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ioctl NET_ADD_IF

Documentation/userspace-api/media/dvb/net-add-if.rst

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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later .. c:namespace:: DTV.net

.. _NET_ADD_IF:


ioctl NET_ADD_IF


Name

NET_ADD_IF - Creates a new network interface for a given Packet ID.

Synopsis

.. c:macro:: NET_ADD_IF

int ioctl(int fd, NET_ADD_IF, struct dvb_net_if *net_if)

Arguments

fd File descriptor returned by :c:func:open().

net_if pointer to struct :c:type:dvb_net_if

Description

The NET_ADD_IF ioctl system call selects the Packet ID (PID) that contains a TCP/IP traffic, the type of encapsulation to be used (MPE or ULE) and the interface number for the new interface to be created. When the system call successfully returns, a new virtual network interface is created.

The struct :c:type:dvb_net_if::ifnum field will be filled with the number of the created interface.

Return Value

On success 0 is returned, and :c:type:ca_slot_info is filled.

On error -1 is returned, and the errno variable is set appropriately.

The generic error codes are described at the :ref:Generic Error Codes <gen-errors> chapter.