FreeCalypso > hg > fc-magnetite
view src/g23m-gprs/sm/sm_sequencer.c @ 207:dcc3b8646a34
PEIs for TCS2/TCS3 hybrid config: INT_DATA_TASK restored to match TCS211
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 14 Oct 2016 16:11:13 +0000 |
parents | 219afcfc6250 |
children |
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/*---------------------------------------------------------------------------- | Project : 3G PS | Module : SM +----------------------------------------------------------------------------- | Copyright 2003 Texas Instruments. | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments. | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments. +----------------------------------------------------------------------------- | Purpose: Sequencer state machine implementation in the SM entity. | For design details, see: | 8010.908 SM Detailed Specification +---------------------------------------------------------------------------*/ /*==== DECLARATION CONTROL =================================================*/ /*==== INCLUDES =============================================================*/ #include "sm.h" #include "sm_sequencer.h" #include "sm_context_control.h" #include "sm_aci_output_handler.h" #include "sm_mm_output_handler.h" #include "sm_qos.h" /*==== CONSTS ===============================================================*/ /*==== TYPES ================================================================*/ typedef void (*T_SM_SEQUENCER_TRANSITION_FUNC)(void *data); typedef struct { #ifdef DEBUG T_SM_SEQUENCER_EVENT event; #endif /* DEBUG */ T_SM_SEQUENCER_TRANSITION_FUNC func; } T_SM_SEQUENCER_TRANSITION; /*==== LOCALS ===============================================================*/ static void handle_mmpm_attach_ind(void *data); static void handle_mmpm_detach_ind(void *data); static void handle_smreg_pdp_deactivate_req(void *data); static void handle_sm_status_req(void *data); static void handle_context_activation_override(void *data); static void handle_context_deactivate_completed(void *data); static void handle_context_tear_down_deactivate(void *data); static void handle_context_reactivate_completed(void *data); /*==== PRIVATE FUNCTIONS ====================================================*/ static const T_SM_SEQUENCER_TRANSITION transition[SM_SEQUENCER_NUMBER_OF_EVENTS] = { M_TRANSITION(SM_P_MMPM_ATTACH_IND, handle_mmpm_attach_ind), M_TRANSITION(SM_P_MMPM_DETACH_IND, handle_mmpm_detach_ind), M_TRANSITION(SM_P_SMREG_PDP_DEACTIVATE_REQ, handle_smreg_pdp_deactivate_req), M_TRANSITION(SM_P_SM_STATUS_REQ, handle_sm_status_req), M_TRANSITION(SM_I_CONTEXT_ACTIVATION_OVERRIDE, handle_context_activation_override), M_TRANSITION(SM_I_CONTEXT_DEACTIVATE_COMPLETED, handle_context_deactivate_completed), M_TRANSITION(SM_I_CONTEXT_TEAR_DOWN_DEACTIVATE, handle_context_tear_down_deactivate), M_TRANSITION(SM_I_CONTEXT_REACTIVATE_COMPLETED, handle_context_reactivate_completed) }; static void sm_seq_clear_nsapis_to_deactivate(void) { sm_data.sm_nsapis_requested_deactivated = 0; sm_data.sm_nsapis_being_deactivated = 0; } static void sm_seq_set_nsapis_to_deactivate(U16 nsapi_set) { sm_data.sm_nsapis_requested_deactivated |= nsapi_set; } static U16 sm_seq_get_nsapis_to_deactivate(void) { return (sm_data.sm_nsapis_requested_deactivated); } static BOOL sm_seq_is_nsapi_requested_deactivated(int /*@alt U8@*/ nsapi) { return sm_is_nsapi_in_nsapi_set(nsapi, sm_data.sm_nsapis_requested_deactivated); } static void sm_seq_nsapi_started_deactivation(int /*@alt U8@*/ nsapi) { sm_data.sm_nsapis_being_deactivated = sm_add_nsapi_to_nsapi_set(nsapi, sm_data.sm_nsapis_being_deactivated); } static void sm_seq_nsapi_completed_deactivation(int /*@alt U8@*/ nsapi) { sm_data.sm_nsapis_being_deactivated = sm_remove_nsapi_from_nsapi_set(nsapi, sm_data.sm_nsapis_being_deactivated); } static BOOL sm_seq_is_nsapi_set_completed(void) { return (sm_data.sm_nsapis_being_deactivated == 0); } /* +------------------------------------------------------------------------------ | Function : handle_mmpm_attach_ind +------------------------------------------------------------------------------ | Description : Handle incoming MMPM_ATTACH_IND | | Parameters : data - T_MMPM_ATTACH_IND * +------------------------------------------------------------------------------ */ #ifndef TI_PS_OP_SM_RETAIN_BEST_CONTEXT /*Old method. Secondary contexts deactivated after a R99 to R97 RAU*/ static void handle_mmpm_attach_ind(void *data) { int nsapi; T_PS_sgsn_rel sgsn_rel; T_MMPM_ATTACH_IND *prim = (T_MMPM_ATTACH_IND *)data; #ifdef DEBUG /*@observer@*/ static const char *sgsn_rel_name[3] = { "PS_SGSN_UNKNOWN", "PS_SGSN_98_OLDER", "PS_SGSN_99_ONWARDS" }; #endif (void)TRACE_FUNCTION("handle_mmpm_attach_ind"); sgsn_rel = (T_PS_sgsn_rel)cl_nwrl_get_sgsn_release(); (void)TRACE_EVENT_P1("SGSN release given by CL is (1->R97, 2->R99) >>> %d", cl_nwrl_get_sgsn_release()); #ifdef DEBUG (void)TRACE_EVENT_P2("Got SGSN release value 0x%02x: %s", sgsn_rel, (sgsn_rel <= PS_SGSN_99_ONWARDS ? sgsn_rel_name[(U16)sgsn_rel] : "BAD VALUE!")); #endif /* Check whether the UE has moved from R99 to R97/R98 network. */ if (sm_get_current_nw_release() == PS_SGSN_99_ONWARDS && sgsn_rel == PS_SGSN_98_OLDER) { /* We have moved from R99 network to pre-R99: * check for secondary contexts, or contexts with TI > 6; * These must be locally deactivated. */ U16 nsapis_to_deactivate = 0; for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL && (context->ti > (U8)SM_MAX_NON_EXT_TI || sm_is_secondary(context))) { nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_to_deactivate); /* Make sure to clear the pending reactivation flag */ sm_set_context_pending_reactivation(context, FALSE); /* Order context deactivation */ sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); } } /* If any contexts were deactivated, inform ACI and MM */ if (nsapis_to_deactivate != 0) { T_CAUSE_ps_cause cause; cause.ctrl_value = CAUSE_is_from_sm; cause.value.sm_cause = (U16)CAUSE_SM_PRE_R99_NETWORK_ENTERED; send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &cause); send_mmpm_pdp_context_status_req(); } } /* Check whether any (primary) contexts are pending reactivation: * If so, start reactivation now. */ for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL && !sm_is_secondary(context) && sm_is_context_pending_reactivation(context)) { /* Clear the pending reactivation flag. Will be done in sm_is_address_changed_with_reactivation */ /*sm_set_context_pending_reactivation(context, FALSE);*/ /* Order context reactivation */ sm_context_control(context, SM_I_CONTEXT_REACTIVATE, NULL); } } /* Set current RAT and core network release */ sm_set_current_rat ((T_PS_rat)prim->rat); sm_set_current_nw_release(sgsn_rel); /* * The following line is useful if we try a PDP activation after a * GPRS detach */ sm_data.sm_suspended = FALSE; sm_data.sm_suspend_cause = CAUSE_MM_SUCCESS; } #else /*#ifndef TI_PS_OP_SM_RETAIN_BEST_CONTEXT*/ /*New method. The best context remain after a R99 to R97 RAU*/ static void handle_mmpm_attach_ind(void *data) { int nsapi; T_PS_sgsn_rel sgsn_rel; T_MMPM_ATTACH_IND *prim = (T_MMPM_ATTACH_IND *)data; U16 nsapis_to_deactivate = 0; U16 nsapis_deactivated = 0; #ifdef DEBUG /*@observer@*/ static const char *sgsn_rel_name[3] = { "PS_SGSN_UNKNOWN", "PS_SGSN_98_OLDER", "PS_SGSN_99_ONWARDS" }; #endif (void)TRACE_FUNCTION("handle_mmpm_attach_ind"); sgsn_rel = cl_nwrl_get_sgsn_release(); (void)TRACE_EVENT_P1("SGSN release given by CL is (1->R97, 2->R99) >>> %d", cl_nwrl_get_sgsn_release()); #ifdef DEBUG (void)TRACE_EVENT_P2("Got SGSN release value 0x%02x: %s", sgsn_rel, (sgsn_rel <= PS_SGSN_99_ONWARDS ? sgsn_rel_name[(U16)sgsn_rel] : "BAD VALUE!")); #endif /* Check whether the UE has moved from R99 to R97/R98 network. */ if (sm_get_current_nw_release() == PS_SGSN_99_ONWARDS && sgsn_rel == PS_SGSN_98_OLDER) { /* We have moved from R99 network to pre-R99: * First round of elimination. Check for contexts with TI > 6; * These must be locally deactivated. */ for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL && (context->ti > (U8)SM_MAX_NON_EXT_TI )) { nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_to_deactivate); /* Make sure to clear the pending reactivation flag */ sm_set_context_pending_reactivation(context, FALSE); /* Order context deactivation */ sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); } } /* Second round of elimination. Rank contexts based on Traffic class and * traffic handling priority. Locally deactivate all but the best ranking * context(s). Ref 23.107 Annex C */ nsapis_deactivated = sm_rank_del_contexts_based_on_tc(); nsapis_to_deactivate = (nsapis_to_deactivate | nsapis_deactivated); /* Third round of elimination. Context(s) with highest values of max bitrate * for uplink or downlink remain. Ref 23.107 Annex C */ nsapis_deactivated = sm_retain_cntxt_wth_best_bitrate(); nsapis_to_deactivate = (nsapis_to_deactivate | nsapis_deactivated); /* Final round of elimination. Context with smallest nsapi remain. * Ref 23.107 Annex C */ nsapis_deactivated = sm_retain_cntxt_with_least_nsapi(); nsapis_to_deactivate = (nsapis_to_deactivate | nsapis_deactivated); /* If any contexts were deactivated, inform ACI and MM */ if (nsapis_to_deactivate != 0) { T_CAUSE_ps_cause cause; cause.ctrl_value = CAUSE_is_from_sm; cause.value.sm_cause = (U16)CAUSE_SM_PRE_R99_NETWORK_ENTERED; send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &cause); send_mmpm_pdp_context_status_req(); } /* Now all the remaining contexts should be primary. Clear the * secondary context flag if it is set in any of the remaining * active context(s). */ for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if ( (context != NULL) && (context->context_control_state != SM_CONTEXT_DEACTIVATED) && sm_is_secondary(context)) { /* Clear the secondary context flag */ context->flags &= 0xff^(U8)SM_CONTEXT_FLAG_SECONDARY_CONTEXT; } } } /* Check whether any (primary) contexts are pending reactivation: * If so, start reactivation now. */ for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL && !sm_is_secondary(context) && sm_is_context_pending_reactivation(context)) { /* Clear the pending reactivation flag. Will be done in sm_is_address_changed_with_reactivation */ //sm_set_context_pending_reactivation(context, FALSE); /* Order context reactivation */ sm_context_control(context, SM_I_CONTEXT_REACTIVATE, NULL); } } /* Set current RAT and core network release */ sm_set_current_rat ((T_PS_rat)prim->rat); sm_set_current_nw_release(sgsn_rel); /* * The following line is useful if we try a PDP activation after a * GPRS detach */ sm_data.sm_suspended = FALSE; sm_data.sm_suspend_cause = CAUSE_MM_SUCCESS; } #endif /*#ifndef TI_PS_OP_SM_RETAIN_BEST_CONTEXT*/ /* +------------------------------------------------------------------------------ | Function : handle_mmpm_detach_ind +------------------------------------------------------------------------------ | Description : Handle incoming MMPM_DETACH_IND primitive | | Parameters : data - T_MMPM_DETACH_IND * +------------------------------------------------------------------------------ */ static void handle_mmpm_detach_ind(void *data) { T_MMPM_DETACH_IND *prim = data; int nsapi; U16 nsapis_to_deactivate = 0; BOOL cause_reattach; (void)TRACE_FUNCTION("handle_mmpm_detach_ind"); TRACE_ASSERT (data != NULL); if (prim->ps_cause.ctrl_value == CAUSE_is_from_mm && prim->ps_cause.value.mm_cause == (U16)CAUSE_MM_DETACH_WITH_REATTACH) { cause_reattach = TRUE; } else { cause_reattach = FALSE; } for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL) { if (cause_reattach) { sm_set_context_pending_reactivation(context, TRUE); } else { sm_set_context_pending_reactivation(context, FALSE); nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_to_deactivate); } sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); } } /* Inform ACI that the contexts are gone. */ if (nsapis_to_deactivate != 0) { send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &prim->ps_cause); } } /* +------------------------------------------------------------------------------ | Function : handle_smreg_pdp_deactivate_req +------------------------------------------------------------------------------ | Description : Handle incoming SMREG_PDP_DEACTIVATE_REQ | | Parameters : data - T_SMREG_PDP_DEACTIVATE_REQ * +------------------------------------------------------------------------------ */ static void handle_smreg_pdp_deactivate_req(void *data) { int nsapi; U16 nsapis_deactivated = 0; T_SMREG_PDP_DEACTIVATE_REQ *prim = (T_SMREG_PDP_DEACTIVATE_REQ *)data; (void)TRACE_FUNCTION("handle_smreg_pdp_deactivate_req"); TRACE_ASSERT(prim != NULL); if (prim EQ NULL) return; for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { if (sm_is_nsapi_in_nsapi_set(nsapi, prim->nsapi_set)) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL) { nsapis_deactivated = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_deactivated); /* Set SM_CONTEXT_FLAG_STARTED_DURING_SUSPEND flag according to suspend status */ sm_set_started_during_suspend(context); /* Clear pending reactivation flag */ sm_set_context_pending_reactivation(context, FALSE); /* Mark requested nsapi for deactivation */ sm_seq_set_nsapis_to_deactivate(sm_nsapi2nsapi_set(nsapi)); /* Mark NSAPI "deactivation in progress" */ sm_seq_nsapi_started_deactivation(nsapi); if (prim->rel_ind == (U8)PS_REL_IND_YES) { /* Local deactivation */ sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); } else { /* Deactivation with network signalling */ sm_context_control(context, SM_I_CONTEXT_DEACTIVATE, (void *)SM_I_DEACTIVATE_NETWORK_AND_USER_PLANE); } /* if */ } /* if */ } /* if */ } /* for */ if (nsapis_deactivated != 0) { if (prim->rel_ind == (U8)PS_REL_IND_YES) { /* For local deactivations, inform MM if any contexts were deactivated */ send_mmpm_pdp_context_status_req(); /* Inform ACI of the deactivated contexts */ send_smreg_pdp_deactivate_cnf(prim->nsapi_set); } } else { /* Contexts must already be deactivated - inform ACI */ send_smreg_pdp_deactivate_cnf(prim->nsapi_set); } } /* +------------------------------------------------------------------------------ | Function : handle_sm_status_req +------------------------------------------------------------------------------ | Description : Handle incoming SM_STATUS_REQ | | Parameters : data - T_SM_STATUS_REQ * +------------------------------------------------------------------------------ */ static void handle_sm_status_req(void *data) { int nsapi; T_SM_STATUS_REQ *prim = (T_SM_STATUS_REQ *)data; T_SM_CONTEXT_CONTROL_EVENT event; void *edata; (void)TRACE_FUNCTION("handle_sm_status_req"); if (prim->ps_cause.ctrl_value == CAUSE_is_from_llc) { switch (prim->ps_cause.value.llc_cause) { case CAUSE_LLC_NO_PEER_RES: /* Do nothing */ return; case CAUSE_LLC_NORMAL_REL: /* Normal deactivation */ default: /* Unknown user plane error: Deactivate contexts */ /* Deactivate with network signalling */ event = SM_I_CONTEXT_USER_PLANE_ERROR; edata = NULL; break; } /* switch */ } else if (prim->ps_cause.ctrl_value == CAUSE_is_from_upm) { switch (prim->ps_cause.value.upm_cause) { case CAUSE_UPM_RT_QOS_RELEASE: /* Inform ACI of QoS downgrade */ send_smreg_pdp_modify_ind_multiple(prim->nsapi_set, SM_UPDATE_QOS_DOWNGRADE); return; case CAUSE_UPM_REEST_NEEDED: event = SM_I_CONTEXT_UPGRADE; edata = NULL; break; case CAUSE_UPM_REEST_REJECT: /* FIXME: How to handle reactivation reject? */ return; case CAUSE_UPM_NORMAL_RELEASE: event = SM_I_CONTEXT_USER_PLANE_ERROR; edata = NULL; break; default: /* Unknown user plane error: Deactivate contexts */ event = SM_I_CONTEXT_DEACTIVATE; edata = (void *)SM_I_DEACTIVATE_NETWORK_AND_USER_PLANE; break; } /* switch */ } else { /* Unknown user plane error: Assume user plane down and deactivate contexts */ event = SM_I_CONTEXT_USER_PLANE_ERROR; edata = NULL; } for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { if (sm_is_nsapi_in_nsapi_set(nsapi, prim->nsapi_set)) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL) { sm_set_aci_cause(context, prim->ps_cause.ctrl_value, prim->ps_cause.value.nwsm_cause); sm_context_control(context, event, edata); } /* if */ } /* if */ } /* for */ } /* +------------------------------------------------------------------------------ | Function : handle_context_activation_override +------------------------------------------------------------------------------ | Description : Handle SM_I_CONTEXT_ACTIVATION_OVERRIDE | | Parameters : data - ti +------------------------------------------------------------------------------ */ static void handle_context_activation_override(void *data) { int nsapi, ti = (int)data; U16 nsapis_to_deactivate = 0; (void)TRACE_FUNCTION("handle_context_activation_override"); for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL && context->ti != (U8)ti && sm_is_secondary(context) && context->linked_ti == (U8)ti) { /* Locally deactivate contexts linked to ti of input context */ nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_to_deactivate); } /* if */ } /* for */ if (nsapis_to_deactivate != 0) { T_CAUSE_ps_cause cause; /* Found contexts to deactivate: inform ACI */ cause.ctrl_value = CAUSE_is_from_sm; cause.value.sm_cause = (U16)CAUSE_SM_ACTIVATION_OVERRIDE; send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &cause); /* Perform local deactivation */ for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { if (sm_is_nsapi_in_nsapi_set(nsapi, nsapis_to_deactivate)) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); } /* if */ } /* for */ } /* if */ } /* +------------------------------------------------------------------------------ | Function : handle_context_deactivate_completed +------------------------------------------------------------------------------ | Description : Handle SM_I_CONTEXT_DEACTIVATE_COMPLETED | | Parameters : data - NSAPI +------------------------------------------------------------------------------ */ static void handle_context_deactivate_completed(void *data) { int nsapi = (int)data; (void)TRACE_FUNCTION("handle_context_deactivate_completed"); /* Mark nsapi as deactivated */ sm_seq_nsapi_completed_deactivation(nsapi); /* Check that this NSAPI is part of the requested NSAPIs being deactivated. * Could also be due to SMREG_CONFIGURE_REQ etc. */ if (sm_seq_is_nsapi_requested_deactivated(nsapi)) { /* Yes, NSAPI is in set. Check whether deactivation completes with this NSAPI */ if (sm_seq_is_nsapi_set_completed()) { /* Done. Confirm deactivation towards ACI */ send_smreg_pdp_deactivate_cnf(sm_seq_get_nsapis_to_deactivate()); /* Reset requested deactivation nsapi_set. */ sm_seq_clear_nsapis_to_deactivate(); } } else { /* No. NSAPI was deactivated for reasons other than deactivation from ACI */ } } /* +------------------------------------------------------------------------------ | Function : handle_context_reactivate_completed +------------------------------------------------------------------------------ | Description : Handle SM_I_CONTEXT_REACTIVATE_COMPLETED | | Parameters : data - TI (of primary context) +------------------------------------------------------------------------------ */ static void handle_context_reactivate_completed(void *data) { int ti = (int)data; int nsapi; (void)TRACE_FUNCTION("handle_context_reactivate_completed"); /* Check whether any secondary contexts are pending reactivation with * linked_ti == ti of the primary context just reactivated. * If so, start reactivation now. */ for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); if (context != NULL && sm_is_secondary(context) && context->linked_ti == (U8)ti) { /* Clear the pending reactivation flag */ sm_set_context_pending_reactivation(context, FALSE); /* Order context reactivation */ sm_context_control(context, SM_I_CONTEXT_REACTIVATE, NULL); } } } /* +------------------------------------------------------------------------------ | Function : handle_context_tear_down_deactivate +------------------------------------------------------------------------------ | Description : Handle SM_I_CONTEXT_TEAR_DOWN_DEACTIVATE | | Parameters : data - TI +------------------------------------------------------------------------------ */ static void handle_context_tear_down_deactivate(void *data) { int nsapi, ti = (int)data; U16 nsapis_to_deactivate = 0; (void)TRACE_FUNCTION("handle_context_tear_down_deactivate"); nsapis_to_deactivate = sm_linked_nsapis((U8)ti); if (nsapis_to_deactivate != 0) { /* Perform local deactivation */ for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { if (sm_is_nsapi_in_nsapi_set(nsapi, nsapis_to_deactivate)) { struct T_SM_CONTEXT_DATA *context; context = sm_get_context_data_from_nsapi(nsapi); sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); } /* if */ } /* for */ } /* if */ } /*==== PUBLIC FUNCTIONS =====================================================*/ /* +------------------------------------------------------------------------------ | Function : sm_sequencer_init +------------------------------------------------------------------------------ | Description : Sequencer state machine initialization function | | Parameters : None +------------------------------------------------------------------------------ */ void sm_sequencer_init(void) { (void)TRACE_FUNCTION("sm_sequencer_init"); sm_data.sm_attached = FALSE; sm_data.sm_suspended = FALSE; sm_data.sm_suspend_cause = CAUSE_MM_SUCCESS; sm_seq_clear_nsapis_to_deactivate(); } /* +------------------------------------------------------------------------------ | Function : sm_sequencer_exit +------------------------------------------------------------------------------ | Description : Sequencer state machine exit function | Parameters : None +------------------------------------------------------------------------------ */ void sm_sequencer_exit(void) { (void)TRACE_FUNCTION("sm_sequencer_exit"); sm_data.sm_attached = FALSE; sm_seq_clear_nsapis_to_deactivate(); } /* +------------------------------------------------------------------------------ | Function : sm_sequencer +------------------------------------------------------------------------------ | Description : Sequencer state machine | | Parameters : event - Internal event (see sm_sequencer.h) | data - Event dependent parameter +------------------------------------------------------------------------------ */ void sm_sequencer(T_SM_SEQUENCER_EVENT event, void *data) { #ifdef DEBUG /*@observer@*/ static const char *event_name[SM_SEQUENCER_NUMBER_OF_EVENTS] = { "SM_P_MMPM_ATTACH_IND", "SM_P_MMPM_DETACH_IND", "SM_P_SMREG_PDP_DEACTIVATE_REQ", "SM_P_SM_STATUS_REQ", "SM_I_CONTEXT_ACTIVATION_OVERRIDE", "SM_I_CONTEXT_DEACTIVATE_COMPLETED", "SM_I_CONTEXT_TEAR_DOWN_DEACTIVATE", "SM_I_CONTEXT_REACTIVATE_COMPLETED" }; char state_array[SM_MAX_NSAPI_OFFSET + 1]; TRACE_ASSERT(event < SM_SEQUENCER_NUMBER_OF_EVENTS); if (transition[(U16)event].event != event) { (void)TRACE_ERROR("Event table error in sm_sequencer!"); } #endif /* DEBUG */ transition[(U16)event].func(data); #ifdef DEBUG (void)TRACE_EVENT_P2("SM SEQUENCER : %s => %s", event_name[(U16)event], sm_context_bitfield(state_array, sm_data.sm_context_activation_status)); #endif /* DEBUG */ } /*==== END OF FILE ==========================================================*/