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authorHolger Hans Peter Freyther <zecke@selfish.org>2013-04-16 13:23:43 +0200
committerHolger Hans Peter Freyther <zecke@selfish.org>2013-04-16 14:14:17 +0200
commitb2b291d3efea54a60c2e5c50f8ac34a2f12125cd (patch)
tree13a9793755108f044ebaf31d6e914986eb06ecf7 /openbsc/include
parentc279e39c128615286a50e440179b6957158ceadb (diff)
nat: Extract the LAC/CI from the Complete Layer3 Information
Find the Cell Identifier from the Complete Layer3 Information and store it for future reference. We could begin to verify that the LAC/CI used really belongs to the BSC.
Diffstat (limited to 'openbsc/include')
-rw-r--r--openbsc/include/openbsc/bsc_nat.h3
-rw-r--r--openbsc/include/openbsc/bsc_nat_sccp.h3
2 files changed, 6 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h
index c5234d45a..13939457b 100644
--- a/openbsc/include/openbsc/bsc_nat.h
+++ b/openbsc/include/openbsc/bsc_nat.h
@@ -502,4 +502,7 @@ struct ctrl_handle *bsc_nat_controlif_setup(struct bsc_nat *nat, int port);
void bsc_nat_ctrl_del_pending(struct bsc_cmd_list *pending);
int bsc_nat_handle_ctrlif_msg(struct bsc_connection *bsc, struct msgb *msg);
+int bsc_nat_extract_lac(struct bsc_connection *bsc, struct nat_sccp_connection *con,
+ struct bsc_nat_parsed *parsed, struct msgb *msg);
+
#endif
diff --git a/openbsc/include/openbsc/bsc_nat_sccp.h b/openbsc/include/openbsc/bsc_nat_sccp.h
index a21684b7f..34aa6320a 100644
--- a/openbsc/include/openbsc/bsc_nat_sccp.h
+++ b/openbsc/include/openbsc/bsc_nat_sccp.h
@@ -80,6 +80,9 @@ struct nat_sccp_connection {
int imsi_checked;
char *imsi;
+ uint16_t lac;
+ uint16_t ci;
+
/* remember which Transactions we run over the bypass */
char ussd_ti[8];