mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.2 KiB
69 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|
/* SCTP kernel implementation |
|
* (C) Copyright IBM Corp. 2001, 2004 |
|
* Copyright (c) 1999-2000 Cisco, Inc. |
|
* Copyright (c) 1999-2001 Motorola, Inc. |
|
* Copyright (c) 2001 Intel Corp. |
|
* Copyright (c) 2001 Nokia, Inc. |
|
* Copyright (c) 2001 La Monte H.P. Yarroll |
|
* |
|
* These are the definitions needed for the sctp_ulpq type. The |
|
* sctp_ulpq is the interface between the Upper Layer Protocol, or ULP, |
|
* and the core SCTP state machine. This is the component which handles |
|
* reassembly and ordering. |
|
* |
|
* Please send any bug reports or fixes you make to the |
|
* email addresses: |
|
* lksctp developers <[email protected]> |
|
* |
|
* Written or modified by: |
|
* Jon Grimm <[email protected]> |
|
* La Monte H.P. Yarroll <[email protected]> |
|
* Sridhar Samudrala <[email protected]> |
|
*/ |
|
|
|
#ifndef __sctp_ulpqueue_h__ |
|
#define __sctp_ulpqueue_h__ |
|
|
|
/* A structure to carry information to the ULP (e.g. Sockets API) */ |
|
struct sctp_ulpq { |
|
char pd_mode; |
|
struct sctp_association *asoc; |
|
struct sk_buff_head reasm; |
|
struct sk_buff_head reasm_uo; |
|
struct sk_buff_head lobby; |
|
}; |
|
|
|
/* Prototypes. */ |
|
struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *, |
|
struct sctp_association *); |
|
void sctp_ulpq_flush(struct sctp_ulpq *ulpq); |
|
void sctp_ulpq_free(struct sctp_ulpq *); |
|
|
|
/* Add a new DATA chunk for processing. */ |
|
int sctp_ulpq_tail_data(struct sctp_ulpq *, struct sctp_chunk *, gfp_t); |
|
|
|
/* Add a new event for propagation to the ULP. */ |
|
int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sk_buff_head *skb_list); |
|
|
|
/* Renege previously received chunks. */ |
|
void sctp_ulpq_renege(struct sctp_ulpq *, struct sctp_chunk *, gfp_t); |
|
|
|
/* Perform partial delivery. */ |
|
void sctp_ulpq_partial_delivery(struct sctp_ulpq *, gfp_t); |
|
|
|
/* Abort the partial delivery. */ |
|
void sctp_ulpq_abort_pd(struct sctp_ulpq *, gfp_t); |
|
|
|
/* Clear the partial data delivery condition on this socket. */ |
|
int sctp_clear_pd(struct sock *sk, struct sctp_association *asoc); |
|
|
|
/* Skip over an SSN. */ |
|
void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn); |
|
|
|
void sctp_ulpq_reasm_flushtsn(struct sctp_ulpq *, __u32); |
|
|
|
__u16 sctp_ulpq_renege_list(struct sctp_ulpq *ulpq, |
|
struct sk_buff_head *list, __u16 needed); |
|
|
|
#endif /* __sctp_ulpqueue_h__ */
|
|
|