sys/dev/usb/wlan/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_TX_LIST_COUNT       8
  21 #define RAL_TX_MINFREE          2
  22
  23 #define URAL_SCAN_START         1
  24 #define URAL_SCAN_END           2
  25 #define URAL_SET_CHANNEL        3
  26
  27 struct ural_rx_radiotap_header {
  28         struct ieee80211_radiotap_header wr_ihdr;
  29         uint8_t         wr_flags;
  30         uint8_t         wr_rate;
  31         uint16_t        wr_chan_freq;
  32         uint16_t        wr_chan_flags;
  33         int8_t          wr_antsignal;
  34         int8_t          wr_antnoise;
  35         uint8_t         wr_antenna;
  36 } __packed __aligned(8);
  37
  38 #define RAL_RX_RADIOTAP_PRESENT                                         \
  39         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  40          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  41          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  42          (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
  43          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |                      \
  44          (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
  45
  46 struct ural_tx_radiotap_header {
  47         struct ieee80211_radiotap_header wt_ihdr;
  48         uint8_t         wt_flags;
  49         uint8_t         wt_rate;
  50         uint16_t        wt_chan_freq;
  51         uint16_t        wt_chan_flags;
  52         uint8_t         wt_antenna;
  53 } __packed;
  54
  55 #define RAL_TX_RADIOTAP_PRESENT                                         \
  56         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  57          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  58          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  59          (1 << IEEE80211_RADIOTAP_ANTENNA))
  60
  61 struct ural_softc;
  62
  63 struct ural_tx_data {
  64         STAILQ_ENTRY(ural_tx_data)      next;
  65         struct ural_softc               *sc;
  66         struct ural_tx_desc             desc;
  67         struct mbuf                     *m;
  68         struct ieee80211_node           *ni;
  69         int                             rate;
  70 };
  71 typedef STAILQ_HEAD(, ural_tx_data) ural_txdhead;
  72
  73 struct ural_vap {
  74         struct ieee80211vap             vap;
  75
  76         struct usb_callout              ratectl_ch;
  77         struct task                     ratectl_task;
  78
  79         int                             (*newstate)(struct ieee80211vap *,
  80                                             enum ieee80211_state, int);
  81 };
  82 #define URAL_VAP(vap)   ((struct ural_vap *)(vap))
  83
  84 enum {
  85         URAL_BULK_WR,
  86         URAL_BULK_RD,
  87         URAL_N_TRANSFER = 2,
  88 };
  89
  90 struct ural_softc {
  91         struct ieee80211com             sc_ic;
  92         struct ieee80211_ratectl_tx_stats sc_txs;
  93         struct mbufq                    sc_snd;
  94         device_t                        sc_dev;
  95         struct usb_device               *sc_udev;
  96
  97         uint32_t                        asic_rev;
  98         uint8_t                         rf_rev;
  99
 100         struct usb_xfer                 *sc_xfer[URAL_N_TRANSFER];
 101
 102         struct ural_tx_data             tx_data[RAL_TX_LIST_COUNT];
 103         ural_txdhead                    tx_q;
 104         ural_txdhead                    tx_free;
 105         int                             tx_nfree;
 106         struct ural_rx_desc             sc_rx_desc;
 107
 108         struct mtx                      sc_mtx;
 109
 110         uint16_t                        sta[11];
 111         uint32_t                        rf_regs[4];
 112         uint8_t                         txpow[14];
 113         u_int                           sc_detached:1,
 114                                         sc_running:1;
 115
 116         uint8_t                         sc_bssid[IEEE80211_ADDR_LEN];
 117
 118         struct {
 119                 uint8_t                 val;
 120                 uint8_t                 reg;
 121         } __packed                      bbp_prom[16];
 122
 123         int                             led_mode;
 124         int                             hw_radio;
 125         int                             rx_ant;
 126         int                             tx_ant;
 127         int                             nb_ant;
 128
 129         struct ural_rx_radiotap_header  sc_rxtap;
 130         struct ural_tx_radiotap_header  sc_txtap;
 131 };
 132
 133 #define RAL_LOCK(sc)            mtx_lock(&(sc)->sc_mtx)
 134 #define RAL_UNLOCK(sc)          mtx_unlock(&(sc)->sc_mtx)
 135 #define RAL_LOCK_ASSERT(sc, t)  mtx_assert(&(sc)->sc_mtx, t)