This patch adds an low-level driver independent entry to read the TSF value into the debugfs of mac80211. This makes debugging the IBSS handling of wifi drivers easier.
Signed-off-by: Alina Friedrichsen <x-alina@xxxxxxx>
---
diff -urN compat-wireless-2009-01-22.orig/net/mac80211/debugfs.c compat-wireless-2009-01-22/net/mac80211/debugfs.c
--- compat-wireless-2009-01-22.orig/net/mac80211/debugfs.c 2009-01-22 20:51:46.000000000 +0100
+++ compat-wireless-2009-01-22/net/mac80211/debugfs.c 2009-01-23 03:49:45.000000000 +0100
@@ -61,6 +61,8 @@
local->wep_iv & 0xffffff);
DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
+DEBUGFS_READONLY_FILE(tsf, 20, "%#018llx",
+ (unsigned long long) (local->ops->get_tsf ? local->ops->get_tsf(local_to_hw(local)) : 0));
/* statistics stuff */
@@ -202,6 +204,7 @@
DEBUGFS_ADD(long_retry_limit);
DEBUGFS_ADD(total_ps_buffered);
DEBUGFS_ADD(wep_iv);
+ DEBUGFS_ADD(tsf);
statsd = debugfs_create_dir("statistics", phyd);
local->debugfs.statistics = statsd;
@@ -255,6 +258,7 @@
DEBUGFS_DEL(long_retry_limit);
DEBUGFS_DEL(total_ps_buffered);
DEBUGFS_DEL(wep_iv);
+ DEBUGFS_DEL(tsf);
DEBUGFS_STATS_DEL(transmitted_fragment_count);
DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
diff -urN compat-wireless-2009-01-22.orig/net/mac80211/ieee80211_i.h compat-wireless-2009-01-22/net/mac80211/ieee80211_i.h
--- compat-wireless-2009-01-22.orig/net/mac80211/ieee80211_i.h 2009-01-22 20:51:46.000000000 +0100
+++ compat-wireless-2009-01-22/net/mac80211/ieee80211_i.h 2009-01-23 03:55:44.000000000 +0100
@@ -744,6 +744,7 @@
struct dentry *long_retry_limit;
struct dentry *total_ps_buffered;
struct dentry *wep_iv;
+ struct dentry *tsf;
struct dentry *statistics;
struct local_debugfsdentries_statsdentries {
struct dentry *transmitted_fragment_count;
--
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