From: Mordechay Goodstein mordechay.goodstein@intel.com
commit 290d5e4951832e39d10f4184610dbf09038f8483 upstream.
We reset statistics also in case that we didn't reassoc so in this cases keep last beacon counter.
Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Mordechay Goodstein mordechay.goodstein@intel.com Signed-off-by: Luca Coelho luciano.coelho@intel.com Signed-off-by: Kalle Valo kvalo@codeaurora.org Link: https://lore.kernel.org/r/iwlwifi.20200417100405.1f9142751fbc.Ifbfd0f928a0a7... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation + * Copyright(c) 2018 - 2020 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation + * Copyright(c) 2018 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -566,6 +566,7 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *
struct iwl_mvm_stat_data { struct iwl_mvm *mvm; + __le32 flags; __le32 mac_id; u8 beacon_filter_average_energy; void *general; @@ -606,6 +607,13 @@ static void iwl_mvm_stat_iterator(void * -general->beacon_average_energy[vif_id]; }
+ /* make sure that beacon statistics don't go backwards with TCM + * request to clear statistics + */ + if (le32_to_cpu(data->flags) & IWL_STATISTICS_REPLY_FLG_CLEAR) + mvmvif->beacon_stats.accu_num_beacons += + mvmvif->beacon_stats.num_beacons; + if (mvmvif->id != id) return;
@@ -763,6 +771,7 @@ void iwl_mvm_handle_rx_statistics(struct
flags = stats->flag; } + data.flags = flags;
iwl_mvm_rx_stats_check_trigger(mvm, pkt);