gsup: Introduce OSMO_GSUP_NUM_VECTORS_REQ_IE
This is a bit of a hack, as we want to maintain binary compatibility
without breaking existing users of libosmocore. To do so, we use the
'num_auth_vectors' field in two ways now:
* In the existing use case as part of SEND_AUTH_INFO_RESPONSE, it
indicates the number of vectors stored in the 'auth_vectors' field
* In the new use case as part of SEND_AUTH_INFO_REQUEST, it indicates
the number of vectors actually requested by the MSC/SGSN/MME.
Change-Id: Iaecc47280f8ce54f3e3a888c1cfc160735483d0f
diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h
index 285bc0c..56d7a30 100644
--- a/include/osmocom/gsm/gsup.h
+++ b/include/osmocom/gsm/gsup.h
@@ -107,6 +107,7 @@
OSMO_GSUP_IMEI_IE = 0x50,
OSMO_GSUP_IMEI_RESULT_IE = 0x51,
+ OSMO_GSUP_NUM_VECTORS_REQ_IE = 0x52,
/* Inter-MSC handover related */
OSMO_GSUP_SOURCE_NAME_IE = 0x60,