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) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 /*
26  * Copyright 2019 OmniOS Community Edition (OmniOSce) Association.
27  */
28 
29 #ifndef _LIBDLADM_IMPL_H
30 #define	_LIBDLADM_IMPL_H
31 
32 #include <sys/types.h>
33 #include <sys/mac.h>
34 #include <sys/mac_flow.h>
35 #include <libdladm.h>
36 #include <stdio.h>
37 
38 #ifdef	__cplusplus
39 extern "C" {
40 #endif
41 
42 #define	MAXLINELEN		1024
43 #define	BUFLEN(lim, ptr)	(((lim) > (ptr)) ? ((lim) - (ptr)) : 0)
44 #define	V4_PART_OF_V6(v6)	((v6)._S6_un._S6_u32[3])
45 
46 /*
47  * The handle contains file descriptors to DLD_CONTROL_DEV and
48  * DLMGMT_DOOR.  Rather than opening the file descriptor each time
49  * it is required, the handle is opened by consumers of libdladm
50  * (e.g., dladm) and then passed to libdladm.
51  */
52 struct dladm_handle {
53 	int dld_fd;	/* file descriptor to DLD_CONTROL_DEV */
54 	int door_fd;	/* file descriptor to DLMGMT_DOOR */
55 	kstat_ctl_t *dld_kcp;	/* for kstat consumers */
56 };
57 
58 /* DLMGMT_DOOR can only be accessed by libdladm and dlmgmtd */
59 extern dladm_status_t	dladm_door_fd(dladm_handle_t, int *);
60 
61 extern dladm_status_t	dladm_errno2status(int);
62 extern dladm_status_t   i_dladm_rw_db(dladm_handle_t, const char *, mode_t,
63 			    dladm_status_t (*)(dladm_handle_t, void *, FILE *,
64 			    FILE *), void *, boolean_t);
65 extern dladm_status_t	dladm_get_state(dladm_handle_t, datalink_id_t,
66 			    link_state_t *);
67 extern void		dladm_find_setbits32(uint32_t, uint32_t *, uint32_t *);
68 extern dladm_status_t	dladm_parse_args(char *, dladm_arg_list_t **,
69 			    boolean_t);
70 extern void		dladm_free_args(dladm_arg_list_t *);
71 
72 /*
73  * Link attributes persisted by dlmgmtd.
74  */
75 /*
76  * Set for VLANs only
77  */
78 #define	FVLANID		"vid"		/* uint64_t */
79 #define	FLINKOVER	"linkover"	/* uint64_t */
80 
81 /*
82  * Set for AGGRs only
83  */
84 #define	FKEY		"key"		/* uint64_t */
85 #define	FNPORTS		"nports"	/* uint64_t */
86 #define	FPORTS		"portnames"	/* string */
87 #define	FPOLICY		"policy"	/* uint64_t */
88 #define	FFIXMACADDR	"fix_macaddr"	/* boolean_t */
89 #define	FFORCE		"force"		/* boolean_t */
90 #define	FLACPMODE	"lacp_mode"	/* uint64_t */
91 #define	FLACPTIMER	"lacp_timer"	/* uint64_t */
92 
93 /*
94  * Set for VNICs only
95  */
96 #define	FMADDRTYPE	"maddrtype"	/* uint64_t */
97 #define	FMADDRLEN	"maddrlen"	/* uint64_t */
98 #define	FMADDRSLOT	"maddrslot"	/* uint64_t */
99 #define	FMADDRPREFIXLEN	"maddrpreflen"	/* uint64_t */
100 #define	FVRID		"vrid"		/* uint64_t */
101 #define	FVRAF		"vraf"		/* uint64_t */
102 
103 /*
104  * Set for simlinks only
105  */
106 #define	FSIMNETTYPE	"simnettype"	/* uint64_t */
107 #define	FSIMNETPEER	"simnetpeer"	/* uint64_t */
108 
109 /*
110  * Set for IB partitions only
111  */
112 #define	FPORTPKEY	"pkey"		/* uint64_t */
113 
114 /*
115  * Common fields
116  */
117 #define	FMACADDR	"macaddr"	/* string */
118 
119 /*
120  * List of all the above attributes.
121  */
122 #define	DLADM_ATTR_NAMES	FVLANID, FLINKOVER, \
123 				FKEY, FNPORTS, FPORTS, FPOLICY, \
124 				FFIXMACADDR, FFORCE, FLACPMODE, FLACPTIMER, \
125 				FMADDRTYPE, FMADDRLEN, FMADDRSLOT, \
126 				FMADDRPREFIXLEN, FVRID, FVRAF,	\
127 				FMACADDR, FSIMNETTYPE, FSIMNETPEER
128 
129 /*
130  * Data structures used for implementing temporary properties
131  */
132 
133 typedef struct val_desc {
134 	char		*vd_name;
135 	uintptr_t	vd_val;
136 } val_desc_t;
137 
138 #define	VALCNT(vals)	(sizeof ((vals)) / sizeof (val_desc_t))
139 
140 extern dladm_status_t	dladm_link_proplist_extract(dladm_handle_t,
141 			    dladm_arg_list_t *, mac_resource_props_t *,
142 			    uint_t);
143 
144 extern dladm_status_t	dladm_flow_proplist_extract(dladm_arg_list_t *,
145 			    mac_resource_props_t *);
146 
147 /*
148  * The prop extract() callback.
149  *
150  * rp_extract extracts the kernel structure from the val_desc_t created
151  * by the pd_check function.
152  */
153 typedef	dladm_status_t	rp_extractf_t(val_desc_t *, uint_t, void *);
154 extern rp_extractf_t	extract_maxbw, extract_priority,
155 			extract_cpus, extract_protection,
156 			extract_allowedips, extract_allowedcids,
157 			extract_rxrings, extract_txrings, extract_pool;
158 
159 typedef struct resource_prop_s {
160 	/*
161 	 * resource property name
162 	 */
163 	char		*rp_name;
164 
165 	/*
166 	 * callback to extract kernel structure
167 	 */
168 	rp_extractf_t	*rp_extract;
169 } resource_prop_t;
170 
171 /*
172  * Set for bridged links only
173  */
174 #define	FBRIDGE		"bridge"	/* string */
175 
176 #ifdef	__cplusplus
177 }
178 #endif
179 
180 #endif	/* _LIBDLADM_IMPL_H */
181