1*a1e26a70SApple OSS Distributions /* 2*a1e26a70SApple OSS Distributions * Copyright (c) 2015 Apple Inc. All rights reserved. 3*a1e26a70SApple OSS Distributions * 4*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*a1e26a70SApple OSS Distributions * 6*a1e26a70SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*a1e26a70SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*a1e26a70SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*a1e26a70SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*a1e26a70SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*a1e26a70SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*a1e26a70SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*a1e26a70SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*a1e26a70SApple OSS Distributions * 15*a1e26a70SApple OSS Distributions * Please obtain a copy of the License at 16*a1e26a70SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*a1e26a70SApple OSS Distributions * 18*a1e26a70SApple OSS Distributions * The Original Code and all software distributed under the License are 19*a1e26a70SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*a1e26a70SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*a1e26a70SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*a1e26a70SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*a1e26a70SApple OSS Distributions * Please see the License for the specific language governing rights and 24*a1e26a70SApple OSS Distributions * limitations under the License. 25*a1e26a70SApple OSS Distributions * 26*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*a1e26a70SApple OSS Distributions */ 28*a1e26a70SApple OSS Distributions #ifndef _NET_NET_PERF_H_ 29*a1e26a70SApple OSS Distributions #define _NET_NET_PERF_H_ 30*a1e26a70SApple OSS Distributions 31*a1e26a70SApple OSS Distributions #include <stdint.h> 32*a1e26a70SApple OSS Distributions 33*a1e26a70SApple OSS Distributions #ifdef KERNEL_PRIVATE 34*a1e26a70SApple OSS Distributions #include <sys/time.h> 35*a1e26a70SApple OSS Distributions #include <mach/boolean.h> 36*a1e26a70SApple OSS Distributions #endif /* KERNEL_PRIVATE */ 37*a1e26a70SApple OSS Distributions 38*a1e26a70SApple OSS Distributions /* five histogram bins are separated by four dividing "bars" */ 39*a1e26a70SApple OSS Distributions #define NET_PERF_BARS 4 40*a1e26a70SApple OSS Distributions 41*a1e26a70SApple OSS Distributions typedef struct net_perf { 42*a1e26a70SApple OSS Distributions uint64_t np_total_pkts; /* total packets input or output during measurement */ 43*a1e26a70SApple OSS Distributions uint64_t np_total_usecs; /* microseconds elapsed during measurement */ 44*a1e26a70SApple OSS Distributions uint64_t np_hist1; /* histogram bin 1 */ 45*a1e26a70SApple OSS Distributions uint64_t np_hist2; /* histogram bin 2 */ 46*a1e26a70SApple OSS Distributions uint64_t np_hist3; /* histogram bin 3 */ 47*a1e26a70SApple OSS Distributions uint64_t np_hist4; /* histogram bin 4 */ 48*a1e26a70SApple OSS Distributions uint64_t np_hist5; /* histogram bin 5 */ 49*a1e26a70SApple OSS Distributions uint8_t np_hist_bars[NET_PERF_BARS]; 50*a1e26a70SApple OSS Distributions } net_perf_t; 51*a1e26a70SApple OSS Distributions 52*a1e26a70SApple OSS Distributions #ifdef KERNEL_PRIVATE 53*a1e26a70SApple OSS Distributions void net_perf_initialize(net_perf_t *npp, uint64_t bins); 54*a1e26a70SApple OSS Distributions void net_perf_start_time(net_perf_t *npp, struct timeval *tv); 55*a1e26a70SApple OSS Distributions void net_perf_measure_time(net_perf_t *npp, struct timeval *start, uint64_t num_pkts); 56*a1e26a70SApple OSS Distributions void net_perf_histogram(net_perf_t *npp, uint64_t num_pkts); 57*a1e26a70SApple OSS Distributions boolean_t net_perf_validate_bins(uint64_t bins); 58*a1e26a70SApple OSS Distributions 59*a1e26a70SApple OSS Distributions #endif /* KERNEL_PRIVATE */ 60*a1e26a70SApple OSS Distributions 61*a1e26a70SApple OSS Distributions #endif /* _NET_NET_PERF_H_ */ 62