Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:45480 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752443AbeCWOGW (ORCPT ); Fri, 23 Mar 2018 10:06:22 -0400 From: Anilkumar Kolli To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH v2] ath10k: Implement get_expected_throughput callback Date: Fri, 23 Mar 2018 19:37:14 +0530 Message-Id: <1521814034-17880-1-git-send-email-akolli@codeaurora.org> (sfid-20180323_150626_390965_AB10BB85) 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 --- v2: - update the avg for all the transmitted frames(Sven) - remove the unnecessary NL80211_STA_INFO_EXPECTED_THROUGHPUT update(Sven) drivers/net/wireless/ath/ath10k/core.h | 5 +++++ drivers/net/wireless/ath/ath10k/htt_rx.c | 4 ++++ drivers/net/wireless/ath/ath10k/mac.c | 9 +++++++++ 3 files changed, 18 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/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 6d96f9560950..9fd8b22552c6 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -2449,6 +2449,7 @@ static inline bool is_valid_legacy_rate(u8 rate) struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; u8 rate = 0, sgi; struct rate_info txrate; + u32 tx_bitrate; lockdep_assert_held(&ar->data_lock); @@ -2500,6 +2501,9 @@ static inline bool is_valid_legacy_rate(u8 rate) arsta->txrate.nss = txrate.nss; arsta->txrate.bw = txrate.bw + RATE_INFO_BW_20; + + tx_bitrate = cfg80211_calculate_bitrate(&arsta->txrate); + ewma_sta_txrate_add(&arsta->ave_sta_txrate, tx_bitrate); } static void ath10k_htt_fetch_peer_stats(struct ath10k *ar, diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 7e02ca02b28e..33e790cf5c42 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -7688,6 +7688,14 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw, sinfo->filled |= 1ULL << NL80211_STA_INFO_TX_BITRATE; } +static u32 ath10k_get_expected_throughput(struct ieee80211_hw *hw, + struct ieee80211_sta *sta) +{ + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + + return ewma_sta_txrate_read(&arsta->ave_sta_txrate); +} + static const struct ieee80211_ops ath10k_ops = { .tx = ath10k_mac_op_tx, .wake_tx_queue = ath10k_mac_op_wake_tx_queue, @@ -7730,6 +7738,7 @@ 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