Re: Reg.dpdk reorder library usage

[Balakrishnan K <Balakrishnan.K1@tatacommunications.com>]

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Hi volodymyr,
  Thanks for the quick response.
Let me go through the test code and come back if i need any clarifications.

Thanks,
Bala

________________________________
From: Volodymyr Fialko <vfialko@marvell.com>
Sent: Monday, March 20, 2023, 4:50 PM
To: Balakrishnan K <Balakrishnan.K1@tatacommunications.com>; users@dpdk.org <users@dpdk.org>
Subject: RE: Reg.dpdk reorder library usage


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Hi,

Could you take a look at the app/test/test_reorder.c `test_reorder_drain()` test case. It follows your steps closely and includes comments that describe the internal state of buffers, which could be helpful during debugging.

From: Balakrishnan K <Balakrishnan.K1@tatacommunications.com>
Sent: Monday, March 20, 2023 11:54 AM
To: users@dpdk.org
Cc: Volodymyr Fialko <vfialko@marvell.com>
Subject: [EXT] Reg.dpdk reorder library usage

External Email
________________________________
Hi All,
     I am planning to use dpdk reorder library in my application.
Used reorder library API’s by refereeing  the packet ordering example.
Steps:
Our application uses dpdk pipeline.
1.read the packet from rx
2.Create the rte_reorder_create() if not created already or use the existing buffer.
3.iterate through the rx packets and set the sequence number using *rte_reorder_seqn(pkt) = seqn++.
4.insert the packets using the API rte_reorder_insert(ro_buf, pkt);
5.after insert completed I am using rte_reorder_drain API to get the reorder packets .

In step 5 always getting zero packets.
Even though all the rx packets are in order rte_reoder_drain API not giving the output.

Could any please help on this am I missing anything in the implementation .
How to use this library properly.
Tried to run the packet ordering example with 4 ports .
Sent traffic in port 1 there is no packet out in port 1 as mentioned in application example page.
https://doc.dpdk.org/guides/sample_app_ug/packet_ordering.html<https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttps-3A__doc.dpdk.org_guides_sample-5Fapp-5Fug_packet-5Fordering.html%26d%3DDwMFAg%26c%3DnKjWec2b6R0mOyPaz7xtfQ%26r%3D4iVvgx5PfauIDNaDpT1Ph7naVrkBkhwh2wdQ1AUXVjo%26m%3DLRnVWVWJFPG262ii-XDMQhsmNnSxIXzBIwBY_fRUQsmMdsEDvqC9-T16uF0eYOxo%26s%3D1Oji8GpXbRO608Vsx4e_m1MT1oOXqYA1hx5C6JSiDLY%26e%3D&data=05%7C01%7CBalakrishnan.K1%40tatacommunications.com%7C361fa04625c147b4fb0a08db29350923%7C202104622c5e4ec8b3e20be950f292ca%7C0%7C0%7C638149080000239969%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=P8ZAZ2wJY%2FTIqz9XnjvWusNy8iDSzbXvhYjDTJMgf%2Bc%3D&reserved=0>


Regards,
Bala


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