FreeCalypso > hg > fc-tourmaline
view src/g23m-fad/l2r/l2r_upp.c @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | fa8dc04885d8 |
children |
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/* +----------------------------------------------------------------------------- | Project : CSD (8411) | Modul : L2r_upp.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 functions for processing | of incomming primitives for the component | L2R of the base station +----------------------------------------------------------------------------- */ #ifndef L2R_UPP_C #define L2R_UPP_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 "cus_l2r.h" #include "cnf_l2r.h" #include "mon_l2r.h" #include "prim.h" #include "pei.h" #include "tok.h" #include "dti.h" /* functionality of the dti library */ #include "cl_ribu.h" #include "l2r.h" /*==== CONST =======================================================*/ /*==== TYPES =======================================================*/ /*==== VAR EXPORT ==================================================*/ /*==== VAR LOCAL ===================================================*/ /*==== FUNCTIONS ===================================================*/ /* +------------------------------------------------------------------------------ | Function : sig_dti_up_data_received_ind +------------------------------------------------------------------------------ | Description : Process primitive DTI2_DATA_REQ received from CSDIWF. | | Parameters : dti_data_req - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void sig_dti_up_data_received_ind(T_DTI2_DATA_REQ *dti_data_req) { T_UP *dup = &l2r_data->up; TRACE_FUNCTION ("sig_dti_up_data_received_ind()"); PACCESS (dti_data_req); switch (GET_STATE (UP)) { case UP_CONNECTED: { if (GET_STATE (DTI) NEQ DTI_CLOSED) { /* * do not send flow control primitives automatically */ dti_stop(l2r_hDTI, L2R_DTI_UP_DEF_INSTANCE, L2R_DTI_UP_INTERFACE, L2R_DTI_UP_CHANNEL); } SET_STATE (UP_UL, IW_IDLE); dup->Prim = dti_data_req; /* detect break request */ if (dup->Prim->parameters.st_lines.st_break_len NEQ DTI_BREAK_OFF) { sig_up_mgt_break_ind(dup->Prim); } else { up_store_data(); } switch (GET_STATE (UP_LL)) { case ISW_WAIT: if (dup->LLFlow EQ FL_INACTIVE AND dup->RiBu.idx.filled) { /* L_UDR_1 */ TIMERSTOP (TIMER_TUP_SND); up_send_current_prim(); if (!dup->RiBu.idx.filled) { SET_STATE (UP_LL, ISW_IDLE); } else { SET_STATE (UP_LL, ISW_SEND); } } else { /* L_UDR_2 */ if( dup->LastSentFlow EQ dup->MrgFlow ) return; TIMERSTOP (TIMER_TUP_SND); switch (dup->LLFlow) { case FL_INACTIVE: up_send_prim_timeout(); break; case FL_ACTIVE: up_send_empty_frame(dup->LastSentSa, dup->LastSentSb, dup->MrgFlow); break; } if (!dup->RiBu.idx.filled) { SET_STATE (UP_LL, ISW_IDLE); } else { SET_STATE (UP_LL, ISW_SEND); } } break; default: if (!dup->RiBu.idx.filled) /* no primitive is ready */ return; /* L_UDR3 */ up_check_flow(); up_check_alloc(); SET_STATE (UP_LL, ISW_SEND); break; } break; } } } /* +------------------------------------------------------------------------------ | Function : up_rlp_ready_ind +------------------------------------------------------------------------------ | Description : Process primitive RLP_READY_IND received from RLP. | | Parameters : rlp_ready_ind - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void up_rlp_ready_ind(T_RLP_READY_IND *rlp_ready_ind) { T_UP *dup = &l2r_data->up; TRACE_FUNCTION ("rlp_ready_ind()"); PACCESS (rlp_ready_ind); switch (GET_STATE (UP)) { case UP_CONNECTED: switch (GET_STATE (UP_LL)) { case ISW_SEND: if (dup->LLFlow EQ FL_INACTIVE OR dup->UrgentMsg) { up_send_current_prim(); if (!dup->RiBu.idx.filled) { SET_STATE (UP_LL, ISW_IDLE); } } else { if (dup->LastSentFlow NEQ dup->MrgFlow) { up_send_empty_frame(dup->LastSentSa, dup->LastSentSb, dup->MrgFlow); } else { SET_STATE (UP_LL, ISW_WAIT); TIMERSTART(TIMER_TUP_SND, LL_TO); } } break; default: SET_STATE (UP_LL, ISW_WAIT); TIMERSTART(TIMER_TUP_SND, LL_TO); break; } break; case UP_REMAP: SET_STATE (UP_LL, ISW_WAIT); break; } PFREE (rlp_ready_ind); }