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 * $FreeBSD$
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,ampdu_bartx,"
61    "ampdu_bartxfail,ampdu_bartxretry,rssi,rate"
62  },
63};
64
65static const char *
66getfmt(const char *tag)
67{
68#define	N(a)	(sizeof(a)/sizeof(a[0]))
69	int i;
70	for (i = 0; i < N(tags); i++)
71		if (strcasecmp(tags[i].tag, tag) == 0)
72			return tags[i].fmt;
73	return tag;
74#undef N
75}
76
77static int signalled;
78
79static void
80catchalarm(int signo __unused)
81{
82	signalled = 1;
83}
84
85#if 0
86static void
87print_sta_stats(FILE *fd, const u_int8_t macaddr[IEEE80211_ADDR_LEN])
88{
89#define	STAT(x,fmt) \
90	if (ns->ns_##x) { fprintf(fd, "%s" #x " " fmt, sep, ns->ns_##x); sep = " "; }
91	struct ieee80211req ireq;
92	struct ieee80211req_sta_stats stats;
93	const struct ieee80211_nodestats *ns = &stats.is_stats;
94	const char *sep;
95
96	(void) memset(&ireq, 0, sizeof(ireq));
97	(void) strncpy(ireq.i_name, ifr.ifr_name, sizeof(ireq.i_name));
98	ireq.i_type = IEEE80211_IOC_STA_STATS;
99	ireq.i_data = &stats;
100	ireq.i_len = sizeof(stats);
101	memcpy(stats.is_u.macaddr, macaddr, IEEE80211_ADDR_LEN);
102	if (ioctl(s, SIOCG80211, &ireq) < 0)
103		err(1, "unable to get station stats for %s",
104			ether_ntoa((const struct ether_addr*) macaddr));
105
106	fprintf(fd, "%s:\n", ether_ntoa((const struct ether_addr*) macaddr));
107
108	sep = "\t";
109	STAT(rx_data, "%u");
110	STAT(rx_mgmt, "%u");
111	STAT(rx_ctrl, "%u");
112	STAT(rx_beacons, "%u");
113	STAT(rx_proberesp, "%u");
114	STAT(rx_ucast, "%u");
115	STAT(rx_mcast, "%u");
116	STAT(rx_bytes, "%llu");
117	STAT(rx_dup, "%u");
118	STAT(rx_noprivacy, "%u");
119	STAT(rx_wepfail, "%u");
120	STAT(rx_demicfail, "%u");
121	STAT(rx_decap, "%u");
122	STAT(rx_defrag, "%u");
123	STAT(rx_disassoc, "%u");
124	STAT(rx_deauth, "%u");
125	STAT(rx_decryptcrc, "%u");
126	STAT(rx_unauth, "%u");
127	STAT(rx_unencrypted, "%u");
128	fprintf(fd, "\n");
129
130	sep = "\t";
131	STAT(tx_data, "%u");
132	STAT(tx_mgmt, "%u");
133	STAT(tx_probereq, "%u");
134	STAT(tx_ucast, "%u");
135	STAT(tx_mcast, "%u");
136	STAT(tx_bytes, "%llu");
137	STAT(tx_novlantag, "%u");
138	STAT(tx_vlanmismatch, "%u");
139	fprintf(fd, "\n");
140
141	sep = "\t";
142	STAT(tx_assoc, "%u");
143	STAT(tx_assoc_fail, "%u");
144	STAT(tx_auth, "%u");
145	STAT(tx_auth_fail, "%u");
146	STAT(tx_deauth, "%u");
147	STAT(tx_deauth_code, "%llu");
148	STAT(tx_disassoc, "%u");
149	STAT(tx_disassoc_code, "%u");
150	fprintf(fd, "\n");
151
152#undef STAT
153}
154#endif
155
156int
157main(int argc, char *argv[])
158{
159	struct wlanstatfoo *wf;
160	struct ether_addr *ea;
161	const uint8_t *mac = NULL;
162	const char *ifname;
163	int allnodes = 0;
164	int c, mode;
165
166	ifname = getenv("WLAN");
167	if (ifname == NULL)
168		ifname = "wlan0";
169	wf = wlanstats_new(ifname, getfmt("default"));
170	while ((c = getopt(argc, argv, "ai:lm:o:")) != -1) {
171		switch (c) {
172		case 'a':
173			allnodes++;
174			break;
175		case 'i':
176			wf->setifname(wf, optarg);
177			break;
178		case 'l':
179			wf->print_fields(wf, stdout);
180			return 0;
181		case 'm':
182			ea = ether_aton(optarg);
183			if (!ea)
184				errx(1, "%s: invalid ethernet address", optarg);
185			mac = ea->octet;
186			break;
187		case 'o':
188			wf->setfmt(wf, getfmt(optarg));
189			break;
190		default:
191			errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [interval]\n", argv[0]);
192			/*NOTREACHED*/
193		}
194	}
195	argc -= optind;
196	argv += optind;
197
198	mode = wf->getopmode(wf);
199	wf->setstamac(wf, mac);
200
201	if (argc > 0) {
202		u_long interval = strtoul(argv[0], NULL, 0);
203		int line, omask;
204
205		if (interval < 1)
206			interval = 1;
207		signal(SIGALRM, catchalarm);
208		signalled = 0;
209		alarm(interval);
210	banner:
211		wf->print_header(wf, stdout);
212		line = 0;
213	loop:
214		if (line != 0) {
215			wf->collect_cur(wf);
216			wf->print_current(wf, stdout);
217			wf->update_tot(wf);
218		} else {
219			wf->collect_tot(wf);
220			wf->print_total(wf, stdout);
221		}
222		fflush(stdout);
223		omask = sigblock(sigmask(SIGALRM));
224		if (!signalled)
225			sigpause(0);
226		sigsetmask(omask);
227		signalled = 0;
228		alarm(interval);
229		line++;
230		/* refresh every display in case sta roams */
231		if (mac == NULL && mode == IEEE80211_M_STA)
232			wf->setstamac(wf, NULL);
233		if (line == 21)		/* XXX tty line count */
234			goto banner;
235		else
236			goto loop;
237		/*NOTREACHED*/
238#if 0
239	} else if (allnodes) {
240		struct ieee80211req_sta_info *si;
241		union {
242			struct ieee80211req_sta_req req;
243			uint8_t buf[24*1024];
244		} u;
245		uint8_t *cp;
246		struct ieee80211req ireq;
247		int len;
248
249		/*
250		 * Retrieve station/neighbor table and print stats for each.
251		 */
252		(void) memset(&ireq, 0, sizeof(ireq));
253		(void) strncpy(ireq.i_name, ifr.ifr_name, sizeof(ireq.i_name));
254		ireq.i_type = IEEE80211_IOC_STA_INFO;
255		memset(&u.req.macaddr, 0xff, sizeof(u.req.macaddr));
256		ireq.i_data = &u;
257		ireq.i_len = sizeof(u);
258		if (ioctl(s, SIOCG80211, &ireq) < 0)
259			err(1, "unable to get station information");
260		len = ireq.i_len;
261		if (len >= sizeof(struct ieee80211req_sta_info)) {
262			cp = u.req.info;
263			do {
264				si = (struct ieee80211req_sta_info *) cp;
265				if (si->isi_len < sizeof(*si))
266					break;
267				print_sta_stats(stdout, si->isi_macaddr);
268				cp += si->isi_len, len -= si->isi_len;
269			} while (len >= sizeof(struct ieee80211req_sta_info));
270		}
271#endif
272	} else {
273		wf->collect_tot(wf);
274		wf->print_verbose(wf, stdout);
275	}
276	return 0;
277}
278