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Date: Sat, 5 May 2007 09:45:28 -0400
From: "John W. Linville" <linville@...driver.com>
To: davem@...emloft.net
Cc: jeff@...zik.org, netdev@...r.kernel.org,
linux-wireless@...r.kernel.org
Subject: [PATCH 3/4 (resend)] mac80211: add debugfs attributes
From: Jiri Benc <jbenc@...e.cz>
Export various mac80211 internal variables through debugfs.
Signed-off-by: Jiri Benc <jbenc@...e.cz>
Signed-off-by: John W. Linville <linville@...driver.com>
---
net/mac80211/Kconfig | 9 +
net/mac80211/Makefile | 1 +
net/mac80211/debugfs.c | 433 +++++++++++++++++++++++++++++++++++++++
net/mac80211/debugfs.h | 16 ++
net/mac80211/debugfs_key.c | 252 +++++++++++++++++++++++
net/mac80211/debugfs_key.h | 34 +++
net/mac80211/debugfs_netdev.c | 440 ++++++++++++++++++++++++++++++++++++++++
net/mac80211/debugfs_netdev.h | 30 +++
net/mac80211/debugfs_sta.c | 246 ++++++++++++++++++++++
net/mac80211/debugfs_sta.h | 12 +
net/mac80211/ieee80211.c | 14 ++
net/mac80211/ieee80211_i.h | 127 ++++++++++++
net/mac80211/ieee80211_iface.c | 8 +
net/mac80211/ieee80211_ioctl.c | 22 ++-
net/mac80211/ieee80211_key.h | 17 ++
net/mac80211/ieee80211_rate.h | 22 ++
net/mac80211/rc80211_simple.c | 71 +++++++
net/mac80211/sta_info.c | 108 +++++++++-
net/mac80211/sta_info.h | 19 ++
19 files changed, 1866 insertions(+), 15 deletions(-)
create mode 100644 net/mac80211/debugfs.c
create mode 100644 net/mac80211/debugfs.h
create mode 100644 net/mac80211/debugfs_key.c
create mode 100644 net/mac80211/debugfs_key.h
create mode 100644 net/mac80211/debugfs_netdev.c
create mode 100644 net/mac80211/debugfs_netdev.h
create mode 100644 net/mac80211/debugfs_sta.c
create mode 100644 net/mac80211/debugfs_sta.h
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index d761b53..6fffb38 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -20,6 +20,15 @@ config MAC80211_LEDS
This option enables a few LED triggers for different
packet receive/transmit events.
+config MAC80211_DEBUGFS
+ bool "Export mac80211 internals in DebugFS"
+ depends on MAC80211 && DEBUG_FS
+ ---help---
+ Select this to see extensive information about
+ the internal state of mac80211 in debugfs.
+
+ Say N unless you know you need this.
+
config MAC80211_DEBUG
bool "Enable debugging output"
depends on MAC80211
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 79dea99..e9738da 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -1,6 +1,7 @@
obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o
mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o
+mac80211-objs-$(CONFIG_MAC80211_DEBUGFS) += debugfs.o debugfs_sta.o debugfs_netdev.o debugfs_key.o
mac80211-objs := \
ieee80211.o \
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
new file mode 100644
index 0000000..bb6c0fe
--- /dev/null
+++ b/net/mac80211/debugfs.c
@@ -0,0 +1,433 @@
+/*
+ * mac80211 debugfs for wireless PHYs
+ *
+ * Copyright 2007 Johannes Berg <johannes@...solutions.net>
+ *
+ * GPLv2
+ *
+ */
+
+#include <linux/debugfs.h>
+#include <linux/rtnetlink.h>
+#include "ieee80211_i.h"
+#include "ieee80211_rate.h"
+#include "debugfs.h"
+
+int mac80211_open_file_generic(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static const char *ieee80211_mode_str(int mode)
+{
+ switch (mode) {
+ case MODE_IEEE80211A:
+ return "IEEE 802.11a";
+ case MODE_IEEE80211B:
+ return "IEEE 802.11b";
+ case MODE_IEEE80211G:
+ return "IEEE 802.11g";
+ case MODE_ATHEROS_TURBO:
+ return "Atheros Turbo (5 GHz)";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static ssize_t modes_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ struct ieee80211_hw_mode *mode;
+ char buf[150], *p = buf;
+
+ /* FIXME: locking! */
+ list_for_each_entry(mode, &local->modes_list, list) {
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "%s\n", ieee80211_mode_str(mode->mode));
+ }
+
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
+}
+
+static const struct file_operations modes_ops = {
+ .read = modes_read,
+ .open = mac80211_open_file_generic,
+};
+
+#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
+static ssize_t name## _read(struct file *file, char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct ieee80211_local *local = file->private_data; \
+ char buf[buflen]; \
+ int res; \
+ \
+ res = scnprintf(buf, buflen, fmt "\n", ##value); \
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
+} \
+ \
+static const struct file_operations name## _ops = { \
+ .read = name## _read, \
+ .open = mac80211_open_file_generic, \
+};
+
+#define DEBUGFS_ADD(name) \
+ local->debugfs.name = debugfs_create_file(#name, 0444, phyd, \
+ local, &name## _ops);
+
+#define DEBUGFS_DEL(name) \
+ debugfs_remove(local->debugfs.name); \
+ local->debugfs.name = NULL;
+
+
+DEBUGFS_READONLY_FILE(channel, 20, "%d",
+ local->hw.conf.channel);
+DEBUGFS_READONLY_FILE(frequency, 20, "%d",
+ local->hw.conf.freq);
+DEBUGFS_READONLY_FILE(radar_detect, 20, "%d",
+ local->hw.conf.radar_detect);
+DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
+ local->hw.conf.antenna_sel_tx);
+DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
+ local->hw.conf.antenna_sel_rx);
+DEBUGFS_READONLY_FILE(bridge_packets, 20, "%d",
+ local->bridge_packets);
+DEBUGFS_READONLY_FILE(key_tx_rx_threshold, 20, "%d",
+ local->key_tx_rx_threshold);
+DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
+ local->rts_threshold);
+DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
+ local->fragmentation_threshold);
+DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
+ local->short_retry_limit);
+DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
+ local->long_retry_limit);
+DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
+ local->total_ps_buffered);
+DEBUGFS_READONLY_FILE(mode, 20, "%s",
+ ieee80211_mode_str(local->hw.conf.phymode));
+DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x",
+ local->wep_iv & 0xffffff);
+DEBUGFS_READONLY_FILE(tx_power_reduction, 20, "%d.%d dBm",
+ local->hw.conf.tx_power_reduction / 10,
+ local->hw.conf.tx_power_reduction & 10);
+DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
+ local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
+
+/* statistics stuff */
+
+static inline int rtnl_lock_local(struct ieee80211_local *local)
+{
+ rtnl_lock();
+ if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) {
+ rtnl_unlock();
+ return -ENODEV;
+ }
+ return 0;
+}
+
+#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \
+ DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
+
+static ssize_t format_devstat_counter(struct ieee80211_local *local,
+ char __user *userbuf,
+ size_t count, loff_t *ppos,
+ int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
+ int buflen))
+{
+ struct ieee80211_low_level_stats stats;
+ char buf[20];
+ int res;
+
+ if (!local->ops->get_stats)
+ return -EOPNOTSUPP;
+
+ res = rtnl_lock_local(local);
+ if (res)
+ return res;
+
+ res = local->ops->get_stats(local_to_hw(local), &stats);
+ rtnl_unlock();
+ if (!res)
+ res = printvalue(&stats, buf, sizeof(buf));
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+
+#define DEBUGFS_DEVSTATS_FILE(name) \
+static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
+ char *buf, int buflen) \
+{ \
+ return scnprintf(buf, buflen, "%u\n", stats->name); \
+} \
+static ssize_t stats_ ##name## _read(struct file *file, \
+ char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ return format_devstat_counter(file->private_data, \
+ userbuf, \
+ count, \
+ ppos, \
+ print_devstats_##name); \
+} \
+ \
+static const struct file_operations stats_ ##name## _ops = { \
+ .read = stats_ ##name## _read, \
+ .open = mac80211_open_file_generic, \
+};
+
+#define DEBUGFS_STATS_ADD(name) \
+ local->debugfs.stats.name = debugfs_create_file(#name, 0444, statsd,\
+ local, &stats_ ##name## _ops);
+
+#define DEBUGFS_STATS_DEL(name) \
+ debugfs_remove(local->debugfs.stats.name); \
+ local->debugfs.stats.name = NULL;
+
+DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
+ local->dot11TransmittedFragmentCount);
+DEBUGFS_STATS_FILE(multicast_transmitted_frame_count, 20, "%u",
+ local->dot11MulticastTransmittedFrameCount);
+DEBUGFS_STATS_FILE(failed_count, 20, "%u",
+ local->dot11FailedCount);
+DEBUGFS_STATS_FILE(retry_count, 20, "%u",
+ local->dot11RetryCount);
+DEBUGFS_STATS_FILE(multiple_retry_count, 20, "%u",
+ local->dot11MultipleRetryCount);
+DEBUGFS_STATS_FILE(frame_duplicate_count, 20, "%u",
+ local->dot11FrameDuplicateCount);
+DEBUGFS_STATS_FILE(received_fragment_count, 20, "%u",
+ local->dot11ReceivedFragmentCount);
+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);
+DEBUGFS_STATS_FILE(tx_handlers_queued, 20, "%u",
+ local->tx_handlers_queued);
+DEBUGFS_STATS_FILE(tx_handlers_drop_unencrypted, 20, "%u",
+ local->tx_handlers_drop_unencrypted);
+DEBUGFS_STATS_FILE(tx_handlers_drop_fragment, 20, "%u",
+ local->tx_handlers_drop_fragment);
+DEBUGFS_STATS_FILE(tx_handlers_drop_wep, 20, "%u",
+ local->tx_handlers_drop_wep);
+DEBUGFS_STATS_FILE(tx_handlers_drop_not_assoc, 20, "%u",
+ local->tx_handlers_drop_not_assoc);
+DEBUGFS_STATS_FILE(tx_handlers_drop_unauth_port, 20, "%u",
+ local->tx_handlers_drop_unauth_port);
+DEBUGFS_STATS_FILE(rx_handlers_drop, 20, "%u",
+ local->rx_handlers_drop);
+DEBUGFS_STATS_FILE(rx_handlers_queued, 20, "%u",
+ local->rx_handlers_queued);
+DEBUGFS_STATS_FILE(rx_handlers_drop_nullfunc, 20, "%u",
+ local->rx_handlers_drop_nullfunc);
+DEBUGFS_STATS_FILE(rx_handlers_drop_defrag, 20, "%u",
+ local->rx_handlers_drop_defrag);
+DEBUGFS_STATS_FILE(rx_handlers_drop_short, 20, "%u",
+ local->rx_handlers_drop_short);
+DEBUGFS_STATS_FILE(rx_handlers_drop_passive_scan, 20, "%u",
+ local->rx_handlers_drop_passive_scan);
+DEBUGFS_STATS_FILE(tx_expand_skb_head, 20, "%u",
+ local->tx_expand_skb_head);
+DEBUGFS_STATS_FILE(tx_expand_skb_head_cloned, 20, "%u",
+ local->tx_expand_skb_head_cloned);
+DEBUGFS_STATS_FILE(rx_expand_skb_head, 20, "%u",
+ local->rx_expand_skb_head);
+DEBUGFS_STATS_FILE(rx_expand_skb_head2, 20, "%u",
+ local->rx_expand_skb_head2);
+DEBUGFS_STATS_FILE(rx_handlers_fragments, 20, "%u",
+ local->rx_handlers_fragments);
+DEBUGFS_STATS_FILE(tx_status_drop, 20, "%u",
+ local->tx_status_drop);
+
+static ssize_t stats_wme_rx_queue_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ char buf[NUM_RX_DATA_QUEUES*15], *p = buf;
+ int i;
+
+ for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "%u\n", local->wme_rx_queue[i]);
+
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
+}
+
+static const struct file_operations stats_wme_rx_queue_ops = {
+ .read = stats_wme_rx_queue_read,
+ .open = mac80211_open_file_generic,
+};
+
+static ssize_t stats_wme_tx_queue_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ char buf[NUM_TX_DATA_QUEUES*15], *p = buf;
+ int i;
+
+ for (i = 0; i < NUM_TX_DATA_QUEUES; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "%u\n", local->wme_tx_queue[i]);
+
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
+}
+
+static const struct file_operations stats_wme_tx_queue_ops = {
+ .read = stats_wme_tx_queue_read,
+ .open = mac80211_open_file_generic,
+};
+#endif
+
+DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
+DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
+DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
+DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
+
+
+void debugfs_hw_add(struct ieee80211_local *local)
+{
+ struct dentry *phyd = local->hw.wiphy->debugfsdir;
+ struct dentry *statsd;
+
+ if (!phyd)
+ return;
+
+ local->debugfs.stations = debugfs_create_dir("stations", phyd);
+ local->debugfs.keys = debugfs_create_dir("keys", phyd);
+
+ DEBUGFS_ADD(channel);
+ DEBUGFS_ADD(frequency);
+ DEBUGFS_ADD(radar_detect);
+ DEBUGFS_ADD(antenna_sel_tx);
+ DEBUGFS_ADD(antenna_sel_rx);
+ DEBUGFS_ADD(bridge_packets);
+ DEBUGFS_ADD(key_tx_rx_threshold);
+ DEBUGFS_ADD(rts_threshold);
+ DEBUGFS_ADD(fragmentation_threshold);
+ DEBUGFS_ADD(short_retry_limit);
+ DEBUGFS_ADD(long_retry_limit);
+ DEBUGFS_ADD(total_ps_buffered);
+ DEBUGFS_ADD(mode);
+ DEBUGFS_ADD(wep_iv);
+ DEBUGFS_ADD(tx_power_reduction);
+ DEBUGFS_ADD(modes);
+
+ statsd = debugfs_create_dir("statistics", phyd);
+ local->debugfs.statistics = statsd;
+
+ /* if the dir failed, don't put all the other things into the root! */
+ if (!statsd)
+ return;
+
+ DEBUGFS_STATS_ADD(transmitted_fragment_count);
+ DEBUGFS_STATS_ADD(multicast_transmitted_frame_count);
+ DEBUGFS_STATS_ADD(failed_count);
+ DEBUGFS_STATS_ADD(retry_count);
+ DEBUGFS_STATS_ADD(multiple_retry_count);
+ DEBUGFS_STATS_ADD(frame_duplicate_count);
+ 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);
+ DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted);
+ DEBUGFS_STATS_ADD(tx_handlers_drop_fragment);
+ DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
+ DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
+ DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
+ DEBUGFS_STATS_ADD(rx_handlers_drop);
+ DEBUGFS_STATS_ADD(rx_handlers_queued);
+ DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
+ DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
+ DEBUGFS_STATS_ADD(rx_handlers_drop_short);
+ DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan);
+ DEBUGFS_STATS_ADD(tx_expand_skb_head);
+ DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
+ DEBUGFS_STATS_ADD(rx_expand_skb_head);
+ DEBUGFS_STATS_ADD(rx_expand_skb_head2);
+ DEBUGFS_STATS_ADD(rx_handlers_fragments);
+ DEBUGFS_STATS_ADD(tx_status_drop);
+ DEBUGFS_STATS_ADD(wme_tx_queue);
+ DEBUGFS_STATS_ADD(wme_rx_queue);
+#endif
+ DEBUGFS_STATS_ADD(dot11ACKFailureCount);
+ DEBUGFS_STATS_ADD(dot11RTSFailureCount);
+ DEBUGFS_STATS_ADD(dot11FCSErrorCount);
+ DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
+}
+
+void debugfs_hw_del(struct ieee80211_local *local)
+{
+ DEBUGFS_DEL(channel);
+ DEBUGFS_DEL(frequency);
+ DEBUGFS_DEL(radar_detect);
+ DEBUGFS_DEL(antenna_sel_tx);
+ DEBUGFS_DEL(antenna_sel_rx);
+ DEBUGFS_DEL(bridge_packets);
+ DEBUGFS_DEL(key_tx_rx_threshold);
+ DEBUGFS_DEL(rts_threshold);
+ DEBUGFS_DEL(fragmentation_threshold);
+ DEBUGFS_DEL(short_retry_limit);
+ DEBUGFS_DEL(long_retry_limit);
+ DEBUGFS_DEL(total_ps_buffered);
+ DEBUGFS_DEL(mode);
+ DEBUGFS_DEL(wep_iv);
+ DEBUGFS_DEL(tx_power_reduction);
+ DEBUGFS_DEL(modes);
+
+ DEBUGFS_STATS_DEL(transmitted_fragment_count);
+ DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
+ DEBUGFS_STATS_DEL(failed_count);
+ DEBUGFS_STATS_DEL(retry_count);
+ DEBUGFS_STATS_DEL(multiple_retry_count);
+ DEBUGFS_STATS_DEL(frame_duplicate_count);
+ 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);
+ DEBUGFS_STATS_DEL(tx_handlers_queued);
+ DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
+ DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
+ DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
+ DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
+ DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
+ DEBUGFS_STATS_DEL(rx_handlers_drop);
+ DEBUGFS_STATS_DEL(rx_handlers_queued);
+ DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
+ DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
+ DEBUGFS_STATS_DEL(rx_handlers_drop_short);
+ DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
+ DEBUGFS_STATS_DEL(tx_expand_skb_head);
+ DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
+ DEBUGFS_STATS_DEL(rx_expand_skb_head);
+ DEBUGFS_STATS_DEL(rx_expand_skb_head2);
+ DEBUGFS_STATS_DEL(rx_handlers_fragments);
+ DEBUGFS_STATS_DEL(tx_status_drop);
+ DEBUGFS_STATS_DEL(wme_tx_queue);
+ DEBUGFS_STATS_DEL(wme_rx_queue);
+#endif
+ DEBUGFS_STATS_DEL(dot11ACKFailureCount);
+ DEBUGFS_STATS_DEL(dot11RTSFailureCount);
+ DEBUGFS_STATS_DEL(dot11FCSErrorCount);
+ DEBUGFS_STATS_DEL(dot11RTSSuccessCount);
+
+ debugfs_remove(local->debugfs.statistics);
+ local->debugfs.statistics = NULL;
+ debugfs_remove(local->debugfs.stations);
+ local->debugfs.stations = NULL;
+ debugfs_remove(local->debugfs.keys);
+ local->debugfs.keys = NULL;
+}
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
new file mode 100644
index 0000000..dd25419
--- /dev/null
+++ b/net/mac80211/debugfs.h
@@ -0,0 +1,16 @@
+#ifndef __MAC80211_DEBUGFS_H
+#define __MAC80211_DEBUGFS_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+extern void debugfs_hw_add(struct ieee80211_local *local);
+extern void debugfs_hw_del(struct ieee80211_local *local);
+extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
+#else
+static inline void debugfs_hw_add(struct ieee80211_local *local)
+{
+ return;
+}
+static inline void debugfs_hw_del(struct ieee80211_local *local) {}
+#endif
+
+#endif /* __MAC80211_DEBUGFS_H */
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
new file mode 100644
index 0000000..7d56dc9
--- /dev/null
+++ b/net/mac80211/debugfs_key.c
@@ -0,0 +1,252 @@
+/*
+ * Copyright 2003-2005 Devicescape Software, Inc.
+ * Copyright (c) 2006 Jiri Benc <jbenc@...e.cz>
+ * Copyright 2007 Johannes Berg <johannes@...solutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kobject.h>
+#include "ieee80211_i.h"
+#include "ieee80211_key.h"
+#include "debugfs.h"
+#include "debugfs_key.h"
+
+#define KEY_READ(name, buflen, format_string) \
+static ssize_t key_##name##_read(struct file *file, \
+ char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ char buf[buflen]; \
+ struct ieee80211_key *key = file->private_data; \
+ int res = scnprintf(buf, buflen, format_string, key->name); \
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
+}
+#define KEY_READ_D(name) KEY_READ(name, 20, "%d\n")
+
+#define KEY_OPS(name) \
+static const struct file_operations key_ ##name## _ops = { \
+ .read = key_##name##_read, \
+ .open = mac80211_open_file_generic, \
+}
+
+#define KEY_FILE(name, format) \
+ KEY_READ_##format(name) \
+ KEY_OPS(name)
+
+KEY_FILE(keylen, D);
+KEY_FILE(force_sw_encrypt, D);
+KEY_FILE(keyidx, D);
+KEY_FILE(hw_key_idx, D);
+KEY_FILE(tx_rx_count, D);
+
+static ssize_t key_algorithm_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char *alg;
+ struct ieee80211_key *key = file->private_data;
+
+ switch (key->alg) {
+ case ALG_WEP:
+ alg = "WEP\n";
+ break;
+ case ALG_TKIP:
+ alg = "TKIP\n";
+ break;
+ case ALG_CCMP:
+ alg = "CCMP\n";
+ break;
+ default:
+ return 0;
+ }
+ return simple_read_from_buffer(userbuf, count, ppos, alg, strlen(alg));
+}
+KEY_OPS(algorithm);
+
+static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ const u8 *tpn;
+ char buf[20];
+ int len;
+ struct ieee80211_key *key = file->private_data;
+
+ switch (key->alg) {
+ case ALG_WEP:
+ len = scnprintf(buf, sizeof(buf), "\n");
+ case ALG_TKIP:
+ len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
+ key->u.tkip.iv32,
+ key->u.tkip.iv16);
+ case ALG_CCMP:
+ tpn = key->u.ccmp.tx_pn;
+ len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
+ tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
+ default:
+ return 0;
+ }
+ return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+}
+KEY_OPS(tx_spec);
+
+static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_key *key = file->private_data;
+ char buf[14*NUM_RX_DATA_QUEUES+1], *p = buf;
+ int i, len;
+ const u8 *rpn;
+
+ switch (key->alg) {
+ case ALG_WEP:
+ len = scnprintf(buf, sizeof(buf), "\n");
+ case ALG_TKIP:
+ for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "%08x %04x\n",
+ key->u.tkip.iv32_rx[i],
+ key->u.tkip.iv16_rx[i]);
+ len = p - buf;
+ case ALG_CCMP:
+ for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
+ rpn = key->u.ccmp.rx_pn[i];
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "%02x%02x%02x%02x%02x%02x\n",
+ rpn[0], rpn[1], rpn[2],
+ rpn[3], rpn[4], rpn[5]);
+ }
+ len = p - buf;
+ default:
+ return 0;
+ }
+ return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+}
+KEY_OPS(rx_spec);
+
+static ssize_t key_replays_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_key *key = file->private_data;
+ char buf[20];
+ int len;
+
+ if (key->alg != ALG_CCMP)
+ return 0;
+ len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
+ return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+}
+KEY_OPS(replays);
+
+static ssize_t key_key_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_key *key = file->private_data;
+ int i, res, bufsize = 2*key->keylen+2;
+ char *buf = kmalloc(bufsize, GFP_KERNEL);
+ char *p = buf;
+
+ for (i = 0; i < key->keylen; i++)
+ p += scnprintf(p, bufsize+buf-p, "%02x", key->key[i]);
+ p += scnprintf(p, bufsize+buf-p, "\n");
+ res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+ kfree(buf);
+ return res;
+}
+KEY_OPS(key);
+
+#define DEBUGFS_ADD(name) \
+ key->debugfs.name = debugfs_create_file(#name, 0400,\
+ key->debugfs.dir, key, &key_##name##_ops);
+
+void ieee80211_debugfs_key_add(struct ieee80211_local *local,
+ struct ieee80211_key *key)
+{
+ char buf[20];
+
+ if (!local->debugfs.keys)
+ return;
+
+ sprintf(buf, "%d", key->keyidx);
+ key->debugfs.dir = debugfs_create_dir(buf,
+ local->debugfs.keys);
+
+ if (!key->debugfs.dir)
+ return;
+
+ DEBUGFS_ADD(keylen);
+ DEBUGFS_ADD(force_sw_encrypt);
+ DEBUGFS_ADD(keyidx);
+ DEBUGFS_ADD(hw_key_idx);
+ DEBUGFS_ADD(tx_rx_count);
+ DEBUGFS_ADD(algorithm);
+ DEBUGFS_ADD(tx_spec);
+ DEBUGFS_ADD(rx_spec);
+ DEBUGFS_ADD(replays);
+ DEBUGFS_ADD(key);
+};
+
+#define DEBUGFS_DEL(name) \
+ debugfs_remove(key->debugfs.name); key->debugfs.name = NULL;
+
+void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
+{
+ if (!key)
+ return;
+
+ DEBUGFS_DEL(keylen);
+ DEBUGFS_DEL(force_sw_encrypt);
+ DEBUGFS_DEL(keyidx);
+ DEBUGFS_DEL(hw_key_idx);
+ DEBUGFS_DEL(tx_rx_count);
+ DEBUGFS_DEL(algorithm);
+ DEBUGFS_DEL(tx_spec);
+ DEBUGFS_DEL(rx_spec);
+ DEBUGFS_DEL(replays);
+ DEBUGFS_DEL(key);
+
+ debugfs_remove(key->debugfs.stalink);
+ key->debugfs.stalink = NULL;
+ debugfs_remove(key->debugfs.dir);
+ key->debugfs.dir = NULL;
+}
+void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
+{
+ char buf[50];
+
+ if (!sdata->debugfsdir)
+ return;
+
+ sprintf(buf, "../keys/%d", sdata->default_key->keyidx);
+ sdata->debugfs.default_key =
+ debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
+}
+void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
+{
+ if (!sdata)
+ return;
+
+ debugfs_remove(sdata->debugfs.default_key);
+ sdata->debugfs.default_key = NULL;
+}
+void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
+ struct sta_info *sta)
+{
+ char buf[50];
+
+ if (!key->debugfs.dir)
+ return;
+
+ sprintf(buf, "../sta/" MAC_FMT, MAC_ARG(sta->addr));
+ key->debugfs.stalink =
+ debugfs_create_symlink("station", key->debugfs.dir, buf);
+}
+
+void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
+ struct sta_info *sta)
+{
+ debugfs_remove(key->debugfs.stalink);
+ key->debugfs.stalink = NULL;
+}
diff --git a/net/mac80211/debugfs_key.h b/net/mac80211/debugfs_key.h
new file mode 100644
index 0000000..aecfce3
--- /dev/null
+++ b/net/mac80211/debugfs_key.h
@@ -0,0 +1,34 @@
+#ifndef __MAC80211_DEBUGFS_KEY_H
+#define __MAC80211_DEBUGFS_KEY_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ieee80211_debugfs_key_add(struct ieee80211_local *local,
+ struct ieee80211_key *key);
+void ieee80211_debugfs_key_remove(struct ieee80211_key *key);
+void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
+ struct sta_info *sta);
+void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
+ struct sta_info *sta);
+#else
+static inline void ieee80211_debugfs_key_add(struct ieee80211_local *local,
+ struct ieee80211_key *key)
+{}
+static inline void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
+{}
+static inline void ieee80211_debugfs_key_add_default(
+ struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_key_remove_default(
+ struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_key_sta_link(
+ struct ieee80211_key *key, struct sta_info *sta)
+{}
+static inline void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
+ struct sta_info *sta)
+{}
+#endif
+
+#endif /* __MAC80211_DEBUGFS_KEY_H */
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
new file mode 100644
index 0000000..9e39646
--- /dev/null
+++ b/net/mac80211/debugfs_netdev.c
@@ -0,0 +1,440 @@
+/*
+ * Copyright (c) 2006 Jiri Benc <jbenc@...e.cz>
+ * Copyright 2007 Johannes Berg <johannes@...solutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/if.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/notifier.h>
+#include <net/mac80211.h>
+#include <net/cfg80211.h>
+#include "ieee80211_i.h"
+#include "ieee80211_rate.h"
+#include "debugfs.h"
+#include "debugfs_netdev.h"
+
+static ssize_t ieee80211_if_read(
+ struct ieee80211_sub_if_data *sdata,
+ char __user *userbuf,
+ size_t count, loff_t *ppos,
+ ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
+{
+ char buf[70];
+ ssize_t ret = -EINVAL;
+
+ read_lock(&dev_base_lock);
+ if (sdata->dev->reg_state == NETREG_REGISTERED) {
+ ret = (*format)(sdata, buf, sizeof(buf));
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
+ }
+ read_unlock(&dev_base_lock);
+ return ret;
+}
+
+#define IEEE80211_IF_FMT(name, field, format_string) \
+static ssize_t ieee80211_if_fmt_##name( \
+ const struct ieee80211_sub_if_data *sdata, char *buf, \
+ int buflen) \
+{ \
+ return scnprintf(buf, buflen, format_string, sdata->field); \
+}
+#define IEEE80211_IF_FMT_DEC(name, field) \
+ IEEE80211_IF_FMT(name, field, "%d\n")
+#define IEEE80211_IF_FMT_HEX(name, field) \
+ IEEE80211_IF_FMT(name, field, "%#x\n")
+#define IEEE80211_IF_FMT_SIZE(name, field) \
+ IEEE80211_IF_FMT(name, field, "%zd\n")
+
+#define IEEE80211_IF_FMT_ATOMIC(name, field) \
+static ssize_t ieee80211_if_fmt_##name( \
+ const struct ieee80211_sub_if_data *sdata, \
+ char *buf, int buflen) \
+{ \
+ return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
+}
+
+#define IEEE80211_IF_FMT_MAC(name, field) \
+static ssize_t ieee80211_if_fmt_##name( \
+ const struct ieee80211_sub_if_data *sdata, char *buf, \
+ int buflen) \
+{ \
+ return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(sdata->field));\
+}
+
+#define __IEEE80211_IF_FILE(name) \
+static ssize_t ieee80211_if_read_##name(struct file *file, \
+ char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ return ieee80211_if_read(file->private_data, \
+ userbuf, count, ppos, \
+ ieee80211_if_fmt_##name); \
+} \
+static const struct file_operations name##_ops = { \
+ .read = ieee80211_if_read_##name, \
+ .open = mac80211_open_file_generic, \
+}
+
+#define IEEE80211_IF_FILE(name, field, format) \
+ IEEE80211_IF_FMT_##format(name, field) \
+ __IEEE80211_IF_FILE(name)
+
+/* common attributes */
+IEEE80211_IF_FILE(channel_use, channel_use, DEC);
+IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
+IEEE80211_IF_FILE(eapol, eapol, DEC);
+IEEE80211_IF_FILE(ieee8021_x, ieee802_1x, DEC);
+
+/* STA/IBSS attributes */
+IEEE80211_IF_FILE(state, u.sta.state, DEC);
+IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC);
+IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC);
+IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE);
+IEEE80211_IF_FILE(aid, u.sta.aid, DEC);
+IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX);
+IEEE80211_IF_FILE(capab, u.sta.capab, HEX);
+IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE);
+IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC);
+IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
+IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
+IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
+IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
+
+static ssize_t ieee80211_if_fmt_flags(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
+ sdata->u.sta.ssid_set ? "SSID\n" : "",
+ sdata->u.sta.bssid_set ? "BSSID\n" : "",
+ sdata->u.sta.prev_bssid_set ? "prev BSSID\n" : "",
+ sdata->u.sta.authenticated ? "AUTH\n" : "",
+ sdata->u.sta.associated ? "ASSOC\n" : "",
+ sdata->u.sta.probereq_poll ? "PROBEREQ POLL\n" : "",
+ sdata->u.sta.use_protection ? "CTS prot\n" : "");
+}
+__IEEE80211_IF_FILE(flags);
+
+/* AP attributes */
+IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
+IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC);
+IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
+IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
+IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
+IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC);
+
+static ssize_t ieee80211_if_fmt_num_buffered_multicast(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ return scnprintf(buf, buflen, "%u\n",
+ skb_queue_len(&sdata->u.ap.ps_bc_buf));
+}
+__IEEE80211_IF_FILE(num_buffered_multicast);
+
+static ssize_t ieee80211_if_fmt_beacon_head_len(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ if (sdata->u.ap.beacon_head)
+ return scnprintf(buf, buflen, "%d\n",
+ sdata->u.ap.beacon_head_len);
+ return scnprintf(buf, buflen, "\n");
+}
+__IEEE80211_IF_FILE(beacon_head_len);
+
+static ssize_t ieee80211_if_fmt_beacon_tail_len(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ if (sdata->u.ap.beacon_tail)
+ return scnprintf(buf, buflen, "%d\n",
+ sdata->u.ap.beacon_tail_len);
+ return scnprintf(buf, buflen, "\n");
+}
+__IEEE80211_IF_FILE(beacon_tail_len);
+
+/* WDS attributes */
+IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
+
+/* VLAN attributes */
+IEEE80211_IF_FILE(vlan_id, u.vlan.id, DEC);
+
+/* MONITOR attributes */
+static ssize_t ieee80211_if_fmt_mode(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ return scnprintf(buf, buflen, "%s\n",
+ ((local->hw.flags & IEEE80211_HW_MONITOR_DURING_OPER) ||
+ local->open_count == local->monitors) ?
+ "hard" : "soft");
+}
+__IEEE80211_IF_FILE(mode);
+
+
+#define DEBUGFS_ADD(name, type)\
+ sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\
+ sdata->debugfsdir, sdata, &name##_ops);
+
+static void add_sta_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(channel_use, sta);
+ DEBUGFS_ADD(drop_unencrypted, sta);
+ DEBUGFS_ADD(eapol, sta);
+ DEBUGFS_ADD(ieee8021_x, sta);
+ DEBUGFS_ADD(state, sta);
+ DEBUGFS_ADD(bssid, sta);
+ DEBUGFS_ADD(prev_bssid, sta);
+ DEBUGFS_ADD(ssid_len, sta);
+ DEBUGFS_ADD(aid, sta);
+ DEBUGFS_ADD(ap_capab, sta);
+ DEBUGFS_ADD(capab, sta);
+ DEBUGFS_ADD(extra_ie_len, sta);
+ DEBUGFS_ADD(auth_tries, sta);
+ DEBUGFS_ADD(assoc_tries, sta);
+ DEBUGFS_ADD(auth_algs, sta);
+ DEBUGFS_ADD(auth_alg, sta);
+ DEBUGFS_ADD(auth_transaction, sta);
+ DEBUGFS_ADD(flags, sta);
+}
+
+static void add_ap_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(channel_use, ap);
+ DEBUGFS_ADD(drop_unencrypted, ap);
+ DEBUGFS_ADD(eapol, ap);
+ DEBUGFS_ADD(ieee8021_x, ap);
+ DEBUGFS_ADD(num_sta_ps, ap);
+ DEBUGFS_ADD(dtim_period, ap);
+ DEBUGFS_ADD(dtim_count, ap);
+ DEBUGFS_ADD(num_beacons, ap);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+ DEBUGFS_ADD(num_buffered_multicast, ap);
+ DEBUGFS_ADD(beacon_head_len, ap);
+ DEBUGFS_ADD(beacon_tail_len, ap);
+}
+
+static void add_wds_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(channel_use, wds);
+ DEBUGFS_ADD(drop_unencrypted, wds);
+ DEBUGFS_ADD(eapol, wds);
+ DEBUGFS_ADD(ieee8021_x, wds);
+ DEBUGFS_ADD(peer, wds);
+}
+
+static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(channel_use, vlan);
+ DEBUGFS_ADD(drop_unencrypted, vlan);
+ DEBUGFS_ADD(eapol, vlan);
+ DEBUGFS_ADD(ieee8021_x, vlan);
+ DEBUGFS_ADD(vlan_id, vlan);
+}
+
+static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(mode, monitor);
+}
+
+static void add_files(struct ieee80211_sub_if_data *sdata)
+{
+ if (!sdata->debugfsdir)
+ return;
+
+ switch (sdata->type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ add_sta_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_AP:
+ add_ap_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_WDS:
+ add_wds_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_MNTR:
+ add_monitor_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_VLAN:
+ add_vlan_files(sdata);
+ break;
+ default:
+ break;
+ }
+}
+
+#define DEBUGFS_DEL(name, type)\
+ debugfs_remove(sdata->debugfs.type.name);\
+ sdata->debugfs.type.name = NULL;
+
+static void del_sta_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, sta);
+ DEBUGFS_DEL(drop_unencrypted, sta);
+ DEBUGFS_DEL(eapol, sta);
+ DEBUGFS_DEL(ieee8021_x, sta);
+ DEBUGFS_DEL(state, sta);
+ DEBUGFS_DEL(bssid, sta);
+ DEBUGFS_DEL(prev_bssid, sta);
+ DEBUGFS_DEL(ssid_len, sta);
+ DEBUGFS_DEL(aid, sta);
+ DEBUGFS_DEL(ap_capab, sta);
+ DEBUGFS_DEL(capab, sta);
+ DEBUGFS_DEL(extra_ie_len, sta);
+ DEBUGFS_DEL(auth_tries, sta);
+ DEBUGFS_DEL(assoc_tries, sta);
+ DEBUGFS_DEL(auth_algs, sta);
+ DEBUGFS_DEL(auth_alg, sta);
+ DEBUGFS_DEL(auth_transaction, sta);
+ DEBUGFS_DEL(flags, sta);
+}
+
+static void del_ap_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, ap);
+ DEBUGFS_DEL(drop_unencrypted, ap);
+ DEBUGFS_DEL(eapol, ap);
+ DEBUGFS_DEL(ieee8021_x, ap);
+ DEBUGFS_DEL(num_sta_ps, ap);
+ DEBUGFS_DEL(dtim_period, ap);
+ DEBUGFS_DEL(dtim_count, ap);
+ DEBUGFS_DEL(num_beacons, ap);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+ DEBUGFS_DEL(num_buffered_multicast, ap);
+ DEBUGFS_DEL(beacon_head_len, ap);
+ DEBUGFS_DEL(beacon_tail_len, ap);
+}
+
+static void del_wds_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, wds);
+ DEBUGFS_DEL(drop_unencrypted, wds);
+ DEBUGFS_DEL(eapol, wds);
+ DEBUGFS_DEL(ieee8021_x, wds);
+ DEBUGFS_DEL(peer, wds);
+}
+
+static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, vlan);
+ DEBUGFS_DEL(drop_unencrypted, vlan);
+ DEBUGFS_DEL(eapol, vlan);
+ DEBUGFS_DEL(ieee8021_x, vlan);
+ DEBUGFS_DEL(vlan_id, vlan);
+}
+
+static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(mode, monitor);
+}
+
+static void del_files(struct ieee80211_sub_if_data *sdata, int type)
+{
+ if (!sdata->debugfsdir)
+ return;
+
+ switch (type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ del_sta_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_AP:
+ del_ap_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_WDS:
+ del_wds_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_MNTR:
+ del_monitor_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_VLAN:
+ del_vlan_files(sdata);
+ break;
+ default:
+ break;
+ }
+}
+
+static int notif_registered;
+
+void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
+{
+ char buf[10+IFNAMSIZ];
+
+ if (!notif_registered)
+ return;
+
+ sprintf(buf, "netdev:%s", sdata->dev->name);
+ sdata->debugfsdir = debugfs_create_dir(buf,
+ sdata->local->hw.wiphy->debugfsdir);
+}
+
+void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
+{
+ del_files(sdata, sdata->type);
+ debugfs_remove(sdata->debugfsdir);
+ sdata->debugfsdir = NULL;
+}
+
+void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
+ int oldtype)
+{
+ del_files(sdata, oldtype);
+ add_files(sdata);
+}
+
+static int netdev_notify(struct notifier_block * nb,
+ unsigned long state,
+ void *ndev)
+{
+ struct net_device *dev = ndev;
+ char buf[10+IFNAMSIZ];
+
+ if (state != NETDEV_CHANGENAME)
+ return 0;
+
+ if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
+ return 0;
+
+ if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
+ return 0;
+
+ /* TODO
+ sprintf(buf, "netdev:%s", dev->name);
+ debugfs_rename(IEEE80211_DEV_TO_SUB_IF(dev)->debugfsdir, buf);
+ */
+
+ return 0;
+}
+
+static struct notifier_block mac80211_debugfs_netdev_notifier = {
+ .notifier_call = netdev_notify,
+};
+
+void ieee80211_debugfs_netdev_init(void)
+{
+ int err;
+
+ err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
+ if (err) {
+ printk(KERN_ERR
+ "mac80211: failed to install netdev notifier,"
+ " disabling per-netdev debugfs!\n");
+ } else
+ notif_registered = 1;
+}
+
+void ieee80211_debugfs_netdev_exit(void)
+{
+ unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
+ notif_registered = 0;
+}
diff --git a/net/mac80211/debugfs_netdev.h b/net/mac80211/debugfs_netdev.h
new file mode 100644
index 0000000..a690071
--- /dev/null
+++ b/net/mac80211/debugfs_netdev.h
@@ -0,0 +1,30 @@
+/* routines exported for debugfs handling */
+
+#ifndef __IEEE80211_DEBUGFS_NETDEV_H
+#define __IEEE80211_DEBUGFS_NETDEV_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
+ int oldtype);
+void ieee80211_debugfs_netdev_init(void);
+void ieee80211_debugfs_netdev_exit(void);
+#else
+static inline void ieee80211_debugfs_add_netdev(
+ struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_remove_netdev(
+ struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_change_if_type(
+ struct ieee80211_sub_if_data *sdata, int oldtype)
+{}
+static inline void ieee80211_debugfs_netdev_init(void)
+{}
+
+static inline void ieee80211_debugfs_netdev_exit(void)
+{}
+#endif
+
+#endif /* __IEEE80211_DEBUGFS_NETDEV_H */
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
new file mode 100644
index 0000000..d41e696
--- /dev/null
+++ b/net/mac80211/debugfs_sta.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright 2003-2005 Devicescape Software, Inc.
+ * Copyright (c) 2006 Jiri Benc <jbenc@...e.cz>
+ * Copyright 2007 Johannes Berg <johannes@...solutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/debugfs.h>
+#include <linux/ieee80211.h>
+#include "ieee80211_i.h"
+#include "debugfs.h"
+#include "debugfs_sta.h"
+#include "sta_info.h"
+
+/* sta attributtes */
+
+#define STA_READ(name, buflen, field, format_string) \
+static ssize_t sta_ ##name## _read(struct file *file, \
+ char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ int res; \
+ struct sta_info *sta = file->private_data; \
+ char buf[buflen]; \
+ res = scnprintf(buf, buflen, format_string, sta->field); \
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
+}
+#define STA_READ_D(name, field) STA_READ(name, 20, field, "%d\n")
+#define STA_READ_U(name, field) STA_READ(name, 20, field, "%u\n")
+#define STA_READ_LU(name, field) STA_READ(name, 20, field, "%lu\n")
+#define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n")
+
+#define STA_READ_RATE(name, field) \
+static ssize_t sta_##name##_read(struct file *file, \
+ char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct sta_info *sta = file->private_data; \
+ struct ieee80211_local *local = wdev_priv(sta->dev->ieee80211_ptr);\
+ struct ieee80211_hw_mode *mode = local->oper_hw_mode; \
+ char buf[20]; \
+ int res = scnprintf(buf, sizeof(buf), "%d\n", \
+ (sta->field >= 0 && \
+ sta->field < mode->num_rates) ? \
+ mode->rates[sta->field].rate : -1); \
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
+}
+
+#define STA_OPS(name) \
+static const struct file_operations sta_ ##name## _ops = { \
+ .read = sta_##name##_read, \
+ .open = mac80211_open_file_generic, \
+}
+
+#define STA_FILE(name, field, format) \
+ STA_READ_##format(name, field) \
+ STA_OPS(name)
+
+STA_FILE(aid, aid, D);
+STA_FILE(key_idx_compression, key_idx_compression, D);
+STA_FILE(dev, dev->name, S);
+STA_FILE(vlan_id, vlan_id, D);
+STA_FILE(rx_packets, rx_packets, LU);
+STA_FILE(tx_packets, tx_packets, LU);
+STA_FILE(rx_bytes, rx_bytes, LU);
+STA_FILE(tx_bytes, tx_bytes, LU);
+STA_FILE(rx_duplicates, num_duplicates, LU);
+STA_FILE(rx_fragments, rx_fragments, LU);
+STA_FILE(rx_dropped, rx_dropped, LU);
+STA_FILE(tx_fragments, tx_fragments, LU);
+STA_FILE(tx_filtered, tx_filtered_count, LU);
+STA_FILE(txrate, txrate, RATE);
+STA_FILE(last_txrate, last_txrate, RATE);
+STA_FILE(tx_retry_failed, tx_retry_failed, LU);
+STA_FILE(tx_retry_count, tx_retry_count, LU);
+STA_FILE(last_rssi, last_rssi, D);
+STA_FILE(last_signal, last_signal, D);
+STA_FILE(last_noise, last_noise, D);
+STA_FILE(channel_use, channel_use, D);
+STA_FILE(wep_weak_iv_count, wep_weak_iv_count, D);
+
+static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[100];
+ struct sta_info *sta = file->private_data;
+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
+ sta->flags & WLAN_STA_AUTH ? "AUTH\n" : "",
+ sta->flags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
+ sta->flags & WLAN_STA_PS ? "PS\n" : "",
+ sta->flags & WLAN_STA_TIM ? "TIM\n" : "",
+ sta->flags & WLAN_STA_PERM ? "PERM\n" : "",
+ sta->flags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
+ sta->flags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
+ sta->flags & WLAN_STA_WME ? "WME\n" : "",
+ sta->flags & WLAN_STA_WDS ? "WDS\n" : "");
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(flags);
+
+static ssize_t sta_num_ps_buf_frames_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[20];
+ struct sta_info *sta = file->private_data;
+ int res = scnprintf(buf, sizeof(buf), "%u\n",
+ skb_queue_len(&sta->ps_tx_buf));
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(num_ps_buf_frames);
+
+static ssize_t sta_last_ack_rssi_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[100];
+ struct sta_info *sta = file->private_data;
+ int res = scnprintf(buf, sizeof(buf), "%d %d %d\n",
+ sta->last_ack_rssi[0],
+ sta->last_ack_rssi[1],
+ sta->last_ack_rssi[2]);
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(last_ack_rssi);
+
+static ssize_t sta_last_ack_ms_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[20];
+ struct sta_info *sta = file->private_data;
+ int res = scnprintf(buf, sizeof(buf), "%d\n",
+ sta->last_ack ?
+ jiffies_to_msecs(jiffies - sta->last_ack) : -1);
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(last_ack_ms);
+
+static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[20];
+ struct sta_info *sta = file->private_data;
+ int res = scnprintf(buf, sizeof(buf), "%d\n",
+ jiffies_to_msecs(jiffies - sta->last_rx));
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(inactive_ms);
+
+static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
+ int i;
+ struct sta_info *sta = file->private_data;
+ for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
+ sta->last_seq_ctrl[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(last_seq_ctrl);
+
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+static ssize_t sta_wme_rx_queue_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
+ int i;
+ struct sta_info *sta = file->private_data;
+ for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
+ sta->wme_rx_queue[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(wme_rx_queue);
+
+static ssize_t sta_wme_tx_queue_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[15*NUM_TX_DATA_QUEUES], *p = buf;
+ int i;
+ struct sta_info *sta = file->private_data;
+ for (i = 0; i < NUM_TX_DATA_QUEUES; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
+ sta->wme_tx_queue[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(wme_tx_queue);
+#endif
+
+#define DEBUGFS_ADD(name) \
+ sta->debugfs.name = debugfs_create_file(#name, 0444, \
+ sta->debugfs.dir, sta, &sta_ ##name## _ops);
+
+#define DEBUGFS_DEL(name) \
+ debugfs_remove(sta->debugfs.name);\
+ sta->debugfs.name = NULL;
+
+
+void ieee80211_sta_debugfs_add(struct sta_info *sta)
+{
+ char buf[3*6];
+ struct dentry *stations_dir = sta->local->debugfs.stations;
+
+ if (!stations_dir)
+ return;
+
+ sprintf(buf, MAC_FMT, MAC_ARG(sta->addr));
+
+ sta->debugfs.dir = debugfs_create_dir(buf, stations_dir);
+ if (!sta->debugfs.dir)
+ return;
+
+ DEBUGFS_ADD(flags);
+ DEBUGFS_ADD(num_ps_buf_frames);
+ DEBUGFS_ADD(last_ack_rssi);
+ DEBUGFS_ADD(last_ack_ms);
+ DEBUGFS_ADD(inactive_ms);
+ DEBUGFS_ADD(last_seq_ctrl);
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+ DEBUGFS_ADD(wme_rx_queue);
+ DEBUGFS_ADD(wme_tx_queue);
+#endif
+}
+
+void ieee80211_sta_debugfs_remove(struct sta_info *sta)
+{
+ DEBUGFS_DEL(flags);
+ DEBUGFS_DEL(num_ps_buf_frames);
+ DEBUGFS_DEL(last_ack_rssi);
+ DEBUGFS_DEL(last_ack_ms);
+ DEBUGFS_DEL(inactive_ms);
+ DEBUGFS_DEL(last_seq_ctrl);
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+ DEBUGFS_DEL(wme_rx_queue);
+ DEBUGFS_DEL(wme_tx_queue);
+#endif
+
+ debugfs_remove(sta->debugfs.dir);
+ sta->debugfs.dir = NULL;
+}
diff --git a/net/mac80211/debugfs_sta.h b/net/mac80211/debugfs_sta.h
new file mode 100644
index 0000000..574a1cd
--- /dev/null
+++ b/net/mac80211/debugfs_sta.h
@@ -0,0 +1,12 @@
+#ifndef __MAC80211_DEBUGFS_STA_H
+#define __MAC80211_DEBUGFS_STA_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ieee80211_sta_debugfs_add(struct sta_info *sta);
+void ieee80211_sta_debugfs_remove(struct sta_info *sta);
+#else
+static inline void ieee80211_sta_debugfs_add(struct sta_info *sta) {}
+static inline void ieee80211_sta_debugfs_remove(struct sta_info *sta) {}
+#endif
+
+#endif /* __MAC80211_DEBUGFS_STA_H */
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 48a832d..6e36df6 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -35,6 +35,9 @@
#include "aes_ccm.h"
#include "ieee80211_led.h"
#include "ieee80211_cfg.h"
+#include "debugfs.h"
+#include "debugfs_netdev.h"
+#include "debugfs_key.h"
/* privid for wiphys to determine whether they belong to us or not */
void *mac80211_wiphy_privid = &mac80211_wiphy_privid;
@@ -108,6 +111,7 @@ static void ieee80211_key_release(struct kref *kref)
key = container_of(kref, struct ieee80211_key, kref);
if (key->alg == ALG_CCMP)
ieee80211_aes_key_free(key->u.ccmp.tfm);
+ ieee80211_debugfs_key_remove(key);
kfree(key);
}
@@ -4704,6 +4708,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
goto fail_workqueue;
}
+ debugfs_hw_add(local);
+
local->hw.conf.beacon_int = 1000;
local->wstats_flags |= local->hw.max_rssi ?
@@ -4731,6 +4737,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (result < 0)
goto fail_dev;
+ ieee80211_debugfs_add_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
+
result = ieee80211_init_rate_ctrl_alg(local, NULL);
if (result < 0) {
printk(KERN_DEBUG "%s: Failed to initialize rate control "
@@ -4765,11 +4773,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
fail_wep:
rate_control_deinitialize(local);
fail_rate:
+ ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
unregister_netdevice(local->mdev);
fail_dev:
rtnl_unlock();
sta_info_stop(local);
fail_sta_info:
+ debugfs_hw_del(local);
destroy_workqueue(local->hw.workqueue);
fail_workqueue:
wiphy_unregister(local->hw.wiphy);
@@ -4844,6 +4854,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
ieee80211_clear_tx_pending(local);
sta_info_stop(local);
rate_control_deinitialize(local);
+ debugfs_hw_del(local);
for (i = 0; i < NUM_IEEE80211_MODES; i++) {
kfree(local->supp_rates[i]);
@@ -4953,6 +4964,8 @@ static int __init ieee80211_init(void)
return ret;
}
+ ieee80211_debugfs_netdev_init();
+
return 0;
}
@@ -4960,6 +4973,7 @@ static int __init ieee80211_init(void)
static void __exit ieee80211_exit(void)
{
ieee80211_wme_unregister();
+ ieee80211_debugfs_netdev_exit();
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ae94d64..af4d14d 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -307,6 +307,65 @@ struct ieee80211_sub_if_data {
} u;
int channel_use;
int channel_use_raw;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct dentry *debugfsdir;
+ union {
+ struct {
+ struct dentry *channel_use;
+ struct dentry *drop_unencrypted;
+ struct dentry *eapol;
+ struct dentry *ieee8021_x;
+ struct dentry *state;
+ struct dentry *bssid;
+ struct dentry *prev_bssid;
+ struct dentry *ssid_len;
+ struct dentry *aid;
+ struct dentry *ap_capab;
+ struct dentry *capab;
+ struct dentry *extra_ie_len;
+ struct dentry *auth_tries;
+ struct dentry *assoc_tries;
+ struct dentry *auth_algs;
+ struct dentry *auth_alg;
+ struct dentry *auth_transaction;
+ struct dentry *flags;
+ } sta;
+ struct {
+ struct dentry *channel_use;
+ struct dentry *drop_unencrypted;
+ struct dentry *eapol;
+ struct dentry *ieee8021_x;
+ struct dentry *num_sta_ps;
+ struct dentry *dtim_period;
+ struct dentry *dtim_count;
+ struct dentry *num_beacons;
+ struct dentry *force_unicast_rateidx;
+ struct dentry *max_ratectrl_rateidx;
+ struct dentry *num_buffered_multicast;
+ struct dentry *beacon_head_len;
+ struct dentry *beacon_tail_len;
+ } ap;
+ struct {
+ struct dentry *channel_use;
+ struct dentry *drop_unencrypted;
+ struct dentry *eapol;
+ struct dentry *ieee8021_x;
+ struct dentry *peer;
+ } wds;
+ struct {
+ struct dentry *channel_use;
+ struct dentry *drop_unencrypted;
+ struct dentry *eapol;
+ struct dentry *ieee8021_x;
+ struct dentry *vlan_id;
+ } vlan;
+ struct {
+ struct dentry *mode;
+ } monitor;
+ struct dentry *default_key;
+ } debugfs;
+#endif
};
#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
@@ -444,6 +503,10 @@ struct ieee80211_local {
u32 stat_time;
struct timer_list stat_timer;
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct work_struct sta_debugfs_add;
+#endif
+
enum {
STA_ANTENNA_SEL_AUTO = 0,
STA_ANTENNA_SEL_SW_CTRL = 1,
@@ -500,6 +563,70 @@ struct ieee80211_local {
* (1 << MODE_*) */
int user_space_mlme;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct local_debugfsdentries {
+ struct dentry *channel;
+ struct dentry *frequency;
+ struct dentry *radar_detect;
+ struct dentry *antenna_sel_tx;
+ struct dentry *antenna_sel_rx;
+ struct dentry *bridge_packets;
+ struct dentry *key_tx_rx_threshold;
+ struct dentry *rts_threshold;
+ struct dentry *fragmentation_threshold;
+ struct dentry *short_retry_limit;
+ struct dentry *long_retry_limit;
+ struct dentry *total_ps_buffered;
+ struct dentry *mode;
+ struct dentry *wep_iv;
+ struct dentry *tx_power_reduction;
+ struct dentry *modes;
+ struct dentry *statistics;
+ struct local_debugfsdentries_statsdentries {
+ struct dentry *transmitted_fragment_count;
+ struct dentry *multicast_transmitted_frame_count;
+ struct dentry *failed_count;
+ struct dentry *retry_count;
+ struct dentry *multiple_retry_count;
+ struct dentry *frame_duplicate_count;
+ struct dentry *received_fragment_count;
+ struct dentry *multicast_received_frame_count;
+ struct dentry *transmitted_frame_count;
+ struct dentry *wep_undecryptable_count;
+ struct dentry *num_scans;
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+ struct dentry *tx_handlers_drop;
+ struct dentry *tx_handlers_queued;
+ struct dentry *tx_handlers_drop_unencrypted;
+ struct dentry *tx_handlers_drop_fragment;
+ struct dentry *tx_handlers_drop_wep;
+ struct dentry *tx_handlers_drop_not_assoc;
+ struct dentry *tx_handlers_drop_unauth_port;
+ struct dentry *rx_handlers_drop;
+ struct dentry *rx_handlers_queued;
+ struct dentry *rx_handlers_drop_nullfunc;
+ struct dentry *rx_handlers_drop_defrag;
+ struct dentry *rx_handlers_drop_short;
+ struct dentry *rx_handlers_drop_passive_scan;
+ struct dentry *tx_expand_skb_head;
+ struct dentry *tx_expand_skb_head_cloned;
+ struct dentry *rx_expand_skb_head;
+ struct dentry *rx_expand_skb_head2;
+ struct dentry *rx_handlers_fragments;
+ struct dentry *tx_status_drop;
+ struct dentry *wme_tx_queue;
+ struct dentry *wme_rx_queue;
+#endif
+ struct dentry *dot11ACKFailureCount;
+ struct dentry *dot11RTSFailureCount;
+ struct dentry *dot11FCSErrorCount;
+ struct dentry *dot11RTSSuccessCount;
+ } stats;
+ struct dentry *stations;
+ struct dentry *keys;
+ } debugfs;
+#endif
};
static inline struct ieee80211_local *hw_to_local(
diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index 64267d4..cf0f32e 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -14,6 +14,7 @@
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "sta_info.h"
+#include "debugfs_netdev.h"
void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
{
@@ -73,6 +74,7 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
if (ret)
goto fail;
+ ieee80211_debugfs_add_netdev(sdata);
ieee80211_if_set_type(ndev, type);
write_lock_bh(&local->sub_if_lock);
@@ -126,6 +128,8 @@ int ieee80211_if_add_mgmt(struct ieee80211_local *local)
if (ret)
goto fail;
+ ieee80211_debugfs_add_netdev(nsdata);
+
if (local->open_count > 0)
dev_open(ndev);
local->apdev = ndev;
@@ -142,6 +146,7 @@ void ieee80211_if_del_mgmt(struct ieee80211_local *local)
ASSERT_RTNL();
apdev = local->apdev;
+ ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(apdev));
local->apdev = NULL;
unregister_netdevice(apdev);
}
@@ -150,6 +155,7 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ int oldtype = sdata->type;
sdata->type = type;
switch (type) {
@@ -195,6 +201,7 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x",
dev->name, __FUNCTION__, type);
}
+ ieee80211_debugfs_change_if_type(sdata, oldtype);
ieee80211_update_default_wep_only(local);
}
@@ -303,6 +310,7 @@ void __ieee80211_if_del(struct ieee80211_local *local,
{
struct net_device *dev = sdata->dev;
+ ieee80211_debugfs_remove_netdev(sdata);
unregister_netdevice(dev);
/* Except master interface, the net_device will be freed by
* net_device->destructor (i. e. ieee80211_if_free). */
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 73909ec..352f03b 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -25,6 +25,7 @@
#include "ieee80211_rate.h"
#include "wpa.h"
#include "aes_ccm.h"
+#include "debugfs_key.h"
static int ieee80211_regdom = 0x10; /* FCC */
module_param(ieee80211_regdom, int, 0444);
@@ -180,8 +181,11 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
}
kfree(keyconf);
- if (set_tx_key || sdata->default_key == key)
+ if (set_tx_key || sdata->default_key == key) {
+ ieee80211_debugfs_key_remove_default(sdata);
sdata->default_key = NULL;
+ }
+ ieee80211_debugfs_key_remove(key);
if (sta)
sta->key = NULL;
else
@@ -221,13 +225,19 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
}
}
- if (set_tx_key || sdata->default_key == old_key)
+ if (set_tx_key || sdata->default_key == old_key) {
+ ieee80211_debugfs_key_remove_default(sdata);
sdata->default_key = NULL;
+ }
+ ieee80211_debugfs_key_remove(old_key);
if (sta)
sta->key = key;
else
sdata->keys[idx] = key;
ieee80211_key_free(old_key);
+ ieee80211_debugfs_key_add(local, key);
+ if (sta)
+ ieee80211_debugfs_key_sta_link(key, sta);
if (try_hwaccel &&
(alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP))
@@ -236,6 +246,8 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
if (set_tx_key || (!sta && !sdata->default_key && key)) {
sdata->default_key = key;
+ if (key)
+ ieee80211_debugfs_key_add_default(sdata);
if (local->ops->set_key_idx &&
local->ops->set_key_idx(local_to_hw(local), idx))
@@ -1505,8 +1517,12 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
alg = ALG_NONE;
else if (erq->length == 0) {
/* No key data - just set the default TX key index */
- if (sdata->default_key != sdata->keys[idx])
+ if (sdata->default_key != sdata->keys[idx]) {
+ ieee80211_debugfs_key_remove_default(sdata);
sdata->default_key = sdata->keys[idx];
+ if (sdata->default_key)
+ ieee80211_debugfs_key_add_default(sdata);
+ }
return 0;
}
diff --git a/net/mac80211/ieee80211_key.h b/net/mac80211/ieee80211_key.h
index da67d87..c333849 100644
--- a/net/mac80211/ieee80211_key.h
+++ b/net/mac80211/ieee80211_key.h
@@ -83,6 +83,23 @@ struct ieee80211_key {
* (used only for broadcast keys). */
s8 keyidx; /* WEP key index */
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct {
+ struct dentry *stalink;
+ struct dentry *dir;
+ struct dentry *keylen;
+ struct dentry *force_sw_encrypt;
+ struct dentry *keyidx;
+ struct dentry *hw_key_idx;
+ struct dentry *tx_rx_count;
+ struct dentry *algorithm;
+ struct dentry *tx_spec;
+ struct dentry *rx_spec;
+ struct dentry *replays;
+ struct dentry *key;
+ } debugfs;
+#endif
+
u8 key[0];
};
diff --git a/net/mac80211/ieee80211_rate.h b/net/mac80211/ieee80211_rate.h
index 710f568..f021a02 100644
--- a/net/mac80211/ieee80211_rate.h
+++ b/net/mac80211/ieee80211_rate.h
@@ -56,6 +56,9 @@ struct rate_control_ops {
int (*add_attrs)(void *priv, struct kobject *kobj);
void (*remove_attrs)(void *priv, struct kobject *kobj);
+ void (*add_sta_debugfs)(void *priv, void *priv_sta,
+ struct dentry *dir);
+ void (*remove_sta_debugfs)(void *priv, void *priv_sta);
};
struct rate_control_ref {
@@ -119,4 +122,23 @@ static inline void rate_control_free_sta(struct rate_control_ref *ref,
ref->ops->free_sta(ref->priv, priv);
}
+static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct rate_control_ref *ref = sta->rate_ctrl;
+ if (sta->debugfs.dir && ref->ops->add_sta_debugfs)
+ ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
+ sta->debugfs.dir);
+#endif
+}
+
+static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct rate_control_ref *ref = sta->rate_ctrl;
+ if (ref->ops->remove_sta_debugfs)
+ ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
+#endif
+}
+
#endif /* IEEE80211_RATE_H */
diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c
index 68bddae..2048cfd 100644
--- a/net/mac80211/rc80211_simple.c
+++ b/net/mac80211/rc80211_simple.c
@@ -18,6 +18,7 @@
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
+#include "debugfs.h"
/* This is a minimal implementation of TX rate controlling that can be used
@@ -121,6 +122,11 @@ struct sta_rate_control {
unsigned long avg_rate_update;
u32 tx_avg_rate_sum;
u32 tx_avg_rate_num;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct dentry *tx_avg_rate_sum_dentry;
+ struct dentry *tx_avg_rate_num_dentry;
+#endif
};
@@ -327,6 +333,67 @@ static void rate_control_simple_free_sta(void *priv, void *priv_sta)
kfree(rctrl);
}
+#ifdef CONFIG_MAC80211_DEBUGFS
+
+static int open_file_generic(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static ssize_t sta_tx_avg_rate_sum_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_rate_control *srctrl = file->private_data;
+ char buf[20];
+
+ sprintf(buf, "%d\n", srctrl->tx_avg_rate_sum);
+ return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
+}
+
+static const struct file_operations sta_tx_avg_rate_sum_ops = {
+ .read = sta_tx_avg_rate_sum_read,
+ .open = open_file_generic,
+};
+
+static ssize_t sta_tx_avg_rate_num_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_rate_control *srctrl = file->private_data;
+ char buf[20];
+
+ sprintf(buf, "%d\n", srctrl->tx_avg_rate_num);
+ return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
+}
+
+static const struct file_operations sta_tx_avg_rate_num_ops = {
+ .read = sta_tx_avg_rate_num_read,
+ .open = open_file_generic,
+};
+
+static void rate_control_simple_add_sta_debugfs(void *priv, void *priv_sta,
+ struct dentry *dir)
+{
+ struct sta_rate_control *srctrl = priv_sta;
+
+ srctrl->tx_avg_rate_num_dentry =
+ debugfs_create_file("rc_simple_sta_tx_avg_rate_num", 0400,
+ dir, srctrl, &sta_tx_avg_rate_num_ops);
+ srctrl->tx_avg_rate_sum_dentry =
+ debugfs_create_file("rc_simple_sta_tx_avg_rate_sum", 0400,
+ dir, srctrl, &sta_tx_avg_rate_sum_ops);
+}
+
+static void rate_control_simple_remove_sta_debugfs(void *priv, void *priv_sta)
+{
+ struct sta_rate_control *srctrl = priv_sta;
+
+ debugfs_remove(srctrl->tx_avg_rate_sum_dentry);
+ debugfs_remove(srctrl->tx_avg_rate_num_dentry);
+}
+#endif
static struct rate_control_ops rate_control_simple = {
.module = THIS_MODULE,
@@ -339,6 +406,10 @@ static struct rate_control_ops rate_control_simple = {
.free = rate_control_simple_free,
.alloc_sta = rate_control_simple_alloc_sta,
.free_sta = rate_control_simple_free_sta,
+#ifdef CONFIG_MAC80211_DEBUGFS
+ .add_sta_debugfs = rate_control_simple_add_sta_debugfs,
+ .remove_sta_debugfs = rate_control_simple_remove_sta_debugfs,
+#endif
};
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index cddaf57..ab7b1f0 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -19,6 +19,8 @@
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
#include "sta_info.h"
+#include "debugfs_key.h"
+#include "debugfs_sta.h"
/* Caller must hold local->sta_lock */
static void sta_info_hash_add(struct ieee80211_local *local,
@@ -120,6 +122,8 @@ static void sta_info_release(struct kref *kref)
}
rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv);
rate_control_put(sta->rate_ctrl);
+ if (sta->key)
+ ieee80211_debugfs_key_sta_del(sta->key, sta);
kfree(sta);
}
@@ -173,9 +177,42 @@ struct sta_info * sta_info_add(struct ieee80211_local *local,
local->mdev->name, MAC_ARG(addr));
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+#ifdef CONFIG_MAC80211_DEBUGFS
+ if (!in_interrupt()) {
+ sta->debugfs_registered = 1;
+ ieee80211_sta_debugfs_add(sta);
+ rate_control_add_sta_debugfs(sta);
+ } else {
+ /* debugfs entry adding might sleep, so schedule process
+ * context task for adding entry for STAs that do not yet
+ * have one. */
+ queue_work(local->hw.workqueue, &local->sta_debugfs_add);
+ }
+#endif
+
return sta;
}
+static void finish_sta_info_free(struct ieee80211_local *local,
+ struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n",
+ local->mdev->name, MAC_ARG(sta->addr));
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+
+ if (sta->key) {
+ ieee80211_debugfs_key_remove(sta->key);
+ ieee80211_key_free(sta->key);
+ sta->key = NULL;
+ }
+
+ rate_control_remove_sta_debugfs(sta);
+ ieee80211_sta_debugfs_remove(sta);
+
+ sta_info_put(sta);
+}
+
static void sta_info_remove(struct sta_info *sta)
{
struct ieee80211_local *local = sta->local;
@@ -239,17 +276,13 @@ void sta_info_free(struct sta_info *sta, int locked)
sta->key_idx_compression = HW_KEY_IDX_INVALID;
}
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n",
- local->mdev->name, MAC_ARG(sta->addr));
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
-
- if (sta->key) {
- ieee80211_key_free(sta->key);
- sta->key = NULL;
- }
-
- sta_info_put(sta);
+#ifdef CONFIG_MAC80211_DEBUGFS
+ if (in_atomic()) {
+ list_add(&sta->list, &local->deleted_sta_list);
+ queue_work(local->hw.workqueue, &local->sta_debugfs_add);
+ } else
+#endif
+ finish_sta_info_free(local, sta);
}
@@ -322,6 +355,50 @@ static void sta_info_cleanup(unsigned long data)
add_timer(&local->sta_cleanup);
}
+#ifdef CONFIG_MAC80211_DEBUGFS
+static void sta_info_debugfs_add_task(struct work_struct *work)
+{
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local, sta_debugfs_add);
+ struct sta_info *sta, *tmp;
+
+ while (1) {
+ spin_lock_bh(&local->sta_lock);
+ if (!list_empty(&local->deleted_sta_list)) {
+ sta = list_entry(local->deleted_sta_list.next,
+ struct sta_info, list);
+ list_del(local->deleted_sta_list.next);
+ } else
+ sta = NULL;
+ spin_unlock_bh(&local->sta_lock);
+ if (!sta)
+ break;
+ finish_sta_info_free(local, sta);
+ }
+
+ while (1) {
+ sta = NULL;
+ spin_lock_bh(&local->sta_lock);
+ list_for_each_entry(tmp, &local->sta_list, list) {
+ if (!tmp->debugfs_registered) {
+ sta = tmp;
+ __sta_info_get(sta);
+ break;
+ }
+ }
+ spin_unlock_bh(&local->sta_lock);
+
+ if (!sta)
+ break;
+
+ sta->debugfs_registered = 1;
+ ieee80211_sta_debugfs_add(sta);
+ rate_control_add_sta_debugfs(sta);
+ sta_info_put(sta);
+ }
+}
+#endif
+
void sta_info_init(struct ieee80211_local *local)
{
spin_lock_init(&local->sta_lock);
@@ -332,6 +409,10 @@ void sta_info_init(struct ieee80211_local *local)
local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
local->sta_cleanup.data = (unsigned long) local;
local->sta_cleanup.function = sta_info_cleanup;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ INIT_WORK(&local->sta_debugfs_add, sta_info_debugfs_add_task);
+#endif
}
int sta_info_start(struct ieee80211_local *local)
@@ -347,7 +428,10 @@ void sta_info_stop(struct ieee80211_local *local)
del_timer(&local->sta_cleanup);
list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {
- /* We don't need locking at this point. */
+ /* sta_info_free must be called with 0 as the last
+ * parameter to ensure all debugfs sta entries are
+ * unregistered. We don't need locking at this
+ * point. */
sta_info_free(sta, 0);
}
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index f26e1c2..b5591d2 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -98,6 +98,9 @@ struct sta_info {
* filtering; used only if sta->key is not
* set */
+#ifdef CONFIG_MAC80211_DEBUGFS
+ int debugfs_registered;
+#endif
int assoc_ap; /* whether this is an AP that we are
* associated with as a client */
@@ -109,6 +112,22 @@ struct sta_info {
int vlan_id;
u16 listen_interval;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct sta_info_debugfsdentries {
+ struct dentry *dir;
+ struct dentry *flags;
+ struct dentry *num_ps_buf_frames;
+ struct dentry *last_ack_rssi;
+ struct dentry *last_ack_ms;
+ struct dentry *inactive_ms;
+ struct dentry *last_seq_ctrl;
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+ struct dentry *wme_rx_queue;
+ struct dentry *wme_tx_queue;
+#endif
+ } debugfs;
+#endif
};
--
1.5.0.6
--
John W. Linville
linville@...driver.com
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