I40E_PRTMAC_HSEC_CTL_RX_PAUSE_ENABLE_MASK
reg &= ~I40E_PRTMAC_HSEC_CTL_RX_PAUSE_ENABLE_MASK;
reg |= FIELD_PREP(I40E_PRTMAC_HSEC_CTL_RX_PAUSE_ENABLE_MASK,