/*      $NetBSD: if_uralvar.h,v 1.15 2020/03/15 23:04:51 thorpej Exp $ */
/*      $OpenBSD: if_ralvar.h,v 1.2 2005/05/13 18:42:50 damien 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       1

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;
};

#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;
};

#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 mbuf             *m;
        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 {
        device_t                sc_dev;
        struct ethercom         sc_ec;
#define sc_if   sc_ec.ec_if

        enum {
                URAL_INIT_NONE,
                URAL_INIT_INITED
        } sc_init_state;
        struct ieee80211com     sc_ic;
        int                     (*sc_newstate)(struct ieee80211com *,
                                    enum ieee80211_state, int);

        kmutex_t                sc_media_mtx;   /* XXX */

        struct usbd_device *    sc_udev;
        struct usbd_interface * sc_iface;

        int                     sc_rx_no;
        int                     sc_tx_no;

        uint32_t                asic_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;
        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;

        struct ieee80211_beacon_offsets sc_bo;

        struct callout          sc_scan_ch;
        struct callout          sc_amrr_ch;

        int                     sc_tx_timer;

        int16_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;

        struct bpf_if *         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;
};