libvirt/src/util/virnetdevtap.h
Daniel P. Berrange c5b6a4a5cb Change int to size_t in size var for tap/vhost FDs
A number of methods take an int for a parameter that indicates
the size of an array. The correct type for array sizes is
size_t
2015-01-15 11:07:13 +00:00

80 lines
2.9 KiB
C

/*
* Copyright (C) 2007-2011, 2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Authors:
* Mark McLoughlin <markmc@redhat.com>
* Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __VIR_NETDEV_TAP_H__
# define __VIR_NETDEV_TAP_H__
# include "internal.h"
# include "virnetdevvportprofile.h"
# include "virnetdevvlan.h"
# ifdef __FreeBSD__
/* This should be defined on OSes that don't automatically
* cleanup released devices */
# define VIR_NETDEV_TAP_REQUIRE_MANUAL_CLEANUP 1
# endif
int virNetDevTapCreate(char **ifname,
const char *tunpath,
int *tapfd,
size_t tapfdSize,
unsigned int flags)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
int virNetDevTapDelete(const char *ifname,
const char *tunpath)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
int virNetDevTapGetName(int tapfd, char **ifname)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
char* virNetDevTapGetRealDeviceName(char *ifname)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
typedef enum {
VIR_NETDEV_TAP_CREATE_NONE = 0,
/* Bring the interface up */
VIR_NETDEV_TAP_CREATE_IFUP = 1 << 0,
/* Enable IFF_VNET_HDR on the tap device */
VIR_NETDEV_TAP_CREATE_VNET_HDR = 1 << 1,
/* Set this interface's MAC as the bridge's MAC address */
VIR_NETDEV_TAP_CREATE_USE_MAC_FOR_BRIDGE = 1 << 2,
/* The device will persist after the file descriptor is closed */
VIR_NETDEV_TAP_CREATE_PERSIST = 1 << 3,
} virNetDevTapCreateFlags;
int virNetDevTapCreateInBridgePort(const char *brname,
char **ifname,
const virMacAddr *macaddr,
const unsigned char *vmuuid,
const char *tunpath,
int *tapfd,
size_t tapfdSize,
virNetDevVPortProfilePtr virtPortProfile,
virNetDevVlanPtr virtVlan,
unsigned int flags)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
ATTRIBUTE_RETURN_CHECK;
#endif /* __VIR_NETDEV_TAP_H__ */