From: Ahmed Abdelsalam <ahabdels@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
andrea.mayer@uniroma2.it
Subject: Re: [PATCH] seg6: using DSCP of inner IPv4 packets
Date: Sat, 15 Aug 2020 11:47:04 +0200 [thread overview]
Message-ID: <56fb26ec-f35f-a7e9-53af-2ede1104bd28@gmail.com> (raw)
In-Reply-To: <20200807.174342.2147963305722259387.davem@davemloft.net>
Hi David,
Sorry for the late reply. I'm on PTO with limited email access.
I will revise the patch in the next weeks and make outer IPv6 header
inherit Hop limit from Inner packet for the IPv6 case.
Ahmed
On 08/08/2020 02:43, David Miller wrote:
> From: Ahmed Abdelsalam <ahabdels@gmail.com>
> Date: Thu, 6 Aug 2020 08:43:06 +0200
>
>> SRv6 as defined in [1][2] does not mandate that the hop_limit of the
>> outer IPv6 header has to be copied from the inner packet.
>
> This is not an issue of seg6 RFCs, but rather generic ip6 in ip6
> tunnel encapsulation.
>
> Therefore, what the existing ip6 tunnel encap does is our guide,
> and it inherits from the inner header.
>
> And that's what the original seg6 code almost certainly used to
> guide the decision making in this area.
>
prev parent reply other threads:[~2020-08-15 22:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-04 7:40 [PATCH] seg6: using DSCP of inner IPv4 packets Ahmed Abdelsalam
2020-08-04 20:08 ` David Miller
2020-08-06 0:40 ` David Miller
2020-08-06 6:43 ` Ahmed Abdelsalam
2020-08-08 0:43 ` David Miller
2020-08-15 9:47 ` Ahmed Abdelsalam [this message]
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