Commit a260e495 authored by Felix Fietkau's avatar Felix Fietkau Committed by Johannes Berg
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mac80211: unify 802.3 (offload) and 802.11 tx status codepath



Make ieee80211_tx_status_8023 call ieee80211_tx_status_ext, similar to
ieee80211_tx_status.

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20200908123702.88454-11-nbd@nbd.name


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 9abf4e49
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+28 −64
Original line number Diff line number Diff line
@@ -894,7 +894,6 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
	struct ieee80211_bar *bar;
	int shift = 0;
	int tid = IEEE80211_NUM_TIDS;
	u16 tx_time_est;

	sband = local->hw.wiphy->bands[info->band];
	fc = hdr->frame_control;
@@ -987,17 +986,6 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
		    ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
			ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data,
						acked, info->status.tx_time);

		if ((tx_time_est = ieee80211_info_get_tx_time_est(info)) > 0) {
			/* Do this here to avoid the expensive lookup of the sta
			 * in ieee80211_report_used_skb().
			 */
			ieee80211_sta_update_pending_airtime(local, sta,
							     skb_get_queue_mapping(skb),
							     tx_time_est,
							     true);
			ieee80211_info_set_tx_time_est(info, 0);
		}
	}

	/* SNMP counters
@@ -1092,10 +1080,12 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
	struct ieee80211_local *local = hw_to_local(hw);
	struct ieee80211_tx_info *info = status->info;
	struct ieee80211_sta *pubsta = status->sta;
	struct sk_buff *skb = status->skb;
	struct ieee80211_supported_band *sband;
	struct sta_info *sta;
	struct sta_info *sta = NULL;
	int rates_idx, retry_count;
	bool acked, noack_success;
	u16 tx_time_est;

	if (pubsta) {
		sta = container_of(pubsta, struct sta_info, sta);
@@ -1147,7 +1137,18 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
			ieee80211s_update_metric(local, sta, status);
	}

	if (status->skb)
	if (skb && (tx_time_est = ieee80211_info_get_tx_time_est(info)) > 0) {
		/* Do this here to avoid the expensive lookup of the sta
		 * in ieee80211_report_used_skb().
		 */
		ieee80211_sta_update_pending_airtime(local, sta,
						     skb_get_queue_mapping(skb),
						     tx_time_est,
						     true);
		ieee80211_info_set_tx_time_est(info, 0);
	}

	if (skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP))
		return __ieee80211_tx_status(hw, status, rates_idx,
					     retry_count);

@@ -1162,6 +1163,12 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
	} else {
		I802_DEBUG_INC(local->dot11FailedCount);
	}

	if (!skb)
		return;

	ieee80211_report_used_skb(local, skb, false);
	dev_kfree_skb(skb);
}
EXPORT_SYMBOL(ieee80211_tx_status_ext);

@@ -1188,66 +1195,23 @@ void ieee80211_tx_status_8023(struct ieee80211_hw *hw,
			      struct ieee80211_vif *vif,
			      struct sk_buff *skb)
{
	struct ieee80211_local *local = hw_to_local(hw);
	struct ieee80211_sub_if_data *sdata;
	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
	struct ieee80211_tx_status status = {
		.skb = skb,
		.info = IEEE80211_SKB_CB(skb),
	};
	struct sta_info *sta;
	int retry_count;
	int rates_idx;
	bool acked;

	sdata = vif_to_sdata(vif);

	acked = info->flags & IEEE80211_TX_STAT_ACK;
	rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);

	rcu_read_lock();

	if (ieee80211_lookup_ra_sta(sdata, skb, &sta))
		goto counters_update;

	if (IS_ERR(sta))
		goto counters_update;

	if (!acked)
		sta->status_stats.retry_failed++;

	if (rates_idx != -1)
		sta->tx_stats.last_rate = info->status.rates[rates_idx];

	sta->status_stats.retry_count += retry_count;

	if (ieee80211_hw_check(hw, REPORTS_TX_ACK_STATUS)) {
		sta->status_stats.last_ack = jiffies;
		if (info->flags & IEEE80211_TX_STAT_ACK) {
			if (sta->status_stats.lost_packets)
				sta->status_stats.lost_packets = 0;
	if (!ieee80211_lookup_ra_sta(sdata, skb, &sta) && !IS_ERR(sta))
		status.sta = &sta->sta;

			sta->status_stats.last_pkt_time = jiffies;
		} else {
			ieee80211_lost_packet(sta, info);
		}
	}
	ieee80211_tx_status_ext(hw, &status);

counters_update:
	rcu_read_unlock();
	ieee80211_led_tx(local);

	if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
	    !(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED))
		goto skip_stats_update;

	I802_DEBUG_INC(local->dot11TransmittedFrameCount);
	if (is_multicast_ether_addr(skb->data))
		I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
	if (retry_count > 0)
		I802_DEBUG_INC(local->dot11RetryCount);
	if (retry_count > 1)
		I802_DEBUG_INC(local->dot11MultipleRetryCount);

skip_stats_update:
	ieee80211_report_used_skb(local, skb, false);
	dev_kfree_skb(skb);
}
EXPORT_SYMBOL(ieee80211_tx_status_8023);