if_uralvar.h revision 188942 
1/*	$FreeBSD: head/sys/dev/usb/wlan/if_uralvar.h 188942 2009-02-23 18:31:00Z thompsa $	*/
2
3/*-
4 * Copyright (c) 2005
5 *	Damien Bergamini <damien.bergamini@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#define RAL_TX_LIST_COUNT	8
21
22#define URAL_SCAN_START         1
23#define URAL_SCAN_END           2
24#define URAL_SET_CHANNEL        3
25
26
27struct ural_rx_radiotap_header {
28	struct ieee80211_radiotap_header wr_ihdr;
29	uint8_t		wr_flags;
30	uint8_t		wr_rate;
31	uint16_t	wr_chan_freq;
32	uint16_t	wr_chan_flags;
33	uint8_t		wr_antenna;
34	uint8_t		wr_antsignal;
35};
36
37#define RAL_RX_RADIOTAP_PRESENT						\
38	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
39	 (1 << IEEE80211_RADIOTAP_RATE) |				\
40	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
41	 (1 << IEEE80211_RADIOTAP_ANTENNA) |				\
42	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
43
44struct ural_tx_radiotap_header {
45	struct ieee80211_radiotap_header wt_ihdr;
46	uint8_t		wt_flags;
47	uint8_t		wt_rate;
48	uint16_t	wt_chan_freq;
49	uint16_t	wt_chan_flags;
50	uint8_t		wt_antenna;
51};
52
53#define RAL_TX_RADIOTAP_PRESENT						\
54	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
55	 (1 << IEEE80211_RADIOTAP_RATE) |				\
56	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
57	 (1 << IEEE80211_RADIOTAP_ANTENNA))
58
59struct ural_softc;
60
61struct ural_task {
62	struct usb2_proc_msg	hdr;
63	struct ural_softc	*sc;
64};
65
66struct ural_tx_data {
67	STAILQ_ENTRY(ural_tx_data)	next;
68	struct ural_softc		*sc;
69	struct ural_tx_desc		desc;
70	struct mbuf			*m;
71	struct ieee80211_node		*ni;
72	int				rate;
73};
74typedef STAILQ_HEAD(, ural_tx_data) ural_txdhead;
75
76struct ural_node {
77	struct ieee80211_node		ni;
78	struct ieee80211_amrr_node	amn;
79};
80#define	URAL_NODE(ni)	((struct ural_node *)(ni))
81
82struct ural_vap {
83	struct ieee80211vap		vap;
84	struct ural_softc		*sc;
85	struct ieee80211_beacon_offsets	bo;
86	struct ieee80211_amrr		amrr;
87	struct usb2_callout		amrr_ch;
88	struct ural_task		amrr_task[2];
89
90	int				(*newstate)(struct ieee80211vap *,
91					    enum ieee80211_state, int);
92};
93#define	URAL_VAP(vap)	((struct ural_vap *)(vap))
94
95enum {
96	URAL_BULK_WR,
97	URAL_BULK_RD,
98	URAL_N_TRANSFER = 2,
99};
100
101struct ural_softc {
102	struct ifnet			*sc_ifp;
103	device_t			sc_dev;
104	struct usb2_device		*sc_udev;
105	struct usb2_process		sc_tq;
106
107	const struct ieee80211_rate_table *sc_rates;
108
109	uint32_t			asic_rev;
110	uint8_t				rf_rev;
111
112	struct usb2_xfer		*sc_xfer[URAL_N_TRANSFER];
113
114	enum ieee80211_state		sc_state;
115	int				sc_arg;
116	int                             sc_scan_action; /* should be an enum */
117	struct ural_task		sc_synctask[2];
118	struct ural_task		sc_task[2];
119	struct ural_task		sc_promisctask[2];
120	struct ural_task		sc_scantask[2];
121
122	struct ural_tx_data		tx_data[RAL_TX_LIST_COUNT];
123	ural_txdhead			tx_q;
124	ural_txdhead			tx_free;
125	int				tx_nfree;
126	struct ural_rx_desc		sc_rx_desc;
127
128	struct mtx			sc_mtx;
129
130	uint16_t			sta[11];
131	uint32_t			rf_regs[4];
132	uint8_t				txpow[14];
133	uint8_t				sc_bssid[6];
134
135	struct {
136		uint8_t			val;
137		uint8_t			reg;
138	} __packed			bbp_prom[16];
139
140	int				led_mode;
141	int				hw_radio;
142	int				rx_ant;
143	int				tx_ant;
144	int				nb_ant;
145
146	struct ural_rx_radiotap_header	sc_rxtap;
147	int				sc_rxtap_len;
148
149	struct ural_tx_radiotap_header	sc_txtap;
150	int				sc_txtap_len;
151};
152
153#define RAL_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
154#define RAL_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
155#define RAL_LOCK_ASSERT(sc, t)	mtx_assert(&(sc)->sc_mtx, t)
156