From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C201C11F7F for ; Tue, 6 Jul 2021 11:34:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C1A3608FC for ; Tue, 6 Jul 2021 11:34:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235676AbhGFLeX (ORCPT ); Tue, 6 Jul 2021 07:34:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:42666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235623AbhGFLaP (ORCPT ); Tue, 6 Jul 2021 07:30:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A864761DA8; Tue, 6 Jul 2021 11:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625570487; bh=27ckhIJ+8VfQFzQBVnCXaH3uoS+MBZVLK9NoxWmglxk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IV/kibGRcE0DZ05d00Lf0ZzJR1U844m8+FJ+OIOP68CDTu9+52nWt/UO9bTN9n6Mq ELEUoui71sTNEmDwW0QT7OLLksRHwZ91PSRQRIYvv4xkQOY2Cd+3Ux/QtoWUXaUDO8 sF9/Fys8QzkNtYVt32MmWnFrIOOgbRj6T7hklN4cQGkr0hhtR1+OKuQ/rQUJ8RcFqi FPlPL3llw9ebEE1yKVEFW7/eIxePQtOZDSZ4pQ9TmzYED2sABBTU4cCGnLsGzRobbx xx4iI8HfT3vsEs1dCtVGRU+c9X6Q+xB+W1ogRr6ClBuPW5/1X8Sb09og0MSY0jf02q XJvKeoEM+xE1w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Johannes Berg , Thiraviyam Mariyappan , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.12 134/160] mac80211: consider per-CPU statistics if present Date: Tue, 6 Jul 2021 07:18:00 -0400 Message-Id: <20210706111827.2060499-134-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210706111827.2060499-1-sashal@kernel.org> References: <20210706111827.2060499-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Johannes Berg [ Upstream commit d656a4c6ead6c3f252b2f2532bc9735598f7e317 ] If we have been keeping per-CPU statistics, consider them regardless of USES_RSS, because we may not actually fill those, for example in non-fast-RX cases when the connection is not compatible with fast-RX. If we didn't fill them, the additional data will be zero and not affect anything, and if we did fill them then it's more correct to consider them. This fixes an issue in mesh mode where some statistics are not updated due to USES_RSS being set, but fast-RX isn't used. Reported-by: Thiraviyam Mariyappan Link: https://lore.kernel.org/r/20210610220814.13b35f5797c5.I511e9b33c5694e0d6cef4b6ae755c873d7c22124@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/sta_info.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index f2fb69da9b6e..641a6657d0c9 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -2093,10 +2093,9 @@ static struct ieee80211_sta_rx_stats * sta_get_last_rx_stats(struct sta_info *sta) { struct ieee80211_sta_rx_stats *stats = &sta->rx_stats; - struct ieee80211_local *local = sta->local; int cpu; - if (!ieee80211_hw_check(&local->hw, USES_RSS)) + if (!sta->pcpu_rx_stats) return stats; for_each_possible_cpu(cpu) { @@ -2196,9 +2195,7 @@ static void sta_set_tidstats(struct sta_info *sta, int cpu; if (!(tidstats->filled & BIT(NL80211_TID_STATS_RX_MSDU))) { - if (!ieee80211_hw_check(&local->hw, USES_RSS)) - tidstats->rx_msdu += - sta_get_tidstats_msdu(&sta->rx_stats, tid); + tidstats->rx_msdu += sta_get_tidstats_msdu(&sta->rx_stats, tid); if (sta->pcpu_rx_stats) { for_each_possible_cpu(cpu) { @@ -2277,7 +2274,6 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo, sinfo->rx_beacon = sdata->u.mgd.count_beacon_signal; drv_sta_statistics(local, sdata, &sta->sta, sinfo); - sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | BIT_ULL(NL80211_STA_INFO_STA_FLAGS) | BIT_ULL(NL80211_STA_INFO_BSS_PARAM) | @@ -2312,8 +2308,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo, if (!(sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES64) | BIT_ULL(NL80211_STA_INFO_RX_BYTES)))) { - if (!ieee80211_hw_check(&local->hw, USES_RSS)) - sinfo->rx_bytes += sta_get_stats_bytes(&sta->rx_stats); + sinfo->rx_bytes += sta_get_stats_bytes(&sta->rx_stats); if (sta->pcpu_rx_stats) { for_each_possible_cpu(cpu) { -- 2.30.2