BPF_F_MARK_ENFORCE 1922 net/core/filter.c bool do_mforce = flags & BPF_F_MARK_ENFORCE; BPF_F_MARK_ENFORCE 1925 net/core/filter.c if (unlikely(flags & ~(BPF_F_MARK_MANGLED_0 | BPF_F_MARK_ENFORCE |