usr/src/cmd/isns/isnsd/isns_pdu.h

   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 */