Commit 763aa27a authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: remove sta->last_ack_signal 



This file only feeds a debugfs file that isn't very useful, so remove
it. If necessary, we can add other ways to get this information, for
example in the NL80211_CMD_PROBE_CLIENT response.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent a515de66

net/mac80211/debugfs_sta.c

+0 −2
Original line number Diff line number Diff line
@@ -50,7 +50,6 @@ static const struct file_operations sta_ ##name## _ops = { \ 
		STA_OPS(name)



STA_FILE(aid, sta.aid, D);

STA_FILE(last_ack_signal, last_ack_signal, D);



static ssize_t sta_flags_read(struct file *file, char __user *userbuf,

			      size_t count, loff_t *ppos)
@@ -366,7 +365,6 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) 
	DEBUGFS_ADD(agg_status);

	DEBUGFS_ADD(ht_capa);

	DEBUGFS_ADD(vht_capa);

	DEBUGFS_ADD(last_ack_signal);



	DEBUGFS_ADD_COUNTER(rx_duplicates, num_duplicates);

	DEBUGFS_ADD_COUNTER(rx_fragments, rx_fragments);

net/mac80211/sta_info.h

+0 −2
Original line number Diff line number Diff line
@@ -373,7 +373,6 @@ DECLARE_EWMA(signal, 1024, 8) 
 * @rx_dropped: number of dropped MPDUs from this STA

 * @last_signal: signal of last received frame from this STA

 * @avg_signal: moving average of signal of received frames from this STA

 * @last_ack_signal: signal of last received Ack frame from this STA

 * @last_seq_ctrl: last received seq/frag number from this STA (per TID

 *	plus one for non-QoS frames)

 * @tx_filtered_count: number of frames the hardware filtered for this STA
@@ -467,7 +466,6 @@ struct sta_info { 
	unsigned long rx_dropped;

	int last_signal;

	struct ewma_signal avg_signal;

	int last_ack_signal;



	u8 chains;

	s8 chain_signal_last[IEEE80211_MAX_CHAINS];

net/mac80211/status.c

+0 −3
Original line number Diff line number Diff line
@@ -863,9 +863,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) 
				ieee80211_lost_packet(sta, info);

			}

		}



		if (acked)

			sta->last_ack_signal = info->status.ack_signal;

	}



	rcu_read_unlock();

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