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authorAlexander Duyck <alexander.h.duyck@linux.intel.com>2019-06-19 09:58:53 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2019-06-28 16:00:13 -0700
commit1e1b0c658d9bb364b4a2a4b08a760d3e4c239bdc (patch)
treea047c4675a498ebd50195f21be52fbd0b5e34030 /drivers/net
parent9fe06a51287b2d41baef7ece94df34b5abf19b90 (diff)
ixgbevf: Use cached link state instead of re-reading the value for ethtool
Change the ethtool link settings call to just read the cached state out of the adapter structure instead of trying to recheck the value from the PF. Doing this should prevent excessive reading of the mailbox. Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com> Reviewed-by: "Guilherme G. Piccoli" <gpiccoli@canonical.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ethtool.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
index 5399787e07af..54459b69c948 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
@@ -85,22 +85,16 @@ static int ixgbevf_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
- struct ixgbe_hw *hw = &adapter->hw;
- u32 link_speed = 0;
- bool link_up;
ethtool_link_ksettings_zero_link_mode(cmd, supported);
ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
cmd->base.autoneg = AUTONEG_DISABLE;
cmd->base.port = -1;
- hw->mac.get_link_status = 1;
- hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
-
- if (link_up) {
+ if (adapter->link_up) {
__u32 speed = SPEED_10000;
- switch (link_speed) {
+ switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
speed = SPEED_10000;
break;