From: Johannes Berg <johannes.berg@xxxxxxxxx>
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: Johannes Berg <johannes.berg@xxxxxxxxx>
---
net/mac80211/debugfs_sta.c | 2 --
net/mac80211/sta_info.h | 2 --
net/mac80211/status.c | 3 ---
3 files changed, 7 deletions(-)
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 06d52935036d..1200b6a581d2 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -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);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index ce4271406692..7bb5781b4ce2 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -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];
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 98fd04c4b2a0..da67b84905a8 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -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();
--
2.5.1
--
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