diff options
| author | Daniel Willmann <dwillmann@sysmocom.de> | 2016-05-02 16:46:43 +0200 |
|---|---|---|
| committer | Daniel Willmann <dwillmann@sysmocom.de> | 2016-05-04 19:04:10 +0200 |
| commit | 8c6732909bd8dc090c079755a4166e813bac826a (patch) | |
| tree | 8ab96a49e5b25788ffaa2eac1f90c24024b03a28 /openbsc/src/gprs | |
| parent | 960d28087e18263027f7dbdb5e5bc641053c7e64 (diff) | |
gprs: Track PMM states
For Iu mode it is important to know when the UE is in PMM-IDLE mode since the
SGSN will need to page the UE if there is data for it.
Diffstat (limited to 'openbsc/src/gprs')
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 10 | ||||
| -rw-r--r-- | openbsc/src/gprs/gprs_sgsn.c | 1 |
2 files changed, 9 insertions, 2 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index d734df014..f32854d74 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -120,7 +120,10 @@ int sgsn_ranap_iu_event(struct ue_conn_ctx *ctx, enum iu_event_type type, void * /* fall thru */ case IU_EVENT_LINK_INVALIDATED: /* Clean up ue_conn_ctx here */ - LOGMMCTXP(LOGL_INFO, mm, "IU release\n"); + 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: @@ -217,6 +220,7 @@ 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); } @@ -802,7 +806,7 @@ 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 == 1) { @@ -1714,6 +1718,7 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, GPRS_ALGO_GEA0, NULL); } mmctx->mm_state = GMM_REGISTERED_NORMAL; + mmctx->pmm_state = PMM_CONNECTED; rc = 0; memset(&sig_data, 0, sizeof(sig_data)); @@ -1734,6 +1739,7 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, GPRS_ALGO_GEA0, NULL); } mmctx->mm_state = GMM_REGISTERED_NORMAL; + mmctx->pmm_state = PMM_CONNECTED; activate_pdp_rabs(mmctx); rc = 0; diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c index c34620183..bfa2c4436 100644 --- a/openbsc/src/gprs/gprs_sgsn.c +++ b/openbsc/src/gprs/gprs_sgsn.c @@ -205,6 +205,7 @@ 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); INIT_LLIST_HEAD(&ctx->pdp_list); |