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From: Bruce Richardson <bruce.richardson@intel.com>
To: "Ouyang, Changchun" <changchun.ouyang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v3 0/6] Enable VF RSS for Niantic
Date: Mon, 5 Jan 2015 10:38:02 +0000	[thread overview]
Message-ID: <20150105103802.GB13152@bricha3-MOBL3> (raw)
In-Reply-To: <F52918179C57134FAEC9EA62FA2F96251194A6CD@shsmsx102.ccr.corp.intel.com>

On Thu, Dec 25, 2014 at 01:46:54AM +0000, Ouyang, Changchun wrote:
> Hi,
> 
> > -----Original Message-----
> > From: Vlad Zolotarov [mailto:vladz@cloudius-systems.com]
> > Sent: Wednesday, December 24, 2014 5:59 PM
> > To: Ouyang, Changchun; dev@dpdk.org
> > Subject: Re: [dpdk-dev] [PATCH v3 0/6] Enable VF RSS for Niantic
> > 
 > 
> > On the contrary - it's a very good idea! We use DPDK on Amazon's guests
> > with enhanced networking and we have no access to the PF. We still need to
> > know the RSS redirection rules for our VF pool. From the 82599 spec, chapter
> > 4.6.10.1.1: "redirection table is common to all the pools and only indicates the
> > queue inside the pool to use once the pool is chosen". In that case we need
> > to get the whole 128 entries of the RETA. Is there a reason why we can't have
> > it?
> >
> Due to hardware limitation, VF could not query its own reta table, because there is not its own reta,
> The reta table shared by pf and all vfs.
> If you need know it, query them on pf is feasible way to do it.
>
It's not feasible if you only have access to a guest. :-) 
IMHO since the guest is seeing the results of the RSS redirection table, 
it should be able to query the table, if it wants. It should not, however, 
be able to modify the table, as it is owned by the PF.

Regards,
/Bruce

  reply	other threads:[~2015-01-05 10:38 UTC|newest]

Thread overview: 144+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-15  2:56 [dpdk-dev] [PATCH " Ouyang Changchun
2014-12-15  2:57 ` [dpdk-dev] [PATCH 1/6] ixgbe: Code cleanup Ouyang Changchun
2014-12-15  2:57 ` [dpdk-dev] [PATCH 2/6] ixgbe: Negotiate VF API version Ouyang Changchun
2014-12-15  2:57 ` [dpdk-dev] [PATCH 3/6] ixgbe: Get VF queue number Ouyang Changchun
2014-12-15  2:57 ` [dpdk-dev] [PATCH 4/6] ether: Check VMDq RSS mode Ouyang Changchun
2014-12-15  2:57 ` [dpdk-dev] [PATCH 5/6] ixgbe: Config VF RSS Ouyang Changchun
2014-12-15  2:57 ` [dpdk-dev] [PATCH 6/6] testpmd: Set Rx VMDq RSS mode Ouyang Changchun
2014-12-15 10:55 ` [dpdk-dev] [PATCH 0/6] Enable VF RSS for Niantic Bruce Richardson
2014-12-16  0:58   ` Ouyang, Changchun
2014-12-24  2:56 ` [dpdk-dev] [PATCH v2 " Ouyang Changchun
2014-12-24  2:56   ` [dpdk-dev] [PATCH v2 1/6] ixgbe: Code cleanup Ouyang Changchun
2014-12-24  3:08     ` Zhang, Helin
2014-12-24  3:22       ` Ouyang, Changchun
2014-12-24  3:41         ` Zhang, Helin
2014-12-24  3:50           ` Ouyang, Changchun
2014-12-24  3:53             ` Zhang, Helin
2014-12-24  4:46               ` Ouyang, Changchun
2014-12-24  2:56   ` [dpdk-dev] [PATCH v2 2/6] ixgbe: Negotiate VF API version Ouyang Changchun
2014-12-24  2:56   ` [dpdk-dev] [PATCH v2 3/6] ixgbe: Get VF queue number Ouyang Changchun
2014-12-24  2:56   ` [dpdk-dev] [PATCH v2 4/6] ether: Check VMDq RSS mode Ouyang Changchun
2014-12-24  2:56   ` [dpdk-dev] [PATCH v2 5/6] ixgbe: Config VF RSS Ouyang Changchun
2014-12-24  2:56   ` [dpdk-dev] [PATCH v2 6/6] testpmd: Set Rx VMDq RSS mode Ouyang Changchun
2014-12-24  5:22   ` [dpdk-dev] [PATCH v3 0/6] Enable VF RSS for Niantic Ouyang Changchun
2014-12-24  5:22     ` [dpdk-dev] [PATCH v3 1/6] ixgbe: Code cleanup Ouyang Changchun
2014-12-24  5:23     ` [dpdk-dev] [PATCH v3 2/6] ixgbe: Negotiate VF API version Ouyang Changchun
2014-12-24  5:23     ` [dpdk-dev] [PATCH v3 3/6] ixgbe: Get VF queue number Ouyang Changchun
2014-12-24  5:23     ` [dpdk-dev] [PATCH v3 4/6] ether: Check VMDq RSS mode Ouyang Changchun
2014-12-24  5:23     ` [dpdk-dev] [PATCH v3 5/6] ixgbe: Config VF RSS Ouyang Changchun
2014-12-24 10:39       ` Vlad Zolotarov
2014-12-25  2:14         ` Ouyang, Changchun
2014-12-25 13:13           ` Vlad Zolotarov
2014-12-26  2:07             ` Ouyang, Changchun
2014-12-25  2:43         ` Ouyang, Changchun
2014-12-25 13:20           ` Vlad Zolotarov
2014-12-26  1:52             ` Ouyang, Changchun
2014-12-26  6:49               ` Vladislav Zolotarov
2014-12-26  7:26                 ` Ouyang, Changchun
2014-12-26  7:37                   ` Vladislav Zolotarov
2014-12-26  8:45                     ` Ouyang, Changchun
2014-12-28 10:14                       ` Vlad Zolotarov
2015-01-05 10:29               ` Bruce Richardson
2015-01-06  1:00                 ` Ouyang, Changchun
2014-12-25 13:38           ` Vlad Zolotarov
2014-12-26  1:26             ` Ouyang, Changchun
2015-01-04  2:10       ` Liang, Cunming
2015-01-04  6:25         ` Ouyang, Changchun
2014-12-24  5:23     ` [dpdk-dev] [PATCH v3 6/6] testpmd: Set Rx VMDq RSS mode Ouyang Changchun
2014-12-24  9:59     ` [dpdk-dev] [PATCH v3 0/6] Enable VF RSS for Niantic Vlad Zolotarov
2014-12-25  1:46       ` Ouyang, Changchun
2015-01-05 10:38         ` Bruce Richardson [this message]
2015-01-05 13:02           ` Vlad Zolotarov
2015-01-06  1:11             ` Ouyang, Changchun
2015-01-06 11:18               ` Vlad Zolotarov
2015-01-06 11:18               ` Vlad Zolotarov
2015-01-06  1:04           ` Ouyang, Changchun
2014-12-24 10:49     ` Vlad Zolotarov
2014-12-25  2:26       ` Ouyang, Changchun
2014-12-25 12:46         ` Vlad Zolotarov
2014-12-26  2:37           ` Ouyang, Changchun
     [not found]             ` <CAOYyTHbrB-VinN5ZEd1tYTnS7_GhCT1jiHiZzNKkQUEJ1rG79w@mail.gmail.com>
2014-12-26  5:16               ` Vladislav Zolotarov
2014-12-26  5:25                 ` Ouyang, Changchun
2015-01-04  7:18     ` [dpdk-dev] [PATCH v4 " Ouyang Changchun
2015-01-04  7:18       ` [dpdk-dev] [PATCH v4 1/6] ixgbe: Code cleanup Ouyang Changchun
2015-01-04  8:22         ` Vlad Zolotarov
2015-01-04  7:18       ` [dpdk-dev] [PATCH v4 2/6] ixgbe: Negotiate VF API version Ouyang Changchun
2015-01-04  8:26         ` Vlad Zolotarov
2015-01-04  8:30           ` Vlad Zolotarov
2015-01-04  8:37             ` Ouyang, Changchun
2015-01-04  8:40               ` Vlad Zolotarov
2015-01-04  8:51                 ` Ouyang, Changchun
2015-01-04  9:37                   ` Vlad Zolotarov
2015-01-04  7:18       ` [dpdk-dev] [PATCH v4 3/6] ixgbe: Get VF queue number Ouyang Changchun
2015-01-04  8:38         ` Vlad Zolotarov
2015-01-05  2:59           ` Ouyang, Changchun
2015-01-05 10:07             ` Vlad Zolotarov
2015-01-06  1:54               ` Ouyang, Changchun
2015-01-06 11:26                 ` Vlad Zolotarov
2015-01-07  1:18                   ` Ouyang, Changchun
2015-01-04  7:18       ` [dpdk-dev] [PATCH v4 4/6] ether: Check VMDq RSS mode Ouyang Changchun
2015-01-04  8:45         ` Vlad Zolotarov
2015-01-04  8:58           ` Ouyang, Changchun
2015-01-04  9:45             ` Vlad Zolotarov
2015-01-05  1:00               ` Ouyang, Changchun
2015-01-05 10:09                 ` Vlad Zolotarov
2015-01-06  1:56                   ` Ouyang, Changchun
2015-01-06 19:56                     ` Vlad Zolotarov
2015-01-07  2:28                       ` Ouyang, Changchun
2015-01-04  7:18       ` [dpdk-dev] [PATCH v4 5/6] ixgbe: Config VF RSS Ouyang Changchun
2015-01-04  7:18       ` [dpdk-dev] [PATCH v4 6/6] testpmd: Set Rx VMDq RSS mode Ouyang Changchun
2015-01-04  8:49         ` Vlad Zolotarov
2015-01-04  9:01           ` Ouyang, Changchun
2015-01-04  9:46             ` Vlad Zolotarov
2015-01-05  2:38               ` Ouyang, Changchun
2015-01-05 10:12                 ` Vlad Zolotarov
2015-01-06  2:01                   ` Ouyang, Changchun
2015-01-06 12:53                     ` Vlad Zolotarov
2015-01-07  1:50                       ` Ouyang, Changchun
2015-01-07  6:32       ` [dpdk-dev] [PATCH v5 0/6] Enable VF RSS for Niantic Ouyang Changchun
2015-01-07  6:32         ` [dpdk-dev] [PATCH v5 1/6] ixgbe: Code cleanup Ouyang Changchun
2015-01-07  6:32         ` [dpdk-dev] [PATCH v5 2/6] ixgbe: Negotiate VF API version Ouyang Changchun
2015-01-07  6:32         ` [dpdk-dev] [PATCH v5 3/6] ixgbe: Get VF queue number Ouyang Changchun
2015-01-08  9:01           ` Vlad Zolotarov
2015-01-07  6:32         ` [dpdk-dev] [PATCH v5 4/6] ether: Check VMDq RSS mode Ouyang Changchun
2015-01-08  9:19           ` Vlad Zolotarov
2015-01-08 18:48             ` Vlad Zolotarov
2015-01-09  5:54               ` Ouyang, Changchun
2015-01-09 13:49                 ` Vlad Zolotarov
2015-01-12  3:41                   ` Ouyang, Changchun
2015-01-12 13:58                     ` Vlad Zolotarov
2015-01-13  1:50                       ` Ouyang, Changchun
2015-01-13  9:00                         ` Vlad Zolotarov
2015-01-14  0:44                           ` Ouyang, Changchun
2015-01-07  6:32         ` [dpdk-dev] [PATCH v5 5/6] ixgbe: Config VF RSS Ouyang Changchun
2015-01-08  9:43           ` Vlad Zolotarov
2015-01-09  6:07             ` Ouyang, Changchun
2015-01-09 14:01               ` Vlad Zolotarov
2015-01-12  5:11                 ` Ouyang, Changchun
2015-01-07  6:32         ` [dpdk-dev] [PATCH v5 6/6] testpmd: Set Rx VMDq RSS mode Ouyang Changchun
2015-01-08  9:46           ` Vlad Zolotarov
2015-01-08  9:56         ` [dpdk-dev] [PATCH v5 0/6] Enable VF RSS for Niantic Vlad Zolotarov
2015-01-18 21:58           ` Thomas Monjalon
2015-01-19  9:40             ` Vlad Zolotarov
2015-01-12  5:59         ` [dpdk-dev] [PATCH v6 " Ouyang Changchun
2015-01-12  5:59           ` [dpdk-dev] [PATCH v6 1/6] ixgbe: Code cleanup Ouyang Changchun
2015-01-12  5:59           ` [dpdk-dev] [PATCH v6 2/6] ixgbe: Negotiate VF API version Ouyang Changchun
2015-01-12  5:59           ` [dpdk-dev] [PATCH v6 3/6] ixgbe: Get VF queue number Ouyang Changchun
2015-01-19  9:13             ` Wodkowski, PawelX
2015-01-20  0:54               ` Ouyang, Changchun
2015-01-12  5:59           ` [dpdk-dev] [PATCH v6 4/6] ether: Check VMDq RSS mode Ouyang Changchun
2015-01-12 14:06             ` Vlad Zolotarov
2015-01-18 22:04             ` Thomas Monjalon
2015-01-19 10:31             ` Wodkowski, PawelX
2015-01-20  1:03               ` Ouyang, Changchun
2015-01-12  5:59           ` [dpdk-dev] [PATCH v6 5/6] ixgbe: Config VF RSS Ouyang Changchun
2015-01-12 14:04             ` Vlad Zolotarov
2015-01-20  9:35             ` Wodkowski, PawelX
2015-01-21  2:43               ` Ouyang, Changchun
2015-01-21  8:44                 ` Wodkowski, PawelX
2015-01-22 12:59                   ` Vlad Zolotarov
2015-01-22 13:19                     ` Wodkowski, PawelX
2015-01-12  5:59           ` [dpdk-dev] [PATCH v6 6/6] testpmd: Set Rx VMDq RSS mode Ouyang Changchun
2015-01-12 14:05             ` Vlad Zolotarov
2015-01-18 22:24           ` [dpdk-dev] [PATCH v6 0/6] Enable VF RSS for Niantic Thomas Monjalon
2015-01-19  4:51             ` Ouyang, Changchun

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