/*
process ECM event
*/
static void ecm_fsm(struct s_smc *smc, int cmd)
{
int ls_a ; /* current line state PHY A */
int ls_b ; /* current line state PHY B */
int p ; /* ports */
smc->mib.fddiSMTBypassPresent = sm_pm_bypass_present(smc) ;
if (cmd == EC_CONNECT)
smc->mib.fddiSMTRemoteDisconnectFlag = FALSE ;
/* For AIX event notification: */
/* Is a disconnect command remotely issued ? */
if (cmd == EC_DISCONNECT &&
smc->mib.fddiSMTRemoteDisconnectFlag == TRUE)
AIX_EVENT (smc, (u_long) CIO_HARD_FAIL, (u_long)
FDDI_REMOTE_DISCONNECT, smt_get_event_word(smc),
smt_get_error_word(smc) );
/*jd 05-Aug-1999 Bug #10419 "Port Disconnect fails at Dup MAc Cond."*/
if (cmd == EC_CONNECT) {
smc->e.DisconnectFlag = FALSE ;
}
else if (cmd == EC_DISCONNECT) {
smc->e.DisconnectFlag = TRUE ;
}
switch(smc->mib.fddiSMTECMState) {
case ACTIONS(EC0_OUT) :
/*
* We do not perform a path test
*/
smc->e.path_test = PT_PASSED ;
smc->e.ecm_line_state = FALSE ;
stop_ecm_timer(smc) ;
ACTIONS_DONE() ;
break ;
case EC0_OUT:
/*EC01*/
if (cmd == EC_CONNECT && !smc->mib.fddiSMTBypassPresent
&& smc->e.path_test==PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
/*EC05*/
else if (cmd == EC_CONNECT && (smc->e.path_test==PT_PASSED) &&
smc->mib.fddiSMTBypassPresent &&
(smc->s.sas == SMT_DAS)) {
GO_STATE(EC5_INSERT) ;
break ;
}
break;
case ACTIONS(EC1_IN) :
stop_ecm_timer(smc) ;
smc->e.trace_prop = 0 ;
sm_ma_control(smc,MA_TREQ) ;
for (p = 0 ; p < NUMPHYS ; p++)
if (smc->mib.p[p].fddiPORTHardwarePresent)
queue_event(smc,EVENT_PCMA+p,PC_START) ;
ACTIONS_DONE() ;
break ;
case EC1_IN:
/*EC12*/
if (cmd == EC_TRACE_PROP) {
prop_actions(smc) ;
GO_STATE(EC2_TRACE) ;
break ;
}
/*EC13*/
else if (cmd == EC_DISCONNECT) {
GO_STATE(EC3_LEAVE) ;
break ;
}
break;
case ACTIONS(EC2_TRACE) :
start_ecm_timer(smc,MIB2US(smc->mib.fddiSMTTrace_MaxExpiration),
EC_TIMEOUT_TMAX) ;
ACTIONS_DONE() ;
break ;
case EC2_TRACE :
/*EC22*/
if (cmd == EC_TRACE_PROP) {
prop_actions(smc) ;
GO_STATE(EC2_TRACE) ;
break ;
}
/*EC23a*/
else if (cmd == EC_DISCONNECT) {
smc->e.path_test = PT_EXITING ;
GO_STATE(EC3_LEAVE) ;
break ;
}
/*EC23b*/
else if (smc->e.path_test == PT_PENDING) {
GO_STATE(EC3_LEAVE) ;
break ;
}
/*EC23c*/
else if (cmd == EC_TIMEOUT_TMAX) {
/* Trace_Max is expired */
/* -> send AIX_EVENT */
AIX_EVENT(smc, (u_long) FDDI_RING_STATUS,
(u_long) FDDI_SMT_ERROR, (u_long)
FDDI_TRACE_MAX, smt_get_error_word(smc));
smc->e.path_test = PT_PENDING ;
GO_STATE(EC3_LEAVE) ;
break ;
}
break ;
case ACTIONS(EC3_LEAVE) :
start_ecm_timer(smc,smc->s.ecm_td_min,EC_TIMEOUT_TD) ;
for (p = 0 ; p < NUMPHYS ; p++)
queue_event(smc,EVENT_PCMA+p,PC_STOP) ;
ACTIONS_DONE() ;
break ;
case EC3_LEAVE:
/*EC30*/
if (cmd == EC_TIMEOUT_TD && !smc->mib.fddiSMTBypassPresent &&
(smc->e.path_test != PT_PENDING)) {
GO_STATE(EC0_OUT) ;
break ;
}
/*EC34*/
else if (cmd == EC_TIMEOUT_TD &&
(smc->e.path_test == PT_PENDING)) {
GO_STATE(EC4_PATH_TEST) ;
break ;
}
/*EC31*/
else if (cmd == EC_CONNECT && smc->e.path_test == PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
/*EC33*/
else if (cmd == EC_DISCONNECT &&
smc->e.path_test == PT_PENDING) {
smc->e.path_test = PT_EXITING ;
/*
* stay in state - state will be left via timeout
*/
}
/*EC37*/
else if (cmd == EC_TIMEOUT_TD &&
smc->mib.fddiSMTBypassPresent &&
smc->e.path_test != PT_PENDING) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC4_PATH_TEST) :
stop_ecm_timer(smc) ;
smc->e.path_test = PT_TESTING ;
start_ecm_timer(smc,smc->s.ecm_test_done,EC_TEST_DONE) ;
/* now perform path test ... just a simulation */
ACTIONS_DONE() ;
break ;
case EC4_PATH_TEST :
/* path test done delay */
if (cmd == EC_TEST_DONE)
smc->e.path_test = PT_PASSED ;
if (smc->e.path_test == PT_FAILED)
RS_SET(smc,RS_PATHTEST) ;
/*EC40a*/
if (smc->e.path_test == PT_FAILED &&
!smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC0_OUT) ;
break ;
}
/*EC40b*/
else if (cmd == EC_DISCONNECT &&
!smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC0_OUT) ;
break ;
}
/*EC41*/
else if (smc->e.path_test == PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
/*EC47a*/
else if (smc->e.path_test == PT_FAILED &&
smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
/*EC47b*/
else if (cmd == EC_DISCONNECT &&
smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC5_INSERT) :
sm_pm_bypass_req(smc,BP_INSERT);
start_ecm_timer(smc,smc->s.ecm_in_max,EC_TIMEOUT_INMAX) ;
/*
process ECM event
*/
static void ecm_fsm(struct s_smc *smc, int cmd)
{
int ls_a ; /* current line state PHY A */
int ls_b ; /* current line state PHY B */
int p ; /* ports */
smc->mib.fddiSMTBypassPresent = sm_pm_bypass_present(smc) ;
if (cmd == EC_CONNECT)
smc->mib.fddiSMTRemoteDisconnectFlag = FALSE ;
/* For AIX event notification: */
/* Is a disconnect command remotely issued ? */
if (cmd == EC_DISCONNECT &&
smc->mib.fddiSMTRemoteDisconnectFlag == TRUE)
AIX_EVENT (smc, (u_long) CIO_HARD_FAIL, (u_long)
FDDI_REMOTE_DISCONNECT, smt_get_event_word(smc),
smt_get_error_word(smc) );
/*jd 05-Aug-1999 Bug #10419 "Port Disconnect fails at Dup MAc Cond."*/
if (cmd == EC_CONNECT) {
smc->e.DisconnectFlag = FALSE ;
}
else if (cmd == EC_DISCONNECT) {
smc->e.DisconnectFlag = TRUE ;
}
switch(smc->mib.fddiSMTECMState) {
case ACTIONS(EC0_OUT) :
/*
* We do not perform a path test
*/
smc->e.path_test = PT_PASSED ;
smc->e.ecm_line_state = FALSE ;
stop_ecm_timer(smc) ;
ACTIONS_DONE() ;
break ;
case EC0_OUT:
/*EC01*/
if (cmd == EC_CONNECT && !smc->mib.fddiSMTBypassPresent
&& smc->e.path_test==PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
/*EC05*/
else if (cmd == EC_CONNECT && (smc->e.path_test==PT_PASSED) &&
smc->mib.fddiSMTBypassPresent &&
(smc->s.sas == SMT_DAS)) {
GO_STATE(EC5_INSERT) ;
break ;
}
break;
case ACTIONS(EC1_IN) :
stop_ecm_timer(smc) ;
smc->e.trace_prop = 0 ;
sm_ma_control(smc,MA_TREQ) ;
for (p = 0 ; p < NUMPHYS ; p++)
if (smc->mib.p[p].fddiPORTHardwarePresent)
queue_event(smc,EVENT_PCMA+p,PC_START) ;
ACTIONS_DONE() ;
break ;
case EC1_IN:
/*EC12*/
if (cmd == EC_TRACE_PROP) {
prop_actions(smc) ;
GO_STATE(EC2_TRACE) ;
break ;
}
/*EC13*/
else if (cmd == EC_DISCONNECT) {
GO_STATE(EC3_LEAVE) ;
break ;
}
break;
case ACTIONS(EC2_TRACE) :
start_ecm_timer(smc,MIB2US(smc->mib.fddiSMTTrace_MaxExpiration),
EC_TIMEOUT_TMAX) ;
ACTIONS_DONE() ;
break ;
case EC2_TRACE :
/*EC22*/
if (cmd == EC_TRACE_PROP) {
prop_actions(smc) ;
GO_STATE(EC2_TRACE) ;
break ;
}
/*EC23a*/
else if (cmd == EC_DISCONNECT) {
smc->e.path_test = PT_EXITING ;
GO_STATE(EC3_LEAVE) ;
break ;
}
/*EC23b*/
else if (smc->e.path_test == PT_PENDING) {
GO_STATE(EC3_LEAVE) ;
break ;
}
/*EC23c*/
else if (cmd == EC_TIMEOUT_TMAX) {
/* Trace_Max is expired */
/* -> send AIX_EVENT */
AIX_EVENT(smc, (u_long) FDDI_RING_STATUS,
(u_long) FDDI_SMT_ERROR, (u_long)
FDDI_TRACE_MAX, smt_get_error_word(smc));
smc->e.path_test = PT_PENDING ;
GO_STATE(EC3_LEAVE) ;
break ;
}
break ;
case ACTIONS(EC3_LEAVE) :
start_ecm_timer(smc,smc->s.ecm_td_min,EC_TIMEOUT_TD) ;
for (p = 0 ; p < NUMPHYS ; p++)
queue_event(smc,EVENT_PCMA+p,PC_STOP) ;
ACTIONS_DONE() ;
break ;
case EC3_LEAVE:
/*EC30*/
if (cmd == EC_TIMEOUT_TD && !smc->mib.fddiSMTBypassPresent &&
(smc->e.path_test != PT_PENDING)) {
GO_STATE(EC0_OUT) ;
break ;
}
/*EC34*/
else if (cmd == EC_TIMEOUT_TD &&
(smc->e.path_test == PT_PENDING)) {
GO_STATE(EC4_PATH_TEST) ;
break ;
}
/*EC31*/
else if (cmd == EC_CONNECT && smc->e.path_test == PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
/*EC33*/
else if (cmd == EC_DISCONNECT &&
smc->e.path_test == PT_PENDING) {
smc->e.path_test = PT_EXITING ;
/*
* stay in state - state will be left via timeout
*/
}
/*EC37*/
else if (cmd == EC_TIMEOUT_TD &&
smc->mib.fddiSMTBypassPresent &&
smc->e.path_test != PT_PENDING) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC4_PATH_TEST) :
stop_ecm_timer(smc) ;
smc->e.path_test = PT_TESTING ;
start_ecm_timer(smc,smc->s.ecm_test_done,EC_TEST_DONE) ;
/* now perform path test ... just a simulation */
ACTIONS_DONE() ;
break ;
case EC4_PATH_TEST :
/* path test done delay */
if (cmd == EC_TEST_DONE)
smc->e.path_test = PT_PASSED ;
if (smc->e.path_test == PT_FAILED)
RS_SET(smc,RS_PATHTEST) ;
/*EC40a*/
if (smc->e.path_test == PT_FAILED &&
!smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC0_OUT) ;
break ;
}
/*EC40b*/
else if (cmd == EC_DISCONNECT &&
!smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC0_OUT) ;
break ;
}
/*EC41*/
else if (smc->e.path_test == PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
/*EC47a*/
else if (smc->e.path_test == PT_FAILED &&
smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
/*EC47b*/
else if (cmd == EC_DISCONNECT &&
smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC5_INSERT) :
sm_pm_bypass_req(smc,BP_INSERT);
start_ecm_timer(smc,smc->s.ecm_in_max,EC_TIMEOUT_INMAX) ;
ACTIONS_DONE() ;
break ;
case EC5_INSERT :
/*EC56*/
if (cmd == EC_TIMEOUT_INMAX) {
GO_STATE(EC6_CHECK) ;
break ;
}
/*EC57*/
else if (cmd == EC_DISCONNECT) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC6_CHECK) :
/*
* in EC6_CHECK, we *POLL* the line state !
* check whether both bypass switches have switched.
*/
start_ecm_timer(smc,smc->s.ecm_check_poll,0) ;
smc->e.ecm_line_state = TRUE ; /* flag to pcm: report Q/HLS */
(void) sm_pm_ls_latch(smc,PA,1) ; /* enable line state latch */
(void) sm_pm_ls_latch(smc,PB,1) ; /* enable line state latch */
ACTIONS_DONE() ;
break ;
case EC6_CHECK :
ls_a = sm_pm_get_ls(smc,PA) ;
ls_b = sm_pm_get_ls(smc,PB) ;
/*EC61*/
if (((ls_a == PC_QLS) || (ls_a == PC_HLS)) &&
((ls_b == PC_QLS) || (ls_b == PC_HLS)) ) {
smc->e.sb_flag = FALSE ;
smc->e.ecm_line_state = FALSE ;
GO_STATE(EC1_IN) ;
break ;
}
/*EC66*/
else if (!smc->e.sb_flag &&
(((ls_a == PC_ILS) && (ls_b == PC_QLS)) ||
((ls_a == PC_QLS) && (ls_b == PC_ILS)))){
smc->e.sb_flag = TRUE ;
DB_ECMN(1,"ECM : EC6_CHECK - stuck bypass\n",0,0) ;
AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
FDDI_SMT_ERROR, (u_long) FDDI_BYPASS_STUCK,
smt_get_error_word(smc));
}
/*EC67*/
else if (cmd == EC_DISCONNECT) {
smc->e.ecm_line_state = FALSE ;
GO_STATE(EC7_DEINSERT) ;
break ;
}
else {
/*
* restart poll
*/
start_ecm_timer(smc,smc->s.ecm_check_poll,0) ;
}
break ;
case ACTIONS(EC7_DEINSERT) :
sm_pm_bypass_req(smc,BP_DEINSERT);
start_ecm_timer(smc,smc->s.ecm_i_max,EC_TIMEOUT_IMAX) ;
ACTIONS_DONE() ;
break ;
case EC7_DEINSERT:
/*EC70*/
if (cmd == EC_TIMEOUT_IMAX) {
GO_STATE(EC0_OUT) ;
break ;
}
/*EC75*/
else if (cmd == EC_CONNECT && smc->e.path_test == PT_PASSED) {
GO_STATE(EC5_INSERT) ;
break ;
}
break;
default:
SMT_PANIC(smc,SMT_E0107, SMT_E0107_MSG) ;
break;
}
}
static void ecm_fsm(struct s_smc *smc, int cmd)
{
int ls_a ;
int ls_b ;
int p ;
smc->mib.fddiSMTBypassPresent = sm_pm_bypass_present(smc) ;
if (cmd == EC_CONNECT)
smc->mib.fddiSMTRemoteDisconnectFlag = FALSE ;
if (cmd == EC_DISCONNECT &&
smc->mib.fddiSMTRemoteDisconnectFlag == TRUE)
AIX_EVENT (smc, (u_long) CIO_HARD_FAIL, (u_long)
FDDI_REMOTE_DISCONNECT, smt_get_event_word(smc),
smt_get_error_word(smc) );
if (cmd == EC_CONNECT) {
smc->e.DisconnectFlag = FALSE ;
}
else if (cmd == EC_DISCONNECT) {
smc->e.DisconnectFlag = TRUE ;
}
switch(smc->mib.fddiSMTECMState) {
case ACTIONS(EC0_OUT) :
smc->e.path_test = PT_PASSED ;
smc->e.ecm_line_state = FALSE ;
stop_ecm_timer(smc) ;
ACTIONS_DONE() ;
break ;
case EC0_OUT:
if (cmd == EC_CONNECT && !smc->mib.fddiSMTBypassPresent
&& smc->e.path_test==PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
else if (cmd == EC_CONNECT && (smc->e.path_test==PT_PASSED) &&
smc->mib.fddiSMTBypassPresent &&
(smc->s.sas == SMT_DAS)) {
GO_STATE(EC5_INSERT) ;
break ;
}
break;
case ACTIONS(EC1_IN) :
stop_ecm_timer(smc) ;
smc->e.trace_prop = 0 ;
sm_ma_control(smc,MA_TREQ) ;
for (p = 0 ; p < NUMPHYS ; p++)
if (smc->mib.p[p].fddiPORTHardwarePresent)
queue_event(smc,EVENT_PCMA+p,PC_START) ;
ACTIONS_DONE() ;
break ;
case EC1_IN:
if (cmd == EC_TRACE_PROP) {
prop_actions(smc) ;
GO_STATE(EC2_TRACE) ;
break ;
}
else if (cmd == EC_DISCONNECT) {
GO_STATE(EC3_LEAVE) ;
break ;
}
break;
case ACTIONS(EC2_TRACE) :
start_ecm_timer(smc,MIB2US(smc->mib.fddiSMTTrace_MaxExpiration),
EC_TIMEOUT_TMAX) ;
ACTIONS_DONE() ;
break ;
case EC2_TRACE :
if (cmd == EC_TRACE_PROP) {
prop_actions(smc) ;
GO_STATE(EC2_TRACE) ;
break ;
}
else if (cmd == EC_DISCONNECT) {
smc->e.path_test = PT_EXITING ;
GO_STATE(EC3_LEAVE) ;
break ;
}
else if (smc->e.path_test == PT_PENDING) {
GO_STATE(EC3_LEAVE) ;
break ;
}
else if (cmd == EC_TIMEOUT_TMAX) {
AIX_EVENT(smc, (u_long) FDDI_RING_STATUS,
(u_long) FDDI_SMT_ERROR, (u_long)
FDDI_TRACE_MAX, smt_get_error_word(smc));
smc->e.path_test = PT_PENDING ;
GO_STATE(EC3_LEAVE) ;
break ;
}
break ;
case ACTIONS(EC3_LEAVE) :
start_ecm_timer(smc,smc->s.ecm_td_min,EC_TIMEOUT_TD) ;
for (p = 0 ; p < NUMPHYS ; p++)
queue_event(smc,EVENT_PCMA+p,PC_STOP) ;
ACTIONS_DONE() ;
break ;
case EC3_LEAVE:
if (cmd == EC_TIMEOUT_TD && !smc->mib.fddiSMTBypassPresent &&
(smc->e.path_test != PT_PENDING)) {
GO_STATE(EC0_OUT) ;
break ;
}
else if (cmd == EC_TIMEOUT_TD &&
(smc->e.path_test == PT_PENDING)) {
GO_STATE(EC4_PATH_TEST) ;
break ;
}
else if (cmd == EC_CONNECT && smc->e.path_test == PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
else if (cmd == EC_DISCONNECT &&
smc->e.path_test == PT_PENDING) {
smc->e.path_test = PT_EXITING ;
}
else if (cmd == EC_TIMEOUT_TD &&
smc->mib.fddiSMTBypassPresent &&
smc->e.path_test != PT_PENDING) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC4_PATH_TEST) :
stop_ecm_timer(smc) ;
smc->e.path_test = PT_TESTING ;
start_ecm_timer(smc,smc->s.ecm_test_done,EC_TEST_DONE) ;
ACTIONS_DONE() ;
break ;
case EC4_PATH_TEST :
if (cmd == EC_TEST_DONE)
smc->e.path_test = PT_PASSED ;
if (smc->e.path_test == PT_FAILED)
RS_SET(smc,RS_PATHTEST) ;
if (smc->e.path_test == PT_FAILED &&
!smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC0_OUT) ;
break ;
}
else if (cmd == EC_DISCONNECT &&
!smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC0_OUT) ;
break ;
}
else if (smc->e.path_test == PT_PASSED) {
GO_STATE(EC1_IN) ;
break ;
}
else if (smc->e.path_test == PT_FAILED &&
smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
else if (cmd == EC_DISCONNECT &&
smc->mib.fddiSMTBypassPresent) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC5_INSERT) :
sm_pm_bypass_req(smc,BP_INSERT);
start_ecm_timer(smc,smc->s.ecm_in_max,EC_TIMEOUT_INMAX) ;
ACTIONS_DONE() ;
break ;
case EC5_INSERT :
if (cmd == EC_TIMEOUT_INMAX) {
GO_STATE(EC6_CHECK) ;
break ;
}
else if (cmd == EC_DISCONNECT) {
GO_STATE(EC7_DEINSERT) ;
break ;
}
break ;
case ACTIONS(EC6_CHECK) :
start_ecm_timer(smc,smc->s.ecm_check_poll,0) ;
smc->e.ecm_line_state = TRUE ;
(void) sm_pm_ls_latch(smc,PA,1) ;
(void) sm_pm_ls_latch(smc,PB,1) ;
ACTIONS_DONE() ;
break ;
case EC6_CHECK :
ls_a = sm_pm_get_ls(smc,PA) ;
ls_b = sm_pm_get_ls(smc,PB) ;
if (((ls_a == PC_QLS) || (ls_a == PC_HLS)) &&
((ls_b == PC_QLS) || (ls_b == PC_HLS)) ) {
smc->e.sb_flag = FALSE ;
smc->e.ecm_line_state = FALSE ;
GO_STATE(EC1_IN) ;
break ;
}
else if (!smc->e.sb_flag &&
(((ls_a == PC_ILS) && (ls_b == PC_QLS)) ||
((ls_a == PC_QLS) && (ls_b == PC_ILS)))){
smc->e.sb_flag = TRUE ;
DB_ECMN(1,"ECM : EC6_CHECK - stuck bypass\n",0,0) ;
AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
FDDI_SMT_ERROR, (u_long) FDDI_BYPASS_STUCK,
smt_get_error_word(smc));
}
else if (cmd == EC_DISCONNECT) {
smc->e.ecm_line_state = FALSE ;
GO_STATE(EC7_DEINSERT) ;
break ;
}
else {
start_ecm_timer(smc,smc->s.ecm_check_poll,0) ;
}
break ;
case ACTIONS(EC7_DEINSERT) :
sm_pm_bypass_req(smc,BP_DEINSERT);
start_ecm_timer(smc,smc->s.ecm_i_max,EC_TIMEOUT_IMAX) ;
ACTIONS_DONE() ;
break ;
case EC7_DEINSERT:
if (cmd == EC_TIMEOUT_IMAX) {
GO_STATE(EC0_OUT) ;
break ;
}
else if (cmd == EC_CONNECT && smc->e.path_test == PT_PASSED) {
GO_STATE(EC5_INSERT) ;
break ;
}
break;
default:
SMT_PANIC(smc,SMT_E0107, SMT_E0107_MSG) ;
break;
}
}
/*
process RMT event
*/
static void rmt_fsm(struct s_smc *smc, int cmd)
{
/*
* RM00-RM70 : from all states
*/
if (!smc->r.rm_join && !smc->r.rm_loop &&
smc->mib.m[MAC0].fddiMACRMTState != ACTIONS(RM0_ISOLATED) &&
smc->mib.m[MAC0].fddiMACRMTState != RM0_ISOLATED) {
RS_SET(smc,RS_NORINGOP) ;
rmt_indication(smc,0) ;
GO_STATE(RM0_ISOLATED) ;
return ;
}
switch(smc->mib.m[MAC0].fddiMACRMTState) {
case ACTIONS(RM0_ISOLATED) :
stop_rmt_timer0(smc) ;
stop_rmt_timer1(smc) ;
stop_rmt_timer2(smc) ;
/*
* Disable MAC.
*/
sm_ma_control(smc,MA_OFFLINE) ;
smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
smc->r.loop_avail = FALSE ;
smc->r.sm_ma_avail = FALSE ;
smc->r.no_flag = TRUE ;
DB_RMTN(1,"RMT : ISOLATED\n",0,0) ;
ACTIONS_DONE() ;
break ;
case RM0_ISOLATED :
/*RM01*/
if (smc->r.rm_join || smc->r.rm_loop) {
/*
* According to the standard the MAC must be reset
* here. The FORMAC will be initialized and Claim
* and Beacon Frames will be uploaded to the MAC.
* So any change of Treq will take effect NOW.
*/
sm_ma_control(smc,MA_RESET) ;
GO_STATE(RM1_NON_OP) ;
break ;
}
break ;
case ACTIONS(RM1_NON_OP) :
start_rmt_timer0(smc,smc->s.rmt_t_non_op,RM_TIMEOUT_NON_OP) ;
stop_rmt_timer1(smc) ;
stop_rmt_timer2(smc) ;
sm_ma_control(smc,MA_BEACON) ;
DB_RMTN(1,"RMT : RING DOWN\n",0,0) ;
RS_SET(smc,RS_NORINGOP) ;
smc->r.sm_ma_avail = FALSE ;
rmt_indication(smc,0) ;
ACTIONS_DONE() ;
break ;
case RM1_NON_OP :
/*RM12*/
if (cmd == RM_RING_OP) {
RS_SET(smc,RS_RINGOPCHANGE) ;
GO_STATE(RM2_RING_OP) ;
break ;
}
/*RM13*/
else if (cmd == RM_TIMEOUT_NON_OP) {
smc->r.bn_flag = FALSE ;
smc->r.no_flag = TRUE ;
GO_STATE(RM3_DETECT) ;
break ;
}
break ;
case ACTIONS(RM2_RING_OP) :
stop_rmt_timer0(smc) ;
stop_rmt_timer1(smc) ;
stop_rmt_timer2(smc) ;
smc->r.no_flag = FALSE ;
if (smc->r.rm_loop)
smc->r.loop_avail = TRUE ;
if (smc->r.rm_join) {
smc->r.sm_ma_avail = TRUE ;
if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable)
smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ;
else
smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
}
DB_RMTN(1,"RMT : RING UP\n",0,0) ;
RS_CLEAR(smc,RS_NORINGOP) ;
RS_SET(smc,RS_RINGOPCHANGE) ;
rmt_indication(smc,1) ;
smt_stat_counter(smc,0) ;
ACTIONS_DONE() ;
break ;
case RM2_RING_OP :
/*RM21*/
if (cmd == RM_RING_NON_OP) {
smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
smc->r.loop_avail = FALSE ;
RS_SET(smc,RS_RINGOPCHANGE) ;
GO_STATE(RM1_NON_OP) ;
break ;
}
/*RM22a*/
else if (cmd == RM_ENABLE_FLAG) {
if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable)
smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ;
else
smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
}
/*RM25*/
else if (smc->r.dup_addr_test == DA_FAILED) {
smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
smc->r.loop_avail = FALSE ;
smc->r.da_flag = TRUE ;
GO_STATE(RM5_RING_OP_DUP) ;
break ;
}
break ;
case ACTIONS(RM3_DETECT) :
start_rmt_timer0(smc,smc->s.mac_d_max*2,RM_TIMEOUT_D_MAX) ;
start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ;
start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;
sm_mac_check_beacon_claim(smc) ;
DB_RMTN(1,"RMT : RM3_DETECT\n",0,0) ;
ACTIONS_DONE() ;
break ;
case RM3_DETECT :
if (cmd == RM_TIMEOUT_POLL) {
start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);
sm_mac_check_beacon_claim(smc) ;
break ;
}
if (cmd == RM_TIMEOUT_D_MAX) {
smc->r.timer0_exp = TRUE ;
}
/*
*jd(22-Feb-1999)
* We need a time ">= 2*mac_d_max" since we had finished
* Claim or Beacon state. So we will restart timer0 at
* every state change.
*/
if (cmd == RM_TX_STATE_CHANGE) {
start_rmt_timer0(smc,
smc->s.mac_d_max*2,
RM_TIMEOUT_D_MAX) ;
}
/*RM32*/
if (cmd == RM_RING_OP) {
GO_STATE(RM2_RING_OP) ;
break ;
}
/*RM33a*/
else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON)
&& smc->r.bn_flag) {
smc->r.bn_flag = FALSE ;
}
/*RM33b*/
else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) {
int tx ;
/*
* set bn_flag only if in state T4 or T5:
* only if we're the beaconer should we start the
* trace !
*/
if ((tx = sm_mac_get_tx_state(smc)) == 4 || tx == 5) {
DB_RMTN(2,"RMT : DETECT && TRT_EXPIRED && T4/T5\n",0,0);
smc->r.bn_flag = TRUE ;
/*
* If one of the upstream stations beaconed
* and the link to the upstream neighbor is
* lost we need to restart the stuck timer to
* check the "stuck beacon" condition.
*/
start_rmt_timer1(smc,smc->s.rmt_t_stuck,
RM_TIMEOUT_T_STUCK) ;
}
/*
* We do NOT need to clear smc->r.bn_flag in case of
* not being in state T4 or T5, because the flag
* must be cleared in order to get in this condition.
*/
DB_RMTN(2,
"RMT : sm_mac_get_tx_state() = %d (bn_flag = %d)\n",
tx,smc->r.bn_flag) ;
}
/*RM34a*/
else if (cmd == RM_MY_CLAIM && smc->r.timer0_exp) {
rmt_new_dup_actions(smc) ;
GO_STATE(RM4_NON_OP_DUP) ;
break ;
}
/*RM34b*/
else if (cmd == RM_MY_BEACON && smc->r.timer0_exp) {
rmt_new_dup_actions(smc) ;
GO_STATE(RM4_NON_OP_DUP) ;
break ;
}
/*RM34c*/
else if (cmd == RM_VALID_CLAIM) {
rmt_new_dup_actions(smc) ;
GO_STATE(RM4_NON_OP_DUP) ;
break ;
}
/*RM36*/
else if (cmd == RM_TIMEOUT_T_STUCK &&
smc->r.rm_join && smc->r.bn_flag) {
GO_STATE(RM6_DIRECTED) ;
break ;
}
break ;
case ACTIONS(RM4_NON_OP_DUP) :
start_rmt_timer0(smc,smc->s.rmt_t_announce,RM_TIMEOUT_ANNOUNCE);
start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ;
start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;
sm_mac_check_beacon_claim(smc) ;
DB_RMTN(1,"RMT : RM4_NON_OP_DUP\n",0,0) ;
ACTIONS_DONE() ;
break ;
case RM4_NON_OP_DUP :
if (cmd == RM_TIMEOUT_POLL) {
start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);
sm_mac_check_beacon_claim(smc) ;
break ;
}
/*RM41*/
if (!smc->r.da_flag) {
GO_STATE(RM1_NON_OP) ;
break ;
}
/*RM44a*/
else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) &&
smc->r.bn_flag) {
smc->r.bn_flag = FALSE ;
}
/*RM44b*/
else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) {
int tx ;
/*
* set bn_flag only if in state T4 or T5:
* only if we're the beaconer should we start the
* trace !
*/
if ((tx = sm_mac_get_tx_state(smc)) == 4 || tx == 5) {
DB_RMTN(2,"RMT : NOPDUP && TRT_EXPIRED && T4/T5\n",0,0);
smc->r.bn_flag = TRUE ;
/*
* If one of the upstream stations beaconed
* and the link to the upstream neighbor is
* lost we need to restart the stuck timer to
* check the "stuck beacon" condition.
*/
start_rmt_timer1(smc,smc->s.rmt_t_stuck,
RM_TIMEOUT_T_STUCK) ;
}
/*
* We do NOT need to clear smc->r.bn_flag in case of
* not being in state T4 or T5, because the flag
* must be cleared in order to get in this condition.
*/
DB_RMTN(2,
"RMT : sm_mac_get_tx_state() = %d (bn_flag = %d)\n",
tx,smc->r.bn_flag) ;
}
/*RM44c*/
else if (cmd == RM_TIMEOUT_ANNOUNCE && !smc->r.bn_flag) {
rmt_dup_actions(smc) ;
}
/*RM45*/
else if (cmd == RM_RING_OP) {
smc->r.no_flag = FALSE ;
GO_STATE(RM5_RING_OP_DUP) ;
break ;
}
/*RM46*/
else if (cmd == RM_TIMEOUT_T_STUCK &&
smc->r.rm_join && smc->r.bn_flag) {
GO_STATE(RM6_DIRECTED) ;
break ;
}
break ;
case ACTIONS(RM5_RING_OP_DUP) :
stop_rmt_timer0(smc) ;
stop_rmt_timer1(smc) ;
stop_rmt_timer2(smc) ;
DB_RMTN(1,"RMT : RM5_RING_OP_DUP\n",0,0) ;
ACTIONS_DONE() ;
break;
case RM5_RING_OP_DUP :
/*RM52*/
if (smc->r.dup_addr_test == DA_PASSED) {
smc->r.da_flag = FALSE ;
GO_STATE(RM2_RING_OP) ;
break ;
}
/*RM54*/
else if (cmd == RM_RING_NON_OP) {
smc->r.jm_flag = FALSE ;
smc->r.bn_flag = FALSE ;
GO_STATE(RM4_NON_OP_DUP) ;
break ;
}
break ;
case ACTIONS(RM6_DIRECTED) :
start_rmt_timer0(smc,smc->s.rmt_t_direct,RM_TIMEOUT_T_DIRECT) ;
stop_rmt_timer1(smc) ;
start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;
sm_ma_control(smc,MA_DIRECTED) ;
RS_SET(smc,RS_BEACON) ;
DB_RMTN(1,"RMT : RM6_DIRECTED\n",0,0) ;
ACTIONS_DONE() ;
break ;
case RM6_DIRECTED :
/*RM63*/
if (cmd == RM_TIMEOUT_POLL) {
start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);
sm_mac_check_beacon_claim(smc) ;
#ifndef SUPERNET_3
/* Because of problems with the Supernet II chip set
* sending of Directed Beacon will stop after 165ms
* therefore restart_trt_for_dbcn(smc) will be called
* to prevent this.
*/
restart_trt_for_dbcn(smc) ;
#endif /*SUPERNET_3*/
break ;
}
if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) &&
!smc->r.da_flag) {
smc->r.bn_flag = FALSE ;
GO_STATE(RM3_DETECT) ;
break ;
}
/*RM64*/
else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) &&
smc->r.da_flag) {
smc->r.bn_flag = FALSE ;
GO_STATE(RM4_NON_OP_DUP) ;
break ;
}
/*RM67*/
else if (cmd == RM_TIMEOUT_T_DIRECT) {
GO_STATE(RM7_TRACE) ;
break ;
}
break ;
case ACTIONS(RM7_TRACE) :
stop_rmt_timer0(smc) ;
stop_rmt_timer1(smc) ;
stop_rmt_timer2(smc) ;
smc->e.trace_prop |= ENTITY_BIT(ENTITY_MAC) ;
queue_event(smc,EVENT_ECM,EC_TRACE_PROP) ;
DB_RMTN(1,"RMT : RM7_TRACE\n",0,0) ;
ACTIONS_DONE() ;
break ;
case RM7_TRACE :
break ;
default:
SMT_PANIC(smc,SMT_E0122, SMT_E0122_MSG) ;
break;
}
}
