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 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_ISNS_PROTOCOL_H
28 #define	_ISNS_PROTOCOL_H
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 #include <netinet/in.h>
35 #include <sys/socket.h>
36 #include <sys/types.h>
37 
38 #define	ISNSP_VERSION			(0x01)
39 
40 #define	ISNS_DEFAULT_SERVER_PORT	(3205)
41 
42 #define	ISNSP_HEADER_SIZE		(12)
43 #define	ISNSP_RSP_CODE_SIZE		(4)
44 #define	ISNSP_MAX_PAYLOAD_SIZE		(65532)
45 #define	ISNSP_MAX_PDU_SIZE		(ISNSP_HEADER_SIZE + \
46 					ISNSP_MAX_PAYLOAD_SIZE)
47 
48 #define	ISNS_TLV_ATTR_ID_LEN		(4)
49 #define	ISNS_TLV_ATTR_LEN_LEN		(4)
50 #define	MAX_ISNS_MESG_ATTR_ENTRIES	(8)
51 #define	MAX_ISNS_OPER_ATTR_ENTRIES	(32)
52 
53 /* iSNS Entity Protocol, iSNS Draft - section 6.2.2. */
54 #define	ISNS_ENTITY_PROTOCOL_NO		(1)
55 #define	ISNS_ENTITY_PROTOCOL_ISCSI	(2)
56 #define	ISNS_ENTITY_PROTOCOL_FCP	(3)
57 
58 /* iSNS Function IDs, iSNS Draft - section 4.1.3. */
59 #define	ISNS_DEV_ATTR_REG		(0x0001)
60 #define	ISNS_DEV_ATTR_QRY		(0x0002)
61 #define	ISNS_DEV_GET_NEXT		(0x0003)
62 #define	ISNS_DEV_DEREG			(0x0004)
63 #define	ISNS_SCN_REG			(0x0005)
64 #define	ISNS_SCN_DEREG			(0x0006)
65 #define	ISNS_SCN_EVENT			(0x0007)
66 #define	ISNS_SCN			(0x0008)
67 #define	ISNS_DD_REG			(0x0009)
68 #define	ISNS_DD_DEREG			(0x000A)
69 #define	ISNS_DDS_REG			(0x000B)
70 #define	ISNS_DDS_DEREG			(0x000C)
71 #define	ISNS_ESI			(0x000D)
72 #define	ISNS_HEARTBEAT			(0x000E)
73 #define	ISNS_DEV_ATTR_REG_RSP		(0x8001)
74 #define	ISNS_DEV_ATTR_QRY_RSP		(0x8002)
75 #define	ISNS_DEV_GET_NEXT_RSP		(0x8003)
76 #define	ISNS_DEV_DEREG_RSP		(0x8004)
77 #define	ISNS_SCN_REG_RSP		(0x8005)
78 #define	ISNS_SCN_DEREG_RSP		(0x8006)
79 #define	ISNS_SCN_EVENT_RSP		(0x8007)
80 #define	ISNS_SCN_RSP			(0x8008)
81 #define	ISNS_DD_REG_RSP			(0x8009)
82 #define	ISNS_DD_DEREG_RSP		(0x800A)
83 #define	ISNS_DDS_REG_RSP		(0x800B)
84 #define	ISNS_DDS_DEREG_RSP		(0x800C)
85 #define	ISNS_ESI_RSP			(0x800D)
86 
87 /* iSNS Flags, iSNS Draft - section 5.1.4. */
88 #define	ISNS_FLAG_FIRST_PDU		(0x0400)
89 #define	ISNS_FLAG_LAST_PDU		(0x0800)
90 #define	ISNS_FLAG_REPLACE_REG		(0x1000)
91 #define	ISNS_FLAG_AUTH_BLK_PRESENTED	(0x2000)
92 #define	ISNS_FLAG_SERVER		(0x4000)
93 #define	ISNS_FLAG_CLIENT		(0x8000)
94 
95 /* iSNS Response Status, iSNS Draft - section 5.4 */
96 #define	ISNS_RSP_SUCCESSFUL		(0)
97 #define	ISNS_RSP_UNKNOWN_ERROR		(1)
98 #define	ISNS_RSP_MSG_FORMAT_ERROR	(2)
99 #define	ISNS_RSP_INVALID_REGIS		(3)
100 #define	ISNS_RSP_INVALID_QRY		(5)
101 #define	ISNS_RSP_SRC_UNKNOWN		(6)
102 #define	ISNS_RSP_SRC_ABSENT		(7)
103 #define	ISNS_RSP_SRC_UNAUTHORIZED	(8)
104 #define	ISNS_RSP_NO_SUCH_ENTRY		(9)
105 #define	ISNS_RSP_VER_NOT_SUPPORTED	(10)
106 #define	ISNS_RSP_INTERNAL_ERROR		(11)
107 #define	ISNS_RSP_BUSY			(12)
108 #define	ISNS_RSP_OPTION_NOT_UNDERSTOOD	(13)
109 #define	ISNS_RSP_INVALID_UPDATE		(14)
110 #define	ISNS_RSP_MSG_NOT_SUPPORTED	(15)
111 #define	ISNS_RSP_SCN_EVENT_REJECTED	(16)
112 #define	ISNS_RSP_SCN_REGIS_REJECTED	(17)
113 #define	ISNS_RSP_ATTR_NOT_IMPL		(18)
114 #define	ISNS_RSP_ESI_NOT_AVAILABLE	(21)
115 #define	ISNS_RSP_INVALID_DEREGIS	(22)
116 #define	ISNS_RSP_REGIS_NOT_SUPPORTED	(23)
117 
118 /* iSNS Attribute IDs, iSNS Draft - section 6.1. */
119 #define	ISNS_DELIMITER_ATTR_ID		(0)
120 #define	ISNS_EID_ATTR_ID		(1)
121 #define	ISNS_ENTITY_PROTOCOL_ATTR_ID	(2)
122 #define	ISNS_MGMT_IP_ADDR_ATTR_ID	(3)
123 #define	ISNS_TIMESTAMP_ATTR_ID		(4)
124 #define	ISNS_VERSION_RANGE_ATTR_ID	(5)
125 #define	ISNS_ENTITY_REG_PERIOD_ATTR_ID	(6)
126 #define	ISNS_ENTITY_INDEX_ATTR_ID	(7)
127 #define	ISNS_ENTITY_NEXT_INDEX_ATTR_ID	(8)
128 #define	ISNS_ENTITY_ISAKMP_P1_ATTR_ID	(11)
129 #define	ISNS_ENTITY_CERT_ATTR_ID	(12)
130 #define	ISNS_PORTAL_IP_ADDR_ATTR_ID	(16)
131 #define	ISNS_PORTAL_PORT_ATTR_ID	(17)
132 #define	ISNS_PORTAL_NAME_ATTR_ID	(18)
133 #define	ISNS_ESI_INTERVAL_ATTR_ID	(19)
134 #define	ISNS_ESI_PORT_ATTR_ID		(20)
135 #define	ISNS_PORTAL_INDEX_ATTR_ID	(22)
136 #define	ISNS_SCN_PORT_ATTR_ID		(23)
137 #define	ISNS_PORTAL_NEXT_INDEX_ATTR_ID	(24)
138 #define	ISNS_PORTAL_SEC_BMP_ATTR_ID	(27)
139 #define	ISNS_PORTAL_ISAKMP_P1_ATTR_ID	(28)
140 #define	ISNS_PORTAL_ISAKMP_P2_ATTR_ID	(29)
141 #define	ISNS_PORTAL_CERT_ATTR_ID	(31)
142 #define	ISNS_ISCSI_NAME_ATTR_ID		(32)
143 #define	ISNS_ISCSI_NODE_TYPE_ATTR_ID	(33)
144 #define	ISNS_ISCSI_ALIAS_ATTR_ID	(34)
145 #define	ISNS_ISCSI_SCN_BITMAP_ATTR_ID	(35)
146 #define	ISNS_ISCSI_NODE_INDEX_ATTR_ID	(36)
147 #define	ISNS_WWNN_TOKEN_ATTR_ID		(37)
148 #define	ISNS_NODE_NEXT_INDEX_ATTR_ID	(38)
149 #define	ISNS_ISCSI_AUTH_METHOD_ATTR_ID	(42)
150 #define	ISNS_PG_ISCSI_NAME_ATTR_ID	(48)
151 #define	ISNS_PG_PORTAL_IP_ADDR_ATTR_ID	(49)
152 #define	ISNS_PG_PORTAL_PORT_ATTR_ID	(50)
153 #define	ISNS_PG_TAG_ATTR_ID		(51)
154 #define	ISNS_PG_INDEX_ATTR_ID		(52)
155 #define	ISNS_PG_NEXT_ID_ATTR_ID		(53)
156 #define	ISNS_DD_SET_ID_ATTR_ID		(2049)
157 #define	ISNS_DD_SET_NAME_ATTR_ID	(2050)
158 #define	ISNS_DD_SET_STATUS_ATTR_ID	(2051)
159 #define	ISNS_DD_ID_ATTR_ID		(2065)
160 #define	ISNS_DD_NAME_ATTR_ID		(2066)
161 #define	ISNS_DD_ISCSI_INDEX_ATTR_ID	(2067)
162 #define	ISNS_DD_ISCSI_NAME_ATTR_ID	(2068)
163 #define	ISNS_DD_FC_PORT_NAME_ATTR_ID	(2069)
164 #define	ISNS_DD_PORTAL_INDEX_ATTR_ID	(2070)
165 #define	ISNS_DD_PORTAL_IP_ADDR_ATTR_ID	(2071)
166 #define	ISNS_DD_PORTAL_PORT_ATTR_ID	(2072)
167 #define	ISNS_DD_FEATURES_ATTR_ID	(2078)
168 
169 /* Entity Protocol, RFC 4171 - section 6.2.2. */
170 #define	ISNS_ENTITY_NO_PROTOCOL		(1)
171 #define	ISNS_ENTITY_ISCSI		(2)
172 #define	ISNS_ENTITY_IFCP		(3)
173 
174 /* Protocol Version Range, RFC 4171 - section 6.2.5. */
175 #define	ISNS_VER_SHIFT			(16)
176 #define	ISNS_VERSION			(0x0000FFFF)
177 
178 /* Portal Port, RFC 4171 - section 6.3.2. */
179 #define	ISNS_PORT_BITS			(0x0000FFFF)    /* Bits 16 - 31 */
180 #define	ISNS_PORT_TYPE			(0x00010000)    /* Bit 15 */
181 
182 /* Portal Security Bitmap, RFC 4171 - section 6.3.9. */
183 #define	ISNS_TUNNEL_MODE_PREFERRED	(0x0040)	/* Bit 25 */
184 #define	ISNS_TRANS_MODE_PREFERRED	(0x0020)	/* Bit 26 */
185 #define	ISNS_PFS_ENABLED		(0x0010)	/* Bit 27 */
186 #define	ISNS_AGGR_MODE_ENABLED		(0x0008)	/* Bit 28 */
187 #define	ISNS_MAIN_MODE_ENABLED		(0x0004)	/* Bit 29 */
188 #define	ISNS_IKE_IPSEC_ENABLED		(0x0002)	/* Bit 30 */
189 #define	ISNS_BITMAP_VALID		(0x0001)	/* Bit 31 */
190 
191 /* iSCSI Node Type, RFC 4171 - section 6.4.2. */
192 #define	ISNS_TARGET_NODE_TYPE		(0x0001)
193 #define	ISNS_INITIATOR_NODE_TYPE	(0x0002)
194 #define	ISNS_CONTROL_NODE_TYPE		(0x0004)
195 
196 /* iSCSI Node SCN Bitmap, RFC 4171 - section 6.4.4. */
197 #define	ISNS_INIT_SELF_INFO_ONLY	(0x0080)	/* Bit 24 */
198 #define	ISNS_TARGET_SELF_INFO_ONLY	(0x0040)	/* Bit 25 */
199 #define	ISNS_MGMT_REG			(0x0020)	/* Bit 26 */
200 #define	ISNS_OBJECT_REMOVED		(0x0010)	/* Bit 27 */
201 #define	ISNS_OBJECT_ADDED		(0x0008)	/* Bit 28 */
202 #define	ISNS_OBJECT_UPDATED		(0x0004)	/* Bit 29 */
203 #define	ISNS_MEMBER_REMOVED		(0x0002)	/* Bit 30 */
204 #define	ISNS_MEMBER_ADDED		(0x0001)	/* Bit 31 */
205 
206 /* Portal Group Tag, RFC 4171 - section 6.5.4. */
207 #define	ISNS_PG_TAG			(0x0000FFFF)	/* Bits 16 - 31 */
208 
209 /* DDS Status, RFC 4171 - section 6.11.1.3. */
210 #define	ISNS_DDS_STATUS			(0x0001)	/* Bit 31 */
211 
212 /* DD Feature, RFC 4171 - section 6.11.2.9. */
213 #define	ISNS_DD_BOOTLIST		(0x0001)	/* Bit 31 */
214 
215 /* iSNS Defaults */
216 #define	ISNS_DEFAULT_PGT		(0x00000001)
217 #define	ISNS_DEFAULT_DD_SET_ID		(1)
218 #define	ISNS_DEFAULT_DD_ID		(1)
219 
220 /* Min/Max length of names */
221 #define	ISNS_DDS_MAX_NAME_LEN		(256)
222 #define	ISNS_DD_MAX_NAME_LEN		(256)
223 #define	ISNS_ISCSI_MAX_NAME_LEN		(224)
224 #define	ISNS_ISCSI_MAX_ALIAS_LEN	(256)
225 #define	ISNS_ENTITY_MIN_EID_LEN		(3)
226 #define	ISNS_ENTITY_MAX_EID_LEN		(255)
227 
228 
229 typedef struct isns_tlv {
230 	uint32_t attr_id;
231 	uint32_t attr_len;
232 	uint8_t attr_value[1];
233 } isns_tlv_t;
234 
235 typedef struct isns_packet_data {
236 	uint16_t version;
237 	uint16_t func_id;
238 	uint16_t payload_len;
239 	uint16_t flags;
240 	uint16_t xid;
241 	uint16_t seq;
242 
243 	int num_of_tlvs;
244 	isns_tlv_t tlvs[MAX_ISNS_OPER_ATTR_ENTRIES];
245 } isns_packet_data_t;
246 
247 typedef struct isns_reg_mesg {
248 	isns_tlv_t src_attr;
249 	int num_of_mesg_attrs;
250 	isns_tlv_t *mesg_attrs[MAX_ISNS_MESG_ATTR_ENTRIES];
251 	isns_tlv_t delimiter_attr;
252 	isns_tlv_t *operating_attrs[MAX_ISNS_OPER_ATTR_ENTRIES];
253 } isns_reg_mesg_t;
254 
255 typedef struct isns_resp_mesg {
256 	uint8_t	status[4];
257 	isns_tlv_t messages_attrs[MAX_ISNS_MESG_ATTR_ENTRIES];
258 	isns_tlv_t delimiter_attr;
259 	isns_tlv_t operating_attrs[MAX_ISNS_OPER_ATTR_ENTRIES];
260 } isns_resp_mesg_t;
261 
262 typedef struct isns_pdu {
263 	uint16_t version;
264 	uint16_t func_id;
265 	uint16_t payload_len;
266 	uint16_t flags;
267 	uint16_t xid;
268 	uint16_t seq;
269 	uint8_t payload[1];
270 } isns_pdu_t;
271 
272 typedef struct isns_resp {
273 	uint32_t status;
274 	uint8_t data[1];
275 } isns_resp_t;
276 
277 #ifdef __cplusplus
278 }
279 #endif
280 
281 #endif /* _ISNS_PROTOCOL_H */
282