blob: ae6888f74ae04df497bb16ab720aa0ca17f47c5b [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
Markus Armbruster121d0712016-06-29 10:12:57 +020026#ifndef NET_TAP_INT_H
27#define NET_TAP_INT_H
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010028
29#include "qemu-common.h"
Laszlo Ersek6687b792012-07-17 16:17:13 +020030#include "qapi-types.h"
Mark McLoughlina8ed73f2009-10-22 17:49:05 +010031
Jason Wang264986e2013-01-30 19:12:34 +080032int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
Markus Armbruster468dd822015-05-15 13:58:58 +020033 int vnet_hdr_required, int mq_required, Error **errp);
Mark McLoughline7e92322009-10-22 17:49:08 +010034
Mark McLoughlin966ea5e2009-10-22 17:49:09 +010035ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
36
Markus Armbruster80b832c2015-05-15 13:58:55 +020037void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp);
Mark McLoughlindc690042009-10-22 17:49:14 +010038int tap_probe_vnet_hdr(int fd);
Michael S. Tsirkin445d8922010-07-16 11:16:06 +030039int tap_probe_vnet_hdr_len(int fd, int len);
Mark McLoughlin9c282712009-10-22 17:49:16 +010040int tap_probe_has_ufo(int fd);
Mark McLoughlin1faac1f2009-10-22 17:49:15 +010041void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
Michael S. Tsirkin445d8922010-07-16 11:16:06 +030042void tap_fd_set_vnet_hdr_len(int fd, int len);
Greg Kurzc80cd6b2015-06-17 15:23:44 +020043int tap_fd_set_vnet_le(int fd, int vnet_is_le);
44int tap_fd_set_vnet_be(int fd, int vnet_is_be);
Jason Wang94fdc6d2013-01-30 19:12:31 +080045int tap_fd_enable(int fd);
46int tap_fd_disable(int fd);
Jason Wange5dc0b42013-01-30 19:12:33 +080047int tap_fd_get_ifname(int fd, char *ifname);
Mark McLoughlin15ac9132009-10-22 17:49:13 +010048
Markus Armbruster121d0712016-06-29 10:12:57 +020049#endif /* NET_TAP_INT_H */