xref: /dragonfly/sys/bus/u4b/wlan/if_rumvar.h (revision 279dd846)
1 /*	$FreeBSD: head/sys/dev/usb/wlan/if_rumvar.h 253757 2013-07-29 05:54:13Z hselasky $	*/
2 
3 /*-
4  * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr>
5  * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
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 #define RUM_TX_LIST_COUNT	8
21 #define RUM_TX_MINFREE		2
22 
23 struct rum_rx_radiotap_header {
24 	struct ieee80211_radiotap_header wr_ihdr;
25 	uint8_t		wr_flags;
26 	uint8_t		wr_rate;
27 	uint16_t	wr_chan_freq;
28 	uint16_t	wr_chan_flags;
29 	int8_t		wr_antsignal;
30 	int8_t		wr_antnoise;
31 	uint8_t		wr_antenna;
32 } __packed __aligned(8);
33 
34 #define RT2573_RX_RADIOTAP_PRESENT					\
35 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
36 	 (1 << IEEE80211_RADIOTAP_RATE) |				\
37 	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
38 	 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |			\
39 	 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |			\
40 	 (1 << IEEE80211_RADIOTAP_ANTENNA) |				\
41 	 0)
42 
43 struct rum_tx_radiotap_header {
44 	struct ieee80211_radiotap_header wt_ihdr;
45 	uint8_t		wt_flags;
46 	uint8_t		wt_rate;
47 	uint16_t	wt_chan_freq;
48 	uint16_t	wt_chan_flags;
49 	uint8_t		wt_antenna;
50 } __packed __aligned(8);
51 
52 #define RT2573_TX_RADIOTAP_PRESENT					\
53 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
54 	 (1 << IEEE80211_RADIOTAP_RATE) |				\
55 	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
56 	 (1 << IEEE80211_RADIOTAP_ANTENNA))
57 
58 struct rum_softc;
59 
60 struct rum_tx_data {
61 	STAILQ_ENTRY(rum_tx_data)	next;
62 	struct rum_softc		*sc;
63 	struct rum_tx_desc		desc;
64 	struct mbuf			*m;
65 	struct ieee80211_node		*ni;
66 	int				rate;
67 };
68 typedef STAILQ_HEAD(, rum_tx_data) rum_txdhead;
69 
70 struct rum_vap {
71 	struct ieee80211vap		vap;
72 	struct ieee80211_beacon_offsets	bo;
73 	struct usb_callout		ratectl_ch;
74 	struct task			ratectl_task;
75 
76 	int				(*newstate)(struct ieee80211vap *,
77 					    enum ieee80211_state, int);
78 };
79 #define	RUM_VAP(vap)	((struct rum_vap *)(vap))
80 
81 enum {
82 	RUM_BULK_WR,
83 	RUM_BULK_RD,
84 	RUM_N_TRANSFER = 2,
85 };
86 
87 struct rum_softc {
88 	struct ifnet			*sc_ifp;
89 	device_t			sc_dev;
90 	struct usb_device		*sc_udev;
91 
92 	struct usb_xfer		*sc_xfer[RUM_N_TRANSFER];
93 
94 	uint8_t				rf_rev;
95 	uint8_t				rffreq;
96 
97 	struct rum_tx_data		tx_data[RUM_TX_LIST_COUNT];
98 	rum_txdhead			tx_q;
99 	rum_txdhead			tx_free;
100 	int				tx_nfree;
101 	struct rum_rx_desc		sc_rx_desc;
102 
103 	struct lock			sc_lock;
104 
105 	uint32_t			sta[6];
106 	uint32_t			rf_regs[4];
107 	uint8_t				txpow[44];
108 	uint8_t				sc_bssid[6];
109 	uint8_t				sc_detached;
110 
111 	struct {
112 		uint8_t	val;
113 		uint8_t	reg;
114 	} __packed			bbp_prom[16];
115 
116 	int				hw_radio;
117 	int				rx_ant;
118 	int				tx_ant;
119 	int				nb_ant;
120 	int				ext_2ghz_lna;
121 	int				ext_5ghz_lna;
122 	int				rssi_2ghz_corr;
123 	int				rssi_5ghz_corr;
124 	uint8_t				bbp17;
125 
126 	struct rum_rx_radiotap_header	sc_rxtap;
127 	int				sc_rxtap_len;
128 
129 	struct rum_tx_radiotap_header	sc_txtap;
130 	int				sc_txtap_len;
131 };
132 
133 #define RUM_LOCK(sc)		lockmgr(&(sc)->sc_lock, LK_EXCLUSIVE)
134 #define RUM_UNLOCK(sc)		lockmgr(&(sc)->sc_lock, LK_RELEASE)
135 #define RUM_LOCK_ASSERT(sc, t)	KKASSERT(lockstatus(&(sc)->sc_lock, curthread) != 0)
136