diff options
Diffstat (limited to 'include/net/sctp/ulpqueue.h')
-rw-r--r-- | include/net/sctp/ulpqueue.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/net/sctp/ulpqueue.h b/include/net/sctp/ulpqueue.h new file mode 100644 index 000000000000..961736d29d21 --- /dev/null +++ b/include/net/sctp/ulpqueue.h | |||
@@ -0,0 +1,92 @@ | |||
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 | |||