From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
To: Alexander Aring <alex.aring@gmail.com>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>,
davem@davemloft.net, kuznet@ms2.inr.ac.ru, jmorris@namei.org,
linux-zigbee-devel@lists.sourceforge.net, netdev@vger.kernel.org
Subject: Re: [PATCH] ipv6 addrconf: Fix addrconf_ifid_eui64 of 802.15.4 devices
Date: Sat, 09 Mar 2013 13:34:22 +0900 [thread overview]
Message-ID: <513ABBCE.1090501@linux-ipv6.org> (raw)
In-Reply-To: <513A203B.9030701@linux-ipv6.org>
YOSHIFUJI Hideaki wrote:
> Alexander Aring wrote:
:
>> With your patch, which isn't working anymore:
>>
>> iphc0 = 7b, iphc1 = 3b
>> NH flag is set, next header carried inline: 3a
>> source address stateless compression
>> (lowpan_uncompress_addr) linklocal address:
>> 02 85 00 3a 20 00 00 00
>> uncompressing 2 + 0 =>
>> fe 80 00 00 00 00 00 00 00 85 00 3a 20 00 00 00
>> dest: non context-based mcast compression
>> uncompressing 2 + 1 =>
>> ff 02 00 00 00 00 00 00 00 00 00 00 00 00 00 02
>> skb headroom size = 25, data length = 24
>> IPv6 header dump:
>> version = 6
>> length = 24
>> nexthdr = 0x3a
>> hop_lim = 255
>>
>> And for every ipv6 packet I got:
>> ICMPv6 checksum failed [fe80:0000:0000:0000:0001:ff00:0001:8700 > ff02:0000:0000:0000:0000:0001:ff00:0001]
>>
>> I seems that the reconstructed destination address and header length are
>> not right.
>
> That's wired. It is expected to work whatever valid source/destination
> addesses are used, right?
It seems the last argument for lowpan_uncompress_address() (lladdr,
show as "linklocal address") is incorrect.
Note that it should say link-"layer" address, BTW.
--yoshfuji
next prev parent reply other threads:[~2013-03-09 4:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-07 20:13 [PATCH] ipv6 addrconf: Fix addrconf_ifid_eui64 of 802.15.4 devices Alexander Aring
2013-03-07 20:41 ` Alexander Aring
2013-03-08 2:21 ` YOSHIFUJI Hideaki
2013-03-08 9:37 ` Alexander Aring
2013-03-08 17:30 ` YOSHIFUJI Hideaki
2013-03-09 4:34 ` YOSHIFUJI Hideaki [this message]
2013-03-09 20:08 ` Alexander Aring
2013-03-07 22:41 ` Ben Hutchings
2013-03-07 22:57 ` Eric Dumazet
2013-03-07 23:17 ` David Miller
2013-03-08 8:53 ` Alexander Aring
[not found] ` <1362696088.2936.47.camel-/LGg1Z1CJKReKY3V0RtoKmatzQS1i7+A3tAM5lWOD0I@public.gmane.org>
2013-03-08 9:04 ` Alexander Aring
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