ixgbe: use correct mask when enabling sriov

Swap the parameters in GENMASK in order to generate the correct mask.

This change fixes Tx hangs when enabling SRIOV.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@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 d08fbcf..7bbf9b1 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3767,9 +3767,9 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
        reg_offset = (VMDQ_P(0) >= 32) ? 1 : 0;
 
        /* Enable only the PF's pool for Tx/Rx */
-       IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), GENMASK(vf_shift, 31));
+       IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), GENMASK(31, vf_shift));
        IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset ^ 1), reg_offset - 1);
-       IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), GENMASK(vf_shift, 31));
+       IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), GENMASK(31, vf_shift));
        IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset ^ 1), reg_offset - 1);
        if (adapter->bridge_mode == BRIDGE_MODE_VEB)
                IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);