Help¶

Set the maximum size of the MQTT message. So, no messages longer than CONFIG_MQTT_MSG_SIZE will be processed.

Direct dependencies¶

MQTT_LIB && NETWORKING

(Includes any dependencies from if’s and menus.)

Defaults¶

128 if MQTT_LIB && NETWORKING

Kconfig definition¶

At subsys/net/lib/mqtt/Kconfig:15

Included via Kconfig:10 → Kconfig.zephyr:35 → subsys/Kconfig:22 → subsys/net/Kconfig:93 → subsys/net/lib/Kconfig:13

Menu path: (top menu) → Networking → Network Protocols

config MQTT_MSG_MAX_SIZE
    int
    prompt "Max size of a MQTT message" if MQTT_LIB && NETWORKING
    range 128 1024 if MQTT_LIB && NETWORKING
    default 128 if MQTT_LIB && NETWORKING
    depends on MQTT_LIB && NETWORKING
    help
      Set the maximum size of the MQTT message. So, no messages
      longer than CONFIG_MQTT_MSG_SIZE will be processed.

(Definitions include propagated dependencies, including from if’s and menus.)