FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/llc/llc_rxf.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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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_rxf.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_RXF_H |
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23 #define LLC_RXF_H |
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24 |
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25 |
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26 /* |
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27 * Values for frame_rej parameter of rx_interpret_frame(). |
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28 */ |
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29 #define FRAME_NOT_REJ 0x00 |
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30 #define FRAME_REJ_W1 0x01 |
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31 #define FRAME_REJ_W3 0x04 |
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32 |
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33 |
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34 EXTERN void rx_init (void); |
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35 |
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36 EXTERN void rx_analyse_ctrl_field (T_GRLC_UNITDATA_IND *grlc_unitdata_ind, |
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37 T_PDU_TYPE *frame_type, |
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38 UBYTE *protected_mode, |
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39 UBYTE *sapi, |
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40 T_FRAME_NUM *ns, |
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41 BOOL *ciphering, |
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42 USHORT *header_size, |
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43 BOOL *frame_ok); |
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44 |
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45 EXTERN void rx_send_decipher_req (T_GRLC_UNITDATA_IND *grlc_unitdata_ind, |
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46 T_PDU_TYPE frame_type, |
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47 UBYTE protected_mode, |
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48 T_FRAME_NUM ns, |
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49 USHORT header_size, |
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50 BOOL ciphering); |
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51 |
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52 EXTERN void rx_interpret_frame (T_sdu *frame, |
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53 UBYTE *sapi, |
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54 T_PDU_TYPE *pdu_type, |
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55 T_COMMAND *command, |
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56 T_BIT *cr_bit, |
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57 T_BIT *pf_bit, |
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58 T_FRAME_NUM *nr, |
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59 T_FRAME_NUM *ns, |
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60 BOOL *frame_ok, |
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61 UBYTE *frame_rej, |
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62 USHORT *frame_rej_ctrl_length, |
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63 UBYTE cipher); |
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64 |
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65 EXTERN void rx_strip_llc_header (T_sdu *sdu, |
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66 T_PDU_TYPE pdu_type, |
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67 T_COMMAND command); |
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68 |
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69 |
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70 #endif /* !LLC_RXS_H */ |