IGC_RLPML
IGC_WRITE_REG(&sc->hw, IGC_RLPML, psize);
rlpml = IGC_READ_REG(hw, IGC_RLPML);
IGC_WRITE_REG(hw, IGC_RLPML, 0);
IGC_WRITE_REG(hw, IGC_RLPML, rlpml);