11422e32dSPaolo Bonzini #ifndef QEMU_NET_H 21422e32dSPaolo Bonzini #define QEMU_NET_H 31422e32dSPaolo Bonzini 41de7afc9SPaolo Bonzini #include "qemu/queue.h" 51422e32dSPaolo Bonzini #include "qemu-common.h" 67b1b5d19SPaolo Bonzini #include "qapi/qmp/qdict.h" 71de7afc9SPaolo Bonzini #include "qemu/option.h" 81422e32dSPaolo Bonzini #include "net/queue.h" 9caf71f86SPaolo Bonzini #include "migration/vmstate.h" 101422e32dSPaolo Bonzini #include "qapi-types.h" 111422e32dSPaolo Bonzini 121ceef9f2SJason Wang #define MAX_QUEUE_NUM 1024 131ceef9f2SJason Wang 141422e32dSPaolo Bonzini struct MACAddr { 151422e32dSPaolo Bonzini uint8_t a[6]; 161422e32dSPaolo Bonzini }; 171422e32dSPaolo Bonzini 181422e32dSPaolo Bonzini /* qdev nic properties */ 191422e32dSPaolo Bonzini 201ceef9f2SJason Wang typedef struct NICPeers { 211ceef9f2SJason Wang NetClientState *ncs[MAX_QUEUE_NUM]; 221ceef9f2SJason Wang } NICPeers; 231ceef9f2SJason Wang 241422e32dSPaolo Bonzini typedef struct NICConf { 251422e32dSPaolo Bonzini MACAddr macaddr; 261ceef9f2SJason Wang NICPeers peers; 271422e32dSPaolo Bonzini int32_t bootindex; 281ceef9f2SJason Wang int32_t queues; 291422e32dSPaolo Bonzini } NICConf; 301422e32dSPaolo Bonzini 311422e32dSPaolo Bonzini #define DEFINE_NIC_PROPERTIES(_state, _conf) \ 321422e32dSPaolo Bonzini DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ 331ceef9f2SJason Wang DEFINE_PROP_VLAN("vlan", _state, _conf.peers), \ 341ceef9f2SJason Wang DEFINE_PROP_NETDEV("netdev", _state, _conf.peers), \ 351422e32dSPaolo Bonzini DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1) 361422e32dSPaolo Bonzini 371ceef9f2SJason Wang 381422e32dSPaolo Bonzini /* Net clients */ 391422e32dSPaolo Bonzini 401422e32dSPaolo Bonzini typedef void (NetPoll)(NetClientState *, bool enable); 411422e32dSPaolo Bonzini typedef int (NetCanReceive)(NetClientState *); 421422e32dSPaolo Bonzini typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); 431422e32dSPaolo Bonzini typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int); 441422e32dSPaolo Bonzini typedef void (NetCleanup) (NetClientState *); 451422e32dSPaolo Bonzini typedef void (LinkStatusChanged)(NetClientState *); 46f7860455SJason Wang typedef void (NetClientDestructor)(NetClientState *); 471422e32dSPaolo Bonzini 481422e32dSPaolo Bonzini typedef struct NetClientInfo { 491422e32dSPaolo Bonzini NetClientOptionsKind type; 501422e32dSPaolo Bonzini size_t size; 511422e32dSPaolo Bonzini NetReceive *receive; 521422e32dSPaolo Bonzini NetReceive *receive_raw; 531422e32dSPaolo Bonzini NetReceiveIOV *receive_iov; 541422e32dSPaolo Bonzini NetCanReceive *can_receive; 551422e32dSPaolo Bonzini NetCleanup *cleanup; 561422e32dSPaolo Bonzini LinkStatusChanged *link_status_changed; 571422e32dSPaolo Bonzini NetPoll *poll; 581422e32dSPaolo Bonzini } NetClientInfo; 591422e32dSPaolo Bonzini 601422e32dSPaolo Bonzini struct NetClientState { 611422e32dSPaolo Bonzini NetClientInfo *info; 621422e32dSPaolo Bonzini int link_down; 631422e32dSPaolo Bonzini QTAILQ_ENTRY(NetClientState) next; 641422e32dSPaolo Bonzini NetClientState *peer; 651422e32dSPaolo Bonzini NetQueue *send_queue; 661422e32dSPaolo Bonzini char *model; 671422e32dSPaolo Bonzini char *name; 681422e32dSPaolo Bonzini char info_str[256]; 691422e32dSPaolo Bonzini unsigned receive_disabled : 1; 70f7860455SJason Wang NetClientDestructor *destructor; 711ceef9f2SJason Wang unsigned int queue_index; 721422e32dSPaolo Bonzini }; 731422e32dSPaolo Bonzini 741422e32dSPaolo Bonzini typedef struct NICState { 75*f6b26cf2SJason Wang NetClientState *ncs; 761422e32dSPaolo Bonzini NICConf *conf; 771422e32dSPaolo Bonzini void *opaque; 781422e32dSPaolo Bonzini bool peer_deleted; 791422e32dSPaolo Bonzini } NICState; 801422e32dSPaolo Bonzini 811422e32dSPaolo Bonzini NetClientState *qemu_find_netdev(const char *id); 826c51ae73SJason Wang int qemu_find_net_clients_except(const char *id, NetClientState **ncs, 836c51ae73SJason Wang NetClientOptionsKind type, int max); 841422e32dSPaolo Bonzini NetClientState *qemu_new_net_client(NetClientInfo *info, 851422e32dSPaolo Bonzini NetClientState *peer, 861422e32dSPaolo Bonzini const char *model, 871422e32dSPaolo Bonzini const char *name); 881422e32dSPaolo Bonzini NICState *qemu_new_nic(NetClientInfo *info, 891422e32dSPaolo Bonzini NICConf *conf, 901422e32dSPaolo Bonzini const char *model, 911422e32dSPaolo Bonzini const char *name, 921422e32dSPaolo Bonzini void *opaque); 93948ecf21SJason Wang void qemu_del_nic(NICState *nic); 941ceef9f2SJason Wang NetClientState *qemu_get_subqueue(NICState *nic, int queue_index); 95b356f76dSJason Wang NetClientState *qemu_get_queue(NICState *nic); 96cc1f0f45SJason Wang NICState *qemu_get_nic(NetClientState *nc); 97cc1f0f45SJason Wang void *qemu_get_nic_opaque(NetClientState *nc); 981422e32dSPaolo Bonzini void qemu_del_net_client(NetClientState *nc); 991422e32dSPaolo Bonzini NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, 1001422e32dSPaolo Bonzini const char *client_str); 1011422e32dSPaolo Bonzini typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque); 1021422e32dSPaolo Bonzini void qemu_foreach_nic(qemu_nic_foreach func, void *opaque); 1031422e32dSPaolo Bonzini int qemu_can_send_packet(NetClientState *nc); 1041422e32dSPaolo Bonzini ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, 1051422e32dSPaolo Bonzini int iovcnt); 1061422e32dSPaolo Bonzini ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov, 1071422e32dSPaolo Bonzini int iovcnt, NetPacketSent *sent_cb); 1081422e32dSPaolo Bonzini void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size); 1091422e32dSPaolo Bonzini ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size); 1101422e32dSPaolo Bonzini ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf, 1111422e32dSPaolo Bonzini int size, NetPacketSent *sent_cb); 1121422e32dSPaolo Bonzini void qemu_purge_queued_packets(NetClientState *nc); 1131422e32dSPaolo Bonzini void qemu_flush_queued_packets(NetClientState *nc); 1141422e32dSPaolo Bonzini void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]); 1151422e32dSPaolo Bonzini void qemu_macaddr_default_if_unset(MACAddr *macaddr); 1161422e32dSPaolo Bonzini int qemu_show_nic_models(const char *arg, const char *const *models); 1171422e32dSPaolo Bonzini void qemu_check_nic_model(NICInfo *nd, const char *model); 1181422e32dSPaolo Bonzini int qemu_find_nic_model(NICInfo *nd, const char * const *models, 1191422e32dSPaolo Bonzini const char *default_model); 1201422e32dSPaolo Bonzini 1211422e32dSPaolo Bonzini ssize_t qemu_deliver_packet(NetClientState *sender, 1221422e32dSPaolo Bonzini unsigned flags, 1231422e32dSPaolo Bonzini const uint8_t *data, 1241422e32dSPaolo Bonzini size_t size, 1251422e32dSPaolo Bonzini void *opaque); 1261422e32dSPaolo Bonzini ssize_t qemu_deliver_packet_iov(NetClientState *sender, 1271422e32dSPaolo Bonzini unsigned flags, 1281422e32dSPaolo Bonzini const struct iovec *iov, 1291422e32dSPaolo Bonzini int iovcnt, 1301422e32dSPaolo Bonzini void *opaque); 1311422e32dSPaolo Bonzini 1321422e32dSPaolo Bonzini void print_net_client(Monitor *mon, NetClientState *nc); 13384f2d0eaSWenchao Xia void do_info_network(Monitor *mon, const QDict *qdict); 1341422e32dSPaolo Bonzini 1351422e32dSPaolo Bonzini /* NIC info */ 1361422e32dSPaolo Bonzini 1371422e32dSPaolo Bonzini #define MAX_NICS 8 1381422e32dSPaolo Bonzini 1391422e32dSPaolo Bonzini struct NICInfo { 1401422e32dSPaolo Bonzini MACAddr macaddr; 1411422e32dSPaolo Bonzini char *model; 1421422e32dSPaolo Bonzini char *name; 1431422e32dSPaolo Bonzini char *devaddr; 1441422e32dSPaolo Bonzini NetClientState *netdev; 1451422e32dSPaolo Bonzini int used; /* is this slot in nd_table[] being used? */ 1461422e32dSPaolo Bonzini int instantiated; /* does this NICInfo correspond to an instantiated NIC? */ 1471422e32dSPaolo Bonzini int nvectors; 1481422e32dSPaolo Bonzini }; 1491422e32dSPaolo Bonzini 1501422e32dSPaolo Bonzini extern int nb_nics; 1511422e32dSPaolo Bonzini extern NICInfo nd_table[MAX_NICS]; 1521422e32dSPaolo Bonzini extern int default_net; 1531422e32dSPaolo Bonzini 1541422e32dSPaolo Bonzini /* from net.c */ 1551422e32dSPaolo Bonzini extern const char *legacy_tftp_prefix; 1561422e32dSPaolo Bonzini extern const char *legacy_bootp_filename; 1571422e32dSPaolo Bonzini 1581422e32dSPaolo Bonzini int net_client_init(QemuOpts *opts, int is_netdev, Error **errp); 1591422e32dSPaolo Bonzini int net_client_parse(QemuOptsList *opts_list, const char *str); 1601422e32dSPaolo Bonzini int net_init_clients(void); 1611422e32dSPaolo Bonzini void net_check_clients(void); 1621422e32dSPaolo Bonzini void net_cleanup(void); 1631422e32dSPaolo Bonzini void net_host_device_add(Monitor *mon, const QDict *qdict); 1641422e32dSPaolo Bonzini void net_host_device_remove(Monitor *mon, const QDict *qdict); 1651422e32dSPaolo Bonzini void netdev_add(QemuOpts *opts, Error **errp); 1661422e32dSPaolo Bonzini int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret); 1671422e32dSPaolo Bonzini 1681422e32dSPaolo Bonzini int net_hub_id_for_client(NetClientState *nc, int *id); 1691422e32dSPaolo Bonzini NetClientState *net_hub_port_find(int hub_id); 1701422e32dSPaolo Bonzini 1711422e32dSPaolo Bonzini #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" 1721422e32dSPaolo Bonzini #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" 1731422e32dSPaolo Bonzini #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper" 1741422e32dSPaolo Bonzini #define DEFAULT_BRIDGE_INTERFACE "br0" 1751422e32dSPaolo Bonzini 1761422e32dSPaolo Bonzini void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd); 1771422e32dSPaolo Bonzini 1781422e32dSPaolo Bonzini #define POLYNOMIAL 0x04c11db6 1791422e32dSPaolo Bonzini unsigned compute_mcast_idx(const uint8_t *ep); 1801422e32dSPaolo Bonzini 1811422e32dSPaolo Bonzini #define vmstate_offset_macaddr(_state, _field) \ 1821422e32dSPaolo Bonzini vmstate_offset_array(_state, _field.a, uint8_t, \ 1831422e32dSPaolo Bonzini sizeof(typeof_field(_state, _field))) 1841422e32dSPaolo Bonzini 1851422e32dSPaolo Bonzini #define VMSTATE_MACADDR(_field, _state) { \ 1861422e32dSPaolo Bonzini .name = (stringify(_field)), \ 1871422e32dSPaolo Bonzini .size = sizeof(MACAddr), \ 1881422e32dSPaolo Bonzini .info = &vmstate_info_buffer, \ 1891422e32dSPaolo Bonzini .flags = VMS_BUFFER, \ 1901422e32dSPaolo Bonzini .offset = vmstate_offset_macaddr(_state, _field), \ 1911422e32dSPaolo Bonzini } 1921422e32dSPaolo Bonzini 1931422e32dSPaolo Bonzini #endif 194