projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b453872c JG |
1 | /* |
| 2 | * Merged with mainline ieee80211.h in Aug 2004. Original ieee802_11 | |
| 3 | * remains copyright by the original authors | |
| 4 | * | |
| 5 | * Portions of the merged code are based on Host AP (software wireless | |
| 6 | * LAN access point) driver for Intersil Prism2/2.5/3. | |
| 7 | * | |
| 8 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen | |
| 9 | * <jkmaline@cc.hut.fi> | |
| 10 | * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> | |
| 11 | * | |
| 12 | * Adaption to a generic IEEE 802.11 stack by James Ketrenos | |
| 13 | * <jketreno@linux.intel.com> | |
| 14 | * Copyright (c) 2004, Intel Corporation | |
| 15 | * | |
| 16 | * This program is free software; you can redistribute it and/or modify | |
| 17 | * it under the terms of the GNU General Public License version 2 as | |
| 18 | * published by the Free Software Foundation. See README and COPYING for | |
| 19 | * more details. | |
| 20 | */ | |
| 21 | #ifndef IEEE80211_H | |
| 22 | #define IEEE80211_H | |
| 74079fdc JK |
23 | #include <linux/if_ether.h> /* ETH_ALEN */ |
| 24 | #include <linux/kernel.h> /* ARRAY_SIZE */ | |
| b7721ff9 | 25 | #include <linux/wireless.h> |
| b453872c | 26 | |
| b453872c JG |
27 | #define IEEE80211_DATA_LEN 2304 |
| 28 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section | |
| 29 | 6.2.1.1.2. | |
| 30 | ||
| 31 | The figure in section 7.1.2 suggests a body size of up to 2312 | |
| 32 | bytes is allowed, which is a bit confusing, I suspect this | |
| 33 | represents the 2304 bytes of real data, plus a possible 8 bytes of | |
| 34 | WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ | |
| 35 | ||
| 286d9747 JB |
36 | #define IEEE80211_1ADDR_LEN 10 |
| 37 | #define IEEE80211_2ADDR_LEN 16 | |
| b453872c JG |
38 | #define IEEE80211_3ADDR_LEN 24 |
| 39 | #define IEEE80211_4ADDR_LEN 30 | |
| 40 | #define IEEE80211_FCS_LEN 4 | |
| ee34af37 JK |
41 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
| 42 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
| b453872c JG |
43 | |
| 44 | #define MIN_FRAG_THRESHOLD 256U | |
| 45 | #define MAX_FRAG_THRESHOLD 2346U | |
| 46 | ||
| 47 | /* Frame control field constants */ | |
| f241be74 | 48 | #define IEEE80211_FCTL_VERS 0x0003 |
| b453872c JG |
49 | #define IEEE80211_FCTL_FTYPE 0x000c |
| 50 | #define IEEE80211_FCTL_STYPE 0x00f0 | |
| 51 | #define IEEE80211_FCTL_TODS 0x0100 | |
| 52 | #define IEEE80211_FCTL_FROMDS 0x0200 | |
| 53 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 | |
| 54 | #define IEEE80211_FCTL_RETRY 0x0800 | |
| 55 | #define IEEE80211_FCTL_PM 0x1000 | |
| f13baae4 JB |
56 | #define IEEE80211_FCTL_MOREDATA 0x2000 |
| 57 | #define IEEE80211_FCTL_PROTECTED 0x4000 | |
| b453872c JG |
58 | #define IEEE80211_FCTL_ORDER 0x8000 |
| 59 | ||
| 60 | #define IEEE80211_FTYPE_MGMT 0x0000 | |
| 61 | #define IEEE80211_FTYPE_CTL 0x0004 | |
| 62 | #define IEEE80211_FTYPE_DATA 0x0008 | |
| 63 | ||
| 64 | /* management */ | |
| 65 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 | |
| 66 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 | |
| 67 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 | |
| 68 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 | |
| 69 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 | |
| 70 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 | |
| 71 | #define IEEE80211_STYPE_BEACON 0x0080 | |
| 72 | #define IEEE80211_STYPE_ATIM 0x0090 | |
| 73 | #define IEEE80211_STYPE_DISASSOC 0x00A0 | |
| 74 | #define IEEE80211_STYPE_AUTH 0x00B0 | |
| 75 | #define IEEE80211_STYPE_DEAUTH 0x00C0 | |
| f13baae4 | 76 | #define IEEE80211_STYPE_ACTION 0x00D0 |
| b453872c JG |
77 | |
| 78 | /* control */ | |
| 79 | #define IEEE80211_STYPE_PSPOLL 0x00A0 | |
| 80 | #define IEEE80211_STYPE_RTS 0x00B0 | |
| 81 | #define IEEE80211_STYPE_CTS 0x00C0 | |
| 82 | #define IEEE80211_STYPE_ACK 0x00D0 | |
| 83 | #define IEEE80211_STYPE_CFEND 0x00E0 | |
| 84 | #define IEEE80211_STYPE_CFENDACK 0x00F0 | |
| 85 | ||
| 86 | /* data */ | |
| 87 | #define IEEE80211_STYPE_DATA 0x0000 | |
| 88 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 | |
| 89 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 | |
| 90 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 | |
| 91 | #define IEEE80211_STYPE_NULLFUNC 0x0040 | |
| 92 | #define IEEE80211_STYPE_CFACK 0x0050 | |
| 93 | #define IEEE80211_STYPE_CFPOLL 0x0060 | |
| 94 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 | |
| 95 | ||
| 96 | #define IEEE80211_SCTL_FRAG 0x000F | |
| 97 | #define IEEE80211_SCTL_SEQ 0xFFF0 | |
| 98 | ||
| b453872c JG |
99 | /* debug macros */ |
| 100 | ||
| 101 | #ifdef CONFIG_IEEE80211_DEBUG | |
| 102 | extern u32 ieee80211_debug_level; | |
| 103 | #define IEEE80211_DEBUG(level, fmt, args...) \ | |
| 104 | do { if (ieee80211_debug_level & (level)) \ | |
| 105 | printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ | |
| 106 | in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) | |
| 107 | #else | |
| 108 | #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) | |
| 74079fdc | 109 | #endif /* CONFIG_IEEE80211_DEBUG */ |
| e88187ee JB |
110 | |
| 111 | /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */ | |
| 112 | ||
| 113 | #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" | |
| 114 | #define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5] | |
| 115 | ||
| 116 | /* escape_essid() is intended to be used in debug (and possibly error) | |
| 117 | * messages. It should never be used for passing essid to user space. */ | |
| 118 | const char *escape_essid(const char *essid, u8 essid_len); | |
| 119 | ||
| b453872c | 120 | /* |
| e88187ee | 121 | * To use the debug system: |
| b453872c JG |
122 | * |
| 123 | * If you are defining a new debug classification, simply add it to the #define | |
| 124 | * list here in the form of: | |
| 125 | * | |
| 126 | * #define IEEE80211_DL_xxxx VALUE | |
| 127 | * | |
| 128 | * shifting value to the left one bit from the previous entry. xxxx should be | |
| 129 | * the name of the classification (for example, WEP) | |
| 130 | * | |
| 131 | * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your | |
| 132 | * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want | |
| 133 | * to send output to that classification. | |
| 134 | * | |
| 135 | * To add your debug level to the list of levels seen when you perform | |
| 136 | * | |
| 91cb70c1 | 137 | * % cat /proc/net/ieee80211/debug_level |
| b453872c | 138 | * |
| 91cb70c1 | 139 | * you simply need to add your entry to the ieee80211_debug_level array. |
| b453872c | 140 | * |
| 91cb70c1 | 141 | * If you do not see debug_level in /proc/net/ieee80211 then you do not have |
| b453872c JG |
142 | * CONFIG_IEEE80211_DEBUG defined in your kernel configuration |
| 143 | * | |
| 144 | */ | |
| 145 | ||
| 146 | #define IEEE80211_DL_INFO (1<<0) | |
| 147 | #define IEEE80211_DL_WX (1<<1) | |
| 148 | #define IEEE80211_DL_SCAN (1<<2) | |
| 149 | #define IEEE80211_DL_STATE (1<<3) | |
| 150 | #define IEEE80211_DL_MGMT (1<<4) | |
| 151 | #define IEEE80211_DL_FRAG (1<<5) | |
| b453872c JG |
152 | #define IEEE80211_DL_DROP (1<<7) |
| 153 | ||
| 154 | #define IEEE80211_DL_TX (1<<8) | |
| 155 | #define IEEE80211_DL_RX (1<<9) | |
| 156 | ||
| 157 | #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a) | |
| 158 | #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a) | |
| 159 | #define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a) | |
| 160 | ||
| 161 | #define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a) | |
| 162 | #define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a) | |
| 163 | #define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a) | |
| 164 | #define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a) | |
| 165 | #define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a) | |
| b453872c JG |
166 | #define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a) |
| 167 | #define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a) | |
| 168 | #define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a) | |
| 169 | #include <linux/netdevice.h> | |
| 170 | #include <linux/wireless.h> | |
| 74079fdc | 171 | #include <linux/if_arp.h> /* ARPHRD_ETHER */ |
| b453872c JG |
172 | |
| 173 | #ifndef WIRELESS_SPY | |
| 099c5bb1 | 174 | #define WIRELESS_SPY /* enable iwspy support */ |
| b453872c | 175 | #endif |
| 099c5bb1 | 176 | #include <net/iw_handler.h> /* new driver API */ |
| b453872c JG |
177 | |
| 178 | #ifndef ETH_P_PAE | |
| 74079fdc JK |
179 | #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ |
| 180 | #endif /* ETH_P_PAE */ | |
| b453872c | 181 | |
| 74079fdc | 182 | #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ |
| b453872c JG |
183 | |
| 184 | #ifndef ETH_P_80211_RAW | |
| 185 | #define ETH_P_80211_RAW (ETH_P_ECONET + 1) | |
| 186 | #endif | |
| 187 | ||
| 188 | /* IEEE 802.11 defines */ | |
| 189 | ||
| 190 | #define P80211_OUI_LEN 3 | |
| 191 | ||
| 192 | struct ieee80211_snap_hdr { | |
| 193 | ||
| 74079fdc JK |
194 | u8 dsap; /* always 0xAA */ |
| 195 | u8 ssap; /* always 0xAA */ | |
| 196 | u8 ctrl; /* always 0x03 */ | |
| 197 | u8 oui[P80211_OUI_LEN]; /* organizational universal id */ | |
| b453872c JG |
198 | |
| 199 | } __attribute__ ((packed)); | |
| 200 | ||
| 201 | #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) | |
| 202 | ||
| f13baae4 | 203 | #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) |
| b453872c JG |
204 | #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) |
| 205 | #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) | |
| 206 | ||
| 207 | #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) | |
| 208 | #define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ) | |
| 209 | ||
| 210 | /* Authentication algorithms */ | |
| 211 | #define WLAN_AUTH_OPEN 0 | |
| 212 | #define WLAN_AUTH_SHARED_KEY 1 | |
| 213 | ||
| 214 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
| 215 | ||
| 2474385e | 216 | #define WLAN_CAPABILITY_ESS (1<<0) |
| b453872c JG |
217 | #define WLAN_CAPABILITY_IBSS (1<<1) |
| 218 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) | |
| 219 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
| 220 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
| 221 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
| 222 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
| 223 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
| f13baae4 JB |
224 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) |
| 225 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) | |
| 226 | #define WLAN_CAPABILITY_OSSS_OFDM (1<<13) | |
| b453872c JG |
227 | |
| 228 | /* Status codes */ | |
| 95d5185d JB |
229 | enum ieee80211_statuscode { |
| 230 | WLAN_STATUS_SUCCESS = 0, | |
| 231 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
| 232 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
| 233 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
| 234 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
| 235 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
| 236 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
| 237 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
| 238 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
| 239 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
| 240 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
| 241 | /* 802.11b */ | |
| 242 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
| 243 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
| 244 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
| 245 | /* 802.11h */ | |
| 246 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
| 247 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
| 248 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
| 249 | /* 802.11g */ | |
| 250 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
| 251 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
| 252 | /* 802.11i */ | |
| 253 | WLAN_STATUS_INVALID_IE = 40, | |
| 254 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
| 255 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
| 256 | WLAN_STATUS_INVALID_AKMP = 43, | |
| 257 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
| 258 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
| 259 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
| 260 | }; | |
| b453872c JG |
261 | |
| 262 | /* Reason codes */ | |
| 95d5185d JB |
263 | enum ieee80211_reasoncode { |
| 264 | WLAN_REASON_UNSPECIFIED = 1, | |
| 265 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
| 266 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
| 267 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
| 268 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
| 269 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
| 270 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
| 271 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
| 272 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
| 273 | /* 802.11h */ | |
| 274 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
| 275 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
| 276 | /* 802.11i */ | |
| 277 | WLAN_REASON_INVALID_IE = 13, | |
| 278 | WLAN_REASON_MIC_FAILURE = 14, | |
| 279 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
| 280 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
| 281 | WLAN_REASON_IE_DIFFERENT = 17, | |
| 282 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
| 283 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
| 284 | WLAN_REASON_INVALID_AKMP = 20, | |
| 285 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
| 286 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
| 287 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
| 288 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
| 289 | }; | |
| b453872c | 290 | |
| b453872c JG |
291 | #define IEEE80211_STATMASK_SIGNAL (1<<0) |
| 292 | #define IEEE80211_STATMASK_RSSI (1<<1) | |
| 293 | #define IEEE80211_STATMASK_NOISE (1<<2) | |
| 294 | #define IEEE80211_STATMASK_RATE (1<<3) | |
| 295 | #define IEEE80211_STATMASK_WEMASK 0x7 | |
| 296 | ||
| b453872c JG |
297 | #define IEEE80211_CCK_MODULATION (1<<0) |
| 298 | #define IEEE80211_OFDM_MODULATION (1<<1) | |
| 299 | ||
| 300 | #define IEEE80211_24GHZ_BAND (1<<0) | |
| 301 | #define IEEE80211_52GHZ_BAND (1<<1) | |
| 302 | ||
| 303 | #define IEEE80211_CCK_RATE_1MB 0x02 | |
| 304 | #define IEEE80211_CCK_RATE_2MB 0x04 | |
| 305 | #define IEEE80211_CCK_RATE_5MB 0x0B | |
| 306 | #define IEEE80211_CCK_RATE_11MB 0x16 | |
| 307 | #define IEEE80211_OFDM_RATE_6MB 0x0C | |
| 308 | #define IEEE80211_OFDM_RATE_9MB 0x12 | |
| 309 | #define IEEE80211_OFDM_RATE_12MB 0x18 | |
| 310 | #define IEEE80211_OFDM_RATE_18MB 0x24 | |
| 311 | #define IEEE80211_OFDM_RATE_24MB 0x30 | |
| 312 | #define IEEE80211_OFDM_RATE_36MB 0x48 | |
| 313 | #define IEEE80211_OFDM_RATE_48MB 0x60 | |
| 314 | #define IEEE80211_OFDM_RATE_54MB 0x6C | |
| 315 | #define IEEE80211_BASIC_RATE_MASK 0x80 | |
| 316 | ||
| 317 | #define IEEE80211_CCK_RATE_1MB_MASK (1<<0) | |
| 318 | #define IEEE80211_CCK_RATE_2MB_MASK (1<<1) | |
| 319 | #define IEEE80211_CCK_RATE_5MB_MASK (1<<2) | |
| 320 | #define IEEE80211_CCK_RATE_11MB_MASK (1<<3) | |
| 321 | #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) | |
| 322 | #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) | |
| 323 | #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) | |
| 324 | #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) | |
| 325 | #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) | |
| 326 | #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) | |
| 327 | #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) | |
| 328 | #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) | |
| 329 | ||
| 330 | #define IEEE80211_CCK_RATES_MASK 0x0000000F | |
| 331 | #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ | |
| 332 | IEEE80211_CCK_RATE_2MB_MASK) | |
| 333 | #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ | |
| 334 | IEEE80211_CCK_RATE_5MB_MASK | \ | |
| 335 | IEEE80211_CCK_RATE_11MB_MASK) | |
| 336 | ||
| 337 | #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 | |
| 338 | #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ | |
| 339 | IEEE80211_OFDM_RATE_12MB_MASK | \ | |
| 340 | IEEE80211_OFDM_RATE_24MB_MASK) | |
| 341 | #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ | |
| 342 | IEEE80211_OFDM_RATE_9MB_MASK | \ | |
| 343 | IEEE80211_OFDM_RATE_18MB_MASK | \ | |
| 344 | IEEE80211_OFDM_RATE_36MB_MASK | \ | |
| 345 | IEEE80211_OFDM_RATE_48MB_MASK | \ | |
| 346 | IEEE80211_OFDM_RATE_54MB_MASK) | |
| 347 | #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ | |
| 348 | IEEE80211_CCK_DEFAULT_RATES_MASK) | |
| 349 | ||
| 350 | #define IEEE80211_NUM_OFDM_RATES 8 | |
| 351 | #define IEEE80211_NUM_CCK_RATES 4 | |
| 352 | #define IEEE80211_OFDM_SHIFT_MASK_A 4 | |
| 353 | ||
| b453872c JG |
354 | /* NOTE: This data is for statistical purposes; not all hardware provides this |
| 355 | * information for frames received. Not setting these will not cause | |
| 356 | * any adverse affects. */ | |
| 357 | struct ieee80211_rx_stats { | |
| 358 | u32 mac_time; | |
| 359 | s8 rssi; | |
| 360 | u8 signal; | |
| 361 | u8 noise; | |
| 74079fdc | 362 | u16 rate; /* in 100 kbps */ |
| b453872c JG |
363 | u8 received_channel; |
| 364 | u8 control; | |
| 365 | u8 mask; | |
| 366 | u8 freq; | |
| 367 | u16 len; | |
| 368 | }; | |
| 369 | ||
| 370 | /* IEEE 802.11 requires that STA supports concurrent reception of at least | |
| 371 | * three fragmented frames. This define can be increased to support more | |
| 372 | * concurrent frames, but it should be noted that each entry can consume about | |
| 373 | * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ | |
| 374 | #define IEEE80211_FRAG_CACHE_LEN 4 | |
| 375 | ||
| 376 | struct ieee80211_frag_entry { | |
| 377 | unsigned long first_frag_time; | |
| 378 | unsigned int seq; | |
| 379 | unsigned int last_frag; | |
| 380 | struct sk_buff *skb; | |
| 381 | u8 src_addr[ETH_ALEN]; | |
| 382 | u8 dst_addr[ETH_ALEN]; | |
| 383 | }; | |
| 384 | ||
| 385 | struct ieee80211_stats { | |
| 386 | unsigned int tx_unicast_frames; | |
| 387 | unsigned int tx_multicast_frames; | |
| 388 | unsigned int tx_fragments; | |
| 389 | unsigned int tx_unicast_octets; | |
| 390 | unsigned int tx_multicast_octets; | |
| 391 | unsigned int tx_deferred_transmissions; | |
| 392 | unsigned int tx_single_retry_frames; | |
| 393 | unsigned int tx_multiple_retry_frames; | |
| 394 | unsigned int tx_retry_limit_exceeded; | |
| 395 | unsigned int tx_discards; | |
| 396 | unsigned int rx_unicast_frames; | |
| 397 | unsigned int rx_multicast_frames; | |
| 398 | unsigned int rx_fragments; | |
| 399 | unsigned int rx_unicast_octets; | |
| 400 | unsigned int rx_multicast_octets; | |
| 401 | unsigned int rx_fcs_errors; | |
| 402 | unsigned int rx_discards_no_buffer; | |
| 403 | unsigned int tx_discards_wrong_sa; | |
| 404 | unsigned int rx_discards_undecryptable; | |
| 405 | unsigned int rx_message_in_msg_fragments; | |
| 406 | unsigned int rx_message_in_bad_msg_fragments; | |
| 407 | }; | |
| 408 | ||
| 409 | struct ieee80211_device; | |
| 410 | ||
| 411 | #include "ieee80211_crypt.h" | |
| 412 | ||
| f1bf6638 JK |
413 | #define SEC_KEY_1 (1<<0) |
| 414 | #define SEC_KEY_2 (1<<1) | |
| 415 | #define SEC_KEY_3 (1<<2) | |
| 416 | #define SEC_KEY_4 (1<<3) | |
| 417 | #define SEC_ACTIVE_KEY (1<<4) | |
| 418 | #define SEC_AUTH_MODE (1<<5) | |
| 419 | #define SEC_UNICAST_GROUP (1<<6) | |
| 420 | #define SEC_LEVEL (1<<7) | |
| 421 | #define SEC_ENABLED (1<<8) | |
| 259bf1fd | 422 | #define SEC_ENCRYPT (1<<9) |
| f1bf6638 JK |
423 | |
| 424 | #define SEC_LEVEL_0 0 /* None */ | |
| 425 | #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ | |
| 426 | #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ | |
| 427 | #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ | |
| 428 | #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ | |
| 429 | ||
| e0d369d1 JK |
430 | #define SEC_ALG_NONE 0 |
| 431 | #define SEC_ALG_WEP 1 | |
| 432 | #define SEC_ALG_TKIP 2 | |
| 433 | #define SEC_ALG_CCMP 3 | |
| 434 | ||
| f1bf6638 JK |
435 | #define WEP_KEYS 4 |
| 436 | #define WEP_KEY_LEN 13 | |
| 437 | #define SCM_KEY_LEN 32 | |
| 438 | #define SCM_TEMPORAL_KEY_LENGTH 16 | |
| b453872c JG |
439 | |
| 440 | struct ieee80211_security { | |
| 441 | u16 active_key:2, | |
| f1bf6638 JK |
442 | enabled:1, |
| 443 | auth_mode:2, auth_algo:4, unicast_uses_group:1, encrypt:1; | |
| e0d369d1 | 444 | u8 encode_alg[WEP_KEYS]; |
| b453872c | 445 | u8 key_sizes[WEP_KEYS]; |
| f1bf6638 | 446 | u8 keys[WEP_KEYS][SCM_KEY_LEN]; |
| b453872c JG |
447 | u8 level; |
| 448 | u16 flags; | |
| 449 | } __attribute__ ((packed)); | |
| 450 | ||
| b453872c JG |
451 | /* |
| 452 | ||
| 453 | 802.11 data frame from AP | |
| 454 | ||
| 455 | ,-------------------------------------------------------------------. | |
| 456 | Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | | |
| 457 | |------|------|---------|---------|---------|------|---------|------| | |
| 458 | Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | | |
| 459 | | | tion | (BSSID) | | | ence | data | | | |
| 460 | `-------------------------------------------------------------------' | |
| 461 | ||
| 462 | Total: 28-2340 bytes | |
| 463 | ||
| 464 | */ | |
| 465 | ||
| b453872c JG |
466 | #define BEACON_PROBE_SSID_ID_POSITION 12 |
| 467 | ||
| 468 | /* Management Frame Information Element Types */ | |
| 95d5185d JB |
469 | enum ieee80211_mfie { |
| 470 | MFIE_TYPE_SSID = 0, | |
| 471 | MFIE_TYPE_RATES = 1, | |
| 472 | MFIE_TYPE_FH_SET = 2, | |
| 473 | MFIE_TYPE_DS_SET = 3, | |
| 74079fdc | 474 | MFIE_TYPE_CF_SET = 4, |
| 95d5185d JB |
475 | MFIE_TYPE_TIM = 5, |
| 476 | MFIE_TYPE_IBSS_SET = 6, | |
| 477 | MFIE_TYPE_COUNTRY = 7, | |
| 478 | MFIE_TYPE_HOP_PARAMS = 8, | |
| 479 | MFIE_TYPE_HOP_TABLE = 9, | |
| 480 | MFIE_TYPE_REQUEST = 10, | |
| 481 | MFIE_TYPE_CHALLENGE = 16, | |
| 482 | MFIE_TYPE_POWER_CONSTRAINT = 32, | |
| 483 | MFIE_TYPE_POWER_CAPABILITY = 33, | |
| 484 | MFIE_TYPE_TPC_REQUEST = 34, | |
| 485 | MFIE_TYPE_TPC_REPORT = 35, | |
| 486 | MFIE_TYPE_SUPP_CHANNELS = 36, | |
| 487 | MFIE_TYPE_CSA = 37, | |
| 488 | MFIE_TYPE_MEASURE_REQUEST = 38, | |
| 489 | MFIE_TYPE_MEASURE_REPORT = 39, | |
| 490 | MFIE_TYPE_QUIET = 40, | |
| 491 | MFIE_TYPE_IBSS_DFS = 41, | |
| 492 | MFIE_TYPE_ERP_INFO = 42, | |
| 493 | MFIE_TYPE_RSN = 48, | |
| 494 | MFIE_TYPE_RATES_EX = 50, | |
| 495 | MFIE_TYPE_GENERIC = 221, | |
| 496 | }; | |
| b453872c | 497 | |
| ee34af37 JK |
498 | /* Minimal header; can be used for passing 802.11 frames with sufficient |
| 499 | * information to determine what type of underlying data type is actually | |
| 500 | * stored in the data. */ | |
| 501 | struct ieee80211_hdr { | |
| 502 | u16 frame_ctl; | |
| 503 | u16 duration_id; | |
| 504 | u8 payload[0]; | |
| 505 | } __attribute__ ((packed)); | |
| 506 | ||
| 507 | struct ieee80211_hdr_1addr { | |
| 508 | u16 frame_ctl; | |
| 509 | u16 duration_id; | |
| 510 | u8 addr1[ETH_ALEN]; | |
| 511 | u8 payload[0]; | |
| 512 | } __attribute__ ((packed)); | |
| 513 | ||
| 514 | struct ieee80211_hdr_2addr { | |
| 515 | u16 frame_ctl; | |
| 516 | u16 duration_id; | |
| 517 | u8 addr1[ETH_ALEN]; | |
| 518 | u8 addr2[ETH_ALEN]; | |
| 519 | u8 payload[0]; | |
| 520 | } __attribute__ ((packed)); | |
| 521 | ||
| 522 | struct ieee80211_hdr_3addr { | |
| 523 | u16 frame_ctl; | |
| 524 | u16 duration_id; | |
| 525 | u8 addr1[ETH_ALEN]; | |
| 526 | u8 addr2[ETH_ALEN]; | |
| 527 | u8 addr3[ETH_ALEN]; | |
| 528 | u16 seq_ctl; | |
| 529 | u8 payload[0]; | |
| 530 | } __attribute__ ((packed)); | |
| 531 | ||
| 532 | struct ieee80211_hdr_4addr { | |
| 533 | u16 frame_ctl; | |
| 534 | u16 duration_id; | |
| 535 | u8 addr1[ETH_ALEN]; | |
| 536 | u8 addr2[ETH_ALEN]; | |
| 537 | u8 addr3[ETH_ALEN]; | |
| 538 | u16 seq_ctl; | |
| 539 | u8 addr4[ETH_ALEN]; | |
| 540 | u8 payload[0]; | |
| 541 | } __attribute__ ((packed)); | |
| 542 | ||
| b453872c JG |
543 | struct ieee80211_info_element { |
| 544 | u8 id; | |
| 545 | u8 len; | |
| 546 | u8 data[0]; | |
| 547 | } __attribute__ ((packed)); | |
| 548 | ||
| 549 | /* | |
| 550 | * These are the data types that can make up management packets | |
| 551 | * | |
| 552 | u16 auth_algorithm; | |
| 553 | u16 auth_sequence; | |
| 554 | u16 beacon_interval; | |
| 555 | u16 capability; | |
| 556 | u8 current_ap[ETH_ALEN]; | |
| 557 | u16 listen_interval; | |
| 558 | struct { | |
| 559 | u16 association_id:14, reserved:2; | |
| 560 | } __attribute__ ((packed)); | |
| 561 | u32 time_stamp[2]; | |
| 562 | u16 reason; | |
| 563 | u16 status; | |
| 564 | */ | |
| 565 | ||
| ee34af37 | 566 | struct ieee80211_auth { |
| 286d9747 | 567 | struct ieee80211_hdr_3addr header; |
| 099c5bb1 JB |
568 | __le16 algorithm; |
| 569 | __le16 transaction; | |
| 570 | __le16 status; | |
| 68e4e036 | 571 | struct ieee80211_info_element info_element[0]; |
| b453872c JG |
572 | } __attribute__ ((packed)); |
| 573 | ||
| ee34af37 JK |
574 | struct ieee80211_disassoc { |
| 575 | struct ieee80211_hdr_3addr header; | |
| 576 | u16 reason_code; | |
| 577 | struct ieee80211_info_element info_element[0]; | |
| 578 | } __attribute__ ((packed)); | |
| 579 | ||
| 580 | struct ieee80211_probe_request { | |
| 581 | struct ieee80211_hdr_3addr header; | |
| 582 | struct ieee80211_info_element info_element[0]; | |
| 583 | } __attribute__ ((packed)); | |
| 584 | ||
| b453872c | 585 | struct ieee80211_probe_response { |
| 286d9747 | 586 | struct ieee80211_hdr_3addr header; |
| b453872c | 587 | u32 time_stamp[2]; |
| 099c5bb1 JB |
588 | __le16 beacon_interval; |
| 589 | __le16 capability; | |
| 68e4e036 | 590 | struct ieee80211_info_element info_element[0]; |
| b453872c JG |
591 | } __attribute__ ((packed)); |
| 592 | ||
| ee34af37 JK |
593 | /* Alias beacon for probe_response */ |
| 594 | #define ieee80211_beacon ieee80211_probe_response | |
| 595 | ||
| 596 | struct ieee80211_assoc_request { | |
| 597 | struct ieee80211_hdr_3addr header; | |
| 598 | u16 capability; | |
| 599 | u16 listen_interval; | |
| 600 | struct ieee80211_info_element info_element[0]; | |
| 601 | } __attribute__ ((packed)); | |
| 602 | ||
| 603 | struct ieee80211_reassoc_request { | |
| 604 | struct ieee80211_hdr_3addr header; | |
| 099c5bb1 JB |
605 | __le16 capability; |
| 606 | __le16 listen_interval; | |
| b453872c | 607 | u8 current_ap[ETH_ALEN]; |
| 68e4e036 | 608 | struct ieee80211_info_element info_element[0]; |
| b453872c JG |
609 | } __attribute__ ((packed)); |
| 610 | ||
| ee34af37 | 611 | struct ieee80211_assoc_response { |
| b453872c | 612 | struct ieee80211_hdr_3addr header; |
| 099c5bb1 JB |
613 | __le16 capability; |
| 614 | __le16 status; | |
| 615 | __le16 aid; | |
| 68e4e036 | 616 | struct ieee80211_info_element info_element[0]; /* supported rates */ |
| b453872c JG |
617 | } __attribute__ ((packed)); |
| 618 | ||
| b453872c JG |
619 | struct ieee80211_txb { |
| 620 | u8 nr_frags; | |
| 621 | u8 encrypted; | |
| ee34af37 JK |
622 | u8 rts_included; |
| 623 | u8 reserved; | |
| b453872c JG |
624 | u16 frag_size; |
| 625 | u16 payload_size; | |
| 626 | struct sk_buff *fragments[0]; | |
| 627 | }; | |
| 628 | ||
| 099c5bb1 | 629 | /* SWEEP TABLE ENTRIES NUMBER */ |
| b453872c JG |
630 | #define MAX_SWEEP_TAB_ENTRIES 42 |
| 631 | #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 | |
| 632 | /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs | |
| 633 | * only use 8, and then use extended rates for the remaining supported | |
| 634 | * rates. Other APs, however, stick all of their supported rates on the | |
| 635 | * main rates information element... */ | |
| 636 | #define MAX_RATES_LENGTH ((u8)12) | |
| 637 | #define MAX_RATES_EX_LENGTH ((u8)16) | |
| 638 | #define MAX_NETWORK_COUNT 128 | |
| 639 | ||
| 640 | #define CRC_LENGTH 4U | |
| 641 | ||
| 642 | #define MAX_WPA_IE_LEN 64 | |
| 643 | ||
| 644 | #define NETWORK_EMPTY_ESSID (1<<0) | |
| 645 | #define NETWORK_HAS_OFDM (1<<1) | |
| 646 | #define NETWORK_HAS_CCK (1<<2) | |
| 647 | ||
| 648 | struct ieee80211_network { | |
| 649 | /* These entries are used to identify a unique network */ | |
| 650 | u8 bssid[ETH_ALEN]; | |
| 651 | u8 channel; | |
| 652 | /* Ensure null-terminated for any debug msgs */ | |
| 653 | u8 ssid[IW_ESSID_MAX_SIZE + 1]; | |
| 654 | u8 ssid_len; | |
| 655 | ||
| 656 | /* These are network statistics */ | |
| 657 | struct ieee80211_rx_stats stats; | |
| 658 | u16 capability; | |
| 659 | u8 rates[MAX_RATES_LENGTH]; | |
| 660 | u8 rates_len; | |
| 661 | u8 rates_ex[MAX_RATES_EX_LENGTH]; | |
| 662 | u8 rates_ex_len; | |
| 663 | unsigned long last_scanned; | |
| 664 | u8 mode; | |
| 665 | u8 flags; | |
| 666 | u32 last_associate; | |
| 667 | u32 time_stamp[2]; | |
| 668 | u16 beacon_interval; | |
| 669 | u16 listen_interval; | |
| 670 | u16 atim_window; | |
| 671 | u8 wpa_ie[MAX_WPA_IE_LEN]; | |
| 672 | size_t wpa_ie_len; | |
| 673 | u8 rsn_ie[MAX_WPA_IE_LEN]; | |
| 674 | size_t rsn_ie_len; | |
| 675 | struct list_head list; | |
| 676 | }; | |
| 677 | ||
| 678 | enum ieee80211_state { | |
| 679 | IEEE80211_UNINITIALIZED = 0, | |
| 680 | IEEE80211_INITIALIZED, | |
| 681 | IEEE80211_ASSOCIATING, | |
| 682 | IEEE80211_ASSOCIATED, | |
| 683 | IEEE80211_AUTHENTICATING, | |
| 684 | IEEE80211_AUTHENTICATED, | |
| 685 | IEEE80211_SHUTDOWN | |
| 686 | }; | |
| 687 | ||
| 688 | #define DEFAULT_MAX_SCAN_AGE (15 * HZ) | |
| 689 | #define DEFAULT_FTS 2346 | |
| b453872c | 690 | |
| b453872c JG |
691 | #define CFG_IEEE80211_RESERVE_FCS (1<<0) |
| 692 | #define CFG_IEEE80211_COMPUTE_FCS (1<<1) | |
| 3cdd00c5 | 693 | #define CFG_IEEE80211_RTS (1<<2) |
| b453872c JG |
694 | |
| 695 | struct ieee80211_device { | |
| 696 | struct net_device *dev; | |
| f1bf6638 | 697 | struct ieee80211_security sec; |
| b453872c JG |
698 | |
| 699 | /* Bookkeeping structures */ | |
| 700 | struct net_device_stats stats; | |
| 701 | struct ieee80211_stats ieee_stats; | |
| 702 | ||
| 703 | /* Probe / Beacon management */ | |
| 704 | struct list_head network_free_list; | |
| 705 | struct list_head network_list; | |
| 706 | struct ieee80211_network *networks; | |
| 707 | int scans; | |
| 708 | int scan_age; | |
| 709 | ||
| 74079fdc JK |
710 | int iw_mode; /* operating mode (IW_MODE_*) */ |
| 711 | struct iw_spy_data spy_data; /* iwspy support */ | |
| b453872c JG |
712 | |
| 713 | spinlock_t lock; | |
| 714 | ||
| 74079fdc JK |
715 | int tx_headroom; /* Set to size of any additional room needed at front |
| 716 | * of allocated Tx SKBs */ | |
| b453872c JG |
717 | u32 config; |
| 718 | ||
| 719 | /* WEP and other encryption related settings at the device level */ | |
| 74079fdc | 720 | int open_wep; /* Set to 1 to allow unencrypted frames */ |
| b453872c | 721 | |
| 74079fdc | 722 | int reset_on_keychange; /* Set to 1 if the HW needs to be reset on |
| b453872c JG |
723 | * WEP key changes */ |
| 724 | ||
| 725 | /* If the host performs {en,de}cryption, then set to 1 */ | |
| 726 | int host_encrypt; | |
| 727 | int host_decrypt; | |
| 74079fdc | 728 | int ieee802_1x; /* is IEEE 802.1X used */ |
| b453872c JG |
729 | |
| 730 | /* WPA data */ | |
| 731 | int wpa_enabled; | |
| 732 | int drop_unencrypted; | |
| 733 | int tkip_countermeasures; | |
| 734 | int privacy_invoked; | |
| 735 | size_t wpa_ie_len; | |
| 736 | u8 *wpa_ie; | |
| 737 | ||
| 738 | struct list_head crypt_deinit_list; | |
| 739 | struct ieee80211_crypt_data *crypt[WEP_KEYS]; | |
| 74079fdc | 740 | int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ |
| b453872c | 741 | struct timer_list crypt_deinit_timer; |
| 0ad0c3c6 | 742 | int crypt_quiesced; |
| b453872c | 743 | |
| 74079fdc JK |
744 | int bcrx_sta_key; /* use individual keys to override default keys even |
| 745 | * with RX of broad/multicast frames */ | |
| b453872c JG |
746 | |
| 747 | /* Fragmentation structures */ | |
| 748 | struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN]; | |
| 749 | unsigned int frag_next_idx; | |
| 74079fdc | 750 | u16 fts; /* Fragmentation Threshold */ |
| 3cdd00c5 | 751 | u16 rts; /* RTS threshold */ |
| b453872c JG |
752 | |
| 753 | /* Association info */ | |
| 754 | u8 bssid[ETH_ALEN]; | |
| 755 | ||
| 756 | enum ieee80211_state state; | |
| 757 | ||
| 74079fdc JK |
758 | int mode; /* A, B, G */ |
| 759 | int modulation; /* CCK, OFDM */ | |
| 760 | int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ | |
| 3bc5ed68 | 761 | int abg_true; /* ABG flag */ |
| b453872c | 762 | |
| b1b508e1 JK |
763 | int perfect_rssi; |
| 764 | int worst_rssi; | |
| 765 | ||
| b453872c | 766 | /* Callback functions */ |
| 74079fdc JK |
767 | void (*set_security) (struct net_device * dev, |
| 768 | struct ieee80211_security * sec); | |
| 769 | int (*hard_start_xmit) (struct ieee80211_txb * txb, | |
| 770 | struct net_device * dev); | |
| 771 | int (*reset_port) (struct net_device * dev); | |
| 3f552bbf JK |
772 | int (*is_queue_full) (struct net_device * dev, int pri); |
| 773 | ||
| 774 | /* Typical STA methods */ | |
| 775 | int (*handle_auth) (struct net_device * dev, | |
| 776 | struct ieee80211_auth * auth); | |
| 777 | int (*handle_disassoc) (struct net_device * dev, | |
| 778 | struct ieee80211_disassoc * assoc); | |
| 779 | int (*handle_beacon) (struct net_device * dev, | |
| 780 | struct ieee80211_beacon * beacon, | |
| 781 | struct ieee80211_network * network); | |
| 782 | int (*handle_probe_response) (struct net_device * dev, | |
| 783 | struct ieee80211_probe_response * resp, | |
| 784 | struct ieee80211_network * network); | |
| 785 | int (*handle_assoc_response) (struct net_device * dev, | |
| 786 | struct ieee80211_assoc_response * resp, | |
| 787 | struct ieee80211_network * network); | |
| 788 | ||
| 789 | /* Typical AP methods */ | |
| 790 | int (*handle_assoc_request) (struct net_device * dev); | |
| 791 | int (*handle_reassoc_request) (struct net_device * dev, | |
| 792 | struct ieee80211_reassoc_request * req); | |
| b453872c JG |
793 | |
| 794 | /* This must be the last item so that it points to the data | |
| 795 | * allocated beyond this structure by alloc_ieee80211 */ | |
| 796 | u8 priv[0]; | |
| 797 | }; | |
| 798 | ||
| 799 | #define IEEE_A (1<<0) | |
| 800 | #define IEEE_B (1<<1) | |
| 801 | #define IEEE_G (1<<2) | |
| 802 | #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) | |
| 803 | ||
| 804 | extern inline void *ieee80211_priv(struct net_device *dev) | |
| 805 | { | |
| 806 | return ((struct ieee80211_device *)netdev_priv(dev))->priv; | |
| 807 | } | |
| 808 | ||
| 809 | extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len) | |
| 810 | { | |
| 811 | /* Single white space is for Linksys APs */ | |
| 812 | if (essid_len == 1 && essid[0] == ' ') | |
| 813 | return 1; | |
| 814 | ||
| 815 | /* Otherwise, if the entire essid is 0, we assume it is hidden */ | |
| 816 | while (essid_len) { | |
| 817 | essid_len--; | |
| 818 | if (essid[essid_len] != '\0') | |
| 819 | return 0; | |
| 820 | } | |
| 821 | ||
| 822 | return 1; | |
| 823 | } | |
| 824 | ||
| 74079fdc JK |
825 | extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, |
| 826 | int mode) | |
| b453872c JG |
827 | { |
| 828 | /* | |
| 829 | * It is possible for both access points and our device to support | |
| 830 | * combinations of modes, so as long as there is one valid combination | |
| 831 | * of ap/device supported modes, then return success | |
| 832 | * | |
| 833 | */ | |
| 834 | if ((mode & IEEE_A) && | |
| 835 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
| 836 | (ieee->freq_band & IEEE80211_52GHZ_BAND)) | |
| 837 | return 1; | |
| 838 | ||
| 839 | if ((mode & IEEE_G) && | |
| 840 | (ieee->modulation & IEEE80211_OFDM_MODULATION) && | |
| 841 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
| 842 | return 1; | |
| 843 | ||
| 844 | if ((mode & IEEE_B) && | |
| 845 | (ieee->modulation & IEEE80211_CCK_MODULATION) && | |
| 846 | (ieee->freq_band & IEEE80211_24GHZ_BAND)) | |
| 847 | return 1; | |
| 848 | ||
| 849 | return 0; | |
| 850 | } | |
| 851 | ||
| 852 | extern inline int ieee80211_get_hdrlen(u16 fc) | |
| 853 | { | |
| 286d9747 | 854 | int hdrlen = IEEE80211_3ADDR_LEN; |
| b453872c JG |
855 | |
| 856 | switch (WLAN_FC_GET_TYPE(fc)) { | |
| 857 | case IEEE80211_FTYPE_DATA: | |
| 858 | if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) | |
| 286d9747 | 859 | hdrlen = IEEE80211_4ADDR_LEN; |
| b453872c JG |
860 | break; |
| 861 | case IEEE80211_FTYPE_CTL: | |
| 862 | switch (WLAN_FC_GET_STYPE(fc)) { | |
| 863 | case IEEE80211_STYPE_CTS: | |
| 864 | case IEEE80211_STYPE_ACK: | |
| 286d9747 | 865 | hdrlen = IEEE80211_1ADDR_LEN; |
| b453872c JG |
866 | break; |
| 867 | default: | |
| 286d9747 | 868 | hdrlen = IEEE80211_2ADDR_LEN; |
| b453872c JG |
869 | break; |
| 870 | } | |
| 871 | break; | |
| 872 | } | |
| 873 | ||
| 874 | return hdrlen; | |
| 875 | } | |
| 876 | ||
| ee34af37 JK |
877 | extern inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr) |
| 878 | { | |
| 879 | switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) { | |
| 880 | case IEEE80211_1ADDR_LEN: | |
| 881 | return ((struct ieee80211_hdr_1addr *)hdr)->payload; | |
| 882 | case IEEE80211_2ADDR_LEN: | |
| 883 | return ((struct ieee80211_hdr_2addr *)hdr)->payload; | |
| 884 | case IEEE80211_3ADDR_LEN: | |
| 885 | return ((struct ieee80211_hdr_3addr *)hdr)->payload; | |
| 886 | case IEEE80211_4ADDR_LEN: | |
| 887 | return ((struct ieee80211_hdr_4addr *)hdr)->payload; | |
| 888 | } | |
| 889 | ||
| 890 | } | |
| 891 | ||
| b453872c JG |
892 | /* ieee80211.c */ |
| 893 | extern void free_ieee80211(struct net_device *dev); | |
| 894 | extern struct net_device *alloc_ieee80211(int sizeof_priv); | |
| 895 | ||
| 896 | extern int ieee80211_set_encryption(struct ieee80211_device *ieee); | |
| 897 | ||
| 898 | /* ieee80211_tx.c */ | |
| 74079fdc | 899 | extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev); |
| b453872c | 900 | extern void ieee80211_txb_free(struct ieee80211_txb *); |
| 3f552bbf JK |
901 | extern int ieee80211_tx_frame(struct ieee80211_device *ieee, |
| 902 | struct ieee80211_hdr *frame, int len); | |
| b453872c | 903 | |
| b453872c JG |
904 | /* ieee80211_rx.c */ |
| 905 | extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |
| 906 | struct ieee80211_rx_stats *rx_stats); | |
| 907 | extern void ieee80211_rx_mgt(struct ieee80211_device *ieee, | |
| ee34af37 | 908 | struct ieee80211_hdr_4addr *header, |
| b453872c JG |
909 | struct ieee80211_rx_stats *stats); |
| 910 | ||
| 099c5bb1 | 911 | /* ieee80211_wx.c */ |
| b453872c JG |
912 | extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee, |
| 913 | struct iw_request_info *info, | |
| 914 | union iwreq_data *wrqu, char *key); | |
| 915 | extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee, | |
| 916 | struct iw_request_info *info, | |
| 917 | union iwreq_data *wrqu, char *key); | |
| 918 | extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee, | |
| 919 | struct iw_request_info *info, | |
| 920 | union iwreq_data *wrqu, char *key); | |
| e0d369d1 JK |
921 | #if WIRELESS_EXT > 17 |
| 922 | extern int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, | |
| 923 | struct iw_request_info *info, | |
| 924 | union iwreq_data *wrqu, char *extra); | |
| 925 | extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee, | |
| 926 | struct iw_request_info *info, | |
| 927 | union iwreq_data *wrqu, char *extra); | |
| 928 | #endif | |
| b453872c | 929 | |
| b453872c JG |
930 | extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee) |
| 931 | { | |
| 932 | ieee->scans++; | |
| 933 | } | |
| 934 | ||
| 935 | extern inline int ieee80211_get_scans(struct ieee80211_device *ieee) | |
| 936 | { | |
| 937 | return ieee->scans; | |
| 938 | } | |
| 939 | ||
| 74079fdc | 940 | #endif /* IEEE80211_H */ |