Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 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 _IPT_SCTP_H_ |
| 13 | #define _IPT_SCTP_H_ |
| 14 | |
| 15 | #define IPT_SCTP_SRC_PORTS 0x01 |
| 16 | #define IPT_SCTP_DEST_PORTS 0x02 |
| 17 | #define IPT_SCTP_CHUNK_TYPES 0x04 |
| 18 | |
| 19 | #define IPT_SCTP_VALID_FLAGS 0x07 |
| 20 | |
| 21 | struct ipt_sctp_flag_info { |
| 22 | u_int8_t chunktype; |
| 23 | u_int8_t flag; |
| 24 | u_int8_t flag_mask; |
| 25 | }; |
| 26 | |
| 27 | #define IPT_NUM_SCTP_FLAGS 4 |
| 28 | |
| 29 | struct ipt_sctp_info { |
| 30 | u_int16_t dpts[2]; |
| 31 | u_int16_t spts[2]; |
| 32 | |
| 33 | u_int32_t chunkmap[256 / sizeof (u_int32_t)]; |
| 34 | |
| 35 | #define SCTP_CHUNK_MATCH_ANY 0x01 |
| 36 | #define SCTP_CHUNK_MATCH_ALL 0x02 |
| 37 | #define SCTP_CHUNK_MATCH_ONLY 0x04 |
| 38 | |
| 39 | u_int32_t chunk_match_type; |
| 40 | struct ipt_sctp_flag_info flag_info[IPT_NUM_SCTP_FLAGS]; |
| 41 | int flag_count; |
| 42 | |
| 43 | u_int32_t flags; |
| 44 | u_int32_t invflags; |
| 45 | }; |
| 46 | |
| 47 | #define bytes(type) (sizeof(type) * 8) |
| 48 | |
| 49 | #define SCTP_CHUNKMAP_SET(chunkmap, type) do { chunkmap[type / bytes(u_int32_t)] |= 1 << (type % bytes(u_int32_t)); } while (0) |
| 50 | |
| 51 | #define SCTP_CHUNKMAP_CLEAR(chunkmap, type) do { chunkmap[type / bytes(u_int32_t)] &= ~(1 << (type % bytes(u_int32_t))); } while (0) |
| 52 | |
| 53 | #define SCTP_CHUNKMAP_IS_SET(chunkmap, type) ({ (chunkmap[type / bytes (u_int32_t)] & (1 << (type % bytes (u_int32_t)))) ? 1: 0; }) |
| 54 | |
| 55 | #define SCTP_CHUNKMAP_RESET(chunkmap) do { int i; for (i = 0; i < ARRAY_SIZE(chunkmap); i++) chunkmap[i] = 0; } while (0) |
| 56 | |
| 57 | #define SCTP_CHUNKMAP_SET_ALL(chunkmap) do { int i; for (i = 0; i < ARRAY_SIZE(chunkmap); i++) chunkmap[i] = ~0; } while (0) |
| 58 | |
| 59 | #define SCTP_CHUNKMAP_COPY(destmap, srcmap) do { int i; for (i = 0; i < ARRAY_SIZE(chunkmap); i++) destmap[i] = srcmap[i]; } while (0) |
| 60 | |
| 61 | #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; }) |
| 62 | |
| 63 | #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; }) |
| 64 | |
| 65 | #endif |
| 66 | |