Help¶

Each buffer comes with a built time configured size. If runtime requested is bigger than that, it will allocate as many net_buf as necessary to reach that request.

Direct dependencies¶

<choice: Network packet data allocator type>

(Includes any dependencies from ifs and menus.)

Kconfig definition¶

At <Zephyr>/subsys/net/ip/Kconfig:639

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:34 → <Zephyr>/subsys/Kconfig:37 → <Zephyr>/subsys/net/Kconfig:87

Menu path: (Top) → Sub Systems and OS Services → Networking → Link layer and IP networking support → IP stack → Network packet data allocator type

config NET_BUF_FIXED_DATA_SIZE
    bool "Fixed data size buffer"
    depends on <choice: Network packet data allocator type>
    help
      Each buffer comes with a built time configured size. If runtime
      requested is bigger than that, it will allocate as many net_buf
      as necessary to reach that request.

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