/*      $OpenBSD: if_ralvar.h,v 1.10 2013/04/15 09:23:01 mglocker Exp $  */

/*-
 * Copyright (c) 2005
 *      Damien Bergamini <damien.bergamini@free.fr>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#define RAL_RX_LIST_COUNT       1
#define RAL_TX_LIST_COUNT       8

struct ural_rx_radiotap_header {
        struct ieee80211_radiotap_header wr_ihdr;
        uint8_t         wr_flags;
        uint8_t         wr_rate;
        uint16_t        wr_chan_freq;
        uint16_t        wr_chan_flags;
        uint8_t         wr_antenna;
        uint8_t         wr_antsignal;
} __packed;

#define RAL_RX_RADIOTAP_PRESENT                                         \
        ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
         (1 << IEEE80211_RADIOTAP_RATE) |                               \
         (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
         (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
         (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))

struct ural_tx_radiotap_header {
        struct ieee80211_radiotap_header wt_ihdr;
        uint8_t         wt_flags;
        uint8_t         wt_rate;
        uint16_t        wt_chan_freq;
        uint16_t        wt_chan_flags;
        uint8_t         wt_antenna;
} __packed;

#define RAL_TX_RADIOTAP_PRESENT                                         \
        ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
         (1 << IEEE80211_RADIOTAP_RATE) |                               \
         (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
         (1 << IEEE80211_RADIOTAP_ANTENNA))

struct ural_softc;

struct ural_tx_data {
        struct ural_softc       *sc;
        struct usbd_xfer        *xfer;
        uint8_t                 *buf;
        struct ieee80211_node   *ni;
};

struct ural_rx_data {
        struct ural_softc       *sc;
        struct usbd_xfer        *xfer;
        uint8_t                 *buf;
        struct mbuf             *m;
};

struct ural_softc {
        struct device                   sc_dev;
        struct ieee80211com             sc_ic;
        int                             (*sc_newstate)(struct ieee80211com *,
                                            enum ieee80211_state, int);

        struct usbd_device              *sc_udev;
        struct usbd_interface           *sc_iface;

        int                             sc_rx_no;
        int                             sc_tx_no;

        uint32_t                        asic_rev;
        uint16_t                        macbbp_rev;
        uint8_t                         rf_rev;

        struct usbd_xfer                *amrr_xfer;

        struct usbd_pipe                *sc_rx_pipeh;
        struct usbd_pipe                *sc_tx_pipeh;

        enum ieee80211_state            sc_state;
        int                             sc_arg;
        struct usb_task                 sc_task;

        struct ieee80211_amrr           amrr;
        struct ieee80211_amrr_node      amn;

        struct ural_rx_data             rx_data[RAL_RX_LIST_COUNT];
        struct ural_tx_data             tx_data[RAL_TX_LIST_COUNT];
        int                             tx_queued;
        int                             tx_cur;

        struct timeout                  scan_to;
        struct timeout                  amrr_to;

        int                             sc_tx_timer;

        uint16_t                        sta[11];
        uint32_t                        rf_regs[4];
        uint8_t                         txpow[14];

        struct {
                uint8_t val;
                uint8_t reg;
        } __packed                      bbp_prom[16];

        int                             led_mode;
        int                             hw_radio;
        int                             rx_ant;
        int                             tx_ant;
        int                             nb_ant;

#if NBPFILTER > 0
        caddr_t                         sc_drvbpf;

        union {
                struct ural_rx_radiotap_header th;
                uint8_t pad[64];
        }                               sc_rxtapu;
#define sc_rxtap        sc_rxtapu.th
        int                             sc_rxtap_len;

        union {
                struct ural_tx_radiotap_header th;
                uint8_t pad[64];
        }                               sc_txtapu;
#define sc_txtap        sc_txtapu.th
        int                             sc_txtap_len;
#endif
};