if_ralvar.h

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    1 /*      $FreeBSD: releng/6.0/sys/dev/ral/if_ralvar.h 147256 2005-06-10 16:49:24Z brooks $       */
    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 ral_rx_radiotap_header {
   21         struct ieee80211_radiotap_header wr_ihdr;
   22         uint64_t        wr_tsf;
   23         uint8_t         wr_flags;
   24         uint16_t        wr_chan_freq;
   25         uint16_t        wr_chan_flags;
   26         uint8_t         wr_antenna;
   27         uint8_t         wr_antsignal;
   28 };
   29 
   30 #define RAL_RX_RADIOTAP_PRESENT                                         \
   31         ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
   32          (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   33          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   34          (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
   35          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
   36 
   37 struct ral_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         uint8_t         wt_antenna;
   44 };
   45 
   46 #define RAL_TX_RADIOTAP_PRESENT                                         \
   47         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   48          (1 << IEEE80211_RADIOTAP_RATE) |                               \
   49          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   50          (1 << IEEE80211_RADIOTAP_ANTENNA))
   51 
   52 struct ral_tx_data {
   53         bus_dmamap_t                    map;
   54         struct mbuf                     *m;
   55         struct ieee80211_node           *ni;
   56         struct ral_rssdesc              id;
   57 };
   58 
   59 struct ral_tx_ring {
   60         bus_dma_tag_t           desc_dmat;
   61         bus_dma_tag_t           data_dmat;
   62         bus_dmamap_t            desc_map;
   63         bus_addr_t              physaddr;
   64         struct ral_tx_desc      *desc;
   65         struct ral_tx_data      *data;
   66         int                     count;
   67         int                     queued;
   68         int                     cur;
   69         int                     next;
   70         int                     cur_encrypt;
   71         int                     next_encrypt;
   72 };
   73 
   74 struct ral_rx_data {
   75         bus_dmamap_t    map;
   76         struct mbuf     *m;
   77         int             drop;
   78 };
   79 
   80 struct ral_rx_ring {
   81         bus_dma_tag_t           desc_dmat;
   82         bus_dma_tag_t           data_dmat;
   83         bus_dmamap_t            desc_map;
   84         bus_addr_t              physaddr;
   85         struct ral_rx_desc      *desc;
   86         struct ral_rx_data      *data;
   87         int                     count;
   88         int                     cur;
   89         int                     next;
   90         int                     cur_decrypt;
   91 };
   92 
   93 struct ral_node {
   94         struct ieee80211_node   ni;
   95         struct ral_rssadapt     rssadapt;
   96 };
   97 
   98 struct ral_softc {
   99         struct ifnet                    *sc_ifp;
  100         struct ieee80211com             sc_ic;
  101         int                             (*sc_newstate)(struct ieee80211com *,
  102                                             enum ieee80211_state, int);
  103         device_t                        sc_dev;
  104 
  105         struct mtx                      sc_mtx;
  106 
  107         struct callout                  scan_ch;
  108         struct callout                  rssadapt_ch;
  109 
  110         int                             irq_rid;
  111         int                             mem_rid;
  112         struct resource                 *irq;
  113         struct resource                 *mem;
  114         bus_space_tag_t                 sc_st;
  115         bus_space_handle_t              sc_sh;
  116         void                            *sc_ih;
  117 
  118         int                             sc_tx_timer;
  119 
  120         uint32_t                        asic_rev;
  121         uint32_t                        eeprom_rev;
  122         uint8_t                         rf_rev;
  123 
  124         struct ral_tx_ring              txq;
  125         struct ral_tx_ring              prioq;
  126         struct ral_tx_ring              atimq;
  127         struct ral_tx_ring              bcnq;
  128         struct ral_rx_ring              rxq;
  129 
  130         struct ieee80211_beacon_offsets sc_bo;
  131 
  132         uint32_t                        rf_regs[4];
  133         uint8_t                         txpow[14];
  134 
  135         struct {
  136                 uint8_t         reg;
  137                 uint8_t         val;
  138         }                               bbp_prom[16];
  139 
  140         int                             led_mode;
  141         int                             hw_radio;
  142         int                             rx_ant;
  143         int                             tx_ant;
  144         int                             nb_ant;
  145 
  146         int                             dwelltime;
  147 
  148         struct bpf_if                   *sc_drvbpf;
  149 
  150         union {
  151                 struct ral_rx_radiotap_header th;
  152                 uint8_t pad[64];
  153         }                               sc_rxtapu;
  154 #define sc_rxtap        sc_rxtapu.th
  155         int                             sc_rxtap_len;
  156 
  157         union {
  158                 struct ral_tx_radiotap_header th;
  159                 uint8_t pad[64];
  160         }                               sc_txtapu;
  161 #define sc_txtap        sc_txtapu.th
  162         int                             sc_txtap_len;
  163 };
  164 
  165 extern devclass_t ral_devclass;
  166 
  167 int     ral_attach(device_t);
  168 int     ral_detach(device_t);
  169 void    ral_shutdown(device_t);
  170 int     ral_alloc(device_t, int);
  171 void    ral_free(device_t);
  172 void    ral_stop(void *);
  173 
  174 #define RAL_LOCK(sc)    mtx_lock(&(sc)->sc_mtx)
  175 #define RAL_UNLOCK(sc)  mtx_unlock(&(sc)->sc_mtx)

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

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