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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 56EBFC83F17 for ; Mon, 28 Jul 2025 15:00:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=F+kzz0G2TfqHbQUIov3lpQ9HROAv2YERrQ6BA6zwhRA=; b=ApKc9sJNryPBvkOTSuo140X7BG CTo+jCAu2d+nLydRK2ERAuXUimW0D5IRm3JZ8/6mpePaC6qdRrX4UzQVVSvtWDD+f3jcpIAmiEV1Z p3HKp+srVy2mLiwEzh9nWYhLOVSUBbGgFamCN7WUHnPg+/wrTjmnR09bs2NU9MWBUUGbRPynWXxa2 CnUwOw7zQU57UFVLQzUgxrLu62DLy6v380z1EgKnyLCrSFjAYERmZGyXsqYQIBsm3F3grYls0FPWX RZ8EwYMEnhyR5AwInyCK6jzzT6kg1GiB3TqK1VczZ/85ishBGYYnmqnPB0wObZ0oLfqdPhLfUXgyQ Jl6dMZHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ugPKx-0000000EkJ4-43ZF; Mon, 28 Jul 2025 15:00:23 +0000 Received: from mgamail.intel.com ([192.198.163.9]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ugPDM-0000000EjHH-3jUE; Mon, 28 Jul 2025 14:52:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1753714353; x=1785250353; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=vuOTc4Bvw88QCnRkinoJm2PmxtHviY1eT67mzEy/ibY=; b=Uvah9iVftB3bQq/kK6GAue9rgUZpfCYRARHYMRmu2FwlK+7dWgvaEuw5 ISVEQcG5DDOwHrH5kvngVDmTw++DGBwTQyM91ZFKK7xtNJGX0c7xLYlMQ DmQvXADB3Rm9p/k3uge8qIIhvGuyq9oHthrKrEns/twX3YTOPBBQDSibN Tm+ckHAa/ELGul+r/tyM6gBDEE7XukvFUuvRbFDJQxndxMYqLuNjlXpIm ZLQ7hTJCOdhXGVbyWl+48U6rphX8zuQDfBVbIAsQsGQLPWyJwZmg5ev4j IJZFOWamZJuARKEzPgay8wfezDnOPox+hv3CNVEhkAZM9M8RXMYfiFaUZ A==; X-CSE-ConnectionGUID: ayo+u0tbSC2VfN3QIM/0Cg== X-CSE-MsgGUID: cnOpQ2BJSa60X7uqdxvp5Q== X-IronPort-AV: E=McAfee;i="6800,10657,11505"; a="66666811" X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="66666811" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2025 07:52:30 -0700 X-CSE-ConnectionGUID: w5YfVOuqQySbs7vTCm6TKg== X-CSE-MsgGUID: 5dqcD0ScSjuOwirYvwZ8EA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="167843491" Received: from hlagrand-mobl1.ger.corp.intel.com (HELO [10.245.102.40]) ([10.245.102.40]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2025 07:52:26 -0700 Message-ID: <9314b674-dadb-4749-a792-bd4053eaae04@linux.intel.com> Date: Mon, 28 Jul 2025 16:52:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next] net: mediatek: wed: Introduce MT7992 WED support To: Lorenzo Bianconi , Felix Fietkau , Sean Wang , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno , Ryder Lee , Shayne Chen Cc: netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-wireless@vger.kernel.org, Rex Lu References: <20250727-mt7992-wed-support-v1-1-aad7da4dc877@kernel.org> Content-Language: pl, en-US From: Dawid Osuchowski In-Reply-To: <20250727-mt7992-wed-support-v1-1-aad7da4dc877@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250728_075232_978580_120933C2 X-CRM114-Status: GOOD ( 24.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2025-07-27 2:50 PM, Lorenzo Bianconi wrote: > Introduce the second WDMA RX ring in WED driver since Meditake MT7992 s/Meditake/Mediatek > WiFi chipset support two separated WDMA rings. This is a preliminary s/support/supports > patch to properly support WED for MT7992 in MT76 driver. > > Co-developed-by: Rex Lu > Signed-off-by: Rex Lu > Signed-off-by: Lorenzo Bianconi > --- > drivers/net/ethernet/mediatek/mtk_wed.c | 33 +++++++++++++++++++----- > drivers/net/ethernet/mediatek/mtk_wed.h | 2 +- > drivers/net/wireless/mediatek/mt76/mt7915/mmio.c | 6 ++--- > drivers/net/wireless/mediatek/mt76/mt7996/mmio.c | 12 ++++----- > include/linux/soc/mediatek/mtk_wed.h | 2 +- > 5 files changed, 38 insertions(+), 17 deletions(-) > > diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c > index 73c26fcfd85e7be3040abea8e80ff4bee881016c..44a7b4b9d5a4e7cb2c6173ff97024ef74c241058 100644 > --- a/drivers/net/ethernet/mediatek/mtk_wed.c > +++ b/drivers/net/ethernet/mediatek/mtk_wed.c > @@ -59,7 +59,9 @@ struct mtk_wed_flow_block_priv { > static const struct mtk_wed_soc_data mt7622_data = { > .regmap = { > .tx_bm_tkid = 0x088, > - .wpdma_rx_ring0 = 0x770, > + .wpdma_rx_ring = { > + 0x770, > + }, > .reset_idx_tx_mask = GENMASK(3, 0), > .reset_idx_rx_mask = GENMASK(17, 16), > }, > @@ -70,7 +72,9 @@ static const struct mtk_wed_soc_data mt7622_data = { > static const struct mtk_wed_soc_data mt7986_data = { > .regmap = { > .tx_bm_tkid = 0x0c8, > - .wpdma_rx_ring0 = 0x770, > + .wpdma_rx_ring = { > + 0x770, > + }, > .reset_idx_tx_mask = GENMASK(1, 0), > .reset_idx_rx_mask = GENMASK(7, 6), > }, > @@ -81,7 +85,10 @@ static const struct mtk_wed_soc_data mt7986_data = { > static const struct mtk_wed_soc_data mt7988_data = { In the patch description you mention the mt7992 chip, however you are adding a second rx_ring definition for the mt7988, is this correct? > .regmap = { > .tx_bm_tkid = 0x0c8, > - .wpdma_rx_ring0 = 0x7d0, > + .wpdma_rx_ring = { > + 0x7d0, > + 0x7d8, > + }, > .reset_idx_tx_mask = GENMASK(1, 0), > .reset_idx_rx_mask = GENMASK(7, 6), > }, > @@ -621,8 +628,8 @@ mtk_wed_amsdu_init(struct mtk_wed_device *dev) > return ret; > } > > - /* eagle E1 PCIE1 tx ring 22 flow control issue */ > - if (dev->wlan.id == 0x7991) > + /* Kite and Eagle E1 PCIE1 tx ring 22 flow control issue */ > + if (dev->wlan.id == 0x7991 || dev->wlan.id == 0x7992) > wed_clr(dev, MTK_WED_AMSDU_FIFO, MTK_WED_AMSDU_IS_PRIOR0_RING); > > wed_set(dev, MTK_WED_CTRL, MTK_WED_CTRL_TX_AMSDU_EN); > @@ -1239,7 +1246,11 @@ mtk_wed_set_wpdma(struct mtk_wed_device *dev) > return; > > wed_w32(dev, MTK_WED_WPDMA_RX_GLO_CFG, dev->wlan.wpdma_rx_glo); > - wed_w32(dev, dev->hw->soc->regmap.wpdma_rx_ring0, dev->wlan.wpdma_rx); > + wed_w32(dev, dev->hw->soc->regmap.wpdma_rx_ring[0], > + dev->wlan.wpdma_rx[0]); > + if (mtk_wed_is_v3(dev->hw)) You also have mtk_wed_is_v3_or_greater() defined in the header, why not use that? > + wed_w32(dev, dev->hw->soc->regmap.wpdma_rx_ring[1], > + dev->wlan.wpdma_rx[1]); > > if (!dev->wlan.hw_rro) > return; > @@ -2323,6 +2334,16 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask) > if (!dev->rx_wdma[i].desc) > mtk_wed_wdma_rx_ring_setup(dev, i, 16, false); > > + if (dev->wlan.hw_rro) { > + for (i = 0; i < MTK_WED_RX_PAGE_QUEUES; i++) { > + u32 addr = MTK_WED_RRO_MSDU_PG_CTRL0(i) + > + MTK_WED_RING_OFS_COUNT; > + > + if (!wed_r32(dev, addr)) > + wed_w32(dev, addr, 1); > + } > + } > + > mtk_wed_hw_init(dev); > mtk_wed_configure_irq(dev, irq_mask); > > diff --git a/drivers/net/ethernet/mediatek/mtk_wed.h b/drivers/net/ethernet/mediatek/mtk_wed.h > index c1f0479d7a7182919e77c40efc30ade37abfad58..b49aee9a8b65156310e4f66a17921e5320b3077c 100644 > --- a/drivers/net/ethernet/mediatek/mtk_wed.h > +++ b/drivers/net/ethernet/mediatek/mtk_wed.h > @@ -17,7 +17,7 @@ struct mtk_wed_wo; > struct mtk_wed_soc_data { > struct { > u32 tx_bm_tkid; > - u32 wpdma_rx_ring0; > + u32 wpdma_rx_ring[MTK_WED_RX_QUEUES]; > u32 reset_idx_tx_mask; > u32 reset_idx_rx_mask; > } regmap; > diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c > index 4a82f8e4c118061fc76459dc0e38f7ee27e25a3a..36488aa6cc20117de4f5b76b80beca149015e055 100644 > --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c > +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c > @@ -664,8 +664,8 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr, > MT_RXQ_WED_RING_BASE; > wed->wlan.wpdma_rx_glo = pci_resource_start(pci_dev, 0) + > MT_WPDMA_GLO_CFG; > - wed->wlan.wpdma_rx = pci_resource_start(pci_dev, 0) + > - MT_RXQ_WED_DATA_RING_BASE; > + wed->wlan.wpdma_rx[0] = pci_resource_start(pci_dev, 0) + > + MT_RXQ_WED_DATA_RING_BASE; > } else { > struct platform_device *plat_dev = pdev_ptr; > struct resource *res; > @@ -687,7 +687,7 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr, > wed->wlan.wpdma_tx = res->start + MT_TXQ_WED_RING_BASE; > wed->wlan.wpdma_txfree = res->start + MT_RXQ_WED_RING_BASE; > wed->wlan.wpdma_rx_glo = res->start + MT_WPDMA_GLO_CFG; > - wed->wlan.wpdma_rx = res->start + MT_RXQ_WED_DATA_RING_BASE; > + wed->wlan.wpdma_rx[0] = res->start + MT_RXQ_WED_DATA_RING_BASE; > } > wed->wlan.nbuf = MT7915_HW_TOKEN_SIZE; > wed->wlan.tx_tbit[0] = is_mt7915(&dev->mt76) ? 4 : 30; > diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c > index 30b40f4a91be81d429d11f15036167396756d2dc..fb2428a9b877899a0a6fb879aba84e1f6e7840f2 100644 > --- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c > +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c > @@ -503,9 +503,9 @@ int mt7996_mmio_wed_init(struct mt7996_dev *dev, void *pdev_ptr, > } > > wed->wlan.wpdma_rx_glo = wed->wlan.phy_base + hif1_ofs + MT_WFDMA0_GLO_CFG; > - wed->wlan.wpdma_rx = wed->wlan.phy_base + hif1_ofs + > - MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > - MT7996_RXQ_BAND0 * MT_RING_SIZE; > + wed->wlan.wpdma_rx[0] = wed->wlan.phy_base + hif1_ofs + > + MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > + MT7996_RXQ_BAND0 * MT_RING_SIZE; > > wed->wlan.id = MT7996_DEVICE_ID_2; > wed->wlan.tx_tbit[0] = ffs(MT_INT_TX_DONE_BAND2) - 1; > @@ -518,9 +518,9 @@ int mt7996_mmio_wed_init(struct mt7996_dev *dev, void *pdev_ptr, > > wed->wlan.wpdma_rx_glo = wed->wlan.phy_base + MT_WFDMA0_GLO_CFG; > > - wed->wlan.wpdma_rx = wed->wlan.phy_base + > - MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > - MT7996_RXQ_BAND0 * MT_RING_SIZE; > + wed->wlan.wpdma_rx[0] = wed->wlan.phy_base + > + MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > + MT7996_RXQ_BAND0 * MT_RING_SIZE; > > wed->wlan.wpdma_rx_rro[0] = wed->wlan.phy_base + > MT_RXQ_RING_BASE(MT7996_RXQ_RRO_BAND0) + > diff --git a/include/linux/soc/mediatek/mtk_wed.h b/include/linux/soc/mediatek/mtk_wed.h > index d8949a4ed0dc9d41b3364e85a21e15d258519c45..c4ff6bab176db1f51cd94ac4198df0caeb557df2 100644 > --- a/include/linux/soc/mediatek/mtk_wed.h > +++ b/include/linux/soc/mediatek/mtk_wed.h > @@ -147,7 +147,7 @@ struct mtk_wed_device { > u32 wpdma_tx; > u32 wpdma_txfree; > u32 wpdma_rx_glo; > - u32 wpdma_rx; > + u32 wpdma_rx[MTK_WED_RX_QUEUES]; > u32 wpdma_rx_rro[MTK_WED_RX_QUEUES]; > u32 wpdma_rx_pg; > > > --- > base-commit: fa582ca7e187a15e772e6a72fe035f649b387a60 > change-id: 20250718-mt7992-wed-support-456a50d51f81 Best, Dawid