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

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Message-ID: <87618083B2453E4A8714035B62D6799250275E65@FMSMSX105.amr.corp.intel.com>
Date:	Wed, 25 Mar 2015 19:33:14 +0000
From:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
To:	Vlad Zolotarov <vladz@...udius-systems.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

>-----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.

Thanks,
Emil
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