Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

mac80211: Added a new debugfs file for reading channel_type

Browse source 
This file helps debugging HT channels since it displays if we are on
ht20 or ht40+/ht40-

Signed-off-by: Benoit Papillault <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Benoit Papillault 2010-02-04 22:00:20 +01:00 committed by John W. Linville
parent 40e6fa829a
commit 199d69f273
1 changed files with 33 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

33
net/mac80211/debugfs.c
View file

@ -250,6 +250,38 @@ static const struct file_operations uapsd_max_sp_len_ops = {
.open = mac80211_open_file_generic .open = mac80211_open_file_generic
}; };
static ssize_t channel_type_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
const char *buf;
switch (local->hw.conf.channel_type) {
case NL80211_CHAN_NO_HT:
buf = "no ht\n";
break;
case NL80211_CHAN_HT20:
buf = "ht20\n";
break;
case NL80211_CHAN_HT40MINUS:
buf = "ht40-\n";
break;
case NL80211_CHAN_HT40PLUS:
buf = "ht40+\n";
break;
default:
buf = "???";
break;
}
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
static const struct file_operations channel_type_ops = {
.read = channel_type_read,
.open = mac80211_open_file_generic
};
static ssize_t queues_read(struct file *file, char __user *user_buf, static ssize_t queues_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
@ -408,6 +440,7 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_ADD(noack); DEBUGFS_ADD(noack);
DEBUGFS_ADD(uapsd_queues); DEBUGFS_ADD(uapsd_queues);
DEBUGFS_ADD(uapsd_max_sp_len); DEBUGFS_ADD(uapsd_max_sp_len);
DEBUGFS_ADD(channel_type);
statsd = debugfs_create_dir("statistics", phyd); statsd = debugfs_create_dir("statistics", phyd);