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CONFIG_MCUMGR_SMP_UDP_MTU
¶
UDP SMP MTU
Type: int
Help¶
Maximum size of SMP frames sent and received over UDP, in bytes. This value must satisfy the following relation: MCUMGR_SMP_UDP_MTU <= MCUMGR_BUF_SIZE + SMP msg overhead - address size where address size is determined by IPv4/IPv6 selection.
Default¶
1500
Kconfig definition¶
At <Zephyr>/subsys/mgmt/mcumgr/Kconfig:360
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:34
→ <Zephyr>/subsys/Kconfig:32
→ <Zephyr>/subsys/mgmt/Kconfig:9
Menu path: (Top) → Sub Systems and OS Services → Device Management → mcumgr Support → UDP mcumgr SMP transport
config MCUMGR_SMP_UDP_MTU int "UDP SMP MTU" default 1500 depends onMCUMGR_SMP_UDP
&&MCUMGR
help Maximum size of SMP frames sent and received over UDP, in bytes. This value must satisfy the following relation: MCUMGR_SMP_UDP_MTU <= MCUMGR_BUF_SIZE + SMP msg overhead - address size where address size is determined by IPv4/IPv6 selection.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)