| 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * Copyright (c) 2009 Red Hat, Inc. |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | * of this software and associated documentation files (the "Software"), to deal |
| 9 | * in the Software without restriction, including without limitation the rights |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | * copies of the Software, and to permit persons to whom the Software is |
| 12 | * furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in |
| 15 | * all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 23 | * THE SOFTWARE. |
| 24 | */ |
| 25 | |
| 26 | #ifndef NET_TAP_INT_H |
| 27 | #define NET_TAP_INT_H |
| 28 | |
| 29 | #include "net/net.h" |
| 30 | |
| 31 | int tap_open(char *ifname, int ifname_size, int *vnet_hdr, |
| 32 | int vnet_hdr_required, int mq_required, Error **errp); |
| 33 | |
| 34 | ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen); |
| 35 | |
| 36 | bool tap_set_sndbuf(int fd, int sndbuf, Error **errp); |
| 37 | int tap_probe_vnet_hdr(int fd, Error **errp); |
| 38 | int tap_probe_has_ufo(int fd); |
| 39 | int tap_probe_has_uso(int fd); |
| 40 | bool tap_probe_has_tunnel(int fd); |
| 41 | void tap_fd_set_offload(int fd, const NetOffloads *ol); |
| 42 | void tap_fd_set_vnet_hdr_len(int fd, int len); |
| 43 | int tap_fd_set_vnet_le(int fd, int vnet_is_le); |
| 44 | int tap_fd_set_vnet_be(int fd, int vnet_is_be); |
| 45 | int tap_fd_enable(int fd); |
| 46 | int tap_fd_disable(int fd); |
| 47 | int tap_fd_get_ifname(int fd, char *ifname); |
| 48 | int tap_fd_set_steering_ebpf(int fd, int prog_fd); |
| 49 | |
| 50 | #endif /* NET_TAP_INT_H */ |