1/*	$OpenBSD: if_runvar.h,v 1.3 2009/03/26 20:17:27 damien Exp $	*/
2
3/*-
4 * Copyright (c) 2008,2009 Damien Bergamini <damien.bergamini@free.fr>
5 * ported to FreeBSD by Akinori Furukoshi <moonlightakkiy@yahoo.ca>
6 * USB Consulting, Hans Petter Selasky <hselasky@freebsd.org>
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 *
20 * $FreeBSD$
21 */
22
23#ifndef _IF_RUNVAR_H_
24#define	_IF_RUNVAR_H_
25
26/* Support up to 4KB frames - useful for A-MSDU/FF. */
27#define	RUN_MAX_RXSZ			\
28	MIN(4096, MJUMPAGESIZE)
29
30/* Support up to 8KB frames - useful for A-MSDU/FF. */
31#define	RUN_MAX_TXSZ			\
32	(sizeof (struct rt2870_txd) +	\
33	 sizeof (struct rt2860_txwi) +	\
34	 8192 + 11)
35
36#define	RUN_TX_TIMEOUT	5000	/* ms */
37
38/* Tx ring count was 8/endpoint, now 32 for all 4 (or 6) endpoints. */
39#define	RUN_TX_RING_COUNT	32
40#define	RUN_RX_RING_COUNT	1
41
42#define	RT2870_WCID_MAX		64
43#define	RUN_AID2WCID(aid)	((aid) & 0xff)
44
45#define	RUN_VAP_MAX		8
46
47struct run_rx_radiotap_header {
48	struct ieee80211_radiotap_header wr_ihdr;
49	uint64_t	wr_tsf;
50	uint8_t		wr_flags;
51	uint8_t		wr_rate;
52	uint16_t	wr_chan_freq;
53	uint16_t	wr_chan_flags;
54	int8_t		wr_dbm_antsignal;
55	uint8_t		wr_antenna;
56	uint8_t		wr_antsignal;
57} __packed __aligned(8);
58
59#define	RUN_RX_RADIOTAP_PRESENT				\
60	(1 << IEEE80211_RADIOTAP_TSFT |			\
61	 1 << IEEE80211_RADIOTAP_FLAGS |		\
62	 1 << IEEE80211_RADIOTAP_RATE |			\
63	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
64	 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL |	\
65	 1 << IEEE80211_RADIOTAP_ANTENNA |		\
66	 1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)
67
68struct run_tx_radiotap_header {
69	struct ieee80211_radiotap_header wt_ihdr;
70	uint8_t		wt_flags;
71	uint8_t		wt_rate;
72	uint16_t	wt_chan_freq;
73	uint16_t	wt_chan_flags;
74	uint8_t		wt_hwqueue;
75} __packed;
76
77#define IEEE80211_RADIOTAP_HWQUEUE 15
78
79#define	RUN_TX_RADIOTAP_PRESENT				\
80	(1 << IEEE80211_RADIOTAP_FLAGS |		\
81	 1 << IEEE80211_RADIOTAP_RATE |			\
82	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
83	 1 << IEEE80211_RADIOTAP_HWQUEUE)
84
85struct run_softc;
86
87struct run_tx_data {
88	STAILQ_ENTRY(run_tx_data)	next;
89	struct run_softc	*sc;
90	struct mbuf		*m;
91	struct ieee80211_node	*ni;
92	uint32_t align[0];	/* dummy field */
93	uint8_t	desc[sizeof(struct rt2870_txd) +
94		     sizeof(struct rt2860_txwi)];
95	uint8_t			ridx;
96};
97STAILQ_HEAD(run_tx_data_head, run_tx_data);
98
99struct run_node {
100	struct ieee80211_node	ni;
101	uint8_t			amrr_ridx;
102	uint8_t			mgt_ridx;
103	uint8_t			fix_ridx;
104};
105#define RUN_NODE(ni)		((struct run_node *)(ni))
106
107struct run_cmdq {
108	void			*arg0;
109	void			*arg1;
110	void			(*func)(void *);
111	struct ieee80211_key	*k;
112	struct ieee80211_key	key;
113	uint8_t			mac[IEEE80211_ADDR_LEN];
114	uint8_t			wcid;
115};
116
117struct run_vap {
118	struct ieee80211vap             vap;
119	struct mbuf			*beacon_mbuf;
120
121	int                             (*newstate)(struct ieee80211vap *,
122                                            enum ieee80211_state, int);
123	void				(*recv_mgmt)(struct ieee80211_node *,
124					    struct mbuf *, int,
125					    const struct ieee80211_rx_stats *,
126					    int, int);
127
128	uint8_t				rvp_id;
129};
130#define	RUN_VAP(vap)	((struct run_vap *)(vap))
131
132/*
133 * There are 7 bulk endpoints: 1 for RX
134 * and 6 for TX (4 EDCAs + HCCA + Prio).
135 * Update 03-14-2009:  some devices like the Planex GW-US300MiniS
136 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
137 */
138enum {
139	RUN_BULK_TX_BE,		/* = WME_AC_BE */
140	RUN_BULK_TX_BK,		/* = WME_AC_BK */
141	RUN_BULK_TX_VI,		/* = WME_AC_VI */
142	RUN_BULK_TX_VO,		/* = WME_AC_VO */
143	RUN_BULK_TX_HCCA,
144	RUN_BULK_TX_PRIO,
145	RUN_BULK_RX,
146	RUN_N_XFER,
147};
148
149#define	RUN_EP_QUEUES	RUN_BULK_RX
150
151struct run_endpoint_queue {
152	struct run_tx_data		tx_data[RUN_TX_RING_COUNT];
153	struct run_tx_data_head		tx_qh;
154	struct run_tx_data_head		tx_fh;
155	uint32_t			tx_nfree;
156};
157
158struct run_softc {
159	struct mtx			sc_mtx;
160	struct ieee80211com		sc_ic;
161	struct ieee80211_ratectl_tx_stats sc_txs;
162	struct mbufq			sc_snd;
163	device_t			sc_dev;
164	struct usb_device		*sc_udev;
165	int				sc_need_fwload;
166
167	int				sc_flags;
168#define	RUN_FLAG_FWLOAD_NEEDED		0x01
169#define	RUN_RUNNING			0x02
170
171	uint16_t			wcid_stats[RT2870_WCID_MAX + 1][3];
172#define	RUN_TXCNT	0
173#define	RUN_SUCCESS	1
174#define	RUN_RETRY	2
175
176	int				(*sc_srom_read)(struct run_softc *,
177					    uint16_t, uint16_t *);
178
179	uint16_t			mac_ver;
180	uint16_t			mac_rev;
181	uint16_t			rf_rev;
182	uint8_t				freq;
183	uint8_t				ntxchains;
184	uint8_t				nrxchains;
185
186	uint8_t				bbp25;
187	uint8_t				bbp26;
188	uint8_t				rf24_20mhz;
189	uint8_t				rf24_40mhz;
190	uint8_t				patch_dac;
191	uint8_t				rfswitch;
192	uint8_t				ext_2ghz_lna;
193	uint8_t				ext_5ghz_lna;
194	uint8_t				calib_2ghz;
195	uint8_t				calib_5ghz;
196	uint8_t				txmixgain_2ghz;
197	uint8_t				txmixgain_5ghz;
198	int8_t				txpow1[54];
199	int8_t				txpow2[54];
200	int8_t				txpow3[54];
201	int8_t				rssi_2ghz[3];
202	int8_t				rssi_5ghz[3];
203	uint8_t				lna[4];
204
205	struct {
206		uint8_t	reg;
207		uint8_t	val;
208	}				bbp[10], rf[10];
209	uint8_t				leds;
210	uint16_t			led[3];
211	uint32_t			txpow20mhz[5];
212	uint32_t			txpow40mhz_2ghz[5];
213	uint32_t			txpow40mhz_5ghz[5];
214
215	struct run_endpoint_queue	sc_epq[RUN_EP_QUEUES];
216
217	struct task                     ratectl_task;
218	struct usb_callout              ratectl_ch;
219	uint8_t				ratectl_run;
220#define	RUN_RATECTL_OFF	0
221
222/* need to be power of 2, otherwise RUN_CMDQ_GET fails */
223#define	RUN_CMDQ_MAX	16
224#define	RUN_CMDQ_MASQ	(RUN_CMDQ_MAX - 1)
225	struct run_cmdq			cmdq[RUN_CMDQ_MAX];
226	struct task			cmdq_task;
227	uint32_t			cmdq_store;
228	uint8_t				cmdq_exec;
229	uint8_t				cmdq_run;
230	uint8_t				cmdq_key_set;
231#define	RUN_CMDQ_ABORT	0
232#define	RUN_CMDQ_GO	1
233
234	struct usb_xfer			*sc_xfer[RUN_N_XFER];
235
236	struct mbuf			*rx_m;
237
238	uint8_t				fifo_cnt;
239
240	uint8_t				running;
241	uint8_t				runbmap;
242	uint8_t				ap_running;
243	uint8_t				adhoc_running;
244	uint8_t				sta_running;
245	uint8_t				rvp_cnt;
246	uint8_t				rvp_bmap;
247	uint8_t				sc_detached;
248
249	uint8_t				sc_bssid[IEEE80211_ADDR_LEN];
250
251	union {
252		struct run_rx_radiotap_header th;
253		uint8_t	pad[64];
254	}				sc_rxtapu;
255#define sc_rxtap	sc_rxtapu.th
256
257	union {
258		struct run_tx_radiotap_header th;
259		uint8_t	pad[64];
260	}				sc_txtapu;
261#define sc_txtap	sc_txtapu.th
262};
263
264#define	RUN_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
265#define	RUN_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
266#define	RUN_LOCK_ASSERT(sc, t)	mtx_assert(&(sc)->sc_mtx, t)
267
268#endif	/* _IF_RUNVAR_H_ */
269