On Thu, 8 Nov 2018 11:16:43 +0000, Quentin Monnet wrote: > > - bpf_program__set_ifindex(prog, ifindex); > > if (attr.prog_type == BPF_PROG_TYPE_UNSPEC) { > > + if (!prog) { > > + p_err("can not guess program type when loading all programs\n"); No new lines in p_err(), beaks JSON. > > + goto err_close_obj; > > + } > > + > > const char *sec_name = bpf_program__title(prog, false); > > > > err = libbpf_prog_type_by_name(sec_name, &attr.prog_type, > > @@ -936,8 +958,13 @@ static int do_load(int argc, char **argv) > > goto err_close_obj; > > } > > } > > - bpf_program__set_type(prog, attr.prog_type); > > - bpf_program__set_expected_attach_type(prog, expected_attach_type); > > + > > + bpf_object__for_each_program(pos, obj) { > > + bpf_program__set_ifindex(pos, ifindex); > > + bpf_program__set_type(pos, attr.prog_type); > > + bpf_program__set_expected_attach_type(pos, > > + expected_attach_type); > > + } > > I still believe you can have programs of different types here, and be > able to load them. I tried it and managed to have it working fine. If no > type is provided from command line we can retrieve types for each > program from its section name. If a type is provided on the command > line, we can do the same, but I am not sure we should do it, or impose > that type for all programs instead. attr->prog_type is one per object, though. How do we set that one?