1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24 /* Copyright (c) 1990 Mentat Inc. */
25
26 #ifndef _RAWIP_IMPL_H
27 #define _RAWIP_IMPL_H
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 #ifdef _KERNEL
34
35 #include <sys/types.h>
36 #include <sys/netstack.h>
37
38 #include <netinet/in.h>
39 #include <netinet/icmp6.h>
40 #include <netinet/ip6.h>
41
42 #include <inet/common.h>
43 #include <inet/ip.h>
44 #include <inet/optcom.h>
45 #include <inet/tunables.h>
46
47 /*
48 * ICMP stack instances
49 */
50 struct icmp_stack {
51 netstack_t *is_netstack; /* Common netstack */
52 void *is_head; /* Head for list of open icmps */
53 mod_prop_info_t *is_propinfo_tbl; /* holds the icmp tunables */
54 kstat_t *is_ksp; /* kstats */
55 mib2_rawip_t is_rawip_mib; /* SNMP fixed size info */
56 ldi_ident_t is_ldi_ident;
57 };
58
59 typedef struct icmp_stack icmp_stack_t;
60
61 /* Internal icmp control structure, one per open stream */
62 typedef struct icmp_s {
63 /*
64 * The addresses and ports in the conn_t and icmp_state are protected by
65 * conn_lock. conn_lock also protects the content of icmp_t.
66 */
67 uint_t icmp_state; /* TPI state */
68
69 /* Written to only once at the time of opening the endpoint */
70 conn_t *icmp_connp;
71
72 uint_t
73 icmp_hdrincl : 1, /* IP_HDRINCL option + RAW and IGMP */
74
75 icmp_pad_to_bit_31: 31;
76
77 icmp6_filter_t *icmp_filter; /* ICMP6_FILTER option */
78
79 /* Set at open time and never changed */
80 icmp_stack_t *icmp_is; /* Stack instance */
81
82 int icmp_delayed_error;
83 kmutex_t icmp_recv_lock;
84 mblk_t *icmp_fallback_queue_head;
85 mblk_t *icmp_fallback_queue_tail;
86 struct sockaddr_storage icmp_delayed_addr;
87 } icmp_t;
88
89 /*
90 * Object to represent database of options to search passed to
91 * {sock,tpi}optcom_req() interface routine to take care of option
92 * management and associated methods.
93 */
94 extern optdb_obj_t icmp_opt_obj;
95 extern uint_t icmp_max_optsize;
96
97 extern int icmp_opt_default(queue_t *, t_scalar_t, t_scalar_t, uchar_t *);
98 extern int icmp_tpi_opt_get(queue_t *, t_scalar_t, t_scalar_t, uchar_t *);
99 extern int icmp_tpi_opt_set(queue_t *, uint_t, int, int, uint_t, uchar_t *,
100 uint_t *, uchar_t *, void *, cred_t *);
101 extern mblk_t *icmp_snmp_get(queue_t *q, mblk_t *mpctl);
102
103 extern void icmp_ddi_g_init(void);
104 extern void icmp_ddi_g_destroy(void);
105
106 extern sock_lower_handle_t rawip_create(int, int, int, sock_downcalls_t **,
107 uint_t *, int *, int, cred_t *);
108 extern int rawip_fallback(sock_lower_handle_t, queue_t *, boolean_t,
109 so_proto_quiesced_cb_t, sock_quiesce_arg_t *);
110
111 extern sock_downcalls_t sock_rawip_downcalls;
112
113 #endif /* _KERNEL */
114
115 #ifdef __cplusplus
116 }
117 #endif
118
119 #endif /* _RAWIP_IMPL_H */