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 int qemu_can_send_packet(VLANClientState *vc);
  46 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
  47                           int iovcnt);
  48 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
  49 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
  50 void qemu_check_nic_model(NICInfo *nd, const char *model);
  51 void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
  52                                const char *default_model);
  53 void qemu_handler_true(void *opaque);
  54
  55 void do_info_network(void);
  56 int do_set_link(const char *name, const char *up_or_down);
  57
  58 /* NIC info */
  59
  60 #define MAX_NICS 8
  61
  62 struct NICInfo {
  63     uint8_t macaddr[6];
  64     const char *model;
  65     const char *name;
  66     VLANState *vlan;
  67     void *private;
  68 };
  69
  70 extern int nb_nics;
  71 extern NICInfo nd_table[MAX_NICS];
  72
  73 /* BT HCI info */
  74
  75 struct HCIInfo {
  76     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
  77     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  78     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  79     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  80     void *opaque;
  81     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
  82     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
  83 };
  84
  85 struct HCIInfo *qemu_next_hci(void);
  86
  87 /* checksumming functions (net-checksum.c) */
  88 uint32_t net_checksum_add(int len, uint8_t *buf);
  89 uint16_t net_checksum_finish(uint32_t sum);
  90 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
  91                              uint8_t *addrs, uint8_t *buf);
  92 void net_checksum_calculate(uint8_t *data, int length);
  93
  94 /* from net.c */
  95 int net_client_init(const char *device, const char *p);
  96 int net_client_parse(const char *str);
  97 void net_slirp_smb(const char *exported_dir);
  98 void net_slirp_redir(const char *redir_str);
  99 void net_cleanup(void);
 100 int slirp_is_inited(void);
 101 void net_client_check(void);
 102
 103 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 104 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
 105 #ifdef __sun__
 106 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 107 #else
 108 #define SMBD_COMMAND "/usr/sbin/smbd"
 109 #endif
 110
 111 #endif