diff options
| author | Harald Welte <laforge@gnumonks.org> | 2009-11-29 22:45:52 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2009-11-29 22:45:52 +0100 |
| commit | d011e8b958f3d5a09d1c66852292974d9dc52786 (patch) | |
| tree | f3ce0a7df96959a397f1bbe823d52d5c0da674b6 /openbsc/src/gsm_04_08.c | |
| parent | 8c83af65c1902811d8e9823153af09cc59f4d9f6 (diff) | |
[handover] Introduce new handover related LCHAN signals
This introduces the signals S_LCHAN_ACTIVATE_{ACK,NACK} and
S_LCAN_HANDOVER_{FAIL,COMPL,DETECT} as well as code that actually issues
those signals. The signals are relevant for a yet-to-be-written handover
control logic.
Diffstat (limited to 'openbsc/src/gsm_04_08.c')
| -rw-r--r-- | openbsc/src/gsm_04_08.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c index eeeb739f1..e225bf3a1 100644 --- a/openbsc/src/gsm_04_08.c +++ b/openbsc/src/gsm_04_08.c @@ -1563,6 +1563,33 @@ static int gsm48_rx_rr_app_info(struct msgb *msg) return db_apdu_blob_store(msg->lchan->subscr, apdu_id_flags, apdu_len, apdu_data); } +/* Chapter 9.1.16 Handover complete */ +static gsm48_rx_rr_ho_compl(struct msgb *msg) +{ + struct gsm48_hdr *gh = msgb_l3(msg); + + DEBUGP(DRR, "HANDOVER COMPLETE cause = %s\n", + rr_cause_name(gh->data[0])); + + dispatch_signal(SS_LCHAN, S_LCHAN_HANDOVER_COMPL, msg->lchan); + /* FIXME: release old channel */ + + return 0; +} + +/* Chapter 9.1.17 Handover Failure */ +static gsm48_rx_rr_ho_fail(struct msgb *msg) +{ + struct gsm48_hdr *gh = msgb_l3(msg); + + DEBUGP(DRR, "HANDOVER FAILED cause = %s\n", + rr_cause_name(gh->data[0])); + + dispatch_signal(SS_LCHAN, S_LCHAN_HANDOVER_FAIL, msg->lchan); + /* FIXME: release allocated new channel */ + + return 0; +} /* Receive a GSM 04.08 Radio Resource (RR) message */ static int gsm0408_rcv_rr(struct msgb *msg) @@ -1597,12 +1624,10 @@ static int gsm0408_rcv_rr(struct msgb *msg) /* FIXME: check for MI (if any) */ break; case GSM48_MT_RR_HANDO_COMPL: - DEBUGP(DRR, "HANDOVER COMPLETE\n"); - /* FIXME: release old channel */ + rc = gsm48_rx_rr_ho_compl(msg); break; case GSM48_MT_RR_HANDO_FAIL: - DEBUGP(DRR, "HANDOVER FAILED\n"); - /* FIXME: release allocated new channel */ + rc = gsm48_rx_rr_ho_fail(msg); break; default: fprintf(stderr, "Unimplemented GSM 04.08 RR msg type 0x%02x\n", |