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Expand PMF_FN_* macros.
[netbsd-mini2440.git] / sys / netisdn / i4b_l3fsm.c
blob893aca236ad23c6fb3f9ed47aca5448eb75665df
1 /*
2 * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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.
12 *
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
23 * SUCH DAMAGE.
24 *
25 *---------------------------------------------------------------------------
26 *
27 * i4b_l3fsm.c - layer 3 FSM
28 * -------------------------
29 *
30 * $Id: i4b_l3fsm.c,v 1.14 2006/11/16 01:33:49 christos Exp $
31 *
32 * $FreeBSD$
33 *
34 * last edit-date: [Fri Jan 5 11:33:47 2001]
35 *
36 *---------------------------------------------------------------------------*/
37
38 #include <sys/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: i4b_l3fsm.c,v 1.13 2006/10/16 12:23:00 pooka Exp $");
40
41 #ifdef __FreeBSD__
42 #include "i4bq931.h"
43 #else
44 #define NI4BQ931 1
45 #endif
46 #if NI4BQ931 > 0
47
48 #include <sys/param.h>
49 #include <sys/kernel.h>
50 #include <sys/systm.h>
51 #include <sys/mbuf.h>
52 #include <sys/socket.h>
53 #include <net/if.h>
54
55 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
56 #include <sys/callout.h>
57 #endif
58
59 #ifdef __FreeBSD__
60 #include <machine/i4b_debug.h>
61 #include <machine/i4b_ioctl.h>
62 #include <machine/i4b_cause.h>
63 #else
64 #include <netisdn/i4b_debug.h>
65 #include <netisdn/i4b_ioctl.h>
66 #include <netisdn/i4b_cause.h>
67 #endif
68
69 #include <netisdn/i4b_isdnq931.h>
70 #include <netisdn/i4b_l2.h>
71 #include <netisdn/i4b_l1l2.h>
72 #include <netisdn/i4b_l3l4.h>
73 #include <netisdn/i4b_mbuf.h>
74 #include <netisdn/i4b_global.h>
75 #include <netisdn/i4b_l3.h>
76 #include <netisdn/i4b_l3fsm.h>
77 #include <netisdn/i4b_q931.h>
78 #include <netisdn/i4b_l4.h>
79
80
81 static void F_00A(call_desc_t *cd), F_00H(call_desc_t *cd), F_00I(call_desc_t *cd);
82 static void F_00J(call_desc_t *cd);
83
84 static void F_01B(call_desc_t *cd), F_01K(call_desc_t *cd), F_01L(call_desc_t *cd);
85 static void F_01M(call_desc_t *cd), F_01N(call_desc_t *cd), F_01U(call_desc_t *cd);
86 static void F_01O(call_desc_t *cd);
87
88 static void F_03C(call_desc_t *cd), F_03N(call_desc_t *cd), F_03O(call_desc_t *cd);
89 static void F_03P(call_desc_t *cd), F_03Y(call_desc_t *cd);
90
91 static void F_04O(call_desc_t *cd);
92
93 static void F_06D(call_desc_t *cd), F_06E(call_desc_t *cd), F_06F(call_desc_t *cd);
94 static void F_06G(call_desc_t *cd), F_06J(call_desc_t *cd), F_06Q(call_desc_t *cd);
95
96 static void F_07E(call_desc_t *cd), F_07F(call_desc_t *cd), F_07G(call_desc_t *cd);
97
98 static void F_08R(call_desc_t *cd), F_08Z(call_desc_t *cd);
99
100 static void F_09D(call_desc_t *cd), F_09E(call_desc_t *cd), F_09F(call_desc_t *cd);
101 static void F_09G(call_desc_t *cd);
102
103 static void F_11J(call_desc_t *cd), F_11Q(call_desc_t *cd), F_11V(call_desc_t *cd);
104
105 static void F_12C(call_desc_t *cd), F_12J(call_desc_t *cd);
106
107 static void F_19I(call_desc_t *cd), F_19J(call_desc_t *cd), F_19K(call_desc_t *cd);
108 static void F_19W(call_desc_t *cd);
109
110 static void F_NCNA(call_desc_t *cd), F_STENQ(call_desc_t *cd), F_STAT(call_desc_t *cd);
111 static void F_INFO(call_desc_t *cd), F_RELCP(call_desc_t *cd), F_REL(call_desc_t *cd);
112 static void F_DISC(call_desc_t *cd), F_DCRQ(call_desc_t *cd), F_UEM(call_desc_t *cd);
113 static void F_SIGN(call_desc_t *cd), F_DLEI(call_desc_t *cd), F_ILL(call_desc_t *cd);
114 static void F_309TO(call_desc_t *cd), F_DECF(call_desc_t *cd), F_FCTY(call_desc_t *cd);
115 static void F_DECF1(call_desc_t *cd), F_DECF2(call_desc_t *cd), F_DECF3(call_desc_t *cd);
116 static void F_DLRI(call_desc_t *cd), F_DLRIA(call_desc_t *cd), F_DECF4(call_desc_t *cd);
117
118 #if DO_I4B_DEBUG
119 static const char *l3state_text[N_STATES] = {
120 "ST_U0 - Null",
121 "ST_U1 - Out Init",
122 "ST_U3 - Out Proc",
123 "ST_U4 - Out Delv",
124 "ST_U6 - In Pres",
125 "ST_U7 - In Rxd",
126 "ST_U8 - In ConReq",
127 "ST_U9 - In Proc",
128 "ST_U10 - Active",
129 "ST_U11 - Disc Req",
130 "ST_U12 - Disc Ind",
131 "ST_U19 - Rel Req",
132
133 "ST_IWA - In Wait EST-Accept",
134 "ST_IWR - In Wait EST-Reject",
135 "ST_OW - Out Wait EST",
136 "ST_IWL - In Wait EST-Alert",
137
138 "ST_SUSE - Subroutine sets state",
139
140 "Illegal State"
141 };
142
143 static const char *l3event_text[N_EVENTS] = {
144 "EV_SETUPRQ - L4 SETUP REQ", /* setup request from L4 */
145 "EV_DISCRQ - L4 DISC REQ", /* disconnect request from L4 */
146 "EV_RELRQ - L4 REL REQ", /* release request from L4 */
147 "EV_ALERTRQ - L4 ALERT REQ", /* alerting request from L4 */
148 "EV_SETACRS - L4 accept RSP", /* setup response accept from l4 */
149 "EV_SETRJRS - L4 reject RSP", /* setup response reject from l4 */
150 "EV_SETDCRS - L4 ignore RSP", /* setup response dontcare from l4 */
151
152 "EV_SETUP - rxd SETUP", /* incoming SETUP message from L2 */
153 "EV_STATUS - rxd STATUS", /* incoming STATUS message from L2 */
154 "EV_RELEASE - rxd REL", /* incoming RELEASE message from L2 */
155 "EV_RELCOMP - rxd REL COMPL", /* incoming RELEASE COMPLETE from L2 */
156 "EV_SETUPAK - rxd SETUP ACK", /* incoming SETUP ACK message from L2 */
157 "EV_CALLPRC - rxd CALL PROC", /* incoming CALL PROCEEDING from L2 */
158 "EV_ALERT - rxd ALERT", /* incoming ALERT message from L2 */
159 "EV_CONNECT - rxd CONNECT", /* incoming CONNECT message from L2 */
160 "EV_PROGIND - rxd PROG IND", /* incoming Progress IND from L2 */
161 "EV_DISCONN - rxd DISC", /* incoming DISCONNECT message from L2 */
162 "EV_CONACK - rxd CONN ACK", /* incoming CONNECT ACK message from L2 */
163 "EV_STATENQ - rxd STAT ENQ", /* incoming STATUS ENQ message from L2 */
164 "EV_INFO - rxd INFO", /* incoming INFO message from L2 */
165 "EV_FACILITY - rxd FACILITY", /* incoming FACILITY message */
166
167 "EV_T303EXP - T303 timeout", /* Timer T303 expired */
168 "EV_T305EXP - T305 timeout", /* Timer T305 expired */
169 "EV_T308EXP - T308 timeout", /* Timer T308 expired */
170 "EV_T309EXP - T309 timeout", /* Timer T309 expired */
171 "EV_T310EXP - T310 timeout", /* Timer T310 expired */
172 "EV_T313EXP - T313 timeout", /* Timer T313 expired */
173
174 "EV_DLESTIN - L2 DL_Est_Ind", /* dl establish indication from l2 */
175 "EV_DLRELIN - L2 DL_Rel_Ind", /* dl release indication from l2 */
176 "EV_DLESTCF - L2 DL_Est_Cnf", /* dl establish confirm from l2 */
177 "EV_DLRELCF - L2 DL_Rel_Cnf", /* dl release confirm from l2 */
178
179 "EV_ILL - Illegal event!!" /* Illegal */
180 };
181 #endif
182
183 /*---------------------------------------------------------------------------*
184 * layer 3 state transition table
185 *---------------------------------------------------------------------------*/
186 struct l3state_tab {
187 void (*func) (call_desc_t *); /* function to execute */
188 int newstate; /* next state */
189 } l3state_tab[N_EVENTS][N_STATES] = {
190
191 /* 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 */
192 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
193 /*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}},
194 /*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}},
195 /*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}},
196 /*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}},
197 /*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}},
198 /*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}},
199 /*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}},
200 /* 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 */
201 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
202 /*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}},
203 /*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}},
204 /*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}},
205 /*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}},
206 /*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}},
207 /*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}},
208 /*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}},
209 /*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}},
210 /*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}},
211 /*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}},
212 /*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}},
213 /*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}},
214 /*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}},
215 /*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}},
216 /* 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 */
217 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
218 /*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}},
219 /*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}},
220 /*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_ILL, 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}},
221 /*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}},
222 /*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}},
223 /*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}},
224 /* 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 */
225 /* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
226 /*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}},
227 /*EV_DLRELIN*/ {{F_NCNA, 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_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}},
228 /*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}},
229 /*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}},
230 /*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}}
231 };
232
233 /*---------------------------------------------------------------------------*
234 * event handler
235 *---------------------------------------------------------------------------*/
236 void next_l3state(call_desc_t *cd, int event)
237 {
238 int currstate, newstate;
239
240 if(event > N_EVENTS)
241 panic("i4b_l3fsm.c: event > N_EVENTS");
242
243 currstate = cd->Q931state;
244
245 if(currstate > N_STATES)
246 panic("i4b_l3fsm.c: currstate > N_STATES");
247
248 newstate = l3state_tab[event][currstate].newstate;
249
250 if(newstate > N_STATES)
251 panic("i4b_l3fsm.c: newstate > N_STATES");
252
253 NDBGL3(L3_F_MSG, "L3 FSM event [%s]: [%s => %s]",
254 l3event_text[event],
255 l3state_text[currstate],
256 l3state_text[newstate]);
257
258 /* execute function */
259
260 (*l3state_tab[event][currstate].func)(cd);
261
262 if(newstate == ST_ILL)
263 {
264 newstate = currstate;
265 NDBGL3(L3_F_ERR, "FSM illegal state, state = %s, event = %s!",
266 l3state_text[newstate],
267 l3event_text[event]);
268 }
269
270 if(newstate != ST_SUSE)
271 cd->Q931state = newstate;
272 }
273
274 #if DO_I4B_DEBUG
275 /*---------------------------------------------------------------------------*
276 * return pointer to current state description
277 *---------------------------------------------------------------------------*/
278 const char *print_l3state(call_desc_t *cd)
279 {
280 return(l3state_text[cd->Q931state]);
281 }
282 #endif
283
284 /*---------------------------------------------------------------------------*
285 * L3 FSM state U0 event L4 setup req
286 *---------------------------------------------------------------------------*/
287 static void F_00A(call_desc_t *cd)
288 {
289 NDBGL3(L3_F_MSG, "FSM function F_00A executing");
290
291 if(i4b_get_dl_stat(cd) == DL_DOWN)
292 {
293 struct l2_softc * l2sc = (l2_softc_t*)cd->l3drv->l1_token;
294 i4b_dl_establish_req(l2sc, l2sc->drv);
295 cd->Q931state = ST_OW;
296 }
297 else
298 {
299 i4b_l3_tx_setup(cd);
300 cd->Q931state = ST_U1;
301 }
302
303 cd->T303_first_to = 1;
304 T303_start(cd);
305 }
306
307 /*---------------------------------------------------------------------------*
308 * L3 FSM state U0 event SETUP from L2
309 *---------------------------------------------------------------------------*/
310 static void F_00H(call_desc_t *cd)
311 {
312 NDBGL3(L3_F_MSG, "FSM function F_00H executing");
313 i4b_l4_connect_ind(cd); /* tell l4 we have an incoming setup */
314 }
315
316 /*---------------------------------------------------------------------------*
317 * L3 FSM state U0 event STATUS from L2
318 *---------------------------------------------------------------------------*/
319 static void F_00I(call_desc_t *cd)
320 {
321 NDBGL3(L3_F_MSG, "FSM function F_00I executing");
322
323 if(cd->call_state != 0)
324 {
325 cd->cause_out = 101;
326 i4b_l3_tx_release_complete(cd, 1); /* 1 = send cause */
327 }
328 cd->Q931state = ST_U0;
329 }
330
331 /*---------------------------------------------------------------------------*
332 * L3 FSM state U0 event RELEASE from L2
333 *---------------------------------------------------------------------------*/
334 static void F_00J(call_desc_t *cd)
335 {
336 NDBGL3(L3_F_MSG, "FSM function F_00J executing");
337 i4b_l3_tx_release_complete(cd, 0); /* 0 = don't send cause */
338 }
339
340 /*---------------------------------------------------------------------------*
341 * L3 FSM state U1 event disconnect req from L4
342 *---------------------------------------------------------------------------*/
343 static void F_01B(call_desc_t *cd)
344 {
345 NDBGL3(L3_F_MSG, "FSM function F_01B executing");
346 /* cause from L4 */
347 i4b_l3_tx_disconnect(cd);
348 T303_stop(cd);
349 T305_start(cd);
350 }
351
352 /*---------------------------------------------------------------------------*
353 * L3 FSM state U1 event RELEASE COMPLETE from L2
354 *---------------------------------------------------------------------------*/
355 static void F_01K(call_desc_t *cd)
356 {
357 NDBGL3(L3_F_MSG, "FSM function F_01K executing");
358 T303_stop(cd);
359 i4b_l4_disconnect_ind(cd); /* tell l4 we were rejected */
360 freecd_by_cd(cd);
361 }
362
363 /*---------------------------------------------------------------------------*
364 * L3 FSM state U1 event SETUP ACK from L2
365 *---------------------------------------------------------------------------*/
366 static void F_01L(call_desc_t *cd)
367 {
368 NDBGL3(L3_F_MSG, "FSM function F_01L executing");
369 T303_stop(cd);
370
371 /*
372 * since this implementation does NOT support overlap sending,
373 * we react here as if we received a CALL PROCEEDING because
374 * several PBX's react with a SETUP ACK even if the called
375 * number is complete AND we sent a SENDING COMPLETE in the
376 * preceding SETUP message. (-hm)
377 */
378
379 T310_start(cd);
380 i4b_l4_proceeding_ind(cd);
381 }
382
383 /*---------------------------------------------------------------------------*
384 * L3 FSM state U1 event CALL PROCEEDING from L2
385 *---------------------------------------------------------------------------*/
386 static void F_01M(call_desc_t *cd)
387 {
388 NDBGL3(L3_F_MSG, "FSM function F_01M executing");
389 T303_stop(cd);
390 T310_start(cd);
391 i4b_l4_proceeding_ind(cd);
392 }
393
394 /*---------------------------------------------------------------------------*
395 * L3 FSM state U1 event ALERT from L2 (XXX !)
396 *---------------------------------------------------------------------------*/
397 static void F_01N(call_desc_t *cd)
398 {
399 NDBGL3(L3_F_MSG, "FSM function F_01N executing");
400 T303_stop(cd);
401 i4b_l4_alert_ind(cd);
402 }
403
404 /*---------------------------------------------------------------------------*
405 * L3 FSM state U1 event CONNECT from L2 (XXX !)
406 *---------------------------------------------------------------------------*/
407 static void F_01O(call_desc_t *cd)
408 {
409 NDBGL3(L3_F_MSG, "FSM function F_01O executing");
410 T303_stop(cd);
411 i4b_l3_tx_connect_ack(cd);
412 i4b_l4_connect_active_ind(cd);
413 }
414
415 /*---------------------------------------------------------------------------*
416 * L3 FSM state U1 event T303 timeout
417 *---------------------------------------------------------------------------*/
418 static void F_01U(call_desc_t *cd)
419 {
420 NDBGL3(L3_F_MSG, "FSM function F_01U executing");
421 if(cd->T303_first_to == 1)
422 {
423 cd->T303_first_to = 0;
424 i4b_l3_tx_setup(cd);
425 T303_start(cd);
426 cd->Q931state = ST_U1;
427 }
428 else
429 {
430 i4b_l4_disconnect_ind(cd);
431 freecd_by_cd(cd);
432 cd->Q931state = ST_U0;
433 }
434 }
435
436 /*---------------------------------------------------------------------------*
437 * L3 FSM state U3 event release req from L4
438 *---------------------------------------------------------------------------*/
439 static void F_03C(call_desc_t *cd)
440 {
441 NDBGL3(L3_F_MSG, "FSM function F_03C executing");
442 T310_stop(cd);
443 cd->cause_out = 6;
444 i4b_l3_tx_release(cd, 1); /* 0 = don't send cause */
445 cd->T308_first_to = 1;
446 T308_start(cd);
447 }
448
449 /*---------------------------------------------------------------------------*
450 * L3 FSM state U3 event ALERT from L2
451 *---------------------------------------------------------------------------*/
452 static void F_03N(call_desc_t *cd)
453 {
454 NDBGL3(L3_F_MSG, "FSM function F_03N executing");
455 T310_stop(cd);
456 i4b_l4_alert_ind(cd);
457 }
458
459 /*---------------------------------------------------------------------------*
460 * L3 FSM state U3 event CONNECT from L2
461 *---------------------------------------------------------------------------*/
462 static void F_03O(call_desc_t *cd)
463 {
464 NDBGL3(L3_F_MSG, "FSM function F_03O executing");
465 T310_stop(cd);
466 i4b_l3_tx_connect_ack(cd); /* CONNECT ACK to network */
467 i4b_l4_connect_active_ind(cd);
468 }
469
470 /*---------------------------------------------------------------------------*
471 * L3 FSM state U3 event PROGESS IND from L2
472 *---------------------------------------------------------------------------*/
473 static void F_03P(call_desc_t *cd)
474 {
475 NDBGL3(L3_F_MSG, "FSM function F_03P executing");
476 T310_stop(cd);
477 #ifdef NOTDEF
478 i4b_l4_progress_ind(cd);
479 #endif
480 }
481
482 /*---------------------------------------------------------------------------*
483 * L3 FSM state U3 event T310 timeout
484 *---------------------------------------------------------------------------*/
485 static void F_03Y(call_desc_t *cd)
486 {
487 NDBGL3(L3_F_MSG, "FSM function F_03Y executing");
488 cd->cause_out = 102; /* recovery on timer expiry */
489 i4b_l3_tx_disconnect(cd);
490 T305_start(cd);
491 i4b_l4_disconnect_ind(cd);
492 }
493
494 /*---------------------------------------------------------------------------*
495 * L3 FSM state U4 event CONNECT from L2
496 *---------------------------------------------------------------------------*/
497 static void F_04O(call_desc_t *cd)
498 {
499 NDBGL3(L3_F_MSG, "FSM function F_04O executing");
500 i4b_l3_tx_connect_ack(cd); /* CONNECT ACK to network */
501 i4b_l4_connect_active_ind(cd);
502 }
503
504 /*---------------------------------------------------------------------------*
505 * L3 FSM state U6 event alert req from L4
506 *---------------------------------------------------------------------------*/
507 static void F_06D(call_desc_t *cd)
508 {
509 NDBGL3(L3_F_MSG, "FSM function F_06D executing");
510
511 if(i4b_get_dl_stat(cd) == DL_DOWN)
512 {
513 struct l2_softc * l2sc = (l2_softc_t*)cd->l3drv->l1_token;
514 i4b_dl_establish_req(l2sc, l2sc->drv);
515 cd->Q931state = ST_IWL;
516 }
517 else
518 {
519 i4b_l3_tx_alert(cd);
520 cd->Q931state = ST_U7;
521 }
522 }
523
524 /*---------------------------------------------------------------------------*
525 * L3 FSM state U6 event incoming setup accept from L4
526 *---------------------------------------------------------------------------*/
527 static void F_06E(call_desc_t *cd)
528 {
529 NDBGL3(L3_F_MSG, "FSM function F_06E executing");
530
531 if(i4b_get_dl_stat(cd) == DL_DOWN)
532 {
533 struct l2_softc * l2sc = (l2_softc_t*)cd->l3drv->l1_token;
534 i4b_dl_establish_req(l2sc, l2sc->drv);
535 cd->Q931state = ST_IWA;
536 }
537 else
538 {
539 i4b_l3_tx_connect(cd);
540 cd->Q931state = ST_U8;
541 }
542 T313_start(cd);
543 }
544
545 /*---------------------------------------------------------------------------*
546 * L3 FSM state U6 event incoming setup reject from L4
547 *---------------------------------------------------------------------------*/
548 static void F_06F(call_desc_t *cd)
549 {
550 NDBGL3(L3_F_MSG, "FSM function F_06F executing");
551
552 if(i4b_get_dl_stat(cd) == DL_DOWN)
553 {
554 struct l2_softc * l2sc = (l2_softc_t*)cd->l3drv->l1_token;
555 i4b_dl_establish_req(l2sc, l2sc->drv);
556 cd->Q931state = ST_IWR;
557 }
558 else
559 {
560 int s = splnet();
561 i4b_l3_tx_release_complete(cd, 1);
562 cd->Q931state = ST_U0;
563 freecd_by_cd(cd);
564 splx(s);
565 }
566 }
567
568 /*---------------------------------------------------------------------------*
569 * L3 FSM state U6 event incoming setup ignore from L4
570 *---------------------------------------------------------------------------*/
571 static void F_06G(call_desc_t *cd)
572 {
573 NDBGL3(L3_F_MSG, "FSM function F_06G executing");
574 freecd_by_cd(cd);
575 }
576
577 /*---------------------------------------------------------------------------*
578 * L3 FSM state U6 event RELEASE from L2
579 *---------------------------------------------------------------------------*/
580 static void F_06J(call_desc_t *cd)
581 {
582 NDBGL3(L3_F_MSG, "FSM function F_06J executing");
583 i4b_l3_tx_release_complete(cd, 0);
584 i4b_l4_disconnect_ind(cd);
585 freecd_by_cd(cd);
586 }
587
588 /*---------------------------------------------------------------------------*
589 * L3 FSM state U6 event DISCONNECT from L2
590 *---------------------------------------------------------------------------*/
591 static void F_06Q(call_desc_t *cd)
592 {
593 NDBGL3(L3_F_MSG, "FSM function F_06Q executing");
594 i4b_l4_disconnect_ind(cd);
595 }
596
597 /*---------------------------------------------------------------------------*
598 * L3 FSM state U7 event setup response accept from L4
599 *---------------------------------------------------------------------------*/
600 static void F_07E(call_desc_t *cd)
601 {
602 NDBGL3(L3_F_MSG, "FSM function F_07E executing");
603 i4b_l3_tx_connect(cd);
604 T313_start(cd);
605 }
606
607 /*---------------------------------------------------------------------------*
608 * L3 FSM state U7 event setup response reject from L4
609 *---------------------------------------------------------------------------*/
610 static void F_07F(call_desc_t *cd)
611 {
612 NDBGL3(L3_F_MSG, "FSM function F_07F executing");
613 i4b_l3_tx_release_complete(cd, 1);
614 freecd_by_cd(cd);
615 }
616
617 /*---------------------------------------------------------------------------*
618 * L3 FSM state U7 event setup response ignore from L4
619 *---------------------------------------------------------------------------*/
620 static void F_07G(call_desc_t *cd)
621 {
622 NDBGL3(L3_F_MSG, "FSM function F_07G executing");
623 freecd_by_cd(cd);
624 }
625
626 /*---------------------------------------------------------------------------*
627 * L3 FSM state U8 event CONNECT ACK from L2
628 *---------------------------------------------------------------------------*/
629 static void F_08R(call_desc_t *cd)
630 {
631 NDBGL3(L3_F_MSG, "FSM function F_08R executing");
632 T313_stop(cd);
633 i4b_l4_connect_active_ind(cd);
634 }
635
636 /*---------------------------------------------------------------------------*
637 * L3 FSM state U8 event T313 timeout
638 *---------------------------------------------------------------------------*/
639 static void F_08Z(call_desc_t *cd)
640 {
641 NDBGL3(L3_F_MSG, "FSM function F_08Z executing");
642 cd->cause_out = 102; /* recovery on timer expiry */
643 i4b_l3_tx_disconnect(cd);
644 T305_start(cd);
645 i4b_l4_disconnect_ind(cd);
646 }
647
648 /*---------------------------------------------------------------------------*
649 * L3 FSM state U9 event alert req from L4
650 *---------------------------------------------------------------------------*/
651 static void F_09D(call_desc_t *cd)
652 {
653 NDBGL3(L3_F_MSG, "FSM function F_09D executing");
654 i4b_l3_tx_alert(cd);
655 }
656
657 /*---------------------------------------------------------------------------*
658 * L3 FSM state U9 event setup response accept from L4
659 *---------------------------------------------------------------------------*/
660 static void F_09E(call_desc_t *cd)
661 {
662 NDBGL3(L3_F_MSG, "FSM function F_09E executing");
663 i4b_l3_tx_connect(cd);
664 T313_start(cd);
665 }
666
667 /*---------------------------------------------------------------------------*
668 * L3 FSM state U9 event setup response reject from L4
669 *---------------------------------------------------------------------------*/
670 static void F_09F(call_desc_t *cd)
671 {
672 NDBGL3(L3_F_MSG, "FSM function F_09F executing");
673 i4b_l3_tx_release_complete(cd, 1);
674 freecd_by_cd(cd);
675 }
676 /*---------------------------------------------------------------------------*
677 * L3 FSM state U9 event setup response ignore from L4
678 *---------------------------------------------------------------------------*/
679 static void F_09G(call_desc_t *cd)
680 {
681 NDBGL3(L3_F_MSG, "FSM function F_09G executing");
682 freecd_by_cd(cd);
683 }
684
685 /*---------------------------------------------------------------------------*
686 * L3 FSM state U11 event RELEASE from L2
687 *---------------------------------------------------------------------------*/
688 static void F_11J(call_desc_t *cd)
689 {
690 NDBGL3(L3_F_MSG, "FSM function F_11J executing");
691 T305_stop(cd);
692 i4b_l3_tx_release_complete(cd, 0);
693 i4b_l4_disconnect_ind(cd);
694 freecd_by_cd(cd);
695 }
696
697 /*---------------------------------------------------------------------------*
698 * L3 FSM state U11 event DISCONNECT from L2
699 *---------------------------------------------------------------------------*/
700 static void F_11Q(call_desc_t *cd)
701 {
702 NDBGL3(L3_F_MSG, "FSM function F_11Q executing");
703 T305_stop(cd);
704 i4b_l3_tx_release(cd, 0);
705 cd->T308_first_to = 1;
706 T308_start(cd);
707 }
708
709 /*---------------------------------------------------------------------------*
710 * L3 FSM state U11 event T305 timeout
711 *---------------------------------------------------------------------------*/
712 static void F_11V(call_desc_t *cd)
713 {
714 NDBGL3(L3_F_MSG, "FSM function F_11V executing");
715 cd->cause_out = 102;
716 i4b_l3_tx_release(cd, 1);
717 cd->T308_first_to = 1;
718 T308_start(cd);
719 }
720
721 /*---------------------------------------------------------------------------*
722 * L3 FSM state U12 event release req from L4
723 *---------------------------------------------------------------------------*/
724 static void F_12C(call_desc_t *cd)
725 {
726 NDBGL3(L3_F_MSG, "FSM function F_12C executing");
727 i4b_l3_tx_release(cd, 1);
728 cd->T308_first_to = 1;
729 T308_start(cd);
730 }
731
732 /*---------------------------------------------------------------------------*
733 * L3 FSM state U12 event RELEASE from L2
734 *---------------------------------------------------------------------------*/
735 static void F_12J(call_desc_t *cd)
736 {
737 NDBGL3(L3_F_MSG, "FSM function F_12J executing");
738 i4b_l3_tx_release_complete(cd, 0);
739 i4b_l4_disconnect_ind(cd);
740 freecd_by_cd(cd);
741 }
742
743 /*---------------------------------------------------------------------------*
744 * L3 FSM state U19 event STATUS from L2
745 *---------------------------------------------------------------------------*/
746 static void F_19I(call_desc_t *cd)
747 {
748 NDBGL3(L3_F_MSG, "FSM function F_19I executing");
749
750 if(cd->call_state == 0)
751 {
752 i4b_l4_status_ind(cd);
753 freecd_by_cd(cd);
754 cd->Q931state = ST_U0;
755 }
756 else
757 {
758 cd->Q931state = ST_U19;
759 }
760 }
761
762 /*---------------------------------------------------------------------------*
763 * L3 FSM state U19 event RELEASE from L2
764 *---------------------------------------------------------------------------*/
765 static void F_19J(call_desc_t *cd)
766 {
767 NDBGL3(L3_F_MSG, "FSM function F_19J executing");
768 T308_stop(cd);
769 i4b_l4_disconnect_ind(cd);
770 freecd_by_cd(cd);
771 }
772
773 /*---------------------------------------------------------------------------*
774 * L3 FSM state U19 event RELEASE COMPLETE from L2
775 *---------------------------------------------------------------------------*/
776 static void F_19K(call_desc_t *cd)
777 {
778 NDBGL3(L3_F_MSG, "FSM function F_19K executing");
779 T308_stop(cd);
780 i4b_l4_disconnect_ind(cd);
781 freecd_by_cd(cd);
782 }
783
784 /*---------------------------------------------------------------------------*
785 * L3 FSM state U19 event T308 timeout
786 *---------------------------------------------------------------------------*/
787 static void F_19W(call_desc_t *cd)
788 {
789 NDBGL3(L3_F_MSG, "FSM function F_19W executing");
790 if(cd->T308_first_to == 0)
791 {
792 cd->T308_first_to = 1;
793 i4b_l3_tx_release(cd, 0);
794 T308_start(cd);
795 cd->Q931state = ST_U19;
796 }
797 else
798 {
799 cd->T308_first_to = 0;
800 i4b_l4_disconnect_ind(cd);
801 freecd_by_cd(cd);
802 cd->Q931state = ST_U0;
803 }
804 }
805
806 /*---------------------------------------------------------------------------*
807 * L3 FSM routine no change no action
808 *---------------------------------------------------------------------------*/
809 static void F_NCNA(call_desc_t *cd)
810 {
811 }
812
813 /*---------------------------------------------------------------------------*
814 * L3 FSM any state event STATUS ENQ from L2
815 *---------------------------------------------------------------------------*/
816 static void F_STENQ(call_desc_t *cd)
817 {
818 NDBGL3(L3_F_MSG, "FSM function F_STENQ executing");
819 i4b_l3_tx_status(cd, CAUSE_Q850_STENQRSP); /* 30, resonse to stat enq */
820 }
821
822 /*---------------------------------------------------------------------------*
823 * L3 FSM any state except 0 & 19 event STATUS from L2
824 *---------------------------------------------------------------------------*/
825 static void F_STAT(call_desc_t *cd)
826 {
827 NDBGL3(L3_F_MSG, "FSM function F_STAT executing");
828 if(cd->call_state == 0)
829 {
830 i4b_l4_status_ind(cd);
831 cd->Q931state = ST_U0;
832 freecd_by_cd(cd);
833 }
834 else
835 {
836 /* XXX !!!!!!!!!!!!!!!!!! */
837
838 i4b_l4_status_ind(cd);
839 cd->cause_out = 101; /* message not compatible with call state */
840 i4b_l3_tx_disconnect(cd);
841 T305_start(cd);
842 cd->Q931state = ST_U11;
843 }
844 }
845
846 /*---------------------------------------------------------------------------*
847 * L3 FSM some states event INFORMATION from L2
848 *---------------------------------------------------------------------------*/
849 static void F_INFO(call_desc_t *cd)
850 {
851 NDBGL3(L3_F_MSG, "FSM function F_INFO executing");
852 i4b_l4_info_ind(cd);
853 /* remain in current state */
854 }
855
856 /*---------------------------------------------------------------------------*
857 * L3 FSM some states event RELEASE COMPLETE from L2
858 *---------------------------------------------------------------------------*/
859 static void F_RELCP(call_desc_t *cd)
860 {
861 NDBGL3(L3_F_MSG, "FSM function F_RELCP executing");
862 i4b_l3_stop_all_timers(cd);
863 i4b_l4_disconnect_ind(cd);
864 freecd_by_cd(cd);
865 }
866
867 /*---------------------------------------------------------------------------*
868 * L3 FSM some states event RELEASE from L2
869 *---------------------------------------------------------------------------*/
870 static void F_REL(call_desc_t *cd)
871 {
872 NDBGL3(L3_F_MSG, "FSM function F_REL executing");
873 i4b_l3_stop_all_timers(cd);
874 i4b_l3_tx_release_complete(cd, 0);
875 i4b_l4_disconnect_ind(cd);
876 freecd_by_cd(cd);
877 }
878
879 /*---------------------------------------------------------------------------*
880 * L3 FSM some states event DISCONNECT from L2
881 *---------------------------------------------------------------------------*/
882 static void F_DISC(call_desc_t *cd)
883 {
884 NDBGL3(L3_F_MSG, "FSM function F_DISC executing");
885 i4b_l3_stop_all_timers(cd);
886
887 /*
888 * no disconnect ind to L4, no jump to state U12
889 * instead we issue a RELEASE and jump to U19
890 */
891
892 i4b_l3_tx_release(cd, 0);
893 cd->T308_first_to = 1;
894 T308_start(cd);
895 cd->Q931state = ST_U19;
896 }
897
898 /*---------------------------------------------------------------------------*
899 * L3 FSM some states event disconnect request from L4
900 *---------------------------------------------------------------------------*/
901 static void F_DCRQ(call_desc_t *cd)
902 {
903 NDBGL3(L3_F_MSG, "FSM function F_DCRQ executing");
904
905 /* stop T310 in case this is the result of an incoming call for a */
906 /* calledback connection */
907
908 if(cd->T310 == TIMER_ACTIVE)
909 T310_stop(cd);
910
911 /* cause from L4 */
912 i4b_l3_tx_disconnect(cd);
913 T305_start(cd);
914 cd->Q931state = ST_U11;
915 }
916
917 /*---------------------------------------------------------------------------*
918 * L3 FSM any state except 0 event unexpected message from L2
919 *---------------------------------------------------------------------------*/
920 static void F_UEM(call_desc_t *cd)
921 {
922 NDBGL3(L3_F_ERR, "FSM function F_UEM executing, state = %s", print_l3state(cd));
923 i4b_l3_tx_status(cd, CAUSE_Q850_MSGNCWCS); /* 101, message not compatible with call state */
924 }
925
926 /*---------------------------------------------------------------------------*
927 * L3 FSM any state except 0 event SETUP from L2
928 *---------------------------------------------------------------------------*/
929 static void F_SIGN(call_desc_t *cd)
930 {
931 NDBGL3(L3_F_ERR, "FSM function F_SIGN executing");
932
933 (void)cd;
934 /* XXX */ /* freecd_by_cd(cd); ?????????? XXX */
935 }
936
937 /*---------------------------------------------------------------------------*
938 * L3 FSM relevant states event DL ESTABLISH IND from L2
939 *---------------------------------------------------------------------------*/
940 static void F_DLEI(call_desc_t *cd)
941 {
942 NDBGL3(L3_F_MSG, "FSM function F_DLEI executing");
943
944 /* XXX */
945
946 /* remain in current state */
947 }
948
949 /*---------------------------------------------------------------------------*
950 * L3 FSM any state event illegal event occurred
951 *---------------------------------------------------------------------------*/
952 static void F_ILL(call_desc_t *cd)
953 {
954 NDBGL3(L3_F_MSG, "FSM function F_ILL executing");
955 }
956
957 /*---------------------------------------------------------------------------*
958 * L3 FSM any state event T309 timeout
959 *---------------------------------------------------------------------------*/
960 static void F_309TO(call_desc_t *cd)
961 {
962 NDBGL3(L3_F_ERR, "FSM function F_309TO executing");
963
964 /* XXX */
965
966 #ifdef NOTDEF
967 i4b_l4_dl_fail_ind(cd);
968 #endif
969
970 freecd_by_cd(cd);
971 }
972
973 /*---------------------------------------------------------------------------*
974 * L3 FSM any state event FACILITY message received
975 *---------------------------------------------------------------------------*/
976 static void F_FCTY(call_desc_t *cd)
977 {
978 NDBGL3(L3_F_MSG, "FSM function F_FCTY executing");
979 /* ST_SUSE, no change in state ! */
980 }
981
982 /*---------------------------------------------------------------------------*
983 * L3 FSM state ST_OW event DL ESTABLISH CONF from L2
984 *---------------------------------------------------------------------------*/
985 static void F_DECF1(call_desc_t *cd)
986 {
987 NDBGL3(L3_F_MSG, "FSM function F_DECF1 executing");
988 i4b_l3_tx_setup(cd);
989 }
990
991 /*---------------------------------------------------------------------------*
992 * L3 FSM state ST_IWA event DL ESTABLISH CONF from L2
993 *---------------------------------------------------------------------------*/
994 static void F_DECF2(call_desc_t *cd)
995 {
996 NDBGL3(L3_F_MSG, "FSM function F_DECF2 executing");
997 i4b_l3_tx_connect(cd);
998 }
999
1000 /*---------------------------------------------------------------------------*
1001 * L3 FSM state ST_IWR event DL ESTABLISH CONF from L2
1002 *---------------------------------------------------------------------------*/
1003 static void F_DECF3(call_desc_t *cd)
1004 {
1005 NDBGL3(L3_F_MSG, "FSM function F_DECF3 executing");
1006 i4b_l3_tx_release_complete(cd, 1);
1007 freecd_by_cd(cd);
1008 }
1009
1010 /*---------------------------------------------------------------------------*
1011 * L3 FSM state ST_IWL event DL ESTABLISH CONF from L2
1012 *---------------------------------------------------------------------------*/
1013 static void F_DECF4(call_desc_t *cd)
1014 {
1015 NDBGL3(L3_F_MSG, "FSM function F_DECF4 executing");
1016 i4b_l3_tx_alert(cd);
1017 }
1018
1019
1020 /*---------------------------------------------------------------------------*
1021 * L3 FSM any state event DL ESTABLISH CONF from L2
1022 *---------------------------------------------------------------------------*/
1023 static void F_DECF(call_desc_t *cd)
1024 {
1025 NDBGL3(L3_F_MSG, "FSM function F_DECF executing");
1026 T309_stop(cd);
1027 i4b_l3_tx_status(cd, CAUSE_Q850_NORMUNSP); /* 31, normal unspecified */
1028 }
1029
1030 /*---------------------------------------------------------------------------*
1031 * L3 FSM any state except U10 event DL RELEASE IND from L2
1032 *---------------------------------------------------------------------------*/
1033 static void F_DLRI(call_desc_t *cd)
1034 {
1035 NDBGL3(L3_F_MSG, "FSM function F_DLRI executing");
1036 i4b_l3_stop_all_timers(cd);
1037 i4b_l4_disconnect_ind(cd);
1038 freecd_by_cd(cd);
1039 }
1040
1041 /*---------------------------------------------------------------------------*
1042 * L3 FSM state U10 event DL RELEASE IND from L2
1043 *---------------------------------------------------------------------------*/
1044 static void F_DLRIA(call_desc_t *cd)
1045 {
1046 struct l2_softc * l2sc = (l2_softc_t*)cd->l3drv->l1_token;
1047 NDBGL3(L3_F_MSG, "FSM function F_DLRIA executing");
1048
1049 if(cd->T309 == TIMER_IDLE)
1050 T309_start(cd);
1051
1052 i4b_dl_establish_req(l2sc, l2sc->drv);
1053 }
1054
1055 #endif /* NI4BQ931 > 0 */
NetBSD on the FriendlyARM MINI2440