
771 static void F_19K(call_desc_t *cd)
773 NDBGL3(L3_F_MSG, "FSM function F_19K executing");
775 i4b_l4_disconnect_ind(cd);
779 /*---------------------------------------------------------------------------*
780 * L3 FSM state U19 event T308 timeout
781 *---------------------------------------------------------------------------*/
782 static void F_19W(call_desc_t *cd)
784 NDBGL3(L3_F_MSG, "FSM function F_19W executing");
785 if(cd->T308_first_to == 0)
787 cd->T308_first_to = 1;
788 i4b_l3_tx_release(cd, 0);
790 cd->Q931state = ST_U19;
794 cd->T308_first_to = 0;
795 i4b_l4_disconnect_ind(cd);
797 cd->Q931state = ST_U0;
801 /*---------------------------------------------------------------------------*
802 * L3 FSM routine no change no action
803 *---------------------------------------------------------------------------*/
804 static void F_NCNA(call_desc_t *cd)
808 /*---------------------------------------------------------------------------*
809 * L3 FSM any state event STATUS ENQ from L2
810 *---------------------------------------------------------------------------*/
811 static void F_STENQ(call_desc_t *cd)
813 NDBGL3(L3_F_MSG, "FSM function F_STENQ executing");
814 i4b_l3_tx_status(cd, CAUSE_Q850_STENQRSP); /* 30, resonse to stat enq */
817 /*---------------------------------------------------------------------------*
818 * L3 FSM any state except 0 & 19 event STATUS from L2
819 *---------------------------------------------------------------------------*/
820 static void F_STAT(call_desc_t *cd)
822 NDBGL3(L3_F_MSG, "FSM function F_STAT executing");
823 if(cd->call_state == 0)
825 i4b_l4_status_ind(cd);
826 cd->Q931state = ST_U0;
831 /* XXX !!!!!!!!!!!!!!!!!! */
833 i4b_l4_status_ind(cd);
834 cd->cause_out = 101; /* message not compatible with call state */
835 i4b_l3_tx_disconnect(cd);
837 cd->Q931state = ST_U11;
841 /*---------------------------------------------------------------------------*
842 * L3 FSM some states event INFORMATION from L2
843 *---------------------------------------------------------------------------*/
844 static void F_INFO(call_desc_t *cd)
846 NDBGL3(L3_F_MSG, "FSM function F_INFO executing");
848 /* remain in current state */
851 /*---------------------------------------------------------------------------*
852 * L3 FSM T308 timeout while expecting RELEASE COMPLETE
853 *---------------------------------------------------------------------------*/
854 static void F_308TO(call_desc_t *cd)
856 NDBGL3(L3_F_MSG, "FSM function F_308TO executing");
857 i4b_l3_stop_all_timers(cd);
858 i4b_l4_disconnect_ind(cd);
862 /*---------------------------------------------------------------------------*
863 * L3 FSM some states event RELEASE COMPLETE from L2
864 *---------------------------------------------------------------------------*/
865 static void F_RELCP(call_desc_t *cd)
867 NDBGL3(L3_F_MSG, "FSM function F_RELCP executing");
868 i4b_l3_stop_all_timers(cd);
869 i4b_l4_disconnect_ind(cd);
873 /*---------------------------------------------------------------------------*
874 * L3 FSM some states event RELEASE from L2
875 *---------------------------------------------------------------------------*/
876 static void F_REL(call_desc_t *cd)
878 NDBGL3(L3_F_MSG, "FSM function F_REL executing");
879 i4b_l3_stop_all_timers(cd);
880 i4b_l3_tx_release_complete(cd, 0);
881 i4b_l4_disconnect_ind(cd);
885 /*---------------------------------------------------------------------------*
886 * L3 FSM some states event DISCONNECT from L2
887 *---------------------------------------------------------------------------*/
888 static void F_DISC(call_desc_t *cd)
890 NDBGL3(L3_F_MSG, "FSM function F_DISC executing");
891 i4b_l3_stop_all_timers(cd);
894 * no disconnect ind to L4, no jump to state U12
895 * instead we issue a RELEASE and jump to U19
898 i4b_l3_tx_release(cd, 0);
899 cd->T308_first_to = 1;
901 cd->Q931state = ST_U19;
904 /*---------------------------------------------------------------------------*
905 * L3 FSM some states event disconnect request from L4
906 *---------------------------------------------------------------------------*/
907 static void F_DCRQ(call_desc_t *cd)
909 NDBGL3(L3_F_MSG, "FSM function F_DCRQ executing");
911 /* stop T310 in case this is the result of an incoming call for a */
912 /* calledback connection */
914 if(cd->T310 == TIMER_ACTIVE)
918 i4b_l3_tx_disconnect(cd);
920 cd->Q931state = ST_U11;
923 /*---------------------------------------------------------------------------*
924 * L3 FSM any state except 0 event unexpected message from L2
925 *---------------------------------------------------------------------------*/
926 static void F_UEM(call_desc_t *cd)
928 NDBGL3(L3_F_ERR, "FSM function F_UEM executing, state = %s", print_l3state(cd));
929 i4b_l3_tx_status(cd, CAUSE_Q850_MSGNCWCS); /* 101, message not compatible with call state */
932 /*---------------------------------------------------------------------------*
933 * L3 FSM any state except 0 event SETUP from L2
934 *---------------------------------------------------------------------------*/
935 static void F_SIGN(call_desc_t *cd)
937 NDBGL3(L3_F_ERR, "FSM function F_SIGN executing");
939 /* XXX */ /* freecd_by_cd(cd); ?????????? XXX */
942 /*---------------------------------------------------------------------------*
943 * L3 FSM relevant states event DL ESTABLISH IND from L2
944 *---------------------------------------------------------------------------*/
945 static void F_DLEI(call_desc_t *cd)
947 NDBGL3(L3_F_MSG, "FSM function F_DLEI executing");
951 /* remain in current state */
954 /*---------------------------------------------------------------------------*
955 * L3 FSM any state event illegal event occured
956 *---------------------------------------------------------------------------*/
957 static void F_ILL(call_desc_t *cd)
959 NDBGL3(L3_F_MSG, "FSM function F_ILL executing");
962 /*---------------------------------------------------------------------------*
963 * L3 FSM any state event T309 timeout
964 *---------------------------------------------------------------------------*/
965 static void F_309TO(call_desc_t *cd)
967 NDBGL3(L3_F_ERR, "FSM function F_309TO executing");
972 i4b_l4_dl_fail_ind(cd);
978 /*---------------------------------------------------------------------------*
979 * L3 FSM any state event FACILITY message received
980 *---------------------------------------------------------------------------*/
981 static void F_FCTY(call_desc_t *cd)
983 NDBGL3(L3_F_MSG, "FSM function F_FCTY executing");
984 /* ST_SUSE, no change in state ! */
987 /*---------------------------------------------------------------------------*
988 * L3 FSM state ST_OW event DL ESTABLISH CONF from L2
989 *---------------------------------------------------------------------------*/
990 static void F_DECF1(call_desc_t *cd)
992 NDBGL3(L3_F_MSG, "FSM function F_DECF1 executing");
996 /*---------------------------------------------------------------------------*
997 * L3 FSM state ST_IWA event DL ESTABLISH CONF from L2
998 *---------------------------------------------------------------------------*/
999 static void F_DECF2(call_desc_t *cd)
1001 NDBGL3(L3_F_MSG, "FSM function F_DECF2 executing");
1002 i4b_l3_tx_connect(cd);
1005 /*---------------------------------------------------------------------------*
1006 * L3 FSM state ST_IWR event DL ESTABLISH CONF from L2
1007 *---------------------------------------------------------------------------*/
1008 static void F_DECF3(call_desc_t *cd)
1010 NDBGL3(L3_F_MSG, "FSM function F_DECF3 executing");
1011 i4b_l3_tx_release_complete(cd, 1);
1015 /*---------------------------------------------------------------------------*
1016 * L3 FSM state ST_IWL event DL ESTABLISH CONF from L2
1017 *---------------------------------------------------------------------------*/
1018 static void F_DECF4(call_desc_t *cd)
1020 NDBGL3(L3_F_MSG, "FSM function F_DECF4 executing");
1021 i4b_l3_tx_alert(cd);
1025 /*---------------------------------------------------------------------------*
1026 * L3 FSM any state event DL ESTABLISH CONF from L2
1027 *---------------------------------------------------------------------------*/
1028 static void F_DECF(call_desc_t *cd)
1030 NDBGL3(L3_F_MSG, "FSM function F_DECF executing");
1032 i4b_l3_tx_status(cd, CAUSE_Q850_NORMUNSP); /* 31, normal unspecified */
1035 /*---------------------------------------------------------------------------*
1036 * L3 FSM any state except U10 event DL RELEASE IND from L2
1037 *---------------------------------------------------------------------------*/
1038 static void F_DLRI(call_desc_t *cd)
1040 NDBGL3(L3_F_MSG, "FSM function F_DLRI executing");
1041 i4b_l3_stop_all_timers(cd);
1042 i4b_l4_disconnect_ind(cd);
1046 /*---------------------------------------------------------------------------*
1047 * L3 FSM state U10 event DL RELEASE IND from L2
1048 *---------------------------------------------------------------------------*/
1049 static void F_DLRIA(call_desc_t *cd)
1051 NDBGL3(L3_F_MSG, "FSM function F_DLRIA executing");
1053 if(cd->T309 == TIMER_IDLE)
1056 DL_Est_Req(ctrl_desc[cd->controller].unit);
1059 #endif /* NI4BQ931 > 0 */