athdebug.c revision 186904
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: head/tools/tools/ath/athdebug/athdebug.c 186904 2009-01-08 17:12:47Z sam $ 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 48const char *progname; 49 50enum { 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 78static 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 108static u_int 109getflag(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 119static const char * 120getflagname(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 130static void 131usage(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 142int 143main(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