PF_SRC_RDOMAIN
{ .type = PF_SRC_RDOMAIN, .off = _OUT(rdomain), .cb = snl_attr_get_uint32 },
{ .type = PF_SRC_RDOMAIN, .off = _OUT(rdomain), .cb = nlattr_get_uint32 },
nlattr_add_u32(nw, PF_SRC_RDOMAIN, pfsr->pfsr_rdomain);