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ip.access: add nanoBTS channel combination constraints

This commit is contained in:
Harald Welte 2009-12-02 02:45:23 +05:30
parent 0603c9d9e5
commit d6575f9d29
1 changed files with 79 additions and 1 deletions
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80
openbsc/src/abis_nm.c
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@ -1755,7 +1755,8 @@ static int verify_chan_comb(struct gsm_bts_trx_ts *ts, u_int8_t chan_comb)
/* As it turns out, the BS-11 has some very peculiar restrictions
* on the channel combinations it allows */
if (ts->trx->bts->type == GSM_BTS_TYPE_BS11) {
switch (ts->trx->bts->type) {
case GSM_BTS_TYPE_BS11:
switch (chan_comb) {
case NM_CHANC_TCHHalf:
case NM_CHANC_TCHHalf2:
@ -1801,6 +1802,83 @@ static int verify_chan_comb(struct gsm_bts_trx_ts *ts, u_int8_t chan_comb)
/* FIXME: only one CBCH allowed per cell */
break;
}
break;
case GSM_BTS_TYPE_NANOBTS:
switch (ts->nr) {
case 0:
if (ts->trx->nr == 0) {
/* only on TRX0 */
switch (chan_comb) {
case NM_CHANC_BCCH:
case NM_CHANC_mainBCCH:
case NM_CHANC_BCCHComb:
return 0;
break;
default:
return -EINVAL;
}
} else {
switch (chan_comb) {
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
return 0;
default:
return -EINVAL;
}
}
break;
case 1:
if (ts->trx->nr == 0) {
switch (chan_comb) {
case NM_CHANC_SDCCH_CBCH:
if (ts->trx->ts[0].nm_chan_comb ==
NM_CHANC_mainBCCH)
return 0;
return -EINVAL;
case NM_CHANC_SDCCH:
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
case NM_CHANC_IPAC_TCHFull_PDCH:
return 0;
}
} else {
switch (chan_comb) {
case NM_CHANC_SDCCH:
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
return 0;
default:
return -EINVAL;
}
}
break;
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
switch (chan_comb) {
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
return 0;
case NM_CHANC_IPAC_PDCH:
case NM_CHANC_IPAC_TCHFull_PDCH:
if (ts->trx->nr == 0)
return 0;
else
return -EINVAL;
}
break;
}
return -EINVAL;
default:
/* unknown BTS type */
return 0;
}
return 0;
}