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62 lines
2.3 KiB
62 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* 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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* Please send any bug reports or fixes you make to the |
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* email addresses: |
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* lksctp developers <[email protected]> |
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* |
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* Written or modified by: |
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* Marcelo Ricardo Leitner <[email protected]> |
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*/ |
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#ifndef __sctp_stream_sched_h__ |
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#define __sctp_stream_sched_h__ |
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struct sctp_sched_ops { |
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/* Property handling for a given stream */ |
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int (*set)(struct sctp_stream *stream, __u16 sid, __u16 value, |
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gfp_t gfp); |
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int (*get)(struct sctp_stream *stream, __u16 sid, __u16 *value); |
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/* Init the specific scheduler */ |
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int (*init)(struct sctp_stream *stream); |
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/* Init a stream */ |
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int (*init_sid)(struct sctp_stream *stream, __u16 sid, gfp_t gfp); |
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/* Frees the entire thing */ |
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void (*free)(struct sctp_stream *stream); |
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/* Enqueue a chunk */ |
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void (*enqueue)(struct sctp_outq *q, struct sctp_datamsg *msg); |
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/* Dequeue a chunk */ |
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struct sctp_chunk *(*dequeue)(struct sctp_outq *q); |
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/* Called only if the chunk fit the packet */ |
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void (*dequeue_done)(struct sctp_outq *q, struct sctp_chunk *chunk); |
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/* Sched all chunks already enqueued */ |
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void (*sched_all)(struct sctp_stream *steam); |
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/* Unched all chunks already enqueued */ |
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void (*unsched_all)(struct sctp_stream *steam); |
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}; |
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int sctp_sched_set_sched(struct sctp_association *asoc, |
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enum sctp_sched_type sched); |
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int sctp_sched_get_sched(struct sctp_association *asoc); |
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int sctp_sched_set_value(struct sctp_association *asoc, __u16 sid, |
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__u16 value, gfp_t gfp); |
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int sctp_sched_get_value(struct sctp_association *asoc, __u16 sid, |
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__u16 *value); |
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void sctp_sched_dequeue_done(struct sctp_outq *q, struct sctp_chunk *ch); |
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void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch); |
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int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp); |
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struct sctp_sched_ops *sctp_sched_ops_from_stream(struct sctp_stream *stream); |
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void sctp_sched_ops_register(enum sctp_sched_type sched, |
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struct sctp_sched_ops *sched_ops); |
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void sctp_sched_ops_prio_init(void); |
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void sctp_sched_ops_rr_init(void); |
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#endif /* __sctp_stream_sched_h__ */
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