From: Felix Fietkau <nbd-p3rKhJxN3npAfugRpC6u6w@public•gmane.org>
To: Stephen Hemminger
<stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public•gmane.org>
Cc: Krishna Chaitanya
<chaitanya.mgit-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org>,
linux-wireless
<linux-wireless-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
Sebastian Gottschall
<s.gottschall-t37Kgv3TaIPQT0dZR+AlfA@public•gmane.org>,
Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public•gmane.org>,
netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>
Subject: Re: Regression in 3.9 caused by "bridge: respect RFC2863 operational state"
Date: Wed, 01 May 2013 23:06:16 +0200 [thread overview]
Message-ID: <518183C8.8050606@openwrt.org> (raw)
In-Reply-To: <CAOaVG179Rx_JfV99mbjWhwQTALb5gh+2_WVFWDSbngA0qkzoGw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 2013-05-01 10:21 PM, Stephen Hemminger wrote:
> What about using AF_PACKET bound to underlying wireless device and the
> packet type. You can even use BPF to filter.
As far as I know, AF_PACKET only works when not binding it to the packet
type (otherwise it get stolen by the rx handler).
Not binding it to the packet type and using BPF to filter is expensive
on small embedded devices with small caches. Still, this requires
userspace changes, so we need a different solution.
> Another alternative would be to have bridge accept control frames on
> dormant device but not send.
Sounds good, will you send a patch for that?
- Felix
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next prev parent reply other threads:[~2013-05-01 21:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-01 19:02 Regression in 3.9 caused by "bridge: respect RFC2863 operational state" Felix Fietkau
[not found] ` <518166C5.4080904-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>
2013-05-01 19:49 ` Krishna Chaitanya
[not found] ` <CAOaVG179Rx_JfV99mbjWhwQTALb5gh+2_WVFWDSbngA0qkzoGw@mail.gmail.com>
[not found] ` <CAOaVG179Rx_JfV99mbjWhwQTALb5gh+2_WVFWDSbngA0qkzoGw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-01 21:06 ` Felix Fietkau [this message]
[not found] ` <518183C8.8050606-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>
2013-05-01 22:49 ` Stephen Hemminger
[not found] ` <20130501154904.0ea31991-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2013-05-02 0:53 ` Felix Fietkau
[not found] <CAFuUQkhHsRZMnNYBbVZU0=BcAKMEktzYgPv6oc=CMFd7MFDi6g@mail.gmail.com>
2015-12-04 2:31 ` YanBo
[not found] ` <CAFuUQkjm3RFnrzWWSvbnYFC8gMnbX7C4bP_x0+2bREYumcoJyg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-19 15:45 ` Shajakhan, Mohammed Shafi (Mohammed Shafi)
[not found] ` <439966a35f064c7690f2ccbe7296c552-uFOy1J/eYsFdSXZW2pRUXqRtKmQZhJ7pQQ4Iyu8u01E@public.gmane.org>
2016-01-19 21:10 ` YanBo
[not found] ` <CAFuUQkhHsRZMnNYBbVZU0=BcAKMEktzYgPv6oc=CMFd7MFDi6g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-19 21:48 ` Stephen Hemminger
2016-01-19 21:55 ` Felix Fietkau
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