1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _XT_SCTP_H_
13#define _XT_SCTP_H_
14
15#define XT_SCTP_SRC_PORTS 0x01
16#define XT_SCTP_DEST_PORTS 0x02
17#define XT_SCTP_CHUNK_TYPES 0x04
18
19#define XT_SCTP_VALID_FLAGS 0x07
20
21#define ELEMCOUNT(x) (sizeof(x)/sizeof(x[0]))
22
23struct xt_sctp_flag_info {
24 u_int8_t chunktype;
25 u_int8_t flag;
26 u_int8_t flag_mask;
27};
28
29#define XT_NUM_SCTP_FLAGS 4
30
31struct xt_sctp_info {
32 u_int16_t dpts[2];
33 u_int16_t spts[2];
34
35 u_int32_t chunkmap[256 / sizeof (u_int32_t)];
36
37#define SCTP_CHUNK_MATCH_ANY 0x01
38#define SCTP_CHUNK_MATCH_ALL 0x02
39#define SCTP_CHUNK_MATCH_ONLY 0x04
40
41 u_int32_t chunk_match_type;
42 struct xt_sctp_flag_info flag_info[XT_NUM_SCTP_FLAGS];
43 int flag_count;
44
45 u_int32_t flags;
46 u_int32_t invflags;
47};
48
49#define bytes(type) (sizeof(type) * 8)
50
51#define SCTP_CHUNKMAP_SET(chunkmap, type)   do {   chunkmap[type / bytes(u_int32_t)] |=   1 << (type % bytes(u_int32_t));   } while (0)
52
53#define SCTP_CHUNKMAP_CLEAR(chunkmap, type)   do {   chunkmap[type / bytes(u_int32_t)] &=   ~(1 << (type % bytes(u_int32_t)));   } while (0)
54
55#define SCTP_CHUNKMAP_IS_SET(chunkmap, type)  ({   (chunkmap[type / bytes (u_int32_t)] &   (1 << (type % bytes (u_int32_t)))) ? 1: 0;  })
56
57#define SCTP_CHUNKMAP_RESET(chunkmap)   do {   int i;   for (i = 0; i < ELEMCOUNT(chunkmap); i++)   chunkmap[i] = 0;   } while (0)
58
59#define SCTP_CHUNKMAP_SET_ALL(chunkmap)   do {   int i;   for (i = 0; i < ELEMCOUNT(chunkmap); i++)   chunkmap[i] = ~0;   } while (0)
60
61#define SCTP_CHUNKMAP_COPY(destmap, srcmap)   do {   int i;   for (i = 0; i < ELEMCOUNT(chunkmap); i++)   destmap[i] = srcmap[i];   } while (0)
62
63#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap)  ({   int i;   int flag = 1;   for (i = 0; i < ELEMCOUNT(chunkmap); i++) {   if (chunkmap[i]) {   flag = 0;   break;   }   }   flag;  })
64
65#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap)  ({   int i;   int flag = 1;   for (i = 0; i < ELEMCOUNT(chunkmap); i++) {   if (chunkmap[i] != ~0) {   flag = 0;   break;   }   }   flag;  })
66
67#endif
68
69