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if_urtwnvar.h revision 1.3 
      1 /*	$NetBSD: if_urtwnvar.h,v 1.3 2013/01/18 01:41:07 jmcneill Exp $	*/
      2 /*	$OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $	*/
      3 
      4 /*-
      5  * Copyright (c) 2010 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 /*
     21  * Driver definitions.
     22  */
     23 #define URTWN_RX_LIST_COUNT		1
     24 #define URTWN_TX_LIST_COUNT		8
     25 #define URTWN_HOST_CMD_RING_COUNT	32
     26 
     27 #define URTWN_RXBUFSZ	(16 * 1024)
     28 #define URTWN_TXBUFSZ	(sizeof(struct r92c_tx_desc) + IEEE80211_MAX_LEN + 8)
     29 
     30 #define URTWN_RIDX_COUNT	28
     31 
     32 #define URTWN_TX_TIMEOUT	5000	/* ms */
     33 
     34 #define URTWN_LED_LINK	0
     35 #define URTWN_LED_DATA	1
     36 
     37 struct urtwn_rx_radiotap_header {
     38 	struct ieee80211_radiotap_header wr_ihdr;
     39 	uint8_t		wr_flags;
     40 	uint8_t		wr_rate;
     41 	uint16_t	wr_chan_freq;
     42 	uint16_t	wr_chan_flags;
     43 	uint8_t		wr_dbm_antsignal;
     44 } __packed;
     45 
     46 #define URTWN_RX_RADIOTAP_PRESENT			\
     47 	(1 << IEEE80211_RADIOTAP_FLAGS |		\
     48 	 1 << IEEE80211_RADIOTAP_RATE |			\
     49 	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
     50 	 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)
     51 
     52 struct urtwn_tx_radiotap_header {
     53 	struct ieee80211_radiotap_header wt_ihdr;
     54 	uint8_t		wt_flags;
     55 	uint16_t	wt_chan_freq;
     56 	uint16_t	wt_chan_flags;
     57 } __packed;
     58 
     59 #define URTWN_TX_RADIOTAP_PRESENT			\
     60 	(1 << IEEE80211_RADIOTAP_FLAGS |		\
     61 	 1 << IEEE80211_RADIOTAP_CHANNEL)
     62 
     63 struct urtwn_softc;
     64 
     65 struct urtwn_rx_data {
     66 	struct urtwn_softc	*sc;
     67 	usbd_xfer_handle	xfer;
     68 	uint8_t			*buf;
     69 };
     70 
     71 struct urtwn_tx_data {
     72 	struct urtwn_softc		*sc;
     73 	usbd_pipe_handle		pipe;
     74 	usbd_xfer_handle		xfer;
     75 	uint8_t				*buf;
     76 	TAILQ_ENTRY(urtwn_tx_data)	next;
     77 };
     78 
     79 struct urtwn_host_cmd {
     80 	void	(*cb)(struct urtwn_softc *, void *);
     81 	uint8_t	data[256];
     82 };
     83 
     84 struct urtwn_cmd_newstate {
     85 	enum ieee80211_state	state;
     86 	int			arg;
     87 };
     88 
     89 struct urtwn_host_cmd_ring {
     90 	struct urtwn_host_cmd	cmd[URTWN_HOST_CMD_RING_COUNT];
     91 	int			cur;
     92 	int			next;
     93 	int			queued;
     94 };
     95 
     96 #if 1	/* XXX: sys/net80211/ieee80211.h */
     97 
     98 #define	IEEE80211_HTINFO_2NDCHAN	0x03	/* secondary/ext chan offset */
     99 #define	IEEE80211_HTINFO_2NDCHAN_S	0
    100 #define	IEEE80211_HTINFO_2NDCHAN_NONE	0x00	/* no secondary/ext channel */
    101 #define	IEEE80211_HTINFO_2NDCHAN_ABOVE	0x01	/* above private channel */
    102 /* NB: 2 is reserved */
    103 #define	IEEE80211_HTINFO_2NDCHAN_BELOW	0x03	/* below primary channel */
    104 #endif	/* XXX: 1 */
    105 
    106 struct urtwn_softc {
    107 	device_t			sc_dev;
    108 	struct ieee80211com		sc_ic;
    109 	struct ethercom			sc_ec;
    110 #define sc_if   sc_ec.ec_if
    111 	int				(*sc_newstate)(struct ieee80211com *,
    112 					    enum ieee80211_state, int);
    113 
    114 	usbd_device_handle		sc_udev;
    115 	usbd_interface_handle		sc_iface;
    116 	u_int				sc_flags;
    117 #define URTWN_FLAG_CCK_HIPWR	__BIT(0)
    118 #define	URTWN_FLAG_ATTACHED	__BIT(1)
    119 #define	URTWN_FLAG_FWREADY	__BIT(2)
    120 #define URTWN_FLAG_INIT_ONCE	__BIT(3)
    121 	int				sc_dying;
    122 
    123 	struct usb_task			sc_task;
    124 	callout_t			sc_scan_to;
    125 	callout_t			sc_calib_to;
    126 
    127 	kmutex_t			sc_task_mtx;
    128 	kmutex_t			sc_fwcmd_mtx;
    129 	kmutex_t			sc_tx_mtx;
    130 
    131 	usbd_pipe_handle		rx_pipe;
    132 	int				rx_npipe;
    133 	usbd_pipe_handle		tx_pipe[R92C_MAX_EPOUT];
    134 	int				tx_npipe;
    135 	int				ac2idx[WME_NUM_AC];
    136 
    137 	u_int				chip;
    138 #define URTWN_CHIP_92C		0x01
    139 #define URTWN_CHIP_92C_1T2R	0x02
    140 #define URTWN_CHIP_UMC		0x04
    141 #define URTWN_CHIP_UMC_A_CUT	0x08
    142 
    143 	uint8_t				board_type;
    144 	uint8_t				regulatory;
    145 	uint8_t				pa_setting;
    146 	int				avg_pwdb;
    147 	int				thcal_state;
    148 	int				thcal_lctemp;
    149 	int				ntxchains;
    150 	int				nrxchains;
    151 	int				ledlink;
    152 	bool				iqk_inited;
    153 
    154 	int				tx_timer;
    155 
    156 	struct urtwn_host_cmd_ring	cmdq;
    157 	int				fwcur;
    158 	struct urtwn_rx_data		rx_data[URTWN_RX_LIST_COUNT];
    159 	struct urtwn_tx_data		tx_data[URTWN_TX_LIST_COUNT];
    160 	TAILQ_HEAD(, urtwn_tx_data)	tx_free_list;
    161 
    162 	struct r92c_rom			rom;
    163 
    164 	uint32_t			rf_chnlbw[R92C_MAX_CHAINS];
    165 
    166 	struct bpf_if *			sc_drvbpf;
    167 	union {
    168 		struct urtwn_rx_radiotap_header th;
    169 		uint8_t	pad[64];
    170 	}				sc_rxtapu;
    171 #define sc_rxtap	sc_rxtapu.th
    172 	int				sc_rxtap_len;
    173 	union {
    174 		struct urtwn_tx_radiotap_header th;
    175 		uint8_t	pad[64];
    176 	}				sc_txtapu;
    177 #define sc_txtap	sc_txtapu.th
    178 	int				sc_txtap_len;
    179 };
    180