qemu/slirp/libslirp.h

#ifndef _LIBSLIRP_H
#define _LIBSLIRP_H

#include <qemu-common.h>

#ifdef CONFIG_SLIRP

struct Slirp;
typedef struct Slirp Slirp;

int get_dns_addr(struct in_addr *pdns_addr);

Slirp *slirp_init(int restricted, struct in_addr vnetwork,
                  struct in_addr vnetmask, struct in_addr vhost,
                  const char *vhostname, const char *tftp_path,
                  const char *bootfile, struct in_addr vdhcp_start,
                  struct in_addr vnameserver, void *opaque);
void slirp_cleanup(Slirp *slirp);

void slirp_select_fill(int *pnfds,
                       fd_set *readfds, fd_set *writefds, fd_set *xfds);

void slirp_select_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds,
                       int select_error);

void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len);

/* you must provide the following functions: */
int slirp_can_output(void *opaque);
void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len);

int slirp_add_hostfwd(Slirp *slirp, int is_udp,
                      struct in_addr host_addr, int host_port,
                      struct in_addr guest_addr, int guest_port);
int slirp_remove_hostfwd(Slirp *slirp, int is_udp,
                         struct in_addr host_addr, int host_port);
int slirp_add_exec(Slirp *slirp, int do_pty, const void *args,
                   struct in_addr *guest_addr, int guest_port);

void slirp_connection_info(Slirp *slirp, Monitor *mon);

void slirp_socket_recv(Slirp *slirp, struct in_addr guest_addr,
                       int guest_port, const uint8_t *buf, int size);
size_t slirp_socket_can_recv(Slirp *slirp, struct in_addr guest_addr,
                             int guest_port);

#else /* !CONFIG_SLIRP */

static inline void slirp_select_fill(int *pnfds, fd_set *readfds,
                                     fd_set *writefds, fd_set *xfds) { }

static inline void slirp_select_poll(fd_set *readfds, fd_set *writefds,
                                     fd_set *xfds, int select_error) { }
#endif /* !CONFIG_SLIRP */

#endif