Help¶

Default MRU (Maximum Receive Unit) data size. The default value for Basic mode is 31 bytes. The 1509 limit comes from ublox-sara modem and it means we can transfer full Ethernet sized frame and muxing headers.

Direct dependencies¶

GSM_MUX && CONSOLE

(Includes any dependencies from ifs and menus.)

Defaults¶

127 if MODEM_GSM_SIMCOM
31

Kconfig definition¶

At drivers/console/Kconfig.gsm_mux:60

Included via Kconfig:8 → Kconfig.zephyr:32 → drivers/Kconfig:14 → drivers/console/Kconfig:330

Menu path: (Top) → Device Drivers → Console drivers → Enable GSM 07.10 muxing protocol

config GSM_MUX_MRU_DEFAULT_LEN
    int "Default size of received user data (MRU)"
    range 1 1509
    default 127 if MODEM_GSM_SIMCOM
    default 31
    depends on GSM_MUX && CONSOLE
    help
      Default MRU (Maximum Receive Unit) data size. The default
      value for Basic mode is 31 bytes. The 1509 limit comes from
      ublox-sara modem and it means we can transfer full Ethernet sized
      frame and muxing headers.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)