PPC: rename msync to msync_4xx
[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
41 NET_CLIENT_TYPE_MAX
42 } net_client_type;
43
44 typedef void (NetPoll)(VLANClientState *, bool enable);
45 typedef int (NetCanReceive)(VLANClientState *);
46 typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
47 typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
48 typedef void (NetCleanup) (VLANClientState *);
49 typedef void (LinkStatusChanged)(VLANClientState *);
50
51 typedef struct NetClientInfo {
52 net_client_type type;
53 size_t size;
54 NetReceive *receive;
55 NetReceive *receive_raw;
56 NetReceiveIOV *receive_iov;
57 NetCanReceive *can_receive;
58 NetCleanup *cleanup;
59 LinkStatusChanged *link_status_changed;
60 NetPoll *poll;
61 } NetClientInfo;
62
63 struct VLANClientState {
64 NetClientInfo *info;
65 int link_down;
66 QTAILQ_ENTRY(VLANClientState) next;
67 struct VLANState *vlan;
68 VLANClientState *peer;
69 NetQueue *send_queue;
70 char *model;
71 char *name;
72 char info_str[256];
73 unsigned receive_disabled : 1;
74 };
75
76 typedef struct NICState {
77 VLANClientState nc;
78 NICConf *conf;
79 void *opaque;
80 bool peer_deleted;
81 } NICState;
82
83 struct VLANState {
84 int id;
85 QTAILQ_HEAD(, VLANClientState) clients;
86 QTAILQ_ENTRY(VLANState) next;
87 NetQueue *send_queue;
88 };
89
90 VLANState *qemu_find_vlan(int id, int allocate);
91 VLANClientState *qemu_find_netdev(const char *id);
92 VLANClientState *qemu_new_net_client(NetClientInfo *info,
93 VLANState *vlan,
94 VLANClientState *peer,
95 const char *model,
96 const char *name);
97 NICState *qemu_new_nic(NetClientInfo *info,
98 NICConf *conf,
99 const char *model,
100 const char *name,
101 void *opaque);
102 void qemu_del_vlan_client(VLANClientState *vc);
103 VLANClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
104 const char *client_str);
105 typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
106 void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
107 int qemu_can_send_packet(VLANClientState *vc);
108 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
109 int iovcnt);
110 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
111 int iovcnt, NetPacketSent *sent_cb);
112 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
113 ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
114 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
115 int size, NetPacketSent *sent_cb);
116 void qemu_purge_queued_packets(VLANClientState *vc);
117 void qemu_flush_queued_packets(VLANClientState *vc);
118 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
119 void qemu_macaddr_default_if_unset(MACAddr *macaddr);
120 int qemu_show_nic_models(const char *arg, const char *const *models);
121 void qemu_check_nic_model(NICInfo *nd, const char *model);
122 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
123 const char *default_model);
124
125 void do_info_network(Monitor *mon);
126
127 /* NIC info */
128
129 #define MAX_NICS 8
130
131 struct NICInfo {
132 MACAddr macaddr;
133 char *model;
134 char *name;
135 char *devaddr;
136 VLANState *vlan;
137 VLANClientState *netdev;
138 int used; /* is this slot in nd_table[] being used? */
139 int instantiated; /* does this NICInfo correspond to an instantiated NIC? */
140 int nvectors;
141 };
142
143 extern int nb_nics;
144 extern NICInfo nd_table[MAX_NICS];
145 extern int default_net;
146
147 /* BT HCI info */
148
149 struct HCIInfo {
150 int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
151 void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
152 void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
153 void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
154 void *opaque;
155 void (*evt_recv)(void *opaque, const uint8_t *data, int len);
156 void (*acl_recv)(void *opaque, const uint8_t *data, int len);
157 };
158
159 struct HCIInfo *qemu_next_hci(void);
160
161 /* from net.c */
162 extern const char *legacy_tftp_prefix;
163 extern const char *legacy_bootp_filename;
164
165 int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev);
166 int net_client_parse(QemuOptsList *opts_list, const char *str);
167 int net_init_clients(void);
168 void net_check_clients(void);
169 void net_cleanup(void);
170 void net_host_device_add(Monitor *mon, const QDict *qdict);
171 void net_host_device_remove(Monitor *mon, const QDict *qdict);
172 int do_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
173 int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
174
175 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
176 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
177
178 void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
179
180 int net_handle_fd_param(Monitor *mon, const char *param);
181
182 #define vmstate_offset_macaddr(_state, _field) \
183 vmstate_offset_array(_state, _field.a, uint8_t, \
184 sizeof(typeof_field(_state, _field)))
185
186 #define VMSTATE_MACADDR(_field, _state) { \
187 .name = (stringify(_field)), \
188 .size = sizeof(MACAddr), \
189 .info = &vmstate_info_buffer, \
190 .flags = VMS_BUFFER, \
191 .offset = vmstate_offset_macaddr(_state, _field), \
192 }
193
194 #endif