[action] [PR:13935] [chassis][voq] 400g to100g speed changes for chassis linecards#13982
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mssonicbld wants to merge 1 commit intosonic-net:202205from
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[action] [PR:13935] [chassis][voq] 400g to100g speed changes for chassis linecards#13982mssonicbld wants to merge 1 commit intosonic-net:202205from
mssonicbld wants to merge 1 commit intosonic-net:202205from
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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 <arlakshm@microsoft.com>
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Original PR: #13935 |
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Create PR #14024 to port this change to 202205. Closing this PR |
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