1059b1c5bSMauro Carvalho Chehab.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2f9b2e8aaSMauro Carvalho Chehab.. c:namespace:: DTV.net 354f38fcaSMauro Carvalho Chehab 454f38fcaSMauro Carvalho Chehab.. _NET_ADD_IF: 554f38fcaSMauro Carvalho Chehab 654f38fcaSMauro Carvalho Chehab**************** 754f38fcaSMauro Carvalho Chehabioctl NET_ADD_IF 854f38fcaSMauro Carvalho Chehab**************** 954f38fcaSMauro Carvalho Chehab 1054f38fcaSMauro Carvalho ChehabName 1154f38fcaSMauro Carvalho Chehab==== 1254f38fcaSMauro Carvalho Chehab 1354f38fcaSMauro Carvalho ChehabNET_ADD_IF - Creates a new network interface for a given Packet ID. 1454f38fcaSMauro Carvalho Chehab 1554f38fcaSMauro Carvalho ChehabSynopsis 1654f38fcaSMauro Carvalho Chehab======== 1754f38fcaSMauro Carvalho Chehab 18f9b2e8aaSMauro Carvalho Chehab.. c:macro:: NET_ADD_IF 1954f38fcaSMauro Carvalho Chehab 20f9b2e8aaSMauro Carvalho Chehab``int ioctl(int fd, NET_ADD_IF, struct dvb_net_if *net_if)`` 2154f38fcaSMauro Carvalho Chehab 2254f38fcaSMauro Carvalho ChehabArguments 2354f38fcaSMauro Carvalho Chehab========= 2454f38fcaSMauro Carvalho Chehab 2554f38fcaSMauro Carvalho Chehab``fd`` 26f9b2e8aaSMauro Carvalho Chehab File descriptor returned by :c:func:`open()`. 2754f38fcaSMauro Carvalho Chehab 2854f38fcaSMauro Carvalho Chehab``net_if`` 2954f38fcaSMauro Carvalho Chehab pointer to struct :c:type:`dvb_net_if` 3054f38fcaSMauro Carvalho Chehab 3154f38fcaSMauro Carvalho ChehabDescription 3254f38fcaSMauro Carvalho Chehab=========== 3354f38fcaSMauro Carvalho Chehab 3454f38fcaSMauro Carvalho ChehabThe NET_ADD_IF ioctl system call selects the Packet ID (PID) that 3554f38fcaSMauro Carvalho Chehabcontains a TCP/IP traffic, the type of encapsulation to be used (MPE or 3654f38fcaSMauro Carvalho ChehabULE) and the interface number for the new interface to be created. When 3754f38fcaSMauro Carvalho Chehabthe system call successfully returns, a new virtual network interface is 3854f38fcaSMauro Carvalho Chehabcreated. 3954f38fcaSMauro Carvalho Chehab 4054f38fcaSMauro Carvalho ChehabThe struct :c:type:`dvb_net_if`::ifnum field will be 4154f38fcaSMauro Carvalho Chehabfilled with the number of the created interface. 4254f38fcaSMauro Carvalho Chehab 4354f38fcaSMauro Carvalho ChehabReturn Value 4454f38fcaSMauro Carvalho Chehab============ 4554f38fcaSMauro Carvalho Chehab 4654f38fcaSMauro Carvalho ChehabOn success 0 is returned, and :c:type:`ca_slot_info` is filled. 4754f38fcaSMauro Carvalho Chehab 4854f38fcaSMauro Carvalho ChehabOn error -1 is returned, and the ``errno`` variable is set 4954f38fcaSMauro Carvalho Chehabappropriately. 5054f38fcaSMauro Carvalho Chehab 5154f38fcaSMauro Carvalho ChehabThe generic error codes are described at the 5254f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 53