On Tue, 6 Oct 2020 18:33:02 +0200 Jesper Dangaard Brouer wrote: > > +static const struct bpf_func_proto bpf_xdp_mtu_lookup_proto = { > > + .func = bpf_xdp_mtu_lookup, > > + .gpl_only = true, > > + .ret_type = RET_INTEGER, > > + .arg1_type = ARG_PTR_TO_CTX, > > + .arg2_type = ARG_ANYTHING, > > + .arg3_type = ARG_ANYTHING, > > +}; > > + > > + FWIW CHECK: Please don't use multiple blank lines #112: FILE: net/core/filter.c:5566: + +