diff options
Diffstat (limited to 'libopeniscsiusr/default.c')
| -rw-r--r-- | libopeniscsiusr/default.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/libopeniscsiusr/default.c b/libopeniscsiusr/default.c new file mode 100644 index 0000000..cd80e80 --- /dev/null +++ b/libopeniscsiusr/default.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2017-2018 Red Hat, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Author: Gris Ge <fge@redhat.com> + */ + +#include <string.h> + +#include "libopeniscsiusr/libopeniscsiusr.h" +#include "default.h" +#include "iface.h" +#include "node.h" + +#define CONFIG_DIGEST_NEVER 0 + +static void default_session_op_cfg(struct iscsi_session_op_cfg *op_cfg) +{ + op_cfg->InitialR2T = 0; + op_cfg->ImmediateData = 1; + op_cfg->FirstBurstLength = DEF_INI_FIRST_BURST_LEN; + op_cfg->MaxBurstLength = DEF_INI_MAX_BURST_LEN; + op_cfg->DefaultTime2Wait = ISCSI_DEF_TIME2WAIT; + op_cfg->DefaultTime2Retain = 0; + op_cfg->MaxConnections = 1; + op_cfg->MaxOutstandingR2T = 1; + op_cfg->ERL = 0; + op_cfg->FastAbort = 1; +} + +static void default_conn_op_cfg(struct iscsi_conn_op_cfg *op_cfg) +{ + op_cfg->MaxXmitDataSegmentLength = 0; + op_cfg->MaxRecvDataSegmentLength = DEF_INI_MAX_RECV_SEG_LEN; + op_cfg->HeaderDigest = DIGEST_NEVER; + op_cfg->DataDigest = DIGEST_NEVER; + op_cfg->IFMarker = 0; + op_cfg->OFMarker = 0; +} + +/* + * default is to use tcp through whatever the network layer + * selects for us with the /etc/iscsi/initiatorname.iscsi iname. + */ +static void default_iface(struct iscsi_iface *iface) +{ + snprintf(iface->transport_name, + sizeof(iface->transport_name)/sizeof(char), + DEFAULT_TRANSPORT); + + if (!strlen(iface->name)) + snprintf(iface->name, sizeof(iface->name)/sizeof(char), + DEFAULT_IFACENAME); +} + +void _default_node(struct iscsi_node *node) +{ + node->tpgt = PORTAL_GROUP_TAG_UNKNOWN; + node->disc_type = DISCOVERY_TYPE_STATIC; + node->leading_login = 0; + node->session.cmds_max = CMDS_MAX; + node->session.xmit_thread_priority = XMIT_THREAD_PRIORITY; + node->session.initial_cmdsn = 0; + node->session.queue_depth = QUEUE_DEPTH; + node->session.nr_sessions = 1; + node->session.initial_login_retry_max = DEF_INITIAL_LOGIN_RETRIES_MAX; + node->session.reopen_max = 32; + node->session.auth.authmethod = 0; + node->session.auth.password_length = 0; + node->session.auth.password_in_length = 0; + node->session.err_tmo.abort_timeout = DEF_ABORT_TIMEO; + node->session.err_tmo.lu_reset_timeout = DEF_LU_RESET_TIMEO; + node->session.err_tmo.tgt_reset_timeout = DEF_TGT_RESET_TIMEO; + node->session.err_tmo.host_reset_timeout = DEF_HOST_RESET_TIMEO; + node->session.tmo.replacement_timeout = DEF_REPLACEMENT_TIMEO; + node->session.se = NULL; + node->session.sid = 0; + node->session.multiple = 0; + node->session.scan = DEF_INITIAL_SCAN; + + default_session_op_cfg(&node->session.op_cfg); + + node->conn.startup = ISCSI_STARTUP_MANUAL; + node->conn.port = ISCSI_DEFAULT_PORT; + node->conn.tcp.window_size = TCP_WINDOW_SIZE; + node->conn.tcp.type_of_service = 0; + node->conn.tmo.login_timeout= DEF_LOGIN_TIMEO; + node->conn.tmo.logout_timeout= DEF_LOGOUT_TIMEO; + node->conn.tmo.auth_timeout = 45; + node->conn.tmo.noop_out_interval = DEF_NOOP_OUT_INTERVAL; + node->conn.tmo.noop_out_timeout = DEF_NOOP_OUT_TIMEO; + + default_conn_op_cfg(&node->conn.op_cfg); + + default_iface(&node->iface); +} |