From patchwork Tue Sep 1 19:08:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 1355328 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=DUoBC24H; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BgxTX0D75z9sTg for ; Wed, 2 Sep 2020 05:09:52 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731634AbgIATJr (ORCPT ); Tue, 1 Sep 2020 15:09:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726107AbgIATJo (ORCPT ); Tue, 1 Sep 2020 15:09:44 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0F89C061244 for ; Tue, 1 Sep 2020 12:09:43 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id s205so2882328lja.7 for ; Tue, 01 Sep 2020 12:09:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=id0mJz9CTwcZW+yxfbEEsDFsQOXvdONt8oYCbKFSTvs=; b=DUoBC24HALG+kr5oX0JldkWc+SYqQ++h064lEMN3h6dY6nTq5fZi81kS7Mm/RSivJC zESWeGusMOaGCG+bsZeTe45UaXFza8F/umkuzq/r2hmf0xTU8l1yfpfwKYWIN/vqyge/ MZ/psTEy1LwWFsb3NVagUFBAW6veY1bHzbcWDYOoUx2KtvlNeQwuinAPrnCEJ7tEZM3B TSIpydJYihLA6yAScP0edjRlyDM7qH32frLga/pcEK9cNLPA90b29xd/6swwUyFccXLY f/fVBjQRZBdyJk5nRLoBr8y/cfFbLMQWm1RAdqMaGuPB1qjX+1AmklBGyePzqHrWDa6O 591w== 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:mime-version:content-transfer-encoding; bh=id0mJz9CTwcZW+yxfbEEsDFsQOXvdONt8oYCbKFSTvs=; b=G1Q/VleD4eSgX8q+nrbx3j/+lNZpuqp0e5XGjvBzIB7kaSiKTklc7UfyXNJbgLLRIQ ipJKIHyaJjtAhiD5F2zomMC8U98TSVu/h6N/9AVlbxhlh1VukSLkBdSzJ/ey72UScKfi l5XqhSHwYKykjvqLDhdriSkM8JwEiYjAlWsngQzWewoOWmOzhiRFlbU9sTsQ1/8KyVYF Xz3RSKpk2q+t7aG8QcSoc3GoBUBd4RIKT/byRbeJoUxEZ0ByLCO9gQ3jFrSCmPqWvzsw 1qPZUBTRLGPjM0ju79b8kpqHhl2qp+PpR06ijNpQsywjavYuc/Lul9LvPEU/Da85Ay2F 09Fg== X-Gm-Message-State: AOAM531dgfnKy7gzYKUXdQnt+j9nUt/iYGRXes2PVmIHij6fmI2OXhm0 LIpfdddMLZWNlMdROxoaf2WOLQ== X-Google-Smtp-Source: ABdhPJx2iaDfn3JADpM57vSzoQyYobo9XNhxxuyNUZLUVxpkErbuyBq7YEfe3WFfmGGdbvO4mMZ9lw== X-Received: by 2002:a05:651c:554:: with SMTP id q20mr1424649ljp.348.1598987382121; Tue, 01 Sep 2020 12:09:42 -0700 (PDT) Received: from localhost.bredbandsbolaget (c-92d7225c.014-348-6c756e10.bbcust.telenor.se. [92.34.215.146]) by smtp.gmail.com with ESMTPSA id j12sm256945lfj.5.2020.09.01.12.09.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2020 12:09:41 -0700 (PDT) From: Linus Walleij To: Andrew Lunn , Vivien Didelot , Florian Fainelli , netdev@vger.kernel.org, "David S . Miller" Cc: Linus Walleij Subject: [net-next PATCH 1/2 v2] net: dsa: rtl8366: Check validity of passed VLANs Date: Tue, 1 Sep 2020 21:08:53 +0200 Message-Id: <20200901190854.15528-2-linus.walleij@linaro.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200901190854.15528-1-linus.walleij@linaro.org> References: <20200901190854.15528-1-linus.walleij@linaro.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The rtl8366_set_vlan() and rtl8366_set_pvid() get invalid VLANs tossed at it, especially VLAN0, something the hardware and driver cannot handle. Check validity and bail out like we do in the other callbacks. Signed-off-by: Linus Walleij Reviewed-by: Florian Fainelli --- ChangeLog v1->v2: - Resending with the other patch. --- drivers/net/dsa/rtl8366.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c index 8f40fbf70a82..7c34c991c834 100644 --- a/drivers/net/dsa/rtl8366.c +++ b/drivers/net/dsa/rtl8366.c @@ -43,6 +43,9 @@ int rtl8366_set_vlan(struct realtek_smi *smi, int vid, u32 member, int ret; int i; + if (!smi->ops->is_vlan_valid(smi, vid)) + return -EINVAL; + dev_dbg(smi->dev, "setting VLAN%d 4k members: 0x%02x, untagged: 0x%02x\n", vid, member, untag); @@ -118,6 +121,9 @@ int rtl8366_set_pvid(struct realtek_smi *smi, unsigned int port, int ret; int i; + if (!smi->ops->is_vlan_valid(smi, vid)) + return -EINVAL; + /* Try to find an existing MC entry for this VID */ for (i = 0; i < smi->num_vlan_mc; i++) { ret = smi->ops->get_vlan_mc(smi, i, &vlanmc); From patchwork Tue Sep 1 19:08:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 1355327 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=rkdacLFR; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BgxTS3DmXz9sTg for ; Wed, 2 Sep 2020 05:09:48 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731735AbgIATJr (ORCPT ); Tue, 1 Sep 2020 15:09:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726521AbgIATJr (ORCPT ); Tue, 1 Sep 2020 15:09:47 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 496C1C061245 for ; Tue, 1 Sep 2020 12:09:46 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id h19so2862907ljg.13 for ; Tue, 01 Sep 2020 12:09:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vHhizYdTeNb/qWfCCwV/v8wkNZrkvTxq6jmoyJ/pHEM=; b=rkdacLFRMi9mKQrElMP05dkjpdMq7c5vjyyRjynDFYIhTPRqP9HzMqoBg/K9zdei+9 pY/fqUkFejgeHTvBRubVo9a9QqpqV+A+OahOVjjPiJrF+RDImTsfnpaueuSM5pgRK7qq ytb78Feij9+/hrv5gnCnRLx5Sz19DtR5u29WqEOKg3pSdHII9CkmF3Lry7x9mNj6Jtwy RLaSv7GkLjMehn1IlVQE8gRfKdJt/UBYafddQH2VuGJkXlN7bU/sUlbighOFDi2nNBdA 6b4icn7sBUg3LWg5d60s6yZ0u7BIyBuJLEyvJKfwW9Ttmk1rpraDnyuOxAzO39u4b4AZ Ucgw== 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:mime-version:content-transfer-encoding; bh=vHhizYdTeNb/qWfCCwV/v8wkNZrkvTxq6jmoyJ/pHEM=; b=YxrSE7Mx6pbD07oNpX27qLEhd/Jm9AX7EhKUI+YfwxrPpfnqIPtFYRC6hNaNVBytwZ FMri9QdtxLSUju4vgmOAHhKJpX2MBiRCZz00XN6SboSM9w7lkVBNiNu55zHQpsDEdtDr UFwLwiS1Ko/UqZffz7VbLg4VUcN97U+Uct1Z3KXW5hF/1BIoKla8V+0NNjPWrdpOjxBW 7/A4enLFb0oBl1ogmJsV4HEg4xcTeyjH3FxcGfo8YVR/xEAzJOyhSLICbk/8IILr8yhi 1zv0ZTE3WyCHcf/wvnzy/FN4yq/pHinwBw4qgd8lPP7yppOWGyWoISFdqZ1LJf/2KY91 5kBw== X-Gm-Message-State: AOAM531qRyrlKV2RhLmeAEiYOmCJ+zhHFdIH/q4jNl0Uj+YAhrN0BWcA 9NXE1qTR4v44EBAheR8dOgsaDA== X-Google-Smtp-Source: ABdhPJyenirTe9aoukNiZl/n/xt+sbgBncrlyPRjpymVMFMzc276EZDOwoYm8cFWbL90jnU2zFwRDA== X-Received: by 2002:a2e:7a04:: with SMTP id v4mr1418082ljc.128.1598987384470; Tue, 01 Sep 2020 12:09:44 -0700 (PDT) Received: from localhost.bredbandsbolaget (c-92d7225c.014-348-6c756e10.bbcust.telenor.se. [92.34.215.146]) by smtp.gmail.com with ESMTPSA id j12sm256945lfj.5.2020.09.01.12.09.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2020 12:09:43 -0700 (PDT) From: Linus Walleij To: Andrew Lunn , Vivien Didelot , Florian Fainelli , netdev@vger.kernel.org, "David S . Miller" Cc: Linus Walleij Subject: [net-next PATCH 2/2 v2] net: dsa: rtl8366: Refactor VLAN/PVID init Date: Tue, 1 Sep 2020 21:08:54 +0200 Message-Id: <20200901190854.15528-3-linus.walleij@linaro.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200901190854.15528-1-linus.walleij@linaro.org> References: <20200901190854.15528-1-linus.walleij@linaro.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The VLANs and PVIDs on the RTL8366 utilizes a "member configuration" (MC) which is largely unexplained in the code. This set-up requires a special ordering: rtl8366_set_pvid() must be called first, followed by rtl8366_set_vlan(), else the MC will not be properly allocated. Relax this by factoring out the code obtaining an MC and reuse the helper in both rtl8366_set_pvid() and rtl8366_set_vlan() so we remove this strict ordering requirement. In the process, add some better comments and debug prints so people who read the code understand what is going on. Signed-off-by: Linus Walleij Reviewed-by: Florian Fainelli --- ChangeLog v1->v2: - Return a valid mc index from rtl8366_obtain_mc() instead passing a pointer to assign. - Return -ENOSPC when out of member configs. - Print decimal VLAN number instead of hex. - Rename local variables from "index" to "mc" so as to match usage. --- drivers/net/dsa/realtek-smi-core.h | 4 +- drivers/net/dsa/rtl8366.c | 273 +++++++++++++++-------------- 2 files changed, 146 insertions(+), 131 deletions(-) diff --git a/drivers/net/dsa/realtek-smi-core.h b/drivers/net/dsa/realtek-smi-core.h index 9a63b51e1d82..6f2dab7e33d6 100644 --- a/drivers/net/dsa/realtek-smi-core.h +++ b/drivers/net/dsa/realtek-smi-core.h @@ -25,6 +25,9 @@ struct rtl8366_mib_counter { const char *name; }; +/** + * struct rtl8366_vlan_mc - Virtual LAN member configuration + */ struct rtl8366_vlan_mc { u16 vid; u16 untag; @@ -119,7 +122,6 @@ int realtek_smi_setup_mdio(struct realtek_smi *smi); int rtl8366_mc_is_used(struct realtek_smi *smi, int mc_index, int *used); int rtl8366_set_vlan(struct realtek_smi *smi, int vid, u32 member, u32 untag, u32 fid); -int rtl8366_get_pvid(struct realtek_smi *smi, int port, int *val); int rtl8366_set_pvid(struct realtek_smi *smi, unsigned int port, unsigned int vid); int rtl8366_enable_vlan4k(struct realtek_smi *smi, bool enable); diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c index 7c34c991c834..54237d76c629 100644 --- a/drivers/net/dsa/rtl8366.c +++ b/drivers/net/dsa/rtl8366.c @@ -36,12 +36,110 @@ int rtl8366_mc_is_used(struct realtek_smi *smi, int mc_index, int *used) } EXPORT_SYMBOL_GPL(rtl8366_mc_is_used); +/** + * rtl8366_obtain_mc() - retrieve or allocate a VLAN member configuration + * @smi: the Realtek SMI device instance + * @vid: the VLAN ID to look up or allocate + * @vlanmc: the pointer will be assigned to a pointer to a valid member config + * if successful + * @return: index of a new member config or negative error number + */ +static int rtl8366_obtain_mc(struct realtek_smi *smi, int vid, + struct rtl8366_vlan_mc *vlanmc) +{ + struct rtl8366_vlan_4k vlan4k; + int ret; + int i; + + /* Try to find an existing member config entry for this VID */ + for (i = 0; i < smi->num_vlan_mc; i++) { + ret = smi->ops->get_vlan_mc(smi, i, vlanmc); + if (ret) { + dev_err(smi->dev, "error searching for VLAN MC %d for VID %d\n", + i, vid); + return ret; + } + + if (vid == vlanmc->vid) + return i; + } + + /* We have no MC entry for this VID, try to find an empty one */ + for (i = 0; i < smi->num_vlan_mc; i++) { + ret = smi->ops->get_vlan_mc(smi, i, vlanmc); + if (ret) { + dev_err(smi->dev, "error searching for VLAN MC %d for VID %d\n", + i, vid); + return ret; + } + + if (vlanmc->vid == 0 && vlanmc->member == 0) { + /* Update the entry from the 4K table */ + ret = smi->ops->get_vlan_4k(smi, vid, &vlan4k); + if (ret) { + dev_err(smi->dev, "error looking for 4K VLAN MC %d for VID %d\n", + i, vid); + return ret; + } + + vlanmc->vid = vid; + vlanmc->member = vlan4k.member; + vlanmc->untag = vlan4k.untag; + vlanmc->fid = vlan4k.fid; + ret = smi->ops->set_vlan_mc(smi, i, vlanmc); + if (ret) { + dev_err(smi->dev, "unable to set/update VLAN MC %d for VID %d\n", + i, vid); + return ret; + } + + dev_dbg(smi->dev, "created new MC at index %d for VID %d\n", + i, vid); + return i; + } + } + + /* MC table is full, try to find an unused entry and replace it */ + for (i = 0; i < smi->num_vlan_mc; i++) { + int used; + + ret = rtl8366_mc_is_used(smi, i, &used); + if (ret) + return ret; + + if (!used) { + /* Update the entry from the 4K table */ + ret = smi->ops->get_vlan_4k(smi, vid, &vlan4k); + if (ret) + return ret; + + vlanmc->vid = vid; + vlanmc->member = vlan4k.member; + vlanmc->untag = vlan4k.untag; + vlanmc->fid = vlan4k.fid; + ret = smi->ops->set_vlan_mc(smi, i, vlanmc); + if (ret) { + dev_err(smi->dev, "unable to set/update VLAN MC %d for VID %d\n", + i, vid); + return ret; + } + dev_dbg(smi->dev, "recycled MC at index %i for VID %d\n", + i, vid); + return i; + } + } + + dev_err(smi->dev, "all VLAN member configurations are in use\n"); + return -ENOSPC; +} + int rtl8366_set_vlan(struct realtek_smi *smi, int vid, u32 member, u32 untag, u32 fid) { + struct rtl8366_vlan_mc vlanmc; struct rtl8366_vlan_4k vlan4k; + int mc; int ret; - int i; if (!smi->ops->is_vlan_valid(smi, vid)) return -EINVAL; @@ -66,136 +164,58 @@ int rtl8366_set_vlan(struct realtek_smi *smi, int vid, u32 member, "resulting VLAN%d 4k members: 0x%02x, untagged: 0x%02x\n", vid, vlan4k.member, vlan4k.untag); - /* Try to find an existing MC entry for this VID */ - for (i = 0; i < smi->num_vlan_mc; i++) { - struct rtl8366_vlan_mc vlanmc; - - ret = smi->ops->get_vlan_mc(smi, i, &vlanmc); - if (ret) - return ret; - - if (vid == vlanmc.vid) { - /* update the MC entry */ - vlanmc.member |= member; - vlanmc.untag |= untag; - vlanmc.fid = fid; - - ret = smi->ops->set_vlan_mc(smi, i, &vlanmc); + /* Find or allocate a member config for this VID */ + ret = rtl8366_obtain_mc(smi, vid, &vlanmc); + if (ret < 0) + return ret; + mc = ret; - dev_dbg(smi->dev, - "resulting VLAN%d MC members: 0x%02x, untagged: 0x%02x\n", - vid, vlanmc.member, vlanmc.untag); + /* Update the MC entry */ + vlanmc.member |= member; + vlanmc.untag |= untag; + vlanmc.fid = fid; - break; - } - } + /* Commit updates to the MC entry */ + ret = smi->ops->set_vlan_mc(smi, mc, &vlanmc); + if (ret) + dev_err(smi->dev, "failed to commit changes to VLAN MC index %d for VID %d\n", + mc, vid); + else + dev_dbg(smi->dev, + "resulting VLAN%d MC members: 0x%02x, untagged: 0x%02x\n", + vid, vlanmc.member, vlanmc.untag); return ret; } EXPORT_SYMBOL_GPL(rtl8366_set_vlan); -int rtl8366_get_pvid(struct realtek_smi *smi, int port, int *val) -{ - struct rtl8366_vlan_mc vlanmc; - int ret; - int index; - - ret = smi->ops->get_mc_index(smi, port, &index); - if (ret) - return ret; - - ret = smi->ops->get_vlan_mc(smi, index, &vlanmc); - if (ret) - return ret; - - *val = vlanmc.vid; - return 0; -} -EXPORT_SYMBOL_GPL(rtl8366_get_pvid); - int rtl8366_set_pvid(struct realtek_smi *smi, unsigned int port, unsigned int vid) { struct rtl8366_vlan_mc vlanmc; - struct rtl8366_vlan_4k vlan4k; + int mc; int ret; - int i; if (!smi->ops->is_vlan_valid(smi, vid)) return -EINVAL; - /* Try to find an existing MC entry for this VID */ - for (i = 0; i < smi->num_vlan_mc; i++) { - ret = smi->ops->get_vlan_mc(smi, i, &vlanmc); - if (ret) - return ret; - - if (vid == vlanmc.vid) { - ret = smi->ops->set_vlan_mc(smi, i, &vlanmc); - if (ret) - return ret; - - ret = smi->ops->set_mc_index(smi, port, i); - return ret; - } - } - - /* We have no MC entry for this VID, try to find an empty one */ - for (i = 0; i < smi->num_vlan_mc; i++) { - ret = smi->ops->get_vlan_mc(smi, i, &vlanmc); - if (ret) - return ret; - - if (vlanmc.vid == 0 && vlanmc.member == 0) { - /* Update the entry from the 4K table */ - ret = smi->ops->get_vlan_4k(smi, vid, &vlan4k); - if (ret) - return ret; - - vlanmc.vid = vid; - vlanmc.member = vlan4k.member; - vlanmc.untag = vlan4k.untag; - vlanmc.fid = vlan4k.fid; - ret = smi->ops->set_vlan_mc(smi, i, &vlanmc); - if (ret) - return ret; - - ret = smi->ops->set_mc_index(smi, port, i); - return ret; - } - } - - /* MC table is full, try to find an unused entry and replace it */ - for (i = 0; i < smi->num_vlan_mc; i++) { - int used; - - ret = rtl8366_mc_is_used(smi, i, &used); - if (ret) - return ret; - - if (!used) { - /* Update the entry from the 4K table */ - ret = smi->ops->get_vlan_4k(smi, vid, &vlan4k); - if (ret) - return ret; - - vlanmc.vid = vid; - vlanmc.member = vlan4k.member; - vlanmc.untag = vlan4k.untag; - vlanmc.fid = vlan4k.fid; - ret = smi->ops->set_vlan_mc(smi, i, &vlanmc); - if (ret) - return ret; + /* Find or allocate a member config for this VID */ + ret = rtl8366_obtain_mc(smi, vid, &vlanmc); + if (ret) + return ret; + mc = ret; - ret = smi->ops->set_mc_index(smi, port, i); - return ret; - } + ret = smi->ops->set_mc_index(smi, port, mc); + if (ret) { + dev_err(smi->dev, "set PVID: failed to set MC index %d for port %d\n", + mc, port); + return ret; } - dev_err(smi->dev, - "all VLAN member configurations are in use\n"); + dev_dbg(smi->dev, "set PVID: the PVID for port %d set to %d using existing MC index %d\n", + port, vid, mc); - return -ENOSPC; + return 0; } EXPORT_SYMBOL_GPL(rtl8366_set_pvid); @@ -395,7 +415,8 @@ void rtl8366_vlan_add(struct dsa_switch *ds, int port, if (!smi->ops->is_vlan_valid(smi, vid)) return; - dev_info(smi->dev, "add VLAN on port %d, %s, %s\n", + dev_info(smi->dev, "add VLAN %d on port %d, %s, %s\n", + vlan->vid_begin, port, untagged ? "untagged" : "tagged", pvid ? " PVID" : "no PVID"); @@ -404,34 +425,26 @@ void rtl8366_vlan_add(struct dsa_switch *ds, int port, dev_err(smi->dev, "port is DSA or CPU port\n"); for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { - int pvid_val = 0; - - dev_info(smi->dev, "add VLAN %04x\n", vid); member |= BIT(port); if (untagged) untag |= BIT(port); - /* To ensure that we have a valid MC entry for this VLAN, - * initialize the port VLAN ID here. - */ - ret = rtl8366_get_pvid(smi, port, &pvid_val); - if (ret < 0) { - dev_err(smi->dev, "could not lookup PVID for port %d\n", - port); - return; - } - if (pvid_val == 0) { - ret = rtl8366_set_pvid(smi, port, vid); - if (ret < 0) - return; - } - ret = rtl8366_set_vlan(smi, vid, member, untag, 0); if (ret) dev_err(smi->dev, "failed to set up VLAN %04x", vid); + + ret = rtl8366_set_pvid(smi, port, vid); + if (ret) + dev_err(smi->dev, + "failed to set PVID on port %d to VLAN %04x", + port, vid); + + if (!ret) + dev_dbg(smi->dev, "VLAN add: added VLAN %d with PVID on port %d\n", + vid, port); } } EXPORT_SYMBOL_GPL(rtl8366_vlan_add);