From: Samium Gromoff <root@ibe.miee.ru>
To: pwaechtler@loewe-komp.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: Networking with slow CPUs
Date: Thu, 28 Mar 2002 18:38:29 +0300 (MSK) [thread overview]
Message-ID: <200203281538.g2SFcUl06361@ibe.miee.ru> (raw)
> > Is there a possibility to "harden" a small machine (33 MHz embedded
> > device) against e.g. flood pings from the outside world?
> >
>
> AFAIK, there is a mechanism to switch off the interrupts generated
> by the network card, if the load is getting too high. This way the
> packets get overwritten on the nic buffers and do not even reach
> the CPU.
this is a whole new strategy: ie you switch from interrupt-driven handling
to periodicall polls of the NIC.
last time i`ve heard of it it was the bleeding edge Jamal`s model
of the lowlevel network engine.
regards, Samium Gromoff
next reply other threads:[~2002-03-28 12:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-28 15:38 Samium Gromoff [this message]
2002-03-28 13:31 ` Richard B. Johnson
-- strict thread matches above, loose matches on Subject: below --
2002-03-27 18:46 Robert Schwebel
2002-03-28 10:59 ` Peter Wächtler
2002-03-29 11:33 ` pjd
2002-03-29 15:47 ` Bill Davidsen
2002-03-29 18:27 ` Mike Fedyk
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