diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-debugfs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 8784911fd56e..45a5edd1b1a7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -1042,10 +1042,6 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } -#define UCODE_STATISTICS_CLEAR_MSK (0x1 << 0) -#define UCODE_STATISTICS_FREQUENCY_MSK (0x1 << 1) -#define UCODE_STATISTICS_NARROW_BAND_MSK (0x1 << 2) - static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) { @@ -1092,7 +1088,7 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, /* make request to uCode to retrieve statistics information */ mutex_lock(&priv->mutex); - ret = iwl_send_statistics_request(priv, 0); + ret = iwl_send_statistics_request(priv, CMD_SYNC, false); mutex_unlock(&priv->mutex); if (ret) { @@ -1398,7 +1394,7 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, /* make request to uCode to retrieve statistics information */ mutex_lock(&priv->mutex); - ret = iwl_send_statistics_request(priv, 0); + ret = iwl_send_statistics_request(priv, CMD_SYNC, false); mutex_unlock(&priv->mutex); if (ret) { @@ -1542,7 +1538,7 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, /* make request to uCode to retrieve statistics information */ mutex_lock(&priv->mutex); - ret = iwl_send_statistics_request(priv, 0); + ret = iwl_send_statistics_request(priv, CMD_SYNC, false); mutex_unlock(&priv->mutex); if (ret) { @@ -1770,7 +1766,7 @@ static ssize_t iwl_dbgfs_tx_power_read(struct file *file, else { /* make request to uCode to retrieve statistics information */ mutex_lock(&priv->mutex); - ret = iwl_send_statistics_request(priv, 0); + ret = iwl_send_statistics_request(priv, CMD_SYNC, false); mutex_unlock(&priv->mutex); if (ret) { @@ -1828,6 +1824,30 @@ static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } +static ssize_t iwl_dbgfs_clear_statistics_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char buf[8]; + int buf_size; + int clear; + + 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", &clear) != 1) + return -EFAULT; + + /* make request to uCode to retrieve statistics information */ + mutex_lock(&priv->mutex); + iwl_send_statistics_request(priv, CMD_SYNC, true); + mutex_unlock(&priv->mutex); + + return count; +} + DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); @@ -1840,6 +1860,7 @@ DEBUGFS_READ_FILE_OPS(sensitivity); DEBUGFS_READ_FILE_OPS(chain_noise); DEBUGFS_READ_FILE_OPS(tx_power); DEBUGFS_READ_FILE_OPS(power_save_status); +DEBUGFS_WRITE_FILE_OPS(clear_statistics); /* * Create the debugfs files and directories @@ -1888,6 +1909,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(tx_queue, debug); DEBUGFS_ADD_FILE(tx_power, debug); DEBUGFS_ADD_FILE(power_save_status, debug); + DEBUGFS_ADD_FILE(clear_statistics, debug); if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { DEBUGFS_ADD_FILE(ucode_rx_stats, debug); DEBUGFS_ADD_FILE(ucode_tx_stats, debug); @@ -1941,6 +1963,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv) DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status); + DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_clear_statistics); if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. file_ucode_rx_stats); |