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Diffstat (limited to 'net/mac80211/debugfs.c')
-rw-r--r--net/mac80211/debugfs.c155
1 files changed, 113 insertions, 42 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 18260aa99c5..186e02f7cc3 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -21,24 +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);
@@ -46,13 +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,
@@ -60,13 +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,
@@ -114,7 +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();
@@ -131,12 +152,9 @@ 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,
@@ -168,12 +186,8 @@ 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,
@@ -215,12 +229,9 @@ 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,
@@ -285,11 +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,
- .llseek = default_llseek,
-};
+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)
@@ -309,11 +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,
- .llseek = default_llseek,
-};
+DEBUGFS_READONLY_FILE_OPS(hwflags);
+DEBUGFS_READONLY_FILE_OPS(channel_type);
+DEBUGFS_READONLY_FILE_OPS(queues);
/* statistics stuff */
@@ -389,6 +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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-04-16 09:51:59 +0000