slirp/libslirp.h

   1 #ifndef LIBSLIRP_H
   2 #define LIBSLIRP_H
   3
   4 #include "qemu-common.h"
   5
   6 typedef struct Slirp Slirp;
   7
   8 /*
   9  * Callbacks from slirp
  10  *
  11  * The opaque parameter comes from the opaque parameter given to slirp_init().
  12  */
  13 typedef struct SlirpCb {
  14     /* Send an ethernet frame to the guest network.  */
  15     void (*output)(void *opaque, const uint8_t *pkt, int pkt_len);
  16     /* Print a message for an error due to guest misbehavior.  */
  17     void (*guest_error)(const char *msg);
  18     /* Return the virtual clock value in nanoseconds */
  19     int64_t (*clock_get_ns)(void);
  20 } SlirpCb;
  21
  22
  23 Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork,
  24                   struct in_addr vnetmask, struct in_addr vhost,
  25                   bool in6_enabled,
  26                   struct in6_addr vprefix_addr6, uint8_t vprefix_len,
  27                   struct in6_addr vhost6, const char *vhostname,
  28                   const char *tftp_server_name,
  29                   const char *tftp_path, const char *bootfile,
  30                   struct in_addr vdhcp_start, struct in_addr vnameserver,
  31                   struct in6_addr vnameserver6, const char **vdnssearch,
  32                   const char *vdomainname,
  33                   const SlirpCb *callbacks,
  34                   void *opaque);
  35 void slirp_cleanup(Slirp *slirp);
  36
  37 void slirp_pollfds_fill(GArray *pollfds, uint32_t *timeout);
  38
  39 void slirp_pollfds_poll(GArray *pollfds, int select_error);
  40
  41 void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len);
  42
  43 int slirp_add_hostfwd(Slirp *slirp, int is_udp,
  44                       struct in_addr host_addr, int host_port,
  45                       struct in_addr guest_addr, int guest_port);
  46 int slirp_remove_hostfwd(Slirp *slirp, int is_udp,
  47                          struct in_addr host_addr, int host_port);
  48 int slirp_add_exec(Slirp *slirp, void *chardev, const char *cmdline,
  49                    struct in_addr *guest_addr, int guest_port);
  50
  51 char *slirp_connection_info(Slirp *slirp);
  52
  53 void slirp_socket_recv(Slirp *slirp, struct in_addr guest_addr,
  54                        int guest_port, const uint8_t *buf, int size);
  55 size_t slirp_socket_can_recv(Slirp *slirp, struct in_addr guest_addr,
  56                              int guest_port);
  57
  58 #endif