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/* 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.
 *
 * This SCTP 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.
 *
 * This SCTP 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, see
 * <http://www.gnu.org/licenses/>.
 *
 * Please send any bug reports or fixes you make to the
 * email addresses:
 *    lksctp developers <linux-sctp@vger.kernel.org>
 *
 * Written or modified by:
 *   Jon Grimm             <jgrimm@us.ibm.com>
 *   La Monte H.P. Yarroll <piggy@acm.org>
 *   Sridhar Samudrala     <sri@us.ibm.com>
 */

#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 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 sctp_ulpevent *ev);

/* 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);
#endif /* __sctp_ulpqueue_h__ */








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Name Type Size Permission Actions
auth.h File 4.03 KB 0644
checksum.h File 2.43 KB 0644
command.h File 9.17 KB 0644
constants.h File 13.95 KB 0644
sctp.h File 19.68 KB 0644
sm.h File 15.86 KB 0644
stream_sched.h File 2.92 KB 0644
structs.h File 63.85 KB 0644
tsnmap.h File 5.39 KB 0644
ulpevent.h File 5.48 KB 0644
ulpqueue.h File 2.76 KB 0644