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#include "qapi-types.h"
11
12struct MACAddr {
13 uint8_t a[6];
14};
15
16
17
18typedef struct NICConf {
19 MACAddr macaddr;
20 NetClientState *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.peer), \
27 DEFINE_PROP_NETDEV("netdev", _state, _conf.peer), \
28 DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1)
29
30
31
32typedef void (NetPoll)(NetClientState *, bool enable);
33typedef int (NetCanReceive)(NetClientState *);
34typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
35typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
36typedef void (NetCleanup) (NetClientState *);
37typedef void (LinkStatusChanged)(NetClientState *);
38
39typedef struct NetClientInfo {
40 NetClientOptionsKind type;
41 size_t size;
42 NetReceive *receive;
43 NetReceive *receive_raw;
44 NetReceiveIOV *receive_iov;
45 NetCanReceive *can_receive;
46 NetCleanup *cleanup;
47 LinkStatusChanged *link_status_changed;
48 NetPoll *poll;
49} NetClientInfo;
50
51struct NetClientState {
52 NetClientInfo *info;
53 int link_down;
54 QTAILQ_ENTRY(NetClientState) next;
55 NetClientState *peer;
56 NetQueue *send_queue;
57 char *model;
58 char *name;
59 char info_str[256];
60 unsigned receive_disabled : 1;
61};
62
63typedef struct NICState {
64 NetClientState nc;
65 NICConf *conf;
66 void *opaque;
67 bool peer_deleted;
68} NICState;
69
70NetClientState *qemu_find_netdev(const char *id);
71NetClientState *qemu_new_net_client(NetClientInfo *info,
72 NetClientState *peer,
73 const char *model,
74 const char *name);
75NICState *qemu_new_nic(NetClientInfo *info,
76 NICConf *conf,
77 const char *model,
78 const char *name,
79 void *opaque);
80void qemu_del_net_client(NetClientState *nc);
81NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
82 const char *client_str);
83typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
84void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
85int qemu_can_send_packet(NetClientState *nc);
86ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov,
87 int iovcnt);
88ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov,
89 int iovcnt, NetPacketSent *sent_cb);
90void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size);
91ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size);
92ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf,
93 int size, NetPacketSent *sent_cb);
94void qemu_purge_queued_packets(NetClientState *nc);
95void qemu_flush_queued_packets(NetClientState *nc);
96void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]);
97void qemu_macaddr_default_if_unset(MACAddr *macaddr);
98int qemu_show_nic_models(const char *arg, const char *const *models);
99void qemu_check_nic_model(NICInfo *nd, const char *model);
100int qemu_find_nic_model(NICInfo *nd, const char * const *models,
101 const char *default_model);
102
103ssize_t qemu_deliver_packet(NetClientState *sender,
104 unsigned flags,
105 const uint8_t *data,
106 size_t size,
107 void *opaque);
108ssize_t qemu_deliver_packet_iov(NetClientState *sender,
109 unsigned flags,
110 const struct iovec *iov,
111 int iovcnt,
112 void *opaque);
113
114void print_net_client(Monitor *mon, NetClientState *nc);
115void do_info_network(Monitor *mon);
116
117
118
119#define MAX_NICS 8
120
121struct NICInfo {
122 MACAddr macaddr;
123 char *model;
124 char *name;
125 char *devaddr;
126 NetClientState *netdev;
127 int used;
128 int instantiated;
129 int nvectors;
130};
131
132extern int nb_nics;
133extern NICInfo nd_table[MAX_NICS];
134extern int default_net;
135
136
137
138struct HCIInfo {
139 int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
140 void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
141 void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
142 void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
143 void *opaque;
144 void (*evt_recv)(void *opaque, const uint8_t *data, int len);
145 void (*acl_recv)(void *opaque, const uint8_t *data, int len);
146};
147
148struct HCIInfo *qemu_next_hci(void);
149
150
151extern const char *legacy_tftp_prefix;
152extern const char *legacy_bootp_filename;
153
154int net_client_init(QemuOpts *opts, int is_netdev, Error **errp);
155int net_client_parse(QemuOptsList *opts_list, const char *str);
156int net_init_clients(void);
157void net_check_clients(void);
158void net_cleanup(void);
159void net_host_device_add(Monitor *mon, const QDict *qdict);
160void net_host_device_remove(Monitor *mon, const QDict *qdict);
161void netdev_add(QemuOpts *opts, Error **errp);
162int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret);
163
164#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
165#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
166#define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper"
167#define DEFAULT_BRIDGE_INTERFACE "br0"
168
169void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
170
171int net_handle_fd_param(Monitor *mon, const char *param);
172
173#define POLYNOMIAL 0x04c11db6
174unsigned compute_mcast_idx(const uint8_t *ep);
175
176#define vmstate_offset_macaddr(_state, _field) \
177 vmstate_offset_array(_state, _field.a, uint8_t, \
178 sizeof(typeof_field(_state, _field)))
179
180#define VMSTATE_MACADDR(_field, _state) { \
181 .name = (stringify(_field)), \
182 .size = sizeof(MACAddr), \
183 .info = &vmstate_info_buffer, \
184 .flags = VMS_BUFFER, \
185 .offset = vmstate_offset_macaddr(_state, _field), \
186}
187
188#endif
189
