diff options
Diffstat (limited to 'include/net/net.h')
| -rw-r--r-- | include/net/net.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/include/net/net.h b/include/net/net.h new file mode 100644 index 0000000000..de42dd76da --- /dev/null +++ b/include/net/net.h @@ -0,0 +1,175 @@ +#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" + +struct MACAddr { + uint8_t a[6]; +}; + +/* qdev nic properties */ + +typedef struct NICConf { + MACAddr macaddr; + NetClientState *peer; + int32_t bootindex; +} NICConf; + +#define DEFINE_NIC_PROPERTIES(_state, _conf) \ + DEFINE_PROP_MACADDR("mac", _state, _conf.macaddr), \ + DEFINE_PROP_VLAN("vlan", _state, _conf.peer), \ + DEFINE_PROP_NETDEV("netdev", _state, _conf.peer), \ + DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1) + +/* 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 struct NetClientInfo { + NetClientOptionsKind type; + size_t size; + NetReceive *receive; + NetReceive *receive_raw; + NetReceiveIOV *receive_iov; + NetCanReceive *can_receive; + NetCleanup *cleanup; + LinkStatusChanged *link_status_changed; + NetPoll *poll; +} NetClientInfo; + +struct NetClientState { + NetClientInfo *info; + int link_down; + QTAILQ_ENTRY(NetClientState) next; + NetClientState *peer; + NetQueue *send_queue; + char *model; + char *name; + char info_str[256]; + unsigned receive_disabled : 1; +}; + +typedef struct NICState { + NetClientState nc; + NICConf *conf; + void *opaque; + bool peer_deleted; +} NICState; + +NetClientState *qemu_find_netdev(const char *id); +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_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]); +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 do_info_network(Monitor *mon); + +/* 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; + +/* 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 net_host_device_add(Monitor *mon, const QDict *qdict); +void net_host_device_remove(Monitor *mon, const QDict *qdict); +void netdev_add(QemuOpts *opts, Error **errp); +int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret); + +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 |