xref: /dragonfly/tools/tools/ath/athdebug/athdebug.c (revision 7d3e9a5b)
1 /*-
2  * Copyright (c) 2002-2009 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, MERCHANTABILITY
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: src/tools/tools/ath/athdebug/athdebug.c,v 1.6 2009/01/08 17:12:47 sam Exp $
30  */
31 
32 /*
33  * athdebug [-i interface] flags
34  * (default interface is ath0).
35  */
36 #include <sys/types.h>
37 #include <sys/file.h>
38 #include <sys/ioctl.h>
39 #include <sys/socket.h>
40 
41 #include <stdio.h>
42 #include <ctype.h>
43 #include <getopt.h>
44 #include <stdlib.h>
45 
46 #define	N(a)	(sizeof(a)/sizeof(a[0]))
47 
48 const char *progname;
49 
50 enum {
51 	ATH_DEBUG_XMIT		= 0x00000001,	/* basic xmit operation */
52 	ATH_DEBUG_XMIT_DESC	= 0x00000002,	/* xmit descriptors */
53 	ATH_DEBUG_RECV		= 0x00000004,	/* basic recv operation */
54 	ATH_DEBUG_RECV_DESC	= 0x00000008,	/* recv descriptors */
55 	ATH_DEBUG_RATE		= 0x00000010,	/* rate control */
56 	ATH_DEBUG_RESET		= 0x00000020,	/* reset processing */
57 	ATH_DEBUG_MODE		= 0x00000040,	/* mode init/setup */
58 	ATH_DEBUG_BEACON 	= 0x00000080,	/* beacon handling */
59 	ATH_DEBUG_WATCHDOG 	= 0x00000100,	/* watchdog timeout */
60 	ATH_DEBUG_INTR		= 0x00001000,	/* ISR */
61 	ATH_DEBUG_TX_PROC	= 0x00002000,	/* tx ISR proc */
62 	ATH_DEBUG_RX_PROC	= 0x00004000,	/* rx ISR proc */
63 	ATH_DEBUG_BEACON_PROC	= 0x00008000,	/* beacon ISR proc */
64 	ATH_DEBUG_CALIBRATE	= 0x00010000,	/* periodic calibration */
65 	ATH_DEBUG_KEYCACHE	= 0x00020000,	/* key cache management */
66 	ATH_DEBUG_STATE		= 0x00040000,	/* 802.11 state transitions */
67 	ATH_DEBUG_NODE		= 0x00080000,	/* node management */
68 	ATH_DEBUG_LED		= 0x00100000,	/* led management */
69 	ATH_DEBUG_FF		= 0x00200000,	/* fast frames */
70 	ATH_DEBUG_DFS		= 0x00400000,	/* DFS processing */
71 	ATH_DEBUG_TDMA		= 0x00800000,	/* TDMA processing */
72 	ATH_DEBUG_TDMA_TIMER	= 0x01000000,	/* TDMA timer processing */
73 	ATH_DEBUG_REGDOMAIN	= 0x02000000,	/* regulatory processing */
74 	ATH_DEBUG_FATAL		= 0x80000000,	/* fatal errors */
75 	ATH_DEBUG_ANY		= 0xffffffff
76 };
77 
78 static struct {
79 	const char	*name;
80 	u_int		bit;
81 } flags[] = {
82 	{ "xmit",	ATH_DEBUG_XMIT },
83 	{ "xmit_desc",	ATH_DEBUG_XMIT_DESC },
84 	{ "recv",	ATH_DEBUG_RECV },
85 	{ "recv_desc",	ATH_DEBUG_RECV_DESC },
86 	{ "rate",	ATH_DEBUG_RATE },
87 	{ "reset",	ATH_DEBUG_RESET },
88 	{ "mode",	ATH_DEBUG_MODE },
89 	{ "beacon",	ATH_DEBUG_BEACON },
90 	{ "watchdog",	ATH_DEBUG_WATCHDOG },
91 	{ "intr",	ATH_DEBUG_INTR },
92 	{ "xmit_proc",	ATH_DEBUG_TX_PROC },
93 	{ "recv_proc",	ATH_DEBUG_RX_PROC },
94 	{ "beacon_proc",ATH_DEBUG_BEACON_PROC },
95 	{ "calibrate",	ATH_DEBUG_CALIBRATE },
96 	{ "keycache",	ATH_DEBUG_KEYCACHE },
97 	{ "state",	ATH_DEBUG_STATE },
98 	{ "node",	ATH_DEBUG_NODE },
99 	{ "led",	ATH_DEBUG_LED },
100 	{ "ff",		ATH_DEBUG_FF },
101 	{ "dfs",	ATH_DEBUG_DFS },
102 	{ "tdma",	ATH_DEBUG_TDMA },
103 	{ "tdma_timer",	ATH_DEBUG_TDMA_TIMER },
104 	{ "regdomain",	ATH_DEBUG_REGDOMAIN },
105 	{ "fatal",	ATH_DEBUG_FATAL },
106 };
107 
108 static u_int
109 getflag(const char *name, int len)
110 {
111 	int i;
112 
113 	for (i = 0; i < N(flags); i++)
114 		if (strncasecmp(flags[i].name, name, len) == 0)
115 			return flags[i].bit;
116 	return 0;
117 }
118 
119 static const char *
120 getflagname(u_int flag)
121 {
122 	int i;
123 
124 	for (i = 0; i < N(flags); i++)
125 		if (flags[i].bit == flag)
126 			return flags[i].name;
127 	return "???";
128 }
129 
130 static void
131 usage(void)
132 {
133 	int i;
134 
135 	fprintf(stderr, "usage: %s [-i device] [flags]\n", progname);
136 	fprintf(stderr, "where flags are:\n");
137 	for (i = 0; i < N(flags); i++)
138 		printf("%s\n", flags[i].name);
139 	exit(-1);
140 }
141 
142 int
143 main(int argc, char *argv[])
144 {
145 	const char *ifname;
146 	const char *cp, *tp;
147 	const char *sep;
148 	int c, op, i;
149 	u_int32_t debug, ndebug;
150 	size_t debuglen;
151 	char oid[256];
152 
153 	ifname = getenv("ATH");
154 	if (ifname == NULL)
155 		ifname = "ath0";
156 	progname = argv[0];
157 	if (argc > 1) {
158 		if (strcmp(argv[1], "-i") == 0) {
159 			if (argc < 2)
160 				errx(1, "missing interface name for -i option");
161 			ifname = argv[2];
162 			if (strncmp(ifname, "ath", 3) != 0)
163 				errx(2, "huh, this is for ath devices?");
164 			argc -= 2, argv += 2;
165 		} else if (strcmp(argv[1], "-?") == 0)
166 			usage();
167 	}
168 
169 #ifdef __linux__
170 	snprintf(oid, sizeof(oid), "dev.%s.debug", ifname);
171 #else
172 	snprintf(oid, sizeof(oid), "dev.ath.%s.debug", ifname+3);
173 #endif
174 	debuglen = sizeof(debug);
175 	if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0)
176 		err(1, "sysctl-get(%s)", oid);
177 	ndebug = debug;
178 	for (; argc > 1; argc--, argv++) {
179 		cp = argv[1];
180 		do {
181 			u_int bit;
182 
183 			if (*cp == '-') {
184 				cp++;
185 				op = -1;
186 			} else if (*cp == '+') {
187 				cp++;
188 				op = 1;
189 			} else
190 				op = 0;
191 			for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';)
192 				tp++;
193 			bit = getflag(cp, tp-cp);
194 			if (op < 0)
195 				ndebug &= ~bit;
196 			else if (op > 0)
197 				ndebug |= bit;
198 			else {
199 				if (bit == 0) {
200 					if (isdigit(*cp))
201 						bit = strtoul(cp, NULL, 0);
202 					else
203 						errx(1, "unknown flag %.*s",
204 							tp-cp, cp);
205 				}
206 				ndebug = bit;
207 			}
208 		} while (*(cp = tp) != '\0');
209 	}
210 	if (debug != ndebug) {
211 		printf("%s: 0x%x => ", oid, debug);
212 		if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0)
213 			err(1, "sysctl-set(%s)", oid);
214 		printf("0x%x", ndebug);
215 		debug = ndebug;
216 	} else
217 		printf("%s: 0x%x", oid, debug);
218 	sep = "<";
219 	for (i = 0; i < N(flags); i++)
220 		if (debug & flags[i].bit) {
221 			printf("%s%s", sep, flags[i].name);
222 			sep = ",";
223 		}
224 	printf("%s\n", *sep != '<' ? ">" : "");
225 	return 0;
226 }
227