Performance issue for Snow3G algorithm with DPDK 24.11 & IPSec 1.4

Performance issue for Snow3G algorithm with DPDK 24.11 & IPSec 1.4

[Sana Kamboj]

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Hello,

We are using Intel IPSec multi-buffer library for our software security needs for Snow3G, AES and ZUC algorithms.
Are there any known issues or recommendations for Snow3G algorithm with DPDK 24.11 and IPSec version 1.4?

We recently switched to using DPDK 24.11 with IPSec version 1.4 from DPDK 22.11 with IPSec version 1.2.
The AES and ZUC performance look good with the upgrade, but the Snow3G performance has degraded within our application.
We have been using AES-NI Multi Buffer Crypto Poll Mode Driver for all algorithms as the DPDK documentation recommends this for better performance and algorithm mixing.

When we tried SNOW3G Crypto Poll Mode Driver for Snow3G with DPDK 24.11 and IPSec version 1.4, it is somehow performing better than AES-NI Multi Buffer Crypto Poll Mode Driver.

FYI, the standalone application results utilizing dpdk-test-crypto-perf tool still look good for all algorithms on both IPSec versions.

Could you please help us figure out the could for the performance degradation with Snow3G on our internal application?

Thanks,
Sana


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