The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ral/rt2661var.h

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    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 struct rt2661_rx_radiotap_header {
   21         struct ieee80211_radiotap_header wr_ihdr;
   22         uint64_t        wr_tsf;
   23         uint8_t         wr_flags;
   24         uint8_t         wr_rate;
   25         uint16_t        wr_chan_freq;
   26         uint16_t        wr_chan_flags;
   27         uint8_t         wr_antsignal;
   28 } __packed;
   29 
   30 #define RT2661_RX_RADIOTAP_PRESENT                                      \
   31         ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
   32          (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   33          (1 << IEEE80211_RADIOTAP_RATE) |                               \
   34          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   35          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
   36 
   37 struct rt2661_tx_radiotap_header {
   38         struct ieee80211_radiotap_header wt_ihdr;
   39         uint8_t         wt_flags;
   40         uint8_t         wt_rate;
   41         uint16_t        wt_chan_freq;
   42         uint16_t        wt_chan_flags;
   43 } __packed;
   44 
   45 #define RT2661_TX_RADIOTAP_PRESENT                                      \
   46         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   47          (1 << IEEE80211_RADIOTAP_RATE) |                               \
   48          (1 << IEEE80211_RADIOTAP_CHANNEL))
   49 
   50 struct rt2661_tx_data {
   51         bus_dmamap_t            map;
   52         struct mbuf             *m;
   53         struct ieee80211_node   *ni;
   54         struct ral_rssdesc      id;
   55 };
   56 
   57 struct rt2661_tx_ring {
   58         bus_dma_tag_t           desc_dmat;
   59         bus_dma_tag_t           data_dmat;
   60         bus_dmamap_t            desc_map;
   61         bus_addr_t              physaddr;
   62         struct rt2661_tx_desc   *desc;
   63         struct rt2661_tx_data   *data;
   64         int                     count;
   65         int                     queued;
   66         int                     cur;
   67         int                     next;
   68         int                     stat;
   69 };
   70 
   71 struct rt2661_rx_data {
   72         bus_dmamap_t    map;
   73         struct mbuf     *m;
   74 };
   75 
   76 struct rt2661_rx_ring {
   77         bus_dma_tag_t           desc_dmat;
   78         bus_dma_tag_t           data_dmat;
   79         bus_dmamap_t            desc_map;
   80         bus_addr_t              physaddr;
   81         struct rt2661_rx_desc   *desc;
   82         struct rt2661_rx_data   *data;
   83         int                     count;
   84         int                     cur;
   85         int                     next;
   86 };
   87 
   88 struct rt2661_node {
   89         struct ieee80211_node   ni;
   90         struct ral_rssadapt     rssadapt;
   91 };
   92 
   93 struct rt2661_softc {
   94         struct ifnet                    *sc_ifp;
   95         struct ieee80211com             sc_ic;
   96         int                             (*sc_newstate)(struct ieee80211com *,
   97                                             enum ieee80211_state, int);
   98         device_t                        sc_dev;
   99         bus_space_tag_t                 sc_st;
  100         bus_space_handle_t              sc_sh;
  101 
  102         struct mtx                      sc_mtx;
  103 
  104         struct callout                  scan_ch;
  105         struct callout                  rssadapt_ch;
  106 
  107         int                             sc_tx_timer;
  108 
  109         struct ieee80211_channel        *sc_curchan;
  110 
  111         uint8_t                         rf_rev;
  112 
  113         uint8_t                         rfprog;
  114         uint8_t                         rffreq;
  115 
  116         struct rt2661_tx_ring           txq[4];
  117         struct rt2661_tx_ring           mgtq;
  118         struct rt2661_rx_ring           rxq;
  119 
  120         uint32_t                        rf_regs[4];
  121         int8_t                          txpow[38];
  122 
  123         struct {
  124                 uint8_t reg;
  125                 uint8_t val;
  126         }                               bbp_prom[16];
  127 
  128         int                             hw_radio;
  129         int                             rx_ant;
  130         int                             tx_ant;
  131         int                             nb_ant;
  132         int                             ext_2ghz_lna;
  133         int                             ext_5ghz_lna;
  134         int                             rssi_2ghz_corr;
  135         int                             rssi_5ghz_corr;
  136 
  137         uint8_t                         bbp18;
  138         uint8_t                         bbp21;
  139         uint8_t                         bbp22;
  140         uint8_t                         bbp16;
  141         uint8_t                         bbp17;
  142         uint8_t                         bbp64;
  143 
  144         int                             dwelltime;
  145 
  146         struct bpf_if                   *sc_drvbpf;
  147 
  148         union {
  149                 struct rt2661_rx_radiotap_header th;
  150                 uint8_t pad[64];
  151         }                               sc_rxtapu;
  152 #define sc_rxtap        sc_rxtapu.th
  153         int                             sc_rxtap_len;
  154 
  155         union {
  156                 struct rt2661_tx_radiotap_header th;
  157                 uint8_t pad[64];
  158         }                               sc_txtapu;
  159 #define sc_txtap        sc_txtapu.th
  160         int                             sc_txtap_len;
  161 };
  162 
  163 int     rt2661_attach(device_t, int);
  164 int     rt2661_detach(void *);
  165 void    rt2661_shutdown(void *);
  166 void    rt2661_suspend(void *);
  167 void    rt2661_resume(void *);
  168 void    rt2661_intr(void *);
  169 
  170 #define RAL_LOCK(sc)    mtx_lock(&(sc)->sc_mtx)
  171 #define RAL_UNLOCK(sc)  mtx_unlock(&(sc)->sc_mtx)

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