diff options
| -rw-r--r-- | src/host/layer23/src/mobile/gsm480_ss.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/host/layer23/src/mobile/gsm480_ss.c b/src/host/layer23/src/mobile/gsm480_ss.c index b114aa63..52e43b9b 100644 --- a/src/host/layer23/src/mobile/gsm480_ss.c +++ b/src/host/layer23/src/mobile/gsm480_ss.c @@ -397,12 +397,17 @@ static int gsm480_tx_release_compl(struct gsm_trans *trans, uint8_t cause) gh->proto_discr = GSM48_PDISC_NC_SS | (trans->transaction_id << 4); gh->msg_type = GSM0480_MTYPE_RELEASE_COMPLETE; + /* GSM 04.08, section 10.5.4.11 */ if (cause) { uint8_t *tlv = msgb_put(msg, 4); tlv[0] = GSM48_IE_CAUSE; tlv[1] = 2; - tlv[2] = 0x80 | cause; - tlv[3] = 0x80 | GSM48_CAUSE_LOC_USER; + + /* Coding standard defined for the GSM PLMNs, + * location - USER, cause as given by caller, + * no extension, no diagnostics. */ + tlv[2] = (1 << 7) | (0x03 << 5) | (GSM48_CAUSE_LOC_USER & 0x0f); + tlv[3] = (1 << 7) | cause; } return gsm480_to_mm(msg, trans, GSM48_MMSS_DATA_REQ); } |