1 /*- 2 * Copyright (c) 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 * mwldebug [-i interface] flags 34 * (default interface is mwl0). 35 */ 36 37 #include <sys/param.h> 38 #include <sys/file.h> 39 #include <sys/ioctl.h> 40 #include <sys/socket.h> 41 #include <sys/sysctl.h> 42 43 #include <ctype.h> 44 #include <err.h> 45 #include <getopt.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 50 const char *progname; 51 52 enum { 53 MWL_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 54 MWL_DEBUG_XMIT_DESC = 0x00000002, /* xmit descriptors */ 55 MWL_DEBUG_RECV = 0x00000004, /* basic recv operation */ 56 MWL_DEBUG_RECV_DESC = 0x00000008, /* recv descriptors */ 57 MWL_DEBUG_RESET = 0x00000010, /* reset processing */ 58 MWL_DEBUG_BEACON = 0x00000020, /* beacon handling */ 59 MWL_DEBUG_INTR = 0x00000040, /* ISR */ 60 MWL_DEBUG_TX_PROC = 0x00000080, /* tx ISR proc */ 61 MWL_DEBUG_RX_PROC = 0x00000100, /* rx ISR proc */ 62 MWL_DEBUG_KEYCACHE = 0x00000200, /* key cache management */ 63 MWL_DEBUG_STATE = 0x00000400, /* 802.11 state transitions */ 64 MWL_DEBUG_NODE = 0x00000800, /* node management */ 65 MWL_DEBUG_RECV_ALL = 0x00001000, /* trace all frames (beacons) */ 66 MWL_DEBUG_TSO = 0x00002000, /* TSO processing */ 67 MWL_DEBUG_AMPDU = 0x00004000, /* BA stream handling */ 68 MWL_DEBUG_ANY = 0xffffffff 69 }; 70 71 static struct { 72 const char *name; 73 u_int bit; 74 } flags[] = { 75 { "xmit", MWL_DEBUG_XMIT }, 76 { "xmit_desc", MWL_DEBUG_XMIT_DESC }, 77 { "recv", MWL_DEBUG_RECV }, 78 { "recv_desc", MWL_DEBUG_RECV_DESC }, 79 { "reset", MWL_DEBUG_RESET }, 80 { "beacon", MWL_DEBUG_BEACON }, 81 { "intr", MWL_DEBUG_INTR }, 82 { "xmit_proc", MWL_DEBUG_TX_PROC }, 83 { "recv_proc", MWL_DEBUG_RX_PROC }, 84 { "keycache", MWL_DEBUG_KEYCACHE }, 85 { "state", MWL_DEBUG_STATE }, 86 { "node", MWL_DEBUG_NODE }, 87 { "recv_all", MWL_DEBUG_RECV_ALL }, 88 { "tso", MWL_DEBUG_TSO }, 89 { "ampdu", MWL_DEBUG_AMPDU }, 90 /* XXX these are a hack; there should be a separate sysctl knob */ 91 { "hal", 0x02000000 }, /* cmd-completion processing */ 92 { "hal2", 0x01000000 }, /* cmd submission processing */ 93 { "halhang", 0x04000000 }, /* disable fw hang stuff */ 94 }; 95 96 static u_int 97 getflag(const char *name, int len) 98 { 99 int i; 100 101 for (i = 0; i < nitems(flags); i++) 102 if (strncasecmp(flags[i].name, name, len) == 0) 103 return flags[i].bit; 104 return 0; 105 } 106 107 #if 0 108 static const char * 109 getflagname(u_int flag) 110 { 111 int i; 112 113 for (i = 0; i < nitems(flags); i++) 114 if (flags[i].bit == flag) 115 return flags[i].name; 116 return "???"; 117 } 118 #endif 119 120 static void 121 usage(void) 122 { 123 int i; 124 125 fprintf(stderr, "usage: %s [-i device] [flags]\n", progname); 126 fprintf(stderr, "where flags are:\n"); 127 for (i = 0; i < nitems(flags); i++) 128 printf("%s\n", flags[i].name); 129 exit(-1); 130 } 131 132 int 133 main(int argc, char *argv[]) 134 { 135 const char *ifname = "mwl0"; 136 const char *cp, *tp; 137 const char *sep; 138 int c, op, i; 139 u_int32_t debug, ndebug; 140 size_t debuglen; 141 char oid[256]; 142 143 progname = argv[0]; 144 if (argc > 1) { 145 if (strcmp(argv[1], "-i") == 0) { 146 if (argc < 2) 147 errx(1, "missing interface name for -i option"); 148 ifname = argv[2]; 149 if (strncmp(ifname, "mv", 2) != 0) 150 errx(2, "huh, this is for mv devices?"); 151 argc -= 2, argv += 2; 152 } else if (strcmp(argv[1], "-?") == 0) 153 usage(); 154 } 155 156 snprintf(oid, sizeof(oid), "dev.mwl.%s.debug", ifname+3); 157 debuglen = sizeof(debug); 158 if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 159 err(1, "sysctl-get(%s)", oid); 160 ndebug = debug; 161 for (; argc > 1; argc--, argv++) { 162 cp = argv[1]; 163 do { 164 u_int bit; 165 166 if (*cp == '-') { 167 cp++; 168 op = -1; 169 } else if (*cp == '+') { 170 cp++; 171 op = 1; 172 } else 173 op = 0; 174 for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 175 tp++; 176 bit = getflag(cp, tp-cp); 177 if (op < 0) 178 ndebug &= ~bit; 179 else if (op > 0) 180 ndebug |= bit; 181 else { 182 if (bit == 0) { 183 c = *cp; 184 if (isdigit(c)) 185 bit = strtoul(cp, NULL, 0); 186 else 187 errx(1, "unknown flag %.*s", 188 (int)(tp-cp), cp); 189 } 190 ndebug = bit; 191 } 192 } while (*(cp = tp) != '\0'); 193 } 194 if (debug != ndebug) { 195 printf("%s: 0x%x => ", oid, debug); 196 if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 197 err(1, "sysctl-set(%s)", oid); 198 printf("0x%x", ndebug); 199 debug = ndebug; 200 } else 201 printf("%s: 0x%x", oid, debug); 202 sep = "<"; 203 for (i = 0; i < nitems(flags); i++) 204 if (debug & flags[i].bit) { 205 printf("%s%s", sep, flags[i].name); 206 sep = ","; 207 } 208 printf("%s\n", *sep != '<' ? ">" : ""); 209 return 0; 210 } 211