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Date: Thu, 11 Nov 2021 16:40:30 +0800
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Subject: Re: Question about RSS offload types
To: Thomas Monjalon <thomas@monjalon.net>
CC: "dev@dpdk.org" <dev@dpdk.org>, Ferruh Yigit <ferruh.yigit@intel.com>,
 <andrew.rybchenko@oktetlabs.ru>, <qi.z.zhang@intel.com>,
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References: <02f1634c-bd47-24f7-858b-80b3e006ea73@huawei.com>
 <5547595.6aP3pihIX3@thomas>
From: "lihuisong (C)" <lihuisong@huawei.com>
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Hi, PMD maintainers

How do you understand and implement these values?

Looking forward to your reply.

Thanks.


在 2021/11/3 16:04, Thomas Monjalon 写道:
> 03/11/2021 02:35, lihuisong (C):
>> Below macros are defined for RSS offload types in rte_ethdev.h.
>>
>> #define *ETH_RSS_IPV4 *              (1ULL << 2)
>> #define ETH_RSS_FRAG_IPV4          (1ULL << 3)
>> #define ETH_RSS_NONFRAG_IPV4_TCP   (1ULL << 4)
>> #define ETH_RSS_NONFRAG_IPV4_UDP   (1ULL << 5)
>> #define ETH_RSS_NONFRAG_IPV4_SCTP  (1ULL << 6)
>> #define *ETH_RSS_NONFRAG_IPV4_OTHER* (1ULL << 7)
>>
>> What types of packets do ETH_RSS_IPV4 and ETH_RSS_NONFRAG_IPV4_OTHER refer
>> to respectively, and what are the differences between them?
> I understand why you have this question,
> but we should not have this kind of basic question if the API
> was properly documented.
> Please let's check all PMDs have the same expectation regarding
> these values and let's document it with Doxygen comments.
>
> PMD maintainers, how do you understand and implement these values?
>
>
> .