name : stream_interleave.h /* SPDX-License-Identifier: GPL-2.0-or-later */ /* 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) * * 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__ */