/*      $NetBSD: if_ipwvar.h,v 1.19 2019/10/05 23:27:20 mrg Exp $       */

/*-
 * Copyright (c) 2004
 *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/ioccom.h>

struct ipw_firmware {
        void    *main;
        int     main_size;
        void    *ucode;
        int     ucode_size;
};

#define IPW_MAX_NSEG    1

struct ipw_soft_bd {
        struct ipw_bd   *bd;
        int             type;
#define IPW_SBD_TYPE_NOASSOC    0
#define IPW_SBD_TYPE_COMMAND    1
#define IPW_SBD_TYPE_HEADER     2
#define IPW_SBD_TYPE_DATA       3
        void            *priv;
};

struct ipw_soft_hdr {
        struct ipw_hdr                  *hdr;
        bus_addr_t                      addr;
        bus_addr_t                      offset;
        TAILQ_ENTRY(ipw_soft_hdr)       next;
};

struct ipw_soft_buf {
        struct mbuf                     *m;
        struct ieee80211_node           *ni;
        bus_dmamap_t                    map;
        TAILQ_ENTRY(ipw_soft_buf)       next;
};

struct ipw_rx_radiotap_header {
        struct ieee80211_radiotap_header wr_ihdr;
        uint16_t        wr_chan_freq;
        uint16_t        wr_chan_flags;
        uint8_t         wr_antsignal;
};

#define IPW_RX_RADIOTAP_PRESENT                                         \
        ((1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
         (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))

struct ipw_tx_radiotap_header {
        struct ieee80211_radiotap_header wt_ihdr;
        uint16_t        wt_chan_freq;
        uint16_t        wt_chan_flags;
};

#define IPW_TX_RADIOTAP_PRESENT                                         \
        ((1 << IEEE80211_RADIOTAP_CHANNEL))

struct ipw_softc {
        device_t                        sc_dev;

        struct ethercom                 sc_ec;
        struct ieee80211com             sc_ic;
        int                             (*sc_newstate)(struct ieee80211com *,
                                            enum ieee80211_state, int);

        struct ipw_firmware             fw;
        const char                      *sc_fwname;
        uint32_t                        flags;
#define IPW_FLAG_FW_CACHED              (1 << 0)
#define IPW_FLAG_FW_INITED              (1 << 1)
#define IPW_FLAG_HAS_RADIO_SWITCH       (1 << 2)
#define IPW_FLAG_FW_WARNED              (1 << 3)

        struct resource                 *irq;
        struct resource                 *mem;
        bus_space_tag_t                 sc_st;
        bus_space_handle_t              sc_sh;
        void                            *sc_ih;
        void                            *sc_soft_ih;
        pci_chipset_tag_t               sc_pct;
        pcitag_t                        sc_pcitag;
        bus_size_t                      sc_sz;

        int                             sc_tx_timer;

        bus_dma_tag_t                   sc_dmat;

        bus_dmamap_t                    tbd_map;
        bus_dmamap_t                    rbd_map;
        bus_dmamap_t                    status_map;
        bus_dmamap_t                    cmd_map;
        bus_dmamap_t                    hdr_map;

        bus_dma_segment_t               tbd_seg;
        bus_dma_segment_t               rbd_seg;
        bus_dma_segment_t               status_seg;
        bus_dma_segment_t               cmd_seg;
        bus_dma_segment_t               hdr_seg;

        struct ipw_bd                   *tbd_list;
        struct ipw_bd                   *rbd_list;
        struct ipw_status               *status_list;
        struct ipw_hdr                  *hdr_list;

        struct ipw_cmd                  cmd;
        struct ipw_soft_bd              stbd_list[IPW_NTBD];
        struct ipw_soft_buf             tx_sbuf_list[IPW_NDATA];
        struct ipw_soft_bd              srbd_list[IPW_NRBD];
        struct ipw_soft_buf             rx_sbuf_list[IPW_NRBD];
        struct ipw_soft_hdr             shdr_list[IPW_NDATA];

        TAILQ_HEAD(, ipw_soft_hdr)      sc_free_shdr;
        TAILQ_HEAD(, ipw_soft_buf)      sc_free_sbuf;

        uint32_t                        table1_base;
        uint32_t                        table2_base;

        uint32_t                        txcur;
        uint32_t                        txold;
        uint32_t                        rxcur;
        int                             txfree;

        int                             dwelltime;

        struct bpf_if                   *sc_drvbpf;

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

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

#define sc_if   sc_ec.ec_if

#define SIOCGRADIO      _IOWR('i', 139, struct ifreq)
#define SIOCGTABLE1     _IOWR('i', 140, struct ifreq)