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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Merged with mainline rtllib.h in Aug 2004. Original ieee802_114 * remains copyright by the original authors5 *6 * Portions of the merged code are based on Host AP (software wireless7 * LAN access point) driver for Intersil Prism2/2.5/3.8 *9 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen10 * <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 Ketrenos14 * <jketreno@linux.intel.com>15 * Copyright (c) 2004, Intel Corporation16 *17 * Modified for Realtek's wi-fi cards by Andrea Merello18 * <andrea.merello@gmail.com>19 */20#ifndef RTLLIB_H21#define RTLLIB_H22#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 "rtl819x_HT.h"35#include "rtl819x_BA.h"36#include "rtl819x_TS.h"37 38#include <linux/netdevice.h>39#include <linux/if_arp.h> /* ARPHRD_ETHER */40#include <net/cfg80211.h>41#include <net/lib80211.h>42 43#define MAX_PRECMD_CNT 1644#define MAX_RFDEPENDCMD_CNT 1645#define MAX_POSTCMD_CNT 1646 47#ifndef WIRELESS_SPY48#define WIRELESS_SPY49#endif50#include <net/iw_handler.h>51 52#ifndef IW_MODE_MONITOR53#define IW_MODE_MONITOR 654#endif55 56#ifndef IWEVCUSTOM57#define IWEVCUSTOM 0x8c0258#endif59 60#ifndef IW_CUSTOM_MAX61/* Max number of char in custom event - use multiple of them if needed */62#define IW_CUSTOM_MAX 256 /* In bytes */63#endif64 65#define container_of_dwork_rsl(x, y, z) \66 container_of(to_delayed_work(x), y, z)67 68static inline void *netdev_priv_rsl(struct net_device *dev)69{70 return netdev_priv(dev);71}72 73#define KEY_TYPE_NA 0x074#define KEY_TYPE_WEP40 0x175#define KEY_TYPE_TKIP 0x276#define KEY_TYPE_CCMP 0x477#define KEY_TYPE_WEP104 0x578/* added for rtl819x tx procedure */79#define MAX_QUEUE_SIZE 0x1080 81#define BK_QUEUE 082#define BE_QUEUE 183#define VI_QUEUE 284#define VO_QUEUE 385#define HCCA_QUEUE 486#define TXCMD_QUEUE 587#define MGNT_QUEUE 688#define HIGH_QUEUE 789#define BEACON_QUEUE 890 91#define IE_CISCO_FLAG_POSITION 0x0892#define SUPPORT_CKIP_MIC 0x0893#define SUPPORT_CKIP_PK 0x1094#define RT_RF_OFF_LEVL_HALT_NIC BIT(3)95#define RT_IN_PS_LEVEL(psc, _PS_FLAG) \96 ((psc->cur_ps_level & _PS_FLAG) ? true : false)97#define RT_CLEAR_PS_LEVEL(psc, _PS_FLAG) \98 (psc->cur_ps_level &= (~(_PS_FLAG)))99 100/* defined for skb cb field */101/* At most 28 byte */102struct cb_desc {103 /* Tx Desc Related flags (8-9) */104 u8 last_ini_pkt:1;105 u8 cmd_or_init:1;106 u8 tx_dis_rate_fallback:1;107 u8 tx_use_drv_assinged_rate:1;108 u8 hw_sec:1;109 110 u8 stuck_count;111 112 /* Tx Firmware Related flags (10-11)*/113 u8 cts_enable:1;114 u8 rts_enable:1;115 u8 use_short_gi:1;116 u8 use_short_preamble:1;117 u8 tx_enable_fw_calc_dur:1;118 u8 ampdu_enable:1;119 u8 rtsstbc:1;120 u8 RTSSC:1;121 122 u8 rts_bw:1;123 u8 packet_bw:1;124 u8 rts_use_short_preamble:1;125 u8 rts_use_short_gi:1;126 u8 multicast:1;127 u8 broadcast:1;128 u8 drv_agg_enable:1;129 u8 reserved2:1;130 131 /* Tx Desc related element(12-19) */132 u8 rata_index;133 u8 queue_index;134 u16 txbuf_size;135 u8 ratr_index;136 u8 bAMSDU:1;137 u8 bFromAggrQ:1;138 u8 reserved6:6;139 u8 priority;140 141 /* Tx firmware related element(20-27) */142 u8 data_rate;143 u8 rts_rate;144 u8 ampdu_factor;145 u8 ampdu_density;146 u8 DrvAggrNum;147 u8 bdhcp;148 u16 pkt_size;149 u8 bIsSpecialDataFrame;150 151 u8 bBTTxPacket;152 u8 bIsBTProbRsp;153};154 155enum sw_chnl_cmd_id {156 cmd_id_end,157 cmd_id_set_tx_power_level,158 cmd_id_bbreg_write10,159 cmd_id_write_port_ulong,160 cmd_id_write_port_ushort,161 cmd_id_write_port_uchar,162 cmd_id_rf_write_reg,163};164 165struct sw_chnl_cmd {166 enum sw_chnl_cmd_id cmd_id;167 u32 para1;168 u32 para2;169 u32 ms_delay;170};171 172/*--------------------------Define -------------------------------------------*/173#define MGN_1M 0x02174#define MGN_2M 0x04175#define MGN_5_5M 0x0b176#define MGN_11M 0x16177 178#define MGN_6M 0x0c179#define MGN_9M 0x12180#define MGN_12M 0x18181#define MGN_18M 0x24182#define MGN_24M 0x30183#define MGN_36M 0x48184#define MGN_48M 0x60185#define MGN_54M 0x6c186 187#define MGN_MCS0 0x80188#define MGN_MCS1 0x81189#define MGN_MCS2 0x82190#define MGN_MCS3 0x83191#define MGN_MCS4 0x84192#define MGN_MCS5 0x85193#define MGN_MCS6 0x86194#define MGN_MCS7 0x87195#define MGN_MCS8 0x88196#define MGN_MCS9 0x89197#define MGN_MCS10 0x8a198#define MGN_MCS11 0x8b199#define MGN_MCS12 0x8c200#define MGN_MCS13 0x8d201#define MGN_MCS14 0x8e202#define MGN_MCS15 0x8f203 204enum hw_variables {205 HW_VAR_ETHER_ADDR,206 HW_VAR_MULTICAST_REG,207 HW_VAR_BASIC_RATE,208 HW_VAR_BSSID,209 HW_VAR_MEDIA_STATUS,210 HW_VAR_SECURITY_CONF,211 HW_VAR_BEACON_INTERVAL,212 HW_VAR_ATIM_WINDOW,213 HW_VAR_LISTEN_INTERVAL,214 HW_VAR_CS_COUNTER,215 HW_VAR_DEFAULTKEY0,216 HW_VAR_DEFAULTKEY1,217 HW_VAR_DEFAULTKEY2,218 HW_VAR_DEFAULTKEY3,219 HW_VAR_SIFS,220 HW_VAR_DIFS,221 HW_VAR_EIFS,222 HW_VAR_SLOT_TIME,223 HW_VAR_ACK_PREAMBLE,224 HW_VAR_CW_CONFIG,225 HW_VAR_CW_VALUES,226 HW_VAR_RATE_FALLBACK_CONTROL,227 HW_VAR_CONTENTION_WINDOW,228 HW_VAR_RETRY_COUNT,229 HW_VAR_TR_SWITCH,230 HW_VAR_COMMAND,231 HW_VAR_WPA_CONFIG,232 HW_VAR_AMPDU_MIN_SPACE,233 HW_VAR_SHORTGI_DENSITY,234 HW_VAR_AMPDU_FACTOR,235 HW_VAR_MCS_RATE_AVAILABLE,236 HW_VAR_AC_PARAM,237 HW_VAR_ACM_CTRL,238 HW_VAR_DIS_Req_Qsize,239 HW_VAR_CCX_CHNL_LOAD,240 HW_VAR_CCX_NOISE_HISTOGRAM,241 HW_VAR_CCX_CLM_NHM,242 HW_VAR_TxOPLimit,243 HW_VAR_TURBO_MODE,244 HW_VAR_RF_STATE,245 HW_VAR_RF_OFF_BY_HW,246 HW_VAR_BUS_SPEED,247 HW_VAR_SET_DEV_POWER,248 249 HW_VAR_RCR,250 HW_VAR_RATR_0,251 HW_VAR_RRSR,252 HW_VAR_CPU_RST,253 HW_VAR_CECHK_BSSID,254 HW_VAR_LBK_MODE,255 HW_VAR_AES_11N_FIX,256 HW_VAR_USB_RX_AGGR,257 HW_VAR_USER_CONTROL_TURBO_MODE,258 HW_VAR_RETRY_LIMIT,259 HW_VAR_INIT_TX_RATE,260 HW_VAR_TX_RATE_REG,261 HW_VAR_EFUSE_USAGE,262 HW_VAR_EFUSE_BYTES,263 HW_VAR_AUTOLOAD_STATUS,264 HW_VAR_RF_2R_DISABLE,265 HW_VAR_SET_RPWM,266 HW_VAR_H2C_FW_PWRMODE,267 HW_VAR_H2C_FW_JOINBSSRPT,268 HW_VAR_1X1_RECV_COMBINE,269 HW_VAR_STOP_SEND_BEACON,270 HW_VAR_TSF_TIMER,271 HW_VAR_IO_CMD,272 273 HW_VAR_RF_RECOVERY,274 HW_VAR_H2C_FW_UPDATE_GTK,275 HW_VAR_WF_MASK,276 HW_VAR_WF_CRC,277 HW_VAR_WF_IS_MAC_ADDR,278 HW_VAR_H2C_FW_OFFLOAD,279 HW_VAR_RESET_WFCRC,280 281 HW_VAR_HANDLE_FW_C2H,282 HW_VAR_DL_FW_RSVD_PAGE,283 HW_VAR_AID,284 HW_VAR_HW_SEQ_ENABLE,285 HW_VAR_CORRECT_TSF,286 HW_VAR_BCN_VALID,287 HW_VAR_FWLPS_RF_ON,288 HW_VAR_DUAL_TSF_RST,289 HW_VAR_SWITCH_EPHY_WoWLAN,290 HW_VAR_INT_MIGRATION,291 HW_VAR_INT_AC,292 HW_VAR_RF_TIMING,293};294 295enum rt_op_mode {296 RT_OP_MODE_AP,297 RT_OP_MODE_INFRASTRUCTURE,298 RT_OP_MODE_IBSS,299 RT_OP_MODE_NO_LINK,300};301 302#define asifs_time \303 ((priv->rtllib->current_network.mode == WIRELESS_MODE_N_24G) ? 16 : 10)304 305#define MGMT_QUEUE_NUM 5306 307#define MAX_IE_LEN 0xff308 309#define msleep_interruptible_rsl msleep_interruptible310 311/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section312 * 6.2.1.1.2.313 *314 * The figure in section 7.1.2 suggests a body size of up to 2312315 * bytes is allowed, which is a bit confusing, I suspect this316 * represents the 2304 bytes of real data, plus a possible 8 bytes of317 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)318 */319#define RTLLIB_1ADDR_LEN 10320#define RTLLIB_2ADDR_LEN 16321#define RTLLIB_3ADDR_LEN 24322#define RTLLIB_4ADDR_LEN 30323#define RTLLIB_FCS_LEN 4324 325#define RTLLIB_SKBBUFFER_SIZE 2500326 327#define MIN_FRAG_THRESHOLD 256U328#define MAX_FRAG_THRESHOLD 2346U329 330#define RTLLIB_FTYPE_MGMT 0x0000331#define RTLLIB_FTYPE_CTL 0x0004332#define RTLLIB_FTYPE_DATA 0x0008333 334#define RTLLIB_SCTL_FRAG 0x000F335#define RTLLIB_SCTL_SEQ 0xFFF0336 337/* QOS control */338#define RTLLIB_QCTL_TID 0x000F339 340#define FC_QOS_BIT BIT(7)341#define is_data_frame(pdu) (((pdu[0] & 0x0C) == 0x08) ? true : false)342#define is_legacy_data_frame(pdu) (is_data_frame(pdu) && (!(pdu[0] & FC_QOS_BIT)))343#define is_qos_data_frame(pframe) \344 ((*(u16 *)pframe & (IEEE80211_STYPE_QOS_DATA | RTLLIB_FTYPE_DATA)) == \345 (IEEE80211_STYPE_QOS_DATA | RTLLIB_FTYPE_DATA))346#define frame_order(pframe) (*(u16 *)pframe & IEEE80211_FCTL_ORDER)347#define SN_LESS(a, b) (((a - b) & 0x800) != 0)348#define SN_EQUAL(a, b) (a == b)349#define MAX_DEV_ADDR_SIZE 8350 351enum act_category {352 ACT_CAT_QOS = 1,353 ACT_CAT_DLS = 2,354 ACT_CAT_BA = 3,355 ACT_CAT_HT = 7,356 ACT_CAT_WMM = 17,357};358 359enum ba_action {360 ACT_ADDBAREQ = 0,361 ACT_ADDBARSP = 1,362 ACT_DELBA = 2,363};364 365enum init_gain_op_type {366 IG_Backup = 0,367 IG_Restore,368 IG_Max369};370 371enum wireless_mode {372 WIRELESS_MODE_UNKNOWN = 0x00,373 WIRELESS_MODE_A = 0x01,374 WIRELESS_MODE_B = 0x02,375 WIRELESS_MODE_G = 0x04,376 WIRELESS_MODE_AUTO = 0x08,377 WIRELESS_MODE_N_24G = 0x10,378};379 380#ifndef ETH_P_PAE381#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */382#define ETH_P_IP 0x0800 /* Internet Protocol packet */383#define ETH_P_ARP 0x0806 /* Address Resolution packet */384#endif /* ETH_P_PAE */385 386#ifndef ETH_P_80211_RAW387#define ETH_P_80211_RAW (ETH_P_ECONET + 1)388#endif389 390/* IEEE 802.11 defines */391 392#define P80211_OUI_LEN 3393 394struct rtllib_snap_hdr {395 u8 dsap; /* always 0xAA */396 u8 ssap; /* always 0xAA */397 u8 ctrl; /* always 0x03 */398 u8 oui[P80211_OUI_LEN]; /* organizational universal id */399 400} __packed;401 402enum _REG_PREAMBLE_MODE {403 PREAMBLE_LONG = 1,404 PREAMBLE_AUTO = 2,405 PREAMBLE_SHORT = 3,406};407 408#define SNAP_SIZE sizeof(struct rtllib_snap_hdr)409 410#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)411#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)412#define WLAN_FC_MORE_DATA(fc) ((fc) & IEEE80211_FCTL_MOREDATA)413 414#define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG)415#define WLAN_GET_SEQ_SEQ(seq) (((seq) & RTLLIB_SCTL_SEQ) >> 4)416 417#define RTLLIB_STATMASK_SIGNAL (1 << 0)418#define RTLLIB_STATMASK_RSSI (1 << 1)419#define RTLLIB_STATMASK_NOISE (1 << 2)420#define RTLLIB_STATMASK_WEMASK 0x7421 422#define RTLLIB_CCK_MODULATION (1 << 0)423#define RTLLIB_OFDM_MODULATION (1 << 1)424 425#define RTLLIB_CCK_RATE_LEN 4426#define RTLLIB_CCK_RATE_1MB 0x02427#define RTLLIB_CCK_RATE_2MB 0x04428#define RTLLIB_CCK_RATE_5MB 0x0B429#define RTLLIB_CCK_RATE_11MB 0x16430#define RTLLIB_OFDM_RATE_LEN 8431#define RTLLIB_OFDM_RATE_6MB 0x0C432#define RTLLIB_OFDM_RATE_9MB 0x12433#define RTLLIB_OFDM_RATE_12MB 0x18434#define RTLLIB_OFDM_RATE_18MB 0x24435#define RTLLIB_OFDM_RATE_24MB 0x30436#define RTLLIB_OFDM_RATE_36MB 0x48437#define RTLLIB_OFDM_RATE_48MB 0x60438#define RTLLIB_OFDM_RATE_54MB 0x6C439#define RTLLIB_BASIC_RATE_MASK 0x80440 441/* this is stolen and modified from the madwifi driver*/442#define RTLLIB_FC0_TYPE_MASK 0x0c443#define RTLLIB_FC0_TYPE_DATA 0x08444#define RTLLIB_FC0_SUBTYPE_MASK 0xB0445#define RTLLIB_FC0_SUBTYPE_QOS 0x80446 447#define RTLLIB_QOS_HAS_SEQ(fc) \448 (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \449 (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS))450 451/* this is stolen from ipw2200 driver */452#define IEEE_IBSS_MAC_HASH_SIZE 31453 454/* NOTE: This data is for statistical purposes; not all hardware provides this455 * information for frames received. Not setting these will not cause456 * any adverse affects.457 */458struct rtllib_rx_stats {459 s8 rssi;460 u8 signal;461 u8 noise;462 u16 rate; /* in 100 kbps */463 u8 control;464 u8 mask;465 u16 len;466 u16 Length;467 u8 signal_quality;468 s32 RecvSignalPower;469 u8 signal_strength;470 u16 hw_error:1;471 u16 bCRC:1;472 u16 bICV:1;473 u16 decrypted:1;474 u32 time_stamp_low;475 u32 time_stamp_high;476 477 u8 rx_drv_info_size;478 u8 rx_buf_shift;479 bool bIsAMPDU;480 bool bFirstMPDU;481 bool contain_htc;482 u32 RxPWDBAll;483 u8 RxMIMOSignalStrength[2];484 s8 RxMIMOSignalQuality[2];485 bool bPacketMatchBSSID;486 bool bIsCCK;487 bool packet_to_self;488 bool bPacketBeacon;489 bool bToSelfBA;490};491 492/* IEEE 802.11 requires that STA supports concurrent reception of at least493 * three fragmented frames. This define can be increased to support more494 * concurrent frames, but it should be noted that each entry can consume about495 * 2 kB of RAM and increasing cache size will slow down frame reassembly.496 */497#define RTLLIB_FRAG_CACHE_LEN 4498 499struct rtllib_frag_entry {500 unsigned long first_frag_time;501 unsigned int seq;502 unsigned int last_frag;503 struct sk_buff *skb;504 u8 src_addr[ETH_ALEN];505 u8 dst_addr[ETH_ALEN];506};507 508struct rtllib_device;509 510#define SEC_ACTIVE_KEY (1 << 4)511#define SEC_AUTH_MODE (1 << 5)512#define SEC_UNICAST_GROUP (1 << 6)513#define SEC_LEVEL (1 << 7)514#define SEC_ENABLED (1 << 8)515 516#define SEC_LEVEL_0 0 /* None */517#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */518#define SEC_LEVEL_2 2 /* Level 1 + TKIP */519#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */520#define SEC_LEVEL_3 4 /* Level 2 + CCMP */521 522#define SEC_ALG_NONE 0523#define SEC_ALG_WEP 1524#define SEC_ALG_TKIP 2525#define SEC_ALG_CCMP 4526 527#define WEP_KEY_LEN 13528#define SCM_KEY_LEN 32529 530struct rtllib_security {531 u16 active_key:2,532 enabled:1,533 auth_mode:2,534 auth_algo:4,535 unicast_uses_group:1,536 encrypt:1;537 u8 key_sizes[NUM_WEP_KEYS];538 u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN];539 u8 level;540 u16 flags;541} __packed;542 543/* 802.11 data frame from AP544 * ,-------------------------------------------------------------------.545 * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |546 * |------|------|---------|---------|---------|------|---------|------|547 * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |548 * | | tion | (BSSID) | | | ence | data | |549 * `-------------------------------------------------------------------'550 * Total: 28-2340 bytes551 */552 553/* Management Frame Information Element Types */554enum rtllib_mfie {555 MFIE_TYPE_SSID = 0,556 MFIE_TYPE_RATES = 1,557 MFIE_TYPE_FH_SET = 2,558 MFIE_TYPE_DS_SET = 3,559 MFIE_TYPE_CF_SET = 4,560 MFIE_TYPE_TIM = 5,561 MFIE_TYPE_IBSS_SET = 6,562 MFIE_TYPE_COUNTRY = 7,563 MFIE_TYPE_HOP_PARAMS = 8,564 MFIE_TYPE_HOP_TABLE = 9,565 MFIE_TYPE_REQUEST = 10,566 MFIE_TYPE_CHALLENGE = 16,567 MFIE_TYPE_POWER_CONSTRAINT = 32,568 MFIE_TYPE_POWER_CAPABILITY = 33,569 MFIE_TYPE_TPC_REQUEST = 34,570 MFIE_TYPE_TPC_REPORT = 35,571 MFIE_TYPE_SUPP_CHANNELS = 36,572 MFIE_TYPE_CSA = 37,573 MFIE_TYPE_MEASURE_REQUEST = 38,574 MFIE_TYPE_MEASURE_REPORT = 39,575 MFIE_TYPE_QUIET = 40,576 MFIE_TYPE_IBSS_DFS = 41,577 MFIE_TYPE_ERP = 42,578 MFIE_TYPE_HT_CAP = 45,579 MFIE_TYPE_RSN = 48,580 MFIE_TYPE_RATES_EX = 50,581 MFIE_TYPE_HT_INFO = 61,582 MFIE_TYPE_AIRONET = 133,583 MFIE_TYPE_GENERIC = 221,584 MFIE_TYPE_QOS_PARAMETER = 222,585};586 587/* Minimal header; can be used for passing 802.11 frames with sufficient588 * information to determine what type of underlying data type is actually589 * stored in the data.590 */591struct rtllib_info_element {592 u8 id;593 u8 len;594 u8 data[];595} __packed;596 597struct rtllib_authentication {598 struct ieee80211_hdr_3addr header;599 __le16 algorithm;600 __le16 transaction;601 __le16 status;602 /*challenge*/603 struct rtllib_info_element info_element[];604} __packed __aligned(2);605 606struct rtllib_disauth {607 struct ieee80211_hdr_3addr header;608 __le16 reason;609} __packed __aligned(2);610 611struct rtllib_disassoc {612 struct ieee80211_hdr_3addr header;613 __le16 reason;614} __packed __aligned(2);615 616struct rtllib_probe_request {617 struct ieee80211_hdr_3addr header;618 /* SSID, supported rates */619 struct rtllib_info_element info_element[];620} __packed __aligned(2);621 622struct rtllib_probe_response {623 struct ieee80211_hdr_3addr header;624 u32 time_stamp[2];625 __le16 beacon_interval;626 __le16 capability;627 /* SSID, supported rates, FH params, DS params,628 * CF params, IBSS params, TIM (if beacon), RSN629 */630 struct rtllib_info_element info_element[];631} __packed __aligned(2);632 633/* Alias beacon for probe_response */634#define rtllib_beacon rtllib_probe_response635 636struct rtllib_assoc_request_frame {637 struct ieee80211_hdr_3addr header;638 __le16 capability;639 __le16 listen_interval;640 /* SSID, supported rates, RSN */641 struct rtllib_info_element info_element[];642} __packed __aligned(2);643 644struct rtllib_assoc_response_frame {645 struct ieee80211_hdr_3addr header;646 __le16 capability;647 __le16 status;648 __le16 aid;649 struct rtllib_info_element info_element[]; /* supported rates */650} __packed __aligned(2);651 652struct rtllib_txb {653 u8 nr_frags;654 u8 encrypted;655 u8 queue_index;656 u8 rts_included;657 u16 reserved;658 __le16 frag_size;659 __le16 payload_size;660 struct sk_buff *fragments[] __counted_by(nr_frags);661};662 663#define MAX_SUBFRAME_COUNT 64664struct rtllib_rxb {665 u8 nr_subframes;666 struct sk_buff *subframes[MAX_SUBFRAME_COUNT];667 u8 dst[ETH_ALEN];668 u8 src[ETH_ALEN];669};670 671union frameqos {672 u16 shortdata;673 u8 chardata[2];674 struct {675 u16 tid:4;676 u16 eosp:1;677 u16 ack_policy:2;678 u16 reserved:1;679 u16 txop:8;680 } field;681};682 683/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs684 * only use 8, and then use extended rates for the remaining supported685 * rates. Other APs, however, stick all of their supported rates on the686 * main rates information element...687 */688#define MAX_RATES_LENGTH ((u8)12)689#define MAX_RATES_EX_LENGTH ((u8)16)690#define MAX_NETWORK_COUNT 96691 692#define MAX_CHANNEL_NUMBER 161693#define RTLLIB_SOFTMAC_SCAN_TIME 100694#define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)695 696#define MAX_WPA_IE_LEN 64697#define MAX_WZC_IE_LEN 256698 699#define NETWORK_EMPTY_ESSID (1 << 0)700#define NETWORK_HAS_OFDM (1 << 1)701#define NETWORK_HAS_CCK (1 << 2)702 703/* QoS structure */704#define NETWORK_HAS_QOS_PARAMETERS (1 << 3)705#define NETWORK_HAS_QOS_INFORMATION (1 << 4)706#define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \707 NETWORK_HAS_QOS_INFORMATION)708/* 802.11h */709#define NETWORK_HAS_ERP_VALUE (1 << 10)710 711#define QOS_QUEUE_NUM 4712#define QOS_OUI_LEN 3713#define QOS_OUI_TYPE 2714#define QOS_ELEMENT_ID 221715#define QOS_OUI_INFO_SUB_TYPE 0716#define QOS_OUI_PARAM_SUB_TYPE 1717#define QOS_VERSION_1 1718 719struct rtllib_qos_information_element {720 u8 element_id;721 u8 length;722 u8 qui[QOS_OUI_LEN];723 u8 qui_type;724 u8 qui_subtype;725 u8 version;726 u8 ac_info;727} __packed;728 729struct rtllib_qos_ac_parameter {730 u8 aci_aifsn;731 u8 ecw_min_max;732 __le16 tx_op_limit;733} __packed;734 735struct rtllib_qos_parameter_info {736 struct rtllib_qos_information_element info_element;737 u8 reserved;738 struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];739} __packed;740 741struct rtllib_qos_parameters {742 __le16 cw_min[QOS_QUEUE_NUM];743 __le16 cw_max[QOS_QUEUE_NUM];744 u8 aifs[QOS_QUEUE_NUM];745 u8 flag[QOS_QUEUE_NUM];746 __le16 tx_op_limit[QOS_QUEUE_NUM];747} __packed;748 749struct rtllib_qos_data {750 struct rtllib_qos_parameters parameters;751 unsigned int wmm_acm;752 int active;753 int supported;754 u8 param_count;755 u8 old_param_count;756};757 758struct rtllib_tim_parameters {759 u8 tim_count;760 u8 tim_period;761} __packed;762 763struct rtllib_wmm_ac_param {764 u8 ac_aci_acm_aifsn;765 u8 ac_ecwmin_ecwmax;766 u16 ac_txop_limit;767};768 769enum eap_type {770 EAP_PACKET = 0,771 EAPOL_START,772 EAPOL_LOGOFF,773 EAPOL_KEY,774 EAPOL_ENCAP_ASF_ALERT775};776 777static const char * const eap_types[] = {778 [EAP_PACKET] = "EAP-Packet",779 [EAPOL_START] = "EAPOL-Start",780 [EAPOL_LOGOFF] = "EAPOL-Logoff",781 [EAPOL_KEY] = "EAPOL-Key",782 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"783};784 785static inline const char *eap_get_type(int type)786{787 return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" :788 eap_types[type];789}790 791static inline u8 frame_qos_tid(u8 *buf)792{793 struct ieee80211_hdr_3addr *hdr;794 u16 fc;795 796 hdr = (struct ieee80211_hdr_3addr *)buf;797 fc = le16_to_cpu(hdr->frame_control);798 return (u8)((union frameqos *)(buf + (((fc & IEEE80211_FCTL_TODS) &&799 (fc & IEEE80211_FCTL_FROMDS)) ? 30 : 24)))->field.tid;800}801 802struct eapol {803 u8 snap[6];804 u16 ethertype;805 u8 version;806 u8 type;807 u16 length;808} __packed;809 810struct rtllib_softmac_stats {811 unsigned int rx_ass_ok;812 unsigned int rx_ass_err;813 unsigned int rx_probe_rq;814 unsigned int tx_probe_rs;815 unsigned int tx_beacons;816 unsigned int rx_auth_rq;817 unsigned int rx_auth_rs_ok;818 unsigned int rx_auth_rs_err;819 unsigned int tx_auth_rq;820 unsigned int no_auth_rs;821 unsigned int no_ass_rs;822 unsigned int tx_ass_rq;823 unsigned int rx_ass_rq;824 unsigned int tx_probe_rq;825 unsigned int reassoc;826 unsigned int swtxstop;827 unsigned int swtxawake;828 unsigned char CurrentShowTxate;829 unsigned char last_packet_rate;830 unsigned int txretrycount;831};832 833/* These are the data types that can make up management packets834 *835 * u16 auth_algorithm;836 * u16 auth_sequence;837 * u16 beacon_interval;838 * u16 capability;839 * u8 current_ap[ETH_ALEN];840 * u16 listen_interval;841 * struct {842 * u16 association_id:14, reserved:2;843 * } __packed;844 * u32 time_stamp[2];845 * u16 reason;846 * u16 status;847 */848 849#define RTLLIB_DEFAULT_TX_ESSID "Penguin"850#define RTLLIB_DEFAULT_BASIC_RATE 2851 852enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};853#define MAX_SP_Len (WMM_all_frame << 4)854#define RTLLIB_QOS_TID 0x0f855#define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)856 857#define RTLLIB_DTIM_MBCAST 4858#define RTLLIB_DTIM_UCAST 2859#define RTLLIB_DTIM_VALID 1860#define RTLLIB_DTIM_INVALID 0861 862#define RTLLIB_PS_DISABLED 0863#define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST864#define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST865 866#define WME_AC_BK 0x00867#define WME_AC_BE 0x01868#define WME_AC_VI 0x02869#define WME_AC_VO 0x03870#define WME_AC_PRAM_LEN 16871 872#define MAX_RECEIVE_BUFFER_SIZE 9100873 874#define UP2AC(up) ( \875 ((up) < 1) ? WME_AC_BE : \876 ((up) < 3) ? WME_AC_BK : \877 ((up) < 4) ? WME_AC_BE : \878 ((up) < 6) ? WME_AC_VI : \879 WME_AC_VO)880 881#define ETHERNET_HEADER_SIZE 14 /* length of two Ethernet address882 * plus ether type883 */884 885enum erp_t {886 ERP_NonERPpresent = 0x01,887 ERP_UseProtection = 0x02,888 ERP_BarkerPreambleMode = 0x04,889};890 891struct rtllib_network {892 /* These entries are used to identify a unique network */893 u8 bssid[ETH_ALEN];894 u8 channel;895 /* Ensure null-terminated for any debug msgs */896 u8 ssid[IW_ESSID_MAX_SIZE + 1];897 u8 ssid_len;898 u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1];899 u8 hidden_ssid_len;900 struct rtllib_qos_data qos_data;901 902 bool with_aironet_ie;903 bool ckip_supported;904 bool ccx_rm_enable;905 u8 ccx_rm_state[2];906 bool mb_ssid_valid;907 u8 mb_ssid_mask;908 u8 mb_ssid[ETH_ALEN];909 bool with_ccx_ver_num;910 u8 bss_ccx_ver_number;911 /* These are network statistics */912 struct rtllib_rx_stats stats;913 u16 capability;914 u8 rates[MAX_RATES_LENGTH];915 u8 rates_len;916 u8 rates_ex[MAX_RATES_EX_LENGTH];917 u8 rates_ex_len;918 unsigned long last_scanned;919 u8 mode;920 u32 flags;921 u32 time_stamp[2];922 u16 beacon_interval;923 u16 listen_interval;924 u16 atim_window;925 u8 erp_value;926 u8 wpa_ie[MAX_WPA_IE_LEN];927 size_t wpa_ie_len;928 u8 rsn_ie[MAX_WPA_IE_LEN];929 size_t rsn_ie_len;930 u8 wzc_ie[MAX_WZC_IE_LEN];931 size_t wzc_ie_len;932 933 struct rtllib_tim_parameters tim;934 u8 dtim_period;935 u8 dtim_data;936 u64 last_dtim_sta_time;937 938 u8 wmm_info;939 struct rtllib_wmm_ac_param wmm_param[4];940 u8 turbo_enable;941 u16 country_ie_len;942 u8 country_ie_buf[MAX_IE_LEN];943 struct bss_ht bssht;944 bool broadcom_cap_exist;945 bool realtek_cap_exit;946 bool marvell_cap_exist;947 bool ralink_cap_exist;948 bool atheros_cap_exist;949 bool cisco_cap_exist;950 bool airgo_cap_exist;951 bool unknown_cap_exist;952 bool berp_info_valid;953 bool buseprotection;954 u8 signal_strength;955 u8 RSSI;956 struct list_head list;957};958 959enum rtl_link_state {960 /* the card is not linked at all */961 MAC80211_NOLINK = 0,962 963 /* RTLLIB_ASSOCIATING* are for BSS client mode964 * the driver shall not perform RX filtering unless965 * the state is LINKED.966 * The driver shall just check for the state LINKED and967 * defaults to NOLINK for ALL the other states (including968 * LINKED_SCANNING)969 */970 971 /* the association procedure will start (wq scheduling)*/972 RTLLIB_ASSOCIATING,973 RTLLIB_ASSOCIATING_RETRY,974 975 /* the association procedure is sending AUTH request*/976 RTLLIB_ASSOCIATING_AUTHENTICATING,977 978 /* the association procedure has successfully authenticated979 * and is sending association request980 */981 RTLLIB_ASSOCIATING_AUTHENTICATED,982 983 /* the link is ok. the card associated to a BSS or linked984 * to a ibss cell or acting as an AP and creating the bss985 */986 MAC80211_LINKED,987 988 /* same as LINKED, but the driver shall apply RX filter989 * rules as we are in NO_LINK mode. As the card is still990 * logically linked, but it is doing a syncro site survey991 * then it will be back to LINKED state.992 */993 MAC80211_LINKED_SCANNING,994};995 996#define DEFAULT_MAX_SCAN_AGE (15 * HZ)997#define DEFAULT_FTS 2346998 999#define CFG_RTLLIB_RESERVE_FCS (1 << 0)1000#define CFG_RTLLIB_COMPUTE_FCS (1 << 1)1001 1002struct tx_pending {1003 int frag;1004 struct rtllib_txb *txb;1005};1006 1007struct bandwidth_autoswitch {1008 long threshold_20Mhzto40Mhz;1009 long threshold_40Mhzto20Mhz;1010 bool forced_tx_20MHz;1011 bool bautoswitch_enable;1012};1013 1014#define REORDER_WIN_SIZE 1281015#define REORDER_ENTRY_NUM 1281016struct rx_reorder_entry {1017 struct list_head list;1018 u16 seq_num;1019 struct rtllib_rxb *prxb;1020};1021 1022enum fsync_state {1023 DEFAULT_FSYNC,1024 HW_FSYNC,1025 SW_FSYNC1026};1027 1028enum ips_callback_function {1029 IPS_CALLBACK_NONE = 0,1030 IPS_CALLBACK_MGNT_LINK_REQUEST = 1,1031 IPS_CALLBACK_JOIN_REQUEST = 2,1032};1033 1034enum rt_rf_power_state {1035 rf_on,1036 rf_sleep,1037 rf_off1038};1039 1040struct rt_pwr_save_ctrl {1041 bool bSwRfProcessing;1042 enum rt_rf_power_state eInactivePowerState;1043 enum ips_callback_function return_point;1044 1045 bool bLeisurePs;1046 u8 lps_idle_count;1047 u8 lps_awake_intvl;1048 1049 u32 cur_ps_level;1050};1051 1052#define RT_RF_CHANGE_SOURCE u321053 1054#define RF_CHANGE_BY_SW BIT(31)1055#define RF_CHANGE_BY_HW BIT(30)1056#define RF_CHANGE_BY_PS BIT(29)1057#define RF_CHANGE_BY_IPS BIT(28)1058#define RF_CHANGE_BY_INIT 01059 1060enum country_code_type {1061 COUNTRY_CODE_FCC = 0,1062 COUNTRY_CODE_IC = 1,1063 COUNTRY_CODE_ETSI = 2,1064 COUNTRY_CODE_SPAIN = 3,1065 COUNTRY_CODE_FRANCE = 4,1066 COUNTRY_CODE_MKK = 5,1067 COUNTRY_CODE_MKK1 = 6,1068 COUNTRY_CODE_ISRAEL = 7,1069 COUNTRY_CODE_TELEC = 8,1070 COUNTRY_CODE_MIC = 9,1071 COUNTRY_CODE_GLOBAL_DOMAIN = 10,1072 COUNTRY_CODE_WORLD_WIDE_13 = 11,1073 COUNTRY_CODE_TELEC_NETGEAR = 12,1074 COUNTRY_CODE_MAX1075};1076 1077enum scan_op_backup_opt {1078 SCAN_OPT_BACKUP = 0,1079 SCAN_OPT_RESTORE,1080 SCAN_OPT_MAX1081};1082 1083#define RT_MAX_LD_SLOT_NUM 101084struct rt_link_detect {1085 u32 num_recv_bcn_in_period;1086 u32 num_recv_data_in_period;1087 1088 u32 RxBcnNum[RT_MAX_LD_SLOT_NUM];1089 u32 RxDataNum[RT_MAX_LD_SLOT_NUM];1090 u16 slot_num;1091 u16 slot_index;1092 1093 u32 num_tx_ok_in_period;1094 u32 num_rx_ok_in_period;1095 u32 num_rx_unicast_ok_in_period;1096 bool busy_traffic;1097 bool bHigherBusyTraffic;1098 bool bHigherBusyRxTraffic;1099};1100 1101struct sw_cam_table {1102 u8 macaddr[ETH_ALEN];1103 bool bused;1104 u8 key_buf[16];1105 u16 key_type;1106 u8 useDK;1107 u8 key_index;1108 1109};1110 1111#define TOTAL_CAM_ENTRY 321112struct rate_adaptive {1113 u8 ratr_state;1114 u16 reserve;1115 1116 u32 high_rssi_thresh_for_ra;1117 u32 high2low_rssi_thresh_for_ra;1118 u8 low2high_rssi_thresh_for_ra40M;1119 u32 low_rssi_thresh_for_ra40M;1120 u8 low2high_rssi_thresh_for_ra20M;1121 u32 low_rssi_thresh_for_ra20M;1122 u32 upper_rssi_threshold_ratr;1123 u32 middle_rssi_threshold_ratr;1124 u32 low_rssi_threshold_ratr;1125 u32 low_rssi_threshold_ratr_40M;1126 u32 low_rssi_threshold_ratr_20M;1127 u8 ping_rssi_enable;1128 u32 ping_rssi_ratr;1129 u32 ping_rssi_thresh_for_ra;1130 u8 PreRATRState;1131 1132};1133 1134#define NUM_PMKID_CACHE 161135struct rt_pmkid_list {1136 u8 bssid[ETH_ALEN];1137 u8 PMKID[16];1138 u8 SsidBuf[33];1139 u8 used;1140};1141 1142/*************** DRIVER STATUS *****/1143#define STATUS_SCANNING 01144/*************** DRIVER STATUS *****/1145 1146enum {1147 LPS_IS_WAKE = 0,1148 LPS_IS_SLEEP = 1,1149 LPS_WAIT_NULL_DATA_SEND = 2,1150};1151 1152struct rtllib_device {1153 struct pci_dev *pdev;1154 struct net_device *dev;1155 struct rtllib_security sec;1156 1157 bool disable_mgnt_queue;1158 1159 unsigned long status;1160 u8 cnt_after_link;1161 1162 enum rt_op_mode op_mode;1163 1164 /* The last AssocReq/Resp IEs */1165 u8 *assocreq_ies, *assocresp_ies;1166 size_t assocreq_ies_len, assocresp_ies_len;1167 1168 bool forced_bg_mode;1169 1170 u8 hwsec_active;1171 bool is_roaming;1172 bool ieee_up;1173 bool cannot_notify;1174 bool bSupportRemoteWakeUp;1175 bool actscanning;1176 bool first_ie_in_scan;1177 bool be_scan_inprogress;1178 bool beinretry;1179 enum rt_rf_power_state rf_power_state;1180 RT_RF_CHANGE_SOURCE rf_off_reason;1181 bool is_set_key;1182 bool wx_set_enc;1183 struct rt_hi_throughput *ht_info;1184 1185 spinlock_t reorder_spinlock;1186 u8 reg_dot11ht_oper_rate_set[16];1187 u8 reg_dot11tx_ht_oper_rate_set[16];1188 u8 dot11ht_oper_rate_set[16];1189 u8 reg_ht_supp_rate_set[16];1190 u8 ht_curr_op_rate;1191 u8 HTHighestOperaRate;1192 u8 tx_dis_rate_fallback;1193 u8 tx_use_drv_assinged_rate;1194 u8 tx_enable_fw_calc_dur;1195 atomic_t atm_swbw;1196 1197 struct list_head Tx_TS_Admit_List;1198 struct list_head Tx_TS_Pending_List;1199 struct list_head Tx_TS_Unused_List;1200 struct tx_ts_record tx_ts_records[TOTAL_TS_NUM];1201 struct list_head Rx_TS_Admit_List;1202 struct list_head Rx_TS_Pending_List;1203 struct list_head Rx_TS_Unused_List;1204 struct rx_ts_record rx_ts_records[TOTAL_TS_NUM];1205 struct rx_reorder_entry RxReorderEntry[128];1206 struct list_head RxReorder_Unused_List;1207 1208 /* Bookkeeping structures */1209 struct net_device_stats stats;1210 struct rtllib_softmac_stats softmac_stats;1211 1212 /* Probe / Beacon management */1213 struct list_head network_free_list;1214 struct list_head network_list;1215 struct rtllib_network *networks;1216 int scans;1217 int scan_age;1218 1219 int iw_mode; /* operating mode (IW_MODE_*) */1220 1221 spinlock_t lock;1222 spinlock_t wpax_suitlist_lock;1223 1224 int tx_headroom; /* Set to size of any additional room needed at front1225 * of allocated Tx SKBs1226 */1227 u32 config;1228 1229 /* WEP and other encryption related settings at the device level */1230 int open_wep; /* Set to 1 to allow unencrypted frames */1231 int auth_mode;1232 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on1233 * WEP key changes1234 */1235 1236 int ieee802_1x; /* is IEEE 802.1X used */1237 1238 /* WPA data */1239 bool half_wireless_n24g_mode;1240 int wpa_enabled;1241 int drop_unencrypted;1242 int tkip_countermeasures;1243 int privacy_invoked;1244 size_t wpa_ie_len;1245 u8 *wpa_ie;1246 size_t wps_ie_len;1247 u8 *wps_ie;1248 u8 ap_mac_addr[ETH_ALEN];1249 u16 pairwise_key_type;1250 u16 group_key_type;1251 1252 struct lib80211_crypt_info crypt_info;1253 1254 struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];1255 1256 struct rt_pmkid_list pmkid_list[NUM_PMKID_CACHE];1257 1258 /* Fragmentation structures */1259 struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];1260 unsigned int frag_next_idx[17];1261 u16 fts; /* Fragmentation Threshold */1262#define DEFAULT_RTS_THRESHOLD 2346U1263#define MIN_RTS_THRESHOLD 11264#define MAX_RTS_THRESHOLD 2346U1265 u16 rts; /* RTS threshold */1266 1267 /* Association info */1268 u8 bssid[ETH_ALEN];1269 1270 /* This stores infos for the current network.1271 * Either the network we are associated in INFRASTRUCTURE1272 * or the network that we are creating in MASTER mode.1273 * ad-hoc is a mixture ;-).1274 * Note that in infrastructure mode, even when not associated,1275 * fields bssid and essid may be valid (if wpa_set and essid_set1276 * are true) as thy carry the value set by the user via iwconfig1277 */1278 struct rtllib_network current_network;1279 1280 enum rtl_link_state link_state;1281 1282 int mode; /* A, B, G */1283 1284 /* used for forcing the ibss workqueue to terminate1285 * without wait for the syncro scan to terminate1286 */1287 short sync_scan_hurryup;1288 u16 scan_watch_dog;1289 1290 /* map of allowed channels. 0 is dummy */1291 u8 active_channel_map[MAX_CHANNEL_NUMBER + 1];1292 1293 int rate; /* current rate */1294 int basic_rate;1295 1296 /* this contains flags for selectively enable softmac support */1297 u16 softmac_features;1298 1299 /* if the sequence control field is not filled by HW */1300 u16 seq_ctrl[5];1301 1302 /* association procedure transaction sequence number */1303 u16 associate_seq;1304 1305 /* AID for RTXed association responses */1306 u16 assoc_id;1307 1308 /* power save mode related*/1309 u8 ack_tx_to_ieee;1310 short ps;1311 short sta_sleep;1312 int ps_timeout;1313 int ps_period;1314 struct work_struct ps_task;1315 u64 ps_time;1316 bool polling;1317 1318 /* used if IEEE_SOFTMAC_TX_QUEUE is set */1319 short queue_stop;1320 short scanning_continue;1321 short proto_started;1322 short proto_stoppping;1323 1324 struct mutex wx_mutex;1325 struct mutex scan_mutex;1326 struct mutex ips_mutex;1327 1328 spinlock_t mgmt_tx_lock;1329 spinlock_t beacon_lock;1330 1331 short beacon_txing;1332 1333 short wap_set;1334 short ssid_set;1335 1336 /* set on initialization */1337 unsigned int wmm_acm;1338 1339 /* for discarding duplicated packets in IBSS */1340 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];1341 1342 /* for discarding duplicated packets in BSS */1343 u16 last_rxseq_num[17]; /* rx seq previous per-tid */1344 u16 last_rxfrag_num[17];/* tx frag previous per-tid */1345 unsigned long last_packet_time[17];1346 1347 /* for PS mode */1348 unsigned long last_rx_ps_time;1349 bool awake_pkt_sent;1350 u8 lps_delay_cnt;1351 1352 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */1353 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];1354 int mgmt_queue_head;1355 int mgmt_queue_tail;1356 u8 asoc_retry_count;1357 struct sk_buff_head skb_waitq[MAX_QUEUE_SIZE];1358 1359 bool bdynamic_txpower_enable;1360 1361 bool bCTSToSelfEnable;1362 1363 u32 fsync_time_interval;1364 u32 fsync_rate_bitmap;1365 u8 fsync_rssi_threshold;1366 bool bfsync_enable;1367 1368 u8 fsync_multiple_timeinterval;1369 u32 fsync_firstdiff_ratethreshold;1370 u32 fsync_seconddiff_ratethreshold;1371 enum fsync_state fsync_state;1372 bool bis_any_nonbepkts;1373 struct bandwidth_autoswitch bandwidth_auto_switch;1374 bool FwRWRF;1375 1376 struct rt_link_detect link_detect_info;1377 bool is_aggregate_frame;1378 struct rt_pwr_save_ctrl pwr_save_ctrl;1379 1380 /* used if IEEE_SOFTMAC_TX_QUEUE is set */1381 struct tx_pending tx_pending;1382 1383 /* used if IEEE_SOFTMAC_ASSOCIATE is set */1384 struct timer_list associate_timer;1385 1386 /* used if IEEE_SOFTMAC_BEACONS is set */1387 u8 need_sw_enc;1388 struct work_struct associate_complete_wq;1389 struct work_struct ips_leave_wq;1390 struct delayed_work associate_procedure_wq;1391 struct delayed_work softmac_scan_wq;1392 struct delayed_work associate_retry_wq;1393 struct delayed_work hw_wakeup_wq;1394 struct delayed_work hw_sleep_wq;1395 struct delayed_work link_change_wq;1396 struct work_struct wx_sync_scan_wq;1397 1398 union {1399 struct rtllib_rxb *rfd_array[REORDER_WIN_SIZE];1400 struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];1401 struct rtllib_rxb *prxb_indicate_array[REORDER_WIN_SIZE];1402 struct {1403 struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT];1404 struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT];1405 struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT];1406 };1407 };1408 1409 /* Callback functions */1410 1411 /* Softmac-generated frames (management) are TXed via this1412 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is1413 * not set. As some cards may have different HW queues that1414 * one might want to use for data and management frames1415 * the option to have two callbacks might be useful.1416 * This function can't sleep.1417 */1418 int (*softmac_hard_start_xmit)(struct sk_buff *skb,1419 struct net_device *dev);1420 1421 /* used instead of hard_start_xmit (not softmac_hard_start_xmit)1422 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data1423 * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set1424 * then also management frames are sent via this callback.1425 * This function can't sleep.1426 */1427 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,1428 struct net_device *dev, int rate);1429 1430 /* ask to the driver to retune the radio.1431 * This function can sleep. the driver should ensure1432 * the radio has been switched before return.1433 */1434 void (*set_chan)(struct net_device *dev, u8 ch);1435 1436 /* indicate the driver that the link state is changed1437 * for example it may indicate the card is associated now.1438 * Driver might be interested in this to apply RX filter1439 * rules or simply light the LINK led1440 */1441 void (*link_change)(struct net_device *dev);1442 1443 /* power save mode related */1444 void (*sta_wake_up)(struct net_device *dev);1445 void (*enter_sleep_state)(struct net_device *dev, u64 time);1446 short (*ps_is_queue_empty)(struct net_device *dev);1447 int (*handle_beacon)(struct net_device *dev,1448 struct rtllib_beacon *beacon,1449 struct rtllib_network *network);1450 int (*handle_assoc_response)(struct net_device *dev,1451 struct rtllib_assoc_response_frame *resp,1452 struct rtllib_network *network);1453 1454 /* check whether Tx hw resource available */1455 short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);1456 void (*set_bw_mode_handler)(struct net_device *dev,1457 enum ht_channel_width bandwidth,1458 enum ht_extchnl_offset Offset);1459 bool (*get_nmode_support_by_sec_cfg)(struct net_device *dev);1460 void (*set_wireless_mode)(struct net_device *dev, u8 wireless_mode);1461 bool (*get_half_nmode_support_by_aps_handler)(struct net_device *dev);1462 u8 (*rtllib_ap_sec_type)(struct rtllib_device *ieee);1463 void (*init_gain_handler)(struct net_device *dev, u8 operation);1464 void (*scan_operation_backup_handler)(struct net_device *dev,1465 u8 operation);1466 void (*set_hw_reg_handler)(struct net_device *dev, u8 variable, u8 *val);1467 1468 void (*allow_all_dest_addr_handler)(struct net_device *dev,1469 bool allow_all_da,1470 bool write_into_reg);1471 1472 void (*rtllib_ips_leave_wq)(struct net_device *dev);1473 void (*rtllib_ips_leave)(struct net_device *dev);1474 void (*leisure_ps_leave)(struct net_device *dev);1475 1476 /* This must be the last item so that it points to the data1477 * allocated beyond this structure by alloc_rtllib1478 */1479 u8 priv[];1480};1481 1482#define IEEE_MODE_MASK (WIRELESS_MODE_B | WIRELESS_MODE_G)1483 1484/* Generate a 802.11 header */1485 1486/* Uses the channel change callback directly1487 * instead of [start/stop] scan callbacks1488 */1489#define IEEE_SOFTMAC_SCAN (1 << 2)1490 1491/* Perform authentication and association handshake */1492#define IEEE_SOFTMAC_ASSOCIATE (1 << 3)1493 1494/* Generate probe requests */1495#define IEEE_SOFTMAC_PROBERQ (1 << 4)1496 1497/* Generate response to probe requests */1498#define IEEE_SOFTMAC_PROBERS (1 << 5)1499 1500/* The ieee802.11 stack will manage the netif queue1501 * wake/stop for the driver, taking care of 802.111502 * fragmentation. See softmac.c for details.1503 */1504#define IEEE_SOFTMAC_TX_QUEUE (1 << 7)1505 1506/* Uses only the softmac_data_hard_start_xmit1507 * even for TX management frames.1508 */1509#define IEEE_SOFTMAC_SINGLE_QUEUE (1 << 8)1510 1511/* Generate beacons. The stack will enqueue beacons1512 * to the card1513 */1514#define IEEE_SOFTMAC_BEACONS (1 << 6)1515 1516static inline void *rtllib_priv(struct net_device *dev)1517{1518 return ((struct rtllib_device *)netdev_priv(dev))->priv;1519}1520 1521static inline int rtllib_is_empty_essid(const char *essid, int essid_len)1522{1523 /* Single white space is for Linksys APs */1524 if (essid_len == 1 && essid[0] == ' ')1525 return 1;1526 1527 /* Otherwise, if the entire essid is 0, we assume it is hidden */1528 while (essid_len) {1529 essid_len--;1530 if (essid[essid_len] != '\0')1531 return 0;1532 }1533 1534 return 1;1535}1536 1537static inline int rtllib_get_hdrlen(u16 fc)1538{1539 int hdrlen = RTLLIB_3ADDR_LEN;1540 1541 switch (WLAN_FC_GET_TYPE(fc)) {1542 case RTLLIB_FTYPE_DATA:1543 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))1544 hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */1545 if (RTLLIB_QOS_HAS_SEQ(fc))1546 hdrlen += 2; /* QOS ctrl*/1547 break;1548 case RTLLIB_FTYPE_CTL:1549 switch (WLAN_FC_GET_STYPE(fc)) {1550 case IEEE80211_STYPE_CTS:1551 case IEEE80211_STYPE_ACK:1552 hdrlen = RTLLIB_1ADDR_LEN;1553 break;1554 default:1555 hdrlen = RTLLIB_2ADDR_LEN;1556 break;1557 }1558 break;1559 }1560 1561 return hdrlen;1562}1563 1564static inline int rtllib_is_ofdm_rate(u8 rate)1565{1566 switch (rate & ~RTLLIB_BASIC_RATE_MASK) {1567 case RTLLIB_OFDM_RATE_6MB:1568 case RTLLIB_OFDM_RATE_9MB:1569 case RTLLIB_OFDM_RATE_12MB:1570 case RTLLIB_OFDM_RATE_18MB:1571 case RTLLIB_OFDM_RATE_24MB:1572 case RTLLIB_OFDM_RATE_36MB:1573 case RTLLIB_OFDM_RATE_48MB:1574 case RTLLIB_OFDM_RATE_54MB:1575 return 1;1576 }1577 return 0;1578}1579 1580static inline int rtllib_is_cck_rate(u8 rate)1581{1582 switch (rate & ~RTLLIB_BASIC_RATE_MASK) {1583 case RTLLIB_CCK_RATE_1MB:1584 case RTLLIB_CCK_RATE_2MB:1585 case RTLLIB_CCK_RATE_5MB:1586 case RTLLIB_CCK_RATE_11MB:1587 return 1;1588 }1589 return 0;1590}1591 1592/* rtllib.c */1593void free_rtllib(struct net_device *dev);1594struct net_device *alloc_rtllib(int sizeof_priv);1595 1596/* rtllib_tx.c */1597 1598int rtllib_encrypt_fragment(struct rtllib_device *ieee,1599 struct sk_buff *frag,1600 int hdr_len);1601 1602netdev_tx_t rtllib_xmit(struct sk_buff *skb, struct net_device *dev);1603void rtllib_txb_free(struct rtllib_txb *txb);1604 1605/* rtllib_rx.c */1606int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,1607 struct rtllib_rx_stats *rx_stats);1608int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);1609 1610/* rtllib_wx.c */1611int rtllib_wx_get_scan(struct rtllib_device *ieee,1612 struct iw_request_info *info,1613 union iwreq_data *wrqu, char *key);1614int rtllib_wx_set_encode(struct rtllib_device *ieee,1615 struct iw_request_info *info,1616 union iwreq_data *wrqu, char *key);1617int rtllib_wx_get_encode(struct rtllib_device *ieee,1618 struct iw_request_info *info,1619 union iwreq_data *wrqu, char *key);1620int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,1621 struct iw_request_info *info,1622 union iwreq_data *wrqu, char *extra);1623int rtllib_wx_set_auth(struct rtllib_device *ieee,1624 struct iw_request_info *info,1625 struct iw_param *data, char *extra);1626int rtllib_wx_set_mlme(struct rtllib_device *ieee,1627 struct iw_request_info *info,1628 union iwreq_data *wrqu, char *extra);1629int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len);1630 1631/* rtllib_softmac.c */1632int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,1633 struct rtllib_rx_stats *rx_stats, u16 type,1634 u16 stype);1635void rtllib_softmac_new_net(struct rtllib_device *ieee,1636 struct rtllib_network *net);1637 1638void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 rsn);1639void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);1640 1641int rtllib_softmac_init(struct rtllib_device *ieee);1642void rtllib_softmac_free(struct rtllib_device *ieee);1643void rtllib_disassociate(struct rtllib_device *ieee);1644void rtllib_stop_scan(struct rtllib_device *ieee);1645bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);1646void rtllib_stop_scan_syncro(struct rtllib_device *ieee);1647void rtllib_start_scan_syncro(struct rtllib_device *ieee);1648void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr);1649void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee);1650void rtllib_start_protocol(struct rtllib_device *ieee);1651void rtllib_stop_protocol(struct rtllib_device *ieee);1652 1653void rtllib_enable_net_monitor_mode(struct net_device *dev, bool init_state);1654void rtllib_disable_net_monitor_mode(struct net_device *dev, bool init_state);1655 1656void rtllib_softmac_stop_protocol(struct rtllib_device *ieee);1657void rtllib_softmac_start_protocol(struct rtllib_device *ieee);1658 1659void rtllib_reset_queue(struct rtllib_device *ieee);1660void rtllib_wake_all_queues(struct rtllib_device *ieee);1661void rtllib_stop_all_queues(struct rtllib_device *ieee);1662 1663void notify_wx_assoc_event(struct rtllib_device *ieee);1664void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success);1665 1666void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee);1667u8 rtllib_ap_sec_type(struct rtllib_device *ieee);1668 1669/* rtllib_softmac_wx.c */1670 1671int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info,1672 union iwreq_data *wrqu, char *ext);1673 1674int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info,1675 union iwreq_data *awrq, char *extra);1676 1677int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,1678 union iwreq_data *wrqu, char *b);1679 1680int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info,1681 union iwreq_data *wrqu, char *extra);1682 1683int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info,1684 union iwreq_data *wrqu, char *extra);1685 1686int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a,1687 union iwreq_data *wrqu, char *b);1688 1689int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a,1690 union iwreq_data *wrqu, char *b);1691 1692int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a,1693 union iwreq_data *wrqu, char *extra);1694 1695int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a,1696 union iwreq_data *wrqu, char *b);1697 1698int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,1699 union iwreq_data *wrqu, char *b);1700 1701int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a,1702 union iwreq_data *wrqu, char *b);1703void rtllib_wx_sync_scan_wq(void *data);1704 1705int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info,1706 union iwreq_data *wrqu, char *extra);1707 1708int rtllib_wx_set_power(struct rtllib_device *ieee,1709 struct iw_request_info *info,1710 union iwreq_data *wrqu, char *extra);1711 1712int rtllib_wx_get_power(struct rtllib_device *ieee,1713 struct iw_request_info *info,1714 union iwreq_data *wrqu, char *extra);1715 1716int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info,1717 union iwreq_data *wrqu, char *extra);1718 1719int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info,1720 union iwreq_data *wrqu, char *extra);1721#define MAX_RECEIVE_BUFFER_SIZE 91001722 1723void ht_set_connect_bw_mode(struct rtllib_device *ieee,1724 enum ht_channel_width bandwidth,1725 enum ht_extchnl_offset Offset);1726void ht_update_default_setting(struct rtllib_device *ieee);1727void ht_construct_capability_element(struct rtllib_device *ieee,1728 u8 *pos_ht_cap, u8 *len,1729 u8 is_encrypt, bool assoc);1730void ht_construct_rt2rt_agg_element(struct rtllib_device *ieee,1731 u8 *posRT2RTAgg, u8 *len);1732void ht_on_assoc_rsp(struct rtllib_device *ieee);1733void ht_initialize_ht_info(struct rtllib_device *ieee);1734void ht_initialize_bss_desc(struct bss_ht *bss_ht);1735void ht_reset_self_and_save_peer_setting(struct rtllib_device *ieee,1736 struct rtllib_network *network);1737void HT_update_self_and_peer_setting(struct rtllib_device *ieee,1738 struct rtllib_network *network);1739u8 ht_get_highest_mcs_rate(struct rtllib_device *ieee, u8 *pMCSRateSet,1740 u8 *pMCSFilter);1741extern u8 MCS_FILTER_ALL[];1742extern u16 MCS_DATA_RATE[2][2][77];1743u8 ht_c_check(struct rtllib_device *ieee, u8 *frame);1744void ht_reset_iot_setting(struct rt_hi_throughput *ht_info);1745bool is_ht_half_nmode_aps(struct rtllib_device *ieee);1746u16 tx_count_to_data_rate(struct rtllib_device *ieee, u8 nDataRate);1747int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb);1748int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb);1749int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);1750void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *ts,1751 u8 policy, u8 overwrite_pending);1752void rtllib_ts_init_del_ba(struct rtllib_device *ieee,1753 struct ts_common_info *ts_common_info,1754 enum tr_select tx_rx_select);1755void rtllib_ba_setup_timeout(struct timer_list *t);1756void rtllib_tx_ba_inact_timeout(struct timer_list *t);1757void rtllib_rx_ba_inact_timeout(struct timer_list *t);1758void rtllib_reset_ba_entry(struct ba_record *ba);1759bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *addr,1760 u8 TID, enum tr_select tx_rx_select, bool add_new_ts);1761void rtllib_ts_init(struct rtllib_device *ieee);1762void rtllib_ts_start_add_ba_process(struct rtllib_device *ieee,1763 struct tx_ts_record *pTxTS);1764void remove_peer_ts(struct rtllib_device *ieee, u8 *addr);1765void remove_all_ts(struct rtllib_device *ieee);1766 1767static inline const char *escape_essid(const char *essid, u8 essid_len)1768{1769 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];1770 1771 if (rtllib_is_empty_essid(essid, essid_len)) {1772 memcpy(escaped, "<hidden>", sizeof("<hidden>"));1773 return escaped;1774 }1775 1776 snprintf(escaped, sizeof(escaped), "%*pE", essid_len, essid);1777 return escaped;1778}1779 1780/* fun with the built-in rtllib stack... */1781bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 rsn);1782 1783/* For the function is more related to hardware setting, it's better to use the1784 * ieee handler to refer to it.1785 */1786void rtllib_flush_rx_ts_pending_pkts(struct rtllib_device *ieee,1787 struct rx_ts_record *ts);1788int rtllib_parse_info_param(struct rtllib_device *ieee,1789 struct rtllib_info_element *info_element,1790 u16 length,1791 struct rtllib_network *network,1792 struct rtllib_rx_stats *stats);1793 1794void rtllib_indicate_packets(struct rtllib_device *ieee,1795 struct rtllib_rxb **prxb_indicate_array, u8 index);1796#define RT_ASOC_RETRY_LIMIT 51797u8 mgnt_query_tx_rate_exclude_cck_rates(struct rtllib_device *ieee);1798 1799#endif /* RTLLIB_H */1800