netdev - Re: [PATCH net-next v7 3/7] ixgbe: Add a RETA query command to VF-PF channel API

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Date:	Wed, 25 Mar 2015 21:51:15 +0200
From:	Vlad Zolotarov <vladz@...udius-systems.com>
To:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"avi@...udius-systems.com" <avi@...udius-systems.com>,
	"gleb@...udius-systems.com" <gleb@...udius-systems.com>
Subject: Re: [PATCH net-next v7 3/7] ixgbe: Add a RETA query command to VF-PF
 channel API



On 03/25/15 21:33, Tantilov, Emil S wrote:
>> -----Original Message-----
>> From: Vlad Zolotarov [mailto:vladz@...udius-systems.com]
>> Sent: Wednesday, March 25, 2015 12:22 PM
>> To: Tantilov, Emil S; netdev@...r.kernel.org
>> Cc: Kirsher, Jeffrey T; avi@...udius-systems.com; gleb@...udius-systems.com
>> Subject: Re: [PATCH net-next v7 3/7] ixgbe: Add a RETA query command to VF-PF channel API
>>
>>
>>
>>> On 03/25/15 20:03, Tantilov, Emil S wrote:
>
> 	<snip>
> 	
>>> There is no need to query the X550 info through the mailbox - this information can be obtained directly from the VF registers.
>> Unfortunately I couldn't find a x550 spec anywhere. Could u give me a pointer to it?
> There is no official documentation for X550 out yet AFAIK, but you can see how the RSS key and redirection table are populated in ixgbevf - ixgbevf_setup_vfmrqc(). Basically the info is in the IXGBE_VFRSSRK/RETA registers.
>
> Or you can just strip the X550 related code from your patches and we'll take care of it once we agree on the implementation.

I think I'll go for a second option since I can't check it anyway... ;)

>
> Thanks,
> Emil
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