xref: /linux/Documentation/userspace-api/media/dvb/net-remove-if.rst (revision 059b1c5b15579b09c3787c3a3f843574233ab976)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _NET_REMOVE_IF:
4
5*******************
6ioctl NET_REMOVE_IF
7*******************
8
9Name
10====
11
12NET_REMOVE_IF - Removes a network interface.
13
14
15Synopsis
16========
17
18.. c:function:: int ioctl( int fd, NET_REMOVE_IF, int ifnum )
19    :name: NET_REMOVE_IF
20
21
22Arguments
23=========
24
25``fd``
26    File descriptor returned by :ref:`open() <frontend_f_open>`.
27
28``net_if``
29    number of the interface to be removed
30
31
32Description
33===========
34
35The NET_REMOVE_IF ioctl deletes an interface previously created via
36:ref:`NET_ADD_IF <net>`.
37
38
39Return Value
40============
41
42On success 0 is returned, and :c:type:`ca_slot_info` is filled.
43
44On error -1 is returned, and the ``errno`` variable is set
45appropriately.
46
47The generic error codes are described at the
48:ref:`Generic Error Codes <gen-errors>` chapter.
49