From patchwork Fri Apr 28 20:50:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 677873 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 201E0C7EE23 for ; Fri, 28 Apr 2023 20:50:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346735AbjD1UuO (ORCPT ); Fri, 28 Apr 2023 16:50:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35184 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346738AbjD1UuL (ORCPT ); Fri, 28 Apr 2023 16:50:11 -0400 Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.183]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1177240CB for ; Fri, 28 Apr 2023 13:50:10 -0700 (PDT) X-Virus-Scanned: Proofpoint Essentials engine 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 5C342C00085 for ; Fri, 28 Apr 2023 20:50:07 +0000 (UTC) Received: from ben-dt5.candelatech.com (50-251-239-81-static.hfc.comcastbusiness.net [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id 7B2DE13C2B0; Fri, 28 Apr 2023 13:50:07 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 7B2DE13C2B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1682715007; bh=e11/gnVChue1BujwM6BEcZi03d9GKv2rCZfp1q0DbnA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jiK+5EFAVmZ1E2cVjx2QG+JQQtrS9F0/NIM8s+fsAaeNj/XBDiuwwYWAxr23m0gY0 q+y4U0I1rvYImLDDY6UT6/6H9llc1hvGto/NRlDta/9+8EE0WhJlMTYGY0D9nx8BO9 ciHxbPQhwcjtP1Mup2J9dDh0IHSL7zGpxqV5qHoI= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH 6/6] wifi: mt76: mt7915: support enabling rx group-5 status Date: Fri, 28 Apr 2023 13:50:00 -0700 Message-Id: <20230428205000.2647945-6-greearb@candelatech.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230428205000.2647945-1-greearb@candelatech.com> References: <20230428205000.2647945-1-greearb@candelatech.com> MIME-Version: 1.0 X-MDID: 1682715009-DQG2JuvyfGlv X-MDID-O: us5; at1; 1682715009; DQG2JuvyfGlv; ; f7146c1849a4b08a52804beb1c1cdf45 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ben Greear When enabled, this allows per-skb rx rate reporting. Enabling this may degrade RX performance, so it remains disabled by default. Signed-off-by: Ben Greear --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 33 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/init.c | 3 +- .../net/wireless/mediatek/mt76/mt7915/main.c | 2 +- .../wireless/mediatek/mt76/mt7915/mt7915.h | 5 +++ 4 files changed, 41 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index f836754103dc..cb01f7f72d85 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -743,6 +743,38 @@ mt7915_fw_util_wa_show(struct seq_file *file, void *data) DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wa); +static int +mt7915_rx_group_5_enable_set(void *data, u64 val) +{ + struct mt7915_dev *dev = data; + + mutex_lock(&dev->mt76.mutex); + + dev->rx_group_5_enable = !!val; + + /* Enabled if we requested enabled OR if monitor mode is enabled. */ + mt76_rmw_field(dev, MT_DMA_DCR0(0), MT_DMA_DCR0_RXD_G5_EN, + dev->rx_group_5_enable); + mt76_testmode_reset(dev->phy.mt76, true); + + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static int +mt7915_rx_group_5_enable_get(void *data, u64 *val) +{ + struct mt7915_dev *dev = data; + + *val = dev->rx_group_5_enable; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_rx_group_5_enable, mt7915_rx_group_5_enable_get, + mt7915_rx_group_5_enable_set, "%lld\n"); + static void mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, struct seq_file *file) @@ -1297,6 +1329,7 @@ int mt7915_init_debugfs(struct mt7915_phy *phy) &mt7915_fw_util_wm_fops); debugfs_create_file("fw_util_wa", 0400, dir, dev, &mt7915_fw_util_wa_fops); + debugfs_create_file("rx_group_5_enable", 0600, dir, dev, &fops_rx_group_5_enable); debugfs_create_file("implicit_txbf", 0600, dir, dev, &fops_implicit_txbf); debugfs_create_file("txpower_sku", 0400, dir, phy, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index cd98a1e1e63c..75571566430e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -476,7 +476,8 @@ mt7915_mac_init_band(struct mt7915_dev *dev, u8 band) mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 0x680); /* mt7915: disable rx rate report by default due to hw issues */ - mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN); + mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN, + dev->rx_group_5_enable); /* clear estimated value of EIFS for Rx duration & OBSS time */ mt76_wr(dev, MT_WF_RMAC_RSVD0(band), MT_WF_RMAC_RSVD0_EIFS_CLR); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 55aed3c6d3be..dd73b12cea61 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -492,7 +492,7 @@ static int mt7915_config(struct ieee80211_hw *hw, u32 changed) phy->monitor_enabled = enabled; mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN, - enabled); + dev->rx_group_5_enable); mt76_testmode_reset(phy->mt76, true); __mt7915_configure_filter(hw, 0, &total_flags, multicast); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 084001647aaa..03459c6d94cd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -313,6 +313,11 @@ struct mt7915_dev { u16 chainshift; u32 hif_idx; + /* Should we enable group-5 rx descriptor logic? This may decrease RX + * throughput, but will give per skb rx rate information.. + */ + bool rx_group_5_enable; + struct work_struct init_work; struct work_struct rc_work; struct work_struct dump_work;