From patchwork Wed Sep 2 20:34:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 261601 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E695BC433E2 for ; Wed, 2 Sep 2020 20:35:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB5B920767 for ; Wed, 2 Sep 2020 20:35:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="dXcBaLK0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727035AbgIBUfY (ORCPT ); Wed, 2 Sep 2020 16:35:24 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:45580 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726247AbgIBUfU (ORCPT ); Wed, 2 Sep 2020 16:35:20 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 082KZ0Vh108364; Wed, 2 Sep 2020 15:35:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1599078900; bh=pQ193KVAaE0ZacOrnJLgxUbHpFmanxf9WxzyXcsxib0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=dXcBaLK0MKkU1w6hS8svE0+vSx7UGf3+Shoefa6FA8r8RMdk4MFGblAeltc3ehPeV eDPuoj7tdg3zJsaQ+KpzRpgx5Mw1VgDV0aibWEOUIh1dZt+z1OuDiytF3X+onCtBPk Lv2rvl/fK7QDEN5AGtVBWu7d9NSNx+NFee9MgFY0= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 082KZ0Op112982; Wed, 2 Sep 2020 15:35:00 -0500 Received: from DFLE113.ent.ti.com (10.64.6.34) by DFLE109.ent.ti.com (10.64.6.30) 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 15:35:00 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE113.ent.ti.com (10.64.6.34) 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 15:35:00 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 082KZ0tv092311; Wed, 2 Sep 2020 15:35:00 -0500 From: Dan Murphy To: , , , CC: , , Dan Murphy Subject: [PATCH net-next v2 2/3] net: phy: dp83869: support Wake on LAN Date: Wed, 2 Sep 2020 15:34:43 -0500 Message-ID: <20200902203444.29167-3-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 This adds WoL support on TI DP83869 for magic, magic secure, unicast and broadcast. Signed-off-by: Dan Murphy --- drivers/net/phy/dp83869.c | 128 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 48a68474f89c..5045df9515a5 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -4,6 +4,7 @@ */ #include +#include #include #include #include @@ -27,6 +28,13 @@ #define DP83869_RGMIICTL 0x0032 #define DP83869_STRAP_STS1 0x006e #define DP83869_RGMIIDCTL 0x0086 +#define DP83869_RXFCFG 0x0134 +#define DP83869_RXFPMD1 0x0136 +#define DP83869_RXFPMD2 0x0137 +#define DP83869_RXFPMD3 0x0138 +#define DP83869_RXFSOP1 0x0139 +#define DP83869_RXFSOP2 0x013A +#define DP83869_RXFSOP3 0x013B #define DP83869_IO_MUX_CFG 0x0170 #define DP83869_OP_MODE 0x01df #define DP83869_FX_CTRL 0x0c00 @@ -105,6 +113,14 @@ #define DP83869_OP_MODE_MII BIT(5) #define DP83869_SGMII_RGMII_BRIDGE BIT(6) +/* RXFCFG bits*/ +#define DP83869_WOL_MAGIC_EN BIT(0) +#define DP83869_WOL_PATTERN_EN BIT(1) +#define DP83869_WOL_BCAST_EN BIT(2) +#define DP83869_WOL_UCAST_EN BIT(4) +#define DP83869_WOL_SEC_EN BIT(5) +#define DP83869_WOL_ENH_MAC BIT(7) + enum { DP83869_PORT_MIRRORING_KEEP, DP83869_PORT_MIRRORING_EN, @@ -156,6 +172,115 @@ static int dp83869_config_intr(struct phy_device *phydev) return phy_write(phydev, MII_DP83869_MICR, micr_status); } +static int dp83869_set_wol(struct phy_device *phydev, + struct ethtool_wolinfo *wol) +{ + struct net_device *ndev = phydev->attached_dev; + u16 val_rxcfg, val_micr; + u8 *mac; + + val_rxcfg = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG); + val_micr = phy_read(phydev, MII_DP83869_MICR); + + if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_UCAST | + WAKE_BCAST)) { + val_rxcfg |= DP83869_WOL_ENH_MAC; + val_micr |= MII_DP83869_MICR_WOL_INT_EN; + + if (wol->wolopts & WAKE_MAGIC) { + mac = (u8 *)ndev->dev_addr; + + if (!is_valid_ether_addr(mac)) + return -EINVAL; + + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD1, + (mac[1] << 8 | mac[0])); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD2, + (mac[3] << 8 | mac[2])); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD3, + (mac[5] << 8 | mac[4])); + + val_rxcfg |= DP83869_WOL_MAGIC_EN; + } else { + val_rxcfg &= ~DP83869_WOL_MAGIC_EN; + } + + if (wol->wolopts & WAKE_MAGICSECURE) { + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP1, + (wol->sopass[1] << 8) | wol->sopass[0]); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP2, + (wol->sopass[3] << 8) | wol->sopass[2]); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP3, + (wol->sopass[5] << 8) | wol->sopass[4]); + + val_rxcfg |= DP83869_WOL_SEC_EN; + } else { + val_rxcfg &= ~DP83869_WOL_SEC_EN; + } + + if (wol->wolopts & WAKE_UCAST) + val_rxcfg |= DP83869_WOL_UCAST_EN; + else + val_rxcfg &= ~DP83869_WOL_UCAST_EN; + + if (wol->wolopts & WAKE_BCAST) + val_rxcfg |= DP83869_WOL_BCAST_EN; + else + val_rxcfg &= ~DP83869_WOL_BCAST_EN; + } else { + val_rxcfg &= ~DP83869_WOL_ENH_MAC; + val_micr &= ~MII_DP83869_MICR_WOL_INT_EN; + } + + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG, val_rxcfg); + phy_write(phydev, MII_DP83869_MICR, val_micr); + + return 0; +} + +static void dp83869_get_wol(struct phy_device *phydev, + struct ethtool_wolinfo *wol) +{ + u16 value, sopass_val; + + wol->supported = (WAKE_UCAST | WAKE_BCAST | WAKE_MAGIC | + WAKE_MAGICSECURE); + wol->wolopts = 0; + + value = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG); + + if (value & DP83869_WOL_UCAST_EN) + wol->wolopts |= WAKE_UCAST; + + if (value & DP83869_WOL_BCAST_EN) + wol->wolopts |= WAKE_BCAST; + + if (value & DP83869_WOL_MAGIC_EN) + wol->wolopts |= WAKE_MAGIC; + + if (value & DP83869_WOL_SEC_EN) { + sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR, + DP83869_RXFSOP1); + wol->sopass[0] = (sopass_val & 0xff); + wol->sopass[1] = (sopass_val >> 8); + + sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR, + DP83869_RXFSOP2); + wol->sopass[2] = (sopass_val & 0xff); + wol->sopass[3] = (sopass_val >> 8); + + sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR, + DP83869_RXFSOP3); + wol->sopass[4] = (sopass_val & 0xff); + wol->sopass[5] = (sopass_val >> 8); + + wol->wolopts |= WAKE_MAGICSECURE; + } + + if (!(value & DP83869_WOL_ENH_MAC)) + wol->wolopts = 0; +} + static int dp83869_config_port_mirroring(struct phy_device *phydev) { struct dp83869_private *dp83869 = phydev->priv; @@ -531,6 +656,9 @@ static struct phy_driver dp83869_driver[] = { .ack_interrupt = dp83869_ack_interrupt, .config_intr = dp83869_config_intr, + .get_wol = dp83869_get_wol, + .set_wol = dp83869_set_wol, + .suspend = genphy_suspend, .resume = genphy_resume, },