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 if’s and menus.)

Defaults¶

36 if NET_L2_ETHERNET && NETWORKING
16 if NETWORKING

Kconfig definition¶

At subsys/net/ip/Kconfig:380

Included via Kconfig:10 → Kconfig.zephyr:35 → subsys/Kconfig:22 → subsys/net/Kconfig:91

Menu path: (top menu) → Networking → IP stack

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

(Definitions include propagated dependencies, including from if’s and menus.)