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| author | Don Skidmore <donald.c.skidmore@intel.com> | 2009-01-26 20:57:17 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-26 20:57:17 -0800 |
| commit | 5b9c3cdd55ba57a25ae586373aaff723d8150085 (patch) | |
| tree | 3a86f89b30ab67738a06f0a61549f445ed076e1e /drivers/net/ixgbe | |
| parent | afcf12422ec8236dc8b9238fef7a475876eea8da (diff) | |
| download | kernel_samsung_smdk4412-5b9c3cdd55ba57a25ae586373aaff723d8150085.zip kernel_samsung_smdk4412-5b9c3cdd55ba57a25ae586373aaff723d8150085.tar.gz kernel_samsung_smdk4412-5b9c3cdd55ba57a25ae586373aaff723d8150085.tar.bz2 | |
ixgbe: fix slow load times on 82598 nics
Load times for NICs that use i2c to communicate with the phy were taking
~4.5 sec per port. This fix first checks to see if the link is already
up before calling get_link_capabilities, since if it is we don't need
query the phy for link state.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ixgbe')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index f7b592e..18d4353 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -3901,16 +3901,27 @@ static void ixgbe_netpoll(struct net_device *netdev) **/ static int ixgbe_link_config(struct ixgbe_hw *hw) { - u32 autoneg = IXGBE_LINK_SPEED_10GB_FULL; + u32 autoneg; + bool link_up = false; + u32 ret = IXGBE_ERR_LINK_SETUP; - /* must always autoneg for both 1G and 10G link */ - hw->mac.autoneg = true; + if (hw->mac.ops.check_link) + ret = hw->mac.ops.check_link(hw, &autoneg, &link_up, false); - if ((hw->mac.type == ixgbe_mac_82598EB) && - (hw->phy.media_type == ixgbe_media_type_copper)) - autoneg = IXGBE_LINK_SPEED_82598_AUTONEG; + if (ret || !link_up) + goto link_cfg_out; - return hw->mac.ops.setup_link_speed(hw, autoneg, true, true); + if (hw->mac.ops.get_link_capabilities) + ret = hw->mac.ops.get_link_capabilities(hw, &autoneg, + &hw->mac.autoneg); + if (ret) + goto link_cfg_out; + + if (hw->mac.ops.setup_link_speed) + ret = hw->mac.ops.setup_link_speed(hw, autoneg, true, true); + +link_cfg_out: + return ret; } static const struct net_device_ops ixgbe_netdev_ops = { |