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 (SetOffload)(VLANClientState *, int, int, int, int);
  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     SetOffload *set_offload;
  21     void *opaque;
  22     struct VLANClientState *next;
  23     struct VLANState *vlan;
  24     char *model;
  25     char *name;
  26     char info_str[256];
  27 };
  28
  29 struct VLANState {
  30     int id;
  31     VLANClientState *first_client;
  32     struct VLANState *next;
  33     unsigned int nb_guest_devs, nb_host_devs;
  34 };
  35
  36 VLANState *qemu_find_vlan(int id);
  37 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
  38                                       const char *model,
  39                                       const char *name,
  40                                       IOReadHandler *fd_read,
  41                                       IOCanRWHandler *fd_can_read,
  42                                       void *opaque);
  43 void qemu_del_vlan_client(VLANClientState *vc);
  44 int qemu_can_send_packet(VLANClientState *vc);
  45 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
  46                           int iovcnt);
  47 int qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
  48 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
  49 void qemu_handler_true(void *opaque);
  50
  51 void do_info_network(void);
  52
  53 int tap_has_vnet_hdr(void *opaque);
  54 void tap_using_vnet_hdr(void *opaque, int using_vnet_hdr);
  55
  56 /* NIC info */
  57
  58 #define MAX_NICS 8
  59
  60 struct NICInfo {
  61     uint8_t macaddr[6];
  62     const char *model;
  63     const char *name;
  64     VLANState *vlan;
  65     int devfn;
  66     int used;
  67 };
  68
  69 extern int nb_nics;
  70 extern NICInfo nd_table[MAX_NICS];
  71
  72 /* BT HCI info */
  73
  74 struct HCIInfo {
  75     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
  76     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  77     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  78     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  79     void *opaque;
  80     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
  81     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
  82 };
  83
  84 struct HCIInfo *qemu_next_hci(void);
  85
  86 /* checksumming functions (net-checksum.c) */
  87 uint32_t net_checksum_add(int len, uint8_t *buf);
  88 uint16_t net_checksum_finish(uint32_t sum);
  89 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
  90                              uint8_t *addrs, uint8_t *buf);
  91 void net_checksum_calculate(uint8_t *data, int length);
  92
  93 /* from net.c */
  94 int net_client_init(const char *device, const char *p);
  95 void net_client_uninit(NICInfo *nd);
  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