netdev - Re: [PATCH net-next v3 3/9] ipv6: sr: add support for SRH encapsulation and injection with lwtunnels

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Message-ID: <58134BCC.90707@cumulusnetworks.com>
Date:   Fri, 28 Oct 2016 05:59:56 -0700
From:   Roopa Prabhu <roopa@...ulusnetworks.com>
To:     David Lebrun <david.lebrun@...ouvain.be>
CC:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3 3/9] ipv6: sr: add support for SRH encapsulation
 and injection with lwtunnels

On 10/27/16, 6:33 AM, David Lebrun wrote:
> This patch creates a new type of interfaceless lightweight tunnel (SEG6),
> enabling the encapsulation and injection of SRH within locally emitted
> packets and forwarded packets.
>
> From a configuration viewpoint, a seg6 tunnel would be configured as follows:
>
>   ip -6 ro ad fc00::1/128 encap seg6 mode encap segs fc42::1,fc42::2,fc42::3 dev eth0
>
> Any packet whose destination address is fc00::1 would thus be encapsulated
> within an outer IPv6 header containing the SRH with three segments, and would
> actually be routed to the first segment of the list. If `mode inline' was
> specified instead of `mode encap', then the SRH would be directly inserted
> after the IPv6 header without outer encapsulation.
>
> Signed-off-by: David Lebrun <david.lebrun@...ouvain.be>
>
Acked-by: Roopa Prabhu <roopa@...ulusnetworks.com>