diff options
Diffstat (limited to 'src/osmo-bsc/osmo_bsc_bssap.c')
| -rw-r--r-- | src/osmo-bsc/osmo_bsc_bssap.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/osmo-bsc/osmo_bsc_bssap.c b/src/osmo-bsc/osmo_bsc_bssap.c index f2ccf2cf1..ab7f79ce1 100644 --- a/src/osmo-bsc/osmo_bsc_bssap.c +++ b/src/osmo-bsc/osmo_bsc_bssap.c @@ -420,6 +420,23 @@ static int gsm0808_cipher_mode(struct gsm_subscriber_connection *conn, int ciphe return gsm48_send_rr_ciph_mode(conn->lchan, include_imeisv); } +static int bssmap_handle_clear_cmd(struct gsm_subscriber_connection *conn, + struct msgb *msg, unsigned int length) +{ + struct tlv_parsed tp; + bool is_csfb = false; + + tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l4h + 1, length - 1, 0, 0); + + /* FIXME: Check for mandatory cause IE, and use that in RR RELEASE cause! */ + if (TLVP_PRESENT(&tp, GSM0808_IE_CSFB_INDICATION)) + is_csfb = true; + + osmo_fsm_inst_dispatch(conn->fi, GSCON_EV_A_CLEAR_CMD, &is_csfb); + + return 0; +} + /* * GSM 08.08 ยง 3.1.14 cipher mode handling. We will have to pick * the cipher to be used for this. In case we are already using @@ -867,7 +884,7 @@ static int bssmap_rcvmsg_dt1(struct gsm_subscriber_connection *conn, switch (msg->l4h[0]) { case BSS_MAP_MSG_CLEAR_CMD: - osmo_fsm_inst_dispatch(conn->fi, GSCON_EV_A_CLEAR_CMD, msg); + ret = bssmap_handle_clear_cmd(conn, msg, length); break; case BSS_MAP_MSG_CIPHER_MODE_CMD: ret = bssmap_handle_cipher_mode(conn, msg, length); |