diff options
| author | Daniel Willmann <dwillmann@sysmocom.de> | 2016-05-21 00:01:21 +0200 |
|---|---|---|
| committer | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2016-09-02 04:29:01 +0200 |
| commit | 5b2363ebb281f0e3428ed1949d7ab1ee533d7e19 (patch) | |
| tree | b95efa691f89715b7a2bf79ad18ef97d92ffa7ab /openbsc | |
| parent | af241727a9f03f9259529e1e374329adf4ca0626 (diff) | |
IuPS: sgsn_mm_ctx: add enum gprs_pmm_state field, track PMM state
Iu needs to page to transfer data in PMM-IDLE state.
Change-Id: Id37778cb9a0328a21c8e8246998ecdb43dd687d8
Diffstat (limited to 'openbsc')
| -rw-r--r-- | openbsc/include/openbsc/gprs_sgsn.h | 11 | ||||
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 6 | ||||
| -rw-r--r-- | openbsc/src/gprs/gprs_sgsn.c | 1 |
3 files changed, 18 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h index 18cbab834..24e286c70 100644 --- a/openbsc/include/openbsc/gprs_sgsn.h +++ b/openbsc/include/openbsc/gprs_sgsn.h @@ -31,6 +31,16 @@ enum gprs_gmm_state { GMM_DEREGISTERED_INIT, /* 4.1.3.3.1.4 */ }; +/* TS 23.060 6.1.1 and 6.1.2 Mobility management states A/Gb and Iu mode */ +enum gprs_pmm_state { + PMM_DETACHED, + PMM_CONNECTED, + PMM_IDLE, + MM_IDLE = PMM_DETACHED, + MM_READY = PMM_CONNECTED, + MM_STANDBY = PMM_IDLE, +}; + enum gprs_mm_ctr { GMM_CTR_PKTS_SIG_IN, GMM_CTR_PKTS_SIG_OUT, @@ -117,6 +127,7 @@ struct sgsn_mm_ctx { char imsi[GSM23003_IMSI_MAX_DIGITS+1]; enum gprs_gmm_state mm_state; + enum gprs_pmm_state pmm_state; /* Iu: page when in PMM-IDLE mode */ uint32_t p_tmsi; uint32_t p_tmsi_old; /* old P-TMSI before new is confirmed */ uint32_t p_tmsi_sig; diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 53b632246..99e4a8cd6 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -131,6 +131,8 @@ int sgsn_ranap_iu_event(struct ue_conn_ctx *ctx, enum iu_event_type type, void * case IU_EVENT_LINK_INVALIDATED: /* Clean up ue_conn_ctx here */ LOGMMCTXP(LOGL_INFO, mm, "IU release for imsi %s\n", mm->imsi); + if (mm->pmm_state == PMM_CONNECTED) + mm->pmm_state = PMM_IDLE; rc = 0; break; case IU_EVENT_SECURITY_MODE_COMPLETE: @@ -241,6 +243,7 @@ static void mm_ctx_cleanup_free(struct sgsn_mm_ctx *ctx, const char *log_text) /* Mark MM state as deregistered */ ctx->mm_state = GMM_DEREGISTERED; + ctx->pmm_state = PMM_DETACHED; sgsn_mm_ctx_cleanup_free(ctx); } @@ -852,6 +855,7 @@ static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx) case GSM48_MT_GMM_SERVICE_REQ: /* TODO: PMM State transition */ ctx->pending_req = 0; + ctx->pmm_state = PMM_CONNECTED; rc = gsm48_tx_gmm_service_ack(ctx); if (ctx->iu.service.type != GPRS_SERVICE_T_SIGNALLING) @@ -1793,6 +1797,7 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, mmctx->gb.tlli_new); } mmctx->mm_state = GMM_REGISTERED_NORMAL; + mmctx->pmm_state = PMM_CONNECTED; rc = 0; memset(&sig_data, 0, sizeof(sig_data)); @@ -1815,6 +1820,7 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, mmctx->gb.tlli_new); } mmctx->mm_state = GMM_REGISTERED_NORMAL; + mmctx->pmm_state = PMM_CONNECTED; rc = 0; memset(&sig_data, 0, sizeof(sig_data)); diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c index dd7e008b1..e5a54d9b4 100644 --- a/openbsc/src/gprs/gprs_sgsn.c +++ b/openbsc/src/gprs/gprs_sgsn.c @@ -246,6 +246,7 @@ struct sgsn_mm_ctx *sgsn_mm_ctx_alloc_iu(void *uectx) ctx->iu.ue_ctx = uectx; ctx->iu.new_key = 1; ctx->mm_state = GMM_DEREGISTERED; + ctx->pmm_state = PMM_DETACHED; ctx->auth_triplet.key_seq = GSM_KEY_SEQ_INVAL; ctx->ctrg = rate_ctr_group_alloc(ctx, &mmctx_ctrg_desc, 0); |