[PATCH] bpf: fix build with some libpcap version on FreeBSD

[Stephen Hemminger]

On Thu, 10 Mar 2022 19:30:40 +0100
David Marchand <david.marchand at redhat.com> wrote:

> This is something caught in UNH FreeBSD env.
> 
> For some reason [1], the pcap/bpf.h header started to define _BPF_H_.
> 
> It happens that the bpf_impl.h internal DPDK header uses this define as
> an internal guard.
> This triggers a build failure in bpf_convert.c which can't find
> RTE_BPF_LOG macro.
> 
> Fix the include guard to use the filename and remove _.
> 
> 1: https://github.com/the-tcpdump-group/libpcap/pull/1074
> 
> Fixes: 94972f35a02e ("bpf: add BPF loading and execution framework")
> Cc: stable at dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand at redhat.com>

Acked-by: Stephen Hemminger <stephen at networkplumber.org>