--- /dev/null
+#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
Code Review / kvmfornfv.git / blobdiff