net-add-if.rst (1157B)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.net 3 4.. _NET_ADD_IF: 5 6**************** 7ioctl NET_ADD_IF 8**************** 9 10Name 11==== 12 13NET_ADD_IF - Creates a new network interface for a given Packet ID. 14 15Synopsis 16======== 17 18.. c:macro:: NET_ADD_IF 19 20``int ioctl(int fd, NET_ADD_IF, struct dvb_net_if *net_if)`` 21 22Arguments 23========= 24 25``fd`` 26 File descriptor returned by :c:func:`open()`. 27 28``net_if`` 29 pointer to struct :c:type:`dvb_net_if` 30 31Description 32=========== 33 34The NET_ADD_IF ioctl system call selects the Packet ID (PID) that 35contains a TCP/IP traffic, the type of encapsulation to be used (MPE or 36ULE) and the interface number for the new interface to be created. When 37the system call successfully returns, a new virtual network interface is 38created. 39 40The struct :c:type:`dvb_net_if`::ifnum field will be 41filled with the number of the created interface. 42 43Return Value 44============ 45 46On success 0 is returned, and :c:type:`ca_slot_info` is filled. 47 48On error -1 is returned, and the ``errno`` variable is set 49appropriately. 50 51The generic error codes are described at the 52:ref:`Generic Error Codes <gen-errors>` chapter.