diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-debugfs.c')
-rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-debugfs.c | 192 |
1 files changed, 19 insertions, 173 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-debugfs.c b/drivers/net/wireless/iwlegacy/iwl-debugfs.c index 2d32438b4cb8..996996a71657 100644 --- a/drivers/net/wireless/iwlegacy/iwl-debugfs.c +++ b/drivers/net/wireless/iwlegacy/iwl-debugfs.c @@ -391,48 +391,6 @@ static ssize_t iwl_legacy_dbgfs_nvm_read(struct file *file, return ret; } -static ssize_t iwl_legacy_dbgfs_log_event_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - char *buf; - int pos = 0; - ssize_t ret = -ENOMEM; - - ret = pos = priv->cfg->ops->lib->dump_nic_event_log( - priv, true, &buf, true); - if (buf) { - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - } - return ret; -} - -static ssize_t iwl_legacy_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) - priv->cfg->ops->lib->dump_nic_event_log(priv, true, - NULL, false); - - return count; -} - - - static ssize_t iwl_legacy_dbgfs_channels_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -706,7 +664,6 @@ static ssize_t iwl_legacy_dbgfs_disable_ht40_read(struct file *file, } DEBUGFS_READ_WRITE_FILE_OPS(sram); -DEBUGFS_READ_WRITE_FILE_OPS(log_event); DEBUGFS_READ_FILE_OPS(nvm); DEBUGFS_READ_FILE_OPS(stations); DEBUGFS_READ_FILE_OPS(channels); @@ -1098,56 +1055,6 @@ static ssize_t iwl_legacy_dbgfs_clear_ucode_statistics_write(struct file *file, return count; } -static ssize_t iwl_legacy_dbgfs_ucode_tracing_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) { - - struct iwl_priv *priv = file->private_data; - int pos = 0; - char buf[128]; - const size_t bufsz = sizeof(buf); - - pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", - priv->event_log.ucode_trace ? "On" : "Off"); - pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", - priv->event_log.non_wraps_count); - pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", - priv->event_log.wraps_once_count); - pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", - priv->event_log.wraps_more_count); - - return simple_read_from_buffer(user_buf, count, ppos, buf, pos); -} - -static ssize_t iwl_legacy_dbgfs_ucode_tracing_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 trace; - - 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", &trace) != 1) - return -EFAULT; - - if (trace) { - priv->event_log.ucode_trace = true; - /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ - mod_timer(&priv->ucode_trace, - jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); - } else { - priv->event_log.ucode_trace = false; - del_timer_sync(&priv->ucode_trace); - } - - return count; -} - static ssize_t iwl_legacy_dbgfs_rxon_flags_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1236,72 +1143,31 @@ static ssize_t iwl_legacy_dbgfs_missed_beacon_write(struct file *file, return count; } -static ssize_t iwl_legacy_dbgfs_plcp_delta_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) { - - struct iwl_priv *priv = file->private_data; - int pos = 0; - char buf[12]; - const size_t bufsz = sizeof(buf); - - pos += scnprintf(buf + pos, bufsz - pos, "%u\n", - priv->cfg->base_params->plcp_delta_threshold); - - return simple_read_from_buffer(user_buf, count, ppos, buf, pos); -} - -static ssize_t iwl_legacy_dbgfs_plcp_delta_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 plcp; - - 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", &plcp) != 1) - return -EINVAL; - if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || - (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) - priv->cfg->base_params->plcp_delta_threshold = - IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; - else - priv->cfg->base_params->plcp_delta_threshold = plcp; - return count; -} - static ssize_t iwl_legacy_dbgfs_force_reset_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct iwl_priv *priv = file->private_data; - int i, pos = 0; + int pos = 0; char buf[300]; const size_t bufsz = sizeof(buf); struct iwl_force_reset *force_reset; - for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { - force_reset = &priv->force_reset[i]; - pos += scnprintf(buf + pos, bufsz - pos, - "Force reset method %d\n", i); - pos += scnprintf(buf + pos, bufsz - pos, - "\tnumber of reset request: %d\n", - force_reset->reset_request_count); - pos += scnprintf(buf + pos, bufsz - pos, - "\tnumber of reset request success: %d\n", - force_reset->reset_success_count); - pos += scnprintf(buf + pos, bufsz - pos, - "\tnumber of reset request reject: %d\n", - force_reset->reset_reject_count); - pos += scnprintf(buf + pos, bufsz - pos, - "\treset duration: %lu\n", - force_reset->reset_duration); - } + force_reset = &priv->force_reset; + + pos += scnprintf(buf + pos, bufsz - pos, + "\tnumber of reset request: %d\n", + force_reset->reset_request_count); + pos += scnprintf(buf + pos, bufsz - pos, + "\tnumber of reset request success: %d\n", + force_reset->reset_success_count); + pos += scnprintf(buf + pos, bufsz - pos, + "\tnumber of reset request reject: %d\n", + force_reset->reset_reject_count); + pos += scnprintf(buf + pos, bufsz - pos, + "\treset duration: %lu\n", + force_reset->reset_duration); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } @@ -1309,25 +1175,11 @@ static ssize_t iwl_legacy_dbgfs_force_reset_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { + int ret; struct iwl_priv *priv = file->private_data; - char buf[8]; - int buf_size; - int reset, ret; - 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", &reset) != 1) - return -EINVAL; - switch (reset) { - case IWL_RF_RESET: - case IWL_FW_RESET: - ret = iwl_legacy_force_reset(priv, reset, true); - break; - default: - return -EINVAL; - } + ret = iwl_legacy_force_reset(priv, true); + return ret ? ret : count; } @@ -1367,10 +1219,8 @@ DEBUGFS_READ_FILE_OPS(chain_noise); DEBUGFS_READ_FILE_OPS(power_save_status); DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); -DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); DEBUGFS_READ_FILE_OPS(fh_reg); DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); -DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); DEBUGFS_READ_WRITE_FILE_OPS(force_reset); DEBUGFS_READ_FILE_OPS(rxon_flags); DEBUGFS_READ_FILE_OPS(rxon_filter_flags); @@ -1403,7 +1253,6 @@ int iwl_legacy_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); - DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); @@ -1420,7 +1269,6 @@ int iwl_legacy_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); - DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); @@ -1430,8 +1278,6 @@ int iwl_legacy_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); if (priv->cfg->base_params->chain_noise_calib_by_driver) DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); - if (priv->cfg->base_params->ucode_tracing) - DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); |