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/*
* iSCSI flashnode helpers
*
* Copyright (C) 2013 QLogic Corporation.
* Maintained by open-iscsi@googlegroups.com
*
* 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 2 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.
*
* See the file COPYING included with this distribution for more details.
*/
#ifndef FLASHNODE_H
#define FLASHNODE_H
#include <sys/types.h>
#include <netdb.h>
#include <net/if.h>
#include "types.h"
#include "config.h"
#include "auth.h"
#define MAX_FLASHNODE_IDX UINT_MAX
typedef enum portal_type {
IPV4,
IPV6,
} portal_type_e;
typedef struct flashnode_sess_rec {
char targetname[TARGET_NAME_MAXLEN];
char targetalias[TARGET_NAME_MAXLEN];
char username[AUTH_STR_MAX_LEN];
char username_in[AUTH_STR_MAX_LEN];
char password[AUTH_STR_MAX_LEN];
char password_in[AUTH_STR_MAX_LEN];
/* indicates if discovery was done through iSNS discovery service
* or through sendTarget */
char discovery_parent_type[ISCSI_MAX_STR_LEN];
char isid[16];
char portal_type[5]; /* ipv4 or ipv6 */
unsigned first_burst_len;
unsigned max_burst_len;
uint16_t def_time2wait;
uint16_t def_time2retain;
uint16_t max_outstanding_r2t;
uint16_t tsid;
uint16_t def_taskmgmt_tmo;
uint16_t tpgt;
uint16_t chap_out_idx;
uint16_t chap_in_idx;
/* index of iSCSI discovery session if the entry is
* discovered by iSCSI discovery session
*/
uint16_t discovery_parent_idx;
/* Firmware auto sendtarget discovery disable */
uint8_t auto_snd_tgt_disable;
uint8_t discovery_session;
/* indicates if this flashnode entry is enabled or disabled */
uint8_t entry_enable;
uint8_t immediate_data;
uint8_t initial_r2t;
uint8_t data_seq_in_order;
uint8_t data_pdu_in_order;
uint8_t chap_auth_en;
/* enables firmware to auto logout the discovery session on discovery
* completion
*/
uint8_t discovery_logout_en;
uint8_t bidi_chap_en;
/* makes authentication for discovery session optional */
uint8_t discovery_auth_optional;
uint8_t erl;
uint8_t is_boot_target;
} flashnode_sess_rec_t;
typedef struct flashnode_conn_rec {
char ipaddress[NI_MAXHOST];
char redirect_ipaddr[NI_MAXHOST];
char link_local_ipv6[NI_MAXHOST];
unsigned max_recv_dlength;
unsigned max_xmit_dlength;
unsigned max_segment_size;
unsigned tcp_xmit_wsf;
unsigned tcp_recv_wsf;
uint32_t stat_sn;
uint32_t exp_stat_sn;
uint16_t keepalive_tmo;
uint16_t port;
uint16_t local_port;
uint16_t ipv6_flow_lbl;
/* Link local IPv6 address is assigned by firmware or driver */
uint8_t is_fw_assigned_ipv6;
uint8_t header_digest_en;
uint8_t data_digest_en;
uint8_t snack_req_en;
/* tcp timestamp negotiation status */
uint8_t tcp_timestamp_stat;
uint8_t tcp_nagle_disable;
/* tcp window scale factor */
uint8_t tcp_wsf_disable;
uint8_t tcp_timer_scale;
uint8_t tcp_timestamp_en;
uint8_t fragment_disable;
uint8_t ipv4_tos;
uint8_t ipv6_traffic_class;
} flashnode_conn_rec_t;
struct flashnode_rec {
struct list_head list;
char transport_name[ISCSI_TRANSPORT_NAME_MAXLEN];
flashnode_sess_rec_t sess;
flashnode_conn_rec_t conn[ISCSI_CONN_MAX];
};
extern int flashnode_info_print_flat(void *data, struct flashnode_rec *tgt,
uint32_t host_no, uint32_t flashnode_idx);
extern int iscsi_logout_flashnode_sid(struct iscsi_transport *t,
uint32_t host_no, uint32_t sid);
extern int flashnode_build_config(struct list_head *params,
struct flashnode_rec *flashnode,
struct iovec *iovs);
#endif
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