From patchwork Fri Jun 10 16:45:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaqing Zhao X-Patchwork-Id: 580793 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54335CCA480 for ; Fri, 10 Jun 2022 16:48:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349843AbiFJQsI (ORCPT ); Fri, 10 Jun 2022 12:48:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349815AbiFJQsG (ORCPT ); Fri, 10 Jun 2022 12:48:06 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE462B2EB6; Fri, 10 Jun 2022 09:47:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654879674; x=1686415674; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dTbJGn1wT4KOCMCBcHh3vCtqTv4ul5foDXW+RuzFICU=; b=LhhTH24iqh+l/4hFBcayLgBPEEqtNq/KcYS23TFGO6OjTY5ApSX9MEFe y4pxEkynT6ZRNcbj1OmVQtGfBW51UOKh2uYJik5tizVhhnO3fLYqLdY4D e83sPvlPZkTEkAZQwx2cW3AGtHsWYOgfPKs/lGD3zaxQfeksmbQpWpojY gfC3+w534za4VrvAt2v5d3aVzD4qgp3xK7ovuu9IGaok9uan3ekVni+La +kegdEeAMUDv478cb91aH+WlfzWuA5mZPhj+ATnv0I6QVXMu/jRgoHdjk Aqg5TbrKr1Qh4hRvL9ZwnlnlyRN2mDa++4V1XKyd0jgwOmDDPam1b1wKT A==; X-IronPort-AV: E=McAfee;i="6400,9594,10374"; a="275209640" X-IronPort-AV: E=Sophos;i="5.91,290,1647327600"; d="scan'208";a="275209640" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2022 09:47:54 -0700 X-IronPort-AV: E=Sophos;i="5.91,290,1647327600"; d="scan'208";a="638211067" Received: from unknown (HELO jiaqingz-server.sh.intel.com) ([10.239.48.171]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2022 09:47:53 -0700 From: Jiaqing Zhao To: Samuel Mendoza-Jonas , "David S . Miller" , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jiaqing Zhao Subject: [PATCH 6/6] net/ncsi: Support VLAN mode configuration Date: Sat, 11 Jun 2022 00:45:55 +0800 Message-Id: <20220610164555.2322930-7-jiaqing.zhao@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220610164555.2322930-1-jiaqing.zhao@linux.intel.com> References: <20220610164555.2322930-1-jiaqing.zhao@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org NCSI specification defines 4 VLAN modes, currently kernel NCSI driver only supports the "VLAN + non-VLAN" mode (Mode #2), and there is no way to detect which modes are supported by the device. This patch adds support for configuring VLAN mode via the "ncsi,vlan-mode" devicetree node. Signed-off-by: Jiaqing Zhao --- net/ncsi/internal.h | 1 + net/ncsi/ncsi-manage.c | 41 ++++++++++++++++++++++++++++++++++------- 2 files changed, 35 insertions(+), 7 deletions(-) diff --git a/net/ncsi/internal.h b/net/ncsi/internal.h index 7f384f841019..b868e07f7ffd 100644 --- a/net/ncsi/internal.h +++ b/net/ncsi/internal.h @@ -334,6 +334,7 @@ struct ncsi_dev_priv { struct work_struct work; /* For channel management */ struct packet_type ptype; /* NCSI packet Rx handler */ struct list_head node; /* Form NCSI device list */ + u32 vlan_mode; /* VLAN mode */ #define NCSI_MAX_VLAN_VIDS 15 struct list_head vlan_vids; /* List of active VLAN IDs */ diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c index 3fb95f29e3e2..a398b0eb72b2 100644 --- a/net/ncsi/ncsi-manage.c +++ b/net/ncsi/ncsi-manage.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include @@ -1042,7 +1043,11 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) nd->state = ncsi_dev_state_config_oem_gma; break; case ncsi_dev_state_config_oem_gma: - nd->state = ncsi_dev_state_config_clear_vids; + /* Only set up hardware VLAN filters in filtered mode */ + if (ndp->vlan_mode == NCSI_VLAN_MODE_FILTERED) + nd->state = ncsi_dev_state_config_clear_vids; + else + nd->state = ncsi_dev_state_config_ev; ret = -1; #if IS_ENABLED(CONFIG_NCSI_OEM_CMD_GET_MAC) @@ -1094,11 +1099,15 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp) nd->state = ncsi_dev_state_config_svf; /* Enable/Disable the VLAN filter */ } else if (nd->state == ncsi_dev_state_config_ev) { - if (list_empty(&ndp->vlan_vids)) { - nca.type = NCSI_PKT_CMD_DV; - } else { + if (ndp->vlan_mode == NCSI_VLAN_MODE_FILTERED && + !list_empty(&ndp->vlan_vids)) { nca.type = NCSI_PKT_CMD_EV; nca.bytes[3] = NCSI_CAP_VLAN_FILTERED; + } else if (ndp->vlan_mode == NCSI_VLAN_MODE_ANY) { + nca.type = NCSI_PKT_CMD_EV; + nca.bytes[3] = NCSI_CAP_VLAN_ANY; + } else { + nca.type = NCSI_PKT_CMD_DV; } nd->state = ncsi_dev_state_config_sma; } else if (nd->state == ncsi_dev_state_config_sma) { @@ -1800,15 +1809,33 @@ struct ncsi_dev *ncsi_register_dev(struct net_device *dev, ndp->ptype.dev = dev; dev_add_pack(&ndp->ptype); + /* Set default VLAN mode (filtered) */ + ndp->vlan_mode = NCSI_VLAN_MODE_FILTERED; + pdev = to_platform_device(dev->dev.parent); if (pdev) { np = pdev->dev.of_node; - if (np && of_get_property(np, "mlx,multi-host", NULL)) - ndp->mlx_multi_host = true; + if (np) { + u32 vlan_mode; + + if (!of_property_read_u32(np, "ncsi,vlan-mode", &vlan_mode)) { + if (vlan_mode > NCSI_VLAN_MODE_ANY || + vlan_mode == NCSI_VLAN_MODE_ONLY) + dev_warn(&pdev->dev, "NCSI: Unsupported VLAN mode %u", + vlan_mode); + else + ndp->vlan_mode = vlan_mode; + dev_info(&pdev->dev, "NCSI: Configured VLAN mode %u", + ndp->vlan_mode); + } + if (of_get_property(np, "mlx,multi-host", NULL)) + ndp->mlx_multi_host = true; + } } /* Enable hardware VLAN filtering */ - if (dev->netdev_ops->ndo_vlan_rx_add_vid == ncsi_vlan_rx_add_vid && + if (ndp->vlan_mode == NCSI_VLAN_MODE_FILTERED && + dev->netdev_ops->ndo_vlan_rx_add_vid == ncsi_vlan_rx_add_vid && dev->netdev_ops->ndo_vlan_rx_kill_vid == ncsi_vlan_rx_kill_vid) dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;