Re: [bwm-tools-tech] Experience with libnetfilter-queue

[Nigel K. <nk...@lb...>]

Hi Simon,

> I'd like to ask what your experience with the libnetfilter-queue
> library are. I'm planning to implement some traffic shaping app on my
> own using libnetfilter-queue and I wonder how efficient it is.
> bwm-tools is the first program I came across that uses
> libnetfilter-queue, that's why I ask here.
>
> Can I pipe big numbers of packets through libnetfilter-queue without
> noticeable latency or should I rather do it within the kernel directly?=

>  =20
Best thing about QUEUE is it can send only the packet headers to
userspace, in which case you ack or nack it.

I've tested it out processing about 5k pkt/s @ just under 100Mbit/s  (if
I remember correctly) on a Pentium D 2.4 with about 10-20% cpu utilizatio=
n.

-N