diff options
| -rw-r--r-- | src/osmo-bsc/gsm_04_08_rr.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/osmo-bsc/gsm_04_08_rr.c b/src/osmo-bsc/gsm_04_08_rr.c index 8a74aabac..f47c31f41 100644 --- a/src/osmo-bsc/gsm_04_08_rr.c +++ b/src/osmo-bsc/gsm_04_08_rr.c @@ -43,6 +43,7 @@ #include <osmocom/bsc/handover_fsm.h> #include <osmocom/bsc/gsm_08_08.h> #include <osmocom/bsc/gsm_data.h> +#include <osmocom/bsc/system_information.h> int gsm48_sendmsg(struct msgb *msg) @@ -576,13 +577,18 @@ int gsm48_send_rr_ass_cmd(struct gsm_lchan *dest_lchan, struct gsm_lchan *lchan, gsm48_lchan2chan_desc(&ass->chan_desc, lchan); ass->power_command = power_command; - /* optional: cell channel description */ + /* Cell Channel Description (freq. hopping), TV (see 3GPP TS 44.018, 10.5.2.1b) */ + if (lchan->ts->hopping.enabled) { + uint8_t *chan_desc = msgb_put(msg, 1 + 16); /* tag + fixed length */ + generate_cell_chan_list(chan_desc + 1, dest_lchan->ts->trx->bts); + chan_desc[0] = GSM48_IE_CELL_CH_DESC; + } msgb_tv_put(msg, GSM48_IE_CHANMODE_1, lchan->tch_mode); - /* mobile allocation in case of hopping */ + /* Mobile Allocation (freq. hopping), TLV (see 3GPP TS 44.018, 10.5.2.21) */ if (lchan->ts->hopping.enabled) { - msgb_tlv_put(msg, GSM48_IE_MA_BEFORE, lchan->ts->hopping.ma_len, + msgb_tlv_put(msg, GSM48_IE_MA_AFTER, lchan->ts->hopping.ma_len, lchan->ts->hopping.ma_data); } |