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 * You should have received a copy of the GNU General Public License along with
  15 * this program; if not, write to the Free Software Foundation, Inc.,
  16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17 *
  18 *
  19 ******************************************************************************/
  20#ifndef __STA_INFO_H_
  21#define __STA_INFO_H_
  22
  23#include <osdep_service.h>
  24#include <drv_types.h>
  25#include <wifi.h>
  26
  27#define IBSS_START_MAC_ID       2
  28#define NUM_STA 32
  29#define NUM_ACL 16
  30
  31/* if mode ==0, then the sta is allowed once the addr is hit. */
  32/* if mode ==1, then the sta is rejected once the addr is non-hit. */
  33struct rtw_wlan_acl_node {
  34        struct list_head list;
  35        u8       addr[ETH_ALEN];
  36        u8       valid;
  37};
  38
  39/* mode=0, disable */
  40/* mode=1, accept unless in deny list */
  41/* mode=2, deny unless in accept list */
  42struct wlan_acl_pool {
  43        int mode;
  44        int num;
  45        struct rtw_wlan_acl_node aclnode[NUM_ACL];
  46        struct __queue acl_node_q;
  47};
  48
  49struct rssi_sta {
  50        s32     UndecoratedSmoothedPWDB;
  51        s32     UndecoratedSmoothedCCK;
  52        s32     UndecoratedSmoothedOFDM;
  53        u64     PacketMap;
  54        u8      ValidBit;
  55};
  56
  57struct  stainfo_stats   {
  58        u64 rx_mgnt_pkts;
  59        u64 rx_beacon_pkts;
  60        u64 rx_probereq_pkts;
  61        u64 rx_probersp_pkts;
  62        u64 rx_probersp_bm_pkts;
  63        u64 rx_probersp_uo_pkts;
  64        u64 rx_ctrl_pkts;
  65        u64 rx_data_pkts;
  66
  67        u64     last_rx_mgnt_pkts;
  68        u64 last_rx_beacon_pkts;
  69        u64 last_rx_probereq_pkts;
  70        u64 last_rx_probersp_pkts;
  71        u64 last_rx_probersp_bm_pkts;
  72        u64 last_rx_probersp_uo_pkts;
  73        u64     last_rx_ctrl_pkts;
  74        u64     last_rx_data_pkts;
  75        u64     rx_bytes;
  76        u64     rx_drops;
  77        u64     tx_pkts;
  78        u64     tx_bytes;
  79        u64  tx_drops;
  80};
  81
  82struct sta_info {
  83        spinlock_t lock;
  84        struct list_head list; /* free_sta_queue */
  85        struct list_head hash_list; /* sta_hash */
  86
  87        struct sta_xmit_priv sta_xmitpriv;
  88        struct sta_recv_priv sta_recvpriv;
  89
  90        struct __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        uint    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        u8      bssrateset[16];
 107        u32     bssratelen;
 108        s32  rssi;
 109        s32     signal_quality;
 110
 111        u8      cts2self;
 112        u8      rtsen;
 113
 114        u8      raid;
 115        u8      init_rate;
 116        u8      wireless_mode;  /*  NETWORK_TYPE */
 117        struct stainfo_stats sta_stats;
 118
 119        /* for A-MPDU TX, ADDBA timeout check */
 120        struct timer_list addba_retry_timer;
 121
 122        /* for A-MPDU Rx reordering buffer control */
 123        struct recv_reorder_ctrl recvreorder_ctrl[16];
 124
 125        /* for A-MPDU Tx */
 126        /* unsigned char                ampdu_txen_bitmap; */
 127        u16     BA_starting_seqctrl[16];
 128
 129        struct ht_priv  htpriv;
 130
 131        /* Notes: */
 132        /* STA_Mode: */
 133        /* curr_network(mlme_priv/security_priv/qos/ht) +
 134         * sta_info: (STA & AP) CAP/INFO */
 135        /* scan_q: AP CAP/INFO */
 136
 137        /* AP_Mode: */
 138        /* curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO */
 139        /* sta_info: (AP & STA) CAP/INFO */
 140
 141        struct list_head asoc_list;
 142#ifdef CONFIG_88EU_AP_MODE
 143        struct list_head auth_list;
 144
 145        unsigned int expire_to;
 146        unsigned int auth_seq;
 147        unsigned int authalg;
 148        unsigned char chg_txt[128];
 149
 150        u16 capability;
 151        int flags;
 152
 153        int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
 154        int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
 155        int wpa_group_cipher;
 156        int wpa2_group_cipher;
 157        int wpa_pairwise_cipher;
 158        int wpa2_pairwise_cipher;
 159
 160        u8 bpairwise_key_installed;
 161
 162        u8 wpa_ie[32];
 163
 164        u8 nonerp_set;
 165        u8 no_short_slot_time_set;
 166        u8 no_short_preamble_set;
 167        u8 no_ht_gf_set;
 168        u8 no_ht_set;
 169        u8 ht_20mhz_set;
 170
 171        unsigned int tx_ra_bitmap;
 172        u8 qos_info;
 173
 174        u8 max_sp_len;
 175        u8 uapsd_bk;/* BIT(0): Delivery enabled, BIT(1): Trigger enabled */
 176        u8 uapsd_be;
 177        u8 uapsd_vi;
 178        u8 uapsd_vo;
 179
 180        u8 has_legacy_ac;
 181        unsigned int sleepq_ac_len;
 182#endif  /*  CONFIG_88EU_AP_MODE */
 183
 184        u8 under_exist_checking;
 185        u8 keep_alive_trycnt;
 186
 187        /* for DM */
 188        struct rssi_sta rssi_stat;
 189
 190        /*  ================ODM Relative Info======================= */
 191        /*  Please be careful, don't declare too much structure here.
 192         *  It will cost memory * STA support num. */
 193        /*  2011/10/20 MH Add for ODM STA info. */
 194        /*  Driver Write */
 195        u8      bValid;         /*  record the sta status link or not? */
 196        u8      IOTPeer;        /*  Enum value. HT_IOT_PEER_E */
 197        u8      rssi_level;     /* for Refresh RA mask */
 198        /*  ODM Write */
 199        /* 1 PHY_STATUS_INFO */
 200        u8              RSSI_Path[4];           /*  */
 201        u8              RSSI_Ave;
 202        u8              RXEVM[4];
 203        u8              RXSNR[4];
 204
 205        /*  ================ODM Relative Info======================= */
 206        /*  */
 207
 208        /* To store the sequence number of received management frame */
 209        u16 RxMgmtFrameSeqNum;
 210};
 211
 212#define sta_rx_pkts(sta) \
 213        (sta->sta_stats.rx_mgnt_pkts \
 214        + sta->sta_stats.rx_ctrl_pkts \
 215        + sta->sta_stats.rx_data_pkts)
 216
 217#define sta_last_rx_pkts(sta) \
 218        (sta->sta_stats.last_rx_mgnt_pkts \
 219        + sta->sta_stats.last_rx_ctrl_pkts \
 220        + sta->sta_stats.last_rx_data_pkts)
 221
 222#define sta_rx_data_pkts(sta) \
 223        (sta->sta_stats.rx_data_pkts)
 224
 225#define sta_last_rx_data_pkts(sta) \
 226        (sta->sta_stats.last_rx_data_pkts)
 227
 228#define sta_rx_mgnt_pkts(sta) \
 229        (sta->sta_stats.rx_mgnt_pkts)
 230
 231#define sta_last_rx_mgnt_pkts(sta) \
 232        (sta->sta_stats.last_rx_mgnt_pkts)
 233
 234#define sta_rx_beacon_pkts(sta) \
 235        (sta->sta_stats.rx_beacon_pkts)
 236
 237#define sta_last_rx_beacon_pkts(sta) \
 238        (sta->sta_stats.last_rx_beacon_pkts)
 239
 240#define sta_rx_probereq_pkts(sta) \
 241        (sta->sta_stats.rx_probereq_pkts)
 242
 243#define sta_last_rx_probereq_pkts(sta) \
 244        (sta->sta_stats.last_rx_probereq_pkts)
 245
 246#define sta_rx_probersp_pkts(sta) \
 247        (sta->sta_stats.rx_probersp_pkts)
 248
 249#define sta_last_rx_probersp_pkts(sta) \
 250        (sta->sta_stats.last_rx_probersp_pkts)
 251
 252#define sta_rx_probersp_bm_pkts(sta) \
 253        (sta->sta_stats.rx_probersp_bm_pkts)
 254
 255#define sta_last_rx_probersp_bm_pkts(sta) \
 256        (sta->sta_stats.last_rx_probersp_bm_pkts)
 257
 258#define sta_rx_probersp_uo_pkts(sta) \
 259        (sta->sta_stats.rx_probersp_uo_pkts)
 260
 261#define sta_last_rx_probersp_uo_pkts(sta) \
 262        (sta->sta_stats.last_rx_probersp_uo_pkts)
 263
 264#define sta_update_last_rx_pkts(sta) \
 265do { \
 266        sta->sta_stats.last_rx_mgnt_pkts = sta->sta_stats.rx_mgnt_pkts; \
 267        sta->sta_stats.last_rx_beacon_pkts = sta->sta_stats.rx_beacon_pkts; \
 268        sta->sta_stats.last_rx_probereq_pkts = sta->sta_stats.rx_probereq_pkts; \
 269        sta->sta_stats.last_rx_probersp_pkts = sta->sta_stats.rx_probersp_pkts; \
 270        sta->sta_stats.last_rx_probersp_bm_pkts = sta->sta_stats.rx_probersp_bm_pkts; \
 271        sta->sta_stats.last_rx_probersp_uo_pkts = sta->sta_stats.rx_probersp_uo_pkts; \
 272        sta->sta_stats.last_rx_ctrl_pkts = sta->sta_stats.rx_ctrl_pkts; \
 273        sta->sta_stats.last_rx_data_pkts = sta->sta_stats.rx_data_pkts; \
 274} while (0)
 275
 276#define STA_RX_PKTS_ARG(sta) \
 277        sta->sta_stats.rx_mgnt_pkts \
 278        , sta->sta_stats.rx_ctrl_pkts \
 279        , sta->sta_stats.rx_data_pkts
 280
 281#define STA_LAST_RX_PKTS_ARG(sta) \
 282        sta->sta_stats.last_rx_mgnt_pkts \
 283        , sta->sta_stats.last_rx_ctrl_pkts \
 284        , sta->sta_stats.last_rx_data_pkts
 285
 286#define STA_RX_PKTS_DIFF_ARG(sta) \
 287        sta->sta_stats.rx_mgnt_pkts - sta->sta_stats.last_rx_mgnt_pkts \
 288        , sta->sta_stats.rx_ctrl_pkts - sta->sta_stats.last_rx_ctrl_pkts \
 289        , sta->sta_stats.rx_data_pkts - sta->sta_stats.last_rx_data_pkts
 290
 291#define STA_PKTS_FMT "(m:%llu, c:%llu, d:%llu)"
 292
 293struct  sta_priv {
 294        u8 *pallocated_stainfo_buf;
 295        u8 *pstainfo_buf;
 296        struct __queue free_sta_queue;
 297
 298        spinlock_t sta_hash_lock;
 299        struct list_head sta_hash[NUM_STA];
 300        int asoc_sta_count;
 301        struct __queue sleep_q;
 302        struct __queue wakeup_q;
 303
 304        struct adapter *padapter;
 305
 306        spinlock_t asoc_list_lock;
 307        struct list_head asoc_list;
 308
 309#ifdef CONFIG_88EU_AP_MODE
 310        struct list_head auth_list;
 311        spinlock_t auth_list_lock;
 312        u8 asoc_list_cnt;
 313        u8 auth_list_cnt;
 314
 315        unsigned int auth_to;  /* sec, time to expire in authenticating. */
 316        unsigned int assoc_to; /* sec, time to expire before associating. */
 317        unsigned int expire_to; /* sec , time to expire after associated. */
 318
 319        /* pointers to STA info; based on allocated AID or NULL if AID free
 320         * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
 321         * and so on
 322         */
 323        struct sta_info *sta_aid[NUM_STA];
 324
 325        u16 sta_dz_bitmap;/* only support 15 stations, station aid bitmap
 326                           * for sleeping sta. */
 327        u16 tim_bitmap; /* only support 15 stations, aid=0~15 mapping
 328                         * bit0~bit15 */
 329
 330        u16 max_num_sta;
 331
 332        struct wlan_acl_pool acl_list;
 333#endif
 334
 335};
 336
 337static inline u32 wifi_mac_hash(u8 *mac)
 338{
 339        u32 x;
 340
 341        x = mac[0];
 342        x = (x << 2) ^ mac[1];
 343        x = (x << 2) ^ mac[2];
 344        x = (x << 2) ^ mac[3];
 345        x = (x << 2) ^ mac[4];
 346        x = (x << 2) ^ mac[5];
 347
 348        x ^= x >> 8;
 349        x  = x & (NUM_STA - 1);
 350        return x;
 351}
 352
 353u32 _rtw_init_sta_priv(struct sta_priv *pstapriv);
 354u32 _rtw_free_sta_priv(struct sta_priv *pstapriv);
 355
 356#define stainfo_offset_valid(offset) (offset < NUM_STA && offset >= 0)
 357int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta);
 358struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int off);
 359
 360struct sta_info *rtw_alloc_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
 361u32 rtw_free_stainfo(struct adapter *adapt, struct sta_info *psta);
 362void rtw_free_all_stainfo(struct adapter *adapt);
 363struct sta_info *rtw_get_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
 364u32 rtw_init_bcmc_stainfo(struct adapter *adapt);
 365struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter);
 366u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr);
 367
 368#endif /* _STA_INFO_H_ */
 369