void dfs_print_activity(struct ath_softc *sc)
{
int chan_busy=0, ext_chan_busy=0;
u_int32_t rxclear=0, rxframe=0, txframe=0, cycles=0;
cycles = ath_hal_getMibCycleCountsPct(sc->sc_ah,&rxclear, &rxframe, &txframe);
chan_busy = cycles;
ext_chan_busy = ath_hal_get11nextbusy(sc->sc_ah);
DFS_DPRINTK(sc, ATH_DEBUG_DFS,"cycles=%d rxclear=%d rxframe=%d txframe=%d extchanbusy=%d\n", cycles, rxclear, rxframe, txframe, ext_chan_busy);
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "FILT_OFDM=0x%x FILT_CCK=0x%x\n",(0x00FFFFFF & OS_REG_READ(sc->sc_ah, 0x8124)), (0x00FFFFFF & OS_REG_READ(sc->sc_ah, 0x8128)));
return;
}
int ath_ald_collect_data(ath_dev_t dev, ath_ald_t ald_data)
{
u_int32_t cu = 0; /* cu: channel utilization; cc: channel capacity */
u_int32_t msdu_size=0, load=0;
u_int32_t rxclear=0, rxframe=0, txframe=0;
u_int32_t new_phyerr=0, new_ostime=0;
u_int32_t old_phyerr=0, old_ostime=0;
u_int32_t phyerr_rate=0;
u_int32_t tmp = 0;
u_int8_t good;
struct ath_softc *sc = ATH_DEV_TO_SC(dev);
spin_lock(ald_data->ald_lock);
good = ath_hal_getMibCycleCountsPct(sc->sc_ah, &rxclear, &rxframe, &txframe);
if(good) {
cu = rxclear;
}
old_phyerr = ald_data->ald_phyerr;
old_ostime = ald_data->ald_ostime;
new_phyerr = sc->sc_phy_stats[sc->sc_curmode].ast_rx_phyerr;
new_ostime = OS_GET_TIMESTAMP()/1000;
if((new_ostime > old_ostime) && (old_ostime > 0))
phyerr_rate = (new_phyerr - old_phyerr)/(new_ostime - old_ostime);
else
phyerr_rate = 0;
ald_data->ald_phyerr = new_phyerr;
ald_data->ald_ostime = new_ostime;
if(ald_data->ald_unicast_tx_packets != 0 ){
msdu_size = ald_data->ald_unicast_tx_bytes/ald_data->ald_unicast_tx_packets;
}else{
msdu_size = ALD_MSDU_SIZE;
}
ald_data->phyerr_rate = phyerr_rate;
ald_data->msdu_size = msdu_size;
/* currently not in use, the value is not accurate somehow */
if((sc->sc_ald.sc_ald_tbuf != 0) && (sc->sc_ald.sc_ald_tnum != 0)){
tmp = sc->sc_ald.sc_ald_tbuf/sc->sc_ald.sc_ald_tnum;
if (tmp > 0) {
load = sc->sc_txbuf_free*msdu_size/(tmp*1000);
}
}else
load = ALD_MAX_DEV_LOAD;
if (sc->sc_ald.sc_ald_cunum > 0) {
cu = sc->sc_ald.sc_ald_cu / sc->sc_ald.sc_ald_cunum;
}
sc->sc_ald.sc_ald_cu = 0;
sc->sc_ald.sc_ald_cunum = 0;
ald_data->ald_unicast_tx_bytes = 0;
ald_data->ald_unicast_tx_packets = 0;
ald_data->ald_chan_util = cu;
ald_data->ald_dev_load = load;
spin_unlock(ald_data->ald_lock);
sc->sc_ald.sc_ald_tbuf = 0;
sc->sc_ald.sc_ald_tnum = 0;
return 0;
}
