:orphan:

.. title:: NET_BUF_DATA_SIZE

.. option:: CONFIG_NET_BUF_DATA_SIZE

*Size of each network data fragment*

Type: ``int``

Help
====

This value tells what is the fixed size of each network buffer.

Direct dependencies
===================

\ :option:`NET_BUF_FIXED_DATA_SIZE <CONFIG_NET_BUF_FIXED_DATA_SIZE>` && \ :option:`NETWORKING <CONFIG_NETWORKING>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- 128

Kconfig definition
==================

.. highlight:: kconfig

At ``subsys/net/ip/Kconfig:653``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:37`` → ``subsys/net/Kconfig:87``

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

.. parsed-literal::

    config NET_BUF_DATA_SIZE
    	int "Size of each network data fragment"
    	default 128
    	depends on \ :option:`NET_BUF_FIXED_DATA_SIZE <CONFIG_NET_BUF_FIXED_DATA_SIZE>` && \ :option:`NETWORKING <CONFIG_NETWORKING>`
    	help
    	  This value tells what is the fixed size of each network buffer.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*