netdev - Re: [PATCH v3 bpf-next 0/2] Make bpf_endian.h compatible with vmlinux.h

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Message-ID: <2170175d-a97e-6ca5-003c-bc6d6d1b936a@iogearbox.net>
Date:   Wed, 1 Jul 2020 16:53:51 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Andrii Nakryiko <andriin@...com>, bpf@...r.kernel.org,
        netdev@...r.kernel.org, ast@...com
Cc:     andrii.nakryiko@...il.com, kernel-team@...com
Subject: Re: [PATCH v3 bpf-next 0/2] Make bpf_endian.h compatible with
 vmlinux.h

On 6/30/20 5:21 PM, Andrii Nakryiko wrote:
> Change libbpf's bpf_endian.h header to be compatible when used with system
> headers and when using just vmlinux.h. This is a frequent request for users
> writing BPF CO-RE applications. Do this by re-implementing byte swap
> compile-time macros. Also add simple tests validating correct results both for
> byte-swapping built-ins and macros.
> 
> v2->v3:
> - explicit zero-initialization of global variables (Daniel);
> 
> v1->v2:
> - reimplement byte swapping macros (Alexei).
> 
> Andrii Nakryiko (2):
>    libbpf: make bpf_endian co-exist with vmlinux.h
>    selftests/bpf: add byte swapping selftest
> 
>   tools/lib/bpf/bpf_endian.h                    | 43 ++++++++++++---
>   .../testing/selftests/bpf/prog_tests/endian.c | 53 +++++++++++++++++++
>   .../testing/selftests/bpf/progs/test_endian.c | 37 +++++++++++++
>   3 files changed, 125 insertions(+), 8 deletions(-)
>   create mode 100644 tools/testing/selftests/bpf/prog_tests/endian.c
>   create mode 100644 tools/testing/selftests/bpf/progs/test_endian.c
> 

All good now & applied, thanks!