FreeCalypso > hg > freecalypso-sw
diff gsm-fw/g23m-gsm/mm/mm_regf.c @ 673:2f7df7a314f8
gsm-fw/g23m-gsm subtree: initial import from LoCosto source
| author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
|---|---|
| date | Sun, 28 Sep 2014 23:20:04 +0000 |
| parents | |
| children | 105ac33aa5a1 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gsm-fw/g23m-gsm/mm/mm_regf.c Sun Sep 28 23:20:04 2014 +0000 @@ -0,0 +1,2990 @@ +/* ++----------------------------------------------------------------------------- +| Project : GSM-PS (8410) +| Modul : MM_REGF ++----------------------------------------------------------------------------- +| Copyright 2002 Texas Instruments Berlin, AG +| All rights reserved. +| +| This file is confidential and a trade secret of Texas +| Instruments Berlin, AG +| 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 Berlin, AG. ++----------------------------------------------------------------------------- +| Purpose : This Modul defines the functions for the registration +| capability of the module Mobility Management. ++----------------------------------------------------------------------------- +*/ + +#define MM_REGF_C +#define ENTITY_MM + +/*==== INCLUDES ===================================================*/ +#if defined (NEW_FRAME) + +#include <string.h> +#include <stdlib.h> +#include <stddef.h> +#include "typedefs.h" +#include "pcm.h" +#include "pconst.cdg" +#include "mconst.cdg" +#include "message.h" +#include "ccdapi.h" +#include "vsi.h" +#include "custom.h" +#include "gsm.h" +#include "prim.h" +#include "cnf_mm.h" +#include "mon_mm.h" +#include "pei.h" +#include "tok.h" +#include "mm.h" + +#else + +#include <string.h> +#include <stdlib.h> +#include <stddef.h> +#include "stddefs.h" +#include "pcm.h" +#include "pconst.cdg" +#include "mconst.cdg" +#include "message.h" +#include "ccdapi.h" +#include "custom.h" +#include "gsm.h" +#include "prim.h" +#include "cnf_mm.h" +#include "mon_mm.h" +#include "vsi.h" +#include "pei.h" +#include "tok.h" +#include "mm.h" + +#endif + +/*==== EXPORT =====================================================*/ + +/*==== PRIVAT =====================================================*/ + +/*==== VARIABLES ==================================================*/ +/* added by TISH 0418 to write simloci to FFS */ +extern T_loc_info loc_info_ffs; +extern T_imsi_struct imsi_in_ffs; +/* added by TISH 0418 to write simloci to FFS */ + +/*==== TEST =====================================================*/ + +/*==== FUNCTIONS ==================================================*/ + +LOCAL void reg_pack_plmn_fn (USHORT i, + const T_RR_ABORT_IND *rr_abort_ind); + +/*==== LOCALS ==================================================*/ +/* first and last colums are dummies to staisf T_plmn structure*/ +LOCAL const T_plmn cingular_plmn_list[]= +{ + { 0x1, {0x00, 0x00 ,0x00}, {0x01, 0x08 ,0x00}, 0x1}, + { 0x1, {0x03, 0x01 ,0x00}, {0x01, 0x05 ,0x00}, 0x1}, + { 0x1, {0x03, 0x01 ,0x00}, {0x01, 0x07 ,0x00}, 0x1}, + { 0x1, {0x03, 0x01 ,0x00}, {0x03, 0x08 ,0x00}, 0x1}, + { 0x1, {0x03, 0x01 ,0x00}, {0x04, 0x01 ,0x00}, 0x1}, + { 0x1, {0x03, 0x01 ,0x00}, {0x09, 0x08 ,0x00}, 0x1}, + { 0x1, {0x03, 0x04 ,0x02}, {0x08, 0x01 ,0x00}, 0x1}, + { 0x1, {0x03, 0x04 ,0x04}, {0x09, 0x03 ,0x00}, 0x1}, + { 0x1, {0x03, 0x05 ,0x00}, {0x01, 0x00 ,0x0F}, 0x1}, + { 0x1, {0x03, 0x05 ,0x02}, {0x03, 0x00 ,0x0F}, 0x1}, + { 0x1, {0x03, 0x05 ,0x08}, {0x03, 0x00 ,0x0F}, 0x1}, + { 0x1, {0x03, 0x06 ,0x00}, {0x01, 0x00 ,0x0F}, 0x1}, + { 0x1, {0x03, 0x06 ,0x06}, {0x02, 0x00 ,0x0F}, 0x1} +}; + +#if !defined(GPRS) + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_send_mmr_reg_cnf | ++----------------------------------------------------------------------------+ + + PURPOSE : This function builds and sends a MMR_REG_CNF primitive to the MMR SAP. + This is only done if G23 is compiled as a GSM only protocol stack + without GPRS. Otherwise this function is deactivated. + +*/ + +GLOBAL void reg_send_mmr_reg_cnf (UBYTE bootup_cause) +{ + GET_INSTANCE_DATA; + PALLOC (mmr_reg_cnf, MMR_REG_CNF); /* T_MMR_REG_CNF */ + + TRACE_FUNCTION ("reg_send_mmr_reg_cnf()"); + + if (bootup_cause NEQ PWR_SCAN_START) + { + mmr_reg_cnf->plmn.v_plmn = V_PLMN_PRES; + memcpy (mmr_reg_cnf->plmn.mcc, mm_data->mm.lai.mcc, SIZE_MCC); + memcpy (mmr_reg_cnf->plmn.mnc, mm_data->mm.lai.mnc, SIZE_MNC); + } + else + { + mmr_reg_cnf->plmn.v_plmn = V_PLMN_NOT_PRES; + } + mmr_reg_cnf->lac = mm_data->mm.lai.lac; + mmr_reg_cnf->cid = mm_data->mm.cid; + mmr_reg_cnf->bootup_cause = bootup_cause; + PSENDX (MMI, mmr_reg_cnf); +} + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_build_mmr_reg_cnf | ++----------------------------------------------------------------------------+ + + PURPOSE : This function indicates change in service or change in PLMN to the MMR SAP. + This is only done if G23 is compiled as a GSM only protocol stack + without GPRS. Otherwise this function is deactivated. + +*/ + +GLOBAL void reg_build_mmr_reg_cnf (void) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_build_mmr_reg_cnf()"); + + if ((mm_data->reg.full_service_indicated EQ FALSE) OR + (mm_data->reg.new_cell_ind EQ TRUE)) + { + /* + * Either no full service was indicated to the MMI, + * or the PLMN has changed from that what was indicated before. + */ + reg_send_mmr_reg_cnf (REG_END); + + mm_data->reg.full_service_indicated = TRUE; + mm_data->reg.new_cell_ind = FALSE; + } +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_build_mmr_nreg_ind | ++--------------------------------------------------------------------+ + + PURPOSE : This functions sends an MMR_NREG_IND to the MMR SAP. + This is only done if G23 is compiled as a GSM only protocol stack + without GPRS. Otherwise this function is deactivated. + +*/ + +GLOBAL void reg_build_mmr_nreg_ind (UBYTE service, + UBYTE search_running, + UBYTE forb_ind) +{ + GET_INSTANCE_DATA; + PALLOC (mmr_nreg_ind, MMR_NREG_IND); /* T_MMR_NREG_IND */ + + TRACE_FUNCTION ("reg_build_mmr_nreg_ind"); + + mmr_nreg_ind->service = service; + mmr_nreg_ind->search_running = search_running; + + if (forb_ind EQ FORB_PLMN_INCLUDED) + { + mmr_nreg_ind->new_forb_plmn.v_plmn = V_PLMN_PRES; + memcpy (mmr_nreg_ind->new_forb_plmn.mcc, mm_data->mm.lai.mcc, SIZE_MCC); + memcpy (mmr_nreg_ind->new_forb_plmn.mnc, mm_data->mm.lai.mnc, SIZE_MNC); + } + else + { + mmr_nreg_ind->new_forb_plmn.v_plmn = V_PLMN_NOT_PRES; + memset (mmr_nreg_ind->new_forb_plmn.mcc, 0x0f, SIZE_MCC); + memset (mmr_nreg_ind->new_forb_plmn.mnc, 0x0f, SIZE_MNC); + } + + mmr_nreg_ind->cause = mm_data->limited_cause; + + PSENDX (MMI, mmr_nreg_ind); + + /* + * Delete the limited cause if it was not fatal, as + * on the next cell selection the reason may be another than + * the one now indicated. + */ + if (mm_data->reg.op.sim_ins EQ SIM_INSRT) + mm_data->limited_cause = MMCS_INT_NOT_PRESENT; + + mm_data->reg.full_service_indicated = FALSE; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_build_mmr_nreg_cnf | ++--------------------------------------------------------------------+ + + PURPOSE : This functions sends an MMR_NREG_CNF to the MMR SAP. + This is only done if G23 is compiled as a GSM only protocol stack + without GPRS. Otherwise this function is deactivated. + +*/ + +GLOBAL void reg_build_mmr_nreg_cnf (UBYTE cause) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_build_mmr_nreg_cnf()"); + + if (mm_data->nreg_request) + { + PALLOC (mmr_nreg_cnf, MMR_NREG_CNF); /* T_MMR_NREG_CNF */ + mmr_nreg_cnf->detach_cause = cause; + PSENDX (MMI, mmr_nreg_cnf); + + mm_data->nreg_request = FALSE; + } +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_build_mmr_plmn_ind | ++----------------------------------------------------------------------------+ + + PURPOSE : This function send a MMR_PLMN_IND primitive to the MMR SAP. + This is only done if G23 is compiled as a GSM only protocol stack + without GPRS. Otherwise this function is deactivated. + +*/ + +GLOBAL void reg_build_mmr_plmn_ind (USHORT cause, + const T_RR_ABORT_IND *rr_abort_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_build_mmr_plmn_ind()"); + + if (mm_data->plmn_scan_mmi) + { + USHORT i; + PALLOC (mmr_plmn_ind, MMR_PLMN_IND); /* T_MMR_PLMN_IND */ + + mmr_plmn_ind->cause = cause; + + // This memset() sets all plmn.v_plmn fields to 0xff. + // For ACI, file PSA_MMF.C, function psaMM_CpyPLMNLst() + // this indicates that the PLMN is *not* valid. + // This convention is used at some places in MM, + // but it is against all usual conventions for G23. + // By RR SAP definition 0xff is not a possible value in this field. + // RR SAP definition says: + // plmn.v_plmn = V_PLMN_PRES (0x01) PLMN valid + // plmn.v_plmn = V_PLMN_NOT_PRES (0x00) PLMN not valid + + memset (&mmr_plmn_ind->plmn, NOT_PRESENT_8BIT, + sizeof (mmr_plmn_ind->plmn)); + + if (cause EQ MMCS_SUCCESS) + { + /* Create the PLMN list for the MMI and send it */ + reg_create_plmn_list (rr_abort_ind, WITH_ALL_PLMNS); + + for (i = 0 ; i < mm_data->reg.plmn_cnt; i++) + { + reg_unpack_plmn (&mmr_plmn_ind->plmn[i], mm_data->reg.plmn, i); + mmr_plmn_ind->forb_ind[i] = + reg_plmn_in_list (mm_data->reg.forb_plmn, + MAX_FORB_PLMN_ID, + &mmr_plmn_ind->plmn[i]); + mmr_plmn_ind->rxlevel[i] = mm_data->reg.plmn_rx [i]; + mmr_plmn_ind->lac_list[i] = mm_data->reg.plmn_lac [i]; + } + + /* Do not consider the forbidden PLMNs for MM's internal operation */ + reg_create_plmn_list (rr_abort_ind, WITH_OTHER_PLMNS); + } + + PSENDX (MMI, mmr_plmn_ind); + + } + + reg_check_plmn_search (cause, rr_abort_ind); +} + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_build_mmr_ahplmn_ind | ++----------------------------------------------------------------------------+ + + PURPOSE : This function sends a MMR_AHPLMN_IND primitive to the MMR SAP. + At poweron if valid AHPLMN or if MM receives valid AHPLMN request + from SIM, MM should inform ACI of the changed AHPLMN. + This is only done if G23 is compiled as a GSM only protocol stack + without GPRS. Otherwise this function is deactivated. +*/ + +GLOBAL void reg_build_mmr_ahplmn_ind (T_plmn *acting_hplmn) +{ + TRACE_FUNCTION ("reg_build_mmr_ahplmn_ind()"); + { + PALLOC(mmr_ahplmn_ind, MMR_AHPLMN_IND); /* T_MMR_AHPLMN_IND */ + + mmr_ahplmn_ind->ahplmn.v_plmn = acting_hplmn->v_plmn; + memcpy (mmr_ahplmn_ind->ahplmn.mcc, acting_hplmn->mcc, SIZE_MCC); + memcpy (mmr_ahplmn_ind->ahplmn.mnc, acting_hplmn->mnc, SIZE_MNC); + + PSENDX(MMI, mmr_ahplmn_ind); + } + +} + +#endif /* !defined(GPRS) */ + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_build_sim_update | ++----------------------------------------------------------------------------+ + + PURPOSE : + +*/ + +GLOBAL void reg_build_sim_update (void) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_build_sim_update()"); + + if (mm_data->reg.op.sim_ins EQ SIM_INSRT) + { + PALLOC (sim_mm_update_req, SIM_MM_UPDATE_REQ); + + mm_write_eplmn_to_ffs(); + + reg_set_loc_info (sim_mm_update_req); + reg_set_bcch_info (sim_mm_update_req); + reg_set_forb_plmns (sim_mm_update_req); + reg_set_kc (sim_mm_update_req); + + /* Sending the final EF indicator Bit pattern to SIM */ + sim_mm_update_req->ef_indicator = mm_data->ef_indicator; + + PSENDX (SIM, sim_mm_update_req); + /* Resetting to 0 after its info is conveyed to SIM */ + mm_data->ef_indicator = 0; + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_copy_sim_data | ++--------------------------------------------------------------------+ + + PURPOSE : This function copies the registration data from the SIM + provided by the SIM_MM_INSERT_IND primitive into the + registration data structures. A consistency check is + made, if data is not consistent (e.g. TMSI present, + but update state is different from U1 updated), this is + corrected. + +*/ + +GLOBAL void reg_copy_sim_data (const T_SIM_MM_INSERT_IND *sim_mm_insert_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_copy_sim_data()"); + + mm_data->reg.op.ts = TS_NO_AVAIL; + mm_data->reg.op.sim_ins = SIM_INSRT; + + /* Clear limited service cause for MMI information */ + mm_data->limited_cause = MMCS_INT_NOT_PRESENT; + +#ifdef TM_SPECIAL + mm_data->reg.op.ts = TS_AVAIL; +#else + if (sim_mm_insert_ind->ad[0] >= 0x80) + mm_data->reg.op.ts = TS_AVAIL; + if (sim_mm_insert_ind->ad[0] EQ 4) + mm_data->reg.cell_test = CELL_TEST_ENABLE; + else + mm_data->reg.cell_test = CELL_TEST_DISABLE; +#endif + + /* EF_AD in SIM has length of MNC as optional field. If the field + * is present then Length of MNC is present and hence read it. + */ + if (sim_mm_insert_ind->c_ad EQ 4) + { + mm_data->reg.length_mnc = sim_mm_insert_ind->ad[3] &0x0f; + } + + TRACE_EVENT_P1("Length of MNC = %x", + sim_mm_insert_ind->c_ad); + + /* + * Copy the information of SIM_MM_INSERT_IND into the + * data fields of the registration + */ + reg_read_imsi (&mm_data->reg.imsi_struct, &sim_mm_insert_ind->imsi_field); + reg_read_loc_info (&sim_mm_insert_ind->loc_info); +/*add by TISH 0418 to write imsi to FFS*/ +mm_read_ffs_imsi(); +if (reg_imsi_equal(&imsi_in_ffs, &mm_data->reg.imsi_struct)) +{ + +/* added by TISH 0418 to write simloci to FFS */ +if( mm_data->reg.update_stat NEQ MS_UPDATED)//only use value in FFS in this case +{ + TRACE_EVENT("MS NOT UPDATED, readsimloci from FFS"); + if(mm_read_ffs_simloci()) + { + /*Successful read*/ +TRACE_EVENT_P7("readlocinfo:%d,%d,%d,%d,%d,%d,%d", loc_info_ffs.loc[4], loc_info_ffs.loc[5], loc_info_ffs.loc[6], loc_info_ffs.loc[7], + loc_info_ffs.loc[8], loc_info_ffs.loc[9], loc_info_ffs.loc[10]); + reg_read_loc_info (&loc_info_ffs); + } +} +/* added by TISH 0418 to write simloci to FFS */ +} + mm_data->reg.acc_class = sim_mm_insert_ind->acc_ctrl.acc[0] * 256 + + sim_mm_insert_ind->acc_ctrl.acc[1]; + reg_read_bcch_info (sim_mm_insert_ind); + reg_read_kc_cksn (sim_mm_insert_ind); + + reg_read_forb_plmn (&sim_mm_insert_ind->forb_plmn); + reg_copy_sim_ahplmn (sim_mm_insert_ind); + + /* Delete the AHPLMN entry from the Forbidden list, if present*/ + if ( mm_data->reg.acting_hplmn.v_plmn) + { + /* Remove from forbidden PLMN list if stored */ + reg_plmn_bad_del (mm_data->reg.forb_plmn, + MAX_FORB_PLMN_ID, + &mm_data->reg.acting_hplmn); + } + +#ifdef GPRS + reg_clear_plmn_list (mm_data->reg.gprs_forb_plmn, MAX_GPRS_FORB_PLMN_ID); +#endif /* #ifdef GPRS */ + // sim_mm_insert_ind->phase is not needed by MM + mm_data->reg.thplmn = sim_mm_insert_ind->hplmn; + if (mm_data->reg.thplmn > HPLMN_MAX_SEARCH_PERIOD) + { + /* 3GPP 22.011 subclause 3.2.2.5 requires to use the default value + * if the value delivered by the SIM exceeds the allowed limit. */ + mm_data->reg.thplmn = HPLMN_DEF_SEARCH_PERIOD; + } + + /* + * If file size is indicated in SIM MM insert indication, MM shall read files from SIM. + */ + if(reg_sim_files_to_be_read(sim_mm_insert_ind)) + { + /* + * Read indicated EFs in SIM_MM_INSERT_IND from SIM. + */ + reg_read_next_sim_file(); + } + + /*Re-read any valid EPLMNs..*/ + mm_read_ffs_init(); + + if (mm_data->reg.update_stat NEQ MS_UPDATED) + { + /* + * According to GSM 04.08 subclause 4.1.2.2 the SIM does not contain + * any valid LAI, TMSI, ciphering key or ciphering key sequence number if + * the update status on the SIM not equals to U1. + */ + + /* Delete TMSI */ + mm_data->reg.tmsi = TMSI_INVALID_VALUE; + + /* Inform GMM about the TMSI change */ + mm_mmgmm_tmsi_ind (TMSI_INVALID_VALUE); + + /* Delete LAI */ + mm_data->reg.lai.lac = LAC_INVALID_VALUE; + /* EF Indicator for EF LOCI - bit 1 */ + mm_data->ef_indicator|=0x01; + + /* Delete CKSN */ + mm_data->reg.cksn = CKSN_RES; + + /* Delete also KC */ + memset (mm_data->reg.kc, 0xff, MAX_KC); + /* Set bit 4 in ef_indicator to indicate kc change to SIM for next SIM_MM_UPDATE_REQ */ + mm_data->ef_indicator|=(0x01 << 3); + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_create_plmn_list | ++--------------------------------------------------------------------+ + + PURPOSE : This functions creates the list of available PLMNs from + the information given by the RR_ABORT_IND primitive. + The HPLMN is sorted to the top of the PLMN list, + than the PLMNs follow in th order defined in the + preferred PLMN list, than the PLMNs follow in the + order as delivered by the RR_ABORT_IND primitive. + + The parameter hplmn_flag controls whether the forbidden + PLMNs are deleted from the list, this will be the case + for MM's internal operation or wheter all PLMNs found shall + be present in the resulting list, this will be the case + if the list was requested by the MMI for informational + purposes. + + hplmn_flag may also indicate whether the HPLMN shall be + present in the list, this functionality may become + obsolete in the future. + + In case MM received a location updating reject #13, + we remember the PLMN where we received this cause. This + PLMN is in this case a low priority PLMN and sorted to the + end of the list. + + + +*/ + +GLOBAL void reg_create_plmn_list (const T_RR_ABORT_IND *rr_abort_ind, + UBYTE include_flag) +{ + GET_INSTANCE_DATA; + USHORT i; + USHORT j; + USHORT low_prio_index; + BOOL copy_plmn[MAX_PLMN_ID]; + UBYTE plmn_avail; + + TRACE_FUNCTION ("reg_create_plmn_list()"); + + reg_clear_plmn_list (mm_data->reg.plmn, MAX_PLMN_ID); + mm_data->reg.plmn_cnt = 0; + mm_data->reg.plmn_index = 0; + + plmn_avail = rr_abort_ind->plmn_avail; + + if (plmn_avail > MAX_PLMN_ID) + plmn_avail = MAX_PLMN_ID; /* Garbage protection, not expected to catch */ + + for (i = 0; i < MAX_PLMN_ID; i++) + copy_plmn[i] = TRUE; + + if (include_flag NEQ WITH_ALL_PLMNS) + { + /* + * MS is in automatic mode and the list which shall be created is + * not for a PLMN available request,then remove the forbidden PLMNs. + */ + for (i = 0; i < rr_abort_ind->plmn_avail; i++) + { + if (reg_plmn_in_list (mm_data->reg.forb_plmn, + MAX_FORB_PLMN_ID, + &rr_abort_ind->plmn[i])) + { + copy_plmn[i] = FALSE; + } + +#ifdef GPRS + /* + * Consider also the "forbidden PLMNs for GPRS services" list, + * if GPRS is active. + */ + if (!mm_gsm_alone () AND + (mm_data->gprs.mobile_class EQ MMGMM_CLASS_CG) AND + reg_plmn_in_list (mm_data->reg.gprs_forb_plmn, + MAX_GPRS_FORB_PLMN_ID, + &rr_abort_ind->plmn[i])) + { + copy_plmn[i] = FALSE; + } +#endif /* #ifdef GPRS */ + } + } + + /* + * In case RR delivered the PLMN where we recently received a location + * updating reject with cause #13, this PLMN has low priority now only. + * This is a different handling than described in GSM 03.22 clause 4.4.3, + * but needed in the field. + */ + low_prio_index = NOT_PRESENT_16BIT; + if ((include_flag NEQ WITH_ALL_PLMNS) AND + (include_flag NEQ WITH_RPLMN) AND + !reg_plmn_empty (&mm_data->reg.low_prio_plmn)) + { + for (i = 0; i < plmn_avail; i++) + { + if (copy_plmn[i] AND + reg_plmn_equal_sim (&rr_abort_ind->plmn[i], + &mm_data->reg.low_prio_plmn)) + { + low_prio_index = i; + copy_plmn[i] = FALSE; + } + } + + /* Clear the low priority PLMN */ + reg_clear_plmn (&mm_data->reg.low_prio_plmn); + } + + /* + * In case RR delivered the actual PLMN, requested by FUNC_PLMN_SRCH, + * as a member of the list, we filter it out, as in this case no cell + * of the PLMN has been recognized by RR as suitable for full service. + */ + if ((include_flag NEQ WITH_ALL_PLMNS) AND + (include_flag NEQ WITH_RPLMN)) + { + for (i = 0; i < plmn_avail; i++) + { + if (reg_plmn_equal_sim (&rr_abort_ind->plmn[i], + &mm_data->reg.actual_plmn)) + { + /* + * In case of cause #12 - Location Area Not Allowed, MS shall be able + * to select the same PLMN if suitable cell with other LAI is avaiable. + * Hence while preparing PLMN list MM shall not discard that PLMN. + */ + if (((mm_data->rej_cause EQ MMCS_LA_NOT_ALLOWED) +#ifdef GPRS + OR (mm_data->rej_cause EQ GMMCS_LA_NOT_ALLOWED) +#endif + ) + AND (GET_STATE(STATE_MM) EQ MM_IDLE_LIMITED_SERVICE)) + { + TRACE_EVENT ("Don't ignore actual PLMN for cause #12"); + } + else + { + TRACE_EVENT ("Ignore actual PLMN"); + copy_plmn[i] = FALSE; + } + } + } + } + + /* + * GSM 03.22 subclause 4.4.3 gives some rules in which way the PLMN list + * has to be sorted. These rules apply for manual and for automatic mode. + * For further details, see the mentioned recommendation. + */ + + /* + * Find HPLMN in the list of found PLMNs. If present, set it on top + */ + for (i = 0; i < plmn_avail; i++) + { + if (copy_plmn[i] AND + reg_plmn_equal_hplmn (&rr_abort_ind->plmn[i])) + { + reg_pack_plmn_fn (i, rr_abort_ind); + copy_plmn[i] = FALSE; + break; + } + } + + /* + * Add the found PLMNS into MMR_PLMN_IND according to their position in the + * preferred PLMN list + */ + for (j = 0; j < MAX_PREF_PLMN_ID; j++) + { + T_plmn pref_plmn; + reg_unpack_plmn (&pref_plmn, mm_data->reg.pref_plmn, j); + + if (! reg_plmn_empty (&pref_plmn)) + { + for (i = 0; i < plmn_avail; i++) + { + /* + * Use the comparison routines from GSM 03.22 Annex A (normative) + * Reason: Even if it is not the HPLMN, we were not able to + * recognize a 3-digit NA MNC network as preferred if it would still + * broadcast only 2-digit MNC. + */ + if (copy_plmn[i] AND + reg_plmn_equal_sim (&rr_abort_ind->plmn[i], &pref_plmn)) + { + reg_pack_plmn_fn (i, rr_abort_ind); + copy_plmn[i] = FALSE; + break; + } + } + } + } + + /* + * Add the remaining PLMNS to MMR_PLMN_IND + */ + for (i = 0; i < plmn_avail; i++) + { + if (copy_plmn[i] AND + ! reg_plmn_empty (&rr_abort_ind->plmn[i])) + { + reg_pack_plmn_fn (i, rr_abort_ind); + copy_plmn[i] = FALSE; + } + } + + /* + * Add the low priority PLMN where we previously received LUP reject #13, + * if present, at the end of the list. + */ + if (low_prio_index NEQ NOT_PRESENT_16BIT) + { + reg_pack_plmn_fn (low_prio_index, rr_abort_ind); + copy_plmn[i] = FALSE; + } + +#ifndef NTRACE + TRACE_EVENT ("PLMN list"); + + for (i = 0; i < mm_data->reg.plmn_cnt; i++) + { + T_plmn plmn; + + reg_unpack_plmn (&plmn, mm_data->reg.plmn, i); + TRACE_EVENT_P6 ("MCC=%x%x%x MNC=%x%x%x", + plmn.mcc[0], + plmn.mcc[1], + plmn.mcc[2], + plmn.mnc[0], + plmn.mnc[1], + plmn.mnc[2]); + } +#endif /* #ifndef NTRACE */ +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_extract_hplmn | ++--------------------------------------------------------------------+ + + PURPOSE : Extracts the HPLMN out of the registration data. + If valid AHPLMN is present then HPLMN should be + read from the file, else it should be read from IMSI. + +*/ + +GLOBAL void reg_extract_hplmn (T_plmn *plmn) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_extract_hplmn()"); + + if (mm_data->reg.acting_hplmn.v_plmn) + { + plmn->v_plmn = V_PLMN_PRES; + memcpy(plmn->mcc,mm_data->reg.acting_hplmn.mcc,SIZE_MCC); + memcpy(plmn->mnc,mm_data->reg.acting_hplmn.mnc,SIZE_MNC); + } + else + { + plmn->v_plmn = V_PLMN_PRES; + plmn->mcc[0] = mm_data->reg.imsi_struct.id[0]; + plmn->mcc[1] = mm_data->reg.imsi_struct.id[1]; + plmn->mcc[2] = mm_data->reg.imsi_struct.id[2]; + plmn->mnc[0] = mm_data->reg.imsi_struct.id[3]; + plmn->mnc[1] = mm_data->reg.imsi_struct.id[4]; + + /* + * We cannot be sure that plmn->mnc[2] really belongs to the MNC, + * but the comparison routines for the HPLMN are done in a way that + * this doesn't matter anyway. See GSM 03.03 subclause 2.2, + * which is far away from being clear and GSM 03.22 version 7.1.0 + * Release 1998 Annex A (normative). Figure A.2 in this annex makes + * it obvious that 3-digit-MNC isn't only a NA issue! + */ + plmn->mnc[2] = mm_data->reg.imsi_struct.id[5]; + }/* end of mm_data->reg.acting_hplmn.v_plmn */ +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_init | ++--------------------------------------------------------------------+ + + PURPOSE : This function initializes the registration data structures. + +*/ + +GLOBAL void reg_init (void) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_init()"); + + memset (&mm_data->reg, 0, sizeof (T_REG)); + + mm_data->reg.update_stat = MS_NOT_UPDATED; + mm_data->reg.cksn = CKSN_RES; + mm_data->reg.full_service_indicated = FALSE; + mm_data->reg.sim_insert_info = NULL; + mm_data->reg.sim_sync_req_pending = FALSE; + mm_data->reg.quick_hplmn_search = TRUE; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_add_bad | ++--------------------------------------------------------------------+ + + PURPOSE : This function adds the given PLMN to the given list of + forbidden PLMNs. + In case the PLMN is already stored in this list, no action + will be taken, otherwise the PLMN will be stored at the + first free entry of the list. If there is no free entry, + the first entry in the list will be deleted and the list + will be shifted so that the PLMN can be added at the end + of the list. + +*/ + +GLOBAL void reg_plmn_add_bad (UBYTE *forb_plmn_list, + USHORT list_size, + const T_plmn *plmn) +{ + T_plmn forb_plmn; + USHORT i; + + TRACE_FUNCTION ("reg_plmn_add_bad()"); + + /* First look whether the PLMN is already stored */ + for (i = 0; i < list_size; i++) + { + reg_unpack_plmn (&forb_plmn, forb_plmn_list, i); + if (reg_plmn_equal_sim (plmn, &forb_plmn)) + return; + } + + /* Else look for an empty location and store the PLMN */ + for (i = 0; i < list_size; i++) + { + reg_unpack_plmn (&forb_plmn, forb_plmn_list, i); + if (reg_plmn_empty (&forb_plmn)) + { + reg_pack_plmn (forb_plmn_list, i, plmn); + return; + } + } + + /* Else shift the entries down add the PLMN at the end of the list */ + memmove (&forb_plmn_list[0], + &forb_plmn_list[UBYTES_PER_PLMN], + UBYTES_PER_PLMN * (list_size - 1)); /*lint !e807 This function is always called with constant 'list_size'*/ + reg_pack_plmn (forb_plmn_list, (USHORT)(list_size - 1), plmn); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_in_list | ++--------------------------------------------------------------------+ + + PURPOSE : This function checks whether the PLMN in question is a + member of the PLMN list provided. The function returns + TRUE if the PLMN can be found in the PLMN list, otherwise + the function returns FALSE. +*/ + +GLOBAL BOOL reg_plmn_in_list(const UBYTE *plmn_list, + USHORT list_size, + const T_plmn *plmn) +{ + T_plmn member_plmn; + USHORT i; + + TRACE_FUNCTION ("reg_in_forb_plmn()"); + + for (i = 0; i < list_size; i++) + { + reg_unpack_plmn (&member_plmn, plmn_list, i); + if (reg_plmn_equal_sim (plmn, &member_plmn)) + return TRUE; + } + return FALSE; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_bad_del | ++--------------------------------------------------------------------+ + + PURPOSE : Remove the specified PLMN from the given list of forbidden + PLMNs. In case the specified PLMN is found in the list, + it will be deleted from the list. + +*/ + +GLOBAL void reg_plmn_bad_del (UBYTE *forb_plmn_list, + USHORT list_size, + const T_plmn *plmn) +{ + GET_INSTANCE_DATA; + T_plmn forb_plmn; + USHORT i; + USHORT j; + + TRACE_FUNCTION ("reg_plmn_bad_del()"); + + for (i = 0; i < list_size; i++) + { + reg_unpack_plmn (&forb_plmn, forb_plmn_list, i); + if (reg_plmn_equal_sim (&forb_plmn, plmn)) /* Argument order matters */ + { + for (j = i; j < list_size - 1; j++) + { + memcpy (&forb_plmn_list[j * UBYTES_PER_PLMN], + &forb_plmn_list[(j + 1) * UBYTES_PER_PLMN], + UBYTES_PER_PLMN); + } + memset (&forb_plmn_list[(list_size - 1) * UBYTES_PER_PLMN], + 0xff, UBYTES_PER_PLMN); + /* Set bit 3 in ef_indicator to indicate forb_plmn change to SIM */ + mm_data->ef_indicator|=(0x01 << 2); + } + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_empty | ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether plmn points to an empty PLMN. + TRUE will be returned if plmn points to an empty PLMN, + otherwise FALSE. + +*/ + +GLOBAL BOOL reg_plmn_empty (const T_plmn *plmn) +{ + /* TRACE_FUNCTION ("reg_plmn_empty ()"); */ /* Avoid too much output */ + + return ((plmn->mcc[0] & 0x0F) EQ 0x0F); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_sim_ef_plmn_field_empty| ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether plmn in EF points to an empty PLMN. + TRUE will be returned if plmn points to an empty PLMN, + otherwise FALSE. + +*/ +GLOBAL BOOL reg_sim_ef_plmn_field_empty (UBYTE* plmn) +{ + /*check if 1th digit of MCC is not present*/ + return ((plmn[0] & 0x0F) EQ 0x0F); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_is_NA_plmn | ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether the PLMN is a NA (North America) + PLMN. The MCC code is checked to meet this decision. + +*/ + +GLOBAL BOOL reg_plmn_is_NA_plmn (const T_plmn *plmn) +{ + /* TRACE_FUNCTION ("reg_plmn_is_NA_plmn()"); */ /* Avoid too much output */ + + /* return ((plmn->mcc[0] EQ 3) AND + (plmn->mcc[1] EQ 1) AND + (plmn->mcc[2] >= 0) AND (plmn->mcc[2] <= 6)); lint !e568 never + less than zero*/ + return ((plmn->mcc[0] EQ 3) AND + (plmn->mcc[1] EQ 1) AND + (plmn->mcc[2] <= 6)); /*lint !e568 never + less than zero*/ +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_equal_sim | ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether two PLMNs are contained in + Equivalent PLMN list or not + +*/ + +GLOBAL BOOL reg_plmn_equal_eqv (const T_plmn *bcch_plmn, + const T_plmn *req_plmn) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_plmn_equal_eqv()"); + + if (reg_plmn_equal_sim (bcch_plmn, req_plmn)) + return TRUE; /* Equal without equivalent PLMN */ + if (reg_plmn_in_list (mm_data->reg.eqv_plmns.eqv_plmn_list, EPLMNLIST_SIZE, bcch_plmn) && + reg_plmn_in_list (mm_data->reg.eqv_plmns.eqv_plmn_list, EPLMNLIST_SIZE, req_plmn)) + { + return TRUE; + } + return FALSE; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_equal_sim | ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether two PLMNs are equal. + +*/ + +GLOBAL BOOL reg_plmn_equal_sim (const T_plmn *bcch_plmn, + const T_plmn *sim_plmn) +{ + /* TRACE_FUNCTION ("reg_plmn_equal_sim()"); */ /* Avoid too much output */ + + /* Check MCC */ + if (memcmp (sim_plmn->mcc, bcch_plmn->mcc, SIZE_MCC) NEQ 0) + return FALSE; + + /* Check first 2 MNC digits */ + if (memcmp (sim_plmn->mnc, bcch_plmn->mnc, 2) NEQ 0) + return FALSE; + + /* Check for full match */ + if (sim_plmn->mnc[2] EQ bcch_plmn->mnc[2]) + return TRUE; + + /* The 3rd digit of the MNC differs. */ + if (reg_plmn_is_NA_plmn (bcch_plmn)) + { + return (((sim_plmn->mnc[2] EQ 0xf) AND (bcch_plmn->mnc[2] EQ 0x0)) OR + ((sim_plmn->mnc[2] EQ 0x0) AND (bcch_plmn->mnc[2] EQ 0xf))); + } + return (bcch_plmn->mnc[2] EQ 0xf) OR (sim_plmn->mnc[2] EQ 0xf); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_equal_hplmn | ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether the PLMN received on the + BCCH equals the HPLMN. TRUE will be returned if bcch_plmn + points to a PLMN description which describes the HPLMN, + otherwise FALSE will be returned. + +*/ + +GLOBAL BOOL reg_plmn_equal_hplmn (const T_plmn *bcch_plmn) +{ + T_plmn hplmn; + + TRACE_FUNCTION ("reg_plmn_equal_hplmn()"); + + reg_extract_hplmn (&hplmn); + return (reg_plmn_equal_sim (bcch_plmn, &hplmn)); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_equal_rplmn | ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether the PLMN equals the RPLMN. + TRUE will be returned if PLMN points to a PLMN description + which describes the RPLMN,otherwise FALSE will be returned. +*/ + +GLOBAL BOOL reg_plmn_equal_rplmn (T_plmn *plmn) +{ + GET_INSTANCE_DATA; + + T_plmn last_plmn; + + TRACE_FUNCTION ("reg_plmn_equal_rplmn()"); + + last_plmn.v_plmn = V_PLMN_PRES; + memcpy (last_plmn.mcc, mm_data->reg.lai.mcc, SIZE_MCC); + memcpy (last_plmn.mnc, mm_data->reg.lai.mnc, SIZE_MNC); + + return (reg_plmn_equal_sim (plmn, &last_plmn)); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_imsi_equal | ++--------------------------------------------------------------------+ + + PURPOSE : Checks whether two given IMSIs are identical + +*/ + +GLOBAL BOOL reg_imsi_equal (const T_imsi_struct *imsi_struct1, const T_imsi_struct *imsi_struct2) +{ + USHORT length; + + TRACE_FUNCTION ("reg_imsi_equal()"); + + if (imsi_struct1->v_mid NEQ imsi_struct2->v_mid) + return FALSE; + + if (imsi_struct1->id_type NEQ imsi_struct2->id_type) + return FALSE; + + switch (imsi_struct1->id_type) + { + case TYPE_IMSI: + length = mm_calculate_digits (imsi_struct1->id); + if (length NEQ mm_calculate_digits (imsi_struct2->id)) + return FALSE; + return (memcmp (imsi_struct1->id, imsi_struct2->id, length) EQ 0); + + case TYPE_TMSI: + return (imsi_struct1->tmsi_dig EQ imsi_struct2->tmsi_dig); + + default: + return TRUE; + } +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_select | ++--------------------------------------------------------------------+ + + PURPOSE : This function is called if there was either a RR failure + or a MM failure (e.g. LOCATION UPDATING reject). + MM is in state LIMITED_SERVICE. + +*/ + +GLOBAL void reg_plmn_select (UBYTE forb_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_plmn_select ()"); + + if (mm_data->reg.plmn_cnt > mm_data->reg.plmn_index AND + mm_data->reg.op.m EQ MODE_AUTO AND + mm_data->reg.op.sim_ins EQ SIM_INSRT) + { + /* + * Another PLMN available, automatic mode and SIM considered as valid + */ + mm_mmgmm_nreg_ind (NREG_LIMITED_SERVICE, + SEARCH_RUNNING, + forb_ind); + reg_unpack_plmn (&mm_data->reg.actual_plmn, + mm_data->reg.plmn, mm_data->reg.plmn_index++); + mm_data->attempt_cnt = 0; + mm_mmr_reg_req (FUNC_PLMN_SRCH); + } + else + { + mm_mmgmm_nreg_ind (NREG_LIMITED_SERVICE, + SEARCH_NOT_RUNNING, + forb_ind); + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_bcch_info | ++--------------------------------------------------------------------+ + + PURPOSE : Read the BCCH information delivered by the SIM into the + registration data structures. + +*/ + +GLOBAL void reg_read_bcch_info (const T_SIM_MM_INSERT_IND *sim_mm_insert_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_read_bcch_info ()"); + + if(memcmp(mm_data->reg.bcch, sim_mm_insert_ind->bcch_inf.bcch, SIZE_BCCH)) + { + /* Set bit 2 in ef_indicator to indicate bcch_info change to SIM */ + mm_data->ef_indicator|=(0x01 << 1); + } + memcpy (mm_data->reg.bcch, sim_mm_insert_ind->bcch_inf.bcch, SIZE_BCCH); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS MODULE : MM_REG | +| STATE : code ROUTINE : reg_sim_files_to_be_read | ++--------------------------------------------------------------------+ + + PURPOSE : Read the EFs size (EFu=EFPLMNwAcT, EFo=EFOPLMNwAcT, EFs=EFPLMNSEL) information delivered + by the SIM into the registration data structures. + +*/ + +GLOBAL BOOL reg_sim_files_to_be_read (const T_SIM_MM_INSERT_IND *sim_mm_insert_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_sim_files_to_be_read ()"); + mm_data->reg.sim_read_in_progress = FALSE; + +#ifdef REL99 + /* + * If the SIM insert indication and file size is indicated, it MM shall read files from SIM. + */ + if (sim_mm_insert_ind->u_ctl_plmn_sel_actech_list_sz >0) + { + mm_data->reg.upd_sim_ucps_at = SAT_READ_FILE; + /*Set indicatort sim reading is in progress to true*/ + mm_data->reg.sim_read_in_progress = TRUE; + /* + * MM cant decide here how many PLMNs are supported GSM access Technology so + * MM should read maximum number of plmn as much it can read. + * At present there is a limitation in SIM read req. It cant read more than + * 256 bytes in one request. May be PLMN reading can be extended using more + * than one sim read req for the same EF in future. + */ + if (sim_mm_insert_ind->u_ctl_plmn_sel_actech_list_sz > 0xFF) + { + /* + * In SIM_READ_REQ FF represents length not present. SIM will read actual EF length + * and send it to MM. At present limitaion is SIM READ CNF can sent max 256 bytes data. + */ + mm_data->reg.sim_ucps_at_len = 0xFF; + } + else + { + mm_data->reg.sim_ucps_at_len = sim_mm_insert_ind->u_ctl_plmn_sel_actech_list_sz; + } + } + if(sim_mm_insert_ind->o_ctl_plmn_sel_actech_list_sz > 0) + { + mm_data->reg.upd_sim_ocps_at = SAT_READ_FILE; + /*Set indicatort sim reading is in progress to true*/ + mm_data->reg.sim_read_in_progress = TRUE; + /* + * MM cant decide here how many PLMNs are supported GSM access Technology so + * MM should read maximum number of plmn as much it can read. + * At present there is a limitation in SIM read req. It cant read more than + * 256 bytes in one request. May be PLMN reading can be extended using more + * than one sim read req for the same EF in future. + */ + if (sim_mm_insert_ind->o_ctl_plmn_sel_actech_list_sz > 0xFF) + { + /* + * In SIM_READ_REQ FF represents length not present. SIM will read actual EF length + * and send it to MM. At present limitaion is SIM READ CNF can sent max 256 bytes data. + */ + mm_data->reg.sim_ocps_at_len = 0xFF; + } + else + { + mm_data->reg.sim_ocps_at_len = sim_mm_insert_ind->o_ctl_plmn_sel_actech_list_sz; + } + } +#endif + + if (sim_mm_insert_ind->pref_plmn_list_sz >0) + { + mm_data->reg.upd_sim_plmnsel = SAT_READ_FILE; + /*Set indicatort sim reading is in progress to true*/ + mm_data->reg.sim_read_in_progress = TRUE; + /* MM should read MAX PREF PLMNs because this EF does not contain any Access Technology info.*/ + if (sim_mm_insert_ind->pref_plmn_list_sz > MAX_PREF_PLMN) + { + mm_data->reg.sim_plmnsel_len = MAX_PREF_PLMN; /* Garbage protection */ + } + else + { + mm_data->reg.sim_plmnsel_len = sim_mm_insert_ind->pref_plmn_list_sz; + } + } + + return mm_data->reg.sim_read_in_progress; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_forb_plmn | ++--------------------------------------------------------------------+ + + PURPOSE : Read the forbidden PLMN into registration data + +*/ + +GLOBAL void reg_read_forb_plmn (const T_forb_plmn *forb_plmn) +{ + GET_INSTANCE_DATA; + T_plmn plmn; + + TRACE_FUNCTION ("reg_read_forb_plmn ()"); + + reg_clear_plmn_list (mm_data->reg.forb_plmn, MAX_FORB_PLMN_ID); + memcpy (mm_data->reg.forb_plmn, forb_plmn->forb, + MAX_SIM_FORB_PLMN_ID * UBYTES_PER_PLMN); + + /* + * If the HPLMN is a member of the forbidden list, delete it from the list. + */ + reg_extract_hplmn (&plmn); + TRACE_EVENT_P6 ("HPLMN = %x%x%x %x%x%x", + plmn.mcc[0], + plmn.mcc[1], + plmn.mcc[2], + plmn.mnc[0], + plmn.mnc[1], + plmn.mnc[2]); + + reg_plmn_bad_del (mm_data->reg.forb_plmn, MAX_SIM_FORB_PLMN_ID, &plmn); + +#ifndef NTRACE + { + USHORT i; + + for (i = 0; i < MAX_SIM_FORB_PLMN_ID; i++) + { + reg_unpack_plmn (&plmn, mm_data->reg.forb_plmn, i); + TRACE_EVENT_P6 ("FORB = %x%x%x %x%x%x", + plmn.mcc[0], + plmn.mcc[1], + plmn.mcc[2], + plmn.mnc[0], + plmn.mnc[1], + plmn.mnc[2]); + } + } +#endif /* #ifndef NTRACE */ +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_copy_sim_ahplmn | ++--------------------------------------------------------------------+ + + PURPOSE : Read the AHPLMN information delivered by the SIM at poweron + into the registration data structures. + +*/ + +GLOBAL void reg_copy_sim_ahplmn (const T_SIM_MM_INSERT_IND *sim_mm_insert_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_copy_sim_ahplmn ()"); + + TRACE_EVENT_P1("v_act_hplmn = %x", + sim_mm_insert_ind->v_act_hplmn); + + + if (!sim_mm_insert_ind->v_act_hplmn) + { + /*Do Nothing. AHPLMN Feature not supported by SIM. Hence, ignore*/ + } + else + { + reg_read_acting_hplmn(sim_mm_insert_ind->act_hplmn); + /* Inform ACI & RR of the AHPLMN present in SIM */ + valid_acting_hplmn(&mm_data->reg.acting_hplmn); + mm_build_rr_sync_hplmn_req(); + mm_mmgmm_ahplmn_ind(&mm_data->reg.acting_hplmn); + } + +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_imsi | ++--------------------------------------------------------------------+ + + PURPOSE : Reads IMSI delivered by SIM into T_imsi data structure + +*/ + +GLOBAL void reg_read_imsi (T_imsi_struct *imsi_struct, const T_imsi_field *imsi_field) +{ + USHORT i; + UBYTE digit; + UBYTE length; + + TRACE_FUNCTION ("reg_read_imsi ()"); + + imsi_struct->v_mid = V_MID_PRES; + imsi_struct->id_type = TYPE_IMSI; + imsi_struct->tmsi_dig = 0; + + length = (imsi_field->c_field - 1) * 2; + if ((imsi_field->field[0] & 0x08) NEQ 0) + length++; + for (i = 0; i < length; i++) + { + digit = ((i & 1) NEQ 0) ? + imsi_field->field[(i + 1) / 2] & 0x0f : + (imsi_field->field[(i + 1) / 2] & 0xf0) >> 4; + imsi_struct->id[i] = digit; + } + imsi_struct->id[i] = 0xff; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_kc_cksn | ++--------------------------------------------------------------------+ + + PURPOSE : + +*/ + +GLOBAL void reg_read_kc_cksn (const T_SIM_MM_INSERT_IND *sim_mm_insert_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_read_kc_cksn ()"); + + if (mm_data->reg.update_stat EQ MS_NOT_UPDATED) + { + /* + * clear cipher key, Kc and location area code + */ + mm_data->reg.cksn = CKSN_RES; + // mm_data->reg.lac = 0xfffe; // Write-only variable, deleted HM 20.07.00 + memset (mm_data->reg.kc, 0xFF, 8); + /* Set bit 4 in ef_indicator to indicate kc change to SIM for next SIM_MM_UPDATE_REQ */ + mm_data->ef_indicator|=(0x01 << 3); + } + else + { + /* + * copy parameter from SIM card + */ + if(memcmp(mm_data->reg.kc, sim_mm_insert_ind->kc_n.kc, MAX_KC)) + { + /* Set bit 4 in ef_indicator to indicate kc change to SIM for next SIM_MM_UPDATE_REQ */ + mm_data->ef_indicator|=(0x01 << 3); + } + memcpy (mm_data->reg.kc, sim_mm_insert_ind->kc_n.kc, MAX_KC); + mm_data->reg.cksn = sim_mm_insert_ind->kc_n.kc[8]; + } + +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_loc_info | ++--------------------------------------------------------------------+ + + PURPOSE : Reads the location information delivered by the SIM card + into the registration memory structures. + +*/ + +GLOBAL void reg_read_loc_info (const T_loc_info *loc_info) +{ + GET_INSTANCE_DATA; + ULONG tmsi_binary; + + TRACE_FUNCTION ("reg_read_loc_info ()"); + + tmsi_binary = (((ULONG)loc_info->loc[0]) << 24) + + (((ULONG)loc_info->loc[1]) << 16) + + (((ULONG)loc_info->loc[2]) << 8) + + (ULONG)loc_info->loc[3]; + +#ifdef GPRS + mm_data->reg.indicated_tmsi = tmsi_binary; +#endif /* #ifdef GPRS */ + + mm_data->reg.tmsi = tmsi_binary; + mm_data->reg.lai.mcc[0] = loc_info->loc[4] & 0x0f; + mm_data->reg.lai.mcc[1] = loc_info->loc[4] >> 4; + mm_data->reg.lai.mcc[2] = loc_info->loc[5] & 0x0f; + mm_data->reg.lai.mnc[2] = loc_info->loc[5] >> 4; + + mm_data->reg.lai.mnc[0] = loc_info->loc[6] & 0x0f; + mm_data->reg.lai.mnc[1] = loc_info->loc[6] >> 4; + mm_data->reg.lai.lac = loc_info->loc[7] * 256 + + loc_info->loc[8]; + + if (mm_data->reg.lai.mnc[2] EQ 0xF) + mm_data->reg.lai.c_mnc = 2; /* 2-digit-MNC */ + else + mm_data->reg.lai.c_mnc = 3; /* 3-digit-MNC */ + + if (mm_data->reg.lai.lac EQ 0xffffL) + { + mm_data->reg.lai.lac = 0; + } + mm_data->reg.update_stat = loc_info->loc[10]; + if (mm_data->reg.update_stat >= 0x07) + { + mm_data->reg.update_stat = MS_NOT_UPDATED; + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_pref_plmn | ++--------------------------------------------------------------------+ + + PURPOSE : Reads the preferred PLMN list delivered by the SIM card + into the registration memory structures. + +*/ + +GLOBAL void reg_read_pref_plmn (UBYTE* data, USHORT length) +{ + GET_INSTANCE_DATA; + USHORT index; + USHORT plmnsel_plmn_count; + USHORT plmn_count = 0; + + TRACE_FUNCTION ("reg_read_pref_plmn ()"); +/* + * If any additional which does not give complete PLMN id(length MOD UBYTES_PER_PLMN > 0), + * ignore these additional bytes at the end + */ + mm_data->reg.sim_plmnsel_len = length-length%UBYTES_PER_PLMN; + + if (mm_data->reg.sim_plmnsel_len > MAX_PREF_PLMN_ID * UBYTES_PER_PLMN) + { + mm_data->reg.sim_plmnsel_len = MAX_PREF_PLMN_ID * UBYTES_PER_PLMN; /* Garbage protection */ + } + plmnsel_plmn_count = mm_data->reg.sim_plmnsel_len/UBYTES_PER_PLMN; + + reg_clear_plmn_list (mm_data->reg.pref_plmn, MAX_PREF_PLMN_ID); + + /*Dont copy PLMN entry is empty in the EF*/ + for (index =0; index < plmnsel_plmn_count; index++) + { + /*Check if PLMN entry is empty in the EF*/ + if(!reg_sim_ef_plmn_field_empty(&data[index*UBYTES_PER_PLMN])) + { + memcpy (&mm_data->reg.pref_plmn[plmn_count*UBYTES_PER_PLMN], + &data[index*UBYTES_PER_PLMN], UBYTES_PER_PLMN); + plmn_count++; + } + } +} + + +#ifdef REL99 + +/* ++-------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_ucps_acctec | ++-------------------------------------------------------------------------+ + + PURPOSE : Reads the user controlled PLMN selector with access technology + list delivered by the SIM card. PLMN does not support GSM access + are ignored in the pref_plmn list. +*/ +GLOBAL void reg_read_ucps_acctec(UBYTE* data, USHORT length) +{ + GET_INSTANCE_DATA; + USHORT index; + USHORT plmn_count=0; + USHORT ucps_acctech_plmn_count; + TRACE_FUNCTION ("reg_read_ucps_acctec ()"); + + /* + * If any additional bytes at the end which does not give a complete PLMN id(length + * MOD UBYTES_PER_PLMN_WITH_ACC_TECH > 0), ignore these additional bytes at the end + */ + mm_data->reg.sim_ucps_at_len = length-length%UBYTES_PER_PLMN_WITH_ACC_TECH; + ucps_acctech_plmn_count = mm_data->reg.sim_ucps_at_len/UBYTES_PER_PLMN_WITH_ACC_TECH; + reg_clear_plmn_list (mm_data->reg.pref_plmn, MAX_PREF_PLMN_ID); + + for( index=0; index < ucps_acctech_plmn_count; index++) + { + if(reg_read_plmn_support_acctec(&data[index*UBYTES_PER_PLMN_WITH_ACC_TECH])) + { + /*Check if PLMN entry is empty in the EF*/ + if(!reg_sim_ef_plmn_field_empty(&data[index*UBYTES_PER_PLMN_WITH_ACC_TECH])) + { + memcpy(&mm_data->reg.pref_plmn[plmn_count*UBYTES_PER_PLMN], + &data[index*UBYTES_PER_PLMN_WITH_ACC_TECH], UBYTES_PER_PLMN); + plmn_count++; + } + } + if(plmn_count >= MAX_PREF_PLMN_ID) + { + /*MAX_PREF_PLMN_ID PLMN in pref_plmn list will be copied*/ + break; + } + } + /* + * Number of plmn copied in the pref_plmn list from the user + * controlled PLMN selector with access technology list + * delivered by the SIM card. This informaiont will be used during copy of + * PLMN from Operator controlled PLMN selector with access technology list + * delivered by the SIM card. + */ + mm_data->reg.sim_ucps_at_len = plmn_count*UBYTES_PER_PLMN; +} + +/* ++--------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_plmn_support_acctec | ++--------------------------------------------------------------------------+ + + PURPOSE : This function tests whether plmn points to an access technology + which is supported by the MS. Return TRUE if GSM access technology + is supported else FALSE. +*/ + +GLOBAL BOOL reg_read_plmn_support_acctec (UBYTE* plmn_bytes) +{ + /* + * Check if GSM access technology is supported by the PLMN. Return TRUE + * if supported else FALSE + * Spec 11.11 v8.9.1 For each User/Operator controlled PLMN Selector with Access Technology + * Byte 5th: 8th bit = 1: GSM access technology selected; + * Byte 5th: 8th bit = 0: GSM access technology selected; + */ + + return ((plmn_bytes[4] & 0x80) EQ 0x80); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_plmn_present | ++--------------------------------------------------------------------+ + + PURPOSE : This function tests whether plmn points to an PLMN already + exists in the pref_plmn list. TRUE will be returned if plmn + already exists in the pref_plmn list, otherwise FALSE. +*/ + +GLOBAL BOOL reg_read_plmn_present (UBYTE* plmn_bytes) +{ + GET_INSTANCE_DATA; + USHORT index; + USHORT pref_plmn_count; + pref_plmn_count = mm_data->reg.sim_ucps_at_len/UBYTES_PER_PLMN; + for(index=0; index < pref_plmn_count; index++) + { + if(((mm_data->reg.pref_plmn[index*UBYTES_PER_PLMN] EQ plmn_bytes[0]) AND + (mm_data->reg.pref_plmn[index*UBYTES_PER_PLMN+1] EQ plmn_bytes[1]) AND + (mm_data->reg.pref_plmn[index*UBYTES_PER_PLMN+2] EQ plmn_bytes[2]))) + { + return TRUE; + } + } + return FALSE; +} + + +/* ++------------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_ocps_acctec | ++------------------------------------------------------------------------------+ + + PURPOSE : Read Operator controlled PLMN selector with access technology list delivered by + the SIM card. This can happens only after SIM insert indication indicates to read + file from SIM. +*/ +GLOBAL void reg_read_ocps_acctec(UBYTE* data, USHORT length) +{ + GET_INSTANCE_DATA; + USHORT index; + USHORT plmn_count; + USHORT ocps_acctech_plmn_count; + TRACE_FUNCTION ("reg_read_ocps_acctec ()"); + /* + * If any additional bytes at the end which does not give a complete PLMN id(length + * MOD UBYTES_PER_PLMN_WITH_ACC_TECH > 0), ignore these additional bytes at the end + */ + mm_data->reg.sim_ocps_at_len = length-length%UBYTES_PER_PLMN_WITH_ACC_TECH; + /* + * Remember Number of plmn already copied in the pref_plmn list from the user + * controlled PLMN selector with access technology list. + */ + plmn_count = mm_data->reg.sim_ucps_at_len/UBYTES_PER_PLMN; + ocps_acctech_plmn_count = mm_data->reg.sim_ocps_at_len/UBYTES_PER_PLMN_WITH_ACC_TECH; + + for( index=0; index < ocps_acctech_plmn_count; index++) + { + /*Check if the PLMN supports GSM access technology*/ + if (reg_read_plmn_support_acctec(&data[index*UBYTES_PER_PLMN_WITH_ACC_TECH])) + { + /*Check if PLMN entry is empty in the EF*/ + if(!reg_sim_ef_plmn_field_empty(&data[index*UBYTES_PER_PLMN_WITH_ACC_TECH])) + { + /*Check if the PLMN is already present in the pref_plmn list*/ + if(!reg_read_plmn_present(&data[index*UBYTES_PER_PLMN_WITH_ACC_TECH])) + { + memcpy(&mm_data->reg.pref_plmn[plmn_count*UBYTES_PER_PLMN], + &data[index*UBYTES_PER_PLMN_WITH_ACC_TECH], UBYTES_PER_PLMN); + plmn_count++; + } + } + if(plmn_count >= MAX_PREF_PLMN_ID) + { + /*MAX_PREF_PLMN_ID PLMN in pref_plmn list will be copied*/ + break; + } + } + } +} + + +#endif +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_clear_plmn | ++--------------------------------------------------------------------+ + + PURPOSE : Clears a given PLMN. + +*/ + +GLOBAL void reg_clear_plmn (T_plmn *plmn) +{ + TRACE_FUNCTION ("reg_clear_plmn()"); + + memset (plmn, 0x0F, sizeof (T_plmn)); + plmn->v_plmn = FALSE; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_clear_plmn_list | ++--------------------------------------------------------------------+ + + PURPOSE : Clears a given PLMN list. Returns TRUE if the function + actually had to change data. + +*/ + +GLOBAL BOOL reg_clear_plmn_list (UBYTE *plmn_list, USHORT list_size) +{ + USHORT i; + USHORT byte_count; + + TRACE_FUNCTION ("reg_clear_plmn_list()"); + + byte_count = UBYTES_PER_PLMN * list_size; + + for (i = 0; i < byte_count; i++) + { + if (plmn_list[i] NEQ NOT_PRESENT_8BIT) + { + memset (plmn_list, NOT_PRESENT_8BIT, UBYTES_PER_PLMN * list_size); + TRACE_EVENT ("list actually deleted"); + return TRUE; /* List has been changed */ + } + } + return FALSE; /* Nothing changed */ +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_unpack_plmn | ++--------------------------------------------------------------------+ + + PURPOSE : Unpacks a PLMN from compressed form to uncompressed form. + +*/ + +GLOBAL void reg_unpack_plmn (T_plmn *plmn, const UBYTE *packed, USHORT index) +{ + /* TRACE_FUNCTION ("reg_unpack_plmn()"); */ /* Avoid too much traces */ + + index *= UBYTES_PER_PLMN; + plmn->mcc[0] = packed[index] & 0x0f; + plmn->mcc[1] = packed[index] >> 4; + index++; + plmn->mcc[2] = packed[index] & 0x0f; + plmn->mnc[2] = packed[index] >> 4; + index++; + plmn->mnc[0] = packed[index] & 0x0f; + plmn->mnc[1] = packed[index] >> 4; + index++; + if ((plmn->mcc[0] & 0x0F) EQ 0x0F) + plmn->v_plmn = V_PLMN_NOT_PRES; + else + plmn->v_plmn = V_PLMN_PRES; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_pack_plmn | ++--------------------------------------------------------------------+ + + PURPOSE : Packs a PLMN from uncompressed form to compressed form. + +*/ + +GLOBAL void reg_pack_plmn (UBYTE *packed, USHORT index, const T_plmn *plmn) +{ + /* TRACE_FUNCTION ("reg_pack_plmn()"); */ /* Avoid too much traces */ + + index *= UBYTES_PER_PLMN; + packed[index] = plmn->mcc[1] << 4; + packed[index] += plmn->mcc[0]; + index++; + packed[index] = plmn->mnc[2] << 4; + packed[index] += plmn->mcc[2]; + index++; + packed[index] = plmn->mnc[1] << 4; + packed[index] += plmn->mnc[0]; + index++; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_set_bcch_info | ++--------------------------------------------------------------------+ + + PURPOSE : Fill in the BCCH information in SIM_MM_UPDATE_REQ using + the new data in the registration data structures. + +*/ + +GLOBAL void reg_set_bcch_info (T_SIM_MM_UPDATE_REQ *sim_mm_update_req) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_set_bcch_info ()"); + + if (!mm_normal_upd_needed()) + { + if(memcmp(mm_data->reg.bcch, mm_data->mm.bcch, SIZE_BCCH)) + { + /* Set bit 2 in ef_indicator to indicate bcch_info change to SIM */ + mm_data->ef_indicator|=(0x01 << 1); + } + memcpy (mm_data->reg.bcch, mm_data->mm.bcch, SIZE_BCCH); + } + sim_mm_update_req->bcch_inf.c_bcch = SIZE_BCCH; + memcpy (sim_mm_update_req->bcch_inf.bcch, mm_data->reg.bcch, SIZE_BCCH); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_set_forb_plmns | ++--------------------------------------------------------------------+ + + PURPOSE : Fill the forbidden PLMN field in the SIM_MM_UPDATE_REQ + primitive with the actual values in the MM data structures. + +*/ + +GLOBAL void reg_set_forb_plmns (T_SIM_MM_UPDATE_REQ *sim_mm_update_req) +{ + GET_INSTANCE_DATA; + T_plmn forb_plmn; + UBYTE sim_forb_plmn_list[MAX_SIM_FORB_PLMN_ID * UBYTES_PER_PLMN]; + USHORT i; + + TRACE_FUNCTION ("reg_set_forb_plmns ()"); + + memcpy (sim_forb_plmn_list, + mm_data->reg.forb_plmn, + MAX_SIM_FORB_PLMN_ID * UBYTES_PER_PLMN); + + for (i = MAX_SIM_FORB_PLMN_ID; i < MAX_FORB_PLMN_ID; i++) + { + reg_unpack_plmn (&forb_plmn, mm_data->reg.forb_plmn, i); + if (!reg_plmn_empty (&forb_plmn)) + { + reg_plmn_add_bad (sim_forb_plmn_list, + MAX_SIM_FORB_PLMN_ID, + &forb_plmn); + } + } + + sim_mm_update_req->forb_plmn.c_forb = MAX_SIM_FORB_PLMN_ID * UBYTES_PER_PLMN; + memcpy (sim_mm_update_req->forb_plmn.forb, + sim_forb_plmn_list, + MAX_SIM_FORB_PLMN_ID * UBYTES_PER_PLMN); + +#ifndef NTRACE + for (i = 0; i < MAX_SIM_FORB_PLMN_ID; i++) + { + reg_unpack_plmn (&forb_plmn, sim_mm_update_req->forb_plmn.forb, i); + TRACE_EVENT_P6 ("FORB = %x%x%x %x%x%x", + forb_plmn.mcc[0], + forb_plmn.mcc[1], + forb_plmn.mcc[2], + forb_plmn.mnc[0], + forb_plmn.mnc[1], + forb_plmn.mnc[2]); + } +#endif /* #ifndef NTRACE */ +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_set_kc | ++--------------------------------------------------------------------+ + + PURPOSE : + +*/ + +GLOBAL void reg_set_kc (T_SIM_MM_UPDATE_REQ *sim_mm_update_req) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_set_kc ()"); + + sim_mm_update_req->cksn = mm_data->reg.cksn; + memcpy (sim_mm_update_req->kc, mm_data->reg.kc, MAX_KC); + + TRACE_EVENT_P1 ("CKSN = %d", mm_data->reg.cksn); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_set_loc_info | ++--------------------------------------------------------------------+ + + PURPOSE : Set the location information in the SIM_MM_UPDATE_REQ + primitive to the actual values of the MM data structures. + +*/ + +GLOBAL void reg_set_loc_info (T_SIM_MM_UPDATE_REQ *sim_mm_update_req) +{ + GET_INSTANCE_DATA; + ULONG tmsi_binary; + + TRACE_FUNCTION ("reg_set_loc_info ()"); + + sim_mm_update_req->loc_info.c_loc = SIZE_LOC_INFO; + + tmsi_binary = mm_data->reg.tmsi; + + mm_mmgmm_tmsi_ind (tmsi_binary); + + sim_mm_update_req->loc_info.loc[0] = (UBYTE)(tmsi_binary >> 24); + sim_mm_update_req->loc_info.loc[1] = (UBYTE)(tmsi_binary >> 16); + sim_mm_update_req->loc_info.loc[2] = (UBYTE)(tmsi_binary >> 8); + sim_mm_update_req->loc_info.loc[3] = (UBYTE)tmsi_binary; + sim_mm_update_req->loc_info.loc[4] = mm_data->reg.lai.mcc[1] << 4; + sim_mm_update_req->loc_info.loc[4] += mm_data->reg.lai.mcc[0]; + sim_mm_update_req->loc_info.loc[5] = mm_data->reg.lai.mnc[2] << 4; + sim_mm_update_req->loc_info.loc[5] += mm_data->reg.lai.mcc[2]; + sim_mm_update_req->loc_info.loc[6] = mm_data->reg.lai.mnc[1] << 4; + sim_mm_update_req->loc_info.loc[6] += mm_data->reg.lai.mnc[0]; + sim_mm_update_req->loc_info.loc[7] = mm_data->reg.lai.lac >> 8; + sim_mm_update_req->loc_info.loc[8] = mm_data->reg.lai.lac & 0xff; + sim_mm_update_req->loc_info.loc[9] = 0; + sim_mm_update_req->loc_info.loc[10] = mm_data->reg.update_stat; + sim_mm_update_req->cell_identity = mm_data->mm.cid; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_send_sim_read_req | ++--------------------------------------------------------------------+ + + PURPOSE : This functions sends SIM_READ_REQ for the requested field + Currently only used by function reg_read_next_sim_file + +*/ + +LOCAL void reg_send_sim_read_req ( USHORT datafield, + T_path_info *path_info_ptr, + UBYTE act_length, + UBYTE max_length ) +{ + GET_INSTANCE_DATA; + PALLOC (read_req, SIM_READ_REQ); + + TRACE_FUNCTION ("mm_send_sim_read_req()"); + + read_req->source = SRC_MM; + /* req_id can be set to 0 as MM sends a SIM_READ_REQ only + * when it gets the SIM_READ_CNF to the previous request */ + read_req->req_id = 0; + + read_req->offset = 0; + + if(path_info_ptr NEQ NULL) + { + read_req->v_path_info = TRUE; + read_req->path_info = *path_info_ptr; + } + else + { + read_req->v_path_info = FALSE; + } + + mm_data->sim_read_req_data_field = read_req->datafield = datafield; + + read_req->length = act_length; + read_req->max_length = max_length; + PSENDX (SIM, read_req); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_next_sim_file | ++--------------------------------------------------------------------+ + + PURPOSE : This functions requests the next changed, unread SIM file + + RETURN: TRUE if function call caused a pending SIM_READ_CNF + FALSE otherwise + +*/ + +GLOBAL BOOL reg_read_next_sim_file (void) +{ + GET_INSTANCE_DATA; + /* Definition used to determine sizeof() */ + T_SIM_MM_INSERT_IND *insert_ind; + + TRACE_FUNCTION ("reg_read_next_sim_file()"); + + if (mm_data->reg.upd_sim_fplmn EQ SAT_READ_FILE) + { + /* Change of forbidden PLMN indicated */ + + reg_send_sim_read_req (SIM_FPLMN, NULL, NOT_PRESENT_8BIT, sizeof (insert_ind->forb_plmn.forb)); + mm_data->reg.upd_sim_fplmn = SAT_PEND_CNF; + return TRUE; + } + + if (mm_data->reg.upd_sim_hplmn EQ SAT_READ_FILE) + { + /* Change of HPLMN search timer indicated */ + + reg_send_sim_read_req (SIM_HPLMN, NULL, NOT_PRESENT_8BIT, sizeof (insert_ind->hplmn)); + mm_data->reg.upd_sim_hplmn = SAT_PEND_CNF; + return TRUE; + } + + #ifdef REL99 + /*updating status user controlled & operator controlled PLMN selection*/ + + if (mm_data->reg.upd_sim_ucps_at EQ SAT_READ_FILE) + { + /* + * Change of user controlled PLMN selector with access technology list indicated. + * Max length in SIM READ REQ is sent to FF(255 which is a limitation in SIM READ REQ)instead + * of MAX_PREF_PLMN because MM does not know how many PLMN in the EF are supported GSM access + * technology.So MM will try to read as many as possible. + * In future if MM want to read more than 255 byte for the same EF, MM implementation can + * be extented to send more than one SIM READ REQ for same EF. + */ + reg_send_sim_read_req (SIM_UCPS_ACTEC, NULL, (UBYTE)mm_data->reg.sim_ucps_at_len, 0xFF); + mm_data->reg.upd_sim_ucps_at = SAT_PEND_CNF; + return TRUE; + } + + + if (mm_data->reg.upd_sim_ocps_at EQ SAT_READ_FILE) + { + /* + * Read Operator controlled PLMN selector with access technology list. + * Max length in SIM READ REQ is sent to FF(255 which is a limitation in SIM READ REQ)instead + * of MAX_PREF_PLMN because MM does not know how many PLMN in the EF are supported GSM access + * technology.So MM will try to read as much as possible. + * In future if MM want to read more than 255 byte for the same EF, MM implementation can + * be extented to send more than one SIM READ REQ for same EF. + */ + reg_send_sim_read_req (SIM_OCPS_ACTEC, NULL, (UBYTE)mm_data->reg.sim_ocps_at_len, 0xFF); + mm_data->reg.upd_sim_ocps_at = SAT_PEND_CNF; + return TRUE; + } +#endif + + if (mm_data->reg.upd_sim_acc EQ SAT_READ_FILE) + { + /* Change of access class indicated */ + + reg_send_sim_read_req (SIM_ACC,NULL, NOT_PRESENT_8BIT, sizeof (insert_ind->acc_ctrl.acc)); + mm_data->reg.upd_sim_acc = SAT_PEND_CNF; + return TRUE; + } + + if (mm_data->reg.upd_sim_act_hplmn EQ SAT_READ_FILE) + { + /* Change of AHPLMN indicated */ + + reg_send_sim_read_req (SIM_CING_AHPLMN,NULL,NOT_PRESENT_8BIT, sizeof (insert_ind->act_hplmn)); + mm_data->reg.upd_sim_act_hplmn = SAT_PEND_CNF; + return TRUE; + } + if (mm_data->reg.upd_sim_plmnsel EQ SAT_READ_FILE) + { + /* Change of preferred PLMN list indicated */ + /* + * EF PLMNsel will only be used if EFs EFPLMNwAcT & EFOPLMNwAcT are not used. + * mm_data->reg.sim_uocps_at_used will only be true after successful sim read + * cnf for EFs EFPLMNwAcT or EFOPLMNwAcT. + */ +#ifdef REL99 + if(mm_data->reg.sim_uocps_at_used EQ FALSE) + { + reg_send_sim_read_req (SIM_PLMNSEL,NULL, (UBYTE)mm_data->reg.sim_plmnsel_len, MAX_PREF_PLMN); + mm_data->reg.upd_sim_plmnsel = SAT_PEND_CNF; + return TRUE; + } + else + { + /* + * No need to read EF PLMNsel because EFs EFPLMNwAcT and(or) EFOPLMNwAcT are being used. + */ + mm_data->reg.upd_sim_plmnsel = SAT_UNCHANGED; + } +#else + + reg_send_sim_read_req (SIM_PLMNSEL, NULL,(UBYTE)mm_data->reg.sim_plmnsel_len, MAX_PREF_PLMN); + mm_data->reg.upd_sim_plmnsel = SAT_PEND_CNF; + return TRUE; + +#endif + } + return FALSE; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_MM | +| STATE : code ROUTINE : reg_end_of_deregistration | ++--------------------------------------------------------------------+ + + PURPOSE : Indicate or confirm negative registration to MMI/GMM. + The MM restart procedure may be performed. + +*/ + +GLOBAL void reg_end_of_deregistration (UBYTE nreg_cause, UBYTE service) +{ + GET_INSTANCE_DATA; + BOOL mm_restart; + + TRACE_FUNCTION ("reg_end_of_deregistration()"); + + /* Remember the MM restart condition */ + mm_restart = ((mm_data->reg.sim_insert_info NEQ NULL) AND + (mm_data->nreg_cause EQ CS_SIM_REM)); + + if (mm_data->reg.sim_insert_info NEQ NULL) + { + /* Insert the new SIM data and free primive */ + mm_clear_reg_data (); + reg_copy_sim_data (mm_data->reg.sim_insert_info); + PFREE (mm_data->reg.sim_insert_info); + mm_data->reg.sim_insert_info = NULL; + } + + if (mm_restart) + { + /* + * End of MM restart procedure, re-register + */ + if (mm_data->reg.op.m EQ MODE_AUTO) + { + /* + * Register in automatic mode + */ + mm_auto_net_reg (); + } + else + { + /* + * Register in manual mode + */ + mm_data->reg.plmn_cnt = 0; /* Delete list of available PLMNs */ + mm_data->attempt_cnt = 0; + mm_mmr_reg_req (FUNC_PLMN_SRCH); + } + } + else + { + /* + * This was no MM RESTART + */ + if (mm_data->nreg_request) + { + /* + * The deregistration was requested by the MMI + */ + + if (nreg_cause EQ CS_POW_OFF) + { + /* Hard switch off (AT+CFUN=0), delete SIM data physically */ + reg_init (); + + mm_data->limited_cause = MMCS_SIM_REMOVED; /* MMCS_SIM_INVAL_NOSIM */ + } + + mm_mmgmm_nreg_cnf (nreg_cause); + } + else + { + /* + * This was a real SIM remove, the SIM has been pulled + */ + if (service EQ NO_SERVICE) + { + mm_mmgmm_nreg_ind (NREG_NO_SERVICE, + SEARCH_NOT_RUNNING, + FORB_PLMN_NOT_INCLUDED); + } + else + { + mm_mmgmm_nreg_ind (NREG_LIMITED_SERVICE, + SEARCH_NOT_RUNNING, + FORB_PLMN_NOT_INCLUDED); + } + } + } + +#ifdef GPRS + if (mm_data->gprs.sim_physically_removed) + { + mm_data->gprs.sim_physically_removed = FALSE; + + /* Delete registration data */ + reg_init (); + } +#endif /* GPRS */ +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_invalidate_upd_state | ++--------------------------------------------------------------------+ + + PURPOSE : This function invalidates the update state. + +*/ + +#ifdef REL99 +GLOBAL void reg_invalidate_upd_state (UBYTE new_update_state, BOOL tmsi_cksn_kc_not_deleted) +#else +GLOBAL void reg_invalidate_upd_state (UBYTE new_update_state) +#endif +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_invalidate_update_state()"); + + /* No IMSI ATTACH neccessary anymore */ + if (mm_data->first_attach) + { + mm_data->first_attach_mem = mm_data->first_attach; + mm_data->first_attach = FALSE; + } + + /* No periodic update needed anymore, needing normal update now */ + mm_data->t3212_timeout = FALSE; + + /* Set new update state */ + mm_data->reg.update_stat = new_update_state; + +#ifdef REL99 + if(tmsi_cksn_kc_not_deleted EQ TRUE) + { + /*Dont delete LAI CKSN CKSN KC*/ + } + else +#endif + { + /* Delete TMSI */ + mm_data->reg.tmsi = TMSI_INVALID_VALUE; + + /* Delete LAI */ + mm_data->reg.lai.lac = LAC_INVALID_VALUE; + + /* Delete CKSN */ + mm_data->reg.cksn = CKSN_RES; + + /* Delete also KC */ + memset (mm_data->reg.kc, 0xff, MAX_KC); + } + + /* Delete BCCH information */ + memset (mm_data->reg.bcch, 0, SIZE_BCCH); + + /* Update all EFs on SIM */ + mm_data->ef_indicator = 0xFF; + /* Write changed data to SIM */ + reg_build_sim_update (); +/* added by TISH 0418 to write simloci to FFS */ + mm_write_simloci_to_ffs(); + mm_write_imsi_to_ffs(); +/* added by TISH 0418 to write simloci to FFS */ + + /* Check HPLMN timer state */ + reg_check_hplmn_tim (mm_data->reg.thplmn); +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_MM | +| STATE : code ROUTINE : reg_select_network | ++----------------------------------------------------------------------------+ + + PURPOSE : This function starts the network registration for the given PLMN. + +*/ + +GLOBAL void reg_select_network (const T_plmn *plmn) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_select_network()"); + + mm_data->reg.actual_plmn = *plmn; /* Struct copy */ + + if (reg_plmn_empty(plmn)) + { + if (mm_data->reg.update_stat EQ MS_UPDATED) + { + mm_data->reg.actual_plmn.v_plmn = TRUE; + memcpy(mm_data->reg.actual_plmn.mcc, mm_data->reg.lai.mcc, SIZE_MCC); + memcpy(mm_data->reg.actual_plmn.mnc, mm_data->reg.lai.mnc, SIZE_MNC); + } + else + { + /* If PLMN sent is 0xFF (PLMN not present in FFS) and MM Update Status + * is MS_NOT_UPDATED, We send a error message to ACI */ + mm_mmgmm_nreg_ind(NREG_LIMITED_SERVICE, + SEARCH_NOT_RUNNING, + FORB_PLMN_NOT_INCLUDED); + return; + } + } + mm_data->attempt_cnt = 0; + mm_mmr_reg_req (FUNC_PLMN_SRCH); +} + + +/* + ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_best_plmn_in_country | ++----------------------------------------------------------------------------+ + + PURPOSE : This function checks whether the given PLMN is the best PLMN + in the country where the mobile is roaming. + +*/ + +GLOBAL BOOL reg_best_plmn_in_country (const T_plmn *bcch_plmn) +{ + GET_INSTANCE_DATA; + T_plmn hplmn; + USHORT i; + + TRACE_FUNCTION ("reg_best_plmn_in_country()"); + + reg_extract_hplmn (&hplmn); + + /* fix for CT PTCRB- TC_26_7_4_5_4_6. HPLMN timer is not started only if + bcch PLMN and HPLMN belong to same country and both are in equivalent PLMN list. + Detailed analysis present in OMAPS00150594*/ +if (reg_same_country_plmn (bcch_plmn, &hplmn)) + { + + if (reg_plmn_equal_eqv (bcch_plmn, &hplmn)) + return TRUE; /* The PLMN is the HPLMN */ + else + return FALSE; /* National roaming */ +} + /* International roaming: Check the preferred PLMN list */ + for (i = 0; i < MAX_PREF_PLMN_ID; i++) + { + T_plmn pref_plmn; + + reg_unpack_plmn (&pref_plmn, mm_data->reg.pref_plmn, i); + + if (reg_same_country_plmn (bcch_plmn, &pref_plmn)) + return reg_plmn_equal_eqv (bcch_plmn, &pref_plmn); + } + + return TRUE; /* For this country no entry exists */ +} + + +/* + ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_check_hplmn_tim | ++----------------------------------------------------------------------------+ + + PURPOSE : This function checks whether: + - the HPLMN timer has to be started (if not running) with the duration given as input parameter or + - stopped. + Time unit is decihour. +*/ + +GLOBAL void reg_check_hplmn_tim (UBYTE decihours) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_check_hplmn_tim()"); + + /* + * The HPLMN timer has to be started if all the conditions below are + * fulfilled and is not running already. Otherwise, it has to be + * stopped. + * - Registration state is updated + * - MS is roaming on a VPLMN + * - Registration mode is automatic + * - THPLMN Elementary File is not equal to zero + */ + + if (mm_full_service_pplmn_scan()) + { + if (mm_data->reg.op.m EQ M_AUTO AND + mm_data->reg.thplmn NEQ 0 AND + mm_data->reg.update_stat NEQ MS_LA_NOT_ALLOWED AND + !reg_best_plmn_in_country (&mm_data->reg.actual_plmn)) + { + /* + * Period of HPLMN is controlled by EF_HPLMN file of the SIM. + * According to TS 11.11 chapter 10.3.5 : + * 0- no search attempt + * N- search attempts every N*6 min intervals (6 min to 8 hours) + * For phase 1 SIM wehereby this EF is not available, a default + * value of 1 hour shall be used according to TS 22.011 + * chapter 3.2.2.5. In G23 this is managed by SIM entity that + * will force this default value within SIM_INSERT_IND. + */ + if (!TIMERACTIVE(T_HPLMN)) + { + if (mm_data->first_attach_mem) + { + TRACE_EVENT_P1 ("Start initial HPLMN timer: %d min", 2); + TIMERSTART(T_HPLMN, HPLMN_INITIAL_DELAY); + } + else + { + TRACE_EVENT_P1 ("Start HPLMN timer: %d", decihours); + TIMERSTART(T_HPLMN, decihours * 360000); + } + }/* if timeractive*/ + }/*end if mm_data->reg.op.m eq*/ + else + { + reg_stop_hplmn_tim (); + mm_data->first_attach_mem = FALSE; + } + + }/* end if mm_full_service_pplmn,,,*/ + else + { + reg_stop_hplmn_tim(); + } + /* Issue 31179 This timer is started for foreign mcc only for cingular */ + if( mm_data->reg.is_cingular_sim AND !mm_data->first_attach) + { + T_plmn hplmn; + reg_extract_hplmn (&hplmn); + if(!TIMERACTIVE(T_HPLMN)) + { + if(memcmp(&(mm_data->reg.actual_plmn.mcc[0]), &(hplmn.mcc[0]), SIZE_MCC) NEQ 0) + { + TRACE_EVENT_P1 ("Start HPLMN timer: %d", decihours); + TIMERSTART(T_HPLMN, decihours * 360000); + } + } + } + return; +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_stop_hplmn_tim | ++----------------------------------------------------------------------------+ + + PURPOSE : This function stops the HPLMN timer. +*/ + +GLOBAL void reg_stop_hplmn_tim (void) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_stop_hplmn_tim()"); + + TRACE_EVENT("Stop HPLMN timer"); + TIMERSTOP(T_HPLMN); + mm_data->plmn_scan_mm = FALSE; +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_plmn_in_pref_list | ++----------------------------------------------------------------------------+ + + PURPOSE : This function returns TRUE if the PLMN belongs to the + preferred list. +*/ + +GLOBAL BOOL reg_plmn_in_pref_list (const T_plmn *plmn) +{ + GET_INSTANCE_DATA; + USHORT i; + TRACE_FUNCTION ("reg_plmn_in_pref_list()"); + + for (i = 0; i < MAX_PREF_PLMN_ID; i++) + { + T_plmn pref_plmn; + + reg_unpack_plmn (&pref_plmn, mm_data->reg.pref_plmn, i); + if (!reg_plmn_empty (&pref_plmn)) + { + if (reg_plmn_equal_sim (plmn, &pref_plmn)) + return TRUE; + } + } + + return FALSE; +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_same_country_plmn | ++----------------------------------------------------------------------------+ + + PURPOSE : This function returns TRUE if both PLMN belongs to the + same country, handling the special case of NA (several + MCC). +*/ + +GLOBAL BOOL reg_same_country_plmn (const T_plmn *plmn1, + const T_plmn *plmn2) +{ + /* TRACE_FUNCTION ("reg_same_country_plmn()"); */ /* Avoid too much traces */ + + if (reg_plmn_is_NA_plmn(plmn1)) + return (reg_plmn_is_NA_plmn(plmn2)); + else + return (memcmp(&(plmn1->mcc[0]), &(plmn2->mcc[0]), SIZE_MCC) EQ 0); +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_check_plmn_search | ++----------------------------------------------------------------------------+ + + PURPOSE : This function checks whether a better PLMN has been found and, + if so, starts automatic registration on this PLMN. + In case the search has to be aborted for some reason (eg. + MM is not in IDLE mode), the HPLMN search timer is started + using a small value. +*/ + +GLOBAL void reg_check_plmn_search (USHORT cause, + const T_RR_ABORT_IND *rr_abort_ind) +{ + GET_INSTANCE_DATA; + T_plmn plmn; + BOOL success; + + TRACE_FUNCTION ("reg_check_plmn_search()"); + + if (mm_data->plmn_scan_mm) + { + /* + * A MM search was ongoing + */ + switch (cause) + { + case MMCS_PLMN_NOT_IDLE_MODE: + TRACE_EVENT ("PLMN scan aborted"); + + /* + * PLMN scan has been aborted because not compatible with the + * current activity of the MS. Restart timer with a small duration. + * Bufferize / postpone this in a later implementation (Maybe). + */ + reg_check_hplmn_tim (HPLMN_REARM_DELAY); + break; + + case MMCS_SUCCESS: + /* + * First we need to create the list of available PLMNs. We + * are not interested in the ones belonging to a forbidden list + * but we are still interested in the current RPLMN. + * Criteria to start the PLMN selection will be: + * 1) First PLMN in the list (higher priority) is not the RPLMN + * 2) Either it is the HPLMN, + * Or it is an other PLMN, which belongs to the same country + * than the current VPLMN, and it belongs to the preferred + * list ie it has not been inserted here to the randomization + * of the PLMNs whose fieldstrength is higher than -85 dBm. + */ + + reg_create_plmn_list (rr_abort_ind, WITH_RPLMN); + + success = FALSE; + + while (mm_data->reg.plmn_index < mm_data->reg.plmn_cnt) + { + reg_unpack_plmn (&plmn, mm_data->reg.plmn, mm_data->reg.plmn_index); + + if (reg_plmn_equal_sim (&plmn, &mm_data->reg.actual_plmn)) + { + TRACE_EVENT ("VPLMN hit - cancel"); + break; + } + else if (reg_plmn_equal_hplmn (&plmn)) + { + /* fix for TC 26.7.4.5.4.4. Select a PLMN of Same country + and not HPLMN if in International roaming only for Test sim.*/ + if((mm_data->reg.op.ts EQ TS_NO_AVAIL) OR + reg_same_country_plmn (&plmn, &mm_data->reg.actual_plmn)) + { + TRACE_EVENT ("HPLMN found - success"); + success = TRUE; + break; + } + else + { + mm_data->reg.plmn_index++; + continue; + } + + } + else if (!reg_plmn_in_pref_list (&plmn)) + { + TRACE_EVENT ("PPLMN list end - cancel"); + break; + } + else if(mm_data->reg.is_cingular_sim) + { + TRACE_EVENT ("better PLMN from HPLMN list in Cingular - success"); + success = TRUE; + break; + } + else if (reg_same_country_plmn (&plmn, &mm_data->reg.actual_plmn)) + { + TRACE_EVENT ("better PLMN same country - success"); + success = TRUE; + break; + } + else + mm_data->reg.plmn_index++; + } + + if (success) + { + TRACE_EVENT ("PPLMN rescan pass"); + + /* + * An alternate network candidate has been found, so try to camp + * on it. It the registration procedure fails, then the normal automatic + * network selection procedure will apply. + */ + reg_select_network (&plmn); /*lint !e772 conceivably not initialized */ + } + else + { + TRACE_EVENT ("PPLMN rescan failed"); + + /* + * PLMN rescan did not provide any interesting results, + * so restart timer. + */ + reg_check_hplmn_tim (mm_data->reg.thplmn); + } + + /* + * Do not consider the forbidden PLMNs for MM's internal operation + */ + reg_create_plmn_list (rr_abort_ind, WITH_OTHER_PLMNS); + break; + + case MMCS_SIM_REMOVED: + /* + * Not relevant for MM initiated search. + */ + break; + + default: + TRACE_ERROR (UNEXPECTED_DEFAULT); + break; + } + } + + mm_data->plmn_scan_mm = FALSE; + mm_data->plmn_scan_mmi = FALSE; + +} + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_store_eqv_plmns | ++----------------------------------------------------------------------------+ + + PURPOSE : This function checks whether a received equivalent PLMN list + matches an already stored list. If no match then the new + equivalent PLMN list overwrites the currently stored list. +*/ +BOOL reg_store_eqv_plmns(T_eqv_plmn_list *rx_eplmn_list, T_plmn *plmn) +{ + GET_INSTANCE_DATA; + U8 i=0, j=0; + T_plmn local_plmn; + UBYTE local_store[EPLMNLIST_SIZE*UBYTES_PER_PLMN]; + + TRACE_FUNCTION ("reg_store_eqv_plmns()"); + + if (rx_eplmn_list->c_eqv_plmn > EPLMNLIST_SIZE) + { + rx_eplmn_list->c_eqv_plmn = 0; + TRACE_ERROR ("count out of range"); + return FALSE; + } + + for (i=0; i < EPLMNLIST_SIZE - 1; i++) + { + /* Use 0xf as filler for 2 digit MNCs */ + if (rx_eplmn_list->eqv_plmn[i].c_mnc EQ (SIZE_MNC-1)) + rx_eplmn_list->eqv_plmn[i].mnc[SIZE_MNC-1] = 0xf; + } + + /*Convert the new list into a MM-friendly format*/ + reg_pack_plmn(local_store, 0, plmn); + + for(i=0;i<EPLMNLIST_SIZE-1;i++) + { + memcpy(&local_plmn.mcc, &rx_eplmn_list->eqv_plmn[i].mcc, SIZE_MCC); + memcpy(&local_plmn.mnc, &rx_eplmn_list->eqv_plmn[i].mnc, SIZE_MNC); + + reg_pack_plmn(local_store, i+1, &local_plmn); + } + + if(memcmp(local_store, mm_data->reg.eqv_plmns.eqv_plmn_list, EPLMNLIST_SIZE*UBYTES_PER_PLMN)) + { + /* The Equivalent PLMN list has changed */ + + /*Initialise EPLMN storage*/ + memset (&mm_data->reg.eqv_plmns.eqv_plmn_list, 0xFF, EPLMNLIST_SIZE*UBYTES_PER_PLMN); + + /* Store Equivalent PLMNs */ + for(i=0,j=0;i<EPLMNLIST_SIZE;i++) + { + T_plmn new_plmn; + + reg_unpack_plmn(&new_plmn, local_store, i); + + /* Remove any forbidden PLMNs from the new EPLMN list */ + if(!reg_plmn_in_list(mm_data->reg.forb_plmn, MAX_FORB_PLMN_ID, &new_plmn)) + reg_pack_plmn(mm_data->reg.eqv_plmns.eqv_plmn_list, j++, &new_plmn); + } + return(TRUE); + } + return(FALSE); +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_read_acting_hplmn | ++----------------------------------------------------------------------------+ + + PURPOSE : This function copies the AHPLMN value read from the SIM at poweron + or after REFRESH command from network. +*/ +GLOBAL void reg_read_acting_hplmn (const U8 acting_hplmn[]) +{ + GET_INSTANCE_DATA; + mm_data->reg.acting_hplmn.mcc[0] = acting_hplmn[0] &0x0f; + mm_data->reg.acting_hplmn.mcc[1] = acting_hplmn[0] >> 4; + mm_data->reg.acting_hplmn.mcc[2] = acting_hplmn[1] &0x0f; + mm_data->reg.acting_hplmn.mnc[2] = acting_hplmn[1] >>4; + mm_data->reg.acting_hplmn.mnc[0] = acting_hplmn[2] &0x0f; + mm_data->reg.acting_hplmn.mnc[1] = acting_hplmn[2] >>4; +} + + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : valid_acting_hplmn | ++----------------------------------------------------------------------------+ + + PURPOSE : This function checks whether a received AHPLMN has the + same MCC as the True-HPLMN and if yes then checks the + validity of the MNC digits. Thus it checks the validity + of AHPLMN received. +*/ + +BOOL valid_acting_hplmn(T_plmn *acting_hplmn) +{ + GET_INSTANCE_DATA; + T_plmn hplmn; + + UINT temp1=0x0F0F0F; + + /*This will be set to TRUE if AHPLMN is FFFFFF*/ + mm_data->reg.acting_hplmn_invalid = FALSE; + + TRACE_FUNCTION ("valid_acting_hplmn()"); + + /* Extract HPLMN from IMSI and compare MCC of HPLMN and AHPLMN */ + reg_extract_hplmn(&hplmn); + + /* Check If the AHPLMN contains FFFFFF */ + + if (!(memcmp(acting_hplmn->mcc,&temp1,SIZE_MCC) AND + memcmp(acting_hplmn->mnc,&temp1,SIZE_MNC))) + { + mm_data->reg.acting_hplmn.v_plmn = V_PLMN_NOT_PRES; + mm_data->reg.acting_hplmn_invalid = TRUE; + return FALSE; + } + + /* If MCC of HPLMN and AHPLMN differs invalidate AHPLMN */ + if ( memcmp(acting_hplmn->mcc,mm_data->reg.imsi_struct.id,3) ) + { + mm_data->reg.acting_hplmn.v_plmn = V_PLMN_NOT_PRES; + return FALSE; + } + + if (acting_hplmn->mnc[0] EQ 0x0f OR + acting_hplmn->mnc[1] EQ 0x0f ) + { + mm_data->reg.acting_hplmn.v_plmn = V_PLMN_NOT_PRES; + return FALSE; + } + else + { + /* 1. If True HPLMN has only 2 mnc digits ignore 3rd digit of mnc in AHPLMN + even if exists + 2. If True HPLMN has mnc as 3 digits but AHPLMN has only 2 OR if any + of the mnc digits are 0xff,invalidate the AHPLMN + */ + if (mm_data->reg.length_mnc EQ 2 ) + { + acting_hplmn->mnc[2] = 0x0F; + } + else if(acting_hplmn->mnc[2] EQ 0xFF) + { + mm_data->reg.acting_hplmn.v_plmn = V_PLMN_NOT_PRES; + return FALSE; + } + }/* else acting_hplmn->mnc */ + + mm_data->reg.acting_hplmn.v_plmn = V_PLMN_PRES; + return TRUE; + +}/* end of valid_acting_hplmn */ + +/* ++----------------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : reg_pack_plmn_fn..... | ++----------------------------------------------------------------------------+ + + PURPOSE : This function packs a PLMN. +*/ + +LOCAL void reg_pack_plmn_fn (USHORT i, + const T_RR_ABORT_IND *rr_abort_ind) +{ + GET_INSTANCE_DATA; + TRACE_FUNCTION ("reg_pack_plmn_fn()"); + reg_pack_plmn (mm_data->reg.plmn, mm_data->reg.plmn_cnt, + &rr_abort_ind->plmn[i]); + mm_data->reg.plmn_rx[mm_data->reg.plmn_cnt] = rr_abort_ind->rxlevel[i]; + mm_data->reg.plmn_lac[mm_data->reg.plmn_cnt] = rr_abort_ind->lac_list[i]; /* LOL 02.01.2003: added for EONS support */ + mm_data->reg.plmn_cnt++; +}/*reg_pack_plmn_fn*/ + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6147) MODULE : MM_REG | +| STATE : code ROUTINE : check_if_cingular_sim | ++--------------------------------------------------------------------+ + + PURPOSE : This function checks whether inserted sim belong to + Cingular Network.cingular_plmn_list contains the entire mcc and mnc of + Cingular Network. Issue 31179 + +*/ + +GLOBAL void check_if_cingular_sim(void) +{ + GET_INSTANCE_DATA; + USHORT plmn_index; + T_plmn hplmn; + reg_extract_hplmn (&hplmn); + for(plmn_index = 0; plmn_index < MAX_CINGULAR_PLMN; plmn_index++) + { + if(reg_plmn_equal_sim (&hplmn, &cingular_plmn_list[plmn_index])) + { + mm_data->reg.is_cingular_sim = TRUE; + break; + } + } +} +