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From: Pekka Savola <pekkas@netcore.fi>
To: "YOSHIFUJI Hideaki / 吉藤英明" <yoshfuji@linux-ipv6.org>
Cc: mika.liljeberg@welho.com, <andre@tomt.net>,
	<linux-kernel@vger.kernel.org>, <netdev@oss.sgi.com>
Subject: Re: 2.4.21+ - IPv6 over IPv4 tunneling b0rked
Date: Fri, 11 Jul 2003 13:47:48 +0300 (EEST)	[thread overview]
Message-ID: <Pine.LNX.4.44.0307111347090.27351-100000@netcore.fi> (raw)
In-Reply-To: <20030711.194713.21412719.yoshfuji@linux-ipv6.org>

On Fri, 11 Jul 2003, YOSHIFUJI Hideaki / [iso-2022-jp] ^[$B5HF#1QL@^[(B wrote:
> In article <Pine.LNX.4.44.0307111301520.27036-100000@netcore.fi> (at Fri, 11 Jul 2003 13:03:54 +0300 (EEST)), Pekka Savola <pekkas@netcore.fi> says:
> 
> > > We have but we cannot; it is refcnt'ed.
> > 
> > I don't understand what you mean.  Refcnt'ed by a userland process, so 
> > that if you'd want the subnet-router anycast address, the whole time a 
> > process (like radvd) should be running.. or what?
> 
> Kernel has refcnt for subnet router anycast address.
> Ref/dereference from userspace is done via socket.
> You cannot derefer subnet router anycast address 
> from userspace if the socket hasn't refered it.

So?  The point is that subnet router anycast address *could* be referenced 
explicitly by a user-land socket (e.g. by radvd), not kernel at all.

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings


  reply	other threads:[~2003-07-11 10:33 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-10 15:43 2.4.21+ - IPv6 over IPv4 tunneling b0rked CaT
2003-07-10 15:55 ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-10 15:58   ` CaT
2003-07-10 16:08   ` Pekka Savola
2003-07-10 16:18     ` 2.4.21+ - IPv6 over IPv4 tunneling broken YOSHIFUJI Hideaki / 吉藤英明
2003-07-10 16:19       ` Pekka Savola
2003-07-13 14:49     ` 2.4.21+ - IPv6 over IPv4 tunneling b0rked Anand Kumria
2003-07-13 16:23       ` Pekka Savola
2003-07-10 19:57   ` Mika Penttilä
2003-07-10 16:27 ` Mika Liljeberg
2003-07-10 23:39   ` CaT
2003-07-11  0:04     ` Mika Liljeberg
2003-07-11  1:49       ` Andre Tomt
2003-07-11  2:03         ` Mika Liljeberg
2003-07-11  2:03         ` 2.4.21+ - IPv6 over IPv4 tunneling broken YOSHIFUJI Hideaki / 吉藤英明
2003-07-11  4:51         ` 2.4.21+ - IPv6 over IPv4 tunneling b0rked Pekka Savola
2003-07-11  5:20           ` Mika Liljeberg
2003-07-11  5:22             ` Pekka Savola
2003-07-11  5:39               ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11  8:46                 ` Pekka Savola
2003-07-11  9:04                   ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11  9:39                     ` Mika Penttilä
2003-07-11  9:39                       ` Mika Penttilä
2003-07-11 10:03                     ` Pekka Savola
2003-07-11 10:47                       ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 10:47                         ` Pekka Savola [this message]
2003-07-11 10:59                           ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 10:59                             ` Pekka Savola
2003-07-11 11:03                               ` YOSHIFUJI Hideaki / 吉藤英明
2003-07-11 11:04                                 ` Pekka Savola
2003-07-11 11:36               ` Mika Liljeberg
2003-07-11 11:48                 ` Pekka Savola
2003-07-11 12:09                   ` Mika Liljeberg
2003-07-11 12:48                     ` Mika Penttilä
2003-07-11 13:38                       ` Mika Liljeberg
2003-07-11 14:27                         ` Mika Penttilä
2003-07-11 14:32                           ` Mika Liljeberg
2003-07-11 15:16                             ` Mika Penttilä
     [not found] <20030710.214551.08349572.davem@redhat.com>
2003-07-14 23:49 ` kuznet
2003-07-15  6:14   ` Pekka Savola
2003-07-15 14:46     ` kuznet
2003-07-15 17:29       ` Pekka Savola
2003-07-15 23:19         ` kuznet
2003-07-16  6:03           ` Pekka Savola
2003-07-17  0:03             ` kuznet
2003-07-17  6:50               ` Pekka Savola

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