blob: 542476ab50d7121d7886ae3f80b1918d5219d187 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _INET_SCTP_SCTP_STACK_H
#define _INET_SCTP_SCTP_STACK_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/netstack.h>
#ifdef __cplusplus
extern "C" {
#endif
/* SCTP kstat */
typedef struct sctp_kstat_s {
kstat_named_t sctp_add_faddr;
kstat_named_t sctp_add_timer;
kstat_named_t sctp_conn_create;
kstat_named_t sctp_find_next_tq;
kstat_named_t sctp_fr_add_hdr;
kstat_named_t sctp_fr_not_found;
kstat_named_t sctp_output_failed;
kstat_named_t sctp_rexmit_failed;
kstat_named_t sctp_send_init_failed;
kstat_named_t sctp_send_cookie_failed;
kstat_named_t sctp_send_cookie_ack_failed;
kstat_named_t sctp_send_err_failed;
kstat_named_t sctp_send_sack_failed;
kstat_named_t sctp_send_shutdown_failed;
kstat_named_t sctp_send_shutdown_ack_failed;
kstat_named_t sctp_send_shutdown_comp_failed;
kstat_named_t sctp_send_user_abort_failed;
kstat_named_t sctp_send_asconf_failed;
kstat_named_t sctp_send_asconf_ack_failed;
kstat_named_t sctp_send_ftsn_failed;
kstat_named_t sctp_send_hb_failed;
kstat_named_t sctp_return_hb_failed;
kstat_named_t sctp_ss_rexmit_failed;
kstat_named_t sctp_cl_connect;
kstat_named_t sctp_cl_assoc_change;
kstat_named_t sctp_cl_check_addrs;
} sctp_kstat_t;
#define SCTP_KSTAT(sctps, x) ((sctps)->sctps_statistics.x.value.ui64++)
/*
* SCTP stack instances
*/
struct sctp_stack {
netstack_t *sctps_netstack; /* Common netstack */
mib2_sctp_t sctps_mib;
/* Protected by sctps_g_q_lock */
queue_t *sctps_g_q;
uint_t sctps_g_q_ref; /* Number of sctp_t's that use it */
kmutex_t sctps_g_q_lock;
kcondvar_t sctps_g_q_cv;
kthread_t *sctps_g_q_creator;
struct __ldi_handle *sctps_g_q_lh;
cred_t *sctps_g_q_cr; /* For _inactive close call */
/* The default sctp_t for responding out of the blue packets. */
struct sctp_s *sctps_gsctp;
/* Protected by sctps_g_lock */
struct list sctps_g_list; /* SCTP instance data chain */
kmutex_t sctps_g_lock;
#define SCTP_NUM_EPRIV_PORTS 64
int sctps_g_num_epriv_ports;
uint16_t sctps_g_epriv_ports[SCTP_NUM_EPRIV_PORTS];
kmutex_t sctps_epriv_port_lock;
uint_t sctps_next_port_to_try;
mblk_t *sctps_pad_mp; /* pad unaligned data chunks */
/* SCTP bind hash list - all sctp_t with state >= BOUND. */
struct sctp_tf_s *sctps_bind_fanout;
/* SCTP listen hash list - all sctp_t with state == LISTEN. */
struct sctp_tf_s *sctps_listen_fanout;
struct sctp_tf_s *sctps_conn_fanout;
uint_t sctps_conn_hash_size;
/* Only modified during _init and _fini thus no locking is needed. */
caddr_t sctps_g_nd;
struct sctpparam_s *sctps_params;
struct sctpparam_s *sctps_wroff_xtra_param;
/* This lock protects the SCTP recvq_tq_list array and recvq_tq_list_cur_sz. */
kmutex_t sctps_rq_tq_lock;
int sctps_recvq_tq_list_max_sz;
taskq_t **sctps_recvq_tq_list;
/* Current number of recvq taskq. At least 1 for the default taskq. */
uint32_t sctps_recvq_tq_list_cur_sz;
uint32_t sctps_recvq_tq_list_cur;
/* Global list of SCTP ILLs */
struct sctp_ill_hash_s *sctps_g_ills;
uint32_t sctps_ills_count;
krwlock_t sctps_g_ills_lock;
/* Global list of SCTP IPIFs */
struct sctp_ipif_hash_s *sctps_g_ipifs;
uint32_t sctps_g_ipifs_count;
krwlock_t sctps_g_ipifs_lock;
/* kstat exporting sctp_mib data */
kstat_t *sctps_mibkp;
kstat_t *sctps_kstat;
sctp_kstat_t sctps_statistics;
};
typedef struct sctp_stack sctp_stack_t;
#ifdef __cplusplus
}
#endif
#endif /* _INET_SCTP_SCTP_STACK_H */
|
