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Date: Tue, 6 Oct 2020 18:18:58 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Jesper Dangaard Brouer <brouer@...hat.com> Cc: bpf@...r.kernel.org, netdev@...r.kernel.org, Daniel Borkmann <borkmann@...earbox.net>, Alexei Starovoitov <alexei.starovoitov@...il.com>, maze@...gle.com, lmb@...udflare.com, shaun@...era.io, Lorenzo Bianconi <lorenzo@...nel.org>, marek@...udflare.com, John Fastabend <john.fastabend@...il.com> Subject: Re: [PATCH bpf-next V1 3/6] bpf: add BPF-helper for reading MTU from net_device via ifindex 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: + +
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