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 14d32fcad3SScott Feldman /* Maximum GSO packet size (64k) plus plenty of room for 15d32fcad3SScott Feldman * the ethernet and virtio_net headers 16d32fcad3SScott Feldman */ 17d32fcad3SScott Feldman #define NET_BUFSIZE (4096 + 65536) 18d32fcad3SScott Feldman 191422e32dSPaolo Bonzini struct MACAddr { 201422e32dSPaolo Bonzini uint8_t a[6]; 211422e32dSPaolo Bonzini }; 221422e32dSPaolo Bonzini 231422e32dSPaolo Bonzini /* qdev nic properties */ 241422e32dSPaolo Bonzini 251ceef9f2SJason Wang typedef struct NICPeers { 261ceef9f2SJason Wang NetClientState *ncs[MAX_QUEUE_NUM]; 271ceef9f2SJason Wang } NICPeers; 281ceef9f2SJason Wang 291422e32dSPaolo Bonzini typedef struct NICConf { 301422e32dSPaolo Bonzini MACAddr macaddr; 311ceef9f2SJason Wang NICPeers peers; 321422e32dSPaolo Bonzini int32_t bootindex; 331ceef9f2SJason Wang int32_t queues; 341422e32dSPaolo Bonzini } NICConf; 351422e32dSPaolo Bonzini 361422e32dSPaolo Bonzini #define DEFINE_NIC_PROPERTIES(_state, _conf) \ 371422e32dSPaolo Bonzini DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ 381ceef9f2SJason Wang DEFINE_PROP_VLAN("vlan", _state, _conf.peers), \ 391ceef9f2SJason Wang DEFINE_PROP_NETDEV("netdev", _state, _conf.peers), \ 401422e32dSPaolo Bonzini DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1) 411422e32dSPaolo Bonzini 421ceef9f2SJason Wang 431422e32dSPaolo Bonzini /* Net clients */ 441422e32dSPaolo Bonzini 451422e32dSPaolo Bonzini typedef void (NetPoll)(NetClientState *, bool enable); 461422e32dSPaolo Bonzini typedef int (NetCanReceive)(NetClientState *); 471422e32dSPaolo Bonzini typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); 481422e32dSPaolo Bonzini typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int); 491422e32dSPaolo Bonzini typedef void (NetCleanup) (NetClientState *); 501422e32dSPaolo Bonzini typedef void (LinkStatusChanged)(NetClientState *); 51f7860455SJason Wang typedef void (NetClientDestructor)(NetClientState *); 52b1be4280SAmos Kong typedef RxFilterInfo *(QueryRxFilter)(NetClientState *); 53*1f55ac45SVincenzo Maffione typedef bool (HasUfo)(NetClientState *); 54*1f55ac45SVincenzo Maffione typedef bool (HasVnetHdr)(NetClientState *); 55*1f55ac45SVincenzo Maffione typedef bool (HasVnetHdrLen)(NetClientState *, int); 56*1f55ac45SVincenzo Maffione typedef void (UsingVnetHdr)(NetClientState *, bool); 57*1f55ac45SVincenzo Maffione typedef void (SetOffload)(NetClientState *, int, int, int, int, int); 58*1f55ac45SVincenzo Maffione typedef void (SetVnetHdrLen)(NetClientState *, int); 591422e32dSPaolo Bonzini 601422e32dSPaolo Bonzini typedef struct NetClientInfo { 611422e32dSPaolo Bonzini NetClientOptionsKind type; 621422e32dSPaolo Bonzini size_t size; 631422e32dSPaolo Bonzini NetReceive *receive; 641422e32dSPaolo Bonzini NetReceive *receive_raw; 651422e32dSPaolo Bonzini NetReceiveIOV *receive_iov; 661422e32dSPaolo Bonzini NetCanReceive *can_receive; 671422e32dSPaolo Bonzini NetCleanup *cleanup; 681422e32dSPaolo Bonzini LinkStatusChanged *link_status_changed; 69b1be4280SAmos Kong QueryRxFilter *query_rx_filter; 701422e32dSPaolo Bonzini NetPoll *poll; 71*1f55ac45SVincenzo Maffione HasUfo *has_ufo; 72*1f55ac45SVincenzo Maffione HasVnetHdr *has_vnet_hdr; 73*1f55ac45SVincenzo Maffione HasVnetHdrLen *has_vnet_hdr_len; 74*1f55ac45SVincenzo Maffione UsingVnetHdr *using_vnet_hdr; 75*1f55ac45SVincenzo Maffione SetOffload *set_offload; 76*1f55ac45SVincenzo Maffione SetVnetHdrLen *set_vnet_hdr_len; 771422e32dSPaolo Bonzini } NetClientInfo; 781422e32dSPaolo Bonzini 791422e32dSPaolo Bonzini struct NetClientState { 801422e32dSPaolo Bonzini NetClientInfo *info; 811422e32dSPaolo Bonzini int link_down; 821422e32dSPaolo Bonzini QTAILQ_ENTRY(NetClientState) next; 831422e32dSPaolo Bonzini NetClientState *peer; 84067404beSJan Kiszka NetQueue *incoming_queue; 851422e32dSPaolo Bonzini char *model; 861422e32dSPaolo Bonzini char *name; 871422e32dSPaolo Bonzini char info_str[256]; 881422e32dSPaolo Bonzini unsigned receive_disabled : 1; 89f7860455SJason Wang NetClientDestructor *destructor; 901ceef9f2SJason Wang unsigned int queue_index; 91b1be4280SAmos Kong unsigned rxfilter_notify_enabled:1; 921422e32dSPaolo Bonzini }; 931422e32dSPaolo Bonzini 941422e32dSPaolo Bonzini typedef struct NICState { 95f6b26cf2SJason Wang NetClientState *ncs; 961422e32dSPaolo Bonzini NICConf *conf; 971422e32dSPaolo Bonzini void *opaque; 981422e32dSPaolo Bonzini bool peer_deleted; 991422e32dSPaolo Bonzini } NICState; 1001422e32dSPaolo Bonzini 1011422e32dSPaolo Bonzini NetClientState *qemu_find_netdev(const char *id); 1026c51ae73SJason Wang int qemu_find_net_clients_except(const char *id, NetClientState **ncs, 1036c51ae73SJason Wang NetClientOptionsKind type, int max); 1041422e32dSPaolo Bonzini NetClientState *qemu_new_net_client(NetClientInfo *info, 1051422e32dSPaolo Bonzini NetClientState *peer, 1061422e32dSPaolo Bonzini const char *model, 1071422e32dSPaolo Bonzini const char *name); 1081422e32dSPaolo Bonzini NICState *qemu_new_nic(NetClientInfo *info, 1091422e32dSPaolo Bonzini NICConf *conf, 1101422e32dSPaolo Bonzini const char *model, 1111422e32dSPaolo Bonzini const char *name, 1121422e32dSPaolo Bonzini void *opaque); 113948ecf21SJason Wang void qemu_del_nic(NICState *nic); 1141ceef9f2SJason Wang NetClientState *qemu_get_subqueue(NICState *nic, int queue_index); 115b356f76dSJason Wang NetClientState *qemu_get_queue(NICState *nic); 116cc1f0f45SJason Wang NICState *qemu_get_nic(NetClientState *nc); 117cc1f0f45SJason Wang void *qemu_get_nic_opaque(NetClientState *nc); 1181422e32dSPaolo Bonzini void qemu_del_net_client(NetClientState *nc); 1191422e32dSPaolo Bonzini NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, 1201422e32dSPaolo Bonzini const char *client_str); 1211422e32dSPaolo Bonzini typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque); 1221422e32dSPaolo Bonzini void qemu_foreach_nic(qemu_nic_foreach func, void *opaque); 1231422e32dSPaolo Bonzini int qemu_can_send_packet(NetClientState *nc); 1241422e32dSPaolo Bonzini ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, 1251422e32dSPaolo Bonzini int iovcnt); 1261422e32dSPaolo Bonzini ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov, 1271422e32dSPaolo Bonzini int iovcnt, NetPacketSent *sent_cb); 1281422e32dSPaolo Bonzini void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size); 1291422e32dSPaolo Bonzini ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size); 1301422e32dSPaolo Bonzini ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf, 1311422e32dSPaolo Bonzini int size, NetPacketSent *sent_cb); 1321422e32dSPaolo Bonzini void qemu_purge_queued_packets(NetClientState *nc); 1331422e32dSPaolo Bonzini void qemu_flush_queued_packets(NetClientState *nc); 1341422e32dSPaolo Bonzini void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]); 135*1f55ac45SVincenzo Maffione bool qemu_peer_has_ufo(NetClientState *nc); 136*1f55ac45SVincenzo Maffione bool qemu_peer_has_vnet_hdr(NetClientState *nc); 137*1f55ac45SVincenzo Maffione bool qemu_peer_has_vnet_hdr_len(NetClientState *nc, int len); 138*1f55ac45SVincenzo Maffione void qemu_peer_using_vnet_hdr(NetClientState *nc, bool enable); 139*1f55ac45SVincenzo Maffione void qemu_peer_set_offload(NetClientState *nc, int csum, int tso4, int tso6, 140*1f55ac45SVincenzo Maffione int ecn, int ufo); 141*1f55ac45SVincenzo Maffione void qemu_peer_set_vnet_hdr_len(NetClientState *nc, int len); 1421422e32dSPaolo Bonzini void qemu_macaddr_default_if_unset(MACAddr *macaddr); 1431422e32dSPaolo Bonzini int qemu_show_nic_models(const char *arg, const char *const *models); 1441422e32dSPaolo Bonzini void qemu_check_nic_model(NICInfo *nd, const char *model); 1451422e32dSPaolo Bonzini int qemu_find_nic_model(NICInfo *nd, const char * const *models, 1461422e32dSPaolo Bonzini const char *default_model); 1471422e32dSPaolo Bonzini 1481422e32dSPaolo Bonzini ssize_t qemu_deliver_packet(NetClientState *sender, 1491422e32dSPaolo Bonzini unsigned flags, 1501422e32dSPaolo Bonzini const uint8_t *data, 1511422e32dSPaolo Bonzini size_t size, 1521422e32dSPaolo Bonzini void *opaque); 1531422e32dSPaolo Bonzini ssize_t qemu_deliver_packet_iov(NetClientState *sender, 1541422e32dSPaolo Bonzini unsigned flags, 1551422e32dSPaolo Bonzini const struct iovec *iov, 1561422e32dSPaolo Bonzini int iovcnt, 1571422e32dSPaolo Bonzini void *opaque); 1581422e32dSPaolo Bonzini 1591422e32dSPaolo Bonzini void print_net_client(Monitor *mon, NetClientState *nc); 16084f2d0eaSWenchao Xia void do_info_network(Monitor *mon, const QDict *qdict); 1611422e32dSPaolo Bonzini 1621422e32dSPaolo Bonzini /* NIC info */ 1631422e32dSPaolo Bonzini 1641422e32dSPaolo Bonzini #define MAX_NICS 8 1651422e32dSPaolo Bonzini 1661422e32dSPaolo Bonzini struct NICInfo { 1671422e32dSPaolo Bonzini MACAddr macaddr; 1681422e32dSPaolo Bonzini char *model; 1691422e32dSPaolo Bonzini char *name; 1701422e32dSPaolo Bonzini char *devaddr; 1711422e32dSPaolo Bonzini NetClientState *netdev; 1721422e32dSPaolo Bonzini int used; /* is this slot in nd_table[] being used? */ 1731422e32dSPaolo Bonzini int instantiated; /* does this NICInfo correspond to an instantiated NIC? */ 1741422e32dSPaolo Bonzini int nvectors; 1751422e32dSPaolo Bonzini }; 1761422e32dSPaolo Bonzini 1771422e32dSPaolo Bonzini extern int nb_nics; 1781422e32dSPaolo Bonzini extern NICInfo nd_table[MAX_NICS]; 1791422e32dSPaolo Bonzini extern int default_net; 1801422e32dSPaolo Bonzini 1811422e32dSPaolo Bonzini /* from net.c */ 1821422e32dSPaolo Bonzini extern const char *legacy_tftp_prefix; 1831422e32dSPaolo Bonzini extern const char *legacy_bootp_filename; 1841422e32dSPaolo Bonzini 1851422e32dSPaolo Bonzini int net_client_init(QemuOpts *opts, int is_netdev, Error **errp); 1861422e32dSPaolo Bonzini int net_client_parse(QemuOptsList *opts_list, const char *str); 1871422e32dSPaolo Bonzini int net_init_clients(void); 1881422e32dSPaolo Bonzini void net_check_clients(void); 1891422e32dSPaolo Bonzini void net_cleanup(void); 1901422e32dSPaolo Bonzini void net_host_device_add(Monitor *mon, const QDict *qdict); 1911422e32dSPaolo Bonzini void net_host_device_remove(Monitor *mon, const QDict *qdict); 1921422e32dSPaolo Bonzini void netdev_add(QemuOpts *opts, Error **errp); 1931422e32dSPaolo Bonzini int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret); 1941422e32dSPaolo Bonzini 1951422e32dSPaolo Bonzini int net_hub_id_for_client(NetClientState *nc, int *id); 1961422e32dSPaolo Bonzini NetClientState *net_hub_port_find(int hub_id); 1971422e32dSPaolo Bonzini 1981422e32dSPaolo Bonzini #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" 1991422e32dSPaolo Bonzini #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" 2001422e32dSPaolo Bonzini #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper" 2011422e32dSPaolo Bonzini #define DEFAULT_BRIDGE_INTERFACE "br0" 2021422e32dSPaolo Bonzini 2031422e32dSPaolo Bonzini void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd); 2041422e32dSPaolo Bonzini 2051422e32dSPaolo Bonzini #define POLYNOMIAL 0x04c11db6 2061422e32dSPaolo Bonzini unsigned compute_mcast_idx(const uint8_t *ep); 2071422e32dSPaolo Bonzini 2081422e32dSPaolo Bonzini #define vmstate_offset_macaddr(_state, _field) \ 2091422e32dSPaolo Bonzini vmstate_offset_array(_state, _field.a, uint8_t, \ 2101422e32dSPaolo Bonzini sizeof(typeof_field(_state, _field))) 2111422e32dSPaolo Bonzini 2121422e32dSPaolo Bonzini #define VMSTATE_MACADDR(_field, _state) { \ 2131422e32dSPaolo Bonzini .name = (stringify(_field)), \ 2141422e32dSPaolo Bonzini .size = sizeof(MACAddr), \ 2151422e32dSPaolo Bonzini .info = &vmstate_info_buffer, \ 2161422e32dSPaolo Bonzini .flags = VMS_BUFFER, \ 2171422e32dSPaolo Bonzini .offset = vmstate_offset_macaddr(_state, _field), \ 2181422e32dSPaolo Bonzini } 2191422e32dSPaolo Bonzini 2201422e32dSPaolo Bonzini #endif 221