openbsd_wlan/net80211/ieee80211_ra.c

130 ieee80211_ra_use_ht_sgi(struct ieee80211_node *ni)
132 	if ((ni->ni_chan->ic_flags & IEEE80211_CHAN_40MHZ) &&
133 	    ieee80211_node_supports_ht_chan40(ni)) {
134 		if (ni->ni_flags & IEEE80211_NODE_HT_SGI40)
136 	} else if (ni->ni_flags & IEEE80211_NODE_HT_SGI20)
170     struct ieee80211_node *ni)
175 	rs = ieee80211_ra_get_ht_rateset(ni->ni_txmcs,
176 	    ieee80211_node_supports_ht_chan40(ni), ieee80211_ra_use_ht_sgi(ni));
177 	if (ni->ni_txmcs == rs->min_mcs)
180 	next = ni->ni_txmcs;
184 		if (i + rs->min_mcs < ni->ni_txmcs) {
195     struct ieee80211_node *ni)
200 	rs = ieee80211_ra_get_ht_rateset(ni->ni_txmcs,
201 	    ieee80211_node_supports_ht_chan40(ni), ieee80211_ra_use_ht_sgi(ni));
202 	if (ni->ni_txmcs == rs->max_mcs)
205 	next = ni->ni_txmcs;
209 		if (i + rs->min_mcs > ni->ni_txmcs) {
220     struct ieee80211_node *ni)
224 	int chan40 = ieee80211_node_supports_ht_chan40(ni);
225 	int sgi = ieee80211_ra_use_ht_sgi(ni);
226 	int mcs = ni->ni_txmcs;
310     struct ieee80211_node *ni, const struct ieee80211_ht_rateset *rsnext)
317 	rs = ieee80211_ra_get_ht_rateset(ni->ni_txmcs,
318 	    ieee80211_node_supports_ht_chan40(ni), ieee80211_ra_use_ht_sgi(ni));
322 	ni->ni_txmcs = rsnext->min_mcs;
324 		ni->ni_txmcs = ieee80211_ra_next_intra_rate(rn, ni);
341 			ni->ni_txmcs = mcs;
347 		ni->ni_txmcs = rsnext->max_mcs;
350 	rn->candidate_rates |= (1 << ni->ni_txmcs);
353 		  (1 << ieee80211_ra_next_intra_rate(rn, ni));
356 		    (1 << ieee80211_ra_next_lower_intra_rate(rn, ni));
363     struct ieee80211_node *ni)
368 		next = ieee80211_ra_next_lower_intra_rate(rn, ni);
370 		next = ieee80211_ra_next_intra_rate(rn, ni);
379     struct ieee80211_node *ni)
381 	struct ieee80211_ra_goodput_stats *g = &rn->g[ni->ni_txmcs];
398     struct ieee80211_node *ni)
401 	struct ieee80211_ra_goodput_stats *g = &rn->g[ni->ni_txmcs];
404 	int chan40 = ieee80211_node_supports_ht_chan40(ni);
405 	int sgi = ieee80211_ra_use_ht_sgi(ni);
407 	rn->probed_rates = (rn->probed_rates | (1 << ni->ni_txmcs));
410 	rs = ieee80211_ra_get_ht_rateset(ni->ni_txmcs, chan40, sgi);
412 		if (ni->ni_txmcs == rs->min_mcs ||
414 			ieee80211_ra_trigger_next_rateset(rn, ni);
418 		if (ni->ni_txmcs == rs->max_mcs ||
420 			ieee80211_ra_trigger_next_rateset(rn, ni);
429 	next_mcs = ieee80211_ra_next_mcs(rn, ni);
430 	if (next_mcs == ni->ni_txmcs) {
431 		ieee80211_ra_trigger_next_rateset(rn, ni);
437 		ieee80211_ra_trigger_next_rateset(rn, ni);
443 	if (best_mcs != ni->ni_txmcs && (rn->probed_rates & (1 << best_mcs))) {
445 		    best_mcs < ni->ni_txmcs) {
446 			ieee80211_ra_trigger_next_rateset(rn, ni);
450 		    best_mcs > ni->ni_txmcs) {
451 			ieee80211_ra_trigger_next_rateset(rn, ni);
468     struct ieee80211_node *ni)
472 	rsnext = ieee80211_ra_next_rateset(rn, ni);
474 		ieee80211_ra_probe_next_rateset(rn, ni, rsnext);
482     struct ieee80211_node *ni)
489     struct ieee80211_node *ni)
523     struct ieee80211_node *ni)
526 	rn->probed_rates |= (1 << ni->ni_txmcs);
527 	ni->ni_txmcs = ieee80211_ra_next_mcs(rn, ni);
546 ieee80211_ra_valid_rates(struct ieee80211com *ic, struct ieee80211_node *ni)
552 		if (!isset(ni->ni_rxmcs, i))
579     struct ieee80211com *ic, struct ieee80211_node *ni,
611 		    ether_sprintf(ni->ni_macaddr),
622 	    ieee80211_node_supports_ht_chan40(ni),
623 	    ieee80211_ra_use_ht_sgi(ni));
642     struct ieee80211_node *ni)
644 	struct ieee80211_ra_goodput_stats *g = &rn->g[ni->ni_txmcs];
646 	int chan40 = ieee80211_node_supports_ht_chan40(ni);
647 	int sgi = ieee80211_ra_use_ht_sgi(ni);
653 		rn->valid_rates = ieee80211_ra_valid_rates(ic, ni);
657 		if (!(rn->valid_probes & (1UL << ni->ni_txmcs))) {
661 		ieee80211_ra_probe_clear(rn, ni);
662 		if (!ieee80211_ra_intra_mode_ra_finished(rn, ni)) {
663 			ieee80211_ra_probe_next_rate(rn, ni);
664 			DPRINTFN(3, ("probing MCS %d\n", ni->ni_txmcs));
665 		} else if (ieee80211_ra_inter_mode_ra_finished(rn, ni)) {
666 			rn->best_mcs = ieee80211_ra_best_rate(rn, ni);
667 			ni->ni_txmcs = rn->best_mcs;
677 	rs = ieee80211_ra_get_ht_rateset(ni->ni_txmcs, chan40, sgi);
684 		if (ni->ni_txmcs == rs->min_mcs) {
685 			rsnext = ieee80211_ra_next_rateset(rn, ni);
687 				ieee80211_ra_probe_next_rateset(rn, ni,
694 			ni->ni_txmcs = ieee80211_ra_next_mcs(rn, ni);
695 			rn->candidate_rates = (1 << ni->ni_txmcs);
702 		if (ni->ni_txmcs == rs->max_mcs) {
703 			rsnext = ieee80211_ra_next_rateset(rn, ni);
705 				ieee80211_ra_probe_next_rateset(rn, ni,
712 			ni->ni_txmcs = ieee80211_ra_next_mcs(rn, ni);
713 			rn->candidate_rates = (1 << ni->ni_txmcs);