2 * iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc)
4 * Copyright (C) 2005 Dmitry Yusupov
5 * Copyright (C) 2005 Alex Aizman
6 * maintained by open-iscsi@googlegroups.com
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,
72 ISCSI_UEVENT_SET_CHAP = UEVENT_BASE + 31,
75 ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
76 ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2,
77 ISCSI_KEVENT_IF_ERROR = KEVENT_BASE + 3,
78 ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4,
79 ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5,
80 ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6,
82 ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7,
83 ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8,
84 ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9,
85 ISCSI_KEVENT_HOST_EVENT = KEVENT_BASE + 10,
86 ISCSI_KEVENT_PING_COMP = KEVENT_BASE + 11,
89 enum iscsi_tgt_dscvr {
90 ISCSI_TGT_DSCVR_SEND_TARGETS = 1,
91 ISCSI_TGT_DSCVR_ISNS = 2,
92 ISCSI_TGT_DSCVR_SLP = 3,
95 enum iscsi_host_event_code {
96 ISCSI_EVENT_LINKUP = 1,
98 /* must always be last */
102 struct iscsi_uevent {
103 uint32_t type; /* k/u events type */
104 uint32_t iferror; /* carries interface or resource errors */
105 uint64_t transport_handle;
108 /* messages u -> k */
109 struct msg_create_session {
110 uint32_t initial_cmdsn;
112 uint16_t queue_depth;
114 struct msg_create_bound_session {
116 uint32_t initial_cmdsn;
118 uint16_t queue_depth;
120 struct msg_destroy_session {
123 struct msg_create_conn {
127 struct msg_bind_conn {
130 uint64_t transport_eph;
133 struct msg_destroy_conn {
137 struct msg_send_pdu {
143 struct msg_set_param {
146 uint32_t param; /* enum iscsi_param */
149 struct msg_start_conn {
153 struct msg_stop_conn {
156 uint64_t conn_handle;
159 struct msg_get_stats {
163 struct msg_transport_connect {
164 uint32_t non_blocking;
166 struct msg_transport_connect_through_host {
168 uint32_t non_blocking;
169 } ep_connect_through_host;
170 struct msg_transport_poll {
174 struct msg_transport_disconnect {
177 struct msg_tgt_dscvr {
178 enum iscsi_tgt_dscvr type;
181 * enable = 1 to establish a new connection
182 * with the server. enable = 0 to disconnect
183 * from the server. Used primarily to switch
184 * from one iSNS server to another.
188 struct msg_set_host_param {
190 uint32_t param; /* enum iscsi_host_param */
193 struct msg_set_path {
196 struct msg_set_iface_params {
200 struct msg_iscsi_ping {
204 uint32_t payload_size;
205 uint32_t pid; /* unique ping id associated
206 with each ping request */
208 struct msg_get_chap {
210 uint32_t num_entries; /* number of CHAP entries
211 * on request, number of
212 * valid CHAP entries on
214 uint16_t chap_tbl_idx;
216 struct msg_delete_chap {
218 uint16_t chap_tbl_idx;
220 struct msg_set_flashnode_param {
222 uint32_t flashnode_idx;
225 struct msg_new_flashnode {
229 struct msg_del_flashnode {
231 uint32_t flashnode_idx;
233 struct msg_login_flashnode {
235 uint32_t flashnode_idx;
237 struct msg_logout_flashnode {
239 uint32_t flashnode_idx;
241 struct msg_logout_flashnode_sid {
244 } logout_flashnode_sid;
247 /* messages k -> u */
249 struct msg_create_session_ret {
253 struct msg_create_conn_ret {
257 struct msg_unbind_session {
261 struct msg_recv_req {
264 uint64_t recv_handle;
266 struct msg_conn_login {
269 uint32_t state; /* enum iscsi_conn_state */
271 struct msg_conn_error {
274 uint32_t error; /* enum iscsi_err */
276 struct msg_session_destroyed {
280 struct msg_transport_connect_ret {
283 struct msg_req_path {
286 struct msg_notify_if_down {
289 struct msg_host_event {
292 enum iscsi_host_event_code code;
294 struct msg_ping_comp {
296 uint32_t status; /* enum
297 * iscsi_ping_status_code */
298 uint32_t pid; /* unique ping id associated
299 with each ping request */
302 struct msg_new_flashnode_ret {
303 uint32_t flashnode_idx;
306 } __attribute__ ((aligned (sizeof(uint64_t))));
308 enum iscsi_param_type {
309 ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */
310 ISCSI_HOST_PARAM, /* iscsi_host_param */
311 ISCSI_NET_PARAM, /* iscsi_net_param */
312 ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */
313 ISCSI_CHAP_PARAM, /* iscsi_chap_param */
316 /* structure for minimalist usecase */
317 struct iscsi_param_info {
318 uint32_t len; /* Actual length of the param value */
319 uint16_t param; /* iscsi param */
320 uint8_t value[0]; /* length sized value follows */
323 struct iscsi_iface_param_info {
324 uint32_t iface_num; /* iface number, 0 - n */
325 uint32_t len; /* Actual length of the param */
326 uint16_t param; /* iscsi param value */
327 uint8_t iface_type; /* IPv4 or IPv6 */
328 uint8_t param_type; /* iscsi_param_type */
329 uint8_t value[0]; /* length sized value follows */
333 * To keep the struct iscsi_uevent size the same for userspace code
334 * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
335 * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the
336 * struct iscsi_uevent in the NETLINK_ISCSI message.
341 uint8_t mac_addr_old[6];
342 uint32_t ip_addr_len; /* 4 or 16 */
344 struct in_addr v4_addr;
345 struct in6_addr v6_addr;
348 struct in_addr v4_addr;
349 struct in6_addr v6_addr;
353 } __attribute__ ((aligned (sizeof(uint64_t))));
355 /* iscsi iface enabled/disabled setting */
356 #define ISCSI_IFACE_DISABLE 0x01
357 #define ISCSI_IFACE_ENABLE 0x02
360 #define ISCSI_BOOTPROTO_STATIC 0x01
361 #define ISCSI_BOOTPROTO_DHCP 0x02
363 /* ipv6 addr autoconfig type */
364 #define ISCSI_IPV6_AUTOCFG_DISABLE 0x01
365 #define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02
366 #define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03
368 /* ipv6 link local addr type */
369 #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01
370 #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02
372 /* ipv6 router addr type */
373 #define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01
374 #define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02
376 #define ISCSI_IFACE_TYPE_IPV4 0x01
377 #define ISCSI_IFACE_TYPE_IPV6 0x02
379 #define ISCSI_MAX_VLAN_ID 4095
380 #define ISCSI_MAX_VLAN_PRIORITY 7
382 /* iscsi vlan enable/disabled setting */
383 #define ISCSI_VLAN_DISABLE 0x01
384 #define ISCSI_VLAN_ENABLE 0x02
386 /* iSCSI network params */
387 enum iscsi_net_param {
388 ISCSI_NET_PARAM_IPV4_ADDR = 1,
389 ISCSI_NET_PARAM_IPV4_SUBNET = 2,
390 ISCSI_NET_PARAM_IPV4_GW = 3,
391 ISCSI_NET_PARAM_IPV4_BOOTPROTO = 4,
392 ISCSI_NET_PARAM_MAC = 5,
393 ISCSI_NET_PARAM_IPV6_LINKLOCAL = 6,
394 ISCSI_NET_PARAM_IPV6_ADDR = 7,
395 ISCSI_NET_PARAM_IPV6_ROUTER = 8,
396 ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG = 9,
397 ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG = 10,
398 ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG = 11,
399 ISCSI_NET_PARAM_IFACE_ENABLE = 12,
400 ISCSI_NET_PARAM_VLAN_ID = 13,
401 ISCSI_NET_PARAM_VLAN_PRIORITY = 14,
402 ISCSI_NET_PARAM_VLAN_ENABLED = 15,
403 ISCSI_NET_PARAM_VLAN_TAG = 16,
404 ISCSI_NET_PARAM_IFACE_TYPE = 17,
405 ISCSI_NET_PARAM_IFACE_NAME = 18,
406 ISCSI_NET_PARAM_MTU = 19,
407 ISCSI_NET_PARAM_PORT = 20,
410 enum iscsi_conn_state {
411 ISCSI_CONN_STATE_FREE,
412 ISCSI_CONN_STATE_XPT_WAIT,
413 ISCSI_CONN_STATE_IN_LOGIN,
414 ISCSI_CONN_STATE_LOGGED_IN,
415 ISCSI_CONN_STATE_IN_LOGOUT,
416 ISCSI_CONN_STATE_LOGOUT_REQUESTED,
417 ISCSI_CONN_STATE_CLEANUP_WAIT,
426 ISCSI_ERR_DATASN = ISCSI_ERR_BASE + 1,
427 ISCSI_ERR_DATA_OFFSET = ISCSI_ERR_BASE + 2,
428 ISCSI_ERR_MAX_CMDSN = ISCSI_ERR_BASE + 3,
429 ISCSI_ERR_EXP_CMDSN = ISCSI_ERR_BASE + 4,
430 ISCSI_ERR_BAD_OPCODE = ISCSI_ERR_BASE + 5,
431 ISCSI_ERR_DATALEN = ISCSI_ERR_BASE + 6,
432 ISCSI_ERR_AHSLEN = ISCSI_ERR_BASE + 7,
433 ISCSI_ERR_PROTO = ISCSI_ERR_BASE + 8,
434 ISCSI_ERR_LUN = ISCSI_ERR_BASE + 9,
435 ISCSI_ERR_BAD_ITT = ISCSI_ERR_BASE + 10,
436 ISCSI_ERR_CONN_FAILED = ISCSI_ERR_BASE + 11,
437 ISCSI_ERR_R2TSN = ISCSI_ERR_BASE + 12,
438 ISCSI_ERR_SESSION_FAILED = ISCSI_ERR_BASE + 13,
439 ISCSI_ERR_HDR_DGST = ISCSI_ERR_BASE + 14,
440 ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15,
441 ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16,
442 ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17,
443 ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18,
444 ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19,
445 ISCSI_ERR_TCP_CONN_CLOSE = ISCSI_ERR_BASE + 20,
446 ISCSI_ERR_SCSI_EH_SESSION_RST = ISCSI_ERR_BASE + 21,
450 * iSCSI Parameters (RFC3720)
453 /* passed in using netlink set param */
454 ISCSI_PARAM_MAX_RECV_DLENGTH,
455 ISCSI_PARAM_MAX_XMIT_DLENGTH,
456 ISCSI_PARAM_HDRDGST_EN,
457 ISCSI_PARAM_DATADGST_EN,
458 ISCSI_PARAM_INITIAL_R2T_EN,
460 ISCSI_PARAM_IMM_DATA_EN,
461 ISCSI_PARAM_FIRST_BURST,
462 ISCSI_PARAM_MAX_BURST,
463 ISCSI_PARAM_PDU_INORDER_EN,
464 ISCSI_PARAM_DATASEQ_INORDER_EN,
466 ISCSI_PARAM_IFMARKER_EN,
467 ISCSI_PARAM_OFMARKER_EN,
468 ISCSI_PARAM_EXP_STATSN,
469 ISCSI_PARAM_TARGET_NAME,
471 ISCSI_PARAM_PERSISTENT_ADDRESS,
472 ISCSI_PARAM_PERSISTENT_PORT,
473 ISCSI_PARAM_SESS_RECOVERY_TMO,
475 /* passed in through bind conn using transport_fd */
476 ISCSI_PARAM_CONN_PORT,
477 ISCSI_PARAM_CONN_ADDRESS,
479 ISCSI_PARAM_USERNAME,
480 ISCSI_PARAM_USERNAME_IN,
481 ISCSI_PARAM_PASSWORD,
482 ISCSI_PARAM_PASSWORD_IN,
484 ISCSI_PARAM_FAST_ABORT,
485 ISCSI_PARAM_ABORT_TMO,
486 ISCSI_PARAM_LU_RESET_TMO,
487 ISCSI_PARAM_HOST_RESET_TMO,
489 ISCSI_PARAM_PING_TMO,
490 ISCSI_PARAM_RECV_TMO,
492 ISCSI_PARAM_IFACE_NAME,
494 ISCSI_PARAM_INITIATOR_NAME,
496 ISCSI_PARAM_TGT_RESET_TMO,
497 ISCSI_PARAM_TARGET_ALIAS,
499 ISCSI_PARAM_CHAP_IN_IDX,
500 ISCSI_PARAM_CHAP_OUT_IDX,
502 ISCSI_PARAM_BOOT_ROOT,
503 ISCSI_PARAM_BOOT_NIC,
504 ISCSI_PARAM_BOOT_TARGET,
506 ISCSI_PARAM_AUTO_SND_TGT_DISABLE,
507 ISCSI_PARAM_DISCOVERY_SESS,
508 ISCSI_PARAM_PORTAL_TYPE,
509 ISCSI_PARAM_CHAP_AUTH_EN,
510 ISCSI_PARAM_DISCOVERY_LOGOUT_EN,
511 ISCSI_PARAM_BIDI_CHAP_EN,
512 ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL,
514 ISCSI_PARAM_DEF_TIME2WAIT,
515 ISCSI_PARAM_DEF_TIME2RETAIN,
516 ISCSI_PARAM_MAX_SEGMENT_SIZE,
518 ISCSI_PARAM_KEEPALIVE_TMO,
519 ISCSI_PARAM_LOCAL_PORT,
521 ISCSI_PARAM_DEF_TASKMGMT_TMO,
523 ISCSI_PARAM_TCP_TIMESTAMP_STAT,
524 ISCSI_PARAM_TCP_WSF_DISABLE,
525 ISCSI_PARAM_TCP_NAGLE_DISABLE,
526 ISCSI_PARAM_TCP_TIMER_SCALE,
527 ISCSI_PARAM_TCP_TIMESTAMP_EN,
528 ISCSI_PARAM_TCP_XMIT_WSF,
529 ISCSI_PARAM_TCP_RECV_WSF,
530 ISCSI_PARAM_IP_FRAGMENT_DISABLE,
531 ISCSI_PARAM_IPV4_TOS,
533 ISCSI_PARAM_IPV6_FLOW_LABEL,
534 ISCSI_PARAM_IS_FW_ASSIGNED_IPV6,
536 ISCSI_PARAM_DISCOVERY_PARENT_IDX,
537 ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
538 /* must always be last */
542 /* iSCSI HBA params */
543 enum iscsi_host_param {
544 ISCSI_HOST_PARAM_HWADDRESS,
545 ISCSI_HOST_PARAM_INITIATOR_NAME,
546 ISCSI_HOST_PARAM_NETDEV_NAME,
547 ISCSI_HOST_PARAM_IPADDRESS,
548 ISCSI_HOST_PARAM_PORT_STATE,
549 ISCSI_HOST_PARAM_PORT_SPEED,
550 ISCSI_HOST_PARAM_MAX,
554 #define PORTAL_TYPE_IPV4 "ipv4"
555 #define PORTAL_TYPE_IPV6 "ipv6"
557 /* iSCSI Flash Target params */
558 enum iscsi_flashnode_param {
559 ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6,
560 ISCSI_FLASHNODE_PORTAL_TYPE,
561 ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE,
562 ISCSI_FLASHNODE_DISCOVERY_SESS,
563 ISCSI_FLASHNODE_ENTRY_EN,
564 ISCSI_FLASHNODE_HDR_DGST_EN,
565 ISCSI_FLASHNODE_DATA_DGST_EN,
566 ISCSI_FLASHNODE_IMM_DATA_EN,
567 ISCSI_FLASHNODE_INITIAL_R2T_EN,
568 ISCSI_FLASHNODE_DATASEQ_INORDER,
569 ISCSI_FLASHNODE_PDU_INORDER,
570 ISCSI_FLASHNODE_CHAP_AUTH_EN,
571 ISCSI_FLASHNODE_SNACK_REQ_EN,
572 ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN,
573 ISCSI_FLASHNODE_BIDI_CHAP_EN,
574 /* make authentication for discovery sessions optional */
575 ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL,
577 ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT,
578 ISCSI_FLASHNODE_TCP_NAGLE_DISABLE,
579 ISCSI_FLASHNODE_TCP_WSF_DISABLE,
580 ISCSI_FLASHNODE_TCP_TIMER_SCALE,
581 ISCSI_FLASHNODE_TCP_TIMESTAMP_EN,
582 ISCSI_FLASHNODE_IP_FRAG_DISABLE,
583 ISCSI_FLASHNODE_MAX_RECV_DLENGTH,
584 ISCSI_FLASHNODE_MAX_XMIT_DLENGTH,
585 ISCSI_FLASHNODE_FIRST_BURST,
586 ISCSI_FLASHNODE_DEF_TIME2WAIT,
587 ISCSI_FLASHNODE_DEF_TIME2RETAIN,
588 ISCSI_FLASHNODE_MAX_R2T,
589 ISCSI_FLASHNODE_KEEPALIVE_TMO,
590 ISCSI_FLASHNODE_ISID,
591 ISCSI_FLASHNODE_TSID,
592 ISCSI_FLASHNODE_PORT,
593 ISCSI_FLASHNODE_MAX_BURST,
594 ISCSI_FLASHNODE_DEF_TASKMGMT_TMO,
595 ISCSI_FLASHNODE_IPADDR,
596 ISCSI_FLASHNODE_ALIAS,
597 ISCSI_FLASHNODE_REDIRECT_IPADDR,
598 ISCSI_FLASHNODE_MAX_SEGMENT_SIZE,
599 ISCSI_FLASHNODE_LOCAL_PORT,
600 ISCSI_FLASHNODE_IPV4_TOS,
601 ISCSI_FLASHNODE_IPV6_TC,
602 ISCSI_FLASHNODE_IPV6_FLOW_LABEL,
603 ISCSI_FLASHNODE_NAME,
604 ISCSI_FLASHNODE_TPGT,
605 ISCSI_FLASHNODE_LINK_LOCAL_IPV6,
606 ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX,
607 ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE,
608 ISCSI_FLASHNODE_TCP_XMIT_WSF,
609 ISCSI_FLASHNODE_TCP_RECV_WSF,
610 ISCSI_FLASHNODE_CHAP_IN_IDX,
611 ISCSI_FLASHNODE_CHAP_OUT_IDX,
612 ISCSI_FLASHNODE_USERNAME,
613 ISCSI_FLASHNODE_USERNAME_IN,
614 ISCSI_FLASHNODE_PASSWORD,
615 ISCSI_FLASHNODE_PASSWORD_IN,
616 ISCSI_FLASHNODE_STATSN,
617 ISCSI_FLASHNODE_EXP_STATSN,
618 ISCSI_FLASHNODE_IS_BOOT_TGT,
623 struct iscsi_flashnode_param_info {
624 uint32_t len; /* Actual length of the param */
625 uint16_t param; /* iscsi param value */
626 uint8_t value[0]; /* length sized value follows */
629 enum iscsi_discovery_parent_type {
630 ISCSI_DISC_PARENT_UNKNOWN = 0x1,
631 ISCSI_DISC_PARENT_SENDTGT = 0x2,
632 ISCSI_DISC_PARENT_ISNS = 0x3,
635 /* iSCSI port Speed */
636 enum iscsi_port_speed {
637 ISCSI_PORT_SPEED_UNKNOWN = 0x1,
638 ISCSI_PORT_SPEED_10MBPS = 0x2,
639 ISCSI_PORT_SPEED_100MBPS = 0x4,
640 ISCSI_PORT_SPEED_1GBPS = 0x8,
641 ISCSI_PORT_SPEED_10GBPS = 0x10,
644 /* iSCSI port state */
645 enum iscsi_port_state {
646 ISCSI_PORT_STATE_DOWN = 0x1,
647 ISCSI_PORT_STATE_UP = 0x2,
650 /* iSCSI PING status/error code */
651 enum iscsi_ping_status_code {
652 ISCSI_PING_SUCCESS = 0,
653 ISCSI_PING_FW_DISABLED = 0x1,
654 ISCSI_PING_IPADDR_INVALID = 0x2,
655 ISCSI_PING_LINKLOCAL_IPV6_ADDR_INVALID = 0x3,
656 ISCSI_PING_TIMEOUT = 0x4,
657 ISCSI_PING_INVALID_DEST_ADDR = 0x5,
658 ISCSI_PING_OVERSIZE_PACKET = 0x6,
659 ISCSI_PING_ICMP_ERROR = 0x7,
660 ISCSI_PING_MAX_REQ_EXCEEDED = 0x8,
661 ISCSI_PING_NO_ARP_RECEIVED = 0x9,
664 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
665 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
668 * These flags presents iSCSI Data-Path capabilities.
670 #define CAP_RECOVERY_L0 0x1
671 #define CAP_RECOVERY_L1 0x2
672 #define CAP_RECOVERY_L2 0x4
673 #define CAP_MULTI_R2T 0x8
674 #define CAP_HDRDGST 0x10
675 #define CAP_DATADGST 0x20
676 #define CAP_MULTI_CONN 0x40
677 #define CAP_TEXT_NEGO 0x80
678 #define CAP_MARKERS 0x100
679 #define CAP_FW_DB 0x200
680 #define CAP_SENDTARGETS_OFFLOAD 0x400 /* offload discovery process */
681 #define CAP_DATA_PATH_OFFLOAD 0x800 /* offload entire IO path */
682 #define CAP_DIGEST_OFFLOAD 0x1000 /* offload hdr and data digests */
683 #define CAP_PADDING_OFFLOAD 0x2000 /* offload padding insertion, removal,
685 #define CAP_LOGIN_OFFLOAD 0x4000 /* offload session login */
688 * These flags describes reason of stop_conn() call
690 #define STOP_CONN_TERM 0x1
691 #define STOP_CONN_SUSPEND 0x2
692 #define STOP_CONN_RECOVER 0x3
694 #define ISCSI_STATS_CUSTOM_MAX 32
695 #define ISCSI_STATS_CUSTOM_DESC_MAX 64
696 struct iscsi_stats_custom {
697 char desc[ISCSI_STATS_CUSTOM_DESC_MAX];
702 * struct iscsi_stats - iSCSI Statistics (iSCSI MIB)
704 * Note: this structure contains counters collected on per-connection basis.
708 uint64_t txdata_octets;
709 uint64_t rxdata_octets;
713 uint32_t scsicmd_pdus;
714 uint32_t tmfcmd_pdus;
717 uint32_t dataout_pdus;
718 uint32_t logout_pdus;
723 uint32_t scsirsp_pdus;
724 uint32_t tmfrsp_pdus;
725 uint32_t textrsp_pdus;
726 uint32_t datain_pdus;
727 uint32_t logoutrsp_pdus;
734 uint32_t timeout_err;
737 * iSCSI Custom Statistics support, i.e. Transport could
738 * extend existing MIB statistics with its own specific statistics
739 * up to ISCSI_STATS_CUSTOM_MAX
741 uint32_t custom_length;
742 struct iscsi_stats_custom custom[0]
743 __attribute__ ((aligned (sizeof(uint64_t))));
751 enum iscsi_chap_param {
752 ISCSI_CHAP_PARAM_INDEX,
753 ISCSI_CHAP_PARAM_CHAP_TYPE,
754 ISCSI_CHAP_PARAM_USERNAME,
755 ISCSI_CHAP_PARAM_PASSWORD,
756 ISCSI_CHAP_PARAM_PASSWORD_LEN
759 #define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256
760 #define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256
761 struct iscsi_chap_rec {
762 uint16_t chap_tbl_idx;
763 enum chap_type_e chap_type;
764 char username[ISCSI_CHAP_AUTH_NAME_MAX_LEN];
765 uint8_t password[ISCSI_CHAP_AUTH_SECRET_MAX_LEN];
766 uint8_t password_length;