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authorEster Kummer <ester.kummer@intel.com>2008-05-15 13:54:18 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-05-21 21:48:07 -0400
commit189a2b5942d62bd18e1e01772c4c784253f5dd16 (patch)
treed5f85b77bccc796651d73243db76aa717d1f309c /drivers/net/wireless/iwlwifi/iwl-debugfs.c
parent6ba879562289bcad537a2374754ef750307c7d32 (diff)
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iwlwifi: trigger event log from debugfs
This patch adds a trigger for event log printing to debugfs. It removes the triger from sysfs. Signed-off-by: Ester Kummer <ester.kummer@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index f7ec2009cdf..c64e602bc9b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -92,6 +92,14 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \
.open = iwl_dbgfs_open_file_generic, \
};
+#define DEBUGFS_WRITE_FILE_OPS(name) \
+ DEBUGFS_WRITE_FUNC(name); \
+static const struct file_operations iwl_dbgfs_##name##_ops = { \
+ .write = iwl_dbgfs_##name##_write, \
+ .open = iwl_dbgfs_open_file_generic, \
+};
+
+
#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
DEBUGFS_READ_FUNC(name); \
DEBUGFS_WRITE_FUNC(name); \
@@ -324,7 +332,29 @@ static ssize_t iwl_dbgfs_eeprom_read(struct file *file,
return ret;
}
+static ssize_t iwl_dbgfs_log_event_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_priv *priv = file->private_data;
+ u32 event_log_flag;
+ char buf[8];
+ int buf_size;
+
+ memset(buf, 0, sizeof(buf));
+ buf_size = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ if (sscanf(buf, "%d", &event_log_flag) != 1)
+ return -EFAULT;
+ if (event_log_flag == 1)
+ iwl_dump_nic_event_log(priv);
+
+ return count;
+}
+
DEBUGFS_READ_WRITE_FILE_OPS(sram);
+DEBUGFS_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_FILE_OPS(eeprom);
DEBUGFS_READ_FILE_OPS(stations);
DEBUGFS_READ_FILE_OPS(rx_statistics);
@@ -354,6 +384,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
DEBUGFS_ADD_FILE(eeprom, data);
DEBUGFS_ADD_FILE(sram, data);
+ DEBUGFS_ADD_FILE(log_event, data);
DEBUGFS_ADD_FILE(stations, data);
DEBUGFS_ADD_FILE(rx_statistics, data);
DEBUGFS_ADD_FILE(tx_statistics, data);
@@ -384,6 +415,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB