mirror of https://gitee.com/openkylin/linux.git
iwlagn: add "echo test" command to debugfs
For command queue testing, add "echo test" to debugfs Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -1734,12 +1734,18 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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int iwl_cmd_echo_test(struct iwl_priv *priv)
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{
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int ret;
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struct iwl_host_cmd cmd = {
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.id = REPLY_ECHO,
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.flags = CMD_SYNC,
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};
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return iwl_trans_send_cmd(trans(priv), &cmd);
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ret = iwl_trans_send_cmd(trans(priv), &cmd);
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if (ret)
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IWL_ERR(priv, "echo testing fail: 0X%x\n", ret);
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else
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IWL_DEBUG_INFO(priv, "echo testing pass\n");
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return ret;
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}
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static inline int iwl_check_stuck_queue(struct iwl_priv *priv, int txq)
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@ -2444,6 +2444,23 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
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return count;
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}
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static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_priv *priv = file->private_data;
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char buf[8];
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int buf_size;
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memset(buf, 0, sizeof(buf));
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buf_size = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, buf_size))
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return -EFAULT;
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iwl_cmd_echo_test(priv);
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return count;
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}
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DEBUGFS_READ_FILE_OPS(rx_statistics);
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DEBUGFS_READ_FILE_OPS(tx_statistics);
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DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
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@ -2467,6 +2484,7 @@ DEBUGFS_WRITE_FILE_OPS(wd_timeout);
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DEBUGFS_READ_FILE_OPS(bt_traffic);
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DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
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DEBUGFS_READ_FILE_OPS(reply_tx_error);
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DEBUGFS_WRITE_FILE_OPS(echo_test);
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#ifdef CONFIG_IWLWIFI_DEBUG
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static ssize_t iwl_dbgfs_debug_level_read(struct file *file,
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@ -2575,6 +2593,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
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DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
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DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
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DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
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DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
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if (iwl_advanced_bt_coexist(priv))
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DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
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#ifdef CONFIG_IWLWIFI_DEBUG
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@ -47,6 +47,7 @@ const char *get_cmd_string(u8 cmd)
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switch (cmd) {
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IWL_CMD(REPLY_ALIVE);
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IWL_CMD(REPLY_ERROR);
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IWL_CMD(REPLY_ECHO);
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IWL_CMD(REPLY_RXON);
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IWL_CMD(REPLY_RXON_ASSOC);
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IWL_CMD(REPLY_QOS_PARAM);
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