From: Stephen Hemminger <stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public•gmane.org>
To: Felix Fietkau <nbd-p3rKhJxN3npAfugRpC6u6w@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, 1 May 2013 15:49:04 -0700 [thread overview]
Message-ID: <20130501154904.0ea31991@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <518183C8.8050606-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>
On Wed, 01 May 2013 23:06:16 +0200
Felix Fietkau <nbd-p3rKhJxN3npAfugRpC6u6w@public•gmane.org> wrote:
> 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).
You can do AF_PACKET and it gets handle before 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 22:49 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
[not found] ` <518183C8.8050606-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>
2013-05-01 22:49 ` Stephen Hemminger [this message]
[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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