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1 /*-
2  * Copyright (c) 2006 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  *
29  * $FreeBSD$
30  */
31
32 /*
33  * Simple Marvell-specific tool to inspect and monitor network traffic
34  * statistics.
35  *
36  *      mwlstats [-i interface] [-l] [-o fmtstring] [interval]
37  *
38  * (default interface is mv0).  If interval is specified a rolling output
39  * a la netstat -i is displayed every interval seconds.  The format of
40  * the rolling display can be controlled a la ps.  The -l option will
41  * print a list of all possible statistics for use with the -o option.
42  */
43
44 #include <stdlib.h>
45 #include <stdio.h>
46 #include <signal.h>
47 #include <unistd.h>
48 #include <err.h>
49
50 #include "mwlstats.h"
51
52 #define S_DEFAULT \
53         "input,output,txtry,txretry,txmretry,txdoneput,rxfcs,rxcrypt,rxicv,rssi,rate"
54
55 static int signalled;
56
57 static void
58 catchalarm(int signo __unused)
59 {
60         signalled = 1;
61 }
62
63 int
64 main(int argc, char *argv[])
65 {
66         struct mwlstatfoo *wf;
67         int c;
68
69         wf = mwlstats_new("mwl0", S_DEFAULT);
70         while ((c = getopt(argc, argv, "i:lo:")) != -1) {
71                 switch (c) {
72                 case 'i':
73                         wf->setifname(wf, optarg);
74                         break;
75                 case 'l':
76                         wf->print_fields(wf, stdout);
77                         return 0;
78                 case 'o':
79                         wf->setfmt(wf, optarg);
80                         break;
81                 default:
82                         errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [interval]\n", argv[0]);
83                         /*NOTREACHED*/
84                 }
85         }
86         argc -= optind;
87         argv += optind;
88
89         if (argc > 0) {
90                 u_long interval = strtoul(argv[0], NULL, 0);
91                 int line, omask;
92
93                 if (interval < 1)
94                         interval = 1;
95                 signal(SIGALRM, catchalarm);
96                 signalled = 0;
97                 alarm(interval);
98         banner:
99                 wf->print_header(wf, stdout);
100                 line = 0;
101         loop:
102                 if (line != 0) {
103                         wf->collect_cur(wf);
104                         wf->print_current(wf, stdout);
105                         wf->update_tot(wf);
106                 } else {
107                         wf->collect_tot(wf);
108                         wf->print_total(wf, stdout);
109                 }
110                 fflush(stdout);
111                 omask = sigblock(sigmask(SIGALRM));
112                 if (!signalled)
113                         sigpause(0);
114                 sigsetmask(omask);
115                 signalled = 0;
116                 alarm(interval);
117                 line++;
118                 if (line == 21)         /* XXX tty line count */
119                         goto banner;
120                 else
121                         goto loop;
122                 /*NOTREACHED*/
123         } else {
124                 wf->collect_tot(wf);
125                 wf->print_verbose(wf, stdout);
126         }
127         return 0;
128 }