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Re: [PATCH] [NET]: Fix deletion of local addresses only varying in prefi

from [Patrick McHardy] [Permanent Link][Original]
To: Thomas Graf <tgraf@xxxxxxx>
Subject: Re: [PATCH] [NET]: Fix deletion of local addresses only varying in prefix length
From: Patrick McHardy <kaber@xxxxxxxxx>
Date: Sat, 05 Mar 2005 01:46:42 +0100
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, davem@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20050305002910.GJ31837@postel.suug.ch>
References: <20050304012003.GA31837@postel.suug.ch> <E1D78DN-0002te-00@gondolin.me.apana.org.au> <20050304131419.GE31837@postel.suug.ch> <20050304233212.GA27421@gondor.apana.org.au> <20050305002910.GJ31837@postel.suug.ch>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.5) Gecko/20050106 Debian/1.7.5-1
Thomas Graf wrote: 
I've been thinking about this since yesterday and the best solution I
came up so far is to encode it in one of the yet unused bits in
the prefixlength field. After all we're only using 5bits of it. What
i'm thinking of in particular is to encode it as in 1 bit wildcard
flag 5 bits prefix length.


I think that would be ok. Unrelated to this: for IFA_ADDRESS we don't
do an exact match, perhaps we should also do this for IFA_LOCAL for
consistency.

Regards
Patrick

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