i.MX: Fix FEC code for MDIO address selection
[qemu.git] / slirp / slirp.h
1 #ifndef __COMMON_H__
2 #define __COMMON_H__
3
4 #include "qemu/host-utils.h"
5 #include "slirp_config.h"
6
7 #ifdef _WIN32
8
9 typedef char *caddr_t;
10
11 # include <windows.h>
12 # include <winsock2.h>
13 # include <ws2tcpip.h>
14 # include <sys/timeb.h>
15 # include <iphlpapi.h>
16
17 #else
18 # if !defined(__HAIKU__)
19 # define O_BINARY 0
20 # endif
21 #endif
22
23 #ifdef HAVE_SYS_BITYPES_H
24 # include <sys/bitypes.h>
25 #endif
26
27 #ifndef _WIN32
28 #include <sys/uio.h>
29 #endif
30
31 #ifndef _WIN32
32 #include <netinet/in.h>
33 #include <arpa/inet.h>
34 #endif
35
36 #ifndef NO_UNIX_SOCKETS
37 #include <sys/un.h>
38 #endif
39 #ifdef HAVE_SYS_SIGNAL_H
40 # include <sys/signal.h>
41 #endif
42 #ifndef _WIN32
43 #include <sys/socket.h>
44 #endif
45
46 #if defined(HAVE_SYS_IOCTL_H)
47 # include <sys/ioctl.h>
48 #endif
49
50 #ifdef HAVE_SYS_SELECT_H
51 # include <sys/select.h>
52 #endif
53
54 #ifdef HAVE_SYS_WAIT_H
55 # include <sys/wait.h>
56 #endif
57
58 #ifdef HAVE_SYS_FILIO_H
59 # include <sys/filio.h>
60 #endif
61
62 /* Avoid conflicting with the libc insque() and remque(), which
63 have different prototypes. */
64 #define insque slirp_insque
65 #define remque slirp_remque
66 #define quehead slirp_quehead
67
68 #ifdef HAVE_SYS_STROPTS_H
69 #include <sys/stropts.h>
70 #endif
71
72 #include <glib.h>
73
74 #include "debug.h"
75
76 #include "qemu/queue.h"
77 #include "qemu/sockets.h"
78 #include "net/eth.h"
79
80 #include "libslirp.h"
81 #include "ip.h"
82 #include "ip6.h"
83 #include "tcp.h"
84 #include "tcp_timer.h"
85 #include "tcp_var.h"
86 #include "tcpip.h"
87 #include "udp.h"
88 #include "ip_icmp.h"
89 #include "ip6_icmp.h"
90 #include "mbuf.h"
91 #include "sbuf.h"
92 #include "socket.h"
93 #include "if.h"
94 #include "main.h"
95 #include "misc.h"
96
97 #include "bootp.h"
98 #include "tftp.h"
99
100 #define ARPOP_REQUEST 1 /* ARP request */
101 #define ARPOP_REPLY 2 /* ARP reply */
102
103 struct ethhdr {
104 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
105 unsigned char h_source[ETH_ALEN]; /* source ether addr */
106 unsigned short h_proto; /* packet type ID field */
107 };
108
109 struct arphdr {
110 unsigned short ar_hrd; /* format of hardware address */
111 unsigned short ar_pro; /* format of protocol address */
112 unsigned char ar_hln; /* length of hardware address */
113 unsigned char ar_pln; /* length of protocol address */
114 unsigned short ar_op; /* ARP opcode (command) */
115
116 /*
117 * Ethernet looks like this : This bit is variable sized however...
118 */
119 unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
120 uint32_t ar_sip; /* sender IP address */
121 unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
122 uint32_t ar_tip; /* target IP address */
123 } QEMU_PACKED;
124
125 #define ARP_TABLE_SIZE 16
126
127 typedef struct ArpTable {
128 struct arphdr table[ARP_TABLE_SIZE];
129 int next_victim;
130 } ArpTable;
131
132 void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]);
133
134 bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
135 uint8_t out_ethaddr[ETH_ALEN]);
136
137 struct ndpentry {
138 unsigned char eth_addr[ETH_ALEN]; /* sender hardware address */
139 struct in6_addr ip_addr; /* sender IP address */
140 } QEMU_PACKED;
141
142 #define NDP_TABLE_SIZE 16
143
144 typedef struct NdpTable {
145 struct ndpentry table[NDP_TABLE_SIZE];
146 int next_victim;
147 } NdpTable;
148
149 void ndp_table_add(Slirp *slirp, struct in6_addr ip_addr,
150 uint8_t ethaddr[ETH_ALEN]);
151 bool ndp_table_search(Slirp *slirp, struct in6_addr ip_addr,
152 uint8_t out_ethaddr[ETH_ALEN]);
153
154 struct Slirp {
155 QTAILQ_ENTRY(Slirp) entry;
156 u_int time_fasttimo;
157 u_int last_slowtimo;
158 bool do_slowtimo;
159
160 bool in_enabled, in6_enabled;
161
162 /* virtual network configuration */
163 struct in_addr vnetwork_addr;
164 struct in_addr vnetwork_mask;
165 struct in_addr vhost_addr;
166 struct in6_addr vprefix_addr6;
167 uint8_t vprefix_len;
168 struct in6_addr vhost_addr6;
169 struct in_addr vdhcp_startaddr;
170 struct in_addr vnameserver_addr;
171 struct in6_addr vnameserver_addr6;
172
173 struct in_addr client_ipaddr;
174 char client_hostname[33];
175
176 int restricted;
177 struct ex_list *exec_list;
178
179 /* mbuf states */
180 struct quehead m_freelist;
181 struct quehead m_usedlist;
182 int mbuf_alloced;
183
184 /* if states */
185 struct quehead if_fastq; /* fast queue (for interactive data) */
186 struct quehead if_batchq; /* queue for non-interactive data */
187 struct mbuf *next_m; /* pointer to next mbuf to output */
188 bool if_start_busy; /* avoid if_start recursion */
189
190 /* ip states */
191 struct ipq ipq; /* ip reass. queue */
192 uint16_t ip_id; /* ip packet ctr, for ids */
193
194 /* bootp/dhcp states */
195 BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
196 char *bootp_filename;
197 size_t vdnssearch_len;
198 uint8_t *vdnssearch;
199
200 /* tcp states */
201 struct socket tcb;
202 struct socket *tcp_last_so;
203 tcp_seq tcp_iss; /* tcp initial send seq # */
204 uint32_t tcp_now; /* for RFC 1323 timestamps */
205
206 /* udp states */
207 struct socket udb;
208 struct socket *udp_last_so;
209
210 /* icmp states */
211 struct socket icmp;
212 struct socket *icmp_last_so;
213
214 /* tftp states */
215 char *tftp_prefix;
216 struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
217
218 ArpTable arp_table;
219 NdpTable ndp_table;
220
221 GRand *grand;
222 QEMUTimer *ra_timer;
223
224 void *opaque;
225 };
226
227 extern Slirp *slirp_instance;
228
229 #ifndef NULL
230 #define NULL (void *)0
231 #endif
232
233 void if_start(Slirp *);
234
235 #ifndef _WIN32
236 #include <netdb.h>
237 #endif
238
239 #define SO_OPTIONS DO_KEEPALIVE
240 #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
241
242 /* dnssearch.c */
243 int translate_dnssearch(Slirp *s, const char ** names);
244
245 /* cksum.c */
246 int cksum(struct mbuf *m, int len);
247 int ip6_cksum(struct mbuf *m);
248
249 /* if.c */
250 void if_init(Slirp *);
251 void if_output(struct socket *, struct mbuf *);
252
253 /* ip_input.c */
254 void ip_init(Slirp *);
255 void ip_cleanup(Slirp *);
256 void ip_input(struct mbuf *);
257 void ip_slowtimo(Slirp *);
258 void ip_stripoptions(register struct mbuf *, struct mbuf *);
259
260 /* ip_output.c */
261 int ip_output(struct socket *, struct mbuf *);
262
263 /* ip6_input.c */
264 void ip6_init(Slirp *);
265 void ip6_cleanup(Slirp *);
266 void ip6_input(struct mbuf *);
267
268 /* ip6_output */
269 int ip6_output(struct socket *, struct mbuf *, int fast);
270
271 /* tcp_input.c */
272 void tcp_input(register struct mbuf *, int, struct socket *, unsigned short af);
273 int tcp_mss(register struct tcpcb *, u_int);
274
275 /* tcp_output.c */
276 int tcp_output(register struct tcpcb *);
277 void tcp_setpersist(register struct tcpcb *);
278
279 /* tcp_subr.c */
280 void tcp_init(Slirp *);
281 void tcp_cleanup(Slirp *);
282 void tcp_template(struct tcpcb *);
283 void tcp_respond(struct tcpcb *, register struct tcpiphdr *,
284 register struct mbuf *, tcp_seq, tcp_seq, int, unsigned short);
285 struct tcpcb * tcp_newtcpcb(struct socket *);
286 struct tcpcb * tcp_close(register struct tcpcb *);
287 void tcp_sockclosed(struct tcpcb *);
288 int tcp_fconnect(struct socket *, unsigned short af);
289 void tcp_connect(struct socket *);
290 int tcp_attach(struct socket *);
291 uint8_t tcp_tos(struct socket *);
292 int tcp_emu(struct socket *, struct mbuf *);
293 int tcp_ctl(struct socket *);
294 struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
295
296 #ifndef _WIN32
297 #define min(x,y) ((x) < (y) ? (x) : (y))
298 #define max(x,y) ((x) > (y) ? (x) : (y))
299 #endif
300
301 #endif