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From: Arvid Brodin <arvid.brodin@enea•com>
To: <netdev@vger•kernel.org>
Cc: Arvid Brodin <arvid.brodin@enea•com>
Subject: Re: bridge: HSR support
Date: Fri, 6 Jan 2012 19:11:32 +0100	[thread overview]
Message-ID: <4F073954.7040001@enea.com> (raw)
In-Reply-To: <4EA5738B.8080008@enea.com>

Arvid Brodin wrote:
>> On Tue, 11 Oct 2011 20:25:08 +0200
>> Arvid Brodin <arvid.brodin@enea•com> wrote:
>>
>>> Hi,
>>>
>>> I want to add support for HSR ("High-availability Seamless Redundancy",
>>> IEC-62439-3) to the bridge code. With HSR, all connected units have two network
>>> ports and are connected in a ring. All new Ethernet packets are sent on both
>>> ports (or passed through if the current unit is not the originating unit). The
>>> same packet is never passed twice. Non-HSR units are not allowed in the ring.
>>>
>>> This gives instant, reconfiguration-free failover.
>>>
*snip*
> 
> I need to do two things:
> 
> 1) Bind two network interfaces into one (say, eth0 & eth1 => hsr0). Frames sent on
>    hsr0 should get an HSR tag (including the correct EtherType) and go out on both
>    eth0 and eth1.
> 
> 2) Ingress frames on eth0 & eth1, with EtherType 0x88fb, should be captured and 
>    handled specially (either received on hsr0 or forwarded to the other bound 
>    physical interface).
> 

I'm slowly getting there! :)

But what is net_device->header_ops->rebuild supposed to do?

Thanks,
Arvid Brodin
Enea Services Stockholm AB

next prev parent reply	other threads:[~2012-01-06 18:11 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4E948A04.8060400@enea.com>
     [not found] ` <20111011112821.28cd3e51@nehalam.linuxnetplumber.net>
2011-10-11 23:51   ` bridge: HSR support Arvid Brodin
2011-10-12 13:28     ` David Lamparter
2011-10-12 14:24       ` Arvid Brodin
2011-10-24 14:17     ` Arvid Brodin
2011-10-28 15:34       ` Arvid Brodin
2011-10-28 15:54         ` Stephen Hemminger
2011-10-28 16:36           ` Arvid Brodin
2011-12-06 23:23           ` Arvid Brodin
2011-12-06 23:27             ` Stephen Hemminger
2011-12-07 18:30               ` Arvid Brodin
2011-12-07 19:59                 ` Jay Vosburgh
2011-12-08 14:45                   ` Arvid Brodin
2011-11-21 16:52         ` Arvid Brodin
2012-01-06 18:11       ` Arvid Brodin [this message]
2012-01-12 18:02         ` bridge: HSR support - possible recursive locking? Arvid Brodin

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