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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Shahaf Shuler <shahafs@mellanox.com>,
	Thomas Monjalon <thomas@monjalon.net>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"Xueming(Steven) Li" <xuemingl@mellanox.com>,
	Wei Dai <wei.dai@intel.com>, Qi Zhang <qi.z.zhang@intel.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>
Subject: Re: [dpdk-dev] [PATCH] ethdev: force RSS offload rules again
Date: Sun, 3 Jun 2018 15:15:09 +0100	[thread overview]
Message-ID: <ddc80e16-f779-7eee-d6d4-f40f311ef3f8@intel.com> (raw)
In-Reply-To: <VI1PR05MB443154231B403543F6DD9372C3600@VI1PR05MB4431.eurprd05.prod.outlook.com>

On 6/3/2018 11:41 AM, Shahaf Shuler wrote:
> Thursday, May 31, 2018 4:23 PM, Ferruh Yigit:
>> Subject: [PATCH] ethdev: force RSS offload rules again
>>
>> PMDs should provide supported RSS hash functions via
>> dev_info.flow_type_rss_offloads variable.
>>
>> There is a check in ethdev if requested RSS hash function is supported by
>> PMD or not.
>> This check has been relaxed in previous release to not return an error when a
>> non supported has function requested [1], this has been done to not break
>> the applications.
>>
>> Adding the error return back.
>> PMDs need to provide correct list of supported hash functions and
>> applications need to take care this information before configuring the RSS
>> otherwise they will get an error from APIs:
>> rte_eth_dev_rss_hash_update()
>> rte_eth_dev_configure()
> 
> Are the current app/examples in DPDK tree behave accordingly?  

I tried a few which were good but I don't know about all.

That is why we should merge this patch early so that we can detect and fix ones
fails.

  reply	other threads:[~2018-06-03 14:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-31 13:22 Ferruh Yigit
2018-06-03 10:41 ` Shahaf Shuler
2018-06-03 14:15   ` Ferruh Yigit [this message]
2018-06-04  7:56     ` Shahaf Shuler
2018-06-13 15:19       ` Thomas Monjalon

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