[action] [PR:13935] [chassis][voq] 400g to100g speed changes for chassis linecards#14322
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mssonicbld merged 1 commit intosonic-net:202211from Mar 19, 2023
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…-net#13935) On SONiC VoQ chassis, the speed changes are done from 400G to 100G needs to be supported on 400G linecards. To enable this, along with speed change the port lanes need to be changed. This PR has the changes to update the port lanes when such speed change happens. This PR is intended only for VoQ chassis linecards. These platforms today have 400g port with 8 serdes lines, and 100g will operate with 4 serdes lane. When the port speed changes from 400G to 100G the first 4 lanes will be used for 100G port. Platforms which support 2x50g PAM4 or support 100G PAM4 serdes or other combinations are not handled in the PR. Signed-off-by: Arvindsrinivasan Lakshmi Narasimhan <[email protected]>
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Original PR: #13935 |
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