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Handle LCLS-NOTIFICATION message from BSS 

Change-Id: Ibf5f9cad1f70aee56d5bca8fe09a24ca417e7a63
Related: OS#2487
This commit is contained in:
Max 2019-01-17 13:29:16 +01:00
parent 41e7cf115d
commit 80d8ffda8c
1 changed files with 25 additions and 0 deletions
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25
src/libmsc/a_iface_bssap.c
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@ -585,6 +585,29 @@ static int bssmap_rx_ass_compl(struct ran_conn *conn, struct msgb *msg,
return 0;
}
/* Handle incoming LCLS-NOTIFICATION BSSMAP message: 3GPP TS 48.008 §3.2.1.93 */
static int bssmap_rx_lcls_notif(const struct ran_conn *conn, const struct msgb *msg, const struct tlv_parsed *tp)
{
bool status_avail = TLVP_PRESENT(tp, GSM0808_IE_LCLS_BSS_STATUS),
break_avail = TLVP_PRESENT(tp, GSM0808_IE_LCLS_BREAK_REQ);
/* Either §3.2.2.119 LCLS-BSS-Status or §3.2.2.120 LCLS-Break-Request shall be present */
if (!(status_avail ^ break_avail)) {
LOGPCONN(conn, LOGL_ERROR, "Ignoring broken LCLS Notification message\n");
return -EINVAL;
}
if (status_avail)
LOGPCONN(conn, LOGL_NOTICE, "Received LCLS Status: %s\n",
gsm0808_lcls_status_name(tlvp_val8(tp, GSM0808_IE_LCLS_BSS_STATUS, GSM0808_LCLS_STS_NA)));
if (break_avail)
LOGPCONN(conn, LOGL_NOTICE, "Received LCLS Break Request\n");
return 0;
}
/* Handle incoming connection oriented BSSMAP messages */
static int rx_bssmap(struct osmo_sccp_user *scu, const struct a_conn_info *a_conn_info, struct msgb *msg)
{
@ -646,6 +669,8 @@ static int rx_bssmap(struct osmo_sccp_user *scu, const struct a_conn_info *a_con
return bssmap_rx_sapi_n_rej(conn, msg, &tp);
case BSS_MAP_MSG_ASSIGMENT_COMPLETE:
return bssmap_rx_ass_compl(conn, msg, &tp);
case BSS_MAP_MSG_LCLS_NOTIFICATION:
return bssmap_rx_lcls_notif(conn, msg, &tp);
default:
LOGPCONN(conn, LOGL_ERROR, "Unimplemented msg type: %s\n", gsm0808_bssmap_name(msg_type));
return -EINVAL;