pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-sgsn/+/15382
Change subject: gmm: Move code handling GMM PTMSI Realloc Complete to its own
function
......................................................................
gmm: Move code handling GMM PTMSI Realloc Complete to its own function
Change-Id: I3b21a976c6683bea5419a33f0ccb8b56483d6e21
---
M src/sgsn/gprs_gmm.c
1 file changed, 17 insertions(+), 11 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/82/15382/1
diff --git a/src/sgsn/gprs_gmm.c b/src/sgsn/gprs_gmm.c
index ea6daae..399f7bf 100644
--- a/src/sgsn/gprs_gmm.c
+++ b/src/sgsn/gprs_gmm.c
@@ -1789,6 +1789,22 @@
return 0;
}
+/* 3GPP TS 24.008 § 9.4.8: P-TMSI reallocation complete */
+static int gsm48_rx_gmm_ptmsi_reall_compl(struct sgsn_mm_ctx *mmctx)
+{
+ LOGMMCTXP(LOGL_INFO, mmctx, "-> PTMSI REALLOCATION COMPLETE\n");
+ mmctx_timer_stop(mmctx, 3350);
+ mmctx->t3350_mode = GMM_T3350_MODE_NONE;
+ mmctx->p_tmsi_old = 0;
+ mmctx->pending_req = 0;
+ if (mmctx->ran_type == MM_CTX_T_GERAN_Gb) {
+ /* Unassign the old TLLI */
+ mmctx->gb.tlli = mmctx->gb.tlli_new;
+ //gprs_llgmm_assign(mmctx->gb.llme, TLLI_UNASSIGNED,
mmctx->gb.tlli_new, GPRS_ALGO_GEA0, NULL);
+ }
+ return 0;
+}
+
/* 3GPP TS 24.008 § 9.4.20 Service request.
* In Iu, a UE in PMM-IDLE mode can use GSM48_MT_GMM_SERVICE_REQ to switch back
* to PMM-CONNECTED mode. */
@@ -2032,17 +2048,7 @@
case GSM48_MT_GMM_PTMSI_REALL_COMPL:
if (!mmctx)
goto null_mmctx;
- LOGMMCTXP(LOGL_INFO, mmctx, "-> PTMSI REALLOCATION COMPLETE\n");
- mmctx_timer_stop(mmctx, 3350);
- mmctx->t3350_mode = GMM_T3350_MODE_NONE;
- mmctx->p_tmsi_old = 0;
- mmctx->pending_req = 0;
- if (mmctx->ran_type == MM_CTX_T_GERAN_Gb) {
- /* Unassign the old TLLI */
- mmctx->gb.tlli = mmctx->gb.tlli_new;
- //gprs_llgmm_assign(mmctx->gb.llme, TLLI_UNASSIGNED,
mmctx->gb.tlli_new, GPRS_ALGO_GEA0, NULL);
- }
- rc = 0;
+ rc = gsm48_rx_gmm_ptmsi_reall_compl(mmctx);
break;
case GSM48_MT_GMM_AUTH_CIPH_RESP:
if (!mmctx)
--
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Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-Change-Id: I3b21a976c6683bea5419a33f0ccb8b56483d6e21
Gerrit-Change-Number: 15382
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
Gerrit-MessageType: newchange
