Return-path: Received: from mail022-1.exch022.serverdata.net ([64.78.22.98]:57665 "EHLO mail022-1.exch022.serverdata.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751360Ab2KZFR0 (ORCPT ); Mon, 26 Nov 2012 00:17:26 -0500 Message-ID: <50B2FB62.2080808@posedge.com> (sfid-20121126_061728_743653_9C6D04D4) Date: Mon, 26 Nov 2012 10:47:22 +0530 From: Saravana MIME-Version: 1.0 To: Johannes Berg CC: linux-wireless@vger.kernel.org Subject: RFC[2/4] mac80211: add statistic to debugfs Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: Provide additional statistic support to the debugfs. Rssi of the Last Ack Frame This information is available as part of ieee80211_tx_info status structure. Thought this information may be useful(in future). Signed-off-by: Saravana --- The diff file is generated from wireless-testing git tree. net/mac80211/debugfs_sta.c | 2 ++ net/mac80211/sta_info.h | 2 ++ 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 776f3d0..e1f1fa2 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -249,6 +249,7 @@ 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 @@ -328,6 +329,7 @@ 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 ab63237..a7f698d 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();