sys/bus/u4b/wlan/if_rumvar.h

   1 /*      $FreeBSD: src/sys/dev/usb/wlan/if_rumvar.h,v 1.10 2013/02/11 00:34:54 svnexp Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr>
   5  * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
   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 RUM_TX_LIST_COUNT       8
  21 #define RUM_TX_MINFREE          2
  22
  23 struct rum_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         int8_t          wr_antsignal;
  30         int8_t          wr_antnoise;
  31         uint8_t         wr_antenna;
  32 };
  33
  34 #define RT2573_RX_RADIOTAP_PRESENT                                      \
  35         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  36          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  37          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  38          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |                      \
  39          (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |                       \
  40          (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
  41          0)
  42
  43 struct rum_tx_radiotap_header {
  44         struct ieee80211_radiotap_header wt_ihdr;
  45         uint8_t         wt_flags;
  46         uint8_t         wt_rate;
  47         uint16_t        wt_chan_freq;
  48         uint16_t        wt_chan_flags;
  49         uint8_t         wt_antenna;
  50 };
  51
  52 #define RT2573_TX_RADIOTAP_PRESENT                                      \
  53         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  54          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  55          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  56          (1 << IEEE80211_RADIOTAP_ANTENNA))
  57
  58 struct rum_softc;
  59
  60 struct rum_tx_data {
  61         STAILQ_ENTRY(rum_tx_data)       next;
  62         struct rum_softc                *sc;
  63         struct rum_tx_desc              desc;
  64         struct mbuf                     *m;
  65         struct ieee80211_node           *ni;
  66         int                             rate;
  67 };
  68 typedef STAILQ_HEAD(, rum_tx_data) rum_txdhead;
  69
  70 struct rum_vap {
  71         struct ieee80211vap             vap;
  72         struct ieee80211_beacon_offsets bo;
  73         struct usb_callout              ratectl_ch;
  74         struct task                     ratectl_task;
  75
  76         int                             (*newstate)(struct ieee80211vap *,
  77                                             enum ieee80211_state, int);
  78 };
  79 #define RUM_VAP(vap)    ((struct rum_vap *)(vap))
  80
  81 enum {
  82         RUM_BULK_WR,
  83         RUM_BULK_RD,
  84         RUM_N_TRANSFER = 2,
  85 };
  86
  87 struct rum_softc {
  88         struct ifnet                    *sc_ifp;
  89         device_t                        sc_dev;
  90         struct usb_device               *sc_udev;
  91
  92         struct usb_xfer         *sc_xfer[RUM_N_TRANSFER];
  93
  94         uint8_t                         rf_rev;
  95         uint8_t                         rffreq;
  96
  97         struct rum_tx_data              tx_data[RUM_TX_LIST_COUNT];
  98         rum_txdhead                     tx_q;
  99         rum_txdhead                     tx_free;
 100         int                             tx_nfree;
 101         struct rum_rx_desc              sc_rx_desc;
 102
 103         struct lock                     sc_lock;
 104
 105         uint32_t                        sta[6];
 106         uint32_t                        rf_regs[4];
 107         uint8_t                         txpow[44];
 108         uint8_t                         sc_bssid[6];
 109         uint8_t                         sc_detached;
 110
 111         struct {
 112                 uint8_t val;
 113                 uint8_t reg;
 114         } __packed                      bbp_prom[16];
 115
 116         int                             hw_radio;
 117         int                             rx_ant;
 118         int                             tx_ant;
 119         int                             nb_ant;
 120         int                             ext_2ghz_lna;
 121         int                             ext_5ghz_lna;
 122         int                             rssi_2ghz_corr;
 123         int                             rssi_5ghz_corr;
 124         uint8_t                         bbp17;
 125
 126         struct rum_rx_radiotap_header   sc_rxtap;
 127         int                             sc_rxtap_len;
 128
 129         struct rum_tx_radiotap_header   sc_txtap;
 130         int                             sc_txtap_len;
 131 };
 132
 133 #define RUM_LOCK(sc)            lockmgr(&(sc)->sc_lock, LK_EXCLUSIVE)
 134 #define RUM_UNLOCK(sc)          lockmgr(&(sc)->sc_lock, LK_RELEASE)
 135 #define RUM_LOCK_ASSERT(sc, t)  KKASSERT(lockstatus(&(sc)->sc_lock, curthread) != 0)