LXR linux/drivers/staging/rtl8188eu/include/sta

   1/******************************************************************************
   2 *
   3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12 * more details.
  13 *
  14 ******************************************************************************/
  15#ifndef __STA_INFO_H_
  16#define __STA_INFO_H_
  17
  18#include <osdep_service.h>
  19#include <drv_types.h>
  20#include <wifi.h>
  21
  22#define IBSS_START_MAC_ID       2
  23#define NUM_STA 32
  24#define NUM_ACL 16
  25
  26/* if mode ==0, then the sta is allowed once the addr is hit. */
  27/* if mode ==1, then the sta is rejected once the addr is non-hit. */
  28struct rtw_wlan_acl_node {
  29        struct list_head list;
  30        u8       addr[ETH_ALEN];
  31        u8       valid;
  32};
  33
  34/* mode=0, disable */
  35/* mode=1, accept unless in deny list */
  36/* mode=2, deny unless in accept list */
  37struct wlan_acl_pool {
  38        int mode;
  39        int num;
  40        struct rtw_wlan_acl_node aclnode[NUM_ACL];
  41        struct __queue acl_node_q;
  42};
  43
  44struct rssi_sta {
  45        s32     UndecoratedSmoothedPWDB;
  46        s32     UndecoratedSmoothedCCK;
  47        s32     UndecoratedSmoothedOFDM;
  48        u64     PacketMap;
  49        u8      ValidBit;
  50};
  51
  52struct  stainfo_stats   {
  53        u64 rx_mgnt_pkts;
  54        u64 rx_beacon_pkts;
  55        u64 rx_probereq_pkts;
  56        u64 rx_probersp_pkts;
  57        u64 rx_probersp_bm_pkts;
  58        u64 rx_probersp_uo_pkts;
  59        u64 rx_ctrl_pkts;
  60        u64 rx_data_pkts;
  61
  62        u64     last_rx_mgnt_pkts;
  63        u64 last_rx_beacon_pkts;
  64        u64 last_rx_probereq_pkts;
  65        u64 last_rx_probersp_pkts;
  66        u64 last_rx_probersp_bm_pkts;
  67        u64 last_rx_probersp_uo_pkts;
  68        u64     last_rx_ctrl_pkts;
  69        u64     last_rx_data_pkts;
  70        u64     rx_bytes;
  71        u64     rx_drops;
  72        u64     tx_pkts;
  73        u64     tx_bytes;
  74        u64  tx_drops;
  75};
  76
  77struct sta_info {
  78        spinlock_t lock;
  79        struct list_head list; /* free_sta_queue */
  80        struct list_head hash_list; /* sta_hash */
  81
  82        struct sta_xmit_priv sta_xmitpriv;
  83        struct sta_recv_priv sta_recvpriv;
  84
  85        struct __queue sleep_q;
  86        unsigned int sleepq_len;
  87
  88        uint state;
  89        uint aid;
  90        uint mac_id;
  91        uint qos_option;
  92        u8      hwaddr[ETH_ALEN];
  93
  94        uint    ieee8021x_blocked;      /* 0: allowed, 1:blocked */
  95        uint    dot118021XPrivacy; /* aes, tkip... */
  96        union Keytype   dot11tkiptxmickey;
  97        union Keytype   dot11tkiprxmickey;
  98        union Keytype   dot118021x_UncstKey;
  99        union pn48              dot11txpn;                      /*  PN48 used for Unicast xmit. */
 100        union pn48              dot11rxpn;                      /*  PN48 used for Unicast recv. */
 101        u8      bssrateset[16];
 102        u32     bssratelen;
 103        s32  rssi;
 104        s32     signal_quality;
 105
 106        u8      cts2self;
 107        u8      rtsen;
 108
 109        u8      raid;
 110        u8      init_rate;
 111        u8      wireless_mode;  /*  NETWORK_TYPE */
 112        struct stainfo_stats sta_stats;
 113
 114        /* for A-MPDU TX, ADDBA timeout check */
 115        struct timer_list addba_retry_timer;
 116
 117        /* for A-MPDU Rx reordering buffer control */
 118        struct recv_reorder_ctrl recvreorder_ctrl[16];
 119
 120        /* for A-MPDU Tx */
 121        /* unsigned char                ampdu_txen_bitmap; */
 122        u16     BA_starting_seqctrl[16];
 123
 124        struct ht_priv  htpriv;
 125
 126        /* Notes: */
 127        /* STA_Mode: */
 128        /* curr_network(mlme_priv/security_priv/qos/ht) +
 129         * sta_info: (STA & AP) CAP/INFO
 130         */
 131        /* scan_q: AP CAP/INFO */
 132
 133        /* AP_Mode: */
 134        /* curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO */
 135        /* sta_info: (AP & STA) CAP/INFO */
 136
 137        struct list_head asoc_list;
 138#ifdef CONFIG_88EU_AP_MODE
 139        struct list_head auth_list;
 140
 141        unsigned int expire_to;
 142        unsigned int auth_seq;
 143        unsigned int authalg;
 144        unsigned char chg_txt[128];
 145
 146        u16 capability;
 147        int flags;
 148
 149        int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
 150        int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
 151        int wpa_group_cipher;
 152        int wpa2_group_cipher;
 153        int wpa_pairwise_cipher;
 154        int wpa2_pairwise_cipher;
 155
 156        u8 bpairwise_key_installed;
 157
 158        u8 wpa_ie[32];
 159
 160        u8 nonerp_set;
 161        u8 no_short_slot_time_set;
 162        u8 no_short_preamble_set;
 163        u8 no_ht_gf_set;
 164        u8 no_ht_set;
 165        u8 ht_20mhz_set;
 166
 167        unsigned int tx_ra_bitmap;
 168        u8 qos_info;
 169
 170        u8 max_sp_len;
 171        u8 uapsd_bk;/* BIT(0): Delivery enabled, BIT(1): Trigger enabled */
 172        u8 uapsd_be;
 173        u8 uapsd_vi;
 174        u8 uapsd_vo;
 175
 176        u8 has_legacy_ac;
 177        unsigned int sleepq_ac_len;
 178#endif  /*  CONFIG_88EU_AP_MODE */
 179
 180        u8 under_exist_checking;
 181        u8 keep_alive_trycnt;
 182
 183        /* for DM */
 184        struct rssi_sta rssi_stat;
 185
 186        /*  ================ODM Relative Info======================= */
 187        /*  Please be careful, don't declare too much structure here.
 188         *  It will cost memory * STA support num.
 189         */
 190        /*  2011/10/20 MH Add for ODM STA info. */
 191        /*  Driver Write */
 192        u8      bValid;         /*  record the sta status link or not? */
 193        u8      IOTPeer;        /*  Enum value. HT_IOT_PEER_E */
 194        u8      rssi_level;     /* for Refresh RA mask */
 195        /*  ODM Write */
 196        /* 1 PHY_STATUS_INFO */
 197        u8              RSSI_Path[4];           /*  */
 198        u8              RSSI_Ave;
 199        u8              RXEVM[4];
 200        u8              RXSNR[4];
 201
 202        /*  ================ODM Relative Info======================= */
 203        /*  */
 204
 205        /* To store the sequence number of received management frame */
 206        u16 RxMgmtFrameSeqNum;
 207};
 208
 209#define sta_rx_pkts(sta) \
 210        (sta->sta_stats.rx_mgnt_pkts \
 211        + sta->sta_stats.rx_ctrl_pkts \
 212        + sta->sta_stats.rx_data_pkts)
 213
 214#define sta_last_rx_pkts(sta) \
 215        (sta->sta_stats.last_rx_mgnt_pkts \
 216        + sta->sta_stats.last_rx_ctrl_pkts \
 217        + sta->sta_stats.last_rx_data_pkts)
 218
 219#define sta_rx_data_pkts(sta) \
 220        (sta->sta_stats.rx_data_pkts)
 221
 222#define sta_last_rx_data_pkts(sta) \
 223        (sta->sta_stats.last_rx_data_pkts)
 224
 225#define sta_rx_mgnt_pkts(sta) \
 226        (sta->sta_stats.rx_mgnt_pkts)
 227
 228#define sta_last_rx_mgnt_pkts(sta) \
 229        (sta->sta_stats.last_rx_mgnt_pkts)
 230
 231#define sta_rx_beacon_pkts(sta) \
 232        (sta->sta_stats.rx_beacon_pkts)
 233
 234#define sta_last_rx_beacon_pkts(sta) \
 235        (sta->sta_stats.last_rx_beacon_pkts)
 236
 237#define sta_rx_probereq_pkts(sta) \
 238        (sta->sta_stats.rx_probereq_pkts)
 239
 240#define sta_last_rx_probereq_pkts(sta) \
 241        (sta->sta_stats.last_rx_probereq_pkts)
 242
 243#define sta_rx_probersp_pkts(sta) \
 244        (sta->sta_stats.rx_probersp_pkts)
 245
 246#define sta_last_rx_probersp_pkts(sta) \
 247        (sta->sta_stats.last_rx_probersp_pkts)
 248
 249#define sta_rx_probersp_bm_pkts(sta) \
 250        (sta->sta_stats.rx_probersp_bm_pkts)
 251
 252#define sta_last_rx_probersp_bm_pkts(sta) \
 253        (sta->sta_stats.last_rx_probersp_bm_pkts)
 254
 255#define sta_rx_probersp_uo_pkts(sta) \
 256        (sta->sta_stats.rx_probersp_uo_pkts)
 257
 258#define sta_last_rx_probersp_uo_pkts(sta) \
 259        (sta->sta_stats.last_rx_probersp_uo_pkts)
 260
 261#define sta_update_last_rx_pkts(sta) \
 262do { \
 263        sta->sta_stats.last_rx_mgnt_pkts = sta->sta_stats.rx_mgnt_pkts; \
 264        sta->sta_stats.last_rx_beacon_pkts = sta->sta_stats.rx_beacon_pkts; \
 265        sta->sta_stats.last_rx_probereq_pkts = sta->sta_stats.rx_probereq_pkts; \
 266        sta->sta_stats.last_rx_probersp_pkts = sta->sta_stats.rx_probersp_pkts; \
 267        sta->sta_stats.last_rx_probersp_bm_pkts = sta->sta_stats.rx_probersp_bm_pkts; \
 268        sta->sta_stats.last_rx_probersp_uo_pkts = sta->sta_stats.rx_probersp_uo_pkts; \
 269        sta->sta_stats.last_rx_ctrl_pkts = sta->sta_stats.rx_ctrl_pkts; \
 270        sta->sta_stats.last_rx_data_pkts = sta->sta_stats.rx_data_pkts; \
 271} while (0)
 272
 273#define STA_RX_PKTS_ARG(sta) \
 274        sta->sta_stats.rx_mgnt_pkts \
 275        , sta->sta_stats.rx_ctrl_pkts \
 276        , sta->sta_stats.rx_data_pkts
 277
 278#define STA_LAST_RX_PKTS_ARG(sta) \
 279        sta->sta_stats.last_rx_mgnt_pkts \
 280        , sta->sta_stats.last_rx_ctrl_pkts \
 281        , sta->sta_stats.last_rx_data_pkts
 282
 283#define STA_RX_PKTS_DIFF_ARG(sta) \
 284        sta->sta_stats.rx_mgnt_pkts - sta->sta_stats.last_rx_mgnt_pkts \
 285        , sta->sta_stats.rx_ctrl_pkts - sta->sta_stats.last_rx_ctrl_pkts \
 286        , sta->sta_stats.rx_data_pkts - sta->sta_stats.last_rx_data_pkts
 287
 288#define STA_PKTS_FMT "(m:%llu, c:%llu, d:%llu)"
 289
 290struct  sta_priv {
 291        u8 *pallocated_stainfo_buf;
 292        u8 *pstainfo_buf;
 293        struct __queue free_sta_queue;
 294
 295        spinlock_t sta_hash_lock;
 296        struct list_head sta_hash[NUM_STA];
 297        int asoc_sta_count;
 298        struct __queue sleep_q;
 299        struct __queue wakeup_q;
 300
 301        struct adapter *padapter;
 302
 303        spinlock_t asoc_list_lock;
 304        struct list_head asoc_list;
 305
 306#ifdef CONFIG_88EU_AP_MODE
 307        struct list_head auth_list;
 308        spinlock_t auth_list_lock;
 309        u8 asoc_list_cnt;
 310        u8 auth_list_cnt;
 311
 312        unsigned int auth_to;  /* sec, time to expire in authenticating. */
 313        unsigned int assoc_to; /* sec, time to expire before associating. */
 314        unsigned int expire_to; /* sec , time to expire after associated. */
 315
 316        /* pointers to STA info; based on allocated AID or NULL if AID free
 317         * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
 318         * and so on
 319         */
 320        struct sta_info *sta_aid[NUM_STA];
 321
 322        u16 sta_dz_bitmap;/* only support 15 stations, station aid bitmap
 323                           * for sleeping sta.
 324                           */
 325        u16 tim_bitmap; /* only support 15 stations, aid=0~15 mapping
 326                         * bit0~bit15
 327                         */
 328
 329        u16 max_num_sta;
 330
 331        struct wlan_acl_pool acl_list;
 332#endif
 333
 334};
 335
 336static inline u32 wifi_mac_hash(u8 *mac)
 337{
 338        u32 x;
 339
 340        x = mac[0];
 341        x = (x << 2) ^ mac[1];
 342        x = (x << 2) ^ mac[2];
 343        x = (x << 2) ^ mac[3];
 344        x = (x << 2) ^ mac[4];
 345        x = (x << 2) ^ mac[5];
 346
 347        x ^= x >> 8;
 348        x  = x & (NUM_STA - 1);
 349        return x;
 350}
 351
 352u32 _rtw_init_sta_priv(struct sta_priv *pstapriv);
 353u32 _rtw_free_sta_priv(struct sta_priv *pstapriv);
 354
 355#define stainfo_offset_valid(offset) (offset < NUM_STA && offset >= 0)
 356int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta);
 357struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int off);
 358
 359struct sta_info *rtw_alloc_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
 360u32 rtw_free_stainfo(struct adapter *adapt, struct sta_info *psta);
 361void rtw_free_all_stainfo(struct adapter *adapt);
 362struct sta_info *rtw_get_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
 363u32 rtw_init_bcmc_stainfo(struct adapter *adapt);
 364struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter);
 365u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr);
 366
 367#endif /* _STA_INFO_H_ */
 368