RTL8365MB_CVLAN_ENTRY_D1_FID_MASK
vlan4k->fid = FIELD_GET(RTL8365MB_CVLAN_ENTRY_D1_FID_MASK, data[1]);
data[1] |= FIELD_PREP(RTL8365MB_CVLAN_ENTRY_D1_FID_MASK, vlan4k->fid);