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 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; } }