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Import abis_nm_{chcomb4pchan,pchan4chcomb}() from openbsc

This commit is contained in:
Harald Welte 2011-05-24 17:15:12 +02:00
parent 7d4e2d7a84
commit 11c7193ad8
3 changed files with 60 additions and 0 deletions
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2
include/osmocom/gsm/abis_nm.h
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@ -22,4 +22,6 @@ const char *abis_nm_avail_name(uint8_t avail);
const char *abis_nm_test_name(uint8_t test);
void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh);
int abis_nm_chcomb4pchan(enum gsm_phys_chan_config pchan);
enum abis_nm_chan_comb abis_nm_pchan4chcomb(uint8_t chcomb);
#endif /* _OSMO_GSM_ABIS_NM_H */

26
include/osmocom/gsm/gsm_utils.h
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@ -114,4 +114,30 @@ int gprs_tlli_type(uint32_t tlli);
uint32_t gprs_tmsi2tlli(uint32_t p_tmsi, enum gprs_tlli_type type);
/* Osmocom internal, not part of any gsm spec */
enum gsm_phys_chan_config {
GSM_PCHAN_NONE,
GSM_PCHAN_CCCH,
GSM_PCHAN_CCCH_SDCCH4,
GSM_PCHAN_TCH_F,
GSM_PCHAN_TCH_H,
GSM_PCHAN_SDCCH8_SACCH8C,
GSM_PCHAN_PDCH, /* GPRS PDCH */
GSM_PCHAN_TCH_F_PDCH, /* TCH/F if used, PDCH otherwise */
GSM_PCHAN_UNKNOWN,
_GSM_PCHAN_MAX
};
/* Osmocom internal, not part of any gsm spec */
enum gsm_chan_t {
GSM_LCHAN_NONE,
GSM_LCHAN_SDCCH,
GSM_LCHAN_TCH_F,
GSM_LCHAN_TCH_H,
GSM_LCHAN_UNKNOWN,
GSM_LCHAN_CCCH,
_GSM_LCHAN_MAX
};
#endif

32
src/gsm/abis_nm.c
View File

@ -21,9 +21,12 @@
*/
#include <stdint.h>
#include <errno.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/logging.h>
#include <osmocom/gsm/tlv.h>
#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/gsm/protocol/gsm_12_21.h>
#include <osmocom/gsm/abis_nm.h>
@ -394,3 +397,32 @@ void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh)
foh->obj_class, foh->obj_inst.bts_nr, foh->obj_inst.trx_nr,
foh->obj_inst.ts_nr);
}
static const enum abis_nm_chan_comb chcomb4pchan[] = {
[GSM_PCHAN_CCCH] = NM_CHANC_mainBCCH,
[GSM_PCHAN_CCCH_SDCCH4] = NM_CHANC_BCCHComb,
[GSM_PCHAN_TCH_F] = NM_CHANC_TCHFull,
[GSM_PCHAN_TCH_H] = NM_CHANC_TCHHalf,
[GSM_PCHAN_SDCCH8_SACCH8C] = NM_CHANC_SDCCH,
[GSM_PCHAN_PDCH] = NM_CHANC_IPAC_PDCH,
[GSM_PCHAN_TCH_F_PDCH] = NM_CHANC_IPAC_TCHFull_PDCH,
/* FIXME: bounds check */
};
int abis_nm_chcomb4pchan(enum gsm_phys_chan_config pchan)
{
if (pchan < ARRAY_SIZE(chcomb4pchan))
return chcomb4pchan[pchan];
return -EINVAL;
}
enum abis_nm_chan_comb abis_nm_pchan4chcomb(uint8_t chcomb)
{
int i;
for (i = 0; i < ARRAY_SIZE(chcomb4pchan); i++) {
if (chcomb4pchan[i] == chcomb)
return i;
}
return GSM_PCHAN_NONE;
}