Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:37956 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751294AbeCWHgS (ORCPT ); Fri, 23 Mar 2018 03:36:18 -0400 From: Anilkumar Kolli To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH] ath10k: Implement get_expected_throughput callback Date: Fri, 23 Mar 2018 13:07:00 +0530 Message-Id: <1521790620-12267-1-git-send-email-akolli@codeaurora.org> (sfid-20180323_083622_002727_143C34E5) Sender: linux-wireless-owner@vger.kernel.org List-ID: Enable support for 'drv_get_expected_throughput' callback. Export expected throughput if available to cfg80211/nl80211. Signed-off-by: Anilkumar Kolli Signed-off-by: Tamizh chelvam --- drivers/net/wireless/ath/ath10k/core.h | 5 +++++ drivers/net/wireless/ath/ath10k/mac.c | 17 +++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index fe6b30356d3b..8e10f7d83a79 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -1,6 +1,7 @@ /* * Copyright (c) 2005-2011 Atheros Communications Inc. * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -37,6 +38,7 @@ #include "thermal.h" #include "wow.h" #include "swap.h" +#include #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB) #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) @@ -354,6 +356,8 @@ struct ath10k_txq { unsigned long num_push_allowed; }; +DECLARE_EWMA(sta_txrate, 4, 16) + struct ath10k_sta { struct ath10k_vif *arvif; @@ -367,6 +371,7 @@ struct ath10k_sta { struct work_struct update_wk; u64 rx_duration; + struct ewma_sta_txrate ave_sta_txrate; #ifdef CONFIG_MAC80211_DEBUGFS /* protected by conf_mutex */ diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 7e02ca02b28e..e04fbe9ccfee 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -7686,6 +7686,22 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw, } sinfo->txrate.flags = arsta->txrate.flags; sinfo->filled |= 1ULL << NL80211_STA_INFO_TX_BITRATE; + + sinfo->expected_throughput = + ewma_sta_txrate_read(&arsta->ave_sta_txrate); + sinfo->filled |= BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT); +} + +static u32 ath10k_get_expected_throughput(struct ieee80211_hw *hw, + struct ieee80211_sta *sta) +{ + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + u32 tx_bitrate; + + tx_bitrate = cfg80211_calculate_bitrate(&arsta->txrate); + ewma_sta_txrate_add(&arsta->ave_sta_txrate, tx_bitrate); + + return ewma_sta_txrate_read(&arsta->ave_sta_txrate); } static const struct ieee80211_ops ath10k_ops = { @@ -7730,6 +7746,7 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw, .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx, .sta_pre_rcu_remove = ath10k_mac_op_sta_pre_rcu_remove, .sta_statistics = ath10k_sta_statistics, + .get_expected_throughput = ath10k_get_expected_throughput, CFG80211_TESTMODE_CMD(ath10k_tm_cmd) -- 1.7.9.5