if_urtwvar.h

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    1 /*      $FreeBSD$       */
    2 
    3 /*-
    4  * Copyright (c) 2008 Weongyo Jeong <weongyo@FreeBSD.org>
    5  *
    6  * Permission to use, copy, modify, and distribute this software for any
    7  * purpose with or without fee is hereby granted, provided that the above
    8  * copyright notice and this permission notice appear in all copies.
    9  *
   10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   17  */
   18 
   19 enum {
   20         URTW_8187B_BULK_RX,
   21         URTW_8187B_BULK_TX_STATUS,
   22         URTW_8187B_BULK_TX_BE,
   23         URTW_8187B_BULK_TX_BK,
   24         URTW_8187B_BULK_TX_VI,
   25         URTW_8187B_BULK_TX_VO,
   26         URTW_8187B_BULK_TX_EP12,
   27         URTW_8187B_N_XFERS = 7
   28 };
   29 
   30 enum {
   31         URTW_8187L_BULK_RX,
   32         URTW_8187L_BULK_TX_LOW,
   33         URTW_8187L_BULK_TX_NORMAL,
   34         URTW_8187L_N_XFERS = 3
   35 };
   36 
   37 /* XXX no definition at net80211?  */
   38 #define URTW_MAX_CHANNELS               15
   39 
   40 struct urtw_data {
   41         struct urtw_softc       *sc;
   42         uint8_t                 *buf;
   43         uint16_t                buflen;
   44         struct mbuf             *m;
   45         struct ieee80211_node   *ni;            /* NB: tx only */
   46         STAILQ_ENTRY(urtw_data) next;
   47 };
   48 typedef STAILQ_HEAD(, urtw_data) urtw_datahead;
   49 
   50 #define URTW_RX_DATA_LIST_COUNT         4
   51 #define URTW_TX_DATA_LIST_COUNT         16
   52 #define URTW_RX_MAXSIZE                 0x9c4
   53 #define URTW_TX_MAXSIZE                 0x9c4
   54 #define URTW_TX_MAXRETRY                11
   55 
   56 struct urtw_rx_radiotap_header {
   57         struct ieee80211_radiotap_header wr_ihdr;
   58         uint64_t        wr_tsf;
   59         uint8_t         wr_flags;
   60         uint8_t         wr_pad;
   61         uint16_t        wr_chan_freq;
   62         uint16_t        wr_chan_flags;
   63         int8_t          wr_dbm_antsignal;
   64 } __packed __aligned(8);
   65 
   66 #define URTW_RX_RADIOTAP_PRESENT                                        \
   67         ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
   68          (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   69          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   70          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL))
   71 
   72 struct urtw_tx_radiotap_header {
   73         struct ieee80211_radiotap_header wt_ihdr;
   74         uint8_t         wt_flags;
   75         uint8_t         wt_pad;
   76         uint16_t        wt_chan_freq;
   77         uint16_t        wt_chan_flags;
   78 } __packed;
   79 
   80 #define URTW_TX_RADIOTAP_PRESENT                                        \
   81         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   82          (1 << IEEE80211_RADIOTAP_CHANNEL))
   83 
   84 struct urtw_stats {
   85         unsigned                        txrates[12];
   86 };
   87 
   88 struct urtw_vap {
   89         struct ieee80211vap             vap;
   90         int                             (*newstate)(struct ieee80211vap *,
   91                                             enum ieee80211_state, int);
   92 };
   93 #define URTW_VAP(vap)   ((struct urtw_vap *)(vap))
   94 
   95 struct urtw_softc {
   96         struct ieee80211com             sc_ic;
   97         struct mbufq                    sc_snd;
   98         device_t                        sc_dev;
   99         struct usb_device               *sc_udev;
  100         struct mtx                      sc_mtx;
  101         void                            *sc_tx_dma_buf;
  102 
  103         int                             sc_debug;
  104         int                             sc_flags;
  105 #define URTW_INIT_ONCE                  (1 << 1)
  106 #define URTW_RTL8187B                   (1 << 2)
  107 #define URTW_RTL8187B_REV_B             (1 << 3)
  108 #define URTW_RTL8187B_REV_D             (1 << 4)
  109 #define URTW_RTL8187B_REV_E             (1 << 5)
  110 #define URTW_DETACHED                   (1 << 6)
  111 #define URTW_RUNNING                    (1 << 7)
  112         enum ieee80211_state            sc_state;
  113 
  114         int                             sc_epromtype;
  115 #define URTW_EEPROM_93C46               0
  116 #define URTW_EEPROM_93C56               1
  117         uint8_t                         sc_crcmon;
  118 
  119         struct ieee80211_channel        *sc_curchan;
  120 
  121         /* for RF  */
  122         usb_error_t                     (*sc_rf_init)(struct urtw_softc *);
  123         usb_error_t                     (*sc_rf_set_chan)(struct urtw_softc *,
  124                                             int);
  125         usb_error_t                     (*sc_rf_set_sens)(struct urtw_softc *,
  126                                             int);
  127         usb_error_t                     (*sc_rf_stop)(struct urtw_softc *);
  128         uint8_t                         sc_rfchip;
  129         uint32_t                        sc_max_sens;
  130         uint32_t                        sc_sens;
  131         /* for LED  */
  132         struct usb_callout              sc_led_ch;
  133         struct task                     sc_led_task;
  134         uint8_t                         sc_psr;
  135         uint8_t                         sc_strategy;
  136 #define URTW_LED_GPIO                   1
  137         uint8_t                         sc_gpio_ledon;
  138         uint8_t                         sc_gpio_ledinprogress;
  139         uint8_t                         sc_gpio_ledstate;
  140         uint8_t                         sc_gpio_ledpin;
  141         uint8_t                         sc_gpio_blinktime;
  142         uint8_t                         sc_gpio_blinkstate;
  143         /* RX/TX */
  144         struct usb_xfer         *sc_xfer[URTW_8187B_N_XFERS];
  145 #define URTW_PRIORITY_LOW               0
  146 #define URTW_PRIORITY_NORMAL            1
  147 #define URTW_DATA_TIMEOUT               10000           /* 10 sec  */
  148 #define URTW_8187B_TXPIPE_BE            0x6     /* best effort */
  149 #define URTW_8187B_TXPIPE_BK            0x7     /* background */
  150 #define URTW_8187B_TXPIPE_VI            0x5     /* video */
  151 #define URTW_8187B_TXPIPE_VO            0x4     /* voice */
  152 #define URTW_8187B_TXPIPE_MAX           4
  153         struct urtw_data                sc_rx[URTW_RX_DATA_LIST_COUNT];
  154         urtw_datahead                   sc_rx_active;
  155         urtw_datahead                   sc_rx_inactive;
  156         struct urtw_data                sc_tx[URTW_TX_DATA_LIST_COUNT];
  157         urtw_datahead                   sc_tx_active;
  158         urtw_datahead                   sc_tx_inactive;
  159         urtw_datahead                   sc_tx_pending;
  160         uint8_t                         sc_rts_retry;
  161         uint8_t                         sc_tx_retry;
  162         uint8_t                         sc_preamble_mode;
  163 #define URTW_PREAMBLE_MODE_SHORT        1
  164 #define URTW_PREAMBLE_MODE_LONG         2
  165         struct callout                  sc_watchdog_ch;
  166         int                             sc_txtimer;
  167         int                             sc_currate;
  168         /* TX power  */
  169         uint8_t                         sc_txpwr_cck[URTW_MAX_CHANNELS];
  170         uint8_t                         sc_txpwr_cck_base;
  171         uint8_t                         sc_txpwr_ofdm[URTW_MAX_CHANNELS];
  172         uint8_t                         sc_txpwr_ofdm_base;
  173 
  174         uint8_t                         sc_acmctl;
  175         uint64_t                        sc_txstatus;    /* only for 8187B */
  176         struct task                     sc_updateslot_task;
  177 
  178         struct urtw_stats               sc_stats;
  179 
  180         struct  urtw_rx_radiotap_header sc_rxtap;
  181         struct  urtw_tx_radiotap_header sc_txtap;
  182 };
  183 
  184 #define URTW_LOCK(sc)                   mtx_lock(&(sc)->sc_mtx)
  185 #define URTW_UNLOCK(sc)                 mtx_unlock(&(sc)->sc_mtx)
  186 #define URTW_ASSERT_LOCKED(sc)          mtx_assert(&(sc)->sc_mtx, MA_OWNED)

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FreeBSD/Linux Kernel Cross Reference sys/dev/usb/wlan/if_urtwvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/wlan/if_urtwvar.h