1 /* 2 * Copyright (c) 2017-2021 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 __NET_API_STATS__ 30 #define __NET_API_STATS__ 31 32 #ifdef PRIVATE 33 #include <stdint.h> 34 35 #define NAS_HAS_FLTR_OS_COUNTS 1 36 37 /* 38 * net_api_stats counts the usage of the networking APIs 39 * 40 * Note: we are using signed 64 bit values to detect and prevent wrap around 41 */ 42 struct net_api_stats { 43 /* 44 * Interface Filters 45 */ 46 int64_t nas_iflt_attach_count; // Currently attached 47 int64_t nas_iflt_attach_os_count; 48 int64_t nas_iflt_attach_total; // Total number of attachments 49 int64_t nas_iflt_attach_os_total; 50 51 /* 52 * IP Filters 53 */ 54 int64_t nas_ipf_add_count; // Currently attached 55 int64_t nas_ipf_add_os_count; 56 int64_t nas_ipf_add_total; // Total number of attachments 57 int64_t nas_ipf_add_os_total; 58 59 /* 60 * Socket Filters 61 */ 62 int64_t nas_sfltr_register_count; // Currently attached 63 int64_t nas_sfltr_register_os_count; 64 int64_t nas_sfltr_register_total; // Total number of attachments 65 int64_t nas_sfltr_register_os_total; 66 67 /* 68 * Sockets 69 */ 70 int64_t nas_socket_alloc_total; 71 int64_t nas_socket_in_kernel_total; 72 int64_t nas_socket_in_kernel_os_total; 73 int64_t nas_socket_necp_clientuuid_total; 74 75 /* 76 * Sockets per protocol domains 77 */ 78 int64_t nas_socket_domain_local_total; 79 int64_t nas_socket_domain_route_total; 80 int64_t nas_socket_domain_inet_total; 81 int64_t nas_socket_domain_inet6_total; 82 int64_t nas_socket_domain_system_total; 83 int64_t nas_socket_domain_multipath_total; 84 int64_t nas_socket_domain_key_total; 85 int64_t nas_socket_domain_ndrv_total; 86 int64_t nas_socket_domain_other_total; 87 88 /* 89 * Sockets per domain and type 90 */ 91 int64_t nas_socket_inet_stream_total; 92 int64_t nas_socket_inet_dgram_total; 93 int64_t nas_socket_inet_dgram_connected; 94 int64_t nas_socket_inet_dgram_dns; // port 53 95 int64_t nas_socket_inet_dgram_no_data; // typically for interface ioctl 96 97 int64_t nas_socket_inet6_stream_total; 98 int64_t nas_socket_inet6_dgram_total; 99 int64_t nas_socket_inet6_dgram_connected; 100 int64_t nas_socket_inet6_dgram_dns; // port 53 101 int64_t nas_socket_inet6_dgram_no_data; // typically for interface ioctl 102 103 /* 104 * Multicast join 105 */ 106 int64_t nas_socket_mcast_join_total; 107 int64_t nas_socket_mcast_join_os_total; 108 109 /* 110 * IPv6 Extension Header Socket API 111 */ 112 int64_t nas_sock_inet6_stream_exthdr_in; 113 int64_t nas_sock_inet6_stream_exthdr_out; 114 int64_t nas_sock_inet6_dgram_exthdr_in; 115 int64_t nas_sock_inet6_dgram_exthdr_out; 116 117 /* 118 * Nexus flows 119 */ 120 int64_t nas_nx_flow_inet_stream_total; 121 int64_t nas_nx_flow_inet_dgram_total; 122 123 int64_t nas_nx_flow_inet6_stream_total; 124 int64_t nas_nx_flow_inet6_dgram_total; 125 126 /* 127 * Interfaces 128 */ 129 int64_t nas_ifnet_alloc_count; 130 int64_t nas_ifnet_alloc_total; 131 int64_t nas_ifnet_alloc_os_count; 132 int64_t nas_ifnet_alloc_os_total; 133 134 /* 135 * PF 136 */ 137 int64_t nas_pf_addrule_total; 138 int64_t nas_pf_addrule_os; 139 140 /* 141 * vmnet API 142 */ 143 int64_t nas_vmnet_total; 144 }; 145 146 #ifdef XNU_KERNEL_PRIVATE 147 extern struct net_api_stats net_api_stats; 148 149 /* 150 * Increment up to the max value of int64_t 151 */ 152 #define INC_ATOMIC_INT64_LIM(counter) { \ 153 int64_t val; \ 154 do { \ 155 val = counter; \ 156 if (val >= INT64_MAX) { \ 157 break; \ 158 } \ 159 } while (!OSCompareAndSwap64(val, val + 1, &(counter))); \ 160 } 161 #endif /* XNU_KERNEL_PRIVATE */ 162 163 #endif /* PRIVATE */ 164 165 #endif /* __NET_API_STATS__ */ 166