+ default:
+ //DEBUGP(DMM, "Unhandled state change in %s:%d\n", __func__, __LINE__);
+ break;
+ }
+ return 0;
+}
+
+/* Callback function to be called every time we receive a 12.21 SW activated report */
+static int sw_activ_rep(struct msgb *mb)
+{
+ struct abis_om_fom_hdr *foh = (struct abis_om_fom_hdr *)msgb_l3(mb);
+ struct gsm_bts_trx *trx = mb->trx;
+
+ switch (foh->obj_class) {
+ case NM_OC_BASEB_TRANSC:
+ /* TRX software is active, tell it to initiate RSL Link */
+ abis_nm_ipaccess_msg(trx->bts, 0xe0, NM_OC_BASEB_TRANSC,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ nanobts_attr_e0, sizeof(nanobts_attr_e0));
+ abis_nm_opstart(trx->bts, NM_OC_BASEB_TRANSC,
+ trx->bts->bts_nr, trx->nr, 0xff);
+ abis_nm_chg_adm_state(trx->bts, NM_OC_BASEB_TRANSC,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ NM_STATE_UNLOCKED);
+ break;
+ case NM_OC_RADIO_CARRIER:
+ abis_nm_set_radio_attr(trx, nanobts_attr_radio,
+ sizeof(nanobts_attr_radio));
+ abis_nm_opstart(trx->bts, NM_OC_RADIO_CARRIER,
+ trx->bts->bts_nr, trx->nr, 0xff);
+ abis_nm_chg_adm_state(trx->bts, NM_OC_RADIO_CARRIER,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ NM_STATE_UNLOCKED);
+ break;
+ }
+ return 0;
+}
+
+/* Callback function for NACK on the OML NM */
+static int oml_msg_nack(int mt)
+{
+ if (mt == NM_MT_SET_BTS_ATTR_NACK) {
+ fprintf(stderr, "Failed to set BTS attributes. That is fatal. "
+ "Was the bts type and frequency properly specified?\n");
+ exit(-1);
+ }
+
+ return 0;
+}
+
+/* Callback function to be called every time we receive a signal from NM */
+static int nm_sig_cb(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *signal_data)
+{
+ switch (signal) {
+ case S_NM_SW_ACTIV_REP:
+ return sw_activ_rep((struct msgb *)signal_data);
+ case S_NM_NACK:
+ return oml_msg_nack((int)signal_data);
+ default: