sys/dev/netif/rum/if_rumvar.h

   1 /*      $OpenBSD: if_rumvar.h,v 1.6 2006/08/18 15:11:12 damien Exp $    */
   2 /*      $DragonFly: src/sys/dev/netif/rum/if_rumvar.h,v 1.5 2007/06/28 06:32:32 hasso Exp $     */
   3
   4 /*-
   5  * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr>
   6  * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
   7  *
   8  * Permission to use, copy, modify, and distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  */
  20
  21 #define RT2573_RX_LIST_COUNT    1
  22 #define RT2573_TX_LIST_COUNT    1
  23
  24 struct rum_rx_radiotap_header {
  25         struct ieee80211_radiotap_header wr_ihdr;
  26         uint8_t         wr_flags;
  27         uint8_t         wr_rate;
  28         uint16_t        wr_chan_freq;
  29         uint16_t        wr_chan_flags;
  30         uint8_t         wr_antenna;
  31         uint8_t         wr_antsignal;
  32 } __packed;
  33
  34 #define RT2573_RX_RADIOTAP_PRESENT                                      \
  35         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  36          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  37          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  38          (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
  39          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
  40
  41 struct rum_tx_radiotap_header {
  42         struct ieee80211_radiotap_header wt_ihdr;
  43         uint8_t         wt_flags;
  44         uint8_t         wt_rate;
  45         uint16_t        wt_chan_freq;
  46         uint16_t        wt_chan_flags;
  47         uint8_t         wt_antenna;
  48 } __packed;
  49
  50 #define RT2573_TX_RADIOTAP_PRESENT                                              \
  51         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
  52          (1 << IEEE80211_RADIOTAP_RATE) |                               \
  53          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
  54          (1 << IEEE80211_RADIOTAP_ANTENNA))
  55
  56 struct rum_softc;
  57
  58 struct rum_tx_data {
  59         struct rum_softc        *sc;
  60         usbd_xfer_handle        xfer;
  61         uint8_t                 *buf;
  62         struct mbuf             *m;
  63         struct ieee80211_node   *ni;
  64 };
  65
  66 struct rum_rx_data {
  67         struct rum_softc        *sc;
  68         usbd_xfer_handle        xfer;
  69         uint8_t                 *buf;
  70         struct mbuf             *m;
  71 };
  72
  73 struct rum_softc {
  74         device_t                        sc_dev;
  75         struct ieee80211com             sc_ic;
  76         int                             (*sc_newstate)(struct ieee80211com *,
  77                                             enum ieee80211_state, int);
  78
  79         int                             sc_stopped;
  80
  81         usbd_device_handle              sc_udev;
  82         usbd_interface_handle           sc_iface;
  83
  84         struct ieee80211_channel        *sc_curchan;
  85
  86         int                             sc_rx_no;
  87         int                             sc_tx_no;
  88
  89         uint16_t                        macbbp_rev;
  90         uint8_t                         rf_rev;
  91         uint8_t                         rffreq;
  92
  93         usbd_xfer_handle                stats_xfer;
  94
  95         usbd_pipe_handle                sc_rx_pipeh;
  96         usbd_pipe_handle                sc_tx_pipeh;
  97
  98         enum ieee80211_state            sc_state;
  99         int                             sc_arg;
 100         int                             sc_sifs;
 101         struct usb_task                 sc_task;
 102
 103         struct ieee80211_ratectl_stats  sc_stats;
 104
 105         struct rum_rx_data              rx_data[RT2573_RX_LIST_COUNT];
 106         struct rum_tx_data              tx_data[RT2573_TX_LIST_COUNT];
 107         int                             tx_queued;
 108
 109         struct callout                  scan_ch;
 110         struct callout                  stats_ch;
 111
 112         int                             sc_tx_timer;
 113
 114         uint32_t                        sta[6];
 115         uint32_t                        rf_regs[4];
 116         uint8_t                         txpow[44];
 117
 118         struct {
 119                 uint8_t val;
 120                 uint8_t reg;
 121         } __packed                      bbp_prom[16];
 122
 123         int                             hw_radio;
 124         int                             rx_ant;
 125         int                             tx_ant;
 126         int                             nb_ant;
 127         int                             ext_2ghz_lna;
 128         int                             ext_5ghz_lna;
 129         int                             rssi_2ghz_corr;
 130         int                             rssi_5ghz_corr;
 131         uint8_t                         bbp17;
 132
 133         struct bpf_if                   *sc_drvbpf;
 134
 135         union {
 136                 struct rum_rx_radiotap_header th;
 137                 uint8_t pad[64];
 138         }                               sc_rxtapu;
 139 #define sc_rxtap        sc_rxtapu.th
 140         int                             sc_rxtap_len;
 141
 142         union {
 143                 struct rum_tx_radiotap_header th;
 144                 uint8_t pad[64];
 145         }                               sc_txtapu;
 146 #define sc_txtap        sc_txtapu.th
 147         int                             sc_txtap_len;
 148 };
 149
 150 /* See the comment take from rt73 near RT2573_TX_LONG_RETRY */
 151 #define RUM_TX_SHORT_RETRY_MAX          7
 152 #define RUM_TX_LONG_RETRY_MAX           4
 153
 154 #define RUM_TX_PKT_NO_RETRY(sc)         (le32toh((sc)->sta[4]) & 0xffff)
 155 #define RUM_TX_PKT_ONE_RETRY(sc)        (le32toh((sc)->sta[4]) >> 16)
 156 #define RUM_TX_PKT_MULTI_RETRY(sc)      (le32toh((sc)->sta[5]) & 0xffff)
 157 #define RUM_TX_PKT_FAIL(sc)             (le32toh((sc)->sta[5]) >> 16)