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) 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2013 by Delphix. All rights reserved.
24 * Copyright (c) 2014 Nexenta Systems, Inc. All rights reserved.
25 */
26
27 #ifndef _LIBIPADM_IMPL_H
28 #define _LIBIPADM_IMPL_H
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 #include <sys/socket.h>
35 #include <sys/list.h>
36 #include <net/if.h>
37 #include <libipadm.h>
38 #include <libdladm.h>
39 #include <ipadm_ipmgmt.h>
40 #include <inet/tunables.h>
41 #include <netinet/in.h>
42 #include <pthread.h>
43 #include <libinetutil.h>
44 #include <libsocket_priv.h>
45
46 #define IPADM_STRSIZE 256
47 #define IPADM_ONSTR "on"
48 #define IPADM_OFFSTR "off"
49 #define ARP_MOD_NAME "arp"
50 #define IPADM_LOGICAL_SEP ':'
51 #define IPV6_MIN_MTU 1280 /* rfc2460 */
52
53 /* mask for flags accepted by libipadm functions */
54 #define IPADM_COMMON_OPT_MASK (IPADM_OPT_ACTIVE | IPADM_OPT_PERSIST)
55
56 typedef enum {
57 IPADM_ADD_IPMP_MEMBER,
58 IPADM_REMOVE_IPMP_MEMBER
59 } ipadm_ipmp_operation_t;
60
61 /* Opaque library handle */
62 struct ipadm_handle {
63 int iph_sock; /* socket to interface */
64 int iph_sock6; /* socket to interface */
65 int iph_door_fd; /* door descriptor to ipmgmtd */
66 int iph_rtsock; /* routing socket */
67 dladm_handle_t iph_dlh; /* handle to libdladm library */
68 uint32_t iph_flags; /* internal flags */
69 pthread_mutex_t iph_lock; /* lock to set door_fd */
70 zoneid_t iph_zoneid; /* zoneid where handle was opened */
71 };
72
73 struct ipadm_addrobj_s {
74 char ipadm_ifname[LIFNAMSIZ];
75 int32_t ipadm_lifnum;
76 char ipadm_aobjname[IPADM_AOBJSIZ];
77 ipadm_addr_type_t ipadm_atype;
78 uint32_t ipadm_flags;
79 sa_family_t ipadm_af;
80 union {
81 struct {
82 char ipadm_ahname[MAXNAMELEN];
83 struct sockaddr_storage ipadm_addr;
84 uint32_t ipadm_prefixlen;
85 char ipadm_dhname[MAXNAMELEN];
86 struct sockaddr_storage ipadm_dstaddr;
87 } ipadm_static_addr_s;
88 struct {
89 struct sockaddr_in6 ipadm_intfid;
90 uint32_t ipadm_intfidlen;
91 boolean_t ipadm_stateless;
92 boolean_t ipadm_stateful;
93 } ipadm_ipv6_intfid_s;
94 struct {
95 boolean_t ipadm_primary;
96 int32_t ipadm_wait;
97 } ipadm_dhcp_s;
98 } ipadm_addr_u;
99 };
100
101 #define ipadm_static_addr ipadm_addr_u.ipadm_static_addr_s.ipadm_addr
102 #define ipadm_static_aname ipadm_addr_u.ipadm_static_addr_s.ipadm_ahname
103 #define ipadm_static_prefixlen ipadm_addr_u.ipadm_static_addr_s.ipadm_prefixlen
104 #define ipadm_static_dst_addr ipadm_addr_u.ipadm_static_addr_s.ipadm_dstaddr
105 #define ipadm_static_dname ipadm_addr_u.ipadm_static_addr_s.ipadm_dhname
106 #define ipadm_intfid ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfid
107 #define ipadm_intfidlen ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfidlen
108 #define ipadm_stateless ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateless
109 #define ipadm_stateful ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateful
110 #define ipadm_primary ipadm_addr_u.ipadm_dhcp_s.ipadm_primary
111 #define ipadm_wait ipadm_addr_u.ipadm_dhcp_s.ipadm_wait
112
113 /*
114 * Data structures and callback functions related to property management
115 */
116 struct ipadm_prop_desc;
117 typedef struct ipadm_prop_desc ipadm_prop_desc_t;
118
119 /* property set() callback */
120 typedef ipadm_status_t ipadm_pd_setf_t(ipadm_handle_t, const void *,
121 ipadm_prop_desc_t *, const void *, uint_t, uint_t);
122
123 /* property get() callback */
124 typedef ipadm_status_t ipadm_pd_getf_t(ipadm_handle_t, const void *,
125 ipadm_prop_desc_t *, char *, uint_t *, uint_t, uint_t);
126
127 struct ipadm_prop_desc {
128 char *ipd_name; /* property name */
129 char *ipd_old_name; /* for backward compatibility */
130 uint_t ipd_class; /* prop. class - global/perif/both */
131 uint_t ipd_proto; /* protocol to which property belongs */
132 uint_t ipd_flags; /* see below */
133 ipadm_pd_setf_t *ipd_set; /* set callback function */
134 ipadm_pd_getf_t *ipd_get_range; /* get range callback function */
135 ipadm_pd_getf_t *ipd_get; /* get value callback function */
136 };
137
138 /* ipd_flags values */
139 #define IPADMPROP_MULVAL 0x00000001 /* property multi-valued */
140
141 extern ipadm_prop_desc_t ipadm_addrprop_table[];
142 extern ipadm_pd_getf_t i_ipadm_get_onoff;
143
144 /* libipadm.c */
145 extern ipadm_status_t i_ipadm_get_flags(ipadm_handle_t, const char *,
146 sa_family_t, uint64_t *);
147 extern ipadm_status_t i_ipadm_set_flags(ipadm_handle_t, const char *,
148 sa_family_t, uint64_t, uint64_t);
149 extern ipadm_status_t i_ipadm_init_ifs(ipadm_handle_t, const char *,
150 nvlist_t **);
151 extern ipadm_status_t i_ipadm_init_ifobj(ipadm_handle_t, const char *,
152 nvlist_t *);
153 extern ipadm_status_t i_ipadm_init_addrobj(ipadm_handle_t, nvlist_t *);
154 extern ipadm_status_t i_ipadm_addr_persist(ipadm_handle_t,
155 const ipadm_addrobj_t, boolean_t, uint32_t);
156 extern ipadm_status_t i_ipadm_delete_addr(ipadm_handle_t, ipadm_addrobj_t);
157 extern int i_ipadm_strioctl(int, int, char *, int);
158 extern boolean_t i_ipadm_is_loopback(const char *);
159 extern boolean_t i_ipadm_is_vni(const char *);
160 extern boolean_t i_ipadm_is_6to4(ipadm_handle_t, char *);
161 extern boolean_t i_ipadm_validate_ifname(ipadm_handle_t, const char *);
162 extern ipadm_status_t ipadm_errno2status(int);
163 extern int ipadm_door_call(ipadm_handle_t, void *, size_t, void **,
164 size_t, boolean_t);
165 extern boolean_t ipadm_if_enabled(ipadm_handle_t, const char *,
166 sa_family_t);
167 extern ipadm_status_t i_ipadm_call_ipmgmtd(ipadm_handle_t, void *,
168 size_t, nvlist_t **);
169
170 /* ipadm_ndpd.c */
171 extern ipadm_status_t i_ipadm_create_ipv6addrs(ipadm_handle_t,
172 ipadm_addrobj_t, uint32_t);
173 extern ipadm_status_t i_ipadm_delete_ipv6addrs(ipadm_handle_t,
174 ipadm_addrobj_t);
175 extern ipadm_status_t i_ipadm_disable_autoconf(const char *);
176 extern ipadm_status_t i_ipadm_enable_autoconf(const char *);
177
178 /* ipadm_persist.c */
179 extern ipadm_status_t i_ipadm_add_ipaddr2nvl(nvlist_t *, ipadm_addrobj_t);
180 extern ipadm_status_t i_ipadm_add_ip6addr2nvl(nvlist_t *, ipadm_addrobj_t);
181 extern ipadm_status_t i_ipadm_add_intfid2nvl(nvlist_t *, ipadm_addrobj_t);
182 extern ipadm_status_t i_ipadm_add_dhcp2nvl(nvlist_t *, boolean_t, int32_t);
183
184 /* ipadm_prop.c */
185 extern ipadm_status_t i_ipadm_persist_propval(ipadm_handle_t,
186 ipadm_prop_desc_t *, const char *, const void *,
187 uint_t);
188 extern ipadm_status_t i_ipadm_get_persist_propval(ipadm_handle_t,
189 ipadm_prop_desc_t *, char *, uint_t *,
190 const void *);
191
192 /* ipadm_addr.c */
193 extern void i_ipadm_init_addr(ipadm_addrobj_t, const char *,
194 const char *, ipadm_addr_type_t);
195 extern ipadm_status_t i_ipadm_merge_prefixlen_from_nvl(nvlist_t *, nvlist_t *,
196 const char *);
197 extern ipadm_status_t i_ipadm_get_addrobj(ipadm_handle_t, ipadm_addrobj_t);
198 extern ipadm_status_t i_ipadm_enable_static(ipadm_handle_t, const char *,
199 nvlist_t *, sa_family_t);
200 extern ipadm_status_t i_ipadm_enable_dhcp(ipadm_handle_t, const char *,
201 nvlist_t *);
202 extern ipadm_status_t i_ipadm_enable_addrconf(ipadm_handle_t, const char *,
203 nvlist_t *);
204 extern void i_ipadm_addrobj2lifname(ipadm_addrobj_t, char *, int);
205 extern ipadm_status_t i_ipadm_nvl2in6_addr(nvlist_t *, char *,
206 in6_addr_t *);
207 extern ipadm_status_t i_ipadm_get_lif2addrobj(ipadm_handle_t,
208 ipadm_addrobj_t);
209 extern ipadm_status_t i_ipadm_lookupadd_addrobj(ipadm_handle_t,
210 ipadm_addrobj_t);
211 extern ipadm_status_t i_ipadm_setlifnum_addrobj(ipadm_handle_t,
212 ipadm_addrobj_t);
213 extern ipadm_status_t i_ipadm_do_addif(ipadm_handle_t, ipadm_addrobj_t);
214 extern ipadm_status_t i_ipadm_delete_addrobj(ipadm_handle_t,
215 const ipadm_addrobj_t, uint32_t);
216 extern boolean_t i_ipadm_name2atype(const char *, sa_family_t *,
217 ipadm_addr_type_t *);
218 extern ipadm_status_t i_ipadm_resolve_addr(const char *, sa_family_t,
219 struct sockaddr_storage *);
220
221 /* ipadm_if.c */
222 extern ipadm_status_t i_ipadm_create_if(ipadm_handle_t, char *, sa_family_t,
223 uint32_t);
224 extern ipadm_status_t i_ipadm_delete_if(ipadm_handle_t, const char *,
225 sa_family_t, uint32_t);
226 extern ipadm_status_t i_ipadm_plumb_if(ipadm_handle_t, char *, sa_family_t,
227 uint32_t);
228 extern ipadm_status_t i_ipadm_unplumb_if(ipadm_handle_t, const char *,
229 sa_family_t);
230 extern ipadm_status_t i_ipadm_if_pexists(ipadm_handle_t, const char *,
231 sa_family_t, boolean_t *);
232 extern ipadm_status_t i_ipadm_delete_ifobj(ipadm_handle_t, const char *,
233 sa_family_t, boolean_t);
234 extern int i_ipadm_get_lnum(const char *);
235
236 extern ipadm_status_t i_ipadm_set_groupname_active(ipadm_handle_t,
237 const char *, const char *);
238 extern ipadm_status_t i_ipadm_get_groupname_active(ipadm_handle_t,
239 const char *, char *, size_t);
240 extern boolean_t i_ipadm_is_under_ipmp(ipadm_handle_t, const char *);
241 extern boolean_t i_ipadm_is_ipmp(ipadm_handle_t, const char *);
242 #ifdef __cplusplus
243 }
244 #endif
245
246 #endif /* _LIBIPADM_IMPL_H */