157 rssadapt_updatestats(struct ieee80211_rssadapt_node *ra)  in rssadapt_updatestats()  argument
161 	ra->ra_pktrate = (ra->ra_pktrate + 10*(ra->ra_nfail + ra->ra_nok))/2;  in rssadapt_updatestats()
162 	ra->ra_nfail = ra->ra_nok = 0;  in rssadapt_updatestats()
168 	interval = MAX(10*1000, 10*1000 / MAX(1, 10 * ra->ra_pktrate));  in rssadapt_updatestats()
169 	ra->ra_raise_interval = msecs_to_ticks(interval);  in rssadapt_updatestats()
175 	struct ieee80211_rssadapt_node *ra;  in rssadapt_node_init()  local
187 		ni->ni_rctls = ra =   in rssadapt_node_init()
190 		if (ra == NULL) {  in rssadapt_node_init()
196 		ra = ni->ni_rctls;  in rssadapt_node_init()
197 	ra->ra_rs = rsa;  in rssadapt_node_init()
198 	ra->ra_rates = *rs;  in rssadapt_node_init()
199 	rssadapt_updatestats(ra);  in rssadapt_node_init()
202 	for (ra->ra_rix = rs->rs_nrates - 1;  in rssadapt_node_init()
203 	     ra->ra_rix > 0 && (rs->rs_rates[ra->ra_rix] & IEEE80211_RATE_VAL) > 72;  in rssadapt_node_init()
204 	     ra->ra_rix--)  in rssadapt_node_init()
206 	ni->ni_txrate = rs->rs_rates[ra->ra_rix] & IEEE80211_RATE_VAL;  in rssadapt_node_init()
207 	ra->ra_ticks = ticks;  in rssadapt_node_init()
238 	struct ieee80211_rssadapt_node *ra = ni->ni_rctls;  in rssadapt_rate()  local
245 	if (!ra)  in rssadapt_rate()
251 	rs = &ra->ra_rates;  in rssadapt_rate()
252 	if ((ticks - ra->ra_ticks) > ra->ra_rs->interval) {  in rssadapt_rate()
253 		rssadapt_updatestats(ra);  in rssadapt_rate()
254 		ra->ra_ticks = ticks;  in rssadapt_rate()
257 	thrs = &ra->ra_rate_thresh[bucket(pktlen)];  in rssadapt_rate()
264 	if (rix != ra->ra_rix) {  in rssadapt_rate()
267 		ra->ra_rix = rix;  in rssadapt_rate()
283 rssadapt_lower_rate(struct ieee80211_rssadapt_node *ra, int pktlen, int rssi)  in rssadapt_lower_rate()  argument
289 	thrs = &ra->ra_rate_thresh[bucket(pktlen)];  in rssadapt_lower_rate()
291 	rix = ra->ra_rix;  in rssadapt_lower_rate()
296 	IEEE80211_DPRINTF(ra->ra_rs->vap, IEEE80211_MSG_RATECTL,  in rssadapt_lower_rate()
298 	    ra->ra_rates.rs_rates[rix + 1] & IEEE80211_RATE_VAL,  in rssadapt_lower_rate()
303 rssadapt_raise_rate(struct ieee80211_rssadapt_node *ra, int pktlen, int rssi)  in rssadapt_raise_rate()  argument
309 	thrs = &ra->ra_rate_thresh[bucket(pktlen)];  in rssadapt_raise_rate()
311 	rix = ra->ra_rix;  in rssadapt_raise_rate()
321 		IEEE80211_DPRINTF(ra->ra_rs->vap, IEEE80211_MSG_RATECTL,  in rssadapt_raise_rate()
323 		    ra->ra_rates.rs_rates[rix + 1] & IEEE80211_RATE_VAL,  in rssadapt_raise_rate()
326 		ra->ra_last_raise = ticks;  in rssadapt_raise_rate()
334 	struct ieee80211_rssadapt_node *ra = ni->ni_rctls;  in rssadapt_tx_complete()  local
337 	if (!ra)  in rssadapt_tx_complete()
349 		ra->ra_nok++;  in rssadapt_tx_complete()
350 		if ((ra->ra_rix + 1) < ra->ra_rates.rs_nrates &&  in rssadapt_tx_complete()
351 		    (ticks - ra->ra_last_raise) >= ra->ra_raise_interval)  in rssadapt_tx_complete()
352 			rssadapt_raise_rate(ra, pktlen, rssi);  in rssadapt_tx_complete()
354 		ra->ra_nfail++;  in rssadapt_tx_complete()
355 		rssadapt_lower_rate(ra, pktlen, rssi);  in rssadapt_tx_complete()