drivers/net/wireless/cw1200/itp.h

   1 /*
   2  * ITP code for ST-Ericsson CW1200 mac80211 driver
   3  *
   4  * Copyright (c) 2011, ST-Ericsson
   5  * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #ifndef CW1200_ITP_H_INCLUDED
  13 #define CW1200_ITP_H_INCLUDED
  14
  15 struct cw200_common;
  16 struct wsm_tx_confirm;
  17 struct dentry;
  18
  19 #ifdef CONFIG_CW1200_ITP
  20
  21 /*extern*/ struct ieee80211_channel;
  22
  23 #define TEST_MODE_NO_TEST       (0)
  24 #define TEST_MODE_RX_TEST       (1)
  25 #define TEST_MODE_TX_TEST       (2)
  26 #define ITP_DEFAULT_DA_ADDR {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
  27 #define ITP_MIN_DATA_SIZE 6
  28 #define ITP_MAX_DATA_SIZE 1600
  29 #define ITP_TIME_THRES_US 10000
  30 #define ITP_US_TO_MS(x) ((x)/1000)
  31 #define ITP_MS_TO_US(x) ((x)*1000)
  32 #define ITP_BUF_SIZE 255
  33
  34
  35 enum cw1200_itp_data_modes {
  36         ITP_DATA_ZEROS,
  37         ITP_DATA_ONES,
  38         ITP_DATA_ZERONES,
  39         ITP_DATA_RANDOM,
  40         ITP_DATA_MAX_MODE,
  41 };
  42
  43 enum cw1200_itp_version_type {
  44         ITP_CHIP_ID,
  45         ITP_FW_VER,
  46 };
  47
  48 enum cw1200_itp_preamble_type {
  49         ITP_PREAMBLE_LONG,
  50         ITP_PREAMBLE_SHORT,
  51         ITP_PREAMBLE_OFDM,
  52         ITP_PREAMBLE_MIXED,
  53         ITP_PREAMBLE_GREENFIELD,
  54         ITP_PREAMBLE_MAX,
  55 };
  56
  57
  58 struct cw1200_itp {
  59         struct cw1200_common    *priv;
  60         atomic_t                open_count;
  61         atomic_t                awaiting_confirm;
  62         struct sk_buff_head     log_queue;
  63         wait_queue_head_t       read_wait;
  64         wait_queue_head_t       write_wait;
  65         wait_queue_head_t       close_wait;
  66         struct ieee80211_channel *saved_channel;
  67         atomic_t                stop_tx;
  68         struct delayed_work     tx_work;
  69         struct delayed_work     tx_finish;
  70         spinlock_t              tx_lock;
  71         struct timespec         last_sent;
  72         atomic_t                test_mode;
  73         int                     rx_cnt;
  74         long                    rx_rssi;
  75         int                     rx_rssi_max;
  76         int                     rx_rssi_min;
  77         unsigned                band;
  78         unsigned                ch;
  79         unsigned                rate;
  80         unsigned                preamble;
  81         unsigned int            number;
  82         unsigned                data_mode;
  83         int                     interval_us;
  84         int                     power;
  85         u8                      *data;
  86         int                     hdr_len;
  87         int                     data_len;
  88 };
  89
  90 int cw1200_itp_init(struct cw1200_common *priv);
  91 void cw1200_itp_release(struct cw1200_common *priv);
  92
  93 bool cw1200_is_itp(struct cw1200_common *priv);
  94 bool cw1200_itp_rxed(struct cw1200_common *priv, struct sk_buff *skb);
  95 void cw1200_itp_wake_up_tx(struct cw1200_common *priv);
  96 int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data,
  97                 size_t *tx_len, int *burst);
  98 bool cw1200_itp_tx_running(struct cw1200_common *priv);
  99
 100 #else /* CONFIG_CW1200_ITP */
 101
 102 static inline int cw1200_itp_init(struct cw1200_common *priv)
 103 {
 104         return 0;
 105 }
 106
 107 static inline void cw1200_itp_release(struct cw1200_common *priv)
 108 {
 109 }
 110
 111 static inline bool cw1200_is_itp(struct cw1200_common *priv)
 112 {
 113         return false;
 114 }
 115
 116 static inline bool cw1200_itp_rxed(struct cw1200_common *priv,
 117                                    struct sk_buff *skb)
 118 {
 119         return false;
 120 }
 121
 122
 123 static inline void cw1200_itp_consume_txed(struct cw1200_common *priv)
 124 {
 125 }
 126
 127 static inline void cw1200_itp_wake_up_tx(struct cw1200_common *priv)
 128 {
 129 }
 130
 131 static inline int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data,
 132                                     size_t *tx_len, int *burst)
 133 {
 134         return 0;
 135 }
 136
 137 static inline bool cw1200_itp_tx_running(struct cw1200_common *priv)
 138 {
 139         return false;
 140 }
 141
 142 #endif /* CONFIG_CW1200_ITP */
 143
 144 #endif /* CW1200_ITP_H_INCLUDED */