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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

Kconfig definition

At subsys/net/ip/Kconfig:541

Included via Kconfig:8Kconfig.zephyr:34subsys/Kconfig:22subsys/net/Kconfig:80

Menu path: (Top) → 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.)