1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2e48354ceSNicholas Bellinger /*******************************************************************************
3e48354ceSNicholas Bellinger * This file contains the main functions related to Initiator Node Attributes.
4e48354ceSNicholas Bellinger *
54c76251eSNicholas Bellinger * (c) Copyright 2007-2013 Datera, Inc.
6e48354ceSNicholas Bellinger *
7e48354ceSNicholas Bellinger * Author: Nicholas A. Bellinger <nab@linux-iscsi.org>
8e48354ceSNicholas Bellinger *
9e48354ceSNicholas Bellinger ******************************************************************************/
10e48354ceSNicholas Bellinger
11e48354ceSNicholas Bellinger #include <target/target_core_base.h>
12e48354ceSNicholas Bellinger
1367f091f2SSagi Grimberg #include <target/iscsi/iscsi_target_core.h>
14e48354ceSNicholas Bellinger #include "iscsi_target_device.h"
15e48354ceSNicholas Bellinger #include "iscsi_target_tpg.h"
16e48354ceSNicholas Bellinger #include "iscsi_target_util.h"
17e48354ceSNicholas Bellinger #include "iscsi_target_nodeattrib.h"
18e48354ceSNicholas Bellinger
iscsit_na_get_initiatorname(struct iscsi_node_acl * nacl)19e48354ceSNicholas Bellinger static inline char *iscsit_na_get_initiatorname(
20e48354ceSNicholas Bellinger struct iscsi_node_acl *nacl)
21e48354ceSNicholas Bellinger {
22e48354ceSNicholas Bellinger struct se_node_acl *se_nacl = &nacl->se_node_acl;
23e48354ceSNicholas Bellinger
24e48354ceSNicholas Bellinger return &se_nacl->initiatorname[0];
25e48354ceSNicholas Bellinger }
26e48354ceSNicholas Bellinger
iscsit_set_default_node_attribues(struct iscsi_node_acl * acl,struct iscsi_portal_group * tpg)27e48354ceSNicholas Bellinger void iscsit_set_default_node_attribues(
28d1fa7a1dSNicholas Bellinger struct iscsi_node_acl *acl,
29d1fa7a1dSNicholas Bellinger struct iscsi_portal_group *tpg)
30e48354ceSNicholas Bellinger {
31e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
32e48354ceSNicholas Bellinger
33*a6e0d179SDmitry Bogdanov a->authentication = NA_AUTHENTICATION_INHERITED;
34e48354ceSNicholas Bellinger a->dataout_timeout = NA_DATAOUT_TIMEOUT;
35e48354ceSNicholas Bellinger a->dataout_timeout_retries = NA_DATAOUT_TIMEOUT_RETRIES;
36e48354ceSNicholas Bellinger a->nopin_timeout = NA_NOPIN_TIMEOUT;
37e48354ceSNicholas Bellinger a->nopin_response_timeout = NA_NOPIN_RESPONSE_TIMEOUT;
38e48354ceSNicholas Bellinger a->random_datain_pdu_offsets = NA_RANDOM_DATAIN_PDU_OFFSETS;
39e48354ceSNicholas Bellinger a->random_datain_seq_offsets = NA_RANDOM_DATAIN_SEQ_OFFSETS;
40e48354ceSNicholas Bellinger a->random_r2t_offsets = NA_RANDOM_R2T_OFFSETS;
41d1fa7a1dSNicholas Bellinger a->default_erl = tpg->tpg_attrib.default_erl;
42e48354ceSNicholas Bellinger }
43e48354ceSNicholas Bellinger
iscsit_na_dataout_timeout(struct iscsi_node_acl * acl,u32 dataout_timeout)44f760903aSDan Carpenter int iscsit_na_dataout_timeout(
45e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
46e48354ceSNicholas Bellinger u32 dataout_timeout)
47e48354ceSNicholas Bellinger {
48e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
49e48354ceSNicholas Bellinger
50e48354ceSNicholas Bellinger if (dataout_timeout > NA_DATAOUT_TIMEOUT_MAX) {
51e48354ceSNicholas Bellinger pr_err("Requested DataOut Timeout %u larger than"
52e48354ceSNicholas Bellinger " maximum %u\n", dataout_timeout,
53e48354ceSNicholas Bellinger NA_DATAOUT_TIMEOUT_MAX);
54e48354ceSNicholas Bellinger return -EINVAL;
55e48354ceSNicholas Bellinger } else if (dataout_timeout < NA_DATAOUT_TIMEOUT_MIX) {
56e48354ceSNicholas Bellinger pr_err("Requested DataOut Timeout %u smaller than"
57e48354ceSNicholas Bellinger " minimum %u\n", dataout_timeout,
58e48354ceSNicholas Bellinger NA_DATAOUT_TIMEOUT_MIX);
59e48354ceSNicholas Bellinger return -EINVAL;
60e48354ceSNicholas Bellinger }
61e48354ceSNicholas Bellinger
62e48354ceSNicholas Bellinger a->dataout_timeout = dataout_timeout;
63e48354ceSNicholas Bellinger pr_debug("Set DataOut Timeout to %u for Initiator Node"
64e48354ceSNicholas Bellinger " %s\n", a->dataout_timeout, iscsit_na_get_initiatorname(acl));
65e48354ceSNicholas Bellinger
66e48354ceSNicholas Bellinger return 0;
67e48354ceSNicholas Bellinger }
68e48354ceSNicholas Bellinger
iscsit_na_dataout_timeout_retries(struct iscsi_node_acl * acl,u32 dataout_timeout_retries)69f760903aSDan Carpenter int iscsit_na_dataout_timeout_retries(
70e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
71e48354ceSNicholas Bellinger u32 dataout_timeout_retries)
72e48354ceSNicholas Bellinger {
73e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
74e48354ceSNicholas Bellinger
75e48354ceSNicholas Bellinger if (dataout_timeout_retries > NA_DATAOUT_TIMEOUT_RETRIES_MAX) {
76e48354ceSNicholas Bellinger pr_err("Requested DataOut Timeout Retries %u larger"
77e48354ceSNicholas Bellinger " than maximum %u", dataout_timeout_retries,
78e48354ceSNicholas Bellinger NA_DATAOUT_TIMEOUT_RETRIES_MAX);
79e48354ceSNicholas Bellinger return -EINVAL;
80e48354ceSNicholas Bellinger } else if (dataout_timeout_retries < NA_DATAOUT_TIMEOUT_RETRIES_MIN) {
81e48354ceSNicholas Bellinger pr_err("Requested DataOut Timeout Retries %u smaller"
82e48354ceSNicholas Bellinger " than minimum %u", dataout_timeout_retries,
83e48354ceSNicholas Bellinger NA_DATAOUT_TIMEOUT_RETRIES_MIN);
84e48354ceSNicholas Bellinger return -EINVAL;
85e48354ceSNicholas Bellinger }
86e48354ceSNicholas Bellinger
87e48354ceSNicholas Bellinger a->dataout_timeout_retries = dataout_timeout_retries;
88e48354ceSNicholas Bellinger pr_debug("Set DataOut Timeout Retries to %u for"
89e48354ceSNicholas Bellinger " Initiator Node %s\n", a->dataout_timeout_retries,
90e48354ceSNicholas Bellinger iscsit_na_get_initiatorname(acl));
91e48354ceSNicholas Bellinger
92e48354ceSNicholas Bellinger return 0;
93e48354ceSNicholas Bellinger }
94e48354ceSNicholas Bellinger
iscsit_na_nopin_timeout(struct iscsi_node_acl * acl,u32 nopin_timeout)95f760903aSDan Carpenter int iscsit_na_nopin_timeout(
96e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
97e48354ceSNicholas Bellinger u32 nopin_timeout)
98e48354ceSNicholas Bellinger {
99e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
1000873fe44SMax Gurtovoy struct iscsit_session *sess;
101be36d683SMax Gurtovoy struct iscsit_conn *conn;
102e48354ceSNicholas Bellinger struct se_node_acl *se_nacl = &a->nacl->se_node_acl;
103e48354ceSNicholas Bellinger struct se_session *se_sess;
104e48354ceSNicholas Bellinger u32 orig_nopin_timeout = a->nopin_timeout;
105e48354ceSNicholas Bellinger
106e48354ceSNicholas Bellinger if (nopin_timeout > NA_NOPIN_TIMEOUT_MAX) {
107e48354ceSNicholas Bellinger pr_err("Requested NopIn Timeout %u larger than maximum"
108e48354ceSNicholas Bellinger " %u\n", nopin_timeout, NA_NOPIN_TIMEOUT_MAX);
109e48354ceSNicholas Bellinger return -EINVAL;
110e48354ceSNicholas Bellinger } else if ((nopin_timeout < NA_NOPIN_TIMEOUT_MIN) &&
111e48354ceSNicholas Bellinger (nopin_timeout != 0)) {
112e48354ceSNicholas Bellinger pr_err("Requested NopIn Timeout %u smaller than"
113e48354ceSNicholas Bellinger " minimum %u and not 0\n", nopin_timeout,
114e48354ceSNicholas Bellinger NA_NOPIN_TIMEOUT_MIN);
115e48354ceSNicholas Bellinger return -EINVAL;
116e48354ceSNicholas Bellinger }
117e48354ceSNicholas Bellinger
118e48354ceSNicholas Bellinger a->nopin_timeout = nopin_timeout;
119e48354ceSNicholas Bellinger pr_debug("Set NopIn Timeout to %u for Initiator"
120e48354ceSNicholas Bellinger " Node %s\n", a->nopin_timeout,
121e48354ceSNicholas Bellinger iscsit_na_get_initiatorname(acl));
122e48354ceSNicholas Bellinger /*
123e48354ceSNicholas Bellinger * Reenable disabled nopin_timeout timer for all iSCSI connections.
124e48354ceSNicholas Bellinger */
125e48354ceSNicholas Bellinger if (!orig_nopin_timeout) {
126e48354ceSNicholas Bellinger spin_lock_bh(&se_nacl->nacl_sess_lock);
127e48354ceSNicholas Bellinger se_sess = se_nacl->nacl_sess;
128e48354ceSNicholas Bellinger if (se_sess) {
1298359cf43SJörn Engel sess = se_sess->fabric_sess_ptr;
130e48354ceSNicholas Bellinger
131e48354ceSNicholas Bellinger spin_lock(&sess->conn_lock);
132e48354ceSNicholas Bellinger list_for_each_entry(conn, &sess->sess_conn_list,
133e48354ceSNicholas Bellinger conn_list) {
134e48354ceSNicholas Bellinger if (conn->conn_state !=
135e48354ceSNicholas Bellinger TARG_CONN_STATE_LOGGED_IN)
136e48354ceSNicholas Bellinger continue;
137e48354ceSNicholas Bellinger
138e48354ceSNicholas Bellinger spin_lock(&conn->nopin_timer_lock);
139e48354ceSNicholas Bellinger __iscsit_start_nopin_timer(conn);
140e48354ceSNicholas Bellinger spin_unlock(&conn->nopin_timer_lock);
141e48354ceSNicholas Bellinger }
142e48354ceSNicholas Bellinger spin_unlock(&sess->conn_lock);
143e48354ceSNicholas Bellinger }
144e48354ceSNicholas Bellinger spin_unlock_bh(&se_nacl->nacl_sess_lock);
145e48354ceSNicholas Bellinger }
146e48354ceSNicholas Bellinger
147e48354ceSNicholas Bellinger return 0;
148e48354ceSNicholas Bellinger }
149e48354ceSNicholas Bellinger
iscsit_na_nopin_response_timeout(struct iscsi_node_acl * acl,u32 nopin_response_timeout)150f760903aSDan Carpenter int iscsit_na_nopin_response_timeout(
151e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
152e48354ceSNicholas Bellinger u32 nopin_response_timeout)
153e48354ceSNicholas Bellinger {
154e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
155e48354ceSNicholas Bellinger
156e48354ceSNicholas Bellinger if (nopin_response_timeout > NA_NOPIN_RESPONSE_TIMEOUT_MAX) {
157e48354ceSNicholas Bellinger pr_err("Requested NopIn Response Timeout %u larger"
158e48354ceSNicholas Bellinger " than maximum %u\n", nopin_response_timeout,
159e48354ceSNicholas Bellinger NA_NOPIN_RESPONSE_TIMEOUT_MAX);
160e48354ceSNicholas Bellinger return -EINVAL;
161e48354ceSNicholas Bellinger } else if (nopin_response_timeout < NA_NOPIN_RESPONSE_TIMEOUT_MIN) {
162e48354ceSNicholas Bellinger pr_err("Requested NopIn Response Timeout %u smaller"
163e48354ceSNicholas Bellinger " than minimum %u\n", nopin_response_timeout,
164e48354ceSNicholas Bellinger NA_NOPIN_RESPONSE_TIMEOUT_MIN);
165e48354ceSNicholas Bellinger return -EINVAL;
166e48354ceSNicholas Bellinger }
167e48354ceSNicholas Bellinger
168e48354ceSNicholas Bellinger a->nopin_response_timeout = nopin_response_timeout;
169e48354ceSNicholas Bellinger pr_debug("Set NopIn Response Timeout to %u for"
170e48354ceSNicholas Bellinger " Initiator Node %s\n", a->nopin_timeout,
171e48354ceSNicholas Bellinger iscsit_na_get_initiatorname(acl));
172e48354ceSNicholas Bellinger
173e48354ceSNicholas Bellinger return 0;
174e48354ceSNicholas Bellinger }
175e48354ceSNicholas Bellinger
iscsit_na_random_datain_pdu_offsets(struct iscsi_node_acl * acl,u32 random_datain_pdu_offsets)176f760903aSDan Carpenter int iscsit_na_random_datain_pdu_offsets(
177e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
178e48354ceSNicholas Bellinger u32 random_datain_pdu_offsets)
179e48354ceSNicholas Bellinger {
180e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
181e48354ceSNicholas Bellinger
182e48354ceSNicholas Bellinger if (random_datain_pdu_offsets != 0 && random_datain_pdu_offsets != 1) {
183e48354ceSNicholas Bellinger pr_err("Requested Random DataIN PDU Offsets: %u not"
184e48354ceSNicholas Bellinger " 0 or 1\n", random_datain_pdu_offsets);
185e48354ceSNicholas Bellinger return -EINVAL;
186e48354ceSNicholas Bellinger }
187e48354ceSNicholas Bellinger
188e48354ceSNicholas Bellinger a->random_datain_pdu_offsets = random_datain_pdu_offsets;
189e48354ceSNicholas Bellinger pr_debug("Set Random DataIN PDU Offsets to %u for"
190e48354ceSNicholas Bellinger " Initiator Node %s\n", a->random_datain_pdu_offsets,
191e48354ceSNicholas Bellinger iscsit_na_get_initiatorname(acl));
192e48354ceSNicholas Bellinger
193e48354ceSNicholas Bellinger return 0;
194e48354ceSNicholas Bellinger }
195e48354ceSNicholas Bellinger
iscsit_na_random_datain_seq_offsets(struct iscsi_node_acl * acl,u32 random_datain_seq_offsets)196f760903aSDan Carpenter int iscsit_na_random_datain_seq_offsets(
197e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
198e48354ceSNicholas Bellinger u32 random_datain_seq_offsets)
199e48354ceSNicholas Bellinger {
200e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
201e48354ceSNicholas Bellinger
202e48354ceSNicholas Bellinger if (random_datain_seq_offsets != 0 && random_datain_seq_offsets != 1) {
203e48354ceSNicholas Bellinger pr_err("Requested Random DataIN Sequence Offsets: %u"
204e48354ceSNicholas Bellinger " not 0 or 1\n", random_datain_seq_offsets);
205e48354ceSNicholas Bellinger return -EINVAL;
206e48354ceSNicholas Bellinger }
207e48354ceSNicholas Bellinger
208e48354ceSNicholas Bellinger a->random_datain_seq_offsets = random_datain_seq_offsets;
209e48354ceSNicholas Bellinger pr_debug("Set Random DataIN Sequence Offsets to %u for"
210e48354ceSNicholas Bellinger " Initiator Node %s\n", a->random_datain_seq_offsets,
211e48354ceSNicholas Bellinger iscsit_na_get_initiatorname(acl));
212e48354ceSNicholas Bellinger
213e48354ceSNicholas Bellinger return 0;
214e48354ceSNicholas Bellinger }
215e48354ceSNicholas Bellinger
iscsit_na_random_r2t_offsets(struct iscsi_node_acl * acl,u32 random_r2t_offsets)216f760903aSDan Carpenter int iscsit_na_random_r2t_offsets(
217e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
218e48354ceSNicholas Bellinger u32 random_r2t_offsets)
219e48354ceSNicholas Bellinger {
220e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
221e48354ceSNicholas Bellinger
222e48354ceSNicholas Bellinger if (random_r2t_offsets != 0 && random_r2t_offsets != 1) {
223e48354ceSNicholas Bellinger pr_err("Requested Random R2T Offsets: %u not"
224e48354ceSNicholas Bellinger " 0 or 1\n", random_r2t_offsets);
225e48354ceSNicholas Bellinger return -EINVAL;
226e48354ceSNicholas Bellinger }
227e48354ceSNicholas Bellinger
228e48354ceSNicholas Bellinger a->random_r2t_offsets = random_r2t_offsets;
229e48354ceSNicholas Bellinger pr_debug("Set Random R2T Offsets to %u for"
230e48354ceSNicholas Bellinger " Initiator Node %s\n", a->random_r2t_offsets,
231e48354ceSNicholas Bellinger iscsit_na_get_initiatorname(acl));
232e48354ceSNicholas Bellinger
233e48354ceSNicholas Bellinger return 0;
234e48354ceSNicholas Bellinger }
235e48354ceSNicholas Bellinger
iscsit_na_default_erl(struct iscsi_node_acl * acl,u32 default_erl)236f760903aSDan Carpenter int iscsit_na_default_erl(
237e48354ceSNicholas Bellinger struct iscsi_node_acl *acl,
238e48354ceSNicholas Bellinger u32 default_erl)
239e48354ceSNicholas Bellinger {
240e48354ceSNicholas Bellinger struct iscsi_node_attrib *a = &acl->node_attrib;
241e48354ceSNicholas Bellinger
242e48354ceSNicholas Bellinger if (default_erl != 0 && default_erl != 1 && default_erl != 2) {
243e48354ceSNicholas Bellinger pr_err("Requested default ERL: %u not 0, 1, or 2\n",
244e48354ceSNicholas Bellinger default_erl);
245e48354ceSNicholas Bellinger return -EINVAL;
246e48354ceSNicholas Bellinger }
247e48354ceSNicholas Bellinger
248e48354ceSNicholas Bellinger a->default_erl = default_erl;
249e48354ceSNicholas Bellinger pr_debug("Set use ERL0 flag to %u for Initiator"
250e48354ceSNicholas Bellinger " Node %s\n", a->default_erl,
251e48354ceSNicholas Bellinger iscsit_na_get_initiatorname(acl));
252e48354ceSNicholas Bellinger
253e48354ceSNicholas Bellinger return 0;
254e48354ceSNicholas Bellinger }
255