From: "lihuisong (C)" <lihuisong@huawei.com>
To: Hemant Agrawal <hemant.agrawal@nxp.com>,
Ferruh Yigit <ferruh.yigit@amd.com>,
"dev@dpdk.org" <dev@dpdk.org>, Gagandeep Singh <G.Singh@nxp.com>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
"andrew.rybchenko@oktetlabs.ru" <andrew.rybchenko@oktetlabs.ru>,
"liuyonglong@huawei.com" <liuyonglong@huawei.com>
Subject: Re: [PATCH v3 1/2] examples/ptpclient: add the check for PTP capability
Date: Fri, 20 Oct 2023 12:05:19 +0800 [thread overview]
Message-ID: <f3be268b-9a3a-566f-765e-e7bebd1621cc@huawei.com> (raw)
In-Reply-To: <DB9PR04MB93320D6C8AF803440B3AC0C289F8A@DB9PR04MB9332.eurprd04.prod.outlook.com>
Hi Hemant and Ferruh,
在 2023/9/21 19:22, Hemant Agrawal 写道:
>> On 9/21/2023 10:18 AM, lihuisong (C) wrote:
>>> 在 2023/9/16 1:29, Ferruh Yigit 写道:
>>>> On 8/17/2023 9:42 AM, Huisong Li wrote:
>>>>> If a port doesn't support PTP, there is no need to keep running app.
>>>>> So this patch adds the check for PTP capability.
>>>>>
>>>>> Fixes: 7a04a4f67dca ("examples/ptpclient: enable Rx timestamp
>>>>> offload")
>>>>> Cc: stable@dpdk.org
>>>>>
>>>>> Signed-off-by: Huisong Li <lihuisong@huawei.com>
>>>>> Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
>>>>> ---
>>>>> examples/ptpclient/ptpclient.c | 5 +++++
>>>>> 1 file changed, 5 insertions(+)
>>>>>
>>>>> diff --git a/examples/ptpclient/ptpclient.c
>>>>> b/examples/ptpclient/ptpclient.c index cdf2da64df..181d8fb357 100644
>>>>> --- a/examples/ptpclient/ptpclient.c
>>>>> +++ b/examples/ptpclient/ptpclient.c
>>>>> @@ -196,6 +196,11 @@ port_init(uint16_t port, struct rte_mempool
>>>>> *mbuf_pool)
>>>>> if (dev_info.rx_offload_capa & RTE_ETH_RX_OFFLOAD_TIMESTAMP)
>>>>> port_conf.rxmode.offloads |=
>> RTE_ETH_RX_OFFLOAD_TIMESTAMP;
>>>>> + else {
>>>>> + printf("port(%u) doesn't support PTP: %s\n", port,
>>>>> + strerror(-retval));
>>>>> + return -ENOTSUP;
>>>>> + }
>>>>>
>>>> I am not sure why TIMESTAMP offload is required for PTP, I think
>>>> there is a confusion.
>>> If TIMESTAMP offload is not required for PTP, there isn't PTP offload
>>> in ethdev lib.
>>>
>> What do you mean with "PTP offload"?
>>
>> If you check the ptpclient sample app, it parses ptp packets in the application.
>>
>>>>
>>>> Gagandeep, Hemant,
>>>> Can you please clarify why TIMESTAMP offload is enabled?
>>> looking forward to your reply.
> [Hemant] as explained in other mail, it is a requirement for dpaa2. So, we are just passing the offload argument.
>
> Well, currently there is no such offload to know HW PTP support in DPDK. It can be introduced.
I agree with you, Heman.
>
> And I agree the above else should not be there atleast w.r.t TIMESTAMP OFFLOAD.
Ack.
@Ferruh, I wonder what you think. Looking forward to your reply.
>
>>>> .
next prev parent reply other threads:[~2023-10-20 4:05 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-28 13:39 [PATCH 0/3] some bugfixes for PTP Dongdong Liu
2022-06-28 13:39 ` [PATCH 1/3] examples/ptpclient: add the check for PTP capability Dongdong Liu
2022-06-28 13:39 ` [PATCH 2/3] net/hns3: fix fail to receive PTP packet Dongdong Liu
2022-06-28 13:39 ` [PATCH 3/3] ethdev: add the check for the valitity of timestamp offload Dongdong Liu
2022-07-02 8:17 ` [PATCH v2 0/3] some bugfixes for PTP Dongdong Liu
2022-07-02 8:17 ` [PATCH v2 1/3] examples/ptpclient: add the check for PTP capability Dongdong Liu
2022-07-02 8:17 ` [PATCH v2 2/3] net/hns3: fix fail to receive PTP packet Dongdong Liu
2022-07-02 8:17 ` [PATCH v2 3/3] ethdev: add the check for the valitity of timestamp offload Dongdong Liu
2022-07-06 14:57 ` Andrew Rybchenko
2022-07-07 2:05 ` lihuisong (C)
2023-08-17 8:42 ` [PATCH v3 0/2] ethdev: add the check for PTP capability Huisong Li
2023-08-17 8:42 ` [PATCH v3 1/2] examples/ptpclient: " Huisong Li
2023-09-15 17:29 ` Ferruh Yigit
2023-09-21 9:18 ` lihuisong (C)
2023-09-21 11:02 ` Ferruh Yigit
2023-09-21 11:22 ` Hemant Agrawal
2023-10-20 4:05 ` lihuisong (C) [this message]
2023-09-21 11:36 ` lihuisong (C)
2023-08-17 8:42 ` [PATCH v3 2/2] ethdev: add the check for the valitity of timestamp offload Huisong Li
2023-09-15 17:46 ` [PATCH v3 0/2] ethdev: add the check for PTP capability Ferruh Yigit
2023-09-21 10:02 ` lihuisong (C)
2023-09-21 11:06 ` Ferruh Yigit
2023-09-21 11:17 ` Hemant Agrawal
2023-10-20 3:58 ` lihuisong (C)
2023-11-01 23:39 ` Ferruh Yigit
2023-11-23 11:40 ` lihuisong (C)
2023-11-01 23:39 ` Ferruh Yigit
2023-09-21 11:59 ` lihuisong (C)
2023-11-01 23:39 ` Ferruh Yigit
2023-11-23 11:56 ` lihuisong (C)
2024-01-11 6:25 ` lihuisong (C)
2024-01-26 16:54 ` Ferruh Yigit
2024-01-27 1:52 ` lihuisong (C)
2024-01-29 11:16 ` Ferruh Yigit
2024-01-29 13:58 ` lihuisong (C)
2024-01-29 15:00 ` Ferruh Yigit
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