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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 POLYNOMIAL 0x04c11db6 | |
186 | unsigned compute_mcast_idx(const uint8_t *ep); | |
187 | ||
188 | #define vmstate_offset_macaddr(_state, _field) \ | |
189 | vmstate_offset_array(_state, _field.a, uint8_t, \ | |
190 | sizeof(typeof_field(_state, _field))) | |
191 | ||
192 | #define VMSTATE_MACADDR(_field, _state) { \ | |
193 | .name = (stringify(_field)), \ | |
194 | .size = sizeof(MACAddr), \ | |
195 | .info = &vmstate_info_buffer, \ | |
196 | .flags = VMS_BUFFER, \ | |
197 | .offset = vmstate_offset_macaddr(_state, _field), \ | |
198 | } | |
199 | ||
200 | #endif |