1 /* 2 * Copyright (c) 2020 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /** 20 * @file cdp_txrx_hist_struct.h 21 * @brief Define the host data path histogram data types 22 */ 23 #ifndef _CDP_TXRX_HIST_STRUCT_H_ 24 #define _CDP_TXRX_HIST_STRUCT_H_ 25 26 /* 27 * cdp_hist_bucket_index : Histogram Bucket 28 * @CDP_HIST_BUCKET_0: Bucket Index 0 29 * @CDP_HIST_BUCKET_1: Bucket Index 1 30 * @CDP_HIST_BUCKET_2: Bucket Index 2 31 * @CDP_HIST_BUCKET_3: Bucket Index 3 32 * @CDP_HIST_BUCKET_4: Bucket Index 4 33 * @CDP_HIST_BUCKET_5: Bucket Index 5 34 * @CDP_HIST_BUCKET_6: Bucket Index 6 35 * @CDP_HIST_BUCKET_7: Bucket Index 7 36 * @CDP_HIST_BUCKET_8: Bucket Index 8 37 * @CDP_HIST_BUCKET_9: Bucket Index 9 38 */ 39 enum cdp_hist_bucket_index { 40 CDP_HIST_BUCKET_0, 41 CDP_HIST_BUCKET_1, 42 CDP_HIST_BUCKET_2, 43 CDP_HIST_BUCKET_3, 44 CDP_HIST_BUCKET_4, 45 CDP_HIST_BUCKET_5, 46 CDP_HIST_BUCKET_6, 47 CDP_HIST_BUCKET_7, 48 CDP_HIST_BUCKET_8, 49 CDP_HIST_BUCKET_9, 50 CDP_HIST_BUCKET_MAX, 51 }; 52 53 /* 54 * cdp_hist_types: Histogram Types 55 * @CDP_HIST_TYPE_SW_ENQEUE_DELAY: From stack to HW enqueue delay 56 * @CDP_HIST_TYPE_HW_COMP_DELAY: From HW enqueue to completion delay 57 * @CDP_HIST_TYPE_REAP_STACK: Rx HW reap to stack deliver delay 58 */ 59 enum cdp_hist_types { 60 CDP_HIST_TYPE_SW_ENQEUE_DELAY, 61 CDP_HIST_TYPE_HW_COMP_DELAY, 62 CDP_HIST_TYPE_REAP_STACK, 63 CDP_HIST_TYPE_MAX, 64 }; 65 66 /* 67 * cdp_hist_bucket: Histogram Bucket 68 * @hist_type: Histogram type 69 * @freq: Frequency 70 */ 71 struct cdp_hist_bucket { 72 enum cdp_hist_types hist_type; 73 uint64_t freq[CDP_HIST_BUCKET_MAX]; 74 }; 75 76 /* 77 * cdp_hist_stats : Histogram of a stats type 78 * @hist: Frequency distribution 79 * @max: Max frequency 80 * @min: Minimum frequency 81 * @avg: Average frequency 82 */ 83 struct cdp_hist_stats { 84 struct cdp_hist_bucket hist; 85 int max; 86 int min; 87 int avg; 88 }; 89 #endif /* _CDP_TXRX_HIST_STRUCT_H_ */ 90