Help¶

Each data buffer will occupy CONFIG_NET_BUF_DATA_SIZE + smallish header (sizeof(struct net_buf)) amount of data.

Direct dependencies¶

NETWORKING

(Includes any dependencies from ifs and menus.)

Defaults¶

36 if NET_L2_ETHERNET
16

Kconfig definition¶

At <Zephyr>/subsys/net/ip/Kconfig:616

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

config NET_BUF_RX_COUNT
    int "How many network buffers are allocated for receiving data"
    default 36 if NET_L2_ETHERNET
    default 16
    depends on NETWORKING
    help
      Each data buffer will occupy CONFIG_NET_BUF_DATA_SIZE + smallish
      header (sizeof(struct net_buf)) amount of data.

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