net/mac80211/rate.c

31 void rate_control_rate_init(struct sta_info *sta)
33 	struct ieee80211_local *local = sta->sdata->local;
34 	struct rate_control_ref *ref = sta->rate_ctrl;
35 	struct ieee80211_sta *ista = &sta->sta;
36 	void *priv_sta = sta->rate_ctrl_priv;
40 	ieee80211_sta_init_nss(&sta->deflink);
47 	chanctx_conf = rcu_dereference(sta->sdata->vif.bss_conf.chanctx_conf);
57 		ieee80211_s1g_sta_rate_init(sta);
62 	spin_lock_bh(&sta->rate_ctrl_lock);
65 	spin_unlock_bh(&sta->rate_ctrl_lock);
67 	set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
74 	struct sta_info *sta = container_of(st->sta, struct sta_info, sta);
75 	void *priv_sta = sta->rate_ctrl_priv;
78 	if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
83 	spin_lock_bh(&sta->rate_ctrl_lock);
87 		ref->ops->tx_status(ref->priv, sband, st->sta, priv_sta, st->skb);
91 	spin_unlock_bh(&sta->rate_ctrl_lock);
96 			      struct sta_info *sta, unsigned int link_id,
100 	struct ieee80211_sta *ista = &sta->sta;
101 	void *priv_sta = sta->rate_ctrl_priv;
109 		chanctx_conf = rcu_dereference(sta->sdata->vif.bss_conf.chanctx_conf);
115 		spin_lock_bh(&sta->rate_ctrl_lock);
118 		spin_unlock_bh(&sta->rate_ctrl_lock);
122 	if (sta->uploaded)
123 		drv_sta_rc_update(local, sta->sdata, &sta->sta, changed);
348 				    struct ieee80211_sta *sta,
374 		if (!rate_supported(sta, sband->band, i))
381 		  "no supported rates for sta %pM (0x%x, band %d) in rate_mask 0x%x with flags 0x%x\n",
382 		  sta ? sta->addr : NULL,
383 		  sta ? sta->deflink.supp_rates[sband->band] : -1,
400 	struct sta_info *sta;
416 			sta = container_of(pubsta, struct sta_info, sta);
417 			if (ieee80211_vif_is_mesh(&sta->sdata->vif))
718 static void rate_control_fill_sta_table(struct ieee80211_sta *sta,
726 	if (sta && !info->control.skip_table)
727 		ratetbl = rcu_dereference(sta->rates);
729 	/* Fill remaining rate slots with data from the sta rate table. */
758 				  struct ieee80211_sta *sta, u32 *mask,
788 	if (sta) {
793 		*mask &= sta->deflink.supp_rates[sband->band];
795 			mcs_mask[i] &= sta->deflink.ht_cap.mcs.rx_mask[i];
797 		sta_vht_cap = sta->deflink.vht_cap.vht_mcs.rx_mcs_map;
807 rate_control_apply_mask_ratetbl(struct sta_info *sta,
817 	if (!rate_control_cap_mask(sta->sdata, sband, &sta->sta, &mask,
821 	chan_width = sta->sdata->vif.bss_conf.chanreq.oper.width;
833 				    struct ieee80211_sta *sta,
849 	if (!rate_control_cap_mask(sdata, sband, sta, &mask, mcs_mask,
872 			    struct ieee80211_sta *sta,
882 	rate_control_fill_sta_table(sta, info, dest, max_rates);
891 		rate_control_apply_mask(sdata, sta, sband, dest, max_rates);
897 		__rate_control_send_low(&sdata->local->hw, sband, sta, info,
900 	if (sta)
906 			   struct sta_info *sta,
921 	if (rate_control_send_low(sta ? &sta->sta : NULL, txrc))
927 	if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
928 		ista = &sta->sta;
929 		priv_sta = sta->rate_ctrl_priv;
933 		spin_lock_bh(&sta->rate_ctrl_lock);
935 		spin_unlock_bh(&sta->rate_ctrl_lock);
952 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
956 	sband = ieee80211_get_sband(sta->sdata);
959 	rate_control_apply_mask_ratetbl(sta, sband, rates);
971 	if (sta->uploaded)
972 		drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta);
974 	ieee80211_sta_set_expected_throughput(pubsta, sta_get_expected_throughput(sta));