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 int (NetCanReceive)(VLANClientState *);
  40 typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
  41 typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
  42 typedef void (NetCleanup) (VLANClientState *);
  43 typedef void (LinkStatusChanged)(VLANClientState *);
  44
  45 typedef struct NetClientInfo {
  46     net_client_type type;
  47     size_t size;
  48     NetReceive *receive;
  49     NetReceive *receive_raw;
  50     NetReceiveIOV *receive_iov;
  51     NetCanReceive *can_receive;
  52     NetCleanup *cleanup;
  53     LinkStatusChanged *link_status_changed;
  54 } NetClientInfo;
  55
  56 struct VLANClientState {
  57     NetClientInfo *info;
  58     int link_down;
  59     QTAILQ_ENTRY(VLANClientState) next;
  60     struct VLANState *vlan;
  61     VLANClientState *peer;
  62     NetQueue *send_queue;
  63     char *model;
  64     char *name;
  65     char info_str[256];
  66     unsigned receive_disabled : 1;
  67 };
  68
  69 typedef struct NICState {
  70     VLANClientState nc;
  71     NICConf *conf;
  72     void *opaque;
  73 } NICState;
  74
  75 struct VLANState {
  76     int id;
  77     QTAILQ_HEAD(, VLANClientState) clients;
  78     QTAILQ_ENTRY(VLANState) next;
  79     NetQueue *send_queue;
  80 };
  81
  82 VLANState *qemu_find_vlan(int id, int allocate);
  83 VLANClientState *qemu_find_netdev(const char *id);
  84 VLANClientState *qemu_new_net_client(NetClientInfo *info,
  85                                      VLANState *vlan,
  86                                      VLANClientState *peer,
  87                                      const char *model,
  88                                      const char *name);
  89 NICState *qemu_new_nic(NetClientInfo *info,
  90                        NICConf *conf,
  91                        const char *model,
  92                        const char *name,
  93                        void *opaque);
  94 void qemu_del_vlan_client(VLANClientState *vc);
  95 VLANClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
  96                                                const char *client_str);
  97 typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
  98 void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
  99 int qemu_can_send_packet(VLANClientState *vc);
 100 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
 101                           int iovcnt);
 102 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
 103                                 int iovcnt, NetPacketSent *sent_cb);
 104 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
 105 ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
 106 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
 107                                int size, NetPacketSent *sent_cb);
 108 void qemu_purge_queued_packets(VLANClientState *vc);
 109 void qemu_flush_queued_packets(VLANClientState *vc);
 110 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
 111 void qemu_macaddr_default_if_unset(MACAddr *macaddr);
 112 int qemu_show_nic_models(const char *arg, const char *const *models);
 113 void qemu_check_nic_model(NICInfo *nd, const char *model);
 114 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
 115                         const char *default_model);
 116
 117 void do_info_network(Monitor *mon);
 118 void do_set_link(Monitor *mon, const QDict *qdict);
 119
 120 /* NIC info */
 121
 122 #define MAX_NICS 8
 123 enum {
 124         NIC_NVECTORS_UNSPECIFIED = -1
 125 };
 126
 127 struct 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 bootable;
 136     int nvectors;
 137 };
 138
 139 extern int nb_nics;
 140 extern NICInfo nd_table[MAX_NICS];
 141 extern int default_net;
 142
 143 /* BT HCI info */
 144
 145 struct HCIInfo {
 146     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
 147     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 148     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 149     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 150     void *opaque;
 151     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
 152     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
 153 };
 154
 155 struct HCIInfo *qemu_next_hci(void);
 156
 157 /* from net.c */
 158 extern const char *legacy_tftp_prefix;
 159 extern const char *legacy_bootp_filename;
 160
 161 int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev);
 162 int net_client_parse(QemuOptsList *opts_list, const char *str);
 163 int net_init_clients(void);
 164 void net_check_clients(void);
 165 void net_cleanup(void);
 166 void net_host_device_add(Monitor *mon, const QDict *qdict);
 167 void net_host_device_remove(Monitor *mon, const QDict *qdict);
 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