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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 | |
1ceef9f2 JW |
12 | #define MAX_QUEUE_NUM 1024 |
13 | ||
d32fcad3 SF |
14 | /* Maximum GSO packet size (64k) plus plenty of room for |
15 | * the ethernet and virtio_net headers | |
16 | */ | |
17 | #define NET_BUFSIZE (4096 + 65536) | |
18 | ||
76d32cba GH |
19 | struct MACAddr { |
20 | uint8_t a[6]; | |
21 | }; | |
22 | ||
ed16ab5a GH |
23 | /* qdev nic properties */ |
24 | ||
1ceef9f2 JW |
25 | typedef struct NICPeers { |
26 | NetClientState *ncs[MAX_QUEUE_NUM]; | |
27 | } NICPeers; | |
28 | ||
ed16ab5a GH |
29 | typedef struct NICConf { |
30 | MACAddr macaddr; | |
1ceef9f2 | 31 | NICPeers peers; |
1ca4d09a | 32 | int32_t bootindex; |
1ceef9f2 | 33 | int32_t queues; |
ed16ab5a GH |
34 | } NICConf; |
35 | ||
36 | #define DEFINE_NIC_PROPERTIES(_state, _conf) \ | |
37 | DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ | |
1ceef9f2 JW |
38 | DEFINE_PROP_VLAN("vlan", _state, _conf.peers), \ |
39 | DEFINE_PROP_NETDEV("netdev", _state, _conf.peers), \ | |
1ca4d09a | 40 | DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1) |
ed16ab5a | 41 | |
1ceef9f2 | 42 | |
4e68f7a0 | 43 | /* Net clients */ |
87ecb68b | 44 | |
4e68f7a0 SH |
45 | typedef void (NetPoll)(NetClientState *, bool enable); |
46 | typedef int (NetCanReceive)(NetClientState *); | |
47 | typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); | |
48 | typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int); | |
49 | typedef void (NetCleanup) (NetClientState *); | |
50 | typedef void (LinkStatusChanged)(NetClientState *); | |
f7860455 | 51 | typedef void (NetClientDestructor)(NetClientState *); |
34b25ca7 | 52 | |
3ed79cc9 | 53 | typedef struct NetClientInfo { |
2be64a68 | 54 | NetClientOptionsKind type; |
3ed79cc9 MM |
55 | size_t size; |
56 | NetReceive *receive; | |
57 | NetReceive *receive_raw; | |
58 | NetReceiveIOV *receive_iov; | |
59 | NetCanReceive *can_receive; | |
60 | NetCleanup *cleanup; | |
61 | LinkStatusChanged *link_status_changed; | |
ceb69615 | 62 | NetPoll *poll; |
3ed79cc9 MM |
63 | } NetClientInfo; |
64 | ||
4e68f7a0 | 65 | struct NetClientState { |
665a3b07 | 66 | NetClientInfo *info; |
436e5e53 | 67 | int link_down; |
4e68f7a0 SH |
68 | QTAILQ_ENTRY(NetClientState) next; |
69 | NetClientState *peer; | |
9a6ecb30 | 70 | NetQueue *send_queue; |
bf38c1a0 | 71 | char *model; |
676cff29 | 72 | char *name; |
87ecb68b | 73 | char info_str[256]; |
893379ef | 74 | unsigned receive_disabled : 1; |
f7860455 | 75 | NetClientDestructor *destructor; |
1ceef9f2 | 76 | unsigned int queue_index; |
87ecb68b PB |
77 | }; |
78 | ||
ebef2c09 | 79 | typedef struct NICState { |
f6b26cf2 | 80 | NetClientState *ncs; |
ebef2c09 MM |
81 | NICConf *conf; |
82 | void *opaque; | |
a083a89d | 83 | bool peer_deleted; |
ebef2c09 MM |
84 | } NICState; |
85 | ||
4e68f7a0 | 86 | NetClientState *qemu_find_netdev(const char *id); |
6c51ae73 JW |
87 | int qemu_find_net_clients_except(const char *id, NetClientState **ncs, |
88 | NetClientOptionsKind type, int max); | |
4e68f7a0 SH |
89 | NetClientState *qemu_new_net_client(NetClientInfo *info, |
90 | NetClientState *peer, | |
91 | const char *model, | |
92 | const char *name); | |
ebef2c09 MM |
93 | NICState *qemu_new_nic(NetClientInfo *info, |
94 | NICConf *conf, | |
95 | const char *model, | |
96 | const char *name, | |
97 | void *opaque); | |
948ecf21 | 98 | void qemu_del_nic(NICState *nic); |
1ceef9f2 | 99 | NetClientState *qemu_get_subqueue(NICState *nic, int queue_index); |
b356f76d | 100 | NetClientState *qemu_get_queue(NICState *nic); |
cc1f0f45 JW |
101 | NICState *qemu_get_nic(NetClientState *nc); |
102 | void *qemu_get_nic_opaque(NetClientState *nc); | |
b20c6b9e | 103 | void qemu_del_net_client(NetClientState *nc); |
4e68f7a0 SH |
104 | NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, |
105 | const char *client_str); | |
57f9ef17 MM |
106 | typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque); |
107 | void qemu_foreach_nic(qemu_nic_foreach func, void *opaque); | |
35277d14 SH |
108 | int qemu_can_send_packet(NetClientState *nc); |
109 | ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, | |
fbe78f4f | 110 | int iovcnt); |
35277d14 | 111 | ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov, |
f3b6c7fc | 112 | int iovcnt, NetPacketSent *sent_cb); |
35277d14 SH |
113 | void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size); |
114 | ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size); | |
115 | ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf, | |
f3b6c7fc | 116 | int size, NetPacketSent *sent_cb); |
35277d14 SH |
117 | void qemu_purge_queued_packets(NetClientState *nc); |
118 | void qemu_flush_queued_packets(NetClientState *nc); | |
119 | void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]); | |
76d32cba | 120 | void qemu_macaddr_default_if_unset(MACAddr *macaddr); |
07caea31 | 121 | int qemu_show_nic_models(const char *arg, const char *const *models); |
d07f22c5 | 122 | void qemu_check_nic_model(NICInfo *nd, const char *model); |
07caea31 MA |
123 | int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
124 | const char *default_model); | |
87ecb68b | 125 | |
86a77c38 ZYW |
126 | ssize_t qemu_deliver_packet(NetClientState *sender, |
127 | unsigned flags, | |
128 | const uint8_t *data, | |
129 | size_t size, | |
130 | void *opaque); | |
131 | ssize_t qemu_deliver_packet_iov(NetClientState *sender, | |
132 | unsigned flags, | |
133 | const struct iovec *iov, | |
134 | int iovcnt, | |
135 | void *opaque); | |
136 | ||
1a859593 | 137 | void print_net_client(Monitor *mon, NetClientState *nc); |
84f2d0ea | 138 | void do_info_network(Monitor *mon, const QDict *qdict); |
87ecb68b PB |
139 | |
140 | /* NIC info */ | |
141 | ||
142 | #define MAX_NICS 8 | |
143 | ||
144 | struct NICInfo { | |
6eed1856 | 145 | MACAddr macaddr; |
9203f520 MM |
146 | char *model; |
147 | char *name; | |
148 | char *devaddr; | |
4e68f7a0 | 149 | NetClientState *netdev; |
48e2faf2 PM |
150 | int used; /* is this slot in nd_table[] being used? */ |
151 | int instantiated; /* does this NICInfo correspond to an instantiated NIC? */ | |
ffe6370c | 152 | int nvectors; |
87ecb68b PB |
153 | }; |
154 | ||
155 | extern int nb_nics; | |
156 | extern NICInfo nd_table[MAX_NICS]; | |
cb4522cc | 157 | extern int default_net; |
87ecb68b | 158 | |
63a01ef8 | 159 | /* from net.c */ |
ad196a9d JK |
160 | extern const char *legacy_tftp_prefix; |
161 | extern const char *legacy_bootp_filename; | |
162 | ||
4559a1db | 163 | int net_client_init(QemuOpts *opts, int is_netdev, Error **errp); |
7f161aae | 164 | int net_client_parse(QemuOptsList *opts_list, const char *str); |
dc1c9fe8 | 165 | int net_init_clients(void); |
668680f7 | 166 | void net_check_clients(void); |
63a01ef8 | 167 | void net_cleanup(void); |
f18c16de LC |
168 | void net_host_device_add(Monitor *mon, const QDict *qdict); |
169 | void net_host_device_remove(Monitor *mon, const QDict *qdict); | |
928059a3 LC |
170 | void netdev_add(QemuOpts *opts, Error **errp); |
171 | int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret); | |
63a01ef8 | 172 | |
1422e32d PB |
173 | int net_hub_id_for_client(NetClientState *nc, int *id); |
174 | NetClientState *net_hub_port_find(int hub_id); | |
175 | ||
f54825cc AJ |
176 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
177 | #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" | |
a7c36ee4 CB |
178 | #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper" |
179 | #define DEFAULT_BRIDGE_INTERFACE "br0" | |
f54825cc | 180 | |
ed16ab5a | 181 | void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd); |
9d07d757 | 182 | |
7fc8d918 JW |
183 | #define POLYNOMIAL 0x04c11db6 |
184 | unsigned compute_mcast_idx(const uint8_t *ep); | |
185 | ||
701a8f76 PB |
186 | #define vmstate_offset_macaddr(_state, _field) \ |
187 | vmstate_offset_array(_state, _field.a, uint8_t, \ | |
188 | sizeof(typeof_field(_state, _field))) | |
189 | ||
190 | #define VMSTATE_MACADDR(_field, _state) { \ | |
191 | .name = (stringify(_field)), \ | |
192 | .size = sizeof(MACAddr), \ | |
193 | .info = &vmstate_info_buffer, \ | |
194 | .flags = VMS_BUFFER, \ | |
195 | .offset = vmstate_offset_macaddr(_state, _field), \ | |
196 | } | |
197 | ||
87ecb68b | 198 | #endif |