main.c revision 188206 
1/*-
2 * Copyright (c) 2002-2007 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: head/tools/tools/net80211/wlanstats/main.c 188206 2009-02-05 22:17:10Z sam $
30 */
31
32/*
33 * wlanstats [-i interface]
34 * (default interface is wlan0).
35 */
36
37#include <sys/types.h>
38#include <sys/socket.h>
39#include <net/ethernet.h>
40#include <net80211/_ieee80211.h>
41
42#include <stdlib.h>
43#include <stdio.h>
44#include <signal.h>
45#include <unistd.h>
46#include <err.h>
47#include <strings.h>
48
49#include "wlanstats.h"
50
51static struct {
52	const char *tag;
53	const char *fmt;
54} tags[] = {
55  { "default",
56    "input,rx_mgmt,output,rx_badkeyid,scan_active,scan_bg,bmiss,rssi,noise,rate"
57  },
58  { "ampdu",
59    "input,output,ampdu_reorder,ampdu_oor,rx_dup,ampdu_flush,ampdu_move,"
60    "ampdu_drop,ampdu_bar,ampdu_baroow,ampdu_barmove,rssi,rate"
61  },
62};
63
64static const char *
65getfmt(const char *tag)
66{
67#define	N(a)	(sizeof(a)/sizeof(a[0]))
68	int i;
69	for (i = 0; i < N(tags); i++)
70		if (strcasecmp(tags[i].tag, tag) == 0)
71			return tags[i].fmt;
72	return tag;
73#undef N
74}
75
76static int signalled;
77
78static void
79catchalarm(int signo __unused)
80{
81	signalled = 1;
82}
83
84#if 0
85static void
86print_sta_stats(FILE *fd, const u_int8_t macaddr[IEEE80211_ADDR_LEN])
87{
88#define	STAT(x,fmt) \
89	if (ns->ns_##x) { fprintf(fd, "%s" #x " " fmt, sep, ns->ns_##x); sep = " "; }
90	struct ieee80211req ireq;
91	struct ieee80211req_sta_stats stats;
92	const struct ieee80211_nodestats *ns = &stats.is_stats;
93	const char *sep;
94
95	(void) memset(&ireq, 0, sizeof(ireq));
96	(void) strncpy(ireq.i_name, ifr.ifr_name, sizeof(ireq.i_name));
97	ireq.i_type = IEEE80211_IOC_STA_STATS;
98	ireq.i_data = &stats;
99	ireq.i_len = sizeof(stats);
100	memcpy(stats.is_u.macaddr, macaddr, IEEE80211_ADDR_LEN);
101	if (ioctl(s, SIOCG80211, &ireq) < 0)
102		err(1, "unable to get station stats for %s",
103			ether_ntoa((const struct ether_addr*) macaddr));
104
105	fprintf(fd, "%s:\n", ether_ntoa((const struct ether_addr*) macaddr));
106
107	sep = "\t";
108	STAT(rx_data, "%u");
109	STAT(rx_mgmt, "%u");
110	STAT(rx_ctrl, "%u");
111	STAT(rx_beacons, "%u");
112	STAT(rx_proberesp, "%u");
113	STAT(rx_ucast, "%u");
114	STAT(rx_mcast, "%u");
115	STAT(rx_bytes, "%llu");
116	STAT(rx_dup, "%u");
117	STAT(rx_noprivacy, "%u");
118	STAT(rx_wepfail, "%u");
119	STAT(rx_demicfail, "%u");
120	STAT(rx_decap, "%u");
121	STAT(rx_defrag, "%u");
122	STAT(rx_disassoc, "%u");
123	STAT(rx_deauth, "%u");
124	STAT(rx_decryptcrc, "%u");
125	STAT(rx_unauth, "%u");
126	STAT(rx_unencrypted, "%u");
127	fprintf(fd, "\n");
128
129	sep = "\t";
130	STAT(tx_data, "%u");
131	STAT(tx_mgmt, "%u");
132	STAT(tx_probereq, "%u");
133	STAT(tx_ucast, "%u");
134	STAT(tx_mcast, "%u");
135	STAT(tx_bytes, "%llu");
136	STAT(tx_novlantag, "%u");
137	STAT(tx_vlanmismatch, "%u");
138	fprintf(fd, "\n");
139
140	sep = "\t";
141	STAT(tx_assoc, "%u");
142	STAT(tx_assoc_fail, "%u");
143	STAT(tx_auth, "%u");
144	STAT(tx_auth_fail, "%u");
145	STAT(tx_deauth, "%u");
146	STAT(tx_deauth_code, "%llu");
147	STAT(tx_disassoc, "%u");
148	STAT(tx_disassoc_code, "%u");
149	fprintf(fd, "\n");
150
151#undef STAT
152}
153#endif
154
155int
156main(int argc, char *argv[])
157{
158	struct wlanstatfoo *wf;
159	struct ether_addr *ea;
160	const uint8_t *mac = NULL;
161	const char *ifname;
162	int allnodes = 0;
163	int c, mode;
164
165	ifname = getenv("WLAN");
166	if (ifname == NULL)
167		ifname = "wlan0";
168	wf = wlanstats_new(ifname, getfmt("default"));
169	while ((c = getopt(argc, argv, "ai:lm:o:")) != -1) {
170		switch (c) {
171		case 'a':
172			allnodes++;
173			break;
174		case 'i':
175			wf->setifname(wf, optarg);
176			break;
177		case 'l':
178			wf->print_fields(wf, stdout);
179			return 0;
180		case 'm':
181			ea = ether_aton(optarg);
182			if (!ea)
183				errx(1, "%s: invalid ethernet address", optarg);
184			mac = ea->octet;
185			break;
186		case 'o':
187			wf->setfmt(wf, getfmt(optarg));
188			break;
189		default:
190			errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [interval]\n", argv[0]);
191			/*NOTREACHED*/
192		}
193	}
194	argc -= optind;
195	argv += optind;
196
197	mode = wf->getopmode(wf);
198	wf->setstamac(wf, mac);
199
200	if (argc > 0) {
201		u_long interval = strtoul(argv[0], NULL, 0);
202		int line, omask;
203
204		if (interval < 1)
205			interval = 1;
206		signal(SIGALRM, catchalarm);
207		signalled = 0;
208		alarm(interval);
209	banner:
210		wf->print_header(wf, stdout);
211		line = 0;
212	loop:
213		if (line != 0) {
214			wf->collect_cur(wf);
215			wf->print_current(wf, stdout);
216			wf->update_tot(wf);
217		} else {
218			wf->collect_tot(wf);
219			wf->print_total(wf, stdout);
220		}
221		fflush(stdout);
222		omask = sigblock(sigmask(SIGALRM));
223		if (!signalled)
224			sigpause(0);
225		sigsetmask(omask);
226		signalled = 0;
227		alarm(interval);
228		line++;
229		/* refresh every display in case sta roams */
230		if (mac == NULL && mode == IEEE80211_M_STA)
231			wf->setstamac(wf, NULL);
232		if (line == 21)		/* XXX tty line count */
233			goto banner;
234		else
235			goto loop;
236		/*NOTREACHED*/
237#if 0
238	} else if (allnodes) {
239		struct ieee80211req_sta_info *si;
240		union {
241			struct ieee80211req_sta_req req;
242			uint8_t buf[24*1024];
243		} u;
244		uint8_t *cp;
245		struct ieee80211req ireq;
246		int len;
247
248		/*
249		 * Retrieve station/neighbor table and print stats for each.
250		 */
251		(void) memset(&ireq, 0, sizeof(ireq));
252		(void) strncpy(ireq.i_name, ifr.ifr_name, sizeof(ireq.i_name));
253		ireq.i_type = IEEE80211_IOC_STA_INFO;
254		memset(&u.req.macaddr, 0xff, sizeof(u.req.macaddr));
255		ireq.i_data = &u;
256		ireq.i_len = sizeof(u);
257		if (ioctl(s, SIOCG80211, &ireq) < 0)
258			err(1, "unable to get station information");
259		len = ireq.i_len;
260		if (len >= sizeof(struct ieee80211req_sta_info)) {
261			cp = u.req.info;
262			do {
263				si = (struct ieee80211req_sta_info *) cp;
264				if (si->isi_len < sizeof(*si))
265					break;
266				print_sta_stats(stdout, si->isi_macaddr);
267				cp += si->isi_len, len -= si->isi_len;
268			} while (len >= sizeof(struct ieee80211req_sta_info));
269		}
270#endif
271	} else {
272		wf->collect_tot(wf);
273		wf->print_verbose(wf, stdout);
274	}
275	return 0;
276}
277