Re: FIB separation

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From
Julian Elischer <julian@freebsd.org>
Date
29 Jul 2011 19:14:47
Subject
Re: FIB separation
Message-ID
4E330699.9000002@freebsd.org


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On 7/16/11 9:19 AM, Alexander V. Chernikov wrote:
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> Hiroki Sato wrote:
>> Vlad Galu<dudu@dudu.ro> wrote
>> in<A718ADB2-EC52-462C-A114-85053F1B2E55@dudu.ro>:
>>
>> du> Hello,
>> du>
>> du> A couple of years ago, Stef Walter proposed a patch[1] that enforced
>> du> the scope of routing messages. The general consesus was that the best
>> du> approach would be the OpenBSD way - transporting the FIB number in the
>> du> message and letting the user applications filter out unwanted
>> du> messages.
>> du>
>> du> Are there any plans to tackle this before 9.0?
>>
>> I am looking into this and investigating other possible extensions in
>> rtsock messages such as addition of a fib member to rt_msghdr. I am
>> not sure it can be done before 9.0, though...
> Actually there were an off-list discussion with bz@ and julian@ about
> interface fibs and rtsock changes several weeks ago.
>
> Initial messages:
> http://lists.freebsd.org/pipermail/freebsd-net/2011-June/029040.html
>
> I've got 3 different patches:
> 1) straight forwarded kern/134931 fix (no fib in rtsock, no breaking
> ABI, send to bz@)
just got back from vacation in hungary so catching up...:

Didn't he commit it? bz??

> 2) adding fib in rtsock with rtsock versioning and other ABI keeping tricks
> 3) adding special RTA which can contain TLV pairs, with single defined
> TLV with routing socket
>
> As a result of discussion, first patch was sent to bz@. Since patches
> from kern/134931 are outdated attaching it here.


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