xref: /openbsd/sys/dev/usb/if_runvar.h (revision 91f110e0)
1 /*	$OpenBSD: if_runvar.h,v 1.9 2013/04/15 09:23:01 mglocker Exp $	*/
2 
3 /*-
4  * Copyright (c) 2008,2009 Damien Bergamini <damien.bergamini@free.fr>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #define RUN_MAX_RXSZ			\
20 	4096
21 #if 0
22 	(sizeof (uint32_t) +		\
23 	 sizeof (struct rt2860_rxwi) +	\
24 	 sizeof (uint16_t) +		\
25 	 MCLBYTES +			\
26 	 sizeof (struct rt2870_rxd))
27 #endif
28 /* NB: "11" is the maximum number of padding bytes needed for Tx */
29 #define RUN_MAX_TXSZ			\
30 	(sizeof (struct rt2870_txd) +	\
31 	 sizeof (struct rt2860_rxwi) +	\
32 	 MCLBYTES + 11)
33 
34 #define RUN_TX_TIMEOUT	5000	/* ms */
35 
36 #define RUN_RX_RING_COUNT	1
37 #define RUN_TX_RING_COUNT	8
38 
39 #define RT2870_WCID_MAX		253
40 #define RUN_AID2WCID(aid)	((aid) & 0xff)
41 
42 struct run_rx_radiotap_header {
43 	struct ieee80211_radiotap_header wr_ihdr;
44 	uint8_t		wr_flags;
45 	uint8_t		wr_rate;
46 	uint16_t	wr_chan_freq;
47 	uint16_t	wr_chan_flags;
48 	uint8_t		wr_dbm_antsignal;
49 	uint8_t		wr_antenna;
50 	uint8_t		wr_antsignal;
51 } __packed;
52 
53 #define RUN_RX_RADIOTAP_PRESENT				\
54 	(1 << IEEE80211_RADIOTAP_FLAGS |		\
55 	 1 << IEEE80211_RADIOTAP_RATE |			\
56 	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
57 	 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL |	\
58 	 1 << IEEE80211_RADIOTAP_ANTENNA |		\
59 	 1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)
60 
61 struct run_tx_radiotap_header {
62 	struct ieee80211_radiotap_header wt_ihdr;
63 	uint8_t		wt_flags;
64 	uint8_t		wt_rate;
65 	uint16_t	wt_chan_freq;
66 	uint16_t	wt_chan_flags;
67 	uint8_t		wt_hwqueue;
68 } __packed;
69 
70 #define RUN_TX_RADIOTAP_PRESENT				\
71 	(1 << IEEE80211_RADIOTAP_FLAGS |		\
72 	 1 << IEEE80211_RADIOTAP_RATE |			\
73 	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
74 	 1 << IEEE80211_RADIOTAP_HWQUEUE)
75 
76 struct run_softc;
77 
78 struct run_tx_data {
79 	struct run_softc	*sc;
80 	struct usbd_xfer	*xfer;
81 	uint8_t			*buf;
82 	uint8_t			qid;
83 };
84 
85 struct run_rx_data {
86 	struct run_softc	*sc;
87 	struct usbd_xfer	*xfer;
88 	uint8_t			*buf;
89 };
90 
91 struct run_tx_ring {
92 	struct run_tx_data	data[RUN_TX_RING_COUNT];
93 	struct usbd_pipe	*pipeh;
94 	int			cur;
95 	int			queued;
96 	uint8_t			pipe_no;
97 };
98 
99 struct run_rx_ring {
100 	struct run_rx_data	data[RUN_RX_RING_COUNT];
101 	struct usbd_pipe	*pipeh;
102 	uint8_t			pipe_no;
103 };
104 
105 struct run_host_cmd {
106 	void	(*cb)(struct run_softc *, void *);
107 	uint8_t	data[256];
108 };
109 
110 struct run_cmd_newstate {
111 	enum ieee80211_state	state;
112 	int			arg;
113 };
114 
115 struct run_cmd_key {
116 	struct ieee80211_key	key;
117 	uint16_t		associd;
118 };
119 
120 #define RUN_HOST_CMD_RING_COUNT	32
121 struct run_host_cmd_ring {
122 	struct run_host_cmd	cmd[RUN_HOST_CMD_RING_COUNT];
123 	int			cur;
124 	int			next;
125 	int			queued;
126 };
127 
128 struct run_node {
129 	struct ieee80211_node	ni;
130 	uint8_t			ridx[IEEE80211_RATE_MAXSIZE];
131 	uint8_t			ctl_ridx[IEEE80211_RATE_MAXSIZE];
132 };
133 
134 struct run_softc {
135 	struct device			sc_dev;
136 	struct ieee80211com		sc_ic;
137 	int				(*sc_newstate)(struct ieee80211com *,
138 					    enum ieee80211_state, int);
139 	int				(*sc_srom_read)(struct run_softc *,
140 					    uint16_t, uint16_t *);
141 
142 	struct usbd_device		*sc_udev;
143 	struct usbd_interface		*sc_iface;
144 
145 	uint16_t			mac_ver;
146 	uint16_t			mac_rev;
147 	uint8_t				rf_rev;
148 	uint8_t				freq;
149 	uint8_t				ntxchains;
150 	uint8_t				nrxchains;
151 	int				fixed_ridx;
152 
153 	uint8_t				bbp25;
154 	uint8_t				bbp26;
155 	uint8_t				rf24_20mhz;
156 	uint8_t				rf24_40mhz;
157 	uint8_t				patch_dac;
158 	uint8_t				rfswitch;
159 	uint8_t				ext_2ghz_lna;
160 	uint8_t				ext_5ghz_lna;
161 	uint8_t				calib_2ghz;
162 	uint8_t				calib_5ghz;
163 	uint8_t				txmixgain_2ghz;
164 	uint8_t				txmixgain_5ghz;
165 	int8_t				txpow1[54];
166 	int8_t				txpow2[54];
167 	int8_t				rssi_2ghz[3];
168 	int8_t				rssi_5ghz[3];
169 	uint8_t				lna[4];
170 
171 	struct {
172 		uint8_t	reg;
173 		uint8_t	val;
174 	}				bbp[10], rf[10];
175 	uint8_t				leds;
176 	uint16_t			led[3];
177 	uint32_t			txpow20mhz[5];
178 	uint32_t			txpow40mhz_2ghz[5];
179 	uint32_t			txpow40mhz_5ghz[5];
180 
181 	struct usb_task			sc_task;
182 
183 	struct ieee80211_amrr		amrr;
184 	struct ieee80211_amrr_node	amn;
185 
186 	struct timeout			scan_to;
187 	struct timeout			calib_to;
188 
189 	struct run_rx_ring		rxq;
190 	struct run_tx_ring		txq[4];
191 	struct run_host_cmd_ring	cmdq;
192 	uint8_t				qfullmsk;
193 	int				sc_tx_timer;
194 
195 #if NBPFILTER > 0
196 	caddr_t				sc_drvbpf;
197 
198 	union {
199 		struct run_rx_radiotap_header th;
200 		uint8_t	pad[64];
201 	}				sc_rxtapu;
202 #define sc_rxtap	sc_rxtapu.th
203 	int				sc_rxtap_len;
204 
205 	union {
206 		struct run_tx_radiotap_header th;
207 		uint8_t	pad[64];
208 	}				sc_txtapu;
209 #define sc_txtap	sc_txtapu.th
210 	int				sc_txtap_len;
211 #endif
212 };
213