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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]; | |
575a1c0e | 27 | int32_t queues; |
1ceef9f2 JW |
28 | } NICPeers; |
29 | ||
ed16ab5a GH |
30 | typedef struct NICConf { |
31 | MACAddr macaddr; | |
1ceef9f2 | 32 | NICPeers peers; |
1ca4d09a | 33 | int32_t bootindex; |
ed16ab5a GH |
34 | } NICConf; |
35 | ||
36 | #define DEFINE_NIC_PROPERTIES(_state, _conf) \ | |
37 | DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ | |
1ceef9f2 | 38 | DEFINE_PROP_VLAN("vlan", _state, _conf.peers), \ |
45e8a9e1 | 39 | DEFINE_PROP_NETDEV("netdev", _state, _conf.peers) |
ed16ab5a | 40 | |
1ceef9f2 | 41 | |
4e68f7a0 | 42 | /* Net clients */ |
87ecb68b | 43 | |
4e68f7a0 SH |
44 | typedef void (NetPoll)(NetClientState *, bool enable); |
45 | typedef int (NetCanReceive)(NetClientState *); | |
46 | typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); | |
47 | typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int); | |
48 | typedef void (NetCleanup) (NetClientState *); | |
49 | typedef void (LinkStatusChanged)(NetClientState *); | |
f7860455 | 50 | typedef void (NetClientDestructor)(NetClientState *); |
b1be4280 | 51 | typedef RxFilterInfo *(QueryRxFilter)(NetClientState *); |
1f55ac45 VM |
52 | typedef bool (HasUfo)(NetClientState *); |
53 | typedef bool (HasVnetHdr)(NetClientState *); | |
54 | typedef bool (HasVnetHdrLen)(NetClientState *, int); | |
55 | typedef void (UsingVnetHdr)(NetClientState *, bool); | |
56 | typedef void (SetOffload)(NetClientState *, int, int, int, int, int); | |
57 | typedef void (SetVnetHdrLen)(NetClientState *, int); | |
34b25ca7 | 58 | |
3ed79cc9 | 59 | typedef struct NetClientInfo { |
2be64a68 | 60 | NetClientOptionsKind type; |
3ed79cc9 MM |
61 | size_t size; |
62 | NetReceive *receive; | |
63 | NetReceive *receive_raw; | |
64 | NetReceiveIOV *receive_iov; | |
65 | NetCanReceive *can_receive; | |
66 | NetCleanup *cleanup; | |
67 | LinkStatusChanged *link_status_changed; | |
b1be4280 | 68 | QueryRxFilter *query_rx_filter; |
ceb69615 | 69 | NetPoll *poll; |
1f55ac45 VM |
70 | HasUfo *has_ufo; |
71 | HasVnetHdr *has_vnet_hdr; | |
72 | HasVnetHdrLen *has_vnet_hdr_len; | |
73 | UsingVnetHdr *using_vnet_hdr; | |
74 | SetOffload *set_offload; | |
75 | SetVnetHdrLen *set_vnet_hdr_len; | |
3ed79cc9 MM |
76 | } NetClientInfo; |
77 | ||
4e68f7a0 | 78 | struct NetClientState { |
665a3b07 | 79 | NetClientInfo *info; |
436e5e53 | 80 | int link_down; |
4e68f7a0 SH |
81 | QTAILQ_ENTRY(NetClientState) next; |
82 | NetClientState *peer; | |
067404be | 83 | NetQueue *incoming_queue; |
bf38c1a0 | 84 | char *model; |
676cff29 | 85 | char *name; |
87ecb68b | 86 | char info_str[256]; |
893379ef | 87 | unsigned receive_disabled : 1; |
f7860455 | 88 | NetClientDestructor *destructor; |
1ceef9f2 | 89 | unsigned int queue_index; |
b1be4280 | 90 | unsigned rxfilter_notify_enabled:1; |
87ecb68b PB |
91 | }; |
92 | ||
ebef2c09 | 93 | typedef struct NICState { |
f6b26cf2 | 94 | NetClientState *ncs; |
ebef2c09 MM |
95 | NICConf *conf; |
96 | void *opaque; | |
a083a89d | 97 | bool peer_deleted; |
ebef2c09 MM |
98 | } NICState; |
99 | ||
4e68f7a0 | 100 | NetClientState *qemu_find_netdev(const char *id); |
6c51ae73 JW |
101 | int qemu_find_net_clients_except(const char *id, NetClientState **ncs, |
102 | NetClientOptionsKind type, int max); | |
4e68f7a0 SH |
103 | NetClientState *qemu_new_net_client(NetClientInfo *info, |
104 | NetClientState *peer, | |
105 | const char *model, | |
106 | const char *name); | |
ebef2c09 MM |
107 | NICState *qemu_new_nic(NetClientInfo *info, |
108 | NICConf *conf, | |
109 | const char *model, | |
110 | const char *name, | |
111 | void *opaque); | |
948ecf21 | 112 | void qemu_del_nic(NICState *nic); |
1ceef9f2 | 113 | NetClientState *qemu_get_subqueue(NICState *nic, int queue_index); |
b356f76d | 114 | NetClientState *qemu_get_queue(NICState *nic); |
cc1f0f45 JW |
115 | NICState *qemu_get_nic(NetClientState *nc); |
116 | void *qemu_get_nic_opaque(NetClientState *nc); | |
b20c6b9e | 117 | void qemu_del_net_client(NetClientState *nc); |
4e68f7a0 SH |
118 | NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, |
119 | const char *client_str); | |
57f9ef17 MM |
120 | typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque); |
121 | void qemu_foreach_nic(qemu_nic_foreach func, void *opaque); | |
35277d14 SH |
122 | int qemu_can_send_packet(NetClientState *nc); |
123 | ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, | |
fbe78f4f | 124 | int iovcnt); |
35277d14 | 125 | ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov, |
f3b6c7fc | 126 | int iovcnt, NetPacketSent *sent_cb); |
35277d14 SH |
127 | void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size); |
128 | ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size); | |
129 | ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf, | |
f3b6c7fc | 130 | int size, NetPacketSent *sent_cb); |
35277d14 SH |
131 | void qemu_purge_queued_packets(NetClientState *nc); |
132 | void qemu_flush_queued_packets(NetClientState *nc); | |
133 | void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]); | |
d6085e3a SH |
134 | bool qemu_has_ufo(NetClientState *nc); |
135 | bool qemu_has_vnet_hdr(NetClientState *nc); | |
136 | bool qemu_has_vnet_hdr_len(NetClientState *nc, int len); | |
137 | void qemu_using_vnet_hdr(NetClientState *nc, bool enable); | |
138 | void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6, | |
139 | int ecn, int ufo); | |
140 | void qemu_set_vnet_hdr_len(NetClientState *nc, int len); | |
76d32cba | 141 | void qemu_macaddr_default_if_unset(MACAddr *macaddr); |
07caea31 | 142 | int qemu_show_nic_models(const char *arg, const char *const *models); |
d07f22c5 | 143 | void qemu_check_nic_model(NICInfo *nd, const char *model); |
07caea31 MA |
144 | int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
145 | const char *default_model); | |
87ecb68b | 146 | |
86a77c38 ZYW |
147 | ssize_t qemu_deliver_packet(NetClientState *sender, |
148 | unsigned flags, | |
149 | const uint8_t *data, | |
150 | size_t size, | |
151 | void *opaque); | |
152 | ssize_t qemu_deliver_packet_iov(NetClientState *sender, | |
153 | unsigned flags, | |
154 | const struct iovec *iov, | |
155 | int iovcnt, | |
156 | void *opaque); | |
157 | ||
1a859593 | 158 | void print_net_client(Monitor *mon, NetClientState *nc); |
1ce6be24 | 159 | void hmp_info_network(Monitor *mon, const QDict *qdict); |
87ecb68b PB |
160 | |
161 | /* NIC info */ | |
162 | ||
163 | #define MAX_NICS 8 | |
164 | ||
165 | struct NICInfo { | |
6eed1856 | 166 | MACAddr macaddr; |
9203f520 MM |
167 | char *model; |
168 | char *name; | |
169 | char *devaddr; | |
4e68f7a0 | 170 | NetClientState *netdev; |
48e2faf2 PM |
171 | int used; /* is this slot in nd_table[] being used? */ |
172 | int instantiated; /* does this NICInfo correspond to an instantiated NIC? */ | |
ffe6370c | 173 | int nvectors; |
87ecb68b PB |
174 | }; |
175 | ||
176 | extern int nb_nics; | |
177 | extern NICInfo nd_table[MAX_NICS]; | |
cb4522cc | 178 | extern int default_net; |
84007e81 | 179 | extern const char *host_net_devices[]; |
87ecb68b | 180 | |
63a01ef8 | 181 | /* from net.c */ |
ad196a9d JK |
182 | extern const char *legacy_tftp_prefix; |
183 | extern const char *legacy_bootp_filename; | |
184 | ||
4559a1db | 185 | int net_client_init(QemuOpts *opts, int is_netdev, Error **errp); |
7f161aae | 186 | int net_client_parse(QemuOptsList *opts_list, const char *str); |
dc1c9fe8 | 187 | int net_init_clients(void); |
668680f7 | 188 | void net_check_clients(void); |
63a01ef8 | 189 | void net_cleanup(void); |
3e5a50d6 MA |
190 | void hmp_host_net_add(Monitor *mon, const QDict *qdict); |
191 | void hmp_host_net_remove(Monitor *mon, const QDict *qdict); | |
928059a3 LC |
192 | void netdev_add(QemuOpts *opts, Error **errp); |
193 | int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret); | |
63a01ef8 | 194 | |
1422e32d PB |
195 | int net_hub_id_for_client(NetClientState *nc, int *id); |
196 | NetClientState *net_hub_port_find(int hub_id); | |
197 | ||
f54825cc AJ |
198 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
199 | #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" | |
a7c36ee4 CB |
200 | #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper" |
201 | #define DEFAULT_BRIDGE_INTERFACE "br0" | |
f54825cc | 202 | |
ed16ab5a | 203 | void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd); |
9d07d757 | 204 | |
7fc8d918 JW |
205 | #define POLYNOMIAL 0x04c11db6 |
206 | unsigned compute_mcast_idx(const uint8_t *ep); | |
207 | ||
701a8f76 PB |
208 | #define vmstate_offset_macaddr(_state, _field) \ |
209 | vmstate_offset_array(_state, _field.a, uint8_t, \ | |
210 | sizeof(typeof_field(_state, _field))) | |
211 | ||
212 | #define VMSTATE_MACADDR(_field, _state) { \ | |
213 | .name = (stringify(_field)), \ | |
214 | .size = sizeof(MACAddr), \ | |
215 | .info = &vmstate_info_buffer, \ | |
216 | .flags = VMS_BUFFER, \ | |
217 | .offset = vmstate_offset_macaddr(_state, _field), \ | |
218 | } | |
219 | ||
87ecb68b | 220 | #endif |