cellular-infrastructure
/
osmo-bts
mirror of https://gerrit.osmocom.org/osmo-bts
9
0
Fork 0
Code Issues Releases Wiki Activity

scheduler: add trx_sched_is_sacch_fn() function 

For proper measurement processing of RX{LEV,QUAL}-SUB, we will
need this information.

Related: OS#2978
Change-Id: I768fde62452a74dce471ebf946e56eb1e4de1abc
This commit is contained in:
Harald Welte 2018-02-23 13:29:05 +01:00
parent a38deee5f1
commit b82b81b256
2 changed files with 43 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/osmo-bts/scheduler.h
View File

@ -188,4 +188,7 @@ int trx_sched_set_cipher(struct l1sched_trx *l1t, uint8_t chan_nr, int downlink,
/* \brief close all logical channels and reset timeslots */
void trx_sched_reset(struct l1sched_trx *l1t);
/*! Determine if given frame number contains SACCH (true) or other (false) burst */
bool trx_sched_is_sacch_fn(struct gsm_bts_trx_ts *ts, uint32_t fn, bool uplink);
#endif /* TRX_SCHEDULER_H */

40
src/common/scheduler.c
View File

@ -1340,6 +1340,46 @@ static int find_sched_mframe_idx(enum gsm_phys_chan_config pchan, uint8_t tn)
return -1;
}
/* Determine if given frame number contains SACCH (true) or other (false) burst */
bool trx_sched_is_sacch_fn(struct gsm_bts_trx_ts *ts, uint32_t fn, bool uplink)
{
int i;
const struct trx_sched_multiframe *sched;
const struct trx_sched_frame *frame;
enum trx_chan_type ch_type;
i = find_sched_mframe_idx(ts->pchan, ts->nr);
if (i < 0)
return -EINVAL;
sched = &trx_sched_multiframes[i];
frame = &sched->frames[fn % sched->period];
if (uplink)
ch_type = frame->ul_chan;
else
ch_type = frame->dl_chan;
switch (ch_type) {
case TRXC_SACCH4_0:
case TRXC_SACCH4_1:
case TRXC_SACCH4_2:
case TRXC_SACCH4_3:
case TRXC_SACCH8_0:
case TRXC_SACCH8_1:
case TRXC_SACCH8_2:
case TRXC_SACCH8_3:
case TRXC_SACCH8_4:
case TRXC_SACCH8_5:
case TRXC_SACCH8_6:
case TRXC_SACCH8_7:
case TRXC_SACCHTF:
case TRXC_SACCHTH_0:
case TRXC_SACCHTH_1:
return true;
default:
return false;
}
}
/* set multiframe scheduler to given pchan */
int trx_sched_set_pchan(struct l1sched_trx *l1t, uint8_t tn,
enum gsm_phys_chan_config pchan)