slirp/slirp.h

   1 #ifndef __COMMON_H__
   2 #define __COMMON_H__
   3
   4 #define CONFIG_QEMU
   5
   6 //#define DEBUG 1
   7
   8 // Uncomment the following line to enable SLIRP statistics printing in Qemu
   9 //#define LOG_ENABLED
  10
  11 #ifdef LOG_ENABLED
  12 #define STAT(expr) expr
  13 #else
  14 #define STAT(expr) do { } while(0)
  15 #endif
  16
  17 #ifndef CONFIG_QEMU
  18 #include "version.h"
  19 #endif
  20 #include "config-host.h"
  21 #include "slirp_config.h"
  22
  23 #ifdef _WIN32
  24 # include <inttypes.h>
  25
  26 typedef uint8_t u_int8_t;
  27 typedef uint16_t u_int16_t;
  28 typedef uint32_t u_int32_t;
  29 typedef uint64_t u_int64_t;
  30 typedef char *caddr_t;
  31
  32 #define WIN32_LEAN_AND_MEAN
  33 # include <windows.h>
  34 # include <winsock2.h>
  35 # include <ws2tcpip.h>
  36 # include <sys/timeb.h>
  37 # include <iphlpapi.h>
  38
  39 # define EWOULDBLOCK WSAEWOULDBLOCK
  40 # define EINPROGRESS WSAEINPROGRESS
  41 # define ENOTCONN WSAENOTCONN
  42 # define EHOSTUNREACH WSAEHOSTUNREACH
  43 # define ENETUNREACH WSAENETUNREACH
  44 # define ECONNREFUSED WSAECONNREFUSED
  45 #else
  46 # define ioctlsocket ioctl
  47 # define closesocket(s) close(s)
  48 # define O_BINARY 0
  49 #endif
  50
  51 #include <sys/types.h>
  52 #ifdef HAVE_SYS_BITYPES_H
  53 # include <sys/bitypes.h>
  54 #endif
  55
  56 #include <sys/time.h>
  57
  58 #ifdef NEED_TYPEDEFS
  59 typedef char int8_t;
  60 typedef unsigned char u_int8_t;
  61
  62 # if SIZEOF_SHORT == 2
  63     typedef short int16_t;
  64     typedef unsigned short u_int16_t;
  65 # else
  66 #  if SIZEOF_INT == 2
  67     typedef int int16_t;
  68     typedef unsigned int u_int16_t;
  69 #  else
  70     #error Cannot find a type with sizeof() == 2
  71 #  endif
  72 # endif
  73
  74 # if SIZEOF_SHORT == 4
  75    typedef short int32_t;
  76    typedef unsigned short u_int32_t;
  77 # else
  78 #  if SIZEOF_INT == 4
  79     typedef int int32_t;
  80     typedef unsigned int u_int32_t;
  81 #  else
  82     #error Cannot find a type with sizeof() == 4
  83 #  endif
  84 # endif
  85 #endif /* NEED_TYPEDEFS */
  86
  87 #ifdef HAVE_UNISTD_H
  88 # include <unistd.h>
  89 #endif
  90
  91 #ifdef HAVE_STDLIB_H
  92 # include <stdlib.h>
  93 #endif
  94
  95 #include <stdio.h>
  96 #include <errno.h>
  97
  98 #ifndef HAVE_MEMMOVE
  99 #define memmove(x, y, z) bcopy(y, x, z)
 100 #endif
 101
 102 #if TIME_WITH_SYS_TIME
 103 # include <sys/time.h>
 104 # include <time.h>
 105 #else
 106 # ifdef HAVE_SYS_TIME_H
 107 #  include <sys/time.h>
 108 # else
 109 #  include <time.h>
 110 # endif
 111 #endif
 112
 113 #ifdef HAVE_STRING_H
 114 # include <string.h>
 115 #else
 116 # include <strings.h>
 117 #endif
 118
 119 #ifndef _WIN32
 120 #include <sys/uio.h>
 121 #endif
 122
 123 #ifndef _P
 124 #ifndef NO_PROTOTYPES
 125 #  define   _P(x)   x
 126 #else
 127 #  define   _P(x)   ()
 128 #endif
 129 #endif
 130
 131 #ifndef _WIN32
 132 #include <netinet/in.h>
 133 #include <arpa/inet.h>
 134 #endif
 135
 136 #ifdef GETTIMEOFDAY_ONE_ARG
 137 #define gettimeofday(x, y) gettimeofday(x)
 138 #endif
 139
 140 /* Systems lacking strdup() definition in <string.h>. */
 141 #if defined(ultrix)
 142 char *strdup _P((const char *));
 143 #endif
 144
 145 /* Systems lacking malloc() definition in <stdlib.h>. */
 146 #if defined(ultrix) || defined(hcx)
 147 void *malloc _P((size_t arg));
 148 void free _P((void *ptr));
 149 #endif
 150
 151 #ifndef HAVE_INET_ATON
 152 int inet_aton _P((const char *cp, struct in_addr *ia));
 153 #endif
 154
 155 #include <fcntl.h>
 156 #ifndef NO_UNIX_SOCKETS
 157 #include <sys/un.h>
 158 #endif
 159 #include <signal.h>
 160 #ifdef HAVE_SYS_SIGNAL_H
 161 # include <sys/signal.h>
 162 #endif
 163 #ifndef _WIN32
 164 #include <sys/socket.h>
 165 #endif
 166
 167 #if defined(HAVE_SYS_IOCTL_H)
 168 # include <sys/ioctl.h>
 169 #endif
 170
 171 #ifdef HAVE_SYS_SELECT_H
 172 # include <sys/select.h>
 173 #endif
 174
 175 #ifdef HAVE_SYS_WAIT_H
 176 # include <sys/wait.h>
 177 #endif
 178
 179 #ifdef HAVE_SYS_FILIO_H
 180 # include <sys/filio.h>
 181 #endif
 182
 183 #ifdef USE_PPP
 184 #include <ppp/slirppp.h>
 185 #endif
 186
 187 #ifdef __STDC__
 188 #include <stdarg.h>
 189 #else
 190 #include <varargs.h>
 191 #endif
 192
 193 #include <sys/stat.h>
 194
 195 /* Avoid conflicting with the libc insque() and remque(), which
 196    have different prototypes. */
 197 #define insque slirp_insque
 198 #define remque slirp_remque
 199
 200 #ifdef HAVE_SYS_STROPTS_H
 201 #include <sys/stropts.h>
 202 #endif
 203
 204 #include "debug.h"
 205
 206 #include "ip.h"
 207 #include "tcp.h"
 208 #include "tcp_timer.h"
 209 #include "tcp_var.h"
 210 #include "tcpip.h"
 211 #include "udp.h"
 212 #include "icmp_var.h"
 213 #include "mbuf.h"
 214 #include "sbuf.h"
 215 #include "socket.h"
 216 #include "if.h"
 217 #include "main.h"
 218 #include "misc.h"
 219 #include "ctl.h"
 220 #ifdef USE_PPP
 221 #include "ppp/pppd.h"
 222 #include "ppp/ppp.h"
 223 #endif
 224
 225 #include "bootp.h"
 226 #include "tftp.h"
 227 #include "libslirp.h"
 228
 229 extern struct ttys *ttys_unit[MAX_INTERFACES];
 230
 231 #ifndef NULL
 232 #define NULL (void *)0
 233 #endif
 234
 235 #ifndef FULL_BOLT
 236 void if_start _P((void));
 237 #else
 238 void if_start _P((struct ttys *));
 239 #endif
 240
 241 #ifdef BAD_SPRINTF
 242 # define vsprintf vsprintf_len
 243 # define sprintf sprintf_len
 244  extern int vsprintf_len _P((char *, const char *, va_list));
 245  extern int sprintf_len _P((char *, const char *, ...));
 246 #endif
 247
 248 #ifdef DECLARE_SPRINTF
 249 # ifndef BAD_SPRINTF
 250  extern int vsprintf _P((char *, const char *, va_list));
 251 # endif
 252  extern int vfprintf _P((FILE *, const char *, va_list));
 253 #endif
 254
 255 #ifndef HAVE_STRERROR
 256  extern char *strerror _P((int error));
 257 #endif
 258
 259 #ifndef HAVE_INDEX
 260  char *index _P((const char *, int));
 261 #endif
 262
 263 #ifndef HAVE_GETHOSTID
 264  long gethostid _P((void));
 265 #endif
 266
 267 void lprint _P((const char *, ...));
 268
 269 #if SIZEOF_CHAR_P == 4
 270 # define insque_32 insque
 271 # define remque_32 remque
 272 #else
 273  void insque_32 _P((void *, void *));
 274  void remque_32 _P((void *));
 275 #endif
 276
 277 #ifndef _WIN32
 278 #include <netdb.h>
 279 #endif
 280
 281 #define DEFAULT_BAUD 115200
 282
 283 #define SO_OPTIONS DO_KEEPALIVE
 284 #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
 285
 286 /* cksum.c */
 287 int cksum(struct mbuf *m, int len);
 288
 289 /* if.c */
 290 void if_init _P((void));
 291 void if_output _P((struct socket *, struct mbuf *));
 292
 293 /* ip_input.c */
 294 void ip_init _P((void));
 295 void ip_input _P((struct mbuf *));
 296 void ip_slowtimo _P((void));
 297 void ip_stripoptions _P((register struct mbuf *, struct mbuf *));
 298
 299 /* ip_output.c */
 300 int ip_output _P((struct socket *, struct mbuf *));
 301
 302 /* tcp_input.c */
 303 void tcp_input _P((register struct mbuf *, int, struct socket *));
 304 int tcp_mss _P((register struct tcpcb *, u_int));
 305
 306 /* tcp_output.c */
 307 int tcp_output _P((register struct tcpcb *));
 308 void tcp_setpersist _P((register struct tcpcb *));
 309
 310 /* tcp_subr.c */
 311 void tcp_init _P((void));
 312 void tcp_template _P((struct tcpcb *));
 313 void tcp_respond _P((struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int));
 314 struct tcpcb * tcp_newtcpcb _P((struct socket *));
 315 struct tcpcb * tcp_close _P((register struct tcpcb *));
 316 void tcp_sockclosed _P((struct tcpcb *));
 317 int tcp_fconnect _P((struct socket *));
 318 void tcp_connect _P((struct socket *));
 319 int tcp_attach _P((struct socket *));
 320 u_int8_t tcp_tos _P((struct socket *));
 321 int tcp_emu _P((struct socket *, struct mbuf *));
 322 int tcp_ctl _P((struct socket *));
 323 struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
 324
 325 #ifdef USE_PPP
 326 #define MIN_MRU MINMRU
 327 #define MAX_MRU MAXMRU
 328 #else
 329 #define MIN_MRU 128
 330 #define MAX_MRU 16384
 331 #endif
 332
 333 #ifndef _WIN32
 334 #define min(x,y) ((x) < (y) ? (x) : (y))
 335 #define max(x,y) ((x) > (y) ? (x) : (y))
 336 #endif
 337
 338 #ifdef _WIN32
 339 #undef errno
 340 #define errno (WSAGetLastError())
 341 #endif
 342
 343 #endif