diff options
| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-02-09 20:37:46 +0300 |
|---|---|---|
| committer | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-02-21 21:08:15 +0300 |
| commit | 491bc292766330473eac4569be5d57f9aeb80112 (patch) | |
| tree | 4642fd4973e736e1e69b486e91ebf17350157771 /drivers/net/wireless/iwlwifi/iwl-dev.h | |
| parent | b67afe7f43afd2f5cd98798993561920c1684c12 (diff) | |
| download | linux-491bc292766330473eac4569be5d57f9aeb80112.tar.xz | |
iwlwifi: Limit number of firmware reload
If device has serious problem and cause firmware can not recover itself.
Keep reloading firmware will not help, it can only fill up the syslog and
lock up the system because busy reloading.
Introduce the limit reload counter, if the reload reach the maximum within
the pre-defined duration;stop the reload operation.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-dev.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index ecfbef402781..065615ee040a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1110,6 +1110,11 @@ struct iwl_event_log { /* BT Antenna Coupling Threshold (dB) */ #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) +/* Firmware reload counter and Timestamp */ +#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ +#define IWL_MAX_CONTINUE_RELOAD_CNT 4 + + enum iwl_reset { IWL_RF_RESET = 0, IWL_FW_RESET, @@ -1262,6 +1267,10 @@ struct iwl_priv { /* force reset */ struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; + /* firmware reload counter and timestamp */ + unsigned long reload_jiffies; + int reload_count; + /* we allocate array of iwl_channel_info for NIC's valid channels. * Access via channel # using indirect index array */ struct iwl_channel_info *channel_info; /* channel info array */ |