dev/ic/athrate-amrr.c

120 	struct amrr_node *amn = ATH_NODE_AMRR(an);
122 	*rix = amn->amn_tx_rix0;
123 	*try0 = amn->amn_tx_try0;
125 		*txrate = amn->amn_tx_rate0sp;
127 		*txrate = amn->amn_tx_rate0;
134 	struct amrr_node *amn = ATH_NODE_AMRR(an);
137 		, amn->amn_tx_rate1sp, amn->amn_tx_try1	/* series 1 */
138 		, amn->amn_tx_rate2sp, amn->amn_tx_try2	/* series 2 */
139 		, amn->amn_tx_rate3sp, amn->amn_tx_try3	/* series 3 */
147 	struct amrr_node *amn = ATH_NODE_AMRR(an);
152 	amn->amn_tx_try0_cnt++;
154 		amn->amn_tx_try1_cnt++;
156 		amn->amn_tx_try1_cnt++;
157 		amn->amn_tx_try2_cnt++;
159 		amn->amn_tx_try1_cnt++;
160 		amn->amn_tx_try2_cnt++;
161 		amn->amn_tx_try3_cnt++;
163 		amn->amn_tx_try1_cnt++;
164 		amn->amn_tx_try2_cnt++;
165 		amn->amn_tx_try3_cnt++;
166 		amn->amn_tx_failure_cnt++;
178 node_reset (struct amrr_node *amn)
180 	amn->amn_tx_try0_cnt = 0;
181 	amn->amn_tx_try1_cnt = 0;
182 	amn->amn_tx_try2_cnt = 0;
183 	amn->amn_tx_try3_cnt = 0;
184 	amn->amn_tx_failure_cnt = 0;
185   	amn->amn_success = 0;
186   	amn->amn_recovery = 0;
187   	amn->amn_success_threshold = ath_rate_min_success_threshold;
201 	struct amrr_node *amn = ATH_NODE_AMRR(an);
221 		amn->amn_tx_rix0 = sc->sc_rixmap[
223 		amn->amn_tx_rate0 = rt->info[amn->amn_tx_rix0].rateCode;
224 		amn->amn_tx_rate0sp = amn->amn_tx_rate0 |
225 			rt->info[amn->amn_tx_rix0].shortPreamble;
227 			amn->amn_tx_try0 = 1;
228 			amn->amn_tx_try1 = 1;
229 			amn->amn_tx_try2 = 1;
230 			amn->amn_tx_try3 = 1;
234 				amn->amn_tx_rate1 = rt->info[rix].rateCode;
235 				amn->amn_tx_rate1sp = amn->amn_tx_rate1 |
238 				amn->amn_tx_rate1 = amn->amn_tx_rate1sp = 0;
243 				amn->amn_tx_rate2 = rt->info[rix].rateCode;
244 				amn->amn_tx_rate2sp = amn->amn_tx_rate2 |
247 				amn->amn_tx_rate2 = amn->amn_tx_rate2sp = 0;
251 				amn->amn_tx_rate3 = rt->info[0].rateCode;
252 				amn->amn_tx_rate3sp =
255 				amn->amn_tx_rate3 = amn->amn_tx_rate3sp = 0;
258 			amn->amn_tx_try0 = ATH_TXMAXTRY;
262 			amn->amn_tx_try1 = 0;
263 			amn->amn_tx_try2 = 0;
264 			amn->amn_tx_try3 = 0;
265 			amn->amn_tx_rate1 = amn->amn_tx_rate1sp = 0;
266 			amn->amn_tx_rate2 = amn->amn_tx_rate2sp = 0;
267 			amn->amn_tx_rate3 = amn->amn_tx_rate3sp = 0;
270 	node_reset (amn);
388 	struct amrr_node *amn = ATH_NODE_AMRR(ATH_NODE (ni));
391 #define is_success(amn) \
392 (amn->amn_tx_try1_cnt  < (amn->amn_tx_try0_cnt/10))
393 #define is_enough(amn) \
394 (amn->amn_tx_try0_cnt > 10)
395 #define is_failure(amn) \
396 (amn->amn_tx_try1_cnt > (amn->amn_tx_try0_cnt/3))
405 		 amn->amn_tx_try0_cnt,
406 		 amn->amn_tx_try1_cnt,
407 		 amn->amn_tx_try2_cnt,
408 		 amn->amn_tx_try3_cnt,
409 		 amn->amn_success_threshold);
410   	if (is_success (amn) && is_enough (amn)) {
411 		amn->amn_success++;
412 		if (amn->amn_success == amn->amn_success_threshold &&
414   			amn->amn_recovery = 1;
415   			amn->amn_success = 0;
419 			amn->amn_recovery = 0;
421   	} else if (is_failure (amn)) {
422   		amn->amn_success = 0;
424   			if (amn->amn_recovery) {
426   				amn->amn_success_threshold *= 2;
427   				amn->amn_success_threshold = min (amn->amn_success_threshold,
429  				DPRINTF (sc, "decrease rate recovery thr: %d\n", amn->amn_success_threshold);
432  				amn->amn_success_threshold = ath_rate_min_success_threshold;
433  				DPRINTF (sc, "decrease rate normal thr: %d\n", amn->amn_success_threshold);
435 			amn->amn_recovery = 0;
438 			amn->amn_recovery = 0;
442 	if (is_enough (amn) || old_rate != ni->ni_txrate) {
444 		amn->amn_tx_try0_cnt = 0;
445 		amn->amn_tx_try1_cnt = 0;
446 		amn->amn_tx_try2_cnt = 0;
447 		amn->amn_tx_try3_cnt = 0;
448 		amn->amn_tx_failure_cnt = 0;