xref: /titanic_51/usr/src/uts/common/sys/dls_mgmt.h (revision 5677a1bfa64862936660af8d84d5b3e4d3835af3)
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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #ifndef	_DLS_MGMT_H
26 #define	_DLS_MGMT_H
27 
28 #include <sys/types.h>
29 #include <sys/param.h>
30 #include <sys/zone.h>
31 
32 /*
33  * Data-Link Services Module
34  */
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 typedef enum {
41 	DATALINK_CLASS_PHYS		= 0x01,
42 	DATALINK_CLASS_VLAN		= 0x02,
43 	DATALINK_CLASS_AGGR		= 0x04,
44 	DATALINK_CLASS_VNIC		= 0x08,
45 	DATALINK_CLASS_ETHERSTUB	= 0x10,
46 	DATALINK_CLASS_SIMNET		= 0x20,
47 	DATALINK_CLASS_BRIDGE		= 0x40,
48 	DATALINK_CLASS_IPTUN		= 0x60,
49 	DATALINK_CLASS_PART		= 0x100
50 } datalink_class_t;
51 
52 #define	DATALINK_CLASS_ALL	(DATALINK_CLASS_PHYS |	\
53 	DATALINK_CLASS_VLAN | DATALINK_CLASS_AGGR | DATALINK_CLASS_VNIC | \
54 	DATALINK_CLASS_ETHERSTUB | DATALINK_CLASS_SIMNET | \
55 	DATALINK_CLASS_BRIDGE | DATALINK_CLASS_IPTUN | DATALINK_CLASS_PART)
56 
57 /*
58  * A combination of flags and media.
59  *   flags is the higher 32 bits, and if it is 0x01, it indicates all media
60  *   types can be accepted; otherwise, only the given media type (specified
61  *   in the lower 32 bits) is accepted.
62  */
63 typedef uint64_t	datalink_media_t;
64 
65 #define	DATALINK_ANY_MEDIATYPE		\
66 	((datalink_media_t)(((datalink_media_t)0x01) << 32))
67 
68 #define	DATALINK_MEDIA_ACCEPTED(dmedia, media)				\
69 	(((uint32_t)(((dmedia) >> 32) & 0xfffffffful) & 0x01) ?		\
70 	B_TRUE : ((uint32_t)((dmedia) & 0xfffffffful) == (media)))
71 
72 #define	MAXLINKATTRLEN		32
73 #define	MAXLINKATTRVALLEN	1024
74 
75 /*
76  * Link attributes used by the kernel.
77  */
78 /*
79  * The major number and instance number of the underlying physical device
80  * are kept as FPHYMAJ and FPHYINST (major, instance + 1).
81  *
82  * Set for physical links only.
83  */
84 #define	FPHYMAJ		"phymaj"	/* uint64_t */
85 #define	FPHYINST	"phyinst"	/* uint64_t */
86 
87 /*
88  * The devname of the physical link. For example, bge0, ce1. Set for physical
89  * links only.
90  */
91 #define	FDEVNAME	"devname"	/* string */
92 
93 /*
94  * The door file for the dlmgmtd (data-link management) daemon.
95  */
96 #define	DLMGMT_TMPFS_DIR	"/etc/svc/volatile/dladm"
97 #define	DLMGMT_DOOR		DLMGMT_TMPFS_DIR "/dlmgmt_door"
98 
99 /*
100  * Door upcall commands.
101  */
102 #define	DLMGMT_CMD_DLS_CREATE		1
103 #define	DLMGMT_CMD_DLS_GETATTR		2
104 #define	DLMGMT_CMD_DLS_DESTROY		3
105 #define	DLMGMT_CMD_GETNAME		4
106 #define	DLMGMT_CMD_GETLINKID		5
107 #define	DLMGMT_CMD_GETNEXT		6
108 #define	DLMGMT_CMD_DLS_UPDATE		7
109 #define	DLMGMT_CMD_LINKPROP_INIT	8
110 #define	DLMGMT_CMD_SETZONEID		9
111 #define	DLMGMT_CMD_BASE			128
112 
113 /*
114  * Indicate the link mapping is active or persistent
115  */
116 #define	DLMGMT_ACTIVE		0x01
117 #define	DLMGMT_PERSIST		0x02
118 
119 /* upcall argument */
120 typedef struct dlmgmt_door_arg {
121 	uint_t			ld_cmd;
122 } dlmgmt_door_arg_t;
123 
124 typedef struct dlmgmt_upcall_arg_create {
125 	int			ld_cmd;
126 	datalink_class_t	ld_class;
127 	uint32_t		ld_media;
128 	boolean_t		ld_persist;
129 	uint64_t		ld_phymaj;
130 	uint64_t		ld_phyinst;
131 	char			ld_devname[MAXNAMELEN];
132 } dlmgmt_upcall_arg_create_t;
133 
134 /*
135  * Note: ld_padding is necessary to keep the size of the structure the
136  * same on amd64 and i386.  The same note applies to other ld_padding
137  * and lr_paddding fields in structures throughout this file.
138  */
139 typedef struct dlmgmt_upcall_arg_destroy {
140 	int			ld_cmd;
141 	datalink_id_t		ld_linkid;
142 	boolean_t		ld_persist;
143 	int			ld_padding;
144 } dlmgmt_upcall_arg_destroy_t;
145 
146 typedef struct dlmgmt_upcall_arg_update {
147 	int			ld_cmd;
148 	boolean_t		ld_novanity;
149 	uint32_t		ld_media;
150 	uint32_t		ld_padding;
151 	char			ld_devname[MAXNAMELEN];
152 } dlmgmt_upcall_arg_update_t;
153 
154 typedef struct dlmgmt_upcall_arg_getattr {
155 	int			ld_cmd;
156 	datalink_id_t		ld_linkid;
157 	char			ld_attr[MAXLINKATTRLEN];
158 } dlmgmt_upcall_arg_getattr_t;
159 
160 typedef struct dlmgmt_door_getname {
161 	int			ld_cmd;
162 	datalink_id_t		ld_linkid;
163 } dlmgmt_door_getname_t;
164 
165 typedef struct dlmgmt_door_getlinkid {
166 	int			ld_cmd;
167 	char			ld_link[MAXLINKNAMELEN];
168 } dlmgmt_door_getlinkid_t;
169 
170 typedef struct dlmgmt_door_getnext_s {
171 	int			ld_cmd;
172 	datalink_id_t		ld_linkid;
173 	datalink_class_t	ld_class;
174 	uint32_t		ld_flags;
175 	datalink_media_t	ld_dmedia;
176 } dlmgmt_door_getnext_t;
177 
178 typedef struct dlmgmt_door_linkprop_init {
179 	int			ld_cmd;
180 	datalink_id_t		ld_linkid;
181 } dlmgmt_door_linkprop_init_t;
182 
183 typedef struct dlmgmt_door_setzoneid {
184 	int			ld_cmd;
185 	datalink_id_t		ld_linkid;
186 	zoneid_t		ld_zoneid;
187 } dlmgmt_door_setzoneid_t;
188 
189 /* upcall return value */
190 typedef struct dlmgmt_retval_s {
191 	uint_t			lr_err; /* return error code */
192 } dlmgmt_retval_t;
193 
194 typedef dlmgmt_retval_t	dlmgmt_destroy_retval_t,
195 			dlmgmt_linkprop_init_retval_t,
196 			dlmgmt_setzoneid_retval_t;
197 
198 struct dlmgmt_linkid_retval_s {
199 	uint_t			lr_err;
200 	datalink_id_t		lr_linkid;
201 	uint32_t		lr_flags;
202 	datalink_class_t	lr_class;
203 	uint32_t		lr_media;
204 	uint32_t		lr_padding;
205 };
206 
207 typedef struct dlmgmt_linkid_retval_s	dlmgmt_create_retval_t,
208 					dlmgmt_update_retval_t,
209 					dlmgmt_getlinkid_retval_t,
210 					dlmgmt_getnext_retval_t;
211 
212 typedef struct dlmgmt_getname_retval_s {
213 	uint_t			lr_err;
214 	char			lr_link[MAXLINKNAMELEN];
215 	datalink_class_t	lr_class;
216 	uint32_t		lr_media;
217 	uint32_t		lr_flags;
218 } dlmgmt_getname_retval_t;
219 
220 typedef struct dlmgmt_getattr_retval_s {
221 	uint_t			lr_err;
222 	uint_t			lr_type;
223 	uint_t			lr_attrsz;
224 	uint_t			lr_padding;
225 	char			lr_attrval[MAXLINKATTRVALLEN];
226 } dlmgmt_getattr_retval_t;
227 
228 #ifdef	__cplusplus
229 }
230 #endif
231 
232 #endif	/* _DLS_MGMT_H */
233