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92 lines
3.0 KiB
92 lines
3.0 KiB
/* SCTP kernel reference Implementation
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* (C) Copyright IBM Corp. 2001, 2004
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* Copyright (c) 1999-2000 Cisco, Inc.
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* Copyright (c) 1999-2001 Motorola, Inc.
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* Copyright (c) 2001 Intel Corp.
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* Copyright (c) 2001 Nokia, Inc.
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* Copyright (c) 2001 La Monte H.P. Yarroll
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*
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* These are the definitions needed for the sctp_ulpq type. The
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* sctp_ulpq is the interface between the Upper Layer Protocol, or ULP,
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* and the core SCTP state machine. This is the component which handles
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* reassembly and ordering.
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*
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* The SCTP reference implementation is free software;
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* you can redistribute it and/or modify it under the terms of
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* the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* the SCTP reference implementation is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* ************************
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU CC; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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 <lksctp-developers@lists.sourceforge.net>
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*
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* Or submit a bug report through the following website:
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* http://www.sf.net/projects/lksctp
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*
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* Written or modified by:
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* Jon Grimm <jgrimm@us.ibm.com>
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* La Monte H.P. Yarroll <piggy@acm.org>
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* Sridhar Samudrala <sri@us.ibm.com>
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*
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* Any bugs reported given to us we will try to fix... any fixes shared will
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* be incorporated into the next SCTP release.
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*/
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#ifndef __sctp_ulpqueue_h__
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#define __sctp_ulpqueue_h__
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/* A structure to carry information to the ULP (e.g. Sockets API) */
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struct sctp_ulpq {
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char malloced;
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char pd_mode;
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struct sctp_association *asoc;
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struct sk_buff_head reasm;
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struct sk_buff_head lobby;
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};
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/* Prototypes. */
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struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *,
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struct sctp_association *);
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void sctp_ulpq_free(struct sctp_ulpq *);
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/* Add a new DATA chunk for processing. */
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int sctp_ulpq_tail_data(struct sctp_ulpq *, struct sctp_chunk *, gfp_t);
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/* Add a new event for propagation to the ULP. */
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int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sctp_ulpevent *ev);
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/* Renege previously received chunks. */
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void sctp_ulpq_renege(struct sctp_ulpq *, struct sctp_chunk *, gfp_t);
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/* Perform partial delivery. */
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void sctp_ulpq_partial_delivery(struct sctp_ulpq *, struct sctp_chunk *, gfp_t);
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/* Abort the partial delivery. */
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void sctp_ulpq_abort_pd(struct sctp_ulpq *, gfp_t);
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/* Clear the partial data delivery condition on this socket. */
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int sctp_clear_pd(struct sock *sk);
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/* Skip over an SSN. */
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void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn);
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#endif /* __sctp_ulpqueue_h__ */
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