drivers/staging/rtl8188eu/include/rtw

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This source file includes following definitions.
translate_percentage_to_dbm
   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7 #ifndef _RTW_RECV_H_
   8 #define _RTW_RECV_H_
   9 
  10 #include <osdep_service.h>
  11 #include <drv_types.h>
  12 
  13 
  14 #define NR_RECVFRAME 256
  15 
  16 #define RXFRAME_ALIGN   8
  17 #define RXFRAME_ALIGN_SZ        (1<<RXFRAME_ALIGN)
  18 
  19 #define MAX_RXFRAME_CNT 512
  20 #define MAX_RX_NUMBLKS          (32)
  21 #define RECVFRAME_HDR_ALIGN 128
  22 
  23 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
  24 
  25 #define MAX_SUBFRAME_COUNT      64
  26 
  27 /* for Rx reordering buffer control */
  28 struct recv_reorder_ctrl {
  29         struct adapter  *padapter;
  30         bool enable;
  31         u16 indicate_seq;/* wstart_b, init_value=0xffff */
  32         u16 wend_b;
  33         u8 wsize_b;
  34         struct __queue pending_recvframe_queue;
  35         struct timer_list reordering_ctrl_timer;
  36 };
  37 
  38 struct  stainfo_rxcache {
  39         u16     tid_rxseq[16];
  40 /*
  41  *      unsigned short  tid0_rxseq;
  42  *      unsigned short  tid1_rxseq;
  43  *      unsigned short  tid2_rxseq;
  44  *      unsigned short  tid3_rxseq;
  45  *      unsigned short  tid4_rxseq;
  46  *      unsigned short  tid5_rxseq;
  47  *      unsigned short  tid6_rxseq;
  48  *      unsigned short  tid7_rxseq;
  49  *      unsigned short  tid8_rxseq;
  50  *      unsigned short  tid9_rxseq;
  51  *      unsigned short  tid10_rxseq;
  52  *      unsigned short  tid11_rxseq;
  53  *      unsigned short  tid12_rxseq;
  54  *      unsigned short  tid13_rxseq;
  55  *      unsigned short  tid14_rxseq;
  56  *      unsigned short  tid15_rxseq;
  57  */
  58 };
  59 
  60 struct signal_stat {
  61         u8      update_req;             /* used to indicate */
  62         u8      avg_val;                /* avg of valid elements */
  63         u32     total_num;              /* num of valid elements */
  64         u32     total_val;              /* sum of valid elements */
  65 };
  66 #define MAX_PATH_NUM_92CS               3
  67 struct phy_info {
  68         u8      RxPWDBAll;
  69         u8      SignalQuality;   /*  in 0-100 index. */
  70         u8      RxMIMOSignalQuality[MAX_PATH_NUM_92CS]; /* EVM */
  71         u8      RxMIMOSignalStrength[MAX_PATH_NUM_92CS];/*  in 0~100 index */
  72         s8      RxPower; /*  in dBm Translate from PWdB */
  73 /*  Real power in dBm for this packet, no beautification and aggregation.
  74  * Keep this raw info to be used for the other procedures.
  75  */
  76         s8      recvpower;
  77         u8      BTRxRSSIPercentage;
  78         u8      SignalStrength; /*  in 0-100 index. */
  79         u8      RxPwr[MAX_PATH_NUM_92CS];/* per-path's pwdb */
  80         u8      RxSNR[MAX_PATH_NUM_92CS];/* per-path's SNR */
  81 };
  82 
  83 struct rx_pkt_attrib {
  84         u16     pkt_len;
  85         u8      physt;
  86         u8      drvinfo_sz;
  87         u8      shift_sz;
  88         u8      hdrlen; /* the WLAN Header Len */
  89         u8      to_fr_ds;
  90         u8      amsdu;
  91         u8      qos;
  92         u8      priority;
  93         u8      pw_save;
  94         u8      mdata;
  95         u16     seq_num;
  96         u8      frag_num;
  97         u8      mfrag;
  98         u8      order;
  99         u8      privacy; /* in frame_ctrl field */
 100         u8      bdecrypted;
 101         u8      encrypt; /* when 0 indicate no encrypt. when non-zero,
 102                           * indicate the encrypt algorithm
 103                           */
 104         u8      iv_len;
 105         u8      icv_len;
 106         u8      crc_err;
 107         u8      icv_err;
 108 
 109         u16 eth_type;
 110 
 111         u8      dst[ETH_ALEN];
 112         u8      src[ETH_ALEN];
 113         u8      ta[ETH_ALEN];
 114         u8      ra[ETH_ALEN];
 115         u8      bssid[ETH_ALEN];
 116 
 117         u8 ack_policy;
 118 
 119         u8      key_index;
 120 
 121         u8      mcs_rate;
 122         u8      rxht;
 123         u8      sgi;
 124         u8      pkt_rpt_type;
 125         u32     MacIDValidEntry[2];     /*  64 bits present 64 entry. */
 126 
 127         struct phy_info phy_info;
 128 };
 129 
 130 
 131 /* These definition is used for Rx packet reordering. */
 132 #define SN_LESS(a, b)           (((a - b) & 0x800) != 0)
 133 #define SN_EQUAL(a, b)  (a == b)
 134 #define REORDER_WAIT_TIME       (50) /*  (ms) */
 135 
 136 #define RXDESC_SIZE     24
 137 #define RXDESC_OFFSET RXDESC_SIZE
 138 
 139 struct recv_stat {
 140         __le32 rxdw0;
 141         __le32 rxdw1;
 142         __le32 rxdw2;
 143         __le32 rxdw3;
 144         __le32 rxdw4;
 145         __le32 rxdw5;
 146 };
 147 
 148 /*
 149  * accesser of recv_priv: rtw_recv_entry(dispatch / passive level);
 150  * recv_thread(passive) ; returnpkt(dispatch)
 151  * ; halt(passive) ;
 152  *
 153  * using enter_critical section to protect
 154  */
 155 struct recv_priv {
 156         struct __queue free_recv_queue;
 157         struct __queue recv_pending_queue;
 158         struct __queue uc_swdec_pending_queue;
 159         void *pallocated_frame_buf;
 160         struct adapter  *adapter;
 161         u32     bIsAnyNonBEPkts;
 162         u64     rx_bytes;
 163         u64     rx_pkts;
 164         u64     rx_drop;
 165         u64     last_rx_bytes;
 166 
 167         struct tasklet_struct irq_prepare_beacon_tasklet;
 168         struct tasklet_struct recv_tasklet;
 169         struct sk_buff_head free_recv_skb_queue;
 170         struct sk_buff_head rx_skb_queue;
 171         struct recv_buf *precv_buf;    /*  4 alignment */
 172         struct __queue free_recv_buf_queue;
 173         /* For display the phy information */
 174         s8 rssi;
 175         s8 rxpwdb;
 176         u8 signal_strength;
 177         u8 signal_qual;
 178         u8 noise;
 179         s8 RxRssi[2];
 180 
 181         struct timer_list signal_stat_timer;
 182         u32 signal_stat_sampling_interval;
 183         struct signal_stat signal_qual_data;
 184         struct signal_stat signal_strength_data;
 185 };
 186 
 187 #define rtw_set_signal_stat_timer(recvpriv)                     \
 188         mod_timer(&(recvpriv)->signal_stat_timer, jiffies +     \
 189                   msecs_to_jiffies((recvpriv)->signal_stat_sampling_interval))
 190 
 191 struct sta_recv_priv {
 192         spinlock_t lock;
 193         int     option;
 194         struct __queue defrag_q; /* keeping the fragment frame until defrag */
 195         struct  stainfo_rxcache rxcache;
 196 };
 197 
 198 struct recv_buf {
 199         struct adapter *adapter;
 200         struct urb *purb;
 201         struct sk_buff *pskb;
 202         u8      reuse;
 203 };
 204 
 205 /*
 206  *      head  ----->
 207  *
 208  *              data  ----->
 209  *
 210  *                      payload
 211  *
 212  *              tail  ----->
 213  *
 214  *
 215  *      end   ----->
 216  *
 217  *      len = (unsigned int )(tail - data);
 218  *
 219  */
 220 struct recv_frame {
 221         struct list_head list;
 222         struct sk_buff   *pkt;
 223         struct adapter  *adapter;
 224         struct rx_pkt_attrib attrib;
 225         struct sta_info *psta;
 226         /* for A-MPDU Rx reordering buffer control */
 227         struct recv_reorder_ctrl *preorder_ctrl;
 228 };
 229 
 230 struct recv_frame *_rtw_alloc_recvframe(struct __queue *pfree_recv_queue);
 231 struct recv_frame *rtw_alloc_recvframe(struct __queue *pfree_recv_queue);
 232 void rtw_init_recvframe(struct recv_frame *precvframe,
 233                         struct recv_priv *precvpriv);
 234 int  rtw_free_recvframe(struct recv_frame *precvframe,
 235                         struct __queue *pfree_recv_queue);
 236 #define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
 237 int _rtw_enqueue_recvframe(struct recv_frame *precvframe,
 238                            struct __queue *queue);
 239 int rtw_enqueue_recvframe(struct recv_frame *precvframe, struct __queue *queue);
 240 void rtw_free_recvframe_queue(struct __queue *pframequeue,
 241                               struct __queue *pfree_recv_queue);
 242 u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter);
 243 
 244 void rtw_reordering_ctrl_timeout_handler(struct timer_list *t);
 245 
 246 static inline s32 translate_percentage_to_dbm(u32 sig_stren_index)
 247 {
 248         s32     power; /*  in dBm. */
 249 
 250         /*  Translate to dBm (x=0.5y-95). */
 251         power = (s32)((sig_stren_index + 1) >> 1);
 252         power -= 95;
 253 
 254         return power;
 255 }
 256 
 257 
 258 struct sta_info;
 259 
 260 void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
 261 
 262 void  mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame);
 263 
 264 #endif
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/staging/rtl8188eu/include/rtw_recv.h

INCLUDED FROM

DEFINITIONS
