diff options
| author | Harald Welte <laforge@gnumonks.org> | 2010-05-31 20:23:38 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2010-05-31 20:23:38 +0200 |
| commit | c2e8cc4a10d741763736d375bb663c593ee2de31 (patch) | |
| tree | 32d82a7905cf83e44b8d4d69749c4ab8fbd23c3d /openbsc/include/openbsc/gprs_sgsn.h | |
| parent | 3d379ba589cef46de16f3382fede63f5faf2348d (diff) | |
[GPRS] Implement TMSI reallocation and timers 3350 + 3370
Our state transitions and timers now reflect 04.08 for GMM much
better than before. Also, we allocate a new P-TMSI on every ATTACH
and RA UPDATE, as some phones seem to get confused if they don't
get a P-TMSI.
Diffstat (limited to 'openbsc/include/openbsc/gprs_sgsn.h')
| -rw-r--r-- | openbsc/include/openbsc/gprs_sgsn.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h index e0c2a561a..a6ad3ca00 100644 --- a/openbsc/include/openbsc/gprs_sgsn.h +++ b/openbsc/include/openbsc/gprs_sgsn.h @@ -23,9 +23,10 @@ enum gprs_ciph_algo { GPRS_ALGO_GEA0, GPRS_ALGO_GEA1, GPRS_ALGO_GEA2, + GPRS_ALGO_GEA3, }; -enum grs_mm_ctr { +enum gprs_mm_ctr { GMM_CTR_PKTS_SIG_IN, GMM_CTR_PKTS_SIG_OUT, GMM_CTR_PKTS_UDATA_IN, @@ -39,6 +40,12 @@ enum grs_mm_ctr { GMM_CTR_RA_UPDATE, }; +enum gprs_t3350_mode { + GMM_T3350_MODE_ATT, + GMM_T3350_MODE_RAU, + GMM_T3350_MODE_PTMSI_REALL, +}; + #define MS_RADIO_ACCESS_CAPA /* According to TS 03.60, Table 5: SGSN MM and PDP Contexts */ @@ -49,6 +56,7 @@ struct sgsn_mm_ctx { char imsi[GSM_IMSI_LENGTH]; enum gprs_mm_state mm_state; uint32_t p_tmsi; + uint32_t p_tmsi_old; /* old P-TMSI before new is confirmed */ uint32_t p_tmsi_sig; char imei[GSM_IMEI_LENGTH]; /* Opt: Software Version Numbber / TS 23.195 */ @@ -89,7 +97,11 @@ struct sgsn_mm_ctx { uint16_t bvci; struct rate_ctr_group *ctrg; struct timer_list timer; - unsigned int T; + unsigned int T; /* Txxxx number */ + unsigned int num_T_exp; /* number of consecutive T expirations */ + + enum gprs_t3350_mode t3350_mode; + uint8_t t3370_id_type; }; /* look-up a SGSN MM context based on TLLI + RAI */ |