CONFIG_NET_BUF_TX_COUNT

How many network buffers are allocated for sending 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 <Zephyr Subsystem>/net/ip/Kconfig:643

Included via Kconfig:8 → Kconfig.zephyr:44 → <Zephyr Subsystem>/Kconfig:39 → <Zephyr Subsystem>/net/Kconfig:87

Menu path: (Top) → Sub Systems and OS Services → Networking → Link layer and IP networking support → IP stack

config NET_BUF_TX_COUNT
    int "How many network buffers are allocated for sending 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.)