+
/*
* mac80211 debugfs for wireless PHYs
*
#include <linux/debugfs.h>
#include <linux/rtnetlink.h>
#include "ieee80211_i.h"
-#include "ieee80211_rate.h"
+#include "driver-ops.h"
+#include "rate.h"
#include "debugfs.h"
int mac80211_open_file_generic(struct inode *inode, struct file *file)
};
#define DEBUGFS_ADD(name) \
- local->debugfs.name = debugfs_create_file(#name, 0444, phyd, \
- local, &name## _ops);
+ debugfs_create_file(#name, 0400, phyd, local, &name## _ops);
-#define DEBUGFS_DEL(name) \
- debugfs_remove(local->debugfs.name); \
- local->debugfs.name = NULL;
+#define DEBUGFS_ADD_MODE(name, mode) \
+ debugfs_create_file(#name, mode, phyd, local, &name## _ops);
DEBUGFS_READONLY_FILE(frequency, 20, "%d",
local->hw.conf.channel->center_freq);
-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(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(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>");
+ local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
-/* statistics stuff */
+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;
+ char buf[100];
+
+ tsf = drv_get_tsf(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) {
+ drv_reset_tsf(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) {
+ drv_set_tsf(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 inline int rtnl_lock_local(struct ieee80211_local *local)
+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();
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) {
- rtnl_unlock();
- return -ENODEV;
+ __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,
+};
+
+static ssize_t noack_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ int res;
+ char buf[10];
+
+ res = scnprintf(buf, sizeof(buf), "%d\n", local->wifi_wme_noack_test);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+}
+
+static ssize_t noack_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ char buf[10];
+ size_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+
+ local->wifi_wme_noack_test = !!simple_strtoul(buf, NULL, 0);
+
+ return count;
+}
+
+static const struct file_operations noack_ops = {
+ .read = noack_read,
+ .write = noack_write,
+ .open = mac80211_open_file_generic
+};
+
+static ssize_t uapsd_queues_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ int res;
+ char buf[10];
+
+ res = scnprintf(buf, sizeof(buf), "0x%x\n", local->uapsd_queues);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+}
+
+static ssize_t uapsd_queues_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ unsigned long val;
+ char buf[10];
+ size_t len;
+ int ret;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+
+ ret = strict_strtoul(buf, 0, &val);
+
+ if (ret)
+ return -EINVAL;
+
+ if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
+ return -ERANGE;
+
+ local->uapsd_queues = val;
+
+ return count;
+}
+
+static const struct file_operations uapsd_queues_ops = {
+ .read = uapsd_queues_read,
+ .write = uapsd_queues_write,
+ .open = mac80211_open_file_generic
+};
+
+static ssize_t uapsd_max_sp_len_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ int res;
+ char buf[10];
+
+ res = scnprintf(buf, sizeof(buf), "0x%x\n", local->uapsd_max_sp_len);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+}
+
+static ssize_t uapsd_max_sp_len_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ unsigned long val;
+ char buf[10];
+ size_t len;
+ int ret;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+
+ ret = strict_strtoul(buf, 0, &val);
+
+ if (ret)
+ return -EINVAL;
+
+ if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
+ return -ERANGE;
+
+ local->uapsd_max_sp_len = val;
+
+ return count;
+}
+
+static const struct file_operations uapsd_max_sp_len_ops = {
+ .read = uapsd_max_sp_len_read,
+ .write = uapsd_max_sp_len_write,
+ .open = mac80211_open_file_generic
+};
+
+static ssize_t channel_type_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ const char *buf;
+
+ switch (local->hw.conf.channel_type) {
+ case NL80211_CHAN_NO_HT:
+ buf = "no ht\n";
+ break;
+ case NL80211_CHAN_HT20:
+ buf = "ht20\n";
+ break;
+ case NL80211_CHAN_HT40MINUS:
+ buf = "ht40-\n";
+ break;
+ case NL80211_CHAN_HT40PLUS:
+ buf = "ht40+\n";
+ break;
+ default:
+ buf = "???";
+ break;
}
- return 0;
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
+static const struct file_operations channel_type_ops = {
+ .read = channel_type_read,
+ .open = mac80211_open_file_generic
+};
+
+static ssize_t queues_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ unsigned long flags;
+ char buf[IEEE80211_MAX_QUEUES * 20];
+ int q, res = 0;
+
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ for (q = 0; q < local->hw.queues; q++)
+ res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
+ local->queue_stop_reasons[q],
+ skb_queue_len(&local->pending[q]));
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+}
+
+static const struct file_operations queues_ops = {
+ .read = queues_read,
+ .open = mac80211_open_file_generic
+};
+
+/* statistics stuff */
+
#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \
DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
char buf[20];
int res;
- if (!local->ops->get_stats)
- return -EOPNOTSUPP;
-
- res = rtnl_lock_local(local);
+ rtnl_lock();
+ res = drv_get_stats(local, &stats);
+ rtnl_unlock();
if (res)
return res;
-
- res = local->ops->get_stats(local_to_hw(local), &stats);
- rtnl_unlock();
- if (!res)
- res = printvalue(&stats, buf, sizeof(buf));
+ res = printvalue(&stats, buf, sizeof(buf));
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
};
#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_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
local->dot11TransmittedFragmentCount);
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_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);
local->debugfs.keys = debugfs_create_dir("keys", phyd);
DEBUGFS_ADD(frequency);
- DEBUGFS_ADD(antenna_sel_tx);
- DEBUGFS_ADD(antenna_sel_rx);
- DEBUGFS_ADD(bridge_packets);
- 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(wep_iv);
+ DEBUGFS_ADD(tsf);
+ DEBUGFS_ADD(queues);
+ DEBUGFS_ADD_MODE(reset, 0200);
+ DEBUGFS_ADD(noack);
+ DEBUGFS_ADD(uapsd_queues);
+ DEBUGFS_ADD(uapsd_max_sp_len);
+ DEBUGFS_ADD(channel_type);
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)
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(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(frequency);
- DEBUGFS_DEL(antenna_sel_tx);
- DEBUGFS_DEL(antenna_sel_rx);
- DEBUGFS_DEL(bridge_packets);
- 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(wep_iv);
-
- 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;
-}