| /* 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__ */ |