aboutsummaryrefslogtreecommitdiff
path: root/sys/i4b/layer1/itjc/i4b_itjc_l1fsm.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/i4b/layer1/itjc/i4b_itjc_l1fsm.c')
-rw-r--r--sys/i4b/layer1/itjc/i4b_itjc_l1fsm.c513
1 files changed, 0 insertions, 513 deletions
diff --git a/sys/i4b/layer1/itjc/i4b_itjc_l1fsm.c b/sys/i4b/layer1/itjc/i4b_itjc_l1fsm.c
deleted file mode 100644
index 4a43e4bfbe12..000000000000
--- a/sys/i4b/layer1/itjc/i4b_itjc_l1fsm.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*-
- * Copyright (c) 1997, 2001 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_itjc_l1fsm.c - NetJet-S layer 1 I.430 state machine
- * ------------------------------------------------------------
- * last edit-date: [Wed Jan 10 17:16:33 2001]
- *
- *---------------------------------------------------------------------------*/
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/kernel.h>
-#include <sys/systm.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-
-#include <machine/stdarg.h>
-
-#include <net/if.h>
-
-#include <i4b/include/i4b_debug.h>
-#include <i4b/include/i4b_ioctl.h>
-#include <i4b/include/i4b_trace.h>
-
-#include <i4b/layer1/isic/i4b_isic.h>
-#include <i4b/layer1/isic/i4b_isac.h>
-#include <i4b/layer1/isic/i4b_hscx.h>
-
-#include <i4b/layer1/i4b_l1.h>
-
-#include <i4b/include/i4b_global.h>
-
-#include <i4b/include/i4b_mbuf.h>
-
-#include <i4b/layer1/itjc/i4b_itjc_ext.h>
-
-#if DO_I4B_DEBUG
-static char *state_text[N_STATES] = {
- "F3 Deactivated",
- "F4 Awaiting Signal",
- "F5 Identifying Input",
- "F6 Synchronized",
- "F7 Activated",
- "F8 Lost Framing",
- "Illegal State"
-};
-
-static char *event_text[N_EVENTS] = {
- "EV_PHAR PH_ACT_REQ",
- "EV_T3 Timer 3 expired",
- "EV_INFO0 INFO0 received",
- "EV_RSY Level Detected",
- "EV_INFO2 INFO2 received",
- "EV_INFO48 INFO4 received",
- "EV_INFO410 INFO4 received",
- "EV_DR Deactivate Req",
- "EV_PU Power UP",
- "EV_DIS Disconnected",
- "EV_EI Error Ind",
- "Illegal Event"
-};
-#endif
-
-/* Function prototypes */
-
-static void timer3_expired (struct l1_softc *sc);
-static void T3_start (struct l1_softc *sc);
-static void T3_stop (struct l1_softc *sc);
-static void F_T3ex (struct l1_softc *sc);
-static void timer4_expired (struct l1_softc *sc);
-static void T4_start (struct l1_softc *sc);
-static void T4_stop (struct l1_softc *sc);
-static void F_AI8 (struct l1_softc *sc);
-static void F_AI10 (struct l1_softc *sc);
-static void F_I01 (struct l1_softc *sc);
-static void F_I02 (struct l1_softc *sc);
-static void F_I03 (struct l1_softc *sc);
-static void F_I2 (struct l1_softc *sc);
-static void F_ill (struct l1_softc *sc);
-static void F_NULL (struct l1_softc *sc);
-
-/*---------------------------------------------------------------------------*
- * I.430 Timer T3 expire function
- *---------------------------------------------------------------------------*/
-static void
-timer3_expired(struct l1_softc *sc)
-{
- if(sc->sc_I430T3)
- {
- NDBGL1(L1_T_ERR, "state = %s", itjc_printstate(sc));
- sc->sc_I430T3 = 0;
-
- /* XXX try some recovery here XXX */
-
- itjc_recover(sc);
-
- sc->sc_init_tries++; /* increment retry count */
-
-/*XXX*/ if(sc->sc_init_tries > 4)
- {
- int s = SPLI4B();
-
- sc->sc_init_tries = 0;
-
- if(sc->sc_obuf2 != NULL)
- {
- i4b_Dfreembuf(sc->sc_obuf2);
- sc->sc_obuf2 = NULL;
- }
- if(sc->sc_obuf != NULL)
- {
- i4b_Dfreembuf(sc->sc_obuf);
- sc->sc_obuf = NULL;
- sc->sc_freeflag = 0;
- sc->sc_op = NULL;
- sc->sc_ol = 0;
- }
-
- splx(s);
-
- i4b_l1_mph_status_ind(L0ITJCUNIT(sc->sc_unit), STI_NOL1ACC, 0, NULL);
- }
-
- itjc_next_state(sc, EV_T3);
- }
- else
- {
- NDBGL1(L1_T_ERR, "expired without starting it ....");
- }
-}
-
-/*---------------------------------------------------------------------------*
- * I.430 Timer T3 start
- *---------------------------------------------------------------------------*/
-static void
-T3_start(struct l1_softc *sc)
-{
- NDBGL1(L1_T_MSG, "state = %s", itjc_printstate(sc));
- sc->sc_I430T3 = 1;
- sc->sc_T3_callout = timeout((TIMEOUT_FUNC_T)timer3_expired,(struct l1_softc *)sc, 2*hz);
-}
-
-/*---------------------------------------------------------------------------*
- * I.430 Timer T3 stop
- *---------------------------------------------------------------------------*/
-static void
-T3_stop(struct l1_softc *sc)
-{
- NDBGL1(L1_T_MSG, "state = %s", itjc_printstate(sc));
-
- sc->sc_init_tries = 0; /* init connect retry count */
-
- if(sc->sc_I430T3)
- {
- sc->sc_I430T3 = 0;
- untimeout((TIMEOUT_FUNC_T)timer3_expired,(struct l1_softc *)sc, sc->sc_T3_callout);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * I.430 Timer T3 expiry
- *---------------------------------------------------------------------------*/
-static void
-F_T3ex(struct l1_softc *sc)
-{
- NDBGL1(L1_F_MSG, "FSM function F_T3ex executing");
- if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S)
- i4b_l1_ph_deactivate_ind(L0ITJCUNIT(sc->sc_unit));
-}
-
-/*---------------------------------------------------------------------------*
- * Timer T4 expire function
- *---------------------------------------------------------------------------*/
-static void
-timer4_expired(struct l1_softc *sc)
-{
- if(sc->sc_I430T4)
- {
- NDBGL1(L1_T_MSG, "state = %s", itjc_printstate(sc));
- sc->sc_I430T4 = 0;
- i4b_l1_mph_status_ind(L0ITJCUNIT(sc->sc_unit), STI_PDEACT, 0, NULL);
- }
- else
- {
- NDBGL1(L1_T_ERR, "expired without starting it ....");
- }
-}
-
-/*---------------------------------------------------------------------------*
- * Timer T4 start
- *---------------------------------------------------------------------------*/
-static void
-T4_start(struct l1_softc *sc)
-{
- NDBGL1(L1_T_MSG, "state = %s", itjc_printstate(sc));
- sc->sc_I430T4 = 1;
- sc->sc_T4_callout = timeout((TIMEOUT_FUNC_T)timer4_expired,(struct l1_softc *)sc, hz);
-}
-
-/*---------------------------------------------------------------------------*
- * Timer T4 stop
- *---------------------------------------------------------------------------*/
-static void
-T4_stop(struct l1_softc *sc)
-{
- NDBGL1(L1_T_MSG, "state = %s", itjc_printstate(sc));
-
- if(sc->sc_I430T4)
- {
- sc->sc_I430T4 = 0;
- untimeout((TIMEOUT_FUNC_T)timer4_expired,(struct l1_softc *)sc, sc->sc_T4_callout);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * FSM function: received AI8
- *---------------------------------------------------------------------------*/
-static void
-F_AI8(struct l1_softc *sc)
-{
- T4_stop(sc);
-
- NDBGL1(L1_F_MSG, "FSM function F_AI8 executing");
-
- if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S)
- i4b_l1_ph_activate_ind(L0ITJCUNIT(sc->sc_unit));
-
- T3_stop(sc);
-
- if(sc->sc_trace & TRACE_I)
- {
- i4b_trace_hdr_t hdr;
- char info = INFO4_8;
-
- hdr.unit = L0ITJCUNIT(sc->sc_unit);
- hdr.type = TRC_CH_I;
- hdr.dir = FROM_NT;
- hdr.count = 0;
- MICROTIME(hdr.time);
- i4b_l1_trace_ind(&hdr, 1, &info);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * FSM function: received AI10
- *---------------------------------------------------------------------------*/
-static void
-F_AI10(struct l1_softc *sc)
-{
- T4_stop(sc);
-
- NDBGL1(L1_F_MSG, "FSM function F_AI10 executing");
-
- if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S)
- i4b_l1_ph_activate_ind(L0ITJCUNIT(sc->sc_unit));
-
- T3_stop(sc);
-
- if(sc->sc_trace & TRACE_I)
- {
- i4b_trace_hdr_t hdr;
- char info = INFO4_10;
-
- hdr.unit = L0ITJCUNIT(sc->sc_unit);
- hdr.type = TRC_CH_I;
- hdr.dir = FROM_NT;
- hdr.count = 0;
- MICROTIME(hdr.time);
- i4b_l1_trace_ind(&hdr, 1, &info);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * FSM function: received INFO 0 in states F3 .. F5
- *---------------------------------------------------------------------------*/
-static void
-F_I01(struct l1_softc *sc)
-{
- NDBGL1(L1_F_MSG, "FSM function F_I01 executing");
-
- if(sc->sc_trace & TRACE_I)
- {
- i4b_trace_hdr_t hdr;
- char info = INFO0;
-
- hdr.unit = L0ITJCUNIT(sc->sc_unit);
- hdr.type = TRC_CH_I;
- hdr.dir = FROM_NT;
- hdr.count = 0;
- MICROTIME(hdr.time);
- i4b_l1_trace_ind(&hdr, 1, &info);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * FSM function: received INFO 0 in state F6
- *---------------------------------------------------------------------------*/
-static void
-F_I02(struct l1_softc *sc)
-{
- NDBGL1(L1_F_MSG, "FSM function F_I02 executing");
-
- if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S)
- i4b_l1_ph_deactivate_ind(L0ITJCUNIT(sc->sc_unit));
-
- if(sc->sc_trace & TRACE_I)
- {
- i4b_trace_hdr_t hdr;
- char info = INFO0;
-
- hdr.unit = L0ITJCUNIT(sc->sc_unit);
- hdr.type = TRC_CH_I;
- hdr.dir = FROM_NT;
- hdr.count = 0;
- MICROTIME(hdr.time);
- i4b_l1_trace_ind(&hdr, 1, &info);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * FSM function: received INFO 0 in state F7 or F8
- *---------------------------------------------------------------------------*/
-static void
-F_I03(struct l1_softc *sc)
-{
- NDBGL1(L1_F_MSG, "FSM function F_I03 executing");
-
- if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S)
- i4b_l1_ph_deactivate_ind(L0ITJCUNIT(sc->sc_unit));
-
- T4_start(sc);
-
- if(sc->sc_trace & TRACE_I)
- {
- i4b_trace_hdr_t hdr;
- char info = INFO0;
-
- hdr.unit = L0ITJCUNIT(sc->sc_unit);
- hdr.type = TRC_CH_I;
- hdr.dir = FROM_NT;
- hdr.count = 0;
- MICROTIME(hdr.time);
- i4b_l1_trace_ind(&hdr, 1, &info);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * FSM function: activate request
- *---------------------------------------------------------------------------*/
-static void
-F_AR(struct l1_softc *sc)
-{
- NDBGL1(L1_F_MSG, "FSM function F_AR executing");
-
- if(sc->sc_trace & TRACE_I)
- {
- i4b_trace_hdr_t hdr;
- char info = INFO1_8;
-
- hdr.unit = L0ITJCUNIT(sc->sc_unit);
- hdr.type = TRC_CH_I;
- hdr.dir = FROM_TE;
- hdr.count = 0;
- MICROTIME(hdr.time);
- i4b_l1_trace_ind(&hdr, 1, &info);
- }
-
- itjc_isac_l1_cmd(sc, CMD_AR8);
-
- T3_start(sc);
-}
-
-/*---------------------------------------------------------------------------*
- * FSM function: received INFO2
- *---------------------------------------------------------------------------*/
-static void
-F_I2(struct l1_softc *sc)
-{
- NDBGL1(L1_F_MSG, "FSM function F_I2 executing");
-
- if(sc->sc_trace & TRACE_I)
- {
- i4b_trace_hdr_t hdr;
- char info = INFO2;
-
- hdr.unit = L0ITJCUNIT(sc->sc_unit);
- hdr.type = TRC_CH_I;
- hdr.dir = FROM_NT;
- hdr.count = 0;
- MICROTIME(hdr.time);
- i4b_l1_trace_ind(&hdr, 1, &info);
- }
-
-}
-
-/*---------------------------------------------------------------------------*
- * illegal state default action
- *---------------------------------------------------------------------------*/
-static void
-F_ill(struct l1_softc *sc)
-{
- NDBGL1(L1_F_ERR, "FSM function F_ill executing");
-}
-
-/*---------------------------------------------------------------------------*
- * No action
- *---------------------------------------------------------------------------*/
-static void
-F_NULL(struct l1_softc *sc)
-{
- NDBGL1(L1_F_MSG, "FSM function F_NULL executing");
-}
-
-
-/*---------------------------------------------------------------------------*
- * layer 1 state transition table
- *---------------------------------------------------------------------------*/
-struct itjc_state_tab {
- void (*func) (struct l1_softc *sc); /* function to execute */
- int newstate; /* next state */
-} itjc_state_tab[N_EVENTS][N_STATES] = {
-
-/* STATE: F3 F4 F5 F6 F7 F8 ILLEGAL STATE */
-/* -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
-/* EV_PHAR x*/ {{F_AR, ST_F4}, {F_NULL, ST_F4}, {F_NULL, ST_F5}, {F_NULL, ST_F6}, {F_ill, ST_ILL}, {F_NULL, ST_F8}, {F_ill, ST_ILL}},
-/* EV_T3 x*/ {{F_NULL, ST_F3}, {F_T3ex, ST_F3}, {F_T3ex, ST_F3}, {F_T3ex, ST_F3}, {F_NULL, ST_F7}, {F_NULL, ST_F8}, {F_ill, ST_ILL}},
-/* EV_INFO0 */ {{F_I01, ST_F3}, {F_I01, ST_F4}, {F_I01, ST_F5}, {F_I02, ST_F3}, {F_I03, ST_F3}, {F_I03, ST_F3}, {F_ill, ST_ILL}},
-/* EV_RSY x*/ {{F_NULL, ST_F3}, {F_NULL, ST_F5}, {F_NULL, ST_F5}, {F_NULL, ST_F8}, {F_NULL, ST_F8}, {F_NULL, ST_F8}, {F_ill, ST_ILL}},
-/* EV_INFO2 */ {{F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_ill, ST_ILL}},
-/* EV_INFO48*/ {{F_AI8, ST_F7}, {F_AI8, ST_F7}, {F_AI8, ST_F7}, {F_AI8, ST_F7}, {F_NULL, ST_F7}, {F_AI8, ST_F7}, {F_ill, ST_ILL}},
-/* EV_INFO41*/ {{F_AI10, ST_F7}, {F_AI10, ST_F7}, {F_AI10, ST_F7}, {F_AI10, ST_F7}, {F_NULL, ST_F7}, {F_AI10, ST_F7}, {F_ill, ST_ILL}},
-/* EV_DR */ {{F_NULL, ST_F3}, {F_NULL, ST_F4}, {F_NULL, ST_F5}, {F_NULL, ST_F6}, {F_NULL, ST_F7}, {F_NULL, ST_F8}, {F_ill, ST_ILL}},
-/* EV_PU */ {{F_NULL, ST_F3}, {F_NULL, ST_F4}, {F_NULL, ST_F5}, {F_NULL, ST_F6}, {F_NULL, ST_F7}, {F_NULL, ST_F8}, {F_ill, ST_ILL}},
-/* EV_DIS */ {{F_ill, ST_ILL}, {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_EI */ {{F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {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}}
-};
-
-/*---------------------------------------------------------------------------*
- * event handler
- *---------------------------------------------------------------------------*/
-void
-itjc_next_state(struct l1_softc *sc, int event)
-{
- int currstate, newstate;
-
- if(event >= N_EVENTS)
- panic("i4b_l1fsm.c: event >= N_EVENTS\n");
-
- currstate = sc->sc_I430state;
-
- if(currstate >= N_STATES)
- panic("i4b_l1fsm.c: currstate >= N_STATES\n");
-
- newstate = itjc_state_tab[event][currstate].newstate;
-
- if(newstate >= N_STATES)
- panic("i4b_l1fsm.c: newstate >= N_STATES\n");
-
- NDBGL1(L1_F_MSG, "FSM event [%s]: [%s => %s]", event_text[event],
- state_text[currstate],
- state_text[newstate]);
-
- (*itjc_state_tab[event][currstate].func)(sc);
-
- if(newstate == ST_ILL)
- {
- newstate = ST_F3;
- NDBGL1(L1_F_ERR, "FSM Illegal State ERROR, oldstate = %s, newstate = %s, event = %s!",
- state_text[currstate],
- state_text[newstate],
- event_text[event]);
- }
-
- sc->sc_I430state = newstate;
-}
-
-#if DO_I4B_DEBUG
-/*---------------------------------------------------------------------------*
- * return pointer to current state description
- *---------------------------------------------------------------------------*/
-char *
-itjc_printstate(struct l1_softc *sc)
-{
- return((char *) state_text[sc->sc_I430state]);
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-26 23:20:06 +0000