diff options
Diffstat (limited to 'openbsc/src')
-rw-r--r-- | openbsc/src/gsm_04_08.c | 45 | ||||
-rw-r--r-- | openbsc/src/gsm_04_08_utils.c | 45 |
2 files changed, 48 insertions, 42 deletions
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c index 23739657d..a29d0362b 100644 --- a/openbsc/src/gsm_04_08.c +++ b/openbsc/src/gsm_04_08.c @@ -1087,34 +1087,6 @@ static int mm_rx_loc_upd_req(struct msgb *msg) return gsm0408_authorize(lchan, msg); } -/* 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); -} - #if 0 static u_int8_t to_bcd8(u_int8_t val) { @@ -3167,22 +3139,11 @@ static int gsm48_cc_rx_userinfo(struct gsm_trans *trans, struct msgb *msg) return mncc_recvmsg(trans->subscr->net, trans, MNCC_USERINFO_IND, &user); } -static int gsm48_lchan_modify(struct gsm_trans *trans, void *arg) +static int _gsm48_lchan_modify(struct gsm_trans *trans, void *arg) { struct gsm_mncc *mode = arg; - int rc; - rc = gsm48_tx_chan_mode_modify(trans->lchan, mode->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(trans->lchan->ts->trx->bts) && - mode->lchan_mode != GSM48_CMODE_SIGN) - rc = rsl_ipacc_bind(trans->lchan); - - return rc; + return gsm48_lchan_modify(trans->lchan, mode->lchan_mode); } static struct downstate { @@ -3240,7 +3201,7 @@ static struct downstate { MNCC_REL_REQ, gsm48_cc_tx_release}, /* special */ {ALL_STATES, - MNCC_LCHAN_MODIFY, gsm48_lchan_modify}, + MNCC_LCHAN_MODIFY, _gsm48_lchan_modify}, }; #define DOWNSLLEN \ 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; +} + |