netdev - Re: [PATCH bpf-next v2 6/7] libbpf: add bpf

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Message-ID: <20210604180157.2ne6loi6yi2pvikg@ast-mbp.dhcp.thefacebook.com>
Date:   Fri, 4 Jun 2021 11:01:57 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Kumar Kartikeya Dwivedi <memxor@...il.com>
Cc:     bpf@...r.kernel.org,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Vlad Buslov <vladbu@...dia.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next v2 6/7] libbpf: add bpf_link based TC-BPF
 management API

On Fri, Jun 04, 2021 at 12:01:15PM +0530, Kumar Kartikeya Dwivedi wrote:
> +/* TC bpf_link related API */
> +struct bpf_tc_hook;
> +
> +struct bpf_tc_link_opts {
> +	size_t sz;
> +	__u32 handle;
> +	__u32 priority;
> +	__u32 gen_flags;
> +	size_t :0;
> +};

Did you think of a way to share struct bpf_tc_opts with above?
Or use bpf_tc_link_opts inside bpf_tc_opts? 
Some other way?
gen_flags here and flags there are the same?