qdev: remove baked in notion of aliases (v2)
[qemu.git] / net.h
1 #ifndef QEMU_NET_H
2 #define QEMU_NET_H
3
4 #include "qemu-queue.h"
5 #include "qemu-common.h"
6 #include "qdict.h"
7 #include "qemu-option.h"
8 #include "net/queue.h"
9 #include "vmstate.h"
10
11 struct MACAddr {
12 uint8_t a[6];
13 };
14
15 /* qdev nic properties */
16
17 typedef struct NICConf {
18 MACAddr macaddr;
19 VLANState *vlan;
20 VLANClientState *peer;
21 int32_t bootindex;
22 } NICConf;
23
24 #define DEFINE_NIC_PROPERTIES(_state, _conf) \
25 DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \
26 DEFINE_PROP_VLAN("vlan", _state, _conf.vlan), \
27 DEFINE_PROP_NETDEV("netdev", _state, _conf.peer), \
28 DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1)
29
30 /* VLANs support */
31
32 typedef enum {
33 NET_CLIENT_TYPE_NONE,
34 NET_CLIENT_TYPE_NIC,
35 NET_CLIENT_TYPE_USER,
36 NET_CLIENT_TYPE_TAP,
37 NET_CLIENT_TYPE_SOCKET,
38 NET_CLIENT_TYPE_VDE,
39 NET_CLIENT_TYPE_DUMP,
40 NET_CLIENT_TYPE_BRIDGE,
41
42 NET_CLIENT_TYPE_MAX
43 } net_client_type;
44
45 typedef void (NetPoll)(VLANClientState *, bool enable);
46 typedef int (NetCanReceive)(VLANClientState *);
47 typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
48 typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
49 typedef void (NetCleanup) (VLANClientState *);
50 typedef void (LinkStatusChanged)(VLANClientState *);
51
52 typedef struct NetClientInfo {
53 net_client_type type;
54 size_t size;
55 NetReceive *receive;
56 NetReceive *receive_raw;
57 NetReceiveIOV *receive_iov;
58 NetCanReceive *can_receive;
59 NetCleanup *cleanup;
60 LinkStatusChanged *link_status_changed;
61 NetPoll *poll;
62 } NetClientInfo;
63
64 struct VLANClientState {
65 NetClientInfo *info;
66 int link_down;
67 QTAILQ_ENTRY(VLANClientState) next;
68 struct VLANState *vlan;
69 VLANClientState *peer;
70 NetQueue *send_queue;
71 char *model;
72 char *name;
73 char info_str[256];
74 unsigned receive_disabled : 1;
75 };
76
77 typedef struct NICState {
78 VLANClientState nc;
79 NICConf *conf;
80 void *opaque;
81 bool peer_deleted;
82 } NICState;
83
84 struct VLANState {
85 int id;
86 QTAILQ_HEAD(, VLANClientState) clients;
87 QTAILQ_ENTRY(VLANState) next;
88 NetQueue *send_queue;
89 };
90
91 VLANState *qemu_find_vlan(int id, int allocate);
92 VLANClientState *qemu_find_netdev(const char *id);
93 VLANClientState *qemu_new_net_client(NetClientInfo *info,
94 VLANState *vlan,
95 VLANClientState *peer,
96 const char *model,
97 const char *name);
98 NICState *qemu_new_nic(NetClientInfo *info,
99 NICConf *conf,
100 const char *model,
101 const char *name,
102 void *opaque);
103 void qemu_del_vlan_client(VLANClientState *vc);
104 VLANClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
105 const char *client_str);
106 typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
107 void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
108 int qemu_can_send_packet(VLANClientState *vc);
109 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
110 int iovcnt);
111 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
112 int iovcnt, NetPacketSent *sent_cb);
113 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
114 ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
115 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
116 int size, NetPacketSent *sent_cb);
117 void qemu_purge_queued_packets(VLANClientState *vc);
118 void qemu_flush_queued_packets(VLANClientState *vc);
119 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
120 void qemu_macaddr_default_if_unset(MACAddr *macaddr);
121 int qemu_show_nic_models(const char *arg, const char *const *models);
122 void qemu_check_nic_model(NICInfo *nd, const char *model);
123 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
124 const char *default_model);
125
126 void do_info_network(Monitor *mon);
127
128 /* NIC info */
129
130 #define MAX_NICS 8
131
132 struct NICInfo {
133 MACAddr macaddr;
134 char *model;
135 char *name;
136 char *devaddr;
137 VLANState *vlan;
138 VLANClientState *netdev;
139 int used; /* is this slot in nd_table[] being used? */
140 int instantiated; /* does this NICInfo correspond to an instantiated NIC? */
141 int nvectors;
142 };
143
144 extern int nb_nics;
145 extern NICInfo nd_table[MAX_NICS];
146 extern int default_net;
147
148 /* BT HCI info */
149
150 struct HCIInfo {
151 int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
152 void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
153 void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
154 void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
155 void *opaque;
156 void (*evt_recv)(void *opaque, const uint8_t *data, int len);
157 void (*acl_recv)(void *opaque, const uint8_t *data, int len);
158 };
159
160 struct HCIInfo *qemu_next_hci(void);
161
162 /* from net.c */
163 extern const char *legacy_tftp_prefix;
164 extern const char *legacy_bootp_filename;
165
166 int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev);
167 int net_client_parse(QemuOptsList *opts_list, const char *str);
168 int net_init_clients(void);
169 void net_check_clients(void);
170 void net_cleanup(void);
171 void net_host_device_add(Monitor *mon, const QDict *qdict);
172 void net_host_device_remove(Monitor *mon, const QDict *qdict);
173 int do_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
174 int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
175
176 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
177 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
178 #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper"
179 #define DEFAULT_BRIDGE_INTERFACE "br0"
180
181 void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
182
183 int net_handle_fd_param(Monitor *mon, const char *param);
184
185 #define vmstate_offset_macaddr(_state, _field) \
186 vmstate_offset_array(_state, _field.a, uint8_t, \
187 sizeof(typeof_field(_state, _field)))
188
189 #define VMSTATE_MACADDR(_field, _state) { \
190 .name = (stringify(_field)), \
191 .size = sizeof(MACAddr), \
192 .info = &vmstate_info_buffer, \
193 .flags = VMS_BUFFER, \
194 .offset = vmstate_offset_macaddr(_state, _field), \
195 }
196
197 #endif