aboutsummaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
authorBenoit Papillault <benoit.papillault@free.fr>2010-02-04 16:00:20 -0500
committerJohn W. Linville <linville@tuxdriver.com>2010-02-08 16:50:57 -0500
commit199d69f27326858b16449eb1cc1623299db64415 (patch)
tree3bfa43e22a63518ba3fd2eef2885c58404257e7f /net
parent40e6fa829a2544c9f8fd5a94844fe502334d6afc (diff)
mac80211: Added a new debugfs file for reading channel_type
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>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/debugfs.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index b3bc32b62a5a..637929b65ccc 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -250,6 +250,38 @@ static const struct file_operations uapsd_max_sp_len_ops = {
250 .open = mac80211_open_file_generic 250 .open = mac80211_open_file_generic
251}; 251};
252 252
253static ssize_t channel_type_read(struct file *file, char __user *user_buf,
254 size_t count, loff_t *ppos)
255{
256 struct ieee80211_local *local = file->private_data;
257 const char *buf;
258
259 switch (local->hw.conf.channel_type) {
260 case NL80211_CHAN_NO_HT:
261 buf = "no ht\n";
262 break;
263 case NL80211_CHAN_HT20:
264 buf = "ht20\n";
265 break;
266 case NL80211_CHAN_HT40MINUS:
267 buf = "ht40-\n";
268 break;
269 case NL80211_CHAN_HT40PLUS:
270 buf = "ht40+\n";
271 break;
272 default:
273 buf = "???";
274 break;
275 }
276
277 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
278}
279
280static const struct file_operations channel_type_ops = {
281 .read = channel_type_read,
282 .open = mac80211_open_file_generic
283};
284
253static ssize_t queues_read(struct file *file, char __user *user_buf, 285static ssize_t queues_read(struct file *file, char __user *user_buf,
254 size_t count, loff_t *ppos) 286 size_t count, loff_t *ppos)
255{ 287{
@@ -408,6 +440,7 @@ void debugfs_hw_add(struct ieee80211_local *local)
408 DEBUGFS_ADD(noack); 440 DEBUGFS_ADD(noack);
409 DEBUGFS_ADD(uapsd_queues); 441 DEBUGFS_ADD(uapsd_queues);
410 DEBUGFS_ADD(uapsd_max_sp_len); 442 DEBUGFS_ADD(uapsd_max_sp_len);
443 DEBUGFS_ADD(channel_type);
411 444
412 statsd = debugfs_create_dir("statistics", phyd); 445 statsd = debugfs_create_dir("statistics", phyd);
413 446