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 | |