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CONFIG_NET_BUF_RX_COUNT

How many network buffers are allocated for receiving data

Type: int

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:635

Included via Kconfig:8 → Kconfig.zephyr:44 → subsys/Kconfig:39 → subsys/net/Kconfig:89

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.)