Release 4.12 include/uapi/linux/netfilter/xt_sctp.h

#ifndef _XT_SCTP_H_

#define _XT_SCTP_H_

#include <linux/types.h>


#define XT_SCTP_SRC_PORTS	        0x01

#define XT_SCTP_DEST_PORTS	        0x02

#define XT_SCTP_CHUNK_TYPES		0x04


#define XT_SCTP_VALID_FLAGS		0x07


struct xt_sctp_flag_info {
	
__u8 chunktype;
	
__u8 flag;
	
__u8 flag_mask;
};


#define XT_NUM_SCTP_FLAGS	4


struct xt_sctp_info {
	
__u16 dpts[2];  /* Min, Max */
	
__u16 spts[2];  /* Min, Max */

	
__u32 chunkmap[256 / sizeof (__u32)];  /* Bit mask of chunks to be matched according to RFC 2960 */


#define SCTP_CHUNK_MATCH_ANY   0x01  /* Match if any of the chunk types are present */

#define SCTP_CHUNK_MATCH_ALL   0x02  /* Match if all of the chunk types are present */

#define SCTP_CHUNK_MATCH_ONLY  0x04  /* Match if these are the only chunk types present */

	
__u32 chunk_match_type;
	
struct xt_sctp_flag_info flag_info[XT_NUM_SCTP_FLAGS];
	
int flag_count;

	
__u32 flags;
	
__u32 invflags;
};


#define bytes(type) (sizeof(type) * 8)


#define SCTP_CHUNKMAP_SET(chunkmap, type) 		\
	do {                                            \
                (chunkmap)[type / bytes(__u32)] |=      \
                        1 << (type % bytes(__u32));     \
        } while (0)


#define SCTP_CHUNKMAP_CLEAR(chunkmap, type)		 	\
	do {                                                    \
                (chunkmap)[type / bytes(__u32)] &=              \
                        ~(1 << (type % bytes(__u32)));  \
        } while (0)


#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) 			\
({                                                              \
        ((chunkmap)[type / bytes (__u32)] &             \
                (1 << (type % bytes (__u32)))) ? 1: 0;  \
})


#define SCTP_CHUNKMAP_RESET(chunkmap) \
	memset((chunkmap), 0, sizeof(chunkmap))


#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
	memset((chunkmap), ~0U, sizeof(chunkmap))


#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
	memcpy((destmap), (srcmap), sizeof(srcmap))


#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
	__sctp_chunkmap_is_clear((chunkmap), ARRAY_SIZE(chunkmap))

static inline _Bool

__sctp_chunkmap_is_clear(const __u32 *chunkmap, unsigned int n)
{
	unsigned int i;
	for (i = 0; i < n; ++i)
		if (chunkmap[i])
			return 0;
	return 1;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jan Engelhardt
42
91.30%
1
33.33%
Mikko Rapeli
3
6.52%
1
33.33%
Arnd Bergmann
1
2.17%
1
33.33%
Total
46
100.00%
3
100.00%


#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
	__sctp_chunkmap_is_all_set((chunkmap), ARRAY_SIZE(chunkmap))

static inline _Bool

__sctp_chunkmap_is_all_set(const __u32 *chunkmap, unsigned int n)
{
	unsigned int i;
	for (i = 0; i < n; ++i)
		if (chunkmap[i] != ~0U)
			return 0;
	return 1;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jan Engelhardt
45
91.84%
1
33.33%
Mikko Rapeli
3
6.12%
1
33.33%
Arnd Bergmann
1
2.04%
1
33.33%
Total
49
100.00%
3
100.00%

#endif /* _XT_SCTP_H_ */

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Harald Welte
169
59.30%
1
25.00%
Jan Engelhardt
92
32.28%
1
25.00%
Arnd Bergmann
18
6.32%
1
25.00%
Mikko Rapeli
6
2.11%
1
25.00%
Total
285
100.00%
4
100.00%
Directory: include/uapi/linux/netfilter

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