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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m15-20020aa7c2cf000000b004ab4c6b22dfsi18116035edp.336.2023.02.21.01.41.56; Tue, 21 Feb 2023 01:42:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=gMUpSYZw; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233624AbjBUJZX (ORCPT + 99 others); Tue, 21 Feb 2023 04:25:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233933AbjBUJZS (ORCPT ); Tue, 21 Feb 2023 04:25:18 -0500 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B08624483; Tue, 21 Feb 2023 01:25:01 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 235F4C0013; Tue, 21 Feb 2023 09:24:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1676971499; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eGYKzuFmpRY1YTOUdj3DCQXT7u9J0lqvKoXvHWMd1So=; b=gMUpSYZw7rzrHNlojOK+W05+YcxBuna4BHIRe/OOSoStfcGyvl3OVoVCXwqNyQidARYBpc 4iKc5GUxs4/Ba+ijC4KlOdUzWh8KsPQ8Yg8J1QmUK3UilM+I+nNfie/tEK2XMjlCKsA85y OnMOD3EzysZWa/vBNDlIZAnQfyiOesJzHdf1LfBJc6AO/jZVJUro6a0rFjXJX/+JgpHrTU /9uloWbhoPlcXRqVKHgK/fo4EZzM3l3QjPyMWwoAA7RKrP0yZ3qeVMiVdvrSRERHDrEwvK AWAt0C44Y0UdwZkOPGCSJQe5Xw7oQ7lFrvWm+MwjcWVSJDG5aWszTilgqguQGg== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Arun Ramadoss , linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 1/3] net: dsa: rzn1-a5psw: use a5psw_reg_rmw() to modify flooding resolution Date: Tue, 21 Feb 2023 10:26:24 +0100 Message-Id: <20230221092626.57019-2-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230221092626.57019-1-clement.leger@bootlin.com> References: <20230221092626.57019-1-clement.leger@bootlin.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758433156699969071?= X-GMAIL-MSGID: =?utf-8?q?1758433156699969071?= .port_bridge_flags will be added and allows to modify the flood mask independently for each port. Keeping the existing bridged_ports write in a5psw_flooding_set_resolution() would potentially messed up this. Use a read-modify-write to set that value and move bridged_ports handling in bridge_port_join/leave. Signed-off-by: Clément Léger Reviewed-by: Florian Fainelli --- drivers/net/dsa/rzn1_a5psw.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c index 919027cf2012..7dcca15e0b11 100644 --- a/drivers/net/dsa/rzn1_a5psw.c +++ b/drivers/net/dsa/rzn1_a5psw.c @@ -299,13 +299,9 @@ static void a5psw_flooding_set_resolution(struct a5psw *a5psw, int port, A5PSW_MCAST_DEF_MASK}; int i; - if (set) - a5psw->bridged_ports |= BIT(port); - else - a5psw->bridged_ports &= ~BIT(port); - for (i = 0; i < ARRAY_SIZE(offsets); i++) - a5psw_reg_writel(a5psw, offsets[i], a5psw->bridged_ports); + a5psw_reg_rmw(a5psw, offsets[i], BIT(port), + set ? BIT(port) : 0); } static int a5psw_port_bridge_join(struct dsa_switch *ds, int port, @@ -326,6 +322,8 @@ static int a5psw_port_bridge_join(struct dsa_switch *ds, int port, a5psw_flooding_set_resolution(a5psw, port, true); a5psw_port_mgmtfwd_set(a5psw, port, false); + a5psw->bridged_ports |= BIT(port); + return 0; } @@ -334,6 +332,8 @@ static void a5psw_port_bridge_leave(struct dsa_switch *ds, int port, { struct a5psw *a5psw = ds->priv; + a5psw->bridged_ports &= ~BIT(port); + a5psw_flooding_set_resolution(a5psw, port, false); a5psw_port_mgmtfwd_set(a5psw, port, true); @@ -945,6 +945,8 @@ static int a5psw_probe(struct platform_device *pdev) if (IS_ERR(a5psw->base)) return PTR_ERR(a5psw->base); + a5psw->bridged_ports = BIT(A5PSW_CPU_PORT); + ret = a5psw_pcs_get(a5psw); if (ret) return ret; From patchwork Tue Feb 21 09:26:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 59826 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp1770740wrn; Tue, 21 Feb 2023 01:44:02 -0800 (PST) X-Google-Smtp-Source: AK7set8B91S/Py7SL4QrzXsUiCuBdNQbEeCzskm3OXIWxua2ycNQ74ZG22ndMrhb4WIFGTwUac1I X-Received: by 2002:a17:907:6e8f:b0:878:4d11:f868 with SMTP id sh15-20020a1709076e8f00b008784d11f868mr18227684ejc.2.1676972642455; Tue, 21 Feb 2023 01:44:02 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1676972642; cv=none; d=google.com; s=arc-20160816; b=W0lhfgPSBwS4/j46sWzRDNuS1fqThYV3WDgVeZ7ZnsGVYj84RQoHGPyXiLlJOL+0Pd +gPry56yulwhLQoD09mEE5SgdsaC6mE3eN7Pm1v7rWVp0LOcZp8Ehn3myw6vbZAZnm82 Y/b3INvHm/ToA8rHUe8qbHSawJEafuFLiUrrR7sUO4xoJ5CoNo+m3rnYcYu7u5sVGDTY Yz9qWwsVk4tDIlbRDue8n8YgxvlyGhFaefXdgYyzDAR4Rqno12bUQ5wsPpntN94q/3Y7 YiUTXTJNcrsbApJfMX3UQb/iRfAdfAaap+EHVkUt5w239IDenbbRMOlB+bvVs96abWz1 0lig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Ib/mOXHYH3Do6zNpWmBQIKneKPV3vlWtkcbraPhLrAg=; b=kV89aWiHYiaSN+Z9AYP2JIXkxzxUWBT498ChXsExu104x5+NUNkpacLrWgmbGgxKJ0 9EvqAR0hftk6+TJcIafsChGRZOXQuSNZZcWH12V3RdTrSptI1pb/hHVEwdvBfuV06nax tFPOWWDftA6QSOAUACNkcV6oRzEHJpK07bIcZ1+x/6jc64BREtrZRtVF5ap7qe5fhX2t ptQKpVqi18hu2NxbHNM8+wBeO9OE+gFTBakSAb/8d4Voo20dxMKPbfEZbvuScBBcSMHN bbWv0YsAUgJ0YoPkFIamKj/Xw5nQ0zK9nGiNsfBrnjS4jXLpWexzcZvQ5evrLBrlvKRP rPzA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=Pj2jAJUo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y8-20020a170906518800b008b17891459fsi18902168ejk.298.2023.02.21.01.43.39; Tue, 21 Feb 2023 01:44:02 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=Pj2jAJUo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233946AbjBUJZg (ORCPT + 99 others); Tue, 21 Feb 2023 04:25:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233949AbjBUJZb (ORCPT ); Tue, 21 Feb 2023 04:25:31 -0500 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::226]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B39A51CF54; Tue, 21 Feb 2023 01:25:05 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 10D27C0002; Tue, 21 Feb 2023 09:24:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1676971504; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ib/mOXHYH3Do6zNpWmBQIKneKPV3vlWtkcbraPhLrAg=; b=Pj2jAJUo2YXxLUY4UscS/z4J7Z4XFxK0ep8G397cJWLT/rfcDaeskbeisNyyPFvkAt+7Td kWJrVHI8iMB7YO02U5yey5b/WiigxF9gs4p/zzoASvXiQYAYExBlme6Ac3SOMaHXDwJqsJ R3OxQi5Qs5MURLUMFUYsPFh+Hi8ri13r78+z3KbhHPolqBJChbH/sR+n4Y6L9n9gww8GnU Mk5sl9HN4FDspuBjF+c5CVZaqqNiqCICMoaWBmIVUWo1QT2GAVjCBO0+zRUpNU6J5hrQIx XhXOlHp1Bl7E9NFPYzhOs65J5Jx3PqDDKM48LQFbAEvX1QEQShKjk4zYXBKWYw== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Arun Ramadoss , linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 2/3] net: dsa: rzn1-a5psw: add support for .port_bridge_flags Date: Tue, 21 Feb 2023 10:26:25 +0100 Message-Id: <20230221092626.57019-3-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230221092626.57019-1-clement.leger@bootlin.com> References: <20230221092626.57019-1-clement.leger@bootlin.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758433265797624193?= X-GMAIL-MSGID: =?utf-8?q?1758433265797624193?= When running vlan test (bridge_vlan_aware/unaware.sh), there were some failure due to the lack .port_bridge_flag function to disable port flooding. Implement this operation for BR_LEARNING, BR_FLOOD, BR_MCAST_FLOOD and BR_BCAST_FLOOD. Signed-off-by: Clément Léger Reviewed-by: Florian Fainelli --- drivers/net/dsa/rzn1_a5psw.c | 45 ++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c index 7dcca15e0b11..5059b2814cdd 100644 --- a/drivers/net/dsa/rzn1_a5psw.c +++ b/drivers/net/dsa/rzn1_a5psw.c @@ -342,6 +342,49 @@ static void a5psw_port_bridge_leave(struct dsa_switch *ds, int port, a5psw->br_dev = NULL; } +static int a5psw_port_pre_bridge_flags(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack) +{ + if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | + BR_BCAST_FLOOD)) + return -EINVAL; + + return 0; +} + +static int +a5psw_port_bridge_flags(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack) +{ + struct a5psw *a5psw = ds->priv; + u32 val; + + if (flags.mask & BR_LEARNING) { + val = flags.val & BR_LEARNING ? 0 : A5PSW_INPUT_LEARN_DIS(port); + a5psw_reg_rmw(a5psw, A5PSW_INPUT_LEARN, + A5PSW_INPUT_LEARN_DIS(port), val); + } + + if (flags.mask & BR_FLOOD) { + val = flags.val & BR_FLOOD ? BIT(port) : 0; + a5psw_reg_rmw(a5psw, A5PSW_UCAST_DEF_MASK, BIT(port), val); + } + + if (flags.mask & BR_MCAST_FLOOD) { + val = flags.val & BR_MCAST_FLOOD ? BIT(port) : 0; + a5psw_reg_rmw(a5psw, A5PSW_MCAST_DEF_MASK, BIT(port), val); + } + + if (flags.mask & BR_BCAST_FLOOD) { + val = flags.val & BR_BCAST_FLOOD ? BIT(port) : 0; + a5psw_reg_rmw(a5psw, A5PSW_BCAST_DEF_MASK, BIT(port), val); + } + + return 0; +} + static void a5psw_port_stp_state_set(struct dsa_switch *ds, int port, u8 state) { u32 mask = A5PSW_INPUT_LEARN_DIS(port) | A5PSW_INPUT_LEARN_BLOCK(port); @@ -754,6 +797,8 @@ static const struct dsa_switch_ops a5psw_switch_ops = { .set_ageing_time = a5psw_set_ageing_time, .port_bridge_join = a5psw_port_bridge_join, .port_bridge_leave = a5psw_port_bridge_leave, + .port_pre_bridge_flags = a5psw_port_pre_bridge_flags, + .port_bridge_flags = a5psw_port_bridge_flags, .port_stp_state_set = a5psw_port_stp_state_set, .port_fast_age = a5psw_port_fast_age, .port_fdb_add = a5psw_port_fdb_add, From patchwork Tue Feb 21 09:26:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 59823 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp1770373wrn; Tue, 21 Feb 2023 01:43:00 -0800 (PST) X-Google-Smtp-Source: AK7set8azpgmOi+Um3BwEeW7DS3cVRSgQ32oS7TyLKg+M5k6SptslE0UTwG0AMI9tV7TTQNTgeKz X-Received: by 2002:a17:907:7f1f:b0:888:7ac8:c0f4 with SMTP id qf31-20020a1709077f1f00b008887ac8c0f4mr15712855ejc.25.1676972580355; Tue, 21 Feb 2023 01:43:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1676972580; cv=none; d=google.com; s=arc-20160816; b=Qc9nfn/u3tTU3jHek+0AeQqr9+VrOKrlB0Q9bjqFe79WoByBRAmzzd5NvwASInUMSj l9t2BYyYTlIwo67/J7MTowP7BKTjTcZXWpn3mLIl/UF6O7GNtIPVP1r4u9bg4cSN7bfW qyQ1drFPw471Fi+w3BsAAjoP+Nmrpw+0L3WBdlBojoPEeFVX5N29iazeEqKDa4QuT1ar CrJb0m9LIU70qaIq5LGGzUehhAsYN3587C2Xuow7HmuvUXp8ykhCFIKMCrkbn1M6cSPB eyuUNB1u+BveKfyqgdcj8fG/VD8BUvLQ6V9+VXtzoQNJrwWkBHBs5hLY7hv7mhEdPPmr gVIQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=j90yhV+x+elKOsWBRA3Lnw3dkuBFcUHDxfTXDFjhB3k=; b=qpY9JZbtNf8t2LMWCEQwqAFwgPCP++zoBY9ure+7byEnaWl6mTnj+ecXaSkE3c42Dy olkdKobh0d0kclGFIcVGWFDMp+mpjOAvVUPiomXOlIKGMifRNyDXBRHqFDWFvaOFHeAZ KCT48z3IZ3twLLg2LJ2vY65vrVDUgik/m1j5RciL3zKJgsSsAiJrmUrIOvBWcxkz+ZYM rIzqLGNFsIY+5LiMGf6zhnK4/0znZGM1Ci6hKqBzDctNoA6k8IW6DiOB2DeomDNQHpZa MLtd/udTC6xZ6ywH0xkhwrKVJ6UPOjVX9uFFBYzSpMlRpfnwahQoriZ44Iap7iX7i9uG ATig== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=DTqIqNA7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id fd4-20020a1709072a0400b008dbb5a2ea5fsi3066494ejc.644.2023.02.21.01.42.37; Tue, 21 Feb 2023 01:43:00 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=DTqIqNA7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233960AbjBUJZj (ORCPT + 99 others); Tue, 21 Feb 2023 04:25:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233976AbjBUJZd (ORCPT ); Tue, 21 Feb 2023 04:25:33 -0500 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::226]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0B851E2AD; Tue, 21 Feb 2023 01:25:10 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 9FB05C0018; Tue, 21 Feb 2023 09:25:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1676971509; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=j90yhV+x+elKOsWBRA3Lnw3dkuBFcUHDxfTXDFjhB3k=; b=DTqIqNA7bNlIaGhoD1AC87HAvTrTaRZljw1H9Br5H8eLtu8FVNI8/7JYxbRzqNThXnuwA8 pzZfTd6TkVO3MGiOkjih9cL+wxsdqeEG/pIUk4CXHb8eJcMGMqzPBSJLRXXZP/Yjqe5fU7 25PQy8aMU9QRDYf0hnJtw6ID5j9IQVi2D+vYUmRp6MFZkjzlzNPRMuGgJBceA/AJxcswwI oi3mivTNMFW86o1XozCceYhuCXl+S1a1xhtUi5WjG6tkp4XJ/iOXkfVIwXG30aMupQ139y hNfGmbU+e1SNdPamEVhJB3lFOdA6+JjtTkPepjDuQ261v05ydk9ZmksbX2ZY3Q== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Arun Ramadoss , linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 3/3] net: dsa: rzn1-a5psw: add vlan support Date: Tue, 21 Feb 2023 10:26:26 +0100 Message-Id: <20230221092626.57019-4-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230221092626.57019-1-clement.leger@bootlin.com> References: <20230221092626.57019-1-clement.leger@bootlin.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758433200305512275?= X-GMAIL-MSGID: =?utf-8?q?1758433200305512275?= Add support for vlan operation (add, del, filtering) on the RZN1 driver. The a5psw switch supports up to 32 VLAN IDs with filtering, tagged/untagged VLANs and PVID for each ports. Signed-off-by: Clément Léger --- drivers/net/dsa/rzn1_a5psw.c | 164 +++++++++++++++++++++++++++++++++++ drivers/net/dsa/rzn1_a5psw.h | 8 +- 2 files changed, 169 insertions(+), 3 deletions(-) diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c index 5059b2814cdd..a9a42a8bc7e3 100644 --- a/drivers/net/dsa/rzn1_a5psw.c +++ b/drivers/net/dsa/rzn1_a5psw.c @@ -583,6 +583,144 @@ static int a5psw_port_fdb_dump(struct dsa_switch *ds, int port, return ret; } +static int a5psw_port_vlan_filtering(struct dsa_switch *ds, int port, + bool vlan_filtering, + struct netlink_ext_ack *extack) +{ + u32 mask = BIT(port + A5PSW_VLAN_VERI_SHIFT) | + BIT(port + A5PSW_VLAN_DISC_SHIFT); + u32 val = vlan_filtering ? mask : 0; + struct a5psw *a5psw = ds->priv; + + a5psw_reg_rmw(a5psw, A5PSW_VLAN_VERIFY, mask, val); + + return 0; +} + +static int a5psw_find_vlan_entry(struct a5psw *a5psw, u16 vid) +{ + u32 vlan_res; + int i; + + /* Find vlan for this port */ + for (i = 0; i < A5PSW_VLAN_COUNT; i++) { + vlan_res = a5psw_reg_readl(a5psw, A5PSW_VLAN_RES(i)); + if (FIELD_GET(A5PSW_VLAN_RES_VLANID, vlan_res) == vid) + return i; + } + + return -1; +} + +static int a5psw_new_vlan_res_entry(struct a5psw *a5psw, u16 newvid) +{ + u32 vlan_res; + int i; + + /* Find a free VLAN entry */ + for (i = 0; i < A5PSW_VLAN_COUNT; i++) { + vlan_res = a5psw_reg_readl(a5psw, A5PSW_VLAN_RES(i)); + if (!(FIELD_GET(A5PSW_VLAN_RES_PORTMASK, vlan_res))) { + vlan_res = FIELD_PREP(A5PSW_VLAN_RES_VLANID, newvid); + a5psw_reg_writel(a5psw, A5PSW_VLAN_RES(i), vlan_res); + return i; + } + } + + return -1; +} + +static void a5psw_port_vlan_tagged_cfg(struct a5psw *a5psw, + unsigned int vlan_res_id, int port, + bool set) +{ + u32 mask = A5PSW_VLAN_RES_WR_PORTMASK | A5PSW_VLAN_RES_RD_TAGMASK | + BIT(port); + u32 vlan_res_off = A5PSW_VLAN_RES(vlan_res_id); + u32 val = A5PSW_VLAN_RES_WR_TAGMASK, reg; + + if (set) + val |= BIT(port); + + /* Toggle tag mask read */ + a5psw_reg_writel(a5psw, vlan_res_off, A5PSW_VLAN_RES_RD_TAGMASK); + reg = a5psw_reg_readl(a5psw, vlan_res_off); + a5psw_reg_writel(a5psw, vlan_res_off, A5PSW_VLAN_RES_RD_TAGMASK); + + reg &= ~mask; + reg |= val; + a5psw_reg_writel(a5psw, vlan_res_off, reg); +} + +static void a5psw_port_vlan_cfg(struct a5psw *a5psw, unsigned int vlan_res_id, + int port, bool set) +{ + u32 mask = A5PSW_VLAN_RES_WR_TAGMASK | BIT(port); + u32 reg = A5PSW_VLAN_RES_WR_PORTMASK; + + if (set) + reg |= BIT(port); + + a5psw_reg_rmw(a5psw, A5PSW_VLAN_RES(vlan_res_id), mask, reg); +} + +static int a5psw_port_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack) +{ + bool tagged = !(vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED); + bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; + struct a5psw *a5psw = ds->priv; + u16 vid = vlan->vid; + int vlan_res_id; + + dev_dbg(a5psw->dev, "Add VLAN %d on port %d, %s, %s\n", + vid, port, tagged ? "tagged" : "untagged", + pvid ? "PVID" : "no PVID"); + + vlan_res_id = a5psw_find_vlan_entry(a5psw, vid); + if (vlan_res_id < 0) { + vlan_res_id = a5psw_new_vlan_res_entry(a5psw, vid); + if (vlan_res_id < 0) + return -ENOSPC; + } + + a5psw_port_vlan_cfg(a5psw, vlan_res_id, port, true); + if (tagged) + a5psw_port_vlan_tagged_cfg(a5psw, vlan_res_id, port, true); + + if (pvid) { + a5psw_reg_rmw(a5psw, A5PSW_VLAN_IN_MODE_ENA, BIT(port), + BIT(port)); + a5psw_reg_writel(a5psw, A5PSW_SYSTEM_TAGINFO(port), vid); + } + + return 0; +} + +static int a5psw_port_vlan_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan) +{ + struct a5psw *a5psw = ds->priv; + u16 vid = vlan->vid; + int vlan_res_id; + + dev_dbg(a5psw->dev, "Removing VLAN %d on port %d\n", vid, port); + + vlan_res_id = a5psw_find_vlan_entry(a5psw, vid); + if (vlan_res_id < 0) + return -EINVAL; + + a5psw_port_vlan_cfg(a5psw, vlan_res_id, port, false); + a5psw_port_vlan_tagged_cfg(a5psw, vlan_res_id, port, false); + + /* Disable PVID if the vid is matching the port one */ + if (vid == a5psw_reg_readl(a5psw, A5PSW_SYSTEM_TAGINFO(port))) + a5psw_reg_rmw(a5psw, A5PSW_VLAN_IN_MODE_ENA, BIT(port), 0); + + return 0; +} + static u64 a5psw_read_stat(struct a5psw *a5psw, u32 offset, int port) { u32 reg_lo, reg_hi; @@ -700,6 +838,27 @@ static void a5psw_get_eth_ctrl_stats(struct dsa_switch *ds, int port, ctrl_stats->MACControlFramesReceived = stat; } +static void a5psw_vlan_setup(struct a5psw *a5psw, int port) +{ + u32 reg; + + /* Enable TAG always mode for the port, this is actually controlled + * by VLAN_IN_MODE_ENA field which will be used for PVID insertion + */ + reg = A5PSW_VLAN_IN_MODE_TAG_ALWAYS; + reg <<= A5PSW_VLAN_IN_MODE_PORT_SHIFT(port); + a5psw_reg_rmw(a5psw, A5PSW_VLAN_IN_MODE, A5PSW_VLAN_IN_MODE_PORT(port), + reg); + + /* Set transparent mode for output frame manipulation, this will depend + * on the VLAN_RES configuration mode + */ + reg = A5PSW_VLAN_OUT_MODE_TRANSPARENT; + reg <<= A5PSW_VLAN_OUT_MODE_PORT_SHIFT(port); + a5psw_reg_rmw(a5psw, A5PSW_VLAN_OUT_MODE, + A5PSW_VLAN_OUT_MODE_PORT(port), reg); +} + static int a5psw_setup(struct dsa_switch *ds) { struct a5psw *a5psw = ds->priv; @@ -772,6 +931,8 @@ static int a5psw_setup(struct dsa_switch *ds) /* Enable management forward only for user ports */ if (dsa_port_is_user(dp)) a5psw_port_mgmtfwd_set(a5psw, port, true); + + a5psw_vlan_setup(a5psw, port); } return 0; @@ -801,6 +962,9 @@ static const struct dsa_switch_ops a5psw_switch_ops = { .port_bridge_flags = a5psw_port_bridge_flags, .port_stp_state_set = a5psw_port_stp_state_set, .port_fast_age = a5psw_port_fast_age, + .port_vlan_filtering = a5psw_port_vlan_filtering, + .port_vlan_add = a5psw_port_vlan_add, + .port_vlan_del = a5psw_port_vlan_del, .port_fdb_add = a5psw_port_fdb_add, .port_fdb_del = a5psw_port_fdb_del, .port_fdb_dump = a5psw_port_fdb_dump, diff --git a/drivers/net/dsa/rzn1_a5psw.h b/drivers/net/dsa/rzn1_a5psw.h index c67abd49c013..2bad2e3edc2a 100644 --- a/drivers/net/dsa/rzn1_a5psw.h +++ b/drivers/net/dsa/rzn1_a5psw.h @@ -50,7 +50,9 @@ #define A5PSW_VLAN_IN_MODE_TAG_ALWAYS 0x2 #define A5PSW_VLAN_OUT_MODE 0x2C -#define A5PSW_VLAN_OUT_MODE_PORT(port) (GENMASK(1, 0) << ((port) * 2)) +#define A5PSW_VLAN_OUT_MODE_PORT_SHIFT(port) ((port) * 2) +#define A5PSW_VLAN_OUT_MODE_PORT(port) (GENMASK(1, 0) << \ + A5PSW_VLAN_OUT_MODE_PORT_SHIFT(port)) #define A5PSW_VLAN_OUT_MODE_DIS 0x0 #define A5PSW_VLAN_OUT_MODE_STRIP 0x1 #define A5PSW_VLAN_OUT_MODE_TAG_THROUGH 0x2 @@ -59,7 +61,7 @@ #define A5PSW_VLAN_IN_MODE_ENA 0x30 #define A5PSW_VLAN_TAG_ID 0x34 -#define A5PSW_SYSTEM_TAGINFO(port) (0x200 + A5PSW_PORT_OFFSET(port)) +#define A5PSW_SYSTEM_TAGINFO(port) (0x200 + 4 * (port)) #define A5PSW_AUTH_PORT(port) (0x240 + 4 * (port)) #define A5PSW_AUTH_PORT_AUTHORIZED BIT(0) @@ -68,7 +70,7 @@ #define A5PSW_VLAN_RES_WR_PORTMASK BIT(30) #define A5PSW_VLAN_RES_WR_TAGMASK BIT(29) #define A5PSW_VLAN_RES_RD_TAGMASK BIT(28) -#define A5PSW_VLAN_RES_ID GENMASK(16, 5) +#define A5PSW_VLAN_RES_VLANID GENMASK(16, 5) #define A5PSW_VLAN_RES_PORTMASK GENMASK(4, 0) #define A5PSW_RXMATCH_CONFIG(port) (0x3e80 + 4 * (port))