|
|
|
|
/* SCTP kernel reference 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.
|
|
|
|
|
*
|
|
|
|
|
* The SCTP reference implementation is free software;
|
|
|
|
|
* you can redistribute it and/or modify it under the terms of
|
|
|
|
|
* the GNU General Public License as published by
|
|
|
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
|
|
|
* any later version.
|
|
|
|
|
*
|
|
|
|
|
* the SCTP reference implementation is distributed in the hope that it
|
|
|
|
|
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
|
|
|
|
|
* ************************
|
|
|
|
|
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
|
* See the GNU General Public License for more details.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
|
* along with GNU CC; see the file COPYING. If not, write to
|
|
|
|
|
* the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
|
|
|
* Boston, MA 02111-1307, USA.
|
|
|
|
|
*
|
|
|
|
|
* Please send any bug reports or fixes you make to the
|
|
|
|
|
* email addresses:
|
|
|
|
|
* lksctp developers <lksctp-developers@lists.sourceforge.net>
|
|
|
|
|
*
|
|
|
|
|
* Or submit a bug report through the following website:
|
|
|
|
|
* http://www.sf.net/projects/lksctp
|
|
|
|
|
*
|
|
|
|
|
* Written or modified by:
|
|
|
|
|
* Jon Grimm <jgrimm@us.ibm.com>
|
|
|
|
|
* La Monte H.P. Yarroll <piggy@acm.org>
|
|
|
|
|
* Sridhar Samudrala <sri@us.ibm.com>
|
|
|
|
|
*
|
|
|
|
|
* Any bugs reported given to us we will try to fix... any fixes shared will
|
|
|
|
|
* be incorporated into the next SCTP release.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef __sctp_ulpqueue_h__
|
|
|
|
|
#define __sctp_ulpqueue_h__
|
|
|
|
|
|
|
|
|
|
/* A structure to carry information to the ULP (e.g. Sockets API) */
|
|
|
|
|
struct sctp_ulpq {
|
|
|
|
|
char malloced;
|
|
|
|
|
char pd_mode;
|
|
|
|
|
struct sctp_association *asoc;
|
|
|
|
|
struct sk_buff_head reasm;
|
|
|
|
|
struct sk_buff_head lobby;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* Prototypes. */
|
|
|
|
|
struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *,
|
|
|
|
|
struct sctp_association *);
|
|
|
|
|
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 *,
|
|
|
|
|
unsigned int __nocast);
|
|
|
|
|
|
|
|
|
|
/* Add a new event for propagation to the ULP. */
|
|
|
|
|
int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sctp_ulpevent *ev);
|
|
|
|
|
|
|
|
|
|
/* Renege previously received chunks. */
|
|
|
|
|
void sctp_ulpq_renege(struct sctp_ulpq *, struct sctp_chunk *,
|
|
|
|
|
unsigned int __nocast);
|
|
|
|
|
|
|
|
|
|
/* Perform partial delivery. */
|
|
|
|
|
void sctp_ulpq_partial_delivery(struct sctp_ulpq *, struct sctp_chunk *,
|
|
|
|
|
unsigned int __nocast);
|
|
|
|
|
|
|
|
|
|
/* Abort the partial delivery. */
|
|
|
|
|
void sctp_ulpq_abort_pd(struct sctp_ulpq *, unsigned int __nocast);
|
|
|
|
|
|
|
|
|
|
/* Clear the partial data delivery condition on this socket. */
|
|
|
|
|
int sctp_clear_pd(struct sock *sk);
|
|
|
|
|
|
|
|
|
|
/* Skip over an SSN. */
|
|
|
|
|
void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn);
|
|
|
|
|
|
|
|
|
|
#endif /* __sctp_ulpqueue_h__ */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
