Lines Matching full:ssc

415 pick_sample_rate(struct sample_softc *ssc , struct ath_node *an,
475 		if (sn->stats[size_bin][rix].successive_failures > ssc->max_successive_failures &&
476 		    ticks - sn->stats[size_bin][rix].last_tx < ssc->stale_failure_timeout) {
669 	struct sample_softc *ssc = ATH_SOFTC_SAMPLE(sc);
750 	    (sn->packets_since_sample[size_bin]*ssc->sample_rate/100)) {
751 		rix = pick_sample_rate(ssc, an, rt, size_bin);
785 		} else if (ticks - ssc->min_switch > sn->ticks_since_switch[size_bin]) {
790 			    __func__, ticks - ssc->min_switch, sn->ticks_since_switch[size_bin]);
970 	struct sample_softc *ssc = ATH_SOFTC_SAMPLE(sc);
1010 	if (sn->stats[size_bin][rix0].total_packets < ssc->smoothing_minpackets) {
1018 			((sn->stats[size_bin][rix0].average_tx_time * ssc->smoothing_rate) + 
1019 			 (tt * (100 - ssc->smoothing_rate))) / 100;
1040 	    ssc->smoothing_minpackets) {
1048 			((sn->stats[size_bin][rix0].ewma_pct * ssc->smoothing_rate) +
1049 			 (pct * (100 - ssc->smoothing_rate))) / 100;
1588 	struct sample_softc *ssc = arg1;
1591 	rate = ssc->smoothing_rate;
1597 	ssc->smoothing_rate = rate;
1598 	ssc->smoothing_minpackets = 100 / (100 - rate);
1605 	struct sample_softc *ssc = arg1;
1608 	rate = ssc->sample_rate;
1614 	ssc->sample_rate = rate;
1619 ath_rate_sysctlattach(struct ath_softc *sc, struct sample_softc *ssc)
1626 	    ssc, 0, ath_rate_sysctl_smoothing_rate, "I",
1630 	    ssc, 0, ath_rate_sysctl_sample_rate, "I",
1641 	struct sample_softc *ssc;
1643 	ssc = malloc(sizeof(struct sample_softc), M_DEVBUF, M_NOWAIT|M_ZERO);
1644 	if (ssc == NULL)
1646 	ssc->arc.arc_space = sizeof(struct sample_node);
1647 	ssc->smoothing_rate = 75;		/* ewma percentage ([0..99]) */
1648 	ssc->smoothing_minpackets = 100 / (100 - ssc->smoothing_rate);
1649 	ssc->sample_rate = 10;			/* %time to try diff tx rates */
1650 	ssc->max_successive_failures = 3;	/* threshold for rate sampling*/
1651 	ssc->stale_failure_timeout = 10 * hz;	/* 10 seconds */
1652 	ssc->min_switch = hz;			/* 1 second */
1653 	ath_rate_sysctlattach(sc, ssc);
1654 	return &ssc->arc;
1660 	struct sample_softc *ssc = (struct sample_softc *) arc;
1662 	free(ssc, M_DEVBUF);