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Diffstat (limited to 'net/mac80211/debugfs.c')
-rw-r--r--net/mac80211/debugfs.c83
1 files changed, 78 insertions, 5 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 2697a2fe608..210b9b6fecd 100644
--- 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;
@@ -57,11 +61,80 @@ DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
local->hw.conf.long_frame_max_tx_count);
DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
local->total_ps_buffered);
-DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x",
+DEBUGFS_READONLY_FILE(wep_iv, 20, "%#08x",
local->wep_iv & 0xffffff);
DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
+static ssize_t tsf_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ u64 tsf = 0;
+ char buf[100];
+
+ if (local->ops->get_tsf)
+ tsf = local->ops->get_tsf(local_to_hw(local));
+
+ snprintf(buf, sizeof(buf), "0x%016llx\n", (unsigned long long) tsf);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 19);
+}
+
+static ssize_t tsf_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ unsigned long long tsf;
+ char buf[100];
+ size_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+
+ if (strncmp(buf, "reset", 5) == 0) {
+ if (local->ops->reset_tsf) {
+ local->ops->reset_tsf(local_to_hw(local));
+ printk(KERN_INFO "%s: debugfs reset TSF\n", wiphy_name(local->hw.wiphy));
+ }
+ } else {
+ tsf = simple_strtoul(buf, NULL, 0);
+ if (local->ops->set_tsf) {
+ local->ops->set_tsf(local_to_hw(local), tsf);
+ printk(KERN_INFO "%s: debugfs set TSF to %#018llx\n", wiphy_name(local->hw.wiphy), tsf);
+ }
+ }
+
+ return count;
+}
+
+static const struct file_operations tsf_ops = {
+ .read = tsf_read,
+ .write = tsf_write,
+ .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...) \
@@ -136,8 +209,6 @@ DEBUGFS_STATS_FILE(multicast_received_frame_count, 20, "%u",
local->dot11MulticastReceivedFrameCount);
DEBUGFS_STATS_FILE(transmitted_frame_count, 20, "%u",
local->dot11TransmittedFrameCount);
-DEBUGFS_STATS_FILE(wep_undecryptable_count, 20, "%u",
- local->dot11WEPUndecryptableCount);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_STATS_FILE(tx_handlers_drop, 20, "%u",
local->tx_handlers_drop);
@@ -204,6 +275,8 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_ADD(long_retry_limit);
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;
@@ -221,7 +294,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_STATS_ADD(received_fragment_count);
DEBUGFS_STATS_ADD(multicast_received_frame_count);
DEBUGFS_STATS_ADD(transmitted_frame_count);
- DEBUGFS_STATS_ADD(wep_undecryptable_count);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_STATS_ADD(tx_handlers_drop);
DEBUGFS_STATS_ADD(tx_handlers_queued);
@@ -258,6 +330,8 @@ void debugfs_hw_del(struct ieee80211_local *local)
DEBUGFS_DEL(long_retry_limit);
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);
@@ -268,7 +342,6 @@ void debugfs_hw_del(struct ieee80211_local *local)
DEBUGFS_STATS_DEL(received_fragment_count);
DEBUGFS_STATS_DEL(multicast_received_frame_count);
DEBUGFS_STATS_DEL(transmitted_frame_count);
- DEBUGFS_STATS_DEL(wep_undecryptable_count);
DEBUGFS_STATS_DEL(num_scans);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_STATS_DEL(tx_handlers_drop);