xref: /titanic_44/usr/src/lib/libipadm/common/libipadm_impl.h (revision a60349c89adffc0902b2353230891d8e7f2b24d9)
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  */
25 
26 #ifndef _LIBIPADM_IMPL_H
27 #define	_LIBIPADM_IMPL_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #include <sys/socket.h>
34 #include <net/if.h>
35 #include <libipadm.h>
36 #include <libdladm.h>
37 #include <ipadm_ipmgmt.h>
38 #include <inet/tunables.h>
39 #include <netinet/in.h>
40 #include <pthread.h>
41 #include <libinetutil.h>
42 #include <libsocket_priv.h>
43 
44 #define	IPADM_STRSIZE		256
45 #define	IPADM_ONSTR		"on"
46 #define	IPADM_OFFSTR		"off"
47 #define	ARP_MOD_NAME		"arp"
48 #define	IPADM_LOGICAL_SEP	':'
49 #define	IPV6_MIN_MTU		1280	/* rfc2460 */
50 
51 /* mask for flags accepted by libipadm functions */
52 #define	IPADM_COMMON_OPT_MASK	(IPADM_OPT_ACTIVE | IPADM_OPT_PERSIST)
53 
54 /* Opaque library handle */
55 struct ipadm_handle {
56 	int		iph_sock;	/* socket to interface */
57 	int		iph_sock6;	/* socket to interface */
58 	int		iph_door_fd;	/* door descriptor to ipmgmtd */
59 	int		iph_rtsock;	/* routing socket */
60 	dladm_handle_t	iph_dlh;	/* handle to libdladm library */
61 	uint32_t	iph_flags;	/* internal flags */
62 	pthread_mutex_t	iph_lock;	/* lock to set door_fd */
63 	zoneid_t	iph_zoneid;	/* zoneid where handle was opened */
64 };
65 
66 struct ipadm_addrobj_s {
67 	char 			ipadm_ifname[LIFNAMSIZ];
68 	int32_t			ipadm_lifnum;
69 	char			ipadm_aobjname[IPADM_AOBJSIZ];
70 	ipadm_addr_type_t	ipadm_atype;
71 	uint32_t		ipadm_flags;
72 	sa_family_t		ipadm_af;
73 	union {
74 		struct {
75 			char			ipadm_ahname[MAXNAMELEN];
76 			struct sockaddr_storage	ipadm_addr;
77 			uint32_t		ipadm_prefixlen;
78 			char			ipadm_dhname[MAXNAMELEN];
79 			struct sockaddr_storage ipadm_dstaddr;
80 		} ipadm_static_addr_s;
81 		struct {
82 			struct sockaddr_in6	ipadm_intfid;
83 			uint32_t		ipadm_intfidlen;
84 			boolean_t		ipadm_stateless;
85 			boolean_t		ipadm_stateful;
86 		} ipadm_ipv6_intfid_s;
87 		struct {
88 			boolean_t		ipadm_primary;
89 			int32_t			ipadm_wait;
90 		} ipadm_dhcp_s;
91 	} ipadm_addr_u;
92 };
93 
94 #define	ipadm_static_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_addr
95 #define	ipadm_static_aname	ipadm_addr_u.ipadm_static_addr_s.ipadm_ahname
96 #define	ipadm_static_prefixlen	ipadm_addr_u.ipadm_static_addr_s.ipadm_prefixlen
97 #define	ipadm_static_dst_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_dstaddr
98 #define	ipadm_static_dname	ipadm_addr_u.ipadm_static_addr_s.ipadm_dhname
99 #define	ipadm_intfid		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfid
100 #define	ipadm_intfidlen		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfidlen
101 #define	ipadm_stateless		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateless
102 #define	ipadm_stateful		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateful
103 #define	ipadm_primary		ipadm_addr_u.ipadm_dhcp_s.ipadm_primary
104 #define	ipadm_wait		ipadm_addr_u.ipadm_dhcp_s.ipadm_wait
105 
106 /*
107  * Data structures and callback functions related to property management
108  */
109 struct ipadm_prop_desc;
110 typedef struct ipadm_prop_desc ipadm_prop_desc_t;
111 
112 /* property set() callback */
113 typedef ipadm_status_t	ipadm_pd_setf_t(ipadm_handle_t, const void *,
114     ipadm_prop_desc_t *, const void *, uint_t, uint_t);
115 
116 /* property get() callback */
117 typedef ipadm_status_t	ipadm_pd_getf_t(ipadm_handle_t, const void *,
118     ipadm_prop_desc_t *, char *, uint_t *, uint_t, uint_t);
119 
120 struct ipadm_prop_desc {
121 	char		*ipd_name;	/* property name */
122 	char		*ipd_old_name;	/* for backward compatibility */
123 	uint_t		ipd_class;	/* prop. class - global/perif/both */
124 	uint_t		ipd_proto;	/* protocol to which property belongs */
125 	uint_t		ipd_flags;	/* see below */
126 	ipadm_pd_setf_t	*ipd_set;	/* set callback function */
127 	ipadm_pd_getf_t	*ipd_get_range;	/* get range callback function */
128 	ipadm_pd_getf_t	*ipd_get;	/* get value callback function */
129 };
130 
131 /* ipd_flags values */
132 #define	IPADMPROP_MULVAL	0x00000001	/* property multi-valued */
133 
134 extern ipadm_prop_desc_t	ipadm_addrprop_table[];
135 extern ipadm_pd_getf_t		i_ipadm_get_onoff;
136 
137 /* libipadm.c */
138 extern ipadm_status_t	i_ipadm_get_flags(ipadm_handle_t, const char *,
139 			    sa_family_t, uint64_t *);
140 extern ipadm_status_t	i_ipadm_set_flags(ipadm_handle_t, const char *,
141 			    sa_family_t, uint64_t, uint64_t);
142 extern ipadm_status_t	i_ipadm_init_ifs(ipadm_handle_t, const char *,
143 			    nvlist_t **);
144 extern ipadm_status_t	i_ipadm_init_ifobj(ipadm_handle_t, const char *,
145 			    nvlist_t *);
146 extern ipadm_status_t	i_ipadm_init_addrobj(ipadm_handle_t, nvlist_t *);
147 extern ipadm_status_t	i_ipadm_addr_persist(ipadm_handle_t,
148 			    const ipadm_addrobj_t, boolean_t, uint32_t);
149 extern ipadm_status_t	i_ipadm_delete_addr(ipadm_handle_t, ipadm_addrobj_t);
150 extern int		i_ipadm_strioctl(int, int, char *, int);
151 extern boolean_t	i_ipadm_is_loopback(const char *);
152 extern boolean_t	i_ipadm_is_vni(const char *);
153 extern boolean_t	i_ipadm_is_ipmp(ipadm_handle_t, const char *);
154 extern boolean_t	i_ipadm_is_under_ipmp(ipadm_handle_t, const char *);
155 extern boolean_t	i_ipadm_is_6to4(ipadm_handle_t, char *);
156 extern boolean_t	i_ipadm_validate_ifname(ipadm_handle_t, const char *);
157 extern ipadm_status_t	ipadm_errno2status(int);
158 extern int		ipadm_door_call(ipadm_handle_t, void *, size_t, void **,
159 			    size_t, boolean_t);
160 extern boolean_t 	ipadm_if_enabled(ipadm_handle_t, const char *,
161 			    sa_family_t);
162 
163 /* ipadm_ndpd.c */
164 extern	ipadm_status_t	i_ipadm_create_ipv6addrs(ipadm_handle_t,
165 			    ipadm_addrobj_t, uint32_t);
166 extern ipadm_status_t	i_ipadm_delete_ipv6addrs(ipadm_handle_t,
167 			    ipadm_addrobj_t);
168 extern ipadm_status_t	i_ipadm_disable_autoconf(const char *);
169 extern ipadm_status_t	i_ipadm_enable_autoconf(const char *);
170 
171 /* ipadm_persist.c */
172 extern ipadm_status_t	i_ipadm_add_ipaddr2nvl(nvlist_t *, ipadm_addrobj_t);
173 extern ipadm_status_t	i_ipadm_add_ip6addr2nvl(nvlist_t *, ipadm_addrobj_t);
174 extern ipadm_status_t	i_ipadm_add_intfid2nvl(nvlist_t *, ipadm_addrobj_t);
175 extern ipadm_status_t	i_ipadm_add_dhcp2nvl(nvlist_t *, boolean_t, int32_t);
176 
177 /* ipadm_prop.c */
178 extern ipadm_status_t	i_ipadm_persist_propval(ipadm_handle_t,
179 			    ipadm_prop_desc_t *, const char *, const void *,
180 			    uint_t);
181 extern ipadm_status_t	i_ipadm_get_persist_propval(ipadm_handle_t,
182 			    ipadm_prop_desc_t *, char *, uint_t *,
183 			    const void *);
184 
185 /* ipadm_addr.c */
186 extern void		i_ipadm_init_addr(ipadm_addrobj_t, const char *,
187 			    const char *, ipadm_addr_type_t);
188 extern ipadm_status_t	i_ipadm_merge_prefixlen_from_nvl(nvlist_t *, nvlist_t *,
189 			    const char *);
190 extern ipadm_status_t	i_ipadm_get_addrobj(ipadm_handle_t, ipadm_addrobj_t);
191 extern ipadm_status_t	i_ipadm_enable_static(ipadm_handle_t, const char *,
192 			    nvlist_t *, sa_family_t);
193 extern ipadm_status_t	i_ipadm_enable_dhcp(ipadm_handle_t, const char *,
194 			    nvlist_t *);
195 extern ipadm_status_t	i_ipadm_enable_addrconf(ipadm_handle_t, const char *,
196 			    nvlist_t *);
197 extern void		i_ipadm_addrobj2lifname(ipadm_addrobj_t, char *, int);
198 extern ipadm_status_t	i_ipadm_nvl2in6_addr(nvlist_t *, char *,
199 			    in6_addr_t *);
200 extern ipadm_status_t	i_ipadm_get_lif2addrobj(ipadm_handle_t,
201 			    ipadm_addrobj_t);
202 extern ipadm_status_t	i_ipadm_lookupadd_addrobj(ipadm_handle_t,
203 			    ipadm_addrobj_t);
204 extern ipadm_status_t	i_ipadm_setlifnum_addrobj(ipadm_handle_t,
205 			    ipadm_addrobj_t);
206 extern ipadm_status_t	i_ipadm_do_addif(ipadm_handle_t, ipadm_addrobj_t);
207 extern ipadm_status_t	i_ipadm_delete_addrobj(ipadm_handle_t,
208 			    const ipadm_addrobj_t, uint32_t);
209 extern boolean_t	i_ipadm_name2atype(const char *, sa_family_t *,
210 			    ipadm_addr_type_t *);
211 extern ipadm_status_t	i_ipadm_resolve_addr(const char *, sa_family_t,
212 			    struct sockaddr_storage *);
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