net.h

   1 #ifndef QEMU_NET_H
   2 #define QEMU_NET_H
   3
   4 #include "qemu-common.h"
   5
   6 /* VLANs support */
   7
   8 typedef ssize_t (IOReadvHandler)(void *, const struct iovec *, int);
   9
  10 typedef struct VLANClientState VLANClientState;
  11
  12 typedef void (LinkStatusChanged)(VLANClientState *);
  13
  14 struct VLANClientState {
  15     IOReadHandler *fd_read;
  16     IOReadvHandler *fd_readv;
  17     /* Packets may still be sent if this returns zero.  It's used to
  18        rate-limit the slirp code.  */
  19     IOCanRWHandler *fd_can_read;
  20     LinkStatusChanged *link_status_changed;
  21     int link_down;
  22     void *opaque;
  23     struct VLANClientState *next;
  24     struct VLANState *vlan;
  25     char *model;
  26     char *name;
  27     char info_str[256];
  28 };
  29
  30 struct VLANState {
  31     int id;
  32     VLANClientState *first_client;
  33     struct VLANState *next;
  34     unsigned int nb_guest_devs, nb_host_devs;
  35 };
  36
  37 VLANState *qemu_find_vlan(int id);
  38 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
  39                                       const char *model,
  40                                       const char *name,
  41                                       IOReadHandler *fd_read,
  42                                       IOCanRWHandler *fd_can_read,
  43                                       void *opaque);
  44 void qemu_del_vlan_client(VLANClientState *vc);
  45 VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
  46 int qemu_can_send_packet(VLANClientState *vc);
  47 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
  48                           int iovcnt);
  49 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
  50 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
  51 void qemu_check_nic_model(NICInfo *nd, const char *model);
  52 void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
  53                                const char *default_model);
  54 void qemu_handler_true(void *opaque);
  55
  56 void do_info_network(Monitor *mon);
  57 int do_set_link(Monitor *mon, const char *name, const char *up_or_down);
  58
  59 /* NIC info */
  60
  61 #define MAX_NICS 8
  62
  63 struct NICInfo {
  64     uint8_t macaddr[6];
  65     const char *model;
  66     const char *name;
  67     VLANState *vlan;
  68     void *private;
  69     int used;
  70 };
  71
  72 extern int nb_nics;
  73 extern NICInfo nd_table[MAX_NICS];
  74
  75 /* BT HCI info */
  76
  77 struct HCIInfo {
  78     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
  79     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  80     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  81     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  82     void *opaque;
  83     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
  84     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
  85 };
  86
  87 struct HCIInfo *qemu_next_hci(void);
  88
  89 /* checksumming functions (net-checksum.c) */
  90 uint32_t net_checksum_add(int len, uint8_t *buf);
  91 uint16_t net_checksum_finish(uint32_t sum);
  92 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
  93                              uint8_t *addrs, uint8_t *buf);
  94 void net_checksum_calculate(uint8_t *data, int length);
  95
  96 /* from net.c */
  97 int net_client_init(const char *device, const char *p);
  98 void net_client_uninit(NICInfo *nd);
  99 int net_client_parse(const char *str);
 100 void net_slirp_smb(const char *exported_dir);
 101 void net_slirp_redir(const char *redir_str);
 102 void net_cleanup(void);
 103 int slirp_is_inited(void);
 104 void net_client_check(void);
 105 void net_host_device_add(Monitor *mon, const char *device, const char *opts);
 106 void net_host_device_remove(Monitor *mon, int vlan_id, const char *device);
 107
 108 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 109 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
 110 #ifdef __sun__
 111 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 112 #else
 113 #define SMBD_COMMAND "/usr/sbin/smbd"
 114 #endif
 115
 116 #endif