net.h

   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
  10 struct MACAddr {
  11     uint8_t a[6];
  12 };
  13
  14 /* qdev nic properties */
  15
  16 typedef 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
  29 typedef 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
  39 typedef void (NetPoll)(VLANClientState *, bool enable);
  40 typedef int (NetCanReceive)(VLANClientState *);
  41 typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
  42 typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
  43 typedef void (NetCleanup) (VLANClientState *);
  44 typedef void (LinkStatusChanged)(VLANClientState *);
  45
  46 typedef 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
  58 struct 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
  71 typedef struct NICState {
  72     VLANClientState nc;
  73     NICConf *conf;
  74     void *opaque;
  75 } NICState;
  76
  77 struct VLANState {
  78     int id;
  79     QTAILQ_HEAD(, VLANClientState) clients;
  80     QTAILQ_ENTRY(VLANState) next;
  81     NetQueue *send_queue;
  82 };
  83
  84 VLANState *qemu_find_vlan(int id, int allocate);
  85 VLANClientState *qemu_find_netdev(const char *id);
  86 VLANClientState *qemu_new_net_client(NetClientInfo *info,
  87                                      VLANState *vlan,
  88                                      VLANClientState *peer,
  89                                      const char *model,
  90                                      const char *name);
  91 NICState *qemu_new_nic(NetClientInfo *info,
  92                        NICConf *conf,
  93                        const char *model,
  94                        const char *name,
  95                        void *opaque);
  96 void qemu_del_vlan_client(VLANClientState *vc);
  97 VLANClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
  98                                                const char *client_str);
  99 typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
 100 void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
 101 int qemu_can_send_packet(VLANClientState *vc);
 102 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
 103                           int iovcnt);
 104 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
 105                                 int iovcnt, NetPacketSent *sent_cb);
 106 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
 107 ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
 108 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
 109                                int size, NetPacketSent *sent_cb);
 110 void qemu_purge_queued_packets(VLANClientState *vc);
 111 void qemu_flush_queued_packets(VLANClientState *vc);
 112 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
 113 void qemu_macaddr_default_if_unset(MACAddr *macaddr);
 114 int qemu_show_nic_models(const char *arg, const char *const *models);
 115 void qemu_check_nic_model(NICInfo *nd, const char *model);
 116 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
 117                         const char *default_model);
 118
 119 void do_info_network(Monitor *mon);
 120 int do_set_link(Monitor *mon, const QDict *qdict, QObject **ret_data);
 121
 122 /* NIC info */
 123
 124 #define MAX_NICS 8
 125
 126 struct NICInfo {
 127     uint8_t macaddr[6];
 128     char *model;
 129     char *name;
 130     char *devaddr;
 131     VLANState *vlan;
 132     VLANClientState *netdev;
 133     int used;
 134     int nvectors;
 135 };
 136
 137 extern int nb_nics;
 138 extern NICInfo nd_table[MAX_NICS];
 139 extern int default_net;
 140
 141 /* BT HCI info */
 142
 143 struct HCIInfo {
 144     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
 145     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 146     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 147     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 148     void *opaque;
 149     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
 150     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
 151 };
 152
 153 struct HCIInfo *qemu_next_hci(void);
 154
 155 /* from net.c */
 156 extern const char *legacy_tftp_prefix;
 157 extern const char *legacy_bootp_filename;
 158
 159 int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev);
 160 int net_client_parse(QemuOptsList *opts_list, const char *str);
 161 int net_init_clients(void);
 162 void net_check_clients(void);
 163 void net_cleanup(void);
 164 void net_host_device_add(Monitor *mon, const QDict *qdict);
 165 void net_host_device_remove(Monitor *mon, const QDict *qdict);
 166 int do_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
 167 int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
 168
 169 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 170 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
 171 #ifdef __sun__
 172 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 173 #else
 174 #define SMBD_COMMAND "/usr/sbin/smbd"
 175 #endif
 176
 177 void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
 178
 179 int net_handle_fd_param(Monitor *mon, const char *param);
 180
 181 #endif