| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SCTP kernel implementation |
| 2 | * (C) Copyright Red Hat Inc. 2017 |
| 3 | * |
| 4 | * These are definitions used by the stream schedulers, defined in RFC |
| 5 | * draft ndata (https://tools.ietf.org/html/draft-ietf-tsvwg-sctp-ndata-11) |
| 6 | * |
| 7 | * This SCTP implementation is free software; |
| 8 | * you can redistribute it and/or modify it under the terms of |
| 9 | * the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2, or (at your option) |
| 11 | * any later version. |
| 12 | * |
| 13 | * This SCTP implementation is distributed in the hope that it |
| 14 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 15 | * ************************ |
| 16 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 17 | * See the GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with GNU CC; see the file COPYING. If not, see |
| 21 | * <http://www.gnu.org/licenses/>. |
| 22 | * |
| 23 | * Please send any bug reports or fixes you make to the |
| 24 | * email addresses: |
| 25 | * lksctp developers <linux-sctp@vger.kernel.org> |
| 26 | * |
| 27 | * Written or modified by: |
| 28 | * Xin Long <lucien.xin@gmail.com> |
| 29 | */ |
| 30 | |
| 31 | #ifndef __sctp_stream_interleave_h__ |
| 32 | #define __sctp_stream_interleave_h__ |
| 33 | |
| 34 | struct sctp_stream_interleave { |
| 35 | __u16 data_chunk_len; |
| 36 | __u16 ftsn_chunk_len; |
| 37 | /* (I-)DATA process */ |
| 38 | struct sctp_chunk *(*make_datafrag)(const struct sctp_association *asoc, |
| 39 | const struct sctp_sndrcvinfo *sinfo, |
| 40 | int len, __u8 flags, gfp_t gfp); |
| 41 | void (*assign_number)(struct sctp_chunk *chunk); |
| 42 | bool (*validate_data)(struct sctp_chunk *chunk); |
| 43 | int (*ulpevent_data)(struct sctp_ulpq *ulpq, |
| 44 | struct sctp_chunk *chunk, gfp_t gfp); |
| 45 | int (*enqueue_event)(struct sctp_ulpq *ulpq, |
| 46 | struct sctp_ulpevent *event); |
| 47 | void (*renege_events)(struct sctp_ulpq *ulpq, |
| 48 | struct sctp_chunk *chunk, gfp_t gfp); |
| 49 | void (*start_pd)(struct sctp_ulpq *ulpq, gfp_t gfp); |
| 50 | void (*abort_pd)(struct sctp_ulpq *ulpq, gfp_t gfp); |
| 51 | /* (I-)FORWARD-TSN process */ |
| 52 | void (*generate_ftsn)(struct sctp_outq *q, __u32 ctsn); |
| 53 | bool (*validate_ftsn)(struct sctp_chunk *chunk); |
| 54 | void (*report_ftsn)(struct sctp_ulpq *ulpq, __u32 ftsn); |
| 55 | void (*handle_ftsn)(struct sctp_ulpq *ulpq, |
| 56 | struct sctp_chunk *chunk); |
| 57 | }; |
| 58 | |
| 59 | void sctp_stream_interleave_init(struct sctp_stream *stream); |
| 60 | |
| 61 | #endif /* __sctp_stream_interleave_h__ */ |