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| author | Eyal Shapira <eyal@wizery.com> | 2014-03-24 02:12:00 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-04-13 09:36:03 +0300 |
| commit | 757cf23b4b4bcede8ffb40947536fbc8722567ab (patch) | |
| tree | 8cd18fe792bc37e0553ff9d380e101244d144b7c /drivers/net/wireless/iwlwifi/mvm/rs.h | |
| parent | c531c77150693759ca0b886a80973d6ae6a1a0d5 (diff) | |
| download | op-kernel-dev-757cf23b4b4bcede8ffb40947536fbc8722567ab.zip op-kernel-dev-757cf23b4b4bcede8ffb40947536fbc8722567ab.tar.gz | |
iwlwifi: mvm: add per rate tx stats
Collect accumulated stats of tx attempts and successes
per rate and column for debugging purposes.
These stats can be read via debugfs file drv_tx_stats
and can also be reset by writing to this file.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h index fcc056d..958c99d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -272,9 +272,16 @@ enum rs_column { RS_COLUMN_MIMO2_SGI, RS_COLUMN_LAST = RS_COLUMN_MIMO2_SGI, + RS_COLUMN_COUNT = RS_COLUMN_LAST + 1, RS_COLUMN_INVALID, }; +/* Packet stats per rate */ +struct rs_rate_stats { + u64 success; + u64 total; +}; + /** * struct iwl_scale_tbl_info -- tx params and success history for all rates * @@ -322,6 +329,8 @@ struct iwl_lq_sta { bool is_vht; enum ieee80211_band band; + struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT]; + /* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */ u16 active_legacy_rate; u16 active_siso_rate; @@ -335,6 +344,7 @@ struct iwl_lq_sta { #ifdef CONFIG_MAC80211_DEBUGFS struct dentry *rs_sta_dbgfs_scale_table_file; struct dentry *rs_sta_dbgfs_stats_table_file; + struct dentry *rs_sta_dbgfs_drv_tx_stats_file; struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; struct dentry *rs_sta_dbgfs_reduced_txp_file; u32 dbg_fixed_rate; |
