FreeCalypso > hg > fc-tourmaline
annotate src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_send.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> |
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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 * @file rnet_rt_api_send.c |
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3 * |
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4 * RNET_RT API |
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5 * |
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6 * @author Regis Feneon |
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7 * @version 0.1 |
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8 */ |
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9 |
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10 /* |
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11 * $Id: rnet_rt_api_send.c,v 1.4 2002/10/30 15:23:34 rf Exp $ |
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12 * $Name: ti_20021030 $ |
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13 * |
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14 * History: |
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15 * |
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16 * Date Author Modification |
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17 * -------------------------------------------------- |
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18 * 3/22/2002 Regis Feneon Create |
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19 * |
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20 * (C) Copyright 2002 by TI, All Rights Reserved |
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21 * |
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22 */ |
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23 |
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24 #include "rnet_cfg.h" |
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25 #ifdef RNET_CFG_REAL_TRANSPORT |
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26 |
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27 #include "rnet_rt_i.h" |
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28 #include "rnet_rt_env.h" |
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29 |
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30 /** |
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31 * Enqueues the data for sending. |
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32 * |
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33 * Data is sent by enqueueing the data with a call to rnet_send(). |
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34 * The function is not-blocking. |
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35 * |
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36 * In case of TCP, when the data is successfully transmitted to the remote |
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37 * host, the application will be notified with a RNET_SEND_CFM message. |
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38 * |
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39 * Returns RNET_PARTIAL_SENT if not all data could be sent and the function |
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40 * needs to be called again later to send the rest of the data. In that case, |
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41 * the out value of len_p is the number of bytes effectively sent. |
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42 * |
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43 * The buffer is copied by RNET, so the application can free the data buffer |
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44 * when the function returns. |
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45 * |
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46 * TODO: The proper way to use this function. |
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47 * |
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48 * @param desc Connection identifier [IN]. |
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49 * @param buff Pointer on the data to send [IN]. |
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50 * @param len_p Pointer on the length of the data to send [IN]. |
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51 * Pointer on the length of the data effectively sent [OUT]. |
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52 * @return RNET_MEMORY_ERR Not enough memory is available |
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53 * RNET_NOT_INITIALIZED NET subsystem not initialized (internal error). |
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54 * RNET_INTERNAL_ERR Network subsystem failed. |
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55 * or Requested address is a broadcast address. |
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56 * RNET_INVALID_PARAMETER The connection ID is invalid. |
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57 * or The ID is not connected. |
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58 * or Invalid buff parameter. |
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59 * or Connection not bound with bind. |
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60 * RNET_CONN_ABORTED Connection broken due to the "keep-alive" activity |
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61 * detecting a failure while the operation was in progress. |
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62 * or Virtual circuit terminated due to a time-out or other failure. |
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63 * RNET_MSG_SIZE Message oriented connection (UDP), and the message |
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64 * is larger than the maximum supported by the underlying transport. |
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65 * RNET_NET_UNREACHABLE Remote host cannot be reached from this host at this time. |
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66 * RNET_CONN_RESET The virtual circuit was reset by the remote side executing a "hard" |
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67 * or "abortive" close. |
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68 * RNET_TIMEOUT The connection has been dropped, because of a |
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69 * network failure or because the system on the other end went down |
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70 * without notice. |
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71 * RNET_NOT_READY Still processing a callback function. |
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72 * RNET_OK Sending in progress |
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73 * RNET_SEND_CFM will be sent when the sending |
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74 * has been successfully completed. |
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75 */ |
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76 |
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77 T_RNET_RET rnet_rt_send (T_RNET_DESC * desc, |
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78 T_RVF_BUFFER * buff, |
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79 UINT16 * len_p) |
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80 { |
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81 int ret; |
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82 |
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83 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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84 ret = ngSAIOSend( (NGsock *) desc, buff, *len_p, 0, NULL); |
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85 if( (ret == NG_EWOULDBLOCK) || ((ret > 0) && (ret != *len_p))) { |
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86 /* send RNET_SEND_RDY message when data will be acknowledged */ |
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87 ((T_RNET_RT_SOCK *) desc)->flags |= RNET_RT_SOCKF_NOTIFY_SEND; |
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88 } |
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89 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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90 |
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91 if( ret == NG_EWOULDBLOCK) { |
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92 ret = 0; |
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93 } |
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94 if( ret >= 0) { |
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95 if( ret != *len_p) { |
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96 /* not all data has been sent */ |
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97 *len_p = ret; |
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98 return( RNET_PARTIAL_SENT); |
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99 } |
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100 return( RNET_OK); |
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101 } |
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102 |
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103 return( rnet_rt_ngip_error( ret)); |
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104 } |
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105 |
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106 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */ |
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107 |