ixgbe: Drop unnecessary addition from ixgbe_set_rx_buffer_len

We still had some code floating around from the old single buffer receive
path.  As a result we were adding VLAN_HLEN to max_frame although the
resultant value was never used.  Since that is the case we can drop this from
the function.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index c1ce6e9..88d636a 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3289,9 +3289,6 @@ static void ixgbe_set_rx_buffer_len(struct ixgbe_adapter *adapter)
                IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd);
        }
 
-       /* MHADD will allow an extra 4 bytes past for vlan tagged frames */
-       max_frame += VLAN_HLEN;
-
        hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
        /* set jumbo enable since MHADD.MFS is keeping size locked at max_frame */
        hlreg0 |= IXGBE_HLREG0_JUMBOEN;