[RFC PATCH] ethdev: introduce NAT64 action

[Bing Zhao]

Hi Ferruh,

The full patch set will be sent for the coming 24.03 release.

Thank you.

> -----Original Message-----
> From: Ferruh Yigit <ferruh.yigit at amd.com>
> Sent: Tuesday, October 10, 2023 5:56 PM
> To: Ori Kam <orika at nvidia.com>; Bing Zhao <bingz at nvidia.com>; NBU-
> Contact-Thomas Monjalon (EXTERNAL) <thomas at monjalon.net>;
> andrew.rybchenko at oktetlabs.ru
> Cc: dev at dpdk.org
> Subject: Re: [RFC PATCH] ethdev: introduce NAT64 action
> 
> External email: Use caution opening links or attachments
> 
> 
> On 9/21/2023 4:45 PM, Ferruh Yigit wrote:
> > On 9/19/2023 11:05 AM, Ori Kam wrote:
> >> Hi Bing
> >>
> >>> -----Original Message-----
> >>> From: Bing Zhao <bingz at nvidia.com>
> >>> Sent: Friday, August 11, 2023 5:07 PM
> >>> Subject: [RFC PATCH] ethdev: introduce NAT64 action
> >>>
> >>> In order to support the communication between IPv4 and IPv6 nodes in
> >>> the network, different technologies are used, like dual-stacks,
> >>> tunneling and NAT64. In some IPv4-only clients, it is hard to deploy
> >>> new software and hardware to support IPv6.
> >>>
> >>> NAT64 is a choice and it will also reduce the unnecessary overhead
> >>> of the traffic in the network. The NAT64 gateways take the
> >>> responsibility of the packet headers translation between the IPv6
> >>> clouds and IPv4-only clouds.
> >>>
> >>> This action should support the offloading of the IP headers'
> >>> translation. The following fields should be reset correctly in the
> >>> translation.
> >>>   - Version
> >>>   - Traffic Class / TOS
> >>>   - Flow Label (0 in v4)
> >>>   - Payload Length / Total length
> >>>   - Next Header
> >>>   - Hop Limit / TTL
> >>>
> >>> Since there are different mapping and translating modes of the
> >>> addresses, it will depend on the capabilities of each vendor.
> >>>
> >>> The ICMP* and transport layers protocol is out of the scope of NAT64
> >>> rte_flow action.
> >>>
> >>> Reference links:
> >>>   - https://datatracker.ietf.org/doc/html/rfc6146
> >>>   - https://datatracker.ietf.org/doc/html/rfc6052
> >>>   - https://datatracker.ietf.org/doc/html/rfc6145
> >>>
> >>> Signed-off-by: Bing Zhao <bingz at nvidia.com>
> >>> ---
> >>
> >> Acked-by: Ori Kam <orika at nvidia.com>
> >>
> >
> > Hi Bing,
> >
> > This is a RFC, but we are not having more comment & objection, so what
> > do you think to continue with a patch including testpmd implementation?
> >
> >
> 
> Hi Bing, what is the latest status of the patch?

BR. Bing