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| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-10-10 07:26:51 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-10-14 14:48:09 -0400 |
| commit | 7e4005cc4ae49100582ee1c97368dd79474f0a82 (patch) | |
| tree | 4ad287cc0c2144f04504ecbb8e5ad379b7bfd68b /drivers/net/wireless | |
| parent | 46e7741ea176b6bb86d9d0ae5770c2e7528dc146 (diff) | |
| download | blackbird-obmc-linux-7e4005cc4ae49100582ee1c97368dd79474f0a82.tar.gz blackbird-obmc-linux-7e4005cc4ae49100582ee1c97368dd79474f0a82.zip | |
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>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 19 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 1 |
3 files changed, 27 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 9cb6c755279e..2cc6399dafa4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -1734,12 +1734,18 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int iwl_cmd_echo_test(struct iwl_priv *priv) { + int ret; struct iwl_host_cmd cmd = { .id = REPLY_ECHO, .flags = CMD_SYNC, }; - return iwl_trans_send_cmd(trans(priv), &cmd); + ret = iwl_trans_send_cmd(trans(priv), &cmd); + if (ret) + IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); + else + IWL_DEBUG_INFO(priv, "echo testing pass\n"); + return ret; } static inline int iwl_check_stuck_queue(struct iwl_priv *priv, int txq) diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 6d49dfbee964..ea1452cf9c90 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -2444,6 +2444,23 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, return count; } +static ssize_t iwl_dbgfs_echo_test_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; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + iwl_cmd_echo_test(priv); + return count; +} + DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); @@ -2467,6 +2484,7 @@ DEBUGFS_WRITE_FILE_OPS(wd_timeout); DEBUGFS_READ_FILE_OPS(bt_traffic); DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); DEBUGFS_READ_FILE_OPS(reply_tx_error); +DEBUGFS_WRITE_FILE_OPS(echo_test); #ifdef CONFIG_IWLWIFI_DEBUG static ssize_t iwl_dbgfs_debug_level_read(struct file *file, @@ -2575,6 +2593,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 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); + DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); if (iwl_advanced_bt_coexist(priv)) DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); #ifdef CONFIG_IWLWIFI_DEBUG diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index bcd7f64683aa..bbd674061d2e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -47,6 +47,7 @@ const char *get_cmd_string(u8 cmd) switch (cmd) { IWL_CMD(REPLY_ALIVE); IWL_CMD(REPLY_ERROR); + IWL_CMD(REPLY_ECHO); IWL_CMD(REPLY_RXON); IWL_CMD(REPLY_RXON_ASSOC); IWL_CMD(REPLY_QOS_PARAM); |
