/*
* network_conf.h: network XML handling
*
* Copyright (C) 2006-2014 Red Hat, Inc.
* Copyright (C) 2006-2008 Daniel P. Berrange
*
* 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
* .
*
* Author: Daniel P. Berrange
*/
#ifndef __NETWORK_CONF_H__
# define __NETWORK_CONF_H__
# define DNS_RECORD_LENGTH_SRV (512 - 30) /* Limit minus overhead as mentioned in RFC-2782 */
# include
# include
# include
# include "internal.h"
# include "virthread.h"
# include "virsocketaddr.h"
# include "virnetdevbandwidth.h"
# include "virnetdevvportprofile.h"
# include "virnetdevvlan.h"
# include "virmacaddr.h"
# include "device_conf.h"
# include "virbitmap.h"
# include "networkcommon_conf.h"
typedef enum {
VIR_NETWORK_FORWARD_NONE = 0,
VIR_NETWORK_FORWARD_NAT,
VIR_NETWORK_FORWARD_ROUTE,
VIR_NETWORK_FORWARD_BRIDGE,
VIR_NETWORK_FORWARD_PRIVATE,
VIR_NETWORK_FORWARD_VEPA,
VIR_NETWORK_FORWARD_PASSTHROUGH,
VIR_NETWORK_FORWARD_HOSTDEV,
VIR_NETWORK_FORWARD_LAST,
} virNetworkForwardType;
typedef enum {
VIR_NETWORK_BRIDGE_MAC_TABLE_MANAGER_DEFAULT = 0,
VIR_NETWORK_BRIDGE_MAC_TABLE_MANAGER_KERNEL,
VIR_NETWORK_BRIDGE_MAC_TABLE_MANAGER_LIBVIRT,
VIR_NETWORK_BRIDGE_MAC_TABLE_MANAGER_LAST,
} virNetworkBridgeMACTableManagerType;
VIR_ENUM_DECL(virNetworkBridgeMACTableManager)
typedef enum {
VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_NONE = 0,
VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_PCI,
VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_NETDEV,
/* USB Device to be added here when supported */
VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_LAST,
} virNetworkForwardHostdevDeviceType;
/* The backend driver used for devices from the pool. Currently used
* only for PCI devices (vfio vs. kvm), but could be used for other
* device types in the future.
*/
typedef enum {
VIR_NETWORK_FORWARD_DRIVER_NAME_DEFAULT, /* kvm now, could change */
VIR_NETWORK_FORWARD_DRIVER_NAME_KVM, /* force legacy kvm style */
VIR_NETWORK_FORWARD_DRIVER_NAME_VFIO, /* force vfio */
VIR_NETWORK_FORWARD_DRIVER_NAME_LAST
} virNetworkForwardDriverNameType;
VIR_ENUM_DECL(virNetworkForwardDriverName)
typedef struct _virNetworkDHCPHostDef virNetworkDHCPHostDef;
typedef virNetworkDHCPHostDef *virNetworkDHCPHostDefPtr;
struct _virNetworkDHCPHostDef {
char *mac;
char *id;
char *name;
virSocketAddr ip;
};
typedef struct _virNetworkDNSTxtDef virNetworkDNSTxtDef;
typedef virNetworkDNSTxtDef *virNetworkDNSTxtDefPtr;
struct _virNetworkDNSTxtDef {
char *name;
char *value;
};
typedef struct _virNetworkDNSSrvDef virNetworkDNSSrvDef;
typedef virNetworkDNSSrvDef *virNetworkDNSSrvDefPtr;
struct _virNetworkDNSSrvDef {
char *domain;
char *service;
char *protocol;
char *target;
unsigned int port;
unsigned int priority;
unsigned int weight;
};
typedef struct _virNetworkDNSHostDef virNetworkDNSHostDef;
typedef virNetworkDNSHostDef *virNetworkDNSHostDefPtr;
struct _virNetworkDNSHostDef {
virSocketAddr ip;
size_t nnames;
char **names;
};
typedef struct _virNetworkDNSDef virNetworkDNSDef;
typedef virNetworkDNSDef *virNetworkDNSDefPtr;
struct _virNetworkDNSDef {
int forwardPlainNames; /* enum virTristateBool */
size_t ntxts;
virNetworkDNSTxtDefPtr txts;
size_t nhosts;
virNetworkDNSHostDefPtr hosts;
size_t nsrvs;
virNetworkDNSSrvDefPtr srvs;
size_t nfwds;
char **forwarders;
};
typedef struct _virNetworkIpDef virNetworkIpDef;
typedef virNetworkIpDef *virNetworkIpDefPtr;
struct _virNetworkIpDef {
char *family; /* ipv4 or ipv6 - default is ipv4 */
virSocketAddr address; /* Bridge IP address */
/* One or the other of the following two will be used for a given
* IP address, but never both. The parser guarantees this.
* Use virNetworkIpDefPrefix/virNetworkIpDefNetmask rather
* than accessing the data directly - these utility functions
* will convert one into the other as necessary.
*/
unsigned int prefix; /* ipv6 - only prefix allowed */
virSocketAddr netmask; /* ipv4 - either netmask or prefix specified */
size_t nranges; /* Zero or more dhcp ranges */
virSocketAddrRangePtr ranges;
size_t nhosts; /* Zero or more dhcp hosts */
virNetworkDHCPHostDefPtr hosts;
char *tftproot;
char *bootfile;
virSocketAddr bootserver;
};
typedef struct _virNetworkForwardIfDef virNetworkForwardIfDef;
typedef virNetworkForwardIfDef *virNetworkForwardIfDefPtr;
struct _virNetworkForwardIfDef {
int type;
union {
virDevicePCIAddress pci; /*PCI Address of device */
/* when USB devices are supported a new variable to be added here */
char *dev; /* name of device */
}device;
int connections; /* how many guest interfaces are connected to this device? */
};
typedef struct _virNetworkForwardPfDef virNetworkForwardPfDef;
typedef virNetworkForwardPfDef *virNetworkForwardPfDefPtr;
struct _virNetworkForwardPfDef {
char *dev; /* name of device */
int connections; /* how many guest interfaces are connected to this device? */
};
typedef struct _virNetworkForwardDef virNetworkForwardDef;
typedef virNetworkForwardDef *virNetworkForwardDefPtr;
struct _virNetworkForwardDef {
int type; /* One of virNetworkForwardType constants */
bool managed; /* managed attribute for hostdev mode */
int driverName; /* enum virNetworkForwardDriverNameType */
/* If there are multiple forward devices (i.e. a pool of
* interfaces), they will be listed here.
*/
size_t npfs;
virNetworkForwardPfDefPtr pfs;
size_t nifs;
virNetworkForwardIfDefPtr ifs;
/* ranges for NAT */
virSocketAddrRange addr;
virPortRange port;
};
typedef struct _virPortGroupDef virPortGroupDef;
typedef virPortGroupDef *virPortGroupDefPtr;
struct _virPortGroupDef {
char *name;
bool isDefault;
virNetDevVPortProfilePtr virtPortProfile;
virNetDevBandwidthPtr bandwidth;
virNetDevVlan vlan;
int trustGuestRxFilters; /* enum virTristateBool */
};
typedef struct _virNetworkDef virNetworkDef;
typedef virNetworkDef *virNetworkDefPtr;
struct _virNetworkDef {
unsigned char uuid[VIR_UUID_BUFLEN];
bool uuid_specified;
char *name;
int connections; /* # of guest interfaces connected to this network */
char *bridge; /* Name of bridge device */
int macTableManager; /* enum virNetworkBridgeMACTableManager */
char *domain;
int domainLocalOnly; /* enum virTristateBool: yes disables dns forwarding */
unsigned long delay; /* Bridge forward delay (ms) */
bool stp; /* Spanning tree protocol */
virMacAddr mac; /* mac address of bridge device */
bool mac_specified;
/* specified if ip6tables rules added
* when no ipv6 gateway addresses specified.
*/
bool ipv6nogw;
virNetworkForwardDef forward;
size_t nips;
virNetworkIpDefPtr ips; /* ptr to array of IP addresses on this network */
size_t nroutes;
virNetworkRouteDefPtr *routes; /* ptr to array of static routes on this interface */
virNetworkDNSDef dns; /* dns related configuration */
virNetDevVPortProfilePtr virtPortProfile;
size_t nPortGroups;
virPortGroupDefPtr portGroups;
virNetDevBandwidthPtr bandwidth;
virNetDevVlan vlan;
int trustGuestRxFilters; /* enum virTristateBool */
};
typedef struct _virNetworkObj virNetworkObj;
typedef virNetworkObj *virNetworkObjPtr;
struct _virNetworkObj {
virMutex lock;
pid_t dnsmasqPid;
pid_t radvdPid;
unsigned int active : 1;
unsigned int autostart : 1;
unsigned int persistent : 1;
virNetworkDefPtr def; /* The current definition */
virNetworkDefPtr newDef; /* New definition to activate at shutdown */
virBitmapPtr class_id; /* bitmap of class IDs for QoS */
unsigned long long floor_sum; /* sum of all 'floor'-s of attached NICs */
unsigned int taint;
};
typedef struct _virNetworkObjList virNetworkObjList;
typedef virNetworkObjList *virNetworkObjListPtr;
struct _virNetworkObjList {
size_t count;
virNetworkObjPtr *objs;
};
typedef enum {
VIR_NETWORK_TAINT_HOOK, /* Hook script was executed over
network. We can't guarantee
connectivity or other settings
as the script may have played
with iptables, tc, you name it.
*/
VIR_NETWORK_TAINT_LAST
} virNetworkTaintFlags;
static inline int
virNetworkObjIsActive(const virNetworkObj *net)
{
return net->active;
}
bool virNetworkObjTaint(virNetworkObjPtr obj,
virNetworkTaintFlags taint);
virNetworkObjPtr virNetworkObjFindByUUID(virNetworkObjListPtr nets,
const unsigned char *uuid);
virNetworkObjPtr virNetworkObjFindByName(virNetworkObjListPtr nets,
const char *name);
void virNetworkDefFree(virNetworkDefPtr def);
void virNetworkObjFree(virNetworkObjPtr net);
void virNetworkObjListFree(virNetworkObjListPtr nets);
typedef bool (*virNetworkObjListFilter)(virConnectPtr conn,
virNetworkDefPtr def);
virNetworkObjPtr virNetworkAssignDef(virNetworkObjListPtr nets,
virNetworkDefPtr def,
bool live);
void virNetworkObjAssignDef(virNetworkObjPtr network,
virNetworkDefPtr def,
bool live);
int virNetworkObjSetDefTransient(virNetworkObjPtr network, bool live);
void virNetworkObjUnsetDefTransient(virNetworkObjPtr network);
virNetworkDefPtr virNetworkObjGetPersistentDef(virNetworkObjPtr network);
int virNetworkObjReplacePersistentDef(virNetworkObjPtr network,
virNetworkDefPtr def);
virNetworkDefPtr virNetworkDefCopy(virNetworkDefPtr def, unsigned int flags);
int virNetworkConfigChangeSetup(virNetworkObjPtr dom, unsigned int flags);
void virNetworkRemoveInactive(virNetworkObjListPtr nets,
virNetworkObjPtr net);
virNetworkDefPtr virNetworkDefParseString(const char *xmlStr);
virNetworkDefPtr virNetworkDefParseFile(const char *filename);
virNetworkDefPtr virNetworkDefParseNode(xmlDocPtr xml,
xmlNodePtr root);
char *virNetworkDefFormat(const virNetworkDef *def, unsigned int flags);
int virNetworkDefFormatBuf(virBufferPtr buf,
const virNetworkDef *def,
unsigned int flags);
static inline const char *
virNetworkDefForwardIf(const virNetworkDef *def, size_t n)
{
return ((def->forward.ifs && (def->forward.nifs > n) &&
def->forward.ifs[n].type == VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_NETDEV)
? def->forward.ifs[n].device.dev : NULL);
}
virPortGroupDefPtr virPortGroupFindByName(virNetworkDefPtr net,
const char *portgroup);
virNetworkIpDefPtr
virNetworkDefGetIpByIndex(const virNetworkDef *def,
int family, size_t n);
int virNetworkIpDefPrefix(const virNetworkIpDef *def);
int virNetworkIpDefNetmask(const virNetworkIpDef *def,
virSocketAddrPtr netmask);
int virNetworkSaveXML(const char *configDir,
virNetworkDefPtr def,
const char *xml);
int virNetworkSaveConfig(const char *configDir,
virNetworkDefPtr def);
int virNetworkSaveStatus(const char *statusDir,
virNetworkObjPtr net) ATTRIBUTE_RETURN_CHECK;
virNetworkObjPtr virNetworkLoadConfig(virNetworkObjListPtr nets,
const char *configDir,
const char *autostartDir,
const char *file);
virNetworkObjPtr virNetworkLoadState(virNetworkObjListPtr nets,
const char *stateDir,
const char *name);
int virNetworkLoadAllConfigs(virNetworkObjListPtr nets,
const char *configDir,
const char *autostartDir);
int virNetworkLoadAllState(virNetworkObjListPtr nets,
const char *stateDir);
int virNetworkDeleteConfig(const char *configDir,
const char *autostartDir,
virNetworkObjPtr net);
char *virNetworkConfigFile(const char *dir,
const char *name);
int virNetworkBridgeInUse(virNetworkObjListPtr nets,
const char *bridge,
const char *skipname);
char *virNetworkAllocateBridge(virNetworkObjListPtr nets,
const char *template);
int virNetworkSetBridgeName(virNetworkObjListPtr nets,
virNetworkDefPtr def,
int check_collision);
void virNetworkSetBridgeMacAddr(virNetworkDefPtr def);
int
virNetworkObjUpdate(virNetworkObjPtr obj,
unsigned int command, /* virNetworkUpdateCommand */
unsigned int section, /* virNetworkUpdateSection */
int parentIndex,
const char *xml,
unsigned int flags); /* virNetworkUpdateFlags */
int virNetworkObjIsDuplicate(virNetworkObjListPtr nets,
virNetworkDefPtr def,
bool check_active);
void virNetworkObjLock(virNetworkObjPtr obj);
void virNetworkObjUnlock(virNetworkObjPtr obj);
VIR_ENUM_DECL(virNetworkForward)
# define VIR_CONNECT_LIST_NETWORKS_FILTERS_ACTIVE \
(VIR_CONNECT_LIST_NETWORKS_ACTIVE | \
VIR_CONNECT_LIST_NETWORKS_INACTIVE)
# define VIR_CONNECT_LIST_NETWORKS_FILTERS_PERSISTENT \
(VIR_CONNECT_LIST_NETWORKS_PERSISTENT | \
VIR_CONNECT_LIST_NETWORKS_TRANSIENT)
# define VIR_CONNECT_LIST_NETWORKS_FILTERS_AUTOSTART \
(VIR_CONNECT_LIST_NETWORKS_AUTOSTART | \
VIR_CONNECT_LIST_NETWORKS_NO_AUTOSTART)
# define VIR_CONNECT_LIST_NETWORKS_FILTERS_ALL \
(VIR_CONNECT_LIST_NETWORKS_FILTERS_ACTIVE | \
VIR_CONNECT_LIST_NETWORKS_FILTERS_PERSISTENT | \
VIR_CONNECT_LIST_NETWORKS_FILTERS_AUTOSTART)
int virNetworkObjListExport(virConnectPtr conn,
virNetworkObjListPtr netobjs,
virNetworkPtr **nets,
virNetworkObjListFilter filter,
unsigned int flags);
/* for testing */
int
virNetworkDefUpdateSection(virNetworkDefPtr def,
unsigned int command, /* virNetworkUpdateCommand */
unsigned int section, /* virNetworkUpdateSection */
int parentIndex,
const char *xml,
unsigned int flags); /* virNetworkUpdateFlags */
VIR_ENUM_DECL(virNetworkTaint)
#endif /* __NETWORK_CONF_H__ */