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| author | Saravana <saravanad@posedge.com> | 2012-11-29 19:22:37 +0530 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-11-29 15:32:58 +0100 |
| commit | 91b8c050b2a2ed3a1277de53d90e1899f28225e8 (patch) | |
| tree | 0d885c00dcc73204bf84b0707e561684803c96cf /net/mac80211 | |
| parent | db94357dbd79359496cd5189640cc36bb3c35733 (diff) | |
| download | linux-91b8c050b2a2ed3a1277de53d90e1899f28225e8.tar.gz linux-91b8c050b2a2ed3a1277de53d90e1899f28225e8.tar.bz2 linux-91b8c050b2a2ed3a1277de53d90e1899f28225e8.zip | |
mac80211: add debugfs file for current tx rate
Add a debugfs file showing the current tx rate.
The information available in the rc_stats file
doesn't evidently provides us the current tx rate.
This patch adds the support for the same.
Signed-off-by: Saravana <saravanad@posedge.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 15669415ee98..b6fd9f6ed80c 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -322,6 +322,21 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, } STA_OPS(ht_capa); +static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct sta_info *sta = file->private_data; + struct rate_info rinfo; + u16 rate; + sta_set_rate_info_tx(sta, &sta->last_tx_rate, &rinfo); + rate = cfg80211_calculate_bitrate(&rinfo); + + return mac80211_format_buffer(userbuf, count, ppos, + "%d.%d MBit/s\n", + rate/10, rate%10); +} +STA_OPS(current_tx_rate); + #define DEBUGFS_ADD(name) \ debugfs_create_file(#name, 0400, \ sta->debugfs.dir, sta, &sta_ ##name## _ops); @@ -371,6 +386,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) DEBUGFS_ADD(last_signal); DEBUGFS_ADD(ht_capa); DEBUGFS_ADD(last_ack_signal); + DEBUGFS_ADD(current_tx_rate); DEBUGFS_ADD_COUNTER(rx_packets, rx_packets); DEBUGFS_ADD_COUNTER(tx_packets, tx_packets); |