From patchwork Mon Aug 2 15:08:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 490577 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 427E0C432BE for ; Mon, 2 Aug 2021 15:08:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29F4060FF2 for ; Mon, 2 Aug 2021 15:08:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234789AbhHBPIf (ORCPT ); Mon, 2 Aug 2021 11:08:35 -0400 Received: from dispatch1-us1.ppe-hosted.com ([148.163.129.52]:36318 "EHLO dispatch1-us1.ppe-hosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234579AbhHBPIc (ORCPT ); Mon, 2 Aug 2021 11:08:32 -0400 X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.7.64.75]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id C62542007F for ; Mon, 2 Aug 2021 15:08:18 +0000 (UTC) Received: from mail3.candelatech.com (mail2.candelatech.com [208.74.158.173]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 9B4F18006E for ; Mon, 2 Aug 2021 15:08:18 +0000 (UTC) Received: from ben-dt4.candelatech.com (50-251-239-81-static.hfc.comcastbusiness.net [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id 4890E13C2B5; Mon, 2 Aug 2021 08:08:18 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 4890E13C2B5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1627916898; bh=aDElV/Pvgx+lAhFSv7CvWl1Mos19XGYDaj8Vtcn0VDU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BmgZCoiM1RYNQPEFKKXYbyBEul9MlyeYwbMYREDV1KVNehRWgGpWkgjbfCAXnpp1n isl8ZCodoOf4Tncqh0ajbbKx12L8Ius8SrG/UwoPCovp8muzG7uga0k8NpHV77Jxpr O2rG03/Tpw6+VJyHq3cESYLVP35HUnYp2ELpiUMg= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH v6 3/7] mt76: mt7915: add some per-station tx stats to ethtool Date: Mon, 2 Aug 2021 08:08:04 -0700 Message-Id: <20210802150808.30113-3-greearb@candelatech.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210802150808.30113-1-greearb@candelatech.com> References: <20210802150808.30113-1-greearb@candelatech.com> MIME-Version: 1.0 X-MDID: 1627916899-79UAgt7TA5uX Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ben Greear The tx status callback is not called for every frame, so those specific counters under-count, but at least they give some idea of what is going on. Signed-off-by: Ben Greear --- .../net/wireless/mediatek/mt76/mt7915/main.c | 98 ++++++++++++++++++- 1 file changed, 93 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 994f84e9d7aa..88a8547e2e7f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -1068,6 +1068,35 @@ static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = { "tx_msdu_pack_6", "tx_msdu_pack_7", "tx_msdu_pack_8", + /* per vif counters */ + "v_tx_mpdu_attempts", + "v_tx_mpdu_fail", + "v_tx_mpdu_retry", + "v_tx_mode_cck", + "v_tx_mode_ofdm", + "v_tx_mode_ht", + "v_tx_mode_ht_gf", + "v_tx_mode_vht", + "v_tx_mode_he_su", + "v_tx_mode_he_ext_su", + "v_tx_mode_he_tb", + "v_tx_mode_he_mu", + "v_tx_bw_20", + "v_tx_bw_40", + "v_tx_bw_80", + "v_tx_bw_160", + "v_tx_mcs_0", + "v_tx_mcs_1", + "v_tx_mcs_2", + "v_tx_mcs_3", + "v_tx_mcs_4", + "v_tx_mcs_5", + "v_tx_mcs_6", + "v_tx_mcs_7", + "v_tx_mcs_8", + "v_tx_mcs_9", + "v_tx_mcs_10", + "v_tx_mcs_11", }; #define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats) @@ -1093,6 +1122,50 @@ int mt7915_get_et_sset_count(struct ieee80211_hw *hw, return 0; } +struct mt7915_ethtool_worker_info { + u64 *data; + struct mt7915_vif *mvif; + int initial_stat_idx; + int worker_stat_count; + int sta_count; +}; + +static void mt7915_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) +{ + struct mt7915_ethtool_worker_info *wi = wi_data; + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + int ei = wi->initial_stat_idx; + int q; + u64 *data = wi->data; + struct mt7915_sta_stats *mstats = &msta->stats; + + if (msta->vif != wi->mvif) + return; + + wi->sta_count++; + + data[ei++] += mstats->tx_mpdu_attempts; + data[ei++] += mstats->tx_mpdu_fail; + data[ei++] += mstats->tx_mpdu_retry; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_CCK]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_OFDM]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_HT]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_HT_GF]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_VHT]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_HE_SU]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_HE_EXT_SU]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_HE_TB]; + data[ei++] += mstats->tx_mode[MT_PHY_TYPE_HE_MU]; + + for (q = 0; q < ARRAY_SIZE(mstats->tx_bw); q++) + data[ei++] += mstats->tx_bw[q]; + + for (q = 0; q < 12; q++) + data[ei++] += mstats->tx_mcs[q]; + + wi->worker_stat_count = ei - wi->initial_stat_idx; +} + static void mt7915_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -1100,10 +1173,8 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw, { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); - - /* TODO: These are mostly dev-wide stats at this point. - * Get some per-vif stats? - */ + struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; + struct mt7915_ethtool_worker_info wi; /* See mt7915_ampdu_stat_read_phy, etc */ bool ext_phy = phy != &dev->phy; @@ -1161,7 +1232,24 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw, for (i = 0; i < 8; i++) data[ei++] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i)); - WARN_ON(ei != MT7915_SSTATS_LEN); + /* Add values for all stations owned by this vif */ + wi.data = data; + wi.mvif = mvif; + wi.initial_stat_idx = ei; + wi.worker_stat_count = 0; + wi.sta_count = 0; + + ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi); + + if (wi.sta_count == 0) + return; + + ei += wi.worker_stat_count; + if (ei != MT7915_SSTATS_LEN) { + dev_err(dev->mt76.dev, "ei: %d MT7915_SSTATS_LEN: %d", + ei, (int)(MT7915_SSTATS_LEN)); + WARN_ON_ONCE(ei != MT7915_SSTATS_LEN); + } } const struct ieee80211_ops mt7915_ops = {