sys/dev/usb/if_uralvar.h

   1 /*      $FreeBSD$       */
   2
   3 /*-
   4  * Copyright (c) 2005
   5  *      Damien Bergamini <damien.bergamini@free.fr>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #define RAL_RX_LIST_COUNT       1
  21 #define RAL_TX_LIST_COUNT       1
  22
  23 struct ural_rx_radiotap_header {
  24         struct ieee80211_radiotap_header wr_ihdr;
  25         uint8_t         wr_flags;
  26         uint8_t         wr_rate;
  27         uint16_t        wr_chan_freq;
  28         uint16_t        wr_chan_flags;
  29         uint8_t         wr_antenna;
  30         uint8_t         wr_antsignal;
  31 };
  32
  33 #define RAL_RX_RADIOTAP_PRESENT                                         \
  34         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  35          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  36          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  37          (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
  38          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
  39
  40 struct ural_tx_radiotap_header {
  41         struct ieee80211_radiotap_header wt_ihdr;
  42         uint8_t         wt_flags;
  43         uint8_t         wt_rate;
  44         uint16_t        wt_chan_freq;
  45         uint16_t        wt_chan_flags;
  46         uint8_t         wt_antenna;
  47 };
  48
  49 #define RAL_TX_RADIOTAP_PRESENT                                         \
  50         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  51          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  52          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  53          (1 << IEEE80211_RADIOTAP_ANTENNA))
  54
  55 struct ural_softc;
  56
  57 struct ural_tx_data {
  58         struct ural_softc       *sc;
  59         usbd_xfer_handle        xfer;
  60         uint8_t                 *buf;
  61         struct mbuf             *m;
  62         struct ieee80211_node   *ni;
  63 };
  64
  65 struct ural_rx_data {
  66         struct ural_softc       *sc;
  67         usbd_xfer_handle        xfer;
  68         uint8_t                 *buf;
  69         struct mbuf             *m;
  70 };
  71
  72 struct ural_amrr {
  73         int     txcnt;
  74         int     retrycnt;
  75         int     success;
  76         int     success_threshold;
  77         int     recovery;
  78 };
  79
  80 struct ural_softc {
  81         struct ifnet                    *sc_ifp;
  82         struct ieee80211com             sc_ic;
  83         int                             (*sc_newstate)(struct ieee80211com *,
  84                                             enum ieee80211_state, int);
  85         USBBASEDEVICE                   sc_dev;
  86         usbd_device_handle              sc_udev;
  87         usbd_interface_handle           sc_iface;
  88
  89         int                             sc_rx_no;
  90         int                             sc_tx_no;
  91
  92         uint32_t                        asic_rev;
  93         uint8_t                         rf_rev;
  94
  95         usbd_xfer_handle                amrr_xfer;
  96
  97         usbd_pipe_handle                sc_rx_pipeh;
  98         usbd_pipe_handle                sc_tx_pipeh;
  99
 100         enum ieee80211_state            sc_state;
 101         struct usb_task                 sc_task;
 102
 103         struct ural_amrr                amrr;
 104
 105         struct ural_rx_data             rx_data[RAL_RX_LIST_COUNT];
 106         struct ural_tx_data             tx_data[RAL_TX_LIST_COUNT];
 107         int                             tx_queued;
 108
 109         struct ieee80211_beacon_offsets sc_bo;
 110
 111         struct mtx                      sc_mtx;
 112
 113         struct callout                  scan_ch;
 114         struct callout                  amrr_ch;
 115
 116         int                             sc_tx_timer;
 117
 118         uint16_t                        sta[11];
 119         uint32_t                        rf_regs[4];
 120         uint8_t                         txpow[14];
 121
 122         struct {
 123                 uint8_t                 val;
 124                 uint8_t                 reg;
 125         } __packed                      bbp_prom[16];
 126
 127         int                             led_mode;
 128         int                             hw_radio;
 129         int                             rx_ant;
 130         int                             tx_ant;
 131         int                             nb_ant;
 132
 133         struct bpf_if                   *sc_drvbpf;
 134
 135         union {
 136                 struct ural_rx_radiotap_header th;
 137                 uint8_t pad[64];
 138         }                               sc_rxtapu;
 139 #define sc_rxtap        sc_rxtapu.th
 140         int                             sc_rxtap_len;
 141
 142         union {
 143                 struct ural_tx_radiotap_header th;
 144                 uint8_t pad[64];
 145         }                               sc_txtapu;
 146 #define sc_txtap        sc_txtapu.th
 147         int                             sc_txtap_len;
 148 };
 149
 150 #if 0
 151 #define RAL_LOCK(sc)    mtx_lock(&(sc)->sc_mtx)
 152 #define RAL_UNLOCK(sc)  mtx_unlock(&(sc)->sc_mtx)
 153 #else
 154 #define RAL_LOCK(sc)    do { ((sc) = (sc)); mtx_lock(&Giant); } while (0)
 155 #define RAL_UNLOCK(sc)  mtx_unlock(&Giant)
 156 #endif