1 | /* |
2 | * Copyright (c) 2020 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | #ifndef _VSOCK_DOMAIN_H_ |
30 | #define _VSOCK_DOMAIN_H_ |
31 | #ifdef BSD_KERNEL_PRIVATE |
32 | |
33 | #include <sys/queue.h> |
34 | #include <sys/vsock_transport.h> |
35 | |
36 | /* VSock Protocol Control Block */ |
37 | |
38 | struct vsockpcb { |
39 | TAILQ_ENTRY(vsockpcb) all; |
40 | LIST_ENTRY(vsockpcb) bound; |
41 | struct socket *so; |
42 | struct vsock_address local_address; |
43 | struct vsock_address remote_address; |
44 | struct vsock_transport *transport; |
45 | uint32_t fwd_cnt; |
46 | uint32_t tx_cnt; |
47 | uint32_t peer_buf_alloc; |
48 | uint32_t peer_fwd_cnt; |
49 | uint32_t last_buf_alloc; |
50 | uint32_t last_fwd_cnt; |
51 | size_t waiting_send_size; |
52 | vsock_gen_t vsock_gencnt; |
53 | }; |
54 | |
55 | /* VSock Protocol Control Block Info */ |
56 | |
57 | struct vsockpcbinfo { |
58 | // PCB locking. |
59 | lck_rw_t all_lock; |
60 | lck_rw_t bound_lock; |
61 | // PCB lists. |
62 | TAILQ_HEAD(, vsockpcb) all; |
63 | LIST_HEAD(, vsockpcb) bound; |
64 | // Port generation. |
65 | uint32_t last_port; |
66 | lck_mtx_t port_lock; |
67 | // Counts. |
68 | uint64_t all_pcb_count; |
69 | vsock_gen_t vsock_gencnt; |
70 | }; |
71 | |
72 | #endif /* BSD_KERNEL_PRIVATE */ |
73 | #endif /* _VSOCK_DOMAIN_H_ */ |
74 | |