Why I did it
To fix ecmp hash polarization issue.
Work item tracking
Microsoft ADO (number only): 26085143
How I did it
Add sai_hash_seed_config_hash_offset_enable=1 in all config.bcm that Broadcom T1 uses.
HardwareSku
Force10-S6100-T1
Force10-S6100-ITPAC-T1
Force10-S6100
Celestica-DX010-C32
Arista-7260CX3-C64
Arista-7060CX-32S-Q32
Arista-7060CX-32S-C32-T1
Arista-7060CX-32S-C32
Arista-7050QX32S-Q32
Arista-7050QX-32S-S4Q31
Arista-7050-QX32
Arista-7050-QX-32SInclude Broadcom's fix by upgrading xgs SAI version to 8.4.35.0.
8.4.35.0: [CSP 00012324019] back-porting SONIC-75006 to SAI8.4
8.4.34.0:
[CSP 00012318293] back-porting SONIC-81534 to SAI8.4;
ECMP LB traffic polarization, configure hash_offset along with hash_seed attr
Run qual with only xgs SAI version upgraded to 8.4.35.0:
on TH2: https://elastictest.org/scheduler/testplan/6579b36ccfacd86e78e3e885?leftSideViewMode=detail&prop=status&order=ascending
on TH: https://elastictest.org/scheduler/testplan/657a75f8c1d3b51fc1d585b4?leftSideViewMode=detail&prop=status&order=ascending
How to verify it
use tests/ecmp/test_ecmp_sai_value.py to verify.
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