diff options
| author | Saravana <saravanad@posedge.com> | 2012-11-28 12:57:09 (GMT) |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-11-29 12:36:43 (GMT) |
| commit | db94357dbd79359496cd5189640cc36bb3c35733 (patch) | |
| tree | 96245544e119db490457b8ad2f91b021c8b53393 | |
| parent | dbeca2ea4642d9de0a59ac141b2825ea6804f408 (diff) | |
| download | linux-db94357dbd79359496cd5189640cc36bb3c35733.tar.xz | |
mac80211: add debugfs file for last ack signal
Add a debugfs file showing the signal strength
of the ack frame that is received for the
currently sent tx packet
Signed-off-by: Saravana <saravanad@posedge.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 2 | ||||
| -rw-r--r-- | net/mac80211/sta_info.h | 2 | ||||
| -rw-r--r-- | net/mac80211/status.c | 3 |
3 files changed, 7 insertions, 0 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 89281d2..1566941 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -53,6 +53,7 @@ static const struct file_operations sta_ ##name## _ops = { \ STA_FILE(aid, sta.aid, D); STA_FILE(dev, sdata->name, S); STA_FILE(last_signal, last_signal, 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) @@ -369,6 +370,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) DEBUGFS_ADD(dev); DEBUGFS_ADD(last_signal); DEBUGFS_ADD(ht_capa); + DEBUGFS_ADD(last_ack_signal); DEBUGFS_ADD_COUNTER(rx_packets, rx_packets); DEBUGFS_ADD_COUNTER(tx_packets, tx_packets); diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 6835cea..dce7693 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -250,6 +250,7 @@ struct sta_ampdu_mlme { * @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 RX queue) * @tx_filtered_count: number of frames the hardware filtered for this STA * @tx_retry_failed: number of frames that failed retry @@ -329,6 +330,7 @@ struct sta_info { unsigned long rx_dropped; int last_signal; struct ewma avg_signal; + int last_ack_signal; /* Plus 1 for non-QoS frames */ __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1]; diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 2d931ad..6400037 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -539,6 +539,9 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) sta->lost_packets = 0; } } + + if (acked) + sta->last_ack_signal = info->status.ack_signal; } rcu_read_unlock(); |