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/* Auxiliary scheduler utilities.
*
* (C) 2017 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <stdint.h>
/* Burst Payload LENgth (short alias) */
#define BPLEN GSM_NBITS_NB_GMSK_PAYLOAD
/* Burst BUFfer capacity (in BPLEN units). Why 24? Because CSD frames
* are interleaved over 22 bursts, but on TCH/F we decode every 4th burst,
* so it must be a multiple of 4. See also 'doc/trx_sched_tch.txt'. */
#define BUFMAX 24
/* Burst BUFfer position macros */
#define BUFPOS(buf, n) &buf[(n) * BPLEN]
#define BUFTAIL8(buf) BUFPOS(buf, (BUFMAX - 8))
extern void *tall_bts_ctx;
#define BAD_DATA_MSG_FMT "Received bad data (rc=%d, BER %d/%d) ending at fn=%u/%u"
#define BAD_DATA_MSG_ARGS \
rc, n_errors, n_bits_total, bi->fn % l1ts->mf_period, l1ts->mf_period
/* Compute the bit error rate in 1/10000 units */
static inline uint16_t compute_ber10k(int n_bits_total, int n_errors)
{
if (n_bits_total == 0)
return 10000;
else
return 10000 * n_errors / n_bits_total;
}
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