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From: "Ouyang, Changchun" <changchun.ouyang@intel.com>
To: Vlad Zolotarov <vladz@cloudius-systems.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v4 4/6] ether: Check VMDq RSS mode
Date: Mon, 5 Jan 2015 01:00:30 +0000	[thread overview]
Message-ID: <F52918179C57134FAEC9EA62FA2F96251194E0B8@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <54A90BC8.8020307@cloudius-systems.com>



> -----Original Message-----
> From: Vlad Zolotarov [mailto:vladz@cloudius-systems.com]
> Sent: Sunday, January 4, 2015 5:46 PM
> To: Ouyang, Changchun; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v4 4/6] ether: Check VMDq RSS mode
> 
> 
> On 01/04/15 10:58, Ouyang, Changchun wrote:
> >> -----Original Message-----
> >> From: Vlad Zolotarov [mailto:vladz@cloudius-systems.com]
> >> Sent: Sunday, January 4, 2015 4:45 PM
> >> To: Ouyang, Changchun; dev@dpdk.org
> >> Subject: Re: [dpdk-dev] [PATCH v4 4/6] ether: Check VMDq RSS mode
> >>
> >>
> >> On 01/04/15 09:18, Ouyang Changchun wrote:
> >>> Check mq mode for VMDq RSS, handle it correctly instead of returning
> >>> an error; Also remove the limitation of per pool queue number has
> >>> max value of 1, because the per pool queue number could be 2 or 4 if
> >>> it is VMDq RSS mode;
> >>>
> >>> The number of rxq specified in config will determine the mq mode for
> >> VMDq RSS.
> >>> Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
> >>> ---
> >>>    lib/librte_ether/rte_ethdev.c | 39
> >> ++++++++++++++++++++++++++++++++++-----
> >>>    1 file changed, 34 insertions(+), 5 deletions(-)
> >>>
> >>> diff --git a/lib/librte_ether/rte_ethdev.c
> >>> b/lib/librte_ether/rte_ethdev.c index 95f2ceb..59ff325 100644
> >>> --- a/lib/librte_ether/rte_ethdev.c
> >>> +++ b/lib/librte_ether/rte_ethdev.c
> >>> @@ -510,8 +510,7 @@ rte_eth_dev_check_mq_mode(uint8_t port_id,
> >>> uint16_t nb_rx_q, uint16_t nb_tx_q,
> >>>
> >>>    	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
> >>>    		/* check multi-queue mode */
> >>> -		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ||
> >>> -		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
> >>> +		if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
> >>>    		    (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB_RSS)
> >> ||
> >>>    		    (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB)) {
> >>>    			/* SRIOV only works in VMDq enable mode */ @@ -
> >> 525,7 +524,6 @@
> >>> rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q,
> >> uint16_t nb_tx_q,
> >>>    		}
> >>>
> >>>    		switch (dev_conf->rxmode.mq_mode) {
> >>> -		case ETH_MQ_RX_VMDQ_RSS:
> >>>    		case ETH_MQ_RX_VMDQ_DCB:
> >>>    		case ETH_MQ_RX_VMDQ_DCB_RSS:
> >>>    			/* DCB/RSS VMDQ in SRIOV mode, not implement
> >> yet */ @@ -534,6
> >>> +532,39 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t
> >> nb_rx_q, uint16_t nb_tx_q,
> >>>    					"unsupported VMDQ mq_mode
> >> rx %u\n",
> >>>    					port_id, dev_conf-
> >>> rxmode.mq_mode);
> >>>    			return (-EINVAL);
> >>> +		case ETH_MQ_RX_RSS:
> >>> +			PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
> >>> +					" SRIOV active, "
> >>> +					"Rx mq mode is changed from:"
> >>> +					"mq_mode %u into VMDQ
> >> mq_mode %u\n",
> >>> +					port_id,
> >>> +					dev_conf->rxmode.mq_mode,
> >>> +					dev->data-
> >>> dev_conf.rxmode.mq_mode);
> >>> +		case ETH_MQ_RX_VMDQ_RSS:
> >>> +			dev->data->dev_conf.rxmode.mq_mode =
> >> ETH_MQ_RX_VMDQ_RSS;
> >>> +			if (nb_rx_q <
> >> RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool) {
> 
> Missed that before: shouldn't it be "<=" here?

Agree with you, need <= here, I will fix it in v5

> 
> >>> +				switch (nb_rx_q) {
> >>> +				case 1:
> >>> +				case 2:
> >>> +					RTE_ETH_DEV_SRIOV(dev).active =
> >>> +						ETH_64_POOLS;
> >>> +					break;
> >>> +				case 4:
> >>> +					RTE_ETH_DEV_SRIOV(dev).active =
> >>> +						ETH_32_POOLS;
> >>> +					break;
> >>> +				default:
> >>> +					PMD_DEBUG_TRACE("ethdev
> >> port_id=%d"
> >>> +						" SRIOV active, "
> >>> +						"queue number invalid\n",
> >>> +						port_id);
> >>> +					return -EINVAL;
> >>> +				}
> >>> +				RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool =
> >> nb_rx_q;
> >>> +				RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx =
> >>> +					dev->pci_dev->max_vfs * nb_rx_q;
> >>> +			}
> >> Don't u need to return an error in the "else" here?
> > Actually it has such a check after these code snippet, and it does
> > return error for the else case, Because it is original logic, I don't change any
> code around it, so it doesn't display here, you can check the codes.
> 
> I see. The flow is a bit confusing since the switch-case above will end up
> executing a "default" clause which will set
> RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool to 1 and then the error message
> in the check u are referring will be a bit confusing.

' set RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool to 1 ' is original code, which is for vmdq only case, or single queue case.
It is in default clause, and not in VMDQ_RSS clause.
I think my new code is ok here.

> >
> > Thanks
> > Changchun
> >
> >

  reply	other threads:[~2015-01-05  1:01 UTC|newest]

Thread overview: 144+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-15  2:56 [dpdk-dev] [PATCH 0/6] Enable VF RSS for Niantic 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
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 [this message]
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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