ixgbe: Add X553 PHY FC autoneg support
This patch adds X553 flow control auto negotiation for fiber and
backplain. To enable this new function pointers were added as well
as creating a function to dynamically set function pointer we can't
define only on MAC type.
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>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index f7600dd..8832df3 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -298,10 +298,12 @@ s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw)
IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
IXGBE_WRITE_FLUSH(hw);
- /* Setup flow control */
- ret_val = hw->mac.ops.setup_fc(hw);
- if (ret_val)
- return ret_val;
+ /* Setup flow control if method for doing so */
+ if (hw->mac.ops.setup_fc) {
+ ret_val = hw->mac.ops.setup_fc(hw);
+ if (ret_val)
+ return ret_val;
+ }
/* Cashe bit indicating need for crosstalk fix */
switch (hw->mac.type) {
@@ -2173,7 +2175,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
}
/* Negotiate the fc mode to use */
- ixgbe_fc_autoneg(hw);
+ hw->mac.ops.fc_autoneg(hw);
/* Disable any previous flow control settings */
mflcn_reg = IXGBE_READ_REG(hw, IXGBE_MFLCN);
@@ -2277,8 +2279,8 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
* Find the intersection between advertised settings and link partner's
* advertised settings
**/
-static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
- u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
+s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
+ u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
{
if ((!(adv_reg)) || (!(lp_reg)))
return IXGBE_ERR_FC_NOT_NEGOTIATED;