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