Commit 1f2e651c authored by Saravana's avatar Saravana Committed by Johannes Berg
Browse files

mac80211: add debugfs file for last rx rate

Add a debugfs file showing the rate at which
the last packet is received.
Signed-off-by: default avatarSaravana <>
[fix whitespace]
Signed-off-by: default avatarJohannes Berg <>
parent 003e676a
...@@ -337,6 +337,23 @@ static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf, ...@@ -337,6 +337,23 @@ static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf,
} }
STA_OPS(current_tx_rate); STA_OPS(current_tx_rate);
static ssize_t sta_last_rx_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_rx(sta, &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) \ #define DEBUGFS_ADD(name) \
debugfs_create_file(#name, 0400, \ debugfs_create_file(#name, 0400, \
sta->debugfs.dir, sta, &sta_ ##name## _ops); sta->debugfs.dir, sta, &sta_ ##name## _ops);
...@@ -387,6 +404,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) ...@@ -387,6 +404,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DEBUGFS_ADD(ht_capa); DEBUGFS_ADD(ht_capa);
DEBUGFS_ADD(last_ack_signal); DEBUGFS_ADD(last_ack_signal);
DEBUGFS_ADD(current_tx_rate); DEBUGFS_ADD(current_tx_rate);
DEBUGFS_ADD_COUNTER(rx_packets, rx_packets); DEBUGFS_ADD_COUNTER(rx_packets, rx_packets);
DEBUGFS_ADD_COUNTER(tx_packets, tx_packets); DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);
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