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87ecb68b PB |
1 | #ifndef QEMU_NET_H |
2 | #define QEMU_NET_H | |
3 | ||
1de7afc9 | 4 | #include "qemu/queue.h" |
fbe78f4f | 5 | #include "qemu-common.h" |
7b1b5d19 | 6 | #include "qapi/qmp/qdict.h" |
1de7afc9 | 7 | #include "qemu/option.h" |
e1144d00 | 8 | #include "net/queue.h" |
caf71f86 | 9 | #include "migration/vmstate.h" |
2be64a68 | 10 | #include "qapi-types.h" |
fbe78f4f | 11 | |
76d32cba GH |
12 | struct MACAddr { |
13 | uint8_t a[6]; | |
14 | }; | |
15 | ||
ed16ab5a GH |
16 | /* qdev nic properties */ |
17 | ||
18 | typedef struct NICConf { | |
19 | MACAddr macaddr; | |
4e68f7a0 | 20 | NetClientState *peer; |
1ca4d09a | 21 | int32_t bootindex; |
ed16ab5a GH |
22 | } NICConf; |
23 | ||
24 | #define DEFINE_NIC_PROPERTIES(_state, _conf) \ | |
25 | DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ | |
606c10e2 | 26 | DEFINE_PROP_VLAN("vlan", _state, _conf.peer), \ |
1ca4d09a GN |
27 | DEFINE_PROP_NETDEV("netdev", _state, _conf.peer), \ |
28 | DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1) | |
ed16ab5a | 29 | |
4e68f7a0 | 30 | /* Net clients */ |
87ecb68b | 31 | |
4e68f7a0 SH |
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 *); | |
34b25ca7 | 38 | |
3ed79cc9 | 39 | typedef struct NetClientInfo { |
2be64a68 | 40 | NetClientOptionsKind type; |
3ed79cc9 MM |
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; | |
ceb69615 | 48 | NetPoll *poll; |
3ed79cc9 MM |
49 | } NetClientInfo; |
50 | ||
4e68f7a0 | 51 | struct NetClientState { |
665a3b07 | 52 | NetClientInfo *info; |
436e5e53 | 53 | int link_down; |
4e68f7a0 SH |
54 | QTAILQ_ENTRY(NetClientState) next; |
55 | NetClientState *peer; | |
9a6ecb30 | 56 | NetQueue *send_queue; |
bf38c1a0 | 57 | char *model; |
676cff29 | 58 | char *name; |
87ecb68b | 59 | char info_str[256]; |
893379ef | 60 | unsigned receive_disabled : 1; |
87ecb68b PB |
61 | }; |
62 | ||
ebef2c09 | 63 | typedef struct NICState { |
4e68f7a0 | 64 | NetClientState nc; |
ebef2c09 MM |
65 | NICConf *conf; |
66 | void *opaque; | |
a083a89d | 67 | bool peer_deleted; |
ebef2c09 MM |
68 | } NICState; |
69 | ||
4e68f7a0 | 70 | NetClientState *qemu_find_netdev(const char *id); |
6c51ae73 JW |
71 | int qemu_find_net_clients_except(const char *id, NetClientState **ncs, |
72 | NetClientOptionsKind type, int max); | |
4e68f7a0 SH |
73 | NetClientState *qemu_new_net_client(NetClientInfo *info, |
74 | NetClientState *peer, | |
75 | const char *model, | |
76 | const char *name); | |
ebef2c09 MM |
77 | NICState *qemu_new_nic(NetClientInfo *info, |
78 | NICConf *conf, | |
79 | const char *model, | |
80 | const char *name, | |
81 | void *opaque); | |
948ecf21 | 82 | void qemu_del_nic(NICState *nic); |
b356f76d | 83 | NetClientState *qemu_get_queue(NICState *nic); |
cc1f0f45 JW |
84 | NICState *qemu_get_nic(NetClientState *nc); |
85 | void *qemu_get_nic_opaque(NetClientState *nc); | |
b20c6b9e | 86 | void qemu_del_net_client(NetClientState *nc); |
4e68f7a0 SH |
87 | NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, |
88 | const char *client_str); | |
57f9ef17 MM |
89 | typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque); |
90 | void qemu_foreach_nic(qemu_nic_foreach func, void *opaque); | |
35277d14 SH |
91 | int qemu_can_send_packet(NetClientState *nc); |
92 | ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, | |
fbe78f4f | 93 | int iovcnt); |
35277d14 | 94 | ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov, |
f3b6c7fc | 95 | int iovcnt, NetPacketSent *sent_cb); |
35277d14 SH |
96 | void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size); |
97 | ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size); | |
98 | ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf, | |
f3b6c7fc | 99 | int size, NetPacketSent *sent_cb); |
35277d14 SH |
100 | void qemu_purge_queued_packets(NetClientState *nc); |
101 | void qemu_flush_queued_packets(NetClientState *nc); | |
102 | void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]); | |
76d32cba | 103 | void qemu_macaddr_default_if_unset(MACAddr *macaddr); |
07caea31 | 104 | int qemu_show_nic_models(const char *arg, const char *const *models); |
d07f22c5 | 105 | void qemu_check_nic_model(NICInfo *nd, const char *model); |
07caea31 MA |
106 | int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
107 | const char *default_model); | |
87ecb68b | 108 | |
86a77c38 ZYW |
109 | ssize_t qemu_deliver_packet(NetClientState *sender, |
110 | unsigned flags, | |
111 | const uint8_t *data, | |
112 | size_t size, | |
113 | void *opaque); | |
114 | ssize_t qemu_deliver_packet_iov(NetClientState *sender, | |
115 | unsigned flags, | |
116 | const struct iovec *iov, | |
117 | int iovcnt, | |
118 | void *opaque); | |
119 | ||
1a859593 | 120 | void print_net_client(Monitor *mon, NetClientState *nc); |
84f2d0ea | 121 | void do_info_network(Monitor *mon, const QDict *qdict); |
87ecb68b PB |
122 | |
123 | /* NIC info */ | |
124 | ||
125 | #define MAX_NICS 8 | |
126 | ||
127 | struct NICInfo { | |
6eed1856 | 128 | MACAddr macaddr; |
9203f520 MM |
129 | char *model; |
130 | char *name; | |
131 | char *devaddr; | |
4e68f7a0 | 132 | NetClientState *netdev; |
48e2faf2 PM |
133 | int used; /* is this slot in nd_table[] being used? */ |
134 | int instantiated; /* does this NICInfo correspond to an instantiated NIC? */ | |
ffe6370c | 135 | int nvectors; |
87ecb68b PB |
136 | }; |
137 | ||
138 | extern int nb_nics; | |
139 | extern NICInfo nd_table[MAX_NICS]; | |
cb4522cc | 140 | extern int default_net; |
87ecb68b | 141 | |
63a01ef8 | 142 | /* from net.c */ |
ad196a9d JK |
143 | extern const char *legacy_tftp_prefix; |
144 | extern const char *legacy_bootp_filename; | |
145 | ||
4559a1db | 146 | int net_client_init(QemuOpts *opts, int is_netdev, Error **errp); |
7f161aae | 147 | int net_client_parse(QemuOptsList *opts_list, const char *str); |
dc1c9fe8 | 148 | int net_init_clients(void); |
668680f7 | 149 | void net_check_clients(void); |
63a01ef8 | 150 | void net_cleanup(void); |
f18c16de LC |
151 | void net_host_device_add(Monitor *mon, const QDict *qdict); |
152 | void net_host_device_remove(Monitor *mon, const QDict *qdict); | |
928059a3 LC |
153 | void netdev_add(QemuOpts *opts, Error **errp); |
154 | int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret); | |
63a01ef8 | 155 | |
1422e32d PB |
156 | int net_hub_id_for_client(NetClientState *nc, int *id); |
157 | NetClientState *net_hub_port_find(int hub_id); | |
158 | ||
f54825cc AJ |
159 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
160 | #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" | |
a7c36ee4 CB |
161 | #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper" |
162 | #define DEFAULT_BRIDGE_INTERFACE "br0" | |
f54825cc | 163 | |
ed16ab5a | 164 | void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd); |
9d07d757 | 165 | |
7fc8d918 JW |
166 | #define POLYNOMIAL 0x04c11db6 |
167 | unsigned compute_mcast_idx(const uint8_t *ep); | |
168 | ||
701a8f76 PB |
169 | #define vmstate_offset_macaddr(_state, _field) \ |
170 | vmstate_offset_array(_state, _field.a, uint8_t, \ | |
171 | sizeof(typeof_field(_state, _field))) | |
172 | ||
173 | #define VMSTATE_MACADDR(_field, _state) { \ | |
174 | .name = (stringify(_field)), \ | |
175 | .size = sizeof(MACAddr), \ | |
176 | .info = &vmstate_info_buffer, \ | |
177 | .flags = VMS_BUFFER, \ | |
178 | .offset = vmstate_offset_macaddr(_state, _field), \ | |
179 | } | |
180 | ||
87ecb68b | 181 | #endif |