mac80211: resume properly, add suspend/resume test

[linux-2.6-omap-h63xx.git] / net / mac80211 / debugfs.c

diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index e37f557de3f33e5178ccaeb9fdc0f01689b8fc29..210b9b6fecd2a3676c8fe23393c22d87700228b4 100644 (file)
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -40,6 +40,10 @@ static const struct file_operations name## _ops = {                  \
        local->debugfs.name = debugfs_create_file(#name, 0400, phyd,    \
                                                  local, &name## _ops);
 
+#define DEBUGFS_ADD_MODE(name, mode)                                   \
+       local->debugfs.name = debugfs_create_file(#name, mode, phyd,    \
+                                                 local, &name## _ops);
+
 #define DEBUGFS_DEL(name)                                              \
        debugfs_remove(local->debugfs.name);                            \
        local->debugfs.name = NULL;
@@ -113,6 +117,24 @@ static const struct file_operations tsf_ops = {
        .open = mac80211_open_file_generic
 };
 
+static ssize_t reset_write(struct file *file, const char __user *user_buf,
+                          size_t count, loff_t *ppos)
+{
+       struct ieee80211_local *local = file->private_data;
+
+       rtnl_lock();
+       __ieee80211_suspend(&local->hw);
+       __ieee80211_resume(&local->hw);
+       rtnl_unlock();
+
+       return count;
+}
+
+static const struct file_operations reset_ops = {
+       .write = reset_write,
+       .open = mac80211_open_file_generic,
+};
+
 /* statistics stuff */
 
 #define DEBUGFS_STATS_FILE(name, buflen, fmt, value...)                        \
@@ -254,6 +276,7 @@ void debugfs_hw_add(struct ieee80211_local *local)
        DEBUGFS_ADD(total_ps_buffered);
        DEBUGFS_ADD(wep_iv);
        DEBUGFS_ADD(tsf);
+       DEBUGFS_ADD_MODE(reset, 0200);
 
        statsd = debugfs_create_dir("statistics", phyd);
        local->debugfs.statistics = statsd;
@@ -308,6 +331,7 @@ void debugfs_hw_del(struct ieee80211_local *local)
        DEBUGFS_DEL(total_ps_buffered);
        DEBUGFS_DEL(wep_iv);
        DEBUGFS_DEL(tsf);
+       DEBUGFS_DEL(reset);
 
        DEBUGFS_STATS_DEL(transmitted_fragment_count);
        DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);