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- /* SCTP kernel implementation
- * (C) Copyright Red Hat Inc. 2017
- *
- * These are definitions used by the stream schedulers, defined in RFC
- * draft ndata (https://tools.ietf.org/html/draft-ietf-tsvwg-sctp-ndata-11)
- *
- * This SCTP implementation is free software;
- * you can redistribute it and/or modify it under the terms of
- * the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This SCTP implementation is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * ************************
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU CC; see the file COPYING. If not, see
- * <http://www.gnu.org/licenses/>.
- *
- * Please send any bug reports or fixes you make to the
- * email addresses:
- * lksctp developers <linux-sctp@vger.kernel.org>
- *
- * Written or modified by:
- * Xin Long <lucien.xin@gmail.com>
- */
- #ifndef __sctp_stream_interleave_h__
- #define __sctp_stream_interleave_h__
- struct sctp_stream_interleave {
- __u16 data_chunk_len;
- __u16 ftsn_chunk_len;
- /* (I-)DATA process */
- struct sctp_chunk *(*make_datafrag)(const struct sctp_association *asoc,
- const struct sctp_sndrcvinfo *sinfo,
- int len, __u8 flags, gfp_t gfp);
- void (*assign_number)(struct sctp_chunk *chunk);
- bool (*validate_data)(struct sctp_chunk *chunk);
- int (*ulpevent_data)(struct sctp_ulpq *ulpq,
- struct sctp_chunk *chunk, gfp_t gfp);
- int (*enqueue_event)(struct sctp_ulpq *ulpq,
- struct sctp_ulpevent *event);
- void (*renege_events)(struct sctp_ulpq *ulpq,
- struct sctp_chunk *chunk, gfp_t gfp);
- void (*start_pd)(struct sctp_ulpq *ulpq, gfp_t gfp);
- void (*abort_pd)(struct sctp_ulpq *ulpq, gfp_t gfp);
- /* (I-)FORWARD-TSN process */
- void (*generate_ftsn)(struct sctp_outq *q, __u32 ctsn);
- bool (*validate_ftsn)(struct sctp_chunk *chunk);
- void (*report_ftsn)(struct sctp_ulpq *ulpq, __u32 ftsn);
- void (*handle_ftsn)(struct sctp_ulpq *ulpq,
- struct sctp_chunk *chunk);
- };
- void sctp_stream_interleave_init(struct sctp_stream *stream);
- #endif /* __sctp_stream_interleave_h__ */
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