blob: 8b31588460d566afa0942498dfa8a1c8cf727997 [file] [log] [blame]
Thomas Gleixnerc942fdd2019-05-27 08:55:06 +02001/* SPDX-License-Identifier: GPL-2.0-or-later */
Alex Aizman39e84792005-08-04 19:31:00 -07002/*
3 * iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc)
4 *
5 * Copyright (C) 2005 Dmitry Yusupov
6 * Copyright (C) 2005 Alex Aizman
7 * maintained by open-iscsi@googlegroups.com
8 *
Alex Aizman39e84792005-08-04 19:31:00 -07009 * See the file COPYING included with this distribution for more details.
10 */
11
12#ifndef ISCSI_IF_H
13#define ISCSI_IF_H
14
15#include <scsi/iscsi_proto.h>
Michael Chan43514772009-06-08 18:14:41 -070016#include <linux/in.h>
17#include <linux/in6.h>
18
19#define ISCSI_NL_GRP_ISCSID 1
20#define ISCSI_NL_GRP_UIP 2
Alex Aizman39e84792005-08-04 19:31:00 -070021
22#define UEVENT_BASE 10
23#define KEVENT_BASE 100
24#define ISCSI_ERR_BASE 1000
25
26enum iscsi_uevent_e {
27 ISCSI_UEVENT_UNKNOWN = 0,
28
29 /* down events */
30 ISCSI_UEVENT_CREATE_SESSION = UEVENT_BASE + 1,
31 ISCSI_UEVENT_DESTROY_SESSION = UEVENT_BASE + 2,
32 ISCSI_UEVENT_CREATE_CONN = UEVENT_BASE + 3,
33 ISCSI_UEVENT_DESTROY_CONN = UEVENT_BASE + 4,
34 ISCSI_UEVENT_BIND_CONN = UEVENT_BASE + 5,
35 ISCSI_UEVENT_SET_PARAM = UEVENT_BASE + 6,
36 ISCSI_UEVENT_START_CONN = UEVENT_BASE + 7,
37 ISCSI_UEVENT_STOP_CONN = UEVENT_BASE + 8,
38 ISCSI_UEVENT_SEND_PDU = UEVENT_BASE + 9,
39 ISCSI_UEVENT_GET_STATS = UEVENT_BASE + 10,
40 ISCSI_UEVENT_GET_PARAM = UEVENT_BASE + 11,
41
Or Gerlitz264faaa2006-05-02 19:46:36 -050042 ISCSI_UEVENT_TRANSPORT_EP_CONNECT = UEVENT_BASE + 12,
43 ISCSI_UEVENT_TRANSPORT_EP_POLL = UEVENT_BASE + 13,
44 ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT = UEVENT_BASE + 14,
45
Mike Christie01cb2252006-06-28 12:00:22 -050046 ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15,
Mike Christie1d9bf132007-05-30 12:57:11 -050047 ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16,
Mike Christie26974782007-12-13 12:43:29 -060048 ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17,
Mike Christie10eb0f02009-05-13 17:57:38 -050049 ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18,
50 ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19,
Mike Christie01cb2252006-06-28 12:00:22 -050051
Michael Chan43514772009-06-08 18:14:41 -070052 ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20,
Mike Christie56c155b2011-07-25 13:48:37 -050053 ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21,
Vikas Chaudharyac20c7b2012-02-13 18:30:48 +053054 ISCSI_UEVENT_PING = UEVENT_BASE + 22,
Nilesh Javali6260a5d2012-02-27 03:08:51 -080055 ISCSI_UEVENT_GET_CHAP = UEVENT_BASE + 23,
56 ISCSI_UEVENT_DELETE_CHAP = UEVENT_BASE + 24,
Adheer Chandravanshic6a4bb22013-03-22 07:41:29 -040057 ISCSI_UEVENT_SET_FLASHNODE_PARAMS = UEVENT_BASE + 25,
58 ISCSI_UEVENT_NEW_FLASHNODE = UEVENT_BASE + 26,
59 ISCSI_UEVENT_DEL_FLASHNODE = UEVENT_BASE + 27,
60 ISCSI_UEVENT_LOGIN_FLASHNODE = UEVENT_BASE + 28,
61 ISCSI_UEVENT_LOGOUT_FLASHNODE = UEVENT_BASE + 29,
62 ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30,
Adheer Chandravanshi3af142f2013-09-17 07:54:48 -040063 ISCSI_UEVENT_SET_CHAP = UEVENT_BASE + 31,
Lalit Chandivade6fa7c552013-11-22 05:28:18 -050064 ISCSI_UEVENT_GET_HOST_STATS = UEVENT_BASE + 32,
Michael Chan43514772009-06-08 18:14:41 -070065
Alex Aizman39e84792005-08-04 19:31:00 -070066 /* up events */
67 ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
68 ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2,
69 ISCSI_KEVENT_IF_ERROR = KEVENT_BASE + 3,
Mike Christie53cb8a12006-06-28 12:00:32 -050070 ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4,
Mike Christie26974782007-12-13 12:43:29 -060071 ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5,
72 ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6,
Michael Chan43514772009-06-08 18:14:41 -070073
74 ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7,
75 ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8,
Manish Rangankar17fa5752011-07-25 13:48:52 -050076 ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9,
Vikas Chaudharya11e2542012-02-13 18:30:46 +053077 ISCSI_KEVENT_HOST_EVENT = KEVENT_BASE + 10,
Vikas Chaudharyac20c7b2012-02-13 18:30:48 +053078 ISCSI_KEVENT_PING_COMP = KEVENT_BASE + 11,
Alex Aizman39e84792005-08-04 19:31:00 -070079};
80
Mike Christie01cb2252006-06-28 12:00:22 -050081enum iscsi_tgt_dscvr {
82 ISCSI_TGT_DSCVR_SEND_TARGETS = 1,
83 ISCSI_TGT_DSCVR_ISNS = 2,
84 ISCSI_TGT_DSCVR_SLP = 3,
85};
86
Vikas Chaudharya11e2542012-02-13 18:30:46 +053087enum iscsi_host_event_code {
88 ISCSI_EVENT_LINKUP = 1,
89 ISCSI_EVENT_LINKDOWN,
90 /* must always be last */
91 ISCSI_EVENT_MAX,
92};
93
Alex Aizman39e84792005-08-04 19:31:00 -070094struct iscsi_uevent {
95 uint32_t type; /* k/u events type */
96 uint32_t iferror; /* carries interface or resource errors */
97 uint64_t transport_handle;
98
99 union {
100 /* messages u -> k */
101 struct msg_create_session {
102 uint32_t initial_cmdsn;
Mike Christie15482712007-05-30 12:57:19 -0500103 uint16_t cmds_max;
104 uint16_t queue_depth;
Alex Aizman39e84792005-08-04 19:31:00 -0700105 } c_session;
Mike Christie40753ca2008-05-21 15:53:56 -0500106 struct msg_create_bound_session {
Mike Christied82ff9be2008-05-21 15:54:13 -0500107 uint64_t ep_handle;
Mike Christie40753ca2008-05-21 15:53:56 -0500108 uint32_t initial_cmdsn;
109 uint16_t cmds_max;
110 uint16_t queue_depth;
111 } c_bound_session;
Alex Aizman39e84792005-08-04 19:31:00 -0700112 struct msg_destroy_session {
Alex Aizman39e84792005-08-04 19:31:00 -0700113 uint32_t sid;
114 } d_session;
115 struct msg_create_conn {
Alex Aizman39e84792005-08-04 19:31:00 -0700116 uint32_t sid;
Mike Christieb5c7a122006-04-06 21:13:33 -0500117 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700118 } c_conn;
119 struct msg_bind_conn {
Mike Christieb5c7a122006-04-06 21:13:33 -0500120 uint32_t sid;
121 uint32_t cid;
Or Gerlitz264faaa2006-05-02 19:46:36 -0500122 uint64_t transport_eph;
Alex Aizman39e84792005-08-04 19:31:00 -0700123 uint32_t is_leading;
124 } b_conn;
125 struct msg_destroy_conn {
Mike Christieb5c7a122006-04-06 21:13:33 -0500126 uint32_t sid;
Alex Aizman39e84792005-08-04 19:31:00 -0700127 uint32_t cid;
128 } d_conn;
129 struct msg_send_pdu {
Mike Christieb5c7a122006-04-06 21:13:33 -0500130 uint32_t sid;
131 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700132 uint32_t hdr_size;
133 uint32_t data_size;
Alex Aizman39e84792005-08-04 19:31:00 -0700134 } send_pdu;
135 struct msg_set_param {
Mike Christieb5c7a122006-04-06 21:13:33 -0500136 uint32_t sid;
137 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700138 uint32_t param; /* enum iscsi_param */
Mike Christiefd7255f2006-04-06 21:13:36 -0500139 uint32_t len;
Alex Aizman39e84792005-08-04 19:31:00 -0700140 } set_param;
141 struct msg_start_conn {
Mike Christieb5c7a122006-04-06 21:13:33 -0500142 uint32_t sid;
143 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700144 } start_conn;
145 struct msg_stop_conn {
Mike Christieb5c7a122006-04-06 21:13:33 -0500146 uint32_t sid;
147 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700148 uint64_t conn_handle;
149 uint32_t flag;
150 } stop_conn;
151 struct msg_get_stats {
Mike Christieb5c7a122006-04-06 21:13:33 -0500152 uint32_t sid;
153 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700154 } get_stats;
Or Gerlitz264faaa2006-05-02 19:46:36 -0500155 struct msg_transport_connect {
156 uint32_t non_blocking;
157 } ep_connect;
Mike Christie10eb0f02009-05-13 17:57:38 -0500158 struct msg_transport_connect_through_host {
159 uint32_t host_no;
160 uint32_t non_blocking;
161 } ep_connect_through_host;
Or Gerlitz264faaa2006-05-02 19:46:36 -0500162 struct msg_transport_poll {
163 uint64_t ep_handle;
164 uint32_t timeout_ms;
165 } ep_poll;
166 struct msg_transport_disconnect {
167 uint64_t ep_handle;
168 } ep_disconnect;
Mike Christie01cb2252006-06-28 12:00:22 -0500169 struct msg_tgt_dscvr {
170 enum iscsi_tgt_dscvr type;
171 uint32_t host_no;
172 /*
173 * enable = 1 to establish a new connection
174 * with the server. enable = 0 to disconnect
175 * from the server. Used primarily to switch
176 * from one iSNS server to another.
177 */
178 uint32_t enable;
179 } tgt_dscvr;
Mike Christie1d9bf132007-05-30 12:57:11 -0500180 struct msg_set_host_param {
181 uint32_t host_no;
182 uint32_t param; /* enum iscsi_host_param */
183 uint32_t len;
184 } set_host_param;
Michael Chan43514772009-06-08 18:14:41 -0700185 struct msg_set_path {
186 uint32_t host_no;
187 } set_path;
Mike Christie56c155b2011-07-25 13:48:37 -0500188 struct msg_set_iface_params {
189 uint32_t host_no;
190 uint32_t count;
191 } set_iface_params;
Vikas Chaudharyac20c7b2012-02-13 18:30:48 +0530192 struct msg_iscsi_ping {
193 uint32_t host_no;
194 uint32_t iface_num;
195 uint32_t iface_type;
196 uint32_t payload_size;
197 uint32_t pid; /* unique ping id associated
198 with each ping request */
199 } iscsi_ping;
Nilesh Javali6260a5d2012-02-27 03:08:51 -0800200 struct msg_get_chap {
201 uint32_t host_no;
202 uint32_t num_entries; /* number of CHAP entries
203 * on request, number of
204 * valid CHAP entries on
205 * response */
206 uint16_t chap_tbl_idx;
207 } get_chap;
208 struct msg_delete_chap {
209 uint32_t host_no;
210 uint16_t chap_tbl_idx;
211 } delete_chap;
Adheer Chandravanshic6a4bb22013-03-22 07:41:29 -0400212 struct msg_set_flashnode_param {
213 uint32_t host_no;
214 uint32_t flashnode_idx;
215 uint32_t count;
216 } set_flashnode;
217 struct msg_new_flashnode {
218 uint32_t host_no;
219 uint32_t len;
220 } new_flashnode;
221 struct msg_del_flashnode {
222 uint32_t host_no;
223 uint32_t flashnode_idx;
224 } del_flashnode;
225 struct msg_login_flashnode {
226 uint32_t host_no;
227 uint32_t flashnode_idx;
228 } login_flashnode;
229 struct msg_logout_flashnode {
230 uint32_t host_no;
231 uint32_t flashnode_idx;
232 } logout_flashnode;
233 struct msg_logout_flashnode_sid {
234 uint32_t host_no;
235 uint32_t sid;
236 } logout_flashnode_sid;
Lalit Chandivade6fa7c552013-11-22 05:28:18 -0500237 struct msg_get_host_stats {
238 uint32_t host_no;
239 } get_host_stats;
Alex Aizman39e84792005-08-04 19:31:00 -0700240 } u;
241 union {
242 /* messages k -> u */
Alex Aizman39e84792005-08-04 19:31:00 -0700243 int retcode;
244 struct msg_create_session_ret {
Alex Aizman39e84792005-08-04 19:31:00 -0700245 uint32_t sid;
Mike Christieb5c7a122006-04-06 21:13:33 -0500246 uint32_t host_no;
Alex Aizman39e84792005-08-04 19:31:00 -0700247 } c_session_ret;
Mike Christieb5c7a122006-04-06 21:13:33 -0500248 struct msg_create_conn_ret {
249 uint32_t sid;
250 uint32_t cid;
251 } c_conn_ret;
Mike Christie26974782007-12-13 12:43:29 -0600252 struct msg_unbind_session {
253 uint32_t sid;
254 uint32_t host_no;
255 } unbind_session;
Alex Aizman39e84792005-08-04 19:31:00 -0700256 struct msg_recv_req {
Mike Christieb5c7a122006-04-06 21:13:33 -0500257 uint32_t sid;
258 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700259 uint64_t recv_handle;
Alex Aizman39e84792005-08-04 19:31:00 -0700260 } recv_req;
Manish Rangankar17fa5752011-07-25 13:48:52 -0500261 struct msg_conn_login {
262 uint32_t sid;
263 uint32_t cid;
264 uint32_t state; /* enum iscsi_conn_state */
265 } conn_login;
Alex Aizman39e84792005-08-04 19:31:00 -0700266 struct msg_conn_error {
Mike Christieb5c7a122006-04-06 21:13:33 -0500267 uint32_t sid;
268 uint32_t cid;
Alex Aizman39e84792005-08-04 19:31:00 -0700269 uint32_t error; /* enum iscsi_err */
270 } connerror;
Mike Christie53cb8a12006-06-28 12:00:32 -0500271 struct msg_session_destroyed {
272 uint32_t host_no;
273 uint32_t sid;
274 } d_session;
Or Gerlitz264faaa2006-05-02 19:46:36 -0500275 struct msg_transport_connect_ret {
276 uint64_t handle;
277 } ep_connect_ret;
Michael Chan43514772009-06-08 18:14:41 -0700278 struct msg_req_path {
279 uint32_t host_no;
280 } req_path;
281 struct msg_notify_if_down {
282 uint32_t host_no;
283 } notify_if_down;
Vikas Chaudharya11e2542012-02-13 18:30:46 +0530284 struct msg_host_event {
285 uint32_t host_no;
286 uint32_t data_size;
287 enum iscsi_host_event_code code;
288 } host_event;
Vikas Chaudharyac20c7b2012-02-13 18:30:48 +0530289 struct msg_ping_comp {
290 uint32_t host_no;
Vikas Chaudhary1a590ca2012-03-06 04:16:04 -0800291 uint32_t status; /* enum
292 * iscsi_ping_status_code */
Vikas Chaudharyac20c7b2012-02-13 18:30:48 +0530293 uint32_t pid; /* unique ping id associated
294 with each ping request */
295 uint32_t data_size;
296 } ping_comp;
Adheer Chandravanshic6a4bb22013-03-22 07:41:29 -0400297 struct msg_new_flashnode_ret {
298 uint32_t flashnode_idx;
299 } new_flashnode_ret;
Alex Aizman39e84792005-08-04 19:31:00 -0700300 } r;
301} __attribute__ ((aligned (sizeof(uint64_t))));
302
Mike Christie56c155b2011-07-25 13:48:37 -0500303enum iscsi_param_type {
304 ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */
305 ISCSI_HOST_PARAM, /* iscsi_host_param */
306 ISCSI_NET_PARAM, /* iscsi_net_param */
Adheer Chandravanshic6a4bb22013-03-22 07:41:29 -0400307 ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */
Adheer Chandravanshi3af142f2013-09-17 07:54:48 -0400308 ISCSI_CHAP_PARAM, /* iscsi_chap_param */
Harish Zunjarrao3e0f65b2013-10-18 09:01:41 -0400309 ISCSI_IFACE_PARAM, /* iscsi_iface_param */
Mike Christie56c155b2011-07-25 13:48:37 -0500310};
311
Adheer Chandravanshi3af142f2013-09-17 07:54:48 -0400312/* structure for minimalist usecase */
313struct iscsi_param_info {
314 uint32_t len; /* Actual length of the param value */
315 uint16_t param; /* iscsi param */
316 uint8_t value[0]; /* length sized value follows */
317} __packed;
318
Mike Christie56c155b2011-07-25 13:48:37 -0500319struct iscsi_iface_param_info {
320 uint32_t iface_num; /* iface number, 0 - n */
321 uint32_t len; /* Actual length of the param */
322 uint16_t param; /* iscsi param value */
323 uint8_t iface_type; /* IPv4 or IPv6 */
324 uint8_t param_type; /* iscsi_param_type */
325 uint8_t value[0]; /* length sized value follows */
326} __packed;
327
Alex Aizman39e84792005-08-04 19:31:00 -0700328/*
Michael Chan43514772009-06-08 18:14:41 -0700329 * To keep the struct iscsi_uevent size the same for userspace code
330 * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
331 * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the
332 * struct iscsi_uevent in the NETLINK_ISCSI message.
333 */
334struct iscsi_path {
335 uint64_t handle;
336 uint8_t mac_addr[6];
337 uint8_t mac_addr_old[6];
338 uint32_t ip_addr_len; /* 4 or 16 */
339 union {
340 struct in_addr v4_addr;
341 struct in6_addr v6_addr;
342 } src;
343 union {
344 struct in_addr v4_addr;
345 struct in6_addr v6_addr;
346 } dst;
347 uint16_t vlan_id;
348 uint16_t pmtu;
349} __attribute__ ((aligned (sizeof(uint64_t))));
350
Mike Christie56c155b2011-07-25 13:48:37 -0500351/* iscsi iface enabled/disabled setting */
352#define ISCSI_IFACE_DISABLE 0x01
353#define ISCSI_IFACE_ENABLE 0x02
354
355/* ipv4 bootproto */
356#define ISCSI_BOOTPROTO_STATIC 0x01
357#define ISCSI_BOOTPROTO_DHCP 0x02
358
359/* ipv6 addr autoconfig type */
360#define ISCSI_IPV6_AUTOCFG_DISABLE 0x01
361#define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02
362#define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03
363
364/* ipv6 link local addr type */
365#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01
366#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02
367
368/* ipv6 router addr type */
369#define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01
370#define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02
371
372#define ISCSI_IFACE_TYPE_IPV4 0x01
373#define ISCSI_IFACE_TYPE_IPV6 0x02
374
Mike Christie4223b9e2011-07-25 13:48:47 -0500375#define ISCSI_MAX_VLAN_ID 4095
376#define ISCSI_MAX_VLAN_PRIORITY 7
377
378/* iscsi vlan enable/disabled setting */
379#define ISCSI_VLAN_DISABLE 0x01
380#define ISCSI_VLAN_ENABLE 0x02
381
Harish Zunjarrao3e0f65b2013-10-18 09:01:41 -0400382/* iscsi generic enable/disabled setting for various features */
383#define ISCSI_NET_PARAM_DISABLE 0x01
384#define ISCSI_NET_PARAM_ENABLE 0x02
385
Mike Christie56c155b2011-07-25 13:48:37 -0500386/* iSCSI network params */
387enum iscsi_net_param {
388 ISCSI_NET_PARAM_IPV4_ADDR = 1,
Harish Zunjarraob867cda2013-10-18 09:01:40 -0400389 ISCSI_NET_PARAM_IPV4_SUBNET,
390 ISCSI_NET_PARAM_IPV4_GW,
391 ISCSI_NET_PARAM_IPV4_BOOTPROTO,
392 ISCSI_NET_PARAM_MAC,
393 ISCSI_NET_PARAM_IPV6_LINKLOCAL,
394 ISCSI_NET_PARAM_IPV6_ADDR,
395 ISCSI_NET_PARAM_IPV6_ROUTER,
396 ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG,
397 ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG,
398 ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG,
399 ISCSI_NET_PARAM_IFACE_ENABLE,
400 ISCSI_NET_PARAM_VLAN_ID,
401 ISCSI_NET_PARAM_VLAN_PRIORITY,
402 ISCSI_NET_PARAM_VLAN_ENABLED,
403 ISCSI_NET_PARAM_VLAN_TAG,
404 ISCSI_NET_PARAM_IFACE_TYPE,
405 ISCSI_NET_PARAM_IFACE_NAME,
406 ISCSI_NET_PARAM_MTU,
407 ISCSI_NET_PARAM_PORT,
Harish Zunjarrao3e0f65b2013-10-18 09:01:41 -0400408 ISCSI_NET_PARAM_IPADDR_STATE,
409 ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE,
410 ISCSI_NET_PARAM_IPV6_ROUTER_STATE,
411 ISCSI_NET_PARAM_DELAYED_ACK_EN,
412 ISCSI_NET_PARAM_TCP_NAGLE_DISABLE,
413 ISCSI_NET_PARAM_TCP_WSF_DISABLE,
414 ISCSI_NET_PARAM_TCP_WSF,
415 ISCSI_NET_PARAM_TCP_TIMER_SCALE,
416 ISCSI_NET_PARAM_TCP_TIMESTAMP_EN,
417 ISCSI_NET_PARAM_CACHE_ID,
418 ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN,
419 ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN,
420 ISCSI_NET_PARAM_IPV4_TOS_EN,
421 ISCSI_NET_PARAM_IPV4_TOS,
422 ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN,
423 ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN,
424 ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID,
425 ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN,
426 ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN,
427 ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID,
428 ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN,
429 ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE,
430 ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN,
431 ISCSI_NET_PARAM_IPV4_TTL,
432 ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN,
433 ISCSI_NET_PARAM_IPV6_MLD_EN,
434 ISCSI_NET_PARAM_IPV6_FLOW_LABEL,
435 ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS,
436 ISCSI_NET_PARAM_IPV6_HOP_LIMIT,
437 ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO,
438 ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME,
439 ISCSI_NET_PARAM_IPV6_ND_STALE_TMO,
440 ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT,
441 ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU,
442 ISCSI_NET_PARAM_REDIRECT_EN,
443};
444
445enum iscsi_ipaddress_state {
446 ISCSI_IPDDRESS_STATE_UNCONFIGURED,
447 ISCSI_IPDDRESS_STATE_ACQUIRING,
448 ISCSI_IPDDRESS_STATE_TENTATIVE,
449 ISCSI_IPDDRESS_STATE_VALID,
450 ISCSI_IPDDRESS_STATE_DISABLING,
451 ISCSI_IPDDRESS_STATE_INVALID,
452 ISCSI_IPDDRESS_STATE_DEPRECATED,
453};
454
455enum iscsi_router_state {
456 ISCSI_ROUTER_STATE_UNKNOWN,
457 ISCSI_ROUTER_STATE_ADVERTISED,
458 ISCSI_ROUTER_STATE_MANUAL,
459 ISCSI_ROUTER_STATE_STALE,
460};
461
462/* iSCSI specific settings params for iface */
463enum iscsi_iface_param {
464 ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO,
465 ISCSI_IFACE_PARAM_HDRDGST_EN,
466 ISCSI_IFACE_PARAM_DATADGST_EN,
467 ISCSI_IFACE_PARAM_IMM_DATA_EN,
468 ISCSI_IFACE_PARAM_INITIAL_R2T_EN,
469 ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN,
470 ISCSI_IFACE_PARAM_PDU_INORDER_EN,
471 ISCSI_IFACE_PARAM_ERL,
472 ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH,
473 ISCSI_IFACE_PARAM_FIRST_BURST,
474 ISCSI_IFACE_PARAM_MAX_R2T,
475 ISCSI_IFACE_PARAM_MAX_BURST,
476 ISCSI_IFACE_PARAM_CHAP_AUTH_EN,
477 ISCSI_IFACE_PARAM_BIDI_CHAP_EN,
478 ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL,
479 ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN,
480 ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN,
481 ISCSI_IFACE_PARAM_INITIATOR_NAME,
Mike Christie56c155b2011-07-25 13:48:37 -0500482};
483
Manish Rangankar17fa5752011-07-25 13:48:52 -0500484enum iscsi_conn_state {
485 ISCSI_CONN_STATE_FREE,
486 ISCSI_CONN_STATE_XPT_WAIT,
487 ISCSI_CONN_STATE_IN_LOGIN,
488 ISCSI_CONN_STATE_LOGGED_IN,
489 ISCSI_CONN_STATE_IN_LOGOUT,
490 ISCSI_CONN_STATE_LOGOUT_REQUESTED,
491 ISCSI_CONN_STATE_CLEANUP_WAIT,
492};
493
Michael Chan43514772009-06-08 18:14:41 -0700494/*
Alex Aizman39e84792005-08-04 19:31:00 -0700495 * Common error codes
496 */
497enum iscsi_err {
498 ISCSI_OK = 0,
499
500 ISCSI_ERR_DATASN = ISCSI_ERR_BASE + 1,
501 ISCSI_ERR_DATA_OFFSET = ISCSI_ERR_BASE + 2,
502 ISCSI_ERR_MAX_CMDSN = ISCSI_ERR_BASE + 3,
503 ISCSI_ERR_EXP_CMDSN = ISCSI_ERR_BASE + 4,
504 ISCSI_ERR_BAD_OPCODE = ISCSI_ERR_BASE + 5,
505 ISCSI_ERR_DATALEN = ISCSI_ERR_BASE + 6,
506 ISCSI_ERR_AHSLEN = ISCSI_ERR_BASE + 7,
507 ISCSI_ERR_PROTO = ISCSI_ERR_BASE + 8,
508 ISCSI_ERR_LUN = ISCSI_ERR_BASE + 9,
509 ISCSI_ERR_BAD_ITT = ISCSI_ERR_BASE + 10,
510 ISCSI_ERR_CONN_FAILED = ISCSI_ERR_BASE + 11,
511 ISCSI_ERR_R2TSN = ISCSI_ERR_BASE + 12,
512 ISCSI_ERR_SESSION_FAILED = ISCSI_ERR_BASE + 13,
513 ISCSI_ERR_HDR_DGST = ISCSI_ERR_BASE + 14,
514 ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15,
Mike Christie7996a772006-04-06 21:13:41 -0500515 ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16,
516 ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17,
Mike Christiee5bd7b542008-09-24 11:46:10 -0500517 ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18,
Mike Christie6f481e32008-09-24 11:46:13 -0500518 ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19,
Mike Christied1af8a32009-08-20 15:11:02 -0500519 ISCSI_ERR_TCP_CONN_CLOSE = ISCSI_ERR_BASE + 20,
Mike Christiedf4da5c2010-12-31 02:22:18 -0600520 ISCSI_ERR_SCSI_EH_SESSION_RST = ISCSI_ERR_BASE + 21,
Mike Christie09ff7422014-07-12 15:51:51 -0500521 ISCSI_ERR_NOP_TIMEDOUT = ISCSI_ERR_BASE + 22,
Alex Aizman39e84792005-08-04 19:31:00 -0700522};
523
524/*
525 * iSCSI Parameters (RFC3720)
526 */
527enum iscsi_param {
Mike Christiefd7255f2006-04-06 21:13:36 -0500528 /* passed in using netlink set param */
529 ISCSI_PARAM_MAX_RECV_DLENGTH,
530 ISCSI_PARAM_MAX_XMIT_DLENGTH,
531 ISCSI_PARAM_HDRDGST_EN,
532 ISCSI_PARAM_DATADGST_EN,
533 ISCSI_PARAM_INITIAL_R2T_EN,
534 ISCSI_PARAM_MAX_R2T,
535 ISCSI_PARAM_IMM_DATA_EN,
536 ISCSI_PARAM_FIRST_BURST,
537 ISCSI_PARAM_MAX_BURST,
538 ISCSI_PARAM_PDU_INORDER_EN,
539 ISCSI_PARAM_DATASEQ_INORDER_EN,
540 ISCSI_PARAM_ERL,
541 ISCSI_PARAM_IFMARKER_EN,
542 ISCSI_PARAM_OFMARKER_EN,
Mike Christie8d2860b2006-05-02 19:46:47 -0500543 ISCSI_PARAM_EXP_STATSN,
Mike Christiefd7255f2006-04-06 21:13:36 -0500544 ISCSI_PARAM_TARGET_NAME,
545 ISCSI_PARAM_TPGT,
546 ISCSI_PARAM_PERSISTENT_ADDRESS,
547 ISCSI_PARAM_PERSISTENT_PORT,
Mike Christie30a6c652006-04-06 21:13:39 -0500548 ISCSI_PARAM_SESS_RECOVERY_TMO,
Mike Christiefd7255f2006-04-06 21:13:36 -0500549
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300550 /* passed in through bind conn using transport_fd */
Mike Christiefd7255f2006-04-06 21:13:36 -0500551 ISCSI_PARAM_CONN_PORT,
552 ISCSI_PARAM_CONN_ADDRESS,
553
Mike Christieb2c64162007-05-30 12:57:16 -0500554 ISCSI_PARAM_USERNAME,
555 ISCSI_PARAM_USERNAME_IN,
556 ISCSI_PARAM_PASSWORD,
557 ISCSI_PARAM_PASSWORD_IN,
558
Mike Christie843c0a82007-12-13 12:43:20 -0600559 ISCSI_PARAM_FAST_ABORT,
Mike Christief6d51802007-12-13 12:43:30 -0600560 ISCSI_PARAM_ABORT_TMO,
561 ISCSI_PARAM_LU_RESET_TMO,
562 ISCSI_PARAM_HOST_RESET_TMO,
563
564 ISCSI_PARAM_PING_TMO,
565 ISCSI_PARAM_RECV_TMO,
Mike Christie88dfd342008-05-21 15:54:16 -0500566
567 ISCSI_PARAM_IFACE_NAME,
568 ISCSI_PARAM_ISID,
569 ISCSI_PARAM_INITIATOR_NAME,
Mike Christie3fe5ae82009-11-11 16:34:33 -0600570
571 ISCSI_PARAM_TGT_RESET_TMO,
Vikas Chaudhary3b2bef12010-07-10 14:51:30 +0530572 ISCSI_PARAM_TARGET_ALIAS,
Mike Christie30534952012-02-27 03:08:53 -0800573
574 ISCSI_PARAM_CHAP_IN_IDX,
575 ISCSI_PARAM_CHAP_OUT_IDX,
Eddie Wai3b9373e2013-06-20 10:21:26 -0700576
577 ISCSI_PARAM_BOOT_ROOT,
578 ISCSI_PARAM_BOOT_NIC,
579 ISCSI_PARAM_BOOT_TARGET,
580
Adheer Chandravanshiae542ed2013-07-01 05:54:11 -0400581 ISCSI_PARAM_AUTO_SND_TGT_DISABLE,
582 ISCSI_PARAM_DISCOVERY_SESS,
583 ISCSI_PARAM_PORTAL_TYPE,
584 ISCSI_PARAM_CHAP_AUTH_EN,
585 ISCSI_PARAM_DISCOVERY_LOGOUT_EN,
586 ISCSI_PARAM_BIDI_CHAP_EN,
587 ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL,
588
589 ISCSI_PARAM_DEF_TIME2WAIT,
590 ISCSI_PARAM_DEF_TIME2RETAIN,
591 ISCSI_PARAM_MAX_SEGMENT_SIZE,
592 ISCSI_PARAM_STATSN,
593 ISCSI_PARAM_KEEPALIVE_TMO,
594 ISCSI_PARAM_LOCAL_PORT,
595 ISCSI_PARAM_TSID,
596 ISCSI_PARAM_DEF_TASKMGMT_TMO,
597
598 ISCSI_PARAM_TCP_TIMESTAMP_STAT,
599 ISCSI_PARAM_TCP_WSF_DISABLE,
600 ISCSI_PARAM_TCP_NAGLE_DISABLE,
601 ISCSI_PARAM_TCP_TIMER_SCALE,
602 ISCSI_PARAM_TCP_TIMESTAMP_EN,
603 ISCSI_PARAM_TCP_XMIT_WSF,
604 ISCSI_PARAM_TCP_RECV_WSF,
605 ISCSI_PARAM_IP_FRAGMENT_DISABLE,
606 ISCSI_PARAM_IPV4_TOS,
607 ISCSI_PARAM_IPV6_TC,
608 ISCSI_PARAM_IPV6_FLOW_LABEL,
609 ISCSI_PARAM_IS_FW_ASSIGNED_IPV6,
610
611 ISCSI_PARAM_DISCOVERY_PARENT_IDX,
612 ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
Adheer Chandravanshi5af62f22013-11-22 05:28:20 -0500613 ISCSI_PARAM_LOCAL_IPADDR,
Mike Christiefd7255f2006-04-06 21:13:36 -0500614 /* must always be last */
615 ISCSI_PARAM_MAX,
Alex Aizman39e84792005-08-04 19:31:00 -0700616};
Mike Christiefd7255f2006-04-06 21:13:36 -0500617
Mike Christie1819dc82007-05-30 12:57:08 -0500618/* iSCSI HBA params */
619enum iscsi_host_param {
620 ISCSI_HOST_PARAM_HWADDRESS,
Mike Christie8ad57812007-05-30 12:57:13 -0500621 ISCSI_HOST_PARAM_INITIATOR_NAME,
Mike Christied8196ed2007-05-30 12:57:25 -0500622 ISCSI_HOST_PARAM_NETDEV_NAME,
Mike Christie22236962007-05-30 12:57:24 -0500623 ISCSI_HOST_PARAM_IPADDRESS,
Vikas Chaudharyaeddde22012-01-19 03:06:55 -0800624 ISCSI_HOST_PARAM_PORT_STATE,
625 ISCSI_HOST_PARAM_PORT_SPEED,
Mike Christie1819dc82007-05-30 12:57:08 -0500626 ISCSI_HOST_PARAM_MAX,
627};
628
Adheer Chandravanshi2902eb42013-03-25 08:08:31 -0400629/* portal type */
630#define PORTAL_TYPE_IPV4 "ipv4"
631#define PORTAL_TYPE_IPV6 "ipv6"
632
Adheer Chandravanshic6a4bb22013-03-22 07:41:29 -0400633/* iSCSI Flash Target params */
634enum iscsi_flashnode_param {
635 ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6,
636 ISCSI_FLASHNODE_PORTAL_TYPE,
637 ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE,
638 ISCSI_FLASHNODE_DISCOVERY_SESS,
639 ISCSI_FLASHNODE_ENTRY_EN,
640 ISCSI_FLASHNODE_HDR_DGST_EN,
641 ISCSI_FLASHNODE_DATA_DGST_EN,
642 ISCSI_FLASHNODE_IMM_DATA_EN,
643 ISCSI_FLASHNODE_INITIAL_R2T_EN,
644 ISCSI_FLASHNODE_DATASEQ_INORDER,
645 ISCSI_FLASHNODE_PDU_INORDER,
646 ISCSI_FLASHNODE_CHAP_AUTH_EN,
647 ISCSI_FLASHNODE_SNACK_REQ_EN,
648 ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN,
649 ISCSI_FLASHNODE_BIDI_CHAP_EN,
650 /* make authentication for discovery sessions optional */
651 ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL,
652 ISCSI_FLASHNODE_ERL,
653 ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT,
654 ISCSI_FLASHNODE_TCP_NAGLE_DISABLE,
655 ISCSI_FLASHNODE_TCP_WSF_DISABLE,
656 ISCSI_FLASHNODE_TCP_TIMER_SCALE,
657 ISCSI_FLASHNODE_TCP_TIMESTAMP_EN,
658 ISCSI_FLASHNODE_IP_FRAG_DISABLE,
659 ISCSI_FLASHNODE_MAX_RECV_DLENGTH,
660 ISCSI_FLASHNODE_MAX_XMIT_DLENGTH,
661 ISCSI_FLASHNODE_FIRST_BURST,
662 ISCSI_FLASHNODE_DEF_TIME2WAIT,
663 ISCSI_FLASHNODE_DEF_TIME2RETAIN,
664 ISCSI_FLASHNODE_MAX_R2T,
665 ISCSI_FLASHNODE_KEEPALIVE_TMO,
666 ISCSI_FLASHNODE_ISID,
667 ISCSI_FLASHNODE_TSID,
668 ISCSI_FLASHNODE_PORT,
669 ISCSI_FLASHNODE_MAX_BURST,
670 ISCSI_FLASHNODE_DEF_TASKMGMT_TMO,
671 ISCSI_FLASHNODE_IPADDR,
672 ISCSI_FLASHNODE_ALIAS,
673 ISCSI_FLASHNODE_REDIRECT_IPADDR,
674 ISCSI_FLASHNODE_MAX_SEGMENT_SIZE,
675 ISCSI_FLASHNODE_LOCAL_PORT,
676 ISCSI_FLASHNODE_IPV4_TOS,
677 ISCSI_FLASHNODE_IPV6_TC,
678 ISCSI_FLASHNODE_IPV6_FLOW_LABEL,
679 ISCSI_FLASHNODE_NAME,
680 ISCSI_FLASHNODE_TPGT,
681 ISCSI_FLASHNODE_LINK_LOCAL_IPV6,
682 ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX,
683 ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE,
684 ISCSI_FLASHNODE_TCP_XMIT_WSF,
685 ISCSI_FLASHNODE_TCP_RECV_WSF,
686 ISCSI_FLASHNODE_CHAP_IN_IDX,
687 ISCSI_FLASHNODE_CHAP_OUT_IDX,
688 ISCSI_FLASHNODE_USERNAME,
689 ISCSI_FLASHNODE_USERNAME_IN,
690 ISCSI_FLASHNODE_PASSWORD,
691 ISCSI_FLASHNODE_PASSWORD_IN,
692 ISCSI_FLASHNODE_STATSN,
693 ISCSI_FLASHNODE_EXP_STATSN,
694 ISCSI_FLASHNODE_IS_BOOT_TGT,
695
696 ISCSI_FLASHNODE_MAX,
697};
698
699struct iscsi_flashnode_param_info {
700 uint32_t len; /* Actual length of the param */
701 uint16_t param; /* iscsi param value */
702 uint8_t value[0]; /* length sized value follows */
703} __packed;
704
705enum iscsi_discovery_parent_type {
706 ISCSI_DISC_PARENT_UNKNOWN = 0x1,
707 ISCSI_DISC_PARENT_SENDTGT = 0x2,
708 ISCSI_DISC_PARENT_ISNS = 0x3,
709};
710
Vikas Chaudharyaeddde22012-01-19 03:06:55 -0800711/* iSCSI port Speed */
712enum iscsi_port_speed {
713 ISCSI_PORT_SPEED_UNKNOWN = 0x1,
714 ISCSI_PORT_SPEED_10MBPS = 0x2,
715 ISCSI_PORT_SPEED_100MBPS = 0x4,
716 ISCSI_PORT_SPEED_1GBPS = 0x8,
717 ISCSI_PORT_SPEED_10GBPS = 0x10,
Jitendra Bhivaref9e4fa42016-01-20 14:10:57 +0530718 ISCSI_PORT_SPEED_25GBPS = 0x20,
719 ISCSI_PORT_SPEED_40GBPS = 0x40,
Vikas Chaudharyaeddde22012-01-19 03:06:55 -0800720};
721
722/* iSCSI port state */
723enum iscsi_port_state {
724 ISCSI_PORT_STATE_DOWN = 0x1,
725 ISCSI_PORT_STATE_UP = 0x2,
726};
727
Vikas Chaudhary1a590ca2012-03-06 04:16:04 -0800728/* iSCSI PING status/error code */
729enum iscsi_ping_status_code {
730 ISCSI_PING_SUCCESS = 0,
731 ISCSI_PING_FW_DISABLED = 0x1,
732 ISCSI_PING_IPADDR_INVALID = 0x2,
733 ISCSI_PING_LINKLOCAL_IPV6_ADDR_INVALID = 0x3,
734 ISCSI_PING_TIMEOUT = 0x4,
735 ISCSI_PING_INVALID_DEST_ADDR = 0x5,
736 ISCSI_PING_OVERSIZE_PACKET = 0x6,
737 ISCSI_PING_ICMP_ERROR = 0x7,
738 ISCSI_PING_MAX_REQ_EXCEEDED = 0x8,
739 ISCSI_PING_NO_ARP_RECEIVED = 0x9,
740};
741
Alex Aizman39e84792005-08-04 19:31:00 -0700742#define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
743#define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
Alex Aizman39e84792005-08-04 19:31:00 -0700744
745/*
746 * These flags presents iSCSI Data-Path capabilities.
747 */
748#define CAP_RECOVERY_L0 0x1
749#define CAP_RECOVERY_L1 0x2
750#define CAP_RECOVERY_L2 0x4
751#define CAP_MULTI_R2T 0x8
752#define CAP_HDRDGST 0x10
753#define CAP_DATADGST 0x20
754#define CAP_MULTI_CONN 0x40
755#define CAP_TEXT_NEGO 0x80
756#define CAP_MARKERS 0x100
Mike Christie0ab823d2007-05-30 12:57:22 -0500757#define CAP_FW_DB 0x200
Mike Christie63c62f12008-12-02 00:32:04 -0600758#define CAP_SENDTARGETS_OFFLOAD 0x400 /* offload discovery process */
759#define CAP_DATA_PATH_OFFLOAD 0x800 /* offload entire IO path */
760#define CAP_DIGEST_OFFLOAD 0x1000 /* offload hdr and data digests */
Mike Christie6df19a72008-12-02 00:32:16 -0600761#define CAP_PADDING_OFFLOAD 0x2000 /* offload padding insertion, removal,
762 and verification */
Manish Rangankar17fa5752011-07-25 13:48:52 -0500763#define CAP_LOGIN_OFFLOAD 0x4000 /* offload session login */
Alex Aizman39e84792005-08-04 19:31:00 -0700764
765/*
766 * These flags describes reason of stop_conn() call
767 */
768#define STOP_CONN_TERM 0x1
769#define STOP_CONN_SUSPEND 0x2
770#define STOP_CONN_RECOVER 0x3
771
772#define ISCSI_STATS_CUSTOM_MAX 32
773#define ISCSI_STATS_CUSTOM_DESC_MAX 64
774struct iscsi_stats_custom {
775 char desc[ISCSI_STATS_CUSTOM_DESC_MAX];
776 uint64_t value;
777};
778
779/*
780 * struct iscsi_stats - iSCSI Statistics (iSCSI MIB)
781 *
782 * Note: this structure contains counters collected on per-connection basis.
783 */
784struct iscsi_stats {
785 /* octets */
786 uint64_t txdata_octets;
787 uint64_t rxdata_octets;
788
789 /* xmit pdus */
790 uint32_t noptx_pdus;
791 uint32_t scsicmd_pdus;
792 uint32_t tmfcmd_pdus;
793 uint32_t login_pdus;
794 uint32_t text_pdus;
795 uint32_t dataout_pdus;
796 uint32_t logout_pdus;
797 uint32_t snack_pdus;
798
799 /* recv pdus */
800 uint32_t noprx_pdus;
801 uint32_t scsirsp_pdus;
802 uint32_t tmfrsp_pdus;
803 uint32_t textrsp_pdus;
804 uint32_t datain_pdus;
805 uint32_t logoutrsp_pdus;
806 uint32_t r2t_pdus;
807 uint32_t async_pdus;
808 uint32_t rjt_pdus;
809
810 /* errors */
811 uint32_t digest_err;
812 uint32_t timeout_err;
813
814 /*
815 * iSCSI Custom Statistics support, i.e. Transport could
816 * extend existing MIB statistics with its own specific statistics
817 * up to ISCSI_STATS_CUSTOM_MAX
818 */
819 uint32_t custom_length;
820 struct iscsi_stats_custom custom[0]
821 __attribute__ ((aligned (sizeof(uint64_t))));
822};
823
Nilesh Javali6260a5d2012-02-27 03:08:51 -0800824enum chap_type_e {
825 CHAP_TYPE_OUT,
826 CHAP_TYPE_IN,
827};
828
Adheer Chandravanshi3af142f2013-09-17 07:54:48 -0400829enum iscsi_chap_param {
830 ISCSI_CHAP_PARAM_INDEX,
831 ISCSI_CHAP_PARAM_CHAP_TYPE,
832 ISCSI_CHAP_PARAM_USERNAME,
833 ISCSI_CHAP_PARAM_PASSWORD,
834 ISCSI_CHAP_PARAM_PASSWORD_LEN
835};
836
Nilesh Javali6260a5d2012-02-27 03:08:51 -0800837#define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256
838#define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256
839struct iscsi_chap_rec {
840 uint16_t chap_tbl_idx;
841 enum chap_type_e chap_type;
842 char username[ISCSI_CHAP_AUTH_NAME_MAX_LEN];
843 uint8_t password[ISCSI_CHAP_AUTH_SECRET_MAX_LEN];
844 uint8_t password_length;
Vikas Chaudhary5a5a15f2012-03-06 04:16:05 -0800845};
Nilesh Javali6260a5d2012-02-27 03:08:51 -0800846
Lalit Chandivade6fa7c552013-11-22 05:28:18 -0500847#define ISCSI_HOST_STATS_CUSTOM_MAX 32
848#define ISCSI_HOST_STATS_CUSTOM_DESC_MAX 64
849struct iscsi_host_stats_custom {
850 char desc[ISCSI_HOST_STATS_CUSTOM_DESC_MAX];
851 uint64_t value;
852};
853
854/* struct iscsi_offload_host_stats: Host statistics,
855 * Include statistics for MAC, IP, TCP & iSCSI.
856 */
857struct iscsi_offload_host_stats {
858 /* MAC */
859 uint64_t mactx_frames;
860 uint64_t mactx_bytes;
861 uint64_t mactx_multicast_frames;
862 uint64_t mactx_broadcast_frames;
863 uint64_t mactx_pause_frames;
864 uint64_t mactx_control_frames;
865 uint64_t mactx_deferral;
866 uint64_t mactx_excess_deferral;
867 uint64_t mactx_late_collision;
868 uint64_t mactx_abort;
869 uint64_t mactx_single_collision;
870 uint64_t mactx_multiple_collision;
871 uint64_t mactx_collision;
872 uint64_t mactx_frames_dropped;
873 uint64_t mactx_jumbo_frames;
874 uint64_t macrx_frames;
875 uint64_t macrx_bytes;
876 uint64_t macrx_unknown_control_frames;
877 uint64_t macrx_pause_frames;
878 uint64_t macrx_control_frames;
879 uint64_t macrx_dribble;
880 uint64_t macrx_frame_length_error;
881 uint64_t macrx_jabber;
882 uint64_t macrx_carrier_sense_error;
883 uint64_t macrx_frame_discarded;
884 uint64_t macrx_frames_dropped;
885 uint64_t mac_crc_error;
886 uint64_t mac_encoding_error;
887 uint64_t macrx_length_error_large;
888 uint64_t macrx_length_error_small;
889 uint64_t macrx_multicast_frames;
890 uint64_t macrx_broadcast_frames;
891 /* IP */
892 uint64_t iptx_packets;
893 uint64_t iptx_bytes;
894 uint64_t iptx_fragments;
895 uint64_t iprx_packets;
896 uint64_t iprx_bytes;
897 uint64_t iprx_fragments;
898 uint64_t ip_datagram_reassembly;
899 uint64_t ip_invalid_address_error;
900 uint64_t ip_error_packets;
901 uint64_t ip_fragrx_overlap;
902 uint64_t ip_fragrx_outoforder;
903 uint64_t ip_datagram_reassembly_timeout;
904 uint64_t ipv6tx_packets;
905 uint64_t ipv6tx_bytes;
906 uint64_t ipv6tx_fragments;
907 uint64_t ipv6rx_packets;
908 uint64_t ipv6rx_bytes;
909 uint64_t ipv6rx_fragments;
910 uint64_t ipv6_datagram_reassembly;
911 uint64_t ipv6_invalid_address_error;
912 uint64_t ipv6_error_packets;
913 uint64_t ipv6_fragrx_overlap;
914 uint64_t ipv6_fragrx_outoforder;
915 uint64_t ipv6_datagram_reassembly_timeout;
916 /* TCP */
917 uint64_t tcptx_segments;
918 uint64_t tcptx_bytes;
919 uint64_t tcprx_segments;
920 uint64_t tcprx_byte;
921 uint64_t tcp_duplicate_ack_retx;
922 uint64_t tcp_retx_timer_expired;
923 uint64_t tcprx_duplicate_ack;
924 uint64_t tcprx_pure_ackr;
925 uint64_t tcptx_delayed_ack;
926 uint64_t tcptx_pure_ack;
927 uint64_t tcprx_segment_error;
928 uint64_t tcprx_segment_outoforder;
929 uint64_t tcprx_window_probe;
930 uint64_t tcprx_window_update;
931 uint64_t tcptx_window_probe_persist;
932 /* ECC */
933 uint64_t ecc_error_correction;
934 /* iSCSI */
935 uint64_t iscsi_pdu_tx;
936 uint64_t iscsi_data_bytes_tx;
937 uint64_t iscsi_pdu_rx;
938 uint64_t iscsi_data_bytes_rx;
939 uint64_t iscsi_io_completed;
940 uint64_t iscsi_unexpected_io_rx;
941 uint64_t iscsi_format_error;
942 uint64_t iscsi_hdr_digest_error;
943 uint64_t iscsi_data_digest_error;
944 uint64_t iscsi_sequence_error;
945 /*
946 * iSCSI Custom Host Statistics support, i.e. Transport could
947 * extend existing host statistics with its own specific statistics
948 * up to ISCSI_HOST_STATS_CUSTOM_MAX
949 */
950 uint32_t custom_length;
951 struct iscsi_host_stats_custom custom[0]
952 __aligned(sizeof(uint64_t));
953};
954
Alex Aizman39e84792005-08-04 19:31:00 -0700955#endif