On Wed, 2012-11-28 at 13:53 +0530, Saravana wrote:
> 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@xxxxxxxxxxx>
> ---
> net/mac80211/debugfs_sta.c | 2 ++
> net/mac80211/sta_info.h | 2 ++
> net/mac80211/status.c | 2 ++
> 3 files changed, 6 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..64dda41 100644
> --- a/net/mac80211/status.c
> +++ b/net/mac80211/status.c
> @@ -539,6 +539,8 @@ 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;
I'd prefer a blank line before the if
This patch was sent in a way that I could apply it. :-)
johannes
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