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38e1a8f547
This hooks iscsi_tcp into the libiscsi_tcp module and removes code that is now in libiscsi_tcp. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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* iSCSI Initiator TCP Transport
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* Copyright (C) 2004 Dmitry Yusupov
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* Copyright (C) 2004 Alex Aizman
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* Copyright (C) 2005 - 2006 Mike Christie
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* Copyright (C) 2006 Red Hat, Inc. All rights reserved.
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* maintained by open-iscsi@googlegroups.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* See the file COPYING included with this distribution for more details.
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*/
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#ifndef ISCSI_SW_TCP_H
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#define ISCSI_SW_TCP_H
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#include <scsi/libiscsi.h>
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#include <scsi/libiscsi_tcp.h>
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struct socket;
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struct iscsi_tcp_conn;
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/* Socket connection send helper */
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struct iscsi_sw_tcp_send {
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struct iscsi_hdr *hdr;
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struct iscsi_segment segment;
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struct iscsi_segment data_segment;
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};
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struct iscsi_sw_tcp_conn {
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struct iscsi_conn *iscsi_conn;
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struct socket *sock;
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struct iscsi_sw_tcp_send out;
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/* old values for socket callbacks */
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void (*old_data_ready)(struct sock *, int);
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void (*old_state_change)(struct sock *);
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void (*old_write_space)(struct sock *);
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/* data and header digests */
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struct hash_desc tx_hash; /* CRC32C (Tx) */
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struct hash_desc rx_hash; /* CRC32C (Rx) */
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/* MIB custom statistics */
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uint32_t sendpage_failures_cnt;
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uint32_t discontiguous_hdr_cnt;
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ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int);
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};
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struct iscsi_sw_tcp_hdrbuf {
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struct iscsi_hdr hdrbuf;
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char hdrextbuf[ISCSI_MAX_AHS_SIZE +
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ISCSI_DIGEST_SIZE];
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};
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#endif /* ISCSI_SW_TCP_H */
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