FreeCalypso > hg > fc-magnetite
diff src/g23m-gprs/llc/llc_uirxp.c @ 183:219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 13 Oct 2016 04:24:13 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/g23m-gprs/llc/llc_uirxp.c Thu Oct 13 04:24:13 2016 +0000 @@ -0,0 +1,143 @@ +/* ++----------------------------------------------------------------------------- +| 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 +| functions to handles the incoming primitives as described in +| the SDL-documentation (UIRX-statemachine) ++----------------------------------------------------------------------------- +*/ + +#ifndef LLC_UIRXP_C +#define LLC_UIRXP_C +#endif + +#define ENTITY_LLC + +/*==== 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 "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_uirxf.h" /* to get queue management prototypes */ +/*==== CONST ================================================================*/ + +/*==== LOCAL VARS ===========================================================*/ + +/*==== PRIVATE FUNCTIONS ====================================================*/ + +/*==== PUBLIC FUNCTIONS =====================================================*/ + + + +/* ++------------------------------------------------------------------------------ +| Function : uirx_ll_getunitdata_req ++------------------------------------------------------------------------------ +| Description : Handles the primitive LL_GETUNITDATA_REQ +| +| Parameters : *ll_getunitdata_req - Ptr to primitive payload +| ++------------------------------------------------------------------------------ +*/ +GLOBAL void uirx_ll_getunitdata_req ( T_LL_GETUNITDATA_REQ *ll_getunitdata_req ) +{ + T_LL_UNITDATA_IND *ll_unitdata_ind; + + TRACE_FUNCTION( "ll_getunitdata_req" ); + + SWITCH_LLC (ll_getunitdata_req->sapi); + + TRACE_1_PARA("s:%d", ll_getunitdata_req->sapi ); + + switch (GET_STATE(UIRX)) + { + case UIRX_TLLI_UNASSIGNED_NOT_READY: + PFREE (ll_getunitdata_req); + SET_STATE (UIRX, UIRX_TLLI_UNASSIGNED_READY); + break; + + case UIRX_ADM_NOT_READY: + PFREE (ll_getunitdata_req); + + /* + * First check, if already a frame is waiting. + */ + if (uirx_queue_retrieve (&ll_unitdata_ind)) + { + /* + * A frame is waiting. Send primitive LL-UNITDATA-IND + * to either SNDCP or GSMS, depending on the SAPI (GMM + * uses now flow control!). + */ + switch (ll_unitdata_ind->sapi) + { + case LL_SAPI_3: + case LL_SAPI_5: + case LL_SAPI_9: + case LL_SAPI_11: + TRACE_3_OUT_PARA("s:%d len:%d c:%d", ll_unitdata_ind->sapi, + BYTELEN(ll_unitdata_ind->sdu.l_buf), + ll_unitdata_ind->cipher); + PSEND (hCommSNDCP, ll_unitdata_ind); + break; + + case LL_SAPI_7: +#ifdef LL_2to1 + TRACE_PRIM_TO("MM"); + TRACE_3_OUT_PARA("s:%d len:%d c:%d", ll_unitdata_ind->sapi, + BYTELEN(ll_unitdata_ind->sdu.l_buf), + ll_unitdata_ind->cipher); + PSEND (hCommMM, ll_unitdata_ind); + break; +#else + TRACE_PRIM_TO("GSMS"); + TRACE_3_OUT_PARA("s:%d len:%d c:%d", ll_unitdata_ind->sapi, + BYTELEN(ll_unitdata_ind->sdu.l_buf), + ll_unitdata_ind->cipher); + PSEND (hCommGSMS, ll_unitdata_ind); + break; +#endif + + default: + PFREE (ll_unitdata_ind); + TRACE_ERROR ("Invalid SAPI value"); + break; + } + } + else + { + /* + * No frame is waiting. Allow straight forwarding + * of the next received frame. + */ + SET_STATE (UIRX, UIRX_ADM_READY); + } + break; + + default: + PFREE (ll_getunitdata_req); + TRACE_ERROR( "LL_GETUNITDATA_REQ unexpected" ); + break; + } + +} /* uirx_ll_getunitdata_req() */