[PR tracker] SONiC ECMP calculator

[liorghub]

The purpose of ECMP calculator is to calculate which IP interface ECMP will choose and return the physical interface packet will egress from. Packet is defined by a JSON file given as an argument to the tool.
An equal cost multipath (ECMP) is formed when routing table contains multiple next hop addresses for the same destination IP address. ECMP will load balance the outbound traffic between the IP interfaces.

PR title	State	Status	Dependencies	Unitest	Owner	Included in 202211
Add ECMP calculator tool		checkers passed	sonic-net/sonic-buildimage#12840	tests implemented in sonic-mgmt	@liorghub	Yes
[Mellanox] Add SDK hash calculator debian and update SDK makefile to compile it		checkers passed	none	N/A	@liorghub	Yes
Add CLI command for ECMP calculator		checkers passed	none	unittest added	@liorghub	Yes
[Mellanox] Update ECMP calculator README		checkers passed	none	N/A	@liorghub	Yes
[Mellanox] [ECMP calculator] Add script usage and more information to script description in help option		checkers passed	none	N/A	@liorghub	Yes
[Mellanox] [ECMP calculator] Add support for 4600/4600C/2201 platforms with different interface naming method		checkers passed	none	N/A	@liorghub	Yes

[liat-grozovik]

all required PRs were merged.
@liorghub please confirm all is in 202211 and if so, we can add it to the RN.

[liorghub]

@liat-grozovik
I have submitted one more PR to enhance the help option (sonic-net/sonic-buildimage#13493).
Once it is in, I will confirm.

[liorghub]

all required PRs were merged. @liorghub please confirm all is in 202211 and if so, we can add it to the RN.

@liat-grozovik All required PRs are included in master and 202211.

[liat-grozovik]

@zhangyanzhao now that the code PRs are merged and all available in 202211 should we close the tracking PR?

[liat-grozovik]

@zhangyanzhao now that the code PRs are merged and all available in 202211 should we close the tracking PR?

@zhangyanzhao what should be done with the tracking PR now that all the PRs were merged?

[shishao7sxm]

@liorghub Hi, This is an interesting functionality, i can imagine the operation team will love that. From your perspective, any other scenarios can leverage this capability? SDN?

[zhangyanzhao]

I am fine to close. Thanks.

[zhangyanzhao]

It is better to merge it to keep a record. @kannankvs for your awareness, can we add this into the 202211 release notes? Thanks.