xref: /freebsd/sys/dev/usb/wlan/if_runvar.h (revision 315ee00f)
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 
21 #ifndef _IF_RUNVAR_H_
22 #define	_IF_RUNVAR_H_
23 
24 /* Support up to 4KB frames - useful for A-MSDU/FF. */
25 #define	RUN_MAX_RXSZ			\
26 	MIN(4096, MJUMPAGESIZE)
27 
28 /* Support up to 8KB frames - useful for A-MSDU/FF. */
29 #define	RUN_MAX_TXSZ			\
30 	(sizeof (struct rt2870_txd) +	\
31 	 sizeof (struct rt2860_txwi) +	\
32 	 8192 + 11)
33 
34 #define	RUN_TX_TIMEOUT	5000	/* ms */
35 
36 /* Tx ring count was 8/endpoint, now 32 for all 4 (or 6) endpoints. */
37 #define	RUN_TX_RING_COUNT	32
38 #define	RUN_RX_RING_COUNT	1
39 
40 #define	RT2870_WCID_MAX		64
41 #define	RUN_AID2WCID(aid)	((aid) & 0xff)
42 
43 #define	RUN_VAP_MAX		8
44 
45 struct run_rx_radiotap_header {
46 	struct ieee80211_radiotap_header wr_ihdr;
47 	uint64_t	wr_tsf;
48 	uint8_t		wr_flags;
49 	uint8_t		wr_rate;
50 	uint16_t	wr_chan_freq;
51 	uint16_t	wr_chan_flags;
52 	int8_t		wr_dbm_antsignal;
53 	uint8_t		wr_antenna;
54 	uint8_t		wr_antsignal;
55 } __packed __aligned(8);
56 
57 #define	RUN_RX_RADIOTAP_PRESENT				\
58 	(1 << IEEE80211_RADIOTAP_TSFT |			\
59 	 1 << IEEE80211_RADIOTAP_FLAGS |		\
60 	 1 << IEEE80211_RADIOTAP_RATE |			\
61 	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
62 	 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL |	\
63 	 1 << IEEE80211_RADIOTAP_ANTENNA |		\
64 	 1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)
65 
66 struct run_tx_radiotap_header {
67 	struct ieee80211_radiotap_header wt_ihdr;
68 	uint8_t		wt_flags;
69 	uint8_t		wt_rate;
70 	uint16_t	wt_chan_freq;
71 	uint16_t	wt_chan_flags;
72 	uint8_t		wt_hwqueue;
73 } __packed;
74 
75 #define IEEE80211_RADIOTAP_HWQUEUE 15
76 
77 #define	RUN_TX_RADIOTAP_PRESENT				\
78 	(1 << IEEE80211_RADIOTAP_FLAGS |		\
79 	 1 << IEEE80211_RADIOTAP_RATE |			\
80 	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
81 	 1 << IEEE80211_RADIOTAP_HWQUEUE)
82 
83 struct run_softc;
84 
85 struct run_tx_data {
86 	STAILQ_ENTRY(run_tx_data)	next;
87 	struct run_softc	*sc;
88 	struct mbuf		*m;
89 	struct ieee80211_node	*ni;
90 	uint32_t align[0];	/* dummy field */
91 	uint8_t	desc[sizeof(struct rt2870_txd) +
92 		     sizeof(struct rt2860_txwi)];
93 	uint8_t			ridx;
94 };
95 STAILQ_HEAD(run_tx_data_head, run_tx_data);
96 
97 struct run_node {
98 	struct ieee80211_node	ni;
99 	uint8_t			amrr_ridx;
100 	uint8_t			mgt_ridx;
101 	uint8_t			fix_ridx;
102 };
103 #define RUN_NODE(ni)		((struct run_node *)(ni))
104 
105 struct run_cmdq {
106 	void			*arg0;
107 	void			*arg1;
108 	void			(*func)(void *);
109 	struct ieee80211_key	*k;
110 	struct ieee80211_key	key;
111 	uint8_t			mac[IEEE80211_ADDR_LEN];
112 	uint8_t			wcid;
113 };
114 
115 struct run_vap {
116 	struct ieee80211vap             vap;
117 	struct mbuf			*beacon_mbuf;
118 
119 	int                             (*newstate)(struct ieee80211vap *,
120                                             enum ieee80211_state, int);
121 	void				(*recv_mgmt)(struct ieee80211_node *,
122 					    struct mbuf *, int,
123 					    const struct ieee80211_rx_stats *,
124 					    int, int);
125 
126 	uint8_t				rvp_id;
127 };
128 #define	RUN_VAP(vap)	((struct run_vap *)(vap))
129 
130 /*
131  * There are 7 bulk endpoints: 1 for RX
132  * and 6 for TX (4 EDCAs + HCCA + Prio).
133  * Update 03-14-2009:  some devices like the Planex GW-US300MiniS
134  * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
135  */
136 enum {
137 	RUN_BULK_TX_BE,		/* = WME_AC_BE */
138 	RUN_BULK_TX_BK,		/* = WME_AC_BK */
139 	RUN_BULK_TX_VI,		/* = WME_AC_VI */
140 	RUN_BULK_TX_VO,		/* = WME_AC_VO */
141 	RUN_BULK_TX_HCCA,
142 	RUN_BULK_TX_PRIO,
143 	RUN_BULK_RX,
144 	RUN_N_XFER,
145 };
146 
147 #define	RUN_EP_QUEUES	RUN_BULK_RX
148 
149 struct run_endpoint_queue {
150 	struct run_tx_data		tx_data[RUN_TX_RING_COUNT];
151 	struct run_tx_data_head		tx_qh;
152 	struct run_tx_data_head		tx_fh;
153 	uint32_t			tx_nfree;
154 };
155 
156 struct run_softc {
157 	struct mtx			sc_mtx;
158 	struct ieee80211com		sc_ic;
159 	struct ieee80211_ratectl_tx_stats sc_txs;
160 	struct mbufq			sc_snd;
161 	device_t			sc_dev;
162 	struct usb_device		*sc_udev;
163 	int				sc_need_fwload;
164 
165 	int				sc_flags;
166 #define	RUN_FLAG_FWLOAD_NEEDED		0x01
167 #define	RUN_RUNNING			0x02
168 
169 	uint16_t			wcid_stats[RT2870_WCID_MAX + 1][3];
170 #define	RUN_TXCNT	0
171 #define	RUN_SUCCESS	1
172 #define	RUN_RETRY	2
173 
174 	int				(*sc_srom_read)(struct run_softc *,
175 					    uint16_t, uint16_t *);
176 
177 	uint16_t			mac_ver;
178 	uint16_t			mac_rev;
179 	uint16_t			rf_rev;
180 	uint8_t				freq;
181 	uint8_t				ntxchains;
182 	uint8_t				nrxchains;
183 
184 	uint8_t				bbp25;
185 	uint8_t				bbp26;
186 	uint8_t				rf24_20mhz;
187 	uint8_t				rf24_40mhz;
188 	uint8_t				patch_dac;
189 	uint8_t				rfswitch;
190 	uint8_t				ext_2ghz_lna;
191 	uint8_t				ext_5ghz_lna;
192 	uint8_t				calib_2ghz;
193 	uint8_t				calib_5ghz;
194 	uint8_t				txmixgain_2ghz;
195 	uint8_t				txmixgain_5ghz;
196 	int8_t				txpow1[54];
197 	int8_t				txpow2[54];
198 	int8_t				txpow3[54];
199 	int8_t				rssi_2ghz[3];
200 	int8_t				rssi_5ghz[3];
201 	uint8_t				lna[4];
202 
203 	struct {
204 		uint8_t	reg;
205 		uint8_t	val;
206 	}				bbp[10], rf[10];
207 	uint8_t				leds;
208 	uint16_t			led[3];
209 	uint32_t			txpow20mhz[5];
210 	uint32_t			txpow40mhz_2ghz[5];
211 	uint32_t			txpow40mhz_5ghz[5];
212 
213 	struct run_endpoint_queue	sc_epq[RUN_EP_QUEUES];
214 
215 	struct task                     ratectl_task;
216 	struct usb_callout              ratectl_ch;
217 	uint8_t				ratectl_run;
218 #define	RUN_RATECTL_OFF	0
219 
220 /* need to be power of 2, otherwise RUN_CMDQ_GET fails */
221 #define	RUN_CMDQ_MAX	16
222 #define	RUN_CMDQ_MASQ	(RUN_CMDQ_MAX - 1)
223 	struct run_cmdq			cmdq[RUN_CMDQ_MAX];
224 	struct task			cmdq_task;
225 	uint32_t			cmdq_store;
226 	uint8_t				cmdq_exec;
227 	uint8_t				cmdq_run;
228 	uint8_t				cmdq_key_set;
229 #define	RUN_CMDQ_ABORT	0
230 #define	RUN_CMDQ_GO	1
231 
232 	struct usb_xfer			*sc_xfer[RUN_N_XFER];
233 
234 	struct mbuf			*rx_m;
235 
236 	uint8_t				fifo_cnt;
237 
238 	uint8_t				running;
239 	uint8_t				runbmap;
240 	uint8_t				ap_running;
241 	uint8_t				adhoc_running;
242 	uint8_t				sta_running;
243 	uint8_t				rvp_cnt;
244 	uint8_t				rvp_bmap;
245 	uint8_t				sc_detached;
246 
247 	uint8_t				sc_bssid[IEEE80211_ADDR_LEN];
248 
249 	union {
250 		struct run_rx_radiotap_header th;
251 		uint8_t	pad[64];
252 	}				sc_rxtapu;
253 #define sc_rxtap	sc_rxtapu.th
254 
255 	union {
256 		struct run_tx_radiotap_header th;
257 		uint8_t	pad[64];
258 	}				sc_txtapu;
259 #define sc_txtap	sc_txtapu.th
260 };
261 
262 #define	RUN_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
263 #define	RUN_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
264 #define	RUN_LOCK_ASSERT(sc, t)	mtx_assert(&(sc)->sc_mtx, t)
265 
266 #endif	/* _IF_RUNVAR_H_ */
267