s1ap_proxy: add type spec for the eNB-ID

Change-Id: Ieee55256f1b90a6cf498faedcf11f15da1423c4d
---
M src/s1ap_proxy.erl
1 file changed, 3 insertions(+), 3 deletions(-)


git pull ssh://gerrit.osmocom.org:29418/erlang/osmo-s1gw refs/changes/31/41031/1

diff --git a/src/s1ap_proxy.erl b/src/s1ap_proxy.erl
index a55746f..c60c45b 100644
--- a/src/s1ap_proxy.erl
+++ b/src/s1ap_proxy.erl
@@ -64,11 +64,11 @@
 -type s1ap_ie_id() :: non_neg_integer().
 -type s1ap_ie_val() :: tuple().
 
+-type enb_id() :: 0..16#fffffff.
 -type mme_ue_id() :: 0..16#ffffffff.
 -type enb_ue_id() :: 0..16#ffffff.
 -type erab_id() :: 0..16#ff.
 -type erab_uid() :: {mme_ue_id(), erab_id()}.
-
 -type plmn_id() :: {MCC :: nonempty_string(),
                     MNC :: nonempty_string()}.
 
@@ -88,7 +88,7 @@
 -type proxy_state() :: #proxy_state{}.
 -type proxy_action() :: forward | reply | drop.
 
--type enb_info() :: #{enb_id => non_neg_integer(),
+-type enb_info() :: #{enb_id => enb_id(),
                       plmn_id => plmn_id(),
                       genb_id_str => string()
                      }.
@@ -254,7 +254,7 @@
     [?UNHEX(D1), ?UNHEX(D2), ?UNHEX(D3)].
 
 
--spec parse_enb_id(tuple()) -> non_neg_integer().
+-spec parse_enb_id(tuple()) -> enb_id().
 parse_enb_id({'macroENB-ID', << ID:20 >>}) -> ID;
 parse_enb_id({'homeENB-ID', << ID:28 >>}) -> ID;
 parse_enb_id({'short-macroENB-ID', << ID:18 >>}) -> ID;

