From patchwork Wed Jul 14 21:44:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 477261 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=-18.8 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 21222C47E48 for ; Wed, 14 Jul 2021 21:44:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D33F60C3D for ; Wed, 14 Jul 2021 21:44:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235650AbhGNVrf (ORCPT ); Wed, 14 Jul 2021 17:47:35 -0400 Received: from dispatch1-us1.ppe-hosted.com ([148.163.129.49]:54538 "EHLO dispatch1-us1.ppe-hosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232684AbhGNVre (ORCPT ); Wed, 14 Jul 2021 17:47:34 -0400 X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.7.67.118]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 89DD91A006C for ; Wed, 14 Jul 2021 21:44:41 +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 5E2721C0066 for ; Wed, 14 Jul 2021 21:44:41 +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 DF28813C2B3; Wed, 14 Jul 2021 14:44:40 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com DF28813C2B3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1626299080; bh=fAcmyvmeL13x0ZErtw+7o+muJ2wI779SZitdt7DJzn4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FIHCipYJS5dULjOnOeGPBxkCYJSZLDBMF8mvXeNuyWrGlR6LH/bDPsLinQbtooqvH f5KkCFh9/nXdC6rCY3D4Y1KINWoLiKtva5ASWDRMkL7EdF8M8pqfJpY80C9mipyT7i 15jvO+iZH22flS+PZ/ON3UXn8Uj4b0s+leai7yPM= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH v2 3/8] mt76 - mt7915: Add some per-station tx stats to ethtool. Date: Wed, 14 Jul 2021 14:44:27 -0700 Message-Id: <20210714214432.15162-3-greearb@candelatech.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210714214432.15162-1-greearb@candelatech.com> References: <20210714214432.15162-1-greearb@candelatech.com> MIME-Version: 1.0 X-MDID: 1626299082-FkCzXJjWKJdp 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 --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 116 +++++++++++++++++- 1 file changed, 110 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index 469028d641c7..61a57c86cbdb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -425,6 +425,35 @@ 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) @@ -454,14 +483,15 @@ void mt7915_debug_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 mt76_wcid *wcid; + struct mt7915_sta *msta; + struct mt7915_sta_stats *mstats; + bool found_sta = false; /* See mt7915_ampdu_stat_read_phy, etc */ bool ext_phy = phy != &dev->phy; - int i, n, cnt; + int i, j, n, cnt, next_ei; int ei = 0; if (!phy) @@ -515,6 +545,80 @@ void mt7915_debug_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 */ + + /* See mt76_get_min_avr_rssi for example of how to find all sta + * for a vif + */ + local_bh_disable(); + rcu_read_lock(); + + next_ei = ei; + + for (i = 0; i < ARRAY_SIZE(dev->mt76.wcid_mask); i++) { + u32 mask = dev->mt76.wcid_mask[i]; + u32 phy_mask = dev->mt76.wcid_phy_mask[i]; + int q; + + if (!mask) + continue; + + for (j = i * 32; mask; j++, mask >>= 1, phy_mask >>= 1) { + if (!(mask & 1)) + continue; + + if (!!(phy_mask & 1) != ext_phy) + continue; + + wcid = rcu_dereference(dev->mt76.wcid[j]); + if (!wcid) + continue; + + msta = container_of(wcid, struct mt7915_sta, wcid); + + if (msta->vif != mvif) + continue; + + ei = next_ei; + mstats = &msta->stats; + 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; qtx_bw); q++) + data[ei++] += mstats->tx_bw[q]; + + for (q = 0; q<12; q++) + data[ei++] += mstats->tx_mcs[q]; + found_sta = true; + } + } + + rcu_read_unlock(); + local_bh_enable(); + + /* If we have no stations above, then we will not have filled out + * the STA stats. Zero those stats. + */ + if (!found_sta) { + int q; + for (q = 0; q<28; q++) { + data[ei++] = 0; + } + } + + if (ei != MT7915_SSTATS_LEN) { + pr_err("ei: %d MT7915_SSTATS_LEN: %d", ei, (int)(MT7915_SSTATS_LEN)); + WARN_ON_ONCE(ei != MT7915_SSTATS_LEN); + } }