netfilter: ipset: fix compiler warnings "'hash_ip4_data_next' declared inline after...
[linux-2.6.git] / include / linux / netfilter / xt_sctp.h
1 #ifndef _XT_SCTP_H_
2 #define _XT_SCTP_H_
3
4 #include <linux/types.h>
5
6 #define XT_SCTP_SRC_PORTS               0x01
7 #define XT_SCTP_DEST_PORTS              0x02
8 #define XT_SCTP_CHUNK_TYPES             0x04
9
10 #define XT_SCTP_VALID_FLAGS             0x07
11
12 struct xt_sctp_flag_info {
13         __u8 chunktype;
14         __u8 flag;
15         __u8 flag_mask;
16 };
17
18 #define XT_NUM_SCTP_FLAGS       4
19
20 struct xt_sctp_info {
21         __u16 dpts[2];  /* Min, Max */
22         __u16 spts[2];  /* Min, Max */
23
24         __u32 chunkmap[256 / sizeof (__u32)];  /* Bit mask of chunks to be matched according to RFC 2960 */
25
26 #define SCTP_CHUNK_MATCH_ANY   0x01  /* Match if any of the chunk types are present */
27 #define SCTP_CHUNK_MATCH_ALL   0x02  /* Match if all of the chunk types are present */
28 #define SCTP_CHUNK_MATCH_ONLY  0x04  /* Match if these are the only chunk types present */
29
30         __u32 chunk_match_type;
31         struct xt_sctp_flag_info flag_info[XT_NUM_SCTP_FLAGS];
32         int flag_count;
33
34         __u32 flags;
35         __u32 invflags;
36 };
37
38 #define bytes(type) (sizeof(type) * 8)
39
40 #define SCTP_CHUNKMAP_SET(chunkmap, type)               \
41         do {                                            \
42                 (chunkmap)[type / bytes(__u32)] |=      \
43                         1 << (type % bytes(__u32));     \
44         } while (0)
45
46 #define SCTP_CHUNKMAP_CLEAR(chunkmap, type)                     \
47         do {                                                    \
48                 (chunkmap)[type / bytes(__u32)] &=              \
49                         ~(1 << (type % bytes(__u32)));  \
50         } while (0)
51
52 #define SCTP_CHUNKMAP_IS_SET(chunkmap, type)                    \
53 ({                                                              \
54         ((chunkmap)[type / bytes (__u32)] &             \
55                 (1 << (type % bytes (__u32)))) ? 1: 0;  \
56 })
57
58 #define SCTP_CHUNKMAP_RESET(chunkmap) \
59         memset((chunkmap), 0, sizeof(chunkmap))
60
61 #define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
62         memset((chunkmap), ~0U, sizeof(chunkmap))
63
64 #define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
65         memcpy((destmap), (srcmap), sizeof(srcmap))
66
67 #define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
68         __sctp_chunkmap_is_clear((chunkmap), ARRAY_SIZE(chunkmap))
69 static inline bool
70 __sctp_chunkmap_is_clear(const __u32 *chunkmap, unsigned int n)
71 {
72         unsigned int i;
73         for (i = 0; i < n; ++i)
74                 if (chunkmap[i])
75                         return false;
76         return true;
77 }
78
79 #define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
80         __sctp_chunkmap_is_all_set((chunkmap), ARRAY_SIZE(chunkmap))
81 static inline bool
82 __sctp_chunkmap_is_all_set(const __u32 *chunkmap, unsigned int n)
83 {
84         unsigned int i;
85         for (i = 0; i < n; ++i)
86                 if (chunkmap[i] != ~0U)
87                         return false;
88         return true;
89 }
90
91 #endif /* _XT_SCTP_H_ */
92