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b=xdYrehF720wkjrp25K5b44xaKAm0fRFENErUEJeheZzz87R2sghYS8YPXtyF9694xrwrEaA+8Mk0HYA2bzxfb4LA4+FakKS6FNU+FYlolw0m62GNMHAvwI9mItC91+6kwbiZhX3QjPO39VgQ+1bevfCfSlmBYdbUcsfrc+mKa1k= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from CH2PR12MB4294.namprd12.prod.outlook.com (2603:10b6:610:a9::11) by BN9PR12MB5226.namprd12.prod.outlook.com (2603:10b6:408:11f::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6863.38; Tue, 10 Oct 2023 09:55:36 +0000 Received: from CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::102f:c69b:d3e5:7fe8]) by CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::102f:c69b:d3e5:7fe8%4]) with mapi id 15.20.6863.032; Tue, 10 Oct 2023 09:55:36 +0000 Message-ID: <4f7dea6f-eb7a-4f9d-865c-e1f518269393@amd.com> Date: Tue, 10 Oct 2023 10:55:31 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH] ethdev: introduce NAT64 action Content-Language: en-US From: Ferruh Yigit To: Ori Kam , Bing Zhao , "NBU-Contact-Thomas Monjalon (EXTERNAL)" , "andrew.rybchenko@oktetlabs.ru" Cc: "dev@dpdk.org" References: <20230811140701.372151-1-bingz@nvidia.com> <1b3962a8-e8db-45aa-95e7-986d7ee9b37d@amd.com> Autocrypt: addr=ferruh.yigit@amd.com; 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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 >>> --- >> >> Acked-by: Ori Kam >> > > 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?