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18#ifndef _LINUX_IN_H
19#define _LINUX_IN_H
20
21#include <linux/types.h>
22#include <linux/socket.h>
23
24
25enum {
26 IPPROTO_IP = 0,
27 IPPROTO_ICMP = 1,
28 IPPROTO_IGMP = 2,
29 IPPROTO_IPIP = 4,
30 IPPROTO_TCP = 6,
31 IPPROTO_EGP = 8,
32 IPPROTO_PUP = 12,
33 IPPROTO_UDP = 17,
34 IPPROTO_IDP = 22,
35 IPPROTO_RSVP = 46,
36 IPPROTO_GRE = 47,
37
38 IPPROTO_IPV6 = 41,
39
40 IPPROTO_ESP = 50,
41 IPPROTO_AH = 51,
42 IPPROTO_PIM = 103,
43
44 IPPROTO_COMP = 108,
45 IPPROTO_SCTP = 132,
46
47 IPPROTO_RAW = 255,
48 IPPROTO_MAX
49};
50
51
52
53struct in_addr {
54 __u32 s_addr;
55};
56
57#define IP_TOS 1
58#define IP_TTL 2
59#define IP_HDRINCL 3
60#define IP_OPTIONS 4
61#define IP_ROUTER_ALERT 5
62#define IP_RECVOPTS 6
63#define IP_RETOPTS 7
64#define IP_PKTINFO 8
65#define IP_PKTOPTIONS 9
66#define IP_MTU_DISCOVER 10
67#define IP_RECVERR 11
68#define IP_RECVTTL 12
69#define IP_RECVTOS 13
70#define IP_MTU 14
71#define IP_FREEBIND 15
72#define IP_IPSEC_POLICY 16
73#define IP_XFRM_POLICY 17
74
75
76#define IP_RECVRETOPTS IP_RETOPTS
77
78
79#define IP_PMTUDISC_DONT 0
80#define IP_PMTUDISC_WANT 1
81#define IP_PMTUDISC_DO 2
82
83#define IP_MULTICAST_IF 32
84#define IP_MULTICAST_TTL 33
85#define IP_MULTICAST_LOOP 34
86#define IP_ADD_MEMBERSHIP 35
87#define IP_DROP_MEMBERSHIP 36
88#define IP_UNBLOCK_SOURCE 37
89#define IP_BLOCK_SOURCE 38
90#define IP_ADD_SOURCE_MEMBERSHIP 39
91#define IP_DROP_SOURCE_MEMBERSHIP 40
92#define IP_MSFILTER 41
93#define MCAST_JOIN_GROUP 42
94#define MCAST_BLOCK_SOURCE 43
95#define MCAST_UNBLOCK_SOURCE 44
96#define MCAST_LEAVE_GROUP 45
97#define MCAST_JOIN_SOURCE_GROUP 46
98#define MCAST_LEAVE_SOURCE_GROUP 47
99#define MCAST_MSFILTER 48
100
101#define MCAST_EXCLUDE 0
102#define MCAST_INCLUDE 1
103
104
105#define IP_DEFAULT_MULTICAST_TTL 1
106#define IP_DEFAULT_MULTICAST_LOOP 1
107
108
109
110struct ip_mreq
111{
112 struct in_addr imr_multiaddr;
113 struct in_addr imr_interface;
114};
115
116struct ip_mreqn
117{
118 struct in_addr imr_multiaddr;
119 struct in_addr imr_address;
120 int imr_ifindex;
121};
122
123struct ip_mreq_source {
124 __u32 imr_multiaddr;
125 __u32 imr_interface;
126 __u32 imr_sourceaddr;
127};
128
129struct ip_msfilter {
130 __u32 imsf_multiaddr;
131 __u32 imsf_interface;
132 __u32 imsf_fmode;
133 __u32 imsf_numsrc;
134 __u32 imsf_slist[1];
135};
136
137#define IP_MSFILTER_SIZE(numsrc) \
138 (sizeof(struct ip_msfilter) - sizeof(__u32) \
139 + (numsrc) * sizeof(__u32))
140
141struct group_req
142{
143 __u32 gr_interface;
144 struct __kernel_sockaddr_storage gr_group;
145};
146
147struct group_source_req
148{
149 __u32 gsr_interface;
150 struct __kernel_sockaddr_storage gsr_group;
151 struct __kernel_sockaddr_storage gsr_source;
152};
153
154struct group_filter
155{
156 __u32 gf_interface;
157 struct __kernel_sockaddr_storage gf_group;
158 __u32 gf_fmode;
159 __u32 gf_numsrc;
160 struct __kernel_sockaddr_storage gf_slist[1];
161};
162
163#define GROUP_FILTER_SIZE(numsrc) \
164 (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
165 + (numsrc) * sizeof(struct __kernel_sockaddr_storage))
166
167struct in_pktinfo
168{
169 int ipi_ifindex;
170 struct in_addr ipi_spec_dst;
171 struct in_addr ipi_addr;
172};
173
174
175#define __SOCK_SIZE__ 16
176struct sockaddr_in {
177 sa_family_t sin_family;
178 unsigned short int sin_port;
179 struct in_addr sin_addr;
180
181
182 unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) -
183 sizeof(unsigned short int) - sizeof(struct in_addr)];
184};
185#define sin_zero __pad
186
187
188
189
190
191
192
193#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0)
194#define IN_CLASSA_NET 0xff000000
195#define IN_CLASSA_NSHIFT 24
196#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
197#define IN_CLASSA_MAX 128
198
199#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000)
200#define IN_CLASSB_NET 0xffff0000
201#define IN_CLASSB_NSHIFT 16
202#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
203#define IN_CLASSB_MAX 65536
204
205#define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000)
206#define IN_CLASSC_NET 0xffffff00
207#define IN_CLASSC_NSHIFT 8
208#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
209
210#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000)
211#define IN_MULTICAST(a) IN_CLASSD(a)
212#define IN_MULTICAST_NET 0xF0000000
213
214#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)
215#define IN_BADCLASS(a) IN_EXPERIMENTAL((a))
216
217
218#define INADDR_ANY ((unsigned long int) 0x00000000)
219
220
221#define INADDR_BROADCAST ((unsigned long int) 0xffffffff)
222
223
224#define INADDR_NONE ((unsigned long int) 0xffffffff)
225
226
227#define IN_LOOPBACKNET 127
228
229
230#define INADDR_LOOPBACK 0x7f000001
231#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000)
232
233
234#define INADDR_UNSPEC_GROUP 0xe0000000U
235#define INADDR_ALLHOSTS_GROUP 0xe0000001U
236#define INADDR_ALLRTRS_GROUP 0xe0000002U
237#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU
238
239
240
241#include <asm/byteorder.h>
242
243#ifdef __KERNEL__
244
245#define LOOPBACK(x) (((x) & htonl(0xff000000)) == htonl(0x7f000000))
246#define MULTICAST(x) (((x) & htonl(0xf0000000)) == htonl(0xe0000000))
247#define BADCLASS(x) (((x) & htonl(0xf0000000)) == htonl(0xf0000000))
248#define ZERONET(x) (((x) & htonl(0xff000000)) == htonl(0x00000000))
249#define LOCAL_MCAST(x) (((x) & htonl(0xFFFFFF00)) == htonl(0xE0000000))
250
251#endif
252
253#endif
254
