FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/llc/llc_txf.h @ 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> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : Definitions for llc_txf.c |
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18 +----------------------------------------------------------------------------- |
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19 */ |
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20 |
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21 |
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22 #ifndef LLC_TXF_H |
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23 #define LLC_TXF_H |
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24 |
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25 |
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26 EXTERN void llc_tx_init (void); |
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27 |
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28 EXTERN void tx_clear_buffer (void); |
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29 |
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30 EXTERN void tx_send_cipher_req |
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31 ( |
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32 #ifdef LL_DESC |
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33 T_CCI_CIPHER_DESC_REQ *cci_cipher_desc_req, |
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34 #else |
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35 T_CCI_CIPHER_REQ *cci_cipher_desc_req, |
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36 #endif |
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37 T_PDU_TYPE frame_type, |
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38 UBYTE protected_mode, |
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39 T_FRAME_NUM ns, |
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40 UBYTE cipher, |
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41 ULONG oc |
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42 ); |
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43 |
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44 GLOBAL void tx_reserve_buffer |
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45 ( |
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46 #ifdef LL_DESC |
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47 T_LL_UNITDESC_REQ *ll_unitdesc_req, |
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48 #else |
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49 T_LL_UNITDATA_REQ *ll_unitdesc_req, |
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50 #endif |
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51 T_PRIM_TYPE prim_type, |
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52 UBYTE cause, |
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53 T_SERVICE rx_service, |
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54 ULONG *reservation_no, |
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55 BOOL *buffer_available |
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56 ); |
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57 |
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58 |
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59 GLOBAL void tx_store_buffer (T_GRLC_DATA_REQ *grlc_data_req); |
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60 |
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61 EXTERN void tx_get_next_frame (T_GRLC_DATA_REQ **grlc_data_req, |
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62 T_GRLC_UNITDATA_REQ **grlc_unitdata_req, |
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63 T_PRIM_TYPE *prim_type, |
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64 T_SERVICE *rx_service, |
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65 UBYTE *sapi); |
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66 |
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67 EXTERN void tx_get_first_data_frame (T_TX_QUEUE **elem); |
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68 |
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69 EXTERN void tx_remove_data_frames (T_SERVICE service, T_SAPI sapi); |
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70 |
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71 |
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72 #endif /* !LLC_TXS_H */ |
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73 |