[dash-p4] Update DASH BM P4 code for fast path SAI API generation

sonic-net / DASH

Disaggregated APIs for SONiC Hosts

Apache License 2.0

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[dash-p4] Update DASH BM P4 code for fast path SAI API generation #517

Closed r12f closed 5 months ago

r12f commented 5 months ago

This change is to support generating the load balancer fast path SAI APIs. It follows the HLD in the doc repo: https://github.com/sonic-net/DASH/blob/main/documentation/load-bal-service/fast-path-icmp-flow-redirection.md.

This change doesn't really contains any real behavior for parsing fast path packets and etc. These updates will come later time.

The updated SAI headers can be previewed here: https://github.com/r12f/SAI/commit/d0e29049664945a78e3569193d9280fde04654a3

r12f commented 5 months ago

working in progress just in case anyone is interested in preview, will convert it back to PR once it is ready for review.

r12f commented 5 months ago

ok, I think it is ready for review now. There are some minor naming changes following what we are doing currently in DASH, so I updated the HLD to make them align.

r12f commented 5 months ago

Thanks Marian! I will submit the SAI header update PR as well today.