| | 1 | /* SCTP kernel reference Implementation |
| | 2 | * (C) Copyright IBM Corp. 2001, 2004 |
| | 3 | * Copyright (c) 1999-2000 Cisco, Inc. |
| | 4 | * Copyright (c) 1999-2001 Motorola, Inc. |
| | 5 | * Copyright (c) 2001 Intel Corp. |
| | 6 | * Copyright (c) 2001 Nokia, Inc. |
| | 7 | * Copyright (c) 2001 La Monte H.P. Yarroll |
| | 8 | * |
| | 9 | * These are the definitions needed for the sctp_ulpq type. The |
| | 10 | * sctp_ulpq is the interface between the Upper Layer Protocol, or ULP, |
| | 11 | * and the core SCTP state machine. This is the component which handles |
| | 12 | * reassembly and ordering. |
| | 13 | * |
| | 14 | * The SCTP reference implementation is free software; |
| | 15 | * you can redistribute it and/or modify it under the terms of |
| | 16 | * the GNU General Public License as published by |
| | 17 | * the Free Software Foundation; either version 2, or (at your option) |
| | 18 | * any later version. |
| | 19 | * |
| | 20 | * the SCTP reference implementation is distributed in the hope that it |
| | 21 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| | 22 | * ************************ |
| | 23 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| | 24 | * See the GNU General Public License for more details. |
| | 25 | * |
| | 26 | * You should have received a copy of the GNU General Public License |
| | 27 | * along with GNU CC; see the file COPYING. If not, write to |
| | 28 | * the Free Software Foundation, 59 Temple Place - Suite 330, |
| | 29 | * Boston, MA 02111-1307, USA. |
| | 30 | * |
| | 31 | * Please send any bug reports or fixes you make to the |
| | 32 | * email addresses: |
| | 33 | * lksctp developers <lksctp-developers@lists.sourceforge.net> |
| | 34 | * |
| | 35 | * Or submit a bug report through the following website: |
| | 36 | * http://www.sf.net/projects/lksctp |
| | 37 | * |
| | 38 | * Written or modified by: |
| | 39 | * Jon Grimm <jgrimm@us.ibm.com> |
| | 40 | * La Monte H.P. Yarroll <piggy@acm.org> |
| | 41 | * Sridhar Samudrala <sri@us.ibm.com> |
| | 42 | * |
| | 43 | * Any bugs reported given to us we will try to fix... any fixes shared will |
| | 44 | * be incorporated into the next SCTP release. |
| | 45 | */ |
| | 46 | |
| | 47 | #ifndef __sctp_ulpqueue_h__ |
| | 48 | #define __sctp_ulpqueue_h__ |
| | 49 | |
| | 50 | /* A structure to carry information to the ULP (e.g. Sockets API) */ |
| | 51 | struct sctp_ulpq { |
| | 52 | char malloced; |
| | 53 | char pd_mode; |
| | 54 | struct sctp_association *asoc; |
| | 55 | struct sk_buff_head reasm; |
| | 56 | struct sk_buff_head lobby; |
| | 57 | }; |
| | 58 | |
| | 59 | /* Prototypes. */ |
| | 60 | struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *, |
| | 61 | struct sctp_association *); |
| | 62 | void sctp_ulpq_free(struct sctp_ulpq *); |
| | 63 | |
| | 64 | /* Add a new DATA chunk for processing. */ |
| | 65 | int sctp_ulpq_tail_data(struct sctp_ulpq *, struct sctp_chunk *, int); |
| | 66 | |
| | 67 | /* Add a new event for propagation to the ULP. */ |
| | 68 | int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sctp_ulpevent *ev); |
| | 69 | |
| | 70 | /* Renege previously received chunks. */ |
| | 71 | void sctp_ulpq_renege(struct sctp_ulpq *, struct sctp_chunk *, int); |
| | 72 | |
| | 73 | /* Perform partial delivery. */ |
| | 74 | void sctp_ulpq_partial_delivery(struct sctp_ulpq *, struct sctp_chunk *, int); |
| | 75 | |
| | 76 | /* Abort the partial delivery. */ |
| | 77 | void sctp_ulpq_abort_pd(struct sctp_ulpq *, int); |
| | 78 | |
| | 79 | /* Clear the partial data delivery condition on this socket. */ |
| | 80 | int sctp_clear_pd(struct sock *sk); |
| | 81 | |
| | 82 | /* Skip over an SSN. */ |
| | 83 | void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn); |
| | 84 | |
| | 85 | #endif /* __sctp_ulpqueue_h__ */ |
| | 86 | |
| | 87 | |
| | 88 | |
| | 89 | |
| | 90 | |
| | 91 | |
| | 92 | |
projects / mirror_ubuntu-bionic-kernel.git / blame_incremental