RTL8365MB_L2_UC_D5_FWD_PRI_MSK
uc->fwd_pri = FIELD_GET(RTL8365MB_L2_UC_D5_FWD_PRI_MSK, data[5]);
data[5] |= FIELD_PREP(RTL8365MB_L2_UC_D5_FWD_PRI_MSK, uc->fwd_pri);