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| 2 | |
| 3 | * (C) Copyright Red Hat Inc. 2017
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| 4 | *
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| 5 | * These are definitions used by the stream schedulers, defined in RFC
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| 6 | * draft ndata (https://tools.ietf.org/html/draft-ietf-tsvwg-sctp-ndata-11)
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| 7 | *
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| 8 | * Please send any bug reports or fixes you make to the
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| 9 | * email addresses:
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| 10 | * lksctp developers <[email protected]>
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| 11 | *
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| 12 | * Written or modified by:
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| 13 | * Xin Long <[email protected]>
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| 14 |
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| 15 |
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| 16 | #ifndef __sctp_stream_interleave_h__
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| 17 | #define __sctp_stream_interleave_h__
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| 18 |
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| 19 | struct sctp_stream_interleave {
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| 20 | __u16 data_chunk_len;
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| 21 | __u16 ftsn_chunk_len;
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| 22 |
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| 23 | struct sctp_chunk *(*make_datafrag)(const struct sctp_association *asoc,
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| 24 | const struct sctp_sndrcvinfo *sinfo,
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| 25 | int len, __u8 flags, gfp_t gfp);
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| 26 | void (*assign_number)(struct sctp_chunk *chunk);
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| 27 | bool (*validate_data)(struct sctp_chunk *chunk);
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| 28 | int (*ulpevent_data)(struct sctp_ulpq *ulpq,
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| 29 | struct sctp_chunk *chunk, gfp_t gfp);
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| 30 | int (*enqueue_event)(struct sctp_ulpq *ulpq,
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| 31 | struct sctp_ulpevent *event);
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| 32 | void (*renege_events)(struct sctp_ulpq *ulpq,
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| 33 | struct sctp_chunk *chunk, gfp_t gfp);
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| 34 | void (*start_pd)(struct sctp_ulpq *ulpq, gfp_t gfp);
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| 35 | void (*abort_pd)(struct sctp_ulpq *ulpq, gfp_t gfp);
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| 36 |
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| 37 | void (*generate_ftsn)(struct sctp_outq *q, __u32 ctsn);
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| 38 | bool (*validate_ftsn)(struct sctp_chunk *chunk);
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| 39 | void (*report_ftsn)(struct sctp_ulpq *ulpq, __u32 ftsn);
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| 40 | void (*handle_ftsn)(struct sctp_ulpq *ulpq,
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| 41 | struct sctp_chunk *chunk);
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| 42 | };
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| 43 |
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| 44 | void sctp_stream_interleave_init(struct sctp_stream *stream);
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| 45 |
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| 46 | #endif
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