xref: /titanic_51/usr/src/lib/libipadm/common/libipadm_impl.h (revision dd51520e127b452179a2ce4ea3bd8dee949f9afe)
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 	int		iph_rtsock;	/* routing socket */
59 	dladm_handle_t	iph_dlh;	/* handle to libdladm library */
60 	uint32_t	iph_flags;	/* internal flags */
61 	pthread_mutex_t	iph_lock;	/* lock to set door_fd */
62 	zoneid_t	iph_zoneid;	/* zoneid where handle was opened */
63 };
64 
65 /*
66  * Indicates that the operation being invoked is in 'init' context. This is
67  * a library private flag.
68  */
69 #define	IPH_INIT	0x10000000
70 
71 struct ipadm_addrobj_s {
72 	char 			ipadm_ifname[LIFNAMSIZ];
73 	int32_t			ipadm_lifnum;
74 	char			ipadm_aobjname[IPADM_AOBJSIZ];
75 	ipadm_addr_type_t	ipadm_atype;
76 	uint32_t		ipadm_flags;
77 	sa_family_t		ipadm_af;
78 	union {
79 		struct {
80 			char			ipadm_ahname[MAXNAMELEN];
81 			struct sockaddr_storage	ipadm_addr;
82 			uint32_t		ipadm_prefixlen;
83 			char			ipadm_dhname[MAXNAMELEN];
84 			struct sockaddr_storage ipadm_dstaddr;
85 		} ipadm_static_addr_s;
86 		struct {
87 			struct sockaddr_in6	ipadm_intfid;
88 			uint32_t		ipadm_intfidlen;
89 			boolean_t		ipadm_stateless;
90 			boolean_t		ipadm_stateful;
91 		} ipadm_ipv6_intfid_s;
92 		struct {
93 			boolean_t		ipadm_primary;
94 			int32_t			ipadm_wait;
95 		} ipadm_dhcp_s;
96 	} ipadm_addr_u;
97 };
98 
99 #define	ipadm_static_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_addr
100 #define	ipadm_static_aname	ipadm_addr_u.ipadm_static_addr_s.ipadm_ahname
101 #define	ipadm_static_prefixlen	ipadm_addr_u.ipadm_static_addr_s.ipadm_prefixlen
102 #define	ipadm_static_dst_addr	ipadm_addr_u.ipadm_static_addr_s.ipadm_dstaddr
103 #define	ipadm_static_dname	ipadm_addr_u.ipadm_static_addr_s.ipadm_dhname
104 #define	ipadm_intfid		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfid
105 #define	ipadm_intfidlen		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_intfidlen
106 #define	ipadm_stateless		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateless
107 #define	ipadm_stateful		ipadm_addr_u.ipadm_ipv6_intfid_s.ipadm_stateful
108 #define	ipadm_primary		ipadm_addr_u.ipadm_dhcp_s.ipadm_primary
109 #define	ipadm_wait		ipadm_addr_u.ipadm_dhcp_s.ipadm_wait
110 
111 /*
112  * Data structures and callback functions related to property management
113  */
114 struct ipadm_prop_desc;
115 typedef struct ipadm_prop_desc ipadm_prop_desc_t;
116 
117 /* property set() callback */
118 typedef ipadm_status_t	ipadm_pd_setf_t(ipadm_handle_t, const void *,
119     ipadm_prop_desc_t *, const void *, uint_t, uint_t);
120 
121 /* property get() callback */
122 typedef ipadm_status_t	ipadm_pd_getf_t(ipadm_handle_t, const void *,
123     ipadm_prop_desc_t *, char *, uint_t *, uint_t, uint_t);
124 
125 struct ipadm_prop_desc {
126 	char		*ipd_name;	/* property name */
127 	uint_t		ipd_class; 	/* prop. class - global/perif/both */
128 	uint_t		ipd_proto;	/* protocol to which property belongs */
129 	uint_t		ipd_flags;	/* see below */
130 	ipadm_pd_setf_t	*ipd_set;	/* set callback function */
131 	ipadm_pd_getf_t	*ipd_get_range;	/* get range callback function */
132 	ipadm_pd_getf_t	*ipd_get;	/* get value callback function */
133 };
134 
135 /* ipd_flags values */
136 #define	IPADMPROP_MULVAL	0x00000001	/* property multi-valued */
137 
138 extern ipadm_prop_desc_t	ipadm_addrprop_table[];
139 extern ipadm_pd_getf_t		i_ipadm_get_onoff;
140 
141 /* libipadm.c */
142 extern ipadm_status_t	i_ipadm_get_flags(ipadm_handle_t, const char *,
143 			    sa_family_t, uint64_t *);
144 extern ipadm_status_t	i_ipadm_set_flags(ipadm_handle_t, const char *,
145 			    sa_family_t, uint64_t, uint64_t);
146 extern ipadm_status_t	i_ipadm_init_ifs(ipadm_handle_t, const char *,
147 			    nvlist_t **);
148 extern ipadm_status_t	i_ipadm_init_ifobj(ipadm_handle_t, const char *,
149 			    nvlist_t *);
150 extern ipadm_status_t	i_ipadm_init_addrobj(ipadm_handle_t, nvlist_t *);
151 extern ipadm_status_t	i_ipadm_addr_persist(ipadm_handle_t,
152 			    const ipadm_addrobj_t, boolean_t, uint32_t);
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_prefixlen_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