~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/scsi/iscsi_if.h

Version: ~ [ linux-5.3 ] ~ [ linux-5.2.14 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.72 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.143 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.192 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.192 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.73 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc)
  3  *
  4  * Copyright (C) 2005 Dmitry Yusupov
  5  * Copyright (C) 2005 Alex Aizman
  6  * maintained by open-iscsi@googlegroups.com
  7  *
  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.
 12  *
 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.
 17  *
 18  * See the file COPYING included with this distribution for more details.
 19  */
 20 
 21 #ifndef ISCSI_IF_H
 22 #define ISCSI_IF_H
 23 
 24 #include <scsi/iscsi_proto.h>
 25 #include <linux/in.h>
 26 #include <linux/in6.h>
 27 
 28 #define ISCSI_NL_GRP_ISCSID     1
 29 #define ISCSI_NL_GRP_UIP        2
 30 
 31 #define UEVENT_BASE                     10
 32 #define KEVENT_BASE                     100
 33 #define ISCSI_ERR_BASE                  1000
 34 
 35 enum iscsi_uevent_e {
 36         ISCSI_UEVENT_UNKNOWN            = 0,
 37 
 38         /* down events */
 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,
 50 
 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,
 54 
 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,
 60 
 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,
 73         ISCSI_UEVENT_GET_HOST_STATS     = UEVENT_BASE + 32,
 74 
 75         /* up events */
 76         ISCSI_KEVENT_RECV_PDU           = KEVENT_BASE + 1,
 77         ISCSI_KEVENT_CONN_ERROR         = KEVENT_BASE + 2,
 78         ISCSI_KEVENT_IF_ERROR           = KEVENT_BASE + 3,
 79         ISCSI_KEVENT_DESTROY_SESSION    = KEVENT_BASE + 4,
 80         ISCSI_KEVENT_UNBIND_SESSION     = KEVENT_BASE + 5,
 81         ISCSI_KEVENT_CREATE_SESSION     = KEVENT_BASE + 6,
 82 
 83         ISCSI_KEVENT_PATH_REQ           = KEVENT_BASE + 7,
 84         ISCSI_KEVENT_IF_DOWN            = KEVENT_BASE + 8,
 85         ISCSI_KEVENT_CONN_LOGIN_STATE   = KEVENT_BASE + 9,
 86         ISCSI_KEVENT_HOST_EVENT         = KEVENT_BASE + 10,
 87         ISCSI_KEVENT_PING_COMP          = KEVENT_BASE + 11,
 88 };
 89 
 90 enum iscsi_tgt_dscvr {
 91         ISCSI_TGT_DSCVR_SEND_TARGETS    = 1,
 92         ISCSI_TGT_DSCVR_ISNS            = 2,
 93         ISCSI_TGT_DSCVR_SLP             = 3,
 94 };
 95 
 96 enum iscsi_host_event_code {
 97         ISCSI_EVENT_LINKUP              = 1,
 98         ISCSI_EVENT_LINKDOWN,
 99         /* must always be last */
100         ISCSI_EVENT_MAX,
101 };
102 
103 struct iscsi_uevent {
104         uint32_t type; /* k/u events type */
105         uint32_t iferror; /* carries interface or resource errors */
106         uint64_t transport_handle;
107 
108         union {
109                 /* messages u -> k */
110                 struct msg_create_session {
111                         uint32_t        initial_cmdsn;
112                         uint16_t        cmds_max;
113                         uint16_t        queue_depth;
114                 } c_session;
115                 struct msg_create_bound_session {
116                         uint64_t        ep_handle;
117                         uint32_t        initial_cmdsn;
118                         uint16_t        cmds_max;
119                         uint16_t        queue_depth;
120                 } c_bound_session;
121                 struct msg_destroy_session {
122                         uint32_t        sid;
123                 } d_session;
124                 struct msg_create_conn {
125                         uint32_t        sid;
126                         uint32_t        cid;
127                 } c_conn;
128                 struct msg_bind_conn {
129                         uint32_t        sid;
130                         uint32_t        cid;
131                         uint64_t        transport_eph;
132                         uint32_t        is_leading;
133                 } b_conn;
134                 struct msg_destroy_conn {
135                         uint32_t        sid;
136                         uint32_t        cid;
137                 } d_conn;
138                 struct msg_send_pdu {
139                         uint32_t        sid;
140                         uint32_t        cid;
141                         uint32_t        hdr_size;
142                         uint32_t        data_size;
143                 } send_pdu;
144                 struct msg_set_param {
145                         uint32_t        sid;
146                         uint32_t        cid;
147                         uint32_t        param; /* enum iscsi_param */
148                         uint32_t        len;
149                 } set_param;
150                 struct msg_start_conn {
151                         uint32_t        sid;
152                         uint32_t        cid;
153                 } start_conn;
154                 struct msg_stop_conn {
155                         uint32_t        sid;
156                         uint32_t        cid;
157                         uint64_t        conn_handle;
158                         uint32_t        flag;
159                 } stop_conn;
160                 struct msg_get_stats {
161                         uint32_t        sid;
162                         uint32_t        cid;
163                 } get_stats;
164                 struct msg_transport_connect {
165                         uint32_t        non_blocking;
166                 } ep_connect;
167                 struct msg_transport_connect_through_host {
168                         uint32_t        host_no;
169                         uint32_t        non_blocking;
170                 } ep_connect_through_host;
171                 struct msg_transport_poll {
172                         uint64_t        ep_handle;
173                         uint32_t        timeout_ms;
174                 } ep_poll;
175                 struct msg_transport_disconnect {
176                         uint64_t        ep_handle;
177                 } ep_disconnect;
178                 struct msg_tgt_dscvr {
179                         enum iscsi_tgt_dscvr    type;
180                         uint32_t        host_no;
181                         /*
182                          * enable = 1 to establish a new connection
183                          * with the server. enable = 0 to disconnect
184                          * from the server. Used primarily to switch
185                          * from one iSNS server to another.
186                          */
187                         uint32_t        enable;
188                 } tgt_dscvr;
189                 struct msg_set_host_param {
190                         uint32_t        host_no;
191                         uint32_t        param; /* enum iscsi_host_param */
192                         uint32_t        len;
193                 } set_host_param;
194                 struct msg_set_path {
195                         uint32_t        host_no;
196                 } set_path;
197                 struct msg_set_iface_params {
198                         uint32_t        host_no;
199                         uint32_t        count;
200                 } set_iface_params;
201                 struct msg_iscsi_ping {
202                         uint32_t        host_no;
203                         uint32_t        iface_num;
204                         uint32_t        iface_type;
205                         uint32_t        payload_size;
206                         uint32_t        pid;    /* unique ping id associated
207                                                    with each ping request */
208                 } iscsi_ping;
209                 struct msg_get_chap {
210                         uint32_t        host_no;
211                         uint32_t        num_entries; /* number of CHAP entries
212                                                       * on request, number of
213                                                       * valid CHAP entries on
214                                                       * response */
215                         uint16_t        chap_tbl_idx;
216                 } get_chap;
217                 struct msg_delete_chap {
218                        uint32_t        host_no;
219                        uint16_t        chap_tbl_idx;
220                 } delete_chap;
221                 struct msg_set_flashnode_param {
222                         uint32_t        host_no;
223                         uint32_t        flashnode_idx;
224                         uint32_t        count;
225                 } set_flashnode;
226                 struct msg_new_flashnode {
227                         uint32_t        host_no;
228                         uint32_t        len;
229                 } new_flashnode;
230                 struct msg_del_flashnode {
231                         uint32_t        host_no;
232                         uint32_t        flashnode_idx;
233                 } del_flashnode;
234                 struct msg_login_flashnode {
235                         uint32_t        host_no;
236                         uint32_t        flashnode_idx;
237                 } login_flashnode;
238                 struct msg_logout_flashnode {
239                         uint32_t        host_no;
240                         uint32_t        flashnode_idx;
241                 } logout_flashnode;
242                 struct msg_logout_flashnode_sid {
243                         uint32_t        host_no;
244                         uint32_t        sid;
245                 } logout_flashnode_sid;
246                 struct msg_get_host_stats {
247                         uint32_t host_no;
248                 } get_host_stats;
249         } u;
250         union {
251                 /* messages k -> u */
252                 int                     retcode;
253                 struct msg_create_session_ret {
254                         uint32_t        sid;
255                         uint32_t        host_no;
256                 } c_session_ret;
257                 struct msg_create_conn_ret {
258                         uint32_t        sid;
259                         uint32_t        cid;
260                 } c_conn_ret;
261                 struct msg_unbind_session {
262                         uint32_t        sid;
263                         uint32_t        host_no;
264                 } unbind_session;
265                 struct msg_recv_req {
266                         uint32_t        sid;
267                         uint32_t        cid;
268                         uint64_t        recv_handle;
269                 } recv_req;
270                 struct msg_conn_login {
271                         uint32_t        sid;
272                         uint32_t        cid;
273                         uint32_t        state; /* enum iscsi_conn_state */
274                 } conn_login;
275                 struct msg_conn_error {
276                         uint32_t        sid;
277                         uint32_t        cid;
278                         uint32_t        error; /* enum iscsi_err */
279                 } connerror;
280                 struct msg_session_destroyed {
281                         uint32_t        host_no;
282                         uint32_t        sid;
283                 } d_session;
284                 struct msg_transport_connect_ret {
285                         uint64_t        handle;
286                 } ep_connect_ret;
287                 struct msg_req_path {
288                         uint32_t        host_no;
289                 } req_path;
290                 struct msg_notify_if_down {
291                         uint32_t        host_no;
292                 } notify_if_down;
293                 struct msg_host_event {
294                         uint32_t        host_no;
295                         uint32_t        data_size;
296                         enum iscsi_host_event_code code;
297                 } host_event;
298                 struct msg_ping_comp {
299                         uint32_t        host_no;
300                         uint32_t        status; /* enum
301                                                  * iscsi_ping_status_code */
302                         uint32_t        pid;    /* unique ping id associated
303                                                    with each ping request */
304                         uint32_t        data_size;
305                 } ping_comp;
306                 struct msg_new_flashnode_ret {
307                         uint32_t        flashnode_idx;
308                 } new_flashnode_ret;
309         } r;
310 } __attribute__ ((aligned (sizeof(uint64_t))));
311 
312 enum iscsi_param_type {
313         ISCSI_PARAM,            /* iscsi_param (session, conn, target, LU) */
314         ISCSI_HOST_PARAM,       /* iscsi_host_param */
315         ISCSI_NET_PARAM,        /* iscsi_net_param */
316         ISCSI_FLASHNODE_PARAM,  /* iscsi_flashnode_param */
317         ISCSI_CHAP_PARAM,       /* iscsi_chap_param */
318         ISCSI_IFACE_PARAM,      /* iscsi_iface_param */
319 };
320 
321 /* structure for minimalist usecase */
322 struct iscsi_param_info {
323         uint32_t len;           /* Actual length of the param value */
324         uint16_t param;         /* iscsi param */
325         uint8_t value[0];       /* length sized value follows */
326 } __packed;
327 
328 struct iscsi_iface_param_info {
329         uint32_t iface_num;     /* iface number, 0 - n */
330         uint32_t len;           /* Actual length of the param */
331         uint16_t param;         /* iscsi param value */
332         uint8_t iface_type;     /* IPv4 or IPv6 */
333         uint8_t param_type;     /* iscsi_param_type */
334         uint8_t value[0];       /* length sized value follows */
335 } __packed;
336 
337 /*
338  * To keep the struct iscsi_uevent size the same for userspace code
339  * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
340  * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the
341  * struct iscsi_uevent in the NETLINK_ISCSI message.
342  */
343 struct iscsi_path {
344         uint64_t        handle;
345         uint8_t         mac_addr[6];
346         uint8_t         mac_addr_old[6];
347         uint32_t        ip_addr_len;    /* 4 or 16 */
348         union {
349                 struct in_addr  v4_addr;
350                 struct in6_addr v6_addr;
351         } src;
352         union {
353                 struct in_addr  v4_addr;
354                 struct in6_addr v6_addr;
355         } dst;
356         uint16_t        vlan_id;
357         uint16_t        pmtu;
358 } __attribute__ ((aligned (sizeof(uint64_t))));
359 
360 /* iscsi iface enabled/disabled setting */
361 #define ISCSI_IFACE_DISABLE     0x01
362 #define ISCSI_IFACE_ENABLE      0x02
363 
364 /* ipv4 bootproto */
365 #define ISCSI_BOOTPROTO_STATIC          0x01
366 #define ISCSI_BOOTPROTO_DHCP            0x02
367 
368 /* ipv6 addr autoconfig type */
369 #define ISCSI_IPV6_AUTOCFG_DISABLE              0x01
370 #define ISCSI_IPV6_AUTOCFG_ND_ENABLE            0x02
371 #define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE        0x03
372 
373 /* ipv6 link local addr type */
374 #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE     0x01
375 #define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE    0x02
376 
377 /* ipv6 router addr type */
378 #define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE        0x01
379 #define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE       0x02
380 
381 #define ISCSI_IFACE_TYPE_IPV4           0x01
382 #define ISCSI_IFACE_TYPE_IPV6           0x02
383 
384 #define ISCSI_MAX_VLAN_ID               4095
385 #define ISCSI_MAX_VLAN_PRIORITY         7
386 
387 /* iscsi vlan enable/disabled setting */
388 #define ISCSI_VLAN_DISABLE      0x01
389 #define ISCSI_VLAN_ENABLE       0x02
390 
391 /* iscsi generic enable/disabled setting for various features */
392 #define ISCSI_NET_PARAM_DISABLE         0x01
393 #define ISCSI_NET_PARAM_ENABLE          0x02
394 
395 /* iSCSI network params */
396 enum iscsi_net_param {
397         ISCSI_NET_PARAM_IPV4_ADDR               = 1,
398         ISCSI_NET_PARAM_IPV4_SUBNET,
399         ISCSI_NET_PARAM_IPV4_GW,
400         ISCSI_NET_PARAM_IPV4_BOOTPROTO,
401         ISCSI_NET_PARAM_MAC,
402         ISCSI_NET_PARAM_IPV6_LINKLOCAL,
403         ISCSI_NET_PARAM_IPV6_ADDR,
404         ISCSI_NET_PARAM_IPV6_ROUTER,
405         ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG,
406         ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG,
407         ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG,
408         ISCSI_NET_PARAM_IFACE_ENABLE,
409         ISCSI_NET_PARAM_VLAN_ID,
410         ISCSI_NET_PARAM_VLAN_PRIORITY,
411         ISCSI_NET_PARAM_VLAN_ENABLED,
412         ISCSI_NET_PARAM_VLAN_TAG,
413         ISCSI_NET_PARAM_IFACE_TYPE,
414         ISCSI_NET_PARAM_IFACE_NAME,
415         ISCSI_NET_PARAM_MTU,
416         ISCSI_NET_PARAM_PORT,
417         ISCSI_NET_PARAM_IPADDR_STATE,
418         ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE,
419         ISCSI_NET_PARAM_IPV6_ROUTER_STATE,
420         ISCSI_NET_PARAM_DELAYED_ACK_EN,
421         ISCSI_NET_PARAM_TCP_NAGLE_DISABLE,
422         ISCSI_NET_PARAM_TCP_WSF_DISABLE,
423         ISCSI_NET_PARAM_TCP_WSF,
424         ISCSI_NET_PARAM_TCP_TIMER_SCALE,
425         ISCSI_NET_PARAM_TCP_TIMESTAMP_EN,
426         ISCSI_NET_PARAM_CACHE_ID,
427         ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN,
428         ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN,
429         ISCSI_NET_PARAM_IPV4_TOS_EN,
430         ISCSI_NET_PARAM_IPV4_TOS,
431         ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN,
432         ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN,
433         ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID,
434         ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN,
435         ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN,
436         ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID,
437         ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN,
438         ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE,
439         ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN,
440         ISCSI_NET_PARAM_IPV4_TTL,
441         ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN,
442         ISCSI_NET_PARAM_IPV6_MLD_EN,
443         ISCSI_NET_PARAM_IPV6_FLOW_LABEL,
444         ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS,
445         ISCSI_NET_PARAM_IPV6_HOP_LIMIT,
446         ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO,
447         ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME,
448         ISCSI_NET_PARAM_IPV6_ND_STALE_TMO,
449         ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT,
450         ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU,
451         ISCSI_NET_PARAM_REDIRECT_EN,
452 };
453 
454 enum iscsi_ipaddress_state {
455         ISCSI_IPDDRESS_STATE_UNCONFIGURED,
456         ISCSI_IPDDRESS_STATE_ACQUIRING,
457         ISCSI_IPDDRESS_STATE_TENTATIVE,
458         ISCSI_IPDDRESS_STATE_VALID,
459         ISCSI_IPDDRESS_STATE_DISABLING,
460         ISCSI_IPDDRESS_STATE_INVALID,
461         ISCSI_IPDDRESS_STATE_DEPRECATED,
462 };
463 
464 enum iscsi_router_state {
465         ISCSI_ROUTER_STATE_UNKNOWN,
466         ISCSI_ROUTER_STATE_ADVERTISED,
467         ISCSI_ROUTER_STATE_MANUAL,
468         ISCSI_ROUTER_STATE_STALE,
469 };
470 
471 /* iSCSI specific settings params for iface */
472 enum iscsi_iface_param {
473         ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO,
474         ISCSI_IFACE_PARAM_HDRDGST_EN,
475         ISCSI_IFACE_PARAM_DATADGST_EN,
476         ISCSI_IFACE_PARAM_IMM_DATA_EN,
477         ISCSI_IFACE_PARAM_INITIAL_R2T_EN,
478         ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN,
479         ISCSI_IFACE_PARAM_PDU_INORDER_EN,
480         ISCSI_IFACE_PARAM_ERL,
481         ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH,
482         ISCSI_IFACE_PARAM_FIRST_BURST,
483         ISCSI_IFACE_PARAM_MAX_R2T,
484         ISCSI_IFACE_PARAM_MAX_BURST,
485         ISCSI_IFACE_PARAM_CHAP_AUTH_EN,
486         ISCSI_IFACE_PARAM_BIDI_CHAP_EN,
487         ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL,
488         ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN,
489         ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN,
490         ISCSI_IFACE_PARAM_INITIATOR_NAME,
491 };
492 
493 enum iscsi_conn_state {
494         ISCSI_CONN_STATE_FREE,
495         ISCSI_CONN_STATE_XPT_WAIT,
496         ISCSI_CONN_STATE_IN_LOGIN,
497         ISCSI_CONN_STATE_LOGGED_IN,
498         ISCSI_CONN_STATE_IN_LOGOUT,
499         ISCSI_CONN_STATE_LOGOUT_REQUESTED,
500         ISCSI_CONN_STATE_CLEANUP_WAIT,
501 };
502 
503 /*
504  * Common error codes
505  */
506 enum iscsi_err {
507         ISCSI_OK                        = 0,
508 
509         ISCSI_ERR_DATASN                = ISCSI_ERR_BASE + 1,
510         ISCSI_ERR_DATA_OFFSET           = ISCSI_ERR_BASE + 2,
511         ISCSI_ERR_MAX_CMDSN             = ISCSI_ERR_BASE + 3,
512         ISCSI_ERR_EXP_CMDSN             = ISCSI_ERR_BASE + 4,
513         ISCSI_ERR_BAD_OPCODE            = ISCSI_ERR_BASE + 5,
514         ISCSI_ERR_DATALEN               = ISCSI_ERR_BASE + 6,
515         ISCSI_ERR_AHSLEN                = ISCSI_ERR_BASE + 7,
516         ISCSI_ERR_PROTO                 = ISCSI_ERR_BASE + 8,
517         ISCSI_ERR_LUN                   = ISCSI_ERR_BASE + 9,
518         ISCSI_ERR_BAD_ITT               = ISCSI_ERR_BASE + 10,
519         ISCSI_ERR_CONN_FAILED           = ISCSI_ERR_BASE + 11,
520         ISCSI_ERR_R2TSN                 = ISCSI_ERR_BASE + 12,
521         ISCSI_ERR_SESSION_FAILED        = ISCSI_ERR_BASE + 13,
522         ISCSI_ERR_HDR_DGST              = ISCSI_ERR_BASE + 14,
523         ISCSI_ERR_DATA_DGST             = ISCSI_ERR_BASE + 15,
524         ISCSI_ERR_PARAM_NOT_FOUND       = ISCSI_ERR_BASE + 16,
525         ISCSI_ERR_NO_SCSI_CMD           = ISCSI_ERR_BASE + 17,
526         ISCSI_ERR_INVALID_HOST          = ISCSI_ERR_BASE + 18,
527         ISCSI_ERR_XMIT_FAILED           = ISCSI_ERR_BASE + 19,
528         ISCSI_ERR_TCP_CONN_CLOSE        = ISCSI_ERR_BASE + 20,
529         ISCSI_ERR_SCSI_EH_SESSION_RST   = ISCSI_ERR_BASE + 21,
530         ISCSI_ERR_NOP_TIMEDOUT          = ISCSI_ERR_BASE + 22,
531 };
532 
533 /*
534  * iSCSI Parameters (RFC3720)
535  */
536 enum iscsi_param {
537         /* passed in using netlink set param */
538         ISCSI_PARAM_MAX_RECV_DLENGTH,
539         ISCSI_PARAM_MAX_XMIT_DLENGTH,
540         ISCSI_PARAM_HDRDGST_EN,
541         ISCSI_PARAM_DATADGST_EN,
542         ISCSI_PARAM_INITIAL_R2T_EN,
543         ISCSI_PARAM_MAX_R2T,
544         ISCSI_PARAM_IMM_DATA_EN,
545         ISCSI_PARAM_FIRST_BURST,
546         ISCSI_PARAM_MAX_BURST,
547         ISCSI_PARAM_PDU_INORDER_EN,
548         ISCSI_PARAM_DATASEQ_INORDER_EN,
549         ISCSI_PARAM_ERL,
550         ISCSI_PARAM_IFMARKER_EN,
551         ISCSI_PARAM_OFMARKER_EN,
552         ISCSI_PARAM_EXP_STATSN,
553         ISCSI_PARAM_TARGET_NAME,
554         ISCSI_PARAM_TPGT,
555         ISCSI_PARAM_PERSISTENT_ADDRESS,
556         ISCSI_PARAM_PERSISTENT_PORT,
557         ISCSI_PARAM_SESS_RECOVERY_TMO,
558 
559         /* passed in through bind conn using transport_fd */
560         ISCSI_PARAM_CONN_PORT,
561         ISCSI_PARAM_CONN_ADDRESS,
562 
563         ISCSI_PARAM_USERNAME,
564         ISCSI_PARAM_USERNAME_IN,
565         ISCSI_PARAM_PASSWORD,
566         ISCSI_PARAM_PASSWORD_IN,
567 
568         ISCSI_PARAM_FAST_ABORT,
569         ISCSI_PARAM_ABORT_TMO,
570         ISCSI_PARAM_LU_RESET_TMO,
571         ISCSI_PARAM_HOST_RESET_TMO,
572 
573         ISCSI_PARAM_PING_TMO,
574         ISCSI_PARAM_RECV_TMO,
575 
576         ISCSI_PARAM_IFACE_NAME,
577         ISCSI_PARAM_ISID,
578         ISCSI_PARAM_INITIATOR_NAME,
579 
580         ISCSI_PARAM_TGT_RESET_TMO,
581         ISCSI_PARAM_TARGET_ALIAS,
582 
583         ISCSI_PARAM_CHAP_IN_IDX,
584         ISCSI_PARAM_CHAP_OUT_IDX,
585 
586         ISCSI_PARAM_BOOT_ROOT,
587         ISCSI_PARAM_BOOT_NIC,
588         ISCSI_PARAM_BOOT_TARGET,
589 
590         ISCSI_PARAM_AUTO_SND_TGT_DISABLE,
591         ISCSI_PARAM_DISCOVERY_SESS,
592         ISCSI_PARAM_PORTAL_TYPE,
593         ISCSI_PARAM_CHAP_AUTH_EN,
594         ISCSI_PARAM_DISCOVERY_LOGOUT_EN,
595         ISCSI_PARAM_BIDI_CHAP_EN,
596         ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL,
597 
598         ISCSI_PARAM_DEF_TIME2WAIT,
599         ISCSI_PARAM_DEF_TIME2RETAIN,
600         ISCSI_PARAM_MAX_SEGMENT_SIZE,
601         ISCSI_PARAM_STATSN,
602         ISCSI_PARAM_KEEPALIVE_TMO,
603         ISCSI_PARAM_LOCAL_PORT,
604         ISCSI_PARAM_TSID,
605         ISCSI_PARAM_DEF_TASKMGMT_TMO,
606 
607         ISCSI_PARAM_TCP_TIMESTAMP_STAT,
608         ISCSI_PARAM_TCP_WSF_DISABLE,
609         ISCSI_PARAM_TCP_NAGLE_DISABLE,
610         ISCSI_PARAM_TCP_TIMER_SCALE,
611         ISCSI_PARAM_TCP_TIMESTAMP_EN,
612         ISCSI_PARAM_TCP_XMIT_WSF,
613         ISCSI_PARAM_TCP_RECV_WSF,
614         ISCSI_PARAM_IP_FRAGMENT_DISABLE,
615         ISCSI_PARAM_IPV4_TOS,
616         ISCSI_PARAM_IPV6_TC,
617         ISCSI_PARAM_IPV6_FLOW_LABEL,
618         ISCSI_PARAM_IS_FW_ASSIGNED_IPV6,
619 
620         ISCSI_PARAM_DISCOVERY_PARENT_IDX,
621         ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
622         ISCSI_PARAM_LOCAL_IPADDR,
623         /* must always be last */
624         ISCSI_PARAM_MAX,
625 };
626 
627 /* iSCSI HBA params */
628 enum iscsi_host_param {
629         ISCSI_HOST_PARAM_HWADDRESS,
630         ISCSI_HOST_PARAM_INITIATOR_NAME,
631         ISCSI_HOST_PARAM_NETDEV_NAME,
632         ISCSI_HOST_PARAM_IPADDRESS,
633         ISCSI_HOST_PARAM_PORT_STATE,
634         ISCSI_HOST_PARAM_PORT_SPEED,
635         ISCSI_HOST_PARAM_MAX,
636 };
637 
638 /* portal type */
639 #define PORTAL_TYPE_IPV4        "ipv4"
640 #define PORTAL_TYPE_IPV6        "ipv6"
641 
642 /* iSCSI Flash Target params */
643 enum iscsi_flashnode_param {
644         ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6,
645         ISCSI_FLASHNODE_PORTAL_TYPE,
646         ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE,
647         ISCSI_FLASHNODE_DISCOVERY_SESS,
648         ISCSI_FLASHNODE_ENTRY_EN,
649         ISCSI_FLASHNODE_HDR_DGST_EN,
650         ISCSI_FLASHNODE_DATA_DGST_EN,
651         ISCSI_FLASHNODE_IMM_DATA_EN,
652         ISCSI_FLASHNODE_INITIAL_R2T_EN,
653         ISCSI_FLASHNODE_DATASEQ_INORDER,
654         ISCSI_FLASHNODE_PDU_INORDER,
655         ISCSI_FLASHNODE_CHAP_AUTH_EN,
656         ISCSI_FLASHNODE_SNACK_REQ_EN,
657         ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN,
658         ISCSI_FLASHNODE_BIDI_CHAP_EN,
659         /* make authentication for discovery sessions optional */
660         ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL,
661         ISCSI_FLASHNODE_ERL,
662         ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT,
663         ISCSI_FLASHNODE_TCP_NAGLE_DISABLE,
664         ISCSI_FLASHNODE_TCP_WSF_DISABLE,
665         ISCSI_FLASHNODE_TCP_TIMER_SCALE,
666         ISCSI_FLASHNODE_TCP_TIMESTAMP_EN,
667         ISCSI_FLASHNODE_IP_FRAG_DISABLE,
668         ISCSI_FLASHNODE_MAX_RECV_DLENGTH,
669         ISCSI_FLASHNODE_MAX_XMIT_DLENGTH,
670         ISCSI_FLASHNODE_FIRST_BURST,
671         ISCSI_FLASHNODE_DEF_TIME2WAIT,
672         ISCSI_FLASHNODE_DEF_TIME2RETAIN,
673         ISCSI_FLASHNODE_MAX_R2T,
674         ISCSI_FLASHNODE_KEEPALIVE_TMO,
675         ISCSI_FLASHNODE_ISID,
676         ISCSI_FLASHNODE_TSID,
677         ISCSI_FLASHNODE_PORT,
678         ISCSI_FLASHNODE_MAX_BURST,
679         ISCSI_FLASHNODE_DEF_TASKMGMT_TMO,
680         ISCSI_FLASHNODE_IPADDR,
681         ISCSI_FLASHNODE_ALIAS,
682         ISCSI_FLASHNODE_REDIRECT_IPADDR,
683         ISCSI_FLASHNODE_MAX_SEGMENT_SIZE,
684         ISCSI_FLASHNODE_LOCAL_PORT,
685         ISCSI_FLASHNODE_IPV4_TOS,
686         ISCSI_FLASHNODE_IPV6_TC,
687         ISCSI_FLASHNODE_IPV6_FLOW_LABEL,
688         ISCSI_FLASHNODE_NAME,
689         ISCSI_FLASHNODE_TPGT,
690         ISCSI_FLASHNODE_LINK_LOCAL_IPV6,
691         ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX,
692         ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE,
693         ISCSI_FLASHNODE_TCP_XMIT_WSF,
694         ISCSI_FLASHNODE_TCP_RECV_WSF,
695         ISCSI_FLASHNODE_CHAP_IN_IDX,
696         ISCSI_FLASHNODE_CHAP_OUT_IDX,
697         ISCSI_FLASHNODE_USERNAME,
698         ISCSI_FLASHNODE_USERNAME_IN,
699         ISCSI_FLASHNODE_PASSWORD,
700         ISCSI_FLASHNODE_PASSWORD_IN,
701         ISCSI_FLASHNODE_STATSN,
702         ISCSI_FLASHNODE_EXP_STATSN,
703         ISCSI_FLASHNODE_IS_BOOT_TGT,
704 
705         ISCSI_FLASHNODE_MAX,
706 };
707 
708 struct iscsi_flashnode_param_info {
709         uint32_t len;           /* Actual length of the param */
710         uint16_t param;         /* iscsi param value */
711         uint8_t value[0];       /* length sized value follows */
712 } __packed;
713 
714 enum iscsi_discovery_parent_type {
715         ISCSI_DISC_PARENT_UNKNOWN       = 0x1,
716         ISCSI_DISC_PARENT_SENDTGT       = 0x2,
717         ISCSI_DISC_PARENT_ISNS          = 0x3,
718 };
719 
720 /* iSCSI port Speed */
721 enum iscsi_port_speed {
722         ISCSI_PORT_SPEED_UNKNOWN        = 0x1,
723         ISCSI_PORT_SPEED_10MBPS         = 0x2,
724         ISCSI_PORT_SPEED_100MBPS        = 0x4,
725         ISCSI_PORT_SPEED_1GBPS          = 0x8,
726         ISCSI_PORT_SPEED_10GBPS         = 0x10,
727 };
728 
729 /* iSCSI port state */
730 enum iscsi_port_state {
731         ISCSI_PORT_STATE_DOWN           = 0x1,
732         ISCSI_PORT_STATE_UP             = 0x2,
733 };
734 
735 /* iSCSI PING status/error code */
736 enum iscsi_ping_status_code {
737         ISCSI_PING_SUCCESS                      = 0,
738         ISCSI_PING_FW_DISABLED                  = 0x1,
739         ISCSI_PING_IPADDR_INVALID               = 0x2,
740         ISCSI_PING_LINKLOCAL_IPV6_ADDR_INVALID  = 0x3,
741         ISCSI_PING_TIMEOUT                      = 0x4,
742         ISCSI_PING_INVALID_DEST_ADDR            = 0x5,
743         ISCSI_PING_OVERSIZE_PACKET              = 0x6,
744         ISCSI_PING_ICMP_ERROR                   = 0x7,
745         ISCSI_PING_MAX_REQ_EXCEEDED             = 0x8,
746         ISCSI_PING_NO_ARP_RECEIVED              = 0x9,
747 };
748 
749 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
750 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
751 
752 /*
753  * These flags presents iSCSI Data-Path capabilities.
754  */
755 #define CAP_RECOVERY_L0         0x1
756 #define CAP_RECOVERY_L1         0x2
757 #define CAP_RECOVERY_L2         0x4
758 #define CAP_MULTI_R2T           0x8
759 #define CAP_HDRDGST             0x10
760 #define CAP_DATADGST            0x20
761 #define CAP_MULTI_CONN          0x40
762 #define CAP_TEXT_NEGO           0x80
763 #define CAP_MARKERS             0x100
764 #define CAP_FW_DB               0x200
765 #define CAP_SENDTARGETS_OFFLOAD 0x400   /* offload discovery process */
766 #define CAP_DATA_PATH_OFFLOAD   0x800   /* offload entire IO path */
767 #define CAP_DIGEST_OFFLOAD      0x1000  /* offload hdr and data digests */
768 #define CAP_PADDING_OFFLOAD     0x2000  /* offload padding insertion, removal,
769                                          and verification */
770 #define CAP_LOGIN_OFFLOAD       0x4000  /* offload session login */
771 
772 /*
773  * These flags describes reason of stop_conn() call
774  */
775 #define STOP_CONN_TERM          0x1
776 #define STOP_CONN_SUSPEND       0x2
777 #define STOP_CONN_RECOVER       0x3
778 
779 #define ISCSI_STATS_CUSTOM_MAX          32
780 #define ISCSI_STATS_CUSTOM_DESC_MAX     64
781 struct iscsi_stats_custom {
782         char desc[ISCSI_STATS_CUSTOM_DESC_MAX];
783         uint64_t value;
784 };
785 
786 /*
787  * struct iscsi_stats - iSCSI Statistics (iSCSI MIB)
788  *
789  * Note: this structure contains counters collected on per-connection basis.
790  */
791 struct iscsi_stats {
792         /* octets */
793         uint64_t txdata_octets;
794         uint64_t rxdata_octets;
795 
796         /* xmit pdus */
797         uint32_t noptx_pdus;
798         uint32_t scsicmd_pdus;
799         uint32_t tmfcmd_pdus;
800         uint32_t login_pdus;
801         uint32_t text_pdus;
802         uint32_t dataout_pdus;
803         uint32_t logout_pdus;
804         uint32_t snack_pdus;
805 
806         /* recv pdus */
807         uint32_t noprx_pdus;
808         uint32_t scsirsp_pdus;
809         uint32_t tmfrsp_pdus;
810         uint32_t textrsp_pdus;
811         uint32_t datain_pdus;
812         uint32_t logoutrsp_pdus;
813         uint32_t r2t_pdus;
814         uint32_t async_pdus;
815         uint32_t rjt_pdus;
816 
817         /* errors */
818         uint32_t digest_err;
819         uint32_t timeout_err;
820 
821         /*
822          * iSCSI Custom Statistics support, i.e. Transport could
823          * extend existing MIB statistics with its own specific statistics
824          * up to ISCSI_STATS_CUSTOM_MAX
825          */
826         uint32_t custom_length;
827         struct iscsi_stats_custom custom[0]
828                 __attribute__ ((aligned (sizeof(uint64_t))));
829 };
830 
831 enum chap_type_e {
832         CHAP_TYPE_OUT,
833         CHAP_TYPE_IN,
834 };
835 
836 enum iscsi_chap_param {
837         ISCSI_CHAP_PARAM_INDEX,
838         ISCSI_CHAP_PARAM_CHAP_TYPE,
839         ISCSI_CHAP_PARAM_USERNAME,
840         ISCSI_CHAP_PARAM_PASSWORD,
841         ISCSI_CHAP_PARAM_PASSWORD_LEN
842 };
843 
844 #define ISCSI_CHAP_AUTH_NAME_MAX_LEN    256
845 #define ISCSI_CHAP_AUTH_SECRET_MAX_LEN  256
846 struct iscsi_chap_rec {
847         uint16_t chap_tbl_idx;
848         enum chap_type_e chap_type;
849         char username[ISCSI_CHAP_AUTH_NAME_MAX_LEN];
850         uint8_t password[ISCSI_CHAP_AUTH_SECRET_MAX_LEN];
851         uint8_t password_length;
852 };
853 
854 #define ISCSI_HOST_STATS_CUSTOM_MAX             32
855 #define ISCSI_HOST_STATS_CUSTOM_DESC_MAX        64
856 struct iscsi_host_stats_custom {
857         char desc[ISCSI_HOST_STATS_CUSTOM_DESC_MAX];
858         uint64_t value;
859 };
860 
861 /* struct iscsi_offload_host_stats: Host statistics,
862  * Include statistics for MAC, IP, TCP & iSCSI.
863  */
864 struct iscsi_offload_host_stats {
865         /* MAC */
866         uint64_t mactx_frames;
867         uint64_t mactx_bytes;
868         uint64_t mactx_multicast_frames;
869         uint64_t mactx_broadcast_frames;
870         uint64_t mactx_pause_frames;
871         uint64_t mactx_control_frames;
872         uint64_t mactx_deferral;
873         uint64_t mactx_excess_deferral;
874         uint64_t mactx_late_collision;
875         uint64_t mactx_abort;
876         uint64_t mactx_single_collision;
877         uint64_t mactx_multiple_collision;
878         uint64_t mactx_collision;
879         uint64_t mactx_frames_dropped;
880         uint64_t mactx_jumbo_frames;
881         uint64_t macrx_frames;
882         uint64_t macrx_bytes;
883         uint64_t macrx_unknown_control_frames;
884         uint64_t macrx_pause_frames;
885         uint64_t macrx_control_frames;
886         uint64_t macrx_dribble;
887         uint64_t macrx_frame_length_error;
888         uint64_t macrx_jabber;
889         uint64_t macrx_carrier_sense_error;
890         uint64_t macrx_frame_discarded;
891         uint64_t macrx_frames_dropped;
892         uint64_t mac_crc_error;
893         uint64_t mac_encoding_error;
894         uint64_t macrx_length_error_large;
895         uint64_t macrx_length_error_small;
896         uint64_t macrx_multicast_frames;
897         uint64_t macrx_broadcast_frames;
898         /* IP */
899         uint64_t iptx_packets;
900         uint64_t iptx_bytes;
901         uint64_t iptx_fragments;
902         uint64_t iprx_packets;
903         uint64_t iprx_bytes;
904         uint64_t iprx_fragments;
905         uint64_t ip_datagram_reassembly;
906         uint64_t ip_invalid_address_error;
907         uint64_t ip_error_packets;
908         uint64_t ip_fragrx_overlap;
909         uint64_t ip_fragrx_outoforder;
910         uint64_t ip_datagram_reassembly_timeout;
911         uint64_t ipv6tx_packets;
912         uint64_t ipv6tx_bytes;
913         uint64_t ipv6tx_fragments;
914         uint64_t ipv6rx_packets;
915         uint64_t ipv6rx_bytes;
916         uint64_t ipv6rx_fragments;
917         uint64_t ipv6_datagram_reassembly;
918         uint64_t ipv6_invalid_address_error;
919         uint64_t ipv6_error_packets;
920         uint64_t ipv6_fragrx_overlap;
921         uint64_t ipv6_fragrx_outoforder;
922         uint64_t ipv6_datagram_reassembly_timeout;
923         /* TCP */
924         uint64_t tcptx_segments;
925         uint64_t tcptx_bytes;
926         uint64_t tcprx_segments;
927         uint64_t tcprx_byte;
928         uint64_t tcp_duplicate_ack_retx;
929         uint64_t tcp_retx_timer_expired;
930         uint64_t tcprx_duplicate_ack;
931         uint64_t tcprx_pure_ackr;
932         uint64_t tcptx_delayed_ack;
933         uint64_t tcptx_pure_ack;
934         uint64_t tcprx_segment_error;
935         uint64_t tcprx_segment_outoforder;
936         uint64_t tcprx_window_probe;
937         uint64_t tcprx_window_update;
938         uint64_t tcptx_window_probe_persist;
939         /* ECC */
940         uint64_t ecc_error_correction;
941         /* iSCSI */
942         uint64_t iscsi_pdu_tx;
943         uint64_t iscsi_data_bytes_tx;
944         uint64_t iscsi_pdu_rx;
945         uint64_t iscsi_data_bytes_rx;
946         uint64_t iscsi_io_completed;
947         uint64_t iscsi_unexpected_io_rx;
948         uint64_t iscsi_format_error;
949         uint64_t iscsi_hdr_digest_error;
950         uint64_t iscsi_data_digest_error;
951         uint64_t iscsi_sequence_error;
952         /*
953          * iSCSI Custom Host Statistics support, i.e. Transport could
954          * extend existing host statistics with its own specific statistics
955          * up to ISCSI_HOST_STATS_CUSTOM_MAX
956          */
957         uint32_t custom_length;
958         struct iscsi_host_stats_custom custom[0]
959                 __aligned(sizeof(uint64_t));
960 };
961 
962 #endif
963 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp