netdev - Re: [PATCH v5 net-next 3/3] udp6: Use Segment Routing Header for dest address if present

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Message-ID: <CA+FuTSfJws07XZjL6d5C01ofhKcnLS=AHWkDtEKKGQdmuM-XBQ@mail.gmail.com>
Date:   Mon, 3 Jan 2022 15:55:50 -0500
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     David Ahern <dsahern@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>, David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        James Prestwood <prestwoj@...il.com>,
        Justin Iurman <justin.iurman@...ege.be>,
        Praveen Chaudhary <praveen5582@...il.com>,
        "Jason A . Donenfeld" <Jason@...c4.com>,
        Eric Dumazet <edumazet@...gle.com>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH v5 net-next 3/3] udp6: Use Segment Routing Header for dest
 address if present

On Mon, Jan 3, 2022 at 12:35 PM David Ahern <dsahern@...il.com> wrote:
>
> On 1/3/22 10:11 AM, Andrew Lunn wrote:
> > When finding the socket to report an error on, if the invoking packet
> > is using Segment Routing, the IPv6 destination address is that of an
> > intermediate router, not the end destination. Extract the ultimate
> > destination address from the segment address.
> >
> > This change allows traceroute to function in the presence of Segment
> > Routing.
> >
> > Signed-off-by: Andrew Lunn <andrew@...n.ch>
> > ---
> >  include/net/seg6.h | 19 +++++++++++++++++++
> >  net/ipv6/udp.c     |  3 ++-
> >  2 files changed, 21 insertions(+), 1 deletion(-)
> >
>
> Reviewed-by: David Ahern <dsahern@...nel.org>
>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>