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 struct VLANClientState {
  13     IOReadHandler *fd_read;
  14     IOReadvHandler *fd_readv;
  15     /* Packets may still be sent if this returns zero.  It's used to
  16        rate-limit the slirp code.  */
  17     IOCanRWHandler *fd_can_read;
  18     void *opaque;
  19     struct VLANClientState *next;
  20     struct VLANState *vlan;
  21     char info_str[256];
  22 };
  23
  24 struct VLANState {
  25     int id;
  26     VLANClientState *first_client;
  27     struct VLANState *next;
  28     unsigned int nb_guest_devs, nb_host_devs;
  29 };
  30
  31 VLANState *qemu_find_vlan(int id);
  32 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
  33                                       IOReadHandler *fd_read,
  34                                       IOCanRWHandler *fd_can_read,
  35                                       void *opaque);
  36 void qemu_del_vlan_client(VLANClientState *vc);
  37 int qemu_can_send_packet(VLANClientState *vc);
  38 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
  39                           int iovcnt);
  40 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
  41 void qemu_handler_true(void *opaque);
  42
  43 void do_info_network(void);
  44
  45 /* NIC info */
  46
  47 #define MAX_NICS 8
  48
  49 struct NICInfo {
  50     uint8_t macaddr[6];
  51     const char *model;
  52     VLANState *vlan;
  53 };
  54
  55 extern int nb_nics;
  56 extern NICInfo nd_table[MAX_NICS];
  57
  58 /* BT HCI info */
  59
  60 struct HCIInfo {
  61     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
  62     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  63     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  64     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  65     void *opaque;
  66     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
  67     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
  68 };
  69
  70 struct HCIInfo *qemu_next_hci(void);
  71
  72 /* checksumming functions (net-checksum.c) */
  73 uint32_t net_checksum_add(int len, uint8_t *buf);
  74 uint16_t net_checksum_finish(uint32_t sum);
  75 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
  76                              uint8_t *addrs, uint8_t *buf);
  77 void net_checksum_calculate(uint8_t *data, int length);
  78
  79 /* from net.c */
  80 int net_client_init(const char *device, const char *p);
  81 int net_client_parse(const char *str);
  82 void net_slirp_smb(const char *exported_dir);
  83 void net_slirp_redir(const char *redir_str);
  84 void net_cleanup(void);
  85 int slirp_is_inited(void);
  86 void net_client_check(void);
  87
  88 #endif