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
38struct 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
57struct 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