[gsm48] Introduce a gsm48_generate_mid_from_imsi method
Prefix generate_mid_from_tmsi with a gsm48_, create a new method
to binary encode the imsi. Add a unit test for parsing and decoding.
The implementation can parse the data it generated and the
last octet seems to be filled with the end mark.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index abb6e86..eeabc0f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -899,7 +899,7 @@
bts->network->network_code, bts->location_area_code);
mid = msgb_put(msg, GSM48_MID_TMSI_LEN);
- generate_mid_from_tmsi(mid, tmsi);
+ gsm48_generate_mid_from_tmsi(mid, tmsi);
DEBUGP(DMM, "-> LOCATION UPDATE ACCEPT\n");