Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* SCTP kernel implementation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * (C) Copyright Red Hat Inc. 2017
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * These are definitions used by the stream schedulers, defined in RFC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * draft ndata (https://tools.ietf.org/html/draft-ietf-tsvwg-sctp-ndata-11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Please send any bug reports or fixes you make to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * email addresses:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *    lksctp developers <linux-sctp@vger.kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * Written or modified by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  *   Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #ifndef __sctp_stream_sched_h__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define __sctp_stream_sched_h__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct sctp_sched_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	/* Property handling for a given stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	int (*set)(struct sctp_stream *stream, __u16 sid, __u16 value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		   gfp_t gfp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	int (*get)(struct sctp_stream *stream, __u16 sid, __u16 *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	/* Init the specific scheduler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	int (*init)(struct sctp_stream *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	/* Init a stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	int (*init_sid)(struct sctp_stream *stream, __u16 sid, gfp_t gfp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	/* Frees the entire thing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	void (*free)(struct sctp_stream *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	/* Enqueue a chunk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	void (*enqueue)(struct sctp_outq *q, struct sctp_datamsg *msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	/* Dequeue a chunk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct sctp_chunk *(*dequeue)(struct sctp_outq *q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	/* Called only if the chunk fit the packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	void (*dequeue_done)(struct sctp_outq *q, struct sctp_chunk *chunk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	/* Sched all chunks already enqueued */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	void (*sched_all)(struct sctp_stream *steam);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	/* Unched all chunks already enqueued */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	void (*unsched_all)(struct sctp_stream *steam);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int sctp_sched_set_sched(struct sctp_association *asoc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 			 enum sctp_sched_type sched);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int sctp_sched_get_sched(struct sctp_association *asoc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int sctp_sched_set_value(struct sctp_association *asoc, __u16 sid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 			 __u16 value, gfp_t gfp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int sctp_sched_get_value(struct sctp_association *asoc, __u16 sid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 			 __u16 *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) void sctp_sched_dequeue_done(struct sctp_outq *q, struct sctp_chunk *ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct sctp_sched_ops *sctp_sched_ops_from_stream(struct sctp_stream *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) void sctp_sched_ops_register(enum sctp_sched_type sched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 			     struct sctp_sched_ops *sched_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) void sctp_sched_ops_prio_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) void sctp_sched_ops_rr_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #endif /* __sctp_stream_sched_h__ */