FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/sm/sm_context_deactivate_control.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 | Project : 3G PS |
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3 | Module : SM |
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4 +----------------------------------------------------------------------------- |
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5 | Copyright 2003 Texas Instruments. |
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6 | All rights reserved. |
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7 | |
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8 | This file is confidential and a trade secret of Texas |
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9 | Instruments . |
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10 | The receipt of or possession of this file does not convey |
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11 | any rights to reproduce or disclose its contents or to |
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12 | manufacture, use, or sell anything it may describe, in |
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13 | whole, or in part, without the specific written consent of |
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14 | Texas Instruments. |
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15 +----------------------------------------------------------------------------- |
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16 | Purpose: Context Deactivate Control sub-state machine definitions in |
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17 | the SM entity. |
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18 | For design details, see: |
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19 | 8010.908 SM Detailed Specification |
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20 +---------------------------------------------------------------------------*/ |
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21 |
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22 /*==== DECLARATION CONTROL =================================================*/ |
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23 |
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24 #ifndef SM_CONTEXT_DEACTIVATE_CONTROL_H |
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25 #define SM_CONTEXT_DEACTIVATE_CONTROL_H |
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26 |
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27 /*==== INCLUDES =============================================================*/ |
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28 |
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29 /*==== CONSTS ===============================================================*/ |
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30 |
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31 /*==== TYPES ================================================================*/ |
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32 |
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33 typedef enum |
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34 { |
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35 /* Events from Context Control */ |
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36 SM_I_DEACTIVATE_NETWORK, |
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37 SM_I_DEACTIVATE_USER_PLANE, |
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38 SM_I_DEACTIVATE_NETWORK_AND_USER_PLANE, |
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39 /* Events from Network Control (Forwarded by Context Control) */ |
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40 SM_I_DEACTIVATE_NETWORK_COMPLETED, |
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41 /* Events from User Plane Control (Forwarded by Context Control) */ |
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42 SM_I_DEACTIVATE_USER_PLANE_COMPLETED, |
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43 /* Number of events */ |
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44 SM_CONTEXT_DEACTIVATE_CONTROL_NUMBER_OF_EVENTS |
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45 } T_SM_CONTEXT_DEACTIVATE_CONTROL_EVENT; |
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46 |
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47 typedef enum |
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48 { |
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49 SM_CONTEXT_DEACTIVATE_NULL, |
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50 SM_CONTEXT_DEACTIVATE_NETWORK, |
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51 SM_CONTEXT_DEACTIVATE_USER_PLANE, |
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52 SM_CONTEXT_DEACTIVATE_BOTH, |
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53 /* Number of states */ |
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54 SM_CONTEXT_DEACTIVATE_CONTROL_NUMBER_OF_STATES |
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55 } T_SM_CONTEXT_DEACTIVATE_CONTROL_STATE; |
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56 |
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57 /*==== EXPORTS ==============================================================*/ |
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58 |
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59 extern void sm_context_deactivate_control_init(struct T_SM_CONTEXT_DATA *context); |
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60 extern void sm_context_deactivate_control_exit(struct T_SM_CONTEXT_DATA *context); |
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61 #ifdef DEBUG |
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62 extern /*@observer@*/ |
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63 const char *sm_context_deactivate_control_state(struct T_SM_CONTEXT_DATA *context); |
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64 #endif |
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65 extern void sm_context_deactivate_control(struct T_SM_CONTEXT_DATA *context, |
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66 T_SM_CONTEXT_DEACTIVATE_CONTROL_EVENT event, |
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67 /*@null@*/ void *data); |
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68 |
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69 #endif /* SM_CONTEXT_DEACTIVATE_CONTROL_H */ |
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70 /*==== END OF FILE ==========================================================*/ |