4 #include "qemu/queue.h"
5 #include "qemu-common.h"
6 #include "qapi/qmp/qdict.h"
7 #include "qemu/option.h"
9 #include "migration/vmstate.h"
10 #include "qapi-types.h"
16 /* qdev nic properties */
18 typedef struct NICConf
{
24 #define DEFINE_NIC_PROPERTIES(_state, _conf) \
25 DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \
26 DEFINE_PROP_VLAN("vlan", _state, _conf.peer), \
27 DEFINE_PROP_NETDEV("netdev", _state, _conf.peer), \
28 DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1)
32 typedef void (NetPoll
)(NetClientState
*, bool enable
);
33 typedef int (NetCanReceive
)(NetClientState
*);
34 typedef ssize_t (NetReceive
)(NetClientState
*, const uint8_t *, size_t);
35 typedef ssize_t (NetReceiveIOV
)(NetClientState
*, const struct iovec
*, int);
36 typedef void (NetCleanup
) (NetClientState
*);
37 typedef void (LinkStatusChanged
)(NetClientState
*);
39 typedef struct NetClientInfo
{
40 NetClientOptionsKind type
;
43 NetReceive
*receive_raw
;
44 NetReceiveIOV
*receive_iov
;
45 NetCanReceive
*can_receive
;
47 LinkStatusChanged
*link_status_changed
;
51 struct NetClientState
{
54 QTAILQ_ENTRY(NetClientState
) next
;
60 unsigned receive_disabled
: 1;
63 typedef struct NICState
{
70 NetClientState
*qemu_find_netdev(const char *id
);
71 NetClientState
*qemu_new_net_client(NetClientInfo
*info
,
75 NICState
*qemu_new_nic(NetClientInfo
*info
,
80 void qemu_del_nic(NICState
*nic
);
81 NetClientState
*qemu_get_queue(NICState
*nic
);
82 NICState
*qemu_get_nic(NetClientState
*nc
);
83 void *qemu_get_nic_opaque(NetClientState
*nc
);
84 void qemu_del_net_client(NetClientState
*nc
);
85 NetClientState
*qemu_find_vlan_client_by_name(Monitor
*mon
, int vlan_id
,
86 const char *client_str
);
87 typedef void (*qemu_nic_foreach
)(NICState
*nic
, void *opaque
);
88 void qemu_foreach_nic(qemu_nic_foreach func
, void *opaque
);
89 int qemu_can_send_packet(NetClientState
*nc
);
90 ssize_t
qemu_sendv_packet(NetClientState
*nc
, const struct iovec
*iov
,
92 ssize_t
qemu_sendv_packet_async(NetClientState
*nc
, const struct iovec
*iov
,
93 int iovcnt
, NetPacketSent
*sent_cb
);
94 void qemu_send_packet(NetClientState
*nc
, const uint8_t *buf
, int size
);
95 ssize_t
qemu_send_packet_raw(NetClientState
*nc
, const uint8_t *buf
, int size
);
96 ssize_t
qemu_send_packet_async(NetClientState
*nc
, const uint8_t *buf
,
97 int size
, NetPacketSent
*sent_cb
);
98 void qemu_purge_queued_packets(NetClientState
*nc
);
99 void qemu_flush_queued_packets(NetClientState
*nc
);
100 void qemu_format_nic_info_str(NetClientState
*nc
, uint8_t macaddr
[6]);
101 void qemu_macaddr_default_if_unset(MACAddr
*macaddr
);
102 int qemu_show_nic_models(const char *arg
, const char *const *models
);
103 void qemu_check_nic_model(NICInfo
*nd
, const char *model
);
104 int qemu_find_nic_model(NICInfo
*nd
, const char * const *models
,
105 const char *default_model
);
107 ssize_t
qemu_deliver_packet(NetClientState
*sender
,
112 ssize_t
qemu_deliver_packet_iov(NetClientState
*sender
,
114 const struct iovec
*iov
,
118 void print_net_client(Monitor
*mon
, NetClientState
*nc
);
119 void do_info_network(Monitor
*mon
, const QDict
*qdict
);
130 NetClientState
*netdev
;
131 int used
; /* is this slot in nd_table[] being used? */
132 int instantiated
; /* does this NICInfo correspond to an instantiated NIC? */
137 extern NICInfo nd_table
[MAX_NICS
];
138 extern int default_net
;
141 extern const char *legacy_tftp_prefix
;
142 extern const char *legacy_bootp_filename
;
144 int net_client_init(QemuOpts
*opts
, int is_netdev
, Error
**errp
);
145 int net_client_parse(QemuOptsList
*opts_list
, const char *str
);
146 int net_init_clients(void);
147 void net_check_clients(void);
148 void net_cleanup(void);
149 void net_host_device_add(Monitor
*mon
, const QDict
*qdict
);
150 void net_host_device_remove(Monitor
*mon
, const QDict
*qdict
);
151 void netdev_add(QemuOpts
*opts
, Error
**errp
);
152 int qmp_netdev_add(Monitor
*mon
, const QDict
*qdict
, QObject
**ret
);
154 int net_hub_id_for_client(NetClientState
*nc
, int *id
);
155 NetClientState
*net_hub_port_find(int hub_id
);
157 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
158 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
159 #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper"
160 #define DEFAULT_BRIDGE_INTERFACE "br0"
162 void qdev_set_nic_properties(DeviceState
*dev
, NICInfo
*nd
);
164 #define POLYNOMIAL 0x04c11db6
165 unsigned compute_mcast_idx(const uint8_t *ep
);
167 #define vmstate_offset_macaddr(_state, _field) \
168 vmstate_offset_array(_state, _field.a, uint8_t, \
169 sizeof(typeof_field(_state, _field)))
171 #define VMSTATE_MACADDR(_field, _state) { \
172 .name = (stringify(_field)), \
173 .size = sizeof(MACAddr), \
174 .info = &vmstate_info_buffer, \
175 .flags = VMS_BUFFER, \
176 .offset = vmstate_offset_macaddr(_state, _field), \