2005-04-16 22:20:36 +00:00
|
|
|
#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; \
|
2005-11-21 05:11:31 +00:00
|
|
|
for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
|
2005-04-16 22:20:36 +00:00
|
|
|
chunkmap[i] = 0; \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
|
|
|
|
do { \
|
|
|
|
int i; \
|
2005-11-21 05:11:31 +00:00
|
|
|
for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
|
2005-04-16 22:20:36 +00:00
|
|
|
chunkmap[i] = ~0; \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
|
|
|
|
do { \
|
|
|
|
int i; \
|
2005-11-21 05:11:31 +00:00
|
|
|
for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
|
2005-04-16 22:20:36 +00:00
|
|
|
destmap[i] = srcmap[i]; \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
|
|
|
|
({ \
|
|
|
|
int i; \
|
|
|
|
int flag = 1; \
|
2005-11-21 05:11:31 +00:00
|
|
|
for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \
|
2005-04-16 22:20:36 +00:00
|
|
|
if (chunkmap[i]) { \
|
|
|
|
flag = 0; \
|
|
|
|
break; \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
flag; \
|
|
|
|
})
|
|
|
|
|
|
|
|
#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
|
|
|
|
({ \
|
|
|
|
int i; \
|
|
|
|
int flag = 1; \
|
2005-11-21 05:11:31 +00:00
|
|
|
for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \
|
2005-04-16 22:20:36 +00:00
|
|
|
if (chunkmap[i] != ~0) { \
|
|
|
|
flag = 0; \
|
|
|
|
break; \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
flag; \
|
|
|
|
})
|
|
|
|
|
|
|
|
#endif /* _IPT_SCTP_H_ */
|
|
|
|
|