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iwlwifi: update reply_statistics_cmd with 'clear' parameter

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When issue REPLY_STATISTICS_CMD to uCode, two possible flag
can be set in the configuration flags

bit 0: Clear statistics
       0: Do not clear Statistics counters
       1: Clear to zero Statistics counters

Allow "clear" parameter to be set from the caller.

Add debugfs file to clear the statistics counters to help monitor and
debug the uCode behavior.

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>
This commit is contained in:
Wey-Yi Guy
2009-11-13 11:56:28 -08:00
committed by John W. Linville
parent 7d2ed110a8
commit ef8d5529b0
10 changed files with 77 additions and 23 deletions
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4
drivers/net/wireless/iwlwifi/iwl-commands.h
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@ -3071,6 +3071,10 @@ struct statistics_general {
__le32 reserved3;
} __attribute__ ((packed));
#define UCODE_STATISTICS_CLEAR_MSK (0x1 << 0)
#define UCODE_STATISTICS_FREQUENCY_MSK (0x1 << 1)
#define UCODE_STATISTICS_NARROW_BAND_MSK (0x1 << 2)
/*
* REPLY_STATISTICS_CMD = 0x9c,
* 3945 and 4965 identical.