Help¶

The size, in bytes, of each mcumgr buffer. This value must satisfy the following relation: MCUMGR_BUF_SIZE >= transport-specific-MTU + transport-overhead

Direct dependencies¶

MCUMGR

(Includes any dependencies from ifs and menus.)

Defaults¶

2048 if MCUMGR_SMP_UDP
384

Kconfig definition¶

At <Zephyr>/subsys/mgmt/mcumgr/Kconfig:352

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:34 → <Zephyr>/subsys/Kconfig:35 → <Zephyr>/subsys/mgmt/Kconfig:9

Menu path: (Top) → Sub Systems and OS Services → Device Management → mcumgr Support

config MCUMGR_BUF_SIZE
    int "Size of each mcumgr buffer"
    default 2048 if MCUMGR_SMP_UDP
    default 384
    depends on MCUMGR
    help
      The size, in bytes, of each mcumgr buffer.  This value must satisfy
      the following relation:
      MCUMGR_BUF_SIZE >= transport-specific-MTU + transport-overhead

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