Gecko [ paroquia-rio-de-mouro.pt ]

Name	Size	Permission	Date
fc	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
fc_encode.h	21.64 KB	-rw-r--r--	2016-01-11 00:01
fc_frame.h	6.9 KB	-rw-r--r--	2016-01-11 00:01
fcoe_sysfs.h	3.75 KB	-rw-r--r--	2016-01-11 00:01
iscsi_if.h	25.99 KB	-rw-r--r--	2016-01-11 00:01
iscsi_proto.h	16.06 KB	-rw-r--r--	2016-01-11 00:01
libfc.h	34.34 KB	-rw-r--r--	2016-01-11 00:01
libfcoe.h	13.81 KB	-rw-r--r--	2016-01-11 00:01
libiscsi.h	13.83 KB	-rw-r--r--	2018-04-02 18:07
libiscsi_tcp.h	4.24 KB	-rw-r--r--	2018-04-02 18:07
libsas.h	19.01 KB	-rw-r--r--	2018-04-02 18:07
osd_attributes.h	15.01 KB	-rw-r--r--	2016-01-11 00:01
osd_initiator.h	16.25 KB	-rw-r--r--	2016-01-11 00:01
osd_ore.h	5.36 KB	-rw-r--r--	2016-01-11 00:01
osd_protocol.h	17.57 KB	-rw-r--r--	2016-01-11 00:01
osd_sec.h	1.48 KB	-rw-r--r--	2016-01-11 00:01
osd_sense.h	9.89 KB	-rw-r--r--	2016-01-11 00:01
osd_types.h	1020 B	-rw-r--r--	2016-01-11 00:01
sas.h	12.21 KB	-rw-r--r--	2016-01-11 00:01
sas_ata.h	2.73 KB	-rw-r--r--	2016-01-11 00:01
scsi.h	9.48 KB	-rw-r--r--	2016-01-11 00:01
scsi_bsg_iscsi.h	2.83 KB	-rw-r--r--	2016-01-11 00:01
scsi_cmnd.h	9.3 KB	-rw-r--r--	2016-01-11 00:01
scsi_common.h	1.99 KB	-rw-r--r--	2016-01-11 00:01
scsi_dbg.h	2.29 KB	-rw-r--r--	2016-01-11 00:01
scsi_device.h	19.01 KB	-rw-r--r--	2018-04-02 18:07
scsi_devinfo.h	2.35 KB	-rw-r--r--	2018-04-02 18:07
scsi_dh.h	3.12 KB	-rw-r--r--	2018-04-02 18:07
scsi_driver.h	781 B	-rw-r--r--	2016-01-11 00:01
scsi_eh.h	1.52 KB	-rw-r--r--	2016-01-11 00:01
scsi_host.h	27.88 KB	-rw-r--r--	2016-01-11 00:01
scsi_ioctl.h	1.22 KB	-rw-r--r--	2016-01-11 00:01
scsi_proto.h	8.75 KB	-rw-r--r--	2016-01-11 00:01
scsi_tcq.h	1005 B	-rw-r--r--	2016-01-11 00:01
scsi_transport.h	3.91 KB	-rw-r--r--	2016-01-11 00:01
scsi_transport_fc.h	27.28 KB	-rw-r--r--	2016-01-11 00:01
scsi_transport_iscsi.h	17.2 KB	-rw-r--r--	2016-01-11 00:01
scsi_transport_sas.h	6.8 KB	-rw-r--r--	2018-04-02 18:07
scsi_transport_spi.h	7.2 KB	-rw-r--r--	2016-01-11 00:01
scsi_transport_srp.h	5.02 KB	-rw-r--r--	2016-01-11 00:01
scsicam.h	674 B	-rw-r--r--	2016-01-11 00:01
sg.h	12.09 KB	-rw-r--r--	2018-04-02 18:07
srp.h	6.1 KB	-rw-r--r--	2016-01-11 00:01
viosrp.h	5.9 KB	-rw-r--r--	2018-04-02 18:07

Rename

/*
 * iSCSI over TCP/IP Data-Path lib
 *
 * Copyright (C) 2008 Mike Christie
 * Copyright (C) 2008 Red Hat, Inc.  All rights reserved.
 * 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 LIBISCSI_TCP_H
#define LIBISCSI_TCP_H

#include <scsi/libiscsi.h>

struct iscsi_tcp_conn;
struct iscsi_segment;
struct sk_buff;
struct hash_desc;

typedef int iscsi_segment_done_fn_t(struct iscsi_tcp_conn *,
				    struct iscsi_segment *);

struct iscsi_segment {
	unsigned char		*data;
	unsigned int		size;
	unsigned int		copied;
	unsigned int		total_size;
	unsigned int		total_copied;

struct hash_desc	*hash;
	unsigned char		padbuf[ISCSI_PAD_LEN];
	unsigned char		recv_digest[ISCSI_DIGEST_SIZE];
	unsigned char		digest[ISCSI_DIGEST_SIZE];
	unsigned int		digest_len;

struct scatterlist	*sg;
	void			*sg_mapped;
	unsigned int		sg_offset;
	bool			atomic_mapped;

iscsi_segment_done_fn_t	*done;
};

/* Socket connection receive helper */
struct iscsi_tcp_recv {
	struct iscsi_hdr	*hdr;
	struct iscsi_segment	segment;

/* Allocate buffer for BHS + AHS */
	uint32_t		hdr_buf[64];

/* copied and flipped values */
	int			datalen;
};

struct iscsi_tcp_conn {
	struct iscsi_conn	*iscsi_conn;
	void			*dd_data;
	int			stop_stage;	/* conn_stop() flag: *
						 * stop to recover,  *
						 * stop to terminate */
	/* control data */
	struct iscsi_tcp_recv	in;		/* TCP receive context */
	/* CRC32C (Rx) LLD should set this is they do not offload */
	struct hash_desc	*rx_hash;
};

struct iscsi_tcp_task {
	uint32_t		exp_datasn;	/* expected target's R2TSN/DataSN */
	int			data_offset;
	struct iscsi_r2t_info	*r2t;		/* in progress solict R2T */
	struct iscsi_pool	r2tpool;
	struct kfifo		r2tqueue;
	void			*dd_data;
};

enum {
	ISCSI_TCP_SEGMENT_DONE,		/* curr seg has been processed */
	ISCSI_TCP_SKB_DONE,		/* skb is out of data */
	ISCSI_TCP_CONN_ERR,		/* iscsi layer has fired a conn err */
	ISCSI_TCP_SUSPENDED,		/* conn is suspended */
};

extern void iscsi_tcp_hdr_recv_prep(struct iscsi_tcp_conn *tcp_conn);
extern int iscsi_tcp_recv_skb(struct iscsi_conn *conn, struct sk_buff *skb,
			      unsigned int offset, bool offloaded, int *status);
extern void iscsi_tcp_cleanup_task(struct iscsi_task *task);
extern int iscsi_tcp_task_init(struct iscsi_task *task);
extern int iscsi_tcp_task_xmit(struct iscsi_task *task);

/* segment helpers */
extern int iscsi_tcp_recv_segment_is_hdr(struct iscsi_tcp_conn *tcp_conn);
extern int iscsi_tcp_segment_done(struct iscsi_tcp_conn *tcp_conn,
				  struct iscsi_segment *segment, int recv,
				  unsigned copied);
extern void iscsi_tcp_segment_unmap(struct iscsi_segment *segment);

extern void iscsi_segment_init_linear(struct iscsi_segment *segment,
				      void *data, size_t size,
				      iscsi_segment_done_fn_t *done,
				      struct hash_desc *hash);
extern int
iscsi_segment_seek_sg(struct iscsi_segment *segment,
		      struct scatterlist *sg_list, unsigned int sg_count,
		      unsigned int offset, size_t size,
		      iscsi_segment_done_fn_t *done, struct hash_desc *hash);

/* digest helpers */
extern void iscsi_tcp_dgst_header(struct hash_desc *hash, const void *hdr,
				  size_t hdrlen,
				  unsigned char digest[ISCSI_DIGEST_SIZE]);
extern struct iscsi_cls_conn *
iscsi_tcp_conn_setup(struct iscsi_cls_session *cls_session, int dd_data_size,
		     uint32_t conn_idx);
extern void iscsi_tcp_conn_teardown(struct iscsi_cls_conn *cls_conn);

/* misc helpers */
extern int iscsi_tcp_r2tpool_alloc(struct iscsi_session *session);
extern void iscsi_tcp_r2tpool_free(struct iscsi_session *session);
extern int iscsi_tcp_set_max_r2t(struct iscsi_conn *conn, char *buf);
extern void iscsi_tcp_conn_get_stats(struct iscsi_cls_conn *cls_conn,
				     struct iscsi_stats *stats);
#endif /* LIBISCSI_TCP_H */