Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * iSCSI Initiator TCP Transport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) 2004 Dmitry Yusupov
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2004 Alex Aizman
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2005 - 2006 Mike Christie
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (C) 2006 Red Hat, Inc.  All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * maintained by open-iscsi@googlegroups.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * See the file COPYING included with this distribution for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #ifndef ISCSI_SW_TCP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define ISCSI_SW_TCP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <scsi/libiscsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <scsi/libiscsi_tcp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct socket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct iscsi_tcp_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* Socket connection send helper */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct iscsi_sw_tcp_send {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct iscsi_hdr	*hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	struct iscsi_segment	segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	struct iscsi_segment	data_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct iscsi_sw_tcp_conn {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	struct socket		*sock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	struct iscsi_sw_tcp_send out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	/* old values for socket callbacks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	void			(*old_data_ready)(struct sock *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	void			(*old_state_change)(struct sock *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	void			(*old_write_space)(struct sock *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	/* data and header digests */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	struct ahash_request	*tx_hash;	/* CRC32C (Tx) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	struct ahash_request	*rx_hash;	/* CRC32C (Rx) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	/* MIB custom statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	uint32_t		sendpage_failures_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	uint32_t		discontiguous_hdr_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct iscsi_sw_tcp_host {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	struct iscsi_session	*session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct iscsi_sw_tcp_hdrbuf {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	struct iscsi_hdr	hdrbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	char			hdrextbuf[ISCSI_MAX_AHS_SIZE +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 		                                  ISCSI_DIGEST_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #endif /* ISCSI_SW_TCP_H */