Allow the DSCP codepoint also to be configurable for the traffic in the direction from the initiator to the target, such that writes and any requests are also treated in the appropriate QoS class. Reviewed by: mav MFC after: 2 weeks Sponsored by: NetApp, Inc. Differential Revision: https://reviews.freebsd.org/D26714
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2012 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Edward Tomasz Napierala under sponsorship
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* from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef ISCSICTL_H
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#define ISCSICTL_H
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#include <sys/queue.h>
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#include <stdbool.h>
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#include <libutil.h>
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#define DEFAULT_CONFIG_PATH "/etc/iscsi.conf"
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#define DEFAULT_IQN "iqn.1994-09.org.freebsd:"
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#define MAX_NAME_LEN 223
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#define AUTH_METHOD_UNSPECIFIED 0
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#define AUTH_METHOD_NONE 1
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#define AUTH_METHOD_CHAP 2
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#define DIGEST_UNSPECIFIED 0
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#define DIGEST_NONE 1
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#define DIGEST_CRC32C 2
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#define SESSION_TYPE_UNSPECIFIED 0
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#define SESSION_TYPE_NORMAL 1
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#define SESSION_TYPE_DISCOVERY 2
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#define PROTOCOL_UNSPECIFIED 0
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#define PROTOCOL_ISCSI 1
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#define PROTOCOL_ISER 2
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#define ENABLE_UNSPECIFIED 0
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#define ENABLE_ON 1
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#define ENABLE_OFF 2
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struct target {
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TAILQ_ENTRY(target) t_next;
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struct conf *t_conf;
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char *t_nickname;
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char *t_name;
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char *t_address;
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char *t_initiator_name;
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char *t_initiator_address;
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char *t_initiator_alias;
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int t_header_digest;
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int t_data_digest;
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int t_auth_method;
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int t_session_type;
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int t_enable;
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int t_protocol;
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int t_dscp;
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char *t_offload;
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char *t_user;
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char *t_secret;
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char *t_mutual_user;
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char *t_mutual_secret;
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};
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struct conf {
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TAILQ_HEAD(, target) conf_targets;
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};
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struct conf *conf_new(void);
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struct conf *conf_new_from_file(const char *path);
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void conf_delete(struct conf *conf);
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void conf_verify(struct conf *conf);
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struct target *target_new(struct conf *conf);
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struct target *target_find(struct conf *conf, const char *nickname);
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void target_delete(struct target *ic);
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void print_periphs(int session_id);
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bool valid_iscsi_name(const char *name);
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int parse_enable(const char *enable);
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#endif /* !ISCSICTL_H */
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