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 "qapi/qapi-types-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 | void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp); |
37 | int tap_probe_vnet_hdr(int fd); |
38 | int tap_probe_vnet_hdr_len(int fd, int len); |
39 | int tap_probe_has_ufo(int fd); |
40 | void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo); |
41 | void tap_fd_set_vnet_hdr_len(int fd, int len); |
42 | int tap_fd_set_vnet_le(int fd, int vnet_is_le); |
43 | int tap_fd_set_vnet_be(int fd, int vnet_is_be); |
44 | int tap_fd_enable(int fd); |
45 | int tap_fd_disable(int fd); |
46 | int tap_fd_get_ifname(int fd, char *ifname); |
47 | |
48 | #endif /* NET_TAP_INT_H */ |
49 | |