From patchwork Wed Jan 13 14:59:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George McCollister X-Patchwork-Id: 362633 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9840EC43381 for ; Wed, 13 Jan 2021 15:00:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 65520235FF for ; Wed, 13 Jan 2021 15:00:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726956AbhAMPA1 (ORCPT ); Wed, 13 Jan 2021 10:00:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726837AbhAMPA0 (ORCPT ); Wed, 13 Jan 2021 10:00:26 -0500 Received: from mail-oo1-xc30.google.com (mail-oo1-xc30.google.com [IPv6:2607:f8b0:4864:20::c30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9161DC061794; Wed, 13 Jan 2021 06:59:45 -0800 (PST) Received: by mail-oo1-xc30.google.com with SMTP id p72so580534oop.4; Wed, 13 Jan 2021 06:59:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DD9DlgAgyNERj6h+oZEYHseyiB3DhwtndfKECvUciw4=; b=AVDV7RXR1CWpH4LqOtbhZwd9FB8Tns0SuQPMWII1pMY0okU3xU/OEdqr49d0XCRehU cSjHnPfepBFXMrPJLwiXSgoei2yyhfh+e5d3FhVBOm9rTnxYIstoYrPzxh/ylFvAD2im eMwyLNKwq2C1MqXZCbvKWk5r6kcDfxp7e1o3WprBcPmhVzQcMagtPSZryLR150qI4yeq qFPvQxD1RevSVGENPuz/usgmibC+koPFdlh73NhN+vym6twFOBKXb6vmqSPBgFYlDfvD k/lz1ptWF0Hbsc/h8N5TnVOndZNabQR6LFKidzgjhaSdVfVZJhl70vREskbvgn0ZuUcA XaXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DD9DlgAgyNERj6h+oZEYHseyiB3DhwtndfKECvUciw4=; b=iwcLnYNMCLQ6q8JCkF7bLSSFTFjTarDiWogtssWrcWmzDcheEfpAslCLCTju5tl4nc 6hPP1UACTH2yYCLuyhb4VzYH6lyGkTfmu9iVNAWMDQ5t3WcylbLnD2GVO8BUn4N1qwxt 7i/XLewERWDemDcc9oovNQz/1JP3aNtX7yoZFQ1WBsjgcK2/6oo6mMf8OYo8EYGjgVqq ZFtQGIi9We0tMZ60DCHecdQsqWlHA1gUeNizwHqiuYf+AS/B9KrrEJEOY1LS+90QMYSK w2Of+oObTlTqNr0jnQjI9CH1ikNf8UdvJsewXIxt9zACAjcGn0FuwYk3GoRuMoe6bZs6 9gOg== X-Gm-Message-State: AOAM530MOL6LgVJzRgm2GQZz2jKaM/Z/klf+hClwyWheeYE1OdG0l+mn yoAlgB++nRuhPnbyCbUzxA== X-Google-Smtp-Source: ABdhPJy9wLMxaUE85yzD04+dYjDul1NbB00aTRS36Tvv8iZ6DxoyoTpedKcEFSg03dCIosGfQu8IMw== X-Received: by 2002:a4a:e606:: with SMTP id f6mr1535452oot.4.1610549983556; Wed, 13 Jan 2021 06:59:43 -0800 (PST) Received: from threadripper.novatech-llc.local ([216.21.169.52]) by smtp.gmail.com with ESMTPSA id f25sm440719oou.39.2021.01.13.06.59.41 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Jan 2021 06:59:42 -0800 (PST) From: George McCollister To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean Cc: Rob Herring , "David S . Miller" , netdev@vger.kernel.org, devicetree@vger.kernel.org, George McCollister Subject: [PATCH net-next v4 1/3] dsa: add support for Arrow XRS700x tag trailer Date: Wed, 13 Jan 2021 08:59:20 -0600 Message-Id: <20210113145922.92848-2-george.mccollister@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20210113145922.92848-1-george.mccollister@gmail.com> References: <20210113145922.92848-1-george.mccollister@gmail.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add support for Arrow SpeedChips XRS700x single byte tag trailer. This is modeled on tag_trailer.c which works in a similar way. Signed-off-by: George McCollister Reviewed-by: Andrew Lunn Reviewed-by: Florian Fainelli --- include/net/dsa.h | 2 ++ net/dsa/Kconfig | 6 +++++ net/dsa/Makefile | 1 + net/dsa/tag_xrs700x.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 76 insertions(+) create mode 100644 net/dsa/tag_xrs700x.c diff --git a/include/net/dsa.h b/include/net/dsa.h index c3485ba6c312..74b5bf835657 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -46,6 +46,7 @@ struct phylink_link_state; #define DSA_TAG_PROTO_AR9331_VALUE 16 #define DSA_TAG_PROTO_RTL4_A_VALUE 17 #define DSA_TAG_PROTO_HELLCREEK_VALUE 18 +#define DSA_TAG_PROTO_XRS700X_VALUE 19 enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, @@ -67,6 +68,7 @@ enum dsa_tag_protocol { DSA_TAG_PROTO_AR9331 = DSA_TAG_PROTO_AR9331_VALUE, DSA_TAG_PROTO_RTL4_A = DSA_TAG_PROTO_RTL4_A_VALUE, DSA_TAG_PROTO_HELLCREEK = DSA_TAG_PROTO_HELLCREEK_VALUE, + DSA_TAG_PROTO_XRS700X = DSA_TAG_PROTO_XRS700X_VALUE, }; struct packet_type; diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index dfecd7b22fd7..2d226a5c085f 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -139,4 +139,10 @@ config NET_DSA_TAG_TRAILER Say Y or M if you want to enable support for tagging frames at with a trailed. e.g. Marvell 88E6060. +config NET_DSA_TAG_XRS700X + tristate "Tag driver for XRS700x switches" + help + Say Y or M if you want to enable support for tagging frames for + Arrow SpeedChips XRS700x switches that use a single byte tag trailer. + endif diff --git a/net/dsa/Makefile b/net/dsa/Makefile index 0fb2b75a7ae3..92cea2132241 100644 --- a/net/dsa/Makefile +++ b/net/dsa/Makefile @@ -18,3 +18,4 @@ obj-$(CONFIG_NET_DSA_TAG_OCELOT) += tag_ocelot.o obj-$(CONFIG_NET_DSA_TAG_QCA) += tag_qca.o obj-$(CONFIG_NET_DSA_TAG_SJA1105) += tag_sja1105.o obj-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o +obj-$(CONFIG_NET_DSA_TAG_XRS700X) += tag_xrs700x.o diff --git a/net/dsa/tag_xrs700x.c b/net/dsa/tag_xrs700x.c new file mode 100644 index 000000000000..4ee7c260a8a9 --- /dev/null +++ b/net/dsa/tag_xrs700x.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * XRS700x tag format handling + * Copyright (c) 2008-2009 Marvell Semiconductor + * Copyright (c) 2020 NovaTech LLC + */ + +#include +#include +#include +#include + +#include "dsa_priv.h" + +static struct sk_buff *xrs700x_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct dsa_port *dp = dsa_slave_to_port(dev); + u8 *trailer; + + trailer = skb_put(skb, 1); + trailer[0] = BIT(dp->index); + + return skb; +} + +static struct sk_buff *xrs700x_rcv(struct sk_buff *skb, struct net_device *dev, + struct packet_type *pt) +{ + int source_port; + u8 *trailer; + + if (skb_linearize(skb)) + return NULL; + + trailer = skb_tail_pointer(skb) - 1; + + source_port = ffs((int)trailer[0]) - 1; + + if (source_port < 0) + return NULL; + + skb->dev = dsa_master_find_slave(dev, 0, source_port); + if (!skb->dev) + return NULL; + + if (pskb_trim_rcsum(skb, skb->len - 1)) + return NULL; + + /* Frame is forwarded by hardware, don't forward in software. */ + skb->offload_fwd_mark = 1; + + return skb; +} + +static const struct dsa_device_ops xrs700x_netdev_ops = { + .name = "xrs700x", + .proto = DSA_TAG_PROTO_XRS700X, + .xmit = xrs700x_xmit, + .rcv = xrs700x_rcv, + .overhead = 1, + .tail_tag = true, +}; + +MODULE_LICENSE("GPL"); +MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_XRS700X); + +module_dsa_tag_driver(xrs700x_netdev_ops); From patchwork Wed Jan 13 14:59:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George McCollister X-Patchwork-Id: 362632 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56615C433E6 for ; Wed, 13 Jan 2021 15:01:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1067A235FF for ; Wed, 13 Jan 2021 15:01:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727068AbhAMPAb (ORCPT ); Wed, 13 Jan 2021 10:00:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726837AbhAMPA2 (ORCPT ); Wed, 13 Jan 2021 10:00:28 -0500 Received: from mail-ot1-x333.google.com (mail-ot1-x333.google.com [IPv6:2607:f8b0:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94E15C06179F; Wed, 13 Jan 2021 06:59:47 -0800 (PST) Received: by mail-ot1-x333.google.com with SMTP id q25so2110753otn.10; Wed, 13 Jan 2021 06:59:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=dxs0NJvJmBAu/+s8TLnC3MeVApUdCV36QEczfzjAyAs=; b=Etc7CczaK+zRgqYlHy0I9d278nKUDa+LXjO9jeA+hc2GVdmN0dd0thOwl5mU3aMJei H5aquTe14HHr4jMdVqzthnK8bajy7K++KIClGCPFsx86hXh4tN3szIFh+hVksyVlL3H3 sbCGwfogWD7hrLbCxqV4QGQEQOnZs7pLk9XileMuYpC7njfbFJtqLJl3SfsiktCuq6UP TfhzvnlXS0cUfKsOeJkDelRV7pXt+X/Bx9w3FQcOYlNh74ijnyU+XjSRXHIfiJxPAzu7 w+i3uOnXfvMEFEQG0W+AsFzty3btlBPSW/YyBEcRNAyPRD4foVqjr6QBAf6G5qG7ELJL QnPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=dxs0NJvJmBAu/+s8TLnC3MeVApUdCV36QEczfzjAyAs=; b=JUX741tDTC3qM6cGrTdUL5WCoUDc6kFt6M/yhqTMc4N/tRI0JBAHo8AWAZzyEK7qPA HJpgE933E8bHvdbVntVwAHu04Ef6Wth1twg821Q8aGvh+rHDTHDT96rcQKl9GPpC4H9D sAdMv9vos00ezlMwGRxzqnWHyYe+rVTpbFDi3oVzNRBv3mJ01XXxzjUvvXLL3N0Im5Av fEgRZecEI8/2OKAHg3h7A6kJe0DdT6VTM2D7TCQhidhb6B4P8/BZzDXmEnf46nni+gzZ XWWqbxL6UoeH+/jK1400imhQq+yDQHjnRdZo07uSyfjndfPSO/KpJuGKYjH4HT7accbS 5YsQ== X-Gm-Message-State: AOAM532aaOKL4XpNr5ID1U7ZceNnq+9zP43EYAhXMgtbVZ2fiDZ/QITh zkNp8kI5hFIrj7bkO+HZmA== X-Google-Smtp-Source: ABdhPJzGT6yX+sn3TY+N84dyQvctxdfCn1JZx6Aona/JcuNQbnwrmB2JQqU5qDNxdRtlsGapD1us1Q== X-Received: by 2002:a9d:5c8b:: with SMTP id a11mr1477351oti.126.1610549986945; Wed, 13 Jan 2021 06:59:46 -0800 (PST) Received: from threadripper.novatech-llc.local ([216.21.169.52]) by smtp.gmail.com with ESMTPSA id f25sm440719oou.39.2021.01.13.06.59.45 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Jan 2021 06:59:45 -0800 (PST) From: George McCollister To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean Cc: Rob Herring , "David S . Miller" , netdev@vger.kernel.org, devicetree@vger.kernel.org, George McCollister Subject: [PATCH net-next v4 3/3] dt-bindings: net: dsa: add bindings for xrs700x switches Date: Wed, 13 Jan 2021 08:59:22 -0600 Message-Id: <20210113145922.92848-4-george.mccollister@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20210113145922.92848-1-george.mccollister@gmail.com> References: <20210113145922.92848-1-george.mccollister@gmail.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add documentation and an example for Arrow SpeedChips XRS7000 Series single chip Ethernet switches. Signed-off-by: George McCollister Reviewed-by: Florian Fainelli --- .../devicetree/bindings/net/dsa/arrow,xrs700x.yaml | 73 ++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml diff --git a/Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml b/Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml new file mode 100644 index 000000000000..3f01b65f3b22 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/dsa/arrow,xrs700x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arrow SpeedChips XRS7000 Series Switch Device Tree Bindings + +allOf: + - $ref: dsa.yaml# + +maintainers: + - George McCollister + +description: + The Arrow SpeedChips XRS7000 Series of single chip gigabit Ethernet switches + are designed for critical networking applications. They have up to three + RGMII ports and one RMII port and are managed via i2c or mdio. + +properties: + compatible: + oneOf: + - enum: + - arrow,xrs7003e + - arrow,xrs7003f + - arrow,xrs7004e + - arrow,xrs7004f + + reg: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + switch@8 { + compatible = "arrow,xrs7004e"; + reg = <0x8>; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + ethernet-port@1 { + reg = <1>; + label = "lan0"; + phy-handle = <&swphy0>; + phy-mode = "rgmii-id"; + }; + ethernet-port@2 { + reg = <2>; + label = "lan1"; + phy-handle = <&swphy1>; + phy-mode = "rgmii-id"; + }; + ethernet-port@3 { + reg = <3>; + label = "cpu"; + ethernet = <&fec1>; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + }; + }; + };