LXR linux/drivers/staging/rtl8723au/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
  27/* if mode ==0, then the sta is allowed once the addr is hit. */
  28/* if mode ==1, then the sta is rejected once the addr is non-hit. */
  29struct rtw_wlan_acl_node {
  30        struct list_head        list;
  31        u8       addr[ETH_ALEN];
  32        u8       valid;
  33};
  34
  35/* mode=0, disable */
  36/* mode=1, accept unless in deny list */
  37/* mode=2, deny unless in accept list */
  38struct wlan_acl_pool {
  39        int mode;
  40        int num;
  41        struct rtw_wlan_acl_node aclnode[NUM_ACL];
  42        struct rtw_queue        acl_node_q;
  43};
  44
  45struct rssi_sta  {
  46        s32     UndecoratedSmoothedPWDB;
  47        s32     UndecoratedSmoothedCCK;
  48        s32     UndecoratedSmoothedOFDM;
  49        u64     PacketMap;
  50        u8      ValidBit;
  51};
  52
  53struct  stainfo_stats   {
  54        u64 rx_mgnt_pkts;
  55                u64 rx_beacon_pkts;
  56                u64 rx_probereq_pkts;
  57                u64 rx_probersp_pkts;
  58                u64 rx_probersp_bm_pkts;
  59                u64 rx_probersp_uo_pkts;
  60        u64 rx_ctrl_pkts;
  61        u64 rx_data_pkts;
  62
  63        u64     last_rx_mgnt_pkts;
  64                u64 last_rx_beacon_pkts;
  65                u64 last_rx_probereq_pkts;
  66                u64 last_rx_probersp_pkts;
  67                u64 last_rx_probersp_bm_pkts;
  68                u64 last_rx_probersp_uo_pkts;
  69        u64     last_rx_ctrl_pkts;
  70        u64     last_rx_data_pkts;
  71
  72        u64     rx_bytes;
  73        u64     rx_drops;
  74
  75        u64     tx_pkts;
  76        u64     tx_bytes;
  77        u64  tx_drops;
  78
  79};
  80
  81struct sta_info {
  82        spinlock_t      lock;
  83        struct list_head        list; /* free_sta_queue */
  84        struct list_head        hash_list; /* sta_hash */
  85        struct rtw_adapter *padapter;
  86
  87        struct sta_xmit_priv sta_xmitpriv;
  88        struct sta_recv_priv sta_recvpriv;
  89
  90        struct rtw_queue sleep_q;
  91        unsigned int sleepq_len;
  92
  93        uint state;
  94        uint aid;
  95        uint mac_id;
  96        uint qos_option;
  97        u8      hwaddr[ETH_ALEN];
  98
  99        uint    ieee8021x_blocked;      /* 0: allowed, 1:blocked */
 100        u32     dot118021XPrivacy; /* aes, tkip... */
 101        union Keytype   dot11tkiptxmickey;
 102        union Keytype   dot11tkiprxmickey;
 103        union Keytype   dot118021x_UncstKey;
 104        union pn48              dot11txpn;                      /*  PN48 used for Unicast xmit. */
 105        union pn48              dot11rxpn;                      /*  PN48 used for Unicast recv. */
 106
 107
 108        u8      bssrateset[16];
 109        u32     bssratelen;
 110        s32  rssi;
 111        s32     signal_quality;
 112
 113        u8      cts2self;
 114        u8      rtsen;
 115
 116        u8      raid;
 117        u8      init_rate;
 118        u32     ra_mask;
 119        u8      wireless_mode;  /*  NETWORK_TYPE */
 120        struct stainfo_stats sta_stats;
 121
 122        /* for A-MPDU TX, ADDBA timeout check */
 123        struct timer_list addba_retry_timer;
 124
 125        /* for A-MPDU Rx reordering buffer control */
 126        struct recv_reorder_ctrl recvreorder_ctrl[16];
 127
 128        /* for A-MPDU Tx */
 129        /* unsigned char                ampdu_txen_bitmap; */
 130        u16     BA_starting_seqctrl[16];
 131
 132        struct ht_priv  htpriv;
 133
 134        /* Notes: */
 135        /* STA_Mode: */
 136        /* curr_network(mlme_priv/security_priv/qos/ht) + sta_info: (STA & AP) CAP/INFO */
 137        /* scan_q: AP CAP/INFO */
 138
 139        /* AP_Mode: */
 140        /* curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO */
 141        /* sta_info: (AP & STA) CAP/INFO */
 142
 143        struct list_head asoc_list;
 144        struct list_head auth_list;
 145
 146        unsigned int expire_to;
 147        unsigned int auth_seq;
 148        unsigned int authalg;
 149        unsigned char chg_txt[128];
 150
 151        u16 capability;
 152        int flags;
 153
 154        int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
 155        int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
 156        int wpa_group_cipher;
 157        int wpa2_group_cipher;
 158        int wpa_pairwise_cipher;
 159        int wpa2_pairwise_cipher;
 160
 161        u8 bpairwise_key_installed;
 162
 163        u8 wpa_ie[32];
 164
 165        u8 nonerp_set;
 166        u8 no_short_slot_time_set;
 167        u8 no_short_preamble_set;
 168        u8 no_ht_gf_set;
 169        u8 no_ht_set;
 170        u8 ht_20mhz_set;
 171
 172        unsigned int tx_ra_bitmap;
 173        u8 qos_info;
 174
 175        u8 max_sp_len;
 176        u8 uapsd_bk;/* BIT(0): Delivery enabled, BIT(1): Trigger enabled */
 177        u8 uapsd_be;
 178        u8 uapsd_vi;
 179        u8 uapsd_vo;
 180
 181        u8 has_legacy_ac;
 182        unsigned int sleepq_ac_len;
 183
 184        /* p2p priv data */
 185        u8 is_p2p_device;
 186        u8 p2p_status_code;
 187
 188        u8 keep_alive_trycnt;
 189
 190        /* p2p client info */
 191        u8 dev_addr[ETH_ALEN];
 192        u8 dev_cap;
 193        u16 config_methods;
 194        u8 primary_dev_type[8];
 195        u8 num_of_secdev_type;
 196        u8 secdev_types_list[32];/*  32/8 == 4; */
 197        u16 dev_name_len;
 198        u8 dev_name[32];
 199        u8 *passoc_req;
 200        u32 assoc_req_len;
 201
 202        /* for DM */
 203        struct rssi_sta  rssi_stat;
 204
 205        /*  */
 206        /*  ================ODM Relative Info======================= */
 207        /*  Please be care, dont declare too much structure here. It will cost memory * STA support num. */
 208        /*  */
 209        /*  */
 210        /*  2011/10/20 MH Add for ODM STA info. */
 211        /*  */
 212        /*  Driver Write */
 213        u8              bValid;                         /*  record the sta status link or not? */
 214        u8              rssi_level;                     /* for Refresh RA mask */
 215        /*  ODM Write */
 216        /* 1 PHY_STATUS_INFO */
 217        u8              RSSI_Path[4];           /*  */
 218        u8              RSSI_Ave;
 219        u8              RXEVM[4];
 220        u8              RXSNR[4];
 221
 222        /*  ODM Write */
 223        /* 1 TX_INFO (may changed by IC) */
 224        /*  ================ODM Relative Info======================= */
 225        /*  */
 226
 227        /* To store the sequence number of received management frame */
 228        u16 RxMgmtFrameSeqNum;
 229};
 230
 231#define sta_rx_pkts(sta) \
 232        (sta->sta_stats.rx_mgnt_pkts \
 233        + sta->sta_stats.rx_ctrl_pkts \
 234        + sta->sta_stats.rx_data_pkts)
 235
 236#define sta_last_rx_pkts(sta) \
 237        (sta->sta_stats.last_rx_mgnt_pkts \
 238        + sta->sta_stats.last_rx_ctrl_pkts \
 239        + sta->sta_stats.last_rx_data_pkts)
 240
 241#define sta_rx_data_pkts(sta) \
 242        (sta->sta_stats.rx_data_pkts)
 243
 244#define sta_last_rx_data_pkts(sta) \
 245        (sta->sta_stats.last_rx_data_pkts)
 246
 247#define sta_rx_mgnt_pkts(sta) \
 248        (sta->sta_stats.rx_mgnt_pkts)
 249
 250#define sta_last_rx_mgnt_pkts(sta) \
 251        (sta->sta_stats.last_rx_mgnt_pkts)
 252
 253#define sta_rx_beacon_pkts(sta) \
 254        (sta->sta_stats.rx_beacon_pkts)
 255
 256#define sta_last_rx_beacon_pkts(sta) \
 257        (sta->sta_stats.last_rx_beacon_pkts)
 258
 259#define sta_rx_probereq_pkts(sta) \
 260        (sta->sta_stats.rx_probereq_pkts)
 261
 262#define sta_last_rx_probereq_pkts(sta) \
 263        (sta->sta_stats.last_rx_probereq_pkts)
 264
 265#define sta_rx_probersp_pkts(sta) \
 266        (sta->sta_stats.rx_probersp_pkts)
 267
 268#define sta_last_rx_probersp_pkts(sta) \
 269        (sta->sta_stats.last_rx_probersp_pkts)
 270
 271#define sta_rx_probersp_bm_pkts(sta) \
 272        (sta->sta_stats.rx_probersp_bm_pkts)
 273
 274#define sta_last_rx_probersp_bm_pkts(sta) \
 275        (sta->sta_stats.last_rx_probersp_bm_pkts)
 276
 277#define sta_rx_probersp_uo_pkts(sta) \
 278        (sta->sta_stats.rx_probersp_uo_pkts)
 279
 280#define sta_last_rx_probersp_uo_pkts(sta) \
 281        (sta->sta_stats.last_rx_probersp_uo_pkts)
 282
 283#define sta_update_last_rx_pkts(sta) \
 284        do { \
 285                sta->sta_stats.last_rx_mgnt_pkts = sta->sta_stats.rx_mgnt_pkts; \
 286                sta->sta_stats.last_rx_beacon_pkts = sta->sta_stats.rx_beacon_pkts; \
 287                sta->sta_stats.last_rx_probereq_pkts = sta->sta_stats.rx_probereq_pkts; \
 288                sta->sta_stats.last_rx_probersp_pkts = sta->sta_stats.rx_probersp_pkts; \
 289                sta->sta_stats.last_rx_probersp_bm_pkts = sta->sta_stats.rx_probersp_bm_pkts; \
 290                sta->sta_stats.last_rx_probersp_uo_pkts = sta->sta_stats.rx_probersp_uo_pkts; \
 291                sta->sta_stats.last_rx_ctrl_pkts = sta->sta_stats.rx_ctrl_pkts; \
 292                sta->sta_stats.last_rx_data_pkts = sta->sta_stats.rx_data_pkts; \
 293        } while (0)
 294
 295#define STA_RX_PKTS_ARG(sta) \
 296        sta->sta_stats.rx_mgnt_pkts \
 297        , sta->sta_stats.rx_ctrl_pkts \
 298        , sta->sta_stats.rx_data_pkts
 299
 300#define STA_LAST_RX_PKTS_ARG(sta) \
 301        sta->sta_stats.last_rx_mgnt_pkts, \
 302        sta->sta_stats.last_rx_ctrl_pkts, \
 303        sta->sta_stats.last_rx_data_pkts
 304
 305#define STA_RX_PKTS_DIFF_ARG(sta) \
 306        sta->sta_stats.rx_mgnt_pkts - sta->sta_stats.last_rx_mgnt_pkts, \
 307        sta->sta_stats.rx_ctrl_pkts - sta->sta_stats.last_rx_ctrl_pkts, \
 308        sta->sta_stats.rx_data_pkts - sta->sta_stats.last_rx_data_pkts
 309
 310#define STA_PKTS_FMT "(m:%llu, c:%llu, d:%llu)"
 311
 312struct sta_priv {
 313        spinlock_t sta_hash_lock;
 314        struct list_head sta_hash[NUM_STA];
 315        int asoc_sta_count;
 316
 317        struct rtw_adapter *padapter;
 318        struct list_head asoc_list;
 319        struct list_head auth_list;
 320        spinlock_t asoc_list_lock;
 321        spinlock_t auth_list_lock;
 322        u8 asoc_list_cnt;
 323        u8 auth_list_cnt;
 324
 325        unsigned int auth_to;  /* sec, time to expire in authenticating. */
 326        unsigned int assoc_to; /* sec, time to expire before associating. */
 327        unsigned int expire_to; /* sec , time to expire after associated. */
 328
 329        /* pointers to STA info; based on allocated AID or NULL if AID free
 330         * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
 331         * and so on
 332         */
 333        struct sta_info *sta_aid[NUM_STA];
 334
 335        u16 sta_dz_bitmap;/* only support 15 stations, station aid bitmap
 336                           * for sleeping sta. */
 337        u16 tim_bitmap;/* only support 15 stations,
 338                        * aid=0~15 mapping bit0~bit15 */
 339
 340        u16 max_num_sta;
 341
 342        struct wlan_acl_pool acl_list;
 343};
 344
 345static inline u32 wifi_mac_hash(const u8 *mac)
 346{
 347        u32 x;
 348
 349        x = mac[0];
 350        x = (x << 2) ^ mac[1];
 351        x = (x << 2) ^ mac[2];
 352        x = (x << 2) ^ mac[3];
 353        x = (x << 2) ^ mac[4];
 354        x = (x << 2) ^ mac[5];
 355
 356        x ^= x >> 8;
 357        x  = x & (NUM_STA - 1);
 358
 359        return x;
 360}
 361
 362int _rtw_init_sta_priv23a(struct sta_priv *pstapriv);
 363int _rtw_free_sta_priv23a(struct sta_priv *pstapriv);
 364
 365struct sta_info *rtw_alloc_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr, gfp_t gfp);
 366int rtw_free_stainfo23a(struct rtw_adapter *padapter, struct sta_info *psta);
 367void rtw_free_all_stainfo23a(struct rtw_adapter *padapter);
 368struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr);
 369int rtw_init_bcmc_stainfo23a(struct rtw_adapter *padapter);
 370struct sta_info *rtw_get_bcmc_stainfo23a(struct rtw_adapter *padapter);
 371bool rtw_access_ctrl23a(struct rtw_adapter *padapter, u8 *mac_addr);
 372
 373#endif /* _STA_INFO_H_ */
 374