2 * iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc)
4 * Copyright (C) 2005 Dmitry Yusupov
5 * Copyright (C) 2005 Alex Aizman
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published
10 * by the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * See the file COPYING included with this distribution for more details.
24 #include <scsi/iscsi_proto.h>
26 #include <linux/in6.h>
28 #define ISCSI_NL_GRP_ISCSID 1
29 #define ISCSI_NL_GRP_UIP 2
31 #define UEVENT_BASE 10
32 #define KEVENT_BASE 100
33 #define ISCSI_ERR_BASE 1000
36 ISCSI_UEVENT_UNKNOWN = 0,
39 ISCSI_UEVENT_CREATE_SESSION = UEVENT_BASE + 1,
40 ISCSI_UEVENT_DESTROY_SESSION = UEVENT_BASE + 2,
41 ISCSI_UEVENT_CREATE_CONN = UEVENT_BASE + 3,
42 ISCSI_UEVENT_DESTROY_CONN = UEVENT_BASE + 4,
43 ISCSI_UEVENT_BIND_CONN = UEVENT_BASE + 5,
44 ISCSI_UEVENT_SET_PARAM = UEVENT_BASE + 6,
45 ISCSI_UEVENT_START_CONN = UEVENT_BASE + 7,
46 ISCSI_UEVENT_STOP_CONN = UEVENT_BASE + 8,
47 ISCSI_UEVENT_SEND_PDU = UEVENT_BASE + 9,
48 ISCSI_UEVENT_GET_STATS = UEVENT_BASE + 10,
49 ISCSI_UEVENT_GET_PARAM = UEVENT_BASE + 11,
51 ISCSI_UEVENT_TRANSPORT_EP_CONNECT = UEVENT_BASE + 12,
52 ISCSI_UEVENT_TRANSPORT_EP_POLL = UEVENT_BASE + 13,
53 ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT = UEVENT_BASE + 14,
55 ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15,
56 ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16,
57 ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17,
58 ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18,
59 ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19,
61 ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20,
62 ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21,
63 ISCSI_UEVENT_PING = UEVENT_BASE + 22,
64 ISCSI_UEVENT_GET_CHAP = UEVENT_BASE + 23,
65 ISCSI_UEVENT_DELETE_CHAP = UEVENT_BASE + 24,
66 ISCSI_UEVENT_SET_FLASHNODE_PARAMS = UEVENT_BASE + 25,
67 ISCSI_UEVENT_NEW_FLASHNODE = UEVENT_BASE + 26,
68 ISCSI_UEVENT_DEL_FLASHNODE = UEVENT_BASE + 27,
69 ISCSI_UEVENT_LOGIN_FLASHNODE = UEVENT_BASE + 28,
70 ISCSI_UEVENT_LOGOUT_FLASHNODE = UEVENT_BASE + 29,
71 ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30,
74 ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
75 ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2,
76 ISCSI_KEVENT_IF_ERROR = KEVENT_BASE + 3,
77 ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4,
78 ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5,
79 ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6,
81 ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7,
82 ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8,
83 ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9,
84 ISCSI_KEVENT_HOST_EVENT = KEVENT_BASE + 10,
85 ISCSI_KEVENT_PING_COMP = KEVENT_BASE + 11,
88 enum iscsi_tgt_dscvr {
89 ISCSI_TGT_DSCVR_SEND_TARGETS = 1,
90 ISCSI_TGT_DSCVR_ISNS = 2,
91 ISCSI_TGT_DSCVR_SLP = 3,
94 enum iscsi_host_event_code {
95 ISCSI_EVENT_LINKUP = 1,
97 /* must always be last */
101 struct iscsi_uevent {
102 uint32_t type; /* k/u events type */
103 uint32_t iferror; /* carries interface or resource errors */
104 uint64_t transport_handle;
107 /* messages u -> k */
108 struct msg_create_session {
109 uint32_t initial_cmdsn;
111 uint16_t queue_depth;
113 struct msg_create_bound_session {
115 uint32_t initial_cmdsn;
117 uint16_t queue_depth;
119 struct msg_destroy_session {
122 struct msg_create_conn {
126 struct msg_bind_conn {
129 uint64_t transport_eph;
132 struct msg_destroy_conn {
136 struct msg_send_pdu {
142 struct msg_set_param {
145 uint32_t param; /* enum iscsi_param */
148 struct msg_start_conn {
152 struct msg_stop_conn {
155 uint64_t conn_handle;
158 struct msg_get_stats {
162 struct msg_transport_connect {
163 uint32_t non_blocking;
165 struct msg_transport_connect_through_host {
167 uint32_t non_blocking;
168 } ep_connect_through_host;
169 struct msg_transport_poll {
173 struct msg_transport_disconnect {
176 struct msg_tgt_dscvr {
177 enum iscsi_tgt_dscvr type;
180 * enable = 1 to establish a new connection
181 * with the server. enable = 0 to disconnect
182 * from the server. Used primarily to switch
183 * from one iSNS server to another.
187 struct msg_set_host_param {
189 uint32_t param; /* enum iscsi_host_param */
192 struct msg_set_path {
195 struct msg_set_iface_params {
199 struct msg_iscsi_ping {
203 uint32_t payload_size;
204 uint32_t pid; /* unique ping id associated
205 with each ping request */
207 struct msg_get_chap {
209 uint32_t num_entries; /* number of CHAP entries
210 * on request, number of
211 * valid CHAP entries on
213 uint16_t chap_tbl_idx;
215 struct msg_delete_chap {
217 uint16_t chap_tbl_idx;
219 struct msg_set_flashnode_param {
221 uint32_t flashnode_idx;
224 struct msg_new_flashnode {
228 struct msg_del_flashnode {
230 uint32_t flashnode_idx;
232 struct msg_login_flashnode {
234 uint32_t flashnode_idx;
236 struct msg_logout_flashnode {
238 uint32_t flashnode_idx;
240 struct msg_logout_flashnode_sid {
243 } logout_flashnode_sid;
246 /* messages k -> u */
248 struct msg_create_session_ret {
252 struct msg_create_conn_ret {
256 struct msg_unbind_session {
260 struct msg_recv_req {
263 uint64_t recv_handle;
265 struct msg_conn_login {
268 uint32_t state; /* enum iscsi_conn_state */
270 struct msg_conn_error {
273 uint32_t error; /* enum iscsi_err */
275 struct msg_session_destroyed {
279 struct msg_transport_connect_ret {
282 struct msg_req_path {
285 struct msg_notify_if_down {
288 struct msg_host_event {
291 enum iscsi_host_event_code code;
293 struct msg_ping_comp {
295 uint32_t status; /* enum
296 * iscsi_ping_status_code */
297 uint32_t pid; /* unique ping id associated
298 with each ping request */
301 struct msg_new_flashnode_ret {
302 uint32_t flashnode_idx;
305 } __attribute__ ((aligned (sizeof(uint64_t))));
307 enum iscsi_param_type {
308 ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */
309 ISCSI_HOST_PARAM, /* iscsi_host_param */
310 ISCSI_NET_PARAM, /* iscsi_net_param */
311 ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */
314 struct iscsi_iface_param_info {
315 uint32_t iface_num; /* iface number, 0 - n */
316 uint32_t len; /* Actual length of the param */
317 uint16_t param; /* iscsi param value */
318 uint8_t iface_type; /* IPv4 or IPv6 */
319 uint8_t param_type; /* iscsi_param_type */
320 uint8_t value[0]; /* length sized value follows */
324 * To keep the struct iscsi_uevent size the same for userspace code
325 * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
326 * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the
327 * struct iscsi_uevent in the NETLINK_ISCSI message.
332 uint8_t mac_addr_old[6];
333 uint32_t ip_addr_len; /* 4 or 16 */
335 struct in_addr v4_addr;
336 struct in6_addr v6_addr;
339 struct in_addr v4_addr;
340 struct in6_addr v6_addr;
344 } __attribute__ ((aligned (sizeof(uint64_t))));
346 /* iscsi iface enabled/disabled setting */
347 #define ISCSI_IFACE_DISABLE 0x01
348 #define ISCSI_IFACE_ENABLE 0x02
351 #define ISCSI_BOOTPROTO_STATIC 0x01
352 #define ISCSI_BOOTPROTO_DHCP 0x02
354 /* ipv6 addr autoconfig type */
355 #define ISCSI_IPV6_AUTOCFG_DISABLE 0x01
356 #define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02
357 #define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03
359 /* ipv6 link local addr type */
360 #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01
361 #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02
363 /* ipv6 router addr type */
364 #define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01
365 #define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02
367 #define ISCSI_IFACE_TYPE_IPV4 0x01
368 #define ISCSI_IFACE_TYPE_IPV6 0x02
370 #define ISCSI_MAX_VLAN_ID 4095
371 #define ISCSI_MAX_VLAN_PRIORITY 7
373 /* iscsi vlan enable/disabled setting */
374 #define ISCSI_VLAN_DISABLE 0x01
375 #define ISCSI_VLAN_ENABLE 0x02
377 /* iSCSI network params */
378 enum iscsi_net_param {
379 ISCSI_NET_PARAM_IPV4_ADDR = 1,
380 ISCSI_NET_PARAM_IPV4_SUBNET = 2,
381 ISCSI_NET_PARAM_IPV4_GW = 3,
382 ISCSI_NET_PARAM_IPV4_BOOTPROTO = 4,
383 ISCSI_NET_PARAM_MAC = 5,
384 ISCSI_NET_PARAM_IPV6_LINKLOCAL = 6,
385 ISCSI_NET_PARAM_IPV6_ADDR = 7,
386 ISCSI_NET_PARAM_IPV6_ROUTER = 8,
387 ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG = 9,
388 ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG = 10,
389 ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG = 11,
390 ISCSI_NET_PARAM_IFACE_ENABLE = 12,
391 ISCSI_NET_PARAM_VLAN_ID = 13,
392 ISCSI_NET_PARAM_VLAN_PRIORITY = 14,
393 ISCSI_NET_PARAM_VLAN_ENABLED = 15,
394 ISCSI_NET_PARAM_VLAN_TAG = 16,
395 ISCSI_NET_PARAM_IFACE_TYPE = 17,
396 ISCSI_NET_PARAM_IFACE_NAME = 18,
397 ISCSI_NET_PARAM_MTU = 19,
398 ISCSI_NET_PARAM_PORT = 20,
401 enum iscsi_conn_state {
402 ISCSI_CONN_STATE_FREE,
403 ISCSI_CONN_STATE_XPT_WAIT,
404 ISCSI_CONN_STATE_IN_LOGIN,
405 ISCSI_CONN_STATE_LOGGED_IN,
406 ISCSI_CONN_STATE_IN_LOGOUT,
407 ISCSI_CONN_STATE_LOGOUT_REQUESTED,
408 ISCSI_CONN_STATE_CLEANUP_WAIT,
417 ISCSI_ERR_DATASN = ISCSI_ERR_BASE + 1,
418 ISCSI_ERR_DATA_OFFSET = ISCSI_ERR_BASE + 2,
419 ISCSI_ERR_MAX_CMDSN = ISCSI_ERR_BASE + 3,
420 ISCSI_ERR_EXP_CMDSN = ISCSI_ERR_BASE + 4,
421 ISCSI_ERR_BAD_OPCODE = ISCSI_ERR_BASE + 5,
422 ISCSI_ERR_DATALEN = ISCSI_ERR_BASE + 6,
423 ISCSI_ERR_AHSLEN = ISCSI_ERR_BASE + 7,
424 ISCSI_ERR_PROTO = ISCSI_ERR_BASE + 8,
425 ISCSI_ERR_LUN = ISCSI_ERR_BASE + 9,
426 ISCSI_ERR_BAD_ITT = ISCSI_ERR_BASE + 10,
427 ISCSI_ERR_CONN_FAILED = ISCSI_ERR_BASE + 11,
428 ISCSI_ERR_R2TSN = ISCSI_ERR_BASE + 12,
429 ISCSI_ERR_SESSION_FAILED = ISCSI_ERR_BASE + 13,
430 ISCSI_ERR_HDR_DGST = ISCSI_ERR_BASE + 14,
431 ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15,
432 ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16,
433 ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17,
434 ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18,
435 ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19,
436 ISCSI_ERR_TCP_CONN_CLOSE = ISCSI_ERR_BASE + 20,
437 ISCSI_ERR_SCSI_EH_SESSION_RST = ISCSI_ERR_BASE + 21,
441 * iSCSI Parameters (RFC3720)
444 /* passed in using netlink set param */
445 ISCSI_PARAM_MAX_RECV_DLENGTH,
446 ISCSI_PARAM_MAX_XMIT_DLENGTH,
447 ISCSI_PARAM_HDRDGST_EN,
448 ISCSI_PARAM_DATADGST_EN,
449 ISCSI_PARAM_INITIAL_R2T_EN,
451 ISCSI_PARAM_IMM_DATA_EN,
452 ISCSI_PARAM_FIRST_BURST,
453 ISCSI_PARAM_MAX_BURST,
454 ISCSI_PARAM_PDU_INORDER_EN,
455 ISCSI_PARAM_DATASEQ_INORDER_EN,
457 ISCSI_PARAM_IFMARKER_EN,
458 ISCSI_PARAM_OFMARKER_EN,
459 ISCSI_PARAM_EXP_STATSN,
460 ISCSI_PARAM_TARGET_NAME,
462 ISCSI_PARAM_PERSISTENT_ADDRESS,
463 ISCSI_PARAM_PERSISTENT_PORT,
464 ISCSI_PARAM_SESS_RECOVERY_TMO,
466 /* passed in through bind conn using transport_fd */
467 ISCSI_PARAM_CONN_PORT,
468 ISCSI_PARAM_CONN_ADDRESS,
470 ISCSI_PARAM_USERNAME,
471 ISCSI_PARAM_USERNAME_IN,
472 ISCSI_PARAM_PASSWORD,
473 ISCSI_PARAM_PASSWORD_IN,
475 ISCSI_PARAM_FAST_ABORT,
476 ISCSI_PARAM_ABORT_TMO,
477 ISCSI_PARAM_LU_RESET_TMO,
478 ISCSI_PARAM_HOST_RESET_TMO,
480 ISCSI_PARAM_PING_TMO,
481 ISCSI_PARAM_RECV_TMO,
483 ISCSI_PARAM_IFACE_NAME,
485 ISCSI_PARAM_INITIATOR_NAME,
487 ISCSI_PARAM_TGT_RESET_TMO,
488 ISCSI_PARAM_TARGET_ALIAS,
490 ISCSI_PARAM_CHAP_IN_IDX,
491 ISCSI_PARAM_CHAP_OUT_IDX,
493 ISCSI_PARAM_BOOT_ROOT,
494 ISCSI_PARAM_BOOT_NIC,
495 ISCSI_PARAM_BOOT_TARGET,
497 /* must always be last */
501 /* iSCSI HBA params */
502 enum iscsi_host_param {
503 ISCSI_HOST_PARAM_HWADDRESS,
504 ISCSI_HOST_PARAM_INITIATOR_NAME,
505 ISCSI_HOST_PARAM_NETDEV_NAME,
506 ISCSI_HOST_PARAM_IPADDRESS,
507 ISCSI_HOST_PARAM_PORT_STATE,
508 ISCSI_HOST_PARAM_PORT_SPEED,
509 ISCSI_HOST_PARAM_MAX,
513 #define PORTAL_TYPE_IPV4 "ipv4"
514 #define PORTAL_TYPE_IPV6 "ipv6"
516 /* iSCSI Flash Target params */
517 enum iscsi_flashnode_param {
518 ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6,
519 ISCSI_FLASHNODE_PORTAL_TYPE,
520 ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE,
521 ISCSI_FLASHNODE_DISCOVERY_SESS,
522 ISCSI_FLASHNODE_ENTRY_EN,
523 ISCSI_FLASHNODE_HDR_DGST_EN,
524 ISCSI_FLASHNODE_DATA_DGST_EN,
525 ISCSI_FLASHNODE_IMM_DATA_EN,
526 ISCSI_FLASHNODE_INITIAL_R2T_EN,
527 ISCSI_FLASHNODE_DATASEQ_INORDER,
528 ISCSI_FLASHNODE_PDU_INORDER,
529 ISCSI_FLASHNODE_CHAP_AUTH_EN,
530 ISCSI_FLASHNODE_SNACK_REQ_EN,
531 ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN,
532 ISCSI_FLASHNODE_BIDI_CHAP_EN,
533 /* make authentication for discovery sessions optional */
534 ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL,
536 ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT,
537 ISCSI_FLASHNODE_TCP_NAGLE_DISABLE,
538 ISCSI_FLASHNODE_TCP_WSF_DISABLE,
539 ISCSI_FLASHNODE_TCP_TIMER_SCALE,
540 ISCSI_FLASHNODE_TCP_TIMESTAMP_EN,
541 ISCSI_FLASHNODE_IP_FRAG_DISABLE,
542 ISCSI_FLASHNODE_MAX_RECV_DLENGTH,
543 ISCSI_FLASHNODE_MAX_XMIT_DLENGTH,
544 ISCSI_FLASHNODE_FIRST_BURST,
545 ISCSI_FLASHNODE_DEF_TIME2WAIT,
546 ISCSI_FLASHNODE_DEF_TIME2RETAIN,
547 ISCSI_FLASHNODE_MAX_R2T,
548 ISCSI_FLASHNODE_KEEPALIVE_TMO,
549 ISCSI_FLASHNODE_ISID,
550 ISCSI_FLASHNODE_TSID,
551 ISCSI_FLASHNODE_PORT,
552 ISCSI_FLASHNODE_MAX_BURST,
553 ISCSI_FLASHNODE_DEF_TASKMGMT_TMO,
554 ISCSI_FLASHNODE_IPADDR,
555 ISCSI_FLASHNODE_ALIAS,
556 ISCSI_FLASHNODE_REDIRECT_IPADDR,
557 ISCSI_FLASHNODE_MAX_SEGMENT_SIZE,
558 ISCSI_FLASHNODE_LOCAL_PORT,
559 ISCSI_FLASHNODE_IPV4_TOS,
560 ISCSI_FLASHNODE_IPV6_TC,
561 ISCSI_FLASHNODE_IPV6_FLOW_LABEL,
562 ISCSI_FLASHNODE_NAME,
563 ISCSI_FLASHNODE_TPGT,
564 ISCSI_FLASHNODE_LINK_LOCAL_IPV6,
565 ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX,
566 ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE,
567 ISCSI_FLASHNODE_TCP_XMIT_WSF,
568 ISCSI_FLASHNODE_TCP_RECV_WSF,
569 ISCSI_FLASHNODE_CHAP_IN_IDX,
570 ISCSI_FLASHNODE_CHAP_OUT_IDX,
571 ISCSI_FLASHNODE_USERNAME,
572 ISCSI_FLASHNODE_USERNAME_IN,
573 ISCSI_FLASHNODE_PASSWORD,
574 ISCSI_FLASHNODE_PASSWORD_IN,
575 ISCSI_FLASHNODE_STATSN,
576 ISCSI_FLASHNODE_EXP_STATSN,
577 ISCSI_FLASHNODE_IS_BOOT_TGT,
582 struct iscsi_flashnode_param_info {
583 uint32_t len; /* Actual length of the param */
584 uint16_t param; /* iscsi param value */
585 uint8_t value[0]; /* length sized value follows */
588 enum iscsi_discovery_parent_type {
589 ISCSI_DISC_PARENT_UNKNOWN = 0x1,
590 ISCSI_DISC_PARENT_SENDTGT = 0x2,
591 ISCSI_DISC_PARENT_ISNS = 0x3,
594 /* iSCSI port Speed */
595 enum iscsi_port_speed {
596 ISCSI_PORT_SPEED_UNKNOWN = 0x1,
597 ISCSI_PORT_SPEED_10MBPS = 0x2,
598 ISCSI_PORT_SPEED_100MBPS = 0x4,
599 ISCSI_PORT_SPEED_1GBPS = 0x8,
600 ISCSI_PORT_SPEED_10GBPS = 0x10,
603 /* iSCSI port state */
604 enum iscsi_port_state {
605 ISCSI_PORT_STATE_DOWN = 0x1,
606 ISCSI_PORT_STATE_UP = 0x2,
609 /* iSCSI PING status/error code */
610 enum iscsi_ping_status_code {
611 ISCSI_PING_SUCCESS = 0,
612 ISCSI_PING_FW_DISABLED = 0x1,
613 ISCSI_PING_IPADDR_INVALID = 0x2,
614 ISCSI_PING_LINKLOCAL_IPV6_ADDR_INVALID = 0x3,
615 ISCSI_PING_TIMEOUT = 0x4,
616 ISCSI_PING_INVALID_DEST_ADDR = 0x5,
617 ISCSI_PING_OVERSIZE_PACKET = 0x6,
618 ISCSI_PING_ICMP_ERROR = 0x7,
619 ISCSI_PING_MAX_REQ_EXCEEDED = 0x8,
620 ISCSI_PING_NO_ARP_RECEIVED = 0x9,
623 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
624 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
627 * These flags presents iSCSI Data-Path capabilities.
629 #define CAP_RECOVERY_L0 0x1
630 #define CAP_RECOVERY_L1 0x2
631 #define CAP_RECOVERY_L2 0x4
632 #define CAP_MULTI_R2T 0x8
633 #define CAP_HDRDGST 0x10
634 #define CAP_DATADGST 0x20
635 #define CAP_MULTI_CONN 0x40
636 #define CAP_TEXT_NEGO 0x80
637 #define CAP_MARKERS 0x100
638 #define CAP_FW_DB 0x200
639 #define CAP_SENDTARGETS_OFFLOAD 0x400 /* offload discovery process */
640 #define CAP_DATA_PATH_OFFLOAD 0x800 /* offload entire IO path */
641 #define CAP_DIGEST_OFFLOAD 0x1000 /* offload hdr and data digests */
642 #define CAP_PADDING_OFFLOAD 0x2000 /* offload padding insertion, removal,
644 #define CAP_LOGIN_OFFLOAD 0x4000 /* offload session login */
647 * These flags describes reason of stop_conn() call
649 #define STOP_CONN_TERM 0x1
650 #define STOP_CONN_SUSPEND 0x2
651 #define STOP_CONN_RECOVER 0x3
653 #define ISCSI_STATS_CUSTOM_MAX 32
654 #define ISCSI_STATS_CUSTOM_DESC_MAX 64
655 struct iscsi_stats_custom {
656 char desc[ISCSI_STATS_CUSTOM_DESC_MAX];
661 * struct iscsi_stats - iSCSI Statistics (iSCSI MIB)
663 * Note: this structure contains counters collected on per-connection basis.
667 uint64_t txdata_octets;
668 uint64_t rxdata_octets;
672 uint32_t scsicmd_pdus;
673 uint32_t tmfcmd_pdus;
676 uint32_t dataout_pdus;
677 uint32_t logout_pdus;
682 uint32_t scsirsp_pdus;
683 uint32_t tmfrsp_pdus;
684 uint32_t textrsp_pdus;
685 uint32_t datain_pdus;
686 uint32_t logoutrsp_pdus;
693 uint32_t timeout_err;
696 * iSCSI Custom Statistics support, i.e. Transport could
697 * extend existing MIB statistics with its own specific statistics
698 * up to ISCSI_STATS_CUSTOM_MAX
700 uint32_t custom_length;
701 struct iscsi_stats_custom custom[0]
702 __attribute__ ((aligned (sizeof(uint64_t))));
710 #define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256
711 #define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256
712 struct iscsi_chap_rec {
713 uint16_t chap_tbl_idx;
714 enum chap_type_e chap_type;
715 char username[ISCSI_CHAP_AUTH_NAME_MAX_LEN];
716 uint8_t password[ISCSI_CHAP_AUTH_SECRET_MAX_LEN];
717 uint8_t password_length;