malo.h

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    1 /*      $OpenBSD: malo.h,v 1.12 2013/12/06 21:03:03 deraadt Exp $ */
    2 
    3 /*
    4  * Copyright (c) 2006 Claudio Jeker <claudio@openbsd.org>
    5  * Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org>
    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 malo_rx_desc;
   21 struct malo_rx_data;
   22 
   23 struct malo_rx_ring {
   24         bus_dmamap_t            map;
   25         bus_dma_segment_t       seg;
   26         bus_addr_t              physaddr;
   27         struct malo_rx_desc     *desc;
   28         struct malo_rx_data     *data;
   29         int                     count;
   30         int                     cur;
   31         int                     next;
   32 };
   33 
   34 struct malo_tx_desc;
   35 struct malo_tx_data;
   36 
   37 struct malo_tx_ring {
   38         bus_dmamap_t            map;
   39         bus_dma_segment_t       seg;
   40         bus_addr_t              physaddr;
   41         struct malo_tx_desc     *desc;
   42         struct malo_tx_data     *data;
   43         int                     count;
   44         int                     queued;
   45         int                     cur;
   46         int                     next;
   47         int                     stat;
   48 };
   49 
   50 #define MALO_RX_RADIOTAP_PRESENT                                        \
   51         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   52          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
   53          (1 << IEEE80211_RADIOTAP_RSSI))
   54 
   55 struct malo_rx_radiotap_hdr {
   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         uint8_t                                 wr_rssi;
   61         uint8_t                                 wr_max_rssi;
   62 } __packed;
   63 
   64 #define MALO_TX_RADIOTAP_PRESENT                                        \
   65         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
   66          (1 << IEEE80211_RADIOTAP_RATE) |                               \
   67          (1 << IEEE80211_RADIOTAP_CHANNEL))
   68 
   69 struct malo_tx_radiotap_hdr {
   70         struct ieee80211_radiotap_header        wt_ihdr;
   71         uint8_t                                 wt_flags;
   72         uint8_t                                 wt_rate;
   73         uint16_t                                wt_chan_freq;
   74         uint16_t                                wt_chan_flags;
   75 } __packed;
   76 
   77 struct malo_softc {
   78         struct device           sc_dev;
   79         struct ieee80211com     sc_ic;
   80         struct malo_rx_ring     sc_rxring;
   81         struct malo_tx_ring     sc_txring;
   82 
   83         bus_dma_tag_t           sc_dmat;
   84         bus_space_tag_t         sc_mem1_bt;
   85         bus_space_tag_t         sc_mem2_bt;
   86         bus_space_handle_t      sc_mem1_bh;
   87         bus_space_handle_t      sc_mem2_bh;
   88 
   89         bus_dmamap_t            sc_cmd_dmam;
   90         bus_dma_segment_t       sc_cmd_dmas;
   91         void                    *sc_cmd_mem;
   92         bus_addr_t              sc_cmd_dmaaddr;
   93         uint32_t                *sc_cookie;
   94         bus_addr_t              sc_cookie_dmaaddr;
   95 
   96         uint32_t                sc_RxPdWrPtr;
   97         uint32_t                sc_RxPdRdPtr;
   98 
   99         int                     (*sc_newstate)
  100                                 (struct ieee80211com *,
  101                                  enum ieee80211_state, int);
  102 
  103         int                     (*sc_enable)(struct malo_softc *);
  104         void                    (*sc_disable)(struct malo_softc *);
  105 
  106         struct timeout          sc_scan_to;
  107         int                     sc_tx_timer;
  108         int                     sc_last_txrate;
  109 
  110 #if NBPFILTER > 0
  111         caddr_t         sc_drvbpf;
  112 
  113         union {
  114                 struct malo_rx_radiotap_hdr th;
  115                 uint8_t pad[64];
  116         }               sc_rxtapu;
  117 #define sc_rxtap        sc_rxtapu.th
  118         int             sc_rxtap_len;
  119 
  120         union {
  121                 struct malo_tx_radiotap_hdr th;
  122                 uint8_t pad[64];
  123         }               sc_txtapu;
  124 #define sc_txtap        sc_txtapu.th
  125         int             sc_txtap_len;
  126 #endif
  127 };
  128 
  129 int malo_intr(void *arg);
  130 int malo_attach(struct malo_softc *sc);
  131 int malo_detach(void *arg);
  132 int malo_init(struct ifnet *);
  133 void malo_stop(struct malo_softc *);

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/malo.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/malo.h