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: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 06d5293..1200b6a 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -50,7 +50,6 @@
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 @@
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 ce42714..7bb5781 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -373,7 +373,6 @@
* @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 @@
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 98fd04c..da67b84 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -863,9 +863,6 @@
ieee80211_lost_packet(sta, info);
}
}
-
- if (acked)
- sta->last_ack_signal = info->status.ack_signal;
}
rcu_read_unlock();