1*0b19ae84Sstsp /* $OpenBSD: print-802_11.c,v 1.27 2015/10/13 14:36:15 stsp Exp $ */ 212a08440Sreyk 312a08440Sreyk /* 42c56d0d6Sreyk * Copyright (c) 2005 Reyk Floeter <reyk@openbsd.org> 512a08440Sreyk * 612a08440Sreyk * Permission to use, copy, modify, and distribute this software for any 712a08440Sreyk * purpose with or without fee is hereby granted, provided that the above 812a08440Sreyk * copyright notice and this permission notice appear in all copies. 912a08440Sreyk * 1012a08440Sreyk * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 1112a08440Sreyk * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 1212a08440Sreyk * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 1312a08440Sreyk * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 1412a08440Sreyk * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 1512a08440Sreyk * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 1612a08440Sreyk * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 1712a08440Sreyk */ 1812a08440Sreyk 1912a08440Sreyk #include <sys/time.h> 2012a08440Sreyk #include <sys/socket.h> 2112a08440Sreyk #include <sys/file.h> 2212a08440Sreyk #include <sys/ioctl.h> 2312a08440Sreyk 2412a08440Sreyk #include <net/if.h> 2512a08440Sreyk 2612a08440Sreyk #include <netinet/in.h> 2712a08440Sreyk #include <netinet/if_ether.h> 2812a08440Sreyk 2912a08440Sreyk #include <net80211/ieee80211.h> 3012a08440Sreyk #include <net80211/ieee80211_radiotap.h> 3112a08440Sreyk 3277734011Sstsp #include <ctype.h> 3312a08440Sreyk #include <pcap.h> 3412a08440Sreyk #include <stdio.h> 3512a08440Sreyk #include <string.h> 3612a08440Sreyk 3712a08440Sreyk #include "addrtoname.h" 3812a08440Sreyk #include "interface.h" 3912a08440Sreyk 4012a08440Sreyk const char *ieee80211_mgt_subtype_name[] = { 4112a08440Sreyk "association request", 4212a08440Sreyk "association response", 4312a08440Sreyk "reassociation request", 4412a08440Sreyk "reassociation response", 4512a08440Sreyk "probe request", 4612a08440Sreyk "probe response", 4712a08440Sreyk "reserved#6", 4812a08440Sreyk "reserved#7", 4912a08440Sreyk "beacon", 5012a08440Sreyk "atim", 5112a08440Sreyk "disassociation", 5212a08440Sreyk "authentication", 5312a08440Sreyk "deauthentication", 54ab7e388eSclaudio "action", 55ab7e388eSclaudio "action noack", 5612a08440Sreyk "reserved#15" 5712a08440Sreyk }; 5812a08440Sreyk 59ab7e388eSclaudio const char *ieee80211_data_subtype_name[] = { 60ab7e388eSclaudio "data", 61ab7e388eSclaudio "data cf ack", 62ab7e388eSclaudio "data cf poll", 63ab7e388eSclaudio "data cf poll ack", 64ab7e388eSclaudio "no-data", 65ab7e388eSclaudio "no-data cf poll", 66ab7e388eSclaudio "no-data cf ack", 67ab7e388eSclaudio "no-data cf poll ack", 68ab7e388eSclaudio "QoS data", 69ab7e388eSclaudio "QoS data cf ack", 70ab7e388eSclaudio "QoS data cf poll", 71ab7e388eSclaudio "QoS data cf poll ack", 72ab7e388eSclaudio "QoS no-data", 73ab7e388eSclaudio "QoS no-data cf poll", 74ab7e388eSclaudio "QoS no-data cf ack", 75ab7e388eSclaudio "QoS no-data cf poll ack" 76ab7e388eSclaudio }; 77ab7e388eSclaudio 7812a08440Sreyk int ieee80211_hdr(struct ieee80211_frame *); 79b72abdefSreyk int ieee80211_data(struct ieee80211_frame *, u_int); 8012a08440Sreyk void ieee80211_print_element(u_int8_t *, u_int); 8112a08440Sreyk void ieee80211_print_essid(u_int8_t *, u_int); 8277734011Sstsp void ieee80211_print_country(u_int8_t *, u_int); 831e3bf20aSstsp void ieee80211_print_htcaps(u_int8_t *, u_int); 8436fa064cSstsp void ieee80211_print_htop(u_int8_t *, u_int); 8512a08440Sreyk int ieee80211_elements(struct ieee80211_frame *, u_int); 8612a08440Sreyk int ieee80211_frame(struct ieee80211_frame *, u_int); 8712a08440Sreyk int ieee80211_print(struct ieee80211_frame *, u_int); 8812a08440Sreyk u_int ieee80211_any2ieee(u_int, u_int); 8918786664Sclaudio void ieee80211_reason(u_int16_t); 9012a08440Sreyk 9112a08440Sreyk #define TCARR(a) TCHECK2(*a, sizeof(a)) 9212a08440Sreyk 93c79cf170Sreyk int ieee80211_encap = 0; 94c79cf170Sreyk 9512a08440Sreyk int 9612a08440Sreyk ieee80211_hdr(struct ieee80211_frame *wh) 9712a08440Sreyk { 9812a08440Sreyk struct ieee80211_frame_addr4 *w4; 9912a08440Sreyk 10012a08440Sreyk switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) { 10112a08440Sreyk case IEEE80211_FC1_DIR_NODS: 10212a08440Sreyk TCARR(wh->i_addr2); 10312a08440Sreyk printf("%s", etheraddr_string(wh->i_addr2)); 10412a08440Sreyk TCARR(wh->i_addr1); 10512a08440Sreyk printf(" > %s", etheraddr_string(wh->i_addr1)); 10612a08440Sreyk TCARR(wh->i_addr3); 10712a08440Sreyk printf(", bssid %s", etheraddr_string(wh->i_addr3)); 10812a08440Sreyk break; 10912a08440Sreyk case IEEE80211_FC1_DIR_TODS: 11012a08440Sreyk TCARR(wh->i_addr2); 11112a08440Sreyk printf("%s", etheraddr_string(wh->i_addr2)); 11212a08440Sreyk TCARR(wh->i_addr3); 11312a08440Sreyk printf(" > %s", etheraddr_string(wh->i_addr3)); 11412a08440Sreyk TCARR(wh->i_addr1); 11512a08440Sreyk printf(", bssid %s, > DS", etheraddr_string(wh->i_addr1)); 11612a08440Sreyk break; 11712a08440Sreyk case IEEE80211_FC1_DIR_FROMDS: 11812a08440Sreyk TCARR(wh->i_addr3); 11912a08440Sreyk printf("%s", etheraddr_string(wh->i_addr3)); 12012a08440Sreyk TCARR(wh->i_addr1); 12112a08440Sreyk printf(" > %s", etheraddr_string(wh->i_addr1)); 12212a08440Sreyk TCARR(wh->i_addr2); 12312a08440Sreyk printf(", bssid %s, DS >", etheraddr_string(wh->i_addr2)); 12412a08440Sreyk break; 12512a08440Sreyk case IEEE80211_FC1_DIR_DSTODS: 12612a08440Sreyk w4 = (struct ieee80211_frame_addr4 *) wh; 12712a08440Sreyk TCARR(w4->i_addr4); 12812a08440Sreyk printf("%s", etheraddr_string(w4->i_addr4)); 12912a08440Sreyk TCARR(w4->i_addr3); 13012a08440Sreyk printf(" > %s", etheraddr_string(w4->i_addr3)); 13112a08440Sreyk TCARR(w4->i_addr2); 13212a08440Sreyk printf(", bssid %s", etheraddr_string(w4->i_addr2)); 13312a08440Sreyk TCARR(w4->i_addr1); 13412a08440Sreyk printf(" > %s, DS > DS", etheraddr_string(w4->i_addr1)); 13512a08440Sreyk break; 13612a08440Sreyk } 13712a08440Sreyk if (vflag) { 138cce1ba42Sclaudio u_int16_t seq; 13912a08440Sreyk TCARR(wh->i_seq); 140cce1ba42Sclaudio bcopy(wh->i_seq, &seq, sizeof(u_int16_t)); 141cce1ba42Sclaudio printf(" (seq %u): ", letoh16(seq)); 14212a08440Sreyk } else 14312a08440Sreyk printf(": "); 14412a08440Sreyk 14512a08440Sreyk return (0); 14612a08440Sreyk 14712a08440Sreyk trunc: 14812a08440Sreyk /* Truncated elements in frame */ 14912a08440Sreyk return (1); 15012a08440Sreyk } 15112a08440Sreyk 152b72abdefSreyk int 153b72abdefSreyk ieee80211_data(struct ieee80211_frame *wh, u_int len) 154b72abdefSreyk { 155b72abdefSreyk u_int8_t *t = (u_int8_t *)wh; 156d49cb46eScanacar struct ieee80211_frame_addr4 *w4; 157b72abdefSreyk u_int datalen; 15893cbfc44Sstsp int data = !(wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_NODATA); 159ab7e388eSclaudio u_char *esrc = NULL, *edst = NULL; 160b72abdefSreyk 161d49cb46eScanacar TCHECK(*wh); 162b72abdefSreyk t += sizeof(struct ieee80211_frame); 163b72abdefSreyk datalen = len - sizeof(struct ieee80211_frame); 164b72abdefSreyk 165b72abdefSreyk switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) { 166b72abdefSreyk case IEEE80211_FC1_DIR_TODS: 167ab7e388eSclaudio esrc = wh->i_addr2; 168ab7e388eSclaudio edst = wh->i_addr3; 169b72abdefSreyk break; 170b72abdefSreyk case IEEE80211_FC1_DIR_FROMDS: 171ab7e388eSclaudio esrc = wh->i_addr3; 172ab7e388eSclaudio edst = wh->i_addr1; 173b72abdefSreyk break; 174b72abdefSreyk case IEEE80211_FC1_DIR_NODS: 175ab7e388eSclaudio esrc = wh->i_addr2; 176ab7e388eSclaudio edst = wh->i_addr1; 177d49cb46eScanacar break; 178b72abdefSreyk case IEEE80211_FC1_DIR_DSTODS: 179d49cb46eScanacar w4 = (struct ieee80211_frame_addr4 *) wh; 180d49cb46eScanacar TCHECK(*w4); 181d49cb46eScanacar t = (u_int8_t *) (w4 + 1); 182d49cb46eScanacar datalen = len - sizeof(*w4); 183ab7e388eSclaudio esrc = w4->i_addr4; 184ab7e388eSclaudio edst = w4->i_addr3; 185b72abdefSreyk break; 186b72abdefSreyk } 187b72abdefSreyk 188ab7e388eSclaudio if (data && esrc) 189ab7e388eSclaudio llc_print(t, datalen, datalen, esrc, edst); 190ab7e388eSclaudio else if (eflag && esrc) 191ab7e388eSclaudio printf("%s > %s", 192ab7e388eSclaudio etheraddr_string(esrc), etheraddr_string(edst)); 193ab7e388eSclaudio 194b72abdefSreyk return (0); 195b72abdefSreyk 196b72abdefSreyk trunc: 197b72abdefSreyk /* Truncated elements in frame */ 198b72abdefSreyk return (1); 199b72abdefSreyk } 200b72abdefSreyk 20112a08440Sreyk /* Caller checks len */ 20212a08440Sreyk void 20312a08440Sreyk ieee80211_print_element(u_int8_t *data, u_int len) 20412a08440Sreyk { 20512a08440Sreyk u_int8_t *p; 2069cbdb746Sderaadt int i; 20712a08440Sreyk 20812a08440Sreyk printf(" 0x"); 2099cbdb746Sderaadt for (i = 0, p = data; i < len; i++, p++) 21012a08440Sreyk printf("%02x", *p); 21112a08440Sreyk } 21212a08440Sreyk 21312a08440Sreyk /* Caller checks len */ 21412a08440Sreyk void 21512a08440Sreyk ieee80211_print_essid(u_int8_t *essid, u_int len) 21612a08440Sreyk { 21712a08440Sreyk u_int8_t *p; 2189cbdb746Sderaadt int i; 21912a08440Sreyk 22012a08440Sreyk if (len > IEEE80211_NWID_LEN) 22112a08440Sreyk len = IEEE80211_NWID_LEN; 22212a08440Sreyk 22312a08440Sreyk /* determine printable or not */ 22412a08440Sreyk for (i = 0, p = essid; i < len; i++, p++) { 22512a08440Sreyk if (*p < ' ' || *p > 0x7e) 22612a08440Sreyk break; 22712a08440Sreyk } 22812a08440Sreyk if (i == len) { 22912a08440Sreyk printf(" ("); 23012a08440Sreyk for (i = 0, p = essid; i < len; i++, p++) 23112a08440Sreyk putchar(*p); 23212a08440Sreyk putchar(')'); 2339cbdb746Sderaadt } else 23412a08440Sreyk ieee80211_print_element(essid, len); 23512a08440Sreyk } 23612a08440Sreyk 2371e3bf20aSstsp /* Caller checks len */ 2381e3bf20aSstsp void 23977734011Sstsp ieee80211_print_country(u_int8_t *data, u_int len) 24077734011Sstsp { 24177734011Sstsp u_int8_t first_chan, nchan, maxpower; 24277734011Sstsp 24377734011Sstsp if (len < 6) 24477734011Sstsp return; 24577734011Sstsp 24677734011Sstsp /* country string */ 24777734011Sstsp printf((isprint(data[0]) ? " '%c" : " '\\%03o"), data[0]); 24877734011Sstsp printf((isprint(data[1]) ? "%c" : "\\%03o"), data[1]); 24977734011Sstsp printf((isprint(data[2]) ? "%c'" : "\\%03o'"), data[2]); 25077734011Sstsp 25177734011Sstsp len -= 3; 25277734011Sstsp data += 3; 25377734011Sstsp 25477734011Sstsp /* channels and corresponding TX power limits */ 25577734011Sstsp while (len > 3) { 25677734011Sstsp /* no pretty-printing for nonsensical zero values, 25777734011Sstsp * nor for operating extension IDs (values >= 201) */ 25877734011Sstsp if (data[0] == 0 || data[1] == 0 || 25977734011Sstsp data[0] >= 201 || data[1] >= 201) { 26077734011Sstsp printf(", %d %d %d", data[0], data[1], data[2]); 26177734011Sstsp continue; 26277734011Sstsp } 26377734011Sstsp 26477734011Sstsp first_chan = data[0]; 26577734011Sstsp nchan = data[1]; 26677734011Sstsp maxpower = data[2]; 26777734011Sstsp 26877734011Sstsp printf(", channel%s %d", nchan == 1 ? "" : "s", first_chan); 26977734011Sstsp if (nchan > 1) 27077734011Sstsp printf("-%d", first_chan + nchan - 1); 27177734011Sstsp printf(" limit %ddB", maxpower); 27277734011Sstsp 27377734011Sstsp len -= 3; 27477734011Sstsp data += 3; 27577734011Sstsp } 27677734011Sstsp } 27777734011Sstsp 27877734011Sstsp /* Caller checks len */ 27977734011Sstsp void 2801e3bf20aSstsp ieee80211_print_htcaps(u_int8_t *data, u_int len) 2811e3bf20aSstsp { 282537e7cd0Sstsp uint16_t htcaps, rxrate; 2831e3bf20aSstsp int smps, rxstbc; 284537e7cd0Sstsp uint8_t ampdu, txmcs; 285537e7cd0Sstsp int i; 286537e7cd0Sstsp uint8_t *rxmcs; 2871e3bf20aSstsp 2881e3bf20aSstsp if (len < 2) { 2891e3bf20aSstsp ieee80211_print_element(data, len); 2901e3bf20aSstsp return; 2911e3bf20aSstsp } 2921e3bf20aSstsp 2931e3bf20aSstsp htcaps = (data[0]) | (data[1] << 8); 2941e3bf20aSstsp printf("=<"); 2951e3bf20aSstsp 2961e3bf20aSstsp /* channel width */ 2971e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_CBW20_40) 2981e3bf20aSstsp printf("20/40MHz"); 2991e3bf20aSstsp else 3001e3bf20aSstsp printf("20MHz"); 3011e3bf20aSstsp 3021e3bf20aSstsp /* LDPC coding */ 3031e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_LDPC) 3041e3bf20aSstsp printf(",LDPC"); 3051e3bf20aSstsp 3061e3bf20aSstsp /* spatial multiplexing power save mode */ 3071e3bf20aSstsp smps = (htcaps & IEEE80211_HTCAP_SMPS_MASK) 3081e3bf20aSstsp >> IEEE80211_HTCAP_SMPS_SHIFT; 3091e3bf20aSstsp if (smps == 0) 3101e3bf20aSstsp printf(",SMPS static"); 3111e3bf20aSstsp else if (smps == 1) 3121e3bf20aSstsp printf(",SMPS dynamic"); 3131e3bf20aSstsp 3141e3bf20aSstsp /* 11n greenfield mode */ 3151e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_GF) 3161e3bf20aSstsp printf(",greenfield"); 3171e3bf20aSstsp 3181e3bf20aSstsp /* short guard interval */ 3191e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_SGI20) 3201e3bf20aSstsp printf(",SGI@20MHz"); 3211e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_SGI40) 3221e3bf20aSstsp printf(",SGI@40MHz"); 3231e3bf20aSstsp 3241e3bf20aSstsp /* space-time block coding */ 3251e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_TXSTBC) 3261e3bf20aSstsp printf(",TXSTBC"); 3271e3bf20aSstsp rxstbc = (htcaps & IEEE80211_HTCAP_RXSTBC_MASK) 3281e3bf20aSstsp >> IEEE80211_HTCAP_RXSTBC_SHIFT; 3291e3bf20aSstsp if (rxstbc > 0 && rxstbc < 4) 3301e3bf20aSstsp printf(",RXSTBC %d stream", rxstbc); 3311e3bf20aSstsp 3321e3bf20aSstsp /* delayed block-ack */ 3331e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_DELAYEDBA) 3341e3bf20aSstsp printf(",delayed BA"); 3351e3bf20aSstsp 3361e3bf20aSstsp /* max A-MSDU length */ 3371e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_AMSDU7935) 3381e3bf20aSstsp printf(",A-MSDU 7935"); 3391e3bf20aSstsp else 3401e3bf20aSstsp printf(",A-MSDU 3839"); 3411e3bf20aSstsp 3421e3bf20aSstsp /* DSSS/CCK in 40MHz mode */ 3431e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_DSSSCCK40) 3441e3bf20aSstsp printf(",DSSS/CCK@40MHz"); 3451e3bf20aSstsp 3461e3bf20aSstsp /* 40MHz intolerant */ 3471e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_40INTOLERANT) 3481e3bf20aSstsp printf(",40MHz intolerant"); 3491e3bf20aSstsp 3501e3bf20aSstsp /* L-SIG TXOP protection */ 3511e3bf20aSstsp if (htcaps & IEEE80211_HTCAP_LSIGTXOPPROT) 3521e3bf20aSstsp printf(",L-SIG TXOP prot"); 3531e3bf20aSstsp 354537e7cd0Sstsp if (len < 3) { 355537e7cd0Sstsp printf(">"); 356537e7cd0Sstsp return; 357537e7cd0Sstsp } 358537e7cd0Sstsp 359537e7cd0Sstsp /* A-MPDU parameters. */ 360537e7cd0Sstsp ampdu = data[2]; 361537e7cd0Sstsp 362537e7cd0Sstsp /* A-MPDU length exponent */ 363537e7cd0Sstsp if ((ampdu & IEEE80211_AMPDU_PARAM_LE) >= 0 && 364537e7cd0Sstsp (ampdu & IEEE80211_AMPDU_PARAM_LE) <= 3) 365537e7cd0Sstsp printf(",A-MPDU max %d", 366*0b19ae84Sstsp (1 << (13 + (ampdu & IEEE80211_AMPDU_PARAM_LE))) - 1); 367537e7cd0Sstsp 368537e7cd0Sstsp /* A-MPDU start spacing */ 369537e7cd0Sstsp if (ampdu & IEEE80211_AMPDU_PARAM_SS) { 370537e7cd0Sstsp float ss; 371537e7cd0Sstsp 372537e7cd0Sstsp switch ((ampdu & IEEE80211_AMPDU_PARAM_SS) >> 2) { 373537e7cd0Sstsp case 1: 374537e7cd0Sstsp ss = 0.25; 375537e7cd0Sstsp break; 376537e7cd0Sstsp case 2: 377537e7cd0Sstsp ss = 0.5; 378537e7cd0Sstsp break; 379537e7cd0Sstsp case 3: 380537e7cd0Sstsp ss = 1; 381537e7cd0Sstsp break; 382537e7cd0Sstsp case 4: 383537e7cd0Sstsp ss = 2; 384537e7cd0Sstsp break; 385537e7cd0Sstsp case 5: 386537e7cd0Sstsp ss = 4; 387537e7cd0Sstsp break; 388537e7cd0Sstsp case 6: 389537e7cd0Sstsp ss = 8; 390537e7cd0Sstsp break; 391537e7cd0Sstsp case 7: 392537e7cd0Sstsp ss = 16; 393537e7cd0Sstsp break; 394537e7cd0Sstsp default: 395537e7cd0Sstsp ss = 0; 396537e7cd0Sstsp break; 397537e7cd0Sstsp } 398537e7cd0Sstsp if (ss != 0) 399537e7cd0Sstsp printf(",A-MPDU spacing %.2fus", ss); 400537e7cd0Sstsp } 401537e7cd0Sstsp 402537e7cd0Sstsp if (len < 21) { 403537e7cd0Sstsp printf(">"); 404537e7cd0Sstsp return; 405537e7cd0Sstsp } 406537e7cd0Sstsp 407537e7cd0Sstsp /* Supported MCS set. */ 408537e7cd0Sstsp printf(",RxMCS 0x"); 409537e7cd0Sstsp rxmcs = &data[3]; 410537e7cd0Sstsp for (i = 0; i < 10; i++) 411537e7cd0Sstsp printf("%02x", rxmcs[i]); 412537e7cd0Sstsp 413537e7cd0Sstsp /* Max MCS Rx rate (a value of 0 means "not specified"). */ 414537e7cd0Sstsp rxrate = ((data[13] | (data[14]) << 8) & IEEE80211_MCS_RX_RATE_HIGH); 415537e7cd0Sstsp if (rxrate) 416537e7cd0Sstsp printf(",RxMaxrate %huMb/s", rxrate); 417537e7cd0Sstsp 418537e7cd0Sstsp /* Tx MCS Set */ 419537e7cd0Sstsp txmcs = data[15]; 420537e7cd0Sstsp if (txmcs & IEEE80211_TX_MCS_SET_DEFINED) { 421537e7cd0Sstsp if (txmcs & IEEE80211_TX_RX_MCS_NOT_EQUAL) { 422537e7cd0Sstsp /* Number of spatial Tx streams. */ 423537e7cd0Sstsp printf(",%d Tx streams", 424537e7cd0Sstsp 1 + ((txmcs & IEEE80211_TX_SPATIAL_STREAMS) >> 2)); 425537e7cd0Sstsp /* Transmit unequal modulation supported. */ 426537e7cd0Sstsp if (txmcs & IEEE80211_TX_UNEQUAL_MODULATION) 427537e7cd0Sstsp printf(",UEQM"); 428537e7cd0Sstsp } 429537e7cd0Sstsp } 430537e7cd0Sstsp 4311e3bf20aSstsp printf(">"); 4321e3bf20aSstsp } 4331e3bf20aSstsp 43436fa064cSstsp /* Caller checks len */ 43536fa064cSstsp void 43636fa064cSstsp ieee80211_print_htop(u_int8_t *data, u_int len) 43736fa064cSstsp { 43836fa064cSstsp u_int8_t primary_chan; 43936fa064cSstsp u_int8_t htopinfo[5]; 44036fa064cSstsp u_int8_t basic_mcs[16]; 44136fa064cSstsp int sco, prot, i; 44236fa064cSstsp 44336fa064cSstsp if (len < sizeof(primary_chan) + sizeof(htopinfo) + sizeof(basic_mcs)) { 44436fa064cSstsp ieee80211_print_element(data, len); 44536fa064cSstsp return; 44636fa064cSstsp } 44736fa064cSstsp 44836fa064cSstsp htopinfo[0] = data[1]; 44936fa064cSstsp 45036fa064cSstsp printf("=<"); 45136fa064cSstsp 45236fa064cSstsp /* primary channel and secondary channel offset */ 45336fa064cSstsp primary_chan = data[0]; 45436fa064cSstsp sco = ((htopinfo[0] & IEEE80211_HTOP0_SCO_MASK) 45536fa064cSstsp >> IEEE80211_HTOP0_SCO_SHIFT); 456b144e175Sstsp if (sco == 0) /* no secondary channel */ 45736fa064cSstsp printf("20MHz chan %d", primary_chan); 458b144e175Sstsp else if (sco == 1) { /* secondary channel above */ 459b144e175Sstsp if (primary_chan >= 1 && primary_chan <= 13) /* 2GHz */ 460b144e175Sstsp printf("40MHz chan %d:%d", primary_chan, 461b144e175Sstsp primary_chan + 1); 462b144e175Sstsp else if (primary_chan >= 34) /* 5GHz */ 463b144e175Sstsp printf("40MHz chan %d:%d", primary_chan, 464b144e175Sstsp primary_chan + 4); 46536fa064cSstsp else 466b144e175Sstsp printf("[invalid 40MHz chan %d+]", primary_chan); 467b144e175Sstsp } else if (sco == 3) { /* secondary channel below */ 468b144e175Sstsp if (primary_chan >= 2 && primary_chan <= 14) /* 2GHz */ 469b144e175Sstsp printf("40MHz chan %d:%d", primary_chan, 470b144e175Sstsp primary_chan - 1); 471b144e175Sstsp else if (primary_chan >= 40) /* 5GHz */ 472b144e175Sstsp printf("40MHz chan %d:%d", primary_chan, 473b144e175Sstsp primary_chan - 4); 474b144e175Sstsp else 475b144e175Sstsp printf("[invalid 40MHz chan %d-]", primary_chan); 476b144e175Sstsp } else 47736fa064cSstsp printf("chan %d [invalid secondary channel offset %d]", 47836fa064cSstsp primary_chan, sco); 47936fa064cSstsp 48036fa064cSstsp /* STA channel width */ 48136fa064cSstsp if ((htopinfo[0] & IEEE80211_HTOP0_CHW) == 0) 48236fa064cSstsp printf(",STA chanw 20MHz"); 48336fa064cSstsp 48436fa064cSstsp /* reduced interframe space (RIFS) permitted */ 48536fa064cSstsp if (htopinfo[0] & IEEE80211_HTOP0_RIFS) 48636fa064cSstsp printf(",RIFS"); 48736fa064cSstsp 48836fa064cSstsp htopinfo[1] = data[2]; 48936fa064cSstsp 49036fa064cSstsp /* protection requirements for HT transmissions */ 49136fa064cSstsp prot = ((htopinfo[1] & IEEE80211_HTOP1_PROT_MASK) 49236fa064cSstsp >> IEEE80211_HTOP1_PROT_SHIFT); 49336fa064cSstsp if (prot == 1) 49436fa064cSstsp printf(",protect non-member"); 49536fa064cSstsp else if (prot == 2) 49636fa064cSstsp printf(",protect 20MHz"); 49736fa064cSstsp else if (prot == 3) 49836fa064cSstsp printf(",protect non-HT"); 49936fa064cSstsp 50036fa064cSstsp /* non-greenfield STA present */ 50136fa064cSstsp if (htopinfo[1] & IEEE80211_HTOP1_NONGF_STA) 50236fa064cSstsp printf(",non-greenfield STA"); 50336fa064cSstsp 50436fa064cSstsp /* non-HT STA present */ 50536fa064cSstsp if (htopinfo[1] & IEEE80211_HTOP1_OBSS_NONHT_STA) 50636fa064cSstsp printf(",non-HT STA"); 50736fa064cSstsp 50836fa064cSstsp htopinfo[3] = data[4]; 50936fa064cSstsp 51036fa064cSstsp /* dual-beacon */ 51136fa064cSstsp if (htopinfo[3] & IEEE80211_HTOP2_DUALBEACON) 51236fa064cSstsp printf(",dualbeacon"); 51336fa064cSstsp 51436fa064cSstsp /* dual CTS protection */ 51536fa064cSstsp if (htopinfo[3] & IEEE80211_HTOP2_DUALCTSPROT) 51636fa064cSstsp printf(",dualctsprot"); 51736fa064cSstsp 51836fa064cSstsp htopinfo[4] = data[5]; 51936fa064cSstsp 52036fa064cSstsp /* space-time block coding (STBC) beacon */ 52158089030Sstsp if ((htopinfo[4] << 8) & IEEE80211_HTOP2_STBCBEACON) 52236fa064cSstsp printf(",STBC beacon"); 52336fa064cSstsp 52436fa064cSstsp /* L-SIG (non-HT signal field) TX opportunity (TXOP) protection */ 52536fa064cSstsp if ((htopinfo[4] << 8) & IEEE80211_HTOP2_LSIGTXOP) 52636fa064cSstsp printf(",lsigtxprot"); 52736fa064cSstsp 52836fa064cSstsp /* phased-coexistence operation (PCO) active */ 52936fa064cSstsp if ((htopinfo[4] << 8) & IEEE80211_HTOP2_PCOACTIVE) { 53036fa064cSstsp /* PCO phase */ 53136fa064cSstsp if ((htopinfo[4] << 8) & IEEE80211_HTOP2_PCOPHASE40) 53236fa064cSstsp printf(",pco40MHz"); 53336fa064cSstsp else 53436fa064cSstsp printf(",pco20MHz"); 53536fa064cSstsp } 53636fa064cSstsp 53736fa064cSstsp /* basic MCS set */ 53836fa064cSstsp memcpy(basic_mcs, &data[6], sizeof(basic_mcs)); 53936fa064cSstsp printf(",basic MCS set 0x"); 54036fa064cSstsp for (i = 0; i < sizeof(basic_mcs) / sizeof(basic_mcs[0]); i++) 54136fa064cSstsp printf("%x", basic_mcs[i]); 54236fa064cSstsp 54336fa064cSstsp printf(">"); 54436fa064cSstsp } 54536fa064cSstsp 54612a08440Sreyk int 54712a08440Sreyk ieee80211_elements(struct ieee80211_frame *wh, u_int flen) 54812a08440Sreyk { 54912a08440Sreyk u_int8_t *buf, *frm; 550cce1ba42Sclaudio u_int64_t tstamp; 551cce1ba42Sclaudio u_int16_t bintval, capinfo; 55212a08440Sreyk int i; 55312a08440Sreyk 55412a08440Sreyk buf = (u_int8_t *)wh; 55512a08440Sreyk frm = (u_int8_t *)&wh[1]; 55612a08440Sreyk 5570a05c5bfSreyk TCHECK2(*frm, 8); 558cce1ba42Sclaudio bcopy(frm, &tstamp, sizeof(u_int64_t)); 55912a08440Sreyk frm += 8; 56012a08440Sreyk 56112a08440Sreyk if (vflag > 1) 562cce1ba42Sclaudio printf(", timestamp %llu", letoh64(tstamp)); 56312a08440Sreyk 5640a05c5bfSreyk TCHECK2(*frm, 2); 565cce1ba42Sclaudio bcopy(frm, &bintval, sizeof(u_int16_t)); 56612a08440Sreyk frm += 2; 56712a08440Sreyk 56812a08440Sreyk if (vflag > 1) 569cce1ba42Sclaudio printf(", interval %u", letoh16(bintval)); 57012a08440Sreyk 5710a05c5bfSreyk TCHECK2(*frm, 2); 572cce1ba42Sclaudio bcopy(frm, &capinfo, sizeof(u_int16_t)); 57312a08440Sreyk frm += 2; 57412a08440Sreyk 57512a08440Sreyk if (vflag) 576cce1ba42Sclaudio printb(", caps", letoh16(capinfo), 57712a08440Sreyk IEEE80211_CAPINFO_BITS); 57812a08440Sreyk 57912a08440Sreyk while (TTEST2(*frm, 2)) { 58012a08440Sreyk u_int len = frm[1]; 58112a08440Sreyk u_int8_t *data = frm + 2; 58212a08440Sreyk 58312a08440Sreyk if (!TTEST2(*data, len)) 58412a08440Sreyk break; 58512a08440Sreyk 58612a08440Sreyk #define ELEM_CHECK(l) if (len != l) break 58712a08440Sreyk 58812a08440Sreyk switch (*frm) { 58912a08440Sreyk case IEEE80211_ELEMID_SSID: 59012a08440Sreyk printf(", ssid"); 59112a08440Sreyk ieee80211_print_essid(data, len); 59212a08440Sreyk break; 59312a08440Sreyk case IEEE80211_ELEMID_RATES: 59412a08440Sreyk printf(", rates"); 59512a08440Sreyk if (!vflag) 59612a08440Sreyk break; 59712a08440Sreyk for (i = len; i > 0; i--, data++) 59812a08440Sreyk printf(" %uM", 59912a08440Sreyk (data[0] & IEEE80211_RATE_VAL) / 2); 60012a08440Sreyk break; 60112a08440Sreyk case IEEE80211_ELEMID_FHPARMS: 60212a08440Sreyk ELEM_CHECK(5); 60312a08440Sreyk printf(", fh (dwell %u, chan %u, index %u)", 60412a08440Sreyk (data[1] << 8) | data[0], 60512a08440Sreyk (data[2] - 1) * 80 + data[3], /* FH_CHAN */ 60612a08440Sreyk data[4]); 60712a08440Sreyk break; 60812a08440Sreyk case IEEE80211_ELEMID_DSPARMS: 60912a08440Sreyk ELEM_CHECK(1); 61012a08440Sreyk printf(", ds"); 61112a08440Sreyk if (vflag) 61212a08440Sreyk printf(" (chan %u)", data[0]); 61312a08440Sreyk break; 61412a08440Sreyk case IEEE80211_ELEMID_CFPARMS: 61512a08440Sreyk printf(", cf"); 61612a08440Sreyk if (vflag) 61712a08440Sreyk ieee80211_print_element(data, len); 61812a08440Sreyk break; 61912a08440Sreyk case IEEE80211_ELEMID_TIM: 62012a08440Sreyk printf(", tim"); 62112a08440Sreyk if (vflag) 62212a08440Sreyk ieee80211_print_element(data, len); 62312a08440Sreyk break; 62412a08440Sreyk case IEEE80211_ELEMID_IBSSPARMS: 62512a08440Sreyk printf(", ibss"); 62612a08440Sreyk if (vflag) 62712a08440Sreyk ieee80211_print_element(data, len); 62812a08440Sreyk break; 62912a08440Sreyk case IEEE80211_ELEMID_COUNTRY: 63012a08440Sreyk printf(", country"); 63177734011Sstsp ieee80211_print_country(data, len); 63212a08440Sreyk break; 63312a08440Sreyk case IEEE80211_ELEMID_CHALLENGE: 63412a08440Sreyk printf(", challenge"); 63512a08440Sreyk if (vflag) 63612a08440Sreyk ieee80211_print_element(data, len); 63712a08440Sreyk break; 638738acb58Ssthen case IEEE80211_ELEMID_CSA: 639958b7e45Ssthen ELEM_CHECK(3); 640738acb58Ssthen printf(", csa (chan %u count %u%s)", data[1], data[2], 641738acb58Ssthen (data[0] == 1) ? " noTX" : ""); 642738acb58Ssthen break; 64312a08440Sreyk case IEEE80211_ELEMID_ERP: 64412a08440Sreyk printf(", erp"); 64512a08440Sreyk if (vflag) 64612a08440Sreyk ieee80211_print_element(data, len); 64712a08440Sreyk break; 64812a08440Sreyk case IEEE80211_ELEMID_RSN: 64912a08440Sreyk printf(", rsn"); 65012a08440Sreyk if (vflag) 65112a08440Sreyk ieee80211_print_element(data, len); 65212a08440Sreyk break; 65312a08440Sreyk case IEEE80211_ELEMID_XRATES: 65412a08440Sreyk printf(", xrates"); 65512a08440Sreyk if (!vflag) 65612a08440Sreyk break; 65712a08440Sreyk for (i = len; i > 0; i--, data++) 65812a08440Sreyk printf(" %uM", 65912a08440Sreyk (data[0] & IEEE80211_RATE_VAL) / 2); 66012a08440Sreyk break; 6618138faddSstsp case IEEE80211_ELEMID_TPC_REPORT: 6628138faddSstsp printf(", tpcreport"); 66312a08440Sreyk if (vflag) 66412a08440Sreyk ieee80211_print_element(data, len); 66512a08440Sreyk break; 6668138faddSstsp case IEEE80211_ELEMID_TPC_REQUEST: 6678138faddSstsp printf(", tpcrequest"); 66812a08440Sreyk if (vflag) 66912a08440Sreyk ieee80211_print_element(data, len); 67012a08440Sreyk break; 6711e3bf20aSstsp case IEEE80211_ELEMID_HTCAPS: 6721e3bf20aSstsp printf(", htcaps"); 6731e3bf20aSstsp if (vflag) 6741e3bf20aSstsp ieee80211_print_htcaps(data, len); 6751e3bf20aSstsp break; 67636fa064cSstsp case IEEE80211_ELEMID_HTOP: 67736fa064cSstsp printf(", htop"); 67836fa064cSstsp if (vflag) 67936fa064cSstsp ieee80211_print_htop(data, len); 68036fa064cSstsp break; 68177734011Sstsp case IEEE80211_ELEMID_POWER_CONSTRAINT: 68277734011Sstsp ELEM_CHECK(1); 68377734011Sstsp printf(", power constraint %udB", data[0]); 68477734011Sstsp break; 6858f0a8537Sstsp case IEEE80211_ELEMID_QBSS_LOAD: 6868f0a8537Sstsp ELEM_CHECK(5); 6878f0a8537Sstsp printf(", %u stations, %d%% utilization, " 6888f0a8537Sstsp "admission capacity %uus/s", 6898f0a8537Sstsp (data[0] | data[1] << 8), 6908f0a8537Sstsp (data[2] * 100) / 255, 6918f0a8537Sstsp (data[3] | data[4] << 8) / 32); 6928f0a8537Sstsp break; 69312a08440Sreyk case IEEE80211_ELEMID_VENDOR: 69412a08440Sreyk printf(", vendor"); 69512a08440Sreyk if (vflag) 69612a08440Sreyk ieee80211_print_element(data, len); 69712a08440Sreyk break; 69812a08440Sreyk default: 69912a08440Sreyk printf(", %u:%u", (u_int) *frm, len); 70012a08440Sreyk if (vflag) 70112a08440Sreyk ieee80211_print_element(data, len); 70212a08440Sreyk break; 70312a08440Sreyk } 70412a08440Sreyk frm += len + 2; 70512a08440Sreyk 70612a08440Sreyk if (frm >= snapend) 70712a08440Sreyk break; 70812a08440Sreyk } 70912a08440Sreyk 71012a08440Sreyk #undef ELEM_CHECK 71112a08440Sreyk 71212a08440Sreyk return (0); 71312a08440Sreyk 71412a08440Sreyk trunc: 71512a08440Sreyk /* Truncated elements in frame */ 71612a08440Sreyk return (1); 71712a08440Sreyk } 71812a08440Sreyk 71912a08440Sreyk int 72012a08440Sreyk ieee80211_frame(struct ieee80211_frame *wh, u_int len) 72112a08440Sreyk { 72212a08440Sreyk u_int8_t subtype, type, *frm; 72312a08440Sreyk 72412a08440Sreyk TCARR(wh->i_fc); 72512a08440Sreyk 72612a08440Sreyk type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 72712a08440Sreyk subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 72812a08440Sreyk 72912a08440Sreyk frm = (u_int8_t *)&wh[1]; 73012a08440Sreyk 731ab7e388eSclaudio if (vflag) 732ab7e388eSclaudio printb(" flags", wh->i_fc[1], IEEE80211_FC1_BITS); 733ab7e388eSclaudio 73412a08440Sreyk switch (type) { 73512a08440Sreyk case IEEE80211_FC0_TYPE_DATA: 736ab7e388eSclaudio printf(": %s: ", ieee80211_data_subtype_name[ 737ab7e388eSclaudio subtype >> IEEE80211_FC0_SUBTYPE_SHIFT]); 738b72abdefSreyk ieee80211_data(wh, len); 73912a08440Sreyk break; 74012a08440Sreyk case IEEE80211_FC0_TYPE_MGT: 74112a08440Sreyk printf(": %s", ieee80211_mgt_subtype_name[ 74212a08440Sreyk subtype >> IEEE80211_FC0_SUBTYPE_SHIFT]); 74312a08440Sreyk switch (subtype) { 74412a08440Sreyk case IEEE80211_FC0_SUBTYPE_BEACON: 74512a08440Sreyk case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 74612a08440Sreyk if (ieee80211_elements(wh, len) != 0) 74712a08440Sreyk goto trunc; 74812a08440Sreyk break; 74912a08440Sreyk case IEEE80211_FC0_SUBTYPE_AUTH: 75012a08440Sreyk TCHECK2(*frm, 2); /* Auth Algorithm */ 75112a08440Sreyk switch (IEEE80211_AUTH_ALGORITHM(frm)) { 75212a08440Sreyk case IEEE80211_AUTH_ALG_OPEN: 75312a08440Sreyk TCHECK2(*frm, 4); /* Auth Transaction */ 75412a08440Sreyk switch (IEEE80211_AUTH_TRANSACTION(frm)) { 75512a08440Sreyk case IEEE80211_AUTH_OPEN_REQUEST: 75612a08440Sreyk printf(" request"); 75712a08440Sreyk break; 75812a08440Sreyk case IEEE80211_AUTH_OPEN_RESPONSE: 75912a08440Sreyk printf(" response"); 76012a08440Sreyk break; 76112a08440Sreyk } 76212a08440Sreyk break; 76312a08440Sreyk case IEEE80211_AUTH_ALG_SHARED: 76412a08440Sreyk TCHECK2(*frm, 4); /* Auth Transaction */ 76512a08440Sreyk switch (IEEE80211_AUTH_TRANSACTION(frm)) { 76612a08440Sreyk case IEEE80211_AUTH_SHARED_REQUEST: 76712a08440Sreyk printf(" request"); 76812a08440Sreyk break; 76912a08440Sreyk case IEEE80211_AUTH_SHARED_CHALLENGE: 77012a08440Sreyk printf(" challenge"); 77112a08440Sreyk break; 77212a08440Sreyk case IEEE80211_AUTH_SHARED_RESPONSE: 77312a08440Sreyk printf(" response"); 77412a08440Sreyk break; 77512a08440Sreyk case IEEE80211_AUTH_SHARED_PASS: 77612a08440Sreyk printf(" pass"); 77712a08440Sreyk break; 77812a08440Sreyk } 77912a08440Sreyk break; 78012a08440Sreyk case IEEE80211_AUTH_ALG_LEAP: 78112a08440Sreyk printf(" (leap)"); 78212a08440Sreyk break; 78312a08440Sreyk } 78412a08440Sreyk break; 78518786664Sclaudio case IEEE80211_FC0_SUBTYPE_DEAUTH: 78618786664Sclaudio case IEEE80211_FC0_SUBTYPE_DISASSOC: 78718786664Sclaudio TCHECK2(*frm, 2); /* Reason Code */ 78818786664Sclaudio ieee80211_reason(frm[0] | (frm[1] << 8)); 78918786664Sclaudio break; 79012a08440Sreyk } 79112a08440Sreyk break; 79212a08440Sreyk default: 79312a08440Sreyk printf(": type#%d", type); 79412a08440Sreyk break; 79512a08440Sreyk } 79612a08440Sreyk 79712a08440Sreyk return (0); 79812a08440Sreyk 79912a08440Sreyk trunc: 80012a08440Sreyk /* Truncated 802.11 frame */ 80112a08440Sreyk return (1); 80212a08440Sreyk } 80312a08440Sreyk 80412a08440Sreyk u_int 80512a08440Sreyk ieee80211_any2ieee(u_int freq, u_int flags) 80612a08440Sreyk { 80712a08440Sreyk if (flags & IEEE80211_CHAN_2GHZ) { 80812a08440Sreyk if (freq == 2484) 80912a08440Sreyk return 14; 81012a08440Sreyk if (freq < 2484) 81112a08440Sreyk return (freq - 2407) / 5; 81212a08440Sreyk else 81312a08440Sreyk return 15 + ((freq - 2512) / 20); 81412a08440Sreyk } else if (flags & IEEE80211_CHAN_5GHZ) { 81512a08440Sreyk return (freq - 5000) / 5; 81612a08440Sreyk } else { 81712a08440Sreyk /* Assume channel is already an IEEE number */ 81812a08440Sreyk return (freq); 81912a08440Sreyk } 82012a08440Sreyk } 82112a08440Sreyk 82212a08440Sreyk int 82312a08440Sreyk ieee80211_print(struct ieee80211_frame *wh, u_int len) 82412a08440Sreyk { 82512a08440Sreyk if (eflag) 82612a08440Sreyk if (ieee80211_hdr(wh)) 82712a08440Sreyk return (1); 82812a08440Sreyk 82912a08440Sreyk printf("802.11"); 83012a08440Sreyk 83112a08440Sreyk return (ieee80211_frame(wh, len)); 83212a08440Sreyk } 83312a08440Sreyk 83412a08440Sreyk void 83512a08440Sreyk ieee802_11_if_print(u_char *user, const struct pcap_pkthdr *h, 83612a08440Sreyk const u_char *p) 83712a08440Sreyk { 83812a08440Sreyk struct ieee80211_frame *wh = (struct ieee80211_frame*)p; 83912a08440Sreyk 840c79cf170Sreyk if (!ieee80211_encap) 84112a08440Sreyk ts_print(&h->ts); 84212a08440Sreyk 84312a08440Sreyk packetp = p; 84412a08440Sreyk snapend = p + h->caplen; 84512a08440Sreyk 846a0774ae9Smglocker if (ieee80211_print(wh, (u_int)h->len) != 0) 84712a08440Sreyk printf("[|802.11]"); 84812a08440Sreyk 849c79cf170Sreyk if (!ieee80211_encap) { 85012a08440Sreyk if (xflag) 851a0774ae9Smglocker default_print(p, (u_int)h->len); 85212a08440Sreyk putchar('\n'); 85312a08440Sreyk } 854c79cf170Sreyk } 85512a08440Sreyk 85612a08440Sreyk void 85712a08440Sreyk ieee802_11_radio_if_print(u_char *user, const struct pcap_pkthdr *h, 85812a08440Sreyk const u_char *p) 85912a08440Sreyk { 86012a08440Sreyk struct ieee80211_radiotap_header *rh = 86112a08440Sreyk (struct ieee80211_radiotap_header*)p; 86212a08440Sreyk struct ieee80211_frame *wh; 86312a08440Sreyk u_int8_t *t; 86412a08440Sreyk u_int32_t present; 86512a08440Sreyk u_int len, rh_len; 866cce1ba42Sclaudio u_int16_t tmp; 86712a08440Sreyk 868c79cf170Sreyk if (!ieee80211_encap) 86912a08440Sreyk ts_print(&h->ts); 87012a08440Sreyk 87112a08440Sreyk packetp = p; 87212a08440Sreyk snapend = p + h->caplen; 87312a08440Sreyk 87412a08440Sreyk TCHECK(*rh); 87512a08440Sreyk 876a0774ae9Smglocker len = h->len; 87712a08440Sreyk rh_len = letoh16(rh->it_len); 87812a08440Sreyk if (rh->it_version != 0) { 879c79cf170Sreyk printf("[?radiotap + 802.11 v:%u]", rh->it_version); 88012a08440Sreyk goto out; 88112a08440Sreyk } 88212a08440Sreyk 88312a08440Sreyk wh = (struct ieee80211_frame *)(p + rh_len); 88412a08440Sreyk if (len <= rh_len || ieee80211_print(wh, len - rh_len)) 88512a08440Sreyk printf("[|802.11]"); 88612a08440Sreyk 88712a08440Sreyk t = (u_int8_t*)p + sizeof(struct ieee80211_radiotap_header); 88812a08440Sreyk 88912a08440Sreyk if ((present = letoh32(rh->it_present)) == 0) 89012a08440Sreyk goto out; 89112a08440Sreyk 89212a08440Sreyk printf(", <radiotap v%u", rh->it_version); 89312a08440Sreyk 89412a08440Sreyk #define RADIOTAP(_x) \ 89512a08440Sreyk (present & (1 << IEEE80211_RADIOTAP_##_x)) 89612a08440Sreyk 89712a08440Sreyk if (RADIOTAP(TSFT)) { 898cce1ba42Sclaudio u_int64_t tsf; 899cce1ba42Sclaudio 90012a08440Sreyk TCHECK2(*t, 8); 901cce1ba42Sclaudio bcopy(t, &tsf, sizeof(u_int64_t)); 90212a08440Sreyk if (vflag > 1) 903cce1ba42Sclaudio printf(", tsf %llu", letoh64(tsf)); 90412a08440Sreyk t += 8; 90512a08440Sreyk } 90612a08440Sreyk 90712a08440Sreyk if (RADIOTAP(FLAGS)) { 90812a08440Sreyk u_int8_t flags = *(u_int8_t*)t; 909026ca542Sderaadt TCHECK2(*t, 1); 910026ca542Sderaadt 91112a08440Sreyk if (flags & IEEE80211_RADIOTAP_F_CFP) 91212a08440Sreyk printf(", CFP"); 91312a08440Sreyk if (flags & IEEE80211_RADIOTAP_F_SHORTPRE) 91412a08440Sreyk printf(", SHORTPRE"); 91512a08440Sreyk if (flags & IEEE80211_RADIOTAP_F_WEP) 91612a08440Sreyk printf(", WEP"); 91712a08440Sreyk if (flags & IEEE80211_RADIOTAP_F_FRAG) 91812a08440Sreyk printf(", FRAG"); 91912a08440Sreyk t += 1; 92012a08440Sreyk } 92112a08440Sreyk 92212a08440Sreyk if (RADIOTAP(RATE)) { 92312a08440Sreyk TCHECK2(*t, 1); 92412a08440Sreyk if (vflag) 92512a08440Sreyk printf(", %uMbit/s", (*(u_int8_t*)t) / 2); 92612a08440Sreyk t += 1; 92712a08440Sreyk } 92812a08440Sreyk 92912a08440Sreyk if (RADIOTAP(CHANNEL)) { 93012a08440Sreyk u_int16_t freq, flags; 93112a08440Sreyk TCHECK2(*t, 2); 93212a08440Sreyk 933cce1ba42Sclaudio bcopy(t, &freq, sizeof(u_int16_t)); 934cce1ba42Sclaudio freq = letoh16(freq); 93512a08440Sreyk t += 2; 93612a08440Sreyk TCHECK2(*t, 2); 937cce1ba42Sclaudio bcopy(t, &flags, sizeof(u_int16_t)); 938cce1ba42Sclaudio flags = letoh16(flags); 93912a08440Sreyk t += 2; 94012a08440Sreyk 94112a08440Sreyk printf(", chan %u", ieee80211_any2ieee(freq, flags)); 94212a08440Sreyk 94312a08440Sreyk if (flags & IEEE80211_CHAN_DYN && 94412a08440Sreyk flags & IEEE80211_CHAN_2GHZ) 94512a08440Sreyk printf(", 11g"); 94612a08440Sreyk else if (flags & IEEE80211_CHAN_CCK && 94712a08440Sreyk flags & IEEE80211_CHAN_2GHZ) 94812a08440Sreyk printf(", 11b"); 94912a08440Sreyk else if (flags & IEEE80211_CHAN_OFDM && 95012a08440Sreyk flags & IEEE80211_CHAN_2GHZ) 95112a08440Sreyk printf(", 11G"); 95212a08440Sreyk else if (flags & IEEE80211_CHAN_OFDM && 95312a08440Sreyk flags & IEEE80211_CHAN_5GHZ) 95412a08440Sreyk printf(", 11a"); 95512a08440Sreyk 95612a08440Sreyk if (flags & IEEE80211_CHAN_TURBO) 95712a08440Sreyk printf(", TURBO"); 95812a08440Sreyk if (flags & IEEE80211_CHAN_XR) 95912a08440Sreyk printf(", XR"); 96012a08440Sreyk } 96112a08440Sreyk 96212a08440Sreyk if (RADIOTAP(FHSS)) { 96312a08440Sreyk TCHECK2(*t, 2); 96412a08440Sreyk printf(", fhss %u/%u", *(u_int8_t*)t, *(u_int8_t*)t + 1); 96512a08440Sreyk t += 2; 96612a08440Sreyk } 96712a08440Sreyk 96812a08440Sreyk if (RADIOTAP(DBM_ANTSIGNAL)) { 96912a08440Sreyk TCHECK(*t); 97012a08440Sreyk printf(", sig %ddBm", *(int8_t*)t); 97112a08440Sreyk t += 1; 97212a08440Sreyk } 97312a08440Sreyk 97412a08440Sreyk if (RADIOTAP(DBM_ANTNOISE)) { 97512a08440Sreyk TCHECK(*t); 97612a08440Sreyk printf(", noise %ddBm", *(int8_t*)t); 97712a08440Sreyk t += 1; 97812a08440Sreyk } 97912a08440Sreyk 98012a08440Sreyk if (RADIOTAP(LOCK_QUALITY)) { 98112a08440Sreyk TCHECK2(*t, 2); 982cce1ba42Sclaudio if (vflag) { 983cce1ba42Sclaudio bcopy(t, &tmp, sizeof(u_int16_t)); 984cce1ba42Sclaudio printf(", quality %u", letoh16(tmp)); 985cce1ba42Sclaudio } 98612a08440Sreyk t += 2; 98712a08440Sreyk } 98812a08440Sreyk 98912a08440Sreyk if (RADIOTAP(TX_ATTENUATION)) { 99012a08440Sreyk TCHECK2(*t, 2); 991cce1ba42Sclaudio if (vflag) { 992cce1ba42Sclaudio bcopy(t, &tmp, sizeof(u_int16_t)); 993cce1ba42Sclaudio printf(", txatt %u", letoh16(tmp)); 994cce1ba42Sclaudio } 99512a08440Sreyk t += 2; 99612a08440Sreyk } 99712a08440Sreyk 99812a08440Sreyk if (RADIOTAP(DB_TX_ATTENUATION)) { 99912a08440Sreyk TCHECK2(*t, 2); 1000cce1ba42Sclaudio if (vflag) { 1001cce1ba42Sclaudio bcopy(t, &tmp, sizeof(u_int16_t)); 1002cce1ba42Sclaudio printf(", txatt %udB", letoh16(tmp)); 1003cce1ba42Sclaudio } 100412a08440Sreyk t += 2; 100512a08440Sreyk } 100612a08440Sreyk 100712a08440Sreyk if (RADIOTAP(DBM_TX_POWER)) { 100812a08440Sreyk TCHECK(*t); 100912a08440Sreyk printf(", txpower %ddBm", *(int8_t*)t); 101012a08440Sreyk t += 1; 101112a08440Sreyk } 101212a08440Sreyk 101312a08440Sreyk if (RADIOTAP(ANTENNA)) { 101412a08440Sreyk TCHECK(*t); 101512a08440Sreyk if (vflag) 101612a08440Sreyk printf(", antenna %u", *(u_int8_t*)t); 101712a08440Sreyk t += 1; 101812a08440Sreyk } 101912a08440Sreyk 102012a08440Sreyk if (RADIOTAP(DB_ANTSIGNAL)) { 102112a08440Sreyk TCHECK(*t); 102212a08440Sreyk printf(", signal %udB", *(u_int8_t*)t); 102312a08440Sreyk t += 1; 102412a08440Sreyk } 102512a08440Sreyk 102612a08440Sreyk if (RADIOTAP(DB_ANTNOISE)) { 102712a08440Sreyk TCHECK(*t); 102812a08440Sreyk printf(", noise %udB", *(u_int8_t*)t); 102912a08440Sreyk t += 1; 103012a08440Sreyk } 103112a08440Sreyk 103212a08440Sreyk if (RADIOTAP(FCS)) { 103312a08440Sreyk TCHECK2(*t, 4); 1034cce1ba42Sclaudio if (vflag) { 1035cce1ba42Sclaudio u_int32_t fcs; 1036cce1ba42Sclaudio bcopy(t, &fcs, sizeof(u_int32_t)); 1037cce1ba42Sclaudio printf(", fcs %08x", letoh32(fcs)); 1038cce1ba42Sclaudio } 103912a08440Sreyk t += 4; 104012a08440Sreyk } 104112a08440Sreyk 10426fc94ee3Sreyk if (RADIOTAP(RSSI)) { 10436fc94ee3Sreyk u_int8_t rssi, max_rssi; 10446fc94ee3Sreyk TCHECK(*t); 10456fc94ee3Sreyk rssi = *(u_int8_t*)t; 10466fc94ee3Sreyk t += 1; 10476fc94ee3Sreyk TCHECK(*t); 10486fc94ee3Sreyk max_rssi = *(u_int8_t*)t; 10496fc94ee3Sreyk t += 1; 10506fc94ee3Sreyk 10516fc94ee3Sreyk printf(", rssi %u/%u", rssi, max_rssi); 10526fc94ee3Sreyk } 10536fc94ee3Sreyk 105412a08440Sreyk #undef RADIOTAP 105512a08440Sreyk 105612a08440Sreyk putchar('>'); 105712a08440Sreyk goto out; 105812a08440Sreyk 105912a08440Sreyk trunc: 106012a08440Sreyk /* Truncated frame */ 106112a08440Sreyk printf("[|radiotap + 802.11]"); 106212a08440Sreyk 106312a08440Sreyk out: 1064c79cf170Sreyk if (!ieee80211_encap) { 106512a08440Sreyk if (xflag) 1066a0774ae9Smglocker default_print(p, h->len); 106712a08440Sreyk putchar('\n'); 106812a08440Sreyk } 1069c79cf170Sreyk } 107018786664Sclaudio 107118786664Sclaudio void 107218786664Sclaudio ieee80211_reason(u_int16_t reason) 107318786664Sclaudio { 107418786664Sclaudio if (!vflag) 107518786664Sclaudio return; 107618786664Sclaudio 107718786664Sclaudio switch (reason) { 107818786664Sclaudio case IEEE80211_REASON_UNSPECIFIED: 107918786664Sclaudio printf(", unspecified failure"); 108018786664Sclaudio break; 108118786664Sclaudio case IEEE80211_REASON_AUTH_EXPIRE: 108218786664Sclaudio printf(", authentication expired"); 108318786664Sclaudio break; 108418786664Sclaudio case IEEE80211_REASON_AUTH_LEAVE: 108518786664Sclaudio printf(", deauth - station left"); 108618786664Sclaudio break; 108718786664Sclaudio case IEEE80211_REASON_ASSOC_EXPIRE: 108818786664Sclaudio printf(", association expired"); 108918786664Sclaudio break; 109018786664Sclaudio case IEEE80211_REASON_ASSOC_TOOMANY: 109118786664Sclaudio printf(", too many associated stations"); 109218786664Sclaudio break; 109318786664Sclaudio case IEEE80211_REASON_NOT_AUTHED: 109418786664Sclaudio printf(", not authenticated"); 109518786664Sclaudio break; 109618786664Sclaudio case IEEE80211_REASON_NOT_ASSOCED: 109718786664Sclaudio printf(", not associated"); 109818786664Sclaudio break; 109918786664Sclaudio case IEEE80211_REASON_ASSOC_LEAVE: 110018786664Sclaudio printf(", disassociated - station left"); 110118786664Sclaudio break; 110218786664Sclaudio case IEEE80211_REASON_ASSOC_NOT_AUTHED: 110318786664Sclaudio printf(", association but not authenticated"); 110418786664Sclaudio break; 110518786664Sclaudio case IEEE80211_REASON_RSN_REQUIRED: 110618786664Sclaudio printf(", rsn required"); 110718786664Sclaudio break; 110818786664Sclaudio case IEEE80211_REASON_RSN_INCONSISTENT: 110918786664Sclaudio printf(", rsn inconsistent"); 111018786664Sclaudio break; 111118786664Sclaudio case IEEE80211_REASON_IE_INVALID: 111218786664Sclaudio printf(", ie invalid"); 111318786664Sclaudio break; 111418786664Sclaudio case IEEE80211_REASON_MIC_FAILURE: 111518786664Sclaudio printf(", mic failure"); 111618786664Sclaudio break; 111718786664Sclaudio default: 111818786664Sclaudio printf(", unknown reason %u", reason); 111918786664Sclaudio } 112018786664Sclaudio } 1121