1 /* $NetBSD: qdisc_hfsc.c,v 1.6 2006/10/28 11:43:02 peter Exp $ */
2 /* $KAME: qdisc_hfsc.c,v 1.8 2003/07/10 12:09:38 kjc Exp $ */
3 /*
4 * Copyright (C) 1999-2000
5 * Sony Computer Science Laboratories, Inc. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/ioctl.h>
31 #include <sys/time.h>
32 #include <sys/socket.h>
33 #include <net/if.h>
34 #include <netinet/in.h>
35 #include <altq/altq.h>
36 #include <altq/altq_hfsc.h>
37
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <unistd.h>
41 #include <string.h>
42 #include <signal.h>
43 #include <math.h>
44 #include <errno.h>
45 #include <err.h>
46
47 #include "quip_client.h"
48 #include "altqstat.h"
49
50 #define NCLASSES 64
51
52 void
hfsc_stat_loop(int fd,const char * ifname,int count,int interval)53 hfsc_stat_loop(int fd, const char *ifname, int count, int interval)
54 {
55 struct hfsc_classstats stats1[NCLASSES], stats2[NCLASSES];
56 char clnames[NCLASSES][128];
57 struct hfsc_class_stats get_stats;
58 struct hfsc_classstats *sp, *lp, *new, *last, *tmp;
59 struct timeval cur_time, last_time;
60 int i;
61 double sec;
62 int cnt = count;
63 sigset_t omask;
64 u_int64_t stattime;
65 u_int32_t machclk_freq;
66
67 strlcpy(get_stats.iface.hfsc_ifname, ifname,
68 sizeof(get_stats.iface.hfsc_ifname));
69 new = &stats1[0];
70 last = &stats2[0];
71
72 /* invalidate class ids */
73 for (i = 0; i < NCLASSES; i++) {
74 last[i].class_id = 999999; /* XXX */
75 last[i].class_handle = HFSC_NULLCLASS_HANDLE;
76 }
77
78 for (;;) {
79 get_stats.nskip = 0;
80 get_stats.nclasses = NCLASSES;
81 get_stats.stats = new;
82
83 if (ioctl(fd, HFSC_GETSTATS, &get_stats) < 0)
84 err(1, "ioctl HFSC_GETSTATS");
85
86 gettimeofday(&cur_time, NULL);
87 sec = calc_interval(&cur_time, &last_time);
88
89 stattime = get_stats.cur_time;
90 machclk_freq = get_stats.machclk_freq;
91 printf("\ncur_time:%#llx %u classes %u packets in the tree\n",
92 (ull)stattime,
93 get_stats.hif_classes, get_stats.hif_packets);
94
95 for (i=0; i<get_stats.nclasses; i++) {
96 sp = &new[i];
97 lp = &last[i];
98
99 if (sp->class_id != lp->class_id) {
100 quip_chandle2name(ifname, sp->class_handle,
101 clnames[i], sizeof(clnames[0]));
102 }
103
104 printf("[%2d %s] handle:%#x [rt %s %ums %s][ls %s %ums %s]",
105 sp->class_id, clnames[i], sp->class_handle,
106 rate2str((double)sp->rsc.m1), sp->rsc.d,
107 rate2str((double)sp->rsc.m2),
108 rate2str((double)sp->fsc.m1), sp->fsc.d,
109 rate2str((double)sp->fsc.m2));
110 if (sp->usc.m1 != 0 || sp->usc.m2 != 0)
111 printf("[ul %s %ums %s]\n",
112 rate2str((double)sp->usc.m1), sp->usc.d,
113 rate2str((double)sp->usc.m2));
114 else
115 printf("\n");
116 if (lp->class_handle != HFSC_NULLCLASS_HANDLE) {
117 printf(" measured: %sbps [rt:%s ls:%s] qlen:%2d period:%u\n",
118 rate2str(calc_rate(sp->total, lp->total, sec)),
119 rate2str(calc_rate(sp->cumul, lp->cumul, sec)),
120 rate2str(calc_rate(sp->total - sp->cumul,
121 lp->total - lp->cumul, sec)),
122 sp->qlength, sp->period);
123 }
124 printf(" packets:%llu (%llu bytes) drops:%llu (%llu bytes) \n",
125 (ull)sp->xmit_cnt.packets,
126 (ull)sp->xmit_cnt.bytes,
127 (ull)sp->drop_cnt.packets,
128 (ull)sp->drop_cnt.bytes);
129 printf(" cumul:%#llx total:%#llx\n",
130 (ull)sp->cumul, (ull)sp->total);
131 printf(" e:%.2fus d:%.2fus f:%.2fus vt:%#llx\n",
132 sp->e == 0 ? 0 : ((double)sp->e - (double)stattime)
133 / machclk_freq * 1000000,
134 sp->d == 0 ? 0 : ((double)sp->d - (double)stattime)
135 / machclk_freq * 1000000,
136 sp->f == 0 ? 0 : ((double)sp->f - (double)stattime)
137 / machclk_freq * 1000000,
138 (ull)sp->vt);
139 printf(" vtperiod:%u parentperiod:%u nactive:%d\n",
140 sp->vtperiod, sp->parentperiod, sp->nactive);
141 printf(" initvt:%#llx cvtmax:%#llx vtoff:%#llx\n",
142 (ull)sp->initvt, (ull)sp->cvtmax, (ull)sp->vtoff);
143
144 printf(" myf:%#llx cfmin:%#llx cvtmin:%#llx",
145 (ull)sp->myf, (ull)sp->cfmin, (ull)sp->cvtmin);
146 printf(" myfadj:%#llx vtadj:%#llx\n",
147 (ull)sp->myfadj, (ull)sp->vtadj);
148 if (sp->qtype == Q_RED)
149 print_redstats(sp->red);
150 else if (sp->qtype == Q_RIO)
151 print_riostats(sp->red);
152 }
153
154 /* swap the buffer pointers */
155 tmp = last;
156 last = new;
157 new = tmp;
158
159 last_time = cur_time;
160
161 if (count != 0 && --cnt == 0)
162 break;
163
164 /* wait for alarm signal */
165 if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
166 sigsuspend(&omask);
167 }
168 }
169