[670] in linux-net channel archive
Re: Berkley Packet Filter? (Or DHCP.)
daemon@ATHENA.MIT.EDU (Alan Cox)
Fri Jul 14 01:31:11 1995
From: iialan@iifeak.swan.ac.uk (Alan Cox)
To: aleph1@dfw.net (Aleph One)
Date: Thu, 13 Jul 1995 19:08:11 +0100 (BST)
Cc: jered@vorlon.mit.edu, linux-net@vger.rutgers.edu
In-Reply-To: <Pine.SUN.3.90.950713122616.12446G-100000@dfw.net> from "Aleph One" at Jul 13, 95 12:27:00 pm
> While talking about BPF, any reason for there not being something similar
> under linux other than time and man power?
BPF in user space is fast enough for a fast machine to capture a full ethernet
(10Mb/second). It has performance costs (more context switches/copies) but
I felt (and feel) its best in user space. In the days of a VAX11/780 the rules
where a little different.
Alan
