ixgbe: fix ethtool -A|a behavior

We were basicly ignoring ethtool users request for FC autoneg
and replying to queries with a "best guess".  This patch
enables the driver to store if we want to enable/disable
autoneg FC and do the correct behavior.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 8cfd3fd309a0..63ab6671d08e 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1937,7 +1937,8 @@ s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
 
         /* Decide whether to use autoneg or not. */
         hw->mac.ops.check_link(hw, &speed, &link_up, false);
-        if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL))
+        if (!hw->fc.disable_fc_autoneg && hw->phy.multispeed_fiber &&
+            (speed == IXGBE_LINK_SPEED_1GB_FULL))
                 ret_val = ixgbe_fc_autoneg(hw);
 
         if (ret_val)