net/mac80211/status.c

117 	 *  (4) we get TX status before having processed the frame and
122 	 * even at the same time because we queue both TX status events and
124 	 * same order that they were received or TX status last. Hence, there
126 	 * status, which drivers can ensure, see below.
135 	 *  (a) don't mix the irq-safe/not irq-safe TX status/RX processing
137 	 *  (b) always process RX events before TX status events if ordering
138 	 *      can be unknown, for example with different interrupt status
142 	 *      changes before calling TX status events if ordering can be
210 				     struct ieee80211_tx_status *status)
215 	if (status && status->n_rates)
216 		status_rate = &status->rates[status->n_rates - 1];
226 	else if (info->status.rates[0].idx >= 0 &&
227 		 !(info->status.rates[0].flags &
246 	} else if (info->status.rates[0].idx >= 0) {
247 		if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS)
249 		else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS)
260 				 struct ieee80211_tx_status *status)
270 	if (status && status->n_rates)
271 		status_rate = &status->rates[status->n_rates - 1];
298 	} else if (info->status.rates[0].idx >= 0 &&
299 		 !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
305 			sband->bitrates[info->status.rates[0].idx].bitrate;
321 	if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
323 	if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
470 	if (status_rate || info->status.rates[0].idx < 0)
475 	if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS) {
480 		if (info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
482 		if (info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
484 		if (info->status.rates[0].flags & IEEE80211_TX_RC_GREEN_FIELD)
486 		pos[2] = info->status.rates[0].idx;
488 	} else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) {
503 		if (info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
508 		if (info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
510 		else if (info->status.rates[0].flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
512 		else if (info->status.rates[0].flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
519 		*pos = (ieee80211_rate_get_vht_mcs(&info->status.rates[0]) << 4) |
520 			ieee80211_rate_get_vht_nss(&info->status.rates[0]);
612 			!!(info->status.flags & IEEE80211_TX_STATUS_ACK_SIGNAL_VALID);
613 		struct cfg80211_tx_status status = {
622 			status.tx_tstamp =
624 			status.ack_tstamp = ktime_to_ns(ack_hwtstamp);
641 						      info->status.ack_signal,
646 							    &status,
649 				pr_warn("Unknown status report in ack skb\n");
681 		 "bad SMPS status link: %d\n", link_id))
691 	 * and we have to be associated to have a status from the
836 	/* This packet was aggregated but doesn't carry status info */
874 			/* just the first aggr frame carry status info */
875 			info->status.rates[i].idx = -1;
876 			info->status.rates[i].count = 0;
878 		} else if (info->status.rates[i].idx < 0) {
882 			info->status.rates[i].idx = -1;
883 			info->status.rates[i].count = 0;
887 		count += info->status.rates[i].count;
899 			  struct ieee80211_tx_status *status)
908 	rtap_len = ieee80211_tx_radiotap_len(info, status);
915 					 rtap_len, status);
955 				  struct ieee80211_tx_status *status,
958 	struct sk_buff *skb = status->skb;
961 	struct ieee80211_tx_info *info = status->info;
972 	if (status->sta) {
973 		sta = container_of(status->sta, struct sta_info, sta);
992 				info->status.rates[rates_idx];
1089 	ieee80211_report_used_skb(local, skb, false, status->ack_hwtstamp);
1103 		if (status->free_list)
1104 			list_add_tail(&skb->list, status->free_list);
1112 			     send_to_cooked, status);
1119 	struct ieee80211_tx_status status = {
1129 		status.sta = &sta->sta;
1131 	ieee80211_tx_status_ext(hw, &status);
1137 			     struct ieee80211_tx_status *status)
1140 	struct ieee80211_tx_info *info = status->info;
1141 	struct ieee80211_sta *pubsta = status->sta;
1142 	struct sk_buff *skb = status->skb;
1151 		if (status->n_rates)
1153 				status->rates[status->n_rates - 1].rate_idx;
1168 	if (!status->info)
1176 		!!(info->status.flags & IEEE80211_TX_STATUS_ACK_SIGNAL_VALID);
1189 							acked, info->status.tx_time);
1207 							 (s8)info->status.ack_signal;
1210 							    -info->status.ack_signal);
1227 		rate_control_tx_status(local, status);
1229 			ieee80211s_update_metric(local, sta, status);
1233 		return __ieee80211_tx_status(hw, status, rates_idx,
1252 	ieee80211_report_used_skb(local, skb, false, status->ack_hwtstamp);
1253 	if (status->free_list)
1254 		list_add_tail(&skb->list, status->free_list);
1266 	struct ieee80211_tx_status status = {
1271 	rate_control_tx_status(local, &status);
1274 		sta->deflink.tx_stats.last_rate = info->status.rates[0];