blob: 44e31cefa9854219cf4a2e15e1c82f0db98d9622 [file] [log] [blame]
Mark McLoughlina8ed73f2009-10-22 17:49:05 +01001/*
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 QEMU_NET_TAP_H
27#define QEMU_NET_TAP_H
28
29#include "qemu-common.h"
30#include "qemu-option.h"
Laszlo Ersek6687b792012-07-17 16:17:13 +020031#include "qapi-types.h"
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010032
33#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
34#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
35
Laszlo Ersek6687b792012-07-17 16:17:13 +020036int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts,
37 const char *name, VLANState *vlan);
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010038
Mark McLoughline7e92322009-10-22 17:49:08 +010039int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required);
40
Mark McLoughlin966ea5e2009-10-22 17:49:09 +010041ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
42
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010043int tap_has_ufo(VLANClientState *vc);
44int tap_has_vnet_hdr(VLANClientState *vc);
Michael S. Tsirkin445d8922010-07-16 11:16:06 +030045int tap_has_vnet_hdr_len(VLANClientState *vc, int len);
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010046void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr);
47void tap_set_offload(VLANClientState *vc, int csum, int tso4, int tso6, int ecn, int ufo);
Michael S. Tsirkin445d8922010-07-16 11:16:06 +030048void tap_set_vnet_hdr_len(VLANClientState *vc, int len);
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010049
Mark McLoughlin15ac9132009-10-22 17:49:13 +010050int tap_set_sndbuf(int fd, QemuOpts *opts);
Mark McLoughlindc690042009-10-22 17:49:14 +010051int tap_probe_vnet_hdr(int fd);
Michael S. Tsirkin445d8922010-07-16 11:16:06 +030052int tap_probe_vnet_hdr_len(int fd, int len);
Mark McLoughlin9c282712009-10-22 17:49:16 +010053int tap_probe_has_ufo(int fd);
Mark McLoughlin1faac1f2009-10-22 17:49:15 +010054void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
Michael S. Tsirkin445d8922010-07-16 11:16:06 +030055void tap_fd_set_vnet_hdr_len(int fd, int len);
Mark McLoughlin15ac9132009-10-22 17:49:13 +010056
Michael S. Tsirkin95d528a2010-03-17 13:07:50 +020057int tap_get_fd(VLANClientState *vc);
58
Michael S. Tsirkinb2025542010-03-17 13:08:38 +020059struct vhost_net;
60struct vhost_net *tap_get_vhost_net(VLANClientState *vc);
61
Laszlo Ersek6687b792012-07-17 16:17:13 +020062int net_init_bridge(QemuOpts *opts, const NetClientOptions *new_opts,
63 const char *name, VLANState *vlan);
Corey Bryanta7c36ee2012-01-26 09:42:27 -050064
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010065#endif /* QEMU_NET_TAP_H */