Cross Reference: /src/sys/dev/ic/athrate-amrr.c

Lines Matching defs:RATE
50  * AMRR rate control. See:
52  * "IEEE 802.11 Rate Adaptation: A Practical Approach" by
93 static	int ath_rateinterval = 1000;		/* rate ctl interval (ms)  */
99 			int rate);
192  * The code below assumes that we are dealing with hardware multi rate retry
198 ath_rate_update(struct ath_softc *sc, struct ieee80211_node *ni, int rate)
205 	KASSERTMSG(rt != NULL, "no rate table, mode %u", sc->sc_curmode);
207 	DPRINTF(sc, "%s: set xmit rate for %s to %dM\n",
210 		(ni->ni_rates.rs_rates[rate] & IEEE80211_RATE_VAL) / 2 : 0);
212 	ni->ni_txrate = rate;
214 	 * Before associating a node has no rate set setup
218 	 * lowest hardware rate.
222 					       ni->ni_rates.rs_rates[rate] & IEEE80211_RATE_VAL];
231 			if (--rate >= 0) {
233 						    ni->ni_rates.rs_rates[rate]&IEEE80211_RATE_VAL];
240 			if (--rate >= 0) {
242 						    ni->ni_rates.rs_rates[rate]&IEEE80211_RATE_VAL];
249 			if (rate > 0) {
274  * Set the starting transmit rate for a node.
279 #define	RATE(_ix)	(ni->ni_rates.rs_rates[(_ix)] & IEEE80211_RATE_VAL)
286 		 * No fixed rate is requested. For 11b start with
287 		 * the highest negotiated rate; otherwise, for 11g
293 			 * Scan the negotiated rate set to find the
294 			 * closest rate.
296 			/* NB: the rate set is assumed sorted */
297 			for (; srate >= 0 && RATE(srate) > 72; srate--)
299 			KASSERTMSG(srate >= 0, "bogus rate set");
303 		 * A fixed rate is to be used; ic_fixed_rate is an
304 		 * index into the supported rate set.  Convert this
305 		 * to the index into the negotiated rate set for
306 		 * the node.  We know the rate is there because the
307 		 * rate set is checked when the station associates.
312 		/* NB: the rate set is assumed sorted */
314 		for (; srate >= 0 && RATE(srate) != r; srate--)
317 			"fixed rate %d not in rate set", ic->ic_fixed_rate);
320 #undef RATE
332  * Reset the rate control state for each 802.11 state transition.
361 		 * tx rate state of each node.
370 		 * Start the background rate control thread if we
371 		 * are not configured to use a fixed xmit rate.
382  * Examine and potentially adjust the transmit rate.
417 			DPRINTF (sc, "increase rate to %d\n", ni->ni_txrate);
429  				DPRINTF (sc, "decrease rate recovery thr: %d\n", amn->amn_success_threshold);
433  				DPRINTF (sc, "decrease rate normal thr: %d\n", amn->amn_success_threshold);
487 		"rate control: operation interval (ms)");
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