if_ipwvar.h

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    1 /*      $FreeBSD$       */
    2 
    3 /*-
    4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    5  *
    6  * Copyright (c) 2004-2006
    7  *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice unmodified, this list of conditions, and the following
   14  *    disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  */
   31 
   32 #define IPW_MAX_NSEG    1
   33 
   34 struct ipw_soft_bd {
   35         struct ipw_bd   *bd;
   36         int             type;
   37 #define IPW_SBD_TYPE_NOASSOC    0
   38 #define IPW_SBD_TYPE_COMMAND    1
   39 #define IPW_SBD_TYPE_HEADER     2
   40 #define IPW_SBD_TYPE_DATA       3
   41         void            *priv;
   42 };
   43 
   44 struct ipw_soft_hdr {
   45         struct ipw_hdr                  hdr;
   46         bus_dmamap_t                    map;
   47         SLIST_ENTRY(ipw_soft_hdr)       next;
   48 };
   49 
   50 struct ipw_soft_buf {
   51         struct mbuf                     *m;
   52         struct ieee80211_node           *ni;
   53         bus_dmamap_t                    map;
   54         SLIST_ENTRY(ipw_soft_buf)       next;
   55 };
   56 
   57 struct ipw_rx_radiotap_header {
   58         struct ieee80211_radiotap_header wr_ihdr;
   59         uint8_t         wr_flags;
   60         uint8_t         wr_pad;
   61         uint16_t        wr_chan_freq;
   62         uint16_t        wr_chan_flags;
   63         int8_t          wr_antsignal;
   64         int8_t          wr_antnoise;
   65 } __packed __aligned(8);
   66 
   67 #define IPW_RX_RADIOTAP_PRESENT                                         \
   68         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   69          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   70          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |                       \
   71          (1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
   72 
   73 struct ipw_tx_radiotap_header {
   74         struct ieee80211_radiotap_header wt_ihdr;
   75         uint8_t         wt_flags;
   76         uint8_t         wt_pad;
   77         uint16_t        wt_chan_freq;
   78         uint16_t        wt_chan_flags;
   79 } __packed;
   80 
   81 #define IPW_TX_RADIOTAP_PRESENT                                         \
   82         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   83          (1 << IEEE80211_RADIOTAP_CHANNEL))
   84 
   85 struct ipw_vap {
   86         struct ieee80211vap     vap;
   87 
   88         int                     (*newstate)(struct ieee80211vap *,
   89                                     enum ieee80211_state, int);
   90 };
   91 #define IPW_VAP(vap)    ((struct ipw_vap *)(vap))
   92 
   93 struct ipw_softc {
   94         struct ieee80211com             sc_ic;
   95         struct mbufq                    sc_snd;
   96         device_t                        sc_dev;
   97 
   98         struct mtx                      sc_mtx;
   99         struct task                     sc_init_task;
  100         struct callout                  sc_wdtimer;     /* watchdog timer */
  101 
  102         uint32_t                        flags;
  103 #define IPW_FLAG_FW_INITED              0x0001
  104 #define IPW_FLAG_INIT_LOCKED            0x0002
  105 #define IPW_FLAG_HAS_RADIO_SWITCH       0x0004
  106 #define IPW_FLAG_HACK                   0x0008
  107 #define IPW_FLAG_SCANNING               0x0010
  108 #define IPW_FLAG_ENABLED                0x0020
  109 #define IPW_FLAG_BUSY                   0x0040
  110 #define IPW_FLAG_ASSOCIATING            0x0080
  111 #define IPW_FLAG_ASSOCIATED             0x0100
  112 #define IPW_FLAG_RUNNING                0x0200
  113 
  114         struct resource                 *irq;
  115         struct resource                 *mem;
  116         bus_space_tag_t                 sc_st;
  117         bus_space_handle_t              sc_sh;
  118         void                            *sc_ih;
  119         const struct firmware           *sc_firmware;
  120 
  121         int                             sc_tx_timer;
  122         int                             sc_scan_timer;
  123 
  124         bus_dma_tag_t                   parent_dmat;
  125         bus_dma_tag_t                   tbd_dmat;
  126         bus_dma_tag_t                   rbd_dmat;
  127         bus_dma_tag_t                   status_dmat;
  128         bus_dma_tag_t                   cmd_dmat;
  129         bus_dma_tag_t                   hdr_dmat;
  130         bus_dma_tag_t                   txbuf_dmat;
  131         bus_dma_tag_t                   rxbuf_dmat;
  132 
  133         bus_dmamap_t                    tbd_map;
  134         bus_dmamap_t                    rbd_map;
  135         bus_dmamap_t                    status_map;
  136         bus_dmamap_t                    cmd_map;
  137 
  138         bus_addr_t                      tbd_phys;
  139         bus_addr_t                      rbd_phys;
  140         bus_addr_t                      status_phys;
  141 
  142         struct ipw_bd                   *tbd_list;
  143         struct ipw_bd                   *rbd_list;
  144         struct ipw_status               *status_list;
  145 
  146         struct ipw_cmd                  cmd;
  147         struct ipw_soft_bd              stbd_list[IPW_NTBD];
  148         struct ipw_soft_buf             tx_sbuf_list[IPW_NDATA];
  149         struct ipw_soft_hdr             shdr_list[IPW_NDATA];
  150         struct ipw_soft_bd              srbd_list[IPW_NRBD];
  151         struct ipw_soft_buf             rx_sbuf_list[IPW_NRBD];
  152 
  153         SLIST_HEAD(, ipw_soft_hdr)      free_shdr;
  154         SLIST_HEAD(, ipw_soft_buf)      free_sbuf;
  155 
  156         uint32_t                        table1_base;
  157         uint32_t                        table2_base;
  158 
  159         uint32_t                        txcur;
  160         uint32_t                        txold;
  161         uint32_t                        rxcur;
  162         int                             txfree;
  163 
  164         uint16_t                        chanmask;
  165 
  166         struct ipw_rx_radiotap_header   sc_rxtap;
  167         struct ipw_tx_radiotap_header   sc_txtap;
  168 };
  169 
  170 /*
  171  * NB.: This models the only instance of async locking in ipw_init_locked
  172  *      and must be kept in sync.
  173  */
  174 #define IPW_LOCK(sc)            mtx_lock(&sc->sc_mtx);
  175 #define IPW_UNLOCK(sc)          mtx_unlock(&sc->sc_mtx);
  176 #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