[linux-2.6-block.git] / include / linux / netfilter_ipv4 / ipt_sctp.h

#ifndef _IPT_SCTP_H_
#define _IPT_SCTP_H_

#define IPT_SCTP_SRC_PORTS	        0x01
#define IPT_SCTP_DEST_PORTS	        0x02
#define IPT_SCTP_CHUNK_TYPES		0x04

#define IPT_SCTP_VALID_FLAGS		0x07


struct ipt_sctp_flag_info {
	u_int8_t chunktype;
	u_int8_t flag;
	u_int8_t flag_mask;
};

#define IPT_NUM_SCTP_FLAGS	4

struct ipt_sctp_info {
	u_int16_t dpts[2];  /* Min, Max */
	u_int16_t spts[2];  /* Min, Max */

	u_int32_t chunkmap[256 / sizeof (u_int32_t)];  /* 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 */

	u_int32_t chunk_match_type;
	struct ipt_sctp_flag_info flag_info[IPT_NUM_SCTP_FLAGS];
	int flag_count;

	u_int32_t flags;
	u_int32_t invflags;
};

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

#define SCTP_CHUNKMAP_SET(chunkmap, type) 		\
	do { 						\
		chunkmap[type / bytes(u_int32_t)] |= 	\
			1 << (type % bytes(u_int32_t));	\
	} while (0)

#define SCTP_CHUNKMAP_CLEAR(chunkmap, type)		 	\
	do {							\
		chunkmap[type / bytes(u_int32_t)] &= 		\
			~(1 << (type % bytes(u_int32_t)));	\
	} while (0)

#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) 			\
({								\
	(chunkmap[type / bytes (u_int32_t)] & 			\
		(1 << (type % bytes (u_int32_t)))) ? 1: 0;	\
})

#define SCTP_CHUNKMAP_RESET(chunkmap) 				\
	do {							\
		int i; 						\
		for (i = 0; i < ARRAY_SIZE(chunkmap); i++)	\
			chunkmap[i] = 0;			\
	} while (0)

#define SCTP_CHUNKMAP_SET_ALL(chunkmap) 			\
	do {							\
		int i; 						\
		for (i = 0; i < ARRAY_SIZE(chunkmap); i++)	\
			chunkmap[i] = ~0;			\
	} while (0)

#define SCTP_CHUNKMAP_COPY(destmap, srcmap) 			\
	do {							\
		int i; 						\
		for (i = 0; i < ARRAY_SIZE(chunkmap); i++)	\
			destmap[i] = srcmap[i];			\
	} while (0)

#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) 		\
({							\
	int i; 						\
	int flag = 1;					\
	for (i = 0; i < ARRAY_SIZE(chunkmap); i++) {	\
		if (chunkmap[i]) {			\
			flag = 0;			\
			break;				\
		}					\
	}						\
        flag;						\
})

#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) 		\
({							\
	int i; 						\
	int flag = 1;					\
	for (i = 0; i < ARRAY_SIZE(chunkmap); i++) {	\
		if (chunkmap[i] != ~0) {		\
			flag = 0;			\
				break;			\
		}					\
	}						\
        flag;						\
})

#endif /* _IPT_SCTP_H_ */
Commit	Line	Data
1da177e4 LT	1	#ifndef _IPT_SCTP_H_
	2	#define _IPT_SCTP_H_
	3
	4	#define IPT_SCTP_SRC_PORTS 0x01
	5	#define IPT_SCTP_DEST_PORTS 0x02
	6	#define IPT_SCTP_CHUNK_TYPES 0x04
	7
	8	#define IPT_SCTP_VALID_FLAGS 0x07
	9
1da177e4 LT	10
	11	struct ipt_sctp_flag_info {
	12	u_int8_t chunktype;
	13	u_int8_t flag;
	14	u_int8_t flag_mask;
	15	};
	16
	17	#define IPT_NUM_SCTP_FLAGS 4
	18
	19	struct ipt_sctp_info {
	20	u_int16_t dpts[2]; /* Min, Max */
	21	u_int16_t spts[2]; /* Min, Max */
	22
	23	u_int32_t chunkmap[256 / sizeof (u_int32_t)]; /* Bit mask of chunks to be matched according to RFC 2960 */
	24
	25	#define SCTP_CHUNK_MATCH_ANY 0x01 /* Match if any of the chunk types are present */
	26	#define SCTP_CHUNK_MATCH_ALL 0x02 /* Match if all of the chunk types are present */
	27	#define SCTP_CHUNK_MATCH_ONLY 0x04 /* Match if these are the only chunk types present */
	28
	29	u_int32_t chunk_match_type;
	30	struct ipt_sctp_flag_info flag_info[IPT_NUM_SCTP_FLAGS];
	31	int flag_count;
	32
	33	u_int32_t flags;
	34	u_int32_t invflags;
	35	};
	36
	37	#define bytes(type) (sizeof(type) * 8)
	38
	39	#define SCTP_CHUNKMAP_SET(chunkmap, type) \
	40	do { \
	41	chunkmap[type / bytes(u_int32_t)] \|= \
	42	1 << (type % bytes(u_int32_t)); \
	43	} while (0)
	44
	45	#define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \
	46	do { \
	47	chunkmap[type / bytes(u_int32_t)] &= \
	48	~(1 << (type % bytes(u_int32_t))); \
	49	} while (0)
	50
	51	#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \
	52	({ \
	53	(chunkmap[type / bytes (u_int32_t)] & \
	54	(1 << (type % bytes (u_int32_t)))) ? 1: 0; \
	55	})
	56
	57	#define SCTP_CHUNKMAP_RESET(chunkmap) \
	58	do { \
	59	int i; \
bd4cfb59	60	for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
1da177e4 LT	61	chunkmap[i] = 0; \
	62	} while (0)
	63
	64	#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
	65	do { \
	66	int i; \
bd4cfb59	67	for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
1da177e4 LT	68	chunkmap[i] = ~0; \
	69	} while (0)
	70
	71	#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
	72	do { \
	73	int i; \
bd4cfb59	74	for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
1da177e4 LT	75	destmap[i] = srcmap[i]; \
	76	} while (0)
	77
	78	#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
	79	({ \
	80	int i; \
	81	int flag = 1; \
bd4cfb59	82	for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \
1da177e4 LT	83	if (chunkmap[i]) { \
	84	flag = 0; \
	85	break; \
	86	} \
	87	} \
	88	flag; \
	89	})
	90
	91	#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
	92	({ \
	93	int i; \
	94	int flag = 1; \
bd4cfb59	95	for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \
1da177e4 LT	96	if (chunkmap[i] != ~0) { \
	97	flag = 0; \
	98	break; \
	99	} \
	100	} \
	101	flag; \
	102	})
	103
	104	#endif /* _IPT_SCTP_H_ */
	105