in6_pcblookup_local: Make in6_addr const
[dragonfly.git] / sys / bus / u4b / wlan / if_run.c
CommitLineData
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1/*-
2 * Copyright (c) 2008,2010 Damien Bergamini <damien.bergamini@free.fr>
3 * ported to FreeBSD by Akinori Furukoshi <moonlightakkiy@yahoo.ca>
4 * USB Consulting, Hans Petter Selasky <hselasky@freebsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 *
18 * $FreeBSD: src/sys/dev/usb/wlan/if_run.c,v 1.40 2013/03/19 02:17:34 svnexp Exp $
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19 */
20
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21/*-
22 * Ralink Technology RT2700U/RT2800U/RT3000U chipset driver.
23 * http://www.ralinktech.com/
24 */
25
26#include <sys/param.h>
27#include <sys/sockio.h>
28#include <sys/sysctl.h>
29#include <sys/lock.h>
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30#include <sys/mbuf.h>
31#include <sys/kernel.h>
32#include <sys/socket.h>
33#include <sys/systm.h>
34#include <sys/malloc.h>
35#include <sys/module.h>
36#include <sys/bus.h>
37#include <sys/endian.h>
38#include <sys/linker.h>
39#include <sys/firmware.h>
12bd3c8b 40
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41#include <sys/rman.h>
42
43#include <net/bpf.h>
44#include <net/if.h>
45#include <net/if_arp.h>
46#include <net/ethernet.h>
47#include <net/if_dl.h>
48#include <net/if_media.h>
49#include <net/if_types.h>
10f2cea7 50#include <net/ifq_var.h>
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51
52#include <netinet/in.h>
53#include <netinet/in_systm.h>
54#include <netinet/in_var.h>
55#include <netinet/if_ether.h>
56#include <netinet/ip.h>
57
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58#include <netproto/802_11/ieee80211_var.h>
59#include <netproto/802_11/ieee80211_regdomain.h>
60#include <netproto/802_11/ieee80211_radiotap.h>
61#include <netproto/802_11/ieee80211_ratectl.h>
12bd3c8b 62
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63#include <bus/u4b/usb.h>
64#include <bus/u4b/usbdi.h>
ef4aa9ff 65#include "usbdevs.h"
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66
67#define USB_DEBUG_VAR run_debug
10f2cea7 68#include <bus/u4b/usb_debug.h>
12bd3c8b 69
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70#include <bus/u4b/wlan/if_runreg.h>
71#include <bus/u4b/wlan/if_runvar.h>
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72
73#ifdef USB_DEBUG
74#define RUN_DEBUG
75#endif
76
77#ifdef RUN_DEBUG
78int run_debug = 0;
79static SYSCTL_NODE(_hw_usb, OID_AUTO, run, CTLFLAG_RW, 0, "USB run");
80SYSCTL_INT(_hw_usb_run, OID_AUTO, debug, CTLFLAG_RW, &run_debug, 0,
81 "run debug level");
82#endif
83
84#define IEEE80211_HAS_ADDR4(wh) \
85 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
86
87/*
88 * Because of LOR in run_key_delete(), use atomic instead.
89 * '& RUN_CMDQ_MASQ' is to loop cmdq[].
90 */
91#define RUN_CMDQ_GET(c) (atomic_fetchadd_32((c), 1) & RUN_CMDQ_MASQ)
92
93static const STRUCT_USB_HOST_ID run_devs[] = {
94#define RUN_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
95 RUN_DEV(ABOCOM, RT2770),
96 RUN_DEV(ABOCOM, RT2870),
97 RUN_DEV(ABOCOM, RT3070),
98 RUN_DEV(ABOCOM, RT3071),
99 RUN_DEV(ABOCOM, RT3072),
100 RUN_DEV(ABOCOM2, RT2870_1),
101 RUN_DEV(ACCTON, RT2770),
102 RUN_DEV(ACCTON, RT2870_1),
103 RUN_DEV(ACCTON, RT2870_2),
104 RUN_DEV(ACCTON, RT2870_3),
105 RUN_DEV(ACCTON, RT2870_4),
106 RUN_DEV(ACCTON, RT2870_5),
107 RUN_DEV(ACCTON, RT3070),
108 RUN_DEV(ACCTON, RT3070_1),
109 RUN_DEV(ACCTON, RT3070_2),
110 RUN_DEV(ACCTON, RT3070_3),
111 RUN_DEV(ACCTON, RT3070_4),
112 RUN_DEV(ACCTON, RT3070_5),
113 RUN_DEV(AIRTIES, RT3070),
114 RUN_DEV(ALLWIN, RT2070),
115 RUN_DEV(ALLWIN, RT2770),
116 RUN_DEV(ALLWIN, RT2870),
117 RUN_DEV(ALLWIN, RT3070),
118 RUN_DEV(ALLWIN, RT3071),
119 RUN_DEV(ALLWIN, RT3072),
120 RUN_DEV(ALLWIN, RT3572),
121 RUN_DEV(AMIGO, RT2870_1),
122 RUN_DEV(AMIGO, RT2870_2),
123 RUN_DEV(AMIT, CGWLUSB2GNR),
124 RUN_DEV(AMIT, RT2870_1),
125 RUN_DEV(AMIT2, RT2870),
126 RUN_DEV(ASUS, RT2870_1),
127 RUN_DEV(ASUS, RT2870_2),
128 RUN_DEV(ASUS, RT2870_3),
129 RUN_DEV(ASUS, RT2870_4),
130 RUN_DEV(ASUS, RT2870_5),
131 RUN_DEV(ASUS, USBN13),
132 RUN_DEV(ASUS, RT3070_1),
10f2cea7 133 RUN_DEV(ASUS, USB_N53),
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134 RUN_DEV(ASUS2, USBN11),
135 RUN_DEV(AZUREWAVE, RT2870_1),
136 RUN_DEV(AZUREWAVE, RT2870_2),
137 RUN_DEV(AZUREWAVE, RT3070_1),
138 RUN_DEV(AZUREWAVE, RT3070_2),
139 RUN_DEV(AZUREWAVE, RT3070_3),
140 RUN_DEV(BELKIN, F5D8053V3),
141 RUN_DEV(BELKIN, F5D8055),
142 RUN_DEV(BELKIN, F5D8055V2),
143 RUN_DEV(BELKIN, F6D4050V1),
144 RUN_DEV(BELKIN, RT2870_1),
145 RUN_DEV(BELKIN, RT2870_2),
146 RUN_DEV(CISCOLINKSYS, AE1000),
147 RUN_DEV(CISCOLINKSYS2, RT3070),
148 RUN_DEV(CISCOLINKSYS3, RT3070),
149 RUN_DEV(CONCEPTRONIC2, RT2870_1),
150 RUN_DEV(CONCEPTRONIC2, RT2870_2),
151 RUN_DEV(CONCEPTRONIC2, RT2870_3),
152 RUN_DEV(CONCEPTRONIC2, RT2870_4),
153 RUN_DEV(CONCEPTRONIC2, RT2870_5),
154 RUN_DEV(CONCEPTRONIC2, RT2870_6),
155 RUN_DEV(CONCEPTRONIC2, RT2870_7),
156 RUN_DEV(CONCEPTRONIC2, RT2870_8),
157 RUN_DEV(CONCEPTRONIC2, RT3070_1),
158 RUN_DEV(CONCEPTRONIC2, RT3070_2),
159 RUN_DEV(CONCEPTRONIC2, VIGORN61),
160 RUN_DEV(COREGA, CGWLUSB300GNM),
161 RUN_DEV(COREGA, RT2870_1),
162 RUN_DEV(COREGA, RT2870_2),
163 RUN_DEV(COREGA, RT2870_3),
164 RUN_DEV(COREGA, RT3070),
165 RUN_DEV(CYBERTAN, RT2870),
166 RUN_DEV(DLINK, RT2870),
167 RUN_DEV(DLINK, RT3072),
168 RUN_DEV(DLINK2, DWA130),
169 RUN_DEV(DLINK2, RT2870_1),
170 RUN_DEV(DLINK2, RT2870_2),
171 RUN_DEV(DLINK2, RT3070_1),
172 RUN_DEV(DLINK2, RT3070_2),
173 RUN_DEV(DLINK2, RT3070_3),
174 RUN_DEV(DLINK2, RT3070_4),
175 RUN_DEV(DLINK2, RT3070_5),
176 RUN_DEV(DLINK2, RT3072),
177 RUN_DEV(DLINK2, RT3072_1),
178 RUN_DEV(EDIMAX, EW7717),
179 RUN_DEV(EDIMAX, EW7718),
180 RUN_DEV(EDIMAX, RT2870_1),
181 RUN_DEV(ENCORE, RT3070_1),
182 RUN_DEV(ENCORE, RT3070_2),
183 RUN_DEV(ENCORE, RT3070_3),
184 RUN_DEV(GIGABYTE, GNWB31N),
185 RUN_DEV(GIGABYTE, GNWB32L),
186 RUN_DEV(GIGABYTE, RT2870_1),
187 RUN_DEV(GIGASET, RT3070_1),
188 RUN_DEV(GIGASET, RT3070_2),
189 RUN_DEV(GUILLEMOT, HWNU300),
190 RUN_DEV(HAWKING, HWUN2),
191 RUN_DEV(HAWKING, RT2870_1),
192 RUN_DEV(HAWKING, RT2870_2),
193 RUN_DEV(HAWKING, RT3070),
194 RUN_DEV(IODATA, RT3072_1),
195 RUN_DEV(IODATA, RT3072_2),
196 RUN_DEV(IODATA, RT3072_3),
197 RUN_DEV(IODATA, RT3072_4),
198 RUN_DEV(LINKSYS4, RT3070),
199 RUN_DEV(LINKSYS4, WUSB100),
200 RUN_DEV(LINKSYS4, WUSB54GCV3),
201 RUN_DEV(LINKSYS4, WUSB600N),
202 RUN_DEV(LINKSYS4, WUSB600NV2),
203 RUN_DEV(LOGITEC, RT2870_1),
204 RUN_DEV(LOGITEC, RT2870_2),
205 RUN_DEV(LOGITEC, RT2870_3),
206 RUN_DEV(LOGITEC, LANW300NU2),
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207 RUN_DEV(LOGITEC, LANW150NU2),
208 RUN_DEV(LOGITEC, LANW300NU2S),
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209 RUN_DEV(MELCO, RT2870_1),
210 RUN_DEV(MELCO, RT2870_2),
211 RUN_DEV(MELCO, WLIUCAG300N),
212 RUN_DEV(MELCO, WLIUCG300N),
213 RUN_DEV(MELCO, WLIUCG301N),
214 RUN_DEV(MELCO, WLIUCGN),
215 RUN_DEV(MELCO, WLIUCGNM),
10f2cea7 216 RUN_DEV(MELCO, WLIUCGNM2),
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217 RUN_DEV(MOTOROLA4, RT2770),
218 RUN_DEV(MOTOROLA4, RT3070),
219 RUN_DEV(MSI, RT3070_1),
220 RUN_DEV(MSI, RT3070_2),
221 RUN_DEV(MSI, RT3070_3),
222 RUN_DEV(MSI, RT3070_4),
223 RUN_DEV(MSI, RT3070_5),
224 RUN_DEV(MSI, RT3070_6),
225 RUN_DEV(MSI, RT3070_7),
226 RUN_DEV(MSI, RT3070_8),
227 RUN_DEV(MSI, RT3070_9),
228 RUN_DEV(MSI, RT3070_10),
229 RUN_DEV(MSI, RT3070_11),
230 RUN_DEV(OVISLINK, RT3072),
231 RUN_DEV(PARA, RT3070),
232 RUN_DEV(PEGATRON, RT2870),
233 RUN_DEV(PEGATRON, RT3070),
234 RUN_DEV(PEGATRON, RT3070_2),
235 RUN_DEV(PEGATRON, RT3070_3),
236 RUN_DEV(PHILIPS, RT2870),
237 RUN_DEV(PLANEX2, GWUS300MINIS),
238 RUN_DEV(PLANEX2, GWUSMICRON),
239 RUN_DEV(PLANEX2, RT2870),
240 RUN_DEV(PLANEX2, RT3070),
241 RUN_DEV(QCOM, RT2870),
242 RUN_DEV(QUANTA, RT3070),
243 RUN_DEV(RALINK, RT2070),
244 RUN_DEV(RALINK, RT2770),
245 RUN_DEV(RALINK, RT2870),
246 RUN_DEV(RALINK, RT3070),
247 RUN_DEV(RALINK, RT3071),
248 RUN_DEV(RALINK, RT3072),
249 RUN_DEV(RALINK, RT3370),
250 RUN_DEV(RALINK, RT3572),
251 RUN_DEV(RALINK, RT8070),
252 RUN_DEV(SAMSUNG, WIS09ABGN),
253 RUN_DEV(SAMSUNG2, RT2870_1),
254 RUN_DEV(SENAO, RT2870_1),
255 RUN_DEV(SENAO, RT2870_2),
256 RUN_DEV(SENAO, RT2870_3),
257 RUN_DEV(SENAO, RT2870_4),
258 RUN_DEV(SENAO, RT3070),
259 RUN_DEV(SENAO, RT3071),
260 RUN_DEV(SENAO, RT3072_1),
261 RUN_DEV(SENAO, RT3072_2),
262 RUN_DEV(SENAO, RT3072_3),
263 RUN_DEV(SENAO, RT3072_4),
264 RUN_DEV(SENAO, RT3072_5),
265 RUN_DEV(SITECOMEU, RT2770),
266 RUN_DEV(SITECOMEU, RT2870_1),
267 RUN_DEV(SITECOMEU, RT2870_2),
268 RUN_DEV(SITECOMEU, RT2870_3),
269 RUN_DEV(SITECOMEU, RT2870_4),
270 RUN_DEV(SITECOMEU, RT3070),
271 RUN_DEV(SITECOMEU, RT3070_2),
272 RUN_DEV(SITECOMEU, RT3070_3),
273 RUN_DEV(SITECOMEU, RT3070_4),
274 RUN_DEV(SITECOMEU, RT3071),
275 RUN_DEV(SITECOMEU, RT3072_1),
276 RUN_DEV(SITECOMEU, RT3072_2),
277 RUN_DEV(SITECOMEU, RT3072_3),
278 RUN_DEV(SITECOMEU, RT3072_4),
279 RUN_DEV(SITECOMEU, RT3072_5),
280 RUN_DEV(SITECOMEU, RT3072_6),
281 RUN_DEV(SITECOMEU, WL608),
282 RUN_DEV(SPARKLAN, RT2870_1),
283 RUN_DEV(SPARKLAN, RT3070),
284 RUN_DEV(SWEEX2, LW153),
285 RUN_DEV(SWEEX2, LW303),
286 RUN_DEV(SWEEX2, LW313),
287 RUN_DEV(TOSHIBA, RT3070),
288 RUN_DEV(UMEDIA, RT2870_1),
289 RUN_DEV(ZCOM, RT2870_1),
290 RUN_DEV(ZCOM, RT2870_2),
291 RUN_DEV(ZINWELL, RT2870_1),
292 RUN_DEV(ZINWELL, RT2870_2),
293 RUN_DEV(ZINWELL, RT3070),
294 RUN_DEV(ZINWELL, RT3072_1),
295 RUN_DEV(ZINWELL, RT3072_2),
296 RUN_DEV(ZYXEL, RT2870_1),
297 RUN_DEV(ZYXEL, RT2870_2),
298#undef RUN_DEV
299};
300
301static device_probe_t run_match;
302static device_attach_t run_attach;
303static device_detach_t run_detach;
304
305static usb_callback_t run_bulk_rx_callback;
306static usb_callback_t run_bulk_tx_callback0;
307static usb_callback_t run_bulk_tx_callback1;
308static usb_callback_t run_bulk_tx_callback2;
309static usb_callback_t run_bulk_tx_callback3;
310static usb_callback_t run_bulk_tx_callback4;
311static usb_callback_t run_bulk_tx_callback5;
312
313static void run_bulk_tx_callbackN(struct usb_xfer *xfer,
314 usb_error_t error, unsigned int index);
315static struct ieee80211vap *run_vap_create(struct ieee80211com *,
316 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
317 const uint8_t [IEEE80211_ADDR_LEN],
318 const uint8_t [IEEE80211_ADDR_LEN]);
319static void run_vap_delete(struct ieee80211vap *);
320static void run_cmdq_cb(void *, int);
321static void run_setup_tx_list(struct run_softc *,
322 struct run_endpoint_queue *);
323static void run_unsetup_tx_list(struct run_softc *,
324 struct run_endpoint_queue *);
325static int run_load_microcode(struct run_softc *);
326static int run_reset(struct run_softc *);
327static usb_error_t run_do_request(struct run_softc *,
328 struct usb_device_request *, void *);
329static int run_read(struct run_softc *, uint16_t, uint32_t *);
330static int run_read_region_1(struct run_softc *, uint16_t, uint8_t *, int);
331static int run_write_2(struct run_softc *, uint16_t, uint16_t);
332static int run_write(struct run_softc *, uint16_t, uint32_t);
333static int run_write_region_1(struct run_softc *, uint16_t,
334 const uint8_t *, int);
335static int run_set_region_4(struct run_softc *, uint16_t, uint32_t, int);
336static int run_efuse_read_2(struct run_softc *, uint16_t, uint16_t *);
337static int run_eeprom_read_2(struct run_softc *, uint16_t, uint16_t *);
338static int run_rt2870_rf_write(struct run_softc *, uint8_t, uint32_t);
339static int run_rt3070_rf_read(struct run_softc *, uint8_t, uint8_t *);
340static int run_rt3070_rf_write(struct run_softc *, uint8_t, uint8_t);
341static int run_bbp_read(struct run_softc *, uint8_t, uint8_t *);
342static int run_bbp_write(struct run_softc *, uint8_t, uint8_t);
343static int run_mcu_cmd(struct run_softc *, uint8_t, uint16_t);
344static const char *run_get_rf(int);
345static int run_read_eeprom(struct run_softc *);
346static struct ieee80211_node *run_node_alloc(struct ieee80211vap *,
347 const uint8_t mac[IEEE80211_ADDR_LEN]);
348static int run_media_change(struct ifnet *);
349static int run_newstate(struct ieee80211vap *, enum ieee80211_state, int);
350static int run_wme_update(struct ieee80211com *);
351static void run_wme_update_cb(void *);
352static void run_key_update_begin(struct ieee80211vap *);
353static void run_key_update_end(struct ieee80211vap *);
354static void run_key_set_cb(void *);
355static int run_key_set(struct ieee80211vap *, struct ieee80211_key *,
356 const uint8_t mac[IEEE80211_ADDR_LEN]);
357static void run_key_delete_cb(void *);
358static int run_key_delete(struct ieee80211vap *, struct ieee80211_key *);
359static void run_ratectl_to(void *);
360static void run_ratectl_cb(void *, int);
361static void run_drain_fifo(void *);
362static void run_iter_func(void *, struct ieee80211_node *);
363static void run_newassoc_cb(void *);
364static void run_newassoc(struct ieee80211_node *, int);
365static void run_rx_frame(struct run_softc *, struct mbuf *, uint32_t);
366static void run_tx_free(struct run_endpoint_queue *pq,
367 struct run_tx_data *, int);
368static void run_set_tx_desc(struct run_softc *, struct run_tx_data *);
369static int run_tx(struct run_softc *, struct mbuf *,
370 struct ieee80211_node *);
371static int run_tx_mgt(struct run_softc *, struct mbuf *,
372 struct ieee80211_node *);
373static int run_sendprot(struct run_softc *, const struct mbuf *,
374 struct ieee80211_node *, int, int);
375static int run_tx_param(struct run_softc *, struct mbuf *,
376 struct ieee80211_node *,
377 const struct ieee80211_bpf_params *);
378static int run_raw_xmit(struct ieee80211_node *, struct mbuf *,
379 const struct ieee80211_bpf_params *);
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380static void run_start_locked(struct ifnet *);
381static void run_start(struct ifnet *, struct ifaltq_subque *);
382static int run_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
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383static void run_set_agc(struct run_softc *, uint8_t);
384static void run_select_chan_group(struct run_softc *, int);
385static void run_set_rx_antenna(struct run_softc *, int);
386static void run_rt2870_set_chan(struct run_softc *, u_int);
387static void run_rt3070_set_chan(struct run_softc *, u_int);
388static void run_rt3572_set_chan(struct run_softc *, u_int);
389static int run_set_chan(struct run_softc *, struct ieee80211_channel *);
390static void run_set_channel(struct ieee80211com *);
391static void run_scan_start(struct ieee80211com *);
392static void run_scan_end(struct ieee80211com *);
393static void run_update_beacon(struct ieee80211vap *, int);
394static void run_update_beacon_cb(void *);
395static void run_updateprot(struct ieee80211com *);
396static void run_updateprot_cb(void *);
397static void run_usb_timeout_cb(void *);
398static void run_reset_livelock(struct run_softc *);
399static void run_enable_tsf_sync(struct run_softc *);
400static void run_enable_mrr(struct run_softc *);
401static void run_set_txpreamble(struct run_softc *);
402static void run_set_basicrates(struct run_softc *);
403static void run_set_leds(struct run_softc *, uint16_t);
404static void run_set_bssid(struct run_softc *, const uint8_t *);
405static void run_set_macaddr(struct run_softc *, const uint8_t *);
406static void run_updateslot(struct ifnet *);
407static void run_updateslot_cb(void *);
408static void run_update_mcast(struct ifnet *);
409static int8_t run_rssi2dbm(struct run_softc *, uint8_t, uint8_t);
410static void run_update_promisc_locked(struct ifnet *);
411static void run_update_promisc(struct ifnet *);
412static int run_bbp_init(struct run_softc *);
413static int run_rt3070_rf_init(struct run_softc *);
414static int run_rt3070_filter_calib(struct run_softc *, uint8_t, uint8_t,
415 uint8_t *);
416static void run_rt3070_rf_setup(struct run_softc *);
417static int run_txrx_enable(struct run_softc *);
418static void run_init(void *);
419static void run_init_locked(struct run_softc *);
420static void run_stop(void *);
421static void run_delay(struct run_softc *, unsigned int);
422
423static const struct {
424 uint16_t reg;
425 uint32_t val;
426} rt2870_def_mac[] = {
427 RT2870_DEF_MAC
428};
429
430static const struct {
431 uint8_t reg;
432 uint8_t val;
433} rt2860_def_bbp[] = {
434 RT2860_DEF_BBP
435};
436
437static const struct rfprog {
438 uint8_t chan;
439 uint32_t r1, r2, r3, r4;
440} rt2860_rf2850[] = {
441 RT2860_RF2850
442};
443
444struct {
445 uint8_t n, r, k;
446} rt3070_freqs[] = {
447 RT3070_RF3052
448};
449
450static const struct {
451 uint8_t reg;
452 uint8_t val;
453} rt3070_def_rf[] = {
454 RT3070_DEF_RF
455},rt3572_def_rf[] = {
456 RT3572_DEF_RF
457};
458
459static const struct usb_config run_config[RUN_N_XFER] = {
460 [RUN_BULK_TX_BE] = {
461 .type = UE_BULK,
462 .endpoint = UE_ADDR_ANY,
463 .ep_index = 0,
464 .direction = UE_DIR_OUT,
465 .bufsize = RUN_MAX_TXSZ,
466 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
467 .callback = run_bulk_tx_callback0,
468 .timeout = 5000, /* ms */
469 },
470 [RUN_BULK_TX_BK] = {
471 .type = UE_BULK,
472 .endpoint = UE_ADDR_ANY,
473 .direction = UE_DIR_OUT,
474 .ep_index = 1,
475 .bufsize = RUN_MAX_TXSZ,
476 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
477 .callback = run_bulk_tx_callback1,
478 .timeout = 5000, /* ms */
479 },
480 [RUN_BULK_TX_VI] = {
481 .type = UE_BULK,
482 .endpoint = UE_ADDR_ANY,
483 .direction = UE_DIR_OUT,
484 .ep_index = 2,
485 .bufsize = RUN_MAX_TXSZ,
486 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
487 .callback = run_bulk_tx_callback2,
488 .timeout = 5000, /* ms */
489 },
490 [RUN_BULK_TX_VO] = {
491 .type = UE_BULK,
492 .endpoint = UE_ADDR_ANY,
493 .direction = UE_DIR_OUT,
494 .ep_index = 3,
495 .bufsize = RUN_MAX_TXSZ,
496 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
497 .callback = run_bulk_tx_callback3,
498 .timeout = 5000, /* ms */
499 },
500 [RUN_BULK_TX_HCCA] = {
501 .type = UE_BULK,
502 .endpoint = UE_ADDR_ANY,
503 .direction = UE_DIR_OUT,
504 .ep_index = 4,
505 .bufsize = RUN_MAX_TXSZ,
506 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
507 .callback = run_bulk_tx_callback4,
508 .timeout = 5000, /* ms */
509 },
510 [RUN_BULK_TX_PRIO] = {
511 .type = UE_BULK,
512 .endpoint = UE_ADDR_ANY,
513 .direction = UE_DIR_OUT,
514 .ep_index = 5,
515 .bufsize = RUN_MAX_TXSZ,
516 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
517 .callback = run_bulk_tx_callback5,
518 .timeout = 5000, /* ms */
519 },
520 [RUN_BULK_RX] = {
521 .type = UE_BULK,
522 .endpoint = UE_ADDR_ANY,
523 .direction = UE_DIR_IN,
524 .bufsize = RUN_MAX_RXSZ,
525 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
526 .callback = run_bulk_rx_callback,
527 }
528};
529
530static int
531run_match(device_t self)
532{
533 struct usb_attach_arg *uaa = device_get_ivars(self);
534
535 if (uaa->usb_mode != USB_MODE_HOST)
536 return (ENXIO);
537 if (uaa->info.bConfigIndex != 0)
538 return (ENXIO);
539 if (uaa->info.bIfaceIndex != RT2860_IFACE_INDEX)
540 return (ENXIO);
541
542 return (usbd_lookup_id_by_uaa(run_devs, sizeof(run_devs), uaa));
543}
544
545static int
546run_attach(device_t self)
547{
548 struct run_softc *sc = device_get_softc(self);
549 struct usb_attach_arg *uaa = device_get_ivars(self);
550 struct ieee80211com *ic;
551 struct ifnet *ifp;
552 uint32_t ver;
553 int i, ntries, error;
554 uint8_t iface_index, bands;
10f2cea7
SW
555 char ethstr[ETHER_ADDRSTRLEN + 1];
556
557 wlan_serialize_enter();
12bd3c8b
SW
558
559 device_set_usb_desc(self);
560 sc->sc_udev = uaa->device;
561 sc->sc_dev = self;
562
10f2cea7
SW
563 lockinit(&sc->sc_lock, device_get_nameunit(sc->sc_dev),
564 0, LK_CANRECURSE);
12bd3c8b
SW
565
566 iface_index = RT2860_IFACE_INDEX;
567
568 error = usbd_transfer_setup(uaa->device, &iface_index,
10f2cea7 569 sc->sc_xfer, run_config, RUN_N_XFER, sc, &sc->sc_lock);
12bd3c8b
SW
570 if (error) {
571 device_printf(self, "could not allocate USB transfers, "
572 "err=%s\n", usbd_errstr(error));
573 goto detach;
574 }
575
576 RUN_LOCK(sc);
577
578 /* wait for the chip to settle */
579 for (ntries = 0; ntries < 100; ntries++) {
580 if (run_read(sc, RT2860_ASIC_VER_ID, &ver) != 0) {
581 RUN_UNLOCK(sc);
582 goto detach;
583 }
584 if (ver != 0 && ver != 0xffffffff)
585 break;
586 run_delay(sc, 10);
587 }
588 if (ntries == 100) {
589 device_printf(sc->sc_dev,
590 "timeout waiting for NIC to initialize\n");
591 RUN_UNLOCK(sc);
592 goto detach;
593 }
594 sc->mac_ver = ver >> 16;
595 sc->mac_rev = ver & 0xffff;
596
597 /* retrieve RF rev. no and various other things from EEPROM */
598 run_read_eeprom(sc);
599
600 device_printf(sc->sc_dev,
601 "MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), address %s\n",
602 sc->mac_ver, sc->mac_rev, run_get_rf(sc->rf_rev),
10f2cea7 603 sc->ntxchains, sc->nrxchains, kether_ntoa(sc->sc_bssid, ethstr));
12bd3c8b
SW
604
605 RUN_UNLOCK(sc);
606
607 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
608 if (ifp == NULL) {
609 device_printf(sc->sc_dev, "can not if_alloc()\n");
610 goto detach;
611 }
612 ic = ifp->if_l2com;
613
614 ifp->if_softc = sc;
615 if_initname(ifp, "run", device_get_unit(sc->sc_dev));
616 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
617 ifp->if_init = run_init;
618 ifp->if_ioctl = run_ioctl;
619 ifp->if_start = run_start;
10f2cea7
SW
620 ifq_set_maxlen(&ifp->if_snd, ifqmaxlen);
621#if 0 /* XXX swildner: see c3d4131842e47b168d93a0650d58d425ebeef789 */
622 ifq_set_ready(&ifp->if_snd);
623#endif
12bd3c8b
SW
624
625 ic->ic_ifp = ifp;
626 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
627 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
628
629 /* set device capabilities */
630 ic->ic_caps =
631 IEEE80211_C_STA | /* station mode supported */
632 IEEE80211_C_MONITOR | /* monitor mode supported */
633 IEEE80211_C_IBSS |
634 IEEE80211_C_HOSTAP |
635 IEEE80211_C_WDS | /* 4-address traffic works */
636 IEEE80211_C_MBSS |
637 IEEE80211_C_SHPREAMBLE | /* short preamble supported */
638 IEEE80211_C_SHSLOT | /* short slot time supported */
639 IEEE80211_C_WME | /* WME */
640 IEEE80211_C_WPA; /* WPA1|WPA2(RSN) */
641
642 ic->ic_cryptocaps =
643 IEEE80211_CRYPTO_WEP |
644 IEEE80211_CRYPTO_AES_CCM |
645 IEEE80211_CRYPTO_TKIPMIC |
646 IEEE80211_CRYPTO_TKIP;
647
648 ic->ic_flags |= IEEE80211_F_DATAPAD;
649 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
650
651 bands = 0;
652 setbit(&bands, IEEE80211_MODE_11B);
653 setbit(&bands, IEEE80211_MODE_11G);
654 ieee80211_init_channels(ic, NULL, &bands);
655
656 /*
657 * Do this by own because h/w supports
658 * more channels than ieee80211_init_channels()
659 */
660 if (sc->rf_rev == RT2860_RF_2750 ||
661 sc->rf_rev == RT2860_RF_2850 ||
662 sc->rf_rev == RT3070_RF_3052) {
663 /* set supported .11a rates */
10f2cea7 664 for (i = 14; i < NELEM(rt2860_rf2850); i++) {
12bd3c8b
SW
665 uint8_t chan = rt2860_rf2850[i].chan;
666 ic->ic_channels[ic->ic_nchans].ic_freq =
667 ieee80211_ieee2mhz(chan, IEEE80211_CHAN_A);
668 ic->ic_channels[ic->ic_nchans].ic_ieee = chan;
669 ic->ic_channels[ic->ic_nchans].ic_flags = IEEE80211_CHAN_A;
670 ic->ic_channels[ic->ic_nchans].ic_extieee = 0;
671 ic->ic_nchans++;
672 }
673 }
674
675 ieee80211_ifattach(ic, sc->sc_bssid);
676
677 ic->ic_scan_start = run_scan_start;
678 ic->ic_scan_end = run_scan_end;
679 ic->ic_set_channel = run_set_channel;
680 ic->ic_node_alloc = run_node_alloc;
681 ic->ic_newassoc = run_newassoc;
682 ic->ic_updateslot = run_updateslot;
683 ic->ic_update_mcast = run_update_mcast;
684 ic->ic_wme.wme_update = run_wme_update;
685 ic->ic_raw_xmit = run_raw_xmit;
686 ic->ic_update_promisc = run_update_promisc;
687
688 ic->ic_vap_create = run_vap_create;
689 ic->ic_vap_delete = run_vap_delete;
690
691 ieee80211_radiotap_attach(ic,
692 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
693 RUN_TX_RADIOTAP_PRESENT,
694 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
695 RUN_RX_RADIOTAP_PRESENT);
696
697 TASK_INIT(&sc->cmdq_task, 0, run_cmdq_cb, sc);
698 TASK_INIT(&sc->ratectl_task, 0, run_ratectl_cb, sc);
10f2cea7 699 usb_callout_init_mtx(&sc->ratectl_ch, &sc->sc_lock, 1);
12bd3c8b
SW
700
701 if (bootverbose)
702 ieee80211_announce(ic);
703
10f2cea7 704 wlan_serialize_exit();
12bd3c8b
SW
705 return (0);
706
707detach:
10f2cea7 708 wlan_serialize_exit();
12bd3c8b
SW
709 run_detach(self);
710 return (ENXIO);
711}
712
713static int
714run_detach(device_t self)
715{
716 struct run_softc *sc = device_get_softc(self);
717 struct ifnet *ifp = sc->sc_ifp;
718 struct ieee80211com *ic;
719 int i;
720
10f2cea7
SW
721 wlan_serialize_enter();
722 sc->sc_detached = 1;
723
12bd3c8b
SW
724 /* stop all USB transfers */
725 usbd_transfer_unsetup(sc->sc_xfer, RUN_N_XFER);
726
727 RUN_LOCK(sc);
728
729 sc->ratectl_run = RUN_RATECTL_OFF;
730 sc->cmdq_run = sc->cmdq_key_set = RUN_CMDQ_ABORT;
731
732 /* free TX list, if any */
733 for (i = 0; i != RUN_EP_QUEUES; i++)
734 run_unsetup_tx_list(sc, &sc->sc_epq[i]);
735 RUN_UNLOCK(sc);
736
737 if (ifp) {
738 ic = ifp->if_l2com;
739 /* drain tasks */
740 usb_callout_drain(&sc->ratectl_ch);
741 ieee80211_draintask(ic, &sc->cmdq_task);
742 ieee80211_draintask(ic, &sc->ratectl_task);
743 ieee80211_ifdetach(ic);
744 if_free(ifp);
745 }
746
10f2cea7 747 lockuninit(&sc->sc_lock);
12bd3c8b 748
10f2cea7 749 wlan_serialize_exit();
12bd3c8b
SW
750 return (0);
751}
752
753static struct ieee80211vap *
754run_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
755 enum ieee80211_opmode opmode, int flags,
756 const uint8_t bssid[IEEE80211_ADDR_LEN],
757 const uint8_t mac[IEEE80211_ADDR_LEN])
758{
759 struct ifnet *ifp = ic->ic_ifp;
760 struct run_softc *sc = ifp->if_softc;
761 struct run_vap *rvp;
762 struct ieee80211vap *vap;
763 int i;
764
765 if (sc->rvp_cnt >= RUN_VAP_MAX) {
766 if_printf(ifp, "number of VAPs maxed out\n");
767 return (NULL);
768 }
769
770 switch (opmode) {
771 case IEEE80211_M_STA:
772 /* enable s/w bmiss handling for sta mode */
773 flags |= IEEE80211_CLONE_NOBEACONS;
774 /* fall though */
775 case IEEE80211_M_IBSS:
776 case IEEE80211_M_MONITOR:
777 case IEEE80211_M_HOSTAP:
778 case IEEE80211_M_MBSS:
779 /* other than WDS vaps, only one at a time */
780 if (!TAILQ_EMPTY(&ic->ic_vaps))
781 return (NULL);
782 break;
783 case IEEE80211_M_WDS:
784 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next){
785 if(vap->iv_opmode != IEEE80211_M_HOSTAP)
786 continue;
787 /* WDS vap's always share the local mac address. */
788 flags &= ~IEEE80211_CLONE_BSSID;
789 break;
790 }
791 if (vap == NULL) {
792 if_printf(ifp, "wds only supported in ap mode\n");
793 return (NULL);
794 }
795 break;
796 default:
797 if_printf(ifp, "unknown opmode %d\n", opmode);
798 return (NULL);
799 }
800
10f2cea7
SW
801 rvp = (struct run_vap *) kmalloc(sizeof(struct run_vap),
802 M_80211_VAP, M_INTWAIT | M_ZERO);
12bd3c8b
SW
803 vap = &rvp->vap;
804 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
805
806 vap->iv_key_update_begin = run_key_update_begin;
807 vap->iv_key_update_end = run_key_update_end;
808 vap->iv_update_beacon = run_update_beacon;
809 vap->iv_max_aid = RT2870_WCID_MAX;
810 /*
811 * To delete the right key from h/w, we need wcid.
812 * Luckily, there is unused space in ieee80211_key{}, wk_pad,
813 * and matching wcid will be written into there. So, cast
814 * some spells to remove 'const' from ieee80211_key{}
815 */
816 vap->iv_key_delete = (void *)run_key_delete;
817 vap->iv_key_set = (void *)run_key_set;
818
819 /* override state transition machine */
820 rvp->newstate = vap->iv_newstate;
821 vap->iv_newstate = run_newstate;
822
823 ieee80211_ratectl_init(vap);
824 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
825
826 /* complete setup */
827 ieee80211_vap_attach(vap, run_media_change, ieee80211_media_status);
828
829 /* make sure id is always unique */
830 for (i = 0; i < RUN_VAP_MAX; i++) {
831 if((sc->rvp_bmap & 1 << i) == 0){
832 sc->rvp_bmap |= 1 << i;
833 rvp->rvp_id = i;
834 break;
835 }
836 }
837 if (sc->rvp_cnt++ == 0)
838 ic->ic_opmode = opmode;
839
840 if (opmode == IEEE80211_M_HOSTAP)
841 sc->cmdq_run = RUN_CMDQ_GO;
842
843 DPRINTF("rvp_id=%d bmap=%x rvp_cnt=%d\n",
844 rvp->rvp_id, sc->rvp_bmap, sc->rvp_cnt);
845
846 return (vap);
847}
848
849static void
850run_vap_delete(struct ieee80211vap *vap)
851{
852 struct run_vap *rvp = RUN_VAP(vap);
853 struct ifnet *ifp;
854 struct ieee80211com *ic;
855 struct run_softc *sc;
856 uint8_t rvp_id;
857
858 if (vap == NULL)
859 return;
860
861 ic = vap->iv_ic;
862 ifp = ic->ic_ifp;
863
864 sc = ifp->if_softc;
865
866 RUN_LOCK(sc);
867
868 m_freem(rvp->beacon_mbuf);
869 rvp->beacon_mbuf = NULL;
870
871 rvp_id = rvp->rvp_id;
872 sc->ratectl_run &= ~(1 << rvp_id);
873 sc->rvp_bmap &= ~(1 << rvp_id);
874 run_set_region_4(sc, RT2860_SKEY(rvp_id, 0), 0, 128);
875 run_set_region_4(sc, RT2860_BCN_BASE(rvp_id), 0, 512);
876 --sc->rvp_cnt;
877
878 DPRINTF("vap=%p rvp_id=%d bmap=%x rvp_cnt=%d\n",
879 vap, rvp_id, sc->rvp_bmap, sc->rvp_cnt);
880
881 RUN_UNLOCK(sc);
882
883 ieee80211_ratectl_deinit(vap);
884 ieee80211_vap_detach(vap);
10f2cea7 885 kfree(rvp, M_80211_VAP);
12bd3c8b
SW
886}
887
888/*
889 * There are numbers of functions need to be called in context thread.
890 * Rather than creating taskqueue event for each of those functions,
891 * here is all-for-one taskqueue callback function. This function
892 * gurantees deferred functions are executed in the same order they
893 * were enqueued.
894 * '& RUN_CMDQ_MASQ' is to loop cmdq[].
895 */
896static void
897run_cmdq_cb(void *arg, int pending)
898{
899 struct run_softc *sc = arg;
900 uint8_t i;
901
902 /* call cmdq[].func locked */
903 RUN_LOCK(sc);
904 for (i = sc->cmdq_exec; sc->cmdq[i].func && pending;
905 i = sc->cmdq_exec, pending--) {
906 DPRINTFN(6, "cmdq_exec=%d pending=%d\n", i, pending);
907 if (sc->cmdq_run == RUN_CMDQ_GO) {
908 /*
909 * If arg0 is NULL, callback func needs more
910 * than one arg. So, pass ptr to cmdq struct.
911 */
912 if (sc->cmdq[i].arg0)
913 sc->cmdq[i].func(sc->cmdq[i].arg0);
914 else
915 sc->cmdq[i].func(&sc->cmdq[i]);
916 }
917 sc->cmdq[i].arg0 = NULL;
918 sc->cmdq[i].func = NULL;
919 sc->cmdq_exec++;
920 sc->cmdq_exec &= RUN_CMDQ_MASQ;
921 }
922 RUN_UNLOCK(sc);
923}
924
925static void
926run_setup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq)
927{
928 struct run_tx_data *data;
929
930 memset(pq, 0, sizeof(*pq));
931
932 STAILQ_INIT(&pq->tx_qh);
933 STAILQ_INIT(&pq->tx_fh);
934
935 for (data = &pq->tx_data[0];
936 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) {
937 data->sc = sc;
938 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next);
939 }
940 pq->tx_nfree = RUN_TX_RING_COUNT;
941}
942
943static void
944run_unsetup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq)
945{
946 struct run_tx_data *data;
947
948 /* make sure any subsequent use of the queues will fail */
949 pq->tx_nfree = 0;
950 STAILQ_INIT(&pq->tx_fh);
951 STAILQ_INIT(&pq->tx_qh);
952
953 /* free up all node references and mbufs */
954 for (data = &pq->tx_data[0];
955 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) {
956 if (data->m != NULL) {
957 m_freem(data->m);
958 data->m = NULL;
959 }
960 if (data->ni != NULL) {
961 ieee80211_free_node(data->ni);
962 data->ni = NULL;
963 }
964 }
965}
966
967static int
968run_load_microcode(struct run_softc *sc)
969{
970 usb_device_request_t req;
971 const struct firmware *fw;
972 const u_char *base;
973 uint32_t tmp;
974 int ntries, error;
975 const uint64_t *temp;
976 uint64_t bytes;
10f2cea7 977 int wlan_serialized;
12bd3c8b 978
10f2cea7
SW
979 wlan_serialized = IS_SERIALIZED(&wlan_global_serializer);
980 if (wlan_serialized)
981 wlan_serialize_exit();
12bd3c8b 982 fw = firmware_get("runfw");
10f2cea7
SW
983 if (wlan_serialized)
984 wlan_serialize_enter();
12bd3c8b
SW
985 if (fw == NULL) {
986 device_printf(sc->sc_dev,
987 "failed loadfirmware of file %s\n", "runfw");
988 return ENOENT;
989 }
990
991 if (fw->datasize != 8192) {
992 device_printf(sc->sc_dev,
993 "invalid firmware size (should be 8KB)\n");
994 error = EINVAL;
995 goto fail;
996 }
997
998 /*
999 * RT3071/RT3072 use a different firmware
1000 * run-rt2870 (8KB) contains both,
1001 * first half (4KB) is for rt2870,
1002 * last half is for rt3071.
1003 */
1004 base = fw->data;
1005 if ((sc->mac_ver) != 0x2860 &&
1006 (sc->mac_ver) != 0x2872 &&
1007 (sc->mac_ver) != 0x3070) {
1008 base += 4096;
1009 }
1010
1011 /* cheap sanity check */
1012 temp = fw->data;
1013 bytes = *temp;
1014 if (bytes != be64toh(0xffffff0210280210)) {
1015 device_printf(sc->sc_dev, "firmware checksum failed\n");
1016 error = EINVAL;
1017 goto fail;
1018 }
1019
1020 run_read(sc, RT2860_ASIC_VER_ID, &tmp);
1021 /* write microcode image */
1022 run_write_region_1(sc, RT2870_FW_BASE, base, 4096);
1023 run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff);
1024 run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff);
1025
1026 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1027 req.bRequest = RT2870_RESET;
1028 USETW(req.wValue, 8);
1029 USETW(req.wIndex, 0);
1030 USETW(req.wLength, 0);
10f2cea7 1031 if ((error = usbd_do_request(sc->sc_udev, &sc->sc_lock, &req, NULL))
12bd3c8b
SW
1032 != 0) {
1033 device_printf(sc->sc_dev, "firmware reset failed\n");
1034 goto fail;
1035 }
1036
1037 run_delay(sc, 10);
1038
1039 run_write(sc, RT2860_H2M_MAILBOX, 0);
1040 if ((error = run_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0)) != 0)
1041 goto fail;
1042
1043 /* wait until microcontroller is ready */
1044 for (ntries = 0; ntries < 1000; ntries++) {
1045 if ((error = run_read(sc, RT2860_SYS_CTRL, &tmp)) != 0) {
1046 goto fail;
1047 }
1048 if (tmp & RT2860_MCU_READY)
1049 break;
1050 run_delay(sc, 10);
1051 }
1052 if (ntries == 1000) {
1053 device_printf(sc->sc_dev,
1054 "timeout waiting for MCU to initialize\n");
1055 error = ETIMEDOUT;
1056 goto fail;
1057 }
10f2cea7
SW
1058 device_printf(sc->sc_dev, "firmware %s ver. %u.%u loaded\n",
1059 (base == fw->data) ? "RT2870" : "RT3071",
1060 *(base + 4092), *(base + 4093));
12bd3c8b
SW
1061
1062fail:
1063 firmware_put(fw, FIRMWARE_UNLOAD);
1064 return (error);
1065}
1066
1067int
1068run_reset(struct run_softc *sc)
1069{
1070 usb_device_request_t req;
10f2cea7 1071 usb_error_t error;
12bd3c8b
SW
1072
1073 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1074 req.bRequest = RT2870_RESET;
1075 USETW(req.wValue, 1);
1076 USETW(req.wIndex, 0);
1077 USETW(req.wLength, 0);
10f2cea7
SW
1078 error = usbd_do_request(sc->sc_udev, &sc->sc_lock, &req, NULL);
1079 return (error);
12bd3c8b
SW
1080}
1081
1082static usb_error_t
1083run_do_request(struct run_softc *sc,
1084 struct usb_device_request *req, void *data)
1085{
1086 usb_error_t err;
1087 int ntries = 10;
1088
1089 RUN_LOCK_ASSERT(sc, MA_OWNED);
1090
1091 while (ntries--) {
10f2cea7 1092 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_lock,
12bd3c8b
SW
1093 req, data, 0, NULL, 250 /* ms */);
1094 if (err == 0)
1095 break;
1096 DPRINTFN(1, "Control request failed, %s (retrying)\n",
1097 usbd_errstr(err));
1098 run_delay(sc, 10);
1099 }
1100 return (err);
1101}
1102
1103static int
1104run_read(struct run_softc *sc, uint16_t reg, uint32_t *val)
1105{
1106 uint32_t tmp;
1107 int error;
1108
1109 error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp);
1110 if (error == 0)
1111 *val = le32toh(tmp);
1112 else
1113 *val = 0xffffffff;
1114 return (error);
1115}
1116
1117static int
1118run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len)
1119{
1120 usb_device_request_t req;
1121
1122 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1123 req.bRequest = RT2870_READ_REGION_1;
1124 USETW(req.wValue, 0);
1125 USETW(req.wIndex, reg);
1126 USETW(req.wLength, len);
1127
1128 return (run_do_request(sc, &req, buf));
1129}
1130
1131static int
1132run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val)
1133{
1134 usb_device_request_t req;
1135
1136 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1137 req.bRequest = RT2870_WRITE_2;
1138 USETW(req.wValue, val);
1139 USETW(req.wIndex, reg);
1140 USETW(req.wLength, 0);
1141
1142 return (run_do_request(sc, &req, NULL));
1143}
1144
1145static int
1146run_write(struct run_softc *sc, uint16_t reg, uint32_t val)
1147{
1148 int error;
1149
1150 if ((error = run_write_2(sc, reg, val & 0xffff)) == 0)
1151 error = run_write_2(sc, reg + 2, val >> 16);
1152 return (error);
1153}
1154
1155static int
1156run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf,
1157 int len)
1158{
1159#if 1
1160 int i, error = 0;
1161 /*
1162 * NB: the WRITE_REGION_1 command is not stable on RT2860.
1163 * We thus issue multiple WRITE_2 commands instead.
1164 */
1165 KASSERT((len & 1) == 0, ("run_write_region_1: Data too long.\n"));
1166 for (i = 0; i < len && error == 0; i += 2)
1167 error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8);
1168 return (error);
1169#else
1170 usb_device_request_t req;
1171
1172 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1173 req.bRequest = RT2870_WRITE_REGION_1;
1174 USETW(req.wValue, 0);
1175 USETW(req.wIndex, reg);
1176 USETW(req.wLength, len);
1177 return (run_do_request(sc, &req, buf));
1178#endif
1179}
1180
1181static int
1182run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int len)
1183{
1184 int i, error = 0;
1185
1186 KASSERT((len & 3) == 0, ("run_set_region_4: Invalid data length.\n"));
1187 for (i = 0; i < len && error == 0; i += 4)
1188 error = run_write(sc, reg + i, val);
1189 return (error);
1190}
1191
1192/* Read 16-bit from eFUSE ROM (RT3070 only.) */
1193static int
1194run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
1195{
1196 uint32_t tmp;
1197 uint16_t reg;
1198 int error, ntries;
1199
1200 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1201 return (error);
1202
1203 addr *= 2;
1204 /*-
1205 * Read one 16-byte block into registers EFUSE_DATA[0-3]:
1206 * DATA0: F E D C
1207 * DATA1: B A 9 8
1208 * DATA2: 7 6 5 4
1209 * DATA3: 3 2 1 0
1210 */
1211 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK);
1212 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK;
1213 run_write(sc, RT3070_EFUSE_CTRL, tmp);
1214 for (ntries = 0; ntries < 100; ntries++) {
1215 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1216 return (error);
1217 if (!(tmp & RT3070_EFSROM_KICK))
1218 break;
1219 run_delay(sc, 2);
1220 }
1221 if (ntries == 100)
1222 return (ETIMEDOUT);
1223
1224 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) {
1225 *val = 0xffff; /* address not found */
1226 return (0);
1227 }
1228 /* determine to which 32-bit register our 16-bit word belongs */
1229 reg = RT3070_EFUSE_DATA3 - (addr & 0xc);
1230 if ((error = run_read(sc, reg, &tmp)) != 0)
1231 return (error);
1232
1233 *val = (addr & 2) ? tmp >> 16 : tmp & 0xffff;
1234 return (0);
1235}
1236
1237static int
1238run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
1239{
1240 usb_device_request_t req;
1241 uint16_t tmp;
1242 int error;
1243
1244 addr *= 2;
1245 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1246 req.bRequest = RT2870_EEPROM_READ;
1247 USETW(req.wValue, 0);
1248 USETW(req.wIndex, addr);
1249 USETW(req.wLength, sizeof tmp);
1250
10f2cea7 1251 error = usbd_do_request(sc->sc_udev, &sc->sc_lock, &req, &tmp);
12bd3c8b
SW
1252 if (error == 0)
1253 *val = le16toh(tmp);
1254 else
1255 *val = 0xffff;
1256 return (error);
1257}
1258
1259static __inline int
1260run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val)
1261{
1262 /* either eFUSE ROM or EEPROM */
1263 return sc->sc_srom_read(sc, addr, val);
1264}
1265
1266static int
1267run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val)
1268{
1269 uint32_t tmp;
1270 int error, ntries;
1271
1272 for (ntries = 0; ntries < 10; ntries++) {
1273 if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0)
1274 return (error);
1275 if (!(tmp & RT2860_RF_REG_CTRL))
1276 break;
1277 }
1278 if (ntries == 10)
1279 return (ETIMEDOUT);
1280
1281 /* RF registers are 24-bit on the RT2860 */
1282 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT |
1283 (val & 0x3fffff) << 2 | (reg & 3);
1284 return (run_write(sc, RT2860_RF_CSR_CFG0, tmp));
1285}
1286
1287static int
1288run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1289{
1290 uint32_t tmp;
1291 int error, ntries;
1292
1293 for (ntries = 0; ntries < 100; ntries++) {
1294 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1295 return (error);
1296 if (!(tmp & RT3070_RF_KICK))
1297 break;
1298 }
1299 if (ntries == 100)
1300 return (ETIMEDOUT);
1301
1302 tmp = RT3070_RF_KICK | reg << 8;
1303 if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0)
1304 return (error);
1305
1306 for (ntries = 0; ntries < 100; ntries++) {
1307 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1308 return (error);
1309 if (!(tmp & RT3070_RF_KICK))
1310 break;
1311 }
1312 if (ntries == 100)
1313 return (ETIMEDOUT);
1314
1315 *val = tmp & 0xff;
1316 return (0);
1317}
1318
1319static int
1320run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1321{
1322 uint32_t tmp;
1323 int error, ntries;
1324
1325 for (ntries = 0; ntries < 10; ntries++) {
1326 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1327 return (error);
1328 if (!(tmp & RT3070_RF_KICK))
1329 break;
1330 }
1331 if (ntries == 10)
1332 return (ETIMEDOUT);
1333
1334 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val;
1335 return (run_write(sc, RT3070_RF_CSR_CFG, tmp));
1336}
1337
1338static int
1339run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1340{
1341 uint32_t tmp;
1342 int ntries, error;
1343
1344 for (ntries = 0; ntries < 10; ntries++) {
1345 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1346 return (error);
1347 if (!(tmp & RT2860_BBP_CSR_KICK))
1348 break;
1349 }
1350 if (ntries == 10)
1351 return (ETIMEDOUT);
1352
1353 tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8;
1354 if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0)
1355 return (error);
1356
1357 for (ntries = 0; ntries < 10; ntries++) {
1358 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1359 return (error);
1360 if (!(tmp & RT2860_BBP_CSR_KICK))
1361 break;
1362 }
1363 if (ntries == 10)
1364 return (ETIMEDOUT);
1365
1366 *val = tmp & 0xff;
1367 return (0);
1368}
1369
1370static int
1371run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1372{
1373 uint32_t tmp;
1374 int ntries, error;
1375
1376 for (ntries = 0; ntries < 10; ntries++) {
1377 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1378 return (error);
1379 if (!(tmp & RT2860_BBP_CSR_KICK))
1380 break;
1381 }
1382 if (ntries == 10)
1383 return (ETIMEDOUT);
1384
1385 tmp = RT2860_BBP_CSR_KICK | reg << 8 | val;
1386 return (run_write(sc, RT2860_BBP_CSR_CFG, tmp));
1387}
1388
1389/*
1390 * Send a command to the 8051 microcontroller unit.
1391 */
1392static int
1393run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg)
1394{
1395 uint32_t tmp;
1396 int error, ntries;
1397
1398 for (ntries = 0; ntries < 100; ntries++) {
1399 if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0)
1400 return error;
1401 if (!(tmp & RT2860_H2M_BUSY))
1402 break;
1403 }
1404 if (ntries == 100)
1405 return ETIMEDOUT;
1406
1407 tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg;
1408 if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0)
1409 error = run_write(sc, RT2860_HOST_CMD, cmd);
1410 return (error);
1411}
1412
1413/*
1414 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word.
1415 * Used to adjust per-rate Tx power registers.
1416 */
1417static __inline uint32_t
1418b4inc(uint32_t b32, int8_t delta)
1419{
1420 int8_t i, b4;
1421
1422 for (i = 0; i < 8; i++) {
1423 b4 = b32 & 0xf;
1424 b4 += delta;
1425 if (b4 < 0)
1426 b4 = 0;
1427 else if (b4 > 0xf)
1428 b4 = 0xf;
1429 b32 = b32 >> 4 | b4 << 28;
1430 }
1431 return (b32);
1432}
1433
1434static const char *
1435run_get_rf(int rev)
1436{
1437 switch (rev) {
1438 case RT2860_RF_2820: return "RT2820";
1439 case RT2860_RF_2850: return "RT2850";
1440 case RT2860_RF_2720: return "RT2720";
1441 case RT2860_RF_2750: return "RT2750";
1442 case RT3070_RF_3020: return "RT3020";
1443 case RT3070_RF_2020: return "RT2020";
1444 case RT3070_RF_3021: return "RT3021";
1445 case RT3070_RF_3022: return "RT3022";
1446 case RT3070_RF_3052: return "RT3052";
1447 }
1448 return ("unknown");
1449}
1450
1451int
1452run_read_eeprom(struct run_softc *sc)
1453{
1454 int8_t delta_2ghz, delta_5ghz;
1455 uint32_t tmp;
1456 uint16_t val;
1457 int ridx, ant, i;
1458
1459 /* check whether the ROM is eFUSE ROM or EEPROM */
1460 sc->sc_srom_read = run_eeprom_read_2;
1461 if (sc->mac_ver >= 0x3070) {
1462 run_read(sc, RT3070_EFUSE_CTRL, &tmp);
1463 DPRINTF("EFUSE_CTRL=0x%08x\n", tmp);
1464 if (tmp & RT3070_SEL_EFUSE)
1465 sc->sc_srom_read = run_efuse_read_2;
1466 }
1467
1468 /* read ROM version */
1469 run_srom_read(sc, RT2860_EEPROM_VERSION, &val);
1470 DPRINTF("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8);
1471
1472 /* read MAC address */
1473 run_srom_read(sc, RT2860_EEPROM_MAC01, &val);
1474 sc->sc_bssid[0] = val & 0xff;
1475 sc->sc_bssid[1] = val >> 8;
1476 run_srom_read(sc, RT2860_EEPROM_MAC23, &val);
1477 sc->sc_bssid[2] = val & 0xff;
1478 sc->sc_bssid[3] = val >> 8;
1479 run_srom_read(sc, RT2860_EEPROM_MAC45, &val);
1480 sc->sc_bssid[4] = val & 0xff;
1481 sc->sc_bssid[5] = val >> 8;
1482
1483 /* read vender BBP settings */
1484 for (i = 0; i < 10; i++) {
1485 run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val);
1486 sc->bbp[i].val = val & 0xff;
1487 sc->bbp[i].reg = val >> 8;
1488 DPRINTF("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val);
1489 }
1490 if (sc->mac_ver >= 0x3071) {
1491 /* read vendor RF settings */
1492 for (i = 0; i < 10; i++) {
1493 run_srom_read(sc, RT3071_EEPROM_RF_BASE + i, &val);
1494 sc->rf[i].val = val & 0xff;
1495 sc->rf[i].reg = val >> 8;
1496 DPRINTF("RF%d=0x%02x\n", sc->rf[i].reg,
1497 sc->rf[i].val);
1498 }
1499 }
1500
1501 /* read RF frequency offset from EEPROM */
1502 run_srom_read(sc, RT2860_EEPROM_FREQ_LEDS, &val);
1503 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0;
1504 DPRINTF("EEPROM freq offset %d\n", sc->freq & 0xff);
1505
1506 if (val >> 8 != 0xff) {
1507 /* read LEDs operating mode */
1508 sc->leds = val >> 8;
1509 run_srom_read(sc, RT2860_EEPROM_LED1, &sc->led[0]);
1510 run_srom_read(sc, RT2860_EEPROM_LED2, &sc->led[1]);
1511 run_srom_read(sc, RT2860_EEPROM_LED3, &sc->led[2]);
1512 } else {
1513 /* broken EEPROM, use default settings */
1514 sc->leds = 0x01;
1515 sc->led[0] = 0x5555;
1516 sc->led[1] = 0x2221;
1517 sc->led[2] = 0x5627; /* differs from RT2860 */
1518 }
1519 DPRINTF("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n",
1520 sc->leds, sc->led[0], sc->led[1], sc->led[2]);
1521
1522 /* read RF information */
1523 run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val);
1524 if (val == 0xffff) {
1525 DPRINTF("invalid EEPROM antenna info, using default\n");
1526 if (sc->mac_ver == 0x3572) {
1527 /* default to RF3052 2T2R */
1528 sc->rf_rev = RT3070_RF_3052;
1529 sc->ntxchains = 2;
1530 sc->nrxchains = 2;
1531 } else if (sc->mac_ver >= 0x3070) {
1532 /* default to RF3020 1T1R */
1533 sc->rf_rev = RT3070_RF_3020;
1534 sc->ntxchains = 1;
1535 sc->nrxchains = 1;
1536 } else {
1537 /* default to RF2820 1T2R */
1538 sc->rf_rev = RT2860_RF_2820;
1539 sc->ntxchains = 1;
1540 sc->nrxchains = 2;
1541 }
1542 } else {
1543 sc->rf_rev = (val >> 8) & 0xf;
1544 sc->ntxchains = (val >> 4) & 0xf;
1545 sc->nrxchains = val & 0xf;
1546 }
1547 DPRINTF("EEPROM RF rev=0x%02x chains=%dT%dR\n",
1548 sc->rf_rev, sc->ntxchains, sc->nrxchains);
1549
1550 /* check if RF supports automatic Tx access gain control */
1551 run_srom_read(sc, RT2860_EEPROM_CONFIG, &val);
1552 DPRINTF("EEPROM CFG 0x%04x\n", val);
1553 /* check if driver should patch the DAC issue */
1554 if ((val >> 8) != 0xff)
1555 sc->patch_dac = (val >> 15) & 1;
1556 if ((val & 0xff) != 0xff) {
1557 sc->ext_5ghz_lna = (val >> 3) & 1;
1558 sc->ext_2ghz_lna = (val >> 2) & 1;
1559 /* check if RF supports automatic Tx access gain control */
1560 sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1;
1561 /* check if we have a hardware radio switch */
1562 sc->rfswitch = val & 1;
1563 }
1564
1565 /* read power settings for 2GHz channels */
1566 for (i = 0; i < 14; i += 2) {
1567 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val);
1568 sc->txpow1[i + 0] = (int8_t)(val & 0xff);
1569 sc->txpow1[i + 1] = (int8_t)(val >> 8);
1570
1571 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val);
1572 sc->txpow2[i + 0] = (int8_t)(val & 0xff);
1573 sc->txpow2[i + 1] = (int8_t)(val >> 8);
1574 }
1575 /* fix broken Tx power entries */
1576 for (i = 0; i < 14; i++) {
1577 if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31)
1578 sc->txpow1[i] = 5;
1579 if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31)
1580 sc->txpow2[i] = 5;
1581 DPRINTF("chan %d: power1=%d, power2=%d\n",
1582 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]);
1583 }
1584 /* read power settings for 5GHz channels */
1585 for (i = 0; i < 40; i += 2) {
1586 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val);
1587 sc->txpow1[i + 14] = (int8_t)(val & 0xff);
1588 sc->txpow1[i + 15] = (int8_t)(val >> 8);
1589
1590 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val);
1591 sc->txpow2[i + 14] = (int8_t)(val & 0xff);
1592 sc->txpow2[i + 15] = (int8_t)(val >> 8);
1593 }
1594 /* fix broken Tx power entries */
1595 for (i = 0; i < 40; i++) {
1596 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15)
1597 sc->txpow1[14 + i] = 5;
1598 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15)
1599 sc->txpow2[14 + i] = 5;
1600 DPRINTF("chan %d: power1=%d, power2=%d\n",
1601 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i],
1602 sc->txpow2[14 + i]);
1603 }
1604
1605 /* read Tx power compensation for each Tx rate */
1606 run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val);
1607 delta_2ghz = delta_5ghz = 0;
1608 if ((val & 0xff) != 0xff && (val & 0x80)) {
1609 delta_2ghz = val & 0xf;
1610 if (!(val & 0x40)) /* negative number */
1611 delta_2ghz = -delta_2ghz;
1612 }
1613 val >>= 8;
1614 if ((val & 0xff) != 0xff && (val & 0x80)) {
1615 delta_5ghz = val & 0xf;
1616 if (!(val & 0x40)) /* negative number */
1617 delta_5ghz = -delta_5ghz;
1618 }
1619 DPRINTF("power compensation=%d (2GHz), %d (5GHz)\n",
1620 delta_2ghz, delta_5ghz);
1621
1622 for (ridx = 0; ridx < 5; ridx++) {
1623 uint32_t reg;
1624
1625 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2, &val);
1626 reg = val;
1627 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1, &val);
1628 reg |= (uint32_t)val << 16;
1629
1630 sc->txpow20mhz[ridx] = reg;
1631 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz);
1632 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz);
1633
1634 DPRINTF("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, "
1635 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx],
1636 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]);
1637 }
1638
1639 /* read RSSI offsets and LNA gains from EEPROM */
1640 run_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ, &val);
1641 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */
1642 sc->rssi_2ghz[1] = val >> 8; /* Ant B */
1643 run_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ, &val);
1644 if (sc->mac_ver >= 0x3070) {
1645 /*
1646 * On RT3070 chips (limited to 2 Rx chains), this ROM
1647 * field contains the Tx mixer gain for the 2GHz band.
1648 */
1649 if ((val & 0xff) != 0xff)
1650 sc->txmixgain_2ghz = val & 0x7;
1651 DPRINTF("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz);
1652 } else
1653 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */
1654 sc->lna[2] = val >> 8; /* channel group 2 */
1655
1656 run_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ, &val);
1657 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */
1658 sc->rssi_5ghz[1] = val >> 8; /* Ant B */
1659 run_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ, &val);
1660 if (sc->mac_ver == 0x3572) {
1661 /*
1662 * On RT3572 chips (limited to 2 Rx chains), this ROM
1663 * field contains the Tx mixer gain for the 5GHz band.
1664 */
1665 if ((val & 0xff) != 0xff)
1666 sc->txmixgain_5ghz = val & 0x7;
1667 DPRINTF("tx mixer gain=%u (5GHz)\n", sc->txmixgain_5ghz);
1668 } else
1669 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */
1670 sc->lna[3] = val >> 8; /* channel group 3 */
1671
1672 run_srom_read(sc, RT2860_EEPROM_LNA, &val);
1673 sc->lna[0] = val & 0xff; /* channel group 0 */
1674 sc->lna[1] = val >> 8; /* channel group 1 */
1675
1676 /* fix broken 5GHz LNA entries */
1677 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) {
1678 DPRINTF("invalid LNA for channel group %d\n", 2);
1679 sc->lna[2] = sc->lna[1];
1680 }
1681 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) {
1682 DPRINTF("invalid LNA for channel group %d\n", 3);
1683 sc->lna[3] = sc->lna[1];
1684 }
1685
1686 /* fix broken RSSI offset entries */
1687 for (ant = 0; ant < 3; ant++) {
1688 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) {
1689 DPRINTF("invalid RSSI%d offset: %d (2GHz)\n",
1690 ant + 1, sc->rssi_2ghz[ant]);
1691 sc->rssi_2ghz[ant] = 0;
1692 }
1693 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) {
1694 DPRINTF("invalid RSSI%d offset: %d (5GHz)\n",
1695 ant + 1, sc->rssi_5ghz[ant]);
1696 sc->rssi_5ghz[ant] = 0;
1697 }
1698 }
1699 return (0);
1700}
1701
1702static struct ieee80211_node *
1703run_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
1704{
10f2cea7 1705 return kmalloc(sizeof (struct run_node), M_DEVBUF, M_WAITOK | M_ZERO);
12bd3c8b
SW
1706}
1707
1708static int
1709run_media_change(struct ifnet *ifp)
1710{
1711 struct ieee80211vap *vap = ifp->if_softc;
1712 struct ieee80211com *ic = vap->iv_ic;
1713 const struct ieee80211_txparam *tp;
1714 struct run_softc *sc = ic->ic_ifp->if_softc;
1715 uint8_t rate, ridx;
1716 int error;
1717
1718 RUN_LOCK(sc);
1719
1720 error = ieee80211_media_change(ifp);
1721 if (error != ENETRESET) {
1722 RUN_UNLOCK(sc);
1723 return (error);
1724 }
1725
1726 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1727 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
1728 struct ieee80211_node *ni;
1729 struct run_node *rn;
1730
1731 rate = ic->ic_sup_rates[ic->ic_curmode].
1732 rs_rates[tp->ucastrate] & IEEE80211_RATE_VAL;
1733 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
1734 if (rt2860_rates[ridx].rate == rate)
1735 break;
1736 ni = ieee80211_ref_node(vap->iv_bss);
1737 rn = (struct run_node *)ni;
1738 rn->fix_ridx = ridx;
1739 DPRINTF("rate=%d, fix_ridx=%d\n", rate, rn->fix_ridx);
1740 ieee80211_free_node(ni);
1741 }
1742
1743#if 0
1744 if ((ifp->if_flags & IFF_UP) &&
10f2cea7 1745 (ifp->if_flags & IFF_RUNNING)){
12bd3c8b
SW
1746 run_init_locked(sc);
1747 }
1748#endif
1749
1750 RUN_UNLOCK(sc);
1751
1752 return (0);
1753}
1754
1755static int
1756run_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
1757{
1758 const struct ieee80211_txparam *tp;
1759 struct ieee80211com *ic = vap->iv_ic;
1760 struct run_softc *sc = ic->ic_ifp->if_softc;
1761 struct run_vap *rvp = RUN_VAP(vap);
1762 enum ieee80211_state ostate;
1763 uint32_t sta[3];
1764 uint32_t tmp;
1765 uint8_t ratectl;
1766 uint8_t restart_ratectl = 0;
1767 uint8_t bid = 1 << rvp->rvp_id;
1768
1769 ostate = vap->iv_state;
1770 DPRINTF("%s -> %s\n",
1771 ieee80211_state_name[ostate],
1772 ieee80211_state_name[nstate]);
1773
12bd3c8b
SW
1774 RUN_LOCK(sc);
1775
1776 ratectl = sc->ratectl_run; /* remember current state */
1777 sc->ratectl_run = RUN_RATECTL_OFF;
1778 usb_callout_stop(&sc->ratectl_ch);
1779
1780 if (ostate == IEEE80211_S_RUN) {
1781 /* turn link LED off */
1782 run_set_leds(sc, RT2860_LED_RADIO);
1783 }
1784
1785 switch (nstate) {
1786 case IEEE80211_S_INIT:
1787 restart_ratectl = 1;
1788
1789 if (ostate != IEEE80211_S_RUN)
1790 break;
1791
1792 ratectl &= ~bid;
1793 sc->runbmap &= ~bid;
1794
1795 /* abort TSF synchronization if there is no vap running */
1796 if (--sc->running == 0) {
1797 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
1798 run_write(sc, RT2860_BCN_TIME_CFG,
1799 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
1800 RT2860_TBTT_TIMER_EN));
1801 }
1802 break;
1803
1804 case IEEE80211_S_RUN:
1805 if (!(sc->runbmap & bid)) {
1806 if(sc->running++)
1807 restart_ratectl = 1;
1808 sc->runbmap |= bid;
1809 }
1810
1811 m_freem(rvp->beacon_mbuf);
1812 rvp->beacon_mbuf = NULL;
1813
1814 switch (vap->iv_opmode) {
1815 case IEEE80211_M_HOSTAP:
1816 case IEEE80211_M_MBSS:
1817 sc->ap_running |= bid;
1818 ic->ic_opmode = vap->iv_opmode;
1819 run_update_beacon_cb(vap);
1820 break;
1821 case IEEE80211_M_IBSS:
1822 sc->adhoc_running |= bid;
1823 if (!sc->ap_running)
1824 ic->ic_opmode = vap->iv_opmode;
1825 run_update_beacon_cb(vap);
1826 break;
1827 case IEEE80211_M_STA:
1828 sc->sta_running |= bid;
1829 if (!sc->ap_running && !sc->adhoc_running)
1830 ic->ic_opmode = vap->iv_opmode;
1831
1832 /* read statistic counters (clear on read) */
1833 run_read_region_1(sc, RT2860_TX_STA_CNT0,
1834 (uint8_t *)sta, sizeof sta);
1835
1836 break;
1837 default:
1838 ic->ic_opmode = vap->iv_opmode;
1839 break;
1840 }
1841
1842 if (vap->iv_opmode != IEEE80211_M_MONITOR) {
1843 struct ieee80211_node *ni;
1844
10f2cea7
SW
1845 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC)
1846 return (-1);
12bd3c8b
SW
1847 run_updateslot(ic->ic_ifp);
1848 run_enable_mrr(sc);
1849 run_set_txpreamble(sc);
1850 run_set_basicrates(sc);
1851 ni = ieee80211_ref_node(vap->iv_bss);
1852 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
1853 run_set_bssid(sc, ni->ni_bssid);
1854 ieee80211_free_node(ni);
1855 run_enable_tsf_sync(sc);
1856
1857 /* enable automatic rate adaptation */
1858 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1859 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
1860 ratectl |= bid;
1861 }
1862
1863 /* turn link LED on */
1864 run_set_leds(sc, RT2860_LED_RADIO |
1865 (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan) ?
1866 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ));
1867
1868 break;
1869 default:
1870 DPRINTFN(6, "undefined case\n");
1871 break;
1872 }
1873
1874 /* restart amrr for running VAPs */
1875 if ((sc->ratectl_run = ratectl) && restart_ratectl)
1876 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc);
1877
1878 RUN_UNLOCK(sc);
12bd3c8b
SW
1879
1880 return(rvp->newstate(vap, nstate, arg));
1881}
1882
1883/* ARGSUSED */
1884static void
1885run_wme_update_cb(void *arg)
1886{
1887 struct ieee80211com *ic = arg;
1888 struct run_softc *sc = ic->ic_ifp->if_softc;
1889 struct ieee80211_wme_state *wmesp = &ic->ic_wme;
1890 int aci, error = 0;
1891
1892 RUN_LOCK_ASSERT(sc, MA_OWNED);
1893
1894 /* update MAC TX configuration registers */
1895 for (aci = 0; aci < WME_NUM_AC; aci++) {
1896 error = run_write(sc, RT2860_EDCA_AC_CFG(aci),
1897 wmesp->wme_params[aci].wmep_logcwmax << 16 |
1898 wmesp->wme_params[aci].wmep_logcwmin << 12 |
1899 wmesp->wme_params[aci].wmep_aifsn << 8 |
1900 wmesp->wme_params[aci].wmep_txopLimit);
1901 if (error) goto err;
1902 }
1903
1904 /* update SCH/DMA registers too */
1905 error = run_write(sc, RT2860_WMM_AIFSN_CFG,
1906 wmesp->wme_params[WME_AC_VO].wmep_aifsn << 12 |
1907 wmesp->wme_params[WME_AC_VI].wmep_aifsn << 8 |
1908 wmesp->wme_params[WME_AC_BK].wmep_aifsn << 4 |
1909 wmesp->wme_params[WME_AC_BE].wmep_aifsn);
1910 if (error) goto err;
1911 error = run_write(sc, RT2860_WMM_CWMIN_CFG,
1912 wmesp->wme_params[WME_AC_VO].wmep_logcwmin << 12 |
1913 wmesp->wme_params[WME_AC_VI].wmep_logcwmin << 8 |
1914 wmesp->wme_params[WME_AC_BK].wmep_logcwmin << 4 |
1915 wmesp->wme_params[WME_AC_BE].wmep_logcwmin);
1916 if (error) goto err;
1917 error = run_write(sc, RT2860_WMM_CWMAX_CFG,
1918 wmesp->wme_params[WME_AC_VO].wmep_logcwmax << 12 |
1919 wmesp->wme_params[WME_AC_VI].wmep_logcwmax << 8 |
1920 wmesp->wme_params[WME_AC_BK].wmep_logcwmax << 4 |
1921 wmesp->wme_params[WME_AC_BE].wmep_logcwmax);
1922 if (error) goto err;
1923 error = run_write(sc, RT2860_WMM_TXOP0_CFG,
1924 wmesp->wme_params[WME_AC_BK].wmep_txopLimit << 16 |
1925 wmesp->wme_params[WME_AC_BE].wmep_txopLimit);
1926 if (error) goto err;
1927 error = run_write(sc, RT2860_WMM_TXOP1_CFG,
1928 wmesp->wme_params[WME_AC_VO].wmep_txopLimit << 16 |
1929 wmesp->wme_params[WME_AC_VI].wmep_txopLimit);
1930
1931err:
1932 if (error)
1933 DPRINTF("WME update failed\n");
1934
1935 return;
1936}
1937
1938static int
1939run_wme_update(struct ieee80211com *ic)
1940{
1941 struct run_softc *sc = ic->ic_ifp->if_softc;
1942
10f2cea7
SW
1943#if 0 /* XXX swildner */
1944 /* sometime called without lock */
12bd3c8b
SW
1945 if (mtx_owned(&ic->ic_comlock.mtx)) {
1946 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store);
1947 DPRINTF("cmdq_store=%d\n", i);
1948 sc->cmdq[i].func = run_wme_update_cb;
1949 sc->cmdq[i].arg0 = ic;
1950 ieee80211_runtask(ic, &sc->cmdq_task);
1951 return (0);
1952 }
10f2cea7 1953#endif
12bd3c8b
SW
1954
1955 RUN_LOCK(sc);
1956 run_wme_update_cb(ic);
1957 RUN_UNLOCK(sc);
1958
1959 /* return whatever, upper layer desn't care anyway */
1960 return (0);
1961}
1962
1963static void
1964run_key_update_begin(struct ieee80211vap *vap)
1965{
1966 /*
1967 * To avoid out-of-order events, both run_key_set() and
1968 * _delete() are deferred and handled by run_cmdq_cb().
1969 * So, there is nothing we need to do here.
1970 */
1971}
1972
1973static void
1974run_key_update_end(struct ieee80211vap *vap)
1975{
1976 /* null */
1977}
1978
1979static void
1980run_key_set_cb(void *arg)
1981{
1982 struct run_cmdq *cmdq = arg;
1983 struct ieee80211vap *vap = cmdq->arg1;
1984 struct ieee80211_key *k = cmdq->k;
1985 struct ieee80211com *ic = vap->iv_ic;
1986 struct run_softc *sc = ic->ic_ifp->if_softc;
1987 struct ieee80211_node *ni;
1988 uint32_t attr;
1989 uint16_t base, associd;
1990 uint8_t mode, wcid, iv[8];
1991
1992 RUN_LOCK_ASSERT(sc, MA_OWNED);
1993
1994 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1995 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, cmdq->mac);
1996 else
1997 ni = vap->iv_bss;
1998 associd = (ni != NULL) ? ni->ni_associd : 0;
1999
2000 /* map net80211 cipher to RT2860 security mode */
2001 switch (k->wk_cipher->ic_cipher) {
2002 case IEEE80211_CIPHER_WEP:
2003 if(k->wk_keylen < 8)
2004 mode = RT2860_MODE_WEP40;
2005 else
2006 mode = RT2860_MODE_WEP104;
2007 break;
2008 case IEEE80211_CIPHER_TKIP:
2009 mode = RT2860_MODE_TKIP;
2010 break;
2011 case IEEE80211_CIPHER_AES_CCM:
2012 mode = RT2860_MODE_AES_CCMP;
2013 break;
2014 default:
2015 DPRINTF("undefined case\n");
2016 return;
2017 }
2018
2019 DPRINTFN(1, "associd=%x, keyix=%d, mode=%x, type=%s, tx=%s, rx=%s\n",
2020 associd, k->wk_keyix, mode,
2021 (k->wk_flags & IEEE80211_KEY_GROUP) ? "group" : "pairwise",
2022 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off",
2023 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off");
2024
2025 if (k->wk_flags & IEEE80211_KEY_GROUP) {
2026 wcid = 0; /* NB: update WCID0 for group keys */
2027 base = RT2860_SKEY(RUN_VAP(vap)->rvp_id, k->wk_keyix);
2028 } else {
10f2cea7
SW
2029 wcid = (vap->iv_opmode == IEEE80211_M_STA) ?
2030 1 : RUN_AID2WCID(associd);
12bd3c8b
SW
2031 base = RT2860_PKEY(wcid);
2032 }
2033
2034 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
2035 if(run_write_region_1(sc, base, k->wk_key, 16))
2036 return;
2037 if(run_write_region_1(sc, base + 16, &k->wk_key[16], 8)) /* wk_txmic */
2038 return;
2039 if(run_write_region_1(sc, base + 24, &k->wk_key[24], 8)) /* wk_rxmic */
2040 return;
2041 } else {
2042 /* roundup len to 16-bit: XXX fix write_region_1() instead */
2043 if(run_write_region_1(sc, base, k->wk_key, (k->wk_keylen + 1) & ~1))
2044 return;
2045 }
2046
2047 if (!(k->wk_flags & IEEE80211_KEY_GROUP) ||
2048 (k->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))) {
2049 /* set initial packet number in IV+EIV */
2050 if (k->wk_cipher == IEEE80211_CIPHER_WEP) {
2051 memset(iv, 0, sizeof iv);
2052 iv[3] = vap->iv_def_txkey << 6;
2053 } else {
2054 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
2055 iv[0] = k->wk_keytsc >> 8;
2056 iv[1] = (iv[0] | 0x20) & 0x7f;
2057 iv[2] = k->wk_keytsc;
2058 } else /* CCMP */ {
2059 iv[0] = k->wk_keytsc;
2060 iv[1] = k->wk_keytsc >> 8;
2061 iv[2] = 0;
2062 }
2063 iv[3] = k->wk_keyix << 6 | IEEE80211_WEP_EXTIV;
2064 iv[4] = k->wk_keytsc >> 16;
2065 iv[5] = k->wk_keytsc >> 24;
2066 iv[6] = k->wk_keytsc >> 32;
2067 iv[7] = k->wk_keytsc >> 40;
2068 }
2069 if (run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8))
2070 return;
2071 }
2072
2073 if (k->wk_flags & IEEE80211_KEY_GROUP) {
2074 /* install group key */
2075 if (run_read(sc, RT2860_SKEY_MODE_0_7, &attr))
2076 return;
2077 attr &= ~(0xf << (k->wk_keyix * 4));
2078 attr |= mode << (k->wk_keyix * 4);
2079 if (run_write(sc, RT2860_SKEY_MODE_0_7, attr))
2080 return;
2081 } else {
2082 /* install pairwise key */
2083 if (run_read(sc, RT2860_WCID_ATTR(wcid), &attr))
2084 return;
2085 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN;
2086 if (run_write(sc, RT2860_WCID_ATTR(wcid), attr))
2087 return;
2088 }
2089
2090 /* TODO create a pass-thru key entry? */
2091
2092 /* need wcid to delete the right key later */
2093 k->wk_pad = wcid;
2094}
2095
2096/*
2097 * Don't have to be deferred, but in order to keep order of
2098 * execution, i.e. with run_key_delete(), defer this and let
2099 * run_cmdq_cb() maintain the order.
2100 *
2101 * return 0 on error
2102 */
2103static int
2104run_key_set(struct ieee80211vap *vap, struct ieee80211_key *k,
2105 const uint8_t mac[IEEE80211_ADDR_LEN])
2106{
2107 struct ieee80211com *ic = vap->iv_ic;
2108 struct run_softc *sc = ic->ic_ifp->if_softc;
2109 uint32_t i;
2110
2111 i = RUN_CMDQ_GET(&sc->cmdq_store);
2112 DPRINTF("cmdq_store=%d\n", i);
2113 sc->cmdq[i].func = run_key_set_cb;
2114 sc->cmdq[i].arg0 = NULL;
2115 sc->cmdq[i].arg1 = vap;
2116 sc->cmdq[i].k = k;
2117 IEEE80211_ADDR_COPY(sc->cmdq[i].mac, mac);
2118 ieee80211_runtask(ic, &sc->cmdq_task);
2119
2120 /*
2121 * To make sure key will be set when hostapd
2122 * calls iv_key_set() before if_init().
2123 */
2124 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
2125 RUN_LOCK(sc);
2126 sc->cmdq_key_set = RUN_CMDQ_GO;
2127 RUN_UNLOCK(sc);
2128 }
2129
2130 return (1);
2131}
2132
2133/*
2134 * If wlan is destroyed without being brought down i.e. without
2135 * wlan down or wpa_cli terminate, this function is called after
2136 * vap is gone. Don't refer it.
2137 */
2138static void
2139run_key_delete_cb(void *arg)
2140{
2141 struct run_cmdq *cmdq = arg;
2142 struct run_softc *sc = cmdq->arg1;
2143 struct ieee80211_key *k = &cmdq->key;
2144 uint32_t attr;
2145 uint8_t wcid;
2146
2147 RUN_LOCK_ASSERT(sc, MA_OWNED);
2148
2149 if (k->wk_flags & IEEE80211_KEY_GROUP) {
2150 /* remove group key */
2151 DPRINTF("removing group key\n");
2152 run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
2153 attr &= ~(0xf << (k->wk_keyix * 4));
2154 run_write(sc, RT2860_SKEY_MODE_0_7, attr);
2155 } else {
2156 /* remove pairwise key */
2157 DPRINTF("removing key for wcid %x\n", k->wk_pad);
2158 /* matching wcid was written to wk_pad in run_key_set() */
2159 wcid = k->wk_pad;
2160 run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
2161 attr &= ~0xf;
2162 run_write(sc, RT2860_WCID_ATTR(wcid), attr);
2163 run_set_region_4(sc, RT2860_WCID_ENTRY(wcid), 0, 8);
2164 }
2165
2166 k->wk_pad = 0;
2167}
2168
2169/*
2170 * return 0 on error
2171 */
2172static int
2173run_key_delete(struct ieee80211vap *vap, struct ieee80211_key *k)
2174{
2175 struct ieee80211com *ic = vap->iv_ic;
2176 struct run_softc *sc = ic->ic_ifp->if_softc;
2177 struct ieee80211_key *k0;
2178 uint32_t i;
2179
2180 /*
2181 * When called back, key might be gone. So, make a copy
2182 * of some values need to delete keys before deferring.
2183 * But, because of LOR with node lock, cannot use lock here.
2184 * So, use atomic instead.
2185 */
2186 i = RUN_CMDQ_GET(&sc->cmdq_store);
2187 DPRINTF("cmdq_store=%d\n", i);
2188 sc->cmdq[i].func = run_key_delete_cb;
2189 sc->cmdq[i].arg0 = NULL;
2190 sc->cmdq[i].arg1 = sc;
2191 k0 = &sc->cmdq[i].key;
2192 k0->wk_flags = k->wk_flags;
2193 k0->wk_keyix = k->wk_keyix;
2194 /* matching wcid was written to wk_pad in run_key_set() */
2195 k0->wk_pad = k->wk_pad;
2196 ieee80211_runtask(ic, &sc->cmdq_task);
2197 return (1); /* return fake success */
2198
2199}
2200
2201static void
2202run_ratectl_to(void *arg)
2203{
2204 struct run_softc *sc = arg;
2205
2206 /* do it in a process context, so it can go sleep */
2207 ieee80211_runtask(sc->sc_ifp->if_l2com, &sc->ratectl_task);
2208 /* next timeout will be rescheduled in the callback task */
2209}
2210
2211/* ARGSUSED */
2212static void
2213run_ratectl_cb(void *arg, int pending)
2214{
2215 struct run_softc *sc = arg;
2216 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
2217 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2218
2219 if (vap == NULL)
2220 return;
2221
2222 if (sc->rvp_cnt <= 1 && vap->iv_opmode == IEEE80211_M_STA)
2223 run_iter_func(sc, vap->iv_bss);
2224 else {
2225 /*
2226 * run_reset_livelock() doesn't do anything with AMRR,
2227 * but Ralink wants us to call it every 1 sec. So, we
2228 * piggyback here rather than creating another callout.
2229 * Livelock may occur only in HOSTAP or IBSS mode
2230 * (when h/w is sending beacons).
2231 */
2232 RUN_LOCK(sc);
2233 run_reset_livelock(sc);
2234 /* just in case, there are some stats to drain */
2235 run_drain_fifo(sc);
2236 RUN_UNLOCK(sc);
2237 ieee80211_iterate_nodes(&ic->ic_sta, run_iter_func, sc);
2238 }
2239
2240 if(sc->ratectl_run != RUN_RATECTL_OFF)
2241 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc);
2242}
2243
2244static void
2245run_drain_fifo(void *arg)
2246{
2247 struct run_softc *sc = arg;
2248 struct ifnet *ifp = sc->sc_ifp;
2249 uint32_t stat;
2250 uint16_t (*wstat)[3];
2251 uint8_t wcid, mcs, pid;
2252 int8_t retry;
2253
2254 RUN_LOCK_ASSERT(sc, MA_OWNED);
2255
2256 for (;;) {
2257 /* drain Tx status FIFO (maxsize = 16) */
2258 run_read(sc, RT2860_TX_STAT_FIFO, &stat);
2259 DPRINTFN(4, "tx stat 0x%08x\n", stat);
2260 if (!(stat & RT2860_TXQ_VLD))
2261 break;
2262
2263 wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff;
2264
2265 /* if no ACK was requested, no feedback is available */
2266 if (!(stat & RT2860_TXQ_ACKREQ) || wcid > RT2870_WCID_MAX ||
2267 wcid == 0)
2268 continue;
2269
2270 /*
2271 * Even though each stat is Tx-complete-status like format,
2272 * the device can poll stats. Because there is no guarantee
2273 * that the referring node is still around when read the stats.
2274 * So that, if we use ieee80211_ratectl_tx_update(), we will
2275 * have hard time not to refer already freed node.
2276 *
2277 * To eliminate such page faults, we poll stats in softc.
2278 * Then, update the rates later with ieee80211_ratectl_tx_update().
2279 */
2280 wstat = &(sc->wcid_stats[wcid]);
2281 (*wstat)[RUN_TXCNT]++;
2282 if (stat & RT2860_TXQ_OK)
2283 (*wstat)[RUN_SUCCESS]++;
2284 else
2285 ifp->if_oerrors++;
2286 /*
2287 * Check if there were retries, ie if the Tx success rate is
2288 * different from the requested rate. Note that it works only
2289 * because we do not allow rate fallback from OFDM to CCK.
2290 */
2291 mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f;
2292 pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf;
2293 if ((retry = pid -1 - mcs) > 0) {
2294 (*wstat)[RUN_TXCNT] += retry;
2295 (*wstat)[RUN_RETRY] += retry;
2296 }
2297 }
2298 DPRINTFN(3, "count=%d\n", sc->fifo_cnt);
2299
2300 sc->fifo_cnt = 0;
2301}
2302
2303static void
2304run_iter_func(void *arg, struct ieee80211_node *ni)
2305{
2306 struct run_softc *sc = arg;
2307 struct ieee80211vap *vap = ni->ni_vap;
2308 struct ieee80211com *ic = ni->ni_ic;
2309 struct ifnet *ifp = ic->ic_ifp;
2310 struct run_node *rn = (void *)ni;
2311 union run_stats sta[2];
2312 uint16_t (*wstat)[3];
2313 int txcnt, success, retrycnt, error;
2314
2315 RUN_LOCK(sc);
2316
2317 if (sc->rvp_cnt <= 1 && (vap->iv_opmode == IEEE80211_M_IBSS ||
2318 vap->iv_opmode == IEEE80211_M_STA)) {
2319 /* read statistic counters (clear on read) and update AMRR state */
2320 error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta,
2321 sizeof sta);
2322 if (error != 0)
2323 goto fail;
2324
2325 /* count failed TX as errors */
2326 ifp->if_oerrors += le16toh(sta[0].error.fail);
2327
2328 retrycnt = le16toh(sta[1].tx.retry);
2329 success = le16toh(sta[1].tx.success);
2330 txcnt = retrycnt + success + le16toh(sta[0].error.fail);
2331
2332 DPRINTFN(3, "retrycnt=%d success=%d failcnt=%d\n",
2333 retrycnt, success, le16toh(sta[0].error.fail));
2334 } else {
2335 wstat = &(sc->wcid_stats[RUN_AID2WCID(ni->ni_associd)]);
2336
2337 if (wstat == &(sc->wcid_stats[0]) ||
2338 wstat > &(sc->wcid_stats[RT2870_WCID_MAX]))
2339 goto fail;
2340
2341 txcnt = (*wstat)[RUN_TXCNT];
2342 success = (*wstat)[RUN_SUCCESS];
2343 retrycnt = (*wstat)[RUN_RETRY];
2344 DPRINTFN(3, "retrycnt=%d txcnt=%d success=%d\n",
2345 retrycnt, txcnt, success);
2346
2347 memset(wstat, 0, sizeof(*wstat));
2348 }
2349
2350 ieee80211_ratectl_tx_update(vap, ni, &txcnt, &success, &retrycnt);
2351 rn->amrr_ridx = ieee80211_ratectl_rate(ni, NULL, 0);
2352
2353fail:
2354 RUN_UNLOCK(sc);
2355
2356 DPRINTFN(3, "ridx=%d\n", rn->amrr_ridx);
2357}
2358
2359static void
2360run_newassoc_cb(void *arg)
2361{
2362 struct run_cmdq *cmdq = arg;
2363 struct ieee80211_node *ni = cmdq->arg1;
2364 struct run_softc *sc = ni->ni_vap->iv_ic->ic_ifp->if_softc;
2365 uint8_t wcid = cmdq->wcid;
2366
2367 RUN_LOCK_ASSERT(sc, MA_OWNED);
2368
2369 run_write_region_1(sc, RT2860_WCID_ENTRY(wcid),
2370 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2371
2372 memset(&(sc->wcid_stats[wcid]), 0, sizeof(sc->wcid_stats[wcid]));
2373}
2374
2375static void
2376run_newassoc(struct ieee80211_node *ni, int isnew)
2377{
2378 struct run_node *rn = (void *)ni;
2379 struct ieee80211_rateset *rs = &ni->ni_rates;
2380 struct ieee80211vap *vap = ni->ni_vap;
2381 struct ieee80211com *ic = vap->iv_ic;
2382 struct run_softc *sc = ic->ic_ifp->if_softc;
2383 uint8_t rate;
2384 uint8_t ridx;
10f2cea7 2385 uint8_t wcid;
12bd3c8b 2386 int i, j;
1a468664 2387#ifdef RUN_DEBUG
10f2cea7 2388 char ethstr[ETHER_ADDRSTRLEN + 1];
1a468664 2389#endif
10f2cea7
SW
2390
2391 wcid = (vap->iv_opmode == IEEE80211_M_STA) ?
2392 1 : RUN_AID2WCID(ni->ni_associd);
12bd3c8b
SW
2393
2394 if (wcid > RT2870_WCID_MAX) {
2395 device_printf(sc->sc_dev, "wcid=%d out of range\n", wcid);
2396 return;
2397 }
2398
2399 /* only interested in true associations */
2400 if (isnew && ni->ni_associd != 0) {
2401
2402 /*
2403 * This function could is called though timeout function.
2404 * Need to defer.
2405 */
2406 uint32_t cnt = RUN_CMDQ_GET(&sc->cmdq_store);
2407 DPRINTF("cmdq_store=%d\n", cnt);
2408 sc->cmdq[cnt].func = run_newassoc_cb;
2409 sc->cmdq[cnt].arg0 = NULL;
2410 sc->cmdq[cnt].arg1 = ni;
2411 sc->cmdq[cnt].wcid = wcid;
2412 ieee80211_runtask(ic, &sc->cmdq_task);
2413 }
2414
2415 DPRINTF("new assoc isnew=%d associd=%x addr=%s\n",
10f2cea7 2416 isnew, ni->ni_associd, kether_ntoa(ni->ni_macaddr, ethstr));
12bd3c8b
SW
2417
2418 for (i = 0; i < rs->rs_nrates; i++) {
2419 rate = rs->rs_rates[i] & IEEE80211_RATE_VAL;
2420 /* convert 802.11 rate to hardware rate index */
2421 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
2422 if (rt2860_rates[ridx].rate == rate)
2423 break;
2424 rn->ridx[i] = ridx;
2425 /* determine rate of control response frames */
2426 for (j = i; j >= 0; j--) {
2427 if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) &&
2428 rt2860_rates[rn->ridx[i]].phy ==
2429 rt2860_rates[rn->ridx[j]].phy)
2430 break;
2431 }
2432 if (j >= 0) {
2433 rn->ctl_ridx[i] = rn->ridx[j];
2434 } else {
2435 /* no basic rate found, use mandatory one */
2436 rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx;
2437 }
2438 DPRINTF("rate=0x%02x ridx=%d ctl_ridx=%d\n",
2439 rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]);
2440 }
2441 rate = vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)].mgmtrate;
2442 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
2443 if (rt2860_rates[ridx].rate == rate)
2444 break;
2445 rn->mgt_ridx = ridx;
2446 DPRINTF("rate=%d, mgmt_ridx=%d\n", rate, rn->mgt_ridx);
2447
2448 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc);
2449}
2450
2451/*
2452 * Return the Rx chain with the highest RSSI for a given frame.
2453 */
2454static __inline uint8_t
2455run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi)
2456{
2457 uint8_t rxchain = 0;
2458
2459 if (sc->nrxchains > 1) {
2460 if (rxwi->rssi[1] > rxwi->rssi[rxchain])
2461 rxchain = 1;
2462 if (sc->nrxchains > 2)
2463 if (rxwi->rssi[2] > rxwi->rssi[rxchain])
2464 rxchain = 2;
2465 }
2466 return (rxchain);
2467}
2468
2469static void
2470run_rx_frame(struct run_softc *sc, struct mbuf *m, uint32_t dmalen)
2471{
2472 struct ifnet *ifp = sc->sc_ifp;
2473 struct ieee80211com *ic = ifp->if_l2com;
2474 struct ieee80211_frame *wh;
2475 struct ieee80211_node *ni;
2476 struct rt2870_rxd *rxd;
2477 struct rt2860_rxwi *rxwi;
2478 uint32_t flags;
2479 uint16_t len, phy;
2480 uint8_t ant, rssi;
2481 int8_t nf;
2482
2483 rxwi = mtod(m, struct rt2860_rxwi *);
2484 len = le16toh(rxwi->len) & 0xfff;
2485 if (__predict_false(len > dmalen)) {
2486 m_freem(m);
2487 ifp->if_ierrors++;
2488 DPRINTF("bad RXWI length %u > %u\n", len, dmalen);
2489 return;
2490 }
2491 /* Rx descriptor is located at the end */
2492 rxd = (struct rt2870_rxd *)(mtod(m, caddr_t) + dmalen);
2493 flags = le32toh(rxd->flags);
2494
2495 if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) {
2496 m_freem(m);
2497 ifp->if_ierrors++;
2498 DPRINTF("%s error.\n", (flags & RT2860_RX_CRCERR)?"CRC":"ICV");
2499 return;
2500 }
2501
2502 m->m_data += sizeof(struct rt2860_rxwi);
2503 m->m_pkthdr.len = m->m_len -= sizeof(struct rt2860_rxwi);
2504
2505 wh = mtod(m, struct ieee80211_frame *);
2506
2507 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2508 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
2509 m->m_flags |= M_WEP;
2510 }
2511
2512 if (flags & RT2860_RX_L2PAD) {
2513 DPRINTFN(8, "received RT2860_RX_L2PAD frame\n");
2514 len += 2;
2515 }
2516
2517 ni = ieee80211_find_rxnode(ic,
2518 mtod(m, struct ieee80211_frame_min *));
2519
2520 if (__predict_false(flags & RT2860_RX_MICERR)) {
2521 /* report MIC failures to net80211 for TKIP */
2522 if (ni != NULL)
2523 ieee80211_notify_michael_failure(ni->ni_vap, wh, rxwi->keyidx);
2524 m_freem(m);
2525 ifp->if_ierrors++;
2526 DPRINTF("MIC error. Someone is lying.\n");
2527 return;
2528 }
2529
2530 ant = run_maxrssi_chain(sc, rxwi);
2531 rssi = rxwi->rssi[ant];
2532 nf = run_rssi2dbm(sc, rssi, ant);
2533
2534 m->m_pkthdr.rcvif = ifp;
2535 m->m_pkthdr.len = m->m_len = len;
2536
2537 if (ni != NULL) {
2538 (void)ieee80211_input(ni, m, rssi, nf);
2539 ieee80211_free_node(ni);
2540 } else {
2541 (void)ieee80211_input_all(ic, m, rssi, nf);
2542 }
2543
2544 if (__predict_false(ieee80211_radiotap_active(ic))) {
2545 struct run_rx_radiotap_header *tap = &sc->sc_rxtap;
2546
2547 tap->wr_flags = 0;
10f2cea7
SW
2548 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq);
2549 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags);
12bd3c8b
SW
2550 tap->wr_antsignal = rssi;
2551 tap->wr_antenna = ant;
2552 tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant);
2553 tap->wr_rate = 2; /* in case it can't be found below */
2554 phy = le16toh(rxwi->phy);
2555 switch (phy & RT2860_PHY_MODE) {
2556 case RT2860_PHY_CCK:
2557 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
2558 case 0: tap->wr_rate = 2; break;
2559 case 1: tap->wr_rate = 4; break;
2560 case 2: tap->wr_rate = 11; break;
2561 case 3: tap->wr_rate = 22; break;
2562 }
2563 if (phy & RT2860_PHY_SHPRE)
2564 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2565 break;
2566 case RT2860_PHY_OFDM:
2567 switch (phy & RT2860_PHY_MCS) {
2568 case 0: tap->wr_rate = 12; break;
2569 case 1: tap->wr_rate = 18; break;
2570 case 2: tap->wr_rate = 24; break;
2571 case 3: tap->wr_rate = 36; break;
2572 case 4: tap->wr_rate = 48; break;
2573 case 5: tap->wr_rate = 72; break;
2574 case 6: tap->wr_rate = 96; break;
2575 case 7: tap->wr_rate = 108; break;
2576 }
2577 break;
2578 }
2579 }
2580}
2581
2582static void
2583run_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
2584{
2585 struct run_softc *sc = usbd_xfer_softc(xfer);
2586 struct ifnet *ifp = sc->sc_ifp;
2587 struct mbuf *m = NULL;
2588 struct mbuf *m0;
2589 uint32_t dmalen;
2590 int xferlen;
2591
2592 usbd_xfer_status(xfer, &xferlen, NULL, NULL, NULL);
2593
2594 switch (USB_GET_STATE(xfer)) {
2595 case USB_ST_TRANSFERRED:
2596
2597 DPRINTFN(15, "rx done, actlen=%d\n", xferlen);
2598
10f2cea7
SW
2599 if (xferlen < (int)(sizeof(uint32_t) +
2600 sizeof(struct rt2860_rxwi) + sizeof(struct rt2870_rxd))) {
12bd3c8b
SW
2601 DPRINTF("xfer too short %d\n", xferlen);
2602 goto tr_setup;
2603 }
2604
2605 m = sc->rx_m;
2606 sc->rx_m = NULL;
2607
2608 /* FALLTHROUGH */
2609 case USB_ST_SETUP:
2610tr_setup:
2611 if (sc->rx_m == NULL) {
10f2cea7 2612 sc->rx_m = m_getjcl(MB_DONTWAIT, MT_DATA, M_PKTHDR,
12bd3c8b
SW
2613 MJUMPAGESIZE /* xfer can be bigger than MCLBYTES */);
2614 }
2615 if (sc->rx_m == NULL) {
2616 DPRINTF("could not allocate mbuf - idle with stall\n");
2617 ifp->if_ierrors++;
2618 usbd_xfer_set_stall(xfer);
2619 usbd_xfer_set_frames(xfer, 0);
2620 } else {
2621 /*
2622 * Directly loading a mbuf cluster into DMA to
2623 * save some data copying. This works because
2624 * there is only one cluster.
2625 */
2626 usbd_xfer_set_frame_data(xfer, 0,
2627 mtod(sc->rx_m, caddr_t), RUN_MAX_RXSZ);
2628 usbd_xfer_set_frames(xfer, 1);
2629 }
2630 usbd_transfer_submit(xfer);
2631 break;
2632
2633 default: /* Error */
2634 if (error != USB_ERR_CANCELLED) {
2635 /* try to clear stall first */
2636 usbd_xfer_set_stall(xfer);
2637
2638 if (error == USB_ERR_TIMEOUT)
2639 device_printf(sc->sc_dev, "device timeout\n");
2640
2641 ifp->if_ierrors++;
2642
2643 goto tr_setup;
2644 }
2645 if (sc->rx_m != NULL) {
2646 m_freem(sc->rx_m);
2647 sc->rx_m = NULL;
2648 }
2649 break;
2650 }
2651
2652 if (m == NULL)
2653 return;
2654
2655 /* inputting all the frames must be last */
2656
2657 RUN_UNLOCK(sc);
2658
2659 m->m_pkthdr.len = m->m_len = xferlen;
2660
2661 /* HW can aggregate multiple 802.11 frames in a single USB xfer */
2662 for(;;) {
2663 dmalen = le32toh(*mtod(m, uint32_t *)) & 0xffff;
2664
10f2cea7
SW
2665 if ((dmalen >= (uint32_t)-8) || (dmalen == 0) ||
2666 ((dmalen & 3) != 0)) {
12bd3c8b
SW
2667 DPRINTF("bad DMA length %u\n", dmalen);
2668 break;
2669 }
10f2cea7 2670 if ((dmalen + 8) > (uint32_t)xferlen) {
12bd3c8b
SW
2671 DPRINTF("bad DMA length %u > %d\n",
2672 dmalen + 8, xferlen);
2673 break;
2674 }
2675
2676 /* If it is the last one or a single frame, we won't copy. */
2677 if ((xferlen -= dmalen + 8) <= 8) {
2678 /* trim 32-bit DMA-len header */
2679 m->m_data += 4;
2680 m->m_pkthdr.len = m->m_len -= 4;
2681 run_rx_frame(sc, m, dmalen);
2682 break;
2683 }
2684
2685 /* copy aggregated frames to another mbuf */
10f2cea7 2686 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR);
12bd3c8b
SW
2687 if (__predict_false(m0 == NULL)) {
2688 DPRINTF("could not allocate mbuf\n");
2689 ifp->if_ierrors++;
2690 break;
2691 }
2692 m_copydata(m, 4 /* skip 32-bit DMA-len header */,
2693 dmalen + sizeof(struct rt2870_rxd), mtod(m0, caddr_t));
2694 m0->m_pkthdr.len = m0->m_len =
2695 dmalen + sizeof(struct rt2870_rxd);
2696 run_rx_frame(sc, m0, dmalen);
2697
2698 /* update data ptr */
2699 m->m_data += dmalen + 8;
2700 m->m_pkthdr.len = m->m_len -= dmalen + 8;
2701 }
2702
2703 RUN_LOCK(sc);
2704}
2705
2706static void
2707run_tx_free(struct run_endpoint_queue *pq,
2708 struct run_tx_data *data, int txerr)
2709{
2710 if (data->m != NULL) {
2711 if (data->m->m_flags & M_TXCB)
2712 ieee80211_process_callback(data->ni, data->m,
2713 txerr ? ETIMEDOUT : 0);
2714 m_freem(data->m);
2715 data->m = NULL;
2716
2717 if (data->ni == NULL) {
2718 DPRINTF("no node\n");
2719 } else {
2720 ieee80211_free_node(data->ni);
2721 data->ni = NULL;
2722 }
2723 }
2724
2725 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next);
2726 pq->tx_nfree++;
2727}
2728
2729static void
2730run_bulk_tx_callbackN(struct usb_xfer *xfer, usb_error_t error, unsigned int index)
2731{
2732 struct run_softc *sc = usbd_xfer_softc(xfer);
2733 struct ifnet *ifp = sc->sc_ifp;
2734 struct ieee80211com *ic = ifp->if_l2com;
2735 struct run_tx_data *data;
2736 struct ieee80211vap *vap = NULL;
2737 struct usb_page_cache *pc;
2738 struct run_endpoint_queue *pq = &sc->sc_epq[index];
2739 struct mbuf *m;
2740 usb_frlength_t size;
2741 int actlen;
2742 int sumlen;
2743
2744 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
2745
2746 switch (USB_GET_STATE(xfer)) {
2747 case USB_ST_TRANSFERRED:
2748 DPRINTFN(11, "transfer complete: %d "
2749 "bytes @ index %d\n", actlen, index);
2750
2751 data = usbd_xfer_get_priv(xfer);
2752
2753 run_tx_free(pq, data, 0);
10f2cea7 2754 ifq_clr_oactive(&ifp->if_snd);
12bd3c8b
SW
2755
2756 usbd_xfer_set_priv(xfer, NULL);
2757
2758 ifp->if_opackets++;
2759
2760 /* FALLTHROUGH */
2761 case USB_ST_SETUP:
2762tr_setup:
2763 data = STAILQ_FIRST(&pq->tx_qh);
2764 if (data == NULL)
2765 break;
2766
2767 STAILQ_REMOVE_HEAD(&pq->tx_qh, next);
2768
2769 m = data->m;
2770 if ((m->m_pkthdr.len +
2771 sizeof(data->desc) + 3 + 8) > RUN_MAX_TXSZ) {
2772 DPRINTF("data overflow, %u bytes\n",
2773 m->m_pkthdr.len);
2774
2775 ifp->if_oerrors++;
2776
2777 run_tx_free(pq, data, 1);
2778
2779 goto tr_setup;
2780 }
2781
2782 pc = usbd_xfer_get_frame(xfer, 0);
2783 size = sizeof(data->desc);
2784 usbd_copy_in(pc, 0, &data->desc, size);
2785 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len);
2786 size += m->m_pkthdr.len;
2787 /*
2788 * Align end on a 4-byte boundary, pad 8 bytes (CRC +
2789 * 4-byte padding), and be sure to zero those trailing
2790 * bytes:
2791 */
2792 usbd_frame_zero(pc, size, ((-size) & 3) + 8);
2793 size += ((-size) & 3) + 8;
2794
2795 vap = data->ni->ni_vap;
2796 if (ieee80211_radiotap_active_vap(vap)) {
2797 struct run_tx_radiotap_header *tap = &sc->sc_txtap;
2798 struct rt2860_txwi *txwi =
2799 (struct rt2860_txwi *)(&data->desc + sizeof(struct rt2870_txd));
2800
2801 tap->wt_flags = 0;
2802 tap->wt_rate = rt2860_rates[data->ridx].rate;
10f2cea7
SW
2803 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq);
2804 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags);
12bd3c8b
SW
2805 tap->wt_hwqueue = index;
2806 if (le16toh(txwi->phy) & RT2860_PHY_SHPRE)
2807 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2808
2809 ieee80211_radiotap_tx(vap, m);
2810 }
2811
2812 DPRINTFN(11, "sending frame len=%u/%u @ index %d\n",
2813 m->m_pkthdr.len, size, index);
2814
2815 usbd_xfer_set_frame_len(xfer, 0, size);
2816 usbd_xfer_set_priv(xfer, data);
2817
2818 usbd_transfer_submit(xfer);
2819
10f2cea7 2820 run_start_locked(ifp);
12bd3c8b
SW
2821
2822 break;
2823
2824 default:
2825 DPRINTF("USB transfer error, %s\n",
2826 usbd_errstr(error));
2827
2828 data = usbd_xfer_get_priv(xfer);
2829
2830 ifp->if_oerrors++;
2831
2832 if (data != NULL) {
2833 if(data->ni != NULL)
2834 vap = data->ni->ni_vap;
2835 run_tx_free(pq, data, error);
2836 usbd_xfer_set_priv(xfer, NULL);
2837 }
2838 if (vap == NULL)
2839 vap = TAILQ_FIRST(&ic->ic_vaps);
2840
2841 if (error != USB_ERR_CANCELLED) {
2842 if (error == USB_ERR_TIMEOUT) {
2843 device_printf(sc->sc_dev, "device timeout\n");
2844 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store);
2845 DPRINTF("cmdq_store=%d\n", i);
2846 sc->cmdq[i].func = run_usb_timeout_cb;
2847 sc->cmdq[i].arg0 = vap;
2848 ieee80211_runtask(ic, &sc->cmdq_task);
2849 }
2850
2851 /*
2852 * Try to clear stall first, also if other
2853 * errors occur, hence clearing stall
2854 * introduces a 50 ms delay:
2855 */
2856 usbd_xfer_set_stall(xfer);
2857 goto tr_setup;
2858 }
2859 break;
2860 }
2861}
2862
2863static void
2864run_bulk_tx_callback0(struct usb_xfer *xfer, usb_error_t error)
2865{
2866 run_bulk_tx_callbackN(xfer, error, 0);
2867}
2868
2869static void
2870run_bulk_tx_callback1(struct usb_xfer *xfer, usb_error_t error)
2871{
2872 run_bulk_tx_callbackN(xfer, error, 1);
2873}
2874
2875static void
2876run_bulk_tx_callback2(struct usb_xfer *xfer, usb_error_t error)
2877{
2878 run_bulk_tx_callbackN(xfer, error, 2);
2879}
2880
2881static void
2882run_bulk_tx_callback3(struct usb_xfer *xfer, usb_error_t error)
2883{
2884 run_bulk_tx_callbackN(xfer, error, 3);
2885}
2886
2887static void
2888run_bulk_tx_callback4(struct usb_xfer *xfer, usb_error_t error)
2889{
2890 run_bulk_tx_callbackN(xfer, error, 4);
2891}
2892
2893static void
2894run_bulk_tx_callback5(struct usb_xfer *xfer, usb_error_t error)
2895{
2896 run_bulk_tx_callbackN(xfer, error, 5);
2897}
2898
2899static void
2900run_set_tx_desc(struct run_softc *sc, struct run_tx_data *data)
2901{
2902 struct mbuf *m = data->m;
2903 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
2904 struct ieee80211vap *vap = data->ni->ni_vap;
2905 struct ieee80211_frame *wh;
2906 struct rt2870_txd *txd;
2907 struct rt2860_txwi *txwi;
2908 uint16_t xferlen;
2909 uint16_t mcs;
2910 uint8_t ridx = data->ridx;
2911 uint8_t pad;
2912
2913 /* get MCS code from rate index */
2914 mcs = rt2860_rates[ridx].mcs;
2915
2916 xferlen = sizeof(*txwi) + m->m_pkthdr.len;
2917
2918 /* roundup to 32-bit alignment */
2919 xferlen = (xferlen + 3) & ~3;
2920
2921 txd = (struct rt2870_txd *)&data->desc;
2922 txd->len = htole16(xferlen);
2923
2924 wh = mtod(m, struct ieee80211_frame *);
2925
2926 /*
2927 * Ether both are true or both are false, the header
2928 * are nicely aligned to 32-bit. So, no L2 padding.
2929 */
2930 if(IEEE80211_HAS_ADDR4(wh) == IEEE80211_QOS_HAS_SEQ(wh))
2931 pad = 0;
2932 else
2933 pad = 2;
2934
2935 /* setup TX Wireless Information */
2936 txwi = (struct rt2860_txwi *)(txd + 1);
2937 txwi->len = htole16(m->m_pkthdr.len - pad);
2938 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) {
2939 txwi->phy = htole16(RT2860_PHY_CCK);
2940 if (ridx != RT2860_RIDX_CCK1 &&
2941 (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
2942 mcs |= RT2860_PHY_SHPRE;
2943 } else
2944 txwi->phy = htole16(RT2860_PHY_OFDM);
2945 txwi->phy |= htole16(mcs);
2946
2947 /* check if RTS/CTS or CTS-to-self protection is required */
2948 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
2949 (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold ||
2950 ((ic->ic_flags & IEEE80211_F_USEPROT) &&
2951 rt2860_rates[ridx].phy == IEEE80211_T_OFDM)))
2952 txwi->txop |= RT2860_TX_TXOP_HT;
2953 else
2954 txwi->txop |= RT2860_TX_TXOP_BACKOFF;
2955
2956 if (vap->iv_opmode != IEEE80211_M_STA && !IEEE80211_QOS_HAS_SEQ(wh))
2957 txwi->xflags |= RT2860_TX_NSEQ;
2958}
2959
2960/* This function must be called locked */
2961static int
2962run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
2963{
2964 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
2965 struct ieee80211vap *vap = ni->ni_vap;
2966 struct ieee80211_frame *wh;
2967 struct ieee80211_channel *chan;
2968 const struct ieee80211_txparam *tp;
2969 struct run_node *rn = (void *)ni;
2970 struct run_tx_data *data;
2971 struct rt2870_txd *txd;
2972 struct rt2860_txwi *txwi;
2973 uint16_t qos;
2974 uint16_t dur;
2975 uint16_t qid;
2976 uint8_t type;
2977 uint8_t tid;
2978 uint8_t ridx;
2979 uint8_t ctl_ridx;
2980 uint8_t qflags;
2981 uint8_t xflags = 0;
2982 int hasqos;
2983
10f2cea7 2984#if 0 /* XXX swildner: lock needed? */
12bd3c8b 2985 RUN_LOCK_ASSERT(sc, MA_OWNED);
10f2cea7 2986#endif
12bd3c8b
SW
2987
2988 wh = mtod(m, struct ieee80211_frame *);
2989
2990 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
2991
2992 /*
2993 * There are 7 bulk endpoints: 1 for RX
2994 * and 6 for TX (4 EDCAs + HCCA + Prio).
2995 * Update 03-14-2009: some devices like the Planex GW-US300MiniS
2996 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
2997 */
2998 if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) {
2999 uint8_t *frm;
3000
3001 if(IEEE80211_HAS_ADDR4(wh))
3002 frm = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos;
3003 else
3004 frm =((struct ieee80211_qosframe *)wh)->i_qos;
3005
3006 qos = le16toh(*(const uint16_t *)frm);
3007 tid = qos & IEEE80211_QOS_TID;
3008 qid = TID_TO_WME_AC(tid);
3009 } else {
3010 qos = 0;
3011 tid = 0;
3012 qid = WME_AC_BE;
3013 }
3014 qflags = (qid < 4) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_HCCA;
3015
3016 DPRINTFN(8, "qos %d\tqid %d\ttid %d\tqflags %x\n",
3017 qos, qid, tid, qflags);
3018
3019 chan = (ni->ni_chan != IEEE80211_CHAN_ANYC)?ni->ni_chan:ic->ic_curchan;
3020 tp = &vap->iv_txparms[ieee80211_chan2mode(chan)];
3021
3022 /* pickup a rate index */
3023 if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
3024 type != IEEE80211_FC0_TYPE_DATA) {
3025 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
3026 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
3027 ctl_ridx = rt2860_rates[ridx].ctl_ridx;
3028 } else {
3029 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
3030 ridx = rn->fix_ridx;
3031 else
3032 ridx = rn->amrr_ridx;
3033 ctl_ridx = rt2860_rates[ridx].ctl_ridx;
3034 }
3035
3036 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3037 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) !=
3038 IEEE80211_QOS_ACKPOLICY_NOACK)) {
3039 xflags |= RT2860_TX_ACK;
3040 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3041 dur = rt2860_rates[ctl_ridx].sp_ack_dur;
3042 else
3043 dur = rt2860_rates[ctl_ridx].lp_ack_dur;
3044 *(uint16_t *)wh->i_dur = htole16(dur);
3045 }
3046
3047 /* reserve slots for mgmt packets, just in case */
3048 if (sc->sc_epq[qid].tx_nfree < 3) {
3049 DPRINTFN(10, "tx ring %d is full\n", qid);
3050 return (-1);
3051 }
3052
3053 data = STAILQ_FIRST(&sc->sc_epq[qid].tx_fh);
3054 STAILQ_REMOVE_HEAD(&sc->sc_epq[qid].tx_fh, next);
3055 sc->sc_epq[qid].tx_nfree--;
3056
3057 txd = (struct rt2870_txd *)&data->desc;
3058 txd->flags = qflags;
3059 txwi = (struct rt2860_txwi *)(txd + 1);
3060 txwi->xflags = xflags;
10f2cea7
SW
3061 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
3062 txwi->wcid = 0;
3063 } else {
3064 txwi->wcid = (vap->iv_opmode == IEEE80211_M_STA) ?
3065 1 : RUN_AID2WCID(ni->ni_associd);
3066 }
12bd3c8b
SW
3067 /* clear leftover garbage bits */
3068 txwi->flags = 0;
3069 txwi->txop = 0;
3070
3071 data->m = m;
3072 data->ni = ni;
3073 data->ridx = ridx;
3074
3075 run_set_tx_desc(sc, data);
3076
3077 /*
3078 * The chip keeps track of 2 kind of Tx stats,
3079 * * TX_STAT_FIFO, for per WCID stats, and
3080 * * TX_STA_CNT0 for all-TX-in-one stats.
3081 *
3082 * To use FIFO stats, we need to store MCS into the driver-private
3083 * PacketID field. So that, we can tell whose stats when we read them.
3084 * We add 1 to the MCS because setting the PacketID field to 0 means
3085 * that we don't want feedback in TX_STAT_FIFO.
3086 * And, that's what we want for STA mode, since TX_STA_CNT0 does the job.
3087 *
3088 * FIFO stats doesn't count Tx with WCID 0xff, so we do this in run_tx().
3089 */
3090 if (sc->rvp_cnt > 1 || vap->iv_opmode == IEEE80211_M_HOSTAP ||
3091 vap->iv_opmode == IEEE80211_M_MBSS) {
3092 uint16_t pid = (rt2860_rates[ridx].mcs + 1) & 0xf;
3093 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT);
3094
3095 /*
3096 * Unlike PCI based devices, we don't get any interrupt from
3097 * USB devices, so we simulate FIFO-is-full interrupt here.
3098 * Ralink recomends to drain FIFO stats every 100 ms, but 16 slots
3099 * quickly get fulled. To prevent overflow, increment a counter on
3100 * every FIFO stat request, so we know how many slots are left.
3101 * We do this only in HOSTAP or multiple vap mode since FIFO stats
3102 * are used only in those modes.
3103 * We just drain stats. AMRR gets updated every 1 sec by
3104 * run_ratectl_cb() via callout.
3105 * Call it early. Otherwise overflow.
3106 */
3107 if (sc->fifo_cnt++ == 10) {
3108 /*
3109 * With multiple vaps or if_bridge, if_start() is called
3110 * with a non-sleepable lock, tcpinp. So, need to defer.
3111 */
3112 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store);
3113 DPRINTFN(6, "cmdq_store=%d\n", i);
3114 sc->cmdq[i].func = run_drain_fifo;
3115 sc->cmdq[i].arg0 = sc;
3116 ieee80211_runtask(ic, &sc->cmdq_task);
3117 }
3118 }
3119
3120 STAILQ_INSERT_TAIL(&sc->sc_epq[qid].tx_qh, data, next);
3121
10f2cea7 3122 RUN_LOCK(sc);
12bd3c8b 3123 usbd_transfer_start(sc->sc_xfer[qid]);
10f2cea7 3124 RUN_UNLOCK(sc);
12bd3c8b
SW
3125
3126 DPRINTFN(8, "sending data frame len=%d rate=%d qid=%d\n", m->m_pkthdr.len +
3127 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)),
3128 rt2860_rates[ridx].rate, qid);
3129
3130 return (0);
3131}
3132
3133static int
3134run_tx_mgt(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
3135{
3136 struct ifnet *ifp = sc->sc_ifp;
3137 struct ieee80211com *ic = ifp->if_l2com;
3138 struct run_node *rn = (void *)ni;
3139 struct run_tx_data *data;
3140 struct ieee80211_frame *wh;
3141 struct rt2870_txd *txd;
3142 struct rt2860_txwi *txwi;
3143 uint16_t dur;
3144 uint8_t ridx = rn->mgt_ridx;
3145 uint8_t type;
3146 uint8_t xflags = 0;
3147 uint8_t wflags = 0;
3148
3149 RUN_LOCK_ASSERT(sc, MA_OWNED);
3150
3151 wh = mtod(m, struct ieee80211_frame *);
3152
3153 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3154
3155 /* tell hardware to add timestamp for probe responses */
3156 if ((wh->i_fc[0] &
3157 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3158 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3159 wflags |= RT2860_TX_TS;
3160 else if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
3161 xflags |= RT2860_TX_ACK;
3162
3163 dur = ieee80211_ack_duration(ic->ic_rt, rt2860_rates[ridx].rate,
3164 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3165 *(uint16_t *)wh->i_dur = htole16(dur);
3166 }
3167
3168 if (sc->sc_epq[0].tx_nfree == 0) {
3169 /* let caller free mbuf */
10f2cea7 3170 ifq_set_oactive(&ifp->if_snd);
12bd3c8b
SW
3171 return (EIO);
3172 }
3173 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
3174 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
3175 sc->sc_epq[0].tx_nfree--;
3176
3177 txd = (struct rt2870_txd *)&data->desc;
3178 txd->flags = RT2860_TX_QSEL_EDCA;
3179 txwi = (struct rt2860_txwi *)(txd + 1);
3180 txwi->wcid = 0xff;
3181 txwi->flags = wflags;
3182 txwi->xflags = xflags;
3183 txwi->txop = 0; /* clear leftover garbage bits */
3184
3185 data->m = m;
3186 data->ni = ni;
3187 data->ridx = ridx;
3188
3189 run_set_tx_desc(sc, data);
3190
3191 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", m->m_pkthdr.len +
3192 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)),
3193 rt2860_rates[ridx].rate);
3194
3195 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
3196
3197 usbd_transfer_start(sc->sc_xfer[0]);
3198
3199 return (0);
3200}
3201
3202static int
3203run_sendprot(struct run_softc *sc,
3204 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
3205{
3206 struct ieee80211com *ic = ni->ni_ic;
3207 struct ieee80211_frame *wh;
3208 struct run_tx_data *data;
3209 struct rt2870_txd *txd;
3210 struct rt2860_txwi *txwi;
3211 struct mbuf *mprot;
3212 int ridx;
3213 int protrate;
3214 int ackrate;
3215 int pktlen;
3216 int isshort;
3217 uint16_t dur;
3218 uint8_t type;
3219 uint8_t wflags = 0;
3220 uint8_t xflags = 0;
3221
3222 RUN_LOCK_ASSERT(sc, MA_OWNED);
3223
3224 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
3225 ("protection %d", prot));
3226
3227 wh = mtod(m, struct ieee80211_frame *);
3228 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
3229 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3230
3231 protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
3232 ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
3233
3234 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
3235 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
3236 + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
3237 wflags = RT2860_TX_FRAG;
3238
3239 /* check that there are free slots before allocating the mbuf */
3240 if (sc->sc_epq[0].tx_nfree == 0) {
3241 /* let caller free mbuf */
10f2cea7 3242 ifq_set_oactive(&sc->sc_ifp->if_snd);
12bd3c8b
SW
3243 return (ENOBUFS);
3244 }
3245
3246 if (prot == IEEE80211_PROT_RTSCTS) {
3247 /* NB: CTS is the same size as an ACK */
3248 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
3249 xflags |= RT2860_TX_ACK;
3250 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
3251 } else {
3252 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
3253 }
3254 if (mprot == NULL) {
3255 sc->sc_ifp->if_oerrors++;
3256 DPRINTF("could not allocate mbuf\n");
3257 return (ENOBUFS);
3258 }
3259
3260 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
3261 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
3262 sc->sc_epq[0].tx_nfree--;
3263
3264 txd = (struct rt2870_txd *)&data->desc;
3265 txd->flags = RT2860_TX_QSEL_EDCA;
3266 txwi = (struct rt2860_txwi *)(txd + 1);
3267 txwi->wcid = 0xff;
3268 txwi->flags = wflags;
3269 txwi->xflags = xflags;
3270 txwi->txop = 0; /* clear leftover garbage bits */
3271
3272 data->m = mprot;
3273 data->ni = ieee80211_ref_node(ni);
3274
3275 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
3276 if (rt2860_rates[ridx].rate == protrate)
3277 break;
3278 data->ridx = ridx;
3279
3280 run_set_tx_desc(sc, data);
3281
3282 DPRINTFN(1, "sending prot len=%u rate=%u\n",
3283 m->m_pkthdr.len, rate);
3284
3285 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
3286
3287 usbd_transfer_start(sc->sc_xfer[0]);
3288
3289 return (0);
3290}
3291
3292static int
3293run_tx_param(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni,
3294 const struct ieee80211_bpf_params *params)
3295{
3296 struct ieee80211com *ic = ni->ni_ic;
3297 struct ieee80211_frame *wh;
3298 struct run_tx_data *data;
3299 struct rt2870_txd *txd;
3300 struct rt2860_txwi *txwi;
3301 uint8_t type;
3302 uint8_t ridx;
3303 uint8_t rate;
3304 uint8_t opflags = 0;
3305 uint8_t xflags = 0;
3306 int error;
3307
3308 RUN_LOCK_ASSERT(sc, MA_OWNED);
3309
3310 KASSERT(params != NULL, ("no raw xmit params"));
3311
3312 wh = mtod(m, struct ieee80211_frame *);
3313 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3314
3315 rate = params->ibp_rate0;
3316 if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
3317 /* let caller free mbuf */
3318 return (EINVAL);
3319 }
3320
3321 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
3322 xflags |= RT2860_TX_ACK;
3323 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
3324 error = run_sendprot(sc, m, ni,
3325 params->ibp_flags & IEEE80211_BPF_RTS ?
3326 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
3327 rate);
3328 if (error) {
3329 /* let caller free mbuf */
3330 return error;
3331 }
3332 opflags |= /*XXX RT2573_TX_LONG_RETRY |*/ RT2860_TX_TXOP_SIFS;
3333 }
3334
3335 if (sc->sc_epq[0].tx_nfree == 0) {
3336 /* let caller free mbuf */
10f2cea7 3337 ifq_set_oactive(&sc->sc_ifp->if_snd);
12bd3c8b
SW
3338 DPRINTF("sending raw frame, but tx ring is full\n");
3339 return (EIO);
3340 }
3341 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
3342 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
3343 sc->sc_epq[0].tx_nfree--;
3344
3345 txd = (struct rt2870_txd *)&data->desc;
3346 txd->flags = RT2860_TX_QSEL_EDCA;
3347 txwi = (struct rt2860_txwi *)(txd + 1);
3348 txwi->wcid = 0xff;
3349 txwi->xflags = xflags;
3350 txwi->txop = opflags;
3351 txwi->flags = 0; /* clear leftover garbage bits */
3352
3353 data->m = m;
3354 data->ni = ni;
3355 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
3356 if (rt2860_rates[ridx].rate == rate)
3357 break;
3358 data->ridx = ridx;
3359
3360 run_set_tx_desc(sc, data);
3361
3362 DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
3363 m->m_pkthdr.len, rate);
3364
3365 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
3366
3367 usbd_transfer_start(sc->sc_xfer[0]);
3368
3369 return (0);
3370}
3371
3372static int
3373run_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
3374 const struct ieee80211_bpf_params *params)
3375{
3376 struct ifnet *ifp = ni->ni_ic->ic_ifp;
3377 struct run_softc *sc = ifp->if_softc;
3378 int error = 0;
3379
3380 RUN_LOCK(sc);
3381
3382 /* prevent management frames from being sent if we're not ready */
10f2cea7 3383 if (!(ifp->if_flags & IFF_RUNNING)) {
12bd3c8b
SW
3384 error = ENETDOWN;
3385 goto done;
3386 }
3387
3388 if (params == NULL) {
3389 /* tx mgt packet */
3390 if ((error = run_tx_mgt(sc, m, ni)) != 0) {
3391 ifp->if_oerrors++;
3392 DPRINTF("mgt tx failed\n");
3393 goto done;
3394 }
3395 } else {
3396 /* tx raw packet with param */
3397 if ((error = run_tx_param(sc, m, ni, params)) != 0) {
3398 ifp->if_oerrors++;
3399 DPRINTF("tx with param failed\n");
3400 goto done;
3401 }
3402 }
3403
3404 ifp->if_opackets++;
3405
3406done:
3407 RUN_UNLOCK(sc);
3408
3409 if (error != 0) {
3410 if(m != NULL)
3411 m_freem(m);
3412 ieee80211_free_node(ni);
3413 }
3414
3415 return (error);
3416}
3417
3418static void
10f2cea7 3419run_start_locked(struct ifnet *ifp)
12bd3c8b
SW
3420{
3421 struct run_softc *sc = ifp->if_softc;
3422 struct ieee80211_node *ni;
10f2cea7 3423 struct mbuf *m = NULL;
12bd3c8b 3424
ce73fac0 3425 if ((ifp->if_flags & IFF_RUNNING) == 0)
12bd3c8b 3426 return;
12bd3c8b
SW
3427
3428 for (;;) {
3429 /* send data frames */
10f2cea7 3430 m = ifq_dequeue(&ifp->if_snd);
12bd3c8b
SW
3431 if (m == NULL)
3432 break;
3433
3434 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
3435 if (run_tx(sc, m, ni) != 0) {
10f2cea7
SW
3436 ifq_prepend(&ifp->if_snd, m);
3437 ifq_set_oactive(&ifp->if_snd);
12bd3c8b
SW
3438 break;
3439 }
3440 }
10f2cea7 3441}
12bd3c8b 3442
10f2cea7
SW
3443static void
3444run_start(struct ifnet *ifp, struct ifaltq_subque *ifsq)
3445{
3446 ASSERT_ALTQ_SQ_DEFAULT(ifp, ifsq);
3447 run_start_locked(ifp);
12bd3c8b
SW
3448}
3449
3450static int
10f2cea7 3451run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
12bd3c8b
SW
3452{
3453 struct run_softc *sc = ifp->if_softc;
3454 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
3455 struct ifreq *ifr = (struct ifreq *) data;
3456 int startall = 0;
10f2cea7
SW
3457 int error;
3458
3459 RUN_LOCK(sc);
3460 error = sc->sc_detached ? ENXIO : 0;
3461 RUN_UNLOCK(sc);
3462 if (error)
3463 return (error);
12bd3c8b
SW
3464
3465 switch (cmd) {
3466 case SIOCSIFFLAGS:
3467 RUN_LOCK(sc);
3468 if (ifp->if_flags & IFF_UP) {
10f2cea7 3469 if (!(ifp->if_flags & IFF_RUNNING)){
12bd3c8b
SW
3470 startall = 1;
3471 run_init_locked(sc);
3472 } else
3473 run_update_promisc_locked(ifp);
3474 } else {
10f2cea7 3475 if (ifp->if_flags & IFF_RUNNING &&
12bd3c8b
SW
3476 (ic->ic_nrunning == 0 || sc->rvp_cnt <= 1)) {
3477 run_stop(sc);
3478 }
3479 }
3480 RUN_UNLOCK(sc);
3481 if (startall)
3482 ieee80211_start_all(ic);
3483 break;
3484 case SIOCGIFMEDIA:
3485 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
3486 break;
3487 case SIOCGIFADDR:
3488 error = ether_ioctl(ifp, cmd, data);
3489 break;
3490 default:
3491 error = EINVAL;
3492 break;
3493 }
3494
3495 return (error);
3496}
3497
3498static void
3499run_set_agc(struct run_softc *sc, uint8_t agc)
3500{
3501 uint8_t bbp;
3502
3503 if (sc->mac_ver == 0x3572) {
3504 run_bbp_read(sc, 27, &bbp);
3505 bbp &= ~(0x3 << 5);
3506 run_bbp_write(sc, 27, bbp | 0 << 5); /* select Rx0 */
3507 run_bbp_write(sc, 66, agc);
3508 run_bbp_write(sc, 27, bbp | 1 << 5); /* select Rx1 */
3509 run_bbp_write(sc, 66, agc);
3510 } else
3511 run_bbp_write(sc, 66, agc);
3512}
3513
3514static void
3515run_select_chan_group(struct run_softc *sc, int group)
3516{
3517 uint32_t tmp;
3518 uint8_t agc;
3519
3520 run_bbp_write(sc, 62, 0x37 - sc->lna[group]);
3521 run_bbp_write(sc, 63, 0x37 - sc->lna[group]);
3522 run_bbp_write(sc, 64, 0x37 - sc->lna[group]);
3523 run_bbp_write(sc, 86, 0x00);
3524
3525 if (group == 0) {
3526 if (sc->ext_2ghz_lna) {
3527 run_bbp_write(sc, 82, 0x62);
3528 run_bbp_write(sc, 75, 0x46);
3529 } else {
3530 run_bbp_write(sc, 82, 0x84);
3531 run_bbp_write(sc, 75, 0x50);
3532 }
3533 } else {
3534 if (sc->mac_ver == 0x3572)
3535 run_bbp_write(sc, 82, 0x94);
3536 else
3537 run_bbp_write(sc, 82, 0xf2);
3538 if (sc->ext_5ghz_lna)
3539 run_bbp_write(sc, 75, 0x46);
3540 else
3541 run_bbp_write(sc, 75, 0x50);
3542 }
3543
3544 run_read(sc, RT2860_TX_BAND_CFG, &tmp);
3545 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P);
3546 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P;
3547 run_write(sc, RT2860_TX_BAND_CFG, tmp);
3548
3549 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */
3550 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN;
3551 if (sc->nrxchains > 1)
3552 tmp |= RT2860_LNA_PE1_EN;
3553 if (group == 0) { /* 2GHz */
3554 tmp |= RT2860_PA_PE_G0_EN;
3555 if (sc->ntxchains > 1)
3556 tmp |= RT2860_PA_PE_G1_EN;
3557 } else { /* 5GHz */
3558 tmp |= RT2860_PA_PE_A0_EN;
3559 if (sc->ntxchains > 1)
3560 tmp |= RT2860_PA_PE_A1_EN;
3561 }
3562 if (sc->mac_ver == 0x3572) {
3563 run_rt3070_rf_write(sc, 8, 0x00);
3564 run_write(sc, RT2860_TX_PIN_CFG, tmp);
3565 run_rt3070_rf_write(sc, 8, 0x80);
3566 } else
3567 run_write(sc, RT2860_TX_PIN_CFG, tmp);
3568
3569 /* set initial AGC value */
3570 if (group == 0) { /* 2GHz band */
3571 if (sc->mac_ver >= 0x3070)
3572 agc = 0x1c + sc->lna[0] * 2;
3573 else
3574 agc = 0x2e + sc->lna[0];
3575 } else { /* 5GHz band */
3576 if (sc->mac_ver == 0x3572)
3577 agc = 0x22 + (sc->lna[group] * 5) / 3;
3578 else
3579 agc = 0x32 + (sc->lna[group] * 5) / 3;
3580 }
3581 run_set_agc(sc, agc);
3582}
3583
3584static void
3585run_rt2870_set_chan(struct run_softc *sc, uint32_t chan)
3586{
3587 const struct rfprog *rfprog = rt2860_rf2850;
3588 uint32_t r2, r3, r4;
3589 int8_t txpow1, txpow2;
3590 int i;
3591
3592 /* find the settings for this channel (we know it exists) */
3593 for (i = 0; rfprog[i].chan != chan; i++);
3594
3595 r2 = rfprog[i].r2;
3596 if (sc->ntxchains == 1)
3597 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */
3598 if (sc->nrxchains == 1)
3599 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
3600 else if (sc->nrxchains == 2)
3601 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */
3602
3603 /* use Tx power values from EEPROM */
3604 txpow1 = sc->txpow1[i];
3605 txpow2 = sc->txpow2[i];
3606 if (chan > 14) {
3607 if (txpow1 >= 0)
3608 txpow1 = txpow1 << 1 | 1;
3609 else
3610 txpow1 = (7 + txpow1) << 1;
3611 if (txpow2 >= 0)
3612 txpow2 = txpow2 << 1 | 1;
3613 else
3614 txpow2 = (7 + txpow2) << 1;
3615 }
3616 r3 = rfprog[i].r3 | txpow1 << 7;
3617 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4;
3618
3619 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
3620 run_rt2870_rf_write(sc, RT2860_RF2, r2);
3621 run_rt2870_rf_write(sc, RT2860_RF3, r3);
3622 run_rt2870_rf_write(sc, RT2860_RF4, r4);
3623
3624 run_delay(sc, 10);
3625
3626 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
3627 run_rt2870_rf_write(sc, RT2860_RF2, r2);
3628 run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1);
3629 run_rt2870_rf_write(sc, RT2860_RF4, r4);
3630
3631 run_delay(sc, 10);
3632
3633 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
3634 run_rt2870_rf_write(sc, RT2860_RF2, r2);
3635 run_rt2870_rf_write(sc, RT2860_RF3, r3);
3636 run_rt2870_rf_write(sc, RT2860_RF4, r4);
3637}
3638
3639static void
3640run_rt3070_set_chan(struct run_softc *sc, uint32_t chan)
3641{
3642 int8_t txpow1, txpow2;
3643 uint8_t rf;
3644 int i;
3645
3646 /* RT3070 is 2GHz only */
3647 KASSERT(chan >= 1 && chan <= 14, ("wrong channel selected\n"));
3648
3649 /* find the settings for this channel (we know it exists) */
3650 for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3651
3652 /* use Tx power values from EEPROM */
3653 txpow1 = sc->txpow1[i];
3654 txpow2 = sc->txpow2[i];
3655
3656 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
3657 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
3658 run_rt3070_rf_read(sc, 6, &rf);
3659 rf = (rf & ~0x03) | rt3070_freqs[i].r;
3660 run_rt3070_rf_write(sc, 6, rf);
3661
3662 /* set Tx0 power */
3663 run_rt3070_rf_read(sc, 12, &rf);
3664 rf = (rf & ~0x1f) | txpow1;
3665 run_rt3070_rf_write(sc, 12, rf);
3666
3667 /* set Tx1 power */
3668 run_rt3070_rf_read(sc, 13, &rf);
3669 rf = (rf & ~0x1f) | txpow2;
3670 run_rt3070_rf_write(sc, 13, rf);
3671
3672 run_rt3070_rf_read(sc, 1, &rf);
3673 rf &= ~0xfc;
3674 if (sc->ntxchains == 1)
3675 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */
3676 else if (sc->ntxchains == 2)
3677 rf |= 1 << 7; /* 2T: disable Tx chain 3 */
3678 if (sc->nrxchains == 1)
3679 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
3680 else if (sc->nrxchains == 2)
3681 rf |= 1 << 6; /* 2R: disable Rx chain 3 */
3682 run_rt3070_rf_write(sc, 1, rf);
3683
3684 /* set RF offset */
3685 run_rt3070_rf_read(sc, 23, &rf);
3686 rf = (rf & ~0x7f) | sc->freq;
3687 run_rt3070_rf_write(sc, 23, rf);
3688
3689 /* program RF filter */
3690 run_rt3070_rf_read(sc, 24, &rf); /* Tx */
3691 rf = (rf & ~0x3f) | sc->rf24_20mhz;
3692 run_rt3070_rf_write(sc, 24, rf);
3693 run_rt3070_rf_read(sc, 31, &rf); /* Rx */
3694 rf = (rf & ~0x3f) | sc->rf24_20mhz;
3695 run_rt3070_rf_write(sc, 31, rf);
3696
3697 /* enable RF tuning */
3698 run_rt3070_rf_read(sc, 7, &rf);
3699 run_rt3070_rf_write(sc, 7, rf | 0x01);
3700}
3701
3702static void
3703run_rt3572_set_chan(struct run_softc *sc, u_int chan)
3704{
3705 int8_t txpow1, txpow2;
3706 uint32_t tmp;
3707 uint8_t rf;
3708 int i;
3709
3710 /* find the settings for this channel (we know it exists) */
3711 for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3712
3713 /* use Tx power values from EEPROM */
3714 txpow1 = sc->txpow1[i];
3715 txpow2 = sc->txpow2[i];
3716
3717 if (chan <= 14) {
3718 run_bbp_write(sc, 25, sc->bbp25);
3719 run_bbp_write(sc, 26, sc->bbp26);
3720 } else {
3721 /* enable IQ phase correction */
3722 run_bbp_write(sc, 25, 0x09);
3723 run_bbp_write(sc, 26, 0xff);
3724 }
3725
3726 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
3727 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
3728 run_rt3070_rf_read(sc, 6, &rf);
3729 rf = (rf & ~0x0f) | rt3070_freqs[i].r;
3730 rf |= (chan <= 14) ? 0x08 : 0x04;
3731 run_rt3070_rf_write(sc, 6, rf);
3732
3733 /* set PLL mode */
3734 run_rt3070_rf_read(sc, 5, &rf);
3735 rf &= ~(0x08 | 0x04);
3736 rf |= (chan <= 14) ? 0x04 : 0x08;
3737 run_rt3070_rf_write(sc, 5, rf);
3738
3739 /* set Tx power for chain 0 */
3740 if (chan <= 14)
3741 rf = 0x60 | txpow1;
3742 else
3743 rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3);
3744 run_rt3070_rf_write(sc, 12, rf);
3745
3746 /* set Tx power for chain 1 */
3747 if (chan <= 14)
3748 rf = 0x60 | txpow2;
3749 else
3750 rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3);
3751 run_rt3070_rf_write(sc, 13, rf);
3752
3753 /* set Tx/Rx streams */
3754 run_rt3070_rf_read(sc, 1, &rf);
3755 rf &= ~0xfc;
3756 if (sc->ntxchains == 1)
3757 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */
3758 else if (sc->ntxchains == 2)
3759 rf |= 1 << 7; /* 2T: disable Tx chain 3 */
3760 if (sc->nrxchains == 1)
3761 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
3762 else if (sc->nrxchains == 2)
3763 rf |= 1 << 6; /* 2R: disable Rx chain 3 */
3764 run_rt3070_rf_write(sc, 1, rf);
3765
3766 /* set RF offset */
3767 run_rt3070_rf_read(sc, 23, &rf);
3768 rf = (rf & ~0x7f) | sc->freq;
3769 run_rt3070_rf_write(sc, 23, rf);
3770
3771 /* program RF filter */
3772 rf = sc->rf24_20mhz;
3773 run_rt3070_rf_write(sc, 24, rf); /* Tx */
3774 run_rt3070_rf_write(sc, 31, rf); /* Rx */
3775
3776 /* enable RF tuning */
3777 run_rt3070_rf_read(sc, 7, &rf);
3778 rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14);
3779 run_rt3070_rf_write(sc, 7, rf);
3780
3781 /* TSSI */
3782 rf = (chan <= 14) ? 0xc3 : 0xc0;
3783 run_rt3070_rf_write(sc, 9, rf);
3784
3785 /* set loop filter 1 */
3786 run_rt3070_rf_write(sc, 10, 0xf1);
3787 /* set loop filter 2 */
3788 run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00);
3789
3790 /* set tx_mx2_ic */
3791 run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43);
3792 /* set tx_mx1_ic */
3793 if (chan <= 14)
3794 rf = 0x48 | sc->txmixgain_2ghz;
3795 else
3796 rf = 0x78 | sc->txmixgain_5ghz;
3797 run_rt3070_rf_write(sc, 16, rf);
3798
3799 /* set tx_lo1 */
3800 run_rt3070_rf_write(sc, 17, 0x23);
3801 /* set tx_lo2 */
3802 if (chan <= 14)
3803 rf = 0x93;
3804 else if (chan <= 64)
3805 rf = 0xb7;
3806 else if (chan <= 128)
3807 rf = 0x74;
3808 else
3809 rf = 0x72;
3810 run_rt3070_rf_write(sc, 19, rf);
3811
3812 /* set rx_lo1 */
3813 if (chan <= 14)
3814 rf = 0xb3;
3815 else if (chan <= 64)
3816 rf = 0xf6;
3817 else if (chan <= 128)
3818 rf = 0xf4;
3819 else
3820 rf = 0xf3;
3821 run_rt3070_rf_write(sc, 20, rf);
3822
3823 /* set pfd_delay */
3824 if (chan <= 14)
3825 rf = 0x15;
3826 else if (chan <= 64)
3827 rf = 0x3d;
3828 else
3829 rf = 0x01;
3830 run_rt3070_rf_write(sc, 25, rf);
3831
3832 /* set rx_lo2 */
3833 run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87);
3834 /* set ldo_rf_vc */
3835 run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01);
3836 /* set drv_cc */
3837 run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f);
3838
3839 run_read(sc, RT2860_GPIO_CTRL, &tmp);
3840 tmp &= ~0x8080;
3841 if (chan <= 14)
3842 tmp |= 0x80;
3843 run_write(sc, RT2860_GPIO_CTRL, tmp);
3844
3845 /* enable RF tuning */
3846 run_rt3070_rf_read(sc, 7, &rf);
3847 run_rt3070_rf_write(sc, 7, rf | 0x01);
3848
3849 run_delay(sc, 2);
3850}
3851
3852static void
3853run_set_rx_antenna(struct run_softc *sc, int aux)
3854{
3855 uint32_t tmp;
3856
3857 if (aux) {
3858 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 0);
3859 run_read(sc, RT2860_GPIO_CTRL, &tmp);
3860 run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08);
3861 } else {
3862 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 1);
3863 run_read(sc, RT2860_GPIO_CTRL, &tmp);
3864 run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808);
3865 }
3866}
3867
3868static int
3869run_set_chan(struct run_softc *sc, struct ieee80211_channel *c)
3870{
3871 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
3872 uint32_t chan, group;
3873
3874 chan = ieee80211_chan2ieee(ic, c);
3875 if (chan == 0 || chan == IEEE80211_CHAN_ANY)
3876 return (EINVAL);
3877
3878 if (sc->mac_ver == 0x3572)
3879 run_rt3572_set_chan(sc, chan);
3880 else if (sc->mac_ver >= 0x3070)
3881 run_rt3070_set_chan(sc, chan);
3882 else
3883 run_rt2870_set_chan(sc, chan);
3884
3885 /* determine channel group */
3886 if (chan <= 14)
3887 group = 0;
3888 else if (chan <= 64)
3889 group = 1;
3890 else if (chan <= 128)
3891 group = 2;
3892 else
3893 group = 3;
3894
3895 /* XXX necessary only when group has changed! */
3896 run_select_chan_group(sc, group);
3897
3898 run_delay(sc, 10);
3899
3900 return (0);
3901}
3902
3903static void
3904run_set_channel(struct ieee80211com *ic)
3905{
3906 struct run_softc *sc = ic->ic_ifp->if_softc;
3907
3908 RUN_LOCK(sc);
3909 run_set_chan(sc, ic->ic_curchan);
3910 RUN_UNLOCK(sc);
3911
3912 return;
3913}
3914
3915static void
3916run_scan_start(struct ieee80211com *ic)
3917{
3918 struct run_softc *sc = ic->ic_ifp->if_softc;
3919 uint32_t tmp;
3920
3921 RUN_LOCK(sc);
3922
3923 /* abort TSF synchronization */
3924 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
3925 run_write(sc, RT2860_BCN_TIME_CFG,
3926 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
3927 RT2860_TBTT_TIMER_EN));
3928 run_set_bssid(sc, sc->sc_ifp->if_broadcastaddr);
3929
3930 RUN_UNLOCK(sc);
3931
3932 return;
3933}
3934
3935static void
3936run_scan_end(struct ieee80211com *ic)
3937{
3938 struct run_softc *sc = ic->ic_ifp->if_softc;
3939
3940 RUN_LOCK(sc);
3941
3942 run_enable_tsf_sync(sc);
3943 /* XXX keep local copy */
3944 run_set_bssid(sc, sc->sc_bssid);
3945
3946 RUN_UNLOCK(sc);
3947
3948 return;
3949}
3950
3951/*
3952 * Could be called from ieee80211_node_timeout()
3953 * (non-sleepable thread)
3954 */
3955static void
3956run_update_beacon(struct ieee80211vap *vap, int item)
3957{
3958 struct ieee80211com *ic = vap->iv_ic;
3959 struct run_softc *sc = ic->ic_ifp->if_softc;
3960 struct run_vap *rvp = RUN_VAP(vap);
3961 int mcast = 0;
3962 uint32_t i;
3963
3964 KASSERT(vap != NULL, ("no beacon"));
3965
3966 switch (item) {
3967 case IEEE80211_BEACON_ERP:
3968 run_updateslot(ic->ic_ifp);
3969 break;
3970 case IEEE80211_BEACON_HTINFO:
3971 run_updateprot(ic);
3972 break;
3973 case IEEE80211_BEACON_TIM:
3974 mcast = 1; /*TODO*/
3975 break;
3976 default:
3977 break;
3978 }
3979
3980 setbit(rvp->bo.bo_flags, item);
3981 ieee80211_beacon_update(vap->iv_bss, &rvp->bo, rvp->beacon_mbuf, mcast);
3982
3983 i = RUN_CMDQ_GET(&sc->cmdq_store);
3984 DPRINTF("cmdq_store=%d\n", i);
3985 sc->cmdq[i].func = run_update_beacon_cb;
3986 sc->cmdq[i].arg0 = vap;
3987 ieee80211_runtask(ic, &sc->cmdq_task);
3988
3989 return;
3990}
3991
3992static void
3993run_update_beacon_cb(void *arg)
3994{
3995 struct ieee80211vap *vap = arg;
3996 struct run_vap *rvp = RUN_VAP(vap);
3997 struct ieee80211com *ic = vap->iv_ic;
3998 struct run_softc *sc = ic->ic_ifp->if_softc;
3999 struct rt2860_txwi txwi;
4000 struct mbuf *m;
4001 uint8_t ridx;
4002
4003 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC)
4004 return;
10f2cea7
SW
4005 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC)
4006 return;
12bd3c8b
SW
4007
4008 /*
4009 * No need to call ieee80211_beacon_update(), run_update_beacon()
4010 * is taking care of apropriate calls.
4011 */
4012 if (rvp->beacon_mbuf == NULL) {
4013 rvp->beacon_mbuf = ieee80211_beacon_alloc(vap->iv_bss,
4014 &rvp->bo);
4015 if (rvp->beacon_mbuf == NULL)
4016 return;
4017 }
4018 m = rvp->beacon_mbuf;
4019
4020 memset(&txwi, 0, sizeof txwi);
4021 txwi.wcid = 0xff;
4022 txwi.len = htole16(m->m_pkthdr.len);
4023 /* send beacons at the lowest available rate */
4024 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
4025 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
4026 txwi.phy = htole16(rt2860_rates[ridx].mcs);
4027 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM)
4028 txwi.phy |= htole16(RT2860_PHY_OFDM);
4029 txwi.txop = RT2860_TX_TXOP_HT;
4030 txwi.flags = RT2860_TX_TS;
4031 txwi.xflags = RT2860_TX_NSEQ;
4032
4033 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id),
4034 (uint8_t *)&txwi, sizeof txwi);
4035 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id) + sizeof txwi,
4036 mtod(m, uint8_t *), (m->m_pkthdr.len + 1) & ~1); /* roundup len */
4037
4038 return;
4039}
4040
4041static void
4042run_updateprot(struct ieee80211com *ic)
4043{
4044 struct run_softc *sc = ic->ic_ifp->if_softc;
4045 uint32_t i;
4046
4047 i = RUN_CMDQ_GET(&sc->cmdq_store);
4048 DPRINTF("cmdq_store=%d\n", i);
4049 sc->cmdq[i].func = run_updateprot_cb;
4050 sc->cmdq[i].arg0 = ic;
4051 ieee80211_runtask(ic, &sc->cmdq_task);
4052}
4053
4054static void
4055run_updateprot_cb(void *arg)
4056{
4057 struct ieee80211com *ic = arg;
4058 struct run_softc *sc = ic->ic_ifp->if_softc;
4059 uint32_t tmp;
4060
4061 tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL;
4062 /* setup protection frame rate (MCS code) */
4063 tmp |= (ic->ic_curmode == IEEE80211_MODE_11A) ?
4064 rt2860_rates[RT2860_RIDX_OFDM6].mcs :
4065 rt2860_rates[RT2860_RIDX_CCK11].mcs;
4066
4067 /* CCK frames don't require protection */
4068 run_write(sc, RT2860_CCK_PROT_CFG, tmp);
4069 if (ic->ic_flags & IEEE80211_F_USEPROT) {
4070 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
4071 tmp |= RT2860_PROT_CTRL_RTS_CTS;
4072 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
4073 tmp |= RT2860_PROT_CTRL_CTS;
4074 }
4075 run_write(sc, RT2860_OFDM_PROT_CFG, tmp);
4076}
4077
4078static void
4079run_usb_timeout_cb(void *arg)
4080{
4081 struct ieee80211vap *vap = arg;
4082 struct run_softc *sc = vap->iv_ic->ic_ifp->if_softc;
4083
4084 RUN_LOCK_ASSERT(sc, MA_OWNED);
4085
4086 if(vap->iv_state == IEEE80211_S_RUN &&