1 files changed, 128 insertions, 47 deletions

diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index a694c593ff6a..186e02f7cc32 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -21,23 +21,43 @@ int mac80211_open_file_generic(struct inode *inode, struct file *file)
         return 0;
 }
 
-#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)              \
+#define DEBUGFS_FORMAT_BUFFER_SIZE 100
+
+int mac80211_format_buffer(char __user *userbuf, size_t count,
+                                  loff_t *ppos, char *fmt, ...)
+{
+        va_list args;
+        char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
+        int res;
+
+        va_start(args, fmt);
+        res = vscnprintf(buf, sizeof(buf), fmt, args);
+        va_end(args);
+
+        return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+
+#define DEBUGFS_READONLY_FILE_FN(name, 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); \
-}                                                                       \
                                                                         \
+        return mac80211_format_buffer(userbuf, count, ppos,             \
+                                      fmt "\n", ##value);               \
+}
+
+#define DEBUGFS_READONLY_FILE_OPS(name)                 \
 static const struct file_operations name## _ops = {                     \
         .read = name## _read,                                           \
         .open = mac80211_open_file_generic,                             \
+        .llseek = generic_file_llseek,                                  \
 };
 
+#define DEBUGFS_READONLY_FILE(name, fmt, value...)              \
+        DEBUGFS_READONLY_FILE_FN(name, fmt, value)              \
+        DEBUGFS_READONLY_FILE_OPS(name)
+
 #define DEBUGFS_ADD(name)                                               \
         debugfs_create_file(#name, 0400, phyd, local, &name## _ops);
 
@@ -45,13 +65,17 @@ static const struct file_operations name## _ops = {			\
         debugfs_create_file(#name, mode, phyd, local, &name## _ops);
 
 
-DEBUGFS_READONLY_FILE(frequency, 20, "%d",
+DEBUGFS_READONLY_FILE(user_power, "%d",
+                      local->user_power_level);
+DEBUGFS_READONLY_FILE(power, "%d",
+                      local->hw.conf.power_level);
+DEBUGFS_READONLY_FILE(frequency, "%d",
                       local->hw.conf.channel->center_freq);
-DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
+DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
                       local->total_ps_buffered);
-DEBUGFS_READONLY_FILE(wep_iv, 20, "%#08x",
+DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
                       local->wep_iv & 0xffffff);
-DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
+DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
         local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
 
 static ssize_t tsf_read(struct file *file, char __user *user_buf,
@@ -59,13 +83,11 @@ static ssize_t tsf_read(struct file *file, char __user *user_buf,
 {
         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);
+        return mac80211_format_buffer(user_buf, count, ppos, "0x%016llx\n",
+                                      (unsigned long long) tsf);
 }
 
 static ssize_t tsf_write(struct file *file,
@@ -85,13 +107,15 @@ static ssize_t tsf_write(struct file *file,
         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));
+                        wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
                 }
         } 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);
+                        wiphy_info(local->hw.wiphy,
+                                   "debugfs set TSF to %#018llx\n", tsf);
+
                 }
         }
 
@@ -101,7 +125,8 @@ static ssize_t tsf_write(struct file *file,
 static const struct file_operations tsf_ops = {
         .read = tsf_read,
         .write = tsf_write,
-        .open = mac80211_open_file_generic
+        .open = mac80211_open_file_generic,
+        .llseek = default_llseek,
 };
 
 static ssize_t reset_write(struct file *file, const char __user *user_buf,
@@ -110,7 +135,7 @@ static ssize_t reset_write(struct file *file, const char __user *user_buf,
         struct ieee80211_local *local = file->private_data;
 
         rtnl_lock();
-        __ieee80211_suspend(&local->hw);
+        __ieee80211_suspend(&local->hw, NULL);
         __ieee80211_resume(&local->hw);
         rtnl_unlock();
 
@@ -120,18 +145,16 @@ static ssize_t reset_write(struct file *file, const char __user *user_buf,
 static const struct file_operations reset_ops = {
         .write = reset_write,
         .open = mac80211_open_file_generic,
+        .llseek = noop_llseek,
 };
 
 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);
+        return mac80211_format_buffer(user_buf, count, ppos, "%d\n",
+                                      local->wifi_wme_noack_test);
 }
 
 static ssize_t noack_write(struct file *file,
@@ -155,19 +178,16 @@ static ssize_t noack_write(struct file *file,
 static const struct file_operations noack_ops = {
         .read = noack_read,
         .write = noack_write,
-        .open = mac80211_open_file_generic
+        .open = mac80211_open_file_generic,
+        .llseek = default_llseek,
 };
 
 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);
+        return mac80211_format_buffer(user_buf, count, ppos, "0x%x\n",
+                                      local->uapsd_queues);
 }
 
 static ssize_t uapsd_queues_write(struct file *file,
@@ -201,19 +221,17 @@ static ssize_t uapsd_queues_write(struct file *file,
 static const struct file_operations uapsd_queues_ops = {
         .read = uapsd_queues_read,
         .write = uapsd_queues_write,
-        .open = mac80211_open_file_generic
+        .open = mac80211_open_file_generic,
+        .llseek = default_llseek,
 };
 
 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);
+        return mac80211_format_buffer(user_buf, count, ppos, "0x%x\n",
+                                      local->uapsd_max_sp_len);
 }
 
 static ssize_t uapsd_max_sp_len_write(struct file *file,
@@ -247,7 +265,8 @@ static ssize_t uapsd_max_sp_len_write(struct file *file,
 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
+        .open = mac80211_open_file_generic,
+        .llseek = default_llseek,
 };
 
 static ssize_t channel_type_read(struct file *file, char __user *user_buf,
@@ -277,10 +296,70 @@ static ssize_t channel_type_read(struct file *file, char __user *user_buf,
         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 hwflags_read(struct file *file, char __user *user_buf,
+                            size_t count, loff_t *ppos)
+{
+        struct ieee80211_local *local = file->private_data;
+        int mxln = 500;
+        ssize_t rv;
+        char *buf = kzalloc(mxln, GFP_KERNEL);
+        int sf = 0; /* how many written so far */
+
+        sf += snprintf(buf, mxln - sf, "0x%x\n", local->hw.flags);
+        if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
+                sf += snprintf(buf + sf, mxln - sf, "HAS_RATE_CONTROL\n");
+        if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
+                sf += snprintf(buf + sf, mxln - sf, "RX_INCLUDES_FCS\n");
+        if (local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING)
+                sf += snprintf(buf + sf, mxln - sf,
+                               "HOST_BCAST_PS_BUFFERING\n");
+        if (local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)
+                sf += snprintf(buf + sf, mxln - sf,
+                               "2GHZ_SHORT_SLOT_INCAPABLE\n");
+        if (local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)
+                sf += snprintf(buf + sf, mxln - sf,
+                               "2GHZ_SHORT_PREAMBLE_INCAPABLE\n");
+        if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)
+                sf += snprintf(buf + sf, mxln - sf, "SIGNAL_UNSPEC\n");
+        if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+                sf += snprintf(buf + sf, mxln - sf, "SIGNAL_DBM\n");
+        if (local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD)
+                sf += snprintf(buf + sf, mxln - sf, "NEED_DTIM_PERIOD\n");
+        if (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT)
+                sf += snprintf(buf + sf, mxln - sf, "SPECTRUM_MGMT\n");
+        if (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)
+                sf += snprintf(buf + sf, mxln - sf, "AMPDU_AGGREGATION\n");
+        if (local->hw.flags & IEEE80211_HW_SUPPORTS_PS)
+                sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PS\n");
+        if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
+                sf += snprintf(buf + sf, mxln - sf, "PS_NULLFUNC_STACK\n");
+        if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
+                sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_DYNAMIC_PS\n");
+        if (local->hw.flags & IEEE80211_HW_MFP_CAPABLE)
+                sf += snprintf(buf + sf, mxln - sf, "MFP_CAPABLE\n");
+        if (local->hw.flags & IEEE80211_HW_BEACON_FILTER)
+                sf += snprintf(buf + sf, mxln - sf, "BEACON_FILTER\n");
+        if (local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS)
+                sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_STATIC_SMPS\n");
+        if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS)
+                sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_DYNAMIC_SMPS\n");
+        if (local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)
+                sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_UAPSD\n");
+        if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+                sf += snprintf(buf + sf, mxln - sf, "REPORTS_TX_ACK_STATUS\n");
+        if (local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
+                sf += snprintf(buf + sf, mxln - sf, "CONNECTION_MONITOR\n");
+        if (local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)
+                sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_CQM_RSSI\n");
+        if (local->hw.flags & IEEE80211_HW_SUPPORTS_PER_STA_GTK)
+                sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PER_STA_GTK\n");
+        if (local->hw.flags & IEEE80211_HW_AP_LINK_PS)
+                sf += snprintf(buf + sf, mxln - sf, "AP_LINK_PS\n");
+
+        rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
+        kfree(buf);
+        return rv;
+}
 
 static ssize_t queues_read(struct file *file, char __user *user_buf,
                            size_t count, loff_t *ppos)
@@ -300,10 +379,9 @@ static ssize_t queues_read(struct file *file, char __user *user_buf,
         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
-};
+DEBUGFS_READONLY_FILE_OPS(hwflags);
+DEBUGFS_READONLY_FILE_OPS(channel_type);
+DEBUGFS_READONLY_FILE_OPS(queues);
 
 /* statistics stuff */
 
@@ -346,6 +424,7 @@ static ssize_t stats_ ##name## _read(struct file *file,			\
 static const struct file_operations stats_ ##name## _ops = {            \
         .read = stats_ ##name## _read,                                  \
         .open = mac80211_open_file_generic,                             \
+        .llseek = generic_file_llseek,                                  \
 };
 
 #define DEBUGFS_STATS_ADD(name, field)                                  \
@@ -366,7 +445,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
         if (!phyd)
                 return;
 
-        local->debugfs.stations = debugfs_create_dir("stations", phyd);
         local->debugfs.keys = debugfs_create_dir("keys", phyd);
 
         DEBUGFS_ADD(frequency);
@@ -379,6 +457,9 @@ void debugfs_hw_add(struct ieee80211_local *local)
         DEBUGFS_ADD(uapsd_queues);
         DEBUGFS_ADD(uapsd_max_sp_len);
         DEBUGFS_ADD(channel_type);
+        DEBUGFS_ADD(hwflags);
+        DEBUGFS_ADD(user_power);
+        DEBUGFS_ADD(power);
 
         statsd = debugfs_create_dir("statistics", phyd);