xref: /OK3568_Linux_fs/kernel/Documentation/userspace-api/media/dvb/net-remove-if.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2*4882a593Smuzhiyun.. c:namespace:: DTV.net
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun.. _NET_REMOVE_IF:
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun*******************
7*4882a593Smuzhiyunioctl NET_REMOVE_IF
8*4882a593Smuzhiyun*******************
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunName
11*4882a593Smuzhiyun====
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunNET_REMOVE_IF - Removes a network interface.
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunSynopsis
16*4882a593Smuzhiyun========
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun.. c:macro:: NET_REMOVE_IF
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun``int ioctl(int fd, NET_REMOVE_IF, int ifnum)``
21*4882a593Smuzhiyun
22*4882a593SmuzhiyunArguments
23*4882a593Smuzhiyun=========
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun``fd``
26*4882a593Smuzhiyun    File descriptor returned by :c:func:`open()`.
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun``net_if``
29*4882a593Smuzhiyun    number of the interface to be removed
30*4882a593Smuzhiyun
31*4882a593SmuzhiyunDescription
32*4882a593Smuzhiyun===========
33*4882a593Smuzhiyun
34*4882a593SmuzhiyunThe NET_REMOVE_IF ioctl deletes an interface previously created via
35*4882a593Smuzhiyun:ref:`NET_ADD_IF <net>`.
36*4882a593Smuzhiyun
37*4882a593SmuzhiyunReturn Value
38*4882a593Smuzhiyun============
39*4882a593Smuzhiyun
40*4882a593SmuzhiyunOn success 0 is returned, and :c:type:`ca_slot_info` is filled.
41*4882a593Smuzhiyun
42*4882a593SmuzhiyunOn error -1 is returned, and the ``errno`` variable is set
43*4882a593Smuzhiyunappropriately.
44*4882a593Smuzhiyun
45*4882a593SmuzhiyunThe generic error codes are described at the
46*4882a593Smuzhiyun:ref:`Generic Error Codes <gen-errors>` chapter.
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