[mirror_qemu.git] / net / tap_int.h

/*
 * 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 NET_TAP_INT_H
#define NET_TAP_INT_H

#include "qemu-common.h"
#include "qapi/qapi-types-net.h"

int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
             int vnet_hdr_required, int mq_required, Error **errp);

ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);

void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp);
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_fd_set_vnet_le(int fd, int vnet_is_le);
int tap_fd_set_vnet_be(int fd, int vnet_is_be);
int tap_fd_enable(int fd);
int tap_fd_disable(int fd);
int tap_fd_get_ifname(int fd, char *ifname);

#endif /* NET_TAP_INT_H */
Commit	Line	Data
a8ed73f7 MM	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
121d0712 MA	26	#ifndef NET_TAP_INT_H
121d0712 MA	27	#define NET_TAP_INT_H
a8ed73f7 MM	28
a8ed73f7 MM	29	#include "qemu-common.h"
9af23989	30	#include "qapi/qapi-types-net.h"
a8ed73f7	31
264986e2	32	int tap_open(char ifname, int ifname_size, int vnet_hdr,
468dd824	33	int vnet_hdr_required, int mq_required, Error **errp);
e7e92325	34
966ea5ec MM	35	ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
966ea5ec MM	36
80b832c3	37	void tap_set_sndbuf(int fd, const NetdevTapOptions tap, Error *errp);
dc69004c	38	int tap_probe_vnet_hdr(int fd);
445d892f	39	int tap_probe_vnet_hdr_len(int fd, int len);
9c282718	40	int tap_probe_has_ufo(int fd);
1faac1f7	41	void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
445d892f	42	void tap_fd_set_vnet_hdr_len(int fd, int len);
c80cd6bb GK	43	int tap_fd_set_vnet_le(int fd, int vnet_is_le);
c80cd6bb GK	44	int tap_fd_set_vnet_be(int fd, int vnet_is_be);
94fdc6d0 JW	45	int tap_fd_enable(int fd);
94fdc6d0 JW	46	int tap_fd_disable(int fd);
e5dc0b40	47	int tap_fd_get_ifname(int fd, char *ifname);
15ac913b	48
121d0712	49	#endif /* NET_TAP_INT_H */