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/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
* Copyright (c) 2009 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_NET_TAP_H
#define QEMU_NET_TAP_H
#include "qemu-common.h"
#include "qemu-option.h"
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan);
int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required);
ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
int tap_has_ufo(VLANClientState *vc);
int tap_has_vnet_hdr(VLANClientState *vc);
int tap_has_vnet_hdr_len(VLANClientState *vc, int len);
void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr);
void tap_set_offload(VLANClientState *vc, int csum, int tso4, int tso6, int ecn, int ufo);
void tap_set_vnet_hdr_len(VLANClientState *vc, int len);
int tap_set_sndbuf(int fd, QemuOpts *opts);
int tap_probe_vnet_hdr(int fd);
int tap_probe_vnet_hdr_len(int fd, int len);
int tap_probe_has_ufo(int fd);
void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
void tap_fd_set_vnet_hdr_len(int fd, int len);
int tap_get_fd(VLANClientState *vc);
struct vhost_net;
struct vhost_net *tap_get_vhost_net(VLANClientState *vc);
#endif /* QEMU_NET_TAP_H */
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