ggsn: Fix seq_nr overflow
As seen running a test:
GTP_Templates.ttcn:87 Dynamic test case error: The first argument of function int2oct(), which is 65536, does not fit in 2 octets.
Change-Id: Icbaf42879bade6f5b4e39144ec123bc1b3f893f8
diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn
index ae2a9bf..3993ad6 100644
--- a/ggsn_tests/GGSN_Tests.ttcn
+++ b/ggsn_tests/GGSN_Tests.ttcn
@@ -369,14 +369,14 @@
/* send GTP-C for a given context and increment sequence number */
function f_send_gtpc(in template Gtp1cUnitdata data) runs on GT_CT {
GTPC.send(data);
- g_c_seq_nr := g_c_seq_nr + 1;
+ g_c_seq_nr := (g_c_seq_nr + 1) mod 65536;
}
/* send GTP-U for a given context and increment sequence number */
function f_send_gtpu(inout PdpContext ctx, in octetstring data) runs on GT_CT {
if (use_gtpu_txseq) {
GTPU.send(ts_GTP1U_GPDU(g_peer_u, g_d_seq_nr, ctx.teid_remote, data));
- g_d_seq_nr := g_d_seq_nr + 1;
+ g_d_seq_nr := (g_d_seq_nr + 1) mod 65536;
} else {
GTPU.send(ts_GTP1U_GPDU(g_peer_u, omit, ctx.teid_remote, data));
}