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     net_client_type type;
  58     NetReceive *receive;
  59     NetReceive *receive_raw;
  60     NetReceiveIOV *receive_iov;
  61     /* Packets may still be sent if this returns zero.  It's used to
  62        rate-limit the slirp code.  */
  63     NetCanReceive *can_receive;
  64     NetCleanup *cleanup;
  65     LinkStatusChanged *link_status_changed;
  66     int link_down;
  67     QTAILQ_ENTRY(VLANClientState) next;
  68     struct VLANState *vlan;
  69     VLANClientState *peer;
  70     NetQueue *send_queue;
  71     char *model;
  72     char *name;
  73     char info_str[256];
  74     unsigned receive_disabled : 1;
  75 };
  76
  77 typedef struct NICState {
  78     VLANClientState nc;
  79     NICConf *conf;
  80     void *opaque;
  81 } NICState;
  82
  83 struct VLANState {
  84     int id;
  85     QTAILQ_HEAD(, VLANClientState) clients;
  86     QTAILQ_ENTRY(VLANState) next;
  87     unsigned int nb_guest_devs, nb_host_devs;
  88     NetQueue *send_queue;
  89 };
  90
  91 VLANState *qemu_find_vlan(int id, int allocate);
  92 VLANClientState *qemu_find_netdev(const char *id);
  93 VLANClientState *qemu_new_net_client(NetClientInfo *info,
  94                                      VLANState *vlan,
  95                                      VLANClientState *peer,
  96                                      const char *model,
  97                                      const char *name);
  98 NICState *qemu_new_nic(NetClientInfo *info,
  99                        NICConf *conf,
 100                        const char *model,
 101                        const char *name,
 102                        void *opaque);
 103 void qemu_del_vlan_client(VLANClientState *vc);
 104 VLANClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
 105                                                const char *client_str);
 106 int qemu_can_send_packet(VLANClientState *vc);
 107 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
 108                           int iovcnt);
 109 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
 110                                 int iovcnt, NetPacketSent *sent_cb);
 111 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
 112 ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
 113 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
 114                                int size, NetPacketSent *sent_cb);
 115 void qemu_purge_queued_packets(VLANClientState *vc);
 116 void qemu_flush_queued_packets(VLANClientState *vc);
 117 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
 118 void qemu_macaddr_default_if_unset(MACAddr *macaddr);
 119 int qemu_show_nic_models(const char *arg, const char *const *models);
 120 void qemu_check_nic_model(NICInfo *nd, const char *model);
 121 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
 122                         const char *default_model);
 123
 124 void do_info_network(Monitor *mon);
 125 void do_set_link(Monitor *mon, const QDict *qdict);
 126
 127 /* NIC info */
 128
 129 #define MAX_NICS 8
 130 enum {
 131         NIC_NVECTORS_UNSPECIFIED = -1
 132 };
 133
 134 struct NICInfo {
 135     uint8_t macaddr[6];
 136     char *model;
 137     char *name;
 138     char *devaddr;
 139     VLANState *vlan;
 140     VLANClientState *netdev;
 141     int used;
 142     int bootable;
 143     int nvectors;
 144 };
 145
 146 extern int nb_nics;
 147 extern NICInfo nd_table[MAX_NICS];
 148
 149 /* BT HCI info */
 150
 151 struct HCIInfo {
 152     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
 153     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 154     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 155     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 156     void *opaque;
 157     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
 158     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
 159 };
 160
 161 struct HCIInfo *qemu_next_hci(void);
 162
 163 /* from net.c */
 164 extern const char *legacy_tftp_prefix;
 165 extern const char *legacy_bootp_filename;
 166
 167 int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev);
 168 void net_client_uninit(NICInfo *nd);
 169 int net_client_parse(QemuOptsList *opts_list, const char *str);
 170 int net_init_clients(void);
 171 void net_cleanup(void);
 172 void net_set_boot_mask(int boot_mask);
 173 void net_host_device_add(Monitor *mon, const QDict *qdict);
 174 void net_host_device_remove(Monitor *mon, const QDict *qdict);
 175
 176 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 177 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
 178 #ifdef __sun__
 179 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 180 #else
 181 #define SMBD_COMMAND "/usr/sbin/smbd"
 182 #endif
 183
 184 void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
 185
 186 int net_handle_fd_param(Monitor *mon, const char *param);
 187
 188 #endif