From: Eyal perry <eyalpe@dev•mellanox.co.il>
To: David Miller <davem@davemloft•net>, amirv@mellanox•com
Cc: netdev@vger•kernel.org, ben@decadent•org.uk,
ogerlitz@mellanox•com, yevgenyp@mellanox•com,
eyalpe@mellanox•com, thomas.lendacky@amd•com,
ariel.elior@qlogic•com, prashant@broadcom•com,
mchan@broadcom•com, hariprasad@chelsio•com,
sathya.perla@emulex•com, subbu.seetharaman@emulex•com,
ajit.khaparde@emulex•com, jeffrey.t.kirsher@intel•com,
jesse.brandeburg@intel•com, bruce.w.allan@intel•com,
carolyn.wyborny@intel•com, donald.c.skidmore@intel•com,
gregory.v.rose@intel•com, matthew.vick@intel•com,
john.ronciak@intel•com, mitch.a.williams@intel•com,
linux-net-drivers@solarflare•com, sshah@solarflare•com,
sbhatewara@vmware•com, pv-drivers@vmware•com
Subject: Re: [PATCH net-next V1 1/2] ethtool: Support for configurable RSS hash function
Date: Sun, 23 Nov 2014 12:13:54 +0200 [thread overview]
Message-ID: <5471B362.6050706@dev.mellanox.co.il> (raw)
In-Reply-To: <20141122.165407.641057904952001007.davem@davemloft.net>
On 11/22/2014 11:54 PM, David Miller wrote:
> From: Amir Vadai <amirv@mellanox•com>
> Date: Thu, 20 Nov 2014 16:26:49 +0200
>
>> + /* We require at least one supported parameter to be changed and no
>> + * change in any of the unsupported parameters
>> + */
>> + if ((!indir && !key) || hfunc != ETH_RSS_HASH_NO_CHANGE)
>> + return -EOPNOTSUPP;
>> +
>
> I know it will make more work for you, but all of these driver
> implementations of this hook should:
>
> 1) Accept hfunc of whatever hash function the chip is using,
> not just ETH_RSS_HASH_NO_CHANGE.
>
> 2) Provide an accurate hfunc value in the ->get() call.
Ok, I'll do it for V2.
> --
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>
next prev parent reply other threads:[~2014-11-23 10:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-20 14:26 [PATCH net-next V1 0/2] ethtool, net/mlx4_en: RSS hash function selection Amir Vadai
2014-11-20 14:26 ` [PATCH net-next V1 1/2] ethtool: Support for configurable RSS hash function Amir Vadai
2014-11-22 21:54 ` David Miller
2014-11-23 10:13 ` Eyal perry [this message]
2014-11-26 20:29 ` Eyal perry
2014-11-20 14:26 ` [PATCH net-next V1 2/2] net/mlx4_en: " Amir Vadai
2014-11-20 14:34 ` [PATCH net-next V1 0/2] ethtool, net/mlx4_en: RSS hash function selection Amir Vadai
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