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view src/g23m-gsm/dl/dl_drr.c @ 390:56f5db12a125
configure.sh: new CHIPSET, DSP, RF and DSP-derived settings
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 17 Jan 2018 20:10:32 +0000 |
parents | 27a4235405c6 |
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/* +----------------------------------------------------------------------------- | Project : GSM-PS | Modul : DL_DRR +----------------------------------------------------------------------------- | 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 distributing | all primitives of the upper layers. +----------------------------------------------------------------------------- */ #ifndef DL_DRR_C #define DL_DRR_C #define ENTITY_DL /*==== INCLUDES ===================================================*/ #include "typedefs.h" #include <string.h> #include "vsi.h" #include "pconst.cdg" #include "custom.h" #include "gsm.h" #include "mon_dl.h" #include "prim.h" #include "pei.h" #include "tok.h" #include "ccdapi.h" #include "dl.h" #include "dl_em.h" #include "dl_trc.h" /*==== EXPORT =====================================================*/ /*==== PRIVAT =====================================================*/ /*==== VARIABLES ==================================================*/ /*==== FUNCTIONS ==================================================*/ /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_establish_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_ESTABLISH_REQ primitive. */ GLOBAL void drr_dl_establish_req (T_DL_ESTABLISH_REQ * est_req) { BOOL fRelease; BOOL fInfoAvailable; GET_INSTANCE_DATA; TRACE_FUNCTION ("drr_dl_establish_req()"); if (est_req) { fRelease = FALSE; fInfoAvailable = (est_req->sdu.l_buf NEQ 0); TRACE_EVENT_WIN_P3 ("DL_ESTABLISH_REQ ch=%u SAPI=%u fInfoAvailable=%d", est_req->ch_type, est_req->sapi, fInfoAvailable); switch (est_req->ch_type) { case L2_CHANNEL_FACCH_F: case L2_CHANNEL_FACCH_H: if ((est_req->sapi EQ 0)/* AND (fInfoAvailable)*/) { dcch0_establish_req (est_req); } else fRelease = TRUE; break; case L2_CHANNEL_SACCH: if ((dl_data->RR_dedicated) AND (est_req->sapi EQ 3) AND (!fInfoAvailable)) { dcch3_establish_req (est_req); } else fRelease = TRUE; break; case L2_CHANNEL_SDCCH: if ((est_req->sapi EQ 0)/* AND (fInfoAvailable)*/) { dcch0_establish_req (est_req); } else if ((est_req->sapi EQ 3) AND (!fInfoAvailable)) { dcch3_establish_req (est_req); } else fRelease = TRUE; break; default: fRelease = TRUE; break; }/* endswitch */ if (fRelease) { PREUSE (est_req, rel_ind, DL_RELEASE_IND); #ifndef DL_2TO1 rel_ind->cs = NOT_PRESENT_8BIT; #else rel_ind->ps_cause.ctrl_value = CAUSE_is_from_dl; rel_ind->ps_cause.value.dl_cause = NOT_PRESENT_8BIT; #endif /*DL_2TO1*/ PSENDX (RR, rel_ind); } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_establish_ind | +--------------------------------------------------------------------+ PURPOSE : Send of a DL_ESTABLISH_IND primitive. */ GLOBAL void drr_dl_establish_ind (UBYTE ch_type, UBYTE sapi, UBYTE indication) { GET_INSTANCE_DATA; #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_dl_establish_ind (ch_type, sapi, indication); return; } else #endif /* INVOKE_SIGNAL */ { PALLOC (est_ind, DL_ESTABLISH_IND); TRACE_FUNCTION ("drr_dl_establish_ind()"); est_ind->ch_type = ch_type; est_ind->sapi = sapi; est_ind->indication = indication; PSENDX (RR, est_ind); } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_resume_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_RESUME_REQ primitive. */ GLOBAL void drr_dl_resume_req (T_DL_RESUME_REQ * resume_req) { TRACE_FUNCTION ("drr_dl_resume_req()"); if (resume_req) { switch (resume_req->ch_type) { case L2_CHANNEL_FACCH_F: case L2_CHANNEL_FACCH_H: case L2_CHANNEL_SDCCH: dcch0_resume_req (resume_req); break; default: COM_FREE_POINTER (resume_req); break; } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_reconnect_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_RECONNECT_REQ primitive. */ GLOBAL void drr_dl_reconnect_req (T_DL_RECONNECT_REQ * reconnect_req) { TRACE_FUNCTION ("drr_dl_reconnect_req()"); if (reconnect_req) { switch (reconnect_req->ch_type) { case L2_CHANNEL_FACCH_F: case L2_CHANNEL_FACCH_H: case L2_CHANNEL_SDCCH: dcch0_reconnect_req (reconnect_req); break; default: COM_FREE_POINTER (reconnect_req); break; } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_release_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_RELEASE_REQ primitive. */ GLOBAL void drr_dl_release_req (T_DL_RELEASE_REQ * release_req) { TRACE_FUNCTION ("drr_dl_release_req()"); if (release_req) { BOOL bFree = TRUE; #if !defined(LATE_LEAVING_DEDICATED) com_leave_dedicated (release_req->ch_type); #endif /* LATE_LEAVING_DEDICATED */ switch (release_req->ch_type) { case L2_CHANNEL_FACCH_F: case L2_CHANNEL_FACCH_H: case L2_CHANNEL_SDCCH: case L2_CHANNEL_SACCH: DL_OFFLINE_TRACE (TRACE_DL_EVENT, release_req->sapi EQ PS_SAPI_0 ? C_DCCH0 : C_DCCH3, release_req->ch_type, "Release Req"); if (release_req->sapi EQ PS_SAPI_0) { bFree = dcch0_release_req (release_req); } else if (release_req->sapi EQ PS_SAPI_3) { bFree = dcch3_release_req (release_req); } break; default: DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, release_req->ch_type, "Release Req"); break; } if (bFree) { COM_FREE_POINTER (release_req); } } } #ifndef DL_2TO1 /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_mdl_release_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a MDL_RELEASE_REQ primitive. */ GLOBAL void drr_mdl_release_req (T_MDL_RELEASE_REQ * release_req) { TRACE_FUNCTION ("drr_mdl_release_req()"); if (release_req) { switch (release_req->sapi) { case DL_SAPI_0: dcch0_mdl_release_req (); break; case DL_SAPI_3: dcch3_mdl_release_req (); break; default: break; } } COM_FREE_POINTER (release_req); } #endif /* DL_2TO1*/ /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_suspend_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_SUSPEND_REQ primitive. */ GLOBAL void drr_dl_suspend_req (T_DL_SUSPEND_REQ * suspend_req) { TRACE_FUNCTION ("drr_dl_suspend_req()"); if (suspend_req) { switch (suspend_req->ch_type) { case L2_CHANNEL_FACCH_F: case L2_CHANNEL_FACCH_H: case L2_CHANNEL_SDCCH: dcch0_suspend_req (suspend_req); break; default: COM_FREE_POINTER (suspend_req); break; } DL_EM_LINK_SUSPENDED; } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_data_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_DATA_REQ primitive. */ GLOBAL void drr_dl_data_req (T_DL_DATA_REQ * data_req) { TRACE_FUNCTION ("drr_dl_data_req()"); if (data_req) { switch (data_req->ch_type) { case L2_CHANNEL_FACCH_F: case L2_CHANNEL_FACCH_H: case L2_CHANNEL_SDCCH: case L2_CHANNEL_SACCH: if (data_req->sapi EQ 3) { dcch3_data_req (data_req); } else { dcch0_data_req (data_req); } break; default: COM_FREE_POINTER (data_req); break; } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_data_ind | +--------------------------------------------------------------------+ PURPOSE : Send of a DL_DATA_IND primitive. */ GLOBAL void drr_dl_data_ind (UBYTE sapi, ULONG fn) { GET_INSTANCE_DATA; TRACE_EVENT_WIN_P2 ("drr_dl_data_ind(,SAPI=%u): in_msg=%08x", sapi, (sapi EQ PS_SAPI_0) ? dl_data->dcch0_in_msg : dl_data->dcch3_in_msg); com_l3trace (TRACE_DOWNLINK, sapi, (UBYTE *)((sapi EQ PS_SAPI_0) ? dl_data->dcch0_in_msg : dl_data->dcch3_in_msg)); TRACE_FUNCTION ("drr_dl_data_ind()"); if (fn EQ NOT_PRESENT_32BIT) fn = dl_data->fn; if (sapi EQ PS_SAPI_0) { if (dl_data->dcch0_in_msg) { dl_data->dcch0_in_msg->fn = fn; PSENDX (RR, dl_data->dcch0_in_msg); dl_data->dcch0_in_msg = NULL; } else { TRACE_EVENT_WIN ("dcch0_in_msg = NULL"); } } else { if (dl_data->dcch3_in_msg) { dl_data->dcch3_in_msg->fn = fn; PSENDX (RR, dl_data->dcch3_in_msg); dl_data->dcch3_in_msg = NULL; } else { TRACE_EVENT_WIN ("dcch3_in_msg = NULL"); } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_data_ind | +--------------------------------------------------------------------+ PURPOSE : Indicates the acknowledgement of an uplinked message by a DL_DATA_CNF primitive (only if it have been requested by L3). */ GLOBAL void drr_dl_data_cnf (UBYTE sapi) { GET_INSTANCE_DATA; #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_dl_data_cnf (sapi); return; } else #endif /* INVOKE_SIGNAL */ { PALLOC (dl_data_cnf, DL_DATA_CNF); T_QUEUE * queue; TRACE_FUNCTION ("drr_dl_data_cnf()"); if (sapi EQ PS_SAPI_0) { queue = &dl_data->dcch0_queue; } else { queue = &dl_data->dcch3_queue; } dl_data_cnf->ch_type = queue->sending_buffer->ch_type; dl_data_cnf->sapi = queue->sending_buffer->sapi; dl_data_cnf->cnf = queue->sending_buffer->cnf; PSENDX (RR, dl_data_cnf); COM_FREE_QUEUE_BUFFER (queue, INDEX_SENDING_BUFFER); } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_unitdata_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_UNITDATA_REQ primitive. */ GLOBAL void drr_dl_unitdata_req (T_DL_UNITDATA_REQ * unitdata_req) { TRACE_FUNCTION ("drr_dl_unitdata_req()"); if (unitdata_req) { GET_INSTANCE_DATA; /*lint -e420 (Warning -- Apparent access beyond array) */ memcpy (&dl_data->sacch_act_buffer, &unitdata_req->sdu, sizeof (T_FRAME)); /*lint +e420 (Warning -- Apparent access beyond array) */ dl_data->sacch_mode = 0; COM_FREE_POINTER (unitdata_req); } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_unitdata_ind | +--------------------------------------------------------------------+ PURPOSE : Send of a DL_UNITDATA_IND primitive. */ GLOBAL void drr_dl_unitdata_ind (UBYTE error_flag, UBYTE * layer1head, UBYTE * layer3msg, UBYTE length, ULONG fn) { GET_INSTANCE_DATA; #define UNITDATA_OFFSET 1 #if 0 /* happens in primitive context only */ #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_dl_unitdata_ind (dl_data, error_flag, layer1head, layer3msg, length, fn); return; } #endif /* INVOKE_SIGNAL */ #endif /* 0 */ TRACE_FUNCTION ("drr_dl_unitdata_ind()"); /* limit length of UI frame, because they could be invalid */ if (length > DL_N201_SACCH_A_B) length = DL_N201_SACCH_A_B; if ((layer3msg AND length) OR (error_flag NEQ VALID_BLOCK)) { PALLOC_SDU (unitdata_ind, DL_UNITDATA_IND, (USHORT)(((USHORT)length + UNITDATA_OFFSET) * BITS_PER_BYTE)); unitdata_ind->error_flag = error_flag; unitdata_ind->pwr_lev = layer1head[0]; unitdata_ind->ta = layer1head[1]; unitdata_ind->sdu.o_buf = UNITDATA_OFFSET * BITS_PER_BYTE; unitdata_ind->sdu.l_buf = length * BITS_PER_BYTE; memset (&unitdata_ind->sdu.buf[0], 0, UNITDATA_OFFSET); #ifdef DL_2TO1 /* build a pseudo length octet (for check in RR rr_msg_accept_sacch_normal) */ unitdata_ind->sdu.buf[UNITDATA_OFFSET-1] = (length << 2) | 0x01; #endif /* DL_2TO1 */ if (error_flag EQ VALID_BLOCK) /*lint -e668 (Warning -- Possibly passing a null pointer) */ /*lint -e669 (Warning -- Possible data overrun) */ memcpy (&unitdata_ind->sdu.buf[UNITDATA_OFFSET], layer3msg, length); /*lint +e669 (Warning -- Possible data overrun) */ /*lint +e668 (Warning -- Possibly passing a null pointer) */ if (fn EQ NOT_PRESENT_32BIT) fn = dl_data->fn; unitdata_ind->fn = fn; if (error_flag NEQ VALID_BLOCK) { DL_OFFLINE_TRACE(TRACE_DL_EVENT, C_DCCH0, L2_CHANNEL_SACCH, "inv UNITDATA_IND"); } else { com_l3trace (TRACE_UACK_DN, L2_CHANNEL_SACCH, layer3msg); } PSENDX (RR, unitdata_ind); } #undef UNITDATA_OFFSET } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_short_unitdata_req | +--------------------------------------------------------------------+ PURPOSE : Reception of a DL_SHORT_UNITDATA_REQ primitive. */ GLOBAL void drr_dl_short_unitdata_req (T_DL_SHORT_UNITDATA_REQ * short_unitdata_req) { TRACE_FUNCTION ("drr_dl_short_unitdata_req()"); if (short_unitdata_req) { GET_INSTANCE_DATA; /*lint -e420 (Warning -- Apparent access beyond array) */ /*lint -e420 (Warning -- Apparent access beyond array) */ memcpy (&dl_data->rr_short_pd_buffer, &short_unitdata_req->sdu, sizeof (T_FRAME)); /*lint +e420 (Warning -- Apparent access beyond array) */ #ifndef DL_2TO1 dl_data->rr_short_pd_ch_type = short_unitdata_req->ch_type; #else dl_data->rr_short_pd_ch_type = short_unitdata_req->l2_channel; #endif COM_FREE_POINTER (short_unitdata_req); } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_short_unitdata_ind | +--------------------------------------------------------------------+ PURPOSE : Send of a DL_SHORT_UNITDATA_IND primitive. */ GLOBAL void drr_dl_short_unitdata_ind (UBYTE ch_type, UBYTE error_flag, UBYTE * layer1head, UBYTE * layer3msg, UBYTE length, ULONG fn) { GET_INSTANCE_DATA; #define SHORT_UNITDATA_OFFSET 1 #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_dl_short_unitdata_ind (ch_type, error_flag, layer1head, layer3msg, length, fn); return; } #endif /* INVOKE_SIGNAL */ TRACE_FUNCTION ("drr_dl_short_unitdata_ind()"); if (layer3msg) { PALLOC_SDU (short_unitdata_ind, DL_SHORT_UNITDATA_IND, (USHORT)((length + SHORT_UNITDATA_OFFSET) * BITS_PER_BYTE)); short_unitdata_ind->ch_type = ch_type; short_unitdata_ind->error_flag = error_flag; if (ch_type EQ L2_CHANNEL_SACCH) { short_unitdata_ind->pwr_lev = layer1head[0]; short_unitdata_ind->ta = layer1head[1]; } else { short_unitdata_ind->pwr_lev = 0; short_unitdata_ind->ta = 0; } short_unitdata_ind->sdu.o_buf = SHORT_UNITDATA_OFFSET * BITS_PER_BYTE; short_unitdata_ind->sdu.l_buf = length * BITS_PER_BYTE; memset (&short_unitdata_ind->sdu.buf[0], 0, SHORT_UNITDATA_OFFSET); memcpy (&short_unitdata_ind->sdu.buf[SHORT_UNITDATA_OFFSET], layer3msg, length); if (fn EQ NOT_PRESENT_32BIT) fn = dl_data->fn; short_unitdata_ind->fn = fn; if (error_flag NEQ VALID_BLOCK) { DL_OFFLINE_TRACE(TRACE_DL_EVENT, C_DCCH0, ch_type, "inv SHORT_UNITDATA_IND"); } else { com_l3trace (TRACE_UACK_DN, ch_type, layer3msg); } PSENDX (RR, short_unitdata_ind); } #undef SHORT_UNITDATA_OFFSET } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_establish_cnf | +--------------------------------------------------------------------+ PURPOSE : Send of a DL_ESTABLISH_CNF primitive. */ GLOBAL void drr_dl_establish_cnf (UBYTE ch_type, UBYTE sapi) { GET_INSTANCE_DATA; #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_dl_establish_cnf (ch_type, sapi); return; } else #endif /* INVOKE_SIGNAL */ { PALLOC (dl_establish_cnf, DL_ESTABLISH_CNF); TRACE_FUNCTION ("drr_dl_establish_cnf()"); dl_establish_cnf->ch_type = ch_type; dl_establish_cnf->sapi = sapi; dl_establish_cnf->indication = sapi EQ PS_SAPI_0 ? dl_data->dcch0_unserved : dl_data->dcch3_unserved; PSENDX (RR, dl_establish_cnf); DL_EM_CHANNEL_ESTABLISHMENT_PASSED; if (!dl_data->RR_dedicated) { /* first uplink on SACCH after the first establishment is an empty frame */ if (sapi EQ PS_SAPI_0) { /* the SAPI value of the next SACCH frame depends on the next awaiting frame */ TRACE_EVENT_WIN_P1 ("sacch_last_uplink_sapi:=%u->3", dl_data->sacch_last_uplink_sapi); dl_data->sacch_last_uplink_sapi = NOT_PRESENT_8BIT; } /* RR is entering the dedicated mode */ dl_data->RR_dedicated = TRUE; DL_OFFLINE_TRACE(TRACE_DL_EVENT, sapi EQ PS_SAPI_0 ? C_DCCH0 : C_DCCH3, ch_type, "RR_dedicated:=TRUE"); } } }/* endfunc drr_dl_establish_cnf */ /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_release_ind | +--------------------------------------------------------------------+ PURPOSE : Send of a DL_RELEASE_IND primitive. */ GLOBAL void drr_dl_release_ind (UBYTE ch_type, UBYTE sapi, UBYTE cs, BOOL init) { GET_INSTANCE_DATA; #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_dl_release_ind (ch_type, sapi, cs, init); return; } else #endif /* INVOKE_SIGNAL */ { PALLOC (dl_release_ind, DL_RELEASE_IND);/* T_DL_RELEASE_IND */ TRACE_FUNCTION ("drr_dl_release_ind()"); dl_release_ind->ch_type = ch_type; dl_release_ind->sapi = sapi; #ifndef DL_2TO1 dl_release_ind->cs = cs; #else dl_release_ind->ps_cause.ctrl_value = CAUSE_is_from_dl; dl_release_ind->ps_cause.value.dl_cause = cs; #endif /*DL_2TO1*/ #if defined (DL_TRACE_ENABLED) switch (ch_type) { case L2_CHANNEL_FACCH_F: case L2_CHANNEL_FACCH_H: case L2_CHANNEL_SDCCH: DL_OFFLINE_TRACE (TRACE_DL_EVENT, sapi EQ PS_SAPI_0 ? C_DCCH0 : C_DCCH3, ch_type, "Release Ind"); break; case L2_CHANNEL_SACCH: DL_OFFLINE_TRACE (TRACE_DL_EVENT, sapi EQ PS_SAPI_0 ? C_DCCH0 : C_DCCH3, ch_type, sapi EQ PS_SAPI_0 ? "Release Ind" : "Release Ind SAPI=3"); break; } #endif /* DL_TRACE_ENABLED */ #if defined(DELAYED_RELEASE_IND) { GET_INSTANCE_DATA; dl_data->release_ind_ch_type = NOT_PRESENT_8BIT; } #endif /* DELAYED_RELEASE_IND */ PSENDX (RR, dl_release_ind); if (init) { if (sapi EQ DL_SAPI_0) { dcch0_init_dl_data ();/* reset data link layer for SAPI=0 and 3 */ } else if (sapi EQ DL_SAPI_3) { dcch3_init_dl_data ();/* reset data link layer for SAPI=3 only */ } } } }/* endfunc drr_dl_release_ind */ /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_dl_release_cnf | +--------------------------------------------------------------------+ PURPOSE : Send of a DL_RELEASE_CNF primitive. */ GLOBAL void drr_dl_release_cnf (UBYTE ch_type, UBYTE sapi, BOOL init) { GET_INSTANCE_DATA; #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_dl_release_cnf (ch_type, sapi, init); return; } else #endif /* INVOKE_SIGNAL */ { PALLOC (dl_release_cnf, DL_RELEASE_CNF); TRACE_FUNCTION ("drr_dl_release_cnf()"); dl_release_cnf->ch_type = ch_type; dl_release_cnf->sapi = sapi; DL_EM_LINK_RELEASE; PSENDX (RR, dl_release_cnf); if (init) { if (sapi EQ DL_SAPI_0) { dcch0_init_dl_data ();/* reset data link layer for SAPI=0 and 3 */ } else if (sapi EQ DL_SAPI_3) { dcch3_init_dl_data ();/* reset data link layer for SAPI=3 only */ } } } }/* endfunc drr_dl_release_cnf */ /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6147) MODULE : DL_DRR | | STATE : code ROUTINE : drr_error_ind | +--------------------------------------------------------------------+ PURPOSE : Release after error. */ GLOBAL void drr_error_ind (UBYTE ch_type, UBYTE sapi) { GET_INSTANCE_DATA; #if defined(INVOKE_SIGNAL) if (dl_data->interrupt_context) { sig_invoke_drr_error_ind (ch_type, sapi); return; } #endif /* INVOKE_SIGNAL */ TRACE_FUNCTION ("drr_error_ind()"); DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, ch_type, "error_ind "); /* * not a real error indication, instead a release ind to RR and release req for myself */ drr_dl_release_ind (ch_type, sapi, NOT_PRESENT_8BIT, FALSE); if (((sapi EQ DL_SAPI_0) AND (dl_data->state[C_DCCH0] > STATE_IDLE_DL)) OR ((sapi EQ DL_SAPI_3) AND (dl_data->state[C_DCCH3] > STATE_IDLE_DL))) { PALLOC (release_req, DL_RELEASE_REQ); release_req->ch_type = ch_type; release_req->sapi = sapi; release_req->mode = DL_NORMAL_RELEASE; drr_dl_release_req (release_req); } } #endif /* DL_DRR_C */