diff options
| author |   Don Skidmore <donald.c.skidmore@intel.com> | 2016-10-21 21:10:54 -0400 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-11-04 17:04:58 -0700 |
| commit | d2e455a8884dcf5549ef67fcc2714ac0a64b9dc8 (patch) | |
| tree | 228da8fe88d9adeeb039d12bb91fba2d1462883e /drivers/net/ethernet/intel | |
| parent | ixgbe: Add support to retrieve and store LED link active (diff) | |
| download | linux-dev-d2e455a8884dcf5549ef67fcc2714ac0a64b9dc8.tar.xz linux-dev-d2e455a8884dcf5549ef67fcc2714ac0a64b9dc8.zip | |
ixgbe: Update setup PHY link to unset all speeds
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 <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c | 77 |
1 files 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 021ab9b89c71..648739a3904a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -705,53 +705,52 @@ 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)) |