LXR qemu/net/tap-stub.c

   1/*
   2 * QEMU System Emulator
   3 *
   4 * Copyright (c) 2003-2008 Fabrice Bellard
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24
  25#include "qemu/osdep.h"
  26#include "qapi/error.h"
  27#include "tap_int.h"
  28
  29int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
  30             int vnet_hdr_required, int mq_required, Error **errp)
  31{
  32    error_setg(errp, "tap is not supported in this build");
  33    return -1;
  34}
  35
  36void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
  37{
  38}
  39
  40int tap_probe_vnet_hdr(int fd, Error **errp)
  41{
  42    return 0;
  43}
  44
  45int tap_probe_has_ufo(int fd)
  46{
  47    return 0;
  48}
  49
  50int tap_probe_vnet_hdr_len(int fd, int len)
  51{
  52    return 0;
  53}
  54
  55void tap_fd_set_vnet_hdr_len(int fd, int len)
  56{
  57}
  58
  59int tap_fd_set_vnet_le(int fd, int is_le)
  60{
  61    return -EINVAL;
  62}
  63
  64int tap_fd_set_vnet_be(int fd, int is_be)
  65{
  66    return -EINVAL;
  67}
  68
  69void tap_fd_set_offload(int fd, int csum, int tso4,
  70                        int tso6, int ecn, int ufo)
  71{
  72}
  73
  74int tap_fd_enable(int fd)
  75{
  76    return -1;
  77}
  78
  79int tap_fd_disable(int fd)
  80{
  81    return -1;
  82}
  83
  84int tap_fd_get_ifname(int fd, char *ifname)
  85{
  86    return -1;
  87}
  88
  89int tap_fd_set_steering_ebpf(int fd, int prog_fd)
  90{
  91    return -1;
  92}
  93