From patchwork Thu Nov 10 21:22:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13039374 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 B3421C4332F for ; Thu, 10 Nov 2022 21:22:45 +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: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=XKOsIjWD9UiWHhSPTpYvwZctofSL/DoRkI6SCzJGFi8=; b=OsiQ6WqMyJe8NX8BfxVDSnYcA3 DiRYVigNHaOcBRo4JxC2cPDha8CvUCOxntZGo2KOGstZpHTgamvXWJM3D1wL7mgLyYJRfn+O5cXev HSP6IKHdVzsr3oli8swetubeUlUFIsiratIF/KhxPbMQ1djtNM3IblYkgdCIl9fPBaYkKlsBE4Jg2 tlOf3EAcNR/KsZr1irEzdQfa6qg33Of0b2j7ENt6XmPSCG4N2xoIIew6NTDqfNJqBSzAaJrDRWD9/ OadvVDhIEUQiNwc735W5o9Uz1o0rCg4UoStme7/xzfnbLM/UFMuBJN617Ml4fXOhS4pU+N/sSuyza d0XGk/3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1otF0R-00ARYc-5s; Thu, 10 Nov 2022 21:22:39 +0000 Received: from nbd.name ([46.4.11.11]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1otF0F-00ARUT-Dl; Thu, 10 Nov 2022 21:22:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=XKOsIjWD9UiWHhSPTpYvwZctofSL/DoRkI6SCzJGFi8=; b=s1z7yzMESfXzDhx7aJHfunCO5+ u1WwU4WteCJetVzMY4zgbJndQmKkGHnp15bUZPLAabaMhQkzi5yxvWm72msGHOhhjREaQAW9NyXs1 VWkoC9lnFfMukB7Nyn/UB6RNlKqZ1qJtZjNQj4PSVb0HpxnFazol4H5alBY+S9tbh1lA=; Received: from p200300daa72ee10c199752172ce6dd7a.dip0.t-ipconnect.de ([2003:da:a72e:e10c:1997:5217:2ce6:dd7a] helo=Maecks.lan) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.94.2) (envelope-from ) id 1otF04-0011Om-G7; Thu, 10 Nov 2022 22:22:16 +0100 From: Felix Fietkau To: netdev@vger.kernel.org, John Crispin , Sean Wang , Mark Lee , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger Cc: Vladimir Oltean , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v3 2/4] net: ethernet: mtk_eth_soc: pass correct VLAN protocol ID to the network stack Date: Thu, 10 Nov 2022 22:22:09 +0100 Message-Id: <20221110212212.96825-3-nbd@nbd.name> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221110212212.96825-1-nbd@nbd.name> References: <20221110212212.96825-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_132227_477718_FF46D0E1 X-CRM114-Status: GOOD ( 11.26 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Use the id from the DMA descriptor instead of hardcoding 802.1q Signed-off-by: Felix Fietkau --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 1cf76fd7afbc..891dd6937f89 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1936,7 +1936,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, htons(RX_DMA_VPID(trxd.rxd4)), RX_DMA_VID(trxd.rxd4)); } else if (trxd.rxd2 & RX_DMA_VTAG) { - __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), + __vlan_hwaccel_put_tag(skb, htons(RX_DMA_VPID(trxd.rxd3)), RX_DMA_VID(trxd.rxd3)); } From patchwork Thu Nov 10 21:22:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13039375 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 D8B9EC4332F for ; Thu, 10 Nov 2022 21:22:55 +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: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H+eftt8l6Bnn209SyArb1oaE+v3tXc1RSpc0VaS+BPM=; b=MGk4OR5oaqWmylwGIcIgUfj0Zq O3yev/L8E8mw/irR1bTsHOzHyF6KC74TqnH+cr48fz4ikCOzgj1GddVNNX6NRmFgx3zQtLtASbI6k y6UckPVGIczJXq3lKVhWCPJnbMlGB3L2gIhk5DDKe5ifvMdCnPMssKAd6iduFlbqazU1msi8clZoY 3o0bGtrZmJJIvUB6h3QZUG9iOyxEHIVILKV/9Jh+s/11SNlDZnqeMfrRQ3D5/hR1i94DlsA97WjPa TF27lr0jt1IxB4RlpFWKaj4G2zx1kzIJxs54Y+Q/mFBPPW6imbBtW5OD+1u5nqLnYB3N9saMtKO0C qmUJ1lMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1otF0b-00ARbi-Iy; Thu, 10 Nov 2022 21:22:49 +0000 Received: from nbd.name ([46.4.11.11]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1otF0G-00ARUY-4l; Thu, 10 Nov 2022 21:22:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=H+eftt8l6Bnn209SyArb1oaE+v3tXc1RSpc0VaS+BPM=; b=Vg+Gz68dE57MbwQ0dhLtvumyDd ebGhYqxGEYqPJc9VPH7VcB8yrCP9698BO09vSHRoFSQXakILrWTh1AhPptBbTOIAU8d6LVBRx8xXo WTF4SCk+QYjm+fSO/JB8zeqaXySy3qn4/fiXJoifG4z1COT5Z2Tw7M135I9pesKZomm0=; Received: from p200300daa72ee10c199752172ce6dd7a.dip0.t-ipconnect.de ([2003:da:a72e:e10c:1997:5217:2ce6:dd7a] helo=Maecks.lan) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.94.2) (envelope-from ) id 1otF05-0011Om-4w; Thu, 10 Nov 2022 22:22:17 +0100 From: Felix Fietkau To: netdev@vger.kernel.org, John Crispin , Sean Wang , Mark Lee , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger Cc: Vladimir Oltean , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v3 3/4] net: ethernet: mtk_eth_soc: add support for configuring vlan rx offload Date: Thu, 10 Nov 2022 22:22:10 +0100 Message-Id: <20221110212212.96825-4-nbd@nbd.name> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221110212212.96825-1-nbd@nbd.name> References: <20221110212212.96825-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_132228_197545_C5D50DEB X-CRM114-Status: GOOD ( 15.07 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Keep the vlan rx offload feature in sync across all netdevs belonging to the device, since the feature is global and can't be turned off per MAC Signed-off-by: Felix Fietkau --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 25 ++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 891dd6937f89..a118c715b09b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2724,15 +2724,30 @@ static netdev_features_t mtk_fix_features(struct net_device *dev, static int mtk_set_features(struct net_device *dev, netdev_features_t features) { - int err = 0; + struct mtk_mac *mac = netdev_priv(dev); + struct mtk_eth *eth = mac->hw; + netdev_features_t diff = dev->features ^ features; + int i; - if (!((dev->features ^ features) & NETIF_F_LRO)) + if ((diff & NETIF_F_LRO) && !(features & NETIF_F_LRO)) + mtk_hwlro_netdev_disable(dev); + + /* Set RX VLAN offloading */ + if (!(diff & NETIF_F_HW_VLAN_CTAG_RX)) return 0; - if (!(features & NETIF_F_LRO)) - mtk_hwlro_netdev_disable(dev); + mtk_w32(eth, !!(features & NETIF_F_HW_VLAN_CTAG_RX), + MTK_CDMP_EG_CTRL); - return err; + /* sync features with other MAC */ + for (i = 0; i < MTK_MAC_COUNT; i++) { + if (!eth->netdev[i] || eth->netdev[i] == dev) + continue; + eth->netdev[i]->features &= ~NETIF_F_HW_VLAN_CTAG_RX; + eth->netdev[i]->features |= features & NETIF_F_HW_VLAN_CTAG_RX; + } + + return 0; } /* wait for DMA to finish whatever it is doing before we start using it again */ From patchwork Thu Nov 10 21:22:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13039376 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 27263C4332F for ; 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Thu, 10 Nov 2022 22:22:18 +0100 From: Felix Fietkau To: netdev@vger.kernel.org, John Crispin , Sean Wang , Mark Lee , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , Russell King Cc: Vladimir Oltean , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v3 4/4] net: ethernet: mtk_eth_soc: enable hardware DSA untagging Date: Thu, 10 Nov 2022 22:22:11 +0100 Message-Id: <20221110212212.96825-5-nbd@nbd.name> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221110212212.96825-1-nbd@nbd.name> References: <20221110212212.96825-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_132230_757516_FD667D6C X-CRM114-Status: GOOD ( 21.92 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org - pass the tag to DSA via metadata dst - disabled on 7986 for now, since it's not working yet - disabled if a MAC is enabled that does not use DSA This improves performance by bypassing the DSA tag driver and avoiding extra skb data mangling Signed-off-by: Felix Fietkau --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 66 ++++++++++++++++++--- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 8 +++ 2 files changed, 67 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index a118c715b09b..991ffa0b02f5 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -23,6 +23,7 @@ #include #include #include +#include #include "mtk_eth_soc.h" #include "mtk_wed.h" @@ -1939,13 +1940,19 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, __vlan_hwaccel_put_tag(skb, htons(RX_DMA_VPID(trxd.rxd3)), RX_DMA_VID(trxd.rxd3)); } + } + + /* When using VLAN untagging in combination with DSA, the + * hardware treats the MTK special tag as a VLAN and untags it. + */ + if (skb_vlan_tag_present(skb) && netdev_uses_dsa(netdev)) { + unsigned int port = ntohs(skb->vlan_proto) & GENMASK(2, 0); - /* If the device is attached to a dsa switch, the special - * tag inserted in VLAN field by hw switch can * be offloaded - * by RX HW VLAN offload. Clear vlan info. - */ - if (netdev_uses_dsa(netdev)) - __vlan_hwaccel_clear_tag(skb); + if (port < ARRAY_SIZE(eth->dsa_meta) && + eth->dsa_meta[port]) + skb_dst_set_noref(skb, ð->dsa_meta[port]->dst); + + __vlan_hwaccel_clear_tag(skb); } skb_record_rx_queue(skb, 0); @@ -2990,11 +2997,46 @@ static void mtk_gdm_config(struct mtk_eth *eth, u32 config) mtk_w32(eth, 0, MTK_RST_GL); } + +static bool mtk_uses_dsa(struct net_device *dev) +{ +#if IS_ENABLED(CONFIG_NET_DSA) + return netdev_uses_dsa(dev) && + dev->dsa_ptr->tag_ops->proto == DSA_TAG_PROTO_MTK; +#else + return false; +#endif +} + static int mtk_open(struct net_device *dev) { struct mtk_mac *mac = netdev_priv(dev); struct mtk_eth *eth = mac->hw; - int err; + int i, err; + + if (mtk_uses_dsa(dev)) { + for (i = 0; i < ARRAY_SIZE(eth->dsa_meta); i++) { + struct metadata_dst *md_dst = eth->dsa_meta[i]; + + if (md_dst) + continue; + + md_dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX, + GFP_KERNEL); + if (!md_dst) + return -ENOMEM; + + md_dst->u.port_info.port_id = i; + eth->dsa_meta[i] = md_dst; + } + } else { + /* Hardware special tag parsing needs to be disabled if at least + * one MAC does not use DSA. + */ + u32 val = mtk_r32(eth, MTK_CDMP_IG_CTRL); + val &= ~MTK_CDMP_STAG_EN; + mtk_w32(eth, val, MTK_CDMP_IG_CTRL); + } err = phylink_of_phy_connect(mac->phylink, mac->of_node, 0); if (err) { @@ -3321,6 +3363,10 @@ static int mtk_hw_init(struct mtk_eth *eth) */ val = mtk_r32(eth, MTK_CDMQ_IG_CTRL); mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL); + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + val = mtk_r32(eth, MTK_CDMP_IG_CTRL); + mtk_w32(eth, val | MTK_CDMP_STAG_EN, MTK_CDMP_IG_CTRL); + } /* Enable RX VLan Offloading */ mtk_w32(eth, 1, MTK_CDMP_EG_CTRL); @@ -3538,6 +3584,12 @@ static int mtk_free_dev(struct mtk_eth *eth) free_netdev(eth->netdev[i]); } + for (i = 0; i < ARRAY_SIZE(eth->dsa_meta); i++) { + if (!eth->dsa_meta[i]) + break; + metadata_dst_free(eth->dsa_meta[i]); + } + return 0; } diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 589f27ddc401..a572416e25de 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -22,6 +22,9 @@ #include #include "mtk_ppe.h" +#define MTK_MAX_DSA_PORTS 7 +#define MTK_DSA_PORT_MASK GENMASK(2, 0) + #define MTK_QDMA_PAGE_SIZE 2048 #define MTK_MAX_RX_LENGTH 1536 #define MTK_MAX_RX_LENGTH_2K 2048 @@ -91,6 +94,9 @@ #define MTK_CDMQ_IG_CTRL 0x1400 #define MTK_CDMQ_STAG_EN BIT(0) +/* CDMQ Exgress Control Register */ +#define MTK_CDMQ_EG_CTRL 0x1404 + /* CDMP Ingress Control Register */ #define MTK_CDMP_IG_CTRL 0x400 #define MTK_CDMP_STAG_EN BIT(0) @@ -1121,6 +1127,8 @@ struct mtk_eth { int ip_align; + struct metadata_dst *dsa_meta[MTK_MAX_DSA_PORTS]; + struct mtk_ppe *ppe[2]; struct rhashtable flow_table;