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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 4004DC433DF for ; Tue, 25 Aug 2020 05:29:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2178520706 for ; Tue, 25 Aug 2020 05:29:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b="NM31q6Vn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728676AbgHYF3R (ORCPT ); Tue, 25 Aug 2020 01:29:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728106AbgHYF3Q (ORCPT ); Tue, 25 Aug 2020 01:29:16 -0400 Received: from nbd.name (nbd.name [IPv6:2a01:4f8:221:3d45::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2579C061755 for ; Mon, 24 Aug 2020 22:29:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Subject :To:From:Sender:Reply-To:Cc:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=UjdJ+DqFY1vz3zp2NdZ9v4r61Ys8Xln81rOGSrgrQco=; b=NM31q6Vn0SxmpVPHWtwIg+oQMR 4xpZHzqYnYp8y8xKieT0zoT1QVBQc+UOC6mGh/xBQBbxuICDq4/lGw84hxx5vIdySxfLgLt5qImDK mf70QN2tK+TL1rTAHateFNSiWUFs8JfHyV5Vk6levhgJkwVi50wROvgNJnzPa/PJHOGY=; Received: from p5b206497.dip0.t-ipconnect.de ([91.32.100.151] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.89) (envelope-from ) id 1kARWB-0006jr-6V for linux-wireless@vger.kernel.org; Tue, 25 Aug 2020 07:29:11 +0200 From: Felix Fietkau To: linux-wireless@vger.kernel.org Subject: [PATCH 1/9] mt76: mt7615: fix reading airtime statistics Date: Tue, 25 Aug 2020 07:29:01 +0200 Message-Id: <20200825052909.36955-1-nbd@nbd.name> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org - change the WTBL LMAC access function to set the mapping window only once - use ac * 2 as offset, since each AC has separate words for rx and tx Signed-off-by: Felix Fietkau --- .../net/wireless/mediatek/mt76/mt7915/mac.c | 25 +++++++++++-------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 9e17be5005e9..ff08a59c747c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -88,13 +88,12 @@ bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask) 0, 5000); } -static u32 mt7915_mac_wtbl_lmac_read(struct mt7915_dev *dev, u16 wcid, - u16 addr) +static u32 mt7915_mac_wtbl_lmac_addr(struct mt7915_dev *dev, u16 wcid) { mt76_wr(dev, MT_WTBLON_TOP_WDUCR, FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7))); - return mt76_rr(dev, MT_WTBL_LMAC_OFFS(wcid, addr)); + return MT_WTBL_LMAC_OFFS(wcid, 0); } /* TODO: use txfree airtime info to avoid runtime accessing in the long run */ @@ -121,6 +120,7 @@ void mt7915_mac_sta_poll(struct mt7915_dev *dev) while (true) { bool clear = false; + u32 addr; u16 idx; spin_lock_bh(&dev->sta_poll_lock); @@ -133,20 +133,23 @@ void mt7915_mac_sta_poll(struct mt7915_dev *dev) list_del_init(&msta->poll_list); spin_unlock_bh(&dev->sta_poll_lock); - for (i = 0, idx = msta->wcid.idx; i < IEEE80211_NUM_ACS; i++) { + idx = msta->wcid.idx; + addr = mt7915_mac_wtbl_lmac_addr(dev, idx) + 20 * 4; + + for (i = 0; i < IEEE80211_NUM_ACS; i++) { u32 tx_last = msta->airtime_ac[i]; - u32 rx_last = msta->airtime_ac[i + IEEE80211_NUM_ACS]; + u32 rx_last = msta->airtime_ac[i + 4]; + + msta->airtime_ac[i] = mt76_rr(dev, addr); + msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4); - msta->airtime_ac[i] = - mt7915_mac_wtbl_lmac_read(dev, idx, 20 + i); - msta->airtime_ac[i + IEEE80211_NUM_ACS] = - mt7915_mac_wtbl_lmac_read(dev, idx, 21 + i); tx_time[i] = msta->airtime_ac[i] - tx_last; - rx_time[i] = msta->airtime_ac[i + IEEE80211_NUM_ACS] - - rx_last; + rx_time[i] = msta->airtime_ac[i + 4] - rx_last; if ((tx_last | rx_last) & BIT(30)) clear = true; + + addr += 8; } if (clear) { -- 2.28.0