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| author | Ester Kummer <ester.kummer@intel.com> | 2008-05-15 13:54:18 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-05-21 21:48:07 -0400 |
| commit | 189a2b5942d62bd18e1e01772c4c784253f5dd16 (patch) | |
| tree | d5f85b77bccc796651d73243db76aa717d1f309c /drivers/net/wireless/iwlwifi/iwl-debugfs.c | |
| parent | 6ba879562289bcad537a2374754ef750307c7d32 (diff) | |
| download | kernel-crypto-189a2b5942d62bd18e1e01772c4c784253f5dd16.tar.gz kernel-crypto-189a2b5942d62bd18e1e01772c4c784253f5dd16.tar.xz kernel-crypto-189a2b5942d62bd18e1e01772c4c784253f5dd16.zip | |
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.c | 32 |
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 |