pcie_aer: support configurable AER capa version
[qemu.git] / slirp / slirp.h
1 #ifndef SLIRP_H
2 #define SLIRP_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
73 #include "debug.h"
74
75 #include "qemu/queue.h"
76 #include "qemu/sockets.h"
77 #include "net/eth.h"
78
79 #include "libslirp.h"
80 #include "ip.h"
81 #include "ip6.h"
82 #include "tcp.h"
83 #include "tcp_timer.h"
84 #include "tcp_var.h"
85 #include "tcpip.h"
86 #include "udp.h"
87 #include "ip_icmp.h"
88 #include "ip6_icmp.h"
89 #include "mbuf.h"
90 #include "sbuf.h"
91 #include "socket.h"
92 #include "if.h"
93 #include "main.h"
94 #include "misc.h"
95
96 #include "bootp.h"
97 #include "tftp.h"
98
99 #define ARPOP_REQUEST 1 /* ARP request */
100 #define ARPOP_REPLY 2 /* ARP reply */
101
102 struct ethhdr {
103 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
104 unsigned char h_source[ETH_ALEN]; /* source ether addr */
105 unsigned short h_proto; /* packet type ID field */
106 };
107
108 struct slirp_arphdr {
109 unsigned short ar_hrd; /* format of hardware address */
110 unsigned short ar_pro; /* format of protocol address */
111 unsigned char ar_hln; /* length of hardware address */
112 unsigned char ar_pln; /* length of protocol address */
113 unsigned short ar_op; /* ARP opcode (command) */
114
115 /*
116 * Ethernet looks like this : This bit is variable sized however...
117 */
118 unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
119 uint32_t ar_sip; /* sender IP address */
120 unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
121 uint32_t ar_tip; /* target IP address */
122 } QEMU_PACKED;
123
124 #define ARP_TABLE_SIZE 16
125
126 typedef struct ArpTable {
127 struct slirp_arphdr table[ARP_TABLE_SIZE];
128 int next_victim;
129 } ArpTable;
130
131 void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]);
132
133 bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
134 uint8_t out_ethaddr[ETH_ALEN]);
135
136 struct ndpentry {
137 unsigned char eth_addr[ETH_ALEN]; /* sender hardware address */
138 struct in6_addr ip_addr; /* sender IP address */
139 } QEMU_PACKED;
140
141 #define NDP_TABLE_SIZE 16
142
143 typedef struct NdpTable {
144 struct ndpentry table[NDP_TABLE_SIZE];
145 int next_victim;
146 } NdpTable;
147
148 void ndp_table_add(Slirp *slirp, struct in6_addr ip_addr,
149 uint8_t ethaddr[ETH_ALEN]);
150 bool ndp_table_search(Slirp *slirp, struct in6_addr ip_addr,
151 uint8_t out_ethaddr[ETH_ALEN]);
152
153 struct Slirp {
154 QTAILQ_ENTRY(Slirp) entry;
155 u_int time_fasttimo;
156 u_int last_slowtimo;
157 bool do_slowtimo;
158
159 bool in_enabled, in6_enabled;
160
161 /* virtual network configuration */
162 struct in_addr vnetwork_addr;
163 struct in_addr vnetwork_mask;
164 struct in_addr vhost_addr;
165 struct in6_addr vprefix_addr6;
166 uint8_t vprefix_len;
167 struct in6_addr vhost_addr6;
168 struct in_addr vdhcp_startaddr;
169 struct in_addr vnameserver_addr;
170 struct in6_addr vnameserver_addr6;
171
172 struct in_addr client_ipaddr;
173 char client_hostname[33];
174
175 int restricted;
176 struct ex_list *exec_list;
177
178 /* mbuf states */
179 struct quehead m_freelist;
180 struct quehead m_usedlist;
181 int mbuf_alloced;
182
183 /* if states */
184 struct quehead if_fastq; /* fast queue (for interactive data) */
185 struct quehead if_batchq; /* queue for non-interactive data */
186 struct mbuf *next_m; /* pointer to next mbuf to output */
187 bool if_start_busy; /* avoid if_start recursion */
188
189 /* ip states */
190 struct ipq ipq; /* ip reass. queue */
191 uint16_t ip_id; /* ip packet ctr, for ids */
192
193 /* bootp/dhcp states */
194 BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
195 char *bootp_filename;
196 size_t vdnssearch_len;
197 uint8_t *vdnssearch;
198
199 /* tcp states */
200 struct socket tcb;
201 struct socket *tcp_last_so;
202 tcp_seq tcp_iss; /* tcp initial send seq # */
203 uint32_t tcp_now; /* for RFC 1323 timestamps */
204
205 /* udp states */
206 struct socket udb;
207 struct socket *udp_last_so;
208
209 /* icmp states */
210 struct socket icmp;
211 struct socket *icmp_last_so;
212
213 /* tftp states */
214 char *tftp_prefix;
215 struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
216
217 ArpTable arp_table;
218 NdpTable ndp_table;
219
220 GRand *grand;
221 QEMUTimer *ra_timer;
222
223 void *opaque;
224 };
225
226 extern Slirp *slirp_instance;
227
228 #ifndef NULL
229 #define NULL (void *)0
230 #endif
231
232 void if_start(Slirp *);
233
234 #ifndef _WIN32
235 #include <netdb.h>
236 #endif
237
238 #define SO_OPTIONS DO_KEEPALIVE
239 #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
240
241 /* dnssearch.c */
242 int translate_dnssearch(Slirp *s, const char ** names);
243
244 /* cksum.c */
245 int cksum(struct mbuf *m, int len);
246 int ip6_cksum(struct mbuf *m);
247
248 /* if.c */
249 void if_init(Slirp *);
250 void if_output(struct socket *, struct mbuf *);
251
252 /* ip_input.c */
253 void ip_init(Slirp *);
254 void ip_cleanup(Slirp *);
255 void ip_input(struct mbuf *);
256 void ip_slowtimo(Slirp *);
257 void ip_stripoptions(register struct mbuf *, struct mbuf *);
258
259 /* ip_output.c */
260 int ip_output(struct socket *, struct mbuf *);
261
262 /* ip6_input.c */
263 void ip6_init(Slirp *);
264 void ip6_cleanup(Slirp *);
265 void ip6_input(struct mbuf *);
266
267 /* ip6_output */
268 int ip6_output(struct socket *, struct mbuf *, int fast);
269
270 /* tcp_input.c */
271 void tcp_input(register struct mbuf *, int, struct socket *, unsigned short af);
272 int tcp_mss(register struct tcpcb *, u_int);
273
274 /* tcp_output.c */
275 int tcp_output(register struct tcpcb *);
276 void tcp_setpersist(register struct tcpcb *);
277
278 /* tcp_subr.c */
279 void tcp_init(Slirp *);
280 void tcp_cleanup(Slirp *);
281 void tcp_template(struct tcpcb *);
282 void tcp_respond(struct tcpcb *, register struct tcpiphdr *,
283 register struct mbuf *, tcp_seq, tcp_seq, int, unsigned short);
284 struct tcpcb * tcp_newtcpcb(struct socket *);
285 struct tcpcb * tcp_close(register struct tcpcb *);
286 void tcp_sockclosed(struct tcpcb *);
287 int tcp_fconnect(struct socket *, unsigned short af);
288 void tcp_connect(struct socket *);
289 int tcp_attach(struct socket *);
290 uint8_t tcp_tos(struct socket *);
291 int tcp_emu(struct socket *, struct mbuf *);
292 int tcp_ctl(struct socket *);
293 struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
294
295 #endif