From patchwork Tue Feb 13 22:03:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pawel Dembicki X-Patchwork-Id: 200689 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:bc8a:b0:106:860b:bbdd with SMTP id dn10csp836399dyb; Tue, 13 Feb 2024 14:11:49 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCV0aY9FlHarbTzHA98JWb2mSqweykd5pgSOzD62uDRwKIfJMnSdRnGTilGxZqMnZLhwHjbSirehpoaDDwY65IJZtGR3/w== X-Google-Smtp-Source: AGHT+IHVMSQIJ+A7VhssUxP3VrFJZzM57bE5Qkb0A/AeRLO8ikoNzXIPHFLg4xdd2qDiB94cAXqn X-Received: by 2002:a67:ebd4:0:b0:46d:2544:7106 with SMTP id y20-20020a67ebd4000000b0046d25447106mr771545vso.29.1707862308904; Tue, 13 Feb 2024 14:11:48 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707862308; cv=pass; d=google.com; s=arc-20160816; b=cs6yYtEZIpYZe9LW7Esq6X8f9ZQQyTsPTHm3ogvgty1HOTDe+ll7lMXZiCARqvkSgt goDtxzZtnMdK+qOGO6FMXmQSvd6Q1vf3hhdtnkgQc1OaoegBnU1vcK+hvFUrYckA9k55 t3BmCHXOMnCUuWdGBu+QILjn+pSNIupnDZI7nsOWpI/Dp81IfakCHxGSiKSUKyNeYlT5 7ULjbPi2GxWQ3AqY9TYp85y4YZB8DIyAplk0ar1Bq+L/M7Y2zd1XSohfUdrYg25UIWax y/s9GDdneLl6JGmaEngkC85lnbmZxKQOTJ9zWJq7q39O0pTAvzMYzHWSjsJMe7AP+xrB kuEg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=bwJcHCbiEJFiPaixjIdrmQwiczYM9/vn6dsLmIZry58=; fh=5pkge5js3WTjZe8+A9yKP0lyqYRP7brOxOKEXyIDu6U=; b=nKVSoTMC/Hc9qZ81zZQuSV3PUPwL6Y2D7WtW75Z7So7Hj0pavpXDNcECtdiqjNVGTZ RpXLE60RfsyaSIXY9KQdtvSICymf+7Mwdaw/mBSPNuTKcCwKfVjjcrsa5SgFtmrda9Ac ZgCqURTaO6viKd4OVJqPthcrLAEUekac2kADNiTJ7JaqLtQ6vMGDgeD7gNPULWFArEjB 2RW7jRx2nO0Jgd9JX1/XVHWHzZPHKTpoLV1iHNcdNZka8lZz6cxF8rSm47JH7LDVgt7J SJMJDgQQBaCrn18n3K5xpV3BytdbQDAbRpifUsa88h89CA9RhxoQKG9E4ADn9qOpGjo2 weTA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b="jdFcB2/7"; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-64427-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-64427-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com X-Forwarded-Encrypted: i=2; AJvYcCV0taHPHgJ7kcURWZNa3l0aK4YNhcg1FuL5e2urn6P2Imns0Ig1Uh4aIhjAhRvff+dEgpEcrEPg3fK7G56AjPtj1sTJ3w== Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id c8-20020ac86e88000000b0042c57060220si3738518qtv.20.2024.02.13.14.11.48 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Feb 2024 14:11:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-64427-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b="jdFcB2/7"; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-64427-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-64427-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id B03671C28004 for ; Tue, 13 Feb 2024 22:10:44 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1A5AA69DF0; Tue, 13 Feb 2024 22:05:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jdFcB2/7" Received: from mail-ej1-f50.google.com (mail-ej1-f50.google.com [209.85.218.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFEA169D2E; Tue, 13 Feb 2024 22:05:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.50 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707861938; cv=none; b=A568t7clR7kiXb20Mw3TWRNBbsTZDUtVm0CpsCe/+vUwhdmigcTzUF5jg0K0CTGgO40VtBMHwUqX94hwLluyjqDcA5sDfJk4Fjbh7JB6+b207Zoam8gyQp64cTFScYmZrWyG6ZSLwWPNbRwQsxwaZog7nxpJTh6T6mD8IM9bd4s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707861938; c=relaxed/simple; bh=aSfhz/n2RCJGOr6hG14wnL3tSy0jymdagBk+PlbYLf4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=V55SxLFxsjk8Bxuhq1dzymyU0lWWx5hk46Y7ot3u4f9U5u0+qnuChg3/t9kwOQDtZK5kc+7xmZOIyYcSTGNwkoM2YmuGG3jnqNbSjOUyLRsHlUfFrubHkYeh+sWbHOV2GJ72RzYfL5uyPMCWyrDMdySBnpfqb254bCDxpzg9KfA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=jdFcB2/7; arc=none smtp.client-ip=209.85.218.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ej1-f50.google.com with SMTP id a640c23a62f3a-a3cc2f9621aso149971666b.1; Tue, 13 Feb 2024 14:05:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707861935; x=1708466735; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=bwJcHCbiEJFiPaixjIdrmQwiczYM9/vn6dsLmIZry58=; b=jdFcB2/7kyE5ojdvbVC1UwXcBby/bARnk2hS0R9FTrcJrKeNLT9aVEGCWjMogapC7P XvVc5MIATgBr5nblEcep1ow/X3A5MXW9HYwZcnxFmZSRLsf7pAKDvL6tCohYOOKa8PDA neiXHqMd4y5uhKiGMD05Oe8izl3Xxf8/tksNGI9ywtJP7C6hSVv5iQ9YstmcmwqIMY4+ L2A19wvAkWPxbkEDaiORtrpQbg1Z6ZeyKAEKvyB6l8Tsq3SK+5Bq6RXLDO1W1G8CGDDd OuiiBcJMvBjGQSJ90fN2UHg3upPeWsMbkMJsS9C6JMYAtZBfKRUihuh50GINFr4+A4uL 6+sg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707861935; x=1708466735; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bwJcHCbiEJFiPaixjIdrmQwiczYM9/vn6dsLmIZry58=; b=gS2zK8CiOfZamNPivniJGuA8+DHfbI1dm2/Bu++ZsrEdkVYdzGIZkvGYsLlYCbUTBE PBk2T9W9vDqVOo6eG+0yWHeot0NRgOf+/fhVJbuChAHe3FXiGikmbVn8IiYd4AEHQz65 Mdbn6q1Q9beJIUYtSyEF+V+PC3F7/B/kxgZlTXZ5352LofhaYaIJkimwxYcEgdcGOFT/ jPiop0GJBYomH8ZdA7N+QN/NMQQGDEiAMrZeuoK8xB147djWJe3ChvBrJHLRF2jFwAQ6 xZbBz6wbg4YK3dPdL811nBD//f4x6mgxMkmqH9vWVOe8wa37XuGnn/wLZM7JGE7Su5Bt Vuiw== X-Forwarded-Encrypted: i=1; AJvYcCXxHLj7daSQfbSfoOF7EA5QeOyNbYcbL8atW2Ktguh0X857gZRW9DZBHPpEtl4+l7oLObcW6bDqKehcMcAgWgb+aj/eY+gpfPjfPPoF X-Gm-Message-State: AOJu0YwH+fI+WOU2hMD7TwSJWxE8hMhV3C/NxKr3y92tD13yofIF8w7f /4AVqjup8zKi3a0XYXzsRENBHjxNG2k1n4Jv8THvM+6bfahnZNQdQPnp38uo4aM= X-Received: by 2002:a17:906:5a8a:b0:a3c:f38b:ec4e with SMTP id l10-20020a1709065a8a00b00a3cf38bec4emr395277ejq.16.1707861934882; Tue, 13 Feb 2024 14:05:34 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCXswr14b8uYnfaE61bHXSkCtVnwB0LXtgndBOSCLt2TaDGAF49nsx8CXfIr/v8kfzAvmoXp2KBr2DKaMaHA0hmAK28w94XApE0yZsNFXXbfNRvZ+bDrkrG1ENfElECB5TMgwFyevBXwtmAzrGhFq79XrzsNLgANoC5QfdOFW7eV7eBhwrhYWzovo/z/Bogq9qN0eqvwaBNHB2dux1exfrxrwwvf+rfwnj8wkvQiN4EKwE5N4E2kzwEyh3fQNusDSAvpQnzfIYFSOVmYLhapX5QR0q0rPZxixdOonGRqZurZKNjq0SG1QSjGMwcoZINcsRSZE3TYA+LQdeAb4f4kYDwLmiRxru8o+BMqklCEfX5+vA30yN2Ct0l6U8wwOA4VA6NOVHXXJvxy1gMUCzFw9I5Xg0Wza4NXV0DsL0e+MohVc0JDxR/CnHs3xNPKJrWwnEWXBJmB/PJgIQ== Received: from WBEC325.dom.lan ([185.188.71.122]) by smtp.gmail.com with ESMTPSA id p12-20020a170906b20c00b00a3bdf8ae86asm1706800ejz.10.2024.02.13.14.05.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Feb 2024 14:05:34 -0800 (PST) From: Pawel Dembicki To: netdev@vger.kernel.org Cc: linus.walleij@linaro.org, Pawel Dembicki , Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Claudiu Manoil , Alexandre Belloni , UNGLinuxDriver@microchip.com, Russell King , linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 06/15] net: dsa: vsc73xx: add port_stp_state_set function Date: Tue, 13 Feb 2024 23:03:19 +0100 Message-Id: <20240213220331.239031-7-paweldembicki@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240213220331.239031-1-paweldembicki@gmail.com> References: <20240213220331.239031-1-paweldembicki@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790823428807208114 X-GMAIL-MSGID: 1790823428807208114 This isn't a fully functional implementation of 802.1D, but port_stp_state_set is required for a future tag8021q operations. This implementation handles properly all states, but vsc73xx doesn't forward STP packets. Reviewed-by: Linus Walleij Signed-off-by: Pawel Dembicki --- v4: - fully reworked port_stp_state_set v3: - use 'VSC73XX_MAX_NUM_PORTS' define - add 'state == BR_STATE_DISABLED' condition - fix style issues v2: - fix kdoc drivers/net/dsa/vitesse-vsc73xx-core.c | 83 ++++++++++++++++++++++++-- 1 file changed, 77 insertions(+), 6 deletions(-) diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 75597daaad17..1dca3c476fac 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -163,6 +163,10 @@ #define VSC73XX_AGENCTRL 0xf0 #define VSC73XX_CAPRST 0xff +#define VSC73XX_SRCMASKS_CPU_COPY BIT(27) +#define VSC73XX_SRCMASKS_MIRROR BIT(26) +#define VSC73XX_SRCMASKS_PORTS_MASK GENMASK(7, 0) + #define VSC73XX_MACACCESS_CPU_COPY BIT(14) #define VSC73XX_MACACCESS_FWD_KILL BIT(13) #define VSC73XX_MACACCESS_IGNORE_VLAN BIT(12) @@ -619,9 +623,6 @@ static int vsc73xx_setup(struct dsa_switch *ds) vsc73xx_write(vsc, VSC73XX_BLOCK_SYSTEM, 0, VSC73XX_GMIIDELAY, VSC73XX_GMIIDELAY_GMII0_GTXDELAY_2_0_NS | VSC73XX_GMIIDELAY_GMII0_RXDELAY_2_0_NS); - /* Enable reception of frames on all ports */ - vsc73xx_write(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_RECVMASK, - 0x5f); /* IP multicast flood mask (table 144) */ vsc73xx_write(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_IFLODMSK, 0xff); @@ -841,9 +842,6 @@ static void vsc73xx_phylink_mac_link_up(struct dsa_switch *ds, int port, if (duplex == DUPLEX_FULL) val |= VSC73XX_MAC_CFG_FDX; - /* Enable port (forwarding) in the receieve mask */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, - VSC73XX_RECVMASK, BIT(port), BIT(port)); vsc73xx_adjust_enable_port(vsc, port, val); } @@ -1026,6 +1024,78 @@ static void vsc73xx_phylink_get_caps(struct dsa_switch *dsa, int port, config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 | MAC_1000; } +static void vsc73xx_refresh_fwd_map(struct dsa_switch *ds, int port, bool configure) +{ + struct dsa_port *dp = dsa_to_port(ds, port); + struct vsc73xx *vsc = ds->priv; + int i; + + if (configure) { + u16 mask = BIT(CPU_PORT); + + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_SRCMASKS + CPU_PORT, BIT(port), BIT(port)); + + if (dp->bridge) { + struct dsa_port *other_dp; + + dsa_switch_for_each_user_port(other_dp, ds) { + if (other_dp->bridge == dp->bridge && + other_dp->index != port && + other_dp->stp_state == BR_STATE_FORWARDING) { + int other_port = other_dp->index; + + mask |= BIT(other_port); + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_SRCMASKS + other_port, + BIT(port), BIT(port)); + } + } + } + + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_SRCMASKS + port, + VSC73XX_SRCMASKS_PORTS_MASK, mask); + } else { + for (i = 0; i < vsc->ds->num_ports; i++) { + if (i == port) + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_SRCMASKS + i, + VSC73XX_SRCMASKS_PORTS_MASK, 0); + else + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_SRCMASKS + i, BIT(port), 0); + } + } +} + +/* FIXME: STP frames aren't forwarded at this moment. BPDU frames are + * forwarded only from and to PI/SI interface. For more info see chapter + * 2.7.1 (CPU Forwarding) in datasheet. + * This function is required for tag8021q operations. + */ + +static void vsc73xx_port_stp_state_set(struct dsa_switch *ds, int port, u8 state) +{ + struct vsc73xx *vsc = ds->priv; + u32 val; + + val = (state == BR_STATE_BLOCKING || state == BR_STATE_DISABLED) ? + 0 : BIT(port); + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_RECVMASK, BIT(port), val); + + val = (state == BR_STATE_LEARNING || state == BR_STATE_FORWARDING) ? + BIT(port) : 0; + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_LEARNMASK, BIT(port), val); + + /* CPU Port should always forward packets when user ports are forwarding + * so let's configure it from other ports only. + */ + if (port != CPU_PORT) + vsc73xx_refresh_fwd_map(ds, port, state == BR_STATE_FORWARDING); +} + static const struct dsa_switch_ops vsc73xx_ds_ops = { .get_tag_protocol = vsc73xx_get_tag_protocol, .setup = vsc73xx_setup, @@ -1041,6 +1111,7 @@ static const struct dsa_switch_ops vsc73xx_ds_ops = { .port_disable = vsc73xx_port_disable, .port_change_mtu = vsc73xx_change_mtu, .port_max_mtu = vsc73xx_get_max_mtu, + .port_stp_state_set = vsc73xx_port_stp_state_set, .phylink_get_caps = vsc73xx_phylink_get_caps, };