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 subsys/net/ip/Kconfig:533

Included via Kconfig:8 → Kconfig.zephyr:44 → subsys/Kconfig:22 → subsys/net/Kconfig:80

Menu path: (Top) → 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.)