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view src/g23m-gprs/gmm/gmm_txf.c @ 16:84160e9a0383
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author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 07:23:41 +0000 |
parents | fa8dc04885d8 |
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/* +----------------------------------------------------------------------------- | Project : GPRS (8441) | Modul : gmm_txf.c +----------------------------------------------------------------------------- | 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 GMM and implements all | procedures and functions as described in the | SDL-documentation (TX-statemachine) +----------------------------------------------------------------------------- */ #ifndef GMM_TXF_C #define GMM_TXF_C #endif #define ENTITY_GMM /*==== INCLUDES =============================================================*/ #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 "ccdapi.h" /* to get CCD API */ #include "cnf_gmm.h" /* to get cnf-definitions */ #include "mon_gmm.h" /* to get mon-definitions */ #include "prim.h" /* to get the definitions of used SAP and directions */ #include "gmm.h" /* to get the global entity definitions */ #include "gmm_f.h" /* to get the gmm_get_tlli procedure */ #include <string.h> /* to get memset */ /*==== CONST ================================================================*/ /*==== LOCAL VARS ===========================================================*/ /*==== PRIVATE FUNCTIONS ====================================================*/ /*==== PUBLIC FUNCTIONS =====================================================*/ /* +------------------------------------------------------------------------------ | Function : txgmm_init +------------------------------------------------------------------------------ | Description : The function txgmm_init() .... | | Parameters : void | +------------------------------------------------------------------------------ */ GLOBAL void txgmm_init ( void ) { TRACE_FUNCTION( "txgmm_init" ); /* * Initialise service TX with state TX_READY. */ INIT_STATE ( TX, TX_READY ); } /* txgmm_init() */ /* +------------------------------------------------------------------------------ | Function : tx_fill_unitdata_req +------------------------------------------------------------------------------ | Description : This procedure tx_fill_unitdata_req() fills the primitive | ll_unitdata_req with all necessary dafault parameters.except | the SDU | | | Parameters : ll_unitdata_req - the primitive, which has to be filled | | +------------------------------------------------------------------------------ */ GLOBAL void tx_fill_unitdata_req ( T_LL_UNITDATA_REQ *ll_unitdata_req_p, T_TLLI_TYPE tlli_type, BOOL cipher ) { GMM_TRACE_FUNCTION ("tx_fill_unitdata_req"); ll_unitdata_req_p-> sapi = LL_SAPI_1; ll_unitdata_req_p-> tlli = gmm_get_tlli ( tlli_type ); ll_unitdata_req_p-> ll_qos.delay = LL_DELAY_SUB; ll_unitdata_req_p-> ll_qos.peak = LL_PEAK_SUB; ll_unitdata_req_p-> ll_qos.preced = LL_PRECED_SUB; ll_unitdata_req_p-> ll_qos.mean = LL_MEAN_SUB; ll_unitdata_req_p-> cipher = (gmm_data->config.cipher_on?cipher:FALSE); /* * all GMM (and SM) messages are transmitted in RLC/MAC acknowledged mode */ ll_unitdata_req_p-> ll_qos.relclass = LL_RLC_PROT; /* * all GMM messages have highest priority (!!!!! what about SM?) */ ll_unitdata_req_p-> radio_prio = LL_RADIO_PRIO_1; ll_unitdata_req_p->ll_qos.reserved_1 = 0xff; ll_unitdata_req_p->ll_qos.reserved_2 = 0xff; ll_unitdata_req_p->ll_qos.reserved_3 = 0xff; ll_unitdata_req_p->reserved_unitdata_req1.ref_npdu_num = 0xffff; ll_unitdata_req_p->reserved_unitdata_req1.ref_nsapi = 0xff; ll_unitdata_req_p->reserved_unitdata_req1.ref_seg_num = 0xff; ll_unitdata_req_p->reserved_unitdata_req4 = 0xffffffff; #ifdef REL99 /* * This change is related to R99. */ ll_unitdata_req_p->pkt_flow_id = 0xffff; /* TCS 4.0 */ #else ll_unitdata_req_p->reserved_unitdata_req5 = 0xffff; #endif ll_unitdata_req_p->seg_pos = 0xff; ll_unitdata_req_p->attached_counter= 0x00; GMM_RETURN; } /* +------------------------------------------------------------------------------ | Function : tx_unitdata_req +------------------------------------------------------------------------------ | Description : This procedure tx_unitdata_req() fills the primitive | ll_unitdata_req with all necessary parameters.and sends | the message to LLC | | | Parameters : tlli_type - local, foreign or random | | +------------------------------------------------------------------------------ */ GLOBAL void tx_unitdata_req ( T_TLLI_TYPE tlli_type, UBYTE msg_type ) { U8 *payload; #ifndef GMM_TCS4 U16 length; #endif GMM_TRACE_FUNCTION( "tx_unitdata_req" ); _decodedMsg[0] = msg_type; /* * send the message to LLC */ { USHORT bit_size = bit_size_message_table[msg_type] + LLC_SDU_OFFSET_BITS; PALLOC_SDU ( ll_unitdata_req_p, LL_UNITDATA_REQ, bit_size ); ll_unitdata_req_p->sdu.o_buf = LLC_SDU_OFFSET_BITS; /* * l_buf has to be set to inform CCD how many bit must be reset */ ll_unitdata_req_p->sdu.l_buf = bit_size_message_table[msg_type]; /* * fills the primitive with all necessary data */ if ( gmm_data->cipher ) { switch ( _decodedMsg [0] ) { case ATTACH_REQUEST: case ATTACH_REJECT: case AUTHENTICATION_AND_CIPHERING_REQUEST: case AUTHENTICATION_AND_CIPHERING_RESPONSE: case AUTHENTICATION_AND_CIPHERING_REJECT: case IDENTITY_RESPONSE: case ROUTING_AREA_UPDATE_REQUEST: /* * <R.GMM.CIPHMSG.M.001> */ tx_fill_unitdata_req ( ll_unitdata_req_p, tlli_type, LL_CIPHER_OFF ); break; default: tx_fill_unitdata_req ( ll_unitdata_req_p, tlli_type, LL_CIPHER_ON ); break; } } else { tx_fill_unitdata_req ( ll_unitdata_req_p, tlli_type, LL_CIPHER_OFF ); } if ( ccd_codeMsg ( CCDENT_GMM, UPLINK, (T_MSGBUF *) &ll_unitdata_req_p->sdu, _decodedMsg, NOT_PRESENT_8BIT) != ccdOK ) { /* * Error Handling */ TRACE_ERROR( "CCD_ERROR: Error Handling for ccd-output not yet supported" ) ; PFREE ( ll_unitdata_req_p ); } else { /* * Set the Protocol discriminator to PD_GMM, defined in GSM 4.0.8 * Set the Skip indicater to 0 */ ccd_codeByte (ll_unitdata_req_p->sdu.buf, (USHORT)(ll_unitdata_req_p->sdu.o_buf - 8), 8, PD_GMM); ll_unitdata_req_p->sdu.l_buf += 8; ll_unitdata_req_p->sdu.o_buf -= 8; #ifndef NTRACE payload = &(ll_unitdata_req_p->sdu.buf[0]); /* beginning of buffer */ payload += (ll_unitdata_req_p->sdu.o_buf) >> 3; /* plus offset (bytes) */ #ifndef GMM_TCS4 length = (ll_unitdata_req_p->sdu.l_buf) >> 3; /* length (bytes, bits / 8) */ #endif switch ( _decodedMsg [0] ) { case ATTACH_REQUEST: TRACE_0_OUT_PARA ( "ATTACH_REQ" ); #ifndef GMM_TCS4 TRACE_BINDUMP( GMM_handle, TC_USER4, "ATTACH REQUEST", payload, length); #endif break; case ATTACH_COMPLETE: TRACE_0_OUT_PARA ( "ATTACH_COMPLETE" ); break; case U_DETACH_REQUEST: TRACE_0_OUT_PARA ( "DETACH_REQ" ); break; case U_DETACH_ACCEPT: TRACE_0_OUT_PARA ( "DETACH_ACC" ); break; case ROUTING_AREA_UPDATE_REQUEST: TRACE_0_OUT_PARA ( "RAU_REQ" ); #ifndef GMM_TCS4 TRACE_BINDUMP( GMM_handle, TC_USER4, "ROUTING AREA UPDATE REQUEST", payload, length); #endif break; case ROUTING_AREA_UPDATE_COMPLETE: TRACE_0_OUT_PARA ( "RAU_COMPLETE" ); break; case P_TMSI_REALLOCATION_COMPLETE: TRACE_0_OUT_PARA ( "PTMSI_REALLOC_COMPLETE" ); break; case AUTHENTICATION_AND_CIPHERING_RESPONSE: TRACE_0_OUT_PARA ( "A&C_RES" ); break; case IDENTITY_RESPONSE: TRACE_0_OUT_PARA ( "ID_RES"); break; case GMM_STATUS: TRACE_0_OUT_PARA ( "GMM_STATUS"); break; /* wrong direction: */ case ATTACH_ACCEPT: TRACE_ERROR ( "ATTACH_ACC not uplink direction"); break; case ATTACH_REJECT: TRACE_ERROR ( "ATTACH_REJECT not uplink direction"); break; case ROUTING_AREA_UPDATE_ACCEPT: TRACE_ERROR ( "ROUTING_AREA_UPDATE_ACCEPT not uplink direction"); break; case ROUTING_AREA_UPDATE_REJECT: TRACE_ERROR ( "ROUTING_AREA_UPDATE_REJECT not uplink direction"); break; case P_TMSI_REALLOCATION_COMMAND: TRACE_ERROR ( "PTMSI_REALLOC_CMD not uplink direction"); break; case AUTHENTICATION_AND_CIPHERING_REQUEST: TRACE_ERROR ( "A&C_REQ not uplink direction"); break; case AUTHENTICATION_AND_CIPHERING_REJECT: TRACE_ERROR ( "A&C_REJ not uplink direction"); break; case IDENTITY_REQUEST: TRACE_ERROR ( "ID_REQ not uplink direction"); break; case GMM_INFORMATION: TRACE_ERROR ( "GMM_INFO not uplink direction"); break; default: TRACE_ERROR ("Unknown GMM PDU"); break; } #endif /* _SIMULATION_ */ PSEND ( hCommLLC, ll_unitdata_req_p); } } GMM_RETURN; } /* tx_fill_unitdata_req() */