| 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 | |
| 29 | int 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 | |
| 36 | bool tap_set_sndbuf(int fd, int sndbuf, Error **errp) |
| 37 | { |
| 38 | return true; |
| 39 | } |
| 40 | |
| 41 | int tap_probe_vnet_hdr(int fd, Error **errp) |
| 42 | { |
| 43 | return 0; |
| 44 | } |
| 45 | |
| 46 | int tap_probe_has_ufo(int fd) |
| 47 | { |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | int tap_probe_has_uso(int fd) |
| 52 | { |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | bool tap_probe_has_tunnel(int fd) |
| 57 | { |
| 58 | return false; |
| 59 | } |
| 60 | |
| 61 | void tap_fd_set_vnet_hdr_len(int fd, int len) |
| 62 | { |
| 63 | } |
| 64 | |
| 65 | int tap_fd_set_vnet_le(int fd, int is_le) |
| 66 | { |
| 67 | return -EINVAL; |
| 68 | } |
| 69 | |
| 70 | int tap_fd_set_vnet_be(int fd, int is_be) |
| 71 | { |
| 72 | return -EINVAL; |
| 73 | } |
| 74 | |
| 75 | void tap_fd_set_offload(int fd, const NetOffloads *ol) |
| 76 | { |
| 77 | } |
| 78 | |
| 79 | int tap_fd_enable(int fd) |
| 80 | { |
| 81 | return -1; |
| 82 | } |
| 83 | |
| 84 | int tap_fd_disable(int fd) |
| 85 | { |
| 86 | return -1; |
| 87 | } |
| 88 | |
| 89 | int tap_fd_get_ifname(int fd, char *ifname) |
| 90 | { |
| 91 | return -1; |
| 92 | } |
| 93 | |
| 94 | int tap_fd_set_steering_ebpf(int fd, int prog_fd) |
| 95 | { |
| 96 | return -1; |
| 97 | } |