From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F232727381E; Mon, 28 Jul 2025 15:28:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753716526; cv=none; b=UgxIJR82slxCGAeLwuQ6tVCohpQsspAs6nJpYXfM+7qHleb8q81PSPYS3WycxegRjJ6EEXSw7ep4MLaG2bEhD7KIkA426Kv+SpMJOXqW4yAwWnWMaCNdCqGBh2eSqtciejQAbFlwYUMyAqx0b3of7jfRaqAY8qdsrsDNRlrUWIs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753716526; c=relaxed/simple; bh=/qr9LeDTif46lKIU0pPUJ5a3WdrpDcyO4yMMt+qGH1c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qwAs6bVnOFuzU6rHhZUHwU0LztUhkaRUo/eEs1KE3Zv4LQ380nXGuNeN/M6atCBEqbKizf2yGJSVt9O6dfJVoF9NohGUP+VMdNklWDRUg9f5D2pMCN07o0Rf/PuzSoc7yi4/7IzU+lvwjTuoY6RHHCEV7axVie+XLAEm5T5DLeU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ybw5xkxi; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ybw5xkxi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7EB3C4CEE7; Mon, 28 Jul 2025 15:28:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753716525; bh=/qr9LeDTif46lKIU0pPUJ5a3WdrpDcyO4yMMt+qGH1c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Ybw5xkxiZq2PfosVO+KatdPw2FWGNQ9spYKphGv080KJ98ZkmHW7GyrYjT14bB/Kw JbJvzbR0VRYIeYBr3BS+/Oxdx8k8ucPOshQottpZoynpIEZy578N/RKSE4RiJNLH9c EKmSZF8tEhJiKC3LMp7Pv5PT2Cchj8IUWx2VkhnMWNzgey2d50i/eJQGFpCJA1MJV/ JA/bn2ljI1736B5u4XkEW5X4urtS6sbFllCGs5eQKFaxl4ahcX8xOfIarlxGsF/sAV bbABF8JM5r7BWxG+y2fSATeSLQzAihiuHGli8icG5uXmuzRsk8lyNzDnixLq0MT/Kj 32QZEYKq0EnuQ== Date: Mon, 28 Jul 2025 17:28:41 +0200 From: Lorenzo Bianconi To: Dawid Osuchowski Cc: Felix Fietkau , Sean Wang , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno , Ryder Lee , Shayne Chen , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-wireless@vger.kernel.org, Rex Lu Subject: Re: [PATCH net-next] net: mediatek: wed: Introduce MT7992 WED support Message-ID: References: <20250727-mt7992-wed-support-v1-1-aad7da4dc877@kernel.org> <9314b674-dadb-4749-a792-bd4053eaae04@linux.intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="WiCFpIaCoVI82VjZ" Content-Disposition: inline In-Reply-To: <9314b674-dadb-4749-a792-bd4053eaae04@linux.intel.com> --WiCFpIaCoVI82VjZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > On 2025-07-27 2:50 PM, Lorenzo Bianconi wrote: > > Introduce the second WDMA RX ring in WED driver since Meditake MT7992 >=20 > s/Meditake/Mediatek ack, I will fix it in v2. >=20 > > WiFi chipset support two separated WDMA rings. This is a preliminary >=20 > s/support/supports ack, I will fix it in v2. >=20 > > patch to properly support WED for MT7992 in MT76 driver. > >=20 > > 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(-) > >=20 > > diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethe= rnet/mediatek/mtk_wed.c > > index 73c26fcfd85e7be3040abea8e80ff4bee881016c..44a7b4b9d5a4e7cb2c6173f= f97024ef74c241058 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 =3D { > > .regmap =3D { > > .tx_bm_tkid =3D 0x088, > > - .wpdma_rx_ring0 =3D 0x770, > > + .wpdma_rx_ring =3D { > > + 0x770, > > + }, > > .reset_idx_tx_mask =3D GENMASK(3, 0), > > .reset_idx_rx_mask =3D GENMASK(17, 16), > > }, > > @@ -70,7 +72,9 @@ static const struct mtk_wed_soc_data mt7622_data =3D { > > static const struct mtk_wed_soc_data mt7986_data =3D { > > .regmap =3D { > > .tx_bm_tkid =3D 0x0c8, > > - .wpdma_rx_ring0 =3D 0x770, > > + .wpdma_rx_ring =3D { > > + 0x770, > > + }, > > .reset_idx_tx_mask =3D GENMASK(1, 0), > > .reset_idx_rx_mask =3D GENMASK(7, 6), > > }, > > @@ -81,7 +85,10 @@ static const struct mtk_wed_soc_data mt7986_data =3D= { > > static const struct mtk_wed_soc_data mt7988_data =3D { >=20 > In the patch description you mention the mt7992 chip, however you are add= ing > a second rx_ring definition for the mt7988, is this correct? yes, since MT7992 is the WiFi chiset that is the WED funcationality consumer while MT7988 is the SoC ethernet controller. I will add more info in the co= mmit log. >=20 > > .regmap =3D { > > .tx_bm_tkid =3D 0x0c8, > > - .wpdma_rx_ring0 =3D 0x7d0, > > + .wpdma_rx_ring =3D { > > + 0x7d0, > > + 0x7d8, > > + }, > > .reset_idx_tx_mask =3D GENMASK(1, 0), > > .reset_idx_rx_mask =3D 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 =3D=3D 0x7991) > > + /* Kite and Eagle E1 PCIE1 tx ring 22 flow control issue */ > > + if (dev->wlan.id =3D=3D 0x7991 || dev->wlan.id =3D=3D 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)) >=20 > You also have mtk_wed_is_v3_or_greater() defined in the header, why not u= se > that? ack, I will fix it in v2. Regards, Lorenzo >=20 > > + 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 ir= q_mask) > > if (!dev->rx_wdma[i].desc) > > mtk_wed_wdma_rx_ring_setup(dev, i, 16, false); > > + if (dev->wlan.hw_rro) { > > + for (i =3D 0; i < MTK_WED_RX_PAGE_QUEUES; i++) { > > + u32 addr =3D 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/ethe= rnet/mediatek/mtk_wed.h > > index c1f0479d7a7182919e77c40efc30ade37abfad58..b49aee9a8b65156310e4f66= a17921e5320b3077c 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..36488aa6cc20117de4f5b76= b80beca149015e055 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, vo= id *pdev_ptr, > > MT_RXQ_WED_RING_BASE; > > wed->wlan.wpdma_rx_glo =3D pci_resource_start(pci_dev, 0) + > > MT_WPDMA_GLO_CFG; > > - wed->wlan.wpdma_rx =3D pci_resource_start(pci_dev, 0) + > > - MT_RXQ_WED_DATA_RING_BASE; > > + wed->wlan.wpdma_rx[0] =3D pci_resource_start(pci_dev, 0) + > > + MT_RXQ_WED_DATA_RING_BASE; > > } else { > > struct platform_device *plat_dev =3D pdev_ptr; > > struct resource *res; > > @@ -687,7 +687,7 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, vo= id *pdev_ptr, > > wed->wlan.wpdma_tx =3D res->start + MT_TXQ_WED_RING_BASE; > > wed->wlan.wpdma_txfree =3D res->start + MT_RXQ_WED_RING_BASE; > > wed->wlan.wpdma_rx_glo =3D res->start + MT_WPDMA_GLO_CFG; > > - wed->wlan.wpdma_rx =3D res->start + MT_RXQ_WED_DATA_RING_BASE; > > + wed->wlan.wpdma_rx[0] =3D res->start + MT_RXQ_WED_DATA_RING_BASE; > > } > > wed->wlan.nbuf =3D MT7915_HW_TOKEN_SIZE; > > wed->wlan.tx_tbit[0] =3D 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..fb2428a9b877899a0a6fb87= 9aba84e1f6e7840f2 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, vo= id *pdev_ptr, > > } > > wed->wlan.wpdma_rx_glo =3D wed->wlan.phy_base + hif1_ofs + MT_WFDMA= 0_GLO_CFG; > > - wed->wlan.wpdma_rx =3D wed->wlan.phy_base + hif1_ofs + > > - MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > > - MT7996_RXQ_BAND0 * MT_RING_SIZE; > > + wed->wlan.wpdma_rx[0] =3D wed->wlan.phy_base + hif1_ofs + > > + MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > > + MT7996_RXQ_BAND0 * MT_RING_SIZE; > > wed->wlan.id =3D MT7996_DEVICE_ID_2; > > wed->wlan.tx_tbit[0] =3D ffs(MT_INT_TX_DONE_BAND2) - 1; > > @@ -518,9 +518,9 @@ int mt7996_mmio_wed_init(struct mt7996_dev *dev, vo= id *pdev_ptr, > > wed->wlan.wpdma_rx_glo =3D wed->wlan.phy_base + MT_WFDMA0_GLO_CFG; > > - wed->wlan.wpdma_rx =3D wed->wlan.phy_base + > > - MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > > - MT7996_RXQ_BAND0 * MT_RING_SIZE; > > + wed->wlan.wpdma_rx[0] =3D wed->wlan.phy_base + > > + MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + > > + MT7996_RXQ_BAND0 * MT_RING_SIZE; > > wed->wlan.wpdma_rx_rro[0] =3D 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/m= ediatek/mtk_wed.h > > index d8949a4ed0dc9d41b3364e85a21e15d258519c45..c4ff6bab176db1f51cd94ac= 4198df0caeb557df2 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; > >=20 > > --- > > base-commit: fa582ca7e187a15e772e6a72fe035f649b387a60 > > change-id: 20250718-mt7992-wed-support-456a50d51f81 >=20 > Best, > Dawid --WiCFpIaCoVI82VjZ Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHQEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCaIeXJgAKCRA6cBh0uS2t rBgTAP95nJNJMUnd+tYgGJ6YL+nch76ILgIQuge7qAYAGer73wD43roZCTCelett 0JefP45RncInvfee3oEY9fU+nwONDA== =CTqr -----END PGP SIGNATURE----- --WiCFpIaCoVI82VjZ--