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if_wpivar.h revision 1.1 
      1 /*  $NetBSD: if_wpivar.h,v 1.1 2006/08/13 02:21:45 simonb Exp $    */
      2 
      3 /*-
      4  * Copyright (c) 2006
      5  *	Damien Bergamini <damien.bergamini (at) free.fr>
      6  *
      7  * Permission to use, copy, modify, and distribute this software for any
      8  * purpose with or without fee is hereby granted, provided that the above
      9  * copyright notice and this permission notice appear in all copies.
     10  *
     11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     18  */
     19 
     20 struct wpi_rx_radiotap_header {
     21 	struct ieee80211_radiotap_header wr_ihdr;
     22 	uint64_t	wr_tsft;
     23 	uint8_t		wr_flags;
     24 	uint8_t		wr_rate;
     25 	uint16_t	wr_chan_freq;
     26 	uint16_t	wr_chan_flags;
     27 	int8_t		wr_dbm_antsignal;
     28 	int8_t		wr_dbm_antnoise;
     29 	uint8_t		wr_antenna;
     30 };
     31 
     32 #define WPI_RX_RADIOTAP_PRESENT						\
     33 	((1 << IEEE80211_RADIOTAP_TSFT) |				\
     34 	 (1 << IEEE80211_RADIOTAP_FLAGS) |				\
     35 	 (1 << IEEE80211_RADIOTAP_RATE) |				\
     36 	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
     37 	 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |			\
     38 	 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |			\
     39 	 (1 << IEEE80211_RADIOTAP_ANTENNA))
     40 
     41 struct wpi_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_hwqueue;
     48 };
     49 
     50 #define WPI_TX_RADIOTAP_PRESENT						\
     51 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
     52 	 (1 << IEEE80211_RADIOTAP_RATE) |				\
     53 	 (1 << IEEE80211_RADIOTAP_CHANNEL))
     54 
     55 struct wpi_dma_info {
     56 	bus_dmamap_t		map;
     57 	bus_dma_segment_t	seg;
     58 	bus_addr_t		paddr;
     59 	caddr_t			vaddr;
     60 	bus_size_t		size;
     61 };
     62 
     63 struct wpi_tx_data {
     64 	bus_dmamap_t		map;
     65 	struct mbuf		*m;
     66 	struct ieee80211_node	*ni;
     67 };
     68 
     69 struct wpi_tx_ring {
     70 	struct wpi_dma_info	desc_dma;
     71 	struct wpi_dma_info	cmd_dma;
     72 	struct wpi_tx_desc	*desc;
     73 	struct wpi_tx_cmd	*cmd;
     74 	struct wpi_tx_data	*data;
     75 	int			qid;
     76 	int			count;
     77 	int			queued;
     78 	int			cur;
     79 };
     80 
     81 struct wpi_rx_data {
     82 	bus_dmamap_t	map;
     83 	struct mbuf	*m;
     84 };
     85 
     86 struct wpi_rx_ring {
     87 	struct wpi_dma_info	desc_dma;
     88 	uint32_t		*desc;
     89 	struct wpi_rx_data	data[WPI_RX_RING_COUNT];
     90 	int			cur;
     91 };
     92 
     93 struct wpi_amrr {
     94 	struct	ieee80211_node ni;	/* must be the first */
     95 	int	txcnt;
     96 	int	retrycnt;
     97 	int	success;
     98 	int	success_threshold;
     99 	int	recovery;
    100 };
    101 
    102 struct wpi_softc {
    103 	struct device		sc_dev;
    104 	struct ethercom	 sc_ec;
    105 	struct ieee80211com	sc_ic;
    106 	int			(*sc_newstate)(struct ieee80211com *,
    107 					enum ieee80211_state, int);
    108 
    109 	uint32_t		flags;
    110 #define WPI_FLAG_FW_INITED	(1 << 0)
    111 
    112 	bus_dma_tag_t		sc_dmat;
    113 
    114 	/* shared area */
    115 	struct wpi_dma_info	shared_dma;
    116 	struct wpi_shared	*shared;
    117 
    118 	struct wpi_tx_ring	txq[4];
    119 	struct wpi_tx_ring	cmdq;
    120 	struct wpi_tx_ring	svcq;
    121 	struct wpi_rx_ring	rxq;
    122 
    123 	bus_space_tag_t		sc_st;
    124 	bus_space_handle_t	sc_sh;
    125 	void 			*sc_ih;
    126 	pci_chipset_tag_t	sc_pct;
    127 	pcitag_t		sc_pcitag;
    128 	bus_size_t		sc_sz;
    129 
    130 	struct callout	amrr_ch;
    131 
    132 	struct wpi_config	config;
    133 	uint16_t		pwr1[14];
    134 	uint16_t		pwr2[14];
    135 
    136 	int			sc_tx_timer;
    137 	void			*powerhook;
    138 
    139 #if NBPFILTER > 0
    140 	caddr_t			sc_drvbpf;
    141 
    142 	union {
    143 		struct wpi_rx_radiotap_header th;
    144 		uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
    145 	} sc_rxtapu;
    146 #define sc_rxtap	sc_rxtapu.th
    147 	int			sc_rxtap_len;
    148 
    149 	union {
    150 		struct wpi_tx_radiotap_header th;
    151 		uint8_t	pad[IEEE80211_RADIOTAP_HDRLEN];
    152 	} sc_txtapu;
    153 #define sc_txtap	sc_txtapu.th
    154 	int			sc_txtap_len;
    155 #endif
    156 };
    157