cvs commit: src/sys/net bpf.c
phk at phk.freebsd.dk
Tue Jun 7 09:26:50 GMT 2005
In message <20050607092414.GC39114 at cirb503493.alcatel.com.au>, Peter Jeremy writes:
>On Mon, 2005-Jun-06 22:19:59 +0000, Christian S.J. Peron wrote:
>> Change the maximum bpf program instruction limitation from being hard-
>> coded at 512 (BPF_MAXINSNS) to being tunable. This is useful for users
>> who wish to use complex or large bpf programs when filtering traffic.
>> For now we will default it to BPF_MAXINSNS. I have tested bpf programs
>> with well over 21,000 instructions without any problems.
>If people are using really large BPF programs, is there a benefit in
>moving from bytecode to machine code?
I'm sure there would be, but we wouldn't be compatible with everybody
else if we did so.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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