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mac80211: remove STA infos last_ack stuff

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These things aren't used and the only possible use is within
rate control algorithms, however those can, if they need it,
keep track of it in their private data. last_ack_ms isn't
even updated so completely useless.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2008-02-25 16:27:44 +01:00
committed by John W. Linville
parent e6a5ddf208
commit 6f48422a29
4 changed files with 0 additions and 39 deletions
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29
net/mac80211/debugfs_sta.c
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@@ -98,31 +98,6 @@ static ssize_t sta_num_ps_buf_frames_read(struct file *file,
}
STA_OPS(num_ps_buf_frames);
static ssize_t sta_last_ack_rssi_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
char buf[100];
struct sta_info *sta = file->private_data;
int res = scnprintf(buf, sizeof(buf), "%d %d %d\n",
sta->last_ack_rssi[0],
sta->last_ack_rssi[1],
sta->last_ack_rssi[2]);
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
STA_OPS(last_ack_rssi);
static ssize_t sta_last_ack_ms_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
char buf[20];
struct sta_info *sta = file->private_data;
int res = scnprintf(buf, sizeof(buf), "%d\n",
sta->last_ack ?
jiffies_to_msecs(jiffies - sta->last_ack) : -1);
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
STA_OPS(last_ack_ms);
static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
@@ -311,8 +286,6 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DEBUGFS_ADD(flags);
DEBUGFS_ADD(num_ps_buf_frames);
DEBUGFS_ADD(last_ack_rssi);
DEBUGFS_ADD(last_ack_ms);
DEBUGFS_ADD(inactive_ms);
DEBUGFS_ADD(last_seq_ctrl);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
@@ -326,8 +299,6 @@ void ieee80211_sta_debugfs_remove(struct sta_info *sta)
{
DEBUGFS_DEL(flags);
DEBUGFS_DEL(num_ps_buf_frames);
DEBUGFS_DEL(last_ack_rssi);
DEBUGFS_DEL(last_ack_ms);
DEBUGFS_DEL(inactive_ms);
DEBUGFS_DEL(last_seq_ctrl);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS