Commit | Line | Data |
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c942fddf | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
c213ca07 AA |
2 | /* |
3 | * iSCSI Initiator TCP Transport | |
4 | * Copyright (C) 2004 Dmitry Yusupov | |
5 | * Copyright (C) 2004 Alex Aizman | |
5bb0b55a MC |
6 | * Copyright (C) 2005 - 2006 Mike Christie |
7 | * Copyright (C) 2006 Red Hat, Inc. All rights reserved. | |
c213ca07 AA |
8 | * maintained by open-iscsi@googlegroups.com |
9 | * | |
c213ca07 AA |
10 | * See the file COPYING included with this distribution for more details. |
11 | */ | |
12 | ||
38e1a8f5 MC |
13 | #ifndef ISCSI_SW_TCP_H |
14 | #define ISCSI_SW_TCP_H | |
c213ca07 | 15 | |
5bb0b55a | 16 | #include <scsi/libiscsi.h> |
38e1a8f5 | 17 | #include <scsi/libiscsi_tcp.h> |
c213ca07 | 18 | |
5bb0b55a | 19 | struct socket; |
da32dd68 | 20 | struct iscsi_tcp_conn; |
da32dd68 OK |
21 | |
22 | /* Socket connection send helper */ | |
38e1a8f5 | 23 | struct iscsi_sw_tcp_send { |
da32dd68 | 24 | struct iscsi_hdr *hdr; |
a8ac6311 OK |
25 | struct iscsi_segment segment; |
26 | struct iscsi_segment data_segment; | |
c213ca07 AA |
27 | }; |
28 | ||
38e1a8f5 | 29 | struct iscsi_sw_tcp_conn { |
5bb0b55a | 30 | struct socket *sock; |
57569c37 MC |
31 | /* Taken when accessing the sock from the netlink/sysfs interface */ |
32 | struct mutex sock_lock; | |
33 | ||
f1d26976 MC |
34 | struct work_struct recvwork; |
35 | bool queue_recv; | |
c213ca07 | 36 | |
38e1a8f5 | 37 | struct iscsi_sw_tcp_send out; |
c213ca07 | 38 | /* old values for socket callbacks */ |
676d2369 | 39 | void (*old_data_ready)(struct sock *); |
c213ca07 AA |
40 | void (*old_state_change)(struct sock *); |
41 | void (*old_write_space)(struct sock *); | |
42 | ||
dd8c0d95 | 43 | /* data and header digests */ |
5d6ac29b HX |
44 | struct ahash_request *tx_hash; /* CRC32C (Tx) */ |
45 | struct ahash_request *rx_hash; /* CRC32C (Rx) */ | |
c213ca07 | 46 | |
5bb0b55a | 47 | /* MIB custom statistics */ |
c213ca07 AA |
48 | uint32_t sendpage_failures_cnt; |
49 | uint32_t discontiguous_hdr_cnt; | |
56851698 | 50 | |
a8ac6311 | 51 | ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int); |
c213ca07 AA |
52 | }; |
53 | ||
a79af8a6 MC |
54 | struct iscsi_sw_tcp_host { |
55 | struct iscsi_session *session; | |
56 | }; | |
57 | ||
38e1a8f5 MC |
58 | struct iscsi_sw_tcp_hdrbuf { |
59 | struct iscsi_hdr hdrbuf; | |
60 | char hdrextbuf[ISCSI_MAX_AHS_SIZE + | |
004d6530 | 61 | ISCSI_DIGEST_SIZE]; |
c213ca07 AA |
62 | }; |
63 | ||
38e1a8f5 | 64 | #endif /* ISCSI_SW_TCP_H */ |