From patchwork Wed Sep 2 20:34:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 1356118 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=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=pIL7sT8s; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BhbKQ6Zvwz9sTS for ; Thu, 3 Sep 2020 06:35:06 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726742AbgIBUfD (ORCPT ); Wed, 2 Sep 2020 16:35:03 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:53186 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726247AbgIBUfA (ORCPT ); Wed, 2 Sep 2020 16:35:00 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 082KYtrx040423; Wed, 2 Sep 2020 15:34:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1599078895; bh=klBh5N7iRzXaFIEDB5cpeWg+Qq8oIkn1VHAHtfCNShs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=pIL7sT8sADON7bJEM5YISohaRA/gwNqkUqd/8oXi1QWKNcSl+NVZJvHHEP1BkdiSe tBSELtPuWJUsLTm90+ffJEvhDAvQorA7criFXyD0tJwghfLmKPVGm5eA1wp+sKjcp+ WceIetZgZaeRqzCmYLsbjpj4xndRT7X5MZpwVGLg= Received: from DLEE115.ent.ti.com (dlee115.ent.ti.com [157.170.170.26]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 082KYt9Y026553 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 2 Sep 2020 15:34:55 -0500 Received: from DLEE109.ent.ti.com (157.170.170.41) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 2 Sep 2020 15:34:54 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 2 Sep 2020 15:34:55 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 082KYsAn060995; Wed, 2 Sep 2020 15:34:55 -0500 From: Dan Murphy To: , , , CC: , , Dan Murphy Subject: [PATCH net-next v2 1/3] net: dp83869: Add ability to advertise Fiber connection Date: Wed, 2 Sep 2020 15:34:42 -0500 Message-ID: <20200902203444.29167-2-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200902203444.29167-1-dmurphy@ti.com> References: <20200902203444.29167-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add the ability to advertise the Fiber connection if the strap or the op-mode is configured for 100Base-FX. Auto negotiation is not supported on this PHY when in fiber mode. Signed-off-by: Dan Murphy --- drivers/net/phy/dp83869.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 58103152c601..48a68474f89c 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -52,6 +52,11 @@ BMCR_FULLDPLX | \ BMCR_SPEED1000) +#define MII_DP83869_FIBER_ADVERTISE (ADVERTISED_TP | ADVERTISED_MII | \ + ADVERTISED_FIBRE | ADVERTISED_BNC | \ + ADVERTISED_Pause | ADVERTISED_Asym_Pause | \ + ADVERTISED_100baseT_Full) + /* This is the same bit mask as the BMCR so re-use the BMCR default */ #define DP83869_FX_CTRL_DEFAULT MII_DP83869_BMCR_DEFAULT @@ -300,6 +305,7 @@ static int dp83869_configure_mode(struct phy_device *phydev, { int phy_ctrl_val; int ret; + int bmcr; if (dp83869->mode < DP83869_RGMII_COPPER_ETHERNET || dp83869->mode > DP83869_SGMII_COPPER_ETHERNET) @@ -383,7 +389,37 @@ static int dp83869_configure_mode(struct phy_device *phydev, break; case DP83869_RGMII_1000_BASE: + break; case DP83869_RGMII_100_BASE: + /* Only allow advertising what this PHY supports */ + linkmode_and(phydev->advertising, phydev->advertising, + phydev->supported); + + linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + phydev->supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + phydev->advertising); + + /* Auto neg is not supported in fiber mode */ + bmcr = phy_read(phydev, MII_BMCR); + if (bmcr < 0) + return bmcr; + + phydev->autoneg = AUTONEG_DISABLE; + linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->supported); + linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->advertising); + + if (bmcr & BMCR_ANENABLE) { + ret = phy_modify(phydev, MII_BMCR, BMCR_ANENABLE, 0); + if (ret < 0) + return ret; + } + + phy_modify_changed(phydev, MII_ADVERTISE, + MII_DP83869_FIBER_ADVERTISE, + MII_DP83869_FIBER_ADVERTISE); break; default: return -EINVAL;