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

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Date:   Tue, 01 Nov 2016 11:48:18 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     joe@....org
Cc:     netdev@...r.kernel.org, wangnan0@...wei.com, ast@...com,
        daniel@...earbox.net
Subject: Re: [PATCH net-next 0/3] tools lib bpf: Synchronize implementations

From: Joe Stringer <joe@....org>
Date: Mon, 31 Oct 2016 11:39:14 -0700

> 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).

Alexei and Daniel, please review.