From patchwork Wed May 10 04:53:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 13236357 X-Patchwork-Delegate: nbd@nbd.name Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8573EC7EE24 for ; Wed, 10 May 2023 04:53:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235622AbjEJExj (ORCPT ); Wed, 10 May 2023 00:53:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235407AbjEJExe (ORCPT ); Wed, 10 May 2023 00:53:34 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE4EAF3 for ; Tue, 9 May 2023 21:53:31 -0700 (PDT) X-UUID: 9898625eeeee11edb20a276fd37b9834-20230510 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=J2v+g4RsngFemUgp6ZfuGfAPF5iAiDBaH/vypSDOymw=; b=Ub5pWiOk9wIAuw09hEyGzLqMqn4VoDfIVVIHr9VRIX5vAsg8AuhM3zmxuig1Y6K+Nln4gtpd542DduogCzBbm56uyK96E18zXMj8nK6ZjXrRtNqiSIF+/gkQoOuYnicTPUf9f2ek6m2dVKYSx8aEu3zPsiNAo+k3VxYSapvCDmY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.24,REQID:2fffbde4-5bae-4689-96a2-af9386b6d04d,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:178d4d4,CLOUDID:68a7ad3a-de1e-4348-bc35-c96f92f1dcbb,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-UUID: 9898625eeeee11edb20a276fd37b9834-20230510 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1783732380; Wed, 10 May 2023 12:53:24 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 10 May 2023 12:53:23 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 10 May 2023 12:53:23 +0800 From: Ryder Lee To: Felix Fietkau , CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , , Peter Chiu , Ryder Lee Subject: [PATCH v3 3/6] wifi: mt76: mt7915: rework tx bytes counting when WED is active Date: Wed, 10 May 2023 12:53:18 +0800 Message-ID: <0f8482ec7ad454df065411a065e6b0a2d4f6da9c.1683670255.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Peter Chiu Concurrent binding/non-binding skbs could be handled anywhere which leads to mixed byte counting, so switch to use PPDU TxS reporting regardless Tx paths when WED is active. Fixes: 43eaa3689507 ("wifi: mt76: add PPDU based TxS support for WED device") Co-developed-by: Ryder Lee Signed-off-by: Ryder Lee Signed-off-by: Peter Chiu --- .../wireless/mediatek/mt76/mt76_connac_mac.c | 2 -- .../net/wireless/mediatek/mt76/mt7915/init.c | 6 ++++ .../net/wireless/mediatek/mt76/mt7915/mmio.c | 30 ++----------------- drivers/net/wireless/mediatek/mt76/tx.c | 6 ++++ 4 files changed, 14 insertions(+), 30 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index f6346a458978..3501f0503118 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -521,8 +521,6 @@ void mt76_connac2_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi, q_idx = wmm_idx * MT76_CONNAC_MAX_WMM_SETS + mt76_connac_lmac_mapping(skb_get_queue_mapping(skb)); - /* counting non-offloading skbs */ - wcid->stats.tx_bytes += skb->len; /* mt7915 WA only counts WED path */ if (is_mt7915(dev) && mtk_wed_device_active(&dev->mmio.wed)) wcid->stats.tx_packets++; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 8d6e09605dc4..30c552a5f920 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -499,6 +499,12 @@ mt7915_mac_init_band(struct mt7915_dev *dev, u8 band) set = FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_MODE, 0) | FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_PARAM, 0x3); mt76_rmw(dev, MT_WTBLOFF_TOP_RSCR(band), mask, set); + + /* MT_TXD5_TX_STATUS_HOST (MPDU format) has higher priority than + * MT_AGG_ACR_PPDU_TXS2H (PPDU format) even though ACR bit is set. + */ + if (mtk_wed_device_active(&dev->mt76.mmio.wed)) + mt76_set(dev, MT_AGG_ACR4(band), MT_AGG_ACR_PPDU_TXS2H); } static void diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c index 45f3558bf31c..2fa059af23de 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -545,8 +545,6 @@ static u32 mt7915_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) static int mt7915_mmio_wed_offload_enable(struct mtk_wed_device *wed) { struct mt7915_dev *dev; - struct mt7915_phy *phy; - int ret; dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed); @@ -554,43 +552,19 @@ static int mt7915_mmio_wed_offload_enable(struct mtk_wed_device *wed) dev->mt76.token_size = wed->wlan.token_start; spin_unlock_bh(&dev->mt76.token_lock); - ret = wait_event_timeout(dev->mt76.tx_wait, - !dev->mt76.wed_token_count, HZ); - if (!ret) - return -EAGAIN; - - phy = &dev->phy; - mt76_set(dev, MT_AGG_ACR4(phy->mt76->band_idx), MT_AGG_ACR_PPDU_TXS2H); - - phy = dev->mt76.phys[MT_BAND1] ? dev->mt76.phys[MT_BAND1]->priv : NULL; - if (phy) - mt76_set(dev, MT_AGG_ACR4(phy->mt76->band_idx), - MT_AGG_ACR_PPDU_TXS2H); - - return 0; + return !wait_event_timeout(dev->mt76.tx_wait, + !dev->mt76.wed_token_count, HZ); } static void mt7915_mmio_wed_offload_disable(struct mtk_wed_device *wed) { struct mt7915_dev *dev; - struct mt7915_phy *phy; dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed); spin_lock_bh(&dev->mt76.token_lock); dev->mt76.token_size = MT7915_TOKEN_SIZE; spin_unlock_bh(&dev->mt76.token_lock); - - /* MT_TXD5_TX_STATUS_HOST (MPDU format) has higher priority than - * MT_AGG_ACR_PPDU_TXS2H (PPDU format) even though ACR bit is set. - */ - phy = &dev->phy; - mt76_clear(dev, MT_AGG_ACR4(phy->mt76->band_idx), MT_AGG_ACR_PPDU_TXS2H); - - phy = dev->mt76.phys[MT_BAND1] ? dev->mt76.phys[MT_BAND1]->priv : NULL; - if (phy) - mt76_clear(dev, MT_AGG_ACR4(phy->mt76->band_idx), - MT_AGG_ACR_PPDU_TXS2H); } static void mt7915_mmio_wed_release_rx_buf(struct mtk_wed_device *wed) diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 72b3ec715e47..99d395bd1bba 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -121,6 +121,7 @@ int mt76_tx_status_skb_add(struct mt76_dev *dev, struct mt76_wcid *wcid, struct sk_buff *skb) { + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct mt76_tx_cb *cb = mt76_tx_skb_cb(skb); int pid; @@ -133,6 +134,11 @@ mt76_tx_status_skb_add(struct mt76_dev *dev, struct mt76_wcid *wcid, if (info->flags & IEEE80211_TX_CTL_NO_ACK) return MT_PACKET_ID_NO_ACK; + if (mtk_wed_device_active(&dev->mmio.wed) && + ((info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) || + ieee80211_is_data(hdr->frame_control))) + return MT_PACKET_ID_WED; + if (!(info->flags & (IEEE80211_TX_CTL_REQ_TX_STATUS | IEEE80211_TX_CTL_RATE_CTRL_PROBE))) return MT_PACKET_ID_NO_SKB;