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
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c
index 53b6322..99e4a8c 100644
--- a/openbsc/src/gprs/gprs_gmm.c
+++ b/openbsc/src/gprs/gprs_gmm.c
@@ -131,6 +131,8 @@
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 @@
/* 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 @@
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 @@
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 @@
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 dd7e008..e5a54d9 100644
--- a/openbsc/src/gprs/gprs_sgsn.c
+++ b/openbsc/src/gprs/gprs_sgsn.c
@@ -246,6 +246,7 @@
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);