Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
[qemu.git] / net / tap_int.h
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 "qemu-common.h"
30 #include "qapi-types.h"
31
32 int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
33 int vnet_hdr_required, int mq_required, Error **errp);
34
35 ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
36
37 void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp);
38 int tap_probe_vnet_hdr(int fd);
39 int tap_probe_vnet_hdr_len(int fd, int len);
40 int tap_probe_has_ufo(int fd);
41 void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
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
49 #endif /* NET_TAP_INT_H */