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, 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 * 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#include <sys/sysctl.h> 41 42#include <stdio.h> 43#include <ctype.h> 44#include <getopt.h> 45#include <stdlib.h> 46#include <string.h> 47#include <strings.h> 48#include <err.h> 49 50#define N(a) (sizeof(a)/sizeof(a[0])) 51 52const char *progname; 53 54enum { 55 ATH_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 56 ATH_DEBUG_XMIT_DESC = 0x00000002, /* xmit descriptors */ 57 ATH_DEBUG_RECV = 0x00000004, /* basic recv operation */ 58 ATH_DEBUG_RECV_DESC = 0x00000008, /* recv descriptors */ 59 ATH_DEBUG_RATE = 0x00000010, /* rate control */ 60 ATH_DEBUG_RESET = 0x00000020, /* reset processing */ 61 ATH_DEBUG_MODE = 0x00000040, /* mode init/setup */ 62 ATH_DEBUG_BEACON = 0x00000080, /* beacon handling */ 63 ATH_DEBUG_WATCHDOG = 0x00000100, /* watchdog timeout */ 64 ATH_DEBUG_INTR = 0x00001000, /* ISR */ 65 ATH_DEBUG_TX_PROC = 0x00002000, /* tx ISR proc */ 66 ATH_DEBUG_RX_PROC = 0x00004000, /* rx ISR proc */ 67 ATH_DEBUG_BEACON_PROC = 0x00008000, /* beacon ISR proc */ 68 ATH_DEBUG_CALIBRATE = 0x00010000, /* periodic calibration */ 69 ATH_DEBUG_KEYCACHE = 0x00020000, /* key cache management */ 70 ATH_DEBUG_STATE = 0x00040000, /* 802.11 state transitions */ 71 ATH_DEBUG_NODE = 0x00080000, /* node management */ 72 ATH_DEBUG_LED = 0x00100000, /* led management */ 73 ATH_DEBUG_FF = 0x00200000, /* fast frames */ 74 ATH_DEBUG_DFS = 0x00400000, /* DFS processing */ 75 ATH_DEBUG_TDMA = 0x00800000, /* TDMA processing */ 76 ATH_DEBUG_TDMA_TIMER = 0x01000000, /* TDMA timer processing */ 77 ATH_DEBUG_REGDOMAIN = 0x02000000, /* regulatory processing */ 78 ATH_DEBUG_FATAL = 0x80000000, /* fatal errors */ 79 ATH_DEBUG_ANY = 0xffffffff 80}; 81 82static struct { 83 const char *name; 84 u_int bit; 85} flags[] = { 86 { "xmit", ATH_DEBUG_XMIT }, 87 { "xmit_desc", ATH_DEBUG_XMIT_DESC }, 88 { "recv", ATH_DEBUG_RECV }, 89 { "recv_desc", ATH_DEBUG_RECV_DESC }, 90 { "rate", ATH_DEBUG_RATE }, 91 { "reset", ATH_DEBUG_RESET }, 92 { "mode", ATH_DEBUG_MODE }, 93 { "beacon", ATH_DEBUG_BEACON }, 94 { "watchdog", ATH_DEBUG_WATCHDOG }, 95 { "intr", ATH_DEBUG_INTR }, 96 { "xmit_proc", ATH_DEBUG_TX_PROC }, 97 { "recv_proc", ATH_DEBUG_RX_PROC }, 98 { "beacon_proc",ATH_DEBUG_BEACON_PROC }, 99 { "calibrate", ATH_DEBUG_CALIBRATE }, 100 { "keycache", ATH_DEBUG_KEYCACHE }, 101 { "state", ATH_DEBUG_STATE }, 102 { "node", ATH_DEBUG_NODE }, 103 { "led", ATH_DEBUG_LED }, 104 { "ff", ATH_DEBUG_FF }, 105 { "dfs", ATH_DEBUG_DFS }, 106 { "tdma", ATH_DEBUG_TDMA }, 107 { "tdma_timer", ATH_DEBUG_TDMA_TIMER }, 108 { "regdomain", ATH_DEBUG_REGDOMAIN }, 109 { "fatal", ATH_DEBUG_FATAL }, 110}; 111 112static u_int 113getflag(const char *name, int len) 114{ 115 int i; 116 117 for (i = 0; i < N(flags); i++) 118 if (strncasecmp(flags[i].name, name, len) == 0) 119 return flags[i].bit; 120 return 0; 121} 122 123static const char * 124getflagname(u_int flag) 125{ 126 int i; 127 128 for (i = 0; i < N(flags); i++) 129 if (flags[i].bit == flag) 130 return flags[i].name; 131 return "???"; 132} 133 134static void 135usage(void) 136{ 137 int i; 138 139 fprintf(stderr, "usage: %s [-i device] [flags]\n", progname); 140 fprintf(stderr, "where flags are:\n"); 141 for (i = 0; i < N(flags); i++) 142 printf("%s\n", flags[i].name); 143 exit(-1); 144} 145 146int 147main(int argc, char *argv[]) 148{ 149 const char *ifname; 150 const char *cp, *tp; 151 const char *sep; 152 int c, op, i; 153 u_int32_t debug, ndebug; 154 size_t debuglen; 155 char oid[256]; 156 157 ifname = getenv("ATH"); 158 if (ifname == NULL) 159 ifname = "ath0"; 160 progname = argv[0]; 161 if (argc > 1) { 162 if (strcmp(argv[1], "-i") == 0) { 163 if (argc < 2) 164 errx(1, "missing interface name for -i option"); 165 ifname = argv[2]; 166 if (strncmp(ifname, "ath", 3) != 0) 167 errx(2, "huh, this is for ath devices?"); 168 argc -= 2, argv += 2; 169 } else if (strcmp(argv[1], "-?") == 0) 170 usage(); 171 } 172 173#ifdef __linux__ 174 snprintf(oid, sizeof(oid), "dev.%s.debug", ifname); 175#else 176 snprintf(oid, sizeof(oid), "dev.ath.%s.debug", ifname+3); 177#endif 178 debuglen = sizeof(debug); 179 if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 180 err(1, "sysctl-get(%s)", oid); 181 ndebug = debug; 182 for (; argc > 1; argc--, argv++) { 183 cp = argv[1]; 184 do { 185 u_int bit; 186 187 if (*cp == '-') { 188 cp++; 189 op = -1; 190 } else if (*cp == '+') { 191 cp++; 192 op = 1; 193 } else 194 op = 0; 195 for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 196 tp++; 197 bit = getflag(cp, tp-cp); 198 if (op < 0) 199 ndebug &= ~bit; 200 else if (op > 0) 201 ndebug |= bit; 202 else { 203 if (bit == 0) { 204 if (isdigit(*cp)) 205 bit = strtoul(cp, NULL, 0); 206 else 207 errx(1, "unknown flag %.*s", 208 tp-cp, cp); 209 } 210 ndebug = bit; 211 } 212 } while (*(cp = tp) != '\0'); 213 } 214 if (debug != ndebug) { 215 printf("%s: 0x%x => ", oid, debug); 216 if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 217 err(1, "sysctl-set(%s)", oid); 218 printf("0x%x", ndebug); 219 debug = ndebug; 220 } else 221 printf("%s: 0x%x", oid, debug); 222 sep = "<"; 223 for (i = 0; i < N(flags); i++) 224 if (debug & flags[i].bit) { 225 printf("%s%s", sep, flags[i].name); 226 sep = ","; 227 } 228 printf("%s\n", *sep != '<' ? ">" : ""); 229 return 0; 230} 231