From: Varka Bhadram <varkabhadram@gmail.com>
To: Alexander Aring <alex.aring@gmail.com>
Cc: Simon Vincent <simon.vincent@xsilon.com>, linux-wpan@vger.kernel.org
Subject: Re: ICMPv6 Redirects
Date: Mon, 29 Sep 2014 19:45:50 +0530 [thread overview]
Message-ID: <54296996.1040507@gmail.com> (raw)
In-Reply-To: <20140929141249.GB15411@omega>
On Monday 29 September 2014 07:42 PM, Alexander Aring wrote:
> On Mon, Sep 29, 2014 at 07:35:05PM +0530, Varka Bhadram wrote:
>> On Monday 29 September 2014 07:28 PM, Alexander Aring wrote:
>>> On Mon, Sep 29, 2014 at 02:51:51PM +0100, Simon Vincent wrote:
>>>> Sorry for the confusion. My problem is I am receiving all packets.
>>>> PACKET_OTHERHOST does not seem to be dropped. A suggestion from Varka was to
>>>> disable redirects however it now seems that this is not possible on a ipv6
>>>> interface.
>>>>
>>>> I can fix the problem by dropping PACKET_OTHERHOST in mac802154_subif_frame.
>>> The first what IPv6 does is [0].
>>>
>>> See my previous mail. Also that we should handle on 6LoWPAN packet
>>> handler function for receiving "lowpan_rcv" we should do the same,
>>> otherwise we parsing PACKET_OTHERHOST sk_buff's and drop these directly
>>> in IPv6 layer, which makes no sense.
>>>
>>> But what I see is that the current behaviour should also work.
>>> Instrument the IPv6 delivery function and be sure that the information
>>> about PACKET_OTHERHOST was not dropped.
>>>
>>> - Alex
>>>
>>> [0] http://lxr.free-electrons.com/source/net/ipv6/ip6_input.c#L72
>> Generally Echo reply will happen at the IP Layer. But the dropping of packet is
>> happening at IPv6 layer by as you mentioned above.
>>
> IP Layer == (IPv6 || IPv4)
>
> I don't understand what you mean. There is some code sharing between
> IPv4 and IPv6 like neighbor discovery and ARP handling. Also for route
> things...
>
I am taking about IPv6 stuff.. We need to debug from where the redirect is happening..?
--
-Varka Bhadram
next prev parent reply other threads:[~2014-09-29 14:15 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-26 15:16 ICMPv6 Redirects Simon Vincent
2014-09-26 15:35 ` Alexander Aring
2014-09-26 16:26 ` Simon Vincent
2014-09-27 1:42 ` Alexander Aring
2014-09-29 10:20 ` Simon Vincent
2014-09-29 10:58 ` Varka Bhadram
2014-09-29 11:09 ` Simon Vincent
[not found] ` <5429441C.5000302@gmail.com>
[not found] ` <5429466F.4080506@gmail.com>
2014-09-29 11:53 ` Alexander Aring
2014-09-29 11:57 ` Alexander Aring
[not found] ` <542949AE.30701@gmail.com>
2014-09-29 12:14 ` Alexander Aring
[not found] ` <54294BE7.7040501@gmail.com>
2014-09-29 12:14 ` Alexander Aring
[not found] ` <54295556.3030800@xsilon.com>
2014-09-29 13:12 ` Alexander Aring
2014-09-29 13:30 ` Alexander Aring
2014-09-29 13:33 ` Simon Vincent
2014-09-29 13:38 ` Alexander Aring
2014-09-29 13:41 ` Alexander Aring
2014-09-29 13:51 ` Simon Vincent
2014-09-29 13:54 ` Varka Bhadram
2014-09-29 14:12 ` Simon Vincent
2014-09-29 13:58 ` Alexander Aring
2014-09-29 14:05 ` Varka Bhadram
2014-09-29 14:12 ` Alexander Aring
2014-09-29 14:15 ` Varka Bhadram [this message]
2014-09-29 14:19 ` Alexander Aring
2014-09-29 14:12 ` Simon Vincent
2014-09-29 14:17 ` Alexander Aring
2014-09-29 14:39 ` Alexander Aring
2014-09-29 14:51 ` Alexander Aring
2014-09-29 16:41 ` Alexander Aring
2014-09-30 8:34 ` Simon Vincent
2014-09-30 8:34 ` Varka Bhadram
2014-09-30 8:39 ` Alexander Aring
2014-09-30 8:46 ` Varka Bhadram
2014-09-30 8:53 ` Alexander Aring
2014-09-30 9:10 ` Varka Bhadram
2014-09-30 9:25 ` Alexander Aring
2014-09-30 9:35 ` Varka Bhadram
2014-09-30 9:43 ` Alexander Aring
[not found] ` <542A7D85.8050608@gmail.com>
2014-09-30 10:03 ` Alexander Aring
2014-09-30 10:55 ` Jukka Rissanen
2014-09-30 11:13 ` Alexander Aring
2014-09-30 11:35 ` Alexander Aring
2014-09-29 11:13 ` Alexander Aring
2014-09-29 11:23 ` Alexander Aring
2014-09-29 11:37 ` Alexander Aring
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