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| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2009-08-07 15:41:39 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-08-14 09:13:46 -0400 |
| commit | 20594eb0daa67f7a0cc19d74a1bafceb1bb09f4a (patch) | |
| tree | 9ae022adef73139b524dcd7dde9c6f02809e8cf1 /drivers/net/wireless/iwlwifi/iwl-dev.h | |
| parent | 7aafef1c6e2e24f9a10dc2972bf0ee70624ccc47 (diff) | |
| download | blackbird-op-linux-20594eb0daa67f7a0cc19d74a1bafceb1bb09f4a.tar.gz blackbird-op-linux-20594eb0daa67f7a0cc19d74a1bafceb1bb09f4a.zip | |
iwlwifi: new debugging feature for dumping data traffic
The traffic buffer will only beallocated and used if either bit 23
(IWL_DX_TX) or bit 24 (IWL_DL_RX) of "debug" is set;
example: "debug=0x800000" - log tx data traffic
"debug=0x1000000" - log rx data traffic
"debug=0x1800000" - log both tx and rx traffic
The traffic log will store the beginning portion (64 bytes) of the
latest 256 of tx and rx packets in the round-robbin buffer for
debugging,
user can examine the log through debugfs file.
How to display the current logged tx/rx traffic and txfifo and rxfifo
read/write point:
"cat traffic_log" in /sys/kernel/debug/ieee80211/phy0/iwlagn/debug
directory
By echo "0" to traffic_log file will empty the traffic log buffer and
reset both tx and rx taffic log index to 0.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-dev.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 624656a2bbaa..899b75f28a23 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -877,6 +877,8 @@ struct iwl_chain_noise_data { #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ +#define IWL_TRAFFIC_ENTRIES (256) +#define IWL_TRAFFIC_ENTRY_SIZE (64) enum { MEASUREMENT_READY = (1 << 0), @@ -1182,6 +1184,10 @@ struct iwl_priv { bool disable_ht40; #ifdef CONFIG_IWLWIFI_DEBUGFS /* debugfs */ + u16 tx_traffic_idx; + u16 rx_traffic_idx; + u8 *tx_traffic; + u8 *rx_traffic; struct iwl_debugfs *dbgfs; #endif /* CONFIG_IWLWIFI_DEBUGFS */ #endif /* CONFIG_IWLWIFI_DEBUG */ |
