[PATCH] openbsc[master]: subscriber conn: add indicator for originating RAN

[Neels Hofmeyr]

Hello Max, Jenkins Builder,

I'd like you to reexamine a change.  Please visit

    https://gerrit.osmocom.org/1858

to look at the new patch set (#2).

subscriber conn: add indicator for originating RAN

Add via_ran to gsm_subscriber_connection to indicate whether a conn is coming
in via 2G/GERAN/A-Interface or 3G/UTRAN/Iu-Interface. Prepares for Iu, but
also for libvlr to decide between GSM or UMTS Auth.

Until actual Iu support is merged to master, this indicator will aid VLR unit
testing.

Change-Id: I93b870522f725170e4265a5543f6b680383d7465
---
M openbsc/include/openbsc/gsm_data.h
M openbsc/src/libbsc/bsc_api.c
2 files changed, 9 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/openbsc refs/changes/58/1858/2

diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index a14e59f..50bb556 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -106,6 +106,12 @@
 	uint8_t last_seen_nr;
 };
 
+enum ran_type {
+       RAN_UNKNOWN,
+       RAN_GERAN,	/* 2G / A-interface */
+       RAN_UTRAN	/* 3G / Iu-interface (IuCS or IuPS) */
+};
+
 /* active radio connection of a mobile subscriber */
 struct gsm_subscriber_connection {
 	struct llist_head entry;
@@ -148,6 +154,8 @@
 	struct osmo_timer_list T10; /* BSC */
 	struct gsm_lchan *secondary_lchan; /* BSC */
 
+	/* connected via 2G or 3G? */
+	enum ran_type via_ran;
 };
 
 
diff --git a/openbsc/src/libbsc/bsc_api.c b/openbsc/src/libbsc/bsc_api.c
index 7a48296..5b01d69 100644
--- a/openbsc/src/libbsc/bsc_api.c
+++ b/openbsc/src/libbsc/bsc_api.c
@@ -251,6 +251,7 @@
 	conn->network = net;
 	conn->lchan = lchan;
 	conn->bts = lchan->ts->trx->bts;
+	conn->via_ran = RAN_GERAN;
 	lchan->conn = conn;
 	llist_add_tail(&conn->entry, &net->subscr_conns);
 	return conn;

-- 
To view, visit https://gerrit.osmocom.org/1858
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I93b870522f725170e4265a5543f6b680383d7465
Gerrit-PatchSet: 2
Gerrit-Project: openbsc
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Max <msuraev at sysmocom.de>