^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * it under the terms of the GNU General Public License version 2 as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * published by the Free Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Based on minstrel.c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright (C) 2005-2007 Derek Smithies <derek@indranet.co.nz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Sponsored by Indranet Technologies Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Based on sample.c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Copyright (c) 2005 John Bicket
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * notice, this list of conditions and the following disclaimer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * without modification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * 2. Redistributions in binary form must reproduce at minimum a disclaimer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * redistribution must be conditioned upon including a substantially
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * similar Disclaimer requirement for further binary redistribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * 3. Neither the names of the above-listed copyright holders nor the names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * of any contributors may be used to endorse or promote products derived
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * from this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * Alternatively, this software may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * GNU General Public License ("GPL") version 2 as published by the Free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * NO WARRANTY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * THE POSSIBILITY OF SUCH DAMAGES.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #include <linux/ieee80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #include <net/mac80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #include "rc80211_minstrel.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) minstrel_stats_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct minstrel_sta_info *mi = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct minstrel_debugfs_info *ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) unsigned int i, tp_max, tp_avg, eprob;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) ms = kmalloc(2048, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (!ms)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) file->private_data = ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) p = ms->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) p += sprintf(p, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) p += sprintf(p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) "best __________rate_________ ____statistics___ ____last_____ ______sum-of________\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) p += sprintf(p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) "rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) for (i = 0; i < mi->n_rates; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct minstrel_rate *mr = &mi->r[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct minstrel_rate_stats *mrs = &mi->r[i].stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) *(p++) = (i == mi->max_tp_rate[0]) ? 'A' : ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) *(p++) = (i == mi->max_tp_rate[1]) ? 'B' : ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) *(p++) = (i == mi->max_tp_rate[2]) ? 'C' : ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) *(p++) = (i == mi->max_tp_rate[3]) ? 'D' : ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) *(p++) = (i == mi->max_prob_rate) ? 'P' : ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) p += sprintf(p, " %3u%s ", mr->bitrate / 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) (mr->bitrate & 1 ? ".5" : " "));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) p += sprintf(p, "%3u ", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) p += sprintf(p, "%6u ", mr->perfect_tx_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) tp_max = minstrel_get_tp_avg(mr, MINSTREL_FRAC(100,100));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) tp_avg = minstrel_get_tp_avg(mr, mrs->prob_avg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) eprob = MINSTREL_TRUNC(mrs->prob_avg * 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) p += sprintf(p, "%4u.%1u %4u.%1u %3u.%1u"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) " %3u %3u %-3u "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) "%9llu %-9llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) tp_max / 10, tp_max % 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) tp_avg / 10, tp_avg % 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) eprob / 10, eprob % 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) mrs->retry_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) mrs->last_success,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) mrs->last_attempts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) (unsigned long long)mrs->succ_hist,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) (unsigned long long)mrs->att_hist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) p += sprintf(p, "\nTotal packet count:: ideal %d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) "lookaround %d\n\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) mi->total_packets - mi->sample_packets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) mi->sample_packets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ms->len = p - ms->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) WARN_ON(ms->len + sizeof(*ms) > 2048);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) minstrel_stats_csv_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct minstrel_sta_info *mi = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct minstrel_debugfs_info *ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) unsigned int i, tp_max, tp_avg, eprob;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ms = kmalloc(2048, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (!ms)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) file->private_data = ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) p = ms->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) for (i = 0; i < mi->n_rates; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct minstrel_rate *mr = &mi->r[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct minstrel_rate_stats *mrs = &mi->r[i].stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) p += sprintf(p, "%s" ,((i == mi->max_tp_rate[0]) ? "A" : ""));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) p += sprintf(p, "%s" ,((i == mi->max_tp_rate[1]) ? "B" : ""));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) p += sprintf(p, "%s" ,((i == mi->max_tp_rate[2]) ? "C" : ""));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) p += sprintf(p, "%s" ,((i == mi->max_tp_rate[3]) ? "D" : ""));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) p += sprintf(p, "%s" ,((i == mi->max_prob_rate) ? "P" : ""));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) p += sprintf(p, ",%u%s", mr->bitrate / 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) (mr->bitrate & 1 ? ".5," : ","));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) p += sprintf(p, "%u,", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) p += sprintf(p, "%u,",mr->perfect_tx_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) tp_max = minstrel_get_tp_avg(mr, MINSTREL_FRAC(100,100));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) tp_avg = minstrel_get_tp_avg(mr, mrs->prob_avg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) eprob = MINSTREL_TRUNC(mrs->prob_avg * 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) p += sprintf(p, "%u.%u,%u.%u,%u.%u,%u,%u,%u,"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) "%llu,%llu,%d,%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) tp_max / 10, tp_max % 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) tp_avg / 10, tp_avg % 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) eprob / 10, eprob % 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) mrs->retry_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) mrs->last_success,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) mrs->last_attempts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) (unsigned long long)mrs->succ_hist,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) (unsigned long long)mrs->att_hist,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) mi->total_packets - mi->sample_packets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) mi->sample_packets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) ms->len = p - ms->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) WARN_ON(ms->len + sizeof(*ms) > 2048);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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