From 54d082e5e8a3bd45a46dde1162015954b9047f69 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Sat, 12 Aug 2017 22:43:21 +0200 Subject: libgtp: Add missing mandatory IEs in GTP Error Indication Change-Id: Iadd1fe3de7c476576a4409f22f5e84e9eade6b6e --- gtp/gtp.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/gtp/gtp.c b/gtp/gtp.c index 4aa6eb1..a4e8e2b 100644 --- a/gtp/gtp.c +++ b/gtp/gtp.c @@ -2555,7 +2555,7 @@ int gtp_delete_pdp_conf(struct gsn_t *gsn, int version, return 0; } -/* Send Error Indication (response to a GPDU message */ +/* Send Error Indication (response to a GPDU message) - 3GPP TS 29.060 7.3.7 */ int gtp_error_ind_resp(struct gsn_t *gsn, int version, struct sockaddr_in *peer, int fd, void *pack, unsigned len) @@ -2563,6 +2563,16 @@ int gtp_error_ind_resp(struct gsn_t *gsn, int version, union gtp_packet packet; unsigned int length = get_default_gtp(version, GTP_ERROR, &packet); + if (version == 1) { + /* Mandatory 7.7.13 TEI Data I */ + gtpie_tv4(&packet, &length, GTP_MAX, GTPIE_TEI_DI, + ntoh32(((union gtp_packet *)pack)->gtp1l.h.tei)); + + /* Mandatory 7.7.32 GSN Address */ + gtpie_tlv(&packet, &length, GTP_MAX, GTPIE_GSN_ADDR, + sizeof(gsn->gsnu), &gsn->gsnu); + } + return gtp_resp(version, gsn, NULL, &packet, length, peer, fd, get_seq(pack), get_tid(pack)); } -- cgit v1.2.3