TCA_BPF_MAX
struct nlattr *tb[TCA_BPF_MAX + 1];
ret = nla_parse_nested_deprecated(tb, TCA_BPF_MAX, tca[TCA_OPTIONS],
static const struct nla_policy bpf_policy[TCA_BPF_MAX + 1] = {
struct nlattr *tb[TCA_BPF_MAX + 1];
if (libbpf_nla_parse_nested(tb, TCA_BPF_MAX, attr, NULL) < 0)
struct nlattr *tbb[TCA_BPF_MAX + 1];
libbpf_nla_parse_nested(tbb, TCA_BPF_MAX, tb[TCA_OPTIONS], NULL);