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Diffstat (limited to '')
-rw-r--r-- | include/sctp_chunk.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/sctp_chunk.h b/include/sctp_chunk.h new file mode 100644 index 0000000..3819200 --- /dev/null +++ b/include/sctp_chunk.h @@ -0,0 +1,87 @@ +/* + * Copyright Red Hat + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 (or any + * later) as published by the Free Software Foundation. + */ + +#ifndef NFTABLES_SCTP_CHUNK_H +#define NFTABLES_SCTP_CHUNK_H + +/* SCTP chunk types used on wire */ +enum sctp_hdr_chunk_types { + SCTP_CHUNK_TYPE_DATA = 0, + SCTP_CHUNK_TYPE_INIT = 1, + SCTP_CHUNK_TYPE_INIT_ACK = 2, + SCTP_CHUNK_TYPE_SACK = 3, + SCTP_CHUNK_TYPE_HEARTBEAT = 4, + SCTP_CHUNK_TYPE_HEARTBEAT_ACK = 5, + SCTP_CHUNK_TYPE_ABORT = 6, + SCTP_CHUNK_TYPE_SHUTDOWN = 7, + SCTP_CHUNK_TYPE_SHUTDOWN_ACK = 8, + SCTP_CHUNK_TYPE_ERROR = 9, + SCTP_CHUNK_TYPE_COOKIE_ECHO = 10, + SCTP_CHUNK_TYPE_COOKIE_ACK = 11, + SCTP_CHUNK_TYPE_ECNE = 12, + SCTP_CHUNK_TYPE_CWR = 13, + SCTP_CHUNK_TYPE_SHUTDOWN_COMPLETE = 14, + SCTP_CHUNK_TYPE_ASCONF_ACK = 128, + SCTP_CHUNK_TYPE_FORWARD_TSN = 192, + SCTP_CHUNK_TYPE_ASCONF = 193, +}; + +enum sctp_hdr_chunk_common_fields { + SCTP_CHUNK_COMMON_TYPE, + SCTP_CHUNK_COMMON_FLAGS, + SCTP_CHUNK_COMMON_LENGTH, + __SCTP_CHUNK_COMMON_MAX, +}; + +#define SCTP_CHUNK_START_INDEX __SCTP_CHUNK_COMMON_MAX + +enum sctp_hdr_chunk_data_fields { + SCTP_CHUNK_DATA_TSN = SCTP_CHUNK_START_INDEX, + SCTP_CHUNK_DATA_STREAM, + SCTP_CHUNK_DATA_SSN, + SCTP_CHUNK_DATA_PPID, +}; + +enum sctp_hdr_chunk_init_fields { + SCTP_CHUNK_INIT_TAG = SCTP_CHUNK_START_INDEX, + SCTP_CHUNK_INIT_RWND, + SCTP_CHUNK_INIT_OSTREAMS, + SCTP_CHUNK_INIT_ISTREAMS, + SCTP_CHUNK_INIT_TSN, +}; + +enum sctp_hdr_chunk_sack_fields { + SCTP_CHUNK_SACK_CTSN_ACK = SCTP_CHUNK_START_INDEX, + SCTP_CHUNK_SACK_RWND, + SCTP_CHUNK_SACK_GACK_BLOCKS, + SCTP_CHUNK_SACK_DUP_TSNS, +}; + +enum sctp_hdr_chunk_shutdown_fields { + SCTP_CHUNK_SHUTDOWN_CTSN_ACK = SCTP_CHUNK_START_INDEX, +}; + +enum sctp_hdr_chunk_ecne_cwr_fields { + SCTP_CHUNK_ECNE_CWR_MIN_TSN = SCTP_CHUNK_START_INDEX, +}; + +enum sctp_hdr_chunk_asconf_fields { + SCTP_CHUNK_ASCONF_SEQNO = SCTP_CHUNK_START_INDEX, +}; + +enum sctp_hdr_chunk_fwd_tsn_fields { + SCTP_CHUNK_FORWARD_TSN_NCTSN = SCTP_CHUNK_START_INDEX, +}; + +struct expr *sctp_chunk_expr_alloc(const struct location *loc, + unsigned int type, unsigned int field); +void sctp_chunk_init_raw(struct expr *expr, uint8_t type, unsigned int off, + unsigned int len, uint32_t flags); +const struct exthdr_desc *sctp_chunk_protocol_find(const char *name); + +#endif /* NFTABLES_SCTP_CHUNK_H */ |