Mark McLoughlin | a8ed73f | 2009-10-22 17:49:05 +0100 | [diff] [blame] | 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 QEMU_NET_TAP_H |
| 27 | #define QEMU_NET_TAP_H |
| 28 | |
| 29 | #include "qemu-common.h" |
| 30 | #include "qemu-option.h" |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame^] | 31 | #include "qapi-types.h" |
Mark McLoughlin | a8ed73f | 2009-10-22 17:49:05 +0100 | [diff] [blame] | 32 | |
| 33 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
| 34 | #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" |
| 35 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame^] | 36 | int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts, |
| 37 | const char *name, VLANState *vlan); |
Mark McLoughlin | a8ed73f | 2009-10-22 17:49:05 +0100 | [diff] [blame] | 38 | |
Mark McLoughlin | e7e9232 | 2009-10-22 17:49:08 +0100 | [diff] [blame] | 39 | int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required); |
| 40 | |
Mark McLoughlin | 966ea5e | 2009-10-22 17:49:09 +0100 | [diff] [blame] | 41 | ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen); |
| 42 | |
Mark McLoughlin | a8ed73f | 2009-10-22 17:49:05 +0100 | [diff] [blame] | 43 | int tap_has_ufo(VLANClientState *vc); |
| 44 | int tap_has_vnet_hdr(VLANClientState *vc); |
Michael S. Tsirkin | 445d892 | 2010-07-16 11:16:06 +0300 | [diff] [blame] | 45 | int tap_has_vnet_hdr_len(VLANClientState *vc, int len); |
Mark McLoughlin | a8ed73f | 2009-10-22 17:49:05 +0100 | [diff] [blame] | 46 | void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr); |
| 47 | void tap_set_offload(VLANClientState *vc, int csum, int tso4, int tso6, int ecn, int ufo); |
Michael S. Tsirkin | 445d892 | 2010-07-16 11:16:06 +0300 | [diff] [blame] | 48 | void tap_set_vnet_hdr_len(VLANClientState *vc, int len); |
Mark McLoughlin | a8ed73f | 2009-10-22 17:49:05 +0100 | [diff] [blame] | 49 | |
Mark McLoughlin | 15ac913 | 2009-10-22 17:49:13 +0100 | [diff] [blame] | 50 | int tap_set_sndbuf(int fd, QemuOpts *opts); |
Mark McLoughlin | dc69004 | 2009-10-22 17:49:14 +0100 | [diff] [blame] | 51 | int tap_probe_vnet_hdr(int fd); |
Michael S. Tsirkin | 445d892 | 2010-07-16 11:16:06 +0300 | [diff] [blame] | 52 | int tap_probe_vnet_hdr_len(int fd, int len); |
Mark McLoughlin | 9c28271 | 2009-10-22 17:49:16 +0100 | [diff] [blame] | 53 | int tap_probe_has_ufo(int fd); |
Mark McLoughlin | 1faac1f | 2009-10-22 17:49:15 +0100 | [diff] [blame] | 54 | void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo); |
Michael S. Tsirkin | 445d892 | 2010-07-16 11:16:06 +0300 | [diff] [blame] | 55 | void tap_fd_set_vnet_hdr_len(int fd, int len); |
Mark McLoughlin | 15ac913 | 2009-10-22 17:49:13 +0100 | [diff] [blame] | 56 | |
Michael S. Tsirkin | 95d528a | 2010-03-17 13:07:50 +0200 | [diff] [blame] | 57 | int tap_get_fd(VLANClientState *vc); |
| 58 | |
Michael S. Tsirkin | b202554 | 2010-03-17 13:08:38 +0200 | [diff] [blame] | 59 | struct vhost_net; |
| 60 | struct vhost_net *tap_get_vhost_net(VLANClientState *vc); |
| 61 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame^] | 62 | int net_init_bridge(QemuOpts *opts, const NetClientOptions *new_opts, |
| 63 | const char *name, VLANState *vlan); |
Corey Bryant | a7c36ee | 2012-01-26 09:42:27 -0500 | [diff] [blame] | 64 | |
Mark McLoughlin | a8ed73f | 2009-10-22 17:49:05 +0100 | [diff] [blame] | 65 | #endif /* QEMU_NET_TAP_H */ |