xref: /illumos-kvm-cmd/slirp/slirp.h (revision 68396ea9)
1 #ifndef __COMMON_H__
2 #define __COMMON_H__
3 
4 #include "config-host.h"
5 #include "slirp_config.h"
6 
7 #ifdef _WIN32
8 # include <inttypes.h>
9 
10 typedef char *caddr_t;
11 
12 # include <windows.h>
13 # include <winsock2.h>
14 # include <ws2tcpip.h>
15 # include <sys/timeb.h>
16 # include <iphlpapi.h>
17 
18 # define EWOULDBLOCK WSAEWOULDBLOCK
19 # define EINPROGRESS WSAEINPROGRESS
20 # define ENOTCONN WSAENOTCONN
21 # define EHOSTUNREACH WSAEHOSTUNREACH
22 # define ENETUNREACH WSAENETUNREACH
23 # define ECONNREFUSED WSAECONNREFUSED
24 #else
25 # define ioctlsocket ioctl
26 # define closesocket(s) close(s)
27 # if !defined(__HAIKU__)
28 #  define O_BINARY 0
29 # endif
30 #endif
31 
32 #include <sys/types.h>
33 #ifdef HAVE_SYS_BITYPES_H
34 # include <sys/bitypes.h>
35 #endif
36 
37 #include <sys/time.h>
38 
39 #ifdef HAVE_UNISTD_H
40 # include <unistd.h>
41 #endif
42 
43 #ifdef HAVE_STDLIB_H
44 # include <stdlib.h>
45 #endif
46 
47 #include <stdio.h>
48 #include <errno.h>
49 
50 #ifndef HAVE_MEMMOVE
51 #define memmove(x, y, z) bcopy(y, x, z)
52 #endif
53 
54 #if TIME_WITH_SYS_TIME
55 # include <sys/time.h>
56 # include <time.h>
57 #else
58 # ifdef HAVE_SYS_TIME_H
59 #  include <sys/time.h>
60 # else
61 #  include <time.h>
62 # endif
63 #endif
64 
65 #ifdef HAVE_STRING_H
66 # include <string.h>
67 #else
68 # include <strings.h>
69 #endif
70 
71 #ifndef _WIN32
72 #include <sys/uio.h>
73 #endif
74 
75 #ifndef _WIN32
76 #include <netinet/in.h>
77 #include <arpa/inet.h>
78 #endif
79 
80 /* Systems lacking strdup() definition in <string.h>. */
81 #if defined(ultrix)
82 char *strdup(const char *);
83 #endif
84 
85 /* Systems lacking malloc() definition in <stdlib.h>. */
86 #if defined(ultrix) || defined(hcx)
87 void *malloc(size_t arg);
88 void free(void *ptr);
89 #endif
90 
91 #ifndef HAVE_INET_ATON
92 int inet_aton(const char *cp, struct in_addr *ia);
93 #endif
94 
95 #include <fcntl.h>
96 #ifndef NO_UNIX_SOCKETS
97 #include <sys/un.h>
98 #endif
99 #include <signal.h>
100 #ifdef HAVE_SYS_SIGNAL_H
101 # include <sys/signal.h>
102 #endif
103 #ifndef _WIN32
104 #include <sys/socket.h>
105 #endif
106 
107 #if defined(HAVE_SYS_IOCTL_H)
108 # include <sys/ioctl.h>
109 #endif
110 
111 #ifdef HAVE_SYS_SELECT_H
112 # include <sys/select.h>
113 #endif
114 
115 #ifdef HAVE_SYS_WAIT_H
116 # include <sys/wait.h>
117 #endif
118 
119 #ifdef HAVE_SYS_FILIO_H
120 # include <sys/filio.h>
121 #endif
122 
123 #ifdef USE_PPP
124 #include <ppp/slirppp.h>
125 #endif
126 
127 #ifdef __STDC__
128 #include <stdarg.h>
129 #else
130 #include <varargs.h>
131 #endif
132 
133 #include <sys/stat.h>
134 
135 /* Avoid conflicting with the libc insque() and remque(), which
136    have different prototypes. */
137 #define insque slirp_insque
138 #define remque slirp_remque
139 
140 #ifdef HAVE_SYS_STROPTS_H
141 #include <sys/stropts.h>
142 #endif
143 
144 #include "debug.h"
145 
146 #include "qemu-queue.h"
147 
148 #include "libslirp.h"
149 #include "ip.h"
150 #include "tcp.h"
151 #include "tcp_timer.h"
152 #include "tcp_var.h"
153 #include "tcpip.h"
154 #include "udp.h"
155 #include "mbuf.h"
156 #include "sbuf.h"
157 #include "socket.h"
158 #include "if.h"
159 #include "main.h"
160 #include "misc.h"
161 #ifdef USE_PPP
162 #include "ppp/pppd.h"
163 #include "ppp/ppp.h"
164 #endif
165 
166 #include "bootp.h"
167 #include "tftp.h"
168 
169 /* osdep.c */
170 int qemu_socket(int domain, int type, int protocol);
171 
172 
173 struct Slirp {
174     QTAILQ_ENTRY(Slirp) entry;
175 
176     /* virtual network configuration */
177     struct in_addr vnetwork_addr;
178     struct in_addr vnetwork_mask;
179     struct in_addr vhost_addr;
180     struct in_addr vdhcp_startaddr;
181     struct in_addr vnameserver_addr;
182 
183     /* ARP cache for the guest IP addresses (XXX: allow many entries) */
184     uint8_t client_ethaddr[6];
185 
186     struct in_addr client_ipaddr;
187     char client_hostname[33];
188 
189     int restricted;
190     struct timeval tt;
191     struct ex_list *exec_list;
192 
193     /* mbuf states */
194     struct mbuf m_freelist, m_usedlist;
195     int mbuf_alloced;
196 
197     /* if states */
198     int if_queued;          /* number of packets queued so far */
199     struct mbuf if_fastq;   /* fast queue (for interactive data) */
200     struct mbuf if_batchq;  /* queue for non-interactive data */
201     struct mbuf *next_m;    /* pointer to next mbuf to output */
202 
203     /* ip states */
204     struct ipq ipq;         /* ip reass. queue */
205     uint16_t ip_id;         /* ip packet ctr, for ids */
206 
207     /* bootp/dhcp states */
208     BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
209     char *bootp_filename;
210 
211     /* tcp states */
212     struct socket tcb;
213     struct socket *tcp_last_so;
214     tcp_seq tcp_iss;        /* tcp initial send seq # */
215     uint32_t tcp_now;       /* for RFC 1323 timestamps */
216 
217     /* udp states */
218     struct socket udb;
219     struct socket *udp_last_so;
220 
221     /* tftp states */
222     char *tftp_prefix;
223     struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
224 
225     void *opaque;
226 };
227 
228 extern Slirp *slirp_instance;
229 
230 #ifndef NULL
231 #define NULL (void *)0
232 #endif
233 
234 #ifndef FULL_BOLT
235 void if_start(Slirp *);
236 #else
237 void if_start(struct ttys *);
238 #endif
239 
240 #ifndef HAVE_STRERROR
241  char *strerror(int error);
242 #endif
243 
244 #ifndef HAVE_INDEX
245  char *index(const char *, int);
246 #endif
247 
248 #ifndef HAVE_GETHOSTID
249  long gethostid(void);
250 #endif
251 
252 void lprint(const char *, ...) GCC_FMT_ATTR(1, 2);
253 
254 #ifndef _WIN32
255 #include <netdb.h>
256 #endif
257 
258 #define DEFAULT_BAUD 115200
259 
260 #define SO_OPTIONS DO_KEEPALIVE
261 #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
262 
263 /* cksum.c */
264 int cksum(struct mbuf *m, int len);
265 
266 /* if.c */
267 void if_init(Slirp *);
268 void if_output(struct socket *, struct mbuf *);
269 
270 /* ip_input.c */
271 void ip_init(Slirp *);
272 void ip_input(struct mbuf *);
273 void ip_slowtimo(Slirp *);
274 void ip_stripoptions(register struct mbuf *, struct mbuf *);
275 
276 /* ip_output.c */
277 int ip_output(struct socket *, struct mbuf *);
278 
279 /* tcp_input.c */
280 void tcp_input(register struct mbuf *, int, struct socket *);
281 int tcp_mss(register struct tcpcb *, u_int);
282 
283 /* tcp_output.c */
284 int tcp_output(register struct tcpcb *);
285 void tcp_setpersist(register struct tcpcb *);
286 
287 /* tcp_subr.c */
288 void tcp_init(Slirp *);
289 void tcp_template(struct tcpcb *);
290 void tcp_respond(struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int);
291 struct tcpcb * tcp_newtcpcb(struct socket *);
292 struct tcpcb * tcp_close(register struct tcpcb *);
293 void tcp_sockclosed(struct tcpcb *);
294 int tcp_fconnect(struct socket *);
295 void tcp_connect(struct socket *);
296 int tcp_attach(struct socket *);
297 uint8_t tcp_tos(struct socket *);
298 int tcp_emu(struct socket *, struct mbuf *);
299 int tcp_ctl(struct socket *);
300 struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
301 
302 #ifdef USE_PPP
303 #define MIN_MRU MINMRU
304 #define MAX_MRU MAXMRU
305 #else
306 #define MIN_MRU 128
307 #define MAX_MRU 16384
308 #endif
309 
310 #ifndef _WIN32
311 #define min(x,y) ((x) < (y) ? (x) : (y))
312 #define max(x,y) ((x) > (y) ? (x) : (y))
313 #endif
314 
315 #ifdef _WIN32
316 #undef errno
317 #define errno (WSAGetLastError())
318 #endif
319 
320 #endif
321