/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Universal TUN/TAP device driver. * Copyright (C) 1999-2000 Maxim Krasnyansky <[email protected]> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef _UAPI__IF_TUN_H #define _UAPI__IF_TUN_H #include <linux/types.h> #include <linux/if_ether.h> #include <linux/filter.h> /* Read queue size */ #define TUN_READQ_SIZE … /* TUN device type flags: deprecated. Use IFF_TUN/IFF_TAP instead. */ #define TUN_TUN_DEV … #define TUN_TAP_DEV … #define TUN_TYPE_MASK … /* Ioctl defines */ #define TUNSETNOCSUM … #define TUNSETDEBUG … #define TUNSETIFF … #define TUNSETPERSIST … #define TUNSETOWNER … #define TUNSETLINK … #define TUNSETGROUP … #define TUNGETFEATURES … #define TUNSETOFFLOAD … #define TUNSETTXFILTER … #define TUNGETIFF … #define TUNGETSNDBUF … #define TUNSETSNDBUF … #define TUNATTACHFILTER … #define TUNDETACHFILTER … #define TUNGETVNETHDRSZ … #define TUNSETVNETHDRSZ … #define TUNSETQUEUE … #define TUNSETIFINDEX … #define TUNGETFILTER … #define TUNSETVNETLE … #define TUNGETVNETLE … /* The TUNSETVNETBE and TUNGETVNETBE ioctls are for cross-endian support on * little-endian hosts. Not all kernel configurations support them, but all * configurations that support SET also support GET. */ #define TUNSETVNETBE … #define TUNGETVNETBE … #define TUNSETSTEERINGEBPF … #define TUNSETFILTEREBPF … #define TUNSETCARRIER … #define TUNGETDEVNETNS … /* TUNSETIFF ifr flags */ #define IFF_TUN … #define IFF_TAP … #define IFF_NAPI … #define IFF_NAPI_FRAGS … /* Used in TUNSETIFF to bring up tun/tap without carrier */ #define IFF_NO_CARRIER … #define IFF_NO_PI … /* This flag has no real effect */ #define IFF_ONE_QUEUE … #define IFF_VNET_HDR … #define IFF_TUN_EXCL … #define IFF_MULTI_QUEUE … #define IFF_ATTACH_QUEUE … #define IFF_DETACH_QUEUE … /* read-only flag */ #define IFF_PERSIST … #define IFF_NOFILTER … /* Socket options */ #define TUN_TX_TIMESTAMP … /* Features for GSO (TUNSETOFFLOAD). */ #define TUN_F_CSUM … #define TUN_F_TSO4 … #define TUN_F_TSO6 … #define TUN_F_TSO_ECN … #define TUN_F_UFO … #define TUN_F_USO4 … #define TUN_F_USO6 … /* Protocol info prepended to the packets (when IFF_NO_PI is not set) */ #define TUN_PKT_STRIP … struct tun_pi { … }; /* * Filter spec (used for SETXXFILTER ioctls) * This stuff is applicable only to the TAP (Ethernet) devices. * If the count is zero the filter is disabled and the driver accepts * all packets (promisc mode). * If the filter is enabled in order to accept broadcast packets * broadcast addr must be explicitly included in the addr list. */ #define TUN_FLT_ALLMULTI … struct tun_filter { … }; #endif /* _UAPI__IF_TUN_H */
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