| #ifndef QEMU_NET_H |
| #define QEMU_NET_H |
| |
| #include "qemu/queue.h" |
| #include "qemu-common.h" |
| #include "qapi/qmp/qdict.h" |
| #include "qemu/option.h" |
| #include "net/queue.h" |
| #include "migration/vmstate.h" |
| #include "qapi-types.h" |
| |
| #define MAX_QUEUE_NUM 1024 |
| |
| /* Maximum GSO packet size (64k) plus plenty of room for |
| * the ethernet and virtio_net headers |
| */ |
| #define NET_BUFSIZE (4096 + 65536) |
| |
| struct MACAddr { |
| uint8_t a[6]; |
| }; |
| |
| /* qdev nic properties */ |
| |
| typedef struct NICPeers { |
| NetClientState *ncs[MAX_QUEUE_NUM]; |
| int32_t queues; |
| } NICPeers; |
| |
| typedef struct NICConf { |
| MACAddr macaddr; |
| NICPeers peers; |
| int32_t bootindex; |
| } NICConf; |
| |
| #define DEFINE_NIC_PROPERTIES(_state, _conf) \ |
| DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ |
| DEFINE_PROP_VLAN("vlan", _state, _conf.peers), \ |
| DEFINE_PROP_NETDEV("netdev", _state, _conf.peers) |
| |
| |
| /* Net clients */ |
| |
| typedef void (NetPoll)(NetClientState *, bool enable); |
| typedef int (NetCanReceive)(NetClientState *); |
| typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); |
| typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int); |
| typedef void (NetCleanup) (NetClientState *); |
| typedef void (LinkStatusChanged)(NetClientState *); |
| typedef void (NetClientDestructor)(NetClientState *); |
| typedef RxFilterInfo *(QueryRxFilter)(NetClientState *); |
| typedef bool (HasUfo)(NetClientState *); |
| typedef bool (HasVnetHdr)(NetClientState *); |
| typedef bool (HasVnetHdrLen)(NetClientState *, int); |
| typedef void (UsingVnetHdr)(NetClientState *, bool); |
| typedef void (SetOffload)(NetClientState *, int, int, int, int, int); |
| typedef void (SetVnetHdrLen)(NetClientState *, int); |
| typedef int (SetVnetLE)(NetClientState *, bool); |
| typedef int (SetVnetBE)(NetClientState *, bool); |
| |
| typedef struct NetClientInfo { |
| NetClientOptionsKind type; |
| size_t size; |
| NetReceive *receive; |
| NetReceive *receive_raw; |
| NetReceiveIOV *receive_iov; |
| NetCanReceive *can_receive; |
| NetCleanup *cleanup; |
| LinkStatusChanged *link_status_changed; |
| QueryRxFilter *query_rx_filter; |
| NetPoll *poll; |
| HasUfo *has_ufo; |
| HasVnetHdr *has_vnet_hdr; |
| HasVnetHdrLen *has_vnet_hdr_len; |
| UsingVnetHdr *using_vnet_hdr; |
| SetOffload *set_offload; |
| SetVnetHdrLen *set_vnet_hdr_len; |
| SetVnetLE *set_vnet_le; |
| SetVnetBE *set_vnet_be; |
| } NetClientInfo; |
| |
| struct NetClientState { |
| NetClientInfo *info; |
| int link_down; |
| QTAILQ_ENTRY(NetClientState) next; |
| NetClientState *peer; |
| NetQueue *incoming_queue; |
| char *model; |
| char *name; |
| char info_str[256]; |
| unsigned receive_disabled : 1; |
| NetClientDestructor *destructor; |
| unsigned int queue_index; |
| unsigned rxfilter_notify_enabled:1; |
| }; |
| |
| typedef struct NICState { |
| NetClientState *ncs; |
| NICConf *conf; |
| void *opaque; |
| bool peer_deleted; |
| } NICState; |
| |
| char *qemu_mac_strdup_printf(const uint8_t *macaddr); |
| NetClientState *qemu_find_netdev(const char *id); |
| int qemu_find_net_clients_except(const char *id, NetClientState **ncs, |
| NetClientOptionsKind type, int max); |
| NetClientState *qemu_new_net_client(NetClientInfo *info, |
| NetClientState *peer, |
| const char *model, |
| const char *name); |
| NICState *qemu_new_nic(NetClientInfo *info, |
| NICConf *conf, |
| const char *model, |
| const char *name, |
| void *opaque); |
| void qemu_del_nic(NICState *nic); |
| NetClientState *qemu_get_subqueue(NICState *nic, int queue_index); |
| NetClientState *qemu_get_queue(NICState *nic); |
| NICState *qemu_get_nic(NetClientState *nc); |
| void *qemu_get_nic_opaque(NetClientState *nc); |
| void qemu_del_net_client(NetClientState *nc); |
| NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, |
| const char *client_str); |
| typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque); |
| void qemu_foreach_nic(qemu_nic_foreach func, void *opaque); |
| int qemu_can_send_packet(NetClientState *nc); |
| ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, |
| int iovcnt); |
| ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov, |
| int iovcnt, NetPacketSent *sent_cb); |
| void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size); |
| ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size); |
| ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf, |
| int size, NetPacketSent *sent_cb); |
| void qemu_purge_queued_packets(NetClientState *nc); |
| void qemu_flush_queued_packets(NetClientState *nc); |
| void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]); |
| bool qemu_has_ufo(NetClientState *nc); |
| bool qemu_has_vnet_hdr(NetClientState *nc); |
| bool qemu_has_vnet_hdr_len(NetClientState *nc, int len); |
| void qemu_using_vnet_hdr(NetClientState *nc, bool enable); |
| void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6, |
| int ecn, int ufo); |
| void qemu_set_vnet_hdr_len(NetClientState *nc, int len); |
| int qemu_set_vnet_le(NetClientState *nc, bool is_le); |
| int qemu_set_vnet_be(NetClientState *nc, bool is_be); |
| void qemu_macaddr_default_if_unset(MACAddr *macaddr); |
| int qemu_show_nic_models(const char *arg, const char *const *models); |
| void qemu_check_nic_model(NICInfo *nd, const char *model); |
| int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
| const char *default_model); |
| |
| ssize_t qemu_deliver_packet(NetClientState *sender, |
| unsigned flags, |
| const uint8_t *data, |
| size_t size, |
| void *opaque); |
| ssize_t qemu_deliver_packet_iov(NetClientState *sender, |
| unsigned flags, |
| const struct iovec *iov, |
| int iovcnt, |
| void *opaque); |
| |
| void print_net_client(Monitor *mon, NetClientState *nc); |
| void hmp_info_network(Monitor *mon, const QDict *qdict); |
| |
| /* NIC info */ |
| |
| #define MAX_NICS 8 |
| |
| struct NICInfo { |
| MACAddr macaddr; |
| char *model; |
| char *name; |
| char *devaddr; |
| NetClientState *netdev; |
| int used; /* is this slot in nd_table[] being used? */ |
| int instantiated; /* does this NICInfo correspond to an instantiated NIC? */ |
| int nvectors; |
| }; |
| |
| extern int nb_nics; |
| extern NICInfo nd_table[MAX_NICS]; |
| extern int default_net; |
| extern const char *host_net_devices[]; |
| |
| /* from net.c */ |
| extern const char *legacy_tftp_prefix; |
| extern const char *legacy_bootp_filename; |
| |
| int net_client_init(QemuOpts *opts, int is_netdev, Error **errp); |
| int net_client_parse(QemuOptsList *opts_list, const char *str); |
| int net_init_clients(void); |
| void net_check_clients(void); |
| void net_cleanup(void); |
| void hmp_host_net_add(Monitor *mon, const QDict *qdict); |
| void hmp_host_net_remove(Monitor *mon, const QDict *qdict); |
| void netdev_add(QemuOpts *opts, Error **errp); |
| void qmp_netdev_add(QDict *qdict, QObject **ret, Error **errp); |
| |
| int net_hub_id_for_client(NetClientState *nc, int *id); |
| NetClientState *net_hub_port_find(int hub_id); |
| |
| #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
| #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" |
| #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper" |
| #define DEFAULT_BRIDGE_INTERFACE "br0" |
| |
| void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd); |
| |
| #define POLYNOMIAL 0x04c11db6 |
| unsigned compute_mcast_idx(const uint8_t *ep); |
| |
| #define vmstate_offset_macaddr(_state, _field) \ |
| vmstate_offset_array(_state, _field.a, uint8_t, \ |
| sizeof(typeof_field(_state, _field))) |
| |
| #define VMSTATE_MACADDR(_field, _state) { \ |
| .name = (stringify(_field)), \ |
| .size = sizeof(MACAddr), \ |
| .info = &vmstate_info_buffer, \ |
| .flags = VMS_BUFFER, \ |
| .offset = vmstate_offset_macaddr(_state, _field), \ |
| } |
| |
| #endif |
