| /* 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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