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 23 struct 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 31 struct 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
