From patchwork Fri Jul 3 04:57:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 1322099 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=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=WUfuaAYE; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49yjVq5bGcz9sRW for ; Fri, 3 Jul 2020 15:01:55 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726140AbgGCFBw (ORCPT ); Fri, 3 Jul 2020 01:01:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725764AbgGCFBw (ORCPT ); Fri, 3 Jul 2020 01:01:52 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0D5BC08C5C1; Thu, 2 Jul 2020 22:01:51 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id q15so30502720wmj.2; Thu, 02 Jul 2020 22:01:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=6CSz1t21P1s1QIl9drzthPclFfgp444pHgQTTwZGkmQ=; b=WUfuaAYEalJm2sFaTpMXXet+97GEzCAVWd/iNCgAzj6QWaNBYjDdZ+2u1oDS7DYjbW RPcRf9DIXb1L8u4hRSz1jmV0FulcqktY4eaug/Of328YC8xbKogvAV+uG5erAVbGNx1D faXVIVT1IaGda5Kx/F+uzCDX+rtz8ZJbbJ8OVZ94iMaE7DhXfyYSlAXW72sjlz04ZtU0 KJA/g+nM8S2QqUBU+acGxZmznjeimE+Vl3P9IuE6Suk9SmKBEiTr97Yb3MGiSdftUVJZ TFYSFIenl8pgzQ7/8wFQfCFoMnBUeXc+efOWJc0aCSH3TuAo4XOvszaXMjB8PSOI6JSO GFbQ== 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; bh=6CSz1t21P1s1QIl9drzthPclFfgp444pHgQTTwZGkmQ=; b=onI51TfUvsiGVMsjj+R8xyNzVRXV1wPNJ8In4sdSwUVWj0vdsM6dpOE4Oky+kXoMvs p6hTwSEjKlsZC5dbL+cS0loRAu3IbRLLrDZLRW4ZFFFBQz9eWXGO1LI0ltd0iMaDnyks +okC3juRbudwtXaGOhzrX3bQ3dag5YJUD15iCDlYo6UW4k0nV42dcg6o6zXrEfs3MLDB SGOq4cCsDErOMl8D2ir6yO+q+kRg1RiCnXTLQ4su/vJNGkmGVIlAdQIZNfAi+AeJ23JH pphz5WFHxZ7LJnahNJi/v8IEpVkO/f7xEMzcHkj0W9IJIuduPSu/Lae7wmI5KQbvxE+H bvhA== X-Gm-Message-State: AOAM533R3sq/iPUJeFklNllF9v1ir70aQkyUkq7TSe0j6DeeXHAFU64B WyeE2oPVoCL/IvcPH9R7a6V7GyVF X-Google-Smtp-Source: ABdhPJynSKlEqRb/diSRVpUGdPQ5MaWQTUnWAFqpAeaVknbLbirBgTTn9hhSBOI8Xy5+dT9iJGPBvA== X-Received: by 2002:a1c:7313:: with SMTP id d19mr21986941wmb.147.1593752510024; Thu, 02 Jul 2020 22:01:50 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id g14sm12397967wrm.93.2020.07.02.22.01.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2020 22:01:49 -0700 (PDT) From: Florian Fainelli To: netdev@vger.kernel.org Cc: Florian Fainelli , Doug Berger , "David S. Miller" , Jakub Kicinski , bcm-kernel-feedback-list@broadcom.com (open list:BROADCOM GENET ETHERNET DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH net-next] net: bcmgenet: Allow changing carrier from user-space Date: Thu, 2 Jul 2020 21:57:00 -0700 Message-Id: <20200703045701.18996-1-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The GENET driver interfaces with internal MoCA interface as well as external MoCA chips like the BCM6802/6803 through a fixed link interface. It is desirable for the mocad user-space daemon to be able to control the carrier state based upon out of band messages that it receives from the MoCA chip. Signed-off-by: Florian Fainelli --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index af924a8b885f..ee84a26bd8f3 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3647,6 +3647,22 @@ static struct net_device_stats *bcmgenet_get_stats(struct net_device *dev) return &dev->stats; } +static int bcmgenet_change_carrier(struct net_device *dev, bool new_carrier) +{ + struct bcmgenet_priv *priv = netdev_priv(dev); + + if (!dev->phydev || !phy_is_pseudo_fixed_link(dev->phydev) || + priv->phy_interface != PHY_INTERFACE_MODE_MOCA) + return -EOPNOTSUPP; + + if (new_carrier) + netif_carrier_on(dev); + else + netif_carrier_off(dev); + + return 0; +} + static const struct net_device_ops bcmgenet_netdev_ops = { .ndo_open = bcmgenet_open, .ndo_stop = bcmgenet_close, @@ -3660,6 +3676,7 @@ static const struct net_device_ops bcmgenet_netdev_ops = { .ndo_poll_controller = bcmgenet_poll_controller, #endif .ndo_get_stats = bcmgenet_get_stats, + .ndo_change_carrier = bcmgenet_change_carrier, }; /* Array of GENET hardware parameters/characteristics */