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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 <saravanad@posedge.com>
[fix whitespace]
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 003e676a

net/mac80211/debugfs_sta.c

+18 −0
Original line number Diff line number Diff line
@@ -337,6 +337,23 @@ static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf, 
}

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);

}

STA_OPS(last_rx_rate);



#define DEBUGFS_ADD(name) \

	debugfs_create_file(#name, 0400, \

		sta->debugfs.dir, sta, &sta_ ##name## _ops);
@@ -387,6 +404,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) 
	DEBUGFS_ADD(ht_capa);

	DEBUGFS_ADD(last_ack_signal);

	DEBUGFS_ADD(current_tx_rate);

	DEBUGFS_ADD(last_rx_rate);



	DEBUGFS_ADD_COUNTER(rx_packets, rx_packets);

	DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);