if_rumvar.h revision 288633 
1/*	$FreeBSD: head/sys/dev/usb/wlan/if_rumvar.h 288633 2015-10-03 20:49:08Z adrian $	*/
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
23struct rum_rx_radiotap_header {
24	struct ieee80211_radiotap_header wr_ihdr;
25	uint64_t	wr_tsf;
26	uint8_t		wr_flags;
27	uint8_t		wr_rate;
28	uint16_t	wr_chan_freq;
29	uint16_t	wr_chan_flags;
30	int8_t		wr_antsignal;
31	int8_t		wr_antnoise;
32	uint8_t		wr_antenna;
33} __packed __aligned(8);
34
35#define RT2573_RX_RADIOTAP_PRESENT					\
36	((1 << IEEE80211_RADIOTAP_TSFT) |				\
37	 (1 << IEEE80211_RADIOTAP_FLAGS) |				\
38	 (1 << IEEE80211_RADIOTAP_RATE) |				\
39	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
40	 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |			\
41	 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |			\
42	 (1 << IEEE80211_RADIOTAP_ANTENNA) |				\
43	 0)
44
45struct rum_tx_radiotap_header {
46	struct ieee80211_radiotap_header wt_ihdr;
47	uint64_t	wt_tsf;
48	uint8_t		wt_flags;
49	uint8_t		wt_rate;
50	uint16_t	wt_chan_freq;
51	uint16_t	wt_chan_flags;
52	uint8_t		wt_antenna;
53} __packed __aligned(8);
54
55#define RT2573_TX_RADIOTAP_PRESENT					\
56	((1 << IEEE80211_RADIOTAP_TSFT) |				\
57	 (1 << IEEE80211_RADIOTAP_FLAGS) |				\
58	 (1 << IEEE80211_RADIOTAP_RATE) |				\
59	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
60	 (1 << IEEE80211_RADIOTAP_ANTENNA))
61
62struct rum_softc;
63
64struct rum_tx_data {
65	STAILQ_ENTRY(rum_tx_data)	next;
66	struct rum_softc		*sc;
67	struct rum_tx_desc		desc;
68	struct mbuf			*m;
69	struct ieee80211_node		*ni;
70	int				rate;
71};
72typedef STAILQ_HEAD(, rum_tx_data) rum_txdhead;
73
74union sec_param {
75	struct ieee80211_key		key;
76	uint8_t				macaddr[IEEE80211_ADDR_LEN];
77	struct ieee80211vap		*vap;
78};
79#define CMD_FUNC_PROTO			void (*func)(struct rum_softc *, \
80					    union sec_param *, uint8_t, \
81					    uint8_t)
82
83struct rum_cmdq {
84	union sec_param			data;
85
86	uint8_t				rn_id;
87	uint8_t				rvp_id;
88
89	CMD_FUNC_PROTO;
90};
91#define RUM_CMDQ_SIZE			16
92
93struct rum_vap {
94	struct ieee80211vap		vap;
95	struct mbuf			*bcn_mbuf;
96	struct usb_callout		ratectl_ch;
97	struct task			ratectl_task;
98
99	int				(*newstate)(struct ieee80211vap *,
100					    enum ieee80211_state, int);
101};
102#define	RUM_VAP(vap)	((struct rum_vap *)(vap))
103
104enum {
105	RUM_BULK_WR,
106	RUM_BULK_RD,
107	RUM_N_TRANSFER = 2,
108};
109
110struct rum_softc {
111	struct ieee80211com		sc_ic;
112	struct mbufq			sc_snd;
113	device_t			sc_dev;
114	struct usb_device		*sc_udev;
115
116	struct usb_xfer			*sc_xfer[RUM_N_TRANSFER];
117
118	uint8_t				rf_rev;
119	uint8_t				rffreq;
120
121	struct rum_tx_data		tx_data[RUM_TX_LIST_COUNT];
122	rum_txdhead			tx_q;
123	rum_txdhead			tx_free;
124	int				tx_nfree;
125	struct rum_rx_desc		sc_rx_desc;
126
127	struct mtx			sc_mtx;
128
129	struct rum_cmdq			cmdq[RUM_CMDQ_SIZE];
130	struct mtx			cmdq_mtx;
131	struct task			cmdq_task;
132	uint8_t				cmdq_first;
133	uint8_t				cmdq_last;
134
135	uint32_t			sta[6];
136	uint32_t			rf_regs[4];
137	uint8_t				txpow[44];
138	u_int				sc_detached:1,
139					sc_running:1,
140					sc_clr_shkeys:1;
141
142	uint8_t				sc_bssid[IEEE80211_ADDR_LEN];
143
144	uint8_t				vap_key_count[1];
145	uint64_t			keys_bmap;
146
147	struct {
148		uint8_t	val;
149		uint8_t	reg;
150	} __packed			bbp_prom[16];
151
152	int				hw_radio;
153	int				rx_ant;
154	int				tx_ant;
155	int				nb_ant;
156	int				ext_2ghz_lna;
157	int				ext_5ghz_lna;
158	int				rssi_2ghz_corr;
159	int				rssi_5ghz_corr;
160	uint8_t				bbp17;
161
162	struct rum_rx_radiotap_header	sc_rxtap;
163	struct rum_tx_radiotap_header	sc_txtap;
164};
165
166#define RUM_LOCK_INIT(sc) \
167	mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \
168	    MTX_NETWORK_LOCK, MTX_DEF);
169#define RUM_LOCK(sc)			mtx_lock(&(sc)->sc_mtx)
170#define RUM_UNLOCK(sc)			mtx_unlock(&(sc)->sc_mtx)
171#define RUM_LOCK_ASSERT(sc)		mtx_assert(&(sc)->sc_mtx, MA_OWNED)
172#define RUM_LOCK_DESTROY(sc)		mtx_destroy(&(sc)->sc_mtx)
173
174#define RUM_CMDQ_LOCK_INIT(sc) \
175	mtx_init(&(sc)->cmdq_mtx, "cmdq lock", NULL, MTX_DEF)
176#define RUM_CMDQ_LOCK(sc)		mtx_lock(&(sc)->cmdq_mtx)
177#define RUM_CMDQ_UNLOCK(sc)		mtx_unlock(&(sc)->cmdq_mtx)
178#define RUM_CMDQ_LOCK_DESTROY(sc)	mtx_destroy(&(sc)->cmdq_mtx)
179