patches for DPDK stable branches
 help / color / mirror / Atom feed
From: "lihuisong (C)" <lihuisong@huawei.com>
To: "Ye, MingjinX" <mingjinx.ye@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
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 18:17:37 +0800	[thread overview]
Message-ID: <7c88fd96-25cb-8a08-2305-9ab550776187@huawei.com> (raw)
In-Reply-To: <SN7PR11MB7139433A3D432924A21639F9E53B9@SN7PR11MB7139.namprd11.prod.outlook.com>


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.
>>>> 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 10:17 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) [this message]
2022-11-04 11:33               ` Ye, MingjinX
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=7c88fd96-25cb-8a08-2305-9ab550776187@huawei.com \
    --to=lihuisong@huawei.com \
    --cc=aman.deep.singh@intel.com \
    --cc=dev@dpdk.org \
    --cc=mingjinx.ye@intel.com \
    --cc=stable@dpdk.org \
    --cc=yidingx.zhou@intel.com \
    --cc=yuying.zhang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).