bsd/net/net_api_stats.h

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