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/ic/anvar.h

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    1 /*      $NetBSD: anvar.h,v 1.22 2019/10/05 23:27:20 mrg Exp $   */
    2 /*
    3  * Copyright (c) 1997, 1998, 1999
    4  *      Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  * 3. All advertising materials mentioning features or use of this software
   15  *    must display the following acknowledgement:
   16  *      This product includes software developed by Bill Paul.
   17  * 4. Neither the name of the author nor the names of any co-contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
   25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   31  * THE POSSIBILITY OF SUCH DAMAGE.
   32  *
   33  * $FreeBSD: src/sys/dev/an/if_aironet_ieee.h,v 1.2 2000/11/13 23:04:12 wpaul Exp $
   34  */
   35 
   36 #ifndef _DEV_IC_ANVAR_H
   37 #define _DEV_IC_ANVAR_H
   38 
   39 #include <net80211/ieee80211_radiotap.h>
   40 
   41 #define AN_TIMEOUT      65536
   42 #define AN_MAGIC        0x414e
   43 
   44 /* The interrupts we will handle */
   45 #define AN_INTRS        (AN_EV_RX | AN_EV_TX | AN_EV_TX_EXC | AN_EV_LINKSTAT)
   46 
   47 /*
   48  * register space access macros
   49  */
   50 #define CSR_WRITE_2(sc, reg, val)       \
   51         bus_space_write_2(sc->sc_iot, sc->sc_ioh, reg, val)
   52 
   53 #define CSR_READ_2(sc, reg)             \
   54         bus_space_read_2(sc->sc_iot, sc->sc_ioh, reg)
   55 
   56 #ifndef __BUS_SPACE_HAS_STREAM_METHODS
   57 #define bus_space_write_multi_stream_2  bus_space_write_multi_2
   58 #define bus_space_read_multi_stream_2   bus_space_read_multi_2
   59 #endif
   60 
   61 #define CSR_WRITE_MULTI_STREAM_2(sc, reg, val, count)   \
   62         bus_space_write_multi_stream_2(sc->sc_iot, sc->sc_ioh, reg, val, count)
   63 #define CSR_READ_MULTI_STREAM_2(sc, reg, buf, count)    \
   64         bus_space_read_multi_stream_2(sc->sc_iot, sc->sc_ioh, reg, buf, count)
   65 
   66 #define AN_TX_MAX_LEN           \
   67                 (sizeof(struct an_txframe) + ETHER_TYPE_LEN + ETHER_MAX_LEN)
   68 #define AN_TX_RING_CNT          4
   69 #define AN_INC(x, y)            (x) = (x + 1) % y
   70 
   71 struct an_wepkey {
   72         int                     an_wep_key[16];
   73         int                     an_wep_keylen;
   74 };
   75 
   76 /* Radio capture format for Aironet */
   77 #define AN_RX_RADIOTAP_PRESENT  ((1 << IEEE80211_RADIOTAP_FLAGS) | \
   78                                  (1 << IEEE80211_RADIOTAP_RATE) | \
   79                                  (1 << IEEE80211_RADIOTAP_CHANNEL) | \
   80                                  (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
   81 
   82 struct an_rx_radiotap_header {
   83         struct ieee80211_radiotap_header        ar_ihdr;
   84         u_int8_t                                ar_flags;
   85         u_int8_t                                ar_rate;
   86         u_int16_t                               ar_chan_freq;
   87         u_int16_t                               ar_chan_flags;
   88         int8_t                                  ar_antsignal;
   89 };
   90 
   91 #define AN_TX_RADIOTAP_PRESENT  ((1 << IEEE80211_RADIOTAP_FLAGS) | \
   92                                  (1 << IEEE80211_RADIOTAP_RATE) | \
   93                                  (1 << IEEE80211_RADIOTAP_CHANNEL))
   94 
   95 struct an_tx_radiotap_header {
   96         struct ieee80211_radiotap_header        at_ihdr;
   97         u_int8_t                                at_flags;
   98         u_int8_t                                at_rate;
   99         u_int16_t                               at_chan_freq;
  100         u_int16_t                               at_chan_flags;
  101 };
  102 
  103 #define AN_GAPLEN_MAX   8
  104 
  105 struct an_softc {
  106         device_t                sc_dev;
  107         struct ethercom         sc_ec;
  108         struct ieee80211com     sc_ic;
  109         bus_space_tag_t         sc_iot;
  110         bus_space_handle_t      sc_ioh;
  111         void                    *sc_soft_ih;
  112         int                     (*sc_enable)(struct an_softc *);
  113         void                    (*sc_disable)(struct an_softc *);
  114         int                     (*sc_newstate)(struct ieee80211com *,
  115                                     enum ieee80211_state, int);
  116 
  117         int                     sc_enabled;
  118         int                     sc_attached;
  119 
  120         int                     sc_bap_id;
  121         int                     sc_bap_off;
  122 
  123         int                     sc_use_leap;
  124         struct an_wepkey        sc_wepkeys[IEEE80211_WEP_NKID];
  125         int                     sc_perskeylen[IEEE80211_WEP_NKID];
  126         int                     sc_tx_key;
  127         int                     sc_tx_perskey;
  128         int                     sc_tx_timer;
  129         struct an_txdesc {
  130                 int             d_fid;
  131                 int             d_inuse;
  132         }                       sc_txd[AN_TX_RING_CNT];
  133         int                     sc_txnext;
  134         int                     sc_txcur;
  135 
  136         struct an_rid_genconfig sc_config;
  137         struct an_rid_caps      sc_caps;
  138         union {
  139                 u_int16_t               sc_val[1];
  140                 u_int8_t                sc_txbuf[AN_TX_MAX_LEN];
  141                 struct an_rid_ssidlist  sc_ssidlist;
  142                 struct an_rid_aplist    sc_aplist;
  143                 struct an_rid_status    sc_status;
  144                 struct an_rid_wepkey    sc_wepkey;
  145                 struct an_rid_leapkey   sc_leapkey;
  146                 struct an_rid_encap     sc_encap;
  147         }                       sc_buf;
  148 
  149         /* radiotap header */
  150         struct bpf_if *                 sc_drvbpf;
  151         union {
  152                 struct an_rx_radiotap_header    tap;
  153                 u_int8_t                        pad[64];
  154         } sc_rxtapu;
  155         union {
  156                 struct an_tx_radiotap_header    tap;
  157                 u_int8_t                        pad[64];
  158         } sc_txtapu;
  159 };
  160 
  161 #define sc_if   sc_ec.ec_if
  162 #define sc_rxtap        sc_rxtapu.tap
  163 #define sc_txtap        sc_txtapu.tap
  164 
  165 int     an_attach(struct an_softc *);
  166 int     an_detach(struct an_softc *);
  167 int     an_activate(device_t, enum devact);
  168 int     an_intr(void *);
  169 
  170 #endif  /* _DEV_IC_ANVAR_H */

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