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.
17 */
18
19#include <sys/cdefs.h>
20__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_run.c 226534 2011-10-19 10:09:01Z hselasky $");
21
22/*-
23 * Ralink Technology RT2700U/RT2800U/RT3000U chipset driver.
24 * http://www.ralinktech.com/
25 */
26
27#include <sys/param.h>
28#include <sys/sockio.h>
29#include <sys/sysctl.h>
30#include <sys/lock.h>
31#include <sys/mutex.h>
32#include <sys/mbuf.h>
33#include <sys/kernel.h>
34#include <sys/socket.h>
35#include <sys/systm.h>
36#include <sys/malloc.h>
37#include <sys/module.h>
38#include <sys/bus.h>
39#include <sys/endian.h>
40#include <sys/linker.h>
41#include <sys/firmware.h>
42#include <sys/kdb.h>
43
44#include <machine/bus.h>
45#include <machine/resource.h>
46#include <sys/rman.h>
47
48#include <net/bpf.h>
49#include <net/if.h>
50#include <net/if_arp.h>
51#include <net/ethernet.h>
52#include <net/if_dl.h>
53#include <net/if_media.h>
54#include <net/if_types.h>
55
56#include <netinet/in.h>
57#include <netinet/in_systm.h>
58#include <netinet/in_var.h>
59#include <netinet/if_ether.h>
60#include <netinet/ip.h>
61
62#include <net80211/ieee80211_var.h>
63#include <net80211/ieee80211_regdomain.h>
64#include <net80211/ieee80211_radiotap.h>
65#include <net80211/ieee80211_ratectl.h>
66
67#include <dev/usb/usb.h>
68#include <dev/usb/usbdi.h>
69#include "usbdevs.h"
70
71#define USB_DEBUG_VAR run_debug
72#include <dev/usb/usb_debug.h>
73
74#include <dev/usb/wlan/if_runreg.h>
75#include <dev/usb/wlan/if_runvar.h>
76
77#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
78
79#ifdef USB_DEBUG
80#define RUN_DEBUG
81#endif
82
83#ifdef RUN_DEBUG
84int run_debug = 0;
85SYSCTL_NODE(_hw_usb, OID_AUTO, run, CTLFLAG_RW, 0, "USB run");
86SYSCTL_INT(_hw_usb_run, OID_AUTO, debug, CTLFLAG_RW, &run_debug, 0,
87 "run debug level");
88#endif
89
90#define IEEE80211_HAS_ADDR4(wh) \
91 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
92
93/*
94 * Because of LOR in run_key_delete(), use atomic instead.
95 * '& RUN_CMDQ_MASQ' is to loop cmdq[].
96 */
97#define RUN_CMDQ_GET(c) (atomic_fetchadd_32((c), 1) & RUN_CMDQ_MASQ)
98
99static const STRUCT_USB_HOST_ID run_devs[] = {
100#define RUN_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
101 RUN_DEV(ABOCOM, RT2770),
102 RUN_DEV(ABOCOM, RT2870),
103 RUN_DEV(ABOCOM, RT3070),
104 RUN_DEV(ABOCOM, RT3071),
105 RUN_DEV(ABOCOM, RT3072),
106 RUN_DEV(ABOCOM2, RT2870_1),
107 RUN_DEV(ACCTON, RT2770),
108 RUN_DEV(ACCTON, RT2870_1),
109 RUN_DEV(ACCTON, RT2870_2),
110 RUN_DEV(ACCTON, RT2870_3),
111 RUN_DEV(ACCTON, RT2870_4),
112 RUN_DEV(ACCTON, RT2870_5),
113 RUN_DEV(ACCTON, RT3070),
114 RUN_DEV(ACCTON, RT3070_1),
115 RUN_DEV(ACCTON, RT3070_2),
116 RUN_DEV(ACCTON, RT3070_3),
117 RUN_DEV(ACCTON, RT3070_4),
118 RUN_DEV(ACCTON, RT3070_5),
119 RUN_DEV(AIRTIES, RT3070),
120 RUN_DEV(ALLWIN, RT2070),
121 RUN_DEV(ALLWIN, RT2770),
122 RUN_DEV(ALLWIN, RT2870),
123 RUN_DEV(ALLWIN, RT3070),
124 RUN_DEV(ALLWIN, RT3071),
125 RUN_DEV(ALLWIN, RT3072),
126 RUN_DEV(ALLWIN, RT3572),
127 RUN_DEV(AMIGO, RT2870_1),
128 RUN_DEV(AMIGO, RT2870_2),
129 RUN_DEV(AMIT, CGWLUSB2GNR),
130 RUN_DEV(AMIT, RT2870_1),
131 RUN_DEV(AMIT2, RT2870),
132 RUN_DEV(ASUS, RT2870_1),
133 RUN_DEV(ASUS, RT2870_2),
134 RUN_DEV(ASUS, RT2870_3),
135 RUN_DEV(ASUS, RT2870_4),
136 RUN_DEV(ASUS, RT2870_5),
137 RUN_DEV(ASUS, USBN13),
138 RUN_DEV(ASUS, RT3070_1),
139 RUN_DEV(ASUS2, USBN11),
140 RUN_DEV(AZUREWAVE, RT2870_1),
141 RUN_DEV(AZUREWAVE, RT2870_2),
142 RUN_DEV(AZUREWAVE, RT3070_1),
143 RUN_DEV(AZUREWAVE, RT3070_2),
144 RUN_DEV(AZUREWAVE, RT3070_3),
145 RUN_DEV(BELKIN, F5D8053V3),
146 RUN_DEV(BELKIN, F5D8055),
147 RUN_DEV(BELKIN, F5D8055V2),
148 RUN_DEV(BELKIN, F6D4050V1),
149 RUN_DEV(BELKIN, RT2870_1),
150 RUN_DEV(BELKIN, RT2870_2),
151 RUN_DEV(CISCOLINKSYS, AE1000),
152 RUN_DEV(CISCOLINKSYS2, RT3070),
153 RUN_DEV(CISCOLINKSYS3, RT3070),
154 RUN_DEV(CONCEPTRONIC2, RT2870_1),
155 RUN_DEV(CONCEPTRONIC2, RT2870_2),
156 RUN_DEV(CONCEPTRONIC2, RT2870_3),
157 RUN_DEV(CONCEPTRONIC2, RT2870_4),
158 RUN_DEV(CONCEPTRONIC2, RT2870_5),
159 RUN_DEV(CONCEPTRONIC2, RT2870_6),
160 RUN_DEV(CONCEPTRONIC2, RT2870_7),
161 RUN_DEV(CONCEPTRONIC2, RT2870_8),
162 RUN_DEV(CONCEPTRONIC2, RT3070_1),
163 RUN_DEV(CONCEPTRONIC2, RT3070_2),
164 RUN_DEV(CONCEPTRONIC2, VIGORN61),
165 RUN_DEV(COREGA, CGWLUSB300GNM),
166 RUN_DEV(COREGA, RT2870_1),
167 RUN_DEV(COREGA, RT2870_2),
168 RUN_DEV(COREGA, RT2870_3),
169 RUN_DEV(COREGA, RT3070),
170 RUN_DEV(CYBERTAN, RT2870),
171 RUN_DEV(DLINK, RT2870),
172 RUN_DEV(DLINK, RT3072),
173 RUN_DEV(DLINK2, DWA130),
174 RUN_DEV(DLINK2, RT2870_1),
175 RUN_DEV(DLINK2, RT2870_2),
176 RUN_DEV(DLINK2, RT3070_1),
177 RUN_DEV(DLINK2, RT3070_2),
178 RUN_DEV(DLINK2, RT3070_3),
179 RUN_DEV(DLINK2, RT3070_4),
180 RUN_DEV(DLINK2, RT3070_5),
181 RUN_DEV(DLINK2, RT3072),
182 RUN_DEV(DLINK2, RT3072_1),
183 RUN_DEV(EDIMAX, EW7717),
184 RUN_DEV(EDIMAX, EW7718),
185 RUN_DEV(EDIMAX, RT2870_1),
186 RUN_DEV(ENCORE, RT3070_1),
187 RUN_DEV(ENCORE, RT3070_2),
188 RUN_DEV(ENCORE, RT3070_3),
189 RUN_DEV(GIGABYTE, GNWB31N),
190 RUN_DEV(GIGABYTE, GNWB32L),
191 RUN_DEV(GIGABYTE, RT2870_1),
192 RUN_DEV(GIGASET, RT3070_1),
193 RUN_DEV(GIGASET, RT3070_2),
194 RUN_DEV(GUILLEMOT, HWNU300),
195 RUN_DEV(HAWKING, HWUN2),
196 RUN_DEV(HAWKING, RT2870_1),
197 RUN_DEV(HAWKING, RT2870_2),
198 RUN_DEV(HAWKING, RT3070),
199 RUN_DEV(IODATA, RT3072_1),
200 RUN_DEV(IODATA, RT3072_2),
201 RUN_DEV(IODATA, RT3072_3),
202 RUN_DEV(IODATA, RT3072_4),
203 RUN_DEV(LINKSYS4, RT3070),
204 RUN_DEV(LINKSYS4, WUSB100),
205 RUN_DEV(LINKSYS4, WUSB54GCV3),
206 RUN_DEV(LINKSYS4, WUSB600N),
207 RUN_DEV(LINKSYS4, WUSB600NV2),
208 RUN_DEV(LOGITEC, RT2870_1),
209 RUN_DEV(LOGITEC, RT2870_2),
210 RUN_DEV(LOGITEC, RT2870_3),
211 RUN_DEV(MELCO, RT2870_1),
212 RUN_DEV(MELCO, RT2870_2),
213 RUN_DEV(MELCO, WLIUCAG300N),
214 RUN_DEV(MELCO, WLIUCG300N),
215 RUN_DEV(MELCO, WLIUCG301N),
216 RUN_DEV(MELCO, WLIUCGN),
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 name[IFNAMSIZ], int unit, int opmode, int flags,
317 const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t
318 mac[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 *);
380static void run_start(struct ifnet *);
381static int run_ioctl(struct ifnet *, u_long, caddr_t);
382static void run_set_agc(struct run_softc *, uint8_t);
383static void run_select_chan_group(struct run_softc *, int);
384static void run_set_rx_antenna(struct run_softc *, int);
385static void run_rt2870_set_chan(struct run_softc *, u_int);
386static void run_rt3070_set_chan(struct run_softc *, u_int);
387static void run_rt3572_set_chan(struct run_softc *, u_int);
388static int run_set_chan(struct run_softc *, struct ieee80211_channel *);
389static void run_set_channel(struct ieee80211com *);
390static void run_scan_start(struct ieee80211com *);
391static void run_scan_end(struct ieee80211com *);
392static void run_update_beacon(struct ieee80211vap *, int);
393static void run_update_beacon_cb(void *);
394static void run_updateprot(struct ieee80211com *);
395static void run_updateprot_cb(void *);
396static void run_usb_timeout_cb(void *);
397static void run_reset_livelock(struct run_softc *);
398static void run_enable_tsf_sync(struct run_softc *);
399static void run_enable_mrr(struct run_softc *);
400static void run_set_txpreamble(struct run_softc *);
401static void run_set_basicrates(struct run_softc *);
402static void run_set_leds(struct run_softc *, uint16_t);
403static void run_set_bssid(struct run_softc *, const uint8_t *);
404static void run_set_macaddr(struct run_softc *, const uint8_t *);
405static void run_updateslot(struct ifnet *);
406static void run_updateslot_cb(void *);
407static void run_update_mcast(struct ifnet *);
408static int8_t run_rssi2dbm(struct run_softc *, uint8_t, uint8_t);
409static void run_update_promisc_locked(struct ifnet *);
410static void run_update_promisc(struct ifnet *);
411static int run_bbp_init(struct run_softc *);
412static int run_rt3070_rf_init(struct run_softc *);
413static int run_rt3070_filter_calib(struct run_softc *, uint8_t, uint8_t,
414 uint8_t *);
415static void run_rt3070_rf_setup(struct run_softc *);
416static int run_txrx_enable(struct run_softc *);
417static void run_init(void *);
418static void run_init_locked(struct run_softc *);
419static void run_stop(void *);
420static void run_delay(struct run_softc *, unsigned int);
421
422static const struct {
423 uint16_t reg;
424 uint32_t val;
425} rt2870_def_mac[] = {
426 RT2870_DEF_MAC
427};
428
429static const struct {
430 uint8_t reg;
431 uint8_t val;
432} rt2860_def_bbp[] = {
433 RT2860_DEF_BBP
434};
435
436static const struct rfprog {
437 uint8_t chan;
438 uint32_t r1, r2, r3, r4;
439} rt2860_rf2850[] = {
440 RT2860_RF2850
441};
442
443struct {
444 uint8_t n, r, k;
445} rt3070_freqs[] = {
446 RT3070_RF3052
447};
448
449static const struct {
450 uint8_t reg;
451 uint8_t val;
452} rt3070_def_rf[] = {
453 RT3070_DEF_RF
454},rt3572_def_rf[] = {
455 RT3572_DEF_RF
456};
457
458static const struct usb_config run_config[RUN_N_XFER] = {
459 [RUN_BULK_TX_BE] = {
460 .type = UE_BULK,
461 .endpoint = UE_ADDR_ANY,
462 .ep_index = 0,
463 .direction = UE_DIR_OUT,
464 .bufsize = RUN_MAX_TXSZ,
465 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
466 .callback = run_bulk_tx_callback0,
467 .timeout = 5000, /* ms */
468 },
469 [RUN_BULK_TX_BK] = {
470 .type = UE_BULK,
471 .endpoint = UE_ADDR_ANY,
472 .direction = UE_DIR_OUT,
473 .ep_index = 1,
474 .bufsize = RUN_MAX_TXSZ,
475 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
476 .callback = run_bulk_tx_callback1,
477 .timeout = 5000, /* ms */
478 },
479 [RUN_BULK_TX_VI] = {
480 .type = UE_BULK,
481 .endpoint = UE_ADDR_ANY,
482 .direction = UE_DIR_OUT,
483 .ep_index = 2,
484 .bufsize = RUN_MAX_TXSZ,
485 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
486 .callback = run_bulk_tx_callback2,
487 .timeout = 5000, /* ms */
488 },
489 [RUN_BULK_TX_VO] = {
490 .type = UE_BULK,
491 .endpoint = UE_ADDR_ANY,
492 .direction = UE_DIR_OUT,
493 .ep_index = 3,
494 .bufsize = RUN_MAX_TXSZ,
495 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
496 .callback = run_bulk_tx_callback3,
497 .timeout = 5000, /* ms */
498 },
499 [RUN_BULK_TX_HCCA] = {
500 .type = UE_BULK,
501 .endpoint = UE_ADDR_ANY,
502 .direction = UE_DIR_OUT,
503 .ep_index = 4,
504 .bufsize = RUN_MAX_TXSZ,
505 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
506 .callback = run_bulk_tx_callback4,
507 .timeout = 5000, /* ms */
508 },
509 [RUN_BULK_TX_PRIO] = {
510 .type = UE_BULK,
511 .endpoint = UE_ADDR_ANY,
512 .direction = UE_DIR_OUT,
513 .ep_index = 5,
514 .bufsize = RUN_MAX_TXSZ,
515 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
516 .callback = run_bulk_tx_callback5,
517 .timeout = 5000, /* ms */
518 },
519 [RUN_BULK_RX] = {
520 .type = UE_BULK,
521 .endpoint = UE_ADDR_ANY,
522 .direction = UE_DIR_IN,
523 .bufsize = RUN_MAX_RXSZ,
524 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
525 .callback = run_bulk_rx_callback,
526 }
527};
528
529static int
530run_match(device_t self)
531{
532 struct usb_attach_arg *uaa = device_get_ivars(self);
533
534 if (uaa->usb_mode != USB_MODE_HOST)
535 return (ENXIO);
536 if (uaa->info.bConfigIndex != 0)
537 return (ENXIO);
538 if (uaa->info.bIfaceIndex != RT2860_IFACE_INDEX)
539 return (ENXIO);
540
541 return (usbd_lookup_id_by_uaa(run_devs, sizeof(run_devs), uaa));
542}
543
544static int
545run_attach(device_t self)
546{
547 struct run_softc *sc = device_get_softc(self);
548 struct usb_attach_arg *uaa = device_get_ivars(self);
549 struct ieee80211com *ic;
550 struct ifnet *ifp;
551 uint32_t ver;
552 int i, ntries, error;
553 uint8_t iface_index, bands;
554
555 device_set_usb_desc(self);
556 sc->sc_udev = uaa->device;
557 sc->sc_dev = self;
558
559 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev),
560 MTX_NETWORK_LOCK, MTX_DEF);
561
562 iface_index = RT2860_IFACE_INDEX;
563
564 error = usbd_transfer_setup(uaa->device, &iface_index,
565 sc->sc_xfer, run_config, RUN_N_XFER, sc, &sc->sc_mtx);
566 if (error) {
567 device_printf(self, "could not allocate USB transfers, "
568 "err=%s\n", usbd_errstr(error));
569 goto detach;
570 }
571
572 RUN_LOCK(sc);
573
574 /* wait for the chip to settle */
575 for (ntries = 0; ntries < 100; ntries++) {
576 if (run_read(sc, RT2860_ASIC_VER_ID, &ver) != 0) {
577 RUN_UNLOCK(sc);
578 goto detach;
579 }
580 if (ver != 0 && ver != 0xffffffff)
581 break;
582 run_delay(sc, 10);
583 }
584 if (ntries == 100) {
585 device_printf(sc->sc_dev,
586 "timeout waiting for NIC to initialize\n");
587 RUN_UNLOCK(sc);
588 goto detach;
589 }
590 sc->mac_ver = ver >> 16;
591 sc->mac_rev = ver & 0xffff;
592
593 /* retrieve RF rev. no and various other things from EEPROM */
594 run_read_eeprom(sc);
595
596 device_printf(sc->sc_dev,
597 "MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), address %s\n",
598 sc->mac_ver, sc->mac_rev, run_get_rf(sc->rf_rev),
599 sc->ntxchains, sc->nrxchains, ether_sprintf(sc->sc_bssid));
600
601 if ((error = run_load_microcode(sc)) != 0) {
602 device_printf(sc->sc_dev, "could not load 8051 microcode\n");
603 RUN_UNLOCK(sc);
604 goto detach;
605 }
606
607 RUN_UNLOCK(sc);
608
609 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
610 if (ifp == NULL) {
611 device_printf(sc->sc_dev, "can not if_alloc()\n");
612 goto detach;
613 }
614 ic = ifp->if_l2com;
615
616 ifp->if_softc = sc;
617 if_initname(ifp, "run", device_get_unit(sc->sc_dev));
618 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
619 ifp->if_init = run_init;
620 ifp->if_ioctl = run_ioctl;
621 ifp->if_start = run_start;
622 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
623 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
624 IFQ_SET_READY(&ifp->if_snd);
625
626 ic->ic_ifp = ifp;
627 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
628 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
629
630 /* set device capabilities */
631 ic->ic_caps =
632 IEEE80211_C_STA | /* station mode supported */
633 IEEE80211_C_MONITOR | /* monitor mode supported */
634 IEEE80211_C_IBSS |
635 IEEE80211_C_HOSTAP |
636 IEEE80211_C_WDS | /* 4-address traffic works */
637 IEEE80211_C_MBSS |
638 IEEE80211_C_SHPREAMBLE | /* short preamble supported */
639 IEEE80211_C_SHSLOT | /* short slot time supported */
640 IEEE80211_C_WME | /* WME */
641 IEEE80211_C_WPA; /* WPA1|WPA2(RSN) */
642
643 ic->ic_cryptocaps =
644 IEEE80211_CRYPTO_WEP |
645 IEEE80211_CRYPTO_AES_CCM |
646 IEEE80211_CRYPTO_TKIPMIC |
647 IEEE80211_CRYPTO_TKIP;
648
649 ic->ic_flags |= IEEE80211_F_DATAPAD;
650 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
651
652 bands = 0;
653 setbit(&bands, IEEE80211_MODE_11B);
654 setbit(&bands, IEEE80211_MODE_11G);
655 ieee80211_init_channels(ic, NULL, &bands);
656
657 /*
658 * Do this by own because h/w supports
659 * more channels than ieee80211_init_channels()
660 */
661 if (sc->rf_rev == RT2860_RF_2750 ||
662 sc->rf_rev == RT2860_RF_2850 ||
663 sc->rf_rev == RT3070_RF_3052) {
664 /* set supported .11a rates */
665 for (i = 14; i < nitems(rt2860_rf2850); i++) {
666 uint8_t chan = rt2860_rf2850[i].chan;
667 ic->ic_channels[ic->ic_nchans].ic_freq =
668 ieee80211_ieee2mhz(chan, IEEE80211_CHAN_A);
669 ic->ic_channels[ic->ic_nchans].ic_ieee = chan;
670 ic->ic_channels[ic->ic_nchans].ic_flags = IEEE80211_CHAN_A;
671 ic->ic_channels[ic->ic_nchans].ic_extieee = 0;
672 ic->ic_nchans++;
673 }
674 }
675
676 ieee80211_ifattach(ic, sc->sc_bssid);
677
678 ic->ic_scan_start = run_scan_start;
679 ic->ic_scan_end = run_scan_end;
680 ic->ic_set_channel = run_set_channel;
681 ic->ic_node_alloc = run_node_alloc;
682 ic->ic_newassoc = run_newassoc;
683 ic->ic_updateslot = run_updateslot;
684 ic->ic_update_mcast = run_update_mcast;
685 ic->ic_wme.wme_update = run_wme_update;
686 ic->ic_raw_xmit = run_raw_xmit;
687 ic->ic_update_promisc = run_update_promisc;
688
689 ic->ic_vap_create = run_vap_create;
690 ic->ic_vap_delete = run_vap_delete;
691
692 ieee80211_radiotap_attach(ic,
693 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
694 RUN_TX_RADIOTAP_PRESENT,
695 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
696 RUN_RX_RADIOTAP_PRESENT);
697
698 TASK_INIT(&sc->cmdq_task, 0, run_cmdq_cb, sc);
699 TASK_INIT(&sc->ratectl_task, 0, run_ratectl_cb, sc);
700 callout_init((struct callout *)&sc->ratectl_ch, 1);
701
702 if (bootverbose)
703 ieee80211_announce(ic);
704
705 return (0);
706
707detach:
708 run_detach(self);
709 return (ENXIO);
710}
711
712static int
713run_detach(device_t self)
714{
715 struct run_softc *sc = device_get_softc(self);
716 struct ifnet *ifp = sc->sc_ifp;
717 struct ieee80211com *ic;
718 int i;
719
720 /* stop all USB transfers */
721 usbd_transfer_unsetup(sc->sc_xfer, RUN_N_XFER);
722
723 RUN_LOCK(sc);
724
725 sc->ratectl_run = RUN_RATECTL_OFF;
726 sc->cmdq_run = sc->cmdq_key_set = RUN_CMDQ_ABORT;
727
728 /* free TX list, if any */
729 for (i = 0; i != RUN_EP_QUEUES; i++)
730 run_unsetup_tx_list(sc, &sc->sc_epq[i]);
731 RUN_UNLOCK(sc);
732
733 if (ifp) {
734 ic = ifp->if_l2com;
735 /* drain tasks */
736 usb_callout_drain(&sc->ratectl_ch);
737 ieee80211_draintask(ic, &sc->cmdq_task);
738 ieee80211_draintask(ic, &sc->ratectl_task);
739 ieee80211_ifdetach(ic);
740 if_free(ifp);
741 }
742
743 mtx_destroy(&sc->sc_mtx);
744
745 return (0);
746}
747
748static struct ieee80211vap *
749run_vap_create(struct ieee80211com *ic,
750 const char name[IFNAMSIZ], int unit, int opmode, int flags,
751 const uint8_t bssid[IEEE80211_ADDR_LEN],
752 const uint8_t mac[IEEE80211_ADDR_LEN])
753{
754 struct ifnet *ifp = ic->ic_ifp;
755 struct run_softc *sc = ifp->if_softc;
756 struct run_vap *rvp;
757 struct ieee80211vap *vap;
758 int i;
759
760 if (sc->rvp_cnt >= RUN_VAP_MAX) {
761 if_printf(ifp, "number of VAPs maxed out\n");
762 return (NULL);
763 }
764
765 switch (opmode) {
766 case IEEE80211_M_STA:
767 /* enable s/w bmiss handling for sta mode */
768 flags |= IEEE80211_CLONE_NOBEACONS;
769 /* fall though */
770 case IEEE80211_M_IBSS:
771 case IEEE80211_M_MONITOR:
772 case IEEE80211_M_HOSTAP:
773 case IEEE80211_M_MBSS:
774 /* other than WDS vaps, only one at a time */
775 if (!TAILQ_EMPTY(&ic->ic_vaps))
776 return (NULL);
777 break;
778 case IEEE80211_M_WDS:
779 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next){
780 if(vap->iv_opmode != IEEE80211_M_HOSTAP)
781 continue;
782 /* WDS vap's always share the local mac address. */
783 flags &= ~IEEE80211_CLONE_BSSID;
784 break;
785 }
786 if (vap == NULL) {
787 if_printf(ifp, "wds only supported in ap mode\n");
788 return (NULL);
789 }
790 break;
791 default:
792 if_printf(ifp, "unknown opmode %d\n", opmode);
793 return (NULL);
794 }
795
796 rvp = (struct run_vap *) malloc(sizeof(struct run_vap),
797 M_80211_VAP, M_NOWAIT | M_ZERO);
798 if (rvp == NULL)
799 return (NULL);
800 vap = &rvp->vap;
801 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
802
803 vap->iv_key_update_begin = run_key_update_begin;
804 vap->iv_key_update_end = run_key_update_end;
805 vap->iv_update_beacon = run_update_beacon;
806 vap->iv_max_aid = RT2870_WCID_MAX;
807 /*
808 * To delete the right key from h/w, we need wcid.
809 * Luckily, there is unused space in ieee80211_key{}, wk_pad,
810 * and matching wcid will be written into there. So, cast
811 * some spells to remove 'const' from ieee80211_key{}
812 */
813 vap->iv_key_delete = (void *)run_key_delete;
814 vap->iv_key_set = (void *)run_key_set;
815
816 /* override state transition machine */
817 rvp->newstate = vap->iv_newstate;
818 vap->iv_newstate = run_newstate;
819
820 ieee80211_ratectl_init(vap);
821 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
822
823 /* complete setup */
824 ieee80211_vap_attach(vap, run_media_change, ieee80211_media_status);
825
826 /* make sure id is always unique */
827 for (i = 0; i < RUN_VAP_MAX; i++) {
828 if((sc->rvp_bmap & 1 << i) == 0){
829 sc->rvp_bmap |= 1 << i;
830 rvp->rvp_id = i;
831 break;
832 }
833 }
834 if (sc->rvp_cnt++ == 0)
835 ic->ic_opmode = opmode;
836
837 if (opmode == IEEE80211_M_HOSTAP)
838 sc->cmdq_run = RUN_CMDQ_GO;
839
840 DPRINTF("rvp_id=%d bmap=%x rvp_cnt=%d\n",
841 rvp->rvp_id, sc->rvp_bmap, sc->rvp_cnt);
842
843 return (vap);
844}
845
846static void
847run_vap_delete(struct ieee80211vap *vap)
848{
849 struct run_vap *rvp = RUN_VAP(vap);
850 struct ifnet *ifp;
851 struct ieee80211com *ic;
852 struct run_softc *sc;
853 uint8_t rvp_id;
854
855 if (vap == NULL)
856 return;
857
858 ic = vap->iv_ic;
859 ifp = ic->ic_ifp;
860
861 sc = ifp->if_softc;
862
863 RUN_LOCK(sc);
864
865 m_freem(rvp->beacon_mbuf);
866 rvp->beacon_mbuf = NULL;
867
868 rvp_id = rvp->rvp_id;
869 sc->ratectl_run &= ~(1 << rvp_id);
870 sc->rvp_bmap &= ~(1 << rvp_id);
871 run_set_region_4(sc, RT2860_SKEY(rvp_id, 0), 0, 128);
872 run_set_region_4(sc, RT2860_BCN_BASE(rvp_id), 0, 512);
873 --sc->rvp_cnt;
874
875 DPRINTF("vap=%p rvp_id=%d bmap=%x rvp_cnt=%d\n",
876 vap, rvp_id, sc->rvp_bmap, sc->rvp_cnt);
877
878 RUN_UNLOCK(sc);
879
880 ieee80211_ratectl_deinit(vap);
881 ieee80211_vap_detach(vap);
882 free(rvp, M_80211_VAP);
883}
884
885/*
886 * There are numbers of functions need to be called in context thread.
887 * Rather than creating taskqueue event for each of those functions,
888 * here is all-for-one taskqueue callback function. This function
889 * gurantees deferred functions are executed in the same order they
890 * were enqueued.
891 * '& RUN_CMDQ_MASQ' is to loop cmdq[].
892 */
893static void
894run_cmdq_cb(void *arg, int pending)
895{
896 struct run_softc *sc = arg;
897 uint8_t i;
898
899 /* call cmdq[].func locked */
900 RUN_LOCK(sc);
901 for (i = sc->cmdq_exec; sc->cmdq[i].func && pending;
902 i = sc->cmdq_exec, pending--) {
903 DPRINTFN(6, "cmdq_exec=%d pending=%d\n", i, pending);
904 if (sc->cmdq_run == RUN_CMDQ_GO) {
905 /*
906 * If arg0 is NULL, callback func needs more
907 * than one arg. So, pass ptr to cmdq struct.
908 */
909 if (sc->cmdq[i].arg0)
910 sc->cmdq[i].func(sc->cmdq[i].arg0);
911 else
912 sc->cmdq[i].func(&sc->cmdq[i]);
913 }
914 sc->cmdq[i].arg0 = NULL;
915 sc->cmdq[i].func = NULL;
916 sc->cmdq_exec++;
917 sc->cmdq_exec &= RUN_CMDQ_MASQ;
918 }
919 RUN_UNLOCK(sc);
920}
921
922static void
923run_setup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq)
924{
925 struct run_tx_data *data;
926
927 memset(pq, 0, sizeof(*pq));
928
929 STAILQ_INIT(&pq->tx_qh);
930 STAILQ_INIT(&pq->tx_fh);
931
932 for (data = &pq->tx_data[0];
933 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) {
934 data->sc = sc;
935 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next);
936 }
937 pq->tx_nfree = RUN_TX_RING_COUNT;
938}
939
940static void
941run_unsetup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq)
942{
943 struct run_tx_data *data;
944
945 /* make sure any subsequent use of the queues will fail */
946 pq->tx_nfree = 0;
947 STAILQ_INIT(&pq->tx_fh);
948 STAILQ_INIT(&pq->tx_qh);
949
950 /* free up all node references and mbufs */
951 for (data = &pq->tx_data[0];
952 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) {
953 if (data->m != NULL) {
954 m_freem(data->m);
955 data->m = NULL;
956 }
957 if (data->ni != NULL) {
958 ieee80211_free_node(data->ni);
959 data->ni = NULL;
960 }
961 }
962}
963
964static int
965run_load_microcode(struct run_softc *sc)
966{
967 usb_device_request_t req;
968 const struct firmware *fw;
969 const u_char *base;
970 uint32_t tmp;
971 int ntries, error;
972 const uint64_t *temp;
973 uint64_t bytes;
974
975 RUN_UNLOCK(sc);
976 fw = firmware_get("runfw");
977 RUN_LOCK(sc);
978 if (fw == NULL) {
979 device_printf(sc->sc_dev,
980 "failed loadfirmware of file %s\n", "runfw");
981 return ENOENT;
982 }
983
984 if (fw->datasize != 8192) {
985 device_printf(sc->sc_dev,
986 "invalid firmware size (should be 8KB)\n");
987 error = EINVAL;
988 goto fail;
989 }
990
991 /*
992 * RT3071/RT3072 use a different firmware
993 * run-rt2870 (8KB) contains both,
994 * first half (4KB) is for rt2870,
995 * last half is for rt3071.
996 */
997 base = fw->data;
998 if ((sc->mac_ver) != 0x2860 &&
999 (sc->mac_ver) != 0x2872 &&
1000 (sc->mac_ver) != 0x3070) {
1001 base += 4096;
1002 }
1003
1004 /* cheap sanity check */
1005 temp = fw->data;
1006 bytes = *temp;
1007 if (bytes != be64toh(0xffffff0210280210)) {
1008 device_printf(sc->sc_dev, "firmware checksum failed\n");
1009 error = EINVAL;
1010 goto fail;
1011 }
1012
1013 run_read(sc, RT2860_ASIC_VER_ID, &tmp);
1014 /* write microcode image */
1015 run_write_region_1(sc, RT2870_FW_BASE, base, 4096);
1016 run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff);
1017 run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff);
1018
1019 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1020 req.bRequest = RT2870_RESET;
1021 USETW(req.wValue, 8);
1022 USETW(req.wIndex, 0);
1023 USETW(req.wLength, 0);
1024 if ((error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL))
1025 != 0) {
1026 device_printf(sc->sc_dev, "firmware reset failed\n");
1027 goto fail;
1028 }
1029
1030 run_delay(sc, 10);
1031
1032 run_write(sc, RT2860_H2M_MAILBOX, 0);
1033 if ((error = run_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0)) != 0)
1034 goto fail;
1035
1036 /* wait until microcontroller is ready */
1037 for (ntries = 0; ntries < 1000; ntries++) {
1038 if ((error = run_read(sc, RT2860_SYS_CTRL, &tmp)) != 0) {
1039 goto fail;
1040 }
1041 if (tmp & RT2860_MCU_READY)
1042 break;
1043 run_delay(sc, 10);
1044 }
1045 if (ntries == 1000) {
1046 device_printf(sc->sc_dev,
1047 "timeout waiting for MCU to initialize\n");
1048 error = ETIMEDOUT;
1049 goto fail;
1050 }
1051 device_printf(sc->sc_dev, "firmware %s loaded\n",
1052 (base == fw->data) ? "RT2870" : "RT3071");
1053
1054fail:
1055 firmware_put(fw, FIRMWARE_UNLOAD);
1056 return (error);
1057}
1058
1059int
1060run_reset(struct run_softc *sc)
1061{
1062 usb_device_request_t req;
1063
1064 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1065 req.bRequest = RT2870_RESET;
1066 USETW(req.wValue, 1);
1067 USETW(req.wIndex, 0);
1068 USETW(req.wLength, 0);
1069 return (usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL));
1070}
1071
1072static usb_error_t
1073run_do_request(struct run_softc *sc,
1074 struct usb_device_request *req, void *data)
1075{
1076 usb_error_t err;
1077 int ntries = 10;
1078
1079 RUN_LOCK_ASSERT(sc, MA_OWNED);
1080
1081 while (ntries--) {
1082 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
1083 req, data, 0, NULL, 250 /* ms */);
1084 if (err == 0)
1085 break;
1086 DPRINTFN(1, "Control request failed, %s (retrying)\n",
1087 usbd_errstr(err));
1088 run_delay(sc, 10);
1089 }
1090 return (err);
1091}
1092
1093static int
1094run_read(struct run_softc *sc, uint16_t reg, uint32_t *val)
1095{
1096 uint32_t tmp;
1097 int error;
1098
1099 error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp);
1100 if (error == 0)
1101 *val = le32toh(tmp);
1102 else
1103 *val = 0xffffffff;
1104 return (error);
1105}
1106
1107static int
1108run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len)
1109{
1110 usb_device_request_t req;
1111
1112 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1113 req.bRequest = RT2870_READ_REGION_1;
1114 USETW(req.wValue, 0);
1115 USETW(req.wIndex, reg);
1116 USETW(req.wLength, len);
1117
1118 return (run_do_request(sc, &req, buf));
1119}
1120
1121static int
1122run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val)
1123{
1124 usb_device_request_t req;
1125
1126 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1127 req.bRequest = RT2870_WRITE_2;
1128 USETW(req.wValue, val);
1129 USETW(req.wIndex, reg);
1130 USETW(req.wLength, 0);
1131
1132 return (run_do_request(sc, &req, NULL));
1133}
1134
1135static int
1136run_write(struct run_softc *sc, uint16_t reg, uint32_t val)
1137{
1138 int error;
1139
1140 if ((error = run_write_2(sc, reg, val & 0xffff)) == 0)
1141 error = run_write_2(sc, reg + 2, val >> 16);
1142 return (error);
1143}
1144
1145static int
1146run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf,
1147 int len)
1148{
1149#if 1
1150 int i, error = 0;
1151 /*
1152 * NB: the WRITE_REGION_1 command is not stable on RT2860.
1153 * We thus issue multiple WRITE_2 commands instead.
1154 */
1155 KASSERT((len & 1) == 0, ("run_write_region_1: Data too long.\n"));
1156 for (i = 0; i < len && error == 0; i += 2)
1157 error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8);
1158 return (error);
1159#else
1160 usb_device_request_t req;
1161
1162 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1163 req.bRequest = RT2870_WRITE_REGION_1;
1164 USETW(req.wValue, 0);
1165 USETW(req.wIndex, reg);
1166 USETW(req.wLength, len);
1167 return (run_do_request(sc, &req, buf));
1168#endif
1169}
1170
1171static int
1172run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int len)
1173{
1174 int i, error = 0;
1175
1176 KASSERT((len & 3) == 0, ("run_set_region_4: Invalid data length.\n"));
1177 for (i = 0; i < len && error == 0; i += 4)
1178 error = run_write(sc, reg + i, val);
1179 return (error);
1180}
1181
1182/* Read 16-bit from eFUSE ROM (RT3070 only.) */
1183static int
1184run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
1185{
1186 uint32_t tmp;
1187 uint16_t reg;
1188 int error, ntries;
1189
1190 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1191 return (error);
1192
1193 addr *= 2;
1194 /*-
1195 * Read one 16-byte block into registers EFUSE_DATA[0-3]:
1196 * DATA0: F E D C
1197 * DATA1: B A 9 8
1198 * DATA2: 7 6 5 4
1199 * DATA3: 3 2 1 0
1200 */
1201 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK);
1202 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK;
1203 run_write(sc, RT3070_EFUSE_CTRL, tmp);
1204 for (ntries = 0; ntries < 100; ntries++) {
1205 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1206 return (error);
1207 if (!(tmp & RT3070_EFSROM_KICK))
1208 break;
1209 run_delay(sc, 2);
1210 }
1211 if (ntries == 100)
1212 return (ETIMEDOUT);
1213
1214 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) {
1215 *val = 0xffff; /* address not found */
1216 return (0);
1217 }
1218 /* determine to which 32-bit register our 16-bit word belongs */
1219 reg = RT3070_EFUSE_DATA3 - (addr & 0xc);
1220 if ((error = run_read(sc, reg, &tmp)) != 0)
1221 return (error);
1222
1223 *val = (addr & 2) ? tmp >> 16 : tmp & 0xffff;
1224 return (0);
1225}
1226
1227static int
1228run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
1229{
1230 usb_device_request_t req;
1231 uint16_t tmp;
1232 int error;
1233
1234 addr *= 2;
1235 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1236 req.bRequest = RT2870_EEPROM_READ;
1237 USETW(req.wValue, 0);
1238 USETW(req.wIndex, addr);
1239 USETW(req.wLength, sizeof tmp);
1240
1241 error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, &tmp);
1242 if (error == 0)
1243 *val = le16toh(tmp);
1244 else
1245 *val = 0xffff;
1246 return (error);
1247}
1248
1249static __inline int
1250run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val)
1251{
1252 /* either eFUSE ROM or EEPROM */
1253 return sc->sc_srom_read(sc, addr, val);
1254}
1255
1256static int
1257run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val)
1258{
1259 uint32_t tmp;
1260 int error, ntries;
1261
1262 for (ntries = 0; ntries < 10; ntries++) {
1263 if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0)
1264 return (error);
1265 if (!(tmp & RT2860_RF_REG_CTRL))
1266 break;
1267 }
1268 if (ntries == 10)
1269 return (ETIMEDOUT);
1270
1271 /* RF registers are 24-bit on the RT2860 */
1272 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT |
1273 (val & 0x3fffff) << 2 | (reg & 3);
1274 return (run_write(sc, RT2860_RF_CSR_CFG0, tmp));
1275}
1276
1277static int
1278run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1279{
1280 uint32_t tmp;
1281 int error, ntries;
1282
1283 for (ntries = 0; ntries < 100; ntries++) {
1284 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1285 return (error);
1286 if (!(tmp & RT3070_RF_KICK))
1287 break;
1288 }
1289 if (ntries == 100)
1290 return (ETIMEDOUT);
1291
1292 tmp = RT3070_RF_KICK | reg << 8;
1293 if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0)
1294 return (error);
1295
1296 for (ntries = 0; ntries < 100; ntries++) {
1297 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1298 return (error);
1299 if (!(tmp & RT3070_RF_KICK))
1300 break;
1301 }
1302 if (ntries == 100)
1303 return (ETIMEDOUT);
1304
1305 *val = tmp & 0xff;
1306 return (0);
1307}
1308
1309static int
1310run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1311{
1312 uint32_t tmp;
1313 int error, ntries;
1314
1315 for (ntries = 0; ntries < 10; ntries++) {
1316 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1317 return (error);
1318 if (!(tmp & RT3070_RF_KICK))
1319 break;
1320 }
1321 if (ntries == 10)
1322 return (ETIMEDOUT);
1323
1324 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val;
1325 return (run_write(sc, RT3070_RF_CSR_CFG, tmp));
1326}
1327
1328static int
1329run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1330{
1331 uint32_t tmp;
1332 int ntries, error;
1333
1334 for (ntries = 0; ntries < 10; ntries++) {
1335 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1336 return (error);
1337 if (!(tmp & RT2860_BBP_CSR_KICK))
1338 break;
1339 }
1340 if (ntries == 10)
1341 return (ETIMEDOUT);
1342
1343 tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8;
1344 if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0)
1345 return (error);
1346
1347 for (ntries = 0; ntries < 10; ntries++) {
1348 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1349 return (error);
1350 if (!(tmp & RT2860_BBP_CSR_KICK))
1351 break;
1352 }
1353 if (ntries == 10)
1354 return (ETIMEDOUT);
1355
1356 *val = tmp & 0xff;
1357 return (0);
1358}
1359
1360static int
1361run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1362{
1363 uint32_t tmp;
1364 int ntries, error;
1365
1366 for (ntries = 0; ntries < 10; ntries++) {
1367 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1368 return (error);
1369 if (!(tmp & RT2860_BBP_CSR_KICK))
1370 break;
1371 }
1372 if (ntries == 10)
1373 return (ETIMEDOUT);
1374
1375 tmp = RT2860_BBP_CSR_KICK | reg << 8 | val;
1376 return (run_write(sc, RT2860_BBP_CSR_CFG, tmp));
1377}
1378
1379/*
1380 * Send a command to the 8051 microcontroller unit.
1381 */
1382static int
1383run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg)
1384{
1385 uint32_t tmp;
1386 int error, ntries;
1387
1388 for (ntries = 0; ntries < 100; ntries++) {
1389 if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0)
1390 return error;
1391 if (!(tmp & RT2860_H2M_BUSY))
1392 break;
1393 }
1394 if (ntries == 100)
1395 return ETIMEDOUT;
1396
1397 tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg;
1398 if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0)
1399 error = run_write(sc, RT2860_HOST_CMD, cmd);
1400 return (error);
1401}
1402
1403/*
1404 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word.
1405 * Used to adjust per-rate Tx power registers.
1406 */
1407static __inline uint32_t
1408b4inc(uint32_t b32, int8_t delta)
1409{
1410 int8_t i, b4;
1411
1412 for (i = 0; i < 8; i++) {
1413 b4 = b32 & 0xf;
1414 b4 += delta;
1415 if (b4 < 0)
1416 b4 = 0;
1417 else if (b4 > 0xf)
1418 b4 = 0xf;
1419 b32 = b32 >> 4 | b4 << 28;
1420 }
1421 return (b32);
1422}
1423
1424static const char *
1425run_get_rf(int rev)
1426{
1427 switch (rev) {
1428 case RT2860_RF_2820: return "RT2820";
1429 case RT2860_RF_2850: return "RT2850";
1430 case RT2860_RF_2720: return "RT2720";
1431 case RT2860_RF_2750: return "RT2750";
1432 case RT3070_RF_3020: return "RT3020";
1433 case RT3070_RF_2020: return "RT2020";
1434 case RT3070_RF_3021: return "RT3021";
1435 case RT3070_RF_3022: return "RT3022";
1436 case RT3070_RF_3052: return "RT3052";
1437 }
1438 return ("unknown");
1439}
1440
1441int
1442run_read_eeprom(struct run_softc *sc)
1443{
1444 int8_t delta_2ghz, delta_5ghz;
1445 uint32_t tmp;
1446 uint16_t val;
1447 int ridx, ant, i;
1448
1449 /* check whether the ROM is eFUSE ROM or EEPROM */
1450 sc->sc_srom_read = run_eeprom_read_2;
1451 if (sc->mac_ver >= 0x3070) {
1452 run_read(sc, RT3070_EFUSE_CTRL, &tmp);
1453 DPRINTF("EFUSE_CTRL=0x%08x\n", tmp);
1454 if (tmp & RT3070_SEL_EFUSE)
1455 sc->sc_srom_read = run_efuse_read_2;
1456 }
1457
1458 /* read ROM version */
1459 run_srom_read(sc, RT2860_EEPROM_VERSION, &val);
1460 DPRINTF("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8);
1461
1462 /* read MAC address */
1463 run_srom_read(sc, RT2860_EEPROM_MAC01, &val);
1464 sc->sc_bssid[0] = val & 0xff;
1465 sc->sc_bssid[1] = val >> 8;
1466 run_srom_read(sc, RT2860_EEPROM_MAC23, &val);
1467 sc->sc_bssid[2] = val & 0xff;
1468 sc->sc_bssid[3] = val >> 8;
1469 run_srom_read(sc, RT2860_EEPROM_MAC45, &val);
1470 sc->sc_bssid[4] = val & 0xff;
1471 sc->sc_bssid[5] = val >> 8;
1472
1473 /* read vender BBP settings */
1474 for (i = 0; i < 10; i++) {
1475 run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val);
1476 sc->bbp[i].val = val & 0xff;
1477 sc->bbp[i].reg = val >> 8;
1478 DPRINTF("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val);
1479 }
1480 if (sc->mac_ver >= 0x3071) {
1481 /* read vendor RF settings */
1482 for (i = 0; i < 10; i++) {
1483 run_srom_read(sc, RT3071_EEPROM_RF_BASE + i, &val);
1484 sc->rf[i].val = val & 0xff;
1485 sc->rf[i].reg = val >> 8;
1486 DPRINTF("RF%d=0x%02x\n", sc->rf[i].reg,
1487 sc->rf[i].val);
1488 }
1489 }
1490
1491 /* read RF frequency offset from EEPROM */
1492 run_srom_read(sc, RT2860_EEPROM_FREQ_LEDS, &val);
1493 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0;
1494 DPRINTF("EEPROM freq offset %d\n", sc->freq & 0xff);
1495
1496 if (val >> 8 != 0xff) {
1497 /* read LEDs operating mode */
1498 sc->leds = val >> 8;
1499 run_srom_read(sc, RT2860_EEPROM_LED1, &sc->led[0]);
1500 run_srom_read(sc, RT2860_EEPROM_LED2, &sc->led[1]);
1501 run_srom_read(sc, RT2860_EEPROM_LED3, &sc->led[2]);
1502 } else {
1503 /* broken EEPROM, use default settings */
1504 sc->leds = 0x01;
1505 sc->led[0] = 0x5555;
1506 sc->led[1] = 0x2221;
1507 sc->led[2] = 0x5627; /* differs from RT2860 */
1508 }
1509 DPRINTF("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n",
1510 sc->leds, sc->led[0], sc->led[1], sc->led[2]);
1511
1512 /* read RF information */
1513 run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val);
1514 if (val == 0xffff) {
1515 DPRINTF("invalid EEPROM antenna info, using default\n");
1516 if (sc->mac_ver == 0x3572) {
1517 /* default to RF3052 2T2R */
1518 sc->rf_rev = RT3070_RF_3052;
1519 sc->ntxchains = 2;
1520 sc->nrxchains = 2;
1521 } else if (sc->mac_ver >= 0x3070) {
1522 /* default to RF3020 1T1R */
1523 sc->rf_rev = RT3070_RF_3020;
1524 sc->ntxchains = 1;
1525 sc->nrxchains = 1;
1526 } else {
1527 /* default to RF2820 1T2R */
1528 sc->rf_rev = RT2860_RF_2820;
1529 sc->ntxchains = 1;
1530 sc->nrxchains = 2;
1531 }
1532 } else {
1533 sc->rf_rev = (val >> 8) & 0xf;
1534 sc->ntxchains = (val >> 4) & 0xf;
1535 sc->nrxchains = val & 0xf;
1536 }
1537 DPRINTF("EEPROM RF rev=0x%02x chains=%dT%dR\n",
1538 sc->rf_rev, sc->ntxchains, sc->nrxchains);
1539
1540 /* check if RF supports automatic Tx access gain control */
1541 run_srom_read(sc, RT2860_EEPROM_CONFIG, &val);
1542 DPRINTF("EEPROM CFG 0x%04x\n", val);
1543 /* check if driver should patch the DAC issue */
1544 if ((val >> 8) != 0xff)
1545 sc->patch_dac = (val >> 15) & 1;
1546 if ((val & 0xff) != 0xff) {
1547 sc->ext_5ghz_lna = (val >> 3) & 1;
1548 sc->ext_2ghz_lna = (val >> 2) & 1;
1549 /* check if RF supports automatic Tx access gain control */
1550 sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1;
1551 /* check if we have a hardware radio switch */
1552 sc->rfswitch = val & 1;
1553 }
1554
1555 /* read power settings for 2GHz channels */
1556 for (i = 0; i < 14; i += 2) {
1557 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val);
1558 sc->txpow1[i + 0] = (int8_t)(val & 0xff);
1559 sc->txpow1[i + 1] = (int8_t)(val >> 8);
1560
1561 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val);
1562 sc->txpow2[i + 0] = (int8_t)(val & 0xff);
1563 sc->txpow2[i + 1] = (int8_t)(val >> 8);
1564 }
1565 /* fix broken Tx power entries */
1566 for (i = 0; i < 14; i++) {
1567 if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31)
1568 sc->txpow1[i] = 5;
1569 if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31)
1570 sc->txpow2[i] = 5;
1571 DPRINTF("chan %d: power1=%d, power2=%d\n",
1572 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]);
1573 }
1574 /* read power settings for 5GHz channels */
1575 for (i = 0; i < 40; i += 2) {
1576 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val);
1577 sc->txpow1[i + 14] = (int8_t)(val & 0xff);
1578 sc->txpow1[i + 15] = (int8_t)(val >> 8);
1579
1580 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val);
1581 sc->txpow2[i + 14] = (int8_t)(val & 0xff);
1582 sc->txpow2[i + 15] = (int8_t)(val >> 8);
1583 }
1584 /* fix broken Tx power entries */
1585 for (i = 0; i < 40; i++) {
1586 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15)
1587 sc->txpow1[14 + i] = 5;
1588 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15)
1589 sc->txpow2[14 + i] = 5;
1590 DPRINTF("chan %d: power1=%d, power2=%d\n",
1591 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i],
1592 sc->txpow2[14 + i]);
1593 }
1594
1595 /* read Tx power compensation for each Tx rate */
1596 run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val);
1597 delta_2ghz = delta_5ghz = 0;
1598 if ((val & 0xff) != 0xff && (val & 0x80)) {
1599 delta_2ghz = val & 0xf;
1600 if (!(val & 0x40)) /* negative number */
1601 delta_2ghz = -delta_2ghz;
1602 }
1603 val >>= 8;
1604 if ((val & 0xff) != 0xff && (val & 0x80)) {
1605 delta_5ghz = val & 0xf;
1606 if (!(val & 0x40)) /* negative number */
1607 delta_5ghz = -delta_5ghz;
1608 }
1609 DPRINTF("power compensation=%d (2GHz), %d (5GHz)\n",
1610 delta_2ghz, delta_5ghz);
1611
1612 for (ridx = 0; ridx < 5; ridx++) {
1613 uint32_t reg;
1614
1615 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2, &val);
1616 reg = val;
1617 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1, &val);
1618 reg |= (uint32_t)val << 16;
1619
1620 sc->txpow20mhz[ridx] = reg;
1621 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz);
1622 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz);
1623
1624 DPRINTF("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, "
1625 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx],
1626 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]);
1627 }
1628
1629 /* read RSSI offsets and LNA gains from EEPROM */
1630 run_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ, &val);
1631 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */
1632 sc->rssi_2ghz[1] = val >> 8; /* Ant B */
1633 run_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ, &val);
1634 if (sc->mac_ver >= 0x3070) {
1635 /*
1636 * On RT3070 chips (limited to 2 Rx chains), this ROM
1637 * field contains the Tx mixer gain for the 2GHz band.
1638 */
1639 if ((val & 0xff) != 0xff)
1640 sc->txmixgain_2ghz = val & 0x7;
1641 DPRINTF("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz);
1642 } else
1643 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */
1644 sc->lna[2] = val >> 8; /* channel group 2 */
1645
1646 run_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ, &val);
1647 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */
1648 sc->rssi_5ghz[1] = val >> 8; /* Ant B */
1649 run_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ, &val);
1650 if (sc->mac_ver == 0x3572) {
1651 /*
1652 * On RT3572 chips (limited to 2 Rx chains), this ROM
1653 * field contains the Tx mixer gain for the 5GHz band.
1654 */
1655 if ((val & 0xff) != 0xff)
1656 sc->txmixgain_5ghz = val & 0x7;
1657 DPRINTF("tx mixer gain=%u (5GHz)\n", sc->txmixgain_5ghz);
1658 } else
1659 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */
1660 sc->lna[3] = val >> 8; /* channel group 3 */
1661
1662 run_srom_read(sc, RT2860_EEPROM_LNA, &val);
1663 sc->lna[0] = val & 0xff; /* channel group 0 */
1664 sc->lna[1] = val >> 8; /* channel group 1 */
1665
1666 /* fix broken 5GHz LNA entries */
1667 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) {
1668 DPRINTF("invalid LNA for channel group %d\n", 2);
1669 sc->lna[2] = sc->lna[1];
1670 }
1671 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) {
1672 DPRINTF("invalid LNA for channel group %d\n", 3);
1673 sc->lna[3] = sc->lna[1];
1674 }
1675
1676 /* fix broken RSSI offset entries */
1677 for (ant = 0; ant < 3; ant++) {
1678 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) {
1679 DPRINTF("invalid RSSI%d offset: %d (2GHz)\n",
1680 ant + 1, sc->rssi_2ghz[ant]);
1681 sc->rssi_2ghz[ant] = 0;
1682 }
1683 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) {
1684 DPRINTF("invalid RSSI%d offset: %d (5GHz)\n",
1685 ant + 1, sc->rssi_5ghz[ant]);
1686 sc->rssi_5ghz[ant] = 0;
1687 }
1688 }
1689 return (0);
1690}
1691
1692static struct ieee80211_node *
1693run_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
1694{
1695 return malloc(sizeof (struct run_node), M_DEVBUF, M_NOWAIT | M_ZERO);
1696}
1697
1698static int
1699run_media_change(struct ifnet *ifp)
1700{
1701 struct ieee80211vap *vap = ifp->if_softc;
1702 struct ieee80211com *ic = vap->iv_ic;
1703 const struct ieee80211_txparam *tp;
1704 struct run_softc *sc = ic->ic_ifp->if_softc;
1705 uint8_t rate, ridx;
1706 int error;
1707
1708 RUN_LOCK(sc);
1709
1710 error = ieee80211_media_change(ifp);
1711 if (error != ENETRESET) {
1712 RUN_UNLOCK(sc);
1713 return (error);
1714 }
1715
1716 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1717 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
1718 struct ieee80211_node *ni;
1719 struct run_node *rn;
1720
1721 rate = ic->ic_sup_rates[ic->ic_curmode].
1722 rs_rates[tp->ucastrate] & IEEE80211_RATE_VAL;
1723 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
1724 if (rt2860_rates[ridx].rate == rate)
1725 break;
1726 ni = ieee80211_ref_node(vap->iv_bss);
1727 rn = (struct run_node *)ni;
1728 rn->fix_ridx = ridx;
1729 DPRINTF("rate=%d, fix_ridx=%d\n", rate, rn->fix_ridx);
1730 ieee80211_free_node(ni);
1731 }
1732
1733#if 0
1734 if ((ifp->if_flags & IFF_UP) &&
1735 (ifp->if_drv_flags & IFF_DRV_RUNNING)){
1736 run_init_locked(sc);
1737 }
1738#endif
1739
1740 RUN_UNLOCK(sc);
1741
1742 return (0);
1743}
1744
1745static int
1746run_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
1747{
1748 const struct ieee80211_txparam *tp;
1749 struct ieee80211com *ic = vap->iv_ic;
1750 struct run_softc *sc = ic->ic_ifp->if_softc;
1751 struct run_vap *rvp = RUN_VAP(vap);
1752 enum ieee80211_state ostate;
1753 uint32_t sta[3];
1754 uint32_t tmp;
1755 uint8_t ratectl;
1756 uint8_t restart_ratectl = 0;
1757 uint8_t bid = 1 << rvp->rvp_id;
1758
1759 ostate = vap->iv_state;
1760 DPRINTF("%s -> %s\n",
1761 ieee80211_state_name[ostate],
1762 ieee80211_state_name[nstate]);
1763
1764 IEEE80211_UNLOCK(ic);
1765 RUN_LOCK(sc);
1766
1767 ratectl = sc->ratectl_run; /* remember current state */
1768 sc->ratectl_run = RUN_RATECTL_OFF;
1769 usb_callout_stop(&sc->ratectl_ch);
1770
1771 if (ostate == IEEE80211_S_RUN) {
1772 /* turn link LED off */
1773 run_set_leds(sc, RT2860_LED_RADIO);
1774 }
1775
1776 switch (nstate) {
1777 case IEEE80211_S_INIT:
1778 restart_ratectl = 1;
1779
1780 if (ostate != IEEE80211_S_RUN)
1781 break;
1782
1783 ratectl &= ~bid;
1784 sc->runbmap &= ~bid;
1785
1786 /* abort TSF synchronization if there is no vap running */
1787 if (--sc->running == 0) {
1788 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
1789 run_write(sc, RT2860_BCN_TIME_CFG,
1790 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
1791 RT2860_TBTT_TIMER_EN));
1792 }
1793 break;
1794
1795 case IEEE80211_S_RUN:
1796 if (!(sc->runbmap & bid)) {
1797 if(sc->running++)
1798 restart_ratectl = 1;
1799 sc->runbmap |= bid;
1800 }
1801
1802 m_freem(rvp->beacon_mbuf);
1803 rvp->beacon_mbuf = NULL;
1804
1805 switch (vap->iv_opmode) {
1806 case IEEE80211_M_HOSTAP:
1807 case IEEE80211_M_MBSS:
1808 sc->ap_running |= bid;
1809 ic->ic_opmode = vap->iv_opmode;
1810 run_update_beacon_cb(vap);
1811 break;
1812 case IEEE80211_M_IBSS:
1813 sc->adhoc_running |= bid;
1814 if (!sc->ap_running)
1815 ic->ic_opmode = vap->iv_opmode;
1816 run_update_beacon_cb(vap);
1817 break;
1818 case IEEE80211_M_STA:
1819 sc->sta_running |= bid;
1820 if (!sc->ap_running && !sc->adhoc_running)
1821 ic->ic_opmode = vap->iv_opmode;
1822
1823 /* read statistic counters (clear on read) */
1824 run_read_region_1(sc, RT2860_TX_STA_CNT0,
1825 (uint8_t *)sta, sizeof sta);
1826
1827 break;
1828 default:
1829 ic->ic_opmode = vap->iv_opmode;
1830 break;
1831 }
1832
1833 if (vap->iv_opmode != IEEE80211_M_MONITOR) {
1834 struct ieee80211_node *ni;
1835
1836 run_updateslot(ic->ic_ifp);
1837 run_enable_mrr(sc);
1838 run_set_txpreamble(sc);
1839 run_set_basicrates(sc);
1840 ni = ieee80211_ref_node(vap->iv_bss);
1841 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
1842 run_set_bssid(sc, ni->ni_bssid);
1843 ieee80211_free_node(ni);
1844 run_enable_tsf_sync(sc);
1845
1846 /* enable automatic rate adaptation */
1847 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1848 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
1849 ratectl |= bid;
1850 }
1851
1852 /* turn link LED on */
1853 run_set_leds(sc, RT2860_LED_RADIO |
1854 (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan) ?
1855 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ));
1856
1857 break;
1858 default:
1859 DPRINTFN(6, "undefined case\n");
1860 break;
1861 }
1862
1863 /* restart amrr for running VAPs */
1864 if ((sc->ratectl_run = ratectl) && restart_ratectl)
1865 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc);
1866
1867 RUN_UNLOCK(sc);
1868 IEEE80211_LOCK(ic);
1869
1870 return(rvp->newstate(vap, nstate, arg));
1871}
1872
1873/* ARGSUSED */
1874static void
1875run_wme_update_cb(void *arg)
1876{
1877 struct ieee80211com *ic = arg;
1878 struct run_softc *sc = ic->ic_ifp->if_softc;
1879 struct ieee80211_wme_state *wmesp = &ic->ic_wme;
1880 int aci, error = 0;
1881
1882 RUN_LOCK_ASSERT(sc, MA_OWNED);
1883
1884 /* update MAC TX configuration registers */
1885 for (aci = 0; aci < WME_NUM_AC; aci++) {
1886 error = run_write(sc, RT2860_EDCA_AC_CFG(aci),
1887 wmesp->wme_params[aci].wmep_logcwmax << 16 |
1888 wmesp->wme_params[aci].wmep_logcwmin << 12 |
1889 wmesp->wme_params[aci].wmep_aifsn << 8 |
1890 wmesp->wme_params[aci].wmep_txopLimit);
1891 if (error) goto err;
1892 }
1893
1894 /* update SCH/DMA registers too */
1895 error = run_write(sc, RT2860_WMM_AIFSN_CFG,
1896 wmesp->wme_params[WME_AC_VO].wmep_aifsn << 12 |
1897 wmesp->wme_params[WME_AC_VI].wmep_aifsn << 8 |
1898 wmesp->wme_params[WME_AC_BK].wmep_aifsn << 4 |
1899 wmesp->wme_params[WME_AC_BE].wmep_aifsn);
1900 if (error) goto err;
1901 error = run_write(sc, RT2860_WMM_CWMIN_CFG,
1902 wmesp->wme_params[WME_AC_VO].wmep_logcwmin << 12 |
1903 wmesp->wme_params[WME_AC_VI].wmep_logcwmin << 8 |
1904 wmesp->wme_params[WME_AC_BK].wmep_logcwmin << 4 |
1905 wmesp->wme_params[WME_AC_BE].wmep_logcwmin);
1906 if (error) goto err;
1907 error = run_write(sc, RT2860_WMM_CWMAX_CFG,
1908 wmesp->wme_params[WME_AC_VO].wmep_logcwmax << 12 |
1909 wmesp->wme_params[WME_AC_VI].wmep_logcwmax << 8 |
1910 wmesp->wme_params[WME_AC_BK].wmep_logcwmax << 4 |
1911 wmesp->wme_params[WME_AC_BE].wmep_logcwmax);
1912 if (error) goto err;
1913 error = run_write(sc, RT2860_WMM_TXOP0_CFG,
1914 wmesp->wme_params[WME_AC_BK].wmep_txopLimit << 16 |
1915 wmesp->wme_params[WME_AC_BE].wmep_txopLimit);
1916 if (error) goto err;
1917 error = run_write(sc, RT2860_WMM_TXOP1_CFG,
1918 wmesp->wme_params[WME_AC_VO].wmep_txopLimit << 16 |
1919 wmesp->wme_params[WME_AC_VI].wmep_txopLimit);
1920
1921err:
1922 if (error)
1923 DPRINTF("WME update failed\n");
1924
1925 return;
1926}
1927
1928static int
1929run_wme_update(struct ieee80211com *ic)
1930{
1931 struct run_softc *sc = ic->ic_ifp->if_softc;
1932
1933 /* sometime called wothout lock */
1934 if (mtx_owned(&ic->ic_comlock.mtx)) {
1935 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store);
1936 DPRINTF("cmdq_store=%d\n", i);
1937 sc->cmdq[i].func = run_wme_update_cb;
1938 sc->cmdq[i].arg0 = ic;
1939 ieee80211_runtask(ic, &sc->cmdq_task);
1940 return (0);
1941 }
1942
1943 RUN_LOCK(sc);
1944 run_wme_update_cb(ic);
1945 RUN_UNLOCK(sc);
1946
1947 /* return whatever, upper layer desn't care anyway */
1948 return (0);
1949}
1950
1951static void
1952run_key_update_begin(struct ieee80211vap *vap)
1953{
1954 /*
1955 * To avoid out-of-order events, both run_key_set() and
1956 * _delete() are deferred and handled by run_cmdq_cb().
1957 * So, there is nothing we need to do here.
1958 */
1959}
1960
1961static void
1962run_key_update_end(struct ieee80211vap *vap)
1963{
1964 /* null */
1965}
1966
1967static void
1968run_key_set_cb(void *arg)
1969{
1970 struct run_cmdq *cmdq = arg;
1971 struct ieee80211vap *vap = cmdq->arg1;
1972 struct ieee80211_key *k = cmdq->k;
1973 struct ieee80211com *ic = vap->iv_ic;
1974 struct run_softc *sc = ic->ic_ifp->if_softc;
1975 struct ieee80211_node *ni;
1976 uint32_t attr;
1977 uint16_t base, associd;
1978 uint8_t mode, wcid, iv[8];
1979
1980 RUN_LOCK_ASSERT(sc, MA_OWNED);
1981
1982 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1983 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, cmdq->mac);
1984 else
1985 ni = vap->iv_bss;
1986 associd = (ni != NULL) ? ni->ni_associd : 0;
1987
1988 /* map net80211 cipher to RT2860 security mode */
1989 switch (k->wk_cipher->ic_cipher) {
1990 case IEEE80211_CIPHER_WEP:
1991 if(k->wk_keylen < 8)
1992 mode = RT2860_MODE_WEP40;
1993 else
1994 mode = RT2860_MODE_WEP104;
1995 break;
1996 case IEEE80211_CIPHER_TKIP:
1997 mode = RT2860_MODE_TKIP;
1998 break;
1999 case IEEE80211_CIPHER_AES_CCM:
2000 mode = RT2860_MODE_AES_CCMP;
2001 break;
2002 default:
2003 DPRINTF("undefined case\n");
2004 return;
2005 }
2006
2007 DPRINTFN(1, "associd=%x, keyix=%d, mode=%x, type=%s, tx=%s, rx=%s\n",
2008 associd, k->wk_keyix, mode,
2009 (k->wk_flags & IEEE80211_KEY_GROUP) ? "group" : "pairwise",
2010 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off",
2011 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off");
2012
2013 if (k->wk_flags & IEEE80211_KEY_GROUP) {
2014 wcid = 0; /* NB: update WCID0 for group keys */
2015 base = RT2860_SKEY(RUN_VAP(vap)->rvp_id, k->wk_keyix);
2016 } else {
2017 wcid = RUN_AID2WCID(associd);
2018 base = RT2860_PKEY(wcid);
2019 }
2020
2021 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
2022 if(run_write_region_1(sc, base, k->wk_key, 16))
2023 return;
2024 if(run_write_region_1(sc, base + 16, &k->wk_key[16], 8)) /* wk_txmic */
2025 return;
2026 if(run_write_region_1(sc, base + 24, &k->wk_key[24], 8)) /* wk_rxmic */
2027 return;
2028 } else {
2029 /* roundup len to 16-bit: XXX fix write_region_1() instead */
2030 if(run_write_region_1(sc, base, k->wk_key, (k->wk_keylen + 1) & ~1))
2031 return;
2032 }
2033
2034 if (!(k->wk_flags & IEEE80211_KEY_GROUP) ||
2035 (k->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))) {
2036 /* set initial packet number in IV+EIV */
2037 if (k->wk_cipher == IEEE80211_CIPHER_WEP) {
2038 memset(iv, 0, sizeof iv);
2039 iv[3] = vap->iv_def_txkey << 6;
2040 } else {
2041 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
2042 iv[0] = k->wk_keytsc >> 8;
2043 iv[1] = (iv[0] | 0x20) & 0x7f;
2044 iv[2] = k->wk_keytsc;
2045 } else /* CCMP */ {
2046 iv[0] = k->wk_keytsc;
2047 iv[1] = k->wk_keytsc >> 8;
2048 iv[2] = 0;
2049 }
2050 iv[3] = k->wk_keyix << 6 | IEEE80211_WEP_EXTIV;
2051 iv[4] = k->wk_keytsc >> 16;
2052 iv[5] = k->wk_keytsc >> 24;
2053 iv[6] = k->wk_keytsc >> 32;
2054 iv[7] = k->wk_keytsc >> 40;
2055 }
2056 if (run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8))
2057 return;
2058 }
2059
2060 if (k->wk_flags & IEEE80211_KEY_GROUP) {
2061 /* install group key */
2062 if (run_read(sc, RT2860_SKEY_MODE_0_7, &attr))
2063 return;
2064 attr &= ~(0xf << (k->wk_keyix * 4));
2065 attr |= mode << (k->wk_keyix * 4);
2066 if (run_write(sc, RT2860_SKEY_MODE_0_7, attr))
2067 return;
2068 } else {
2069 /* install pairwise key */
2070 if (run_read(sc, RT2860_WCID_ATTR(wcid), &attr))
2071 return;
2072 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN;
2073 if (run_write(sc, RT2860_WCID_ATTR(wcid), attr))
2074 return;
2075 }
2076
2077 /* TODO create a pass-thru key entry? */
2078
2079 /* need wcid to delete the right key later */
2080 k->wk_pad = wcid;
2081}
2082
2083/*
2084 * Don't have to be deferred, but in order to keep order of
2085 * execution, i.e. with run_key_delete(), defer this and let
2086 * run_cmdq_cb() maintain the order.
2087 *
2088 * return 0 on error
2089 */
2090static int
2091run_key_set(struct ieee80211vap *vap, struct ieee80211_key *k,
2092 const uint8_t mac[IEEE80211_ADDR_LEN])
2093{
2094 struct ieee80211com *ic = vap->iv_ic;
2095 struct run_softc *sc = ic->ic_ifp->if_softc;
2096 uint32_t i;
2097
2098 i = RUN_CMDQ_GET(&sc->cmdq_store);
2099 DPRINTF("cmdq_store=%d\n", i);
2100 sc->cmdq[i].func = run_key_set_cb;
2101 sc->cmdq[i].arg0 = NULL;
2102 sc->cmdq[i].arg1 = vap;
2103 sc->cmdq[i].k = k;
2104 IEEE80211_ADDR_COPY(sc->cmdq[i].mac, mac);
2105 ieee80211_runtask(ic, &sc->cmdq_task);
2106
2107 /*
2108 * To make sure key will be set when hostapd
2109 * calls iv_key_set() before if_init().
2110 */
2111 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
2112 RUN_LOCK(sc);
2113 sc->cmdq_key_set = RUN_CMDQ_GO;
2114 RUN_UNLOCK(sc);
2115 }
2116
2117 return (1);
2118}
2119
2120/*
2121 * If wlan is destroyed without being brought down i.e. without
2122 * wlan down or wpa_cli terminate, this function is called after
2123 * vap is gone. Don't refer it.
2124 */
2125static void
2126run_key_delete_cb(void *arg)
2127{
2128 struct run_cmdq *cmdq = arg;
2129 struct run_softc *sc = cmdq->arg1;
2130 struct ieee80211_key *k = &cmdq->key;
2131 uint32_t attr;
2132 uint8_t wcid;
2133
2134 RUN_LOCK_ASSERT(sc, MA_OWNED);
2135
2136 if (k->wk_flags & IEEE80211_KEY_GROUP) {
2137 /* remove group key */
2138 DPRINTF("removing group key\n");
2139 run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
2140 attr &= ~(0xf << (k->wk_keyix * 4));
2141 run_write(sc, RT2860_SKEY_MODE_0_7, attr);
2142 } else {
2143 /* remove pairwise key */
2144 DPRINTF("removing key for wcid %x\n", k->wk_pad);
2145 /* matching wcid was written to wk_pad in run_key_set() */
2146 wcid = k->wk_pad;
2147 run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
2148 attr &= ~0xf;
2149 run_write(sc, RT2860_WCID_ATTR(wcid), attr);
2150 run_set_region_4(sc, RT2860_WCID_ENTRY(wcid), 0, 8);
2151 }
2152
2153 k->wk_pad = 0;
2154}
2155
2156/*
2157 * return 0 on error
2158 */
2159static int
2160run_key_delete(struct ieee80211vap *vap, struct ieee80211_key *k)
2161{
2162 struct ieee80211com *ic = vap->iv_ic;
2163 struct run_softc *sc = ic->ic_ifp->if_softc;
2164 struct ieee80211_key *k0;
2165 uint32_t i;
2166
2167 /*
2168 * When called back, key might be gone. So, make a copy
2169 * of some values need to delete keys before deferring.
2170 * But, because of LOR with node lock, cannot use lock here.
2171 * So, use atomic instead.
2172 */
2173 i = RUN_CMDQ_GET(&sc->cmdq_store);
2174 DPRINTF("cmdq_store=%d\n", i);
2175 sc->cmdq[i].func = run_key_delete_cb;
2176 sc->cmdq[i].arg0 = NULL;
2177 sc->cmdq[i].arg1 = sc;
2178 k0 = &sc->cmdq[i].key;
2179 k0->wk_flags = k->wk_flags;
2180 k0->wk_keyix = k->wk_keyix;
2181 /* matching wcid was written to wk_pad in run_key_set() */
2182 k0->wk_pad = k->wk_pad;
2183 ieee80211_runtask(ic, &sc->cmdq_task);
2184 return (1); /* return fake success */
2185
2186}
2187
2188static void
2189run_ratectl_to(void *arg)
2190{
2191 struct run_softc *sc = arg;
2192
2193 /* do it in a process context, so it can go sleep */
2194 ieee80211_runtask(sc->sc_ifp->if_l2com, &sc->ratectl_task);
2195 /* next timeout will be rescheduled in the callback task */
2196}
2197
2198/* ARGSUSED */
2199static void
2200run_ratectl_cb(void *arg, int pending)
2201{
2202 struct run_softc *sc = arg;
2203 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
2204 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2205
2206 if (vap == NULL)
2207 return;
2208
2209 if (sc->rvp_cnt <= 1 && vap->iv_opmode == IEEE80211_M_STA)
2210 run_iter_func(sc, vap->iv_bss);
2211 else {
2212 /*
2213 * run_reset_livelock() doesn't do anything with AMRR,
2214 * but Ralink wants us to call it every 1 sec. So, we
2215 * piggyback here rather than creating another callout.
2216 * Livelock may occur only in HOSTAP or IBSS mode
2217 * (when h/w is sending beacons).
2218 */
2219 RUN_LOCK(sc);
2220 run_reset_livelock(sc);
2221 /* just in case, there are some stats to drain */
2222 run_drain_fifo(sc);
2223 RUN_UNLOCK(sc);
2224 ieee80211_iterate_nodes(&ic->ic_sta, run_iter_func, sc);
2225 }
2226
2227 if(sc->ratectl_run != RUN_RATECTL_OFF)
2228 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc);
2229}
2230
2231static void
2232run_drain_fifo(void *arg)
2233{
2234 struct run_softc *sc = arg;
2235 struct ifnet *ifp = sc->sc_ifp;
2236 uint32_t stat;
2237 uint16_t (*wstat)[3];
2238 uint8_t wcid, mcs, pid;
2239 int8_t retry;
2240
2241 RUN_LOCK_ASSERT(sc, MA_OWNED);
2242
2243 for (;;) {
2244 /* drain Tx status FIFO (maxsize = 16) */
2245 run_read(sc, RT2860_TX_STAT_FIFO, &stat);
2246 DPRINTFN(4, "tx stat 0x%08x\n", stat);
2247 if (!(stat & RT2860_TXQ_VLD))
2248 break;
2249
2250 wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff;
2251
2252 /* if no ACK was requested, no feedback is available */
2253 if (!(stat & RT2860_TXQ_ACKREQ) || wcid > RT2870_WCID_MAX ||
2254 wcid == 0)
2255 continue;
2256
2257 /*
2258 * Even though each stat is Tx-complete-status like format,
2259 * the device can poll stats. Because there is no guarantee
2260 * that the referring node is still around when read the stats.
2261 * So that, if we use ieee80211_ratectl_tx_update(), we will
2262 * have hard time not to refer already freed node.
2263 *
2264 * To eliminate such page faults, we poll stats in softc.
2265 * Then, update the rates later with ieee80211_ratectl_tx_update().
2266 */
2267 wstat = &(sc->wcid_stats[wcid]);
2268 (*wstat)[RUN_TXCNT]++;
2269 if (stat & RT2860_TXQ_OK)
2270 (*wstat)[RUN_SUCCESS]++;
2271 else
2272 ifp->if_oerrors++;
2273 /*
2274 * Check if there were retries, ie if the Tx success rate is
2275 * different from the requested rate. Note that it works only
2276 * because we do not allow rate fallback from OFDM to CCK.
2277 */
2278 mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f;
2279 pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf;
2280 if ((retry = pid -1 - mcs) > 0) {
2281 (*wstat)[RUN_TXCNT] += retry;
2282 (*wstat)[RUN_RETRY] += retry;
2283 }
2284 }
2285 DPRINTFN(3, "count=%d\n", sc->fifo_cnt);
2286
2287 sc->fifo_cnt = 0;
2288}
2289
2290static void
2291run_iter_func(void *arg, struct ieee80211_node *ni)
2292{
2293 struct run_softc *sc = arg;
2294 struct ieee80211vap *vap = ni->ni_vap;
2295 struct ieee80211com *ic = ni->ni_ic;
2296 struct ifnet *ifp = ic->ic_ifp;
2297 struct run_node *rn = (void *)ni;
2298 union run_stats sta[2];
2299 uint16_t (*wstat)[3];
2300 int txcnt, success, retrycnt, error;
2301
2302 RUN_LOCK(sc);
2303
2304 if (sc->rvp_cnt <= 1 && (vap->iv_opmode == IEEE80211_M_IBSS ||
2305 vap->iv_opmode == IEEE80211_M_STA)) {
2306 /* read statistic counters (clear on read) and update AMRR state */
2307 error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta,
2308 sizeof sta);
2309 if (error != 0)
2310 goto fail;
2311
2312 /* count failed TX as errors */
2313 ifp->if_oerrors += le16toh(sta[0].error.fail);
2314
2315 retrycnt = le16toh(sta[1].tx.retry);
2316 success = le16toh(sta[1].tx.success);
2317 txcnt = retrycnt + success + le16toh(sta[0].error.fail);
2318
2319 DPRINTFN(3, "retrycnt=%d success=%d failcnt=%d\n",
2320 retrycnt, success, le16toh(sta[0].error.fail));
2321 } else {
2322 wstat = &(sc->wcid_stats[RUN_AID2WCID(ni->ni_associd)]);
2323
2324 if (wstat == &(sc->wcid_stats[0]) ||
2325 wstat > &(sc->wcid_stats[RT2870_WCID_MAX]))
2326 goto fail;
2327
2328 txcnt = (*wstat)[RUN_TXCNT];
2329 success = (*wstat)[RUN_SUCCESS];
2330 retrycnt = (*wstat)[RUN_RETRY];
2331 DPRINTFN(3, "retrycnt=%d txcnt=%d success=%d\n",
2332 retrycnt, txcnt, success);
2333
2334 memset(wstat, 0, sizeof(*wstat));
2335 }
2336
2337 ieee80211_ratectl_tx_update(vap, ni, &txcnt, &success, &retrycnt);
2338 rn->amrr_ridx = ieee80211_ratectl_rate(ni, NULL, 0);
2339
2340fail:
2341 RUN_UNLOCK(sc);
2342
2343 DPRINTFN(3, "ridx=%d\n", rn->amrr_ridx);
2344}
2345
2346static void
2347run_newassoc_cb(void *arg)
2348{
2349 struct run_cmdq *cmdq = arg;
2350 struct ieee80211_node *ni = cmdq->arg1;
2351 struct run_softc *sc = ni->ni_vap->iv_ic->ic_ifp->if_softc;
2352 uint8_t wcid = cmdq->wcid;
2353
2354 RUN_LOCK_ASSERT(sc, MA_OWNED);
2355
2356 run_write_region_1(sc, RT2860_WCID_ENTRY(wcid),
2357 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2358
2359 memset(&(sc->wcid_stats[wcid]), 0, sizeof(sc->wcid_stats[wcid]));
2360}
2361
2362static void
2363run_newassoc(struct ieee80211_node *ni, int isnew)
2364{
2365 struct run_node *rn = (void *)ni;
2366 struct ieee80211_rateset *rs = &ni->ni_rates;
2367 struct ieee80211vap *vap = ni->ni_vap;
2368 struct ieee80211com *ic = vap->iv_ic;
2369 struct run_softc *sc = ic->ic_ifp->if_softc;
2370 uint8_t rate;
2371 uint8_t ridx;
2372 uint8_t wcid = RUN_AID2WCID(ni->ni_associd);
2373 int i, j;
2374
2375 if (wcid > RT2870_WCID_MAX) {
2376 device_printf(sc->sc_dev, "wcid=%d out of range\n", wcid);
2377 return;
2378 }
2379
2380 /* only interested in true associations */
2381 if (isnew && ni->ni_associd != 0) {
2382
2383 /*
2384 * This function could is called though timeout function.
2385 * Need to defer.
2386 */
2387 uint32_t cnt = RUN_CMDQ_GET(&sc->cmdq_store);
2388 DPRINTF("cmdq_store=%d\n", cnt);
2389 sc->cmdq[cnt].func = run_newassoc_cb;
2390 sc->cmdq[cnt].arg0 = NULL;
2391 sc->cmdq[cnt].arg1 = ni;
2392 sc->cmdq[cnt].wcid = wcid;
2393 ieee80211_runtask(ic, &sc->cmdq_task);
2394 }
2395
2396 DPRINTF("new assoc isnew=%d associd=%x addr=%s\n",
2397 isnew, ni->ni_associd, ether_sprintf(ni->ni_macaddr));
2398
2399 for (i = 0; i < rs->rs_nrates; i++) {
2400 rate = rs->rs_rates[i] & IEEE80211_RATE_VAL;
2401 /* convert 802.11 rate to hardware rate index */
2402 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
2403 if (rt2860_rates[ridx].rate == rate)
2404 break;
2405 rn->ridx[i] = ridx;
2406 /* determine rate of control response frames */
2407 for (j = i; j >= 0; j--) {
2408 if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) &&
2409 rt2860_rates[rn->ridx[i]].phy ==
2410 rt2860_rates[rn->ridx[j]].phy)
2411 break;
2412 }
2413 if (j >= 0) {
2414 rn->ctl_ridx[i] = rn->ridx[j];
2415 } else {
2416 /* no basic rate found, use mandatory one */
2417 rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx;
2418 }
2419 DPRINTF("rate=0x%02x ridx=%d ctl_ridx=%d\n",
2420 rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]);
2421 }
2422 rate = vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)].mgmtrate;
2423 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
2424 if (rt2860_rates[ridx].rate == rate)
2425 break;
2426 rn->mgt_ridx = ridx;
2427 DPRINTF("rate=%d, mgmt_ridx=%d\n", rate, rn->mgt_ridx);
2428
2429 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc);
2430}
2431
2432/*
2433 * Return the Rx chain with the highest RSSI for a given frame.
2434 */
2435static __inline uint8_t
2436run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi)
2437{
2438 uint8_t rxchain = 0;
2439
2440 if (sc->nrxchains > 1) {
2441 if (rxwi->rssi[1] > rxwi->rssi[rxchain])
2442 rxchain = 1;
2443 if (sc->nrxchains > 2)
2444 if (rxwi->rssi[2] > rxwi->rssi[rxchain])
2445 rxchain = 2;
2446 }
2447 return (rxchain);
2448}
2449
2450static void
2451run_rx_frame(struct run_softc *sc, struct mbuf *m, uint32_t dmalen)
2452{
2453 struct ifnet *ifp = sc->sc_ifp;
2454 struct ieee80211com *ic = ifp->if_l2com;
2455 struct ieee80211_frame *wh;
2456 struct ieee80211_node *ni;
2457 struct rt2870_rxd *rxd;
2458 struct rt2860_rxwi *rxwi;
2459 uint32_t flags;
2460 uint16_t len, phy;
2461 uint8_t ant, rssi;
2462 int8_t nf;
2463
2464 rxwi = mtod(m, struct rt2860_rxwi *);
2465 len = le16toh(rxwi->len) & 0xfff;
2466 if (__predict_false(len > dmalen)) {
2467 m_freem(m);
2468 ifp->if_ierrors++;
2469 DPRINTF("bad RXWI length %u > %u\n", len, dmalen);
2470 return;
2471 }
2472 /* Rx descriptor is located at the end */
2473 rxd = (struct rt2870_rxd *)(mtod(m, caddr_t) + dmalen);
2474 flags = le32toh(rxd->flags);
2475
2476 if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) {
2477 m_freem(m);
2478 ifp->if_ierrors++;
2479 DPRINTF("%s error.\n", (flags & RT2860_RX_CRCERR)?"CRC":"ICV");
2480 return;
2481 }
2482
2483 m->m_data += sizeof(struct rt2860_rxwi);
2484 m->m_pkthdr.len = m->m_len -= sizeof(struct rt2860_rxwi);
2485
2486 wh = mtod(m, struct ieee80211_frame *);
2487
2488 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2489 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
2490 m->m_flags |= M_WEP;
2491 }
2492
2493 if (flags & RT2860_RX_L2PAD) {
2494 DPRINTFN(8, "received RT2860_RX_L2PAD frame\n");
2495 len += 2;
2496 }
2497
2498 ni = ieee80211_find_rxnode(ic,
2499 mtod(m, struct ieee80211_frame_min *));
2500
2501 if (__predict_false(flags & RT2860_RX_MICERR)) {
2502 /* report MIC failures to net80211 for TKIP */
2503 if (ni != NULL)
2504 ieee80211_notify_michael_failure(ni->ni_vap, wh, rxwi->keyidx);
2505 m_freem(m);
2506 ifp->if_ierrors++;
2507 DPRINTF("MIC error. Someone is lying.\n");
2508 return;
2509 }
2510
2511 ant = run_maxrssi_chain(sc, rxwi);
2512 rssi = rxwi->rssi[ant];
2513 nf = run_rssi2dbm(sc, rssi, ant);
2514
2515 m->m_pkthdr.rcvif = ifp;
2516 m->m_pkthdr.len = m->m_len = len;
2517
2518 if (ni != NULL) {
2519 (void)ieee80211_input(ni, m, rssi, nf);
2520 ieee80211_free_node(ni);
2521 } else {
2522 (void)ieee80211_input_all(ic, m, rssi, nf);
2523 }
2524
2525 if (__predict_false(ieee80211_radiotap_active(ic))) {
2526 struct run_rx_radiotap_header *tap = &sc->sc_rxtap;
2527
2528 tap->wr_flags = 0;
2529 tap->wr_chan_freq = htole16(ic->ic_bsschan->ic_freq);
2530 tap->wr_chan_flags = htole16(ic->ic_bsschan->ic_flags);
2531 tap->wr_antsignal = rssi;
2532 tap->wr_antenna = ant;
2533 tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant);
2534 tap->wr_rate = 2; /* in case it can't be found below */
2535 phy = le16toh(rxwi->phy);
2536 switch (phy & RT2860_PHY_MODE) {
2537 case RT2860_PHY_CCK:
2538 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
2539 case 0: tap->wr_rate = 2; break;
2540 case 1: tap->wr_rate = 4; break;
2541 case 2: tap->wr_rate = 11; break;
2542 case 3: tap->wr_rate = 22; break;
2543 }
2544 if (phy & RT2860_PHY_SHPRE)
2545 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2546 break;
2547 case RT2860_PHY_OFDM:
2548 switch (phy & RT2860_PHY_MCS) {
2549 case 0: tap->wr_rate = 12; break;
2550 case 1: tap->wr_rate = 18; break;
2551 case 2: tap->wr_rate = 24; break;
2552 case 3: tap->wr_rate = 36; break;
2553 case 4: tap->wr_rate = 48; break;
2554 case 5: tap->wr_rate = 72; break;
2555 case 6: tap->wr_rate = 96; break;
2556 case 7: tap->wr_rate = 108; break;
2557 }
2558 break;
2559 }
2560 }
2561}
2562
2563static void
2564run_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
2565{
2566 struct run_softc *sc = usbd_xfer_softc(xfer);
2567 struct ifnet *ifp = sc->sc_ifp;
2568 struct mbuf *m = NULL;
2569 struct mbuf *m0;
2570 uint32_t dmalen;
2571 int xferlen;
2572
2573 usbd_xfer_status(xfer, &xferlen, NULL, NULL, NULL);
2574
2575 switch (USB_GET_STATE(xfer)) {
2576 case USB_ST_TRANSFERRED:
2577
2578 DPRINTFN(15, "rx done, actlen=%d\n", xferlen);
2579
2580 if (xferlen < sizeof (uint32_t) +
2581 sizeof (struct rt2860_rxwi) + sizeof (struct rt2870_rxd)) {
2582 DPRINTF("xfer too short %d\n", xferlen);
2583 goto tr_setup;
2584 }
2585
2586 m = sc->rx_m;
2587 sc->rx_m = NULL;
2588
2589 /* FALLTHROUGH */
2590 case USB_ST_SETUP:
2591tr_setup:
2592 if (sc->rx_m == NULL) {
2593 sc->rx_m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR,
2594 MJUMPAGESIZE /* xfer can be bigger than MCLBYTES */);
2595 }
2596 if (sc->rx_m == NULL) {
2597 DPRINTF("could not allocate mbuf - idle with stall\n");
2598 ifp->if_ierrors++;
2599 usbd_xfer_set_stall(xfer);
2600 usbd_xfer_set_frames(xfer, 0);
2601 } else {
2602 /*
2603 * Directly loading a mbuf cluster into DMA to
2604 * save some data copying. This works because
2605 * there is only one cluster.
2606 */
2607 usbd_xfer_set_frame_data(xfer, 0,
2608 mtod(sc->rx_m, caddr_t), RUN_MAX_RXSZ);
2609 usbd_xfer_set_frames(xfer, 1);
2610 }
2611 usbd_transfer_submit(xfer);
2612 break;
2613
2614 default: /* Error */
2615 if (error != USB_ERR_CANCELLED) {
2616 /* try to clear stall first */
2617 usbd_xfer_set_stall(xfer);
2618
2619 if (error == USB_ERR_TIMEOUT)
2620 device_printf(sc->sc_dev, "device timeout\n");
2621
2622 ifp->if_ierrors++;
2623
2624 goto tr_setup;
2625 }
2626 if (sc->rx_m != NULL) {
2627 m_freem(sc->rx_m);
2628 sc->rx_m = NULL;
2629 }
2630 break;
2631 }
2632
2633 if (m == NULL)
2634 return;
2635
2636 /* inputting all the frames must be last */
2637
2638 RUN_UNLOCK(sc);
2639
2640 m->m_pkthdr.len = m->m_len = xferlen;
2641
2642 /* HW can aggregate multiple 802.11 frames in a single USB xfer */
2643 for(;;) {
2644 dmalen = le32toh(*mtod(m, uint32_t *)) & 0xffff;
2645
2646 if ((dmalen == 0) || ((dmalen & 3) != 0)) {
2647 DPRINTF("bad DMA length %u\n", dmalen);
2648 break;
2649 }
2650 if ((dmalen + 8) > xferlen) {
2651 DPRINTF("bad DMA length %u > %d\n",
2652 dmalen + 8, xferlen);
2653 break;
2654 }
2655
2656 /* If it is the last one or a single frame, we won't copy. */
2657 if ((xferlen -= dmalen + 8) <= 8) {
2658 /* trim 32-bit DMA-len header */
2659 m->m_data += 4;
2660 m->m_pkthdr.len = m->m_len -= 4;
2661 run_rx_frame(sc, m, dmalen);
2662 break;
2663 }
2664
2665 /* copy aggregated frames to another mbuf */
2666 m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
2667 if (__predict_false(m0 == NULL)) {
2668 DPRINTF("could not allocate mbuf\n");
2669 ifp->if_ierrors++;
2670 break;
2671 }
2672 m_copydata(m, 4 /* skip 32-bit DMA-len header */,
2673 dmalen + sizeof(struct rt2870_rxd), mtod(m0, caddr_t));
2674 m0->m_pkthdr.len = m0->m_len =
2675 dmalen + sizeof(struct rt2870_rxd);
2676 run_rx_frame(sc, m0, dmalen);
2677
2678 /* update data ptr */
2679 m->m_data += dmalen + 8;
2680 m->m_pkthdr.len = m->m_len -= dmalen + 8;
2681 }
2682
2683 RUN_LOCK(sc);
2684}
2685
2686static void
2687run_tx_free(struct run_endpoint_queue *pq,
2688 struct run_tx_data *data, int txerr)
2689{
2690 if (data->m != NULL) {
2691 if (data->m->m_flags & M_TXCB)
2692 ieee80211_process_callback(data->ni, data->m,
2693 txerr ? ETIMEDOUT : 0);
2694 m_freem(data->m);
2695 data->m = NULL;
2696
2697 if (data->ni == NULL) {
2698 DPRINTF("no node\n");
2699 } else {
2700 ieee80211_free_node(data->ni);
2701 data->ni = NULL;
2702 }
2703 }
2704
2705 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next);
2706 pq->tx_nfree++;
2707}
2708
2709static void
2710run_bulk_tx_callbackN(struct usb_xfer *xfer, usb_error_t error, unsigned int index)
2711{
2712 struct run_softc *sc = usbd_xfer_softc(xfer);
2713 struct ifnet *ifp = sc->sc_ifp;
2714 struct ieee80211com *ic = ifp->if_l2com;
2715 struct run_tx_data *data;
2716 struct ieee80211vap *vap = NULL;
2717 struct usb_page_cache *pc;
2718 struct run_endpoint_queue *pq = &sc->sc_epq[index];
2719 struct mbuf *m;
2720 usb_frlength_t size;
2721 unsigned int len;
2722 int actlen;
2723 int sumlen;
2724
2725 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
2726
2727 switch (USB_GET_STATE(xfer)) {
2728 case USB_ST_TRANSFERRED:
2729 DPRINTFN(11, "transfer complete: %d "
2730 "bytes @ index %d\n", actlen, index);
2731
2732 data = usbd_xfer_get_priv(xfer);
2733
2734 run_tx_free(pq, data, 0);
2735 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
2736
2737 usbd_xfer_set_priv(xfer, NULL);
2738
2739 ifp->if_opackets++;
2740
2741 /* FALLTHROUGH */
2742 case USB_ST_SETUP:
2743tr_setup:
2744 data = STAILQ_FIRST(&pq->tx_qh);
2745 if (data == NULL)
2746 break;
2747
2748 STAILQ_REMOVE_HEAD(&pq->tx_qh, next);
2749
2750 m = data->m;
2751 if (m->m_pkthdr.len > RUN_MAX_TXSZ) {
2752 DPRINTF("data overflow, %u bytes\n",
2753 m->m_pkthdr.len);
2754
2755 ifp->if_oerrors++;
2756
2757 run_tx_free(pq, data, 1);
2758
2759 goto tr_setup;
2760 }
2761
2762 pc = usbd_xfer_get_frame(xfer, 0);
2763 size = sizeof(data->desc);
2764 usbd_copy_in(pc, 0, &data->desc, size);
2765 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len);
2766
2767 vap = data->ni->ni_vap;
2768 if (ieee80211_radiotap_active_vap(vap)) {
2769 struct run_tx_radiotap_header *tap = &sc->sc_txtap;
2770 struct rt2860_txwi *txwi =
2771 (struct rt2860_txwi *)(&data->desc + sizeof(struct rt2870_txd));
2772
2773 tap->wt_flags = 0;
2774 tap->wt_rate = rt2860_rates[data->ridx].rate;
2775 tap->wt_chan_freq = htole16(vap->iv_bss->ni_chan->ic_freq);
2776 tap->wt_chan_flags = htole16(vap->iv_bss->ni_chan->ic_flags);
2777 tap->wt_hwqueue = index;
2778 if (le16toh(txwi->phy) & RT2860_PHY_SHPRE)
2779 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2780
2781 ieee80211_radiotap_tx(vap, m);
2782 }
2783
2784 /* align end on a 4-bytes boundary */
2785 len = (size + IEEE80211_CRC_LEN + m->m_pkthdr.len + 3) & ~3;
2786
2787 DPRINTFN(11, "sending frame len=%u xferlen=%u @ index %d\n",
2788 m->m_pkthdr.len, len, index);
2789
2790 usbd_xfer_set_frame_len(xfer, 0, len);
2791 usbd_xfer_set_priv(xfer, data);
2792
2793 usbd_transfer_submit(xfer);
2794
2795 RUN_UNLOCK(sc);
2796 run_start(ifp);
2797 RUN_LOCK(sc);
2798
2799 break;
2800
2801 default:
2802 DPRINTF("USB transfer error, %s\n",
2803 usbd_errstr(error));
2804
2805 data = usbd_xfer_get_priv(xfer);
2806
2807 ifp->if_oerrors++;
2808
2809 if (data != NULL) {
2810 if(data->ni != NULL)
2811 vap = data->ni->ni_vap;
2812 run_tx_free(pq, data, error);
2813 usbd_xfer_set_priv(xfer, NULL);
2814 }
2815 if (vap == NULL)
2816 vap = TAILQ_FIRST(&ic->ic_vaps);
2817
2818 if (error != USB_ERR_CANCELLED) {
2819 if (error == USB_ERR_TIMEOUT) {
2820 device_printf(sc->sc_dev, "device timeout\n");
2821 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store);
2822 DPRINTF("cmdq_store=%d\n", i);
2823 sc->cmdq[i].func = run_usb_timeout_cb;
2824 sc->cmdq[i].arg0 = vap;
2825 ieee80211_runtask(ic, &sc->cmdq_task);
2826 }
2827
2828 /*
2829 * Try to clear stall first, also if other
2830 * errors occur, hence clearing stall
2831 * introduces a 50 ms delay:
2832 */
2833 usbd_xfer_set_stall(xfer);
2834 goto tr_setup;
2835 }
2836 break;
2837 }
2838}
2839
2840static void
2841run_bulk_tx_callback0(struct usb_xfer *xfer, usb_error_t error)
2842{
2843 run_bulk_tx_callbackN(xfer, error, 0);
2844}
2845
2846static void
2847run_bulk_tx_callback1(struct usb_xfer *xfer, usb_error_t error)
2848{
2849 run_bulk_tx_callbackN(xfer, error, 1);
2850}
2851
2852static void
2853run_bulk_tx_callback2(struct usb_xfer *xfer, usb_error_t error)
2854{
2855 run_bulk_tx_callbackN(xfer, error, 2);
2856}
2857
2858static void
2859run_bulk_tx_callback3(struct usb_xfer *xfer, usb_error_t error)
2860{
2861 run_bulk_tx_callbackN(xfer, error, 3);
2862}
2863
2864static void
2865run_bulk_tx_callback4(struct usb_xfer *xfer, usb_error_t error)
2866{
2867 run_bulk_tx_callbackN(xfer, error, 4);
2868}
2869
2870static void
2871run_bulk_tx_callback5(struct usb_xfer *xfer, usb_error_t error)
2872{
2873 run_bulk_tx_callbackN(xfer, error, 5);
2874}
2875
2876static void
2877run_set_tx_desc(struct run_softc *sc, struct run_tx_data *data)
2878{
2879 struct mbuf *m = data->m;
2880 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
2881 struct ieee80211vap *vap = data->ni->ni_vap;
2882 struct ieee80211_frame *wh;
2883 struct rt2870_txd *txd;
2884 struct rt2860_txwi *txwi;
2885 uint16_t xferlen;
2886 uint16_t mcs;
2887 uint8_t ridx = data->ridx;
2888 uint8_t pad;
2889
2890 /* get MCS code from rate index */
2891 mcs = rt2860_rates[ridx].mcs;
2892
2893 xferlen = sizeof(*txwi) + m->m_pkthdr.len;
2894
2895 /* roundup to 32-bit alignment */
2896 xferlen = (xferlen + 3) & ~3;
2897
2898 txd = (struct rt2870_txd *)&data->desc;
2899 txd->len = htole16(xferlen);
2900
2901 wh = mtod(m, struct ieee80211_frame *);
2902
2903 /*
2904 * Ether both are true or both are false, the header
2905 * are nicely aligned to 32-bit. So, no L2 padding.
2906 */
2907 if(IEEE80211_HAS_ADDR4(wh) == IEEE80211_QOS_HAS_SEQ(wh))
2908 pad = 0;
2909 else
2910 pad = 2;
2911
2912 /* setup TX Wireless Information */
2913 txwi = (struct rt2860_txwi *)(txd + 1);
2914 txwi->len = htole16(m->m_pkthdr.len - pad);
2915 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) {
2916 txwi->phy = htole16(RT2860_PHY_CCK);
2917 if (ridx != RT2860_RIDX_CCK1 &&
2918 (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
2919 mcs |= RT2860_PHY_SHPRE;
2920 } else
2921 txwi->phy = htole16(RT2860_PHY_OFDM);
2922 txwi->phy |= htole16(mcs);
2923
2924 /* check if RTS/CTS or CTS-to-self protection is required */
2925 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
2926 (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold ||
2927 ((ic->ic_flags & IEEE80211_F_USEPROT) &&
2928 rt2860_rates[ridx].phy == IEEE80211_T_OFDM)))
2929 txwi->txop |= RT2860_TX_TXOP_HT;
2930 else
2931 txwi->txop |= RT2860_TX_TXOP_BACKOFF;
2932
2933 if (vap->iv_opmode != IEEE80211_M_STA && !IEEE80211_QOS_HAS_SEQ(wh))
2934 txwi->xflags |= RT2860_TX_NSEQ;
2935}
2936
2937/* This function must be called locked */
2938static int
2939run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
2940{
2941 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
2942 struct ieee80211vap *vap = ni->ni_vap;
2943 struct ieee80211_frame *wh;
2944 struct ieee80211_channel *chan;
2945 const struct ieee80211_txparam *tp;
2946 struct run_node *rn = (void *)ni;
2947 struct run_tx_data *data;
2948 struct rt2870_txd *txd;
2949 struct rt2860_txwi *txwi;
2950 uint16_t qos;
2951 uint16_t dur;
2952 uint16_t qid;
2953 uint8_t type;
2954 uint8_t tid;
2955 uint8_t ridx;
2956 uint8_t ctl_ridx;
2957 uint8_t qflags;
2958 uint8_t xflags = 0;
2959 int hasqos;
2960
2961 RUN_LOCK_ASSERT(sc, MA_OWNED);
2962
2963 wh = mtod(m, struct ieee80211_frame *);
2964
2965 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
2966
2967 /*
2968 * There are 7 bulk endpoints: 1 for RX
2969 * and 6 for TX (4 EDCAs + HCCA + Prio).
2970 * Update 03-14-2009: some devices like the Planex GW-US300MiniS
2971 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
2972 */
2973 if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) {
2974 uint8_t *frm;
2975
2976 if(IEEE80211_HAS_ADDR4(wh))
2977 frm = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos;
2978 else
2979 frm =((struct ieee80211_qosframe *)wh)->i_qos;
2980
2981 qos = le16toh(*(const uint16_t *)frm);
2982 tid = qos & IEEE80211_QOS_TID;
2983 qid = TID_TO_WME_AC(tid);
2984 } else {
2985 qos = 0;
2986 tid = 0;
2987 qid = WME_AC_BE;
2988 }
2989 qflags = (qid < 4) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_HCCA;
2990
2991 DPRINTFN(8, "qos %d\tqid %d\ttid %d\tqflags %x\n",
2992 qos, qid, tid, qflags);
2993
2994 chan = (ni->ni_chan != IEEE80211_CHAN_ANYC)?ni->ni_chan:ic->ic_curchan;
2995 tp = &vap->iv_txparms[ieee80211_chan2mode(chan)];
2996
2997 /* pickup a rate index */
2998 if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
2999 type != IEEE80211_FC0_TYPE_DATA) {
3000 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
3001 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
3002 ctl_ridx = rt2860_rates[ridx].ctl_ridx;
3003 } else {
3004 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
3005 ridx = rn->fix_ridx;
3006 else
3007 ridx = rn->amrr_ridx;
3008 ctl_ridx = rt2860_rates[ridx].ctl_ridx;
3009 }
3010
3011 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3012 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) !=
3013 IEEE80211_QOS_ACKPOLICY_NOACK)) {
3014 xflags |= RT2860_TX_ACK;
3015 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3016 dur = rt2860_rates[ctl_ridx].sp_ack_dur;
3017 else
3018 dur = rt2860_rates[ctl_ridx].lp_ack_dur;
3019 *(uint16_t *)wh->i_dur = htole16(dur);
3020 }
3021
3022 /* reserve slots for mgmt packets, just in case */
3023 if (sc->sc_epq[qid].tx_nfree < 3) {
3024 DPRINTFN(10, "tx ring %d is full\n", qid);
3025 return (-1);
3026 }
3027
3028 data = STAILQ_FIRST(&sc->sc_epq[qid].tx_fh);
3029 STAILQ_REMOVE_HEAD(&sc->sc_epq[qid].tx_fh, next);
3030 sc->sc_epq[qid].tx_nfree--;
3031
3032 txd = (struct rt2870_txd *)&data->desc;
3033 txd->flags = qflags;
3034 txwi = (struct rt2860_txwi *)(txd + 1);
3035 txwi->xflags = xflags;
3036 txwi->wcid = IEEE80211_IS_MULTICAST(wh->i_addr1) ?
3037 0 : RUN_AID2WCID(ni->ni_associd);
3038 /* clear leftover garbage bits */
3039 txwi->flags = 0;
3040 txwi->txop = 0;
3041
3042 data->m = m;
3043 data->ni = ni;
3044 data->ridx = ridx;
3045
3046 run_set_tx_desc(sc, data);
3047
3048 /*
3049 * The chip keeps track of 2 kind of Tx stats,
3050 * * TX_STAT_FIFO, for per WCID stats, and
3051 * * TX_STA_CNT0 for all-TX-in-one stats.
3052 *
3053 * To use FIFO stats, we need to store MCS into the driver-private
3054 * PacketID field. So that, we can tell whose stats when we read them.
3055 * We add 1 to the MCS because setting the PacketID field to 0 means
3056 * that we don't want feedback in TX_STAT_FIFO.
3057 * And, that's what we want for STA mode, since TX_STA_CNT0 does the job.
3058 *
3059 * FIFO stats doesn't count Tx with WCID 0xff, so we do this in run_tx().
3060 */
3061 if (sc->rvp_cnt > 1 || vap->iv_opmode == IEEE80211_M_HOSTAP ||
3062 vap->iv_opmode == IEEE80211_M_MBSS) {
3063 uint16_t pid = (rt2860_rates[ridx].mcs + 1) & 0xf;
3064 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT);
3065
3066 /*
3067 * Unlike PCI based devices, we don't get any interrupt from
3068 * USB devices, so we simulate FIFO-is-full interrupt here.
3069 * Ralink recomends to drain FIFO stats every 100 ms, but 16 slots
3070 * quickly get fulled. To prevent overflow, increment a counter on
3071 * every FIFO stat request, so we know how many slots are left.
3072 * We do this only in HOSTAP or multiple vap mode since FIFO stats
3073 * are used only in those modes.
3074 * We just drain stats. AMRR gets updated every 1 sec by
3075 * run_ratectl_cb() via callout.
3076 * Call it early. Otherwise overflow.
3077 */
3078 if (sc->fifo_cnt++ == 10) {
3079 /*
3080 * With multiple vaps or if_bridge, if_start() is called
3081 * with a non-sleepable lock, tcpinp. So, need to defer.
3082 */
3083 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store);
3084 DPRINTFN(6, "cmdq_store=%d\n", i);
3085 sc->cmdq[i].func = run_drain_fifo;
3086 sc->cmdq[i].arg0 = sc;
3087 ieee80211_runtask(ic, &sc->cmdq_task);
3088 }
3089 }
3090
3091 STAILQ_INSERT_TAIL(&sc->sc_epq[qid].tx_qh, data, next);
3092
3093 usbd_transfer_start(sc->sc_xfer[qid]);
3094
3095 DPRINTFN(8, "sending data frame len=%d rate=%d qid=%d\n", m->m_pkthdr.len +
3096 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)),
3097 rt2860_rates[ridx].rate, qid);
3098
3099 return (0);
3100}
3101
3102static int
3103run_tx_mgt(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
3104{
3105 struct ifnet *ifp = sc->sc_ifp;
3106 struct ieee80211com *ic = ifp->if_l2com;
3107 struct run_node *rn = (void *)ni;
3108 struct run_tx_data *data;
3109 struct ieee80211_frame *wh;
3110 struct rt2870_txd *txd;
3111 struct rt2860_txwi *txwi;
3112 uint16_t dur;
3113 uint8_t ridx = rn->mgt_ridx;
3114 uint8_t type;
3115 uint8_t xflags = 0;
3116 uint8_t wflags = 0;
3117
3118 RUN_LOCK_ASSERT(sc, MA_OWNED);
3119
3120 wh = mtod(m, struct ieee80211_frame *);
3121
3122 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3123
3124 /* tell hardware to add timestamp for probe responses */
3125 if ((wh->i_fc[0] &
3126 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3127 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3128 wflags |= RT2860_TX_TS;
3129 else if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
3130 xflags |= RT2860_TX_ACK;
3131
3132 dur = ieee80211_ack_duration(ic->ic_rt, rt2860_rates[ridx].rate,
3133 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3134 *(uint16_t *)wh->i_dur = htole16(dur);
3135 }
3136
3137 if (sc->sc_epq[0].tx_nfree == 0) {
3138 /* let caller free mbuf */
3139 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
3140 return (EIO);
3141 }
3142 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
3143 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
3144 sc->sc_epq[0].tx_nfree--;
3145
3146 txd = (struct rt2870_txd *)&data->desc;
3147 txd->flags = RT2860_TX_QSEL_EDCA;
3148 txwi = (struct rt2860_txwi *)(txd + 1);
3149 txwi->wcid = 0xff;
3150 txwi->flags = wflags;
3151 txwi->xflags = xflags;
3152 txwi->txop = 0; /* clear leftover garbage bits */
3153
3154 data->m = m;
3155 data->ni = ni;
3156 data->ridx = ridx;
3157
3158 run_set_tx_desc(sc, data);
3159
3160 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", m->m_pkthdr.len +
3161 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)),
3162 rt2860_rates[ridx].rate);
3163
3164 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
3165
3166 usbd_transfer_start(sc->sc_xfer[0]);
3167
3168 return (0);
3169}
3170
3171static int
3172run_sendprot(struct run_softc *sc,
3173 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
3174{
3175 struct ieee80211com *ic = ni->ni_ic;
3176 struct ieee80211_frame *wh;
3177 struct run_tx_data *data;
3178 struct rt2870_txd *txd;
3179 struct rt2860_txwi *txwi;
3180 struct mbuf *mprot;
3181 int ridx;
3182 int protrate;
3183 int ackrate;
3184 int pktlen;
3185 int isshort;
3186 uint16_t dur;
3187 uint8_t type;
3188 uint8_t wflags = 0;
3189 uint8_t xflags = 0;
3190
3191 RUN_LOCK_ASSERT(sc, MA_OWNED);
3192
3193 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
3194 ("protection %d", prot));
3195
3196 wh = mtod(m, struct ieee80211_frame *);
3197 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
3198 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3199
3200 protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
3201 ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
3202
3203 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
3204 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
3205 + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
3206 wflags = RT2860_TX_FRAG;
3207
3208 /* check that there are free slots before allocating the mbuf */
3209 if (sc->sc_epq[0].tx_nfree == 0) {
3210 /* let caller free mbuf */
3211 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
3212 return (ENOBUFS);
3213 }
3214
3215 if (prot == IEEE80211_PROT_RTSCTS) {
3216 /* NB: CTS is the same size as an ACK */
3217 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
3218 xflags |= RT2860_TX_ACK;
3219 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
3220 } else {
3221 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
3222 }
3223 if (mprot == NULL) {
3224 sc->sc_ifp->if_oerrors++;
3225 DPRINTF("could not allocate mbuf\n");
3226 return (ENOBUFS);
3227 }
3228
3229 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
3230 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
3231 sc->sc_epq[0].tx_nfree--;
3232
3233 txd = (struct rt2870_txd *)&data->desc;
3234 txd->flags = RT2860_TX_QSEL_EDCA;
3235 txwi = (struct rt2860_txwi *)(txd + 1);
3236 txwi->wcid = 0xff;
3237 txwi->flags = wflags;
3238 txwi->xflags = xflags;
3239 txwi->txop = 0; /* clear leftover garbage bits */
3240
3241 data->m = mprot;
3242 data->ni = ieee80211_ref_node(ni);
3243
3244 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
3245 if (rt2860_rates[ridx].rate == protrate)
3246 break;
3247 data->ridx = ridx;
3248
3249 run_set_tx_desc(sc, data);
3250
3251 DPRINTFN(1, "sending prot len=%u rate=%u\n",
3252 m->m_pkthdr.len, rate);
3253
3254 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
3255
3256 usbd_transfer_start(sc->sc_xfer[0]);
3257
3258 return (0);
3259}
3260
3261static int
3262run_tx_param(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni,
3263 const struct ieee80211_bpf_params *params)
3264{
3265 struct ieee80211com *ic = ni->ni_ic;
3266 struct ieee80211_frame *wh;
3267 struct run_tx_data *data;
3268 struct rt2870_txd *txd;
3269 struct rt2860_txwi *txwi;
3270 uint8_t type;
3271 uint8_t ridx;
3272 uint8_t rate;
3273 uint8_t opflags = 0;
3274 uint8_t xflags = 0;
3275 int error;
3276
3277 RUN_LOCK_ASSERT(sc, MA_OWNED);
3278
3279 KASSERT(params != NULL, ("no raw xmit params"));
3280
3281 wh = mtod(m, struct ieee80211_frame *);
3282 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3283
3284 rate = params->ibp_rate0;
3285 if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
3286 /* let caller free mbuf */
3287 return (EINVAL);
3288 }
3289
3290 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
3291 xflags |= RT2860_TX_ACK;
3292 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
3293 error = run_sendprot(sc, m, ni,
3294 params->ibp_flags & IEEE80211_BPF_RTS ?
3295 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
3296 rate);
3297 if (error) {
3298 /* let caller free mbuf */
3299 return error;
3300 }
3301 opflags |= /*XXX RT2573_TX_LONG_RETRY |*/ RT2860_TX_TXOP_SIFS;
3302 }
3303
3304 if (sc->sc_epq[0].tx_nfree == 0) {
3305 /* let caller free mbuf */
3306 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
3307 DPRINTF("sending raw frame, but tx ring is full\n");
3308 return (EIO);
3309 }
3310 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
3311 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
3312 sc->sc_epq[0].tx_nfree--;
3313
3314 txd = (struct rt2870_txd *)&data->desc;
3315 txd->flags = RT2860_TX_QSEL_EDCA;
3316 txwi = (struct rt2860_txwi *)(txd + 1);
3317 txwi->wcid = 0xff;
3318 txwi->xflags = xflags;
3319 txwi->txop = opflags;
3320 txwi->flags = 0; /* clear leftover garbage bits */
3321
3322 data->m = m;
3323 data->ni = ni;
3324 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
3325 if (rt2860_rates[ridx].rate == rate)
3326 break;
3327 data->ridx = ridx;
3328
3329 run_set_tx_desc(sc, data);
3330
3331 DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
3332 m->m_pkthdr.len, rate);
3333
3334 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
3335
3336 usbd_transfer_start(sc->sc_xfer[0]);
3337
3338 return (0);
3339}
3340
3341static int
3342run_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
3343 const struct ieee80211_bpf_params *params)
3344{
3345 struct ifnet *ifp = ni->ni_ic->ic_ifp;
3346 struct run_softc *sc = ifp->if_softc;
3347 int error = 0;
3348
3349 RUN_LOCK(sc);
3350
3351 /* prevent management frames from being sent if we're not ready */
3352 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
3353 error = ENETDOWN;
3354 goto done;
3355 }
3356
3357 if (params == NULL) {
3358 /* tx mgt packet */
3359 if ((error = run_tx_mgt(sc, m, ni)) != 0) {
3360 ifp->if_oerrors++;
3361 DPRINTF("mgt tx failed\n");
3362 goto done;
3363 }
3364 } else {
3365 /* tx raw packet with param */
3366 if ((error = run_tx_param(sc, m, ni, params)) != 0) {
3367 ifp->if_oerrors++;
3368 DPRINTF("tx with param failed\n");
3369 goto done;
3370 }
3371 }
3372
3373 ifp->if_opackets++;
3374
3375done:
3376 RUN_UNLOCK(sc);
3377
3378 if (error != 0) {
3379 if(m != NULL)
3380 m_freem(m);
3381 ieee80211_free_node(ni);
3382 }
3383
3384 return (error);
3385}
3386
3387static void
3388run_start(struct ifnet *ifp)
3389{
3390 struct run_softc *sc = ifp->if_softc;
3391 struct ieee80211_node *ni;
3392 struct mbuf *m;
3393
3394 RUN_LOCK(sc);
3395
3396 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
3397 RUN_UNLOCK(sc);
3398 return;
3399 }
3400
3401 for (;;) {
3402 /* send data frames */
3403 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
3404 if (m == NULL)
3405 break;
3406
3407 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
3408 if (run_tx(sc, m, ni) != 0) {
3409 IFQ_DRV_PREPEND(&ifp->if_snd, m);
3410 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
3411 break;
3412 }
3413 }
3414
3415 RUN_UNLOCK(sc);
3416}
3417
3418static int
3419run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3420{
3421 struct run_softc *sc = ifp->if_softc;
3422 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
3423 struct ifreq *ifr = (struct ifreq *) data;
3424 int startall = 0;
3425 int error = 0;
3426
3427 switch (cmd) {
3428 case SIOCSIFFLAGS:
3429 RUN_LOCK(sc);
3430 if (ifp->if_flags & IFF_UP) {
3431 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)){
3432 startall = 1;
3433 run_init_locked(sc);
3434 } else
3435 run_update_promisc_locked(ifp);
3436 } else {
3437 if (ifp->if_drv_flags & IFF_DRV_RUNNING &&
3438 (ic->ic_nrunning == 0 || sc->rvp_cnt <= 1)) {
3439 run_stop(sc);
3440 }
3441 }
3442 RUN_UNLOCK(sc);
3443 if (startall)
3444 ieee80211_start_all(ic);
3445 break;
3446 case SIOCGIFMEDIA:
3447 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
3448 break;
3449 case SIOCGIFADDR:
3450 error = ether_ioctl(ifp, cmd, data);
3451 break;
3452 default:
3453 error = EINVAL;
3454 break;
3455 }
3456
3457 return (error);
3458}
3459
3460static void
3461run_set_agc(struct run_softc *sc, uint8_t agc)
3462{
3463 uint8_t bbp;
3464
3465 if (sc->mac_ver == 0x3572) {
3466 run_bbp_read(sc, 27, &bbp);
3467 bbp &= ~(0x3 << 5);
3468 run_bbp_write(sc, 27, bbp | 0 << 5); /* select Rx0 */
3469 run_bbp_write(sc, 66, agc);
3470 run_bbp_write(sc, 27, bbp | 1 << 5); /* select Rx1 */
3471 run_bbp_write(sc, 66, agc);
3472 } else
3473 run_bbp_write(sc, 66, agc);
3474}
3475
3476static void
3477run_select_chan_group(struct run_softc *sc, int group)
3478{
3479 uint32_t tmp;
3480 uint8_t agc;
3481
3482 run_bbp_write(sc, 62, 0x37 - sc->lna[group]);
3483 run_bbp_write(sc, 63, 0x37 - sc->lna[group]);
3484 run_bbp_write(sc, 64, 0x37 - sc->lna[group]);
3485 run_bbp_write(sc, 86, 0x00);
3486
3487 if (group == 0) {
3488 if (sc->ext_2ghz_lna) {
3489 run_bbp_write(sc, 82, 0x62);
3490 run_bbp_write(sc, 75, 0x46);
3491 } else {
3492 run_bbp_write(sc, 82, 0x84);
3493 run_bbp_write(sc, 75, 0x50);
3494 }
3495 } else {
3496 if (sc->mac_ver == 0x3572)
3497 run_bbp_write(sc, 82, 0x94);
3498 else
3499 run_bbp_write(sc, 82, 0xf2);
3500 if (sc->ext_5ghz_lna)
3501 run_bbp_write(sc, 75, 0x46);
3502 else
3503 run_bbp_write(sc, 75, 0x50);
3504 }
3505
3506 run_read(sc, RT2860_TX_BAND_CFG, &tmp);
3507 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P);
3508 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P;
3509 run_write(sc, RT2860_TX_BAND_CFG, tmp);
3510
3511 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */
3512 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN;
3513 if (sc->nrxchains > 1)
3514 tmp |= RT2860_LNA_PE1_EN;
3515 if (group == 0) { /* 2GHz */
3516 tmp |= RT2860_PA_PE_G0_EN;
3517 if (sc->ntxchains > 1)
3518 tmp |= RT2860_PA_PE_G1_EN;
3519 } else { /* 5GHz */
3520 tmp |= RT2860_PA_PE_A0_EN;
3521 if (sc->ntxchains > 1)
3522 tmp |= RT2860_PA_PE_A1_EN;
3523 }
3524 if (sc->mac_ver == 0x3572) {
3525 run_rt3070_rf_write(sc, 8, 0x00);
3526 run_write(sc, RT2860_TX_PIN_CFG, tmp);
3527 run_rt3070_rf_write(sc, 8, 0x80);
3528 } else
3529 run_write(sc, RT2860_TX_PIN_CFG, tmp);
3530
3531 /* set initial AGC value */
3532 if (group == 0) { /* 2GHz band */
3533 if (sc->mac_ver >= 0x3070)
3534 agc = 0x1c + sc->lna[0] * 2;
3535 else
3536 agc = 0x2e + sc->lna[0];
3537 } else { /* 5GHz band */
3538 if (sc->mac_ver == 0x3572)
3539 agc = 0x22 + (sc->lna[group] * 5) / 3;
3540 else
3541 agc = 0x32 + (sc->lna[group] * 5) / 3;
3542 }
3543 run_set_agc(sc, agc);
3544}
3545
3546static void
3547run_rt2870_set_chan(struct run_softc *sc, uint32_t chan)
3548{
3549 const struct rfprog *rfprog = rt2860_rf2850;
3550 uint32_t r2, r3, r4;
3551 int8_t txpow1, txpow2;
3552 int i;
3553
3554 /* find the settings for this channel (we know it exists) */
3555 for (i = 0; rfprog[i].chan != chan; i++);
3556
3557 r2 = rfprog[i].r2;
3558 if (sc->ntxchains == 1)
3559 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */
3560 if (sc->nrxchains == 1)
3561 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
3562 else if (sc->nrxchains == 2)
3563 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */
3564
3565 /* use Tx power values from EEPROM */
3566 txpow1 = sc->txpow1[i];
3567 txpow2 = sc->txpow2[i];
3568 if (chan > 14) {
3569 if (txpow1 >= 0)
3570 txpow1 = txpow1 << 1 | 1;
3571 else
3572 txpow1 = (7 + txpow1) << 1;
3573 if (txpow2 >= 0)
3574 txpow2 = txpow2 << 1 | 1;
3575 else
3576 txpow2 = (7 + txpow2) << 1;
3577 }
3578 r3 = rfprog[i].r3 | txpow1 << 7;
3579 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4;
3580
3581 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
3582 run_rt2870_rf_write(sc, RT2860_RF2, r2);
3583 run_rt2870_rf_write(sc, RT2860_RF3, r3);
3584 run_rt2870_rf_write(sc, RT2860_RF4, r4);
3585
3586 run_delay(sc, 10);
3587
3588 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
3589 run_rt2870_rf_write(sc, RT2860_RF2, r2);
3590 run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1);
3591 run_rt2870_rf_write(sc, RT2860_RF4, r4);
3592
3593 run_delay(sc, 10);
3594
3595 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
3596 run_rt2870_rf_write(sc, RT2860_RF2, r2);
3597 run_rt2870_rf_write(sc, RT2860_RF3, r3);
3598 run_rt2870_rf_write(sc, RT2860_RF4, r4);
3599}
3600
3601static void
3602run_rt3070_set_chan(struct run_softc *sc, uint32_t chan)
3603{
3604 int8_t txpow1, txpow2;
3605 uint8_t rf;
3606 int i;
3607
3608 /* RT3070 is 2GHz only */
3609 KASSERT(chan >= 1 && chan <= 14, ("wrong channel selected\n"));
3610
3611 /* find the settings for this channel (we know it exists) */
3612 for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3613
3614 /* use Tx power values from EEPROM */
3615 txpow1 = sc->txpow1[i];
3616 txpow2 = sc->txpow2[i];
3617
3618 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
3619 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
3620 run_rt3070_rf_read(sc, 6, &rf);
3621 rf = (rf & ~0x03) | rt3070_freqs[i].r;
3622 run_rt3070_rf_write(sc, 6, rf);
3623
3624 /* set Tx0 power */
3625 run_rt3070_rf_read(sc, 12, &rf);
3626 rf = (rf & ~0x1f) | txpow1;
3627 run_rt3070_rf_write(sc, 12, rf);
3628
3629 /* set Tx1 power */
3630 run_rt3070_rf_read(sc, 13, &rf);
3631 rf = (rf & ~0x1f) | txpow2;
3632 run_rt3070_rf_write(sc, 13, rf);
3633
3634 run_rt3070_rf_read(sc, 1, &rf);
3635 rf &= ~0xfc;
3636 if (sc->ntxchains == 1)
3637 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */
3638 else if (sc->ntxchains == 2)
3639 rf |= 1 << 7; /* 2T: disable Tx chain 3 */
3640 if (sc->nrxchains == 1)
3641 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
3642 else if (sc->nrxchains == 2)
3643 rf |= 1 << 6; /* 2R: disable Rx chain 3 */
3644 run_rt3070_rf_write(sc, 1, rf);
3645
3646 /* set RF offset */
3647 run_rt3070_rf_read(sc, 23, &rf);
3648 rf = (rf & ~0x7f) | sc->freq;
3649 run_rt3070_rf_write(sc, 23, rf);
3650
3651 /* program RF filter */
3652 run_rt3070_rf_read(sc, 24, &rf); /* Tx */
3653 rf = (rf & ~0x3f) | sc->rf24_20mhz;
3654 run_rt3070_rf_write(sc, 24, rf);
3655 run_rt3070_rf_read(sc, 31, &rf); /* Rx */
3656 rf = (rf & ~0x3f) | sc->rf24_20mhz;
3657 run_rt3070_rf_write(sc, 31, rf);
3658
3659 /* enable RF tuning */
3660 run_rt3070_rf_read(sc, 7, &rf);
3661 run_rt3070_rf_write(sc, 7, rf | 0x01);
3662}
3663
3664static void
3665run_rt3572_set_chan(struct run_softc *sc, u_int chan)
3666{
3667 int8_t txpow1, txpow2;
3668 uint32_t tmp;
3669 uint8_t rf;
3670 int i;
3671
3672 /* find the settings for this channel (we know it exists) */
3673 for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3674
3675 /* use Tx power values from EEPROM */
3676 txpow1 = sc->txpow1[i];
3677 txpow2 = sc->txpow2[i];
3678
3679 if (chan <= 14) {
3680 run_bbp_write(sc, 25, sc->bbp25);
3681 run_bbp_write(sc, 26, sc->bbp26);
3682 } else {
3683 /* enable IQ phase correction */
3684 run_bbp_write(sc, 25, 0x09);
3685 run_bbp_write(sc, 26, 0xff);
3686 }
3687
3688 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
3689 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
3690 run_rt3070_rf_read(sc, 6, &rf);
3691 rf = (rf & ~0x0f) | rt3070_freqs[i].r;
3692 rf |= (chan <= 14) ? 0x08 : 0x04;
3693 run_rt3070_rf_write(sc, 6, rf);
3694
3695 /* set PLL mode */
3696 run_rt3070_rf_read(sc, 5, &rf);
3697 rf &= ~(0x08 | 0x04);
3698 rf |= (chan <= 14) ? 0x04 : 0x08;
3699 run_rt3070_rf_write(sc, 5, rf);
3700
3701 /* set Tx power for chain 0 */
3702 if (chan <= 14)
3703 rf = 0x60 | txpow1;
3704 else
3705 rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3);
3706 run_rt3070_rf_write(sc, 12, rf);
3707
3708 /* set Tx power for chain 1 */
3709 if (chan <= 14)
3710 rf = 0x60 | txpow2;
3711 else
3712 rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3);
3713 run_rt3070_rf_write(sc, 13, rf);
3714
3715 /* set Tx/Rx streams */
3716 run_rt3070_rf_read(sc, 1, &rf);
3717 rf &= ~0xfc;
3718 if (sc->ntxchains == 1)
3719 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */
3720 else if (sc->ntxchains == 2)
3721 rf |= 1 << 7; /* 2T: disable Tx chain 3 */
3722 if (sc->nrxchains == 1)
3723 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
3724 else if (sc->nrxchains == 2)
3725 rf |= 1 << 6; /* 2R: disable Rx chain 3 */
3726 run_rt3070_rf_write(sc, 1, rf);
3727
3728 /* set RF offset */
3729 run_rt3070_rf_read(sc, 23, &rf);
3730 rf = (rf & ~0x7f) | sc->freq;
3731 run_rt3070_rf_write(sc, 23, rf);
3732
3733 /* program RF filter */
3734 rf = sc->rf24_20mhz;
3735 run_rt3070_rf_write(sc, 24, rf); /* Tx */
3736 run_rt3070_rf_write(sc, 31, rf); /* Rx */
3737
3738 /* enable RF tuning */
3739 run_rt3070_rf_read(sc, 7, &rf);
3740 rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14);
3741 run_rt3070_rf_write(sc, 7, rf);
3742
3743 /* TSSI */
3744 rf = (chan <= 14) ? 0xc3 : 0xc0;
3745 run_rt3070_rf_write(sc, 9, rf);
3746
3747 /* set loop filter 1 */
3748 run_rt3070_rf_write(sc, 10, 0xf1);
3749 /* set loop filter 2 */
3750 run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00);
3751
3752 /* set tx_mx2_ic */
3753 run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43);
3754 /* set tx_mx1_ic */
3755 if (chan <= 14)
3756 rf = 0x48 | sc->txmixgain_2ghz;
3757 else
3758 rf = 0x78 | sc->txmixgain_5ghz;
3759 run_rt3070_rf_write(sc, 16, rf);
3760
3761 /* set tx_lo1 */
3762 run_rt3070_rf_write(sc, 17, 0x23);
3763 /* set tx_lo2 */
3764 if (chan <= 14)
3765 rf = 0x93;
3766 else if (chan <= 64)
3767 rf = 0xb7;
3768 else if (chan <= 128)
3769 rf = 0x74;
3770 else
3771 rf = 0x72;
3772 run_rt3070_rf_write(sc, 19, rf);
3773
3774 /* set rx_lo1 */
3775 if (chan <= 14)
3776 rf = 0xb3;
3777 else if (chan <= 64)
3778 rf = 0xf6;
3779 else if (chan <= 128)
3780 rf = 0xf4;
3781 else
3782 rf = 0xf3;
3783 run_rt3070_rf_write(sc, 20, rf);
3784
3785 /* set pfd_delay */
3786 if (chan <= 14)
3787 rf = 0x15;
3788 else if (chan <= 64)
3789 rf = 0x3d;
3790 else
3791 rf = 0x01;
3792 run_rt3070_rf_write(sc, 25, rf);
3793
3794 /* set rx_lo2 */
3795 run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87);
3796 /* set ldo_rf_vc */
3797 run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01);
3798 /* set drv_cc */
3799 run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f);
3800
3801 run_read(sc, RT2860_GPIO_CTRL, &tmp);
3802 tmp &= ~0x8080;
3803 if (chan <= 14)
3804 tmp |= 0x80;
3805 run_write(sc, RT2860_GPIO_CTRL, tmp);
3806
3807 /* enable RF tuning */
3808 run_rt3070_rf_read(sc, 7, &rf);
3809 run_rt3070_rf_write(sc, 7, rf | 0x01);
3810
3811 run_delay(sc, 2);
3812}
3813
3814static void
3815run_set_rx_antenna(struct run_softc *sc, int aux)
3816{
3817 uint32_t tmp;
3818
3819 if (aux) {
3820 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 0);
3821 run_read(sc, RT2860_GPIO_CTRL, &tmp);
3822 run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08);
3823 } else {
3824 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 1);
3825 run_read(sc, RT2860_GPIO_CTRL, &tmp);
3826 run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808);
3827 }
3828}
3829
3830static int
3831run_set_chan(struct run_softc *sc, struct ieee80211_channel *c)
3832{
3833 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
3834 uint32_t chan, group;
3835
3836 chan = ieee80211_chan2ieee(ic, c);
3837 if (chan == 0 || chan == IEEE80211_CHAN_ANY)
3838 return (EINVAL);
3839
3840 if (sc->mac_ver == 0x3572)
3841 run_rt3572_set_chan(sc, chan);
3842 else if (sc->mac_ver >= 0x3070)
3843 run_rt3070_set_chan(sc, chan);
3844 else
3845 run_rt2870_set_chan(sc, chan);
3846
3847 /* determine channel group */
3848 if (chan <= 14)
3849 group = 0;
3850 else if (chan <= 64)
3851 group = 1;
3852 else if (chan <= 128)
3853 group = 2;
3854 else
3855 group = 3;
3856
3857 /* XXX necessary only when group has changed! */
3858 run_select_chan_group(sc, group);
3859
3860 run_delay(sc, 10);
3861
3862 return (0);
3863}
3864
3865static void
3866run_set_channel(struct ieee80211com *ic)
3867{
3868 struct run_softc *sc = ic->ic_ifp->if_softc;
3869
3870 RUN_LOCK(sc);
3871 run_set_chan(sc, ic->ic_curchan);
3872 RUN_UNLOCK(sc);
3873
3874 return;
3875}
3876
3877static void
3878run_scan_start(struct ieee80211com *ic)
3879{
3880 struct run_softc *sc = ic->ic_ifp->if_softc;
3881 uint32_t tmp;
3882
3883 RUN_LOCK(sc);
3884
3885 /* abort TSF synchronization */
3886 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
3887 run_write(sc, RT2860_BCN_TIME_CFG,
3888 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
3889 RT2860_TBTT_TIMER_EN));
3890 run_set_bssid(sc, sc->sc_ifp->if_broadcastaddr);
3891
3892 RUN_UNLOCK(sc);
3893
3894 return;
3895}
3896
3897static void
3898run_scan_end(struct ieee80211com *ic)
3899{
3900 struct run_softc *sc = ic->ic_ifp->if_softc;
3901
3902 RUN_LOCK(sc);
3903
3904 run_enable_tsf_sync(sc);
3905 /* XXX keep local copy */
3906 run_set_bssid(sc, sc->sc_bssid);
3907
3908 RUN_UNLOCK(sc);
3909
3910 return;
3911}
3912
3913/*
3914 * Could be called from ieee80211_node_timeout()
3915 * (non-sleepable thread)
3916 */
3917static void
3918run_update_beacon(struct ieee80211vap *vap, int item)
3919{
3920 struct ieee80211com *ic = vap->iv_ic;
3921 struct run_softc *sc = ic->ic_ifp->if_softc;
3922 struct run_vap *rvp = RUN_VAP(vap);
3923 int mcast = 0;
3924 uint32_t i;
3925
3926 KASSERT(vap != NULL, ("no beacon"));
3927
3928 switch (item) {
3929 case IEEE80211_BEACON_ERP:
3930 run_updateslot(ic->ic_ifp);
3931 break;
3932 case IEEE80211_BEACON_HTINFO:
3933 run_updateprot(ic);
3934 break;
3935 case IEEE80211_BEACON_TIM:
3936 mcast = 1; /*TODO*/
3937 break;
3938 default:
3939 break;
3940 }
3941
3942 setbit(rvp->bo.bo_flags, item);
3943 ieee80211_beacon_update(vap->iv_bss, &rvp->bo, rvp->beacon_mbuf, mcast);
3944
3945 i = RUN_CMDQ_GET(&sc->cmdq_store);
3946 DPRINTF("cmdq_store=%d\n", i);
3947 sc->cmdq[i].func = run_update_beacon_cb;
3948 sc->cmdq[i].arg0 = vap;
3949 ieee80211_runtask(ic, &sc->cmdq_task);
3950
3951 return;
3952}
3953
3954static void
3955run_update_beacon_cb(void *arg)
3956{
3957 struct ieee80211vap *vap = arg;
3958 struct run_vap *rvp = RUN_VAP(vap);
3959 struct ieee80211com *ic = vap->iv_ic;
3960 struct run_softc *sc = ic->ic_ifp->if_softc;
3961 struct rt2860_txwi txwi;
3962 struct mbuf *m;
3963 uint8_t ridx;
3964
3965 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC)
3966 return;
3967
3968 /*
3969 * No need to call ieee80211_beacon_update(), run_update_beacon()
3970 * is taking care of apropriate calls.
3971 */
3972 if (rvp->beacon_mbuf == NULL) {
3973 rvp->beacon_mbuf = ieee80211_beacon_alloc(vap->iv_bss,
3974 &rvp->bo);
3975 if (rvp->beacon_mbuf == NULL)
3976 return;
3977 }
3978 m = rvp->beacon_mbuf;
3979
3980 memset(&txwi, 0, sizeof txwi);
3981 txwi.wcid = 0xff;
3982 txwi.len = htole16(m->m_pkthdr.len);
3983 /* send beacons at the lowest available rate */
3984 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
3985 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
3986 txwi.phy = htole16(rt2860_rates[ridx].mcs);
3987 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM)
3988 txwi.phy |= htole16(RT2860_PHY_OFDM);
3989 txwi.txop = RT2860_TX_TXOP_HT;
3990 txwi.flags = RT2860_TX_TS;
3991 txwi.xflags = RT2860_TX_NSEQ;
3992
3993 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id),
3994 (uint8_t *)&txwi, sizeof txwi);
3995 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id) + sizeof txwi,
3996 mtod(m, uint8_t *), (m->m_pkthdr.len + 1) & ~1); /* roundup len */
3997
3998 return;
3999}
4000
4001static void
4002run_updateprot(struct ieee80211com *ic)
4003{
4004 struct run_softc *sc = ic->ic_ifp->if_softc;
4005 uint32_t i;
4006
4007 i = RUN_CMDQ_GET(&sc->cmdq_store);
4008 DPRINTF("cmdq_store=%d\n", i);
4009 sc->cmdq[i].func = run_updateprot_cb;
4010 sc->cmdq[i].arg0 = ic;
4011 ieee80211_runtask(ic, &sc->cmdq_task);
4012}
4013
4014static void
4015run_updateprot_cb(void *arg)
4016{
4017 struct ieee80211com *ic = arg;
4018 struct run_softc *sc = ic->ic_ifp->if_softc;
4019 uint32_t tmp;
4020
4021 tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL;
4022 /* setup protection frame rate (MCS code) */
4023 tmp |= (ic->ic_curmode == IEEE80211_MODE_11A) ?
4024 rt2860_rates[RT2860_RIDX_OFDM6].mcs :
4025 rt2860_rates[RT2860_RIDX_CCK11].mcs;
4026
4027 /* CCK frames don't require protection */
4028 run_write(sc, RT2860_CCK_PROT_CFG, tmp);
4029 if (ic->ic_flags & IEEE80211_F_USEPROT) {
4030 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
4031 tmp |= RT2860_PROT_CTRL_RTS_CTS;
4032 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
4033 tmp |= RT2860_PROT_CTRL_CTS;
4034 }
4035 run_write(sc, RT2860_OFDM_PROT_CFG, tmp);
4036}
4037
4038static void
4039run_usb_timeout_cb(void *arg)
4040{
4041 struct ieee80211vap *vap = arg;
4042 struct run_softc *sc = vap->iv_ic->ic_ifp->if_softc;
4043
4044 RUN_LOCK_ASSERT(sc, MA_OWNED);
4045
4046 if(vap->iv_state == IEEE80211_S_RUN &&
4047 vap->iv_opmode != IEEE80211_M_STA)
4048 run_reset_livelock(sc);
4049 else if (vap->iv_state == IEEE80211_S_SCAN) {
4050 DPRINTF("timeout caused by scan\n");
4051 /* cancel bgscan */
4052 ieee80211_cancel_scan(vap);
4053 } else
4054 DPRINTF("timeout by unknown cause\n");
4055}
4056
4057static void
4058run_reset_livelock(struct run_softc *sc)
4059{
4060 uint32_t tmp;
4061
4062 RUN_LOCK_ASSERT(sc, MA_OWNED);
4063
4064 /*
4065 * In IBSS or HostAP modes (when the hardware sends beacons), the MAC
4066 * can run into a livelock and start sending CTS-to-self frames like
4067 * crazy if protection is enabled. Reset MAC/BBP for a while
4068 */
4069 run_read(sc, RT2860_DEBUG, &tmp);
4070 DPRINTFN(3, "debug reg %08x\n", tmp);
4071 if ((tmp & (1 << 29)) && (tmp & (1 << 7 | 1 << 5))) {
4072 DPRINTF("CTS-to-self livelock detected\n");
4073 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_SRST);
4074 run_delay(sc, 1);
4075 run_write(sc, RT2860_MAC_SYS_CTRL,
4076 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
4077 }
4078}
4079
4080static void
4081run_update_promisc_locked(struct ifnet *ifp)
4082{
4083 struct run_softc *sc = ifp->if_softc;
4084 uint32_t tmp;
4085
4086 run_read(sc, RT2860_RX_FILTR_CFG, &tmp);
4087
4088 tmp |= RT2860_DROP_UC_NOME;
4089 if (ifp->if_flags & IFF_PROMISC)
4090 tmp &= ~RT2860_DROP_UC_NOME;
4091
4092 run_write(sc, RT2860_RX_FILTR_CFG, tmp);
4093
4094 DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ?
4095 "entering" : "leaving");
4096}
4097
4098static void
4099run_update_promisc(struct ifnet *ifp)
4100{
4101 struct run_softc *sc = ifp->if_softc;
4102
4103 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
4104 return;
4105
4106 RUN_LOCK(sc);
4107 run_update_promisc_locked(ifp);
4108 RUN_UNLOCK(sc);
4109}
4110
4111static void
4112run_enable_tsf_sync(struct run_softc *sc)
4113{
4114 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
4115 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
4116 uint32_t tmp;
4117
4118 DPRINTF("rvp_id=%d ic_opmode=%d\n", RUN_VAP(vap)->rvp_id, ic->ic_opmode);
4119
4120 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
4121 tmp &= ~0x1fffff;
4122 tmp |= vap->iv_bss->ni_intval * 16;
4123 tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN;
4124
4125 if (ic->ic_opmode == IEEE80211_M_STA) {
4126 /*
4127 * Local TSF is always updated with remote TSF on beacon
4128 * reception.
4129 */
4130 tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT;
4131 } else if (ic->ic_opmode == IEEE80211_M_IBSS) {
4132 tmp |= RT2860_BCN_TX_EN;
4133 /*
4134 * Local TSF is updated with remote TSF on beacon reception
4135 * only if the remote TSF is greater than local TSF.
4136 */
4137 tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT;
4138 } else if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
4139 ic->ic_opmode == IEEE80211_M_MBSS) {
4140 tmp |= RT2860_BCN_TX_EN;
4141 /* SYNC with nobody */
4142 tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT;
4143 } else {
4144 DPRINTF("Enabling TSF failed. undefined opmode\n");
4145 return;
4146 }
4147
4148 run_write(sc, RT2860_BCN_TIME_CFG, tmp);
4149}
4150
4151static void
4152run_enable_mrr(struct run_softc *sc)
4153{
4154#define CCK(mcs) (mcs)
4155#define OFDM(mcs) (1 << 3 | (mcs))
4156 run_write(sc, RT2860_LG_FBK_CFG0,
4157 OFDM(6) << 28 | /* 54->48 */
4158 OFDM(5) << 24 | /* 48->36 */
4159 OFDM(4) << 20 | /* 36->24 */
4160 OFDM(3) << 16 | /* 24->18 */
4161 OFDM(2) << 12 | /* 18->12 */
4162 OFDM(1) << 8 | /* 12-> 9 */
4163 OFDM(0) << 4 | /* 9-> 6 */
4164 OFDM(0)); /* 6-> 6 */
4165
4166 run_write(sc, RT2860_LG_FBK_CFG1,
4167 CCK(2) << 12 | /* 11->5.5 */
4168 CCK(1) << 8 | /* 5.5-> 2 */
4169 CCK(0) << 4 | /* 2-> 1 */
4170 CCK(0)); /* 1-> 1 */
4171#undef OFDM
4172#undef CCK
4173}
4174
4175static void
4176run_set_txpreamble(struct run_softc *sc)
4177{
4178 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
4179 uint32_t tmp;
4180
4181 run_read(sc, RT2860_AUTO_RSP_CFG, &tmp);
4182 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
4183 tmp |= RT2860_CCK_SHORT_EN;
4184 else
4185 tmp &= ~RT2860_CCK_SHORT_EN;
4186 run_write(sc, RT2860_AUTO_RSP_CFG, tmp);
4187}
4188
4189static void
4190run_set_basicrates(struct run_softc *sc)
4191{
4192 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
4193
4194 /* set basic rates mask */
4195 if (ic->ic_curmode == IEEE80211_MODE_11B)
4196 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003);
4197 else if (ic->ic_curmode == IEEE80211_MODE_11A)
4198 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150);
4199 else /* 11g */
4200 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f);
4201}
4202
4203static void
4204run_set_leds(struct run_softc *sc, uint16_t which)
4205{
4206 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS,
4207 which | (sc->leds & 0x7f));
4208}
4209
4210static void
4211run_set_bssid(struct run_softc *sc, const uint8_t *bssid)
4212{
4213 run_write(sc, RT2860_MAC_BSSID_DW0,
4214 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
4215 run_write(sc, RT2860_MAC_BSSID_DW1,
4216 bssid[4] | bssid[5] << 8);
4217}
4218
4219static void
4220run_set_macaddr(struct run_softc *sc, const uint8_t *addr)
4221{
4222 run_write(sc, RT2860_MAC_ADDR_DW0,
4223 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
4224 run_write(sc, RT2860_MAC_ADDR_DW1,
4225 addr[4] | addr[5] << 8 | 0xff << 16);
4226}
4227
4228static void
4229run_updateslot(struct ifnet *ifp)
4230{
4231 struct run_softc *sc = ifp->if_softc;
4232 struct ieee80211com *ic = ifp->if_l2com;
4233 uint32_t i;
4234
4235 i = RUN_CMDQ_GET(&sc->cmdq_store);
4236 DPRINTF("cmdq_store=%d\n", i);
4237 sc->cmdq[i].func = run_updateslot_cb;
4238 sc->cmdq[i].arg0 = ifp;
4239 ieee80211_runtask(ic, &sc->cmdq_task);
4240
4241 return;
4242}
4243
4244/* ARGSUSED */
4245static void
4246run_updateslot_cb(void *arg)
4247{
4248 struct ifnet *ifp = arg;
4249 struct run_softc *sc = ifp->if_softc;
4250 struct ieee80211com *ic = ifp->if_l2com;
4251 uint32_t tmp;
4252
4253 run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp);
4254 tmp &= ~0xff;
4255 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
4256 run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp);
4257}
4258
4259static void
4260run_update_mcast(struct ifnet *ifp)
4261{
4262 /* h/w filter supports getting everything or nothing */
4263 ifp->if_flags |= IFF_ALLMULTI;
4264}
4265
4266static int8_t
4267run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain)
4268{
4269 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
4270 struct ieee80211_channel *c = ic->ic_curchan;
4271 int delta;
4272
4273 if (IEEE80211_IS_CHAN_5GHZ(c)) {
4274 uint32_t chan = ieee80211_chan2ieee(ic, c);
4275 delta = sc->rssi_5ghz[rxchain];
4276
4277 /* determine channel group */
4278 if (chan <= 64)
4279 delta -= sc->lna[1];
4280 else if (chan <= 128)
4281 delta -= sc->lna[2];
4282 else
4283 delta -= sc->lna[3];
4284 } else
4285 delta = sc->rssi_2ghz[rxchain] - sc->lna[0];
4286
4287 return (-12 - delta - rssi);
4288}
4289
4290static int
4291run_bbp_init(struct run_softc *sc)
4292{
4293 int i, error, ntries;
4294 uint8_t bbp0;
4295
4296 /* wait for BBP to wake up */
4297 for (ntries = 0; ntries < 20; ntries++) {
4298 if ((error = run_bbp_read(sc, 0, &bbp0)) != 0)
4299 return error;
4300 if (bbp0 != 0 && bbp0 != 0xff)
4301 break;
4302 }
4303 if (ntries == 20)
4304 return (ETIMEDOUT);
4305
4306 /* initialize BBP registers to default values */
4307 for (i = 0; i < nitems(rt2860_def_bbp); i++) {
4308 run_bbp_write(sc, rt2860_def_bbp[i].reg,
4309 rt2860_def_bbp[i].val);
4310 }
4311
4312 /* fix BBP84 for RT2860E */
4313 if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101)
4314 run_bbp_write(sc, 84, 0x19);
4315
4316 if (sc->mac_ver >= 0x3070) {
4317 run_bbp_write(sc, 79, 0x13);
4318 run_bbp_write(sc, 80, 0x05);
4319 run_bbp_write(sc, 81, 0x33);
4320 } else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) {
4321 run_bbp_write(sc, 69, 0x16);
4322 run_bbp_write(sc, 73, 0x12);
4323 }
4324 return (0);
4325}
4326
4327static int
4328run_rt3070_rf_init(struct run_softc *sc)
4329{
4330 uint32_t tmp;
4331 uint8_t rf, target, bbp4;
4332 int i;
4333
4334 run_rt3070_rf_read(sc, 30, &rf);
4335 /* toggle RF R30 bit 7 */
4336 run_rt3070_rf_write(sc, 30, rf | 0x80);
4337 run_delay(sc, 10);
4338 run_rt3070_rf_write(sc, 30, rf & ~0x80);
4339
4340 /* initialize RF registers to default value */
4341 if (sc->mac_ver == 0x3572) {
4342 for (i = 0; i < nitems(rt3572_def_rf); i++) {
4343 run_rt3070_rf_write(sc, rt3572_def_rf[i].reg,
4344 rt3572_def_rf[i].val);
4345 }
4346 } else {
4347 for (i = 0; i < nitems(rt3070_def_rf); i++) {
4348 run_rt3070_rf_write(sc, rt3070_def_rf[i].reg,
4349 rt3070_def_rf[i].val);
4350 }
4351 }
4352
4353 if (sc->mac_ver == 0x3070) {
4354 /* change voltage from 1.2V to 1.35V for RT3070 */
4355 run_read(sc, RT3070_LDO_CFG0, &tmp);
4356 tmp = (tmp & ~0x0f000000) | 0x0d000000;
4357 run_write(sc, RT3070_LDO_CFG0, tmp);
4358
4359 } else if (sc->mac_ver == 0x3071) {
4360 run_rt3070_rf_read(sc, 6, &rf);
4361 run_rt3070_rf_write(sc, 6, rf | 0x40);
4362 run_rt3070_rf_write(sc, 31, 0x14);
4363
4364 run_read(sc, RT3070_LDO_CFG0, &tmp);
4365 tmp &= ~0x1f000000;
4366 if (sc->mac_rev < 0x0211)
4367 tmp |= 0x0d000000; /* 1.3V */
4368 else
4369 tmp |= 0x01000000; /* 1.2V */
4370 run_write(sc, RT3070_LDO_CFG0, tmp);
4371
4372 /* patch LNA_PE_G1 */
4373 run_read(sc, RT3070_GPIO_SWITCH, &tmp);
4374 run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20);
4375
4376 } else if (sc->mac_ver == 0x3572) {
4377 run_rt3070_rf_read(sc, 6, &rf);
4378 run_rt3070_rf_write(sc, 6, rf | 0x40);
4379
4380 /* increase voltage from 1.2V to 1.35V */
4381 run_read(sc, RT3070_LDO_CFG0, &tmp);
4382 tmp = (tmp & ~0x1f000000) | 0x0d000000;
4383 run_write(sc, RT3070_LDO_CFG0, tmp);
4384
4385 if (sc->mac_rev < 0x0211 || !sc->patch_dac) {
4386 run_delay(sc, 1); /* wait for 1msec */
4387 /* decrease voltage back to 1.2V */
4388 tmp = (tmp & ~0x1f000000) | 0x01000000;
4389 run_write(sc, RT3070_LDO_CFG0, tmp);
4390 }
4391 }
4392
4393 /* select 20MHz bandwidth */
4394 run_rt3070_rf_read(sc, 31, &rf);
4395 run_rt3070_rf_write(sc, 31, rf & ~0x20);
4396
4397 /* calibrate filter for 20MHz bandwidth */
4398 sc->rf24_20mhz = 0x1f; /* default value */
4399 target = (sc->mac_ver < 0x3071) ? 0x16 : 0x13;
4400 run_rt3070_filter_calib(sc, 0x07, target, &sc->rf24_20mhz);
4401
4402 /* select 40MHz bandwidth */
4403 run_bbp_read(sc, 4, &bbp4);
4404 run_bbp_write(sc, 4, (bbp4 & ~0x08) | 0x10);
4405 run_rt3070_rf_read(sc, 31, &rf);
4406 run_rt3070_rf_write(sc, 31, rf | 0x20);
4407
4408 /* calibrate filter for 40MHz bandwidth */
4409 sc->rf24_40mhz = 0x2f; /* default value */
4410 target = (sc->mac_ver < 0x3071) ? 0x19 : 0x15;
4411 run_rt3070_filter_calib(sc, 0x27, target, &sc->rf24_40mhz);
4412
4413 /* go back to 20MHz bandwidth */
4414 run_bbp_read(sc, 4, &bbp4);
4415 run_bbp_write(sc, 4, bbp4 & ~0x18);
4416
4417 if (sc->mac_ver == 0x3572) {
4418 /* save default BBP registers 25 and 26 values */
4419 run_bbp_read(sc, 25, &sc->bbp25);
4420 run_bbp_read(sc, 26, &sc->bbp26);
4421 } else if (sc->mac_rev < 0x0211)
4422 run_rt3070_rf_write(sc, 27, 0x03);
4423
4424 run_read(sc, RT3070_OPT_14, &tmp);
4425 run_write(sc, RT3070_OPT_14, tmp | 1);
4426
4427 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
4428 run_rt3070_rf_read(sc, 17, &rf);
4429 rf &= ~RT3070_TX_LO1;
4430 if ((sc->mac_ver == 0x3070 ||
4431 (sc->mac_ver == 0x3071 && sc->mac_rev >= 0x0211)) &&
4432 !sc->ext_2ghz_lna)
4433 rf |= 0x20; /* fix for long range Rx issue */
4434 if (sc->txmixgain_2ghz >= 1)
4435 rf = (rf & ~0x7) | sc->txmixgain_2ghz;
4436 run_rt3070_rf_write(sc, 17, rf);
4437 }
4438
4439 if (sc->mac_rev == 0x3071) {
4440 run_rt3070_rf_read(sc, 1, &rf);
4441 rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD);
4442 rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD;
4443 run_rt3070_rf_write(sc, 1, rf);
4444
4445 run_rt3070_rf_read(sc, 15, &rf);
4446 run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2);
4447
4448 run_rt3070_rf_read(sc, 20, &rf);
4449 run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1);
4450
4451 run_rt3070_rf_read(sc, 21, &rf);
4452 run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2);
4453 }
4454
4455 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
4456 /* fix Tx to Rx IQ glitch by raising RF voltage */
4457 run_rt3070_rf_read(sc, 27, &rf);
4458 rf &= ~0x77;
4459 if (sc->mac_rev < 0x0211)
4460 rf |= 0x03;
4461 run_rt3070_rf_write(sc, 27, rf);
4462 }
4463 return (0);
4464}
4465
4466static int
4467run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target,
4468 uint8_t *val)
4469{
4470 uint8_t rf22, rf24;
4471 uint8_t bbp55_pb, bbp55_sb, delta;
4472 int ntries;
4473
4474 /* program filter */
4475 run_rt3070_rf_read(sc, 24, &rf24);
4476 rf24 = (rf24 & 0xc0) | init; /* initial filter value */
4477 run_rt3070_rf_write(sc, 24, rf24);
4478
4479 /* enable baseband loopback mode */
4480 run_rt3070_rf_read(sc, 22, &rf22);
4481 run_rt3070_rf_write(sc, 22, rf22 | 0x01);
4482
4483 /* set power and frequency of passband test tone */
4484 run_bbp_write(sc, 24, 0x00);
4485 for (ntries = 0; ntries < 100; ntries++) {
4486 /* transmit test tone */
4487 run_bbp_write(sc, 25, 0x90);
4488 run_delay(sc, 10);
4489 /* read received power */
4490 run_bbp_read(sc, 55, &bbp55_pb);
4491 if (bbp55_pb != 0)
4492 break;
4493 }
4494 if (ntries == 100)
4495 return ETIMEDOUT;
4496
4497 /* set power and frequency of stopband test tone */
4498 run_bbp_write(sc, 24, 0x06);
4499 for (ntries = 0; ntries < 100; ntries++) {
4500 /* transmit test tone */
4501 run_bbp_write(sc, 25, 0x90);
4502 run_delay(sc, 10);
4503 /* read received power */
4504 run_bbp_read(sc, 55, &bbp55_sb);
4505
4506 delta = bbp55_pb - bbp55_sb;
4507 if (delta > target)
4508 break;
4509
4510 /* reprogram filter */
4511 rf24++;
4512 run_rt3070_rf_write(sc, 24, rf24);
4513 }
4514 if (ntries < 100) {
4515 if (rf24 != init)
4516 rf24--; /* backtrack */
4517 *val = rf24;
4518 run_rt3070_rf_write(sc, 24, rf24);
4519 }
4520
4521 /* restore initial state */
4522 run_bbp_write(sc, 24, 0x00);
4523
4524 /* disable baseband loopback mode */
4525 run_rt3070_rf_read(sc, 22, &rf22);
4526 run_rt3070_rf_write(sc, 22, rf22 & ~0x01);
4527
4528 return (0);
4529}
4530
4531static void
4532run_rt3070_rf_setup(struct run_softc *sc)
4533{
4534 uint8_t bbp, rf;
4535 int i;
4536
4537 if (sc->mac_ver == 0x3572) {
4538 /* enable DC filter */
4539 if (sc->mac_rev >= 0x0201)
4540 run_bbp_write(sc, 103, 0xc0);
4541
4542 run_bbp_read(sc, 138, &bbp);
4543 if (sc->ntxchains == 1)
4544 bbp |= 0x20; /* turn off DAC1 */
4545 if (sc->nrxchains == 1)
4546 bbp &= ~0x02; /* turn off ADC1 */
4547 run_bbp_write(sc, 138, bbp);
4548
4549 if (sc->mac_rev >= 0x0211) {
4550 /* improve power consumption */
4551 run_bbp_read(sc, 31, &bbp);
4552 run_bbp_write(sc, 31, bbp & ~0x03);
4553 }
4554
4555 run_rt3070_rf_read(sc, 16, &rf);
4556 rf = (rf & ~0x07) | sc->txmixgain_2ghz;
4557 run_rt3070_rf_write(sc, 16, rf);
4558
4559 } else if (sc->mac_ver == 0x3071) {
4560 /* enable DC filter */
4561 if (sc->mac_rev >= 0x0201)
4562 run_bbp_write(sc, 103, 0xc0);
4563
4564 run_bbp_read(sc, 138, &bbp);
4565 if (sc->ntxchains == 1)
4566 bbp |= 0x20; /* turn off DAC1 */
4567 if (sc->nrxchains == 1)
4568 bbp &= ~0x02; /* turn off ADC1 */
4569 run_bbp_write(sc, 138, bbp);
4570
4571 if (sc->mac_rev >= 0x0211) {
4572 /* improve power consumption */
4573 run_bbp_read(sc, 31, &bbp);
4574 run_bbp_write(sc, 31, bbp & ~0x03);
4575 }
4576
4577 run_write(sc, RT2860_TX_SW_CFG1, 0);
4578 if (sc->mac_rev < 0x0211) {
4579 run_write(sc, RT2860_TX_SW_CFG2,
4580 sc->patch_dac ? 0x2c : 0x0f);
4581 } else
4582 run_write(sc, RT2860_TX_SW_CFG2, 0);
4583
4584 } else if (sc->mac_ver == 0x3070) {
4585 if (sc->mac_rev >= 0x0201) {
4586 /* enable DC filter */
4587 run_bbp_write(sc, 103, 0xc0);
4588
4589 /* improve power consumption */
4590 run_bbp_read(sc, 31, &bbp);
4591 run_bbp_write(sc, 31, bbp & ~0x03);
4592 }
4593
4594 if (sc->mac_rev < 0x0211) {
4595 run_write(sc, RT2860_TX_SW_CFG1, 0);
4596 run_write(sc, RT2860_TX_SW_CFG2, 0x2c);
4597 } else
4598 run_write(sc, RT2860_TX_SW_CFG2, 0);
4599 }
4600
4601 /* initialize RF registers from ROM for >=RT3071*/
4602 if (sc->mac_ver >= 0x3071) {
4603 for (i = 0; i < 10; i++) {
4604 if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff)
4605 continue;
4606 run_rt3070_rf_write(sc, sc->rf[i].reg, sc->rf[i].val);
4607 }
4608 }
4609}
4610
4611static int
4612run_txrx_enable(struct run_softc *sc)
4613{
4614 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
4615 uint32_t tmp;
4616 int error, ntries;
4617
4618 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN);
4619 for (ntries = 0; ntries < 200; ntries++) {
4620 if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
4621 return error;
4622 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4623 break;
4624 run_delay(sc, 50);
4625 }
4626 if (ntries == 200)
4627 return ETIMEDOUT;
4628
4629 run_delay(sc, 50);
4630
4631 tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE;
4632 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4633
4634 /* enable Rx bulk aggregation (set timeout and limit) */
4635 tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN |
4636 RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2);
4637 run_write(sc, RT2860_USB_DMA_CFG, tmp);
4638
4639 /* set Rx filter */
4640 tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR;
4641 if (ic->ic_opmode != IEEE80211_M_MONITOR) {
4642 tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL |
4643 RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK |
4644 RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV |
4645 RT2860_DROP_CFACK | RT2860_DROP_CFEND;
4646 if (ic->ic_opmode == IEEE80211_M_STA)
4647 tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL;
4648 }
4649 run_write(sc, RT2860_RX_FILTR_CFG, tmp);
4650
4651 run_write(sc, RT2860_MAC_SYS_CTRL,
4652 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
4653
4654 return (0);
4655}
4656
4657static void
4658run_init_locked(struct run_softc *sc)
4659{
4660 struct ifnet *ifp = sc->sc_ifp;
4661 struct ieee80211com *ic = ifp->if_l2com;
4662 uint32_t tmp;
4663 uint8_t bbp1, bbp3;
4664 int i;
4665 int ridx;
4666 int ntries;
4667
4668 if (ic->ic_nrunning > 1)
4669 return;
4670
4671 run_stop(sc);
4672
4673 for (ntries = 0; ntries < 100; ntries++) {
4674 if (run_read(sc, RT2860_ASIC_VER_ID, &tmp) != 0)
4675 goto fail;
4676 if (tmp != 0 && tmp != 0xffffffff)
4677 break;
4678 run_delay(sc, 10);
4679 }
4680 if (ntries == 100)
4681 goto fail;
4682
4683 for (i = 0; i != RUN_EP_QUEUES; i++)
4684 run_setup_tx_list(sc, &sc->sc_epq[i]);
4685
4686 run_set_macaddr(sc, IF_LLADDR(ifp));
4687
4688 for (ntries = 0; ntries < 100; ntries++) {
4689 if (run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp) != 0)
4690 goto fail;
4691 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4692 break;
4693 run_delay(sc, 10);
4694 }
4695 if (ntries == 100) {
4696 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n");
4697 goto fail;
4698 }
4699 tmp &= 0xff0;
4700 tmp |= RT2860_TX_WB_DDONE;
4701 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4702
4703 /* turn off PME_OEN to solve high-current issue */
4704 run_read(sc, RT2860_SYS_CTRL, &tmp);
4705 run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN);
4706
4707 run_write(sc, RT2860_MAC_SYS_CTRL,
4708 RT2860_BBP_HRST | RT2860_MAC_SRST);
4709 run_write(sc, RT2860_USB_DMA_CFG, 0);
4710
4711 if (run_reset(sc) != 0) {
4712 device_printf(sc->sc_dev, "could not reset chipset\n");
4713 goto fail;
4714 }
4715
4716 run_write(sc, RT2860_MAC_SYS_CTRL, 0);
4717
4718 /* init Tx power for all Tx rates (from EEPROM) */
4719 for (ridx = 0; ridx < 5; ridx++) {
4720 if (sc->txpow20mhz[ridx] == 0xffffffff)
4721 continue;
4722 run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]);
4723 }
4724
4725 for (i = 0; i < nitems(rt2870_def_mac); i++)
4726 run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val);
4727 run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273);
4728 run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344);
4729 run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa);
4730
4731 if (sc->mac_ver >= 0x3070) {
4732 /* set delay of PA_PE assertion to 1us (unit of 0.25us) */
4733 run_write(sc, RT2860_TX_SW_CFG0,
4734 4 << RT2860_DLY_PAPE_EN_SHIFT);
4735 }
4736
4737 /* wait while MAC is busy */
4738 for (ntries = 0; ntries < 100; ntries++) {
4739 if (run_read(sc, RT2860_MAC_STATUS_REG, &tmp) != 0)
4740 goto fail;
4741 if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY)))
4742 break;
4743 run_delay(sc, 10);
4744 }
4745 if (ntries == 100)
4746 goto fail;
4747
4748 /* clear Host to MCU mailbox */
4749 run_write(sc, RT2860_H2M_BBPAGENT, 0);
4750 run_write(sc, RT2860_H2M_MAILBOX, 0);
4751 run_delay(sc, 10);
4752
4753 if (run_bbp_init(sc) != 0) {
4754 device_printf(sc->sc_dev, "could not initialize BBP\n");
4755 goto fail;
4756 }
4757
4758 /* abort TSF synchronization */
4759 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
4760 tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
4761 RT2860_TBTT_TIMER_EN);
4762 run_write(sc, RT2860_BCN_TIME_CFG, tmp);
4763
4764 /* clear RX WCID search table */
4765 run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512);
4766 /* clear WCID attribute table */
4767 run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32);
4768
4769 /* hostapd sets a key before init. So, don't clear it. */
4770 if (sc->cmdq_key_set != RUN_CMDQ_GO) {
4771 /* clear shared key table */
4772 run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32);
4773 /* clear shared key mode */
4774 run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4);
4775 }
4776
4777 run_read(sc, RT2860_US_CYC_CNT, &tmp);
4778 tmp = (tmp & ~0xff) | 0x1e;
4779 run_write(sc, RT2860_US_CYC_CNT, tmp);
4780
4781 if (sc->mac_rev != 0x0101)
4782 run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f);
4783
4784 run_write(sc, RT2860_WMM_TXOP0_CFG, 0);
4785 run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96);
4786
4787 /* write vendor-specific BBP values (from EEPROM) */
4788 for (i = 0; i < 10; i++) {
4789 if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff)
4790 continue;
4791 run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val);
4792 }
4793
4794 /* select Main antenna for 1T1R devices */
4795 if (sc->rf_rev == RT3070_RF_3020)
4796 run_set_rx_antenna(sc, 0);
4797
4798 /* send LEDs operating mode to microcontroller */
4799 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]);
4800 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]);
4801 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]);
4802
4803 if (sc->mac_ver >= 0x3070)
4804 run_rt3070_rf_init(sc);
4805
4806 /* disable non-existing Rx chains */
4807 run_bbp_read(sc, 3, &bbp3);
4808 bbp3 &= ~(1 << 3 | 1 << 4);
4809 if (sc->nrxchains == 2)
4810 bbp3 |= 1 << 3;
4811 else if (sc->nrxchains == 3)
4812 bbp3 |= 1 << 4;
4813 run_bbp_write(sc, 3, bbp3);
4814
4815 /* disable non-existing Tx chains */
4816 run_bbp_read(sc, 1, &bbp1);
4817 if (sc->ntxchains == 1)
4818 bbp1 &= ~(1 << 3 | 1 << 4);
4819 run_bbp_write(sc, 1, bbp1);
4820
4821 if (sc->mac_ver >= 0x3070)
4822 run_rt3070_rf_setup(sc);
4823
4824 /* select default channel */
4825 run_set_chan(sc, ic->ic_curchan);
4826
4827 /* setup initial protection mode */
4828 run_updateprot_cb(ic);
4829
4830 /* turn radio LED on */
4831 run_set_leds(sc, RT2860_LED_RADIO);
4832
4833 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4834 ifp->if_drv_flags |= IFF_DRV_RUNNING;
4835 sc->cmdq_run = RUN_CMDQ_GO;
4836
4837 for (i = 0; i != RUN_N_XFER; i++)
4838 usbd_xfer_set_stall(sc->sc_xfer[i]);
4839
4840 usbd_transfer_start(sc->sc_xfer[RUN_BULK_RX]);
4841
4842 if (run_txrx_enable(sc) != 0)
4843 goto fail;
4844
4845 return;
4846
4847fail:
4848 run_stop(sc);
4849}
4850
4851static void
4852run_init(void *arg)
4853{
4854 struct run_softc *sc = arg;
4855 struct ifnet *ifp = sc->sc_ifp;
4856 struct ieee80211com *ic = ifp->if_l2com;
4857
4858 RUN_LOCK(sc);
4859 run_init_locked(sc);
4860 RUN_UNLOCK(sc);
4861
4862 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
4863 ieee80211_start_all(ic);
4864}
4865
4866static void
4867run_stop(void *arg)
4868{
4869 struct run_softc *sc = (struct run_softc *)arg;
4870 struct ifnet *ifp = sc->sc_ifp;
4871 uint32_t tmp;
4872 int i;
4873 int ntries;
4874
4875 RUN_LOCK_ASSERT(sc, MA_OWNED);
4876
4877 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
4878 run_set_leds(sc, 0); /* turn all LEDs off */
4879
4880 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
4881
4882 sc->ratectl_run = RUN_RATECTL_OFF;
4883 sc->cmdq_run = sc->cmdq_key_set;
4884
4885 RUN_UNLOCK(sc);
4886
4887 for(i = 0; i < RUN_N_XFER; i++)
4888 usbd_transfer_drain(sc->sc_xfer[i]);
4889
4890 RUN_LOCK(sc);
4891
4892 if (sc->rx_m != NULL) {
4893 m_free(sc->rx_m);
4894 sc->rx_m = NULL;
4895 }
4896
4897 /* disable Tx/Rx */
4898 run_read(sc, RT2860_MAC_SYS_CTRL, &tmp);
4899 tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
4900 run_write(sc, RT2860_MAC_SYS_CTRL, tmp);
4901
4902 /* wait for pending Tx to complete */
4903 for (ntries = 0; ntries < 100; ntries++) {
4904 if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0) {
4905 DPRINTF("Cannot read Tx queue count\n");
4906 break;
4907 }
4908 if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0) {
4909 DPRINTF("All Tx cleared\n");
4910 break;
4911 }
4912 run_delay(sc, 10);
4913 }
4914 if (ntries >= 100)
4915 DPRINTF("There are still pending Tx\n");
4916 run_delay(sc, 10);
4917 run_write(sc, RT2860_USB_DMA_CFG, 0);
4918
4919 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST);
4920 run_write(sc, RT2860_MAC_SYS_CTRL, 0);
4921
4922 for (i = 0; i != RUN_EP_QUEUES; i++)
4923 run_unsetup_tx_list(sc, &sc->sc_epq[i]);
4924
4925 return;
4926}
4927
4928static void
4929run_delay(struct run_softc *sc, unsigned int ms)
4930{
4931 usb_pause_mtx(mtx_owned(&sc->sc_mtx) ?
4932 &sc->sc_mtx : NULL, USB_MS_TO_TICKS(ms));
4933}
4934
4935static device_method_t run_methods[] = {
4936 /* Device interface */
4937 DEVMETHOD(device_probe, run_match),
4938 DEVMETHOD(device_attach, run_attach),
4939 DEVMETHOD(device_detach, run_detach),
4940
4941 { 0, 0 }
4942};
4943
4944static driver_t run_driver = {
4945 "run",
4946 run_methods,
4947 sizeof(struct run_softc)
4948};
4949
4950static devclass_t run_devclass;
4951
4952DRIVER_MODULE(run, uhub, run_driver, run_devclass, NULL, 0);
4953MODULE_DEPEND(run, wlan, 1, 1, 1);
4954MODULE_DEPEND(run, usb, 1, 1, 1);
4955MODULE_DEPEND(run, firmware, 1, 1, 1);
4956MODULE_VERSION(run, 1);