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 (NetCleanup) (VLANClientState *);
  13 typedef void (LinkStatusChanged)(VLANClientState *);
  14 typedef void (SetOffload)(VLANClientState *, int, int, int, int);
  15
  16 struct VLANClientState {
  17     IOReadHandler *fd_read;
  18     IOReadvHandler *fd_readv;
  19     /* Packets may still be sent if this returns zero.  It's used to
  20        rate-limit the slirp code.  */
  21     IOCanRWHandler *fd_can_read;
  22     NetCleanup *cleanup;
  23     LinkStatusChanged *link_status_changed;
  24     int link_down;
  25     SetOffload *set_offload;
  26     void *opaque;
  27     struct VLANClientState *next;
  28     struct VLANState *vlan;
  29     char *model;
  30     char *name;
  31     char info_str[256];
  32 };
  33
  34 typedef struct VLANPacket VLANPacket;
  35
  36 struct VLANPacket {
  37     struct VLANPacket *next;
  38     VLANClientState *sender;
  39     int size;
  40     uint8_t data[0];
  41 };
  42
  43 struct VLANState {
  44     int id;
  45     VLANClientState *first_client;
  46     struct VLANState *next;
  47     unsigned int nb_guest_devs, nb_host_devs;
  48     VLANPacket *send_queue;
  49     int delivering;
  50 };
  51
  52 VLANState *qemu_find_vlan(int id);
  53 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
  54                                       const char *model,
  55                                       const char *name,
  56                                       IOReadHandler *fd_read,
  57                                       IOCanRWHandler *fd_can_read,
  58                                       NetCleanup *cleanup,
  59                                       void *opaque);
  60 void qemu_del_vlan_client(VLANClientState *vc);
  61 VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
  62 int qemu_can_send_packet(VLANClientState *vc);
  63 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
  64                           int iovcnt);
  65 int qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
  66 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
  67 void qemu_check_nic_model(NICInfo *nd, const char *model);
  68 void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
  69                                const char *default_model);
  70 void qemu_handler_true(void *opaque);
  71
  72 void do_info_network(Monitor *mon);
  73 int do_set_link(Monitor *mon, const char *name, const char *up_or_down);
  74
  75 int tap_has_vnet_hdr(void *opaque);
  76 void tap_using_vnet_hdr(void *opaque, int using_vnet_hdr);
  77
  78 /* NIC info */
  79
  80 #define MAX_NICS 8
  81
  82 struct NICInfo {
  83     uint8_t macaddr[6];
  84     const char *model;
  85     const char *name;
  86     VLANState *vlan;
  87     void *private;
  88     int used;
  89 };
  90
  91 extern int nb_nics;
  92 extern NICInfo nd_table[MAX_NICS];
  93
  94 /* BT HCI info */
  95
  96 struct HCIInfo {
  97     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
  98     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
  99     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 100     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
 101     void *opaque;
 102     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
 103     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
 104 };
 105
 106 struct HCIInfo *qemu_next_hci(void);
 107
 108 /* checksumming functions (net-checksum.c) */
 109 uint32_t net_checksum_add(int len, uint8_t *buf);
 110 uint16_t net_checksum_finish(uint32_t sum);
 111 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
 112                              uint8_t *addrs, uint8_t *buf);
 113 void net_checksum_calculate(uint8_t *data, int length);
 114
 115 /* from net.c */
 116 int net_client_init(const char *device, const char *p);
 117 void net_client_uninit(NICInfo *nd);
 118 int net_client_parse(const char *str);
 119 void net_slirp_smb(const char *exported_dir);
 120 void net_slirp_redir(Monitor *mon, const char *redir_str);
 121 void net_cleanup(void);
 122 int slirp_is_inited(void);
 123 void net_client_check(void);
 124 void net_host_device_add(Monitor *mon, const char *device, const char *opts);
 125 void net_host_device_remove(Monitor *mon, int vlan_id, const char *device);
 126
 127 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 128 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
 129 #ifdef __sun__
 130 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 131 #else
 132 #define SMBD_COMMAND "/usr/sbin/smbd"
 133 #endif
 134
 135 #endif