openbsd_wlan/net80211/ieee80211_ra_vht.c

130 ieee80211_ra_vht_use_sgi(struct ieee80211_node *ni)
132 	if ((ni->ni_chan->ic_xflags & IEEE80211_CHANX_160MHZ) &&
133 	    ieee80211_node_supports_vht_chan160(ni)) {
134 		if (ni->ni_flags & IEEE80211_NODE_VHT_SGI160)
138 	if ((ni->ni_chan->ic_xflags & IEEE80211_CHANX_80MHZ) &&
139 	    ieee80211_node_supports_vht_chan80(ni)) {
140 		if (ni->ni_flags & IEEE80211_NODE_VHT_SGI80)
175     struct ieee80211_node *ni)
177 	if (ni->ni_txmcs <= 0)
180 	return ni->ni_txmcs - 1;
216     struct ieee80211_node *ni)
220 	max_mcs = ieee80211_ra_vht_get_max_mcs(ni->ni_vht_rxmcs,
221 	    ni->ni_vht_ss, ieee80211_node_supports_ht_chan40(ni));
223 		panic("ni->ni_vht_ss invalid: %u", ni->ni_vht_ss);
225 	if (ni->ni_txmcs >= max_mcs)
228 	return ni->ni_txmcs + 1;
233     struct ieee80211_node *ni)
237 	int sgi = ieee80211_ra_vht_use_sgi(ni);
238 	int mcs = ni->ni_txmcs;
239 	int nss = ni->ni_vht_ss;
300     struct ieee80211_node *ni, const struct ieee80211_vht_rateset *rsnext)
307 	rs = ieee80211_ra_vht_get_rateset(ni->ni_txmcs, ni->ni_vht_ss, 0, 1,
308 	    ieee80211_ra_vht_use_sgi(ni));
312 	ni->ni_txmcs = 0;
313 	ni->ni_vht_ss = rsnext->num_ss;
329 			ni->ni_txmcs = mcs;
335 		ni->ni_txmcs = ieee80211_ra_vht_best_mcs_in_rateset(rn, rsnext);
338 	rn->candidate_rates[rsnext->num_ss - 1] |= (1 << ni->ni_txmcs);
341 		  (1 << ieee80211_ra_vht_next_intra_rate(rn, ni));
344 		    (1 << ieee80211_ra_vht_next_lower_intra_rate(rn, ni));
351     struct ieee80211_node *ni)
356 		next = ieee80211_ra_vht_next_lower_intra_rate(rn, ni);
358 		next = ieee80211_ra_vht_next_intra_rate(rn, ni);
383     struct ieee80211_node *ni)
389 	int nss = ni->ni_vht_ss;
390 	int sgi = ieee80211_ra_vht_use_sgi(ni);
393 	    (1 << ni->ni_txmcs));
396 	rs = ieee80211_ra_vht_get_rateset(ni->ni_txmcs, nss, 0, 1, sgi);
398 		if (ni->ni_txmcs == 0 ||
400 			ieee80211_ra_vht_trigger_next_rateset(rn, ni);
404 		if (ni->ni_txmcs == rn->max_mcs[nss - 1] ||
406 			ieee80211_ra_vht_trigger_next_rateset(rn, ni);
415 	next_mcs = ieee80211_ra_vht_next_mcs(rn, ni);
416 	if (next_mcs == ni->ni_txmcs) {
417 		ieee80211_ra_vht_trigger_next_rateset(rn, ni);
421 	g = &rn->g[rs->idx][ni->ni_txmcs];
424 		ieee80211_ra_vht_trigger_next_rateset(rn, ni);
430 	if (best_mcs != ni->ni_txmcs) {
432 		    best_mcs < ni->ni_txmcs) {
433 			ieee80211_ra_vht_trigger_next_rateset(rn, ni);
437 		    best_mcs > ni->ni_txmcs) {
438 			ieee80211_ra_vht_trigger_next_rateset(rn, ni);
456     struct ieee80211_node *ni)
460 	rsnext = ieee80211_ra_vht_next_rateset(rn, ni);
462 		ieee80211_ra_vht_probe_next_rateset(rn, ni, rsnext);
470     struct ieee80211_node *ni)
477     struct ieee80211_node *ni)
484 	    ieee80211_ra_vht_use_sgi(ni));
508 			    rs->sgi != ieee80211_ra_vht_use_sgi(ni))
531     struct ieee80211_node *ni)
534 	rn->probed_rates[ni->ni_vht_ss - 1] |= (1 << ni->ni_txmcs);
535 	ni->ni_txmcs = ieee80211_ra_vht_next_mcs(rn, ni);
540     struct ieee80211_node *ni, struct ieee80211_ra_vht_node *rn)
550 		ni_max_mcs = ieee80211_ra_vht_get_max_mcs(ni->ni_vht_rxmcs,
551 		    nss, ieee80211_node_supports_ht_chan40(ni));
579     struct ieee80211com *ic, struct ieee80211_node *ni,
603 	    ieee80211_ra_vht_use_sgi(ni));
616 		    ether_sprintf(ni->ni_macaddr),
627 	    ieee80211_ra_vht_use_sgi(ni));
646     struct ieee80211com *ic, struct ieee80211_node *ni)
650 	int sgi = ieee80211_ra_vht_use_sgi(ni);
652 	int nss = ni->ni_vht_ss;
657 		ieee80211_ra_vht_init_valid_rates(ic, ni, rn);
662 	rs = ieee80211_ra_vht_get_rateset(ni->ni_txmcs, nss, 0, 1, sgi);
663 	g = &rn->g[rs->idx][ni->ni_txmcs];
667 		if (!(rn->valid_probes[nss - 1] & (1UL << ni->ni_txmcs))) {
672 		if (!ieee80211_ra_vht_intra_mode_ra_finished(rn, ni)) {
673 			ieee80211_ra_vht_probe_next_rate(rn, ni);
675 			    ni->ni_txmcs, ni->ni_vht_ss));
676 		} else if (ieee80211_ra_vht_inter_mode_ra_finished(rn, ni)) {
677 			ieee80211_ra_vht_best_rate(rn, ni);
678 			ni->ni_txmcs = rn->best_mcs;
679 			ni->ni_vht_ss = rn->best_nss;
690 	rs = ieee80211_ra_vht_get_rateset(ni->ni_txmcs, nss, 0, 1, sgi);
697 		if (ni->ni_txmcs == 0) {
698 			rsnext = ieee80211_ra_vht_next_rateset(rn, ni);
700 				ieee80211_ra_vht_probe_next_rateset(rn, ni,
707 			ni->ni_txmcs = ieee80211_ra_vht_next_mcs(rn, ni);
708 			rn->candidate_rates[nss - 1] = (1 << ni->ni_txmcs);
715 		if (ni->ni_txmcs == rn->max_mcs[nss - 1]) {
716 			rsnext = ieee80211_ra_vht_next_rateset(rn, ni);
718 				ieee80211_ra_vht_probe_next_rateset(rn, ni,
725 			ni->ni_txmcs = ieee80211_ra_vht_next_mcs(rn, ni);
726 			rn->candidate_rates[nss - 1] = (1 << ni->ni_txmcs);