1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Merged with mainline rtllib.h in Aug 2004. Original ieee802_11 4 * remains copyright by the original authors 5 * 6 * Portions of the merged code are based on Host AP (software wireless 7 * LAN access point) driver for Intersil Prism2/2.5/3. 8 * 9 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 10 * <jkmaline@cc.hut.fi> 11 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> 12 * 13 * Adaption to a generic IEEE 802.11 stack by James Ketrenos 14 * <jketreno@linux.intel.com> 15 * Copyright (c) 2004, Intel Corporation 16 * 17 * Modified for Realtek's wi-fi cards by Andrea Merello 18 * <andrea.merello@gmail.com> 19 */ 20 #ifndef RTLLIB_H 21 #define RTLLIB_H 22 #include <linux/if_ether.h> /* ETH_ALEN */ 23 #include <linux/kernel.h> /* ARRAY_SIZE */ 24 #include <linux/module.h> 25 #include <linux/interrupt.h> 26 #include <linux/jiffies.h> 27 #include <linux/timer.h> 28 #include <linux/sched.h> 29 #include <linux/mutex.h> 30 31 #include <linux/delay.h> 32 #include <linux/wireless.h> 33 34 #include "rtllib_debug.h" 35 #include "rtl819x_HT.h" 36 #include "rtl819x_BA.h" 37 #include "rtl819x_TS.h" 38 39 #include <linux/netdevice.h> 40 #include <linux/if_arp.h> /* ARPHRD_ETHER */ 41 #include <net/lib80211.h> 42 43 #define MAX_PRECMD_CNT 16 44 #define MAX_RFDEPENDCMD_CNT 16 45 #define MAX_POSTCMD_CNT 16 46 47 #ifndef WIRELESS_SPY 48 #define WIRELESS_SPY 49 #endif 50 #include <net/iw_handler.h> 51 52 #ifndef IW_MODE_MONITOR 53 #define IW_MODE_MONITOR 6 54 #endif 55 56 #ifndef IWEVCUSTOM 57 #define IWEVCUSTOM 0x8c02 58 #endif 59 60 #ifndef IW_CUSTOM_MAX 61 /* Max number of char in custom event - use multiple of them if needed */ 62 #define IW_CUSTOM_MAX 256 /* In bytes */ 63 #endif 64 65 #define container_of_dwork_rsl(x, y, z) \ 66 container_of(to_delayed_work(x), y, z) 67 68 static inline void *netdev_priv_rsl(struct net_device *dev) 69 { 70 return netdev_priv(dev); 71 } 72 73 #define KEY_TYPE_NA 0x0 74 #define KEY_TYPE_WEP40 0x1 75 #define KEY_TYPE_TKIP 0x2 76 #define KEY_TYPE_CCMP 0x4 77 #define KEY_TYPE_WEP104 0x5 78 /* added for rtl819x tx procedure */ 79 #define MAX_QUEUE_SIZE 0x10 80 81 #define BK_QUEUE 0 82 #define BE_QUEUE 1 83 #define VI_QUEUE 2 84 #define VO_QUEUE 3 85 #define HCCA_QUEUE 4 86 #define TXCMD_QUEUE 5 87 #define MGNT_QUEUE 6 88 #define HIGH_QUEUE 7 89 #define BEACON_QUEUE 8 90 91 #ifndef IW_MODE_MESH 92 #define IW_MODE_MESH 7 93 #endif 94 95 #define IE_CISCO_FLAG_POSITION 0x08 96 #define SUPPORT_CKIP_MIC 0x08 97 #define SUPPORT_CKIP_PK 0x10 98 #define RT_RF_OFF_LEVL_HALT_NIC BIT3 99 #define RT_IN_PS_LEVEL(psc, _PS_FLAG) \ 100 ((psc->CurPsLevel & _PS_FLAG) ? true : false) 101 #define RT_CLEAR_PS_LEVEL(psc, _PS_FLAG) \ 102 (psc->CurPsLevel &= (~(_PS_FLAG))) 103 104 /* defined for skb cb field */ 105 /* At most 28 byte */ 106 struct cb_desc { 107 /* Tx Desc Related flags (8-9) */ 108 u8 bLastIniPkt:1; 109 u8 bCmdOrInit:1; 110 u8 bFirstSeg:1; 111 u8 bLastSeg:1; 112 u8 bEncrypt:1; 113 u8 tx_dis_rate_fallback:1; 114 u8 tx_use_drv_assinged_rate:1; 115 u8 bHwSec:1; 116 117 u8 nStuckCount; 118 119 /* Tx Firmware Related flags (10-11)*/ 120 u8 bCTSEnable:1; 121 u8 bRTSEnable:1; 122 u8 bUseShortGI:1; 123 u8 bUseShortPreamble:1; 124 u8 bTxEnableFwCalcDur:1; 125 u8 bAMPDUEnable:1; 126 u8 bRTSSTBC:1; 127 u8 RTSSC:1; 128 129 u8 bRTSBW:1; 130 u8 bPacketBW:1; 131 u8 bRTSUseShortPreamble:1; 132 u8 bRTSUseShortGI:1; 133 u8 bMulticast:1; 134 u8 bBroadcast:1; 135 u8 drv_agg_enable:1; 136 u8 reserved2:1; 137 138 /* Tx Desc related element(12-19) */ 139 u8 rata_index; 140 u8 queue_index; 141 u16 txbuf_size; 142 u8 RATRIndex; 143 u8 bAMSDU:1; 144 u8 bFromAggrQ:1; 145 u8 reserved6:6; 146 u8 macId; 147 u8 priority; 148 149 /* Tx firmware related element(20-27) */ 150 u8 data_rate; 151 u8 rts_rate; 152 u8 ampdu_factor; 153 u8 ampdu_density; 154 u8 DrvAggrNum; 155 u8 bdhcp; 156 u16 pkt_size; 157 u8 bIsSpecialDataFrame; 158 159 u8 bBTTxPacket; 160 u8 bIsBTProbRsp; 161 }; 162 163 enum sw_chnl_cmd_id { 164 CmdID_End, 165 CmdID_SetTxPowerLevel, 166 CmdID_BBRegWrite10, 167 CmdID_WritePortUlong, 168 CmdID_WritePortUshort, 169 CmdID_WritePortUchar, 170 CmdID_RF_WriteReg, 171 }; 172 173 struct sw_chnl_cmd { 174 enum sw_chnl_cmd_id CmdID; 175 u32 Para1; 176 u32 Para2; 177 u32 msDelay; 178 } __packed; 179 180 /*--------------------------Define -------------------------------------------*/ 181 #define MGN_1M 0x02 182 #define MGN_2M 0x04 183 #define MGN_5_5M 0x0b 184 #define MGN_11M 0x16 185 186 #define MGN_6M 0x0c 187 #define MGN_9M 0x12 188 #define MGN_12M 0x18 189 #define MGN_18M 0x24 190 #define MGN_24M 0x30 191 #define MGN_36M 0x48 192 #define MGN_48M 0x60 193 #define MGN_54M 0x6c 194 195 #define MGN_MCS0 0x80 196 #define MGN_MCS1 0x81 197 #define MGN_MCS2 0x82 198 #define MGN_MCS3 0x83 199 #define MGN_MCS4 0x84 200 #define MGN_MCS5 0x85 201 #define MGN_MCS6 0x86 202 #define MGN_MCS7 0x87 203 #define MGN_MCS8 0x88 204 #define MGN_MCS9 0x89 205 #define MGN_MCS10 0x8a 206 #define MGN_MCS11 0x8b 207 #define MGN_MCS12 0x8c 208 #define MGN_MCS13 0x8d 209 #define MGN_MCS14 0x8e 210 #define MGN_MCS15 0x8f 211 212 enum hw_variables { 213 HW_VAR_ETHER_ADDR, 214 HW_VAR_MULTICAST_REG, 215 HW_VAR_BASIC_RATE, 216 HW_VAR_BSSID, 217 HW_VAR_MEDIA_STATUS, 218 HW_VAR_SECURITY_CONF, 219 HW_VAR_BEACON_INTERVAL, 220 HW_VAR_ATIM_WINDOW, 221 HW_VAR_LISTEN_INTERVAL, 222 HW_VAR_CS_COUNTER, 223 HW_VAR_DEFAULTKEY0, 224 HW_VAR_DEFAULTKEY1, 225 HW_VAR_DEFAULTKEY2, 226 HW_VAR_DEFAULTKEY3, 227 HW_VAR_SIFS, 228 HW_VAR_DIFS, 229 HW_VAR_EIFS, 230 HW_VAR_SLOT_TIME, 231 HW_VAR_ACK_PREAMBLE, 232 HW_VAR_CW_CONFIG, 233 HW_VAR_CW_VALUES, 234 HW_VAR_RATE_FALLBACK_CONTROL, 235 HW_VAR_CONTENTION_WINDOW, 236 HW_VAR_RETRY_COUNT, 237 HW_VAR_TR_SWITCH, 238 HW_VAR_COMMAND, 239 HW_VAR_WPA_CONFIG, 240 HW_VAR_AMPDU_MIN_SPACE, 241 HW_VAR_SHORTGI_DENSITY, 242 HW_VAR_AMPDU_FACTOR, 243 HW_VAR_MCS_RATE_AVAILABLE, 244 HW_VAR_AC_PARAM, 245 HW_VAR_ACM_CTRL, 246 HW_VAR_DIS_Req_Qsize, 247 HW_VAR_CCX_CHNL_LOAD, 248 HW_VAR_CCX_NOISE_HISTOGRAM, 249 HW_VAR_CCX_CLM_NHM, 250 HW_VAR_TxOPLimit, 251 HW_VAR_TURBO_MODE, 252 HW_VAR_RF_STATE, 253 HW_VAR_RF_OFF_BY_HW, 254 HW_VAR_BUS_SPEED, 255 HW_VAR_SET_DEV_POWER, 256 257 HW_VAR_RCR, 258 HW_VAR_RATR_0, 259 HW_VAR_RRSR, 260 HW_VAR_CPU_RST, 261 HW_VAR_CECHK_BSSID, 262 HW_VAR_LBK_MODE, 263 HW_VAR_AES_11N_FIX, 264 HW_VAR_USB_RX_AGGR, 265 HW_VAR_USER_CONTROL_TURBO_MODE, 266 HW_VAR_RETRY_LIMIT, 267 HW_VAR_INIT_TX_RATE, 268 HW_VAR_TX_RATE_REG, 269 HW_VAR_EFUSE_USAGE, 270 HW_VAR_EFUSE_BYTES, 271 HW_VAR_AUTOLOAD_STATUS, 272 HW_VAR_RF_2R_DISABLE, 273 HW_VAR_SET_RPWM, 274 HW_VAR_H2C_FW_PWRMODE, 275 HW_VAR_H2C_FW_JOINBSSRPT, 276 HW_VAR_1X1_RECV_COMBINE, 277 HW_VAR_STOP_SEND_BEACON, 278 HW_VAR_TSF_TIMER, 279 HW_VAR_IO_CMD, 280 281 HW_VAR_RF_RECOVERY, 282 HW_VAR_H2C_FW_UPDATE_GTK, 283 HW_VAR_WF_MASK, 284 HW_VAR_WF_CRC, 285 HW_VAR_WF_IS_MAC_ADDR, 286 HW_VAR_H2C_FW_OFFLOAD, 287 HW_VAR_RESET_WFCRC, 288 289 HW_VAR_HANDLE_FW_C2H, 290 HW_VAR_DL_FW_RSVD_PAGE, 291 HW_VAR_AID, 292 HW_VAR_HW_SEQ_ENABLE, 293 HW_VAR_CORRECT_TSF, 294 HW_VAR_BCN_VALID, 295 HW_VAR_FWLPS_RF_ON, 296 HW_VAR_DUAL_TSF_RST, 297 HW_VAR_SWITCH_EPHY_WoWLAN, 298 HW_VAR_INT_MIGRATION, 299 HW_VAR_INT_AC, 300 HW_VAR_RF_TIMING, 301 }; 302 303 enum rt_op_mode { 304 RT_OP_MODE_AP, 305 RT_OP_MODE_INFRASTRUCTURE, 306 RT_OP_MODE_IBSS, 307 RT_OP_MODE_NO_LINK, 308 }; 309 310 #define aSifsTime \ 311 (((priv->rtllib->current_network.mode == IEEE_A) \ 312 || (priv->rtllib->current_network.mode == IEEE_N_24G) \ 313 || (priv->rtllib->current_network.mode == IEEE_N_5G)) ? 16 : 10) 314 315 #define MGMT_QUEUE_NUM 5 316 317 #define MAX_IE_LEN 0xff 318 319 #define msleep_interruptible_rsl msleep_interruptible 320 321 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 322 * 6.2.1.1.2. 323 * 324 * The figure in section 7.1.2 suggests a body size of up to 2312 325 * bytes is allowed, which is a bit confusing, I suspect this 326 * represents the 2304 bytes of real data, plus a possible 8 bytes of 327 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) 328 */ 329 #define RTLLIB_1ADDR_LEN 10 330 #define RTLLIB_2ADDR_LEN 16 331 #define RTLLIB_3ADDR_LEN 24 332 #define RTLLIB_4ADDR_LEN 30 333 #define RTLLIB_FCS_LEN 4 334 335 #define RTLLIB_SKBBUFFER_SIZE 2500 336 337 #define MIN_FRAG_THRESHOLD 256U 338 #define MAX_FRAG_THRESHOLD 2346U 339 340 /* Frame control field constants */ 341 #define RTLLIB_FCTL_FTYPE 0x000c 342 #define RTLLIB_FCTL_STYPE 0x00f0 343 #define RTLLIB_FCTL_FRAMETYPE 0x00fc 344 #define RTLLIB_FCTL_TODS 0x0100 345 #define RTLLIB_FCTL_FROMDS 0x0200 346 #define RTLLIB_FCTL_DSTODS 0x0300 347 #define RTLLIB_FCTL_MOREFRAGS 0x0400 348 #define RTLLIB_FCTL_RETRY 0x0800 349 #define RTLLIB_FCTL_PM 0x1000 350 #define RTLLIB_FCTL_MOREDATA 0x2000 351 #define RTLLIB_FCTL_WEP 0x4000 352 #define RTLLIB_FCTL_ORDER 0x8000 353 354 #define RTLLIB_FTYPE_MGMT 0x0000 355 #define RTLLIB_FTYPE_CTL 0x0004 356 #define RTLLIB_FTYPE_DATA 0x0008 357 358 /* management */ 359 #define RTLLIB_STYPE_ASSOC_REQ 0x0000 360 #define RTLLIB_STYPE_ASSOC_RESP 0x0010 361 #define RTLLIB_STYPE_REASSOC_REQ 0x0020 362 #define RTLLIB_STYPE_REASSOC_RESP 0x0030 363 #define RTLLIB_STYPE_PROBE_REQ 0x0040 364 #define RTLLIB_STYPE_PROBE_RESP 0x0050 365 #define RTLLIB_STYPE_BEACON 0x0080 366 #define RTLLIB_STYPE_ATIM 0x0090 367 #define RTLLIB_STYPE_DISASSOC 0x00A0 368 #define RTLLIB_STYPE_AUTH 0x00B0 369 #define RTLLIB_STYPE_DEAUTH 0x00C0 370 #define RTLLIB_STYPE_MANAGE_ACT 0x00D0 371 372 /* control */ 373 #define RTLLIB_STYPE_PSPOLL 0x00A0 374 #define RTLLIB_STYPE_RTS 0x00B0 375 #define RTLLIB_STYPE_CTS 0x00C0 376 #define RTLLIB_STYPE_ACK 0x00D0 377 378 /* data */ 379 #define RTLLIB_STYPE_DATA 0x0000 380 #define RTLLIB_STYPE_DATA_CFACK 0x0010 381 #define RTLLIB_STYPE_DATA_CFPOLL 0x0020 382 #define RTLLIB_STYPE_DATA_CFACKPOLL 0x0030 383 #define RTLLIB_STYPE_NULLFUNC 0x0040 384 #define RTLLIB_STYPE_QOS_DATA 0x0080 385 #define RTLLIB_STYPE_QOS_NULL 0x00C0 386 387 #define RTLLIB_SCTL_FRAG 0x000F 388 #define RTLLIB_SCTL_SEQ 0xFFF0 389 390 /* QOS control */ 391 #define RTLLIB_QCTL_TID 0x000F 392 393 #define FC_QOS_BIT BIT7 394 #define IsDataFrame(pdu) (((pdu[0] & 0x0C) == 0x08) ? true : false) 395 #define IsLegacyDataFrame(pdu) (IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT))) 396 #define IsQoSDataFrame(pframe) \ 397 ((*(u16 *)pframe&(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) == \ 398 (RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) 399 #define Frame_Order(pframe) (*(u16 *)pframe&RTLLIB_FCTL_ORDER) 400 #define SN_LESS(a, b) (((a-b)&0x800) != 0) 401 #define SN_EQUAL(a, b) (a == b) 402 #define MAX_DEV_ADDR_SIZE 8 403 404 enum act_category { 405 ACT_CAT_QOS = 1, 406 ACT_CAT_DLS = 2, 407 ACT_CAT_BA = 3, 408 ACT_CAT_HT = 7, 409 ACT_CAT_WMM = 17, 410 }; 411 412 enum ba_action { 413 ACT_ADDBAREQ = 0, 414 ACT_ADDBARSP = 1, 415 ACT_DELBA = 2, 416 }; 417 418 enum init_gain_op_type { 419 IG_Backup = 0, 420 IG_Restore, 421 IG_Max 422 }; 423 424 enum led_ctl_mode { 425 LED_CTL_POWER_ON = 1, 426 LED_CTL_LINK = 2, 427 LED_CTL_NO_LINK = 3, 428 LED_CTL_TX = 4, 429 LED_CTL_RX = 5, 430 LED_CTL_SITE_SURVEY = 6, 431 LED_CTL_POWER_OFF = 7, 432 LED_CTL_START_TO_LINK = 8, 433 }; 434 435 enum wireless_mode { 436 WIRELESS_MODE_UNKNOWN = 0x00, 437 WIRELESS_MODE_A = 0x01, 438 WIRELESS_MODE_B = 0x02, 439 WIRELESS_MODE_G = 0x04, 440 WIRELESS_MODE_AUTO = 0x08, 441 WIRELESS_MODE_N_24G = 0x10, 442 WIRELESS_MODE_N_5G = 0x20 443 }; 444 445 #ifndef ETH_P_PAE 446 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 447 #define ETH_P_IP 0x0800 /* Internet Protocol packet */ 448 #define ETH_P_ARP 0x0806 /* Address Resolution packet */ 449 #endif /* ETH_P_PAE */ 450 451 #ifndef ETH_P_80211_RAW 452 #define ETH_P_80211_RAW (ETH_P_ECONET + 1) 453 #endif 454 455 /* IEEE 802.11 defines */ 456 457 #define P80211_OUI_LEN 3 458 459 struct rtllib_snap_hdr { 460 u8 dsap; /* always 0xAA */ 461 u8 ssap; /* always 0xAA */ 462 u8 ctrl; /* always 0x03 */ 463 u8 oui[P80211_OUI_LEN]; /* organizational universal id */ 464 465 } __packed; 466 467 enum _REG_PREAMBLE_MODE { 468 PREAMBLE_LONG = 1, 469 PREAMBLE_AUTO = 2, 470 PREAMBLE_SHORT = 3, 471 }; 472 473 #define SNAP_SIZE sizeof(struct rtllib_snap_hdr) 474 475 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTLLIB_FCTL_FTYPE) 476 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTLLIB_FCTL_STYPE) 477 #define WLAN_FC_MORE_DATA(fc) ((fc) & RTLLIB_FCTL_MOREDATA) 478 479 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & RTLLIB_FCTL_FRAMETYPE) 480 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG) 481 #define WLAN_GET_SEQ_SEQ(seq) (((seq) & RTLLIB_SCTL_SEQ) >> 4) 482 483 /* Authentication algorithms */ 484 #define WLAN_AUTH_OPEN 0 485 #define WLAN_AUTH_SHARED_KEY 1 486 #define WLAN_AUTH_LEAP 128 487 488 #define WLAN_CAPABILITY_ESS (1<<0) 489 #define WLAN_CAPABILITY_IBSS (1<<1) 490 #define WLAN_CAPABILITY_PRIVACY (1<<4) 491 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 492 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 493 494 #define RTLLIB_STATMASK_SIGNAL (1<<0) 495 #define RTLLIB_STATMASK_RSSI (1<<1) 496 #define RTLLIB_STATMASK_NOISE (1<<2) 497 #define RTLLIB_STATMASK_WEMASK 0x7 498 499 #define RTLLIB_CCK_MODULATION (1<<0) 500 #define RTLLIB_OFDM_MODULATION (1<<1) 501 502 #define RTLLIB_24GHZ_BAND (1<<0) 503 #define RTLLIB_52GHZ_BAND (1<<1) 504 505 #define RTLLIB_CCK_RATE_LEN 4 506 #define RTLLIB_CCK_RATE_1MB 0x02 507 #define RTLLIB_CCK_RATE_2MB 0x04 508 #define RTLLIB_CCK_RATE_5MB 0x0B 509 #define RTLLIB_CCK_RATE_11MB 0x16 510 #define RTLLIB_OFDM_RATE_LEN 8 511 #define RTLLIB_OFDM_RATE_6MB 0x0C 512 #define RTLLIB_OFDM_RATE_9MB 0x12 513 #define RTLLIB_OFDM_RATE_12MB 0x18 514 #define RTLLIB_OFDM_RATE_18MB 0x24 515 #define RTLLIB_OFDM_RATE_24MB 0x30 516 #define RTLLIB_OFDM_RATE_36MB 0x48 517 #define RTLLIB_OFDM_RATE_48MB 0x60 518 #define RTLLIB_OFDM_RATE_54MB 0x6C 519 #define RTLLIB_BASIC_RATE_MASK 0x80 520 521 /* this is stolen and modified from the madwifi driver*/ 522 #define RTLLIB_FC0_TYPE_MASK 0x0c 523 #define RTLLIB_FC0_TYPE_DATA 0x08 524 #define RTLLIB_FC0_SUBTYPE_MASK 0xB0 525 #define RTLLIB_FC0_SUBTYPE_QOS 0x80 526 527 #define RTLLIB_QOS_HAS_SEQ(fc) \ 528 (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \ 529 (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS)) 530 531 /* this is stolen from ipw2200 driver */ 532 #define IEEE_IBSS_MAC_HASH_SIZE 31 533 struct ieee_ibss_seq { 534 u8 mac[ETH_ALEN]; 535 u16 seq_num[17]; 536 u16 frag_num[17]; 537 unsigned long packet_time[17]; 538 struct list_head list; 539 }; 540 541 /* NOTE: This data is for statistical purposes; not all hardware provides this 542 * information for frames received. Not setting these will not cause 543 * any adverse affects. 544 */ 545 struct rtllib_rx_stats { 546 u64 mac_time; 547 s8 rssi; 548 u8 signal; 549 u8 noise; 550 u16 rate; /* in 100 kbps */ 551 u8 received_channel; 552 u8 control; 553 u8 mask; 554 u8 freq; 555 u16 len; 556 u64 tsf; 557 u32 beacon_time; 558 u8 nic_type; 559 u16 Length; 560 u8 SignalQuality; 561 s32 RecvSignalPower; 562 s8 RxPower; 563 u8 SignalStrength; 564 u16 bHwError:1; 565 u16 bCRC:1; 566 u16 bICV:1; 567 u16 bShortPreamble:1; 568 u16 Antenna:1; 569 u16 Decrypted:1; 570 u16 Wakeup:1; 571 u16 Reserved0:1; 572 u8 AGC; 573 u32 TimeStampLow; 574 u32 TimeStampHigh; 575 bool bShift; 576 bool bIsQosData; 577 578 u8 RxDrvInfoSize; 579 u8 RxBufShift; 580 bool bIsAMPDU; 581 bool bFirstMPDU; 582 bool bContainHTC; 583 bool RxIs40MHzPacket; 584 u32 RxPWDBAll; 585 u8 RxMIMOSignalStrength[4]; 586 s8 RxMIMOSignalQuality[2]; 587 bool bPacketMatchBSSID; 588 bool bIsCCK; 589 bool bPacketToSelf; 590 u16 packetlength; 591 u16 fraglength; 592 u16 fragoffset; 593 u16 ntotalfrag; 594 bool bPacketBeacon; 595 bool bToSelfBA; 596 u16 Seq_Num; 597 }; 598 599 /* IEEE 802.11 requires that STA supports concurrent reception of at least 600 * three fragmented frames. This define can be increased to support more 601 * concurrent frames, but it should be noted that each entry can consume about 602 * 2 kB of RAM and increasing cache size will slow down frame reassembly. 603 */ 604 #define RTLLIB_FRAG_CACHE_LEN 4 605 606 struct rtllib_frag_entry { 607 unsigned long first_frag_time; 608 unsigned int seq; 609 unsigned int last_frag; 610 struct sk_buff *skb; 611 u8 src_addr[ETH_ALEN]; 612 u8 dst_addr[ETH_ALEN]; 613 }; 614 615 struct rtllib_device; 616 617 #define SEC_ACTIVE_KEY (1<<4) 618 #define SEC_AUTH_MODE (1<<5) 619 #define SEC_UNICAST_GROUP (1<<6) 620 #define SEC_LEVEL (1<<7) 621 #define SEC_ENABLED (1<<8) 622 623 #define SEC_LEVEL_0 0 /* None */ 624 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ 625 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ 626 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ 627 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ 628 629 #define SEC_ALG_NONE 0 630 #define SEC_ALG_WEP 1 631 #define SEC_ALG_TKIP 2 632 #define SEC_ALG_CCMP 4 633 634 #define WEP_KEY_LEN 13 635 #define SCM_KEY_LEN 32 636 637 struct rtllib_security { 638 u16 active_key:2, 639 enabled:1, 640 auth_mode:2, 641 auth_algo:4, 642 unicast_uses_group:1, 643 encrypt:1; 644 u8 key_sizes[NUM_WEP_KEYS]; 645 u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN]; 646 u8 level; 647 u16 flags; 648 } __packed; 649 650 /* 802.11 data frame from AP 651 * ,-------------------------------------------------------------------. 652 * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | 653 * |------|------|---------|---------|---------|------|---------|------| 654 * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | 655 * | | tion | (BSSID) | | | ence | data | | 656 * `-------------------------------------------------------------------' 657 * Total: 28-2340 bytes 658 */ 659 660 /* Management Frame Information Element Types */ 661 enum rtllib_mfie { 662 MFIE_TYPE_SSID = 0, 663 MFIE_TYPE_RATES = 1, 664 MFIE_TYPE_FH_SET = 2, 665 MFIE_TYPE_DS_SET = 3, 666 MFIE_TYPE_CF_SET = 4, 667 MFIE_TYPE_TIM = 5, 668 MFIE_TYPE_IBSS_SET = 6, 669 MFIE_TYPE_COUNTRY = 7, 670 MFIE_TYPE_HOP_PARAMS = 8, 671 MFIE_TYPE_HOP_TABLE = 9, 672 MFIE_TYPE_REQUEST = 10, 673 MFIE_TYPE_CHALLENGE = 16, 674 MFIE_TYPE_POWER_CONSTRAINT = 32, 675 MFIE_TYPE_POWER_CAPABILITY = 33, 676 MFIE_TYPE_TPC_REQUEST = 34, 677 MFIE_TYPE_TPC_REPORT = 35, 678 MFIE_TYPE_SUPP_CHANNELS = 36, 679 MFIE_TYPE_CSA = 37, 680 MFIE_TYPE_MEASURE_REQUEST = 38, 681 MFIE_TYPE_MEASURE_REPORT = 39, 682 MFIE_TYPE_QUIET = 40, 683 MFIE_TYPE_IBSS_DFS = 41, 684 MFIE_TYPE_ERP = 42, 685 MFIE_TYPE_HT_CAP = 45, 686 MFIE_TYPE_RSN = 48, 687 MFIE_TYPE_RATES_EX = 50, 688 MFIE_TYPE_HT_INFO = 61, 689 MFIE_TYPE_AIRONET = 133, 690 MFIE_TYPE_GENERIC = 221, 691 MFIE_TYPE_QOS_PARAMETER = 222, 692 }; 693 694 /* Minimal header; can be used for passing 802.11 frames with sufficient 695 * information to determine what type of underlying data type is actually 696 * stored in the data. 697 */ 698 struct rtllib_pspoll_hdr { 699 __le16 frame_ctl; 700 __le16 aid; 701 u8 bssid[ETH_ALEN]; 702 u8 ta[ETH_ALEN]; 703 } __packed; 704 705 struct rtllib_hdr { 706 __le16 frame_ctl; 707 __le16 duration_id; 708 u8 payload[]; 709 } __packed; 710 711 struct rtllib_hdr_1addr { 712 __le16 frame_ctl; 713 __le16 duration_id; 714 u8 addr1[ETH_ALEN]; 715 u8 payload[]; 716 } __packed; 717 718 struct rtllib_hdr_2addr { 719 __le16 frame_ctl; 720 __le16 duration_id; 721 u8 addr1[ETH_ALEN]; 722 u8 addr2[ETH_ALEN]; 723 u8 payload[]; 724 } __packed; 725 726 struct rtllib_hdr_3addr { 727 __le16 frame_ctl; 728 __le16 duration_id; 729 u8 addr1[ETH_ALEN]; 730 u8 addr2[ETH_ALEN]; 731 u8 addr3[ETH_ALEN]; 732 __le16 seq_ctl; 733 u8 payload[]; 734 } __packed; 735 736 struct rtllib_hdr_4addr { 737 __le16 frame_ctl; 738 __le16 duration_id; 739 u8 addr1[ETH_ALEN]; 740 u8 addr2[ETH_ALEN]; 741 u8 addr3[ETH_ALEN]; 742 __le16 seq_ctl; 743 u8 addr4[ETH_ALEN]; 744 u8 payload[]; 745 } __packed; 746 747 struct rtllib_hdr_3addrqos { 748 __le16 frame_ctl; 749 __le16 duration_id; 750 u8 addr1[ETH_ALEN]; 751 u8 addr2[ETH_ALEN]; 752 u8 addr3[ETH_ALEN]; 753 __le16 seq_ctl; 754 __le16 qos_ctl; 755 u8 payload[]; 756 } __packed; 757 758 struct rtllib_hdr_4addrqos { 759 __le16 frame_ctl; 760 __le16 duration_id; 761 u8 addr1[ETH_ALEN]; 762 u8 addr2[ETH_ALEN]; 763 u8 addr3[ETH_ALEN]; 764 __le16 seq_ctl; 765 u8 addr4[ETH_ALEN]; 766 __le16 qos_ctl; 767 u8 payload[]; 768 } __packed; 769 770 struct rtllib_info_element { 771 u8 id; 772 u8 len; 773 u8 data[]; 774 } __packed; 775 776 struct rtllib_authentication { 777 struct rtllib_hdr_3addr header; 778 __le16 algorithm; 779 __le16 transaction; 780 __le16 status; 781 /*challenge*/ 782 struct rtllib_info_element info_element[]; 783 } __packed; 784 785 struct rtllib_disauth { 786 struct rtllib_hdr_3addr header; 787 __le16 reason; 788 } __packed; 789 790 struct rtllib_disassoc { 791 struct rtllib_hdr_3addr header; 792 __le16 reason; 793 } __packed; 794 795 struct rtllib_probe_request { 796 struct rtllib_hdr_3addr header; 797 /* SSID, supported rates */ 798 struct rtllib_info_element info_element[]; 799 } __packed; 800 801 struct rtllib_probe_response { 802 struct rtllib_hdr_3addr header; 803 u32 time_stamp[2]; 804 __le16 beacon_interval; 805 __le16 capability; 806 /* SSID, supported rates, FH params, DS params, 807 * CF params, IBSS params, TIM (if beacon), RSN 808 */ 809 struct rtllib_info_element info_element[]; 810 } __packed; 811 812 /* Alias beacon for probe_response */ 813 #define rtllib_beacon rtllib_probe_response 814 815 struct rtllib_assoc_request_frame { 816 struct rtllib_hdr_3addr header; 817 __le16 capability; 818 __le16 listen_interval; 819 /* SSID, supported rates, RSN */ 820 struct rtllib_info_element info_element[]; 821 } __packed; 822 823 struct rtllib_assoc_response_frame { 824 struct rtllib_hdr_3addr header; 825 __le16 capability; 826 __le16 status; 827 __le16 aid; 828 struct rtllib_info_element info_element[]; /* supported rates */ 829 } __packed; 830 831 struct rtllib_txb { 832 u8 nr_frags; 833 u8 encrypted; 834 u8 queue_index; 835 u8 rts_included; 836 u16 reserved; 837 __le16 frag_size; 838 __le16 payload_size; 839 struct sk_buff *fragments[]; 840 }; 841 842 #define MAX_SUBFRAME_COUNT 64 843 struct rtllib_rxb { 844 u8 nr_subframes; 845 struct sk_buff *subframes[MAX_SUBFRAME_COUNT]; 846 u8 dst[ETH_ALEN]; 847 u8 src[ETH_ALEN]; 848 } __packed; 849 850 union frameqos { 851 u16 shortdata; 852 u8 chardata[2]; 853 struct { 854 u16 tid:4; 855 u16 eosp:1; 856 u16 ack_policy:2; 857 u16 reserved:1; 858 u16 txop:8; 859 } field; 860 }; 861 862 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs 863 * only use 8, and then use extended rates for the remaining supported 864 * rates. Other APs, however, stick all of their supported rates on the 865 * main rates information element... 866 */ 867 #define MAX_RATES_LENGTH ((u8)12) 868 #define MAX_RATES_EX_LENGTH ((u8)16) 869 #define MAX_NETWORK_COUNT 96 870 871 #define MAX_CHANNEL_NUMBER 161 872 #define RTLLIB_SOFTMAC_SCAN_TIME 100 873 #define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) 874 875 #define MAX_WPA_IE_LEN 64 876 #define MAX_WZC_IE_LEN 256 877 878 #define NETWORK_EMPTY_ESSID (1<<0) 879 #define NETWORK_HAS_OFDM (1<<1) 880 #define NETWORK_HAS_CCK (1<<2) 881 882 /* QoS structure */ 883 #define NETWORK_HAS_QOS_PARAMETERS (1<<3) 884 #define NETWORK_HAS_QOS_INFORMATION (1<<4) 885 #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \ 886 NETWORK_HAS_QOS_INFORMATION) 887 /* 802.11h */ 888 #define NETWORK_HAS_ERP_VALUE (1<<10) 889 890 #define QOS_QUEUE_NUM 4 891 #define QOS_OUI_LEN 3 892 #define QOS_OUI_TYPE 2 893 #define QOS_ELEMENT_ID 221 894 #define QOS_OUI_INFO_SUB_TYPE 0 895 #define QOS_OUI_PARAM_SUB_TYPE 1 896 #define QOS_VERSION_1 1 897 898 struct rtllib_qos_information_element { 899 u8 elementID; 900 u8 length; 901 u8 qui[QOS_OUI_LEN]; 902 u8 qui_type; 903 u8 qui_subtype; 904 u8 version; 905 u8 ac_info; 906 } __packed; 907 908 struct rtllib_qos_ac_parameter { 909 u8 aci_aifsn; 910 u8 ecw_min_max; 911 __le16 tx_op_limit; 912 } __packed; 913 914 struct rtllib_qos_parameter_info { 915 struct rtllib_qos_information_element info_element; 916 u8 reserved; 917 struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; 918 } __packed; 919 920 struct rtllib_qos_parameters { 921 __le16 cw_min[QOS_QUEUE_NUM]; 922 __le16 cw_max[QOS_QUEUE_NUM]; 923 u8 aifs[QOS_QUEUE_NUM]; 924 u8 flag[QOS_QUEUE_NUM]; 925 __le16 tx_op_limit[QOS_QUEUE_NUM]; 926 } __packed; 927 928 struct rtllib_qos_data { 929 struct rtllib_qos_parameters parameters; 930 unsigned int wmm_acm; 931 int active; 932 int supported; 933 u8 param_count; 934 u8 old_param_count; 935 }; 936 937 struct rtllib_tim_parameters { 938 u8 tim_count; 939 u8 tim_period; 940 } __packed; 941 942 struct rtllib_wmm_ac_param { 943 u8 ac_aci_acm_aifsn; 944 u8 ac_ecwmin_ecwmax; 945 u16 ac_txop_limit; 946 }; 947 948 enum eap_type { 949 EAP_PACKET = 0, 950 EAPOL_START, 951 EAPOL_LOGOFF, 952 EAPOL_KEY, 953 EAPOL_ENCAP_ASF_ALERT 954 }; 955 956 static const char * const eap_types[] = { 957 [EAP_PACKET] = "EAP-Packet", 958 [EAPOL_START] = "EAPOL-Start", 959 [EAPOL_LOGOFF] = "EAPOL-Logoff", 960 [EAPOL_KEY] = "EAPOL-Key", 961 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert" 962 }; 963 964 static inline const char *eap_get_type(int type) 965 { 966 return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : 967 eap_types[type]; 968 } 969 970 static inline u8 Frame_QoSTID(u8 *buf) 971 { 972 struct rtllib_hdr_3addr *hdr; 973 u16 fc; 974 975 hdr = (struct rtllib_hdr_3addr *)buf; 976 fc = le16_to_cpu(hdr->frame_ctl); 977 return (u8)((union frameqos *)(buf + (((fc & RTLLIB_FCTL_TODS) && 978 (fc & RTLLIB_FCTL_FROMDS)) ? 30 : 24)))->field.tid; 979 } 980 981 struct eapol { 982 u8 snap[6]; 983 u16 ethertype; 984 u8 version; 985 u8 type; 986 u16 length; 987 } __packed; 988 989 struct rtllib_softmac_stats { 990 unsigned int rx_ass_ok; 991 unsigned int rx_ass_err; 992 unsigned int rx_probe_rq; 993 unsigned int tx_probe_rs; 994 unsigned int tx_beacons; 995 unsigned int rx_auth_rq; 996 unsigned int rx_auth_rs_ok; 997 unsigned int rx_auth_rs_err; 998 unsigned int tx_auth_rq; 999 unsigned int no_auth_rs; 1000 unsigned int no_ass_rs; 1001 unsigned int tx_ass_rq; 1002 unsigned int rx_ass_rq; 1003 unsigned int tx_probe_rq; 1004 unsigned int reassoc; 1005 unsigned int swtxstop; 1006 unsigned int swtxawake; 1007 unsigned char CurrentShowTxate; 1008 unsigned char last_packet_rate; 1009 unsigned int txretrycount; 1010 }; 1011 1012 /* These are the data types that can make up management packets 1013 * 1014 * u16 auth_algorithm; 1015 * u16 auth_sequence; 1016 * u16 beacon_interval; 1017 * u16 capability; 1018 * u8 current_ap[ETH_ALEN]; 1019 * u16 listen_interval; 1020 * struct { 1021 * u16 association_id:14, reserved:2; 1022 * } __packed; 1023 * u32 time_stamp[2]; 1024 * u16 reason; 1025 * u16 status; 1026 */ 1027 1028 #define RTLLIB_DEFAULT_TX_ESSID "Penguin" 1029 #define RTLLIB_DEFAULT_BASIC_RATE 2 1030 1031 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame}; 1032 #define MAX_SP_Len (WMM_all_frame << 4) 1033 #define RTLLIB_QOS_TID 0x0f 1034 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5) 1035 1036 #define RTLLIB_DTIM_MBCAST 4 1037 #define RTLLIB_DTIM_UCAST 2 1038 #define RTLLIB_DTIM_VALID 1 1039 #define RTLLIB_DTIM_INVALID 0 1040 1041 #define RTLLIB_PS_DISABLED 0 1042 #define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST 1043 #define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST 1044 1045 #define WME_AC_BK 0x00 1046 #define WME_AC_BE 0x01 1047 #define WME_AC_VI 0x02 1048 #define WME_AC_VO 0x03 1049 #define WME_AC_PRAM_LEN 16 1050 1051 #define MAX_RECEIVE_BUFFER_SIZE 9100 1052 1053 #define UP2AC(up) ( \ 1054 ((up) < 1) ? WME_AC_BE : \ 1055 ((up) < 3) ? WME_AC_BK : \ 1056 ((up) < 4) ? WME_AC_BE : \ 1057 ((up) < 6) ? WME_AC_VI : \ 1058 WME_AC_VO) 1059 1060 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */ 1061 #define ETHERNET_HEADER_SIZE 14 /* length of two Ethernet address 1062 * plus ether type 1063 */ 1064 1065 enum erp_t { 1066 ERP_NonERPpresent = 0x01, 1067 ERP_UseProtection = 0x02, 1068 ERP_BarkerPreambleMode = 0x04, 1069 }; 1070 1071 struct rtllib_network { 1072 /* These entries are used to identify a unique network */ 1073 u8 bssid[ETH_ALEN]; 1074 u8 channel; 1075 /* Ensure null-terminated for any debug msgs */ 1076 u8 ssid[IW_ESSID_MAX_SIZE + 1]; 1077 u8 ssid_len; 1078 u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1]; 1079 u8 hidden_ssid_len; 1080 struct rtllib_qos_data qos_data; 1081 1082 bool bWithAironetIE; 1083 bool bCkipSupported; 1084 bool bCcxRmEnable; 1085 u8 CcxRmState[2]; 1086 bool bMBssidValid; 1087 u8 MBssidMask; 1088 u8 MBssid[ETH_ALEN]; 1089 bool bWithCcxVerNum; 1090 u8 BssCcxVerNumber; 1091 /* These are network statistics */ 1092 struct rtllib_rx_stats stats; 1093 u16 capability; 1094 u8 rates[MAX_RATES_LENGTH]; 1095 u8 rates_len; 1096 u8 rates_ex[MAX_RATES_EX_LENGTH]; 1097 u8 rates_ex_len; 1098 unsigned long last_scanned; 1099 u8 mode; 1100 u32 flags; 1101 u32 time_stamp[2]; 1102 u16 beacon_interval; 1103 u16 listen_interval; 1104 u16 atim_window; 1105 u8 erp_value; 1106 u8 wpa_ie[MAX_WPA_IE_LEN]; 1107 size_t wpa_ie_len; 1108 u8 rsn_ie[MAX_WPA_IE_LEN]; 1109 size_t rsn_ie_len; 1110 u8 wzc_ie[MAX_WZC_IE_LEN]; 1111 size_t wzc_ie_len; 1112 1113 struct rtllib_tim_parameters tim; 1114 u8 dtim_period; 1115 u8 dtim_data; 1116 u64 last_dtim_sta_time; 1117 1118 u8 wmm_info; 1119 struct rtllib_wmm_ac_param wmm_param[4]; 1120 u8 Turbo_Enable; 1121 u16 CountryIeLen; 1122 u8 CountryIeBuf[MAX_IE_LEN]; 1123 struct bss_ht bssht; 1124 bool broadcom_cap_exist; 1125 bool realtek_cap_exit; 1126 bool marvell_cap_exist; 1127 bool ralink_cap_exist; 1128 bool atheros_cap_exist; 1129 bool cisco_cap_exist; 1130 bool airgo_cap_exist; 1131 bool unknown_cap_exist; 1132 bool berp_info_valid; 1133 bool buseprotection; 1134 u8 SignalStrength; 1135 u8 RSSI; 1136 struct list_head list; 1137 }; 1138 1139 enum rtllib_state { 1140 1141 /* the card is not linked at all */ 1142 RTLLIB_NOLINK = 0, 1143 1144 /* RTLLIB_ASSOCIATING* are for BSS client mode 1145 * the driver shall not perform RX filtering unless 1146 * the state is LINKED. 1147 * The driver shall just check for the state LINKED and 1148 * defaults to NOLINK for ALL the other states (including 1149 * LINKED_SCANNING) 1150 */ 1151 1152 /* the association procedure will start (wq scheduling)*/ 1153 RTLLIB_ASSOCIATING, 1154 RTLLIB_ASSOCIATING_RETRY, 1155 1156 /* the association procedure is sending AUTH request*/ 1157 RTLLIB_ASSOCIATING_AUTHENTICATING, 1158 1159 /* the association procedure has successfully authenticated 1160 * and is sending association request 1161 */ 1162 RTLLIB_ASSOCIATING_AUTHENTICATED, 1163 1164 /* the link is ok. the card associated to a BSS or linked 1165 * to a ibss cell or acting as an AP and creating the bss 1166 */ 1167 RTLLIB_LINKED, 1168 1169 /* same as LINKED, but the driver shall apply RX filter 1170 * rules as we are in NO_LINK mode. As the card is still 1171 * logically linked, but it is doing a syncro site survey 1172 * then it will be back to LINKED state. 1173 */ 1174 RTLLIB_LINKED_SCANNING, 1175 }; 1176 1177 #define DEFAULT_MAX_SCAN_AGE (15 * HZ) 1178 #define DEFAULT_FTS 2346 1179 1180 #define CFG_RTLLIB_RESERVE_FCS (1<<0) 1181 #define CFG_RTLLIB_COMPUTE_FCS (1<<1) 1182 1183 struct tx_pending { 1184 int frag; 1185 struct rtllib_txb *txb; 1186 }; 1187 1188 struct bandwidth_autoswitch { 1189 long threshold_20Mhzto40Mhz; 1190 long threshold_40Mhzto20Mhz; 1191 bool bforced_tx20Mhz; 1192 bool bautoswitch_enable; 1193 }; 1194 1195 #define REORDER_WIN_SIZE 128 1196 #define REORDER_ENTRY_NUM 128 1197 struct rx_reorder_entry { 1198 struct list_head List; 1199 u16 SeqNum; 1200 struct rtllib_rxb *prxb; 1201 }; 1202 1203 enum fsync_state { 1204 Default_Fsync, 1205 HW_Fsync, 1206 SW_Fsync 1207 }; 1208 1209 enum rt_ps_mode { 1210 eActive, 1211 eMaxPs, 1212 eFastPs, 1213 eAutoPs, 1214 }; 1215 1216 enum ips_callback_function { 1217 IPS_CALLBACK_NONE = 0, 1218 IPS_CALLBACK_MGNT_LINK_REQUEST = 1, 1219 IPS_CALLBACK_JOIN_REQUEST = 2, 1220 }; 1221 1222 enum rt_rf_power_state { 1223 rf_on, 1224 rf_sleep, 1225 rf_off 1226 }; 1227 1228 struct rt_pwr_save_ctrl { 1229 bool bSwRfProcessing; 1230 enum rt_rf_power_state eInactivePowerState; 1231 enum ips_callback_function ReturnPoint; 1232 1233 bool bLeisurePs; 1234 u8 LpsIdleCount; 1235 u8 reg_max_lps_awake_intvl; 1236 u8 LPSAwakeIntvl; 1237 1238 u32 CurPsLevel; 1239 }; 1240 1241 #define RT_RF_CHANGE_SOURCE u32 1242 1243 #define RF_CHANGE_BY_SW BIT31 1244 #define RF_CHANGE_BY_HW BIT30 1245 #define RF_CHANGE_BY_PS BIT29 1246 #define RF_CHANGE_BY_IPS BIT28 1247 #define RF_CHANGE_BY_INIT 0 1248 1249 enum country_code_type { 1250 COUNTRY_CODE_FCC = 0, 1251 COUNTRY_CODE_IC = 1, 1252 COUNTRY_CODE_ETSI = 2, 1253 COUNTRY_CODE_SPAIN = 3, 1254 COUNTRY_CODE_FRANCE = 4, 1255 COUNTRY_CODE_MKK = 5, 1256 COUNTRY_CODE_MKK1 = 6, 1257 COUNTRY_CODE_ISRAEL = 7, 1258 COUNTRY_CODE_TELEC = 8, 1259 COUNTRY_CODE_MIC = 9, 1260 COUNTRY_CODE_GLOBAL_DOMAIN = 10, 1261 COUNTRY_CODE_WORLD_WIDE_13 = 11, 1262 COUNTRY_CODE_TELEC_NETGEAR = 12, 1263 COUNTRY_CODE_MAX 1264 }; 1265 1266 enum scan_op_backup_opt { 1267 SCAN_OPT_BACKUP = 0, 1268 SCAN_OPT_RESTORE, 1269 SCAN_OPT_MAX 1270 }; 1271 1272 enum fw_cmd_io_type { 1273 FW_CMD_DIG_ENABLE = 0, 1274 FW_CMD_DIG_DISABLE = 1, 1275 FW_CMD_DIG_HALT = 2, 1276 FW_CMD_DIG_RESUME = 3, 1277 FW_CMD_HIGH_PWR_ENABLE = 4, 1278 FW_CMD_HIGH_PWR_DISABLE = 5, 1279 FW_CMD_RA_RESET = 6, 1280 FW_CMD_RA_ACTIVE = 7, 1281 FW_CMD_RA_REFRESH_N = 8, 1282 FW_CMD_RA_REFRESH_BG = 9, 1283 FW_CMD_RA_INIT = 10, 1284 FW_CMD_IQK_ENABLE = 11, 1285 FW_CMD_TXPWR_TRACK_ENABLE = 12, 1286 FW_CMD_TXPWR_TRACK_DISABLE = 13, 1287 FW_CMD_TXPWR_TRACK_THERMAL = 14, 1288 FW_CMD_PAUSE_DM_BY_SCAN = 15, 1289 FW_CMD_RESUME_DM_BY_SCAN = 16, 1290 FW_CMD_RA_REFRESH_N_COMB = 17, 1291 FW_CMD_RA_REFRESH_BG_COMB = 18, 1292 FW_CMD_ANTENNA_SW_ENABLE = 19, 1293 FW_CMD_ANTENNA_SW_DISABLE = 20, 1294 FW_CMD_TX_FEEDBACK_CCX_ENABLE = 21, 1295 FW_CMD_LPS_ENTER = 22, 1296 FW_CMD_LPS_LEAVE = 23, 1297 }; 1298 1299 #define RT_MAX_LD_SLOT_NUM 10 1300 struct rt_link_detect { 1301 1302 u32 NumRecvBcnInPeriod; 1303 u32 NumRecvDataInPeriod; 1304 1305 u32 RxBcnNum[RT_MAX_LD_SLOT_NUM]; 1306 u32 RxDataNum[RT_MAX_LD_SLOT_NUM]; 1307 u16 SlotNum; 1308 u16 SlotIndex; 1309 1310 u32 NumTxOkInPeriod; 1311 u32 NumRxOkInPeriod; 1312 u32 NumRxUnicastOkInPeriod; 1313 bool bBusyTraffic; 1314 bool bHigherBusyTraffic; 1315 bool bHigherBusyRxTraffic; 1316 }; 1317 1318 struct sw_cam_table { 1319 1320 u8 macaddr[ETH_ALEN]; 1321 bool bused; 1322 u8 key_buf[16]; 1323 u16 key_type; 1324 u8 useDK; 1325 u8 key_index; 1326 1327 }; 1328 1329 #define TOTAL_CAM_ENTRY 32 1330 struct rate_adaptive { 1331 u8 rate_adaptive_disabled; 1332 u8 ratr_state; 1333 u16 reserve; 1334 1335 u32 high_rssi_thresh_for_ra; 1336 u32 high2low_rssi_thresh_for_ra; 1337 u8 low2high_rssi_thresh_for_ra40M; 1338 u32 low_rssi_thresh_for_ra40M; 1339 u8 low2high_rssi_thresh_for_ra20M; 1340 u32 low_rssi_thresh_for_ra20M; 1341 u32 upper_rssi_threshold_ratr; 1342 u32 middle_rssi_threshold_ratr; 1343 u32 low_rssi_threshold_ratr; 1344 u32 low_rssi_threshold_ratr_40M; 1345 u32 low_rssi_threshold_ratr_20M; 1346 u8 ping_rssi_enable; 1347 u32 ping_rssi_ratr; 1348 u32 ping_rssi_thresh_for_ra; 1349 u32 last_ratr; 1350 u8 PreRATRState; 1351 1352 }; 1353 1354 #define NUM_PMKID_CACHE 16 1355 struct rt_pmkid_list { 1356 u8 Bssid[ETH_ALEN]; 1357 u8 PMKID[16]; 1358 u8 SsidBuf[33]; 1359 u8 bUsed; 1360 }; 1361 1362 struct rt_intel_promisc_mode { 1363 bool promiscuous_on; 1364 bool fltr_src_sta_frame; 1365 }; 1366 1367 /*************** DRIVER STATUS *****/ 1368 #define STATUS_SCANNING 0 1369 /*************** DRIVER STATUS *****/ 1370 1371 enum { 1372 LPS_IS_WAKE = 0, 1373 LPS_IS_SLEEP = 1, 1374 LPS_WAIT_NULL_DATA_SEND = 2, 1375 }; 1376 1377 struct rtllib_device { 1378 struct pci_dev *pdev; 1379 struct net_device *dev; 1380 struct rtllib_security sec; 1381 1382 bool disable_mgnt_queue; 1383 1384 unsigned long status; 1385 u8 CntAfterLink; 1386 1387 enum rt_op_mode OpMode; 1388 1389 /* The last AssocReq/Resp IEs */ 1390 u8 *assocreq_ies, *assocresp_ies; 1391 size_t assocreq_ies_len, assocresp_ies_len; 1392 1393 bool bForcedBgMode; 1394 1395 u8 hwsec_active; 1396 bool is_silent_reset; 1397 bool is_roaming; 1398 bool ieee_up; 1399 bool cannot_notify; 1400 bool bSupportRemoteWakeUp; 1401 bool actscanning; 1402 bool FirstIe_InScan; 1403 bool be_scan_inprogress; 1404 bool beinretry; 1405 enum rt_rf_power_state rf_power_state; 1406 RT_RF_CHANGE_SOURCE rf_off_reason; 1407 bool is_set_key; 1408 bool wx_set_enc; 1409 struct rt_hi_throughput *ht_info; 1410 1411 spinlock_t reorder_spinlock; 1412 u8 reg_dot11ht_oper_rate_set[16]; 1413 u8 reg_dot11tx_ht_oper_rate_set[16]; 1414 u8 dot11ht_oper_rate_set[16]; 1415 u8 reg_ht_supp_rate_set[16]; 1416 u8 HTCurrentOperaRate; 1417 u8 HTHighestOperaRate; 1418 u8 tx_dis_rate_fallback; 1419 u8 tx_use_drv_assinged_rate; 1420 u8 bTxEnableFwCalcDur; 1421 atomic_t atm_swbw; 1422 1423 struct list_head Tx_TS_Admit_List; 1424 struct list_head Tx_TS_Pending_List; 1425 struct list_head Tx_TS_Unused_List; 1426 struct tx_ts_record TxTsRecord[TOTAL_TS_NUM]; 1427 struct list_head Rx_TS_Admit_List; 1428 struct list_head Rx_TS_Pending_List; 1429 struct list_head Rx_TS_Unused_List; 1430 struct rx_ts_record RxTsRecord[TOTAL_TS_NUM]; 1431 struct rx_reorder_entry RxReorderEntry[128]; 1432 struct list_head RxReorder_Unused_List; 1433 1434 /* Bookkeeping structures */ 1435 struct net_device_stats stats; 1436 struct rtllib_softmac_stats softmac_stats; 1437 1438 /* Probe / Beacon management */ 1439 struct list_head network_free_list; 1440 struct list_head network_list; 1441 struct rtllib_network *networks; 1442 int scans; 1443 int scan_age; 1444 1445 int iw_mode; /* operating mode (IW_MODE_*) */ 1446 bool net_promiscuous_md; 1447 struct rt_intel_promisc_mode intel_promiscuous_md_info; 1448 1449 spinlock_t lock; 1450 spinlock_t wpax_suitlist_lock; 1451 1452 int tx_headroom; /* Set to size of any additional room needed at front 1453 * of allocated Tx SKBs 1454 */ 1455 u32 config; 1456 1457 /* WEP and other encryption related settings at the device level */ 1458 int open_wep; /* Set to 1 to allow unencrypted frames */ 1459 int auth_mode; 1460 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on 1461 * WEP key changes 1462 */ 1463 1464 /* If the host performs {en,de}cryption, then set to 1 */ 1465 int host_encrypt; 1466 int host_decrypt; 1467 1468 int ieee802_1x; /* is IEEE 802.1X used */ 1469 1470 /* WPA data */ 1471 bool bHalfWirelessN24GMode; 1472 int wpa_enabled; 1473 int drop_unencrypted; 1474 int tkip_countermeasures; 1475 int privacy_invoked; 1476 size_t wpa_ie_len; 1477 u8 *wpa_ie; 1478 size_t wps_ie_len; 1479 u8 *wps_ie; 1480 u8 ap_mac_addr[ETH_ALEN]; 1481 u16 pairwise_key_type; 1482 u16 group_key_type; 1483 1484 struct lib80211_crypt_info crypt_info; 1485 1486 struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY]; 1487 1488 struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE]; 1489 1490 /* Fragmentation structures */ 1491 struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN]; 1492 unsigned int frag_next_idx[17]; 1493 u16 fts; /* Fragmentation Threshold */ 1494 #define DEFAULT_RTS_THRESHOLD 2346U 1495 #define MIN_RTS_THRESHOLD 1 1496 #define MAX_RTS_THRESHOLD 2346U 1497 u16 rts; /* RTS threshold */ 1498 1499 /* Association info */ 1500 u8 bssid[ETH_ALEN]; 1501 1502 /* This stores infos for the current network. 1503 * Either the network we are associated in INFRASTRUCTURE 1504 * or the network that we are creating in MASTER mode. 1505 * ad-hoc is a mixture ;-). 1506 * Note that in infrastructure mode, even when not associated, 1507 * fields bssid and essid may be valid (if wpa_set and essid_set 1508 * are true) as thy carry the value set by the user via iwconfig 1509 */ 1510 struct rtllib_network current_network; 1511 1512 enum rtllib_state state; 1513 1514 int short_slot; 1515 int mode; /* A, B, G */ 1516 int modulation; /* CCK, OFDM */ 1517 1518 /* used for forcing the ibss workqueue to terminate 1519 * without wait for the syncro scan to terminate 1520 */ 1521 short sync_scan_hurryup; 1522 u16 scan_watch_dog; 1523 1524 /* map of allowed channels. 0 is dummy */ 1525 void *dot11d_info; 1526 bool global_domain; 1527 u8 active_channel_map[MAX_CHANNEL_NUMBER+1]; 1528 1529 u8 bss_start_channel; 1530 u8 ibss_maxjoin_chal; 1531 1532 int rate; /* current rate */ 1533 int basic_rate; 1534 1535 short active_scan; 1536 1537 /* this contains flags for selectively enable softmac support */ 1538 u16 softmac_features; 1539 1540 /* if the sequence control field is not filled by HW */ 1541 u16 seq_ctrl[5]; 1542 1543 /* association procedure transaction sequence number */ 1544 u16 associate_seq; 1545 1546 /* AID for RTXed association responses */ 1547 u16 assoc_id; 1548 1549 /* power save mode related*/ 1550 u8 ack_tx_to_ieee; 1551 short ps; 1552 short sta_sleep; 1553 int ps_timeout; 1554 int ps_period; 1555 struct work_struct ps_task; 1556 u64 ps_time; 1557 bool polling; 1558 1559 short raw_tx; 1560 /* used if IEEE_SOFTMAC_TX_QUEUE is set */ 1561 short queue_stop; 1562 short scanning_continue; 1563 short proto_started; 1564 short proto_stoppping; 1565 1566 struct mutex wx_mutex; 1567 struct mutex scan_mutex; 1568 struct mutex ips_mutex; 1569 1570 spinlock_t mgmt_tx_lock; 1571 spinlock_t beacon_lock; 1572 1573 short beacon_txing; 1574 1575 short wap_set; 1576 short ssid_set; 1577 1578 /* set on initialization */ 1579 unsigned int wmm_acm; 1580 1581 /* for discarding duplicated packets in IBSS */ 1582 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE]; 1583 1584 /* for discarding duplicated packets in BSS */ 1585 u16 last_rxseq_num[17]; /* rx seq previous per-tid */ 1586 u16 last_rxfrag_num[17];/* tx frag previous per-tid */ 1587 unsigned long last_packet_time[17]; 1588 1589 /* for PS mode */ 1590 unsigned long last_rx_ps_time; 1591 bool bAwakePktSent; 1592 u8 LPSDelayCnt; 1593 1594 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */ 1595 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM]; 1596 int mgmt_queue_head; 1597 int mgmt_queue_tail; 1598 u8 AsocRetryCount; 1599 struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE]; 1600 1601 bool bdynamic_txpower_enable; 1602 1603 bool bCTSToSelfEnable; 1604 1605 u32 fsync_time_interval; 1606 u32 fsync_rate_bitmap; 1607 u8 fsync_rssi_threshold; 1608 bool bfsync_enable; 1609 1610 u8 fsync_multiple_timeinterval; 1611 u32 fsync_firstdiff_ratethreshold; 1612 u32 fsync_seconddiff_ratethreshold; 1613 enum fsync_state fsync_state; 1614 bool bis_any_nonbepkts; 1615 struct bandwidth_autoswitch bandwidth_auto_switch; 1616 bool FwRWRF; 1617 1618 struct rt_link_detect link_detect_info; 1619 bool bIsAggregateFrame; 1620 struct rt_pwr_save_ctrl pwr_save_ctrl; 1621 1622 /* used if IEEE_SOFTMAC_TX_QUEUE is set */ 1623 struct tx_pending tx_pending; 1624 1625 /* used if IEEE_SOFTMAC_ASSOCIATE is set */ 1626 struct timer_list associate_timer; 1627 1628 /* used if IEEE_SOFTMAC_BEACONS is set */ 1629 struct timer_list beacon_timer; 1630 u8 need_sw_enc; 1631 struct work_struct associate_complete_wq; 1632 struct work_struct ips_leave_wq; 1633 struct delayed_work associate_procedure_wq; 1634 struct delayed_work softmac_scan_wq; 1635 struct delayed_work associate_retry_wq; 1636 struct delayed_work start_ibss_wq; 1637 struct delayed_work hw_wakeup_wq; 1638 struct delayed_work hw_sleep_wq; 1639 struct delayed_work link_change_wq; 1640 struct work_struct wx_sync_scan_wq; 1641 1642 union { 1643 struct rtllib_rxb *RfdArray[REORDER_WIN_SIZE]; 1644 struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE]; 1645 struct rtllib_rxb *prxbIndicateArray[REORDER_WIN_SIZE]; 1646 struct { 1647 struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT]; 1648 struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT]; 1649 struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT]; 1650 }; 1651 }; 1652 1653 /* Callback functions */ 1654 void (*set_security)(struct net_device *dev, 1655 struct rtllib_security *sec); 1656 1657 /* Used to TX data frame by using txb structs. 1658 * this is not used if in the softmac_features 1659 * is set the flag IEEE_SOFTMAC_TX_QUEUE 1660 */ 1661 int (*hard_start_xmit)(struct rtllib_txb *txb, 1662 struct net_device *dev); 1663 1664 int (*reset_port)(struct net_device *dev); 1665 1666 /* Softmac-generated frames (management) are TXed via this 1667 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is 1668 * not set. As some cards may have different HW queues that 1669 * one might want to use for data and management frames 1670 * the option to have two callbacks might be useful. 1671 * This function can't sleep. 1672 */ 1673 int (*softmac_hard_start_xmit)(struct sk_buff *skb, 1674 struct net_device *dev); 1675 1676 /* used instead of hard_start_xmit (not softmac_hard_start_xmit) 1677 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data 1678 * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set 1679 * then also management frames are sent via this callback. 1680 * This function can't sleep. 1681 */ 1682 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb, 1683 struct net_device *dev, int rate); 1684 1685 /* stops the HW queue for DATA frames. Useful to avoid 1686 * waste time to TX data frame when we are reassociating 1687 * This function can sleep. 1688 */ 1689 void (*data_hard_stop)(struct net_device *dev); 1690 1691 /* OK this is complementing to data_poll_hard_stop */ 1692 void (*data_hard_resume)(struct net_device *dev); 1693 1694 /* ask to the driver to retune the radio. 1695 * This function can sleep. the driver should ensure 1696 * the radio has been switched before return. 1697 */ 1698 void (*set_chan)(struct net_device *dev, short ch); 1699 1700 void (*rtllib_start_hw_scan)(struct net_device *dev); 1701 void (*rtllib_stop_hw_scan)(struct net_device *dev); 1702 1703 /* indicate the driver that the link state is changed 1704 * for example it may indicate the card is associated now. 1705 * Driver might be interested in this to apply RX filter 1706 * rules or simply light the LINK led 1707 */ 1708 void (*link_change)(struct net_device *dev); 1709 1710 /* these two function indicates to the HW when to start 1711 * and stop to send beacons. This is used when the 1712 * IEEE_SOFTMAC_BEACONS is not set. For now the 1713 * stop_send_bacons is NOT guaranteed to be called only 1714 * after start_send_beacons. 1715 */ 1716 void (*start_send_beacons)(struct net_device *dev); 1717 void (*stop_send_beacons)(struct net_device *dev); 1718 1719 /* power save mode related */ 1720 void (*sta_wake_up)(struct net_device *dev); 1721 void (*enter_sleep_state)(struct net_device *dev, u64 time); 1722 short (*ps_is_queue_empty)(struct net_device *dev); 1723 int (*handle_beacon)(struct net_device *dev, 1724 struct rtllib_beacon *beacon, 1725 struct rtllib_network *network); 1726 int (*handle_assoc_response)(struct net_device *dev, 1727 struct rtllib_assoc_response_frame *resp, 1728 struct rtllib_network *network); 1729 1730 /* check whether Tx hw resource available */ 1731 short (*check_nic_enough_desc)(struct net_device *dev, int queue_index); 1732 void (*SetBWModeHandler)(struct net_device *dev, 1733 enum ht_channel_width bandwidth, 1734 enum ht_extchnl_offset Offset); 1735 bool (*GetNmodeSupportBySecCfg)(struct net_device *dev); 1736 void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode); 1737 bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev); 1738 u8 (*rtllib_ap_sec_type)(struct rtllib_device *ieee); 1739 void (*InitialGainHandler)(struct net_device *dev, u8 Operation); 1740 bool (*SetFwCmdHandler)(struct net_device *dev, 1741 enum fw_cmd_io_type FwCmdIO); 1742 void (*UpdateBeaconInterruptHandler)(struct net_device *dev, 1743 bool start); 1744 void (*ScanOperationBackupHandler)(struct net_device *dev, 1745 u8 Operation); 1746 void (*LedControlHandler)(struct net_device *dev, 1747 enum led_ctl_mode LedAction); 1748 void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val); 1749 1750 void (*AllowAllDestAddrHandler)(struct net_device *dev, 1751 bool bAllowAllDA, bool WriteIntoReg); 1752 1753 void (*rtllib_ips_leave_wq)(struct net_device *dev); 1754 void (*rtllib_ips_leave)(struct net_device *dev); 1755 void (*LeisurePSLeave)(struct net_device *dev); 1756 1757 /* This must be the last item so that it points to the data 1758 * allocated beyond this structure by alloc_rtllib 1759 */ 1760 u8 priv[]; 1761 }; 1762 1763 #define IEEE_A (1<<0) 1764 #define IEEE_B (1<<1) 1765 #define IEEE_G (1<<2) 1766 #define IEEE_N_24G (1<<4) 1767 #define IEEE_N_5G (1<<5) 1768 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) 1769 1770 /* Generate a 802.11 header */ 1771 1772 /* Uses the channel change callback directly 1773 * instead of [start/stop] scan callbacks 1774 */ 1775 #define IEEE_SOFTMAC_SCAN (1<<2) 1776 1777 /* Perform authentication and association handshake */ 1778 #define IEEE_SOFTMAC_ASSOCIATE (1<<3) 1779 1780 /* Generate probe requests */ 1781 #define IEEE_SOFTMAC_PROBERQ (1<<4) 1782 1783 /* Generate response to probe requests */ 1784 #define IEEE_SOFTMAC_PROBERS (1<<5) 1785 1786 /* The ieee802.11 stack will manage the netif queue 1787 * wake/stop for the driver, taking care of 802.11 1788 * fragmentation. See softmac.c for details. 1789 */ 1790 #define IEEE_SOFTMAC_TX_QUEUE (1<<7) 1791 1792 /* Uses only the softmac_data_hard_start_xmit 1793 * even for TX management frames. 1794 */ 1795 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8) 1796 1797 /* Generate beacons. The stack will enqueue beacons 1798 * to the card 1799 */ 1800 #define IEEE_SOFTMAC_BEACONS (1<<6) 1801 1802 static inline void *rtllib_priv(struct net_device *dev) 1803 { 1804 return ((struct rtllib_device *)netdev_priv(dev))->priv; 1805 } 1806 1807 static inline int rtllib_is_empty_essid(const char *essid, int essid_len) 1808 { 1809 /* Single white space is for Linksys APs */ 1810 if (essid_len == 1 && essid[0] == ' ') 1811 return 1; 1812 1813 /* Otherwise, if the entire essid is 0, we assume it is hidden */ 1814 while (essid_len) { 1815 essid_len--; 1816 if (essid[essid_len] != '\0') 1817 return 0; 1818 } 1819 1820 return 1; 1821 } 1822 1823 static inline int rtllib_get_hdrlen(u16 fc) 1824 { 1825 int hdrlen = RTLLIB_3ADDR_LEN; 1826 1827 switch (WLAN_FC_GET_TYPE(fc)) { 1828 case RTLLIB_FTYPE_DATA: 1829 if ((fc & RTLLIB_FCTL_FROMDS) && (fc & RTLLIB_FCTL_TODS)) 1830 hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */ 1831 if (RTLLIB_QOS_HAS_SEQ(fc)) 1832 hdrlen += 2; /* QOS ctrl*/ 1833 break; 1834 case RTLLIB_FTYPE_CTL: 1835 switch (WLAN_FC_GET_STYPE(fc)) { 1836 case RTLLIB_STYPE_CTS: 1837 case RTLLIB_STYPE_ACK: 1838 hdrlen = RTLLIB_1ADDR_LEN; 1839 break; 1840 default: 1841 hdrlen = RTLLIB_2ADDR_LEN; 1842 break; 1843 } 1844 break; 1845 } 1846 1847 return hdrlen; 1848 } 1849 1850 static inline u8 *rtllib_get_payload(struct rtllib_hdr *hdr) 1851 { 1852 switch (rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) { 1853 case RTLLIB_1ADDR_LEN: 1854 return ((struct rtllib_hdr_1addr *)hdr)->payload; 1855 case RTLLIB_2ADDR_LEN: 1856 return ((struct rtllib_hdr_2addr *)hdr)->payload; 1857 case RTLLIB_3ADDR_LEN: 1858 return ((struct rtllib_hdr_3addr *)hdr)->payload; 1859 case RTLLIB_4ADDR_LEN: 1860 return ((struct rtllib_hdr_4addr *)hdr)->payload; 1861 } 1862 return NULL; 1863 } 1864 1865 static inline int rtllib_is_ofdm_rate(u8 rate) 1866 { 1867 switch (rate & ~RTLLIB_BASIC_RATE_MASK) { 1868 case RTLLIB_OFDM_RATE_6MB: 1869 case RTLLIB_OFDM_RATE_9MB: 1870 case RTLLIB_OFDM_RATE_12MB: 1871 case RTLLIB_OFDM_RATE_18MB: 1872 case RTLLIB_OFDM_RATE_24MB: 1873 case RTLLIB_OFDM_RATE_36MB: 1874 case RTLLIB_OFDM_RATE_48MB: 1875 case RTLLIB_OFDM_RATE_54MB: 1876 return 1; 1877 } 1878 return 0; 1879 } 1880 1881 static inline int rtllib_is_cck_rate(u8 rate) 1882 { 1883 switch (rate & ~RTLLIB_BASIC_RATE_MASK) { 1884 case RTLLIB_CCK_RATE_1MB: 1885 case RTLLIB_CCK_RATE_2MB: 1886 case RTLLIB_CCK_RATE_5MB: 1887 case RTLLIB_CCK_RATE_11MB: 1888 return 1; 1889 } 1890 return 0; 1891 } 1892 1893 /* rtllib.c */ 1894 void free_rtllib(struct net_device *dev); 1895 struct net_device *alloc_rtllib(int sizeof_priv); 1896 1897 /* rtllib_tx.c */ 1898 1899 int rtllib_encrypt_fragment(struct rtllib_device *ieee, 1900 struct sk_buff *frag, 1901 int hdr_len); 1902 1903 netdev_tx_t rtllib_xmit(struct sk_buff *skb, struct net_device *dev); 1904 void rtllib_txb_free(struct rtllib_txb *txb); 1905 1906 /* rtllib_rx.c */ 1907 int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb, 1908 struct rtllib_rx_stats *rx_stats); 1909 void rtllib_rx_probe_rq(struct rtllib_device *ieee, 1910 struct sk_buff *skb); 1911 int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel); 1912 1913 /* rtllib_wx.c */ 1914 int rtllib_wx_get_scan(struct rtllib_device *ieee, 1915 struct iw_request_info *info, 1916 union iwreq_data *wrqu, char *key); 1917 int rtllib_wx_set_encode(struct rtllib_device *ieee, 1918 struct iw_request_info *info, 1919 union iwreq_data *wrqu, char *key); 1920 int rtllib_wx_get_encode(struct rtllib_device *ieee, 1921 struct iw_request_info *info, 1922 union iwreq_data *wrqu, char *key); 1923 int rtllib_wx_set_encode_ext(struct rtllib_device *ieee, 1924 struct iw_request_info *info, 1925 union iwreq_data *wrqu, char *extra); 1926 int rtllib_wx_set_auth(struct rtllib_device *ieee, 1927 struct iw_request_info *info, 1928 struct iw_param *data, char *extra); 1929 int rtllib_wx_set_mlme(struct rtllib_device *ieee, 1930 struct iw_request_info *info, 1931 union iwreq_data *wrqu, char *extra); 1932 int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len); 1933 1934 /* rtllib_softmac.c */ 1935 int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb, 1936 struct rtllib_rx_stats *rx_stats, u16 type, 1937 u16 stype); 1938 void rtllib_softmac_new_net(struct rtllib_device *ieee, 1939 struct rtllib_network *net); 1940 1941 void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn); 1942 void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee); 1943 1944 void rtllib_start_ibss(struct rtllib_device *ieee); 1945 int rtllib_softmac_init(struct rtllib_device *ieee); 1946 void rtllib_softmac_free(struct rtllib_device *ieee); 1947 void rtllib_disassociate(struct rtllib_device *ieee); 1948 void rtllib_stop_scan(struct rtllib_device *ieee); 1949 bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan); 1950 void rtllib_stop_scan_syncro(struct rtllib_device *ieee); 1951 void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh); 1952 void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr); 1953 void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee); 1954 void rtllib_start_protocol(struct rtllib_device *ieee); 1955 void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown); 1956 1957 void rtllib_EnableNetMonitorMode(struct net_device *dev, bool bInitState); 1958 void rtllib_DisableNetMonitorMode(struct net_device *dev, bool bInitState); 1959 void rtllib_EnableIntelPromiscuousMode(struct net_device *dev, bool bInitState); 1960 void rtllib_DisableIntelPromiscuousMode(struct net_device *dev, 1961 bool bInitState); 1962 void rtllib_softmac_stop_protocol(struct rtllib_device *ieee, 1963 u8 mesh_flag, u8 shutdown); 1964 void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag); 1965 1966 void rtllib_reset_queue(struct rtllib_device *ieee); 1967 void rtllib_wake_all_queues(struct rtllib_device *ieee); 1968 void rtllib_stop_all_queues(struct rtllib_device *ieee); 1969 struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee); 1970 void rtllib_start_send_beacons(struct rtllib_device *ieee); 1971 void rtllib_stop_send_beacons(struct rtllib_device *ieee); 1972 1973 void notify_wx_assoc_event(struct rtllib_device *ieee); 1974 void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success); 1975 1976 void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee); 1977 u8 rtllib_ap_sec_type(struct rtllib_device *ieee); 1978 1979 /* rtllib_softmac_wx.c */ 1980 1981 int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info, 1982 union iwreq_data *wrqu, char *ext); 1983 1984 int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info, 1985 union iwreq_data *awrq, char *extra); 1986 1987 int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a, 1988 union iwreq_data *wrqu, char *b); 1989 1990 int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info, 1991 union iwreq_data *wrqu, char *extra); 1992 1993 int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info, 1994 union iwreq_data *wrqu, char *extra); 1995 1996 int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, 1997 union iwreq_data *wrqu, char *b); 1998 1999 int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a, 2000 union iwreq_data *wrqu, char *b); 2001 2002 int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a, 2003 union iwreq_data *wrqu, char *extra); 2004 2005 int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a, 2006 union iwreq_data *wrqu, char *b); 2007 2008 int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, 2009 union iwreq_data *wrqu, char *b); 2010 2011 int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a, 2012 union iwreq_data *wrqu, char *b); 2013 void rtllib_wx_sync_scan_wq(void *data); 2014 2015 int rtllib_wx_set_rawtx(struct rtllib_device *ieee, 2016 struct iw_request_info *info, 2017 union iwreq_data *wrqu, char *extra); 2018 2019 int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info, 2020 union iwreq_data *wrqu, char *extra); 2021 2022 int rtllib_wx_set_power(struct rtllib_device *ieee, 2023 struct iw_request_info *info, 2024 union iwreq_data *wrqu, char *extra); 2025 2026 int rtllib_wx_get_power(struct rtllib_device *ieee, 2027 struct iw_request_info *info, 2028 union iwreq_data *wrqu, char *extra); 2029 2030 int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info, 2031 union iwreq_data *wrqu, char *extra); 2032 2033 int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info, 2034 union iwreq_data *wrqu, char *extra); 2035 #define MAX_RECEIVE_BUFFER_SIZE 9100 2036 2037 void HTSetConnectBwMode(struct rtllib_device *ieee, 2038 enum ht_channel_width bandwidth, 2039 enum ht_extchnl_offset Offset); 2040 void HTUpdateDefaultSetting(struct rtllib_device *ieee); 2041 void HTConstructCapabilityElement(struct rtllib_device *ieee, 2042 u8 *posHTCap, u8 *len, 2043 u8 isEncrypt, bool bAssoc); 2044 void HTConstructInfoElement(struct rtllib_device *ieee, 2045 u8 *posHTInfo, u8 *len, u8 isEncrypt); 2046 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, 2047 u8 *posRT2RTAgg, u8 *len); 2048 void HTOnAssocRsp(struct rtllib_device *ieee); 2049 void HTInitializeHTInfo(struct rtllib_device *ieee); 2050 void HTInitializeBssDesc(struct bss_ht *pBssHT); 2051 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, 2052 struct rtllib_network *pNetwork); 2053 void HT_update_self_and_peer_setting(struct rtllib_device *ieee, 2054 struct rtllib_network *pNetwork); 2055 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, 2056 u8 *pMCSFilter); 2057 extern u8 MCS_FILTER_ALL[]; 2058 extern u16 MCS_DATA_RATE[2][2][77]; 2059 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame); 2060 void HTResetIOTSetting(struct rt_hi_throughput *ht_info); 2061 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee); 2062 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate); 2063 int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb); 2064 int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb); 2065 int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb); 2066 void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS, 2067 u8 Policy, u8 bOverwritePending); 2068 void TsInitDelBA(struct rtllib_device *ieee, 2069 struct ts_common_info *pTsCommonInfo, 2070 enum tr_select TxRxSelect); 2071 void BaSetupTimeOut(struct timer_list *t); 2072 void TxBaInactTimeout(struct timer_list *t); 2073 void RxBaInactTimeout(struct timer_list *t); 2074 void ResetBaEntry(struct ba_record *pBA); 2075 bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr, 2076 u8 TID, enum tr_select TxRxSelect, bool bAddNewTs); 2077 void TSInitialize(struct rtllib_device *ieee); 2078 void TsStartAddBaProcess(struct rtllib_device *ieee, 2079 struct tx_ts_record *pTxTS); 2080 void RemovePeerTS(struct rtllib_device *ieee, u8 *Addr); 2081 void RemoveAllTS(struct rtllib_device *ieee); 2082 2083 extern const long rtllib_wlan_frequencies[]; 2084 2085 static inline const char *escape_essid(const char *essid, u8 essid_len) 2086 { 2087 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; 2088 2089 if (rtllib_is_empty_essid(essid, essid_len)) { 2090 memcpy(escaped, "<hidden>", sizeof("<hidden>")); 2091 return escaped; 2092 } 2093 2094 snprintf(escaped, sizeof(escaped), "%*pE", essid_len, essid); 2095 return escaped; 2096 } 2097 2098 /* fun with the built-in rtllib stack... */ 2099 bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn); 2100 2101 /* For the function is more related to hardware setting, it's better to use the 2102 * ieee handler to refer to it. 2103 */ 2104 void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee, 2105 struct rx_ts_record *pTS); 2106 int rtllib_parse_info_param(struct rtllib_device *ieee, 2107 struct rtllib_info_element *info_element, 2108 u16 length, 2109 struct rtllib_network *network, 2110 struct rtllib_rx_stats *stats); 2111 2112 void rtllib_indicate_packets(struct rtllib_device *ieee, 2113 struct rtllib_rxb **prxbIndicateArray, u8 index); 2114 void HTUseDefaultSetting(struct rtllib_device *ieee); 2115 #define RT_ASOC_RETRY_LIMIT 5 2116 u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee); 2117 2118 #endif /* RTLLIB_H */ 2119