xref: /illumos-gate/usr/src/lib/libipadm/common/libipadm_impl.h (revision 2e0fe3efe5f9d579d4e44b3532d8e342c68b40ca)
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  */
24 
25 #ifndef _LIBIPADM_IMPL_H
26 #define	_LIBIPADM_IMPL_H
27 
28 #ifdef	__cplusplus
29 extern "C" {
30 #endif
31 
32 #include <sys/socket.h>
33 #include <net/if.h>
34 #include <libipadm.h>
35 #include <libdladm.h>
36 #include <ipadm_ipmgmt.h>
37 #include <inet/tunables.h>
38 #include <netinet/in.h>
39 #include <pthread.h>
40 #include <libinetutil.h>
41 #include <libsocket_priv.h>
42 
43 #define	IPADM_STRSIZE		256
44 #define	IPADM_ONSTR		"on"
45 #define	IPADM_OFFSTR		"off"
46 #define	ARP_MOD_NAME		"arp"
47 #define	IPADM_LOGICAL_SEP	':'
48 #define	IPV6_MIN_MTU		1280	/* rfc2460 */
49 
50 /* mask for flags accepted by libipadm functions */
51 #define	IPADM_COMMON_OPT_MASK	(IPADM_OPT_ACTIVE | IPADM_OPT_PERSIST)
52 
53 /* Opaque library handle */
54 struct ipadm_handle {
55 	int		iph_sock;	/* socket to interface */
56 	int		iph_sock6;	/* socket to interface */
57 	int		iph_door_fd;	/* door descriptor to ipmgmtd */
58 	dladm_handle_t	iph_dlh;	/* handle to libdladm library */
59 	uint32_t	iph_flags;	/* internal flags */
60 	pthread_mutex_t	iph_lock;	/* lock to set door_fd */
61 };
62 
63 /*
64  * Indicates that the operation being invoked is in 'init' context. This is
65  * a library private flag.
66  */
67 #define	IPH_INIT	0x10000000
68 
69 struct ipadm_addrobj_s {
70 	char 			ipadm_ifname[LIFNAMSIZ];
71 	int32_t			ipadm_lifnum;
72 	char			ipadm_aobjname[IPADM_AOBJSIZ];
73 	ipadm_addr_type_t	ipadm_atype;
74 	uint32_t		ipadm_flags;
75 	sa_family_t		ipadm_af;
76 	union {
77 		struct {
78 			char			ipadm_ahname[MAXNAMELEN];
79 			struct sockaddr_storage	ipadm_addr;
80 			uint32_t		ipadm_prefixlen;
81 			char			ipadm_dhname[MAXNAMELEN];
82 			struct sockaddr_storage ipadm_dstaddr;
83 		} ipadm_static_addr_s;
84 		struct {
85 			struct sockaddr_in6	ipadm_intfid;
86 			uint32_t		ipadm_intfidlen;
87 			boolean_t		ipadm_stateless;
88 			boolean_t		ipadm_stateful;
89 		} ipadm_ipv6_intfid_s;
90 		struct {
91 			boolean_t		ipadm_primary;
92 			int32_t			ipadm_wait;
93 		} ipadm_dhcp_s;
94 	} ipadm_addr_u;
95 };
96 
97 #define	ipadm_static_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_addr
98 #define	ipadm_static_aname	ipadm_addr_u.ipadm_static_addr_s.ipadm_ahname
99 #define	ipadm_static_prefixlen	ipadm_addr_u.ipadm_static_addr_s.ipadm_prefixlen
100 #define	ipadm_static_dst_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_dstaddr
101 #define	ipadm_static_dname	ipadm_addr_u.ipadm_static_addr_s.ipadm_dhname
102 #define	ipadm_intfid		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfid
103 #define	ipadm_intfidlen		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfidlen
104 #define	ipadm_stateless		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateless
105 #define	ipadm_stateful		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateful
106 #define	ipadm_primary		ipadm_addr_u.ipadm_dhcp_s.ipadm_primary
107 #define	ipadm_wait		ipadm_addr_u.ipadm_dhcp_s.ipadm_wait
108 
109 /*
110  * Data structures and callback functions related to property management
111  */
112 struct ipadm_prop_desc;
113 typedef struct ipadm_prop_desc ipadm_prop_desc_t;
114 
115 /* property set() callback */
116 typedef ipadm_status_t	ipadm_pd_setf_t(ipadm_handle_t, const void *,
117     ipadm_prop_desc_t *, const void *, uint_t, uint_t);
118 
119 /* property get() callback */
120 typedef ipadm_status_t	ipadm_pd_getf_t(ipadm_handle_t, const void *,
121     ipadm_prop_desc_t *, char *, uint_t *, uint_t, uint_t);
122 
123 struct ipadm_prop_desc {
124 	char		*ipd_name;	/* property name */
125 	uint_t		ipd_class; 	/* prop. class - global/perif/both */
126 	uint_t		ipd_proto;	/* protocol to which property belongs */
127 	uint_t		ipd_flags;	/* see below */
128 	ipadm_pd_setf_t	*ipd_set;	/* set callback function */
129 	ipadm_pd_getf_t	*ipd_get_range;	/* get range callback function */
130 	ipadm_pd_getf_t	*ipd_get;	/* get value callback function */
131 };
132 
133 /* ipd_flags values */
134 #define	IPADMPROP_MULVAL	0x00000001	/* property multi-valued */
135 
136 extern ipadm_prop_desc_t	ipadm_addrprop_table[];
137 extern ipadm_pd_getf_t		i_ipadm_get_onoff;
138 
139 /* libipadm.c */
140 extern ipadm_status_t	i_ipadm_get_flags(ipadm_handle_t, const char *,
141 			    sa_family_t, uint64_t *);
142 extern ipadm_status_t	i_ipadm_set_flags(ipadm_handle_t, const char *,
143 			    sa_family_t, uint64_t, uint64_t);
144 extern ipadm_status_t	i_ipadm_init_ifs(ipadm_handle_t, const char *,
145 			    nvlist_t **);
146 extern ipadm_status_t	i_ipadm_init_ifobj(ipadm_handle_t, const char *,
147 			    nvlist_t *);
148 extern ipadm_status_t	i_ipadm_init_addrobj(ipadm_handle_t, nvlist_t *);
149 extern ipadm_status_t	i_ipadm_addr_persist(ipadm_handle_t,
150 			    const ipadm_addrobj_t, boolean_t, uint32_t);
151 extern ipadm_status_t	i_ipadm_delete_addr(ipadm_handle_t, ipadm_addrobj_t);
152 extern int		i_ipadm_strioctl(int, int, char *, int);
153 extern boolean_t	i_ipadm_is_loopback(const char *);
154 extern boolean_t	i_ipadm_is_vni(const char *);
155 extern boolean_t	i_ipadm_is_ipmp(ipadm_handle_t, const char *);
156 extern boolean_t	i_ipadm_is_under_ipmp(ipadm_handle_t, const char *);
157 extern boolean_t	i_ipadm_is_6to4(ipadm_handle_t, char *);
158 extern boolean_t	i_ipadm_validate_ifname(ipadm_handle_t, const char *);
159 extern ipadm_status_t	ipadm_errno2status(int);
160 extern int		ipadm_door_call(ipadm_handle_t, void *, size_t, void **,
161 			    size_t, boolean_t);
162 extern boolean_t 	ipadm_if_enabled(ipadm_handle_t, const char *,
163 			    sa_family_t);
164 
165 /* ipadm_ndpd.c */
166 extern	ipadm_status_t	i_ipadm_create_ipv6addrs(ipadm_handle_t,
167 			    ipadm_addrobj_t, uint32_t);
168 extern ipadm_status_t	i_ipadm_delete_ipv6addrs(ipadm_handle_t,
169 			    ipadm_addrobj_t);
170 extern ipadm_status_t	i_ipadm_disable_autoconf(const char *);
171 extern ipadm_status_t	i_ipadm_enable_autoconf(const char *);
172 
173 /* ipadm_persist.c */
174 extern ipadm_status_t	i_ipadm_add_ipaddr2nvl(nvlist_t *, ipadm_addrobj_t);
175 extern ipadm_status_t	i_ipadm_add_ip6addr2nvl(nvlist_t *, ipadm_addrobj_t);
176 extern ipadm_status_t	i_ipadm_add_intfid2nvl(nvlist_t *, ipadm_addrobj_t);
177 extern ipadm_status_t	i_ipadm_add_dhcp2nvl(nvlist_t *, boolean_t, int32_t);
178 
179 /* ipadm_prop.c */
180 extern ipadm_status_t	i_ipadm_persist_propval(ipadm_handle_t,
181 			    ipadm_prop_desc_t *, const char *, const void *,
182 			    uint_t);
183 extern ipadm_status_t	i_ipadm_get_persist_propval(ipadm_handle_t,
184 			    ipadm_prop_desc_t *, char *, uint_t *,
185 			    const void *);
186 
187 /* ipadm_addr.c */
188 extern void		i_ipadm_init_addr(ipadm_addrobj_t, const char *,
189 			    const char *, ipadm_addr_type_t);
190 extern ipadm_status_t	i_ipadm_merge_prefixlen_from_nvl(nvlist_t *, nvlist_t *,
191 			    const char *);
192 extern ipadm_status_t	i_ipadm_get_addrobj(ipadm_handle_t, ipadm_addrobj_t);
193 extern ipadm_status_t	i_ipadm_enable_static(ipadm_handle_t, const char *,
194 			    nvlist_t *, sa_family_t);
195 extern ipadm_status_t	i_ipadm_enable_dhcp(ipadm_handle_t, const char *,
196 			    nvlist_t *);
197 extern ipadm_status_t	i_ipadm_enable_addrconf(ipadm_handle_t, const char *,
198 			    nvlist_t *);
199 extern void		i_ipadm_addrobj2lifname(ipadm_addrobj_t, char *, int);
200 extern ipadm_status_t	i_ipadm_nvl2in6_addr(nvlist_t *, char *,
201 			    in6_addr_t *);
202 extern ipadm_status_t	i_ipadm_get_lif2addrobj(ipadm_handle_t,
203 			    ipadm_addrobj_t);
204 extern ipadm_status_t	i_ipadm_lookupadd_addrobj(ipadm_handle_t,
205 			    ipadm_addrobj_t);
206 extern ipadm_status_t	i_ipadm_setlifnum_addrobj(ipadm_handle_t,
207 			    ipadm_addrobj_t);
208 extern ipadm_status_t	i_ipadm_do_addif(ipadm_handle_t, ipadm_addrobj_t);
209 extern ipadm_status_t	i_ipadm_delete_addrobj(ipadm_handle_t,
210 			    const ipadm_addrobj_t, uint32_t);
211 extern boolean_t	i_ipadm_name2atype(const char *, sa_family_t *,
212 			    ipadm_addr_type_t *);
213 
214 /* ipadm_if.c */
215 extern ipadm_status_t	i_ipadm_create_if(ipadm_handle_t, char *,  sa_family_t,
216 			    uint32_t);
217 extern ipadm_status_t	i_ipadm_delete_if(ipadm_handle_t, const char *,
218 			    sa_family_t, uint32_t);
219 extern ipadm_status_t	i_ipadm_plumb_if(ipadm_handle_t, char *, sa_family_t,
220 			    uint32_t);
221 extern ipadm_status_t	i_ipadm_unplumb_if(ipadm_handle_t, const char *,
222 			    sa_family_t);
223 extern ipadm_status_t	i_ipadm_if_pexists(ipadm_handle_t, const char *,
224 			    sa_family_t, boolean_t *);
225 extern ipadm_status_t	i_ipadm_delete_ifobj(ipadm_handle_t, const char *,
226 			    sa_family_t, boolean_t);
227 extern int		i_ipadm_get_lnum(const char *);
228 
229 #ifdef	__cplusplus
230 }
231 #endif
232 
233 #endif	/* _LIBIPADM_IMPL_H */
234