projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 60c778b2 | 1 | /* SCTP kernel implementation |
| 1da177e4 LT |
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 | * | |
| 60c778b2 | 14 | * This SCTP implementation is free software; |
| 1da177e4 LT |
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 | * | |
| 60c778b2 | 20 | * This SCTP implementation is distributed in the hope that it |
| 1da177e4 LT |
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 *); | |
| 0b58a811 | 62 | void sctp_ulpq_flush(struct sctp_ulpq *ulpq); |
| 1da177e4 LT |
63 | void sctp_ulpq_free(struct sctp_ulpq *); |
| 64 | ||
| 65 | /* Add a new DATA chunk for processing. */ | |
| dd0fc66f | 66 | int sctp_ulpq_tail_data(struct sctp_ulpq *, struct sctp_chunk *, gfp_t); |
| 1da177e4 LT |
67 | |
| 68 | /* Add a new event for propagation to the ULP. */ | |
| 69 | int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sctp_ulpevent *ev); | |
| 70 | ||
| 71 | /* Renege previously received chunks. */ | |
| dd0fc66f | 72 | void sctp_ulpq_renege(struct sctp_ulpq *, struct sctp_chunk *, gfp_t); |
| 1da177e4 LT |
73 | |
| 74 | /* Perform partial delivery. */ | |
| dd0fc66f | 75 | void sctp_ulpq_partial_delivery(struct sctp_ulpq *, struct sctp_chunk *, gfp_t); |
| 1da177e4 LT |
76 | |
| 77 | /* Abort the partial delivery. */ | |
| dd0fc66f | 78 | void sctp_ulpq_abort_pd(struct sctp_ulpq *, gfp_t); |
| 1da177e4 LT |
79 | |
| 80 | /* Clear the partial data delivery condition on this socket. */ | |
| b6e1331f | 81 | int sctp_clear_pd(struct sock *sk, struct sctp_association *asoc); |
| 1da177e4 LT |
82 | |
| 83 | /* Skip over an SSN. */ | |
| 84 | void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn); | |
| 85 | ||
| ea2dfb37 | 86 | void sctp_ulpq_reasm_flushtsn(struct sctp_ulpq *, __u32); |
| 1da177e4 LT |
87 | #endif /* __sctp_ulpqueue_h__ */ |
| 88 | ||
| 89 | ||
| 90 | ||
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| 93 | ||
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