if_ipwvar.h

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    1 /*      $FreeBSD: releng/9.0/sys/dev/ipw/if_ipwvar.h 206767 2010-04-17 18:18:46Z bschmidt $     */
    2 
    3 /*-
    4  * Copyright (c) 2004-2006
    5  *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice unmodified, this list of conditions, and the following
   12  *    disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  */
   29 
   30 #define IPW_MAX_NSEG    1
   31 
   32 struct ipw_soft_bd {
   33         struct ipw_bd   *bd;
   34         int             type;
   35 #define IPW_SBD_TYPE_NOASSOC    0
   36 #define IPW_SBD_TYPE_COMMAND    1
   37 #define IPW_SBD_TYPE_HEADER     2
   38 #define IPW_SBD_TYPE_DATA       3
   39         void            *priv;
   40 };
   41 
   42 struct ipw_soft_hdr {
   43         struct ipw_hdr                  hdr;
   44         bus_dmamap_t                    map;
   45         SLIST_ENTRY(ipw_soft_hdr)       next;
   46 };
   47 
   48 struct ipw_soft_buf {
   49         struct mbuf                     *m;
   50         struct ieee80211_node           *ni;
   51         bus_dmamap_t                    map;
   52         SLIST_ENTRY(ipw_soft_buf)       next;
   53 };
   54 
   55 struct ipw_rx_radiotap_header {
   56         struct ieee80211_radiotap_header wr_ihdr;
   57         uint8_t         wr_flags;
   58         uint16_t        wr_chan_freq;
   59         uint16_t        wr_chan_flags;
   60         int8_t          wr_antsignal;
   61         int8_t          wr_antnoise;
   62 };
   63 
   64 #define IPW_RX_RADIOTAP_PRESENT                                         \
   65         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   66          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   67          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |                       \
   68          (1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
   69 
   70 struct ipw_tx_radiotap_header {
   71         struct ieee80211_radiotap_header wt_ihdr;
   72         uint8_t         wt_flags;
   73         uint16_t        wt_chan_freq;
   74         uint16_t        wt_chan_flags;
   75 };
   76 
   77 #define IPW_TX_RADIOTAP_PRESENT                                         \
   78         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   79          (1 << IEEE80211_RADIOTAP_CHANNEL))
   80 
   81 struct ipw_vap {
   82         struct ieee80211vap     vap;
   83 
   84         int                     (*newstate)(struct ieee80211vap *,
   85                                     enum ieee80211_state, int);
   86 };
   87 #define IPW_VAP(vap)    ((struct ipw_vap *)(vap))
   88 
   89 struct ipw_softc {
   90         struct ifnet                    *sc_ifp;
   91         device_t                        sc_dev;
   92 
   93         struct mtx                      sc_mtx;
   94         struct task                     sc_init_task;
   95         struct callout                  sc_wdtimer;     /* watchdog timer */
   96 
   97         uint32_t                        flags;
   98 #define IPW_FLAG_FW_INITED              0x0001
   99 #define IPW_FLAG_INIT_LOCKED            0x0002
  100 #define IPW_FLAG_HAS_RADIO_SWITCH       0x0004
  101 #define IPW_FLAG_HACK                   0x0008
  102 #define IPW_FLAG_SCANNING               0x0010
  103 #define IPW_FLAG_ENABLED                0x0020
  104 #define IPW_FLAG_BUSY                   0x0040
  105 #define IPW_FLAG_ASSOCIATING            0x0080
  106 #define IPW_FLAG_ASSOCIATED             0x0100
  107 
  108         int                             irq_rid;
  109         int                             mem_rid;
  110         struct resource                 *irq;
  111         struct resource                 *mem;
  112         bus_space_tag_t                 sc_st;
  113         bus_space_handle_t              sc_sh;
  114         void                            *sc_ih;
  115         const struct firmware           *sc_firmware;
  116 
  117         int                             sc_tx_timer;
  118         int                             sc_scan_timer;
  119 
  120         bus_dma_tag_t                   tbd_dmat;
  121         bus_dma_tag_t                   rbd_dmat;
  122         bus_dma_tag_t                   status_dmat;
  123         bus_dma_tag_t                   cmd_dmat;
  124         bus_dma_tag_t                   hdr_dmat;
  125         bus_dma_tag_t                   txbuf_dmat;
  126         bus_dma_tag_t                   rxbuf_dmat;
  127 
  128         bus_dmamap_t                    tbd_map;
  129         bus_dmamap_t                    rbd_map;
  130         bus_dmamap_t                    status_map;
  131         bus_dmamap_t                    cmd_map;
  132 
  133         bus_addr_t                      tbd_phys;
  134         bus_addr_t                      rbd_phys;
  135         bus_addr_t                      status_phys;
  136 
  137         struct ipw_bd                   *tbd_list;
  138         struct ipw_bd                   *rbd_list;
  139         struct ipw_status               *status_list;
  140 
  141         struct ipw_cmd                  cmd;
  142         struct ipw_soft_bd              stbd_list[IPW_NTBD];
  143         struct ipw_soft_buf             tx_sbuf_list[IPW_NDATA];
  144         struct ipw_soft_hdr             shdr_list[IPW_NDATA];
  145         struct ipw_soft_bd              srbd_list[IPW_NRBD];
  146         struct ipw_soft_buf             rx_sbuf_list[IPW_NRBD];
  147 
  148         SLIST_HEAD(, ipw_soft_hdr)      free_shdr;
  149         SLIST_HEAD(, ipw_soft_buf)      free_sbuf;
  150 
  151         uint32_t                        table1_base;
  152         uint32_t                        table2_base;
  153 
  154         uint32_t                        txcur;
  155         uint32_t                        txold;
  156         uint32_t                        rxcur;
  157         int                             txfree;
  158 
  159         struct ipw_rx_radiotap_header   sc_rxtap;
  160         struct ipw_tx_radiotap_header   sc_txtap;
  161 };
  162 
  163 /*
  164  * NB.: This models the only instance of async locking in ipw_init_locked
  165  *      and must be kept in sync.
  166  */
  167 #define IPW_LOCK(sc)            mtx_lock(&sc->sc_mtx);
  168 #define IPW_UNLOCK(sc)          mtx_unlock(&sc->sc_mtx);
  169 #define IPW_LOCK_ASSERT(sc)     mtx_assert(&(sc)->sc_mtx, MA_OWNED)

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FreeBSD/Linux Kernel Cross Reference sys/dev/ipw/if_ipwvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ipw/if_ipwvar.h