FreeCalypso > hg > fc-magnetite
view src/g23m-gprs/llc/llc_llmef.c @ 366:042be096c669
configs/2092: FCHG enabled
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 31 Dec 2017 23:57:20 +0000 |
parents | 219afcfc6250 |
children |
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/* +----------------------------------------------------------------------------- | Project : | Modul : +----------------------------------------------------------------------------- | 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 is part of the entity LLC and implements all | procedures and functions as described in the | SDL-documentation (LLME-statemachine) +----------------------------------------------------------------------------- */ #ifndef LLC_LLMEF_C #define LLC_LLMEF_C #endif #define ENTITY_LLC /*==== INCLUDES =============================================================*/ #include <string.h> /* to get memcpy() */ #include "typedefs.h" /* to get Condat data types */ #include "vsi.h" /* to get a lot of macros */ #include "macdef.h" #include "gprs.h" #include "gsm.h" /* to get a lot of macros */ #include "cnf_llc.h" /* to get cnf-definitions */ #include "mon_llc.h" /* to get mon-definitions */ #include "prim.h" /* to get the definitions of used SAP and directions */ #include "llc.h" /* to get the global entity definitions */ #include "llc_par.h" /* to get the default values of the LLC paramters */ /*==== CONST ================================================================*/ /*==== LOCAL VARS ===========================================================*/ /*==== PRIVATE FUNCTIONS ====================================================*/ /*==== PUBLIC FUNCTIONS =====================================================*/ /* +------------------------------------------------------------------------------ | Function : llme_init +------------------------------------------------------------------------------ | Description : This procedure initialises all necessary variables of llme for | all SAPIs. | Also global variables are initialised that relate not to a | specific service (e.g. tlli_new/tlli_old). | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void llme_init (void) { int n; TRACE_FUNCTION( "llme_init" ); /* * Initialise service LLME with state TLLI_UNASSIGNED. */ INIT_STATE (LLME, LLME_TLLI_UNASSIGNED); /* * Initialise global variables. */ llc_data->suspended = FALSE; llc_data->grlc_suspended = FALSE; #ifdef LL_2to1 llc_data->tlli_new = PS_TLLI_INVALID; llc_data->tlli_old = PS_TLLI_INVALID; #else llc_data->tlli_new = LL_TLLI_INVALID; llc_data->tlli_old = LL_TLLI_INVALID; #endif llc_data->ciphering_algorithm = LLGMM_CIPHER_NO_ALGORITHM; #ifdef LL_2to1 memset (&(llc_data->kc), 0, sizeof(T_LLGMM_llgmm_kc)); #else memset (&(llc_data->kc), 0, sizeof(T_llgmm_kc)); #endif /* init current values */ #ifdef REL99 llc_data->cur_pfi = LL_PFI_SIGNALING; #endif llc_data->cur_qos.delay = LL_DELAY_SUB; llc_data->cur_qos.relclass = LL_NO_REL; llc_data->cur_qos.peak = LL_PEAK_SUB; llc_data->cur_qos.preced = LL_PRECED_SUB; llc_data->cur_qos.mean = LL_MEAN_SUB; llc_data->cur_radio_prio = LL_RADIO_PRIO_1; /* * Initialise all the global SAPI data, which is * not related to only one service */ for (n=0; n < MAX_SAPI_INC; n++) { SWITCH_SERVICE (llc, sapi, n); llc_data->sapi->vur = 0; llc_data->sapi->va = 0; llc_data->sapi->vs = 0; llc_data->sapi->vr = 0; llc_data->sapi->oc_ui_tx = 0L; llc_data->sapi->oc_ui_rx = 0L; llc_data->sapi->oc_i_tx = 0L; llc_data->sapi->oc_i_rx = 0L; llc_data->sapi->pbit_outstanding = FALSE; } return; } /* llme_init() */ /* +------------------------------------------------------------------------------ | Function : llme_init_cipher +------------------------------------------------------------------------------ | Description : This procedure initialises the global LLC variables llc_kc | (ciphering key Kc) and llc_ciphering_algorithm (ciphering | algorithm). If ciphering_algorithm is LLGMM_CIPH_NA, the | parameters are ignored and the procedure doesn't change | anything. The procedures cipher_ll_pdu (service send_pdu) | and decipher_ll_pdu (service receive_pdu) use the global | variables for ciphering and deciphering. | | Parameters : kc - ciphering key | ciphering_algorithm - ciphering algorithm | +------------------------------------------------------------------------------ */ #ifdef LL_2to1 GLOBAL void llme_init_cipher (T_LLGMM_llgmm_kc kc, UBYTE ciphering_algorithm) #else GLOBAL void llme_init_cipher (T_llgmm_kc kc, UBYTE ciphering_algorithm) #endif { TRACE_FUNCTION( "llme_init_cipher" ); if (ciphering_algorithm != LLGMM_CIPHER_NA) { switch (ciphering_algorithm) { case LLGMM_CIPHER_NO_ALGORITHM: TRACE_0_INFO("No cipher algorithm used!"); break; case LLGMM_CIPHER_GPRS_A5_1: TRACE_0_INFO("Cipher algorithm GEA/1 used!"); break; case LLGMM_CIPHER_GPRS_A5_2: TRACE_0_INFO("Cipher algorithm GEA/2 used!"); break; default: TRACE_ERROR("Unknown Cipher algorithm used!"); break; } /* * Set IOV default values, if kc is changed to a different value */ #ifdef LL_2to1 if ( memcmp (&(llc_data->kc), &kc, sizeof(T_LLGMM_llgmm_kc)) ) #else if ( memcmp (&(llc_data->kc), &kc, sizeof(T_llgmm_kc)) ) #endif { TRACE_0_INFO( "kc changed" ); #ifdef LL_2to1 memcpy (&(llc_data->kc), &kc, sizeof(T_LLGMM_llgmm_kc)); #else memcpy (&(llc_data->kc), &kc, sizeof(T_llgmm_kc)); #endif /* * Apply the default value of IOV-UI in case no negotiation * is started by the SGSN. * <R.LLC.LLC_PAR.A.016> */ llc_data->iov_ui = LLC_IOV_UI_ALL_SAPIS; /* * Apply the default value of IOV-I in case no negotiation * is started by the SGSN. * <R.LLC.LLC_PAR.A.018> */ #ifdef LL_2to1 llc_data->iov_i_base[IMAP(PS_SAPI_3)] = LLC_IOV_I_SAPI_3; llc_data->iov_i_base[IMAP(PS_SAPI_5)] = LLC_IOV_I_SAPI_5; llc_data->iov_i_base[IMAP(PS_SAPI_9)] = LLC_IOV_I_SAPI_9; llc_data->iov_i_base[IMAP(PS_SAPI_11)] = LLC_IOV_I_SAPI_11; #else llc_data->iov_i_base[IMAP(LL_SAPI_3)] = LLC_IOV_I_SAPI_3; llc_data->iov_i_base[IMAP(LL_SAPI_5)] = LLC_IOV_I_SAPI_5; llc_data->iov_i_base[IMAP(LL_SAPI_9)] = LLC_IOV_I_SAPI_9; llc_data->iov_i_base[IMAP(LL_SAPI_11)] = LLC_IOV_I_SAPI_11; #endif } /* * Set new ciphering algorithm */ llc_data->ciphering_algorithm = ciphering_algorithm; } else { TRACE_0_INFO("Cipher algorithm not changed"); } return; } /* llme_init_cipher() */