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      1 /*	$NetBSD: if_iwivar.h,v 1.20 2020/03/20 13:33:23 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2004, 2005
      5  *      Damien Bergamini <damien.bergamini (at) free.fr>. All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice unmodified, this list of conditions, and the following
     12  *    disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  */
     29 
     30 #include <sys/ioccom.h>
     31 
     32 struct iwi_firmware {
     33 	void	*boot;
     34 	int	boot_size;
     35 	void	*ucode;
     36 	int	ucode_size;
     37 	void	*main;
     38 	int	main_size;
     39 };
     40 
     41 struct iwi_rx_radiotap_header {
     42 	struct ieee80211_radiotap_header wr_ihdr;
     43 	uint8_t		wr_flags;
     44 	uint8_t		wr_rate;
     45 	uint16_t	wr_chan_freq;
     46 	uint16_t	wr_chan_flags;
     47 	uint8_t		wr_antsignal;
     48 	uint8_t		wr_antenna;
     49 };
     50 
     51 #define IWI_RX_RADIOTAP_PRESENT						\
     52 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
     53 	 (1 << IEEE80211_RADIOTAP_RATE) |				\
     54 	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
     55 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |			\
     56 	 (1 << IEEE80211_RADIOTAP_ANTENNA))
     57 
     58 struct iwi_tx_radiotap_header {
     59 	struct ieee80211_radiotap_header wt_ihdr;
     60 	uint8_t		wt_flags;
     61 	uint16_t	wt_chan_freq;
     62 	uint16_t	wt_chan_flags;
     63 };
     64 
     65 #define IWI_TX_RADIOTAP_PRESENT						\
     66 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
     67 	 (1 << IEEE80211_RADIOTAP_CHANNEL))
     68 
     69 struct iwi_cmd_ring {
     70 	bus_dmamap_t		desc_map;
     71 	bus_dma_segment_t	desc_seg;
     72 	struct iwi_cmd_desc	*desc;
     73 	int			count;
     74 	int			queued;
     75 	int			cur;
     76 	int			next;
     77 };
     78 
     79 struct iwi_tx_data {
     80 	bus_dmamap_t		map;
     81 	struct mbuf		*m;
     82 	struct ieee80211_node	*ni;
     83 };
     84 
     85 struct iwi_tx_ring {
     86 	bus_dmamap_t		desc_map;
     87 	bus_dma_segment_t	desc_seg;
     88 	bus_size_t		csr_ridx;
     89 	bus_size_t		csr_widx;
     90 	struct iwi_tx_desc	*desc;
     91 	struct iwi_tx_data	*data;
     92 	int			count;
     93 	int			queued;
     94 	int			cur;
     95 	int			next;
     96 };
     97 
     98 struct iwi_rx_data {
     99 	bus_dmamap_t	map;
    100 	struct mbuf	*m;
    101 };
    102 
    103 struct iwi_rx_ring {
    104 	struct iwi_rx_data	*data;
    105 	int			count;
    106 	int			cur;
    107 };
    108 
    109 struct iwi_node {
    110 	struct ieee80211_node	in_node;
    111 	int			in_station;
    112 #define IWI_MAX_IBSSNODE	32
    113 };
    114 
    115 struct iwi_softc {
    116 	device_t		sc_dev;
    117 	struct ethercom		sc_ec;
    118 	struct ieee80211com	sc_ic;
    119 	int			(*sc_newstate)(struct ieee80211com *,
    120 				    enum ieee80211_state, int);
    121 	void			(*sc_node_free)(struct ieee80211_node *);
    122 
    123 	uint32_t		sc_unr;
    124 
    125 	struct iwi_firmware	fw;
    126 	const char		*sc_fwname;
    127 	char			*sc_blob;
    128 	size_t			sc_blobsize;
    129 
    130 	uint32_t		flags;
    131 #define IWI_FLAG_FW_CACHED	(1 << 0)
    132 #define IWI_FLAG_FW_INITED	(1 << 1)
    133 #define IWI_FLAG_SCANNING	(1 << 3)
    134 
    135 	bus_dma_tag_t		sc_dmat;
    136 
    137 	struct iwi_cmd_ring	cmdq;
    138 	struct iwi_tx_ring	txq[WME_NUM_AC];
    139 	struct iwi_rx_ring	rxq;
    140 
    141 	struct resource		*irq;
    142 	struct resource		*mem;
    143 	bus_space_tag_t		sc_st;
    144 	bus_space_handle_t	sc_sh;
    145 	void 			*sc_ih;
    146 	pci_chipset_tag_t	sc_pct;
    147 	pcitag_t		sc_pcitag;
    148 	bus_size_t		sc_sz;
    149 	void			*sc_soft_ih;
    150 
    151 	kmutex_t		sc_media_mtx;	/* XXX */
    152 
    153 	struct sysctllog	*sc_sysctllog;
    154 
    155 	int			antenna;
    156 	int			dwelltime;
    157 	int			bluetooth;
    158 	int			nictype;
    159 
    160 	int			sc_tx_timer;
    161 
    162 	struct bpf_if		*sc_drvbpf;
    163 
    164 	union {
    165 		struct iwi_rx_radiotap_header th;
    166 		uint8_t	pad[64];
    167 	} sc_rxtapu;
    168 #define sc_rxtap	sc_rxtapu.th
    169 	int			sc_rxtap_len;
    170 
    171 	union {
    172 		struct iwi_tx_radiotap_header th;
    173 		uint8_t	pad[64];
    174 	} sc_txtapu;
    175 #define sc_txtap	sc_txtapu.th
    176 	int			sc_txtap_len;
    177 };
    178 
    179 #define	sc_if	sc_ec.ec_if
    180 
    181 #define SIOCGRADIO	_IOWR('i', 139, struct ifreq)
    182 #define SIOCGTABLE0	_IOWR('i', 140, struct ifreq)
    183