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From: "Ye, MingjinX" <mingjinx.ye@intel.com>
To: "lihuisong (C)" <lihuisong@huawei.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"andrew.rybchenko@oktetlabs.ru" <andrew.rybchenko@oktetlabs.ru>
Cc: "stable@dpdk.org" <stable@dpdk.org>,
	"Zhou, YidingX" <yidingx.zhou@intel.com>,
	"Singh, Aman Deep" <aman.deep.singh@intel.com>,
	"Zhang, Yuying" <yuying.zhang@intel.com>
Subject: RE: [PATCH v4 1/2] app/testpmd: fix vlan offload of rxq
Date: Fri, 4 Nov 2022 11:33:00 +0000	[thread overview]
Message-ID: <SN7PR11MB7139B64776E8E7054019D593E53B9@SN7PR11MB7139.namprd11.prod.outlook.com> (raw)
In-Reply-To: <7c88fd96-25cb-8a08-2305-9ab550776187@huawei.com>



> -----Original Message-----
> From: lihuisong (C) <lihuisong@huawei.com>
> Sent: 2022年11月4日 18:18
> To: Ye, MingjinX <mingjinx.ye@intel.com>; dev@dpdk.org
> Cc: stable@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>; Singh, Aman
> Deep <aman.deep.singh@intel.com>; Zhang, Yuying
> <yuying.zhang@intel.com>
> Subject: Re: [PATCH v4 1/2] app/testpmd: fix vlan offload of rxq
> 
> 
> 在 2022/11/4 16:21, Ye, MingjinX 写道:
> >
> >> -----Original Message-----
> >> From: lihuisong (C) <lihuisong@huawei.com>
> >> Sent: 2022年11月3日 15:01
> >> To: Ye, MingjinX <mingjinx.ye@intel.com>; dev@dpdk.org
> >> Cc: stable@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>; Singh,
> >> Aman Deep <aman.deep.singh@intel.com>; Zhang, Yuying
> >> <yuying.zhang@intel.com>
> >> Subject: Re: [PATCH v4 1/2] app/testpmd: fix vlan offload of rxq
> >>
> >>
> >> 在 2022/11/3 9:28, Ye, MingjinX 写道:
> >>>> -----Original Message-----
> >>>> From: lihuisong (C) <lihuisong@huawei.com>
> >>>> Sent: 2022年10月28日 10:09
> >>>> To: Ye, MingjinX <mingjinx.ye@intel.com>; dev@dpdk.org
> >>>> Cc: stable@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>; Singh,
> >>>> Aman Deep <aman.deep.singh@intel.com>; Zhang, Yuying
> >>>> <yuying.zhang@intel.com>
> >>>> Subject: Re: [PATCH v4 1/2] app/testpmd: fix vlan offload of rxq
> >>>>
> >>>>
> >>>> 在 2022/10/27 19:02, Ye, MingjinX 写道:
> >>>>> Hi lihuisong,
> >>>>>
> >>>>> This means that queue offloads need to update by recalling
> >>>>> dev_configure and setup target queues.
> >>>> Why not update queue offloads in PMD?
> >>>>> Can you tell me, where is the limitation?
> >>>> According to other Rx/Tx offload configurations, this may not be a
> >> limitation.
> >>>> But it seems to create a dependency on user usage.
> >>>>
> >>>> Port VLAN releated offloads are set by ethdev ops. There is no
> >>>> requirement in ehedev layer that this port needs to stopped when
> >>>> set
> >> these offloads.
> >>>> Now it depends on user does recall dev_configure and setup queues
> >>>> to update queue offloads because of setting these offloads.
> >>>>> Thanks,
> >>>>> Mingjin
> >>>>>
> >>>>>> -----Original Message-----
> >>>>>> From: lihuisong (C) <lihuisong@huawei.com>
> >>>>>> Sent: 2022年10月26日 17:53
> >>>>>> To: Ye, MingjinX <mingjinx.ye@intel.com>; dev@dpdk.org
> >>>>>> Cc: stable@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>;
> >>>>>> Singh, Aman Deep <aman.deep.singh@intel.com>; Zhang, Yuying
> >>>>>> <yuying.zhang@intel.com>
> >>>>>> Subject: Re: [PATCH v4 1/2] app/testpmd: fix vlan offload of rxq
> >>>>>>
> >>>>>>
> >>>>>> 在 2022/10/27 1:10, Mingjin Ye 写道:
> >>>>>>> After setting vlan offload in testpmd, the result is not updated
> >>>>>>> to rxq. Therefore, the queue needs to be reconfigured after
> >>>>>>> executing the "vlan offload" related commands.
> >>>>>>>
> >>>>>>> Fixes: a47aa8b97afe ("app/testpmd: add vlan offload support")
> >>>>>>> Cc: stable@dpdk.org
> >>>>>>>
> >>>>>>> Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com>
> >>>>>>> ---
> >>>>>>>      app/test-pmd/cmdline.c | 1 +
> >>>>>>>      1 file changed, 1 insertion(+)
> >>>>>>>
> >>>>>>> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
> >>>>>>> index 17be2de402..ce125f549f 100644
> >>>>>>> --- a/app/test-pmd/cmdline.c
> >>>>>>> +++ b/app/test-pmd/cmdline.c
> >>>>>>> @@ -4133,6 +4133,7 @@ cmd_vlan_offload_parsed(void
> >> *parsed_result,
> >>>>>>>      	else
> >>>>>>>      		vlan_extend_set(port_id, on);
> >>>>>>>
> >>>>>>> +	cmd_reconfig_device_queue(port_id, 1, 1);
> >>>> In addition, I have some comments:
> >>>> 1) Normally, the parsed function of testpmd command needed to
> >>>> re-config port and queue needs to check if port status is STOPED.
> >>>> Why don't you add this check?
> >>> The check is exist.
> >> Where is the check? Currently, it seems that this check does not
> >> exist in the this command parsed function.
> > Check if the port is forwarded, in the source file test-pmd.c:2835.
> I don't understand why you mention the check in start_port(). It should be
> done in command parsed link other command.

The command types include configuration and show these two types of commands.
show commands: There is no need to judge whether the port has stopped working.
configuration commands: Not all commands need to stop the port, there will be judgment if necessary.

Hi, @andrew.rybchenko@oktetlabs.ru can you please help review this patch? Thanks.

> >>>> If the check is not exist, queue offloads are not updated until the
> >>>> next port stop/start command is executed. Right?
> >>> yes
> >>>> 2) Why is the queue-based VLAN offload API not used?
> >>> VLAN offload is a port-related configuration. If a single port is
> >>> changed, the associated queue needs to be all updated in
> >>> configuration. Therefore, there will be no additional api to configure.
> >>>>       Like, rte_eth_dev_set_vlan_strip_on_queue. It seems that this
> >>>> kind of API is
> >>>>       dedicated to do this.
> >>>>>> This means that queue offloads need to upadte by re-calling
> >>>>>> dev_configure and setup all queues, right?
> >>>>>> If it is, this adds a usage limitation.
> >>>>>>>      	return;
> >>>>>>>      }
> >>>>>>>

  reply	other threads:[~2022-11-04 11:33 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-26 17:10 Mingjin Ye
2022-10-26  9:52 ` lihuisong (C)
2022-10-27 11:02   ` Ye, MingjinX
2022-10-28  2:09     ` lihuisong (C)
2022-11-03  1:28       ` Ye, MingjinX
2022-11-03  7:01         ` lihuisong (C)
2022-11-04  8:21           ` Ye, MingjinX
2022-11-04 10:17             ` lihuisong (C)
2022-11-04 11:33               ` Ye, MingjinX [this message]
2022-11-06 10:32                 ` Andrew Rybchenko
2022-11-07  7:18                   ` Ye, MingjinX
2022-10-26 17:10 ` [PATCH v4 2/2] net/ice: fix vlan offload Mingjin Ye
2022-10-27  8:36   ` Huang, ZhiminX
2022-10-27  8:36 ` [PATCH v4 1/2] app/testpmd: fix vlan offload of rxq Huang, ZhiminX
2022-10-27 13:16   ` Singh, Aman Deep
2022-11-08 13:28 ` [PATCH v5 1/2] net/ice: fix vlan offload Mingjin Ye
2022-11-08 13:28   ` [PATCH v5 2/2] net/ice: fix vlan offload of rxq Mingjin Ye
2022-11-09  1:52     ` Huang, ZhiminX
2022-11-21  2:54     ` [PATCH v6] doc: add PMD known issue Mingjin Ye
2022-11-25  1:55       ` Ye, MingjinX
2022-12-09 10:20         ` Ye, MingjinX
2022-12-13  1:41       ` Zhang, Qi Z
2022-12-13  4:25         ` Ye, MingjinX
2022-12-23  7:32       ` [PATCH v7] " Mingjin Ye
2022-12-26  2:52       ` Mingjin Ye
2022-12-27  9:00       ` Mingjin Ye
2022-12-27 16:40         ` Stephen Hemminger
2023-01-28  6:01         ` [PATCH v8] " Mingjin Ye
2023-01-28 17:17           ` Stephen Hemminger
2023-02-02  2:30             ` Ye, MingjinX
2022-11-09  1:51   ` [PATCH v5 1/2] net/ice: fix vlan offload Huang, ZhiminX
2022-11-11  3:34   ` Ye, MingjinX
  -- strict thread matches above, loose matches on Subject: below --
2022-10-27 11:09 [PATCH v4 1/2] app/testpmd: fix vlan offload of rxq Ye, MingjinX
2022-10-24 17:27 Mingjin Ye
2022-10-24 16:24 Mingjin Ye
2022-10-24 15:44 Mingjin Ye

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