netdev - Re: multi bpf filter will impact performance?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <18eaf7d286236427b1632b9af62be513@localhost>
Date:	Wed, 01 Dec 2010 18:22:48 +0100
From:	Hagen Paul Pfeifer <hagen@...u.net>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Changli Gao <xiaosuo@...il.com>, Rui <wirelesser@...il.com>,
	<netdev@...r.kernel.org>
Subject: Re: multi bpf filter will impact performance?


On Wed, 01 Dec 2010 09:42:47 +0100, Eric Dumazet wrote:

> IMHO, a better pcap optimizer would be the first step.

+1

Optimizing complex filter rules is step one in the process of optimizing
the packet processing. A JIT compiler like FreeBSD provides cannot polish a
(pcap)turd. I thought Patrick was working on a generic filter mechanism for
netfilter!? ... ;)

Hagen

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html