iscsi_protocol.h revision fcf3ce441efd61da9bb2884968af01cb7c1452cc
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _ISCSI_PROTOCOL_H
#define _ISCSI_PROTOCOL_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* iSCSI connection daemon
* Copyright (C) 2001 Cisco Systems, Inc.
* All rights reserved.
*
* This file sets up definitions of messages and constants used by the
* iSCSI protocol.
*
*/
#include <sys/types.h>
#include <sys/isa_defs.h>
/* iSCSI listen port for incoming connections */
#define ISCSI_LISTEN_PORT 3260
/* assumes a pointer to a 3-byte array */
#define ntoh24(p) (((p)[0] << 16) | ((p)[1] << 8) | ((p)[2]))
/* assumes a pointer to a 3 byte array, and an integer value */
#define hton24(p, v) {\
p[0] = (((v) >> 16) & 0xFF); \
p[1] = (((v) >> 8) & 0xFF); \
p[2] = ((v) & 0xFF); \
}
/* for Login min, max, active version fields */
#define ISCSI_MIN_VERSION 0x00
#define ISCSI_DRAFT8_VERSION 0x02
#define ISCSI_DRAFT20_VERSION 0x00
#define ISCSI_MAX_VERSION 0x02
/* Min. and Max. length of a PDU we can support */
#define ISCSI_MIN_PDU_LENGTH (8 << 9) /* 4KB */
#define ISCSI_MAX_PDU_LENGTH (0xffffffff) /* Huge */
/* Padding word length */
#define ISCSI_PAD_WORD_LEN 4
/* Max. number of Key=Value pairs in a text message */
#define ISCSI_MAX_KEY_VALUE_PAIRS 8192
/* text separtor between key value pairs exhanged in login */
#define ISCSI_TEXT_SEPARATOR '='
/* Reserved value for initiator/target task tag */
#define ISCSI_RSVD_TASK_TAG 0xffffffff
/* maximum length for text keys/values */
#define KEY_MAXLEN 64
#define VALUE_MAXLEN 255
#define TARGET_NAME_MAXLEN VALUE_MAXLEN
#define ISCSI_DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH 8192
/* most PDU types have a final bit */
#define ISCSI_FLAG_FINAL 0x80
/*
* Strings used during SendTargets requests
*/
#define ISCSI_TEXT_SEPARATOR '='
#define TARGETNAME "TargetName="
#define TARGETADDRESS "TargetAddress="
/* iSCSI Template Message Header */
typedef struct _iscsi_hdr {
uint8_t opcode;
uint8_t flags; /* Final bit */
uint8_t rsvd2[2];
uint8_t hlength; /* AHSs total length */
uint8_t dlength[3]; /* Data length */
uint8_t lun[8];
uint32_t itt; /* Initiator Task Tag */
uint8_t other[28];
} iscsi_hdr_t;
/* Opcode encoding bits */
#define ISCSI_OP_RETRY 0x80
#define ISCSI_OP_IMMEDIATE 0x40
#define ISCSI_OPCODE_MASK 0x3F
/* Client to Server Message Opcode values */
#define ISCSI_OP_NOOP_OUT 0x00
#define ISCSI_OP_SCSI_CMD 0x01
#define ISCSI_OP_SCSI_TASK_MGT_MSG 0x02
#define ISCSI_OP_LOGIN_CMD 0x03
#define ISCSI_OP_TEXT_CMD 0x04
#define ISCSI_OP_SCSI_DATA 0x05
#define ISCSI_OP_LOGOUT_CMD 0x06
#define ISCSI_OP_SNACK_CMD 0x10
/* Server to Client Message Opcode values */
#define ISCSI_OP_NOOP_IN 0x20
#define ISCSI_OP_SCSI_RSP 0x21
#define ISCSI_OP_SCSI_TASK_MGT_RSP 0x22
#define ISCSI_OP_LOGIN_RSP 0x23
#define ISCSI_OP_TEXT_RSP 0x24
#define ISCSI_OP_SCSI_DATA_RSP 0x25
#define ISCSI_OP_LOGOUT_RSP 0x26
#define ISCSI_OP_RTT_RSP 0x31
#define ISCSI_OP_ASYNC_EVENT 0x32
#define ISCSI_OP_REJECT_MSG 0x3f
/* SCSI Command Header */
typedef struct _iscsi_scsi_cmd_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd[2];
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
uint32_t itt; /* Initiator Task Tag */
uint32_t data_length;
uint32_t cmdsn;
uint32_t expstatsn;
uint8_t scb[16]; /* SCSI Command Block */
/*
* Additional Data (Command Dependent)
*/
} iscsi_scsi_cmd_hdr_t;
/* Command PDU flags */
#define ISCSI_FLAG_CMD_READ 0x40
#define ISCSI_FLAG_CMD_WRITE 0x20
#define ISCSI_FLAG_CMD_ATTR_MASK 0x07 /* 3 bits */
/* SCSI Command Attribute values */
#define ISCSI_ATTR_UNTAGGED 0
#define ISCSI_ATTR_SIMPLE 1
#define ISCSI_ATTR_ORDERED 2
#define ISCSI_ATTR_HEAD_OF_QUEUE 3
#define ISCSI_ATTR_ACA 4
/* SCSI Response Header */
typedef struct _iscsi_scsi_rsp_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t response;
uint8_t cmd_status;
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd[8];
uint32_t itt; /* Initiator Task Tag */
uint32_t rsvd1;
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint32_t expdatasn;
uint32_t bi_residual_count;
uint32_t residual_count;
/*
* Response or Sense Data (optional)
*/
} iscsi_scsi_rsp_hdr_t;
/* 10.2.2.3 - Extended CDB Additional Header Segment */
typedef struct _iscsi_addl_hdr {
iscsi_scsi_cmd_hdr_t ahs_isch;
uint8_t ahs_hlen_hi;
uint8_t ahs_hlen_lo;
uint8_t ahs_key;
uint8_t ahs_resv;
uint8_t ahs_extscb[4];
} iscsi_addl_hdr_t;
/* Command Response PDU flags */
#define ISCSI_FLAG_CMD_BIDI_OVERFLOW 0x10
#define ISCSI_FLAG_CMD_BIDI_UNDERFLOW 0x08
#define ISCSI_FLAG_CMD_OVERFLOW 0x04
#define ISCSI_FLAG_CMD_UNDERFLOW 0x02
/* iSCSI Status values. Valid if Rsp Selector bit is not set */
#define ISCSI_STATUS_CMD_COMPLETED 0
#define ISCSI_STATUS_TARGET_FAILURE 1
#define ISCSI_STATUS_SUBSYS_FAILURE 2
/* Asynchronous Event Header */
typedef struct _iscsi_async_evt_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[2];
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t lun[8];
uint8_t rsvd4[8];
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint8_t async_event;
uint8_t async_vcode;
uint16_t param1;
uint16_t param2;
uint16_t param3;
uint8_t rsvd5[4];
} iscsi_async_evt_hdr_t;
/* iSCSI Event Indicator values */
#define ISCSI_ASYNC_EVENT_SCSI_EVENT 0
#define ISCSI_ASYNC_EVENT_REQUEST_LOGOUT 1
#define ISCSI_ASYNC_EVENT_DROPPING_CONNECTION 2
#define ISCSI_ASYNC_EVENT_DROPPING_ALL_CONNECTIONS 3
#define ISCSI_ASYNC_EVENT_PARAM_NEGOTIATION 4
#define ISCSI_ASYNC_EVENT_VENDOR_SPECIFIC 255
/* NOP-Out Message */
typedef struct _iscsi_nop_out_hdr {
uint8_t opcode;
uint8_t flags;
uint16_t rsvd2;
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t lun[8];
uint32_t itt; /* Initiator Task Tag */
uint32_t ttt; /* Target Transfer Tag */
uint32_t cmdsn;
uint32_t expstatsn;
uint8_t rsvd4[16];
} iscsi_nop_out_hdr_t;
/* NOP-In Message */
typedef struct _iscsi_nop_in_hdr {
uint8_t opcode;
uint8_t flags;
uint16_t rsvd2;
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t lun[8];
uint32_t itt; /* Initiator Task Tag */
uint32_t ttt; /* Target Transfer Tag */
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint8_t rsvd4[12];
} iscsi_nop_in_hdr_t;
/* SCSI Task Management Message Header */
typedef struct _iscsi_scsi_task_mgt_hdr {
uint8_t opcode;
uint8_t function;
uint8_t rsvd1[2];
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
uint32_t itt; /* Initiator Task Tag */
uint32_t rtt; /* Reference Task Tag */
uint32_t cmdsn;
uint32_t expstatsn;
uint32_t refcmdsn;
uint32_t expdatasn;
uint8_t rsvd2[8];
} iscsi_scsi_task_mgt_hdr_t;
#define ISCSI_FLAG_TASK_MGMT_FUNCTION_MASK 0x7F
/* Function values */
#define ISCSI_TM_FUNC_ABORT_TASK 1
#define ISCSI_TM_FUNC_ABORT_TASK_SET 2
#define ISCSI_TM_FUNC_CLEAR_ACA 3
#define ISCSI_TM_FUNC_CLEAR_TASK_SET 4
#define ISCSI_TM_FUNC_LOGICAL_UNIT_RESET 5
#define ISCSI_TM_FUNC_TARGET_WARM_RESET 6
#define ISCSI_TM_FUNC_TARGET_COLD_RESET 7
#define ISCSI_TM_FUNC_TASK_REASSIGN 8
/* SCSI Task Management Response Header */
typedef struct _iscsi_scsi_task_mgt_rsp_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t response; /* see Response values below */
uint8_t qualifier;
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd2[8];
uint32_t itt; /* Initiator Task Tag */
uint32_t rtt; /* Reference Task Tag */
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint8_t rsvd3[12];
} iscsi_scsi_task_mgt_rsp_hdr_t;
/* Response values */
#define SCSI_TCP_TM_RESP_COMPLETE 0x00
#define SCSI_TCP_TM_RESP_NO_TASK 0x01
#define SCSI_TCP_TM_RESP_NO_LUN 0x02
#define SCSI_TCP_TM_RESP_TASK_ALLEGIANT 0x03
#define SCSI_TCP_TM_RESP_NO_FAILOVER 0x04
#define SCSI_TCP_TM_RESP_IN_PRGRESS 0x05
#define SCSI_TCP_TM_RESP_REJECTED 0xff
/* Ready To Transfer Header */
typedef struct _iscsi_rtt_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[2];
uint8_t rsvd3[12];
uint32_t itt; /* Initiator Task Tag */
uint32_t ttt; /* Target Transfer Tag */
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint32_t rttsn;
uint32_t data_offset;
uint32_t data_length;
} iscsi_rtt_hdr_t;
/* SCSI Data Hdr */
typedef struct _iscsi_data_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[2];
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t lun[8];
uint32_t itt;
uint32_t ttt;
uint32_t rsvd4;
uint32_t expstatsn;
uint32_t rsvd5;
uint32_t datasn;
uint32_t offset;
uint32_t rsvd6;
/*
* Payload
*/
} iscsi_data_hdr_t;
/* SCSI Data Response Hdr */
typedef struct _iscsi_data_rsp_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2;
uint8_t cmd_status;
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
uint32_t itt;
uint32_t ttt;
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint32_t datasn;
uint32_t offset;
uint32_t residual_count;
} iscsi_data_rsp_hdr_t;
/* Data Response PDU flags */
#define ISCSI_FLAG_DATA_ACK 0x40
#define ISCSI_FLAG_DATA_OVERFLOW 0x04
#define ISCSI_FLAG_DATA_UNDERFLOW 0x02
#define ISCSI_FLAG_DATA_STATUS 0x01
/* Text Header */
typedef struct _iscsi_text_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[2];
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd4[8];
uint32_t itt;
uint32_t ttt;
uint32_t cmdsn;
uint32_t expstatsn;
uint8_t rsvd5[16];
/*
* Text - key=value pairs
*/
} iscsi_text_hdr_t;
#define ISCSI_FLAG_TEXT_CONTINUE 0x40
/* Text Response Header */
typedef struct _iscsi_text_rsp_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[2];
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd4[8];
uint32_t itt;
uint32_t ttt;
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint8_t rsvd5[12];
/*
* Text Response - key:value pairs
*/
} iscsi_text_rsp_hdr_t;
#define ISCSI_ISID_LEN 6
/* Login Header */
typedef struct _iscsi_login_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t max_version; /* Max. version supported */
uint8_t min_version; /* Min. version supported */
uint8_t hlength;
uint8_t dlength[3];
uint8_t isid[ISCSI_ISID_LEN]; /* Initiator Session ID */
uint16_t tsid; /* Target Session ID */
uint32_t itt; /* Initiator Task Tag */
uint16_t cid;
uint16_t rsvd3;
uint32_t cmdsn;
uint32_t expstatsn;
uint8_t rsvd5[16];
} iscsi_login_hdr_t;
/* Login PDU flags */
#define ISCSI_FLAG_LOGIN_TRANSIT 0x80
#define ISCSI_FLAG_LOGIN_CONTINUE 0x40
#define ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK 0x0C /* 2 bits */
#define ISCSI_FLAG_LOGIN_NEXT_STAGE_MASK 0x03 /* 2 bits */
#define ISCSI_LOGIN_CURRENT_STAGE(flags) \
((flags & ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK) >> 2)
#define ISCSI_LOGIN_NEXT_STAGE(flags) \
(flags & ISCSI_FLAG_LOGIN_NEXT_STAGE_MASK)
/* Login Response Header */
typedef struct _iscsi_login_rsp_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t max_version; /* Max. version supported */
uint8_t active_version; /* Active version */
uint8_t hlength;
uint8_t dlength[3];
uint8_t isid[ISCSI_ISID_LEN]; /* Initiator Session ID */
uint16_t tsid; /* Target Session ID */
uint32_t itt; /* Initiator Task Tag */
uint32_t rsvd3;
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint8_t status_class; /* see Login RSP ststus classes below */
uint8_t status_detail; /* see Login RSP Status details below */
uint8_t rsvd4[10];
} iscsi_login_rsp_hdr_t;
/* Login stage (phase) codes for CSG, NSG */
#define ISCSI_SECURITY_NEGOTIATION_STAGE 0
#define ISCSI_OP_PARMS_NEGOTIATION_STAGE 1
#define ISCSI_FULL_FEATURE_PHASE 3
/* Login Status response classes */
#define ISCSI_STATUS_CLASS_SUCCESS 0x00
#define ISCSI_STATUS_CLASS_REDIRECT 0x01
#define ISCSI_STATUS_CLASS_INITIATOR_ERR 0x02
#define ISCSI_STATUS_CLASS_TARGET_ERR 0x03
/* Login Status response detail codes */
/* Class-0 (Success) */
#define ISCSI_LOGIN_STATUS_ACCEPT 0x00
/* Class-1 (Redirection) */
#define ISCSI_LOGIN_STATUS_TGT_MOVED_TEMP 0x01
#define ISCSI_LOGIN_STATUS_TGT_MOVED_PERM 0x02
/* Class-2 (Initiator Error) */
#define ISCSI_LOGIN_STATUS_INIT_ERR 0x00
#define ISCSI_LOGIN_STATUS_AUTH_FAILED 0x01
#define ISCSI_LOGIN_STATUS_TGT_FORBIDDEN 0x02
#define ISCSI_LOGIN_STATUS_TGT_NOT_FOUND 0x03
#define ISCSI_LOGIN_STATUS_TGT_REMOVED 0x04
#define ISCSI_LOGIN_STATUS_NO_VERSION 0x05
#define ISCSI_LOGIN_STATUS_ISID_ERROR 0x06
#define ISCSI_LOGIN_STATUS_MISSING_FIELDS 0x07
#define ISCSI_LOGIN_STATUS_CONN_ADD_FAILED 0x08
#define ISCSI_LOGIN_STATUS_NO_SESSION_TYPE 0x09
#define ISCSI_LOGIN_STATUS_NO_SESSION 0x0a
#define ISCSI_LOGIN_STATUS_INVALID_REQUEST 0x0b
/* Class-3 (Target Error) */
#define ISCSI_LOGIN_STATUS_TARGET_ERROR 0x00
#define ISCSI_LOGIN_STATUS_SVC_UNAVAILABLE 0x01
#define ISCSI_LOGIN_STATUS_NO_RESOURCES 0x02
/* Logout Header */
typedef struct _iscsi_logout_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd1[2];
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd2[8];
uint32_t itt; /* Initiator Task Tag */
uint16_t cid;
uint8_t rsvd3[2];
uint32_t cmdsn;
uint32_t expstatsn;
uint8_t rsvd4[16];
} iscsi_logout_hdr_t;
/* Logout PDU flags */
#define ISCSI_FLAG_LOGOUT_REASON_MASK 0x7F
/* logout reason_code values */
#define ISCSI_LOGOUT_REASON_CLOSE_SESSION 0
#define ISCSI_LOGOUT_REASON_CLOSE_CONNECTION 1
#define ISCSI_LOGOUT_REASON_RECOVERY 2
#define ISCSI_LOGOUT_REASON_AEN_REQUEST 3
/* Logout Response Header */
typedef struct _iscsi_logout_rsp_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t response; /* see Logout response values below */
uint8_t rsvd2;
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd3[8];
uint32_t itt; /* Initiator Task Tag */
uint32_t rsvd4;
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint32_t rsvd5;
uint16_t t2wait;
uint16_t t2retain;
uint32_t rsvd6;
} iscsi_logout_rsp_hdr_t;
/* logout response status values */
#define ISCSI_LOGOUT_SUCCESS 0
#define ISCSI_LOGOUT_CID_NOT_FOUND 1
#define ISCSI_LOGOUT_RECOVERY_UNSUPPORTED 2
#define ISCSI_LOGOUT_CLEANUP_FAILED 3
/* SNACK Header */
typedef struct _iscsi_snack_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[14];
uint32_t itt;
uint32_t begrun;
uint32_t runlength;
uint32_t expstatsn;
uint32_t rsvd3;
uint32_t expdatasn;
uint8_t rsvd6[8];
} iscsi_snack_hdr_t;
/* SNACK PDU flags */
#define ISCSI_FLAG_SNACK_TYPE_MASK 0x0F /* 4 bits */
/* Reject Message Header */
typedef struct _iscsi_reject_rsp_hdr {
uint8_t opcode;
uint8_t flags;
uint8_t reason;
uint8_t rsvd2;
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t rsvd4[16];
uint32_t statsn;
uint32_t expcmdsn;
uint32_t maxcmdsn;
uint32_t datasn;
uint8_t rsvd5[8];
/*
* Text - Rejected hdr
*/
} iscsi_reject_rsp_hdr_t;
/* Reason for Reject */
#define ISCSI_REJECT_CMD_BEFORE_LOGIN 1
#define ISCSI_REJECT_DATA_DIGEST_ERROR 2
#define ISCSI_REJECT_SNACK_REJECT 3
#define ISCSI_REJECT_PROTOCOL_ERROR 4
#define ISCSI_REJECT_CMD_NOT_SUPPORTED 5
#define ISCSI_REJECT_IMM_CMD_REJECT 6
#define ISCSI_REJECT_TASK_IN_PROGRESS 7
#define ISCSI_REJECT_INVALID_DATA_ACK 8
#define ISCSI_REJECT_INVALID_PDU_FIELD 9
#define ISCSI_REJECT_LONG_OPERATION_REJECT 10
#define ISCSI_REJECT_NEGOTIATION_RESET 11
#define ISCSI_REJECT_WAITING_FOR_LOGOUT 12
/* Defaults as defined by the iSCSI specification */
#define ISCSI_DEFAULT_IMMEDIATE_DATA TRUE
#define ISCSI_DEFAULT_INITIALR2T TRUE
#define ISCSI_DEFAULT_FIRST_BURST_LENGTH (64 * 1024) /* 64kbytes */
#define ISCSI_DEFAULT_MAX_BURST_LENGTH (256 * 1024) /* 256kbytes */
#define ISCSI_DEFAULT_DATA_PDU_IN_ORDER TRUE
#define ISCSI_DEFAULT_DATA_SEQUENCE_IN_ORDER TRUE
#define ISCSI_DEFAULT_TIME_TO_WAIT 2 /* 2 seconds */
#define ISCSI_DEFAULT_TIME_TO_RETAIN 20 /* 20 seconds */
#define ISCSI_DEFAULT_HEADER_DIGEST ISCSI_DIGEST_NONE
#define ISCSI_DEFAULT_DATA_DIGEST ISCSI_DIGEST_NONE
#define ISCSI_DEFAULT_MAX_RECV_SEG_LEN (8 * 1024)
#define ISCSI_DEFAULT_MAX_XMIT_SEG_LEN (8 * 1024)
#define ISCSI_DEFAULT_MAX_CONNECTIONS 1
#define ISCSI_DEFAULT_MAX_OUT_R2T 1
#define ISCSI_DEFAULT_ERROR_RECOVERY_LEVEL 0
#define ISCSI_DEFAULT_IFMARKER FALSE
#define ISCSI_DEFAULT_OFMARKER FALSE
/*
* Maximum values from the iSCSI specification
*/
#define ISCSI_MAX_HEADER_DIGEST 3
#define ISCSI_MAX_DATA_DIGEST 3
#define ISCSI_MAX_TIME2RETAIN 3600
#define ISCSI_MAX_TIME2WAIT 3600
#define ISCSI_MAX_ERROR_RECOVERY_LEVEL 2
#define ISCSI_MAX_FIRST_BURST_LENGTH 0xffffff
#define ISCSI_MAX_BURST_LENGTH 0xffffff
#define ISCSI_MAX_CONNECTIONS 65535
#define ISCSI_MAX_OUTSTANDING_R2T 65535
#define ISCSI_MAX_RECV_DATA_SEGMENT_LENGTH 0xffffff
#define ISCSI_MAX_TPGT_VALUE 65535 /* 16 bit numeric */
/*
* iqn and eui name prefixes and related defines
*/
#define ISCSI_IQN_NAME_PREFIX "iqn"
#define ISCSI_EUI_NAME_PREFIX "eui"
#define ISCSI_EUI_NAME_LEN 20 /* eui. plus 16 octets */
#ifdef __cplusplus
}
#endif
#endif /* _ISCSI_PROTOCOL_H */