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Create request channel reason to see channel requests originating from PAG

This commit is contained in:
Harald Welte 2008-12-29 04:08:28 +00:00
parent d35b6a7b12
commit e14a57cc0e
3 changed files with 40 additions and 0 deletions
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1
include/openbsc/gsm_04_08.h
View File

@ -344,6 +344,7 @@ int gsm0408_rcvmsg(struct msgb *msg);
void gsm0408_generate_lai(struct gsm48_loc_area_id *lai48, u_int16_t mcc,
u_int16_t mnc, u_int16_t lac);
enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra);
enum gsm_chreq_reason_t get_reason_by_chreq(struct gsm_bts *bts, u_int8_t ra);
#endif

10
include/openbsc/gsm_data.h
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@ -60,6 +60,16 @@ enum gsm_chan_t {
GSM_LCHAN_UNKNOWN,
};
/* Channel Request reason */
enum gsm_chreq_reason_t {
GSM_CHREQ_REASON_EMERG,
GSM_CHREQ_REASON_PAG,
GSM_CHREQ_REASON_CALL,
GSM_CHREQ_REASON_LOCATION_UPD,
GSM_CHREQ_REASON_OTHER,
};
struct gsm_lchan {
/* The TS that we're part of */
struct gsm_bts_trx_ts *ts;

29
src/gsm_04_08.c
View File

@ -688,6 +688,21 @@ static const enum gsm_chan_t ctype_by_chreq[] = {
[CHREQ_T_PAG_R_TCH_FH] = GSM_LCHAN_TCH_F,
};
static const enum gsm_chreq_reason_t reason_by_chreq[] = {
[CHREQ_T_EMERG_CALL] = GSM_CHREQ_REASON_EMERG,
[CHREQ_T_CALL_REEST_TCH_F] = GSM_CHREQ_REASON_CALL,
[CHREQ_T_CALL_REEST_TCH_H] = GSM_CHREQ_REASON_CALL,
[CHREQ_T_CALL_REEST_TCH_H_DBL] = GSM_CHREQ_REASON_CALL,
[CHREQ_T_SDCCH] = GSM_CHREQ_REASON_OTHER,
[CHREQ_T_TCH_F] = GSM_CHREQ_REASON_OTHER,
[CHREQ_T_VOICE_CALL_TCH_H] = GSM_CHREQ_REASON_OTHER,
[CHREQ_T_DATA_CALL_TCH_H] = GSM_CHREQ_REASON_OTHER,
[CHREQ_T_LOCATION_UPD] = GSM_CHREQ_REASON_LOCATION_UPD,
[CHREQ_T_PAG_R_ANY] = GSM_CHREQ_REASON_PAG,
[CHREQ_T_PAG_R_TCH_F] = GSM_CHREQ_REASON_PAG,
[CHREQ_T_PAG_R_TCH_FH] = GSM_CHREQ_REASON_PAG,
};
enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra)
{
int i;
@ -701,3 +716,17 @@ enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra)
fprintf(stderr, "Unknown CHANNEL REQUEST RQD 0x%02x\n", ra);
return GSM_LCHAN_SDCCH;
}
enum gsm_chreq_reason_t get_reason_by_chreq(struct gsm_bts *bts, u_int8_t ra)
{
int i;
/* FIXME: determine if we set NECI = 0 in the BTS SI4 */
for (i = 0; i < ARRAY_SIZE(chreq_type_neci0); i++) {
const struct chreq *chr = &chreq_type_neci0[i];
if ((ra & chr->mask) == chr->val)
return reason_by_chreq[chr->type];
}
fprintf(stderr, "Unknown CHANNEL REQUEST REASON 0x%02x\n", ra);
return GSM_CHREQ_REASON_OTHER;
}