:orphan:

.. title:: NET_TCP_BACKLOG_SIZE

.. option:: CONFIG_NET_TCP_BACKLOG_SIZE

*Number of simultaneous incoming TCP connections*

Type: ``int``

Help
====

The number of simultaneous TCP connection attempts, i.e. outstanding
TCP connections waiting for initial ACK.

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

\ :option:`NET_TCP <CONFIG_NET_TCP>` && !\ :option:`NET_RAW_MODE <CONFIG_NET_RAW_MODE>` && \ :option:`NETWORKING <CONFIG_NETWORKING>`

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

Default
=======

- 1

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

.. highlight:: kconfig

At ``subsys/net/ip/Kconfig:330``

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 → Enable TCP

.. parsed-literal::

    config NET_TCP_BACKLOG_SIZE
    	int "Number of simultaneous incoming TCP connections"
    	range 1 128
    	default 1
    	depends on \ :option:`NET_TCP <CONFIG_NET_TCP>` && !\ :option:`NET_RAW_MODE <CONFIG_NET_RAW_MODE>` && \ :option:`NETWORKING <CONFIG_NETWORKING>`
    	help
    	  The number of simultaneous TCP connection attempts, i.e. outstanding
    	  TCP connections waiting for initial ACK.

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