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authorDon Skidmore <donald.c.skidmore@intel.com>2016-10-21 21:10:54 -0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2016-11-04 17:04:58 -0700
commitd2e455a8884dcf5549ef67fcc2714ac0a64b9dc8 (patch)
tree228da8fe88d9adeeb039d12bb91fba2d1462883e /drivers/net
parent805cedd663549bfc74dbbc5dca73810df0589396 (diff)
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')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c77
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))