xref: /illumos-gate/usr/src/lib/libipadm/common/libipadm_impl.h (revision 94ddd0900a8838f62bba15e270649a42f4ef9f81)
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) 2016, Chris Fraire <cfraire@me.com>.
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 <net/if.h>
36 #include <libipadm.h>
37 #include <libdladm.h>
38 #include <ipadm_ipmgmt.h>
39 #include <inet/tunables.h>
40 #include <netinet/in.h>
41 #include <pthread.h>
42 #include <libinetutil.h>
43 #include <libsocket_priv.h>
44 
45 #define	IPADM_STRSIZE		256
46 #define	IPADM_ONSTR		"on"
47 #define	IPADM_OFFSTR		"off"
48 #define	ARP_MOD_NAME		"arp"
49 #define	IPADM_LOGICAL_SEP	':'
50 #define	IPV6_MIN_MTU		1280	/* rfc2460 */
51 
52 /* mask for flags accepted by libipadm functions */
53 #define	IPADM_COMMON_OPT_MASK	(IPADM_OPT_ACTIVE | IPADM_OPT_PERSIST)
54 
55 /* Opaque library handle */
56 struct ipadm_handle {
57 	int		iph_sock;	/* socket to interface */
58 	int		iph_sock6;	/* socket to interface */
59 	int		iph_door_fd;	/* door descriptor to ipmgmtd */
60 	int		iph_rtsock;	/* routing socket */
61 	dladm_handle_t	iph_dlh;	/* handle to libdladm library */
62 	uint32_t	iph_flags;	/* internal flags */
63 	pthread_mutex_t	iph_lock;	/* lock to set door_fd */
64 	zoneid_t	iph_zoneid;	/* zoneid where handle was opened */
65 };
66 
67 struct ipadm_addrobj_s {
68 	char 			ipadm_ifname[LIFNAMSIZ];
69 	int32_t			ipadm_lifnum;
70 	char			ipadm_aobjname[IPADM_AOBJSIZ];
71 	ipadm_addr_type_t	ipadm_atype;
72 	uint32_t		ipadm_flags;
73 	sa_family_t		ipadm_af;
74 	union {
75 		struct {
76 			char			ipadm_ahname[MAXNAMELEN];
77 			struct sockaddr_storage	ipadm_addr;
78 			uint32_t		ipadm_prefixlen;
79 			char			ipadm_dhname[MAXNAMELEN];
80 			struct sockaddr_storage ipadm_dstaddr;
81 		} ipadm_static_addr_s;
82 		struct {
83 			struct sockaddr_in6	ipadm_intfid;
84 			uint32_t		ipadm_intfidlen;
85 			boolean_t		ipadm_stateless;
86 			boolean_t		ipadm_stateful;
87 		} ipadm_ipv6_intfid_s;
88 		struct {
89 			boolean_t		ipadm_primary;
90 			int32_t			ipadm_wait;
91 			char			ipadm_reqhost[MAXNAMELEN];
92 		} ipadm_dhcp_s;
93 	} ipadm_addr_u;
94 };
95 
96 #define	ipadm_static_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_addr
97 #define	ipadm_static_aname	ipadm_addr_u.ipadm_static_addr_s.ipadm_ahname
98 #define	ipadm_static_prefixlen	ipadm_addr_u.ipadm_static_addr_s.ipadm_prefixlen
99 #define	ipadm_static_dst_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_dstaddr
100 #define	ipadm_static_dname	ipadm_addr_u.ipadm_static_addr_s.ipadm_dhname
101 #define	ipadm_intfid		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfid
102 #define	ipadm_intfidlen		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfidlen
103 #define	ipadm_stateless		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateless
104 #define	ipadm_stateful		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateful
105 #define	ipadm_primary		ipadm_addr_u.ipadm_dhcp_s.ipadm_primary
106 #define	ipadm_wait		ipadm_addr_u.ipadm_dhcp_s.ipadm_wait
107 #define	ipadm_reqhost	ipadm_addr_u.ipadm_dhcp_s.ipadm_reqhost
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 	char		*ipd_old_name;	/* for backward compatibility */
126 	uint_t		ipd_class;	/* prop. class - global/perif/both */
127 	uint_t		ipd_proto;	/* protocol to which property belongs */
128 	uint_t		ipd_flags;	/* see below */
129 	ipadm_pd_setf_t	*ipd_set;	/* set callback function */
130 	ipadm_pd_getf_t	*ipd_get_range;	/* get range callback function */
131 	ipadm_pd_getf_t	*ipd_get;	/* get value callback function */
132 };
133 
134 /* ipd_flags values */
135 #define	IPADMPROP_MULVAL	0x00000001	/* property multi-valued */
136 
137 extern ipadm_prop_desc_t	ipadm_addrprop_table[];
138 extern ipadm_pd_getf_t		i_ipadm_get_onoff;
139 
140 /* libipadm.c */
141 extern ipadm_status_t	i_ipadm_get_flags(ipadm_handle_t, const char *,
142 			    sa_family_t, uint64_t *);
143 extern ipadm_status_t	i_ipadm_set_flags(ipadm_handle_t, const char *,
144 			    sa_family_t, uint64_t, uint64_t);
145 extern ipadm_status_t	i_ipadm_init_ifs(ipadm_handle_t, const char *,
146 			    nvlist_t **);
147 extern ipadm_status_t	i_ipadm_init_ifobj(ipadm_handle_t, const char *,
148 			    nvlist_t *);
149 extern ipadm_status_t	i_ipadm_init_addrobj(ipadm_handle_t, nvlist_t *);
150 extern ipadm_status_t	i_ipadm_addr_persist(ipadm_handle_t,
151 			    const ipadm_addrobj_t, boolean_t, uint32_t,
152 			    const char *);
153 extern ipadm_status_t	i_ipadm_delete_addr(ipadm_handle_t, ipadm_addrobj_t);
154 extern int		i_ipadm_strioctl(int, int, char *, int);
155 extern boolean_t	i_ipadm_is_loopback(const char *);
156 extern boolean_t	i_ipadm_is_vni(const char *);
157 extern boolean_t	i_ipadm_is_ipmp(ipadm_handle_t, const char *);
158 extern boolean_t	i_ipadm_is_under_ipmp(ipadm_handle_t, const char *);
159 extern boolean_t	i_ipadm_is_6to4(ipadm_handle_t, char *);
160 extern boolean_t	i_ipadm_validate_ifname(ipadm_handle_t, const char *);
161 extern ipadm_status_t	ipadm_errno2status(int);
162 extern int		ipadm_door_call(ipadm_handle_t, void *, size_t, void **,
163 			    size_t, boolean_t);
164 extern boolean_t 	ipadm_if_enabled(ipadm_handle_t, const char *,
165 			    sa_family_t);
166 
167 /* ipadm_ndpd.c */
168 extern	ipadm_status_t	i_ipadm_create_ipv6addrs(ipadm_handle_t,
169 			    ipadm_addrobj_t, uint32_t);
170 extern ipadm_status_t	i_ipadm_delete_ipv6addrs(ipadm_handle_t,
171 			    ipadm_addrobj_t);
172 extern ipadm_status_t	i_ipadm_disable_autoconf(const char *);
173 extern ipadm_status_t	i_ipadm_enable_autoconf(const char *);
174 
175 /* ipadm_persist.c */
176 extern ipadm_status_t	i_ipadm_add_ipaddr2nvl(nvlist_t *, ipadm_addrobj_t);
177 extern ipadm_status_t	i_ipadm_add_ip6addr2nvl(nvlist_t *, ipadm_addrobj_t);
178 extern ipadm_status_t	i_ipadm_add_intfid2nvl(nvlist_t *, ipadm_addrobj_t);
179 extern ipadm_status_t	i_ipadm_add_dhcp2nvl(nvlist_t *, boolean_t, int32_t);
180 
181 /* ipadm_prop.c */
182 extern ipadm_status_t	i_ipadm_persist_propval(ipadm_handle_t,
183 			    ipadm_prop_desc_t *, const char *, const void *,
184 			    uint_t);
185 extern ipadm_status_t	i_ipadm_get_persist_propval(ipadm_handle_t,
186 			    ipadm_prop_desc_t *, char *, uint_t *,
187 			    const void *);
188 
189 /* ipadm_addr.c */
190 extern void		i_ipadm_init_addr(ipadm_addrobj_t, const char *,
191 			    const char *, ipadm_addr_type_t);
192 extern ipadm_status_t	i_ipadm_merge_addrprops_from_nvl(nvlist_t *, nvlist_t *,
193 			    const char *);
194 extern ipadm_status_t	i_ipadm_get_addrobj(ipadm_handle_t, ipadm_addrobj_t);
195 extern ipadm_status_t	i_ipadm_enable_static(ipadm_handle_t, const char *,
196 			    nvlist_t *, sa_family_t);
197 extern ipadm_status_t	i_ipadm_enable_dhcp(ipadm_handle_t, const char *,
198 			    nvlist_t *);
199 extern ipadm_status_t	i_ipadm_enable_addrconf(ipadm_handle_t, const char *,
200 			    nvlist_t *);
201 extern void		i_ipadm_addrobj2lifname(ipadm_addrobj_t, char *, int);
202 extern ipadm_status_t	i_ipadm_nvl2in6_addr(nvlist_t *, char *,
203 			    in6_addr_t *);
204 extern ipadm_status_t	i_ipadm_get_lif2addrobj(ipadm_handle_t,
205 			    ipadm_addrobj_t);
206 extern ipadm_status_t	i_ipadm_lookupadd_addrobj(ipadm_handle_t,
207 			    ipadm_addrobj_t);
208 extern ipadm_status_t	i_ipadm_setlifnum_addrobj(ipadm_handle_t,
209 			    ipadm_addrobj_t);
210 extern ipadm_status_t	i_ipadm_do_addif(ipadm_handle_t, ipadm_addrobj_t);
211 extern ipadm_status_t	i_ipadm_delete_addrobj(ipadm_handle_t,
212 			    const ipadm_addrobj_t, uint32_t);
213 extern boolean_t	i_ipadm_name2atype(const char *, sa_family_t *,
214 			    ipadm_addr_type_t *);
215 extern ipadm_status_t	i_ipadm_resolve_addr(const char *, sa_family_t,
216 			    struct sockaddr_storage *);
217 
218 /* ipadm_if.c */
219 extern ipadm_status_t	i_ipadm_create_if(ipadm_handle_t, char *,  sa_family_t,
220 			    uint32_t);
221 extern ipadm_status_t	i_ipadm_delete_if(ipadm_handle_t, const char *,
222 			    sa_family_t, uint32_t);
223 extern ipadm_status_t	i_ipadm_plumb_if(ipadm_handle_t, char *, sa_family_t,
224 			    uint32_t);
225 extern ipadm_status_t	i_ipadm_unplumb_if(ipadm_handle_t, const char *,
226 			    sa_family_t);
227 extern ipadm_status_t	i_ipadm_if_pexists(ipadm_handle_t, const char *,
228 			    sa_family_t, boolean_t *);
229 extern ipadm_status_t	i_ipadm_delete_ifobj(ipadm_handle_t, const char *,
230 			    sa_family_t, boolean_t);
231 extern int		i_ipadm_get_lnum(const char *);
232 
233 #ifdef	__cplusplus
234 }
235 #endif
236 
237 #endif	/* _LIBIPADM_IMPL_H */
238