Commit 91b8c050 authored by Saravana's avatar Saravana Committed by Johannes Berg

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: default avatarSaravana <>
Signed-off-by: default avatarJohannes Berg <>
parent db94357d
......@@ -322,6 +322,21 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
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);
#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_COUNTER(rx_packets, rx_packets);
DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);
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