Re: ICMPv6 Redirects

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On 29/09/14 14:58, 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.
I do not catch any PACKET_OTHERHOST packets in the ip6_input.c ipv6_rcv function. I don't think the packets get this far. Also in the ieee802154_rcv function they are dropped. I will add some more debug to find where the redirects come from.
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