RTL8365MB_L2_UC_D4_SA_PRI_MSK
uc->sa_pri = FIELD_GET(RTL8365MB_L2_UC_D4_SA_PRI_MSK, data[4]);
data[4] |= FIELD_PREP(RTL8365MB_L2_UC_D4_SA_PRI_MSK, uc->sa_pri);