diff options
| author | Holger Hans Peter Freyther <zecke@selfish.org> | 2009-10-22 15:13:00 +0200 |
|---|---|---|
| committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2009-10-27 04:52:29 +0100 |
| commit | ff3f260e4fdc8445c7460cb8af1b23fb397467b2 (patch) | |
| tree | 19f82cc5f457d506c142354068c829143e891a22 /openbsc/src/gsm_04_08_utils.c | |
| parent | e81a6109f9e94ec5dcceb44a7ef1ea8cc52e7cb1 (diff) | |
[gsm48] Move RR CHANNEL MODIFY to gsm_04_08_utils.c
Be able to send RR CHANNEL MODIFY from the BSC/MSC code
as well. Move the method that knows about the IPAccess RTP
and issues the "bind" to the utils tool
Diffstat (limited to 'openbsc/src/gsm_04_08_utils.c')
| -rw-r--r-- | openbsc/src/gsm_04_08_utils.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/openbsc/src/gsm_04_08_utils.c b/openbsc/src/gsm_04_08_utils.c index 358212f17..598775c03 100644 --- a/openbsc/src/gsm_04_08_utils.c +++ b/openbsc/src/gsm_04_08_utils.c @@ -514,3 +514,48 @@ int gsm48_send_rr_ass_cmd(struct gsm_lchan *lchan, u_int8_t power_command) return gsm48_sendmsg(msg, NULL); } + +/* 9.1.5 Channel mode modify: Modify the mode on the MS side */ +int gsm48_tx_chan_mode_modify(struct gsm_lchan *lchan, u_int8_t mode) +{ + struct msgb *msg = gsm48_msgb_alloc(); + struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh)); + struct gsm48_chan_mode_modify *cmm = + (struct gsm48_chan_mode_modify *) msgb_put(msg, sizeof(*cmm)); + u_int16_t arfcn = lchan->ts->trx->arfcn & 0x3ff; + + DEBUGP(DRR, "-> CHANNEL MODE MODIFY mode=0x%02x\n", mode); + + lchan->tch_mode = mode; + msg->lchan = lchan; + gh->proto_discr = GSM48_PDISC_RR; + gh->msg_type = GSM48_MT_RR_CHAN_MODE_MODIF; + + /* fill the channel information element, this code + * should probably be shared with rsl_rx_chan_rqd() */ + cmm->chan_desc.chan_nr = lchan2chan_nr(lchan); + cmm->chan_desc.h0.tsc = lchan->ts->trx->bts->tsc; + cmm->chan_desc.h0.h = 0; + cmm->chan_desc.h0.arfcn_high = arfcn >> 8; + cmm->chan_desc.h0.arfcn_low = arfcn & 0xff; + cmm->mode = mode; + + return gsm48_sendmsg(msg, NULL); +} + +int gsm48_lchan_modify(struct gsm_lchan *lchan, u_int8_t lchan_mode) +{ + int rc; + + rc = gsm48_tx_chan_mode_modify(lchan, lchan_mode); + if (rc < 0) + return rc; + + /* FIXME: we not only need to do this after mode modify, but + * also after channel activation */ + if (is_ipaccess_bts(lchan->ts->trx->bts) && lchan_mode != GSM48_CMODE_SIGN) + rc = rsl_ipacc_bind(lchan); + + return rc; +} + |