ip_compat.h revision 53024 
1/*
2 * (C)opyright 1995 by Darren Reed.
3 *
4 * This code may be freely distributed as long as it retains this notice
5 * and is not changed in any way.  The author accepts no responsibility
6 * for the use of this software.  I hate legaleese, don't you ?
7 *
8 * @(#)ip_compat.h	1.2 12/7/95
9 */
10
11/*
12 * These #ifdef's are here mainly for linux, but who knows, they may
13 * not be in other places or maybe one day linux will grow up and some
14 * of these will turn up there too.
15 */
16#ifndef	ICMP_UNREACH
17# define	ICMP_UNREACH	ICMP_DEST_UNREACH
18#endif
19#ifndef	ICMP_SOURCEQUENCH
20# define	ICMP_SOURCEQUENCH	ICMP_SOURCE_QUENCH
21#endif
22#ifndef	ICMP_TIMXCEED
23# define	ICMP_TIMXCEED	ICMP_TIME_EXCEEDED
24#endif
25#ifndef	ICMP_PARAMPROB
26# define	ICMP_PARAMPROB	ICMP_PARAMETERPROB
27#endif
28#ifndef	IPVERSION
29# define	IPVERSION	4
30#endif
31#ifndef	IPOPT_MINOFF
32# define	IPOPT_MINOFF	4
33#endif
34#ifndef	IPOPT_COPIED
35# define	IPOPT_COPIED(x)	((x)&0x80)
36#endif
37#ifndef	IPOPT_EOL
38# define	IPOPT_EOL	0
39#endif
40#ifndef	IPOPT_NOP
41# define	IPOPT_NOP	1
42#endif
43#ifndef	IP_MF
44# define	IP_MF	((u_short)0x2000)
45#endif
46#ifndef	ETHERTYPE_IP
47# define	ETHERTYPE_IP	((u_short)0x0800)
48#endif
49#ifndef	TH_FIN
50# define	TH_FIN	0x01
51#endif
52#ifndef	TH_SYN
53# define	TH_SYN	0x02
54#endif
55#ifndef	TH_RST
56# define	TH_RST	0x04
57#endif
58#ifndef	TH_PUSH
59# define	TH_PUSH	0x08
60#endif
61#ifndef	TH_ACK
62# define	TH_ACK	0x10
63#endif
64#ifndef	TH_URG
65# define	TH_URG	0x20
66#endif
67#ifndef	IPOPT_EOL
68# define	IPOPT_EOL	0
69#endif
70#ifndef	IPOPT_NOP
71# define	IPOPT_NOP	1
72#endif
73#ifndef	IPOPT_RR
74# define	IPOPT_RR	7
75#endif
76#ifndef	IPOPT_TS
77# define	IPOPT_TS	68
78#endif
79#ifndef	IPOPT_SECURITY
80# define	IPOPT_SECURITY	130
81#endif
82#ifndef	IPOPT_LSRR
83# define	IPOPT_LSRR	131
84#endif
85#ifndef	IPOPT_SATID
86# define	IPOPT_SATID	136
87#endif
88#ifndef	IPOPT_SSRR
89# define	IPOPT_SSRR	137
90#endif
91#ifndef	IPOPT_SECUR_UNCLASS
92# define	IPOPT_SECUR_UNCLASS	((u_short)0x0000)
93#endif
94#ifndef	IPOPT_SECUR_CONFID
95# define	IPOPT_SECUR_CONFID	((u_short)0xf135)
96#endif
97#ifndef	IPOPT_SECUR_EFTO
98# define	IPOPT_SECUR_EFTO	((u_short)0x789a)
99#endif
100#ifndef	IPOPT_SECUR_MMMM
101# define	IPOPT_SECUR_MMMM	((u_short)0xbc4d)
102#endif
103#ifndef	IPOPT_SECUR_RESTR
104# define	IPOPT_SECUR_RESTR	((u_short)0xaf13)
105#endif
106#ifndef	IPOPT_SECUR_SECRET
107# define	IPOPT_SECUR_SECRET	((u_short)0xd788)
108#endif
109#ifndef IPOPT_SECUR_TOPSECRET
110# define	IPOPT_SECUR_TOPSECRET	((u_short)0x6bc5)
111#endif
112
113#ifdef linux
114# if LINUX < 0200
115#  define	icmp	icmphdr
116#  define	icmp_type	type
117#  define	icmp_code	code
118# endif
119
120/*
121 * From /usr/include/netinet/ip_var.h
122 * !%@#!$@# linux...
123 */
124struct ipovly {
125	caddr_t	ih_next, ih_prev;	/* for protocol sequence q's */
126	u_char	ih_x1;			/* (unused) */
127	u_char	ih_pr;			/* protocol */
128	short	ih_len;			/* protocol length */
129	struct	in_addr ih_src;		/* source internet address */
130	struct	in_addr ih_dst;		/* destination internet address */
131};
132
133typedef	struct	{
134	__u16	th_sport;
135	__u16	th_dport;
136	__u32	th_seq;
137	__u32	th_ack;
138# if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
139    defined(vax)
140	__u8	th_res:4;
141	__u8	th_off:4;
142#else
143	__u8	th_off:4;
144	__u8	th_res:4;
145#endif
146	__u8	th_flags;
147	__u16	th_win;
148	__u16	th_sum;
149	__u16	th_urp;
150} tcphdr_t;
151
152typedef	struct	{
153	__u16	uh_sport;
154	__u16	uh_dport;
155	__s16	uh_ulen;
156	__u16	uh_sum;
157} udphdr_t;
158
159typedef	struct	{
160# if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
161    defined(vax)
162	__u8	ip_hl:4;
163	__u8	ip_v:4;
164# else
165	__u8	ip_hl:4;
166	__u8	ip_v:4;
167# endif
168	__u8	ip_tos;
169	__u16	ip_len;
170	__u16	ip_id;
171	__u16	ip_off;
172	__u8	ip_ttl;
173	__u8	ip_p;
174	__u16	ip_sum;
175	struct	in_addr	ip_src;
176	struct	in_addr	ip_dst;
177} ip_t;
178
179typedef	struct	{
180	__u8	ether_dhost[6];
181	__u8	ether_shost[6];
182	__u16	ether_type;
183} ether_header_t;
184
185typedef struct icmp {
186	u_char	icmp_type;		/* type of message, see below */
187	u_char	icmp_code;		/* type sub code */
188	u_short	icmp_cksum;		/* ones complement cksum of struct */
189	union {
190		u_char ih_pptr;			/* ICMP_PARAMPROB */
191		struct in_addr ih_gwaddr;	/* ICMP_REDIRECT */
192		struct ih_idseq {
193			n_short	icd_id;
194			n_short	icd_seq;
195		} ih_idseq;
196		int ih_void;
197	} icmp_hun;
198#define	icmp_pptr	icmp_hun.ih_pptr
199#define	icmp_gwaddr	icmp_hun.ih_gwaddr
200#define	icmp_id		icmp_hun.ih_idseq.icd_id
201#define	icmp_seq	icmp_hun.ih_idseq.icd_seq
202#define	icmp_void	icmp_hun.ih_void
203	union {
204		struct id_ts {
205			n_time its_otime;
206			n_time its_rtime;
207			n_time its_ttime;
208		} id_ts;
209		struct id_ip  {
210			ip_t idi_ip;
211			/* options and then 64 bits of data */
212		} id_ip;
213		u_long	id_mask;
214		char	id_data[1];
215	} icmp_dun;
216#define	icmp_otime	icmp_dun.id_ts.its_otime
217#define	icmp_rtime	icmp_dun.id_ts.its_rtime
218#define	icmp_ttime	icmp_dun.id_ts.its_ttime
219#define	icmp_ip		icmp_dun.id_ip.idi_ip
220#define	icmp_mask	icmp_dun.id_mask
221#define	icmp_data	icmp_dun.id_data
222} icmphdr_t;
223
224# define	bcopy(a,b,c)	memmove(b,a,c)
225# define	bcmp(a,b,c)	memcmp(a,b,c)
226
227# define	ifnet	device
228
229#else
230
231typedef	struct	udphdr	udphdr_t;
232typedef	struct	tcphdr	tcphdr_t;
233typedef	struct	ip	ip_t;
234typedef	struct	ether_header	ether_header_t;
235
236#endif
237
238#if defined(__SVR4) || defined(__svr4__)
239# define	bcopy(a,b,c)	memmove(b,a,c)
240# define	bcmp(a,b,c)	memcmp(a,b,c)
241# define	bzero(a,b)	memset(a,0,b)
242#endif
243