netdev - Re: [PATCH v5 net-next 0/2] patchset: Support for configurable RSS hash key

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Message-Id: <20140401.122016.1850526829984133014.davem@davemloft.net>
Date:	Tue, 01 Apr 2014 12:20:16 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	VenkatKumar.Duvvuru@...lex.Com
Cc:	ben@...adent.org.uk, netdev@...r.kernel.org
Subject: Re: [PATCH v5 net-next 0/2] patchset: Support for configurable RSS
 hash key

From: Venkata Duvvuru <VenkatKumar.Duvvuru@...lex.Com>
Date: Tue, 1 Apr 2014 15:19:48 +0000

>> > By grouping the key and hash together, with some reserved fields
>> > (which the setter should initially require to be equal to zero), it
>> > should be possible to fill in support for numbered RSS contexts later
>> > without yet another new structure and operations.
> 
> 
>> If that is the case, why don't we add from the start a "u32 rss_context;"
>> field that has to be set to zero for now?
> 
> The current structure has got three u32 reserved fields already. We could use one of them when the support is added.

Just do as I said, naming one of those to "rss_context" now, and require
that it be zero.
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