FreeCalypso > hg > fc-magnetite
view src/g23m-fad/l2r/tra_dnf.c @ 378:aee911923299
components/*: support for c11x target
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 13 Jan 2018 18:21:16 +0000 |
parents | 90eb61ecd093 |
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/* +----------------------------------------------------------------------------- | Project : CSD (8411) | Modul : tra_dnf.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 defines the procedures and functions for TRA +----------------------------------------------------------------------------- */ #ifndef TRA_DNF_C #define TRA_DNF_C #endif #define ENTITY_L2R /*==== INCLUDES ===================================================*/ #include <string.h> #include "typedefs.h" #include "pconst.cdg" #include "vsi.h" #include "macdef.h" #include "custom.h" #include "gsm.h" #include "prim.h" #include "pei.h" #include "tok.h" #include "dti.h" #include "cl_ribu.h" #include "tra_pei.h" #include "tra.h" /*==== CONST =======================================================*/ /*==== TYPES =======================================================*/ /*==== VAR EXPORT ==================================================*/ /*==== VAR LOCAL ===================================================*/ /*==== FUNCTIONS ===================================================*/ /* +------------------------------------------------------------------------------ | Function : dl_init +------------------------------------------------------------------------------ | Description : initialise the l2r data for the downlink process | | Parameters : T_TRA_DN *ddl | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void dl_init(T_TRA_DN *ddl) { TRACE_FUNCTION ("dl_init()"); ddl->sa = FL_INACTIVE; ddl->sb = FL_INACTIVE; ddl->x = FL_INACTIVE; ddl->prim = NULL; /* meaning: no DTI2_DATA_IND allocated yet */ ddl->Brk_dti_data_ind = NULL; SET_STATE (DN, DN_INACTIVE); } /* +------------------------------------------------------------------------------ | Function : dl_send_data_ind +------------------------------------------------------------------------------ | Description : This procedure copies data from the downlink ring buffer | into a a dti_data_ind primitive and sends this primitive | to the upper layer. | (Just the SDU data are copied into the ring buffer by RA!) | Parameters : - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL BOOL dl_send_data_ind(void) { T_TRA_DN *ddl = &tra_data->dn; TRACE_FUNCTION ("dl_send_data_ind()"); if (ddl->prim NEQ NULL) /* check for existing dti_data_ind */ { ddl->prim->parameters.st_lines.st_line_sa = ddl->sa; ddl->prim->parameters.st_lines.st_line_sb = ddl->sb; ddl->prim->parameters.st_lines.st_flow = ddl->x; ddl->prim->parameters.st_lines.st_break_len = DTI_BREAK_OFF; ddl->prim->parameters.p_id = DTI_PID_UOS; ddl->prim->link_id = 0; /* dummy init */ dti_send_data (l2r_hDTI, TRA_DTI_UP_INSTANCE, TRA_DTI_UP_INTERFACE, TRA_DTI_UP_CHANNEL, ddl->prim); ddl->prim = NULL; return TRUE; } else { TRACE_EVENT("no prim to send"); } return FALSE; } /* +------------------------------------------------------------------------------ | Function : dl_prep_data_ind +------------------------------------------------------------------------------ | Description : This procedure appends data from the downlink ring buffer | to a already allocated dti_data_ind primitive | | Parameters : - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void dl_prep_data_ind(T_FD *pFD) { T_desc2* desc; /* block to be copied to */ T_desc2* p_desc; /* prim to be copied to */ T_TRA_DN *ddl = &tra_data->dn; TRACE_FUNCTION ("dl_prep_data_ind()"); if (ddl->prim EQ NULL) /* check for existing dti_data_ind */ { PALLOC (dti_data_ind, DTI2_DATA_IND); /* start new prim */ ddl->prim = dti_data_ind; ddl->prim->desc_list2.list_len = 0; MALLOC (desc, TRA_DTI_BUF_SIZE); /* contains header bytes, too! */ dti_data_ind->desc_list2.first =(ULONG) desc; p_desc = (T_desc2 *) dti_data_ind->desc_list2.first; p_desc->len = 0; p_desc->size = 0; p_desc->offset = 0; p_desc->next = 0; ddl->list_end = desc; /* set flag for next entrance without sending */ } else { p_desc = ddl->list_end; /* append to remembered list end */ } if (!pFD) /* status bits changed; no data received */ { return; } if ((TRA_DTI_BUF_SIZE - p_desc->len - sizeof(T_desc2) + 1) >= MAX_SDU_SIZE) { memcpy(&p_desc->buffer[p_desc->len], pFD->buf, pFD->len); /* copy data from ring buffer */ } else /* start new block */ { MALLOC (desc, (USHORT)TRA_DTI_BUF_SIZE); p_desc->next = (ULONG) desc; /* Initialize the new block's fields to zero */ p_desc = (T_desc2 *)p_desc->next; p_desc->len = 0; p_desc->next = 0; p_desc->size = 0; p_desc->offset = 0; /* temporary solution */ memcpy(&p_desc->buffer[p_desc->len], pFD->buf, pFD->len); /* copy data from ring buffer */ ddl->list_end = p_desc; /* write back start of last list */ } p_desc->len += pFD->len; p_desc->size = p_desc->len; ddl->prim->desc_list2.list_len += pFD->len; } /* +------------------------------------------------------------------------------ | Function : rbm_init +------------------------------------------------------------------------------ | Description : | | Parameters : | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_init(T_TRA_DN *ddl) { TRACE_FUNCTION ("rbm_init()"); cl_ribu_create(&tra_data->dn.ribu, MAX_SDU_SIZE, TRA_DLR_DEPTH); } /* +------------------------------------------------------------------------------ | Function : tra_get_next_FrameDesc +------------------------------------------------------------------------------ | Description : This function is called from the RA. | It returns the frame descriptor for that buffer, | which the RA has to write in the received frame. | | WRAPPER: Get frame descriptor for Layer 1 (TI) | Parameters : - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL T_FD *tra_get_next_FrameDesc(void) { return (cl_ribu_get_new_frame_desc(tra_data->dn.ribu)); }