qemu/net.h
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   1#ifndef QEMU_NET_H
   2#define QEMU_NET_H
   3
   4#include "qemu-queue.h"
   5#include "qemu-common.h"
   6#include "qdict.h"
   7#include "qemu-option.h"
   8#include "net/queue.h"
   9
  10struct MACAddr {
  11    uint8_t a[6];
  12};
  13
  14/* qdev nic properties */
  15
  16typedef struct NICConf {
  17    MACAddr macaddr;
  18    VLANState *vlan;
  19    VLANClientState *peer;
  20} NICConf;
  21
  22#define DEFINE_NIC_PROPERTIES(_state, _conf)                            \
  23    DEFINE_PROP_MACADDR("mac",   _state, _conf.macaddr),                \
  24    DEFINE_PROP_VLAN("vlan",     _state, _conf.vlan),                   \
  25    DEFINE_PROP_NETDEV("netdev", _state, _conf.peer)
  26
  27/* VLANs support */
  28
  29typedef enum {
  30    NET_CLIENT_TYPE_NONE,
  31    NET_CLIENT_TYPE_NIC,
  32    NET_CLIENT_TYPE_SLIRP,
  33    NET_CLIENT_TYPE_TAP,
  34    NET_CLIENT_TYPE_SOCKET,
  35    NET_CLIENT_TYPE_VDE,
  36    NET_CLIENT_TYPE_DUMP
  37} net_client_type;
  38
  39typedef void (NetPoll)(VLANClientState *, bool enable);
  40typedef int (NetCanReceive)(VLANClientState *);
  41typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
  42typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
  43typedef void (NetCleanup) (VLANClientState *);
  44typedef void (LinkStatusChanged)(VLANClientState *);
  45
  46typedef struct NetClientInfo {
  47    net_client_type type;
  48    size_t size;
  49    NetReceive *receive;
  50    NetReceive *receive_raw;
  51    NetReceiveIOV *receive_iov;
  52    NetCanReceive *can_receive;
  53    NetCleanup *cleanup;
  54    LinkStatusChanged *link_status_changed;
  55    NetPoll *poll;
  56} NetClientInfo;
  57
  58struct VLANClientState {
  59    NetClientInfo *info;
  60    int link_down;
  61    QTAILQ_ENTRY(VLANClientState) next;
  62    struct VLANState *vlan;
  63    VLANClientState *peer;
  64    NetQueue *send_queue;
  65    char *model;
  66    char *name;
  67    char info_str[256];
  68    unsigned receive_disabled : 1;
  69};
  70
  71typedef struct NICState {
  72    VLANClientState nc;
  73    NICConf *conf;
  74    void *opaque;
  75    bool peer_deleted;
  76} NICState;
  77
  78struct VLANState {
  79    int id;
  80    QTAILQ_HEAD(, VLANClientState) clients;
  81    QTAILQ_ENTRY(VLANState) next;
  82    NetQueue *send_queue;
  83};
  84
  85VLANState *qemu_find_vlan(int id, int allocate);
  86VLANClientState *qemu_find_netdev(const char *id);
  87VLANClientState *qemu_new_net_client(NetClientInfo *info,
  88                                     VLANState *vlan,
  89                                     VLANClientState *peer,
  90                                     const char *model,
  91                                     const char *name);
  92NICState *qemu_new_nic(NetClientInfo *info,
  93                       NICConf *conf,
  94                       const char *model,
  95                       const char *name,
  96                       void *opaque);
  97void qemu_del_vlan_client(VLANClientState *vc);
  98VLANClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
  99                                               const char *client_str);
 100typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
 101void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
 102int qemu_can_send_packet(VLANClientState *vc);
 103ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
 104                          int iovcnt);
 105ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
 106                                int iovcnt, NetPacketSent *sent_cb);
 107void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
 108ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
 109ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
 110                               int size, NetPacketSent *sent_cb);
 111void qemu_purge_queued_packets(VLANClientState *vc);
 112void qemu_flush_queued_packets(VLANClientState *vc);
 113void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
 114void qemu_macaddr_default_if_unset(MACAddr *macaddr);
 115int qemu_show_nic_models(const char *arg, const char *const *models);
 116void qemu_check_nic_model(NICInfo *nd, const char *model);
 117int qemu_find_nic_model(NICInfo *nd, const char * const *models,
 118                        const char *default_model);
 119
 120void do_info_network(Monitor *mon);
 121int do_set_link(Monitor *mon, const QDict *qdict, QObject **ret_data);
 122
 123/* NIC info */
 124
 125#define MAX_NICS 8
 126
 127struct NICInfo {
 128    uint8_t macaddr[6];
 129    char *model;
 130    char *name;
 131    char *devaddr;
 132    VLANState *vlan;
 133    VLANClientState *netdev;
 134    int used;
 135    int nvectors;
 136};
 137
 138extern int nb_nics;
 139extern NICInfo nd_table[MAX_NICS];
 140extern int default_net;
 141
 142/* BT HCI info */
 143
 144struct HCIInfo {
 145    int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
 146    void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 147    void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 148    void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 149    void *opaque;
 150    void (*evt_recv)(void *opaque, const uint8_t *data, int len);
 151    void (*acl_recv)(void *opaque, const uint8_t *data, int len);
 152};
 153
 154struct HCIInfo *qemu_next_hci(void);
 155
 156/* from net.c */
 157extern const char *legacy_tftp_prefix;
 158extern const char *legacy_bootp_filename;
 159
 160int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev);
 161int net_client_parse(QemuOptsList *opts_list, const char *str);
 162int net_init_clients(void);
 163void net_check_clients(void);
 164void net_cleanup(void);
 165void net_host_device_add(Monitor *mon, const QDict *qdict);
 166void net_host_device_remove(Monitor *mon, const QDict *qdict);
 167int do_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
 168int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
 169
 170#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 171#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
 172#ifdef __sun__
 173#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 174#else
 175#define SMBD_COMMAND "/usr/sbin/smbd"
 176#endif
 177
 178void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
 179
 180int net_handle_fd_param(Monitor *mon, const char *param);
 181
 182#endif
 183