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/*
* 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 */
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