2011-07-23 13:43:04 +07:00
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#ifndef ISCSI_PARAMETERS_H
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#define ISCSI_PARAMETERS_H
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2016-11-15 06:47:14 +07:00
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#include <linux/types.h>
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2013-05-24 00:32:17 +07:00
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#include <scsi/iscsi_proto.h>
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2011-07-23 13:43:04 +07:00
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struct iscsi_extra_response {
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2013-05-24 00:32:17 +07:00
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char key[KEY_MAXLEN];
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2011-07-23 13:43:04 +07:00
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char value[32];
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struct list_head er_list;
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} ____cacheline_aligned;
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struct iscsi_param {
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char *name;
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char *value;
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u8 set_param;
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u8 phase;
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u8 scope;
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u8 sender;
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u8 type;
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u8 use;
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u16 type_range;
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u32 state;
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struct list_head p_list;
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} ____cacheline_aligned;
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2016-11-15 06:47:14 +07:00
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struct iscsi_conn;
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struct iscsi_conn_ops;
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struct iscsi_param_list;
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struct iscsi_sess_ops;
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2011-07-23 13:43:04 +07:00
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extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int);
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extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int);
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extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *);
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extern void iscsi_dump_sess_ops(struct iscsi_sess_ops *);
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extern void iscsi_print_params(struct iscsi_param_list *);
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extern int iscsi_create_default_params(struct iscsi_param_list **);
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2013-03-07 12:54:38 +07:00
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extern int iscsi_set_keys_to_negotiate(struct iscsi_param_list *, bool);
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2011-07-23 13:43:04 +07:00
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extern int iscsi_set_keys_irrelevant_for_discovery(struct iscsi_param_list *);
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extern int iscsi_copy_param_list(struct iscsi_param_list **,
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struct iscsi_param_list *, int);
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extern int iscsi_change_param_value(char *, struct iscsi_param_list *, int);
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extern void iscsi_release_param_list(struct iscsi_param_list *);
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extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *);
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extern int iscsi_extract_key_value(char *, char **, char **);
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extern int iscsi_update_param_value(struct iscsi_param *, char *);
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2012-09-30 11:49:59 +07:00
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extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *);
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2011-07-23 13:43:04 +07:00
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extern int iscsi_encode_text_output(u8, u8, char *, u32 *,
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2017-07-08 04:45:49 +07:00
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struct iscsi_param_list *, bool);
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2011-07-23 13:43:04 +07:00
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extern int iscsi_check_negotiated_keys(struct iscsi_param_list *);
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extern void iscsi_set_connection_parameters(struct iscsi_conn_ops *,
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struct iscsi_param_list *);
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extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
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struct iscsi_param_list *, int);
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#define YES "Yes"
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#define NO "No"
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#define ALL "All"
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#define IRRELEVANT "Irrelevant"
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#define NONE "None"
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#define NOTUNDERSTOOD "NotUnderstood"
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#define REJECT "Reject"
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/*
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* The Parameter Names.
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*/
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#define AUTHMETHOD "AuthMethod"
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#define HEADERDIGEST "HeaderDigest"
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#define DATADIGEST "DataDigest"
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#define MAXCONNECTIONS "MaxConnections"
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#define SENDTARGETS "SendTargets"
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#define TARGETNAME "TargetName"
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#define INITIATORNAME "InitiatorName"
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#define TARGETALIAS "TargetAlias"
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#define INITIATORALIAS "InitiatorAlias"
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#define TARGETADDRESS "TargetAddress"
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#define TARGETPORTALGROUPTAG "TargetPortalGroupTag"
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#define INITIALR2T "InitialR2T"
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#define IMMEDIATEDATA "ImmediateData"
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#define MAXRECVDATASEGMENTLENGTH "MaxRecvDataSegmentLength"
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2012-09-30 11:47:16 +07:00
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#define MAXXMITDATASEGMENTLENGTH "MaxXmitDataSegmentLength"
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2011-07-23 13:43:04 +07:00
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#define MAXBURSTLENGTH "MaxBurstLength"
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#define FIRSTBURSTLENGTH "FirstBurstLength"
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#define DEFAULTTIME2WAIT "DefaultTime2Wait"
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#define DEFAULTTIME2RETAIN "DefaultTime2Retain"
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#define MAXOUTSTANDINGR2T "MaxOutstandingR2T"
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#define DATAPDUINORDER "DataPDUInOrder"
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#define DATASEQUENCEINORDER "DataSequenceInOrder"
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#define ERRORRECOVERYLEVEL "ErrorRecoveryLevel"
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#define SESSIONTYPE "SessionType"
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#define IFMARKER "IFMarker"
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#define OFMARKER "OFMarker"
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#define IFMARKINT "IFMarkInt"
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#define OFMARKINT "OFMarkInt"
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#define X_EXTENSIONKEY "X-com.sbei.version"
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#define X_EXTENSIONKEY_CISCO_NEW "X-com.cisco.protocol"
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#define X_EXTENSIONKEY_CISCO_OLD "X-com.cisco.iscsi.draft"
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2013-03-07 12:54:38 +07:00
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/*
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* Parameter names of iSCSI Extentions for RDMA (iSER). See RFC-5046
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*/
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2013-05-12 06:24:21 +07:00
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#define RDMAEXTENSIONS "RDMAExtensions"
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2013-03-07 12:54:38 +07:00
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#define INITIATORRECVDATASEGMENTLENGTH "InitiatorRecvDataSegmentLength"
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#define TARGETRECVDATASEGMENTLENGTH "TargetRecvDataSegmentLength"
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2011-07-23 13:43:04 +07:00
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/*
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* For AuthMethod.
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*/
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#define KRB5 "KRB5"
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#define SPKM1 "SPKM1"
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#define SPKM2 "SPKM2"
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#define SRP "SRP"
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#define CHAP "CHAP"
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/*
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* Initial values for Parameter Negotiation.
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*/
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#define INITIAL_AUTHMETHOD CHAP
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#define INITIAL_HEADERDIGEST "CRC32C,None"
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#define INITIAL_DATADIGEST "CRC32C,None"
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#define INITIAL_MAXCONNECTIONS "1"
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#define INITIAL_SENDTARGETS ALL
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#define INITIAL_TARGETNAME "LIO.Target"
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#define INITIAL_INITIATORNAME "LIO.Initiator"
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#define INITIAL_TARGETALIAS "LIO Target"
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#define INITIAL_INITIATORALIAS "LIO Initiator"
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#define INITIAL_TARGETADDRESS "0.0.0.0:0000,0"
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#define INITIAL_TARGETPORTALGROUPTAG "1"
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#define INITIAL_INITIALR2T YES
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#define INITIAL_IMMEDIATEDATA YES
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#define INITIAL_MAXRECVDATASEGMENTLENGTH "8192"
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2012-09-30 11:47:16 +07:00
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/*
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* Match outgoing MXDSL default to incoming Open-iSCSI default
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*/
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#define INITIAL_MAXXMITDATASEGMENTLENGTH "262144"
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2011-07-23 13:43:04 +07:00
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#define INITIAL_MAXBURSTLENGTH "262144"
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#define INITIAL_FIRSTBURSTLENGTH "65536"
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#define INITIAL_DEFAULTTIME2WAIT "2"
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#define INITIAL_DEFAULTTIME2RETAIN "20"
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#define INITIAL_MAXOUTSTANDINGR2T "1"
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#define INITIAL_DATAPDUINORDER YES
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#define INITIAL_DATASEQUENCEINORDER YES
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#define INITIAL_ERRORRECOVERYLEVEL "0"
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#define INITIAL_SESSIONTYPE NORMAL
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#define INITIAL_IFMARKER NO
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#define INITIAL_OFMARKER NO
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iscsi-target: remove support for obsolete markers
Support for markers is currently broken because of a bug in
iscsi_enforce_integrity_rules(): the "IFMarkInt_Reject" and
"OFMarkInt_Reject" variables are always equal to 1 in
iscsi_enforce_integrity_rules().
Moreover, fixed interval markers keys (IFMarker, OFMarker, IFMarkInt
and OFMarkInt) are obsolete according to iSCSI RFC 7143:
>From http://tools.ietf.org/html/rfc7143#section-13.25:
13.25. Obsoleted Keys
This document obsoletes the following keys defined in [RFC3720]:
IFMarker, OFMarker, OFMarkInt, and IFMarkInt. However, iSCSI
implementations compliant to this document may still receive these
obsoleted keys -- i.e., in a responder role -- in a text negotiation.
When an IFMarker or OFMarker key is received, a compliant iSCSI
implementation SHOULD respond with the constant "Reject" value. The
implementation MAY alternatively respond with a "No" value.
However, the implementation MUST NOT respond with a "NotUnderstood"
value for either of these keys.
When an IFMarkInt or OFMarkInt key is received, a compliant iSCSI
implementation MUST respond with the constant "Reject" value. The
implementation MUST NOT respond with a "NotUnderstood" value for
either of these keys.
This patch disables markers by turning the corresponding parameters to
read-only. The default value of IFMarker and OFMarker remains "No" but
the user cannot change it to "Yes" anymore. The new value of IFMarkInt
and OFMarkInt is "Reject".
(Drop left-over iscsi_get_value_from_number_range + make configfs
parameters attrs R/W nops - nab)
Signed-off-by: Christophe Vu-Brugier <cvubrugier@fastmail.fm>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-04-20 03:18:33 +07:00
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#define INITIAL_IFMARKINT REJECT
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#define INITIAL_OFMARKINT REJECT
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2011-07-23 13:43:04 +07:00
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2013-03-07 12:54:38 +07:00
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/*
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* Initial values for iSER parameters following RFC-5046 Section 6
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*/
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2013-05-12 06:24:21 +07:00
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#define INITIAL_RDMAEXTENSIONS NO
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2013-03-07 12:54:38 +07:00
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#define INITIAL_INITIATORRECVDATASEGMENTLENGTH "262144"
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#define INITIAL_TARGETRECVDATASEGMENTLENGTH "8192"
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2011-07-23 13:43:04 +07:00
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/*
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* For [Header,Data]Digests.
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*/
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#define CRC32C "CRC32C"
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/*
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* For SessionType.
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*/
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#define DISCOVERY "Discovery"
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#define NORMAL "Normal"
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/*
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* struct iscsi_param->use
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*/
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#define USE_LEADING_ONLY 0x01
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#define USE_INITIAL_ONLY 0x02
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#define USE_ALL 0x04
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#define IS_USE_LEADING_ONLY(p) ((p)->use & USE_LEADING_ONLY)
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#define IS_USE_INITIAL_ONLY(p) ((p)->use & USE_INITIAL_ONLY)
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#define IS_USE_ALL(p) ((p)->use & USE_ALL)
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#define SET_USE_INITIAL_ONLY(p) ((p)->use |= USE_INITIAL_ONLY)
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/*
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* struct iscsi_param->sender
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*/
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#define SENDER_INITIATOR 0x01
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#define SENDER_TARGET 0x02
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#define SENDER_BOTH 0x03
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/* Used in iscsi_check_key() */
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#define SENDER_RECEIVER 0x04
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#define IS_SENDER_INITIATOR(p) ((p)->sender & SENDER_INITIATOR)
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#define IS_SENDER_TARGET(p) ((p)->sender & SENDER_TARGET)
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#define IS_SENDER_BOTH(p) ((p)->sender & SENDER_BOTH)
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/*
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* struct iscsi_param->scope
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*/
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#define SCOPE_CONNECTION_ONLY 0x01
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#define SCOPE_SESSION_WIDE 0x02
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#define IS_SCOPE_CONNECTION_ONLY(p) ((p)->scope & SCOPE_CONNECTION_ONLY)
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#define IS_SCOPE_SESSION_WIDE(p) ((p)->scope & SCOPE_SESSION_WIDE)
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/*
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* struct iscsi_param->phase
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*/
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#define PHASE_SECURITY 0x01
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#define PHASE_OPERATIONAL 0x02
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#define PHASE_DECLARATIVE 0x04
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#define PHASE_FFP0 0x08
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#define IS_PHASE_SECURITY(p) ((p)->phase & PHASE_SECURITY)
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#define IS_PHASE_OPERATIONAL(p) ((p)->phase & PHASE_OPERATIONAL)
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#define IS_PHASE_DECLARATIVE(p) ((p)->phase & PHASE_DECLARATIVE)
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#define IS_PHASE_FFP0(p) ((p)->phase & PHASE_FFP0)
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/*
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* struct iscsi_param->type
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*/
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#define TYPE_BOOL_AND 0x01
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#define TYPE_BOOL_OR 0x02
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#define TYPE_NUMBER 0x04
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#define TYPE_NUMBER_RANGE 0x08
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#define TYPE_STRING 0x10
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#define TYPE_VALUE_LIST 0x20
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#define IS_TYPE_BOOL_AND(p) ((p)->type & TYPE_BOOL_AND)
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#define IS_TYPE_BOOL_OR(p) ((p)->type & TYPE_BOOL_OR)
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#define IS_TYPE_NUMBER(p) ((p)->type & TYPE_NUMBER)
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#define IS_TYPE_NUMBER_RANGE(p) ((p)->type & TYPE_NUMBER_RANGE)
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#define IS_TYPE_STRING(p) ((p)->type & TYPE_STRING)
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#define IS_TYPE_VALUE_LIST(p) ((p)->type & TYPE_VALUE_LIST)
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/*
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* struct iscsi_param->type_range
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*/
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#define TYPERANGE_BOOL_AND 0x0001
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#define TYPERANGE_BOOL_OR 0x0002
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#define TYPERANGE_0_TO_2 0x0004
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#define TYPERANGE_0_TO_3600 0x0008
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#define TYPERANGE_0_TO_32767 0x0010
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#define TYPERANGE_0_TO_65535 0x0020
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#define TYPERANGE_1_TO_65535 0x0040
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#define TYPERANGE_2_TO_3600 0x0080
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#define TYPERANGE_512_TO_16777215 0x0100
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#define TYPERANGE_AUTH 0x0200
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#define TYPERANGE_DIGEST 0x0400
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#define TYPERANGE_ISCSINAME 0x0800
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iscsi-target: remove support for obsolete markers
Support for markers is currently broken because of a bug in
iscsi_enforce_integrity_rules(): the "IFMarkInt_Reject" and
"OFMarkInt_Reject" variables are always equal to 1 in
iscsi_enforce_integrity_rules().
Moreover, fixed interval markers keys (IFMarker, OFMarker, IFMarkInt
and OFMarkInt) are obsolete according to iSCSI RFC 7143:
>From http://tools.ietf.org/html/rfc7143#section-13.25:
13.25. Obsoleted Keys
This document obsoletes the following keys defined in [RFC3720]:
IFMarker, OFMarker, OFMarkInt, and IFMarkInt. However, iSCSI
implementations compliant to this document may still receive these
obsoleted keys -- i.e., in a responder role -- in a text negotiation.
When an IFMarker or OFMarker key is received, a compliant iSCSI
implementation SHOULD respond with the constant "Reject" value. The
implementation MAY alternatively respond with a "No" value.
However, the implementation MUST NOT respond with a "NotUnderstood"
value for either of these keys.
When an IFMarkInt or OFMarkInt key is received, a compliant iSCSI
implementation MUST respond with the constant "Reject" value. The
implementation MUST NOT respond with a "NotUnderstood" value for
either of these keys.
This patch disables markers by turning the corresponding parameters to
read-only. The default value of IFMarker and OFMarker remains "No" but
the user cannot change it to "Yes" anymore. The new value of IFMarkInt
and OFMarkInt is "Reject".
(Drop left-over iscsi_get_value_from_number_range + make configfs
parameters attrs R/W nops - nab)
Signed-off-by: Christophe Vu-Brugier <cvubrugier@fastmail.fm>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-04-20 03:18:33 +07:00
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#define TYPERANGE_SESSIONTYPE 0x1000
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#define TYPERANGE_TARGETADDRESS 0x2000
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#define TYPERANGE_UTF8 0x4000
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2011-07-23 13:43:04 +07:00
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#define IS_TYPERANGE_0_TO_2(p) ((p)->type_range & TYPERANGE_0_TO_2)
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#define IS_TYPERANGE_0_TO_3600(p) ((p)->type_range & TYPERANGE_0_TO_3600)
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#define IS_TYPERANGE_0_TO_32767(p) ((p)->type_range & TYPERANGE_0_TO_32767)
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#define IS_TYPERANGE_0_TO_65535(p) ((p)->type_range & TYPERANGE_0_TO_65535)
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#define IS_TYPERANGE_1_TO_65535(p) ((p)->type_range & TYPERANGE_1_TO_65535)
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#define IS_TYPERANGE_2_TO_3600(p) ((p)->type_range & TYPERANGE_2_TO_3600)
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#define IS_TYPERANGE_512_TO_16777215(p) ((p)->type_range & \
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TYPERANGE_512_TO_16777215)
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#define IS_TYPERANGE_AUTH_PARAM(p) ((p)->type_range & TYPERANGE_AUTH)
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#define IS_TYPERANGE_DIGEST_PARAM(p) ((p)->type_range & TYPERANGE_DIGEST)
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#define IS_TYPERANGE_SESSIONTYPE(p) ((p)->type_range & \
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TYPERANGE_SESSIONTYPE)
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/*
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* struct iscsi_param->state
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*/
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#define PSTATE_ACCEPTOR 0x01
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#define PSTATE_NEGOTIATE 0x02
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#define PSTATE_PROPOSER 0x04
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#define PSTATE_IRRELEVANT 0x08
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#define PSTATE_REJECT 0x10
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#define PSTATE_REPLY_OPTIONAL 0x20
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#define PSTATE_RESPONSE_GOT 0x40
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#define PSTATE_RESPONSE_SENT 0x80
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#define IS_PSTATE_ACCEPTOR(p) ((p)->state & PSTATE_ACCEPTOR)
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#define IS_PSTATE_NEGOTIATE(p) ((p)->state & PSTATE_NEGOTIATE)
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#define IS_PSTATE_PROPOSER(p) ((p)->state & PSTATE_PROPOSER)
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#define IS_PSTATE_IRRELEVANT(p) ((p)->state & PSTATE_IRRELEVANT)
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#define IS_PSTATE_REJECT(p) ((p)->state & PSTATE_REJECT)
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#define IS_PSTATE_REPLY_OPTIONAL(p) ((p)->state & PSTATE_REPLY_OPTIONAL)
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#define IS_PSTATE_RESPONSE_GOT(p) ((p)->state & PSTATE_RESPONSE_GOT)
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#define IS_PSTATE_RESPONSE_SENT(p) ((p)->state & PSTATE_RESPONSE_SENT)
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#define SET_PSTATE_ACCEPTOR(p) ((p)->state |= PSTATE_ACCEPTOR)
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#define SET_PSTATE_NEGOTIATE(p) ((p)->state |= PSTATE_NEGOTIATE)
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#define SET_PSTATE_PROPOSER(p) ((p)->state |= PSTATE_PROPOSER)
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#define SET_PSTATE_IRRELEVANT(p) ((p)->state |= PSTATE_IRRELEVANT)
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#define SET_PSTATE_REJECT(p) ((p)->state |= PSTATE_REJECT)
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#define SET_PSTATE_REPLY_OPTIONAL(p) ((p)->state |= PSTATE_REPLY_OPTIONAL)
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#define SET_PSTATE_RESPONSE_GOT(p) ((p)->state |= PSTATE_RESPONSE_GOT)
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#define SET_PSTATE_RESPONSE_SENT(p) ((p)->state |= PSTATE_RESPONSE_SENT)
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#endif /* ISCSI_PARAMETERS_H */
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