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