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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/scsi/iscsi_tcp.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/scsi/iscsi_tcp.h')
-rw-r--r-- | drivers/scsi/iscsi_tcp.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h new file mode 100644 index 0000000000..89a6fc552f --- /dev/null +++ b/drivers/scsi/iscsi_tcp.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * iSCSI Initiator TCP Transport + * Copyright (C) 2004 Dmitry Yusupov + * Copyright (C) 2004 Alex Aizman + * Copyright (C) 2005 - 2006 Mike Christie + * Copyright (C) 2006 Red Hat, Inc. All rights reserved. + * maintained by open-iscsi@googlegroups.com + * + * See the file COPYING included with this distribution for more details. + */ + +#ifndef ISCSI_SW_TCP_H +#define ISCSI_SW_TCP_H + +#include <scsi/libiscsi.h> +#include <scsi/libiscsi_tcp.h> + +struct socket; +struct iscsi_tcp_conn; + +/* Socket connection send helper */ +struct iscsi_sw_tcp_send { + struct iscsi_hdr *hdr; + struct iscsi_segment segment; + struct iscsi_segment data_segment; +}; + +struct iscsi_sw_tcp_conn { + struct socket *sock; + /* Taken when accessing the sock from the netlink/sysfs interface */ + struct mutex sock_lock; + + struct work_struct recvwork; + bool queue_recv; + + struct iscsi_sw_tcp_send out; + /* old values for socket callbacks */ + void (*old_data_ready)(struct sock *); + void (*old_state_change)(struct sock *); + void (*old_write_space)(struct sock *); + + /* data and header digests */ + struct ahash_request *tx_hash; /* CRC32C (Tx) */ + struct ahash_request *rx_hash; /* CRC32C (Rx) */ + + /* MIB custom statistics */ + uint32_t sendpage_failures_cnt; + uint32_t discontiguous_hdr_cnt; +}; + +struct iscsi_sw_tcp_host { + struct iscsi_session *session; +}; + +struct iscsi_sw_tcp_hdrbuf { + struct iscsi_hdr hdrbuf; + char hdrextbuf[ISCSI_MAX_AHS_SIZE + + ISCSI_DIGEST_SIZE]; +}; + +#endif /* ISCSI_SW_TCP_H */ |