SGSN: Don't indicate GERAN in Iu mode PDP CTX ACT REQ to GGSN
Change-Id: Ifd9ff4342de342475609bad0257a23c50290e23b
diff --git a/src/gprs/sgsn_libgtp.c b/src/gprs/sgsn_libgtp.c
index 001e611..cd10931 100644
--- a/src/gprs/sgsn_libgtp.c
+++ b/src/gprs/sgsn_libgtp.c
@@ -247,12 +247,8 @@
memcpy(pdp->gsnlu.v, &sgsn->cfg.gtp_listenaddr.sin_addr,
sizeof(sgsn->cfg.gtp_listenaddr.sin_addr));
- /* Assume we are a GERAN system */
- pdp->rattype.l = 1;
- pdp->rattype.v[0] = 2;
- pdp->rattype_given = 1;
-
- /* Include RAI and ULI all the time */
+ /* Routing Area Identifier with LAC and RAC fixed values, as
+ * requested in 29.006 7.3.1 */
pdp->rai_given = 1;
pdp->rai.l = 6;
raid = mmctx->ra;
@@ -260,10 +256,24 @@
raid.rac = 0xFF;
gsm48_construct_ra(pdp->rai.v, &raid);
- pdp->userloc_given = 1;
- pdp->userloc.l = 8;
- pdp->userloc.v[0] = 0; /* CGI for GERAN */
- bssgp_create_cell_id(&pdp->userloc.v[1], &mmctx->ra, mmctx->gb.cell_id);
+ pdp->rattype.l = 1;
+ pdp->rattype_given = 1;
+
+ switch (mmctx->ran_type) {
+ case MM_CTX_T_GERAN_Gb:
+ case MM_CTX_T_GERAN_Iu:
+ pdp->rattype.v[0] = 2;
+ /* User Location Information */
+ pdp->userloc_given = 1;
+ pdp->userloc.l = 8;
+ pdp->userloc.v[0] = 0; /* CGI for GERAN */
+ bssgp_create_cell_id(&pdp->userloc.v[1], &mmctx->ra, mmctx->gb.cell_id);
+ break;
+ case MM_CTX_T_UTRAN_Iu:
+ pdp->rattype.v[0] = 1;
+ /* FIXME: Optional User Location Information with SAI */
+ break;
+ }
/* include the IMEI(SV) */
pdp->imeisv_given = 1;