net/mac80211/rate.c

301 		  "no overlap between basic rates (0x%x) and user mask (0x%x on band %d) - clearing the latter",
330 		return; /* assume basic rates unknown and accept rate */
357 		info->control.rates[0].flags |= IEEE80211_TX_RC_S1G_MCS;
358 		info->control.rates[0].idx = 0;
366 	info->control.rates[0].idx = 0;
377 		info->control.rates[0].idx = i;
381 		  "no supported rates for sta %pM (0x%x, band %d) in rate_mask 0x%x with flags 0x%x\n",
387 	info->control.rates[0].count =
411 				info->control.rates[0].idx = mcast_rate - 1;
422 			rc_send_low_basicrate(&info->control.rates[0],
538 		/* handle VHT rates */
555 		/* also try the legacy rates. */
562 		/* handle HT rates */
566 		/* also try the legacy rates. */
576 		/* handle legacy rates */
581 		/* if HT BSS, and we handle a data frame, also try HT rates */
609 	 * configure supported rates and TX rate mask in incompatible way,
618 				struct ieee80211_tx_rate *rates,
631 	 * XXX: Should this check all retry rates?
633 	if (!(rates[0].flags &
638 		rate = &sband->bitrates[rates[0].idx];
663 			rates[i].idx = -1;
666 		if (rates[i].idx < 0) {
675 		if (rates[i].flags & IEEE80211_TX_RC_MCS) {
676 			WARN_ON(rates[i].idx > 76);
678 			if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
680 				rates[i].flags |=
685 		if (rates[i].flags & IEEE80211_TX_RC_VHT_MCS) {
686 			WARN_ON(ieee80211_rate_get_vht_mcs(&rates[i]) > 9);
692 			rates[i].flags |= IEEE80211_TX_RC_USE_RTS_CTS;
697 		if (WARN_ON_ONCE(rates[i].idx >= sband->n_bitrates)) {
698 			rates[i].idx = -1;
702 		rate = &sband->bitrates[rates[i].idx];
707 			rates[i].flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
710 		if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
713 			rates[i].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
720 					struct ieee80211_tx_rate *rates,
727 		ratetbl = rcu_dereference(sta->rates);
732 		if (i < ARRAY_SIZE(info->control.rates) &&
733 		    info->control.rates[i].idx >= 0 &&
734 		    info->control.rates[i].count) {
735 			if (rates != info->control.rates)
736 				rates[i] = info->control.rates[i];
738 			rates[i].idx = ratetbl->rate[i].idx;
739 			rates[i].flags = ratetbl->rate[i].flags;
741 				rates[i].count = ratetbl->rate[i].count_rts;
743 				rates[i].count = ratetbl->rate[i].count_cts;
745 				rates[i].count = ratetbl->rate[i].count;
747 			rates[i].idx = -1;
748 			rates[i].count = 0;
751 		if (rates[i].idx < 0 || !rates[i].count)
792 		/* Filter out rates that the STA does not support */
809 				struct ieee80211_sta_rates *rates)
823 		if (rates->rate[i].idx < 0)
826 		rate_idx_match_mask(&rates->rate[i].idx, &rates->rate[i].flags,
835 				    struct ieee80211_tx_rate *rates,
846 	 * default mask (allow all rates) is used to save some processing for
860 		/* Skip invalid rates */
861 		if (rates[i].idx < 0)
864 		rate_flags = rates[i].flags;
865 		rate_idx_match_mask(&rates[i].idx, &rate_flags, sband,
867 		rates[i].flags = rate_flags;
916 		info->control.rates[i].idx = -1;
917 		info->control.rates[i].flags = 0;
918 		info->control.rates[i].count = 0;
944 			       info->control.rates,
945 			       ARRAY_SIZE(info->control.rates));
950 			   struct ieee80211_sta_rates *rates)
959 	rate_control_apply_mask_ratetbl(sta, sband, rates);
966 	old = rcu_dereference_protected(pubsta->rates, true);
967 	rcu_assign_pointer(pubsta->rates, rates);