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 typedef void (SetOffload)(VLANClientState *, int, int, int, int);
  14
  15 struct VLANClientState {
  16     IOReadHandler *fd_read;
  17     IOReadvHandler *fd_readv;
  18     /* Packets may still be sent if this returns zero.  It's used to
  19        rate-limit the slirp code.  */
  20     IOCanRWHandler *fd_can_read;
  21     LinkStatusChanged *link_status_changed;
  22     int link_down;
  23     SetOffload *set_offload;
  24     void *opaque;
  25     struct VLANClientState *next;
  26     struct VLANState *vlan;
  27     char *model;
  28     char *name;
  29     char info_str[256];
  30 };
  31
  32 struct VLANState {
  33     int id;
  34     VLANClientState *first_client;
  35     struct VLANState *next;
  36     unsigned int nb_guest_devs, nb_host_devs;
  37 };
  38
  39 VLANState *qemu_find_vlan(int id);
  40 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
  41                                       const char *model,
  42                                       const char *name,
  43                                       IOReadHandler *fd_read,
  44                                       IOCanRWHandler *fd_can_read,
  45                                       void *opaque);
  46 void qemu_del_vlan_client(VLANClientState *vc);
  47 VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
  48 int qemu_can_send_packet(VLANClientState *vc);
  49 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
  50                           int iovcnt);
  51 int qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
  52 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
  53 void qemu_check_nic_model(NICInfo *nd, const char *model);
  54 void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
  55                                const char *default_model);
  56 void qemu_handler_true(void *opaque);
  57
  58 void do_info_network(void);
  59 int do_set_link(const char *name, const char *up_or_down);
  60
  61 int tap_has_vnet_hdr(void *opaque);
  62 void tap_using_vnet_hdr(void *opaque, int using_vnet_hdr);
  63
  64 /* NIC info */
  65
  66 #define MAX_NICS 8
  67
  68 struct NICInfo {
  69     uint8_t macaddr[6];
  70     const char *model;
  71     const char *name;
  72     VLANState *vlan;
  73     void *private;
  74     int used;
  75 };
  76
  77 extern int nb_nics;
  78 extern NICInfo nd_table[MAX_NICS];
  79
  80 /* BT HCI info */
  81
  82 struct HCIInfo {
  83     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
  84     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  85     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  86     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  87     void *opaque;
  88     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
  89     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
  90 };
  91
  92 struct HCIInfo *qemu_next_hci(void);
  93
  94 /* checksumming functions (net-checksum.c) */
  95 uint32_t net_checksum_add(int len, uint8_t *buf);
  96 uint16_t net_checksum_finish(uint32_t sum);
  97 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
  98                              uint8_t *addrs, uint8_t *buf);
  99 void net_checksum_calculate(uint8_t *data, int length);
 100
 101 /* from net.c */
 102 int net_client_init(const char *device, const char *p);
 103 void net_client_uninit(NICInfo *nd);
 104 int net_client_parse(const char *str);
 105 void net_slirp_smb(const char *exported_dir);
 106 void net_slirp_redir(const char *redir_str);
 107 void net_cleanup(void);
 108 int slirp_is_inited(void);
 109 void net_client_check(void);
 110 void net_host_device_add(const char *device, const char *opts);
 111 void net_host_device_remove(int vlan_id, const char *device);
 112
 113 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 114 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
 115 #ifdef __sun__
 116 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 117 #else
 118 #define SMBD_COMMAND "/usr/sbin/smbd"
 119 #endif
 120
 121 #endif