diff options
Diffstat (limited to 'sys/i4b/layer3/i4b_l3fsm.c')
| -rw-r--r-- | sys/i4b/layer3/i4b_l3fsm.c | 1034 |
1 files changed, 1034 insertions, 0 deletions
diff --git a/sys/i4b/layer3/i4b_l3fsm.c b/sys/i4b/layer3/i4b_l3fsm.c new file mode 100644 index 0000000..e45e119 --- /dev/null +++ b/sys/i4b/layer3/i4b_l3fsm.c @@ -0,0 +1,1034 @@ +/* + * Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + *--------------------------------------------------------------------------- + * + * i4b_l3fsm.c - layer 3 FSM + * ------------------------- + * + * $Id: i4b_l3fsm.c,v 1.13 1998/12/05 18:05:31 hm Exp $ + * + * last edit-date: [Sat Dec 5 18:32:17 1998] + * + *---------------------------------------------------------------------------*/ + +#ifdef __FreeBSD__ +#include "i4bq931.h" +#else +#define NI4BQ931 1 +#endif +#if NI4BQ931 > 0 +#include <sys/param.h> +#if defined(__FreeBSD__) && __FreeBSD__ >= 3 +#include <sys/ioccom.h> +#else +#include <sys/ioctl.h> +#endif +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/socket.h> +#include <net/if.h> + +#ifdef __FreeBSD__ +#include <machine/i4b_debug.h> +#include <machine/i4b_ioctl.h> +#include <machine/i4b_cause.h> +#else +#include <i4b/i4b_debug.h> +#include <i4b/i4b_ioctl.h> +#include <i4b/i4b_cause.h> +#endif + +#include <i4b/include/i4b_isdnq931.h> +#include <i4b/include/i4b_l2l3.h> +#include <i4b/include/i4b_l3l4.h> +#include <i4b/include/i4b_mbuf.h> +#include <i4b/include/i4b_global.h> + +#include <i4b/layer3/i4b_l3.h> +#include <i4b/layer3/i4b_l3fsm.h> +#include <i4b/layer3/i4b_q931.h> + +#include <i4b/layer4/i4b_l4.h> + + +static void F_00A(call_desc_t *cd), F_00H(call_desc_t *cd), F_00I(call_desc_t *cd); +static void F_00J(call_desc_t *cd); + +static void F_01B(call_desc_t *cd), F_01K(call_desc_t *cd), F_01L(call_desc_t *cd); +static void F_01M(call_desc_t *cd), F_01N(call_desc_t *cd), F_01U(call_desc_t *cd); +static void F_01O(call_desc_t *cd); + +static void F_03C(call_desc_t *cd), F_03N(call_desc_t *cd), F_03O(call_desc_t *cd); +static void F_03P(call_desc_t *cd), F_03Y(call_desc_t *cd); + +static void F_04O(call_desc_t *cd); + +static void F_06D(call_desc_t *cd), F_06E(call_desc_t *cd), F_06F(call_desc_t *cd); +static void F_06G(call_desc_t *cd), F_06J(call_desc_t *cd), F_06Q(call_desc_t *cd); + +static void F_07E(call_desc_t *cd), F_07F(call_desc_t *cd), F_07G(call_desc_t *cd); + +static void F_08R(call_desc_t *cd), F_08Z(call_desc_t *cd); + +static void F_09D(call_desc_t *cd), F_09E(call_desc_t *cd), F_09F(call_desc_t *cd); +static void F_09G(call_desc_t *cd); + +static void F_11J(call_desc_t *cd), F_11Q(call_desc_t *cd), F_11V(call_desc_t *cd); + +static void F_12C(call_desc_t *cd), F_12J(call_desc_t *cd); + +static void F_19I(call_desc_t *cd), F_19J(call_desc_t *cd), F_19K(call_desc_t *cd); +static void F_19W(call_desc_t *cd); + +static void F_NCNA(call_desc_t *cd), F_STENQ(call_desc_t *cd), F_STAT(call_desc_t *cd); +static void F_INFO(call_desc_t *cd), F_RELCP(call_desc_t *cd), F_REL(call_desc_t *cd); +static void F_DISC(call_desc_t *cd), F_DCRQ(call_desc_t *cd), F_UEM(call_desc_t *cd); +static void F_SIGN(call_desc_t *cd), F_DLEI(call_desc_t *cd), F_ILL(call_desc_t *cd); +static void F_309TO(call_desc_t *cd), F_DECF(call_desc_t *cd), F_FCTY(call_desc_t *cd); +static void F_DECF1(call_desc_t *cd), F_DECF2(call_desc_t *cd), F_DECF3(call_desc_t *cd); +static void F_DLRI(call_desc_t *cd), F_DLRIA(call_desc_t *cd), F_DECF4(call_desc_t *cd); + +static char *l3state_text[N_STATES] = { + "ST_U0 - Null", + "ST_U1 - Out Init", + "ST_U3 - Out Proc", + "ST_U4 - Out Delv", + "ST_U6 - In Pres", + "ST_U7 - In Rxd", + "ST_U8 - In ConReq", + "ST_U9 - In Proc", + "ST_U10 - Active", + "ST_U11 - Disc Req", + "ST_U12 - Disc Ind", + "ST_U19 - Rel Req", + + "ST_IWA - In Wait EST-Accept", + "ST_IWR - In Wait EST-Reject", + "ST_OW - Out Wait EST", + "ST_IWL - In Wait EST-Alert", + + "ST_SUSE - Subroutine sets state", + + "Illegal State" +}; + +static char *l3event_text[N_EVENTS] = { + "EV_SETUPRQ - L4 SETUP REQ", /* setup request from L4 */ + "EV_DISCRQ - L4 DISC REQ", /* disconnect request from L4 */ + "EV_RELRQ - L4 REL REQ", /* release request from L4 */ + "EV_ALERTRQ - L4 ALERT REQ", /* alerting request from L4 */ + "EV_SETACRS - L4 accept RSP", /* setup response accept from l4 */ + "EV_SETRJRS - L4 reject RSP", /* setup response reject from l4 */ + "EV_SETDCRS - L4 ignore RSP", /* setup response dontcare from l4 */ + + "EV_SETUP - rxd SETUP", /* incoming SETUP message from L2 */ + "EV_STATUS - rxd STATUS", /* incoming STATUS message from L2 */ + "EV_RELEASE - rxd REL", /* incoming RELEASE message from L2 */ + "EV_RELCOMP - rxd REL COMPL", /* incoming RELEASE COMPLETE from L2 */ + "EV_SETUPAK - rxd SETUP ACK", /* incoming SETUP ACK message from L2 */ + "EV_CALLPRC - rxd CALL PROC", /* incoming CALL PROCEEDING from L2 */ + "EV_ALERT - rxd ALERT", /* incoming ALERT message from L2 */ + "EV_CONNECT - rxd CONNECT", /* incoming CONNECT message from L2 */ + "EV_PROGIND - rxd PROG IND", /* incoming Progress IND from L2 */ + "EV_DISCONN - rxd DISC", /* incoming DISCONNECT message from L2 */ + "EV_CONACK - rxd CONN ACK", /* incoming CONNECT ACK message from L2 */ + "EV_STATENQ - rxd STAT ENQ", /* incoming STATUS ENQ message from L2 */ + "EV_INFO - rxd INFO", /* incoming INFO message from L2 */ + "EV_FACILITY - rxd FACILITY", /* incoming FACILITY message */ + + "EV_T303EXP - T303 timeout", /* Timer T303 expired */ + "EV_T305EXP - T305 timeout", /* Timer T305 expired */ + "EV_T308EXP - T308 timeout", /* Timer T308 expired */ + "EV_T309EXP - T309 timeout", /* Timer T309 expired */ + "EV_T310EXP - T310 timeout", /* Timer T310 expired */ + "EV_T313EXP - T313 timeout", /* Timer T313 expired */ + + "EV_DLESTIN - L2 DL_Est_Ind", /* dl establish indication from l2 */ + "EV_DLRELIN - L2 DL_Rel_Ind", /* dl release indication from l2 */ + "EV_DLESTCF - L2 DL_Est_Cnf", /* dl establish confirm from l2 */ + "EV_DLRELCF - L2 DL_Rel_Cnf", /* dl release confirm from l2 */ + + "EV_ILL - Illegal event!!" /* Illegal */ +}; + +/*---------------------------------------------------------------------------* + * layer 3 state transition table + *---------------------------------------------------------------------------*/ +struct l3state_tab { + void (*func) (call_desc_t *); /* function to execute */ + int newstate; /* next state */ +} l3state_tab[N_EVENTS][N_STATES] = { + +/* 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 */ +/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/* 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 */ +/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/* 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 */ +/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/* 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 */ +/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ +/*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}}, +/*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}}, +/*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}}, +/*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}}, +/*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}} +}; + +/*---------------------------------------------------------------------------* + * event handler + *---------------------------------------------------------------------------*/ +void next_l3state(call_desc_t *cd, int event) +{ + int currstate, newstate; + + if(event > N_EVENTS) + panic("i4b_l3fsm.c: event > N_EVENTS\n"); + + currstate = cd->Q931state; + + if(currstate > N_STATES) + panic("i4b_l3fsm.c: currstate > N_STATES\n"); + + newstate = l3state_tab[event][currstate].newstate; + + if(newstate > N_STATES) + panic("i4b_l3fsm.c: newstate > N_STATES\n"); + + DBGL3(L3_F_MSG, "next_l3state", ("L3 FSM event [%s]: [%s => %s]\n", + l3event_text[event], + l3state_text[currstate], + l3state_text[newstate])); + + /* execute function */ + + (*l3state_tab[event][currstate].func)(cd); + + if(newstate == ST_ILL) + { + newstate = currstate; + DBGL3(L3_F_ERR, "next_l3state", ("FSM illegal state, state = %s, event = %s!\n", + l3state_text[newstate], + l3event_text[event])); + } + + if(newstate != ST_SUSE) + cd->Q931state = newstate; +} + +/*---------------------------------------------------------------------------* + * resturn pointer to current state description + *---------------------------------------------------------------------------*/ +char *print_l3state(call_desc_t *cd) +{ + return((char *) l3state_text[cd->Q931state]); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U0 event L4 setup req + *---------------------------------------------------------------------------*/ +static void F_00A(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_00A", ("FSM function F_00A executing\n")); + + if(i4b_get_dl_stat(cd) == DL_DOWN) + { + DL_Est_Req(ctrl_desc[cd->controller].unit); + cd->Q931state = ST_OW; + } + else + { + i4b_l3_tx_setup(cd); + cd->Q931state = ST_U1; + } + + cd->T303_first_to = 1; + T303_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U0 event SETUP from L2 + *---------------------------------------------------------------------------*/ +static void F_00H(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_00H", ("FSM function F_00H executing\n")); + i4b_l4_connect_ind(cd); /* tell l4 we have an incoming setup */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U0 event STATUS from L2 + *---------------------------------------------------------------------------*/ +static void F_00I(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_00I", ("FSM function F_00I executing\n")); + + if(cd->call_state != 0) + { + cd->cause_out = 101; + i4b_l3_tx_release_complete(cd, 1); /* 1 = send cause */ + } + cd->Q931state = ST_U0; +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U0 event RELEASE from L2 + *---------------------------------------------------------------------------*/ +static void F_00J(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_00J", ("FSM function F_00J executing\n")); + i4b_l3_tx_release_complete(cd, 0); /* 0 = don't send cause */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U1 event disconnect req from L4 + *---------------------------------------------------------------------------*/ +static void F_01B(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_01B", ("FSM function F_01B executing\n")); + /* cause from L4 */ + i4b_l3_tx_disconnect(cd); + T303_stop(cd); + T305_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U1 event RELEASE COMPLETE from L2 + *---------------------------------------------------------------------------*/ +static void F_01K(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_01K", ("FSM function F_01K executing\n")); + T303_stop(cd); + i4b_l4_disconnect_ind(cd); /* tell l4 we were rejected */ + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U1 event SETUP ACK from L2 + *---------------------------------------------------------------------------*/ +static void F_01L(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_01L", ("FSM function F_01L executing\n")); + T303_stop(cd); + + /* + * since this implementation does NOT support overlap sending, + * we react here as if we received a CALL PROCEEDING because + * several PBX's react with a SETUP ACK even if the called + * number is complete AND we sent a SENDING COMPLETE in the + * preceeding SETUP message. (-hm) + */ + + T310_start(cd); + i4b_l4_proceeding_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U1 event CALL PROCEEDING from L2 + *---------------------------------------------------------------------------*/ +static void F_01M(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_01M", ("FSM function F_01M executing\n")); + T303_stop(cd); + T310_start(cd); + i4b_l4_proceeding_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U1 event ALERT from L2 (XXX !) + *---------------------------------------------------------------------------*/ +static void F_01N(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_01N", ("FSM function F_01N executing\n")); + T303_stop(cd); + i4b_l4_alert_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U1 event CONNECT from L2 (XXX !) + *---------------------------------------------------------------------------*/ +static void F_01O(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_01O", ("FSM function F_01O executing\n")); + T303_stop(cd); + i4b_l3_tx_connect_ack(cd); + i4b_l4_connect_active_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U1 event T303 timeout + *---------------------------------------------------------------------------*/ +static void F_01U(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_01U", ("FSM function F_01U executing\n")); + if(cd->T303_first_to == 1) + { + cd->T303_first_to = 0; + i4b_l3_tx_setup(cd); + T303_start(cd); + cd->Q931state = ST_U1; + } + else + { + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); + cd->Q931state = ST_U0; + } +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U3 event release req from L4 + *---------------------------------------------------------------------------*/ +static void F_03C(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_03C", ("FSM function F_03C executing\n")); + T310_stop(cd); + cd->cause_out = 6; + i4b_l3_tx_release(cd, 1); /* 0 = don't send cause */ + cd->T308_first_to = 1; + T308_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U3 event ALERT from L2 + *---------------------------------------------------------------------------*/ +static void F_03N(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_03N", ("FSM function F_03N executing\n")); + T310_stop(cd); + i4b_l4_alert_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U3 event CONNECT from L2 + *---------------------------------------------------------------------------*/ +static void F_03O(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_03O", ("FSM function F_03O executing\n")); + T310_stop(cd); + i4b_l3_tx_connect_ack(cd); /* CONNECT ACK to network */ + i4b_l4_connect_active_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U3 event PROGESS IND from L2 + *---------------------------------------------------------------------------*/ +static void F_03P(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_03P", ("FSM function F_03P executing\n")); + T310_stop(cd); +#ifdef NOTDEF + i4b_l4_progress_ind(cd); +#endif +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U3 event T310 timeout + *---------------------------------------------------------------------------*/ +static void F_03Y(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_03Y", ("FSM function F_03Y executing\n")); + cd->cause_out = 102; /* recovery on timer expiry */ + i4b_l3_tx_disconnect(cd); + T305_start(cd); + i4b_l4_disconnect_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U4 event CONNECT from L2 + *---------------------------------------------------------------------------*/ +static void F_04O(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_04O", ("FSM function F_04O executing\n")); + i4b_l3_tx_connect_ack(cd); /* CONNECT ACK to network */ + i4b_l4_connect_active_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U6 event alert req from L4 + *---------------------------------------------------------------------------*/ +static void F_06D(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_06D", ("FSM function F_06D executing\n")); + + if(i4b_get_dl_stat(cd) == DL_DOWN) + { + DL_Est_Req(ctrl_desc[cd->controller].unit); + cd->Q931state = ST_IWL; + } + else + { + i4b_l3_tx_alert(cd); + cd->Q931state = ST_U7; + } +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U6 event incoming setup accept from L4 + *---------------------------------------------------------------------------*/ +static void F_06E(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_06E", ("FSM function F_06E executing\n")); + + if(i4b_get_dl_stat(cd) == DL_DOWN) + { + DL_Est_Req(ctrl_desc[cd->controller].unit); + cd->Q931state = ST_IWA; + } + else + { + i4b_l3_tx_connect(cd); + cd->Q931state = ST_U8; + } + T313_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U6 event incoming setup reject from L4 + *---------------------------------------------------------------------------*/ +static void F_06F(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_06F", ("FSM function F_06F executing\n")); + + if(i4b_get_dl_stat(cd) == DL_DOWN) + { + DL_Est_Req(ctrl_desc[cd->controller].unit); + cd->Q931state = ST_IWR; + } + else + { + int s = SPLI4B(); + i4b_l3_tx_release_complete(cd, 1); + cd->Q931state = ST_U0; + freecd_by_cd(cd); + splx(s); + } +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U6 event incoming setup ignore from L4 + *---------------------------------------------------------------------------*/ +static void F_06G(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_06G", ("FSM function F_06G executing\n")); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U6 event RELEASE from L2 + *---------------------------------------------------------------------------*/ +static void F_06J(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_06J", ("FSM function F_06J executing\n")); + i4b_l3_tx_release_complete(cd, 0); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U6 event DISCONNECT from L2 + *---------------------------------------------------------------------------*/ +static void F_06Q(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_06Q", ("FSM function F_06Q executing\n")); + i4b_l4_disconnect_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U7 event setup response accept from L4 + *---------------------------------------------------------------------------*/ +static void F_07E(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_07E", ("FSM function F_07E executing\n")); + i4b_l3_tx_connect(cd); + T313_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U7 event setup response reject from L4 + *---------------------------------------------------------------------------*/ +static void F_07F(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_07F", ("FSM function F_07F executing\n")); + i4b_l3_tx_release_complete(cd, 1); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U7 event setup response ignore from L4 + *---------------------------------------------------------------------------*/ +static void F_07G(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_07G", ("FSM function F_07G executing\n")); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U8 event CONNECT ACK from L2 + *---------------------------------------------------------------------------*/ +static void F_08R(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_08R", ("FSM function F_08R executing\n")); + T313_stop(cd); + i4b_l4_connect_active_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U8 event T313 timeout + *---------------------------------------------------------------------------*/ +static void F_08Z(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_08Z", ("FSM function F_08Z executing\n")); + cd->cause_out = 102; /* recovery on timer expiry */ + i4b_l3_tx_disconnect(cd); + T305_start(cd); + i4b_l4_disconnect_ind(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U9 event alert req from L4 + *---------------------------------------------------------------------------*/ +static void F_09D(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_09D", ("FSM function F_09D executing\n")); + i4b_l3_tx_alert(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U9 event setup response accept from L4 + *---------------------------------------------------------------------------*/ +static void F_09E(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_09E", ("FSM function F_09E executing\n")); + i4b_l3_tx_connect(cd); + T313_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U9 event setup response reject from L4 + *---------------------------------------------------------------------------*/ +static void F_09F(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_09F", ("FSM function F_09F executing\n")); + i4b_l3_tx_release_complete(cd, 1); + freecd_by_cd(cd); +} +/*---------------------------------------------------------------------------* + * L3 FSM state U9 event setup response ignore from L4 + *---------------------------------------------------------------------------*/ +static void F_09G(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_09G", ("FSM function F_09G executing\n")); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U11 event RELEASE from L2 + *---------------------------------------------------------------------------*/ +static void F_11J(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_11J", ("FSM function F_11J executing\n")); + T305_stop(cd); + i4b_l3_tx_release_complete(cd, 0); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U11 event DISCONNECT from L2 + *---------------------------------------------------------------------------*/ +static void F_11Q(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_11Q", ("FSM function F_11Q executing\n")); + T305_stop(cd); + i4b_l3_tx_release(cd, 0); + cd->T308_first_to = 1; + T308_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U11 event T305 timeout + *---------------------------------------------------------------------------*/ +static void F_11V(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_11V", ("FSM function F_11V executing\n")); + cd->cause_out = 102; + i4b_l3_tx_release(cd, 1); + cd->T308_first_to = 1; + T308_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U12 event release req from L4 + *---------------------------------------------------------------------------*/ +static void F_12C(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_12C", ("FSM function F_12C executing\n")); + i4b_l3_tx_release(cd, 1); + cd->T308_first_to = 1; + T308_start(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U12 event RELEASE from L2 + *---------------------------------------------------------------------------*/ +static void F_12J(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_12J", ("FSM function F_12J executing\n")); + i4b_l3_tx_release_complete(cd, 0); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U19 event STATUS from L2 + *---------------------------------------------------------------------------*/ +static void F_19I(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_19I", ("FSM function F_19I executing\n")); + + if(cd->call_state == 0) + { + i4b_l4_status_ind(cd); + freecd_by_cd(cd); + cd->Q931state = ST_U0; + } + else + { + cd->Q931state = ST_U19; + } +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U19 event RELEASE from L2 + *---------------------------------------------------------------------------*/ +static void F_19J(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_19J", ("FSM function F_19J executing\n")); + T308_stop(cd); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U19 event RELEASE COMPLETE from L2 + *---------------------------------------------------------------------------*/ +static void F_19K(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_19K", ("FSM function F_19K executing\n")); + T308_stop(cd); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U19 event T308 timeout + *---------------------------------------------------------------------------*/ +static void F_19W(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_19W", ("FSM function F_19W executing\n")); + if(cd->T308_first_to == 0) + { + cd->T308_first_to = 1; + i4b_l3_tx_release(cd, 0); + T308_start(cd); + cd->Q931state = ST_U19; + } + else + { + cd->T308_first_to = 0; + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); + cd->Q931state = ST_U0; + } +} + +/*---------------------------------------------------------------------------* + * L3 FSM routine no change no action + *---------------------------------------------------------------------------*/ +static void F_NCNA(call_desc_t *cd) +{ +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state event STATUS ENQ from L2 + *---------------------------------------------------------------------------*/ +static void F_STENQ(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_STENQ", ("FSM function F_STENQ executing\n")); + i4b_l3_tx_status(cd, CAUSE_Q850_STENQRSP); /* 30, resonse to stat enq */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state except 0 & 19 event STATUS from L2 + *---------------------------------------------------------------------------*/ +static void F_STAT(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_STAT", ("FSM function F_STAT executing\n")); + if(cd->call_state == 0) + { + i4b_l4_status_ind(cd); + cd->Q931state = ST_U0; + freecd_by_cd(cd); + } + else + { + /* XXX !!!!!!!!!!!!!!!!!! */ + + i4b_l4_status_ind(cd); + cd->cause_out = 101; /* message not compatible with call state */ + i4b_l3_tx_disconnect(cd); + T305_start(cd); + cd->Q931state = ST_U11; + } +} + +/*---------------------------------------------------------------------------* + * L3 FSM some states event INFORMATION from L2 + *---------------------------------------------------------------------------*/ +static void F_INFO(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_INFO", ("FSM function F_INFO executing\n")); + i4b_l4_info_ind(cd); + /* remain in current state */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM some states event RELEASE COMPLETE from L2 + *---------------------------------------------------------------------------*/ +static void F_RELCP(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_RELCP", ("FSM function F_RELCP executing\n")); + i4b_l3_stop_all_timers(cd); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM some states event RELEASE from L2 + *---------------------------------------------------------------------------*/ +static void F_REL(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_REL", ("FSM function F_REL executing\n")); + i4b_l3_stop_all_timers(cd); + i4b_l3_tx_release_complete(cd, 0); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM some states event DISCONNECT from L2 + *---------------------------------------------------------------------------*/ +static void F_DISC(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DISC", ("FSM function F_DISC executing\n")); + i4b_l3_stop_all_timers(cd); + + /* + * no disconnect ind to L4, no jump to state U12 + * instead we issue a RELEASE and jump to U19 + */ + + i4b_l3_tx_release(cd, 0); + cd->T308_first_to = 1; + T308_start(cd); + cd->Q931state = ST_U19; +} + +/*---------------------------------------------------------------------------* + * L3 FSM some states event disconnect request from L4 + *---------------------------------------------------------------------------*/ +static void F_DCRQ(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DCRQ", ("FSM function F_DCRQ executing\n")); + /* cause from L4 */ + i4b_l3_tx_disconnect(cd); + T305_start(cd); + cd->Q931state = ST_U11; +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state except 0 event unexpected message from L2 + *---------------------------------------------------------------------------*/ +static void F_UEM(call_desc_t *cd) +{ + DBGL3(L3_F_ERR, "F_UEM", ("FSM function F_UEM executing, state = %s\n", print_l3state(cd))); + i4b_l3_tx_status(cd, CAUSE_Q850_MSGNCWCS); /* 101, message not compatible with call state */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state except 0 event SETUP from L2 + *---------------------------------------------------------------------------*/ +static void F_SIGN(call_desc_t *cd) +{ + DBGL3(L3_F_ERR, "F_SIGN", ("FSM function F_SIGN executing\n")); + +/* XXX */ /* freecd_by_cd(cd); ?????????? XXX */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM relevant states event DL ESTABLISH IND from L2 + *---------------------------------------------------------------------------*/ +static void F_DLEI(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DLEI", ("FSM function F_DLEI executing\n")); + +/* XXX */ + + /* remain in current state */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state event illegal event occured + *---------------------------------------------------------------------------*/ +static void F_ILL(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_ILL", ("FSM function F_ILL executing\n")); +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state event T309 timeout + *---------------------------------------------------------------------------*/ +static void F_309TO(call_desc_t *cd) +{ + DBGL3(L3_F_ERR, "F_309TO", ("FSM function F_309TO executing\n")); + +/* XXX */ + +#ifdef NOTDEF + i4b_l4_dl_fail_ind(cd); +#endif + + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state event FACILITY message received + *---------------------------------------------------------------------------*/ +static void F_FCTY(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_FCTY", ("FSM function F_FCTY executing\n")); + /* ST_SUSE, no change in state ! */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM state ST_OW event DL ESTABLISH CONF from L2 + *---------------------------------------------------------------------------*/ +static void F_DECF1(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DECF1", ("FSM function F_DECF1 executing\n")); + i4b_l3_tx_setup(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state ST_IWA event DL ESTABLISH CONF from L2 + *---------------------------------------------------------------------------*/ +static void F_DECF2(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DECF2", ("FSM function F_DECF2 executing\n")); + i4b_l3_tx_connect(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state ST_IWR event DL ESTABLISH CONF from L2 + *---------------------------------------------------------------------------*/ +static void F_DECF3(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DECF3", ("FSM function F_DECF3 executing\n")); + i4b_l3_tx_release_complete(cd, 1); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state ST_IWL event DL ESTABLISH CONF from L2 + *---------------------------------------------------------------------------*/ +static void F_DECF4(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DECF4", ("FSM function F_DECF4 executing\n")); + i4b_l3_tx_alert(cd); +} + + +/*---------------------------------------------------------------------------* + * L3 FSM any state event DL ESTABLISH CONF from L2 + *---------------------------------------------------------------------------*/ +static void F_DECF(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DECF", ("FSM function F_DECF executing\n")); + T309_stop(cd); + i4b_l3_tx_status(cd, CAUSE_Q850_NORMUNSP); /* 31, normal unspecified */ +} + +/*---------------------------------------------------------------------------* + * L3 FSM any state except U10 event DL RELEASE IND from L2 + *---------------------------------------------------------------------------*/ +static void F_DLRI(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DLRI", ("FSM function F_DLRI executing\n")); + i4b_l3_stop_all_timers(cd); + i4b_l4_disconnect_ind(cd); + freecd_by_cd(cd); +} + +/*---------------------------------------------------------------------------* + * L3 FSM state U10 event DL RELEASE IND from L2 + *---------------------------------------------------------------------------*/ +static void F_DLRIA(call_desc_t *cd) +{ + DBGL3(L3_F_MSG, "F_DLRIA", ("FSM function F_DLRIA executing\n")); + + if(cd->T309 == TIMER_IDLE) + T309_start(cd); + + DL_Est_Req(ctrl_desc[cd->controller].unit); +} + +#endif /* NI4BQ931 > 0 */ |
