netdev - Re: [PATCH net-next] tcp: ipv6: support RFC 6069 (TCP-LD)

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Message-Id: <20200528.110259.1344103793250434137.davem@davemloft.net>
Date:   Thu, 28 May 2020 11:02:59 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        ncardwell@...gle.com, ycheng@...gle.com
Subject: Re: [PATCH net-next] tcp: ipv6: support RFC 6069 (TCP-LD)

From: Eric Dumazet <edumazet@...gle.com>
Date: Wed, 27 May 2020 17:34:58 -0700

> Make tcp_ld_RTO_revert() helper available to IPv6, and
> implement RFC 6069 :
> 
> Quoting this RFC :
> 
> 3. Connectivity Disruption Indication
> 
>    For Internet Protocol version 6 (IPv6) [RFC2460], the counterpart of
>    the ICMP destination unreachable message of code 0 (net unreachable)
>    and of code 1 (host unreachable) is the ICMPv6 destination
>    unreachable message of code 0 (no route to destination) [RFC4443].
>    As with IPv4, a router should generate an ICMPv6 destination
>    unreachable message of code 0 in response to a packet that cannot be
>    delivered to its destination address because it lacks a matching
>    entry in its routing table.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks Eric.