From: Daniel Borkmann <daniel@iogearbox•net>
To: Huan Le <huan@apcera•com>
Cc: netdev@vger•kernel.org
Subject: Re: tc ingress filters not applied
Date: Mon, 06 Jul 2015 19:43:13 +0200 [thread overview]
Message-ID: <559ABE31.9000405@iogearbox.net> (raw)
In-Reply-To: <loom.20150706T190215-28@post.gmane.org>
On 07/06/2015 07:24 PM, Huan Le wrote:
> Erik Hugne <erik.hugne <at> ericsson.com> writes:
>
>>
>> I'm having troubles with TC policing, the ingress filters does not seem to be
>> applied.
>>
>>
>> Kernel: net-next/latest
>> iproute2: shemminger/master
>>
>> //E
>>
>
> I observed similar behavior when configuring a filter on ingress qdisc.
> Test shows that traffic was rate-limited to the configured value.
> However, "tc filter show" does not show any filtering rule.
>
> (1) add ingress qdisc on eth1
> # tc qdisc add dev eth1 ingress
> # tc qdisc show dev eth1 ingress
> qdisc pfifo_fast 0: root refcnt 2 bands 3 priomap \
> 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
> qdisc ingress ffff: parent ffff:fff1 ----------------
>
> (2) add filter under ingress qdisc
> # tc filter add dev eth1 parent ffff: protocol all \
> u32 match ip src 0.0.0.0/0 \
> police rate 256kbit burst 10k drop flowid :1
> # tc filter show dev eth1
You have to add the handle/parent here, otherwise this shows egress filters.
> (3) verified sch_ingress kernel module is installed
> # lsmod | grep sch_ingress
> sch_ingress 12866 1
>
> (4) uname -a (if needed for debugging)
> Linux huan-lnx 3.16.0-30-generic #40~14.04.1-Ubuntu SMP
> Thu Jan 15 17:43:14 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>
> I am testing this using ubuntu 14.04 on a virtualbox VM
> (eth1 is a host-only adapter).
>
> Thanks,
> Huan
>
> --
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>
prev parent reply other threads:[~2015-07-06 17:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-30 14:15 tc ingress filters not applied Erik Hugne
2015-03-30 17:00 ` Cong Wang
2015-03-31 6:32 ` Erik Hugne
2015-07-06 17:24 ` Huan Le
2015-07-06 17:43 ` Daniel Borkmann [this message]
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