xref: /illumos-gate/usr/src/cmd/isns/isnsd/isns_pdu.h (revision 0250c53ad267726f2438e3c6556199a0bbf588a2)
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_PDU_H
28 #define	_ISNS_PDU_H
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 #define	ISNS_RCV_TIMEOUT	5
35 #define	ISNS_RCV_SHORT_TIMEOUT	1
36 
37 #define	NEXT_TLV(OP, LEN)	{ \
38 	if ((LEN) >= (8 + (OP)->attr_len)) { \
39 		uint8_t *b1 = (uint8_t *)(OP); \
40 		(LEN) -= (8 + (OP)->attr_len); \
41 		b1 += (8 + (OP)->attr_len); \
42 		(OP) = (isns_tlv_t *)b1; \
43 	} else { \
44 		(LEN) = 0; \
45 		(OP) = NULL; \
46 	} \
47 }
48 
49 size_t isns_rcv_pdu(int, isns_pdu_t **, size_t *, int);
50 int isns_send_pdu(int, isns_pdu_t *, size_t);
51 int pdu_reset_rsp(isns_pdu_t **, size_t *, size_t *);
52 int pdu_reset_scn(isns_pdu_t **, size_t *, size_t *);
53 int pdu_reset_esi(isns_pdu_t **, size_t *, size_t *);
54 int pdu_update_code(isns_pdu_t *, size_t *, int);
55 int pdu_add_tlv(isns_pdu_t **, size_t *, size_t *,
56 	uint32_t, uint32_t, void *, int);
57 
58 isns_tlv_t *pdu_get_source(isns_pdu_t *);
59 isns_tlv_t *pdu_get_key(isns_pdu_t *, size_t *);
60 isns_tlv_t *pdu_get_operand(isns_pdu_t *, size_t *);
61 
62 #ifdef __cplusplus
63 }
64 #endif
65 
66 #endif /* _ISNS_PDU_H */
67