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iwlwifi: mvm: Add RX statistics debugfs entry

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Add a debugfs entry for the RX statistics received from
the firmware.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Matti Gottlieb
2013-07-30 15:29:37 +03:00
committed by Johannes Berg
parent 147fc9be81
commit 3848ab6682
4 changed files with 155 additions and 0 deletions
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13
drivers/net/wireless/iwlwifi/mvm/rx.c
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@@ -378,6 +378,18 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
return 0;
}
static void iwl_mvm_update_rx_statistics(struct iwl_mvm *mvm,
struct iwl_notif_statistics *stats)
{
/*
* NOTE FW aggregates the statistics - BUT the statistics are cleared
* when the driver issues REPLY_STATISTICS_CMD 0x9c with CLEAR_STATS
* bit set.
*/
lockdep_assert_held(&mvm->mutex);
memcpy(&mvm->rx_stats, &stats->rx, sizeof(struct mvm_statistics_rx));
}
/*
* iwl_mvm_rx_statistics - STATISTICS_NOTIFICATION handler
*
@@ -396,6 +408,7 @@ int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
mvm->temperature = le32_to_cpu(common->temperature);
iwl_mvm_tt_handler(mvm);
}
iwl_mvm_update_rx_statistics(mvm, stats);
return 0;
}