Add support to media settings parser for parsing gearbox media settings #579
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prgeor
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Feb 7, 2025
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| media_settings_gb_default = { |
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@j-mazurek is there any HLD describing these? Like how OA knows this SI setting corresponds to gearbox line side or not?
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prgeor
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Feb 15, 2025
| if xcvrd.check_port_in_range(port, physical_port): | ||
| media_dict = g_dict[GLOBAL_MEDIA_SETTINGS_KEY][keys] | ||
| if gearbox_side: | ||
| if GEARBOX_GLOBAL_MEDIA_SETTINGS_KEY in g_dict: |
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@j-mazurek can you write a separate function get_gb_media_settings() do the necessary refactor?
prgeor
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Feb 15, 2025
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| def get_media_settings_value(physical_port, key): | ||
| def get_media_settings_value(physical_port, key, gearbox_side=None): |
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@j-mazurek please rename this to get_asic_media_settings() and keep it separate from get_gb_media_settings()` (see my comments below)
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@j-mazurek can you please link the HLD in the PR description |
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@j-mazurek there is a merge conflict |
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What I did
Added support to media_settings_parser in xcvrd to parse gearbox tuning values from media_settings.json.
Description
Added GEARBOX_GLOBAL_MEDIA_SETTINGS and GEARBOX_PORT_MEDIA_SETTINGS as top-level search keys for media_settings_parser.py in xcvrd.
Expanded get_media_settings() to parse gearbox values
Gearbox tuning values (line-side and system-side) parsed from media_settings.json will be published to APPL_DB alongside ASIC values.
Motivation and Context
This change is part of the Dynamic Gearbox Tuning feature. Allows parsing gearbox tuning values from media_settings.json.
How Has This Been Tested?
Using a custom media_settings.json file, verified that port tables in APPL_DB were being correctly set with the proper values for ASIC tx_taps as well as line-side and system-side gearbox tx_taps.
Verified against current unit tests.
Added unit test cases in test_xcvrd.py to cover new changes.