release candidate 21.05-rc2

A new DPDK release candidate is ready for testing:

	https://git.dpdk.org/dpdk/tag/?id=v21.05-rc2

There are 296 new patches in this snapshot, most of them adding or fixing features in drivers.

Release notes:

	https://doc.dpdk.org/guides/rel_notes/release_21_05.html

Please test and report issues on bugs.dpdk.org.

DPDK 21.05-rc3 is expected in one week.
If there are exceptional issues to meet the schedule, especially in India, let's discuss how we can accomodate.

Thank you everyone, take care.

All,

Update the test status for Intel part. Till now dpdk21.05-rc2 test is almost finished, find 1 critical bad commit id: "b7aaf417f9 raw/ioat: add bus driver for device scanning automatically", which blocked most of VF/kni test. Bruce has worked on this and has provided patch(http://patches.dpdk.org/project/dpdk/patch/[email protected]/ ) to fix. The patch has been verified passed by Validation team and applied by Thomas in May-10.

# Basic Intel(R) NIC testing
* Build or compile:
*Build: cover the build test combination with latest GCC/Clang/ICC version and the popular OS revision such as Ubuntu20.04, CentOS Stream 8, etc.
- All passed.
*Compile: cover the CFLAGES(O0/O1/O2/O3) with popular OS such as Ubuntu20.04 and CentOS Stream 8.
- All passed.

* PF(i40e, ixgbe and igb): test scenarios including RTE_FLOW/TSO/Jumboframe/checksum offload/VLAN/VXLAN, etc.
- All tests are done.
- 3 new bugs about critical bad commit id and DPDK PF+DPDK VF:launch testpmd failed by using VF are found.
- 7 bugs are found in RC1 still not be fixed. 2 bugs have dpdk patch which is not merged, 2 bugs are belong to HSD issue.
> 3 bugs are reported in bugzilla:
* https://bugs.dpdk.org/show_bug.cgi?id=687
* https://bugs.dpdk.org/show_bug.cgi?id=688 (nvidia dev has provided patch, but not be merged in RC2.)
* https://bugs.dpdk.org/show_bug.cgi?id=693
> Other bugs are about csum fwd mode can not transmit packet,i40e ddp_gtp flow_director_filter take no effect, etc. Intel Dev. are working on them.

* VF(i40e, ixgbe and igb): test scenarios including VF-RTE_FLOW/TSO/Jumboframe/checksum offload/VLAN/VXLAN, etc.
- All tests are done. Besides issue about DPDK PF+DPDK VF: launch testpmd failed by using VF blocked test, others are known issues.

* PF/VF(ICE): test scenarios including /Switch features/Package Management/Flow Director/Advanced Tx/Advanced RSS/ACL/DCF/Share code update/Flexible Descriptor, etc.
- All tests are done.
- 2 bugs about rss_pppoe add rss cfg failed and ip_fragment_pf_rss hash issue are found in RC2, others are known issues.
- Issues about QinQ&DCF issues in RC1 have been fixed in RC2, GTPOGRE issue has dpdk patch, but not been merged in RC2. Intel Dev. are working on other bugs.

* Intel NIC single core/NIC performance: test scenarios including PF/VF single core performance test, RFC2544 Zero packet loss performance test, etc.
- All passed.
- Issue about perf drops about 20% when use iavf to test multi-queue single core performance in RC1 has been fixed in RC2.

* Power and IPsec:
* Power: test scenarios including bi-direction/Telemetry/Empty Poll Lib/Priority Base Frequency and so on.
- All tests are done. Besides critical bad commit id issue, no new issue is found.
- Issue about launch dpdk-l3fwd-power failed in RC1 has been fixed in RC2.
* IPsec: test scenarios including ipsec/ipsec-secgw
- All tests are failed due to critical bad commit id b7aaf417f9, but test passed by using Bruce's new patch.
- Issue about ipsec-secgw test failed is found in RC1 has been fixed in RC2.

# Basic cryptodev and virtio testing
* Virtio: both function and performance test are covered. Such as PVP/Virtio_loopback/virtio-user loopback/virtio-net VM2VM perf testing/VMAWARE ESXI 7.0u2, etc.
- All tests are done.
- 3 new issues are found except known issue.
> 1 bug is reported in bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=699

* Cryptodev:
*Function test: test scenarios including Cryptodev API testing/CompressDev ISA-L/QAT/ZLIB PMD Testing/FIPS, etc.
- All passed except known issue.
*Performance test: test scenarios including Thoughput Performance /Cryptodev Latency, etc.
- All passed. No big perf drop.

Best regards,
Yu Jiang

DPDK 21.05 RC2 on IBM Power result

* DPDK: v21.05-rc2-8-gbe81f77d8
* OS: RHEL 8.3 kernel level: 4.18.0-240.el8.ppc64le
* GCC: version 8.3.1 20191121 (Red Hat 8.3.1-5)
* Basic PF on Mellanox: No new issues or regressions were seen.
* Performance: not tested.

System tested:
- IBM Power9 Model 8335-101 CPU: 2.2 (pvr 004e 1202) Tested NICs:
- Mellanox Technologies MT28800 Family [ConnectX-5 Ex]
- MLNX_OFED_LINUX-5.2-1.0.4.1
- Firmware level: 16.29.1017

Regards,
Thinh Tran