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/rt2560var.h

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    1 /*      $FreeBSD$       */
    2 
    3 /*-
    4  * Copyright (c) 2005, 2006
    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 rt2560_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_antenna;
   28         uint8_t         wr_antsignal;
   29 };
   30 
   31 #define RT2560_RX_RADIOTAP_PRESENT                                      \
   32         ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
   33          (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   34          (1 << IEEE80211_RADIOTAP_RATE) |                               \
   35          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   36          (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
   37          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
   38 
   39 struct rt2560_tx_radiotap_header {
   40         struct ieee80211_radiotap_header wt_ihdr;
   41         uint8_t         wt_flags;
   42         uint8_t         wt_rate;
   43         uint16_t        wt_chan_freq;
   44         uint16_t        wt_chan_flags;
   45         uint8_t         wt_antenna;
   46 };
   47 
   48 #define RT2560_TX_RADIOTAP_PRESENT                                      \
   49         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   50          (1 << IEEE80211_RADIOTAP_RATE) |                               \
   51          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   52          (1 << IEEE80211_RADIOTAP_ANTENNA))
   53 
   54 struct rt2560_tx_data {
   55         bus_dmamap_t                    map;
   56         struct mbuf                     *m;
   57         struct ieee80211_node           *ni;
   58         struct ral_rssdesc              id;
   59 };
   60 
   61 struct rt2560_tx_ring {
   62         bus_dma_tag_t           desc_dmat;
   63         bus_dma_tag_t           data_dmat;
   64         bus_dmamap_t            desc_map;
   65         bus_addr_t              physaddr;
   66         struct rt2560_tx_desc   *desc;
   67         struct rt2560_tx_data   *data;
   68         int                     count;
   69         int                     queued;
   70         int                     cur;
   71         int                     next;
   72         int                     cur_encrypt;
   73         int                     next_encrypt;
   74 };
   75 
   76 struct rt2560_rx_data {
   77         bus_dmamap_t    map;
   78         struct mbuf     *m;
   79         int             drop;
   80 };
   81 
   82 struct rt2560_rx_ring {
   83         bus_dma_tag_t           desc_dmat;
   84         bus_dma_tag_t           data_dmat;
   85         bus_dmamap_t            desc_map;
   86         bus_addr_t              physaddr;
   87         struct rt2560_rx_desc   *desc;
   88         struct rt2560_rx_data   *data;
   89         int                     count;
   90         int                     cur;
   91         int                     next;
   92         int                     cur_decrypt;
   93 };
   94 
   95 struct rt2560_node {
   96         struct ieee80211_node   ni;
   97         struct ral_rssadapt     rssadapt;
   98 };
   99 
  100 struct rt2560_softc {
  101         struct ifnet            *sc_ifp;
  102         struct ieee80211com     sc_ic;
  103         int                     (*sc_newstate)(struct ieee80211com *,
  104                                     enum ieee80211_state, int);
  105         device_t                sc_dev;
  106         bus_space_tag_t         sc_st;
  107         bus_space_handle_t      sc_sh;
  108 
  109         struct mtx              sc_mtx;
  110 
  111         struct callout          scan_ch;
  112         struct callout          rssadapt_ch;
  113 
  114         int                     sc_tx_timer;
  115 
  116         uint32_t                asic_rev;
  117         uint32_t                eeprom_rev;
  118         uint8_t                 rf_rev;
  119 
  120         struct rt2560_tx_ring   txq;
  121         struct rt2560_tx_ring   prioq;
  122         struct rt2560_tx_ring   atimq;
  123         struct rt2560_tx_ring   bcnq;
  124         struct rt2560_rx_ring   rxq;
  125 
  126         struct ieee80211_beacon_offsets sc_bo;
  127 
  128         uint32_t                rf_regs[4];
  129         uint8_t                 txpow[14];
  130 
  131         struct {
  132                 uint8_t reg;
  133                 uint8_t val;
  134         }                       bbp_prom[16];
  135 
  136         int                     led_mode;
  137         int                     hw_radio;
  138         int                     rx_ant;
  139         int                     tx_ant;
  140         int                     nb_ant;
  141 
  142         int                     dwelltime;
  143 
  144         struct bpf_if           *sc_drvbpf;
  145 
  146         union {
  147                 struct rt2560_rx_radiotap_header th;
  148                 uint8_t pad[64];
  149         }                       sc_rxtapu;
  150 #define sc_rxtap        sc_rxtapu.th
  151         int                     sc_rxtap_len;
  152 
  153         union {
  154                 struct rt2560_tx_radiotap_header th;
  155                 uint8_t pad[64];
  156         }                       sc_txtapu;
  157 #define sc_txtap        sc_txtapu.th
  158         int                     sc_txtap_len;
  159 };
  160 
  161 int     rt2560_attach(device_t, int);
  162 int     rt2560_detach(void *);
  163 void    rt2560_shutdown(void *);
  164 void    rt2560_suspend(void *);
  165 void    rt2560_resume(void *);
  166 void    rt2560_intr(void *);
  167 
  168 #define RAL_LOCK(sc)    mtx_lock(&(sc)->sc_mtx)
  169 #define RAL_UNLOCK(sc)  mtx_unlock(&(sc)->sc_mtx)

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