?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
A-MPDU Tx support; Increased size of Tx ring to 256
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blobc2d9f80a1c6f80a1c3c229c34d859403d658c47f
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
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 "rt2870_softc.h"
20 #include "rt2870_reg.h"
21 #include "rt2870_eeprom.h"
22 #include "rt2870_ucode.h"
23 #include "rt2870_rxwi.h"
24 #include "rt2870_rxinfo.h"
25 #include "rt2870_txinfo.h"
26 #include "rt2870_txwi.h"
27 #include "rt2870_read_eeprom.h"
28 #include "rt2870_io.h"
29 #include "rt2870_rf.h"
30 #include "rt2870_led.h"
31 #include "rt2870_debug.h"
32
33 /*
34 * Defines and macros
35 */
36
37 #define USB_PRODUCT_LINKSYS4_WUSB600N 0x0071
38 #define USB_PRODUCT_DLINK2_DWA140 0x3c09
39 #define USB_PRODUCT_DLINK2_DWA160AREVB 0x3c11
40 #define USB_PRODUCT_ASUS_RT2770F 0x1742
41 #define USB_PRODUCT_RALINK_RT2770 0x2770
42
43 #define RT2870_USB_CONFIG_INDEX 0
44 #define RT2870_USB_IFACE_INDEX 0
45
46 #define RT2870_USB_REQ_MAC_READ_MULTI 0x07
47
48 /* packet length + Rx wireless info + Rx info */
49 #define RT2870_RX_DESC_SIZE \
50 (sizeof(uint32_t) + sizeof(struct rt2870_rxwi) + sizeof(struct rt2870_rxinfo))
51
52 /* Tx info + Tx wireless info + max padding */
53 #define RT2870_TX_DESC_SIZE \
54 (sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + 11)
55
56 #define RT2870_MAX_AGG_SIZE 3840
57
58 #define RT2870_USB_RX_BULK_BUFLEN (2048 * 12)
59
60 #define RT2870_NOISE_FLOOR -95
61
62 #define RT2870_AID2WCID(aid) ((aid) & 0xff)
63
64 #define RT2870_ACK_SIZE 14
65
66 #define IEEE80211_HAS_ADDR4(wh) \
67 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
68
69 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
70 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
71
72 #define RT2870_USB_XFER_TIMEOUT 5000
73
74 #define RT2870_TX_WATCHDOG_TIMEOUT 5
75
76 /*
77 * Data structures and types
78 */
79
80 struct rt2870_cmd_argv_keydelete
81 {
82 struct ieee80211_key key;
83 uint16_t associd;
84 };
85
86 /*
87 * Static function prototypes
88 */
89
90 static void rt2870_init_channels(struct rt2870_softc *sc);
91
92 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
93
94 static void rt2870_init_locked(void *priv);
95
96 static void rt2870_init(void *priv);
97
98 static int rt2870_init_bbp(struct rt2870_softc *sc);
99
100 static void rt2870_stop_locked(void *priv);
101
102 static void rt2870_stop(void *priv);
103
104 static void rt2870_start(struct ifnet *ifp);
105
106 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
107
108 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
109 const char name[IFNAMSIZ], int unit, int opmode, int flags,
110 const uint8_t bssid[IEEE80211_ADDR_LEN],
111 const uint8_t mac[IEEE80211_ADDR_LEN]);
112
113 static void rt2870_vap_delete(struct ieee80211vap *vap);
114
115 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd);
116
117 static int rt2870_vap_newstate(struct ieee80211vap *vap,
118 enum ieee80211_state nstate, int arg);
119
120 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap);
121
122 static void rt2870_vap_key_update_end(struct ieee80211vap *vap);
123
124 static int rt2870_vap_key_set(struct ieee80211vap *vap,
125 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
126
127 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
128 const struct ieee80211_key *k);
129
130 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what);
131
132 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
133 const uint8_t mac[IEEE80211_ADDR_LEN]);
134
135 static int rt2870_setregdomain(struct ieee80211com *ic,
136 struct ieee80211_regdomain *reg,
137 int nchans, struct ieee80211_channel chans[]);
138
139 static void rt2870_getradiocaps(struct ieee80211com *ic,
140 int maxchans, int *nchans, struct ieee80211_channel chans[]);
141
142 static void rt2870_scan_start(struct ieee80211com *ic);
143
144 static void rt2870_scan_end(struct ieee80211com *ic);
145
146 static void rt2870_set_channel(struct ieee80211com *ic);
147
148 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
149
150 static void rt2870_updateslot(struct ifnet *ifp);
151
152 static void rt2870_update_promisc(struct ifnet *ifp);
153
154 static void rt2870_update_mcast(struct ifnet *ifp);
155
156 static int rt2870_wme_update(struct ieee80211com *ic);
157
158 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
159 const struct ieee80211_bpf_params *params);
160
161 static int rt2870_recv_action(struct ieee80211_node *ni,
162 const struct ieee80211_frame *wh,
163 const uint8_t *frm, const uint8_t *efrm);
164
165 static int rt2870_send_action(struct ieee80211_node *ni,
166 int cat, int act, void *sa);
167
168 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
169
170 static void rt2870_periodic(void *arg);
171
172 static void rt2870_tx_watchdog(void *arg);
173
174 static int rt2870_do_async(struct rt2870_softc *sc,
175 void (*cb)(struct rt2870_softc *sc, void *arg),
176 void *arg, int len);
177
178 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
179
180 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
181
182 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
183
184 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
185
186 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
187 const uint8_t *bssid);
188
189 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
190 const uint8_t *addr);
191
192 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
193
194 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
195
196 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
197
198 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
199
200 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
201
202 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
203
204 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
205
206 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
207
208 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
209
210 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
211
212 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
213
214 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
215 struct ieee80211vap *vap);
216
217 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
218
219 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
220
221 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
222 const struct rt2870_rxwi *rxwi);
223
224 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
225 uint8_t rssi, uint8_t rxpath);
226
227 static uint8_t rt2870_rate2mcs(uint8_t rate);
228
229 static void rt2870_rx_frame(struct rt2870_softc *sc,
230 uint8_t *buf, uint32_t dmalen);
231
232 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
233 struct mbuf *m, struct ieee80211_node *ni, int qid);
234
235 static int rt2870_tx_data(struct rt2870_softc *sc,
236 struct mbuf *m, struct ieee80211_node *ni, int qid);
237
238 static int rt2870_tx_raw(struct rt2870_softc *sc,
239 struct mbuf *m, struct ieee80211_node *ni,
240 const struct ieee80211_bpf_params *params);
241
242 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
243
244 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
245
246 static void rt2870_rx_done_task(void *context, int pending);
247
248 static void rt2870_tx_done_task(void *context, int pending);
249
250 static void rt2870_periodic_task(void *context, int pending);
251
252 static void rt2870_cmd_task(void *context, int pending);
253
254 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
255
256 static void rt2870_tx_eof(struct rt2870_softc *sc,
257 struct rt2870_softc_tx_ring *ring);
258
259 static void rt2870_update_stats(struct rt2870_softc *sc);
260
261 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
262
263 static void rt2870_watchdog(struct rt2870_softc *sc);
264
265 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
266
267 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
268
269 static int rt2870_txrx_enable(struct rt2870_softc *sc);
270
271 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
272 struct rt2870_softc_rx_ring *ring);
273
274 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
275 struct rt2870_softc_rx_ring *ring);
276
277 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
278 struct rt2870_softc_rx_ring *ring);
279
280 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
281 struct rt2870_softc_tx_ring *ring, int qid);
282
283 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
284 struct rt2870_softc_tx_ring *ring);
285
286 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
287 struct rt2870_softc_tx_ring *ring);
288
289 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
290 struct rt2870_softc_cmd_ring *ring);
291
292 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
293
294 /*
295 * Static variables
296 */
297
298 static const struct usb_device_id rt2870_usb_devid[] =
299 {
300 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
301 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
302 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
303 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
304 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
305 };
306
307 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
308 {
309 {
310 .type = UE_BULK,
311 .endpoint = 0x01,
312 .direction = UE_DIR_IN,
313 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
314 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
315 .callback = rt2870_rx_intr,
316 },
317 {
318 .type = UE_BULK,
319 .endpoint = 0x01,
320 .direction = UE_DIR_OUT,
321 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
322 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
323 .callback = rt2870_tx_intr,
324 .timeout = RT2870_USB_XFER_TIMEOUT,
325 },
326 {
327 .type = UE_BULK,
328 .endpoint = 0x02,
329 .direction = UE_DIR_OUT,
330 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
331 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
332 .callback = rt2870_tx_intr,
333 .timeout = RT2870_USB_XFER_TIMEOUT,
334 },
335 {
336 .type = UE_BULK,
337 .endpoint = 0x03,
338 .direction = UE_DIR_OUT,
339 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
340 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
341 .callback = rt2870_tx_intr,
342 .timeout = RT2870_USB_XFER_TIMEOUT,
343 },
344 {
345 .type = UE_BULK,
346 .endpoint = 0x04,
347 .direction = UE_DIR_OUT,
348 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
349 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
350 .callback = rt2870_tx_intr,
351 .timeout = RT2870_USB_XFER_TIMEOUT,
352 },
353 {
354 .type = UE_BULK,
355 .endpoint = 0x05,
356 .direction = UE_DIR_OUT,
357 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
358 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
359 .callback = rt2870_tx_intr,
360 .timeout = RT2870_USB_XFER_TIMEOUT,
361 },
362 {
363 .type = UE_BULK,
364 .endpoint = 0x06,
365 .direction = UE_DIR_OUT,
366 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
367 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
368 .callback = rt2870_tx_intr,
369 .timeout = RT2870_USB_XFER_TIMEOUT,
370 },
371 };
372
373 static const struct
374 {
375 uint32_t reg;
376 uint32_t val;
377 } rt2870_def_mac[] =
378 {
379 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
380 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
381 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
382 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
383 { RT2870_REG_SYS_CTRL, 0x00000000 },
384 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
385 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
386 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
387 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
388 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
389 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
390 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
391 { RT2870_REG_LED_CFG, 0x7f031e46 },
392 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
393 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
394 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
395 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
396 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
397 { RT2870_REG_PBF_CFG, 0x00f40006 },
398 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
399 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
400 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
401 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
402 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
403 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
404 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
405 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
406 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
407 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
408 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
409 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
410 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
411 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
412 };
413
414 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
415
416 static const struct
417 {
418 uint8_t reg;
419 uint8_t val;
420 } rt2870_def_bbp[] =
421 {
422 { 65, 0x2c },
423 { 66, 0x38 },
424 { 69, 0x12 },
425 { 70, 0x0a },
426 { 73, 0x10 },
427 { 81, 0x37 },
428 { 82, 0x62 },
429 { 83, 0x6a },
430 { 84, 0x99 },
431 { 86, 0x00 },
432 { 91, 0x04 },
433 { 92, 0x00 },
434 { 103, 0x00 },
435 { 105, 0x05 },
436 { 106, 0x35 },
437 };
438
439 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
440
441 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
442
443 #ifdef RT2870_DEBUG
444 static int rt2870_debug = 0;
445 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
446 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
447 #endif
448
449 /*
450 * rt2870_probe
451 */
452 static int rt2870_probe(device_t dev)
453 {
454 struct usb_attach_arg *uaa;
455
456 uaa = device_get_ivars(dev);
457
458 if (uaa->usb_mode != USB_MODE_HOST)
459 return ENXIO;
460
461 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
462 return ENXIO;
463
464 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
465 return ENXIO;
466
467 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
468 sizeof(rt2870_usb_devid), uaa));
469 }
470
471 /*
472 * rt2870_attach
473 */
474 static int rt2870_attach(device_t dev)
475 {
476 struct rt2870_softc *sc;
477 struct usb_attach_arg *uaa;
478 usb_error_t usb_error;
479 struct ieee80211com *ic;
480 struct ifnet *ifp;
481 struct usb_interface *iface;
482 struct usb_interface_descriptor *iface_desc;
483 uint8_t iface_index;
484 int error, ntries, i;
485
486 sc = device_get_softc(dev);
487 uaa = device_get_ivars(dev);
488
489 sc->dev = dev;
490 sc->usb_dev = uaa->device;
491
492 device_set_usb_desc(dev);
493
494 #ifdef RT2870_DEBUG
495 sc->debug = rt2870_debug;
496
497 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
498 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
499 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
500 #endif
501
502 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
503 "%s: attaching\n",
504 device_get_nameunit(sc->dev));
505
506 iface_index = RT2870_USB_IFACE_INDEX;
507
508 iface = usbd_get_iface(uaa->device, iface_index);
509 if (iface == NULL)
510 {
511 printf("%s: could not get USB interface\n",
512 device_get_nameunit(sc->dev));
513 return ENXIO;
514 }
515
516 iface_desc = usbd_get_interface_descriptor(iface);
517 if (iface_desc == NULL)
518 {
519 printf("%s: could not get USB interface descriptor\n",
520 device_get_nameunit(sc->dev));
521 return ENXIO;
522 }
523
524 sc->usb_endpoints = iface_desc->bNumEndpoints;
525 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
526 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
527 {
528 printf("%s: wrong number of USB endpoints=%d\n",
529 device_get_nameunit(sc->dev), sc->usb_endpoints);
530 return ENXIO;
531 }
532
533 mtx_init(&sc->lock, device_get_nameunit(dev),
534 MTX_NETWORK_LOCK, MTX_DEF);
535
536 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
537 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
538 sc, &sc->lock);
539 if (usb_error != 0)
540 {
541 printf("%s: could not allocate USB transfers: error=%s\n",
542 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
543 error = ENXIO;
544 goto fail;
545 }
546
547 RT2870_SOFTC_LOCK(sc);
548
549 for (ntries = 0; ntries < 100; ntries++)
550 {
551 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
552 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
553 break;
554
555 DELAY(10);
556 }
557
558 if (ntries == 100)
559 {
560 printf("%s: timeout waiting for NIC to initialize\n",
561 device_get_nameunit(sc->dev));
562 error = ENXIO;
563 goto fail;
564 }
565
566 rt2870_read_eeprom(sc);
567
568 RT2870_SOFTC_UNLOCK(sc);
569
570 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
571 device_get_nameunit(sc->dev), sc->mac_rev,
572 rt2870_rf_name(sc->rf_rev));
573
574 /* allocate Tx and Rx rings */
575
576 for (i = 0; i < sc->usb_endpoints - 1; i++)
577 {
578 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
579 if (error != 0)
580 {
581 printf("%s: could not allocate Tx ring #%d\n",
582 device_get_nameunit(sc->dev), i);
583 goto fail;
584 }
585 }
586
587 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
588 sc->tx_ring_mgtqid = 5;
589 else
590 sc->tx_ring_mgtqid = 0;
591
592 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
593 if (error != 0)
594 {
595 printf("%s: could not allocate Rx ring\n",
596 device_get_nameunit(sc->dev));
597 goto fail;
598 }
599
600 callout_init(&sc->periodic_ch, 0);
601 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
602
603 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
604 if (ifp == NULL)
605 {
606 printf("%s: could not if_alloc()\n",
607 device_get_nameunit(sc->dev));
608 error = ENOMEM;
609 goto fail;
610 }
611
612 ifp->if_softc = sc;
613
614 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
615
616 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
617
618 ifp->if_init = rt2870_init;
619 ifp->if_ioctl = rt2870_ioctl;
620 ifp->if_start = rt2870_start;
621
622 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
623 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
624 IFQ_SET_READY(&ifp->if_snd);
625
626 ic = ifp->if_l2com;
627
628 ic->ic_ifp = ifp;
629
630 ic->ic_phytype = IEEE80211_T_HT;
631 ic->ic_opmode = IEEE80211_M_STA;
632
633 ic->ic_caps = IEEE80211_C_MONITOR |
634 IEEE80211_C_IBSS |
635 IEEE80211_C_STA |
636 IEEE80211_C_AHDEMO |
637 IEEE80211_C_HOSTAP |
638 IEEE80211_C_WDS |
639 IEEE80211_C_MBSS |
640 /* IEEE80211_C_BGSCAN | */
641 IEEE80211_C_TXPMGT |
642 IEEE80211_C_SHPREAMBLE |
643 IEEE80211_C_SHSLOT |
644 IEEE80211_C_TXFRAG |
645 IEEE80211_C_BURST |
646 IEEE80211_C_WME |
647 IEEE80211_C_WPA;
648
649 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
650 IEEE80211_CRYPTO_TKIP |
651 IEEE80211_CRYPTO_TKIPMIC |
652 IEEE80211_CRYPTO_AES_CCM;
653
654 ic->ic_htcaps = IEEE80211_HTC_HT |
655 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
656 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
657 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
658 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
659 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
660 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
661 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
662 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
663
664 /* spatial streams */
665
666 if (sc->nrxpath == 2)
667 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
668 else if (sc->nrxpath == 3)
669 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
670 else
671 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
672
673 if (sc->ntxpath > 1)
674 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
675
676 /* delayed BA */
677
678 if (sc->mac_rev != 0x28600100)
679 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
680
681 /* init channels */
682
683 ic->ic_nchans = 0;
684
685 rt2870_init_channels(sc);
686
687 rt2870_init_channels_ht40(sc);
688
689 ieee80211_ifattach(ic, sc->mac_addr);
690
691 ic->ic_vap_create = rt2870_vap_create;
692 ic->ic_vap_delete = rt2870_vap_delete;
693
694 ic->ic_node_alloc = rt2870_node_alloc;
695 ic->ic_setregdomain = rt2870_setregdomain;
696 ic->ic_getradiocaps = rt2870_getradiocaps;
697 ic->ic_scan_start = rt2870_scan_start;
698 ic->ic_scan_end = rt2870_scan_end;
699 ic->ic_set_channel = rt2870_set_channel;
700 ic->ic_newassoc = rt2870_newassoc;
701 ic->ic_updateslot = rt2870_updateslot;
702 ic->ic_update_promisc = rt2870_update_promisc;
703 ic->ic_update_mcast = rt2870_update_mcast;
704 ic->ic_wme.wme_update = rt2870_wme_update;
705 ic->ic_raw_xmit = rt2870_raw_xmit;
706
707 sc->recv_action = ic->ic_recv_action;
708 ic->ic_recv_action = rt2870_recv_action;
709
710 sc->send_action = ic->ic_send_action;
711 ic->ic_send_action = rt2870_send_action;
712
713 /* hardware requires padding between 802.11 frame header and body */
714
715 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
716
717 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
718
719 ieee80211_radiotap_attach(ic,
720 &sc->txtap.ihdr, sizeof(sc->txtap),
721 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
722 &sc->rxtap.ihdr, sizeof(sc->rxtap),
723 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
724
725 /* init task queue */
726
727 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
728 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
729 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
730 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
731
732 sc->rx_process_limit = 100;
733
734 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
735 taskqueue_thread_enqueue, &sc->taskqueue);
736
737 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
738 device_get_nameunit(sc->dev));
739
740 rt2870_sysctl_attach(sc);
741
742 if (bootverbose)
743 ieee80211_announce(ic);
744
745 return 0;
746
747 fail:
748
749 /* stop all USB transfers */
750
751 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
752
753 /* free Tx and Rx rings */
754
755 for (i = 0; i < sc->usb_endpoints - 1; i++)
756 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
757
758 rt2870_free_rx_ring(sc, &sc->rx_ring);
759
760 mtx_destroy(&sc->lock);
761
762 return error;
763 }
764
765 /*
766 * rt2870_detach
767 */
768 static int rt2870_detach(device_t dev)
769 {
770 struct rt2870_softc *sc;
771 struct ieee80211com *ic;
772 struct ifnet *ifp;
773 int i;
774
775 if (!device_is_attached(dev))
776 return 0;
777
778 sc = device_get_softc(dev);
779 ifp = sc->ifp;
780 ic = ifp->if_l2com;
781
782 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
783 "%s: detaching\n",
784 device_get_nameunit(sc->dev));
785
786 RT2870_SOFTC_LOCK(sc);
787
788 sc->tx_timer = 0;
789
790 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
791
792 callout_stop(&sc->periodic_ch);
793 callout_stop(&sc->tx_watchdog_ch);
794
795 RT2870_SOFTC_UNLOCK(sc);
796
797 taskqueue_block(sc->taskqueue);
798
799 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
800 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
801 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
802 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
803
804 /* stop all USB transfers */
805
806 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
807
808 RT2870_SOFTC_LOCK(sc);
809
810 /* free Tx and Rx rings */
811
812 for (i = 0; i < sc->usb_endpoints - 1; i++)
813 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
814
815 rt2870_free_rx_ring(sc, &sc->rx_ring);
816
817 RT2870_SOFTC_UNLOCK(sc);
818
819 ieee80211_ifdetach(ic);
820
821 if_free(ifp);
822
823 taskqueue_free(sc->taskqueue);
824
825 mtx_destroy(&sc->lock);
826
827 return 0;
828 }
829
830 /*
831 * rt2870_init_channels
832 */
833 static void rt2870_init_channels(struct rt2870_softc *sc)
834 {
835 struct ifnet *ifp;
836 struct ieee80211com *ic;
837 struct ieee80211_channel *c;
838 int i, flags;
839
840 ifp = sc->ifp;
841 ic = ifp->if_l2com;
842
843 /* set supported channels for 2GHz band */
844
845 for (i = 1; i <= 14; i++)
846 {
847 c = &ic->ic_channels[ic->ic_nchans++];
848 flags = IEEE80211_CHAN_B;
849
850 c->ic_freq = ieee80211_ieee2mhz(i, flags);
851 c->ic_ieee = i;
852 c->ic_flags = flags;
853
854 c = &ic->ic_channels[ic->ic_nchans++];
855 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
856
857 c->ic_freq = ieee80211_ieee2mhz(i, flags);
858 c->ic_ieee = i;
859 c->ic_flags = flags;
860
861 c = &ic->ic_channels[ic->ic_nchans++];
862 flags = IEEE80211_CHAN_G;
863
864 c->ic_freq = ieee80211_ieee2mhz(i, flags);
865 c->ic_ieee = i;
866 c->ic_flags = flags;
867
868 c = &ic->ic_channels[ic->ic_nchans++];
869 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
870
871 c->ic_freq = ieee80211_ieee2mhz(i, flags);
872 c->ic_ieee = i;
873 c->ic_flags = flags;
874 }
875
876 /* set supported channels for 5GHz band */
877
878 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
879 sc->rf_rev == RT2870_EEPROM_RF_2750)
880 {
881 for (i = 36; i <= 64; i += 4)
882 {
883 c = &ic->ic_channels[ic->ic_nchans++];
884 flags = IEEE80211_CHAN_A;
885
886 c->ic_freq = ieee80211_ieee2mhz(i, flags);
887 c->ic_ieee = i;
888 c->ic_flags = flags;
889
890 c = &ic->ic_channels[ic->ic_nchans++];
891 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
892
893 c->ic_freq = ieee80211_ieee2mhz(i, flags);
894 c->ic_ieee = i;
895 c->ic_flags = flags;
896 }
897
898 for (i = 100; i <= 140; i += 4)
899 {
900 c = &ic->ic_channels[ic->ic_nchans++];
901 flags = IEEE80211_CHAN_A;
902
903 c->ic_freq = ieee80211_ieee2mhz(i, flags);
904 c->ic_ieee = i;
905 c->ic_flags = flags;
906
907 c = &ic->ic_channels[ic->ic_nchans++];
908 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
909
910 c->ic_freq = ieee80211_ieee2mhz(i, flags);
911 c->ic_ieee = i;
912 c->ic_flags = flags;
913 }
914
915 for (i = 149; i <= 165; i += 4)
916 {
917 c = &ic->ic_channels[ic->ic_nchans++];
918 flags = IEEE80211_CHAN_A;
919
920 c->ic_freq = ieee80211_ieee2mhz(i, flags);
921 c->ic_ieee = i;
922 c->ic_flags = flags;
923
924 c = &ic->ic_channels[ic->ic_nchans++];
925 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
926
927 c->ic_freq = ieee80211_ieee2mhz(i, flags);
928 c->ic_ieee = i;
929 c->ic_flags = flags;
930 }
931 }
932 }
933
934 /*
935 * rt2870_init_channels_ht40
936 */
937 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
938 {
939 struct ifnet *ifp;
940 struct ieee80211com *ic;
941 struct ieee80211_channel *c, *cent, *ext;
942 int i, flags;
943
944 ifp = sc->ifp;
945 ic = ifp->if_l2com;
946
947 /* set supported channels for 2GHz band */
948
949 for (i = 1; i <= 14; i++)
950 {
951 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
952
953 /* find the center channel */
954
955 cent = ieee80211_find_channel_byieee(ic, i,
956 flags & ~IEEE80211_CHAN_HT);
957 if (cent == NULL)
958 {
959 printf("%s: skip channel %d, could not find center channel\n",
960 device_get_nameunit(sc->dev), i);
961 continue;
962 }
963
964 /* find the extension channel */
965
966 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
967 flags & ~IEEE80211_CHAN_HT);
968 if (ext == NULL)
969 {
970 printf("%s: skip channel %d, could not find extension channel\n",
971 device_get_nameunit(sc->dev), i);
972 continue;
973 }
974
975 c = &ic->ic_channels[ic->ic_nchans++];
976
977 *c = *cent;
978 c->ic_extieee = ext->ic_ieee;
979 c->ic_flags &= ~IEEE80211_CHAN_HT;
980 c->ic_flags |= IEEE80211_CHAN_HT40U;
981
982 c = &ic->ic_channels[ic->ic_nchans++];
983
984 *c = *ext;
985 c->ic_extieee = cent->ic_ieee;
986 c->ic_flags &= ~IEEE80211_CHAN_HT;
987 c->ic_flags |= IEEE80211_CHAN_HT40D;
988 }
989
990 /* set supported channels for 5GHz band */
991
992 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
993 sc->rf_rev == RT2870_EEPROM_RF_2750)
994 {
995 for (i = 36; i <= 64; i += 4)
996 {
997 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
998
999 /* find the center channel */
1000
1001 cent = ieee80211_find_channel_byieee(ic, i,
1002 flags & ~IEEE80211_CHAN_HT);
1003 if (cent == NULL)
1004 {
1005 printf("%s: skip channel %d, could not find center channel\n",
1006 device_get_nameunit(sc->dev), i);
1007 continue;
1008 }
1009
1010 /* find the extension channel */
1011
1012 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1013 flags & ~IEEE80211_CHAN_HT);
1014 if (ext == NULL)
1015 {
1016 printf("%s: skip channel %d, could not find extension channel\n",
1017 device_get_nameunit(sc->dev), i);
1018 continue;
1019 }
1020
1021 c = &ic->ic_channels[ic->ic_nchans++];
1022
1023 *c = *cent;
1024 c->ic_extieee = ext->ic_ieee;
1025 c->ic_flags &= ~IEEE80211_CHAN_HT;
1026 c->ic_flags |= IEEE80211_CHAN_HT40U;
1027
1028 c = &ic->ic_channels[ic->ic_nchans++];
1029
1030 *c = *ext;
1031 c->ic_extieee = cent->ic_ieee;
1032 c->ic_flags &= ~IEEE80211_CHAN_HT;
1033 c->ic_flags |= IEEE80211_CHAN_HT40D;
1034 }
1035
1036 for (i = 100; i <= 140; i += 4)
1037 {
1038 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1039
1040 /* find the center channel */
1041
1042 cent = ieee80211_find_channel_byieee(ic, i,
1043 flags & ~IEEE80211_CHAN_HT);
1044 if (cent == NULL)
1045 {
1046 printf("%s: skip channel %d, could not find center channel\n",
1047 device_get_nameunit(sc->dev), i);
1048 continue;
1049 }
1050
1051 /* find the extension channel */
1052
1053 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1054 flags & ~IEEE80211_CHAN_HT);
1055 if (ext == NULL)
1056 {
1057 printf("%s: skip channel %d, could not find extension channel\n",
1058 device_get_nameunit(sc->dev), i);
1059 continue;
1060 }
1061
1062 c = &ic->ic_channels[ic->ic_nchans++];
1063
1064 *c = *cent;
1065 c->ic_extieee = ext->ic_ieee;
1066 c->ic_flags &= ~IEEE80211_CHAN_HT;
1067 c->ic_flags |= IEEE80211_CHAN_HT40U;
1068
1069 c = &ic->ic_channels[ic->ic_nchans++];
1070
1071 *c = *ext;
1072 c->ic_extieee = cent->ic_ieee;
1073 c->ic_flags &= ~IEEE80211_CHAN_HT;
1074 c->ic_flags |= IEEE80211_CHAN_HT40D;
1075 }
1076
1077 for (i = 149; i <= 165; i += 4)
1078 {
1079 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1080
1081 /* find the center channel */
1082
1083 cent = ieee80211_find_channel_byieee(ic, i,
1084 flags & ~IEEE80211_CHAN_HT);
1085 if (cent == NULL)
1086 {
1087 printf("%s: skip channel %d, could not find center channel\n",
1088 device_get_nameunit(sc->dev), i);
1089 continue;
1090 }
1091
1092 /* find the extension channel */
1093
1094 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1095 flags & ~IEEE80211_CHAN_HT);
1096 if (ext == NULL)
1097 {
1098 printf("%s: skip channel %d, could not find extension channel\n",
1099 device_get_nameunit(sc->dev), i);
1100 continue;
1101 }
1102
1103 c = &ic->ic_channels[ic->ic_nchans++];
1104
1105 *c = *cent;
1106 c->ic_extieee = ext->ic_ieee;
1107 c->ic_flags &= ~IEEE80211_CHAN_HT;
1108 c->ic_flags |= IEEE80211_CHAN_HT40U;
1109
1110 c = &ic->ic_channels[ic->ic_nchans++];
1111
1112 *c = *ext;
1113 c->ic_extieee = cent->ic_ieee;
1114 c->ic_flags &= ~IEEE80211_CHAN_HT;
1115 c->ic_flags |= IEEE80211_CHAN_HT40D;
1116 }
1117 }
1118 }
1119
1120 /*
1121 * rt2870_init_locked
1122 */
1123 static void rt2870_init_locked(void *priv)
1124 {
1125 struct rt2870_softc *sc;
1126 struct ifnet *ifp;
1127 struct ieee80211com *ic;
1128 int ntries, error, i;
1129 uint32_t tmp, stacnt[6];
1130
1131 sc = priv;
1132 ifp = sc->ifp;
1133 ic = ifp->if_l2com;
1134
1135 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1136 "%s: initializing\n",
1137 device_get_nameunit(sc->dev));
1138
1139 RT2870_SOFTC_ASSERT_LOCKED(sc);
1140
1141 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1142 {
1143 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1144 "%s: loading 8051 microcode\n",
1145 device_get_nameunit(sc->dev));
1146
1147 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1148 if (error != 0)
1149 {
1150 printf("%s: could not load 8051 microcode\n",
1151 device_get_nameunit(sc->dev));
1152 goto fail;
1153 }
1154
1155 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1156 "%s: 8051 microcode was successfully loaded\n",
1157 device_get_nameunit(sc->dev));
1158
1159 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1160 }
1161
1162 /* wait while DMA engine is busy */
1163
1164 for (ntries = 0; ntries < 100; ntries++)
1165 {
1166 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1167 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1168 break;
1169
1170 DELAY(1000);
1171 }
1172
1173 if (ntries == 100)
1174 {
1175 printf("%s: timeout waiting for DMA engine\n",
1176 device_get_nameunit(sc->dev));
1177 goto fail;
1178 }
1179
1180 tmp &= 0xff0;
1181 tmp |= RT2870_REG_TX_WB_DDONE;
1182
1183 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1184
1185 /* PBF hardware reset */
1186
1187 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1188
1189 tmp &= ~(1 << 13);
1190
1191 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1192
1193 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1194 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1195
1196 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1197
1198 rt2870_io_mcu_reset(sc);
1199
1200 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1201
1202 /* init Tx power per rate */
1203
1204 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1205 {
1206 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1207 continue;
1208
1209 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1210 sc->txpow_rate_20mhz[i]);
1211 }
1212
1213 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1214 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1215 rt2870_def_mac[i].val);
1216
1217 /* wait while MAC is busy */
1218
1219 for (ntries = 0; ntries < 100; ntries++)
1220 {
1221 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1222 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1223 break;
1224
1225 DELAY(1000);
1226 }
1227
1228 if (ntries == 100)
1229 {
1230 printf("%s: timeout waiting for MAC\n",
1231 device_get_nameunit(sc->dev));
1232 goto fail;
1233 }
1234
1235 /* clear Host to MCU mailbox */
1236
1237 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1238 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1239
1240 DELAY(1000);
1241
1242 error = rt2870_init_bbp(sc);
1243 if (error != 0)
1244 goto fail;
1245
1246 /* set up maximum buffer sizes */
1247
1248 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1249
1250 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1251
1252 if (sc->mac_rev == 0x28720200)
1253 {
1254 /* set max. PSDU length from 16K to 32K bytes */
1255
1256 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1257
1258 tmp &= ~(3 << 12);
1259 tmp |= (2 << 12);
1260
1261 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1262 }
1263
1264 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1265 {
1266 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1267
1268 tmp &= 0xfff;
1269 tmp |= 0x2000;
1270
1271 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1272 }
1273
1274 /* set mac address */
1275
1276 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1277
1278 /* clear statistic registers */
1279
1280 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1281 stacnt, sizeof(stacnt));
1282
1283 /* send LEDs operating mode to microcontroller */
1284
1285 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1286 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1287 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1288 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1289 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1290 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1291
1292 /* write vendor-specific BBP values (from EEPROM) */
1293
1294 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1295 {
1296 if (sc->bbp_eeprom[i].reg == 0x00 ||
1297 sc->bbp_eeprom[i].reg == 0xff)
1298 continue;
1299
1300 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1301 sc->bbp_eeprom[i].val);
1302 }
1303
1304 /* disable non-existing Rx chains */
1305
1306 tmp = rt2870_io_bbp_read(sc, 3);
1307
1308 tmp &= ~((1 << 4) | (1 << 3));
1309
1310 if (sc->nrxpath == 3)
1311 tmp |= (1 << 4);
1312 else if (sc->nrxpath == 2)
1313 tmp |= (1 << 3);
1314
1315 rt2870_io_bbp_write(sc, 3, tmp);
1316
1317 /* disable non-existing Tx chains */
1318
1319 tmp = rt2870_io_bbp_read(sc, 1);
1320
1321 tmp &= ~((1 << 4) | (1 << 3));
1322
1323 if (sc->ntxpath == 2)
1324 tmp |= (1 << 4);
1325
1326 rt2870_io_bbp_write(sc, 1, tmp);
1327
1328 /* set current channel */
1329
1330 rt2870_rf_set_chan(sc, ic->ic_curchan);
1331
1332 /* turn radio LED on */
1333
1334 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1335
1336 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1337 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1338
1339 /* set RTS threshold */
1340
1341 rt2870_asic_update_rtsthreshold(sc);
1342
1343 /* set Tx power */
1344
1345 rt2870_asic_update_txpower(sc);
1346
1347 /* set up protection mode */
1348
1349 rt2870_asic_updateprot(sc);
1350
1351 /* clear key tables */
1352
1353 rt2870_asic_clear_keytables(sc);
1354
1355 /* clear beacon frame space (entries = 8, entry size = 512) */
1356
1357 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1358
1359 if (rt2870_txrx_enable(sc) != 0)
1360 goto fail;
1361
1362 /* clear garbage interrupts */
1363
1364 tmp = rt2870_io_mac_read(sc, 0x1300);
1365
1366 taskqueue_unblock(sc->taskqueue);
1367
1368 /* init Tx and Rx rings */
1369
1370 for(i = 0; i < sc->usb_endpoints - 1; i++)
1371 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1372
1373 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1374
1375 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1376
1377 for(i = 0; i < sc->usb_endpoints - 1; i++)
1378 {
1379 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1380 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1381 }
1382
1383 /* start up the receive pipe */
1384
1385 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1386 usbd_transfer_start(sc->usb_xfer[0]);
1387
1388 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1389 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1390
1391 sc->periodic_round = 0;
1392
1393 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1394
1395 return;
1396
1397 fail:
1398
1399 rt2870_stop_locked(sc);
1400 }
1401
1402 /*
1403 * rt2870_init
1404 */
1405 static void rt2870_init(void *priv)
1406 {
1407 struct rt2870_softc *sc;
1408
1409 sc = priv;
1410
1411 RT2870_SOFTC_LOCK(sc);
1412
1413 rt2870_init_locked(sc);
1414
1415 RT2870_SOFTC_UNLOCK(sc);
1416 }
1417
1418 /*
1419 * rt2870_init_bbp
1420 */
1421 static int rt2870_init_bbp(struct rt2870_softc *sc)
1422 {
1423 int ntries, i;
1424 uint8_t tmp;
1425
1426 for (ntries = 0; ntries < 20; ntries++)
1427 {
1428 tmp = rt2870_io_bbp_read(sc, 0);
1429 if (tmp != 0x00 && tmp != 0xff)
1430 break;
1431 }
1432
1433 if (tmp == 0x00 || tmp == 0xff)
1434 {
1435 printf("%s: timeout waiting for BBP to wakeup\n",
1436 device_get_nameunit(sc->dev));
1437 return ETIMEDOUT;
1438 }
1439
1440 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1441 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1442 rt2870_def_bbp[i].val);
1443
1444 if ((sc->mac_rev & 0xffff) != 0x0101)
1445 rt2870_io_bbp_write(sc, 84, 0x19);
1446
1447 if (sc->mac_rev == 0x28600100)
1448 {
1449 rt2870_io_bbp_write(sc, 69, 0x16);
1450 rt2870_io_bbp_write(sc, 73, 0x12);
1451 }
1452
1453 return 0;
1454 }
1455
1456 /*
1457 * rt2870_stop_locked
1458 */
1459 static void rt2870_stop_locked(void *priv)
1460 {
1461 struct rt2870_softc *sc;
1462 struct ifnet *ifp;
1463 struct ieee80211com *ic;
1464 uint32_t tmp;
1465 int i;
1466
1467 sc = priv;
1468 ifp = sc->ifp;
1469 ic = ifp->if_l2com;
1470
1471 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1472 "%s: stopping\n",
1473 device_get_nameunit(sc->dev));
1474
1475 RT2870_SOFTC_ASSERT_LOCKED(sc);
1476
1477 sc->tx_timer = 0;
1478
1479 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1480 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1481
1482 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1483
1484 callout_stop(&sc->periodic_ch);
1485 callout_stop(&sc->tx_watchdog_ch);
1486
1487 RT2870_SOFTC_UNLOCK(sc);
1488
1489 taskqueue_block(sc->taskqueue);
1490
1491 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1492 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1493 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1494 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1495
1496 RT2870_SOFTC_LOCK(sc);
1497
1498 /* clear key tables */
1499
1500 rt2870_asic_clear_keytables(sc);
1501
1502 /* disable Tx/Rx */
1503
1504 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1505
1506 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1507
1508 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1509
1510 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1511
1512 /* reset adapter */
1513
1514 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1515 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1516 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1517
1518 /* abort any pending transfers */
1519
1520 for (i = 0; i < sc->usb_endpoints; i++)
1521 usbd_transfer_stop(sc->usb_xfer[i]);
1522 }
1523
1524 /*
1525 * rt2870_stop
1526 */
1527 static void rt2870_stop(void *priv)
1528 {
1529 struct rt2870_softc *sc;
1530
1531 sc = priv;
1532
1533 RT2870_SOFTC_LOCK(sc);
1534
1535 rt2870_stop_locked(sc);
1536
1537 RT2870_SOFTC_UNLOCK(sc);
1538 }
1539
1540 /*
1541 * rt2870_start
1542 */
1543 static void rt2870_start(struct ifnet *ifp)
1544 {
1545 struct rt2870_softc *sc;
1546 struct ieee80211_node *ni;
1547 struct mbuf *m;
1548 int qid;
1549
1550 sc = ifp->if_softc;
1551
1552 RT2870_SOFTC_LOCK(sc);
1553
1554 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1555 {
1556 RT2870_SOFTC_UNLOCK(sc);
1557 return;
1558 }
1559
1560 for (;;)
1561 {
1562 IF_POLL(&ifp->if_snd, m);
1563 if (m == NULL)
1564 break;
1565
1566 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1567
1568 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1569
1570 qid = M_WME_GETAC(m);
1571
1572 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1573 {
1574 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1575 "%s: if_start: Tx ring with qid=%d is full\n",
1576 device_get_nameunit(sc->dev), qid);
1577
1578 m_freem(m);
1579 ieee80211_free_node(ni);
1580
1581 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1582 ifp->if_oerrors++;
1583
1584 sc->tx_data_queue_full[qid]++;
1585
1586 break;
1587 }
1588
1589 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1590 {
1591 ieee80211_free_node(ni);
1592 ifp->if_oerrors++;
1593 break;
1594 }
1595
1596 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1597
1598 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1599 }
1600
1601 RT2870_SOFTC_UNLOCK(sc);
1602 }
1603
1604 /*
1605 * rt2870_ioctl
1606 */
1607 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1608 {
1609 struct rt2870_softc *sc;
1610 struct ieee80211com *ic;
1611 struct ifreq *ifr;
1612 int error, startall;
1613
1614 sc = ifp->if_softc;
1615 ic = ifp->if_l2com;
1616 ifr = (struct ifreq *) data;
1617
1618 error = 0;
1619
1620 switch (cmd)
1621 {
1622 case SIOCSIFFLAGS:
1623 startall = 0;
1624
1625 RT2870_SOFTC_LOCK(sc);
1626
1627 if (ifp->if_flags & IFF_UP)
1628 {
1629 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1630 {
1631 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1632 rt2870_asic_update_promisc(sc);
1633 }
1634 else
1635 {
1636 rt2870_init_locked(sc);
1637 startall = 1;
1638 }
1639 }
1640 else
1641 {
1642 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1643 rt2870_stop_locked(sc);
1644 }
1645
1646 sc->if_flags = ifp->if_flags;
1647
1648 RT2870_SOFTC_UNLOCK(sc);
1649
1650 if (startall)
1651 ieee80211_start_all(ic);
1652 break;
1653
1654 case SIOCGIFMEDIA:
1655 case SIOCSIFMEDIA:
1656 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1657 break;
1658
1659 case SIOCGIFADDR:
1660 error = ether_ioctl(ifp, cmd, data);
1661 break;
1662
1663 default:
1664 error = EINVAL;
1665 break;
1666 }
1667
1668 return error;
1669 }
1670
1671 /*
1672 * rt2870_vap_create
1673 */
1674 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1675 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1676 const uint8_t bssid[IEEE80211_ADDR_LEN],
1677 const uint8_t mac[IEEE80211_ADDR_LEN])
1678 {
1679 struct rt2870_softc *sc;
1680 struct ifnet *ifp;
1681 struct rt2870_softc_vap *rvap;
1682 struct ieee80211vap *vap;
1683
1684 ifp = ic->ic_ifp;
1685 sc = ifp->if_softc;
1686
1687 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1688 "%s: VAP create: opmode=%s\n",
1689 device_get_nameunit(sc->dev),
1690 ieee80211_opmode_name[opmode]);
1691
1692 switch (opmode)
1693 {
1694 case IEEE80211_M_MONITOR:
1695 case IEEE80211_M_IBSS:
1696 case IEEE80211_M_STA:
1697 case IEEE80211_M_AHDEMO:
1698 case IEEE80211_M_HOSTAP:
1699 case IEEE80211_M_MBSS:
1700 if (!TAILQ_EMPTY(&ic->ic_vaps))
1701 {
1702 if_printf(ifp, "only 1 VAP supported\n");
1703 return NULL;
1704 }
1705
1706 if (opmode == IEEE80211_M_STA)
1707 flags |= IEEE80211_CLONE_NOBEACONS;
1708 break;
1709
1710 case IEEE80211_M_WDS:
1711 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1712 {
1713 if_printf(ifp, "WDS only supported in AP mode\n");
1714 return NULL;
1715 }
1716
1717 flags &= ~IEEE80211_CLONE_BSSID;
1718 break;
1719
1720 default:
1721 if_printf(ifp, "unknown opmode %d\n", opmode);
1722 return NULL;
1723 }
1724
1725 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1726 M_80211_VAP, M_NOWAIT | M_ZERO);
1727 if (rvap == NULL)
1728 return NULL;
1729
1730 vap = &rvap->vap;
1731
1732 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1733
1734 rvap->newstate = vap->iv_newstate;
1735 vap->iv_newstate = rt2870_vap_newstate;
1736
1737 vap->iv_reset = rt2870_vap_reset;
1738 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1739 vap->iv_key_update_end = rt2870_vap_key_update_end;
1740 vap->iv_key_set = rt2870_vap_key_set;
1741 vap->iv_key_delete = rt2870_vap_key_delete;
1742 vap->iv_update_beacon = rt2870_vap_update_beacon;
1743
1744 rt2870_amrr_init(&rvap->amrr, vap,
1745 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1746 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1747 500);
1748
1749 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1750
1751 ic->ic_opmode = opmode;
1752
1753 return vap;
1754 }
1755
1756 /*
1757 * rt2870_vap_delete
1758 */
1759 static void rt2870_vap_delete(struct ieee80211vap *vap)
1760 {
1761 struct rt2870_softc *sc;
1762 struct ieee80211com *ic;
1763 struct ifnet *ifp;
1764 struct rt2870_softc_vap *rvap;
1765
1766 ic = vap->iv_ic;
1767 ifp = ic->ic_ifp;
1768 sc = ifp->if_softc;
1769 rvap = (struct rt2870_softc_vap *) vap;
1770
1771 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1772 "%s: VAP delete: opmode=%s\n",
1773 device_get_nameunit(sc->dev),
1774 ieee80211_opmode_name[vap->iv_opmode]);
1775
1776 rt2870_amrr_cleanup(&rvap->amrr);
1777
1778 ieee80211_vap_detach(vap);
1779
1780 free(rvap, M_80211_VAP);
1781 }
1782
1783 /*
1784 * rt2870_reset_vap
1785 */
1786 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1787 {
1788 struct rt2870_softc *sc;
1789 struct ieee80211com *ic;
1790 struct ifnet *ifp;
1791 struct rt2870_softc_vap *rvap;
1792 int error;
1793
1794 ic = vap->iv_ic;
1795 ifp = ic->ic_ifp;
1796 sc = ifp->if_softc;
1797 rvap = (struct rt2870_softc_vap *) vap;
1798
1799 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1800 "%s: VAP reset: cmd=%lu\n",
1801 device_get_nameunit(sc->dev), cmd);
1802
1803 error = 0;
1804
1805 RT2870_SOFTC_LOCK(sc);
1806
1807 switch (cmd)
1808 {
1809 case IEEE80211_IOC_RTSTHRESHOLD:
1810 rt2870_asic_update_rtsthreshold(sc);
1811 break;
1812
1813 case IEEE80211_IOC_PROTMODE:
1814 case IEEE80211_IOC_HTPROTMODE:
1815 rt2870_asic_updateprot(sc);
1816 break;
1817
1818 case IEEE80211_IOC_TXPOWER:
1819 rt2870_asic_update_txpower(sc);
1820 break;
1821
1822 case IEEE80211_IOC_SHORTGI:
1823 case IEEE80211_IOC_AMPDU_DENSITY:
1824 break;
1825
1826 default:
1827 error = ENETRESET;
1828 break;
1829 }
1830
1831 RT2870_SOFTC_UNLOCK(sc);
1832
1833 return error;
1834 }
1835
1836 /*
1837 * rt2870_vap_newstate
1838 */
1839 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1840 enum ieee80211_state nstate, int arg)
1841 {
1842 struct rt2870_softc *sc;
1843 struct ieee80211com *ic;
1844 struct ifnet *ifp;
1845 struct rt2870_softc_vap *rvap;
1846 struct ieee80211_node *ni;
1847 int error;
1848
1849 ic = vap->iv_ic;
1850 ifp = ic->ic_ifp;
1851 sc = ifp->if_softc;
1852 rvap = (struct rt2870_softc_vap *) vap;
1853
1854 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1855 "%s: VAP newstate: %s -> %s\n",
1856 device_get_nameunit(sc->dev),
1857 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1858
1859 error = rvap->newstate(vap, nstate, arg);
1860 if (error != 0)
1861 return error;
1862
1863 IEEE80211_UNLOCK(ic);
1864
1865 RT2870_SOFTC_LOCK(sc);
1866
1867 /* turn link LED off */
1868
1869 if (nstate != IEEE80211_S_RUN)
1870 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1871
1872 switch (nstate)
1873 {
1874 case IEEE80211_S_INIT:
1875 rt2870_asic_disable_tsf_sync(sc);
1876 break;
1877
1878 case IEEE80211_S_RUN:
1879 ni = vap->iv_bss;
1880
1881 rt2870_rf_set_chan(sc, ni->ni_chan);
1882
1883 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1884 {
1885 rt2870_asic_enable_mrr(sc);
1886 rt2870_asic_set_txpreamble(sc);
1887 rt2870_asic_set_basicrates(sc);
1888 rt2870_asic_update_txpower(sc);
1889 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1890 }
1891
1892 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1893 vap->iv_opmode == IEEE80211_M_IBSS ||
1894 vap->iv_opmode == IEEE80211_M_MBSS)
1895 {
1896 error = rt2870_asic_update_beacon(sc, vap);
1897 if (error != 0)
1898 break;
1899 }
1900
1901 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1902 rt2870_asic_enable_tsf_sync(sc);
1903
1904 /* turn link LED on */
1905
1906 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1907 {
1908 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1909 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1910 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1911 }
1912 break;
1913
1914 default:
1915 break;
1916 }
1917
1918 RT2870_SOFTC_UNLOCK(sc);
1919
1920 IEEE80211_LOCK(ic);
1921
1922 return error;
1923 }
1924
1925 /*
1926 * rt2870_vap_key_update_begin
1927 */
1928 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1929 {
1930 struct rt2870_softc *sc;
1931 struct ieee80211com *ic;
1932 struct ifnet *ifp;
1933
1934 ic = vap->iv_ic;
1935 ifp = ic->ic_ifp;
1936 sc = ifp->if_softc;
1937
1938 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1939 "%s: VAP key update begin\n",
1940 device_get_nameunit(sc->dev));
1941
1942 taskqueue_block(sc->taskqueue);
1943
1944 IF_LOCK(&ifp->if_snd);
1945 }
1946
1947 /*
1948 * rt2870_vap_key_update_end
1949 */
1950 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1951 {
1952 struct rt2870_softc *sc;
1953 struct ieee80211com *ic;
1954 struct ifnet *ifp;
1955
1956 ic = vap->iv_ic;
1957 ifp = ic->ic_ifp;
1958 sc = ifp->if_softc;
1959
1960 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1961 "%s: VAP key update end\n",
1962 device_get_nameunit(sc->dev));
1963
1964 IF_UNLOCK(&ifp->if_snd);
1965
1966 taskqueue_unblock(sc->taskqueue);
1967 }
1968
1969 /*
1970 * rt2870_vap_key_set
1971 */
1972 static int rt2870_vap_key_set(struct ieee80211vap *vap,
1973 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
1974 {
1975 struct rt2870_softc *sc;
1976 struct ieee80211com *ic;
1977 struct ifnet *ifp;
1978 struct ieee80211_node *ni;
1979 uint16_t associd, key_base, keymode_base;
1980 uint8_t mode, vapid, wcid, iv[8];
1981 uint32_t tmp;
1982
1983 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
1984 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
1985 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
1986 return EINVAL;
1987
1988 ic = vap->iv_ic;
1989 ifp = ic->ic_ifp;
1990 sc = ifp->if_softc;
1991
1992 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
1993 ni = vap->iv_bss;
1994 else
1995 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
1996
1997 associd = (ni != NULL) ? ni->ni_associd : 0;
1998
1999 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2000 ieee80211_free_node(ni);
2001
2002 switch (k->wk_cipher->ic_cipher)
2003 {
2004 case IEEE80211_CIPHER_WEP:
2005 if(k->wk_keylen < 8)
2006 mode = RT2870_REG_CIPHER_MODE_WEP40;
2007 else
2008 mode = RT2870_REG_CIPHER_MODE_WEP104;
2009 break;
2010
2011 case IEEE80211_CIPHER_TKIP:
2012 mode = RT2870_REG_CIPHER_MODE_TKIP;
2013 break;
2014
2015 case IEEE80211_CIPHER_AES_CCM:
2016 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2017 break;
2018
2019 default:
2020 return EINVAL;
2021 }
2022
2023 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2024 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2025 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2026 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2027
2028 RT2870_SOFTC_LOCK(sc);
2029
2030 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2031 {
2032 /* install pairwise key */
2033
2034 vapid = 0;
2035 wcid = RT2870_AID2WCID(associd);
2036 key_base = RT2870_REG_PKEY(wcid);
2037
2038 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2039 {
2040 memset(iv, 0, 8);
2041
2042 iv[3] = (k->wk_keyix << 6);
2043 }
2044 else
2045 {
2046 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2047 {
2048 iv[0] = (k->wk_keytsc >> 8);
2049 iv[1] = ((iv[0] | 0x20) & 0x7f);
2050 iv[2] = k->wk_keytsc;
2051 }
2052 else
2053 {
2054 /* AES CCMP */
2055
2056 iv[0] = k->wk_keytsc;
2057 iv[1] = k->wk_keytsc >> 8;
2058 iv[2] = 0;
2059 }
2060
2061 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2062 iv[4] = (k->wk_keytsc >> 16);
2063 iv[5] = (k->wk_keytsc >> 24);
2064 iv[6] = (k->wk_keytsc >> 32);
2065 iv[7] = (k->wk_keytsc >> 40);
2066
2067 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2068 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2069 device_get_nameunit(sc->dev),
2070 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2071 }
2072
2073 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2074
2075 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2076 {
2077 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2078
2079 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2080 {
2081 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2082 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2083 }
2084 else
2085 {
2086 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2087 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2088 }
2089 }
2090 else
2091 {
2092 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2093 }
2094
2095 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2096 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2097
2098 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2099 }
2100
2101 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2102 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2103 {
2104 /* install group key */
2105
2106 vapid = 0;
2107 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2108 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2109
2110 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2111 {
2112 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2113
2114 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2115 {
2116 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2117 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2118 }
2119 else
2120 {
2121 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2122 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2123 }
2124 }
2125 else
2126 {
2127 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2128 }
2129
2130 tmp = rt2870_io_mac_read(sc, keymode_base);
2131
2132 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2133 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2134
2135 rt2870_io_mac_write(sc, keymode_base, tmp);
2136 }
2137
2138 RT2870_SOFTC_UNLOCK(sc);
2139
2140 return 1;
2141 }
2142
2143 /*
2144 * rt2870_vap_key_delete
2145 */
2146 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2147 const struct ieee80211_key *k)
2148 {
2149 struct rt2870_softc *sc;
2150 struct ieee80211com *ic;
2151 struct ifnet *ifp;
2152 struct ieee80211_node *ni;
2153 struct rt2870_cmd_argv_keydelete cmd_argv;
2154 uint16_t associd;
2155
2156 ic = vap->iv_ic;
2157 ifp = ic->ic_ifp;
2158 sc = ifp->if_softc;
2159 ni = vap->iv_bss;
2160 associd = (ni != NULL) ? ni->ni_associd : 0;
2161
2162 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2163 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2164 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2165 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2166
2167 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2168 cmd_argv.associd = associd;
2169
2170 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2171 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2172
2173 return 1;
2174 }
2175
2176 /*
2177 * rt2870_vap_update_beacon
2178 */
2179 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2180 {
2181 struct rt2870_softc *sc;
2182 struct ieee80211com *ic;
2183 struct ifnet *ifp;
2184
2185 ic = vap->iv_ic;
2186 ifp = ic->ic_ifp;
2187 sc = ifp->if_softc;
2188
2189 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2190 "%s: VAP update beacon\n",
2191 device_get_nameunit(sc->dev));
2192
2193 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2194 }
2195
2196 /*
2197 * rt2870_node_alloc
2198 */
2199 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2200 const uint8_t mac[IEEE80211_ADDR_LEN])
2201 {
2202 return malloc(sizeof(struct rt2870_softc_node),
2203 M_80211_NODE, M_NOWAIT | M_ZERO);
2204 }
2205
2206 /*
2207 * rt2870_setregdomain
2208 */
2209 static int rt2870_setregdomain(struct ieee80211com *ic,
2210 struct ieee80211_regdomain *reg,
2211 int nchans, struct ieee80211_channel chans[])
2212 {
2213 struct rt2870_softc *sc;
2214 struct ifnet *ifp;
2215
2216 ifp = ic->ic_ifp;
2217 sc = ifp->if_softc;
2218
2219 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2220 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2221 device_get_nameunit(sc->dev),
2222 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2223
2224 return 0;
2225 }
2226
2227 /*
2228 * rt2870_getradiocaps
2229 */
2230 static void rt2870_getradiocaps(struct ieee80211com *ic,
2231 int maxchans, int *nchans, struct ieee80211_channel chans[])
2232 {
2233 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2234
2235 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2236 }
2237
2238 /*
2239 * rt2870_scan_start
2240 */
2241 static void rt2870_scan_start(struct ieee80211com *ic)
2242 {
2243 struct rt2870_softc *sc;
2244 struct ifnet *ifp;
2245
2246 ifp = ic->ic_ifp;
2247 sc = ifp->if_softc;
2248
2249 RT2870_SOFTC_LOCK(sc);
2250
2251 rt2870_asic_disable_tsf_sync(sc);
2252
2253 RT2870_SOFTC_UNLOCK(sc);
2254 }
2255
2256 /*
2257 * rt2870_scan_end
2258 */
2259 static void rt2870_scan_end(struct ieee80211com *ic)
2260 {
2261 struct rt2870_softc *sc;
2262 struct ifnet *ifp;
2263
2264 ifp = ic->ic_ifp;
2265 sc = ifp->if_softc;
2266
2267 RT2870_SOFTC_LOCK(sc);
2268
2269 rt2870_asic_enable_tsf_sync(sc);
2270
2271 RT2870_SOFTC_UNLOCK(sc);
2272 }
2273
2274 /*
2275 * rt2870_set_channel
2276 */
2277 static void rt2870_set_channel(struct ieee80211com *ic)
2278 {
2279 struct rt2870_softc *sc;
2280 struct ifnet *ifp;
2281
2282 ifp = ic->ic_ifp;
2283 sc = ifp->if_softc;
2284
2285 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2286 "%s: set channel: channel=%u, HT%s%s\n",
2287 device_get_nameunit(sc->dev),
2288 ieee80211_chan2ieee(ic, ic->ic_curchan),
2289 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2290 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2291 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2292 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2293
2294 RT2870_SOFTC_LOCK(sc);
2295
2296 rt2870_rf_set_chan(sc, ic->ic_curchan);
2297
2298 RT2870_SOFTC_UNLOCK(sc);
2299 }
2300
2301 /*
2302 * rt2870_newassoc
2303 */
2304 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2305 {
2306 struct rt2870_softc *sc;
2307 struct ieee80211com *ic;
2308 struct ifnet *ifp;
2309 struct ieee80211vap *vap;
2310 struct rt2870_softc_vap *rvap;
2311 uint16_t associd;
2312 uint8_t wcid;
2313
2314 vap = ni->ni_vap;
2315 ic = vap->iv_ic;
2316 ifp = ic->ic_ifp;
2317 sc = ifp->if_softc;
2318 rvap = (struct rt2870_softc_vap *) vap;
2319
2320 associd = (ni != NULL) ? ni->ni_associd : 0;
2321 wcid = RT2870_AID2WCID(associd);
2322
2323 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2324 "%s: new association: wcid=0x%02x, "
2325 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2326 device_get_nameunit(sc->dev), wcid,
2327 ether_sprintf(ni->ni_macaddr),
2328 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2329 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2330 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2331
2332 RT2870_SOFTC_LOCK(sc);
2333
2334 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2335 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2336
2337 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2338
2339 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2340 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2341 device_get_nameunit(sc->dev),
2342 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2343 ni->ni_associd, ni->ni_txrate,
2344 (ni->ni_flags & IEEE80211_NODE_HT) ?
2345 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2346 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2347
2348 rt2870_asic_updateprot(sc);
2349 rt2870_asic_updateslot(sc);
2350 rt2870_asic_set_txpreamble(sc);
2351
2352 RT2870_SOFTC_UNLOCK(sc);
2353 }
2354
2355 /*
2356 * rt2870_updateslot
2357 */
2358 static void rt2870_updateslot(struct ifnet *ifp)
2359 {
2360 struct rt2870_softc *sc;
2361
2362 sc = ifp->if_softc;
2363
2364 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2365 }
2366
2367 /*
2368 * rt2870_update_promisc
2369 */
2370 static void rt2870_update_promisc(struct ifnet *ifp)
2371 {
2372 struct rt2870_softc *sc;
2373
2374 sc = ifp->if_softc;
2375
2376 RT2870_SOFTC_LOCK(sc);
2377
2378 rt2870_asic_update_promisc(sc);
2379
2380 RT2870_SOFTC_UNLOCK(sc);
2381 }
2382
2383 /*
2384 * rt2870_update_mcast
2385 */
2386 static void rt2870_update_mcast(struct ifnet *ifp)
2387 {
2388 struct rt2870_softc *sc;
2389
2390 sc = ifp->if_softc;
2391 }
2392
2393 /*
2394 * rt2870_wme_update
2395 */
2396 static int rt2870_wme_update(struct ieee80211com *ic)
2397 {
2398 struct rt2870_softc *sc;
2399 struct ifnet *ifp;
2400
2401 ifp = ic->ic_ifp;
2402 sc = ifp->if_softc;
2403
2404 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2405
2406 return 0;
2407 }
2408
2409 /*
2410 * rt2870_raw_xmit
2411 */
2412 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2413 const struct ieee80211_bpf_params *params)
2414 {
2415 struct rt2870_softc *sc;
2416 struct ieee80211com *ic;
2417 struct ifnet *ifp;
2418
2419 ic = ni->ni_ic;
2420 ifp = ic->ic_ifp;
2421 sc = ifp->if_softc;
2422
2423 RT2870_SOFTC_LOCK(sc);
2424
2425 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2426 {
2427 RT2870_SOFTC_UNLOCK(sc);
2428
2429 m_freem(m);
2430 ieee80211_free_node(ni);
2431
2432 return ENETDOWN;
2433 }
2434
2435 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2436 {
2437 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2438 "%s: raw xmit: Tx ring with qid=%d is full\n",
2439 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2440
2441 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2442
2443 RT2870_SOFTC_UNLOCK(sc);
2444
2445 m_freem(m);
2446 ieee80211_free_node(ni);
2447
2448 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2449
2450 return ENOBUFS;
2451 }
2452
2453 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2454 {
2455 ifp->if_oerrors++;
2456
2457 RT2870_SOFTC_UNLOCK(sc);
2458
2459 ieee80211_free_node(ni);
2460
2461 return EIO;
2462 }
2463
2464 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2465
2466 RT2870_SOFTC_UNLOCK(sc);
2467
2468 return 0;
2469 }
2470
2471 /*
2472 * rt2870_recv_action
2473 */
2474 static int rt2870_recv_action(struct ieee80211_node *ni,
2475 const struct ieee80211_frame *wh,
2476 const uint8_t *frm, const uint8_t *efrm)
2477 {
2478 struct rt2870_softc *sc;
2479 struct ieee80211com *ic;
2480 struct ifnet *ifp;
2481 const struct ieee80211_action *ia;
2482 uint16_t associd, status, baparamset;
2483 uint8_t wcid;
2484 int ret, tid, bufsize;
2485 uint32_t tmp;
2486
2487 ic = ni->ni_ic;
2488 ifp = ic->ic_ifp;
2489 sc = ifp->if_softc;
2490
2491 ia = (const struct ieee80211_action *) frm;
2492
2493 ret = sc->recv_action(ni, wh, frm, efrm);
2494
2495 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2496 return ret;
2497
2498 associd = (ni != NULL) ? ni->ni_associd : 0;
2499 wcid = RT2870_AID2WCID(associd);
2500
2501 switch (ia->ia_action)
2502 {
2503 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2504 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2505 baparamset = LE_READ_2(frm + 3);
2506 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2507 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2508
2509 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2510 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2511 device_get_nameunit(sc->dev), associd, tid, bufsize);
2512
2513 RT2870_SOFTC_LOCK(sc);
2514
2515 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2516
2517 tmp |= (0x10000 << tid);
2518
2519 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2520
2521 RT2870_SOFTC_UNLOCK(sc);
2522 break;
2523
2524 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2525 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2526 status = LE_READ_2(frm + 3);
2527 baparamset = LE_READ_2(frm + 4);
2528 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2529 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2530
2531 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2532 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2533 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2534
2535 if (status == IEEE80211_STATUS_SUCCESS)
2536 {
2537 sc->tx_ampdu_sessions++;
2538
2539 RT2870_SOFTC_LOCK(sc);
2540
2541 rt2870_asic_updateprot(sc);
2542
2543 RT2870_SOFTC_UNLOCK(sc);
2544 }
2545 break;
2546
2547 /* IEEE80211_ACTION_BA_DELBA */
2548 case IEEE80211_ACTION_BA_DELBA:
2549 baparamset = LE_READ_2(frm + 2);
2550 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2551
2552 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2553 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2554 device_get_nameunit(sc->dev), associd, tid);
2555
2556 RT2870_SOFTC_LOCK(sc);
2557
2558 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2559
2560 tmp &= ~(0x10000 << tid);
2561
2562 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2563
2564 RT2870_SOFTC_UNLOCK(sc);
2565 break;
2566 }
2567
2568 return ret;
2569 }
2570
2571 /*
2572 * rt2870_send_action
2573 */
2574 static int rt2870_send_action(struct ieee80211_node *ni,
2575 int cat, int act, void *sa)
2576 {
2577 struct rt2870_softc *sc;
2578 struct ieee80211com *ic;
2579 struct ifnet *ifp;
2580 uint16_t associd, *args, baparamset;
2581 uint8_t wcid;
2582 int ret, tid;
2583 uint32_t tmp;
2584
2585 ic = ni->ni_ic;
2586 ifp = ic->ic_ifp;
2587 sc = ifp->if_softc;
2588
2589 ret = sc->send_action(ni, cat, act, sa);
2590
2591 if (cat != IEEE80211_ACTION_CAT_BA)
2592 return ret;
2593
2594 associd = (ni != NULL) ? ni->ni_associd : 0;
2595 wcid = RT2870_AID2WCID(associd);
2596 args = sa;
2597
2598 switch (act)
2599 {
2600 /* IEEE80211_ACTION_BA_DELBA */
2601 case IEEE80211_ACTION_BA_DELBA:
2602 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2603
2604 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2605
2606 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2607 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2608 device_get_nameunit(sc->dev), associd, tid);
2609
2610 RT2870_SOFTC_LOCK(sc);
2611
2612 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2613 {
2614 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2615
2616 tmp &= ~(0x10000 << tid);
2617
2618 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2619 }
2620 else
2621 {
2622 sc->tx_ampdu_sessions--;
2623
2624 rt2870_asic_updateprot(sc);
2625 }
2626
2627 RT2870_SOFTC_UNLOCK(sc);
2628 break;
2629 }
2630
2631 return ret;
2632 }
2633
2634 /*
2635 * rt2870_amrr_update_iter_func
2636 */
2637 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2638 {
2639 struct rt2870_softc *sc;
2640 struct ieee80211com *ic;
2641 struct ifnet *ifp;
2642 struct ieee80211vap *vap;
2643 struct rt2870_softc_vap *rvap;
2644 uint8_t wcid;
2645
2646 vap = arg;
2647 ic = vap->iv_ic;
2648 ifp = ic->ic_ifp;
2649 sc = ifp->if_softc;
2650 rvap = (struct rt2870_softc_vap *) vap;
2651
2652 /* only associated stations */
2653
2654 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2655 {
2656 wcid = RT2870_AID2WCID(ni->ni_associd);
2657
2658 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2659 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2660 device_get_nameunit(sc->dev),
2661 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2662
2663 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2664
2665 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2666 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2667 device_get_nameunit(sc->dev),
2668 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2669 ni->ni_associd, ni->ni_txrate,
2670 (ni->ni_flags & IEEE80211_NODE_HT) ?
2671 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2672 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2673 }
2674 }
2675
2676 /*
2677 * rt2870_periodic
2678 */
2679 static void rt2870_periodic(void *arg)
2680 {
2681 struct rt2870_softc *sc;
2682 struct ifnet *ifp;
2683
2684 sc = arg;
2685 ifp = sc->ifp;
2686
2687 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2688 "%s: periodic\n",
2689 device_get_nameunit(sc->dev));
2690
2691 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2692 return;
2693
2694 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2695 }
2696
2697 /*
2698 * rt2870_tx_watchdog
2699 */
2700 static void rt2870_tx_watchdog(void *arg)
2701 {
2702 struct rt2870_softc *sc;
2703 struct ifnet *ifp;
2704
2705 sc = arg;
2706 ifp = sc->ifp;
2707
2708 if (sc->tx_timer == 0)
2709 return;
2710
2711 if (--sc->tx_timer == 0)
2712 {
2713 printf("%s: Tx watchdog timeout: resetting\n",
2714 device_get_nameunit(sc->dev));
2715
2716 rt2870_stop_locked(sc);
2717 rt2870_init_locked(sc);
2718
2719 ifp->if_oerrors++;
2720
2721 sc->tx_watchdog_timeouts++;
2722 }
2723
2724 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2725 }
2726
2727 /*
2728 * rt2870_do_async
2729 */
2730 static int rt2870_do_async(struct rt2870_softc *sc,
2731 void (*cb)(struct rt2870_softc *sc, void *arg),
2732 void *arg, int len)
2733 {
2734 struct ifnet *ifp;
2735 struct rt2870_softc_cmd_ring *ring;
2736 struct rt2870_softc_cmd *cmd;
2737 int run_cmd_task;
2738
2739 ifp = sc->ifp;
2740 ring = &sc->cmd_ring;
2741
2742 RT2870_SOFTC_LOCK(sc);
2743
2744 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2745 {
2746 RT2870_SOFTC_UNLOCK(sc);
2747 return -1;
2748 }
2749
2750 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2751 {
2752 RT2870_SOFTC_UNLOCK(sc);
2753 return -1;
2754 }
2755
2756 cmd = STAILQ_FIRST(&ring->inactive);
2757 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2758
2759 cmd->cb = cb;
2760
2761 if(arg != NULL)
2762 memcpy(cmd->data, arg, len);
2763
2764 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2765 ring->queued++;
2766
2767 run_cmd_task = (ring->queued == 1);
2768
2769 RT2870_SOFTC_UNLOCK(sc);
2770
2771 if (run_cmd_task)
2772 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2773
2774 return 0;
2775 }
2776
2777 /*
2778 * rt2870_updateslot_cb
2779 */
2780 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2781 {
2782 RT2870_SOFTC_LOCK(sc);
2783
2784 rt2870_asic_updateslot(sc);
2785
2786 RT2870_SOFTC_UNLOCK(sc);
2787 }
2788
2789 /*
2790 * rt2870_wme_update_cb
2791 */
2792 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2793 {
2794 RT2870_SOFTC_LOCK(sc);
2795
2796 rt2870_asic_wme_update(sc);
2797
2798 RT2870_SOFTC_UNLOCK(sc);
2799 }
2800
2801 /*
2802 * rt2870_vap_key_delete_cb
2803 */
2804 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2805 {
2806 struct ieee80211_key *k;
2807 struct rt2870_cmd_argv_keydelete *cmd_argv;
2808 uint16_t associd;
2809 uint8_t vapid, wcid;
2810 uint32_t tmp;
2811
2812 cmd_argv = arg;
2813 k = &cmd_argv->key;
2814 associd = cmd_argv->associd;
2815
2816 RT2870_SOFTC_LOCK(sc);
2817
2818 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2819 {
2820 /* remove pairwise key */
2821
2822 vapid = 0;
2823 wcid = RT2870_AID2WCID(associd);
2824
2825 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2826 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2827
2828 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2829 }
2830 else
2831 {
2832 /* remove group key */
2833
2834 vapid = 0;
2835
2836 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2837
2838 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2839 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2840
2841 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2842 }
2843
2844 RT2870_SOFTC_UNLOCK(sc);
2845 }
2846
2847 /*
2848 * rt2870_vap_update_beacon_cb
2849 */
2850 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2851 {
2852 struct ifnet *ifp;
2853 struct ieee80211com *ic;
2854 struct ieee80211vap *vap;
2855
2856 ifp = sc->ifp;
2857 ic = ifp->if_l2com;
2858 vap = TAILQ_FIRST(&ic->ic_vaps);
2859
2860 if (vap == NULL)
2861 return;
2862
2863 RT2870_SOFTC_LOCK(sc);
2864
2865 rt2870_asic_update_beacon(sc, vap);
2866
2867 RT2870_SOFTC_UNLOCK(sc);
2868 }
2869
2870 /*
2871 * rt2870_asic_set_bssid
2872 */
2873 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2874 const uint8_t *bssid)
2875 {
2876 uint32_t tmp;
2877
2878 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2879 "%s: set bssid: bssid=%s\n",
2880 device_get_nameunit(sc->dev),
2881 ether_sprintf(bssid));
2882
2883 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2884
2885 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2886
2887 tmp = bssid[4] | (bssid[5] << 8);
2888
2889 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2890 }
2891
2892 /*
2893 * rt2870_asic_set_macaddr
2894 */
2895 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2896 const uint8_t *addr)
2897 {
2898 uint32_t tmp;
2899
2900 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2901
2902 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2903
2904 tmp = addr[4] | (addr[5] << 8);
2905
2906 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2907 }
2908
2909 /*
2910 * rt2870_asic_enable_tsf_sync
2911 */
2912 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2913 {
2914 struct ifnet *ifp;
2915 struct ieee80211com *ic;
2916 struct ieee80211vap *vap;
2917 uint32_t tmp;
2918
2919 ifp = sc->ifp;
2920 ic = ifp->if_l2com;
2921 vap = TAILQ_FIRST(&ic->ic_vaps);
2922
2923 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2924 "%s: enabling TSF\n",
2925 device_get_nameunit(sc->dev));
2926
2927 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2928
2929 tmp &= ~0x1fffff;
2930 tmp |= vap->iv_bss->ni_intval * 16;
2931 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2932
2933 if (vap->iv_opmode == IEEE80211_M_STA)
2934 {
2935 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2936 }
2937 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2938 {
2939 tmp |= RT2870_REG_BCN_TX_ENABLE;
2940 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2941 }
2942 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2943 {
2944 tmp |= RT2870_REG_BCN_TX_ENABLE;
2945 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2946 }
2947
2948 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2949 }
2950
2951 /*
2952 * rt2870_asic_disable_tsf_sync
2953 */
2954 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2955 {
2956 uint32_t tmp;
2957
2958 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2959 "%s: disabling TSF\n",
2960 device_get_nameunit(sc->dev));
2961
2962 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2963
2964 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2965 RT2870_REG_TSF_TIMER_ENABLE |
2966 RT2870_REG_TBTT_TIMER_ENABLE);
2967
2968 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2969 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2970
2971 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2972 }
2973
2974 /*
2975 * rt2870_asic_enable_mrr
2976 */
2977 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2978 {
2979 #define CCK(mcs) (mcs)
2980 #define OFDM(mcs) ((1 << 3) | (mcs))
2981 #define HT(mcs) (mcs)
2982
2983 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2984 (OFDM(6) << 28) | /* 54 -> 48 */
2985 (OFDM(5) << 24) | /* 48 -> 36 */
2986 (OFDM(4) << 20) | /* 36 -> 24 */
2987 (OFDM(3) << 16) | /* 24 -> 18 */
2988 (OFDM(2) << 12) | /* 18 -> 12 */
2989 (OFDM(1) << 8) | /* 12 -> 9 */
2990 (OFDM(0) << 4) | /* 9 -> 6 */
2991 OFDM(0)); /* 6 -> 6 */
2992
2993 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2994 (CCK(2) << 12) | /* 11 -> 5.5 */
2995 (CCK(1) << 8) | /* 5.5 -> 2 */
2996 (CCK(0) << 4) | /* 2 -> 1 */
2997 CCK(0)); /* 1 -> 1 */
2998
2999 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3000 (HT(6) << 28) |
3001 (HT(5) << 24) |
3002 (HT(4) << 20) |
3003 (HT(3) << 16) |
3004 (HT(2) << 12) |
3005 (HT(1) << 8) |
3006 (HT(0) << 4) |
3007 HT(0));
3008
3009 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3010 (HT(14) << 28) |
3011 (HT(13) << 24) |
3012 (HT(12) << 20) |
3013 (HT(11) << 16) |
3014 (HT(10) << 12) |
3015 (HT(9) << 8) |
3016 (HT(8) << 4) |
3017 HT(8));
3018
3019 #undef HT
3020 #undef OFDM
3021 #undef CCK
3022 }
3023
3024 /*
3025 * rt2870_asic_set_txpreamble
3026 */
3027 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3028 {
3029 struct ifnet *ifp;
3030 struct ieee80211com *ic;
3031 uint32_t tmp;
3032
3033 ifp = sc->ifp;
3034 ic = ifp->if_l2com;
3035
3036 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3037 "%s: %s short Tx preamble\n",
3038 device_get_nameunit(sc->dev),
3039 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3040
3041 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3042
3043 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3044
3045 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3046 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3047
3048 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3049 }
3050
3051 /*
3052 * rt2870_asic_set_basicrates
3053 */
3054 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3055 {
3056 struct ifnet *ifp;
3057 struct ieee80211com *ic;
3058
3059 ifp = sc->ifp;
3060 ic = ifp->if_l2com;
3061
3062 if (ic->ic_curmode == IEEE80211_MODE_11B)
3063 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3064 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3065 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3066 else
3067 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3068 }
3069
3070 /*
3071 * rt2870_asic_update_rtsthreshold
3072 */
3073 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3074 {
3075 struct ifnet *ifp;
3076 struct ieee80211com *ic;
3077 struct ieee80211vap *vap;
3078 uint32_t tmp;
3079 uint16_t threshold;
3080
3081 ifp = sc->ifp;
3082 ic = ifp->if_l2com;
3083 vap = TAILQ_FIRST(&ic->ic_vaps);
3084
3085 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3086 "%s: updating RTS threshold: %d\n",
3087 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3088
3089 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3090
3091 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3092
3093 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3094 vap->iv_rtsthreshold : 0x1000;
3095
3096 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3097 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3098
3099 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3100 }
3101
3102 /*
3103 * rt2870_asic_update_txpower
3104 */
3105 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3106 {
3107 struct ifnet *ifp;
3108 struct ieee80211com *ic;
3109 uint32_t *txpow_rate;
3110 int8_t delta;
3111 uint8_t val;
3112 uint32_t tmp;
3113 int i;
3114
3115 ifp = sc->ifp;
3116 ic = ifp->if_l2com;
3117
3118 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3119 "%s: updating Tx power: %d\n",
3120 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3121
3122 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3123 {
3124 txpow_rate = sc->txpow_rate_20mhz;
3125 }
3126 else
3127 {
3128 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3129 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3130 else
3131 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3132 }
3133
3134 delta = 0;
3135
3136 val = rt2870_io_bbp_read(sc, 1);
3137 val &= 0xfc;
3138
3139 if (ic->ic_txpowlimit > 90)
3140 {
3141 /* do nothing */
3142 }
3143 else if (ic->ic_txpowlimit > 60)
3144 {
3145 delta -= 1;
3146 }
3147 else if (ic->ic_txpowlimit > 30)
3148 {
3149 delta -= 3;
3150 }
3151 else if (ic->ic_txpowlimit > 15)
3152 {
3153 val |= 0x1;
3154 }
3155 else if (ic->ic_txpowlimit > 9)
3156 {
3157 val |= 0x1;
3158 delta -= 3;
3159 }
3160 else
3161 {
3162 val |= 0x2;
3163 }
3164
3165 rt2870_io_bbp_write(sc, 1, val);
3166
3167 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3168 {
3169 if (txpow_rate[i] == 0xffffffff)
3170 continue;
3171
3172 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3173
3174 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3175 }
3176 }
3177
3178 /*
3179 * rt2870_asic_update_promisc
3180 */
3181 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3182 {
3183 struct ifnet *ifp;
3184 uint32_t tmp;
3185
3186 ifp = sc->ifp;
3187
3188 printf("%s: %s promiscuous mode\n",
3189 device_get_nameunit(sc->dev),
3190 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3191
3192 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3193
3194 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3195
3196 if (!(ifp->if_flags & IFF_PROMISC))
3197 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3198
3199 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3200 }
3201
3202 /*
3203 * rt2870_asic_updateprot
3204 */
3205 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3206 {
3207 struct ifnet *ifp;
3208 struct ieee80211com *ic;
3209 struct ieee80211vap *vap;
3210 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3211 uint8_t htopmode;
3212 enum ieee80211_protmode htprotmode;
3213
3214 ifp = sc->ifp;
3215 ic = ifp->if_l2com;
3216 vap = TAILQ_FIRST(&ic->ic_vaps);
3217
3218 /* CCK frame protection */
3219
3220 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3221 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3222
3223 /* set up protection frame phy mode and rate (MCS code) */
3224
3225 if (ic->ic_curmode == IEEE80211_MODE_11A)
3226 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3227 (0 << RT2870_REG_PROT_MCS_SHIFT);
3228 else
3229 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3230 (3 << RT2870_REG_PROT_MCS_SHIFT));
3231
3232 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3233
3234 /* OFDM frame protection */
3235
3236 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3237 RT2870_REG_TXOP_ALLOW_ALL;
3238
3239 if (ic->ic_flags & IEEE80211_F_USEPROT)
3240 {
3241 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3242 "%s: updating protection mode: b/g protection mode=%s\n",
3243 device_get_nameunit(sc->dev),
3244 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3245 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3246
3247 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3248 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3249 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3250 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3251 else
3252 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3253 }
3254 else
3255 {
3256 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3257 "%s: updating protection mode: b/g protection mode=%s\n",
3258 device_get_nameunit(sc->dev), "none");
3259
3260 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3261 }
3262
3263 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3264
3265 /* HT frame protection */
3266
3267 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3268 htopmode = vap->iv_bss->ni_htopmode;
3269 else
3270 htopmode = ic->ic_curhtprotmode;
3271
3272 htprotmode = ic->ic_htprotmode;
3273
3274 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3275
3276 if (sc->tx_ampdu_sessions > 0)
3277 {
3278 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3279 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3280 device_get_nameunit(sc->dev));
3281
3282 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3283 htprotmode = IEEE80211_PROT_RTSCTS;
3284 }
3285
3286 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3287 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3288 device_get_nameunit(sc->dev),
3289 htopmode & IEEE80211_HTINFO_OPMODE,
3290 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3291 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3292
3293 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3294 {
3295 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3296 case IEEE80211_HTINFO_OPMODE_HT20PR:
3297 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3298 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3299 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3300 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3301 (4 << RT2870_REG_PROT_MCS_SHIFT);
3302
3303 gf20_prot = mm20_prot;
3304
3305 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3306 RT2870_REG_TXOP_ALLOW_ALL |
3307 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3308 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3309
3310 if (htprotmode == IEEE80211_PROT_RTSCTS)
3311 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3312 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3313 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3314 else
3315 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3316
3317 gf40_prot = mm40_prot;
3318 break;
3319
3320 /* IEEE80211_HTINFO_OPMODE_MIXED */
3321 case IEEE80211_HTINFO_OPMODE_MIXED:
3322 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3323 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3324 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3325
3326 if (ic->ic_flags & IEEE80211_F_USEPROT)
3327 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3328 (3 << RT2870_REG_PROT_MCS_SHIFT);
3329 else
3330 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3331 (4 << RT2870_REG_PROT_MCS_SHIFT);
3332
3333 if (htprotmode == IEEE80211_PROT_RTSCTS)
3334 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3335 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3336 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3337 else
3338 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3339
3340 gf20_prot = mm20_prot;
3341
3342 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3343
3344 if (ic->ic_flags & IEEE80211_F_USEPROT)
3345 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3346 (3 << RT2870_REG_PROT_MCS_SHIFT);
3347 else
3348 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3349 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3350
3351 if (htprotmode == IEEE80211_PROT_RTSCTS)
3352 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3353 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3354 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3355 else
3356 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3357
3358 gf40_prot = mm40_prot;
3359 break;
3360
3361 /*
3362 * IEEE80211_HTINFO_OPMODE_PURE
3363 * IEEE80211_HTINFO_OPMODE_PROTOPT
3364 */
3365 case IEEE80211_HTINFO_OPMODE_PURE:
3366 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3367 default:
3368 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3369 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3370 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3371 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3372 (4 << RT2870_REG_PROT_MCS_SHIFT);
3373
3374 gf20_prot = mm20_prot;
3375
3376 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3377 RT2870_REG_TXOP_ALLOW_ALL |
3378 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3379 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3380
3381 gf40_prot = mm40_prot;
3382 break;
3383 }
3384
3385 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3386 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3387 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3388 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3389 }
3390
3391 /*
3392 * rt2870_asic_updateslot
3393 */
3394 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3395 {
3396 struct ifnet *ifp;
3397 struct ieee80211com *ic;
3398 uint32_t tmp;
3399
3400 ifp = sc->ifp;
3401 ic = ifp->if_l2com;
3402
3403 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3404 "%s: %s short slot time\n",
3405 device_get_nameunit(sc->dev),
3406 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3407
3408 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3409
3410 tmp &= ~0xff;
3411 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3412
3413 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3414 }
3415
3416 /*
3417 * rt2870_asic_wme_update
3418 */
3419 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3420 {
3421 struct ifnet *ifp;
3422 struct ieee80211com *ic;
3423 struct ieee80211_wme_state *wme;
3424 const struct wmeParams *wmep;
3425 int i;
3426
3427 ifp = sc->ifp;
3428 ic = ifp->if_l2com;
3429 wme = &ic->ic_wme;
3430 wmep = wme->wme_chanParams.cap_wmeParams;
3431
3432 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3433 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3434 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3435 device_get_nameunit(sc->dev),
3436 wmep[WME_AC_VO].wmep_aifsn,
3437 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3438 wmep[WME_AC_VO].wmep_txopLimit,
3439 wmep[WME_AC_VI].wmep_aifsn,
3440 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3441 wmep[WME_AC_VI].wmep_txopLimit,
3442 wmep[WME_AC_BK].wmep_aifsn,
3443 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3444 wmep[WME_AC_BK].wmep_txopLimit,
3445 wmep[WME_AC_BE].wmep_aifsn,
3446 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3447 wmep[WME_AC_BE].wmep_txopLimit);
3448
3449 for (i = 0; i < WME_NUM_AC; i++)
3450 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3451 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3452 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3453
3454 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3455 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3456 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3457
3458 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3459 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3460 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3461
3462 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3463 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3464 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3465
3466 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3467 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3468
3469 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3470 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3471 }
3472
3473 /*
3474 * rt2870_asic_update_beacon
3475 */
3476 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
3477 struct ieee80211vap *vap)
3478 {
3479 struct ifnet *ifp;
3480 struct ieee80211com *ic;
3481 struct rt2870_softc_vap *rvap;
3482 const struct ieee80211_txparam *tp;
3483 struct mbuf *m;
3484 struct rt2870_txwi txwi;
3485 uint8_t rate, mcs;
3486 uint32_t tmp;
3487
3488 ifp = sc->ifp;
3489 ic = ifp->if_l2com;
3490 rvap = (struct rt2870_softc_vap *) vap;
3491 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3492
3493 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3494 if (m == NULL)
3495 return ENOMEM;
3496
3497 rate = tp->mgmtrate;
3498 mcs = rt2870_rate2mcs(rate);
3499
3500 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3501
3502 txwi.wcid = 0xff;
3503 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3504 RT2870_TXWI_MPDU_LEN_SHIFT);
3505 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3506 txwi.mpdu_density_flags |=
3507 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3508 txwi.bawin_size_xflags |=
3509 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3510
3511 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3512 {
3513 txwi.phymode_ifs_stbc_shortgi =
3514 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3515
3516 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3517 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3518 }
3519 else
3520 {
3521 txwi.phymode_ifs_stbc_shortgi =
3522 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3523 }
3524
3525 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3526 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3527
3528 /* disable temporarily TSF sync */
3529
3530 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3531
3532 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3533 RT2870_REG_TSF_TIMER_ENABLE |
3534 RT2870_REG_TBTT_TIMER_ENABLE);
3535
3536 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3537
3538 /* write Tx wireless info and beacon frame to on-chip memory */
3539
3540 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3541 &txwi, sizeof(struct rt2870_txwi));
3542
3543 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3544 mtod(m, uint8_t *), m->m_pkthdr.len);
3545
3546 /* enable again TSF sync */
3547
3548 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3549
3550 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3551 RT2870_REG_TSF_TIMER_ENABLE |
3552 RT2870_REG_TBTT_TIMER_ENABLE);
3553
3554 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3555
3556 m_freem(m);
3557
3558 return 0;
3559 }
3560
3561 /*
3562 * rt2870_asic_clear_keytables
3563 */
3564 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3565 {
3566 int i;
3567
3568 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3569
3570 for (i = 0; i < 256; i++)
3571 {
3572 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3573 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3574 }
3575
3576 /* clear WCID attribute table (entries = 256, entry size = 4) */
3577
3578 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3579
3580 /* clear IV/EIV table (entries = 256, entry size = 8) */
3581
3582 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3583
3584 /* clear pairwise key table (entries = 256, entry size = 32) */
3585
3586 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3587
3588 /* clear shared key table (entries = 32, entry size = 32) */
3589
3590 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3591
3592 /* clear shared key mode (entries = 32, entry size = 2) */
3593
3594 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3595 }
3596
3597 /*
3598 * rt2870_rxrate
3599 */
3600 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3601 {
3602 uint8_t mcs, phymode;
3603 uint8_t rate;
3604
3605 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3606 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3607 RT2870_RXWI_PHYMODE_MASK;
3608
3609 rate = 2;
3610
3611 switch (phymode)
3612 {
3613 case RT2870_RXWI_PHYMODE_CCK:
3614 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3615 {
3616 case 0: rate = 2; break; /* 1 Mbps */
3617 case 1: rate = 4; break; /* 2 MBps */
3618 case 2: rate = 11; break; /* 5.5 Mbps */
3619 case 3: rate = 22; break; /* 11 Mbps */
3620 }
3621 break;
3622
3623 case RT2870_RXWI_PHYMODE_OFDM:
3624 switch (mcs)
3625 {
3626 case 0: rate = 12; break; /* 6 Mbps */
3627 case 1: rate = 18; break; /* 9 Mbps */
3628 case 2: rate = 24; break; /* 12 Mbps */
3629 case 3: rate = 36; break; /* 18 Mbps */
3630 case 4: rate = 48; break; /* 24 Mbps */
3631 case 5: rate = 72; break; /* 36 Mbps */
3632 case 6: rate = 96; break; /* 48 Mbps */
3633 case 7: rate = 108; break; /* 54 Mbps */
3634 }
3635 break;
3636
3637 case RT2870_RXWI_PHYMODE_HT_MIXED:
3638 case RT2870_RXWI_PHYMODE_HT_GF:
3639 break;
3640 }
3641
3642 return rate;
3643 }
3644
3645 /*
3646 * rt2870_maxrssi_rxpath
3647 */
3648 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3649 const struct rt2870_rxwi *rxwi)
3650 {
3651 uint8_t rxpath;
3652
3653 rxpath = 0;
3654
3655 if (sc->nrxpath > 1)
3656 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3657 rxpath = 1;
3658
3659 if (sc->nrxpath > 2)
3660 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3661 rxpath = 2;
3662
3663 return rxpath;
3664 }
3665
3666 /*
3667 * rt2870_rssi2dbm
3668 */
3669 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3670 uint8_t rssi, uint8_t rxpath)
3671 {
3672 struct ifnet *ifp;
3673 struct ieee80211com *ic;
3674 struct ieee80211_channel *c;
3675 int chan;
3676 int8_t rssi_off, lna_gain;
3677
3678 if (rssi == 0)
3679 return -99;
3680
3681 ifp = sc->ifp;
3682 ic = ifp->if_l2com;
3683 c = ic->ic_curchan;
3684 chan = ieee80211_chan2ieee(ic, c);
3685
3686 if (IEEE80211_IS_CHAN_5GHZ(c))
3687 {
3688 rssi_off = sc->rssi_off_5ghz[rxpath];
3689
3690 if (chan <= 64)
3691 lna_gain = sc->lna_gain[1];
3692 else if (chan <= 128)
3693 lna_gain = sc->lna_gain[2];
3694 else
3695 lna_gain = sc->lna_gain[3];
3696 }
3697 else
3698 {
3699 rssi_off = sc->rssi_off_2ghz[rxpath];
3700 lna_gain = sc->lna_gain[0];
3701 }
3702
3703 return (-12 - rssi_off - lna_gain - rssi);
3704 }
3705
3706 /*
3707 * rt2870_rate2mcs
3708 */
3709 static uint8_t rt2870_rate2mcs(uint8_t rate)
3710 {
3711 switch (rate)
3712 {
3713 /* CCK rates */
3714 case 2: return 0;
3715 case 4: return 1;
3716 case 11: return 2;
3717 case 22: return 3;
3718
3719 /* OFDM rates */
3720 case 12: return 0;
3721 case 18: return 1;
3722 case 24: return 2;
3723 case 36: return 3;
3724 case 48: return 4;
3725 case 72: return 5;
3726 case 96: return 6;
3727 case 108: return 7;
3728 }
3729
3730 return 0;
3731 }
3732
3733 /*
3734 * rt2870_rx_frame
3735 */
3736 static void rt2870_rx_frame(struct rt2870_softc *sc,
3737 uint8_t *buf, uint32_t dmalen)
3738 {
3739 struct ifnet *ifp;
3740 struct ieee80211com *ic;
3741 struct ieee80211_frame *wh;
3742 struct ieee80211_node *ni;
3743 struct rt2870_softc_rx_radiotap_header *tap;
3744 struct rt2870_rxwi *rxwi;
3745 struct rt2870_rxinfo *rxinfo;
3746 struct mbuf *m;
3747 uint32_t rxinfo_flags;
3748 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3749 int8_t rssi_dbm;
3750 int len, ampdu, amsdu, rssi_dbm_rel;
3751
3752 ifp = sc->ifp;
3753 ic = ifp->if_l2com;
3754
3755 /* get Rx wireless info */
3756
3757 rxwi = (struct rt2870_rxwi *) buf;
3758 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3759 RT2870_RXWI_SIZE_MASK;
3760
3761 if (len > dmalen)
3762 {
3763 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3764 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3765 device_get_nameunit(sc->dev), dmalen, len);
3766 return;
3767 }
3768
3769 /* get Rx info */
3770
3771 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3772 rxinfo_flags = le32toh(rxinfo->flags);
3773
3774 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3775 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3776 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3777
3778 /* check for crc errors */
3779
3780 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3781 {
3782 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3783 "%s: rxinfo: crc error\n",
3784 device_get_nameunit(sc->dev));
3785
3786 ifp->if_ierrors++;
3787
3788 if (!(ifp->if_flags & IFF_PROMISC))
3789 return;
3790 }
3791
3792 wh = (struct ieee80211_frame *) (rxwi + 1);
3793
3794 /* check for L2 padding between IEEE 802.11 frame header and body */
3795
3796 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3797 {
3798 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3799 "%s: L2 padding: DMA len=%d, len=%d\n",
3800 device_get_nameunit(sc->dev), dmalen, len);
3801
3802 len += 2;
3803 }
3804
3805 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3806 if (m == NULL)
3807 {
3808 sc->rx_mbuf_alloc_errors++;
3809 ifp->if_ierrors++;
3810 return;
3811 }
3812
3813 m->m_pkthdr.rcvif = ifp;
3814 m->m_pkthdr.len = m->m_len = len;
3815
3816 m_copyback(m, 0, len, (caddr_t) wh);
3817
3818 wh = mtod(m, struct ieee80211_frame *);
3819
3820 /* check for cipher errors */
3821
3822 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3823 {
3824 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3825 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3826 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3827 {
3828 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3829 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3830
3831 m->m_flags |= M_WEP;
3832 }
3833 else
3834 {
3835 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3836 "%s: rxinfo: cipher error=0x%02x\n",
3837 device_get_nameunit(sc->dev), cipher_err);
3838
3839 ifp->if_ierrors++;
3840
3841 if (!(ifp->if_flags & IFF_PROMISC))
3842 {
3843 m_free(m);
3844 return;
3845 }
3846 }
3847 }
3848 else
3849 {
3850 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3851 {
3852 ifp->if_ierrors++;
3853
3854 if (!(ifp->if_flags & IFF_PROMISC))
3855 {
3856 m_free(m);
3857 return;
3858 }
3859 }
3860 }
3861
3862 /* check for A-MPDU */
3863
3864 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3865 {
3866 m->m_flags |= M_AMPDU;
3867
3868 sc->rx_ampdu++;
3869
3870 ampdu = 1;
3871 }
3872 else
3873 {
3874 ampdu = 0;
3875 }
3876
3877 /* check for A-MSDU */
3878
3879 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3880 {
3881 sc->rx_amsdu++;
3882
3883 amsdu = 1;
3884 }
3885 else
3886 {
3887 amsdu = 0;
3888 }
3889
3890 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3891 rssi = rxwi->rssi[ant];
3892 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3893 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3894 RT2870_RXWI_PHYMODE_MASK);
3895 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3896 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3897 RT2870_RXWI_SHORTGI_MASK);
3898 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3899
3900 if (ieee80211_radiotap_active(ic))
3901 {
3902 tap = &sc->rxtap;
3903
3904 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
3905 tap->dbm_antsignal = rssi_dbm;
3906 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3907 tap->antenna = ant;
3908 tap->antsignal = rssi;
3909 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3910 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3911 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3912 tap->chan_maxpow = 0;
3913
3914 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3915 tap->rate = rt2870_rxrate(rxwi);
3916 else
3917 tap->rate = mcs | IEEE80211_RATE_MCS;
3918
3919 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3920 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3921
3922 if (shortgi)
3923 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3924 }
3925
3926 /*
3927 * net80211 assumes that RSSI data are in the range [-127..127] and
3928 * in .5 dBm units relative to the current noise floor
3929 */
3930
3931 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
3932 if (rssi_dbm_rel > 127)
3933 rssi_dbm_rel = 127;
3934
3935 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3936 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3937 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
3938 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
3939 device_get_nameunit(sc->dev),
3940 len, phymode, bw, shortgi, mcs,
3941 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3942 rxwi->snr[0], rxwi->snr[1],
3943 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
3944
3945 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3946 if (ni != NULL)
3947 {
3948 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
3949 ieee80211_free_node(ni);
3950 }
3951 else
3952 {
3953 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
3954 }
3955 }
3956
3957 /*
3958 * rt2870_tx_mgmt
3959 */
3960 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
3961 struct mbuf *m, struct ieee80211_node *ni, int qid)
3962 {
3963 struct ifnet *ifp;
3964 struct ieee80211com *ic;
3965 struct ieee80211vap *vap;
3966 const struct ieee80211_txparam *tp;
3967 struct rt2870_softc_node *rni;
3968 struct rt2870_softc_tx_ring *ring;
3969 struct rt2870_softc_tx_data *data;
3970 struct rt2870_txinfo *txinfo;
3971 struct rt2870_txwi *txwi;
3972 struct ieee80211_frame *wh;
3973 struct rt2870_softc_tx_radiotap_header *tap;
3974 u_int hdrsize, hdrspace;
3975 uint8_t rate, stbc, shortgi, mcs, pid;
3976 uint16_t len, dmalen, mpdu_len, dur;
3977
3978 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
3979 ("%s: Tx MGMT: invalid qid=%d\n",
3980 device_get_nameunit(sc->dev), qid));
3981
3982 ifp = sc->ifp;
3983 ic = ifp->if_l2com;
3984 vap = ni->ni_vap;
3985 rni = (struct rt2870_softc_node *) ni;
3986 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
3987
3988 ring = &sc->tx_ring[qid];
3989 data = STAILQ_FIRST(&ring->inactive);
3990 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3991 txinfo = (struct rt2870_txinfo *) data->buf;
3992 txwi = (struct rt2870_txwi *) (txinfo + 1);
3993
3994 wh = mtod(m, struct ieee80211_frame *);
3995
3996 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3997
3998 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
3999
4000 /* align end on a 4-bytes boundary */
4001
4002 dmalen = (len + 3) & ~3;
4003
4004 /* fill Tx info */
4005
4006 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4007
4008 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4009
4010 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4011
4012 dmalen += 4;
4013
4014 memset((caddr_t) txinfo + len, 0, dmalen - len);
4015
4016 /* fill Tx wireless info */
4017
4018 if (ni->ni_flags & IEEE80211_NODE_HT)
4019 mcs = rate;
4020 else
4021 mcs = rt2870_rate2mcs(rate);
4022
4023 pid = mcs;
4024
4025 /* calculate MPDU length without padding */
4026
4027 hdrsize = ieee80211_hdrsize(wh);
4028 hdrspace = ieee80211_hdrspace(ic, wh);
4029 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4030
4031 memset(txwi, 0, sizeof(struct rt2870_txwi));
4032
4033 /* management frames do not need encryption */
4034
4035 txwi->wcid = 0xff;
4036
4037 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4038 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4039 RT2870_TXWI_MPDU_LEN_SHIFT);
4040
4041 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4042
4043 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4044 (ni->ni_flags & IEEE80211_NODE_HT);
4045
4046 txwi->phymode_ifs_stbc_shortgi |=
4047 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4048 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4049
4050 txwi->phymode_ifs_stbc_shortgi |=
4051 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4052
4053 if (ni->ni_flags & IEEE80211_NODE_HT)
4054 {
4055 txwi->phymode_ifs_stbc_shortgi |=
4056 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4057 }
4058 else
4059 {
4060 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4061 {
4062 txwi->phymode_ifs_stbc_shortgi |=
4063 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4064
4065 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4066 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4067 }
4068 else
4069 {
4070 txwi->phymode_ifs_stbc_shortgi |=
4071 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4072 }
4073 }
4074
4075 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4076 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4077
4078 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4079
4080 /* skip ACKs for multicast frames and probe responses */
4081
4082 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4083 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4084 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
4085 {
4086 txwi->bawin_size_xflags |=
4087 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4088
4089 if (ni->ni_flags & IEEE80211_NODE_HT)
4090 {
4091 /* preamble + plcp + signal extension */
4092
4093 dur = 16 + 4 + 6;
4094 }
4095 else
4096 {
4097 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4098 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4099 }
4100
4101 *(uint16_t *) wh->i_dur = htole16(dur);
4102 }
4103
4104 /* ask MAC to insert timestamp into probe responses */
4105
4106 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4107 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4108 txwi->mpdu_density_flags |=
4109 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4110
4111 if (ieee80211_radiotap_active_vap(vap))
4112 {
4113 tap = &sc->txtap;
4114
4115 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4116 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4117 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4118 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4119 tap->chan_maxpow = 0;
4120
4121 if (ni->ni_flags & IEEE80211_NODE_HT)
4122 tap->rate = mcs | IEEE80211_RATE_MCS;
4123 else
4124 tap->rate = rate;
4125
4126 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4127 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4128
4129 if (shortgi)
4130 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4131
4132 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4133 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4134
4135 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4136 {
4137 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4138
4139 ieee80211_radiotap_tx(vap, m);
4140
4141 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4142 }
4143 else
4144 {
4145 ieee80211_radiotap_tx(vap, m);
4146 }
4147 }
4148
4149 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4150
4151 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4152 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4153 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d\n",
4154 device_get_nameunit(sc->dev),
4155 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, dmalen);
4156
4157 data->len = dmalen;
4158 data->m = m;
4159 data->ni = ni;
4160
4161 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4162 ring->queued++;
4163
4164 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4165
4166 return 0;
4167 }
4168
4169 /*
4170 * rt2870_tx_data
4171 */
4172 static int rt2870_tx_data(struct rt2870_softc *sc,
4173 struct mbuf *m, struct ieee80211_node *ni, int qid)
4174 {
4175 struct ifnet *ifp;
4176 struct ieee80211com *ic;
4177 struct ieee80211vap *vap;
4178 const struct ieee80211_txparam *tp;
4179 struct rt2870_softc_node *rni;
4180 struct rt2870_softc_tx_ring *ring;
4181 struct rt2870_softc_tx_data *data;
4182 struct rt2870_txinfo *txinfo;
4183 struct rt2870_txwi *txwi;
4184 struct ieee80211_frame *wh;
4185 struct ieee80211_tx_ampdu *tx_ampdu;
4186 ieee80211_seq seqno;
4187 struct rt2870_softc_tx_radiotap_header *tap;
4188 u_int hdrsize, hdrspace;
4189 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4190 uint16_t qos, len, dmalen, mpdu_len, dur;
4191 int hasqos, ac, tid, ampdu;
4192
4193 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4194 ("%s: Tx data: invalid qid=%d\n",
4195 device_get_nameunit(sc->dev), qid));
4196
4197 ifp = sc->ifp;
4198 ic = ifp->if_l2com;
4199 vap = ni->ni_vap;
4200 rni = (struct rt2870_softc_node *) ni;
4201 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
4202
4203 ring = &sc->tx_ring[qid];
4204 data = STAILQ_FIRST(&ring->inactive);
4205 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4206 txinfo = (struct rt2870_txinfo *) data->buf;
4207 txwi = (struct rt2870_txwi *) (txinfo + 1);
4208
4209 wh = mtod(m, struct ieee80211_frame *);
4210
4211 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4212
4213 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4214 if (hasqos)
4215 {
4216 if (IEEE80211_HAS_ADDR4(wh))
4217 qos = le16toh(*(const uint16_t *)
4218 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4219 else
4220 qos = le16toh(*(const uint16_t *)
4221 (((struct ieee80211_qosframe *) wh)->i_qos));
4222 }
4223 else
4224 {
4225 qos = 0;
4226 }
4227
4228 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4229 rate = tp->mcastrate;
4230 else if (m->m_flags & M_EAPOL)
4231 rate = tp->mgmtrate;
4232 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4233 rate = tp->ucastrate;
4234 else
4235 rate = ni->ni_txrate;
4236
4237 rate &= IEEE80211_RATE_VAL;
4238
4239 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4240
4241 /* align end on a 4-bytes boundary */
4242
4243 dmalen = (len + 3) & ~3;
4244
4245 /* fill Tx info */
4246
4247 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4248
4249 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4250
4251 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4252
4253 dmalen += 4;
4254
4255 memset((caddr_t) txinfo + len, 0, dmalen - len);
4256
4257 /* fill Tx wireless info */
4258
4259 if (ni->ni_flags & IEEE80211_NODE_HT)
4260 mcs = rate;
4261 else
4262 mcs = rt2870_rate2mcs(rate);
4263
4264 pid = mcs;
4265
4266 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4267 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4268
4269 /* calculate MPDU length without padding */
4270
4271 hdrsize = ieee80211_hdrsize(wh);
4272 hdrspace = ieee80211_hdrspace(ic, wh);
4273 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4274
4275 memset(txwi, 0, sizeof(struct rt2870_txwi));
4276
4277 txwi->wcid = wcid;
4278
4279 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4280 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4281 RT2870_TXWI_MPDU_LEN_SHIFT);
4282
4283 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4284
4285 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4286 (ni->ni_flags & IEEE80211_NODE_HT);
4287
4288 txwi->phymode_ifs_stbc_shortgi |=
4289 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4290 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4291
4292 if (ni->ni_flags & IEEE80211_NODE_HT)
4293 {
4294 txwi->phymode_ifs_stbc_shortgi |=
4295 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4296 }
4297 else
4298 {
4299 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4300 {
4301 txwi->phymode_ifs_stbc_shortgi |=
4302 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4303
4304 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4305 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4306 }
4307 else
4308 {
4309 txwi->phymode_ifs_stbc_shortgi |=
4310 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4311 }
4312 }
4313
4314 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4315 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4316 bw = RT2870_TXWI_BW_40;
4317 else
4318 bw = RT2870_TXWI_BW_20;
4319
4320 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4321 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4322
4323 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4324
4325 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4326 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4327 {
4328 txwi->bawin_size_xflags |=
4329 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4330
4331 if (ni->ni_flags & IEEE80211_NODE_HT)
4332 {
4333 /* preamble + plcp + signal extension */
4334
4335 dur = 16 + 4 + 6;
4336 }
4337 else
4338 {
4339 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4340 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4341 }
4342
4343 *(uint16_t *) wh->i_dur = htole16(dur);
4344 }
4345
4346 /* check fo A-MPDU */
4347
4348 if (m->m_flags & M_AMPDU_MPDU)
4349 {
4350 ac = M_WME_GETAC(m);
4351 tid = WME_AC_TO_TID(ac);
4352 tx_ampdu = &ni->ni_tx_ampdu[ac];
4353
4354 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4355 bawin_size = 13; //tx_ampdu->txa_wnd;
4356
4357 txwi->mpdu_density_flags |=
4358 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4359 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4360
4361 txwi->bawin_size_xflags |=
4362 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4363
4364 seqno = ni->ni_txseqs[tid]++;
4365
4366 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4367
4368 ampdu = 1;
4369 }
4370 else
4371 {
4372 ampdu = 0;
4373 }
4374
4375 /* ask MAC to insert timestamp into probe responses */
4376
4377 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4378 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4379 txwi->mpdu_density_flags |=
4380 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4381
4382 if (ieee80211_radiotap_active_vap(vap))
4383 {
4384 tap = &sc->txtap;
4385
4386 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4387 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4388 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4389 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4390 tap->chan_maxpow = 0;
4391
4392 if (ni->ni_flags & IEEE80211_NODE_HT)
4393 tap->rate = mcs | IEEE80211_RATE_MCS;
4394 else
4395 tap->rate = rate;
4396
4397 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4398 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4399
4400 if (shortgi)
4401 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4402
4403 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4404 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4405
4406 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4407 {
4408 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4409
4410 ieee80211_radiotap_tx(vap, m);
4411
4412 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4413 }
4414 else
4415 {
4416 ieee80211_radiotap_tx(vap, m);
4417 }
4418 }
4419
4420 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4421
4422 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4423 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4424 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4425 device_get_nameunit(sc->dev),
4426 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4427 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4428
4429 data->len = dmalen;
4430 data->m = m;
4431 data->ni = ni;
4432
4433 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4434 ring->queued++;
4435
4436 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4437
4438 return 0;
4439 }
4440
4441 /*
4442 * rt2870_tx_raw
4443 */
4444 static int rt2870_tx_raw(struct rt2870_softc *sc,
4445 struct mbuf *m, struct ieee80211_node *ni,
4446 const struct ieee80211_bpf_params *params)
4447 {
4448 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4449 "%s: Tx raw\n",
4450 device_get_nameunit(sc->dev));
4451
4452 return 0;
4453 }
4454
4455 /*
4456 * rt2870_rx_intr
4457 */
4458 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4459 {
4460 struct rt2870_softc *sc;
4461 struct ifnet *ifp;
4462 struct rt2870_softc_rx_ring *ring;
4463 struct rt2870_softc_rx_data *data;
4464 int len;
4465
4466 sc = usbd_xfer_softc(xfer);
4467 ifp = sc->ifp;
4468 ring = &sc->rx_ring;
4469
4470 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4471 "%s: Rx interrupt: state=%d, error=%s\n",
4472 device_get_nameunit(sc->dev),
4473 USB_GET_STATE(xfer), usbd_errstr(error));
4474
4475 switch (USB_GET_STATE(xfer))
4476 {
4477 case USB_ST_TRANSFERRED:
4478 sc->interrupts++;
4479 sc->rx_interrupts++;
4480
4481 data = STAILQ_FIRST(&ring->active);
4482 if (data == NULL)
4483 goto setup;
4484
4485 STAILQ_REMOVE_HEAD(&ring->active, next);
4486
4487 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4488
4489 data->len = len;
4490
4491 STAILQ_INSERT_TAIL(&ring->done, data, next);
4492
4493 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4494
4495 /* FALLTHROUGH */
4496
4497 setup:
4498
4499 case USB_ST_SETUP:
4500 data = STAILQ_FIRST(&ring->inactive);
4501 if (data == NULL)
4502 break;
4503
4504 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4505
4506 STAILQ_INSERT_TAIL(&ring->active, data, next);
4507
4508 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4509 usbd_transfer_submit(xfer);
4510 break;
4511
4512 default:
4513 sc->interrupts++;
4514 sc->rx_interrupts++;
4515
4516 data = STAILQ_FIRST(&ring->active);
4517 if (data != NULL)
4518 {
4519 STAILQ_REMOVE_HEAD(&ring->active, next);
4520 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4521 }
4522
4523 if (error != USB_ERR_CANCELLED)
4524 {
4525 ifp->if_ierrors++;
4526
4527 usbd_xfer_set_stall(xfer);
4528
4529 goto setup;
4530 }
4531 break;
4532 }
4533 }
4534
4535 /*
4536 * rt2870_tx_intr
4537 */
4538 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4539 {
4540 struct rt2870_softc *sc;
4541 struct ifnet *ifp;
4542 struct rt2870_softc_tx_ring *ring;
4543 struct rt2870_softc_tx_data *data;
4544
4545 sc = usbd_xfer_softc(xfer);
4546 ifp = sc->ifp;
4547 ring = usbd_xfer_get_priv(xfer);
4548
4549 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4550
4551 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4552 "%s: Tx interrupt: state=%d, error=%s\n",
4553 device_get_nameunit(sc->dev),
4554 USB_GET_STATE(xfer), usbd_errstr(error));
4555
4556 switch (USB_GET_STATE(xfer))
4557 {
4558 case USB_ST_TRANSFERRED:
4559 sc->interrupts++;
4560 sc->tx_interrupts[ring->qid]++;
4561
4562 data = STAILQ_FIRST(&ring->active);
4563 if (data == NULL)
4564 goto setup;
4565
4566 STAILQ_REMOVE_HEAD(&ring->active, next);
4567
4568 STAILQ_INSERT_TAIL(&ring->done, data, next);
4569
4570 sc->tx_qid_pending_mask |= (1 << ring->qid);
4571
4572 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4573
4574 /* FALLTHROUGH */
4575
4576 setup:
4577
4578 case USB_ST_SETUP:
4579 data = STAILQ_FIRST(&ring->pending);
4580 if (data == NULL)
4581 break;
4582
4583 STAILQ_REMOVE_HEAD(&ring->pending, next);
4584 STAILQ_INSERT_TAIL(&ring->active, data, next);
4585
4586 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4587 usbd_transfer_submit(xfer);
4588
4589 RT2870_SOFTC_UNLOCK(sc);
4590
4591 rt2870_start(ifp);
4592
4593 RT2870_SOFTC_LOCK(sc);
4594 break;
4595
4596 default:
4597 sc->interrupts++;
4598 sc->tx_interrupts[ring->qid]++;
4599
4600 data = STAILQ_FIRST(&ring->active);
4601 if (data != NULL)
4602 {
4603 STAILQ_REMOVE_HEAD(&ring->active, next);
4604
4605 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4606 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4607
4608 if (data->m != NULL)
4609 {
4610 m_freem(data->m);
4611 data->m = NULL;
4612 }
4613
4614 if (data->ni != NULL)
4615 {
4616 ieee80211_free_node(data->ni);
4617 data->ni = NULL;
4618 }
4619
4620 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4621
4622 ring->queued--;
4623 }
4624
4625 if (error != USB_ERR_CANCELLED)
4626 {
4627 ifp->if_oerrors++;
4628 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4629
4630 usbd_xfer_set_stall(xfer);
4631
4632 goto setup;
4633 }
4634 break;
4635 }
4636 }
4637
4638 /*
4639 * rt2870_rx_done_task
4640 */
4641 static void rt2870_rx_done_task(void *context, int pending)
4642 {
4643 struct rt2870_softc *sc;
4644 struct ifnet *ifp;
4645
4646 sc = context;
4647 ifp = sc->ifp;
4648
4649 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4650 "%s: Rx done task\n",
4651 device_get_nameunit(sc->dev));
4652
4653 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4654 return;
4655
4656 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4657 {
4658 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4659 "%s: Rx done task: scheduling again\n",
4660 device_get_nameunit(sc->dev));
4661
4662 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4663 }
4664 }
4665
4666 /*
4667 * rt2870_tx_done_task
4668 */
4669 static void rt2870_tx_done_task(void *context, int pending)
4670 {
4671 struct rt2870_softc *sc;
4672 struct ifnet *ifp;
4673 int i;
4674
4675 sc = context;
4676 ifp = sc->ifp;
4677
4678 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4679 "%s: Tx done task\n",
4680 device_get_nameunit(sc->dev));
4681
4682 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4683 return;
4684
4685 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4686 {
4687 if (sc->tx_qid_pending_mask & (1 << i))
4688 {
4689 sc->tx_qid_pending_mask &= ~(1 << i);
4690
4691 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4692 }
4693 }
4694
4695 if (sc->tx_qid_pending_mask != 0)
4696 {
4697 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4698 "%s: Tx done task: scheduling again\n",
4699 device_get_nameunit(sc->dev));
4700
4701 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4702 }
4703
4704 sc->tx_timer = 0;
4705
4706 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4707 }
4708
4709 /*
4710 * rt2870_periodic_task
4711 */
4712 static void rt2870_periodic_task(void *context, int pending)
4713 {
4714 struct rt2870_softc *sc;
4715 struct ifnet *ifp;
4716 struct ieee80211com *ic;
4717 struct ieee80211vap *vap;
4718
4719 sc = context;
4720 ifp = sc->ifp;
4721 ic = ifp->if_l2com;
4722 vap = TAILQ_FIRST(&ic->ic_vaps);
4723
4724 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4725 "%s: periodic task: round=%lu\n",
4726 device_get_nameunit(sc->dev), sc->periodic_round);
4727
4728 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4729 return;
4730
4731 RT2870_SOFTC_LOCK(sc);
4732
4733 sc->periodic_round++;
4734
4735 rt2870_update_stats(sc);
4736
4737 if ((sc->periodic_round % 10) == 0)
4738 {
4739 rt2870_bbp_tuning(sc);
4740
4741 rt2870_update_raw_counters(sc);
4742
4743 rt2870_watchdog(sc);
4744
4745 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4746 {
4747 if (vap->iv_opmode == IEEE80211_M_STA)
4748 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
4749 else
4750 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
4751 }
4752 }
4753
4754 RT2870_SOFTC_UNLOCK(sc);
4755
4756 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4757 }
4758
4759 /*
4760 * rt2870_cmd_task
4761 */
4762 static void rt2870_cmd_task(void *context, int pending)
4763 {
4764 struct rt2870_softc *sc;
4765 struct rt2870_softc_cmd_ring *ring;
4766 struct rt2870_softc_cmd *cmd;
4767
4768 sc = context;
4769 ring = &sc->cmd_ring;
4770
4771 while (1)
4772 {
4773 RT2870_SOFTC_LOCK(sc);
4774
4775 cmd = STAILQ_FIRST(&ring->active);
4776 if (cmd == NULL)
4777 {
4778 RT2870_SOFTC_UNLOCK(sc);
4779 break;
4780 }
4781
4782 STAILQ_REMOVE_HEAD(&ring->active, next);
4783
4784 RT2870_SOFTC_UNLOCK(sc);
4785
4786 cmd->cb(sc, cmd->data);
4787
4788 RT2870_SOFTC_LOCK(sc);
4789
4790 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4791 ring->queued--;
4792
4793 RT2870_SOFTC_UNLOCK(sc);
4794 }
4795 }
4796
4797 /*
4798 * rt2870_rx_eof
4799 */
4800 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4801 {
4802 struct ifnet *ifp;
4803 struct rt2870_softc_rx_ring *ring;
4804 struct rt2870_softc_rx_data *data;
4805 uint32_t dmalen;
4806 uint8_t *buf;
4807 int nframes, len;
4808
4809 ifp = sc->ifp;
4810 ring = &sc->rx_ring;
4811
4812 nframes = 0;
4813
4814 while (limit != 0)
4815 {
4816 RT2870_SOFTC_LOCK(sc);
4817
4818 data = STAILQ_FIRST(&ring->done);
4819 if (data == NULL)
4820 {
4821 RT2870_SOFTC_UNLOCK(sc);
4822 break;
4823 }
4824
4825 STAILQ_REMOVE_HEAD(&ring->done, next);
4826
4827 RT2870_SOFTC_UNLOCK(sc);
4828
4829 buf = data->buf;
4830 len = data->len;
4831
4832 if (len < RT2870_RX_DESC_SIZE)
4833 {
4834 ifp->if_ierrors++;
4835 goto skip;
4836 }
4837
4838 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4839 {
4840 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4841
4842 if (dmalen == 0 || (dmalen & 3) != 0)
4843 {
4844 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4845 "%s: bad DMA len=%u\n",
4846 device_get_nameunit(sc->dev), dmalen);
4847 goto skip;
4848 }
4849
4850 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4851 {
4852 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4853 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4854 device_get_nameunit(sc->dev),
4855 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4856 goto skip;
4857 }
4858
4859 nframes++;
4860
4861 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4862
4863 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4864 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4865 }
4866
4867 skip:
4868
4869 RT2870_SOFTC_LOCK(sc);
4870
4871 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4872
4873 usbd_transfer_start(sc->usb_xfer[0]);
4874
4875 RT2870_SOFTC_UNLOCK(sc);
4876
4877 limit--;
4878 }
4879
4880 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4881 "%s: Rx eof: nframes=%d\n",
4882 device_get_nameunit(sc->dev), nframes);
4883
4884 sc->rx_packets += nframes;
4885
4886 return (limit == 0);
4887 }
4888
4889 /*
4890 * rt2870_tx_eof
4891 */
4892 static void rt2870_tx_eof(struct rt2870_softc *sc,
4893 struct rt2870_softc_tx_ring *ring)
4894 {
4895 struct ifnet *ifp;
4896 struct rt2870_softc_tx_data *data;
4897 int nframes;
4898
4899 ifp = sc->ifp;
4900
4901 nframes = 0;
4902
4903 while (1)
4904 {
4905 RT2870_SOFTC_LOCK(sc);
4906
4907 data = STAILQ_FIRST(&ring->done);
4908 if (data == NULL)
4909 {
4910 RT2870_SOFTC_UNLOCK(sc);
4911 break;
4912 }
4913
4914 STAILQ_REMOVE_HEAD(&ring->done, next);
4915
4916 RT2870_SOFTC_UNLOCK(sc);
4917
4918 nframes++;
4919
4920 if (data->m->m_flags & M_TXCB)
4921 ieee80211_process_callback(data->ni, data->m, 0);
4922
4923 m_freem(data->m);
4924
4925 ieee80211_free_node(data->ni);
4926
4927 data->m = NULL;
4928 data->ni = NULL;
4929
4930 RT2870_SOFTC_LOCK(sc);
4931
4932 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4933
4934 ring->queued--;
4935 ifp->if_opackets++;
4936
4937 RT2870_SOFTC_UNLOCK(sc);
4938 }
4939
4940 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4941 "%s: Tx eof: qid=%d, nframes=%d\n",
4942 device_get_nameunit(sc->dev), ring->qid, nframes);
4943 }
4944
4945 /*
4946 * rt2870_update_stats
4947 */
4948 static void rt2870_update_stats(struct rt2870_softc *sc)
4949 {
4950 struct ifnet *ifp;
4951 struct ieee80211com *ic;
4952 struct ieee80211vap *vap;
4953 struct ieee80211_node *ni;
4954 uint32_t stacnt[3];
4955 int beacons, noretryok, retryok, failed;
4956 uint16_t associd;
4957 uint8_t wcid;
4958
4959 ifp = sc->ifp;
4960 ic = ifp->if_l2com;
4961 vap = TAILQ_FIRST(&ic->ic_vaps);
4962
4963 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4964 "%s: update statistic\n",
4965 device_get_nameunit(sc->dev));
4966
4967 rt2870_drain_fifo_stats(sc);
4968
4969 /* read and clear Tx statistic registers */
4970
4971 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4972 stacnt, sizeof(stacnt));
4973
4974 stacnt[0] = le32toh(stacnt[0]);
4975 stacnt[1] = le32toh(stacnt[1]);
4976 stacnt[2] = le32toh(stacnt[2]);
4977
4978 beacons = stacnt[0] >> 16;
4979 noretryok = stacnt[1] & 0xffff;
4980 retryok = stacnt[1] >> 16;
4981 failed = stacnt[0] & 0xffff;
4982
4983 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4984 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4985 device_get_nameunit(sc->dev),
4986 beacons, noretryok, retryok, failed);
4987
4988 ifp->if_oerrors += failed;
4989
4990 sc->tx_beacons += beacons;
4991 sc->tx_noretryok += noretryok;
4992 sc->tx_retryok += retryok;
4993 sc->tx_failed += failed;
4994
4995 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
4996 {
4997 ni = vap->iv_bss;
4998
4999 associd = (ni != NULL) ? ni->ni_associd : 0;
5000 wcid = RT2870_AID2WCID(associd);
5001
5002 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5003 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5004 }
5005 }
5006
5007 /*
5008 * rt2870_bbp_tuning
5009 */
5010 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5011 {
5012 struct ifnet *ifp;
5013 struct ieee80211com *ic;
5014 struct ieee80211vap *vap;
5015 struct ieee80211_node *ni;
5016 int chan, group;
5017 int8_t rssi, old, new;
5018
5019 /* RT2860C does not support BBP tuning */
5020
5021 if (sc->mac_rev == 0x28600100)
5022 return;
5023
5024 ifp = sc->ifp;
5025 ic = ifp->if_l2com;
5026 vap = TAILQ_FIRST(&ic->ic_vaps);
5027
5028 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5029 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5030 return;
5031
5032 ni = vap->iv_bss;
5033
5034 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5035
5036 if (chan <= 14)
5037 group = 0;
5038 else if (chan <= 64)
5039 group = 1;
5040 else if (chan <= 128)
5041 group = 2;
5042 else
5043 group = 3;
5044
5045 rssi = ieee80211_getrssi(vap);
5046
5047 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5048 {
5049 new = 0x2e + sc->lna_gain[group];
5050 }
5051 else
5052 {
5053 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5054 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5055 else
5056 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5057 }
5058
5059 /* Tune if absolute average RSSI is greater than -80 */
5060
5061 if (rssi > 30)
5062 new += 0x10;
5063
5064 old = rt2870_io_bbp_read(sc, 66);
5065
5066 if (old != new)
5067 rt2870_io_bbp_write(sc, 66, new);
5068 }
5069
5070 /*
5071 * rt2870_watchdog
5072 */
5073 static void rt2870_watchdog(struct rt2870_softc *sc)
5074 {
5075 uint32_t tmp;
5076 int ntries;
5077
5078 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5079
5080 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5081 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5082 device_get_nameunit(sc->dev), tmp);
5083
5084 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5085 {
5086 sc->tx_queue_not_empty[0]++;
5087
5088 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5089
5090 for (ntries = 0; ntries < 10; ntries++)
5091 {
5092 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5093 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5094 break;
5095
5096 DELAY(1);
5097 }
5098
5099 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5100 }
5101
5102 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5103 {
5104 sc->tx_queue_not_empty[1]++;
5105
5106 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5107
5108 for (ntries = 0; ntries < 10; ntries++)
5109 {
5110 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5111 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5112 break;
5113
5114 DELAY(1);
5115 }
5116
5117 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5118 }
5119 }
5120
5121 /*
5122 * rt2870_drain_fifo_stats
5123 */
5124 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5125 {
5126 struct ifnet *ifp;
5127 uint32_t stats;
5128 uint8_t wcid, mcs, pid;
5129 int ok, retrycnt;
5130
5131 ifp = sc->ifp;
5132
5133 /* drain Tx status FIFO (maxsize = 16) */
5134
5135 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5136 RT2870_REG_TX_STA_FIFO_VALID)
5137 {
5138 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5139 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5140
5141 /* if no ACK was requested, no feedback is available */
5142
5143 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5144 continue;
5145
5146 /* update AMRR statistic */
5147
5148 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5149 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5150 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5151 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5152 RT2870_REG_TX_STA_FIFO_PID_MASK;
5153 retrycnt = pid - mcs;
5154
5155 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5156 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5157 device_get_nameunit(sc->dev),
5158 wcid, ok, mcs, pid, retrycnt);
5159
5160 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5161
5162 if (!ok)
5163 ifp->if_oerrors++;
5164 }
5165 }
5166
5167 /*
5168 * rt2870_update_raw_counters
5169 */
5170 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5171 {
5172 uint32_t tmp;
5173
5174 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5175
5176 sc->tx_nonagg += tmp & 0xffff;
5177 sc->tx_agg += tmp >> 16;
5178
5179 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5180
5181 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5182
5183 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5184
5185 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5186
5187 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5188
5189 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5190
5191 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5192
5193 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5194
5195 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5196
5197 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5198
5199 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5200
5201 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5202
5203 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5204
5205 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5206
5207 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5208
5209 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5210
5211 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5212
5213 sc->rx_crc_errors += tmp & 0xffff;
5214 sc->rx_phy_errors += tmp >> 16;
5215
5216 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5217
5218 sc->rx_false_ccas += tmp & 0xffff;
5219 sc->rx_plcp_errors += tmp >> 16;
5220
5221 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5222
5223 sc->rx_dup_packets += tmp & 0xffff;
5224 sc->rx_fifo_overflows += tmp >> 16;
5225 }
5226
5227 /*
5228 * rt2870_txrx_enable
5229 */
5230 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5231 {
5232 struct ieee80211com *ic;
5233 struct ifnet *ifp;
5234 uint32_t tmp;
5235 int ntries;
5236
5237 ifp = sc->ifp;
5238 ic = ifp->if_l2com;
5239
5240 /* enable Tx/Rx DMA engine */
5241
5242 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5243
5244 tmp &= 0xffffff00;
5245 tmp |= 0x1e;
5246
5247 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5248
5249 if ((sc->mac_rev & 0xffff) != 0x0101)
5250 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5251
5252 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5253
5254 for (ntries = 0; ntries < 200; ntries++)
5255 {
5256 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5257 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5258 break;
5259
5260 DELAY(1000);
5261 }
5262
5263 if (ntries == 200)
5264 {
5265 printf("%s: timeout waiting for DMA engine\n",
5266 device_get_nameunit(sc->dev));
5267 return -1;
5268 }
5269
5270 DELAY(50);
5271
5272 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5273 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5274 (48 << 16) | 96);
5275
5276 tmp |= RT2870_REG_TX_WB_DDONE |
5277 RT2870_REG_RX_DMA_ENABLE |
5278 RT2870_REG_TX_DMA_ENABLE;
5279
5280 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5281
5282 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5283 RT2870_REG_USB_DMA_RX_ENABLE |
5284 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5285 /* Rx agg limit in unit of 1024 byte */
5286 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5287 /* Rx agg timeout in unit of 33ns */
5288 0x80;
5289
5290 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5291
5292 /* set Rx filter */
5293
5294 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5295 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5296
5297 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5298 {
5299 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5300 RT2870_REG_RX_FILTER_DROP_CTS |
5301 RT2870_REG_RX_FILTER_DROP_BA |
5302 RT2870_REG_RX_FILTER_DROP_ACK |
5303 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5304 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5305 RT2870_REG_RX_FILTER_DROP_CFACK |
5306 RT2870_REG_RX_FILTER_DROP_CFEND;
5307
5308 if (ic->ic_opmode == IEEE80211_M_STA)
5309 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5310 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5311
5312 if (!(ifp->if_flags & IFF_PROMISC))
5313 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5314 }
5315
5316 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5317
5318 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5319 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5320
5321 return 0;
5322 }
5323
5324 /*
5325 * rt2870_alloc_rx_ring
5326 */
5327 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5328 struct rt2870_softc_rx_ring *ring)
5329 {
5330 struct rt2870_softc_rx_data *data;
5331 int i, error;
5332
5333 STAILQ_INIT(&ring->inactive);
5334 STAILQ_INIT(&ring->active);
5335 STAILQ_INIT(&ring->done);
5336
5337 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5338 {
5339 data = &ring->data[i];
5340
5341 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5342 if (data->buf == NULL)
5343 {
5344 printf("%s: could not allocate Rx buffer\n",
5345 device_get_nameunit(sc->dev));
5346 error = ENOMEM;
5347 goto fail;
5348 }
5349
5350 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5351 }
5352
5353 return 0;
5354
5355 fail:
5356
5357 rt2870_free_rx_ring(sc, ring);
5358
5359 return error;
5360 }
5361
5362 /*
5363 * rt2870_reset_rx_ring
5364 */
5365 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5366 struct rt2870_softc_rx_ring *ring)
5367 {
5368 struct rt2870_softc_rx_data *data;
5369 int i;
5370
5371 STAILQ_INIT(&ring->inactive);
5372 STAILQ_INIT(&ring->active);
5373 STAILQ_INIT(&ring->done);
5374
5375 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5376 {
5377 data = &ring->data[i];
5378
5379 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5380 }
5381 }
5382
5383 /*
5384 * rt2870_free_rx_ring
5385 */
5386 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5387 struct rt2870_softc_rx_ring *ring)
5388 {
5389 struct rt2870_softc_rx_data *data;
5390 int i;
5391
5392 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5393 {
5394 data = &ring->data[i];
5395
5396 if (data->buf != NULL)
5397 {
5398 free(data->buf, M_USBDEV);
5399 data->buf = NULL;
5400 }
5401 }
5402 }
5403
5404 /*
5405 * rt2870_alloc_tx_ring
5406 */
5407 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5408 struct rt2870_softc_tx_ring *ring, int qid)
5409 {
5410 struct rt2870_softc_tx_data *data;
5411 int i, error;
5412
5413 STAILQ_INIT(&ring->inactive);
5414 STAILQ_INIT(&ring->pending);
5415 STAILQ_INIT(&ring->active);
5416 STAILQ_INIT(&ring->done);
5417
5418 ring->queued = 0;
5419 ring->qid = qid;
5420
5421 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5422 {
5423 data = &ring->data[i];
5424
5425 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5426 if (data->buf == NULL)
5427 {
5428 printf("%s: could not allocate Tx buffer\n",
5429 device_get_nameunit(sc->dev));
5430 error = ENOMEM;
5431 goto fail;
5432 }
5433
5434 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5435
5436 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5437 }
5438
5439 return 0;
5440
5441 fail:
5442
5443 rt2870_free_tx_ring(sc, ring);
5444
5445 return error;
5446 }
5447
5448 /*
5449 * rt2870_reset_tx_ring
5450 */
5451 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5452 struct rt2870_softc_tx_ring *ring)
5453 {
5454 struct rt2870_softc_tx_data *data;
5455 int i;
5456
5457 STAILQ_INIT(&ring->inactive);
5458 STAILQ_INIT(&ring->pending);
5459 STAILQ_INIT(&ring->active);
5460 STAILQ_INIT(&ring->done);
5461
5462 ring->queued = 0;
5463
5464 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5465 {
5466 data = &ring->data[i];
5467
5468 if (data->m != NULL)
5469 {
5470 m_free(data->m);
5471 data->m = NULL;
5472 }
5473
5474 if (data->ni != NULL)
5475 {
5476 ieee80211_free_node(data->ni);
5477 data->ni = NULL;
5478 }
5479
5480 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5481 }
5482 }
5483
5484 /*
5485 * rt2870_free_tx_ring
5486 */
5487 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5488 struct rt2870_softc_tx_ring *ring)
5489 {
5490 struct rt2870_softc_tx_data *data;
5491 int i;
5492
5493 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5494 {
5495 data = &ring->data[i];
5496
5497 if (data->buf != NULL)
5498 {
5499 free(data->buf, M_USBDEV);
5500 data->buf = NULL;
5501 }
5502
5503 if (data->m != NULL)
5504 {
5505 m_free(data->m);
5506 data->m = NULL;
5507 }
5508
5509 if (data->ni != NULL)
5510 {
5511 ieee80211_free_node(data->ni);
5512 data->ni = NULL;
5513 }
5514 }
5515 }
5516
5517 /*
5518 * rt2870_reset_cmd_ring
5519 */
5520 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5521 struct rt2870_softc_cmd_ring *ring)
5522 {
5523 struct rt2870_softc_cmd *cmd;
5524 int i;
5525
5526 STAILQ_INIT(&ring->inactive);
5527 STAILQ_INIT(&ring->active);
5528
5529 ring->queued = 0;
5530
5531 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5532 {
5533 cmd = &ring->cmd[i];
5534
5535 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5536 }
5537 }
5538
5539 /*
5540 * rt2870_sysctl_attach
5541 */
5542 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5543 {
5544 struct sysctl_ctx_list *ctx;
5545 struct sysctl_oid *tree;
5546 struct sysctl_oid *stats;
5547
5548 ctx = device_get_sysctl_ctx(sc->dev);
5549 tree = device_get_sysctl_tree(sc->dev);
5550
5551 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5552 "stats", CTLFLAG_RD, 0, "statistic");
5553
5554 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5555 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5556 "all interrupts");
5557
5558 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5559 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5560 "Rx interrupts");
5561
5562 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5563 {
5564 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5565 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5566 "Tx MGMT interrupts");
5567
5568 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5569 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5570 "Tx HCCA interrupts");
5571 }
5572
5573 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5574 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5575 "Tx AC3 interrupts");
5576
5577 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5578 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5579 "Tx AC2 interrupts");
5580
5581 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5582 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5583 "Tx AC1 interrupts");
5584
5585 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5586 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5587 "Tx AC0 interrupts");
5588
5589 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5590 {
5591 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5592 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5593 "Tx MGMT data queued");
5594
5595 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5596 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5597 "Tx HCCA data queued");
5598 }
5599
5600 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5601 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5602 "Tx AC3 data queued");
5603
5604 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5605 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5606 "Tx AC2 data queued");
5607
5608 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5609 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5610 "Tx AC1 data queued");
5611
5612 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5613 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5614 "Tx AC0 data queued");
5615
5616 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5617 {
5618 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5619 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5620 "Tx MGMT data queue full");
5621
5622 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5623 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5624 "Tx HCCA data queue full");
5625 }
5626
5627 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5628 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5629 "Tx AC3 data queue full");
5630
5631 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5632 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5633 "Tx AC2 data queue full");
5634
5635 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5636 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5637 "Tx AC1 data queue full");
5638
5639 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5640 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5641 "Tx AC0 data queue full");
5642
5643 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5644 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5645 "Tx watchdog timeouts");
5646
5647 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5648 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5649 "Rx mbuf allocation errors");
5650
5651 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5652 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5653 "Tx queue 0 not empty");
5654
5655 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5656 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5657 "Tx queue 1 not empty");
5658
5659 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5660 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5661 "Tx beacons");
5662
5663 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5664 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5665 "Tx successfull without retries");
5666
5667 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5668 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5669 "Tx successfull with retries");
5670
5671 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5672 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5673 "Tx failed");
5674
5675 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5676 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5677 "Tx non-aggregated");
5678
5679 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5680 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5681 "Tx aggregated");
5682
5683 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5684 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5685 "Tx A-MPDU");
5686
5687 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5688 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5689 "Rx packets");
5690
5691 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5692 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5693 "Rx A-MPDU");
5694
5695 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5696 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5697 "Rx A-MSDU");
5698
5699 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5700 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5701 "Rx CRC errors");
5702
5703 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5704 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5705 "Rx PHY errors");
5706
5707 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5708 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5709 "Rx false CCAs");
5710
5711 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5712 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5713 "Rx PLCP errors");
5714
5715 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5716 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5717 "Rx duplicate packets");
5718
5719 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5720 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5721 "Rx FIFO overflows");
5722 }
5723
5724 static device_method_t rt2870_dev_methods[] =
5725 {
5726 DEVMETHOD(device_probe, rt2870_probe),
5727 DEVMETHOD(device_attach, rt2870_attach),
5728 DEVMETHOD(device_detach, rt2870_detach),
5729 { 0, 0 }
5730 };
5731
5732 static driver_t rt2870_driver =
5733 {
5734 "rt2870",
5735 rt2870_dev_methods,
5736 sizeof(struct rt2870_softc),
5737 };
5738
5739 static devclass_t rt2870_dev_class;
5740
5741 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5742 NULL, 0);
5743
5744 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5745 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870