From patchwork Sat Oct 22 01:10:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Skidmore, Donald C" X-Patchwork-Id: 685322 X-Patchwork-Delegate: jeffrey.t.kirsher@intel.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3t131Q1zBMz9s65 for ; Sat, 22 Oct 2016 11:13:45 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 7E2D29563C; Sat, 22 Oct 2016 00:13:43 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mHwQTa2k-Kvv; Sat, 22 Oct 2016 00:13:41 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by hemlock.osuosl.org (Postfix) with ESMTP id D29F095625; Sat, 22 Oct 2016 00:13:41 +0000 (UTC) X-Original-To: intel-wired-lan@lists.osuosl.org Delivered-To: intel-wired-lan@lists.osuosl.org Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id CFE1C1CE786 for ; Sat, 22 Oct 2016 00:13:40 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id C9C2D3162A for ; Sat, 22 Oct 2016 00:13:40 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mVoVQctHLo2c for ; Sat, 22 Oct 2016 00:13:40 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by silver.osuosl.org (Postfix) with ESMTPS id 08A3E3161F for ; Sat, 22 Oct 2016 00:13:39 +0000 (UTC) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP; 21 Oct 2016 17:13:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,527,1473145200"; d="scan'208";a="892654513" Received: from dcskidmo-m40.jf.intel.com ([134.134.3.124]) by orsmga003.jf.intel.com with ESMTP; 21 Oct 2016 17:13:39 -0700 From: Donald C Skidmore To: intel-wired-lan@lists.osuosl.org Date: Fri, 21 Oct 2016 21:10:54 -0400 Message-Id: <1477098654-29228-1-git-send-email-donald.c.skidmore@intel.com> X-Mailer: git-send-email 2.4.3 Subject: [Intel-wired-lan] [PATCH] ixgbe: Update setup PHY link to unset all speeds X-BeenThere: intel-wired-lan@lists.osuosl.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-wired-lan-bounces@lists.osuosl.org Sender: "Intel-wired-lan" This patch updates ixgbe_setup_phy_link_generic to set/unset auto-negotiation for all speeds. This ensures that unsupported speeds are unset. This is necessary since the PHY NVM may advertise unsupported speeds. Signed-off-by: Don Skidmore Signed-off-by: Don Skidmore Tested-by: Krishneil Singh --- drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c | 77 ++++++++++++++-------------- 1 file changed, 38 insertions(+), 39 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c index 2019db5..e27798d9 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -678,53 +678,52 @@ s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw) ixgbe_get_copper_link_capabilities_generic(hw, &speed, &autoneg); - if (speed & IXGBE_LINK_SPEED_10GB_FULL) { - /* Set or unset auto-negotiation 10G advertisement */ - hw->phy.ops.read_reg(hw, MDIO_AN_10GBT_CTRL, - MDIO_MMD_AN, - &autoneg_reg); + /* Set or unset auto-negotiation 10G advertisement */ + hw->phy.ops.read_reg(hw, MDIO_AN_10GBT_CTRL, MDIO_MMD_AN, &autoneg_reg); - autoneg_reg &= ~MDIO_AN_10GBT_CTRL_ADV10G; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) - autoneg_reg |= MDIO_AN_10GBT_CTRL_ADV10G; + autoneg_reg &= ~MDIO_AN_10GBT_CTRL_ADV10G; + if ((hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) && + (speed & IXGBE_LINK_SPEED_10GB_FULL)) + autoneg_reg |= MDIO_AN_10GBT_CTRL_ADV10G; - hw->phy.ops.write_reg(hw, MDIO_AN_10GBT_CTRL, - MDIO_MMD_AN, - autoneg_reg); - } + hw->phy.ops.write_reg(hw, MDIO_AN_10GBT_CTRL, MDIO_MMD_AN, autoneg_reg); - if (speed & IXGBE_LINK_SPEED_1GB_FULL) { - /* Set or unset auto-negotiation 1G advertisement */ - hw->phy.ops.read_reg(hw, - IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG, - MDIO_MMD_AN, - &autoneg_reg); - - autoneg_reg &= ~IXGBE_MII_1GBASE_T_ADVERTISE; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) - autoneg_reg |= IXGBE_MII_1GBASE_T_ADVERTISE; + hw->phy.ops.read_reg(hw, IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG, + MDIO_MMD_AN, &autoneg_reg); - hw->phy.ops.write_reg(hw, - IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG, - MDIO_MMD_AN, - autoneg_reg); + if (hw->mac.type == ixgbe_mac_X550) { + /* Set or unset auto-negotiation 5G advertisement */ + autoneg_reg &= ~IXGBE_MII_5GBASE_T_ADVERTISE; + if ((hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL) && + (speed & IXGBE_LINK_SPEED_5GB_FULL)) + autoneg_reg |= IXGBE_MII_5GBASE_T_ADVERTISE; + + /* Set or unset auto-negotiation 2.5G advertisement */ + autoneg_reg &= ~IXGBE_MII_2_5GBASE_T_ADVERTISE; + if ((hw->phy.autoneg_advertised & + IXGBE_LINK_SPEED_2_5GB_FULL) && + (speed & IXGBE_LINK_SPEED_2_5GB_FULL)) + autoneg_reg |= IXGBE_MII_2_5GBASE_T_ADVERTISE; } - if (speed & IXGBE_LINK_SPEED_100_FULL) { - /* Set or unset auto-negotiation 100M advertisement */ - hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, - MDIO_MMD_AN, - &autoneg_reg); + /* Set or unset auto-negotiation 1G advertisement */ + autoneg_reg &= ~IXGBE_MII_1GBASE_T_ADVERTISE; + if ((hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) && + (speed & IXGBE_LINK_SPEED_1GB_FULL)) + autoneg_reg |= IXGBE_MII_1GBASE_T_ADVERTISE; - autoneg_reg &= ~(ADVERTISE_100FULL | - ADVERTISE_100HALF); - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL) - autoneg_reg |= ADVERTISE_100FULL; + hw->phy.ops.write_reg(hw, IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG, + MDIO_MMD_AN, autoneg_reg); - hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, - MDIO_MMD_AN, - autoneg_reg); - } + /* Set or unset auto-negotiation 100M advertisement */ + hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, &autoneg_reg); + + autoneg_reg &= ~(ADVERTISE_100FULL | ADVERTISE_100HALF); + if ((hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL) && + (speed & IXGBE_LINK_SPEED_100_FULL)) + autoneg_reg |= ADVERTISE_100FULL; + + hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, autoneg_reg); /* Blocked by MNG FW so don't reset PHY */ if (ixgbe_check_reset_blocked(hw))