From: Patrick McHardy <kaber@trash.net>
To: Chris Friesen <cfriesen@nortel.com>
Cc: netdev@vger.kernel.org
Subject: Re: relationship between ingress policer and netfilter hooks?
Date: Wed, 03 Jun 2009 09:18:55 +0200 [thread overview]
Message-ID: <4A2623DF.5040800@trash.net> (raw)
In-Reply-To: <4A256E55.9090309@nortel.com>
Chris Friesen wrote:
> Patrick McHardy wrote:
>> Chris Friesen wrote:
>>
>>> Hi all,
>>>
>>> Can someone tell me where the hook is for incoming packets to be sent
>>> through the ingress policer?
>>>
>>> In particular, I'm trying to find out how the ingress traffic shaping
>>> hook relates to the various netfilter hooks so that I can set them up to
>>> behave nicely together.
>
>> They're not related at all. The ingress qdisc is hooked at
>> net/dev/core.c:handle_ing().
>
> Thanks. Based on that the shaping is done before any of the netfilter
> hooks, which is what I was trying to figure out.
Correct.
> On a related note...the deliver_skb() call right before the call to
> handle_ing()--is that to allow packet sockets to receive everything that
> arrives on the wire even if some of it may be dropped later?
Yes, its the final delivery for ptype_all handlers.
prev parent reply other threads:[~2009-06-03 7:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-02 15:30 relationship between ingress policer and netfilter hooks? Chris Friesen
2009-06-02 17:04 ` Patrick McHardy
2009-06-02 18:24 ` Chris Friesen
2009-06-03 7:18 ` Patrick McHardy [this message]
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