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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