netdev - Re: [PATCH net-next 0/3] tools lib bpf: Synchronize implementations

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Message-ID: <CAPWQB7HtmX7+v37q9rH_3PD+QfSVg_uRiP_=5ZoKnwsF8gpyKg@mail.gmail.com>
Date:   Tue, 1 Nov 2016 15:17:43 -0700
From:   Joe Stringer <joe@....org>
To:     David Ahern <dsa@...ulusnetworks.com>
Cc:     netdev <netdev@...r.kernel.org>, wangnan0@...wei.com, ast@...com
Subject: Re: [PATCH net-next 0/3] tools lib bpf: Synchronize implementations

On 1 November 2016 at 13:51, David Ahern <dsa@...ulusnetworks.com> wrote:
> On 10/31/16 12:39 PM, Joe Stringer wrote:
>> Update tools/lib/bpf to provide more functionality and improve interoperation
>> with other tools that generate and use eBPF code.
>>
>> The kernel uapi headers are a bit newer than the version in the tools/
>> directory; synchronize those.
>>
>> samples/bpf/libbpf* has a bit more functionality than tools/lib/bpf, so extend
>> tools/lib/bpf/bpf* with these functions to bring them into parity.
>>
>> tools/lib/bpf cannot read ELFs that tc can read, and vice versa. Update the
>> map definition to be the same as in tc so the ELFs may be interchangeable
>> (at least for now; I don't have a long-term plan in mind to ensure this always
>> works).
>
> can samples/bpf be converted to use tools/lib/bpf/libbpf.a?

I have a few other patches sitting around that need this series,
including an attempt at this.