text: /*	$OpenBSD: if_iwnvar.h,v 1.22 2011/01/09 15:45:37 damien Exp $	*/
  
  /*-
   * Copyright (c) 2007, 2008
   *	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.
   */
  
  struct iwn_rx_radiotap_header {
  	struct ieee80211_radiotap_header wr_ihdr;
  	uint64_t	wr_tsft;
  	uint8_t		wr_flags;
  	uint8_t		wr_rate;
  	uint16_t	wr_chan_freq;
  	uint16_t	wr_chan_flags;
  	int8_t		wr_dbm_antsignal;
  	int8_t		wr_dbm_antnoise;
  } __packed;
  
  #define IWN_RX_RADIOTAP_PRESENT						\
  	((1 << IEEE80211_RADIOTAP_TSFT) |				\
  	 (1 << IEEE80211_RADIOTAP_FLAGS) |				\
  	 (1 << IEEE80211_RADIOTAP_RATE) |				\
  	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
  	 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |			\
  	 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
  
  struct iwn_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_hwqueue;
  } __packed;
  
  #define IWN_TX_RADIOTAP_PRESENT						\
  	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
  	 (1 << IEEE80211_RADIOTAP_RATE) |				\
  	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
  	 (1 << IEEE80211_RADIOTAP_HWQUEUE))
  
  struct iwn_dma_info {
  	bus_dma_tag_t		tag;
  	bus_dmamap_t		map;
  	bus_dma_segment_t	seg;
  	bus_addr_t		paddr;
  	caddr_t			vaddr;
  	bus_size_t		size;
  };
  
  struct iwn_tx_data {
  	bus_dmamap_t		map;
  	bus_addr_t		cmd_paddr;
  	bus_addr_t		scratch_paddr;
  	struct mbuf		*m;
  	struct ieee80211_node	*ni;
  };
  
  struct iwn_tx_ring {
  	struct iwn_dma_info	desc_dma;
  	struct iwn_dma_info	cmd_dma;
  	struct iwn_tx_desc	*desc;
  	struct iwn_tx_cmd	*cmd;
  	struct iwn_tx_data	data[IWN_TX_RING_COUNT];
  	int			qid;
  	int			queued;
  	int			cur;
  };
  
  struct iwn_softc;
  
  struct iwn_rx_data {
  	struct mbuf	*m;
  	bus_dmamap_t	map;
  };
  
  struct iwn_rx_ring {
  	struct iwn_dma_info	desc_dma;
  	struct iwn_dma_info	stat_dma;
  	uint32_t		*desc;
  	struct iwn_rx_status	*stat;
  	struct iwn_rx_data	data[IWN_RX_RING_COUNT];
  	int			cur;
  };
  
  struct iwn_node {
  	struct	ieee80211_node		ni;	/* must be the first */
  	struct	ieee80211_amrr_node	amn;
  	uint16_t			disable_tid;
  	uint8_t				id;
  	uint8_t				ridx[IEEE80211_RATE_MAXSIZE];
  };
  
  struct iwn_calib_state {
  	uint8_t		state;
  #define IWN_CALIB_STATE_INIT	0
  #define IWN_CALIB_STATE_ASSOC	1
  #define IWN_CALIB_STATE_RUN	2
  
  	u_int		nbeacons;
  	uint32_t	noise[3];
  	uint32_t	rssi[3];
  	uint32_t	ofdm_x1;
  	uint32_t	ofdm_mrc_x1;
  	uint32_t	ofdm_x4;
  	uint32_t	ofdm_mrc_x4;
  	uint32_t	cck_x4;
  	uint32_t	cck_mrc_x4;
  	uint32_t	bad_plcp_ofdm;
  	uint32_t	fa_ofdm;
  	uint32_t	bad_plcp_cck;
  	uint32_t	fa_cck;
  	uint32_t	low_fa;
  	uint8_t		cck_state;
  #define IWN_CCK_STATE_INIT	0
  #define IWN_CCK_STATE_LOFA	1
  #define IWN_CCK_STATE_HIFA	2
  
  	uint8_t		noise_samples[20];
  	u_int		cur_noise_sample;
  	uint8_t		noise_ref;
  	uint32_t	energy_samples[10];
  	u_int		cur_energy_sample;
  	uint32_t	energy_cck;
  };
  
  struct iwn_calib_info {
  	uint8_t		*buf;
  	u_int		len;
  };
  
  struct iwn_fw_part {
  	const uint8_t	*text;
  	uint32_t	textsz;
  	const uint8_t	*data;
  	uint32_t	datasz;
  };
  
  struct iwn_fw_info {
  	u_char			*data;
  	size_t			size;
  	struct iwn_fw_part	init;
  	struct iwn_fw_part	main;
  	struct iwn_fw_part	boot;
  };
  
  struct iwn_ops {
  	int		(*load_firmware)(struct iwn_softc *);
  	void		(*read_eeprom)(struct iwn_softc *);
  	int		(*post_alive)(struct iwn_softc *);
  	int		(*nic_config)(struct iwn_softc *);
  	void		(*update_sched)(struct iwn_softc *, int, int, uint8_t,
  			    uint16_t);
  	int		(*get_temperature)(struct iwn_softc *);
  	int		(*get_rssi)(const struct iwn_rx_stat *);
  	int		(*set_txpower)(struct iwn_softc *, int);
  	int		(*init_gains)(struct iwn_softc *);
  	int		(*set_gains)(struct iwn_softc *);
  	int		(*add_node)(struct iwn_softc *, struct iwn_node_info *,
  			    int);
  	void		(*tx_done)(struct iwn_softc *, struct iwn_rx_desc *,
  			    struct iwn_rx_data *);
  #ifndef IEEE80211_NO_HT
  	void		(*ampdu_tx_start)(struct iwn_softc *,
  			    struct ieee80211_node *, uint8_t, uint16_t);
  	void		(*ampdu_tx_stop)(struct iwn_softc *, uint8_t,
  			    uint16_t);
  #endif
  };
  
  struct iwn_softc {
  	struct device		sc_dev;
  
  	struct ieee80211com	sc_ic;
  	int			(*sc_newstate)(struct ieee80211com *,
  				    enum ieee80211_state, int);
  
  	struct ieee80211_amrr	amrr;
  	uint8_t			fixed_ridx;
  
  	bus_dma_tag_t		sc_dmat;
  
  	u_int			sc_flags;
  #define IWN_FLAG_HAS_5GHZ	(1 << 0)
  #define IWN_FLAG_HAS_OTPROM	(1 << 1)
  #define IWN_FLAG_CALIB_DONE	(1 << 2)
  #define IWN_FLAG_USE_ICT	(1 << 3)
  #define IWN_FLAG_INTERNAL_PA	(1 << 4)
  #define IWN_FLAG_BUSY		(1 << 5)
  #define IWN_FLAG_HAS_11N	(1 << 6)
  #define IWN_FLAG_ENH_SENS	(1 << 7)
  
  	uint8_t 		hw_type;
  
  	struct iwn_ops		ops;
  	const char		*fwname;
  	const struct iwn_sensitivity_limits
  				*limits;
  	int			ntxqs;
  	int			ndmachnls;
  	uint8_t			broadcast_id;
  	int			rxonsz;
  	int			schedsz;
  	uint32_t		fw_text_maxsz;
  	uint32_t		fw_data_maxsz;
  	uint32_t		fwsz;
  	bus_size_t		sched_txfact_addr;
  
  	/* TX scheduler rings. */
  	struct iwn_dma_info	sched_dma;
  	uint16_t		*sched;
  	uint32_t		sched_base;
  
  	/* "Keep Warm" page. */
  	struct iwn_dma_info	kw_dma;
  
  	/* Firmware DMA transfer. */
  	struct iwn_dma_info	fw_dma;
  
  	/* ICT table. */
  	struct iwn_dma_info	ict_dma;
  	uint32_t		*ict;
  	int			ict_cur;
  
  	/* TX/RX rings. */
  	struct iwn_tx_ring	txq[IWN5000_NTXQUEUES];
  	struct iwn_rx_ring	rxq;
  
  	bus_space_tag_t		sc_st;
  	bus_space_handle_t	sc_sh;
  	void 			*sc_ih;
  	pci_chipset_tag_t	sc_pct;
  	pcitag_t		sc_pcitag;
  	bus_size_t		sc_sz;
  	int			sc_cap_off;	/* PCIe Capabilities. */
  
  	struct timeout		calib_to;
  	int			calib_cnt;
  	struct iwn_calib_state	calib;
  
  	struct iwn_fw_info	fw;
  	struct iwn_calib_info	calibcmd[5];
  	uint32_t		errptr;
  
  	struct iwn_rx_stat	last_rx_stat;
  	int			last_rx_valid;
  	struct iwn_ucode_info	ucode_info;
  	struct iwn_rxon		rxon;
  	uint32_t		rawtemp;
  	int			temp;
  	int			noise;
  	uint32_t		qfullmsk;
  
  	uint32_t		prom_base;
  	struct iwn4965_eeprom_band
  				bands[IWN_NBANDS];
  	uint16_t		rfcfg;
  	uint8_t			calib_ver;
  	char			eeprom_domain[4];
  	uint32_t		eeprom_crystal;
  	int16_t			eeprom_temp;
  	int16_t			eeprom_voltage;
  	int8_t			maxpwr2GHz;
  	int8_t			maxpwr5GHz;
  	int8_t			maxpwr[IEEE80211_CHAN_MAX];
  	int8_t			enh_maxpwr[35];
  
  	int32_t			temp_off;
  	uint32_t		int_mask;
  	uint8_t			ntxchains;
  	uint8_t			nrxchains;
  	uint8_t			txchainmask;
  	uint8_t			rxchainmask;
  	uint8_t			chainmask;
  
  	int			sc_tx_timer;
  	struct workq_task	sc_resume_wqt;
  
  #if NBPFILTER > 0
  	caddr_t			sc_drvbpf;
  
  	union {
  		struct iwn_rx_radiotap_header th;
  		uint8_t	pad[IEEE80211_RADIOTAP_HDRLEN];
  	} sc_rxtapu;
  #define sc_rxtap	sc_rxtapu.th
  	int			sc_rxtap_len;
  
  	union {
  		struct iwn_tx_radiotap_header th;
  		uint8_t	pad[IEEE80211_RADIOTAP_HDRLEN];
  	} sc_txtapu;
  #define sc_txtap	sc_txtapu.th
  	int			sc_txtap_len;
  #endif
  };
  