Lines Matching refs:mi
63 rix_to_ndx(struct minstrel_sta_info *mi, int rix)
67 if (mi->r[i].rix == rix)
93 minstrel_sort_best_tp_rates(struct minstrel_sta_info *mi, int i, u8 *tp_list)
97 struct minstrel_rate_stats *cur_mrs = &mi->r[i].stats;
100 tmp_mrs = &mi->r[tp_list[j - 1]].stats;
101 if (minstrel_get_tp_avg(&mi->r[i], cur_mrs->prob_avg) <=
102 minstrel_get_tp_avg(&mi->r[tp_list[j - 1]], tmp_mrs->prob_avg))
113 minstrel_set_rate(struct minstrel_sta_info *mi, struct ieee80211_sta_rates *ratetbl,
116 struct minstrel_rate *r = &mi->r[idx];
125 minstrel_update_rates(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
135 minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[0]);
139 minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[1]);
144 minstrel_set_rate(mi, ratetbl, i++, mi->max_prob_rate);
148 ratetbl->rate[i].idx = mi->lowest_rix;
153 rate_control_set_rates(mp->hw, mi->sta, ratetbl);
192 minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
201 for (i = 0; i < mi->n_rates; i++) {
202 struct minstrel_rate *mr = &mi->r[i];
203 struct minstrel_rate_stats *mrs = &mi->r[i].stats;
204 struct minstrel_rate_stats *tmp_mrs = &mi->r[tmp_prob_rate].stats;
224 minstrel_sort_best_tp_rates(mi, i, tmp_tp_rate);
234 tmp_prob_tp = minstrel_get_tp_avg(&mi->r[tmp_prob_rate],
245 memcpy(mi->max_tp_rate, tmp_tp_rate, sizeof(mi->max_tp_rate));
246 mi->max_prob_rate = tmp_prob_rate;
251 mi->max_tp_rate[0] = mp->fixed_rate_idx;
252 mi->max_tp_rate[1] = mp->fixed_rate_idx;
253 mi->max_prob_rate = mp->fixed_rate_idx;
258 mi->last_stats_update = jiffies;
260 minstrel_update_rates(mp, mi);
269 struct minstrel_sta_info *mi = priv_sta;
280 ndx = rix_to_ndx(mi, ar[i].idx);
284 mi->r[ndx].stats.attempts += ar[i].count;
287 mi->r[ndx].stats.success += success;
290 if (time_after(jiffies, mi->last_stats_update +
292 minstrel_update_stats(mp, mi);
311 minstrel_get_next_sample(struct minstrel_sta_info *mi)
314 sample_ndx = SAMPLE_TBL(mi, mi->sample_row, mi->sample_column);
315 mi->sample_row++;
316 if ((int) mi->sample_row >= mi->n_rates) {
317 mi->sample_row = 0;
318 mi->sample_column++;
319 if (mi->sample_column >= SAMPLE_COLUMNS)
320 mi->sample_column = 0;
331 struct minstrel_sta_info *mi = priv_sta;
351 mi->total_packets++;
363 delta = (mi->total_packets * sampling_ratio / 100) -
364 mi->sample_packets;
367 prev_sample = mi->prev_sample;
368 mi->prev_sample = false;
372 if (mi->total_packets >= 10000) {
373 mi->sample_packets = 0;
374 mi->total_packets = 0;
375 } else if (delta > mi->n_rates * 2) {
385 mi->sample_packets += (delta - mi->n_rates * 2);
389 ndx = minstrel_get_next_sample(mi);
390 msr = &mi->r[ndx];
391 mr = &mi->r[mi->max_tp_rate[0]];
402 mi->sample_packets++;
411 (mi->r[ndx].stats.prob_avg > MINSTREL_FRAC(95, 100)))
414 mi->prev_sample = true;
416 rate->idx = mi->r[ndx].rix;
417 rate->count = minstrel_get_retry_count(&mi->r[ndx], info);
440 init_sample_table(struct minstrel_sta_info *mi)
445 mi->sample_column = 0;
446 mi->sample_row = 0;
447 memset(mi->sample_table, 0xff, SAMPLE_COLUMNS * mi->n_rates);
451 for (i = 0; i < mi->n_rates; i++) {
452 new_idx = (i + rnd[i & 7]) % mi->n_rates;
453 while (SAMPLE_TBL(mi, new_idx, col) != 0xff)
454 new_idx = (new_idx + 1) % mi->n_rates;
456 SAMPLE_TBL(mi, new_idx, col) = i;
466 struct minstrel_sta_info *mi = priv_sta;
473 mi->sta = sta;
474 mi->lowest_rix = rate_lowest_index(sband, sta);
475 ctl_rate = &sband->bitrates[mi->lowest_rix];
476 mi->sp_ack_dur = ieee80211_frame_duration(sband->band, 10,
482 memset(mi->max_tp_rate, 0, sizeof(mi->max_tp_rate));
483 mi->max_prob_rate = 0;
486 struct minstrel_rate *mr = &mi->r[n];
487 struct minstrel_rate_stats *mrs = &mi->r[n].stats;
515 tx_time = mr->perfect_tx_time + mi->sp_ack_dur;
525 tx_time_cts += tx_time_single + mi->sp_ack_dur;
526 tx_time_rtscts += tx_time_single + 2 * mi->sp_ack_dur;
541 struct minstrel_rate *mr = &mi->r[i];
545 mi->n_rates = n;
546 mi->last_stats_update = jiffies;
548 init_sample_table(mi);
549 minstrel_update_rates(mp, mi);
554 struct minstrel_sta_info *mi = priv_sta;
556 int idx = mi->max_tp_rate[0];
562 tmp_mrs = &mi->r[idx].stats;
563 tmp_cur_tp = minstrel_get_tp_avg(&mi->r[idx], tmp_mrs->prob_avg) * 10;