diff options
Diffstat (limited to 'openbsc/src/gsm_data.c')
| -rw-r--r-- | openbsc/src/gsm_data.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c index 88de4c462..12f439be2 100644 --- a/openbsc/src/gsm_data.c +++ b/openbsc/src/gsm_data.c @@ -167,6 +167,14 @@ struct gsm_bts *gsm_bts_alloc(struct gsm_network *net, enum gsm_bts_type type, bts->num_trx = 0; INIT_LLIST_HEAD(&bts->trx_list); bts->ms_max_power = 15; /* dBm */ + bts->si_common.cell_sel_par.cell_resel_hyst = 2; /* 4 dB */ + bts->si_common.cell_sel_par.rxlev_acc_min = 0; + bts->si_common.neigh_list.data = bts->si_common.data.neigh_list; + bts->si_common.neigh_list.data_len = + sizeof(bts->si_common.data.neigh_list); + bts->si_common.cell_alloc.data = bts->si_common.data.cell_alloc; + bts->si_common.cell_alloc.data_len = + sizeof(bts->si_common.data.cell_alloc); for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) { bts->gprs.nsvc[i].bts = bts; @@ -202,6 +210,14 @@ struct gsm_network *gsm_network_init(u_int16_t country_code, u_int16_t network_c net->T3113 = GSM_T3113_DEFAULT; /* FIXME: initialize all other timers! */ + /* default set of handover parameters */ + net->handover.win_rxlev_avg = 10; + net->handover.win_rxqual_avg = 1; + net->handover.win_rxlev_avg_neigh = 10; + net->handover.pwr_interval = 6; + net->handover.pwr_hysteresis = 3; + net->handover.max_distance = 9999; + INIT_LLIST_HEAD(&net->trans_list); INIT_LLIST_HEAD(&net->upqueue); INIT_LLIST_HEAD(&net->bts_list); @@ -226,6 +242,25 @@ struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num) return NULL; } +/* Get reference to a neighbor cell on a given BCCH ARFCN */ +struct gsm_bts *gsm_bts_neighbor(const struct gsm_bts *bts, + u_int16_t arfcn, u_int8_t bsic) +{ + struct gsm_bts *neigh; + /* FIXME: use some better heuristics here to determine which cell + * using this ARFCN really is closest to the target cell. For + * now we simply assume that each ARFCN will only be used by one + * cell */ + + llist_for_each_entry(neigh, &bts->network->bts_list, list) { + if (neigh->c0->arfcn == arfcn && + neigh->bsic == bsic) + return neigh; + } + + return NULL; +} + struct gsm_bts_trx *gsm_bts_trx_num(struct gsm_bts *bts, int num) { struct gsm_bts_trx *trx; @@ -365,3 +400,39 @@ const char *gsm_auth_policy_name(enum gsm_auth_policy policy) return gsm_auth_policy_names[policy]; } +static const char *rrlp_mode_names[] = { + [RRLP_MODE_NONE] = "none", + [RRLP_MODE_MS_BASED] = "ms-based", + [RRLP_MODE_MS_PREF] = "ms-preferred", + [RRLP_MODE_ASS_PREF] = "ass-preferred", +}; + +enum rrlp_mode rrlp_mode_parse(const char *arg) +{ + int i; + for (i = 0; i < ARRAY_SIZE(rrlp_mode_names); i++) { + if (!strcmp(arg, rrlp_mode_names[i])) + return i; + } + return RRLP_MODE_NONE; +} + +const char *rrlp_mode_name(enum rrlp_mode mode) +{ + if (mode > ARRAY_SIZE(rrlp_mode_names)) + return "none"; + return rrlp_mode_names[mode]; +} + +struct gsm_meas_rep *lchan_next_meas_rep(struct gsm_lchan *lchan) +{ + struct gsm_meas_rep *meas_rep; + + meas_rep = &lchan->meas_rep[lchan->meas_rep_idx]; + memset(meas_rep, 0, sizeof(*meas_rep)); + meas_rep->lchan = lchan; + lchan->meas_rep_idx = (lchan->meas_rep_idx + 1) + % ARRAY_SIZE(lchan->meas_rep); + + return meas_rep; +} |