1#ifndef ISCSI_PARAMETERS_H 2#define ISCSI_PARAMETERS_H 3 4#include <scsi/iscsi_proto.h> 5 6struct iscsi_extra_response { 7 char key[KEY_MAXLEN]; 8 char value[32]; 9 struct list_head er_list; 10} ____cacheline_aligned; 11 12struct iscsi_param { 13 char *name; 14 char *value; 15 u8 set_param; 16 u8 phase; 17 u8 scope; 18 u8 sender; 19 u8 type; 20 u8 use; 21 u16 type_range; 22 u32 state; 23 struct list_head p_list; 24} ____cacheline_aligned; 25 26extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int); 27extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int); 28extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *); 29extern void iscsi_dump_sess_ops(struct iscsi_sess_ops *); 30extern void iscsi_print_params(struct iscsi_param_list *); 31extern int iscsi_create_default_params(struct iscsi_param_list **); 32extern int iscsi_set_keys_to_negotiate(struct iscsi_param_list *, bool); 33extern int iscsi_set_keys_irrelevant_for_discovery(struct iscsi_param_list *); 34extern int iscsi_copy_param_list(struct iscsi_param_list **, 35 struct iscsi_param_list *, int); 36extern int iscsi_change_param_value(char *, struct iscsi_param_list *, int); 37extern void iscsi_release_param_list(struct iscsi_param_list *); 38extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *); 39extern int iscsi_extract_key_value(char *, char **, char **); 40extern int iscsi_update_param_value(struct iscsi_param *, char *); 41extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *); 42extern int iscsi_encode_text_output(u8, u8, char *, u32 *, 43 struct iscsi_param_list *); 44extern int iscsi_check_negotiated_keys(struct iscsi_param_list *); 45extern void iscsi_set_connection_parameters(struct iscsi_conn_ops *, 46 struct iscsi_param_list *); 47extern void iscsi_set_session_parameters(struct iscsi_sess_ops *, 48 struct iscsi_param_list *, int); 49 50#define YES "Yes" 51#define NO "No" 52#define ALL "All" 53#define IRRELEVANT "Irrelevant" 54#define NONE "None" 55#define NOTUNDERSTOOD "NotUnderstood" 56#define REJECT "Reject" 57 58/* 59 * The Parameter Names. 60 */ 61#define AUTHMETHOD "AuthMethod" 62#define HEADERDIGEST "HeaderDigest" 63#define DATADIGEST "DataDigest" 64#define MAXCONNECTIONS "MaxConnections" 65#define SENDTARGETS "SendTargets" 66#define TARGETNAME "TargetName" 67#define INITIATORNAME "InitiatorName" 68#define TARGETALIAS "TargetAlias" 69#define INITIATORALIAS "InitiatorAlias" 70#define TARGETADDRESS "TargetAddress" 71#define TARGETPORTALGROUPTAG "TargetPortalGroupTag" 72#define INITIALR2T "InitialR2T" 73#define IMMEDIATEDATA "ImmediateData" 74#define MAXRECVDATASEGMENTLENGTH "MaxRecvDataSegmentLength" 75#define MAXXMITDATASEGMENTLENGTH "MaxXmitDataSegmentLength" 76#define MAXBURSTLENGTH "MaxBurstLength" 77#define FIRSTBURSTLENGTH "FirstBurstLength" 78#define DEFAULTTIME2WAIT "DefaultTime2Wait" 79#define DEFAULTTIME2RETAIN "DefaultTime2Retain" 80#define MAXOUTSTANDINGR2T "MaxOutstandingR2T" 81#define DATAPDUINORDER "DataPDUInOrder" 82#define DATASEQUENCEINORDER "DataSequenceInOrder" 83#define ERRORRECOVERYLEVEL "ErrorRecoveryLevel" 84#define SESSIONTYPE "SessionType" 85#define IFMARKER "IFMarker" 86#define OFMARKER "OFMarker" 87#define IFMARKINT "IFMarkInt" 88#define OFMARKINT "OFMarkInt" 89#define X_EXTENSIONKEY "X-com.sbei.version" 90#define X_EXTENSIONKEY_CISCO_NEW "X-com.cisco.protocol" 91#define X_EXTENSIONKEY_CISCO_OLD "X-com.cisco.iscsi.draft" 92 93/* 94 * Parameter names of iSCSI Extentions for RDMA (iSER). See RFC-5046 95 */ 96#define RDMAEXTENSIONS "RDMAExtensions" 97#define INITIATORRECVDATASEGMENTLENGTH "InitiatorRecvDataSegmentLength" 98#define TARGETRECVDATASEGMENTLENGTH "TargetRecvDataSegmentLength" 99 100/* 101 * For AuthMethod. 102 */ 103#define KRB5 "KRB5" 104#define SPKM1 "SPKM1" 105#define SPKM2 "SPKM2" 106#define SRP "SRP" 107#define CHAP "CHAP" 108 109/* 110 * Initial values for Parameter Negotiation. 111 */ 112#define INITIAL_AUTHMETHOD CHAP 113#define INITIAL_HEADERDIGEST "CRC32C,None" 114#define INITIAL_DATADIGEST "CRC32C,None" 115#define INITIAL_MAXCONNECTIONS "1" 116#define INITIAL_SENDTARGETS ALL 117#define INITIAL_TARGETNAME "LIO.Target" 118#define INITIAL_INITIATORNAME "LIO.Initiator" 119#define INITIAL_TARGETALIAS "LIO Target" 120#define INITIAL_INITIATORALIAS "LIO Initiator" 121#define INITIAL_TARGETADDRESS "0.0.0.0:0000,0" 122#define INITIAL_TARGETPORTALGROUPTAG "1" 123#define INITIAL_INITIALR2T YES 124#define INITIAL_IMMEDIATEDATA YES 125#define INITIAL_MAXRECVDATASEGMENTLENGTH "8192" 126/* 127 * Match outgoing MXDSL default to incoming Open-iSCSI default 128 */ 129#define INITIAL_MAXXMITDATASEGMENTLENGTH "262144" 130#define INITIAL_MAXBURSTLENGTH "262144" 131#define INITIAL_FIRSTBURSTLENGTH "65536" 132#define INITIAL_DEFAULTTIME2WAIT "2" 133#define INITIAL_DEFAULTTIME2RETAIN "20" 134#define INITIAL_MAXOUTSTANDINGR2T "1" 135#define INITIAL_DATAPDUINORDER YES 136#define INITIAL_DATASEQUENCEINORDER YES 137#define INITIAL_ERRORRECOVERYLEVEL "0" 138#define INITIAL_SESSIONTYPE NORMAL 139#define INITIAL_IFMARKER NO 140#define INITIAL_OFMARKER NO 141#define INITIAL_IFMARKINT "2048~65535" 142#define INITIAL_OFMARKINT "2048~65535" 143 144/* 145 * Initial values for iSER parameters following RFC-5046 Section 6 146 */ 147#define INITIAL_RDMAEXTENSIONS NO 148#define INITIAL_INITIATORRECVDATASEGMENTLENGTH "262144" 149#define INITIAL_TARGETRECVDATASEGMENTLENGTH "8192" 150 151/* 152 * For [Header,Data]Digests. 153 */ 154#define CRC32C "CRC32C" 155 156/* 157 * For SessionType. 158 */ 159#define DISCOVERY "Discovery" 160#define NORMAL "Normal" 161 162/* 163 * struct iscsi_param->use 164 */ 165#define USE_LEADING_ONLY 0x01 166#define USE_INITIAL_ONLY 0x02 167#define USE_ALL 0x04 168 169#define IS_USE_LEADING_ONLY(p) ((p)->use & USE_LEADING_ONLY) 170#define IS_USE_INITIAL_ONLY(p) ((p)->use & USE_INITIAL_ONLY) 171#define IS_USE_ALL(p) ((p)->use & USE_ALL) 172 173#define SET_USE_INITIAL_ONLY(p) ((p)->use |= USE_INITIAL_ONLY) 174 175/* 176 * struct iscsi_param->sender 177 */ 178#define SENDER_INITIATOR 0x01 179#define SENDER_TARGET 0x02 180#define SENDER_BOTH 0x03 181/* Used in iscsi_check_key() */ 182#define SENDER_RECEIVER 0x04 183 184#define IS_SENDER_INITIATOR(p) ((p)->sender & SENDER_INITIATOR) 185#define IS_SENDER_TARGET(p) ((p)->sender & SENDER_TARGET) 186#define IS_SENDER_BOTH(p) ((p)->sender & SENDER_BOTH) 187 188/* 189 * struct iscsi_param->scope 190 */ 191#define SCOPE_CONNECTION_ONLY 0x01 192#define SCOPE_SESSION_WIDE 0x02 193 194#define IS_SCOPE_CONNECTION_ONLY(p) ((p)->scope & SCOPE_CONNECTION_ONLY) 195#define IS_SCOPE_SESSION_WIDE(p) ((p)->scope & SCOPE_SESSION_WIDE) 196 197/* 198 * struct iscsi_param->phase 199 */ 200#define PHASE_SECURITY 0x01 201#define PHASE_OPERATIONAL 0x02 202#define PHASE_DECLARATIVE 0x04 203#define PHASE_FFP0 0x08 204 205#define IS_PHASE_SECURITY(p) ((p)->phase & PHASE_SECURITY) 206#define IS_PHASE_OPERATIONAL(p) ((p)->phase & PHASE_OPERATIONAL) 207#define IS_PHASE_DECLARATIVE(p) ((p)->phase & PHASE_DECLARATIVE) 208#define IS_PHASE_FFP0(p) ((p)->phase & PHASE_FFP0) 209 210/* 211 * struct iscsi_param->type 212 */ 213#define TYPE_BOOL_AND 0x01 214#define TYPE_BOOL_OR 0x02 215#define TYPE_NUMBER 0x04 216#define TYPE_NUMBER_RANGE 0x08 217#define TYPE_STRING 0x10 218#define TYPE_VALUE_LIST 0x20 219 220#define IS_TYPE_BOOL_AND(p) ((p)->type & TYPE_BOOL_AND) 221#define IS_TYPE_BOOL_OR(p) ((p)->type & TYPE_BOOL_OR) 222#define IS_TYPE_NUMBER(p) ((p)->type & TYPE_NUMBER) 223#define IS_TYPE_NUMBER_RANGE(p) ((p)->type & TYPE_NUMBER_RANGE) 224#define IS_TYPE_STRING(p) ((p)->type & TYPE_STRING) 225#define IS_TYPE_VALUE_LIST(p) ((p)->type & TYPE_VALUE_LIST) 226 227/* 228 * struct iscsi_param->type_range 229 */ 230#define TYPERANGE_BOOL_AND 0x0001 231#define TYPERANGE_BOOL_OR 0x0002 232#define TYPERANGE_0_TO_2 0x0004 233#define TYPERANGE_0_TO_3600 0x0008 234#define TYPERANGE_0_TO_32767 0x0010 235#define TYPERANGE_0_TO_65535 0x0020 236#define TYPERANGE_1_TO_65535 0x0040 237#define TYPERANGE_2_TO_3600 0x0080 238#define TYPERANGE_512_TO_16777215 0x0100 239#define TYPERANGE_AUTH 0x0200 240#define TYPERANGE_DIGEST 0x0400 241#define TYPERANGE_ISCSINAME 0x0800 242#define TYPERANGE_MARKINT 0x1000 243#define TYPERANGE_SESSIONTYPE 0x2000 244#define TYPERANGE_TARGETADDRESS 0x4000 245#define TYPERANGE_UTF8 0x8000 246 247#define IS_TYPERANGE_0_TO_2(p) ((p)->type_range & TYPERANGE_0_TO_2) 248#define IS_TYPERANGE_0_TO_3600(p) ((p)->type_range & TYPERANGE_0_TO_3600) 249#define IS_TYPERANGE_0_TO_32767(p) ((p)->type_range & TYPERANGE_0_TO_32767) 250#define IS_TYPERANGE_0_TO_65535(p) ((p)->type_range & TYPERANGE_0_TO_65535) 251#define IS_TYPERANGE_1_TO_65535(p) ((p)->type_range & TYPERANGE_1_TO_65535) 252#define IS_TYPERANGE_2_TO_3600(p) ((p)->type_range & TYPERANGE_2_TO_3600) 253#define IS_TYPERANGE_512_TO_16777215(p) ((p)->type_range & \ 254 TYPERANGE_512_TO_16777215) 255#define IS_TYPERANGE_AUTH_PARAM(p) ((p)->type_range & TYPERANGE_AUTH) 256#define IS_TYPERANGE_DIGEST_PARAM(p) ((p)->type_range & TYPERANGE_DIGEST) 257#define IS_TYPERANGE_SESSIONTYPE(p) ((p)->type_range & \ 258 TYPERANGE_SESSIONTYPE) 259 260/* 261 * struct iscsi_param->state 262 */ 263#define PSTATE_ACCEPTOR 0x01 264#define PSTATE_NEGOTIATE 0x02 265#define PSTATE_PROPOSER 0x04 266#define PSTATE_IRRELEVANT 0x08 267#define PSTATE_REJECT 0x10 268#define PSTATE_REPLY_OPTIONAL 0x20 269#define PSTATE_RESPONSE_GOT 0x40 270#define PSTATE_RESPONSE_SENT 0x80 271 272#define IS_PSTATE_ACCEPTOR(p) ((p)->state & PSTATE_ACCEPTOR) 273#define IS_PSTATE_NEGOTIATE(p) ((p)->state & PSTATE_NEGOTIATE) 274#define IS_PSTATE_PROPOSER(p) ((p)->state & PSTATE_PROPOSER) 275#define IS_PSTATE_IRRELEVANT(p) ((p)->state & PSTATE_IRRELEVANT) 276#define IS_PSTATE_REJECT(p) ((p)->state & PSTATE_REJECT) 277#define IS_PSTATE_REPLY_OPTIONAL(p) ((p)->state & PSTATE_REPLY_OPTIONAL) 278#define IS_PSTATE_RESPONSE_GOT(p) ((p)->state & PSTATE_RESPONSE_GOT) 279#define IS_PSTATE_RESPONSE_SENT(p) ((p)->state & PSTATE_RESPONSE_SENT) 280 281#define SET_PSTATE_ACCEPTOR(p) ((p)->state |= PSTATE_ACCEPTOR) 282#define SET_PSTATE_NEGOTIATE(p) ((p)->state |= PSTATE_NEGOTIATE) 283#define SET_PSTATE_PROPOSER(p) ((p)->state |= PSTATE_PROPOSER) 284#define SET_PSTATE_IRRELEVANT(p) ((p)->state |= PSTATE_IRRELEVANT) 285#define SET_PSTATE_REJECT(p) ((p)->state |= PSTATE_REJECT) 286#define SET_PSTATE_REPLY_OPTIONAL(p) ((p)->state |= PSTATE_REPLY_OPTIONAL) 287#define SET_PSTATE_RESPONSE_GOT(p) ((p)->state |= PSTATE_RESPONSE_GOT) 288#define SET_PSTATE_RESPONSE_SENT(p) ((p)->state |= PSTATE_RESPONSE_SENT) 289 290#endif /* ISCSI_PARAMETERS_H */ 291