modem: cmux: auto calculate work buffer sizes #96897
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Automatically size the CMUX work buffers based on `CONFIG_MODEM_CMUX_MTU`. This eliminates a Kconfig variable that would otherwise need to manually be kept in sync. The option to extend the size of these buffers is still provided through `CONFIG_MODEM_CMUX_WORK_BUFFER_SIZE_EXTRA`. Signed-off-by: Jordan Yates <[email protected]>
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cfriedt,
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jukkar
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Oct 2, 2025
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Automatically size the CMUX work buffers based on
CONFIG_MODEM_CMUX_MTU. This eliminates a Kconfig variable that would otherwise need to manually be kept in sync. The option to extend the size of these buffers is still provided throughCONFIG_MODEM_CMUX_WORK_BUFFER_SIZE_EXTRA.It is assumed that creating buffers smaller than the recommended (MTU + 7) would lead to broken applications.