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