xref: /linux/drivers/net/wireless/ti/wlcore/acx.c (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * This file is part of wl1271
4  *
5  * Copyright (C) 2008-2009 Nokia Corporation
6  *
7  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8  */
9 
10 #include "acx.h"
11 
12 #include <linux/module.h>
13 #include <linux/platform_device.h>
14 #include <linux/spi/spi.h>
15 #include <linux/slab.h>
16 
17 #include "wlcore.h"
18 #include "debug.h"
19 #include "wl12xx_80211.h"
20 #include "hw_ops.h"
21 
22 int wl1271_acx_wake_up_conditions(struct wl1271 *wl, struct wl12xx_vif *wlvif,
23 				  u8 wake_up_event, u8 listen_interval)
24 {
25 	struct acx_wake_up_condition *wake_up;
26 	int ret;
27 
28 	wl1271_debug(DEBUG_ACX, "acx wake up conditions (wake_up_event %d listen_interval %d)",
29 		     wake_up_event, listen_interval);
30 
31 	wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
32 	if (!wake_up) {
33 		ret = -ENOMEM;
34 		goto out;
35 	}
36 
37 	wake_up->role_id = wlvif->role_id;
38 	wake_up->wake_up_event = wake_up_event;
39 	wake_up->listen_interval = listen_interval;
40 
41 	ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
42 				   wake_up, sizeof(*wake_up));
43 	if (ret < 0) {
44 		wl1271_warning("could not set wake up conditions: %d", ret);
45 		goto out;
46 	}
47 
48 out:
49 	kfree(wake_up);
50 	return ret;
51 }
52 
53 int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
54 {
55 	struct acx_sleep_auth *auth;
56 	int ret;
57 
58 	wl1271_debug(DEBUG_ACX, "acx sleep auth %d", sleep_auth);
59 
60 	auth = kzalloc(sizeof(*auth), GFP_KERNEL);
61 	if (!auth) {
62 		ret = -ENOMEM;
63 		goto out;
64 	}
65 
66 	auth->sleep_auth = sleep_auth;
67 
68 	ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
69 	if (ret < 0) {
70 		wl1271_error("could not configure sleep_auth to %d: %d",
71 			     sleep_auth, ret);
72 		goto out;
73 	}
74 
75 	wl->sleep_auth = sleep_auth;
76 out:
77 	kfree(auth);
78 	return ret;
79 }
80 EXPORT_SYMBOL_GPL(wl1271_acx_sleep_auth);
81 
82 int wl1271_acx_tx_power(struct wl1271 *wl, struct wl12xx_vif *wlvif,
83 			int power)
84 {
85 	struct acx_current_tx_power *acx;
86 	int ret;
87 
88 	wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr %d", power);
89 
90 	if (power < 0 || power > 25)
91 		return -EINVAL;
92 
93 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
94 	if (!acx) {
95 		ret = -ENOMEM;
96 		goto out;
97 	}
98 
99 	acx->role_id = wlvif->role_id;
100 	acx->current_tx_power = power * 10;
101 
102 	ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
103 	if (ret < 0) {
104 		wl1271_warning("configure of tx power failed: %d", ret);
105 		goto out;
106 	}
107 
108 out:
109 	kfree(acx);
110 	return ret;
111 }
112 
113 int wl1271_acx_feature_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif)
114 {
115 	struct acx_feature_config *feature;
116 	int ret;
117 
118 	wl1271_debug(DEBUG_ACX, "acx feature cfg");
119 
120 	feature = kzalloc(sizeof(*feature), GFP_KERNEL);
121 	if (!feature) {
122 		ret = -ENOMEM;
123 		goto out;
124 	}
125 
126 	/* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
127 	feature->role_id = wlvif->role_id;
128 	feature->data_flow_options = 0;
129 	feature->options = 0;
130 
131 	ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG,
132 				   feature, sizeof(*feature));
133 	if (ret < 0) {
134 		wl1271_error("Couldn't set HW encryption");
135 		goto out;
136 	}
137 
138 out:
139 	kfree(feature);
140 	return ret;
141 }
142 
143 int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
144 		       size_t len)
145 {
146 	int ret;
147 
148 	wl1271_debug(DEBUG_ACX, "acx mem map");
149 
150 	ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map,
151 				     sizeof(struct acx_header), len);
152 	if (ret < 0)
153 		return ret;
154 
155 	return 0;
156 }
157 
158 int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl)
159 {
160 	struct acx_rx_msdu_lifetime *acx;
161 	int ret;
162 
163 	wl1271_debug(DEBUG_ACX, "acx rx msdu life time");
164 
165 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
166 	if (!acx) {
167 		ret = -ENOMEM;
168 		goto out;
169 	}
170 
171 	acx->lifetime = cpu_to_le32(wl->conf.rx.rx_msdu_life_time);
172 	ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
173 				   acx, sizeof(*acx));
174 	if (ret < 0) {
175 		wl1271_warning("failed to set rx msdu life time: %d", ret);
176 		goto out;
177 	}
178 
179 out:
180 	kfree(acx);
181 	return ret;
182 }
183 
184 int wl1271_acx_slot(struct wl1271 *wl, struct wl12xx_vif *wlvif,
185 		    enum acx_slot_type slot_time)
186 {
187 	struct acx_slot *slot;
188 	int ret;
189 
190 	wl1271_debug(DEBUG_ACX, "acx slot");
191 
192 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
193 	if (!slot) {
194 		ret = -ENOMEM;
195 		goto out;
196 	}
197 
198 	slot->role_id = wlvif->role_id;
199 	slot->wone_index = STATION_WONE_INDEX;
200 	slot->slot_time = slot_time;
201 
202 	ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
203 	if (ret < 0) {
204 		wl1271_warning("failed to set slot time: %d", ret);
205 		goto out;
206 	}
207 
208 out:
209 	kfree(slot);
210 	return ret;
211 }
212 
213 int wl1271_acx_group_address_tbl(struct wl1271 *wl, struct wl12xx_vif *wlvif,
214 				 bool enable, void *mc_list, u32 mc_list_len)
215 {
216 	struct acx_dot11_grp_addr_tbl *acx;
217 	int ret;
218 
219 	wl1271_debug(DEBUG_ACX, "acx group address tbl");
220 
221 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
222 	if (!acx) {
223 		ret = -ENOMEM;
224 		goto out;
225 	}
226 
227 	/* MAC filtering */
228 	acx->role_id = wlvif->role_id;
229 	acx->enabled = enable;
230 	acx->num_groups = mc_list_len;
231 	memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);
232 
233 	ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
234 				   acx, sizeof(*acx));
235 	if (ret < 0) {
236 		wl1271_warning("failed to set group addr table: %d", ret);
237 		goto out;
238 	}
239 
240 out:
241 	kfree(acx);
242 	return ret;
243 }
244 
245 int wl1271_acx_service_period_timeout(struct wl1271 *wl,
246 				      struct wl12xx_vif *wlvif)
247 {
248 	struct acx_rx_timeout *rx_timeout;
249 	int ret;
250 
251 	rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
252 	if (!rx_timeout) {
253 		ret = -ENOMEM;
254 		goto out;
255 	}
256 
257 	wl1271_debug(DEBUG_ACX, "acx service period timeout");
258 
259 	rx_timeout->role_id = wlvif->role_id;
260 	rx_timeout->ps_poll_timeout = cpu_to_le16(wl->conf.rx.ps_poll_timeout);
261 	rx_timeout->upsd_timeout = cpu_to_le16(wl->conf.rx.upsd_timeout);
262 
263 	ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
264 				   rx_timeout, sizeof(*rx_timeout));
265 	if (ret < 0) {
266 		wl1271_warning("failed to set service period timeout: %d",
267 			       ret);
268 		goto out;
269 	}
270 
271 out:
272 	kfree(rx_timeout);
273 	return ret;
274 }
275 
276 int wl1271_acx_rts_threshold(struct wl1271 *wl, struct wl12xx_vif *wlvif,
277 			     u32 rts_threshold)
278 {
279 	struct acx_rts_threshold *rts;
280 	int ret;
281 
282 	/*
283 	 * If the RTS threshold is not configured or out of range, use the
284 	 * default value.
285 	 */
286 	if (rts_threshold > IEEE80211_MAX_RTS_THRESHOLD)
287 		rts_threshold = wl->conf.rx.rts_threshold;
288 
289 	wl1271_debug(DEBUG_ACX, "acx rts threshold: %d", rts_threshold);
290 
291 	rts = kzalloc(sizeof(*rts), GFP_KERNEL);
292 	if (!rts) {
293 		ret = -ENOMEM;
294 		goto out;
295 	}
296 
297 	rts->role_id = wlvif->role_id;
298 	rts->threshold = cpu_to_le16((u16)rts_threshold);
299 
300 	ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
301 	if (ret < 0) {
302 		wl1271_warning("failed to set rts threshold: %d", ret);
303 		goto out;
304 	}
305 
306 out:
307 	kfree(rts);
308 	return ret;
309 }
310 
311 int wl1271_acx_dco_itrim_params(struct wl1271 *wl)
312 {
313 	struct acx_dco_itrim_params *dco;
314 	struct conf_itrim_settings *c = &wl->conf.itrim;
315 	int ret;
316 
317 	wl1271_debug(DEBUG_ACX, "acx dco itrim parameters");
318 
319 	dco = kzalloc(sizeof(*dco), GFP_KERNEL);
320 	if (!dco) {
321 		ret = -ENOMEM;
322 		goto out;
323 	}
324 
325 	dco->enable = c->enable;
326 	dco->timeout = cpu_to_le32(c->timeout);
327 
328 	ret = wl1271_cmd_configure(wl, ACX_SET_DCO_ITRIM_PARAMS,
329 				   dco, sizeof(*dco));
330 	if (ret < 0) {
331 		wl1271_warning("failed to set dco itrim parameters: %d", ret);
332 		goto out;
333 	}
334 
335 out:
336 	kfree(dco);
337 	return ret;
338 }
339 
340 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, struct wl12xx_vif *wlvif,
341 				 bool enable_filter)
342 {
343 	struct acx_beacon_filter_option *beacon_filter = NULL;
344 	int ret = 0;
345 
346 	wl1271_debug(DEBUG_ACX, "acx beacon filter opt enable=%d",
347 		     enable_filter);
348 
349 	if (enable_filter &&
350 	    wl->conf.conn.bcn_filt_mode == CONF_BCN_FILT_MODE_DISABLED)
351 		goto out;
352 
353 	beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
354 	if (!beacon_filter) {
355 		ret = -ENOMEM;
356 		goto out;
357 	}
358 
359 	beacon_filter->role_id = wlvif->role_id;
360 	beacon_filter->enable = enable_filter;
361 
362 	/*
363 	 * When set to zero, and the filter is enabled, beacons
364 	 * without the unicast TIM bit set are dropped.
365 	 */
366 	beacon_filter->max_num_beacons = 0;
367 
368 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
369 				   beacon_filter, sizeof(*beacon_filter));
370 	if (ret < 0) {
371 		wl1271_warning("failed to set beacon filter opt: %d", ret);
372 		goto out;
373 	}
374 
375 out:
376 	kfree(beacon_filter);
377 	return ret;
378 }
379 
380 int wl1271_acx_beacon_filter_table(struct wl1271 *wl,
381 				   struct wl12xx_vif *wlvif)
382 {
383 	struct acx_beacon_filter_ie_table *ie_table;
384 	int i, idx = 0;
385 	int ret;
386 	bool vendor_spec = false;
387 
388 	wl1271_debug(DEBUG_ACX, "acx beacon filter table");
389 
390 	ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
391 	if (!ie_table) {
392 		ret = -ENOMEM;
393 		goto out;
394 	}
395 
396 	/* configure default beacon pass-through rules */
397 	ie_table->role_id = wlvif->role_id;
398 	ie_table->num_ie = 0;
399 	for (i = 0; i < wl->conf.conn.bcn_filt_ie_count; i++) {
400 		struct conf_bcn_filt_rule *r = &(wl->conf.conn.bcn_filt_ie[i]);
401 		ie_table->table[idx++] = r->ie;
402 		ie_table->table[idx++] = r->rule;
403 
404 		if (r->ie == WLAN_EID_VENDOR_SPECIFIC) {
405 			/* only one vendor specific ie allowed */
406 			if (vendor_spec)
407 				continue;
408 
409 			/* for vendor specific rules configure the
410 			   additional fields */
411 			memcpy(&(ie_table->table[idx]), r->oui,
412 			       CONF_BCN_IE_OUI_LEN);
413 			idx += CONF_BCN_IE_OUI_LEN;
414 			ie_table->table[idx++] = r->type;
415 			memcpy(&(ie_table->table[idx]), r->version,
416 			       CONF_BCN_IE_VER_LEN);
417 			idx += CONF_BCN_IE_VER_LEN;
418 			vendor_spec = true;
419 		}
420 
421 		ie_table->num_ie++;
422 	}
423 
424 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
425 				   ie_table, sizeof(*ie_table));
426 	if (ret < 0) {
427 		wl1271_warning("failed to set beacon filter table: %d", ret);
428 		goto out;
429 	}
430 
431 out:
432 	kfree(ie_table);
433 	return ret;
434 }
435 
436 #define ACX_CONN_MONIT_DISABLE_VALUE  0xffffffff
437 
438 int wl1271_acx_conn_monit_params(struct wl1271 *wl, struct wl12xx_vif *wlvif,
439 				 bool enable)
440 {
441 	struct acx_conn_monit_params *acx;
442 	u32 threshold = ACX_CONN_MONIT_DISABLE_VALUE;
443 	u32 timeout = ACX_CONN_MONIT_DISABLE_VALUE;
444 	int ret;
445 
446 	wl1271_debug(DEBUG_ACX, "acx connection monitor parameters: %s",
447 		     enable ? "enabled" : "disabled");
448 
449 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
450 	if (!acx) {
451 		ret = -ENOMEM;
452 		goto out;
453 	}
454 
455 	if (enable) {
456 		threshold = wl->conf.conn.synch_fail_thold;
457 		timeout = wl->conf.conn.bss_lose_timeout;
458 	}
459 
460 	acx->role_id = wlvif->role_id;
461 	acx->synch_fail_thold = cpu_to_le32(threshold);
462 	acx->bss_lose_timeout = cpu_to_le32(timeout);
463 
464 	ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
465 				   acx, sizeof(*acx));
466 	if (ret < 0) {
467 		wl1271_warning("failed to set connection monitor "
468 			       "parameters: %d", ret);
469 		goto out;
470 	}
471 
472 out:
473 	kfree(acx);
474 	return ret;
475 }
476 
477 
478 int wl1271_acx_sg_enable(struct wl1271 *wl, bool enable)
479 {
480 	struct acx_bt_wlan_coex *pta;
481 	int ret;
482 
483 	wl1271_debug(DEBUG_ACX, "acx sg enable");
484 
485 	pta = kzalloc(sizeof(*pta), GFP_KERNEL);
486 	if (!pta) {
487 		ret = -ENOMEM;
488 		goto out;
489 	}
490 
491 	if (enable)
492 		pta->enable = wl->conf.sg.state;
493 	else
494 		pta->enable = CONF_SG_DISABLE;
495 
496 	ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
497 	if (ret < 0) {
498 		wl1271_warning("failed to set softgemini enable: %d", ret);
499 		goto out;
500 	}
501 
502 out:
503 	kfree(pta);
504 	return ret;
505 }
506 
507 int wl12xx_acx_sg_cfg(struct wl1271 *wl)
508 {
509 	struct acx_bt_wlan_coex_param *param;
510 	struct conf_sg_settings *c = &wl->conf.sg;
511 	int i, ret;
512 
513 	wl1271_debug(DEBUG_ACX, "acx sg cfg");
514 
515 	param = kzalloc(sizeof(*param), GFP_KERNEL);
516 	if (!param) {
517 		ret = -ENOMEM;
518 		goto out;
519 	}
520 
521 	/* BT-WLAN coext parameters */
522 	for (i = 0; i < WLCORE_CONF_SG_PARAMS_MAX; i++)
523 		param->params[i] = cpu_to_le32(c->params[i]);
524 	param->param_idx = WLCORE_CONF_SG_PARAMS_ALL;
525 
526 	ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
527 	if (ret < 0) {
528 		wl1271_warning("failed to set sg config: %d", ret);
529 		goto out;
530 	}
531 
532 out:
533 	kfree(param);
534 	return ret;
535 }
536 
537 int wl1271_acx_cca_threshold(struct wl1271 *wl)
538 {
539 	struct acx_energy_detection *detection;
540 	int ret;
541 
542 	wl1271_debug(DEBUG_ACX, "acx cca threshold");
543 
544 	detection = kzalloc(sizeof(*detection), GFP_KERNEL);
545 	if (!detection) {
546 		ret = -ENOMEM;
547 		goto out;
548 	}
549 
550 	detection->rx_cca_threshold = cpu_to_le16(wl->conf.rx.rx_cca_threshold);
551 	detection->tx_energy_detection = wl->conf.tx.tx_energy_detection;
552 
553 	ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
554 				   detection, sizeof(*detection));
555 	if (ret < 0)
556 		wl1271_warning("failed to set cca threshold: %d", ret);
557 
558 out:
559 	kfree(detection);
560 	return ret;
561 }
562 
563 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl, struct wl12xx_vif *wlvif)
564 {
565 	struct acx_beacon_broadcast *bb;
566 	int ret;
567 
568 	wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
569 
570 	bb = kzalloc(sizeof(*bb), GFP_KERNEL);
571 	if (!bb) {
572 		ret = -ENOMEM;
573 		goto out;
574 	}
575 
576 	bb->role_id = wlvif->role_id;
577 	bb->beacon_rx_timeout = cpu_to_le16(wl->conf.conn.beacon_rx_timeout);
578 	bb->broadcast_timeout = cpu_to_le16(wl->conf.conn.broadcast_timeout);
579 	bb->rx_broadcast_in_ps = wl->conf.conn.rx_broadcast_in_ps;
580 	bb->ps_poll_threshold = wl->conf.conn.ps_poll_threshold;
581 
582 	ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
583 	if (ret < 0) {
584 		wl1271_warning("failed to set rx config: %d", ret);
585 		goto out;
586 	}
587 
588 out:
589 	kfree(bb);
590 	return ret;
591 }
592 
593 int wl1271_acx_aid(struct wl1271 *wl, struct wl12xx_vif *wlvif, u16 aid)
594 {
595 	struct acx_aid *acx_aid;
596 	int ret;
597 
598 	wl1271_debug(DEBUG_ACX, "acx aid");
599 
600 	acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
601 	if (!acx_aid) {
602 		ret = -ENOMEM;
603 		goto out;
604 	}
605 
606 	acx_aid->role_id = wlvif->role_id;
607 	acx_aid->aid = cpu_to_le16(aid);
608 
609 	ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
610 	if (ret < 0) {
611 		wl1271_warning("failed to set aid: %d", ret);
612 		goto out;
613 	}
614 
615 out:
616 	kfree(acx_aid);
617 	return ret;
618 }
619 
620 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
621 {
622 	struct acx_event_mask *mask;
623 	int ret;
624 
625 	wl1271_debug(DEBUG_ACX, "acx event mbox mask");
626 
627 	mask = kzalloc(sizeof(*mask), GFP_KERNEL);
628 	if (!mask) {
629 		ret = -ENOMEM;
630 		goto out;
631 	}
632 
633 	/* high event mask is unused */
634 	mask->high_event_mask = cpu_to_le32(0xffffffff);
635 	mask->event_mask = cpu_to_le32(event_mask);
636 
637 	ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
638 				   mask, sizeof(*mask));
639 	if (ret < 0) {
640 		wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
641 		goto out;
642 	}
643 
644 out:
645 	kfree(mask);
646 	return ret;
647 }
648 
649 int wl1271_acx_set_preamble(struct wl1271 *wl, struct wl12xx_vif *wlvif,
650 			    enum acx_preamble_type preamble)
651 {
652 	struct acx_preamble *acx;
653 	int ret;
654 
655 	wl1271_debug(DEBUG_ACX, "acx_set_preamble");
656 
657 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
658 	if (!acx) {
659 		ret = -ENOMEM;
660 		goto out;
661 	}
662 
663 	acx->role_id = wlvif->role_id;
664 	acx->preamble = preamble;
665 
666 	ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
667 	if (ret < 0) {
668 		wl1271_warning("Setting of preamble failed: %d", ret);
669 		goto out;
670 	}
671 
672 out:
673 	kfree(acx);
674 	return ret;
675 }
676 
677 int wl1271_acx_cts_protect(struct wl1271 *wl, struct wl12xx_vif *wlvif,
678 			   enum acx_ctsprotect_type ctsprotect)
679 {
680 	struct acx_ctsprotect *acx;
681 	int ret;
682 
683 	wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
684 
685 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
686 	if (!acx) {
687 		ret = -ENOMEM;
688 		goto out;
689 	}
690 
691 	acx->role_id = wlvif->role_id;
692 	acx->ctsprotect = ctsprotect;
693 
694 	ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
695 	if (ret < 0) {
696 		wl1271_warning("Setting of ctsprotect failed: %d", ret);
697 		goto out;
698 	}
699 
700 out:
701 	kfree(acx);
702 	return ret;
703 }
704 
705 int wl1271_acx_statistics(struct wl1271 *wl, void *stats)
706 {
707 	int ret;
708 
709 	wl1271_debug(DEBUG_ACX, "acx statistics");
710 
711 	ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
712 				     sizeof(struct acx_header),
713 				     wl->stats.fw_stats_len);
714 	if (ret < 0) {
715 		wl1271_warning("acx statistics failed: %d", ret);
716 		return -ENOMEM;
717 	}
718 
719 	return 0;
720 }
721 
722 int wl1271_acx_sta_rate_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif)
723 {
724 	struct acx_rate_policy *acx;
725 	struct conf_tx_rate_class *c = &wl->conf.tx.sta_rc_conf;
726 	int ret = 0;
727 
728 	wl1271_debug(DEBUG_ACX, "acx rate policies");
729 
730 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
731 
732 	if (!acx) {
733 		ret = -ENOMEM;
734 		goto out;
735 	}
736 
737 	wl1271_debug(DEBUG_ACX, "basic_rate: 0x%x, full_rate: 0x%x",
738 		wlvif->basic_rate, wlvif->rate_set);
739 
740 	/* configure one basic rate class */
741 	acx->rate_policy_idx = cpu_to_le32(wlvif->sta.basic_rate_idx);
742 	acx->rate_policy.enabled_rates = cpu_to_le32(wlvif->basic_rate);
743 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
744 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
745 	acx->rate_policy.aflags = c->aflags;
746 
747 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
748 	if (ret < 0) {
749 		wl1271_warning("Setting of rate policies failed: %d", ret);
750 		goto out;
751 	}
752 
753 	/* configure one AP supported rate class */
754 	acx->rate_policy_idx = cpu_to_le32(wlvif->sta.ap_rate_idx);
755 
756 	/* the AP policy is HW specific */
757 	acx->rate_policy.enabled_rates =
758 		cpu_to_le32(wlcore_hw_sta_get_ap_rate_mask(wl, wlvif));
759 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
760 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
761 	acx->rate_policy.aflags = c->aflags;
762 
763 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
764 	if (ret < 0) {
765 		wl1271_warning("Setting of rate policies failed: %d", ret);
766 		goto out;
767 	}
768 
769 	/*
770 	 * configure one rate class for basic p2p operations.
771 	 * (p2p packets should always go out with OFDM rates, even
772 	 * if we are currently connected to 11b AP)
773 	 */
774 	acx->rate_policy_idx = cpu_to_le32(wlvif->sta.p2p_rate_idx);
775 	acx->rate_policy.enabled_rates =
776 				cpu_to_le32(CONF_TX_RATE_MASK_BASIC_P2P);
777 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
778 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
779 	acx->rate_policy.aflags = c->aflags;
780 
781 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
782 	if (ret < 0) {
783 		wl1271_warning("Setting of rate policies failed: %d", ret);
784 		goto out;
785 	}
786 
787 out:
788 	kfree(acx);
789 	return ret;
790 }
791 
792 int wl1271_acx_ap_rate_policy(struct wl1271 *wl, struct conf_tx_rate_class *c,
793 		      u8 idx)
794 {
795 	struct acx_rate_policy *acx;
796 	int ret = 0;
797 
798 	wl1271_debug(DEBUG_ACX, "acx ap rate policy %d rates 0x%x",
799 		     idx, c->enabled_rates);
800 
801 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
802 	if (!acx) {
803 		ret = -ENOMEM;
804 		goto out;
805 	}
806 
807 	acx->rate_policy.enabled_rates = cpu_to_le32(c->enabled_rates);
808 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
809 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
810 	acx->rate_policy.aflags = c->aflags;
811 
812 	acx->rate_policy_idx = cpu_to_le32(idx);
813 
814 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
815 	if (ret < 0) {
816 		wl1271_warning("Setting of ap rate policy failed: %d", ret);
817 		goto out;
818 	}
819 
820 out:
821 	kfree(acx);
822 	return ret;
823 }
824 
825 int wl1271_acx_ac_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif,
826 		      u8 ac, u8 cw_min, u16 cw_max, u8 aifsn, u16 txop)
827 {
828 	struct acx_ac_cfg *acx;
829 	int ret = 0;
830 
831 	wl1271_debug(DEBUG_ACX, "acx ac cfg %d cw_ming %d cw_max %d "
832 		     "aifs %d txop %d", ac, cw_min, cw_max, aifsn, txop);
833 
834 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
835 
836 	if (!acx) {
837 		ret = -ENOMEM;
838 		goto out;
839 	}
840 
841 	acx->role_id = wlvif->role_id;
842 	acx->ac = ac;
843 	acx->cw_min = cw_min;
844 	acx->cw_max = cpu_to_le16(cw_max);
845 	acx->aifsn = aifsn;
846 	acx->tx_op_limit = cpu_to_le16(txop);
847 
848 	ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
849 	if (ret < 0) {
850 		wl1271_warning("acx ac cfg failed: %d", ret);
851 		goto out;
852 	}
853 
854 out:
855 	kfree(acx);
856 	return ret;
857 }
858 
859 int wl1271_acx_tid_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif,
860 		       u8 queue_id, u8 channel_type,
861 		       u8 tsid, u8 ps_scheme, u8 ack_policy,
862 		       u32 apsd_conf0, u32 apsd_conf1)
863 {
864 	struct acx_tid_config *acx;
865 	int ret = 0;
866 
867 	wl1271_debug(DEBUG_ACX, "acx tid config");
868 
869 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
870 
871 	if (!acx) {
872 		ret = -ENOMEM;
873 		goto out;
874 	}
875 
876 	acx->role_id = wlvif->role_id;
877 	acx->queue_id = queue_id;
878 	acx->channel_type = channel_type;
879 	acx->tsid = tsid;
880 	acx->ps_scheme = ps_scheme;
881 	acx->ack_policy = ack_policy;
882 	acx->apsd_conf[0] = cpu_to_le32(apsd_conf0);
883 	acx->apsd_conf[1] = cpu_to_le32(apsd_conf1);
884 
885 	ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
886 	if (ret < 0) {
887 		wl1271_warning("Setting of tid config failed: %d", ret);
888 		goto out;
889 	}
890 
891 out:
892 	kfree(acx);
893 	return ret;
894 }
895 
896 int wl1271_acx_frag_threshold(struct wl1271 *wl, u32 frag_threshold)
897 {
898 	struct acx_frag_threshold *acx;
899 	int ret = 0;
900 
901 	/*
902 	 * If the fragmentation is not configured or out of range, use the
903 	 * default value.
904 	 */
905 	if (frag_threshold > IEEE80211_MAX_FRAG_THRESHOLD)
906 		frag_threshold = wl->conf.tx.frag_threshold;
907 
908 	wl1271_debug(DEBUG_ACX, "acx frag threshold: %d", frag_threshold);
909 
910 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
911 
912 	if (!acx) {
913 		ret = -ENOMEM;
914 		goto out;
915 	}
916 
917 	acx->frag_threshold = cpu_to_le16((u16)frag_threshold);
918 	ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
919 	if (ret < 0) {
920 		wl1271_warning("Setting of frag threshold failed: %d", ret);
921 		goto out;
922 	}
923 
924 out:
925 	kfree(acx);
926 	return ret;
927 }
928 
929 int wl1271_acx_tx_config_options(struct wl1271 *wl)
930 {
931 	struct acx_tx_config_options *acx;
932 	int ret = 0;
933 
934 	wl1271_debug(DEBUG_ACX, "acx tx config options");
935 
936 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
937 
938 	if (!acx) {
939 		ret = -ENOMEM;
940 		goto out;
941 	}
942 
943 	acx->tx_compl_timeout = cpu_to_le16(wl->conf.tx.tx_compl_timeout);
944 	acx->tx_compl_threshold = cpu_to_le16(wl->conf.tx.tx_compl_threshold);
945 	ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
946 	if (ret < 0) {
947 		wl1271_warning("Setting of tx options failed: %d", ret);
948 		goto out;
949 	}
950 
951 out:
952 	kfree(acx);
953 	return ret;
954 }
955 
956 int wl12xx_acx_mem_cfg(struct wl1271 *wl)
957 {
958 	struct wl12xx_acx_config_memory *mem_conf;
959 	struct conf_memory_settings *mem;
960 	int ret;
961 
962 	wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
963 
964 	mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
965 	if (!mem_conf) {
966 		ret = -ENOMEM;
967 		goto out;
968 	}
969 
970 	mem = &wl->conf.mem;
971 
972 	/* memory config */
973 	mem_conf->num_stations = mem->num_stations;
974 	mem_conf->rx_mem_block_num = mem->rx_block_num;
975 	mem_conf->tx_min_mem_block_num = mem->tx_min_block_num;
976 	mem_conf->num_ssid_profiles = mem->ssid_profiles;
977 	mem_conf->total_tx_descriptors = cpu_to_le32(wl->num_tx_desc);
978 	mem_conf->dyn_mem_enable = mem->dynamic_memory;
979 	mem_conf->tx_free_req = mem->min_req_tx_blocks;
980 	mem_conf->rx_free_req = mem->min_req_rx_blocks;
981 	mem_conf->tx_min = mem->tx_min;
982 	mem_conf->fwlog_blocks = wl->conf.fwlog.mem_blocks;
983 
984 	ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
985 				   sizeof(*mem_conf));
986 	if (ret < 0) {
987 		wl1271_warning("wl1271 mem config failed: %d", ret);
988 		goto out;
989 	}
990 
991 out:
992 	kfree(mem_conf);
993 	return ret;
994 }
995 EXPORT_SYMBOL_GPL(wl12xx_acx_mem_cfg);
996 
997 int wl1271_acx_init_mem_config(struct wl1271 *wl)
998 {
999 	int ret;
1000 
1001 	wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
1002 				     GFP_KERNEL);
1003 	if (!wl->target_mem_map) {
1004 		wl1271_error("couldn't allocate target memory map");
1005 		return -ENOMEM;
1006 	}
1007 
1008 	/* we now ask for the firmware built memory map */
1009 	ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
1010 				 sizeof(struct wl1271_acx_mem_map));
1011 	if (ret < 0) {
1012 		wl1271_error("couldn't retrieve firmware memory map");
1013 		kfree(wl->target_mem_map);
1014 		wl->target_mem_map = NULL;
1015 		return ret;
1016 	}
1017 
1018 	/* initialize TX block book keeping */
1019 	wl->tx_blocks_available =
1020 		le32_to_cpu(wl->target_mem_map->num_tx_mem_blocks);
1021 	wl1271_debug(DEBUG_TX, "available tx blocks: %d",
1022 		     wl->tx_blocks_available);
1023 
1024 	return 0;
1025 }
1026 EXPORT_SYMBOL_GPL(wl1271_acx_init_mem_config);
1027 
1028 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
1029 {
1030 	struct wl1271_acx_rx_config_opt *rx_conf;
1031 	int ret;
1032 
1033 	wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
1034 
1035 	rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
1036 	if (!rx_conf) {
1037 		ret = -ENOMEM;
1038 		goto out;
1039 	}
1040 
1041 	rx_conf->threshold = cpu_to_le16(wl->conf.rx.irq_pkt_threshold);
1042 	rx_conf->timeout = cpu_to_le16(wl->conf.rx.irq_timeout);
1043 	rx_conf->mblk_threshold = cpu_to_le16(wl->conf.rx.irq_blk_threshold);
1044 	rx_conf->queue_type = wl->conf.rx.queue_type;
1045 
1046 	ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
1047 				   sizeof(*rx_conf));
1048 	if (ret < 0) {
1049 		wl1271_warning("wl1271 rx config opt failed: %d", ret);
1050 		goto out;
1051 	}
1052 
1053 out:
1054 	kfree(rx_conf);
1055 	return ret;
1056 }
1057 
1058 int wl1271_acx_bet_enable(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1059 			  bool enable)
1060 {
1061 	struct wl1271_acx_bet_enable *acx = NULL;
1062 	int ret = 0;
1063 
1064 	wl1271_debug(DEBUG_ACX, "acx bet enable");
1065 
1066 	if (enable && wl->conf.conn.bet_enable == CONF_BET_MODE_DISABLE)
1067 		goto out;
1068 
1069 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1070 	if (!acx) {
1071 		ret = -ENOMEM;
1072 		goto out;
1073 	}
1074 
1075 	acx->role_id = wlvif->role_id;
1076 	acx->enable = enable ? CONF_BET_MODE_ENABLE : CONF_BET_MODE_DISABLE;
1077 	acx->max_consecutive = wl->conf.conn.bet_max_consecutive;
1078 
1079 	ret = wl1271_cmd_configure(wl, ACX_BET_ENABLE, acx, sizeof(*acx));
1080 	if (ret < 0) {
1081 		wl1271_warning("acx bet enable failed: %d", ret);
1082 		goto out;
1083 	}
1084 
1085 out:
1086 	kfree(acx);
1087 	return ret;
1088 }
1089 
1090 int wl1271_acx_arp_ip_filter(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1091 			     u8 enable, __be32 address)
1092 {
1093 	struct wl1271_acx_arp_filter *acx;
1094 	int ret;
1095 
1096 	wl1271_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable);
1097 
1098 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1099 	if (!acx) {
1100 		ret = -ENOMEM;
1101 		goto out;
1102 	}
1103 
1104 	acx->role_id = wlvif->role_id;
1105 	acx->version = ACX_IPV4_VERSION;
1106 	acx->enable = enable;
1107 
1108 	if (enable)
1109 		memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);
1110 
1111 	ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER,
1112 				   acx, sizeof(*acx));
1113 	if (ret < 0) {
1114 		wl1271_warning("failed to set arp ip filter: %d", ret);
1115 		goto out;
1116 	}
1117 
1118 out:
1119 	kfree(acx);
1120 	return ret;
1121 }
1122 
1123 int wl1271_acx_pm_config(struct wl1271 *wl)
1124 {
1125 	struct wl1271_acx_pm_config *acx = NULL;
1126 	struct  conf_pm_config_settings *c = &wl->conf.pm_config;
1127 	int ret = 0;
1128 
1129 	wl1271_debug(DEBUG_ACX, "acx pm config");
1130 
1131 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1132 	if (!acx) {
1133 		ret = -ENOMEM;
1134 		goto out;
1135 	}
1136 
1137 	acx->host_clk_settling_time = cpu_to_le32(c->host_clk_settling_time);
1138 	acx->host_fast_wakeup_support = c->host_fast_wakeup_support;
1139 
1140 	ret = wl1271_cmd_configure(wl, ACX_PM_CONFIG, acx, sizeof(*acx));
1141 	if (ret < 0) {
1142 		wl1271_warning("acx pm config failed: %d", ret);
1143 		goto out;
1144 	}
1145 
1146 out:
1147 	kfree(acx);
1148 	return ret;
1149 }
1150 EXPORT_SYMBOL_GPL(wl1271_acx_pm_config);
1151 
1152 int wl1271_acx_keep_alive_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1153 			       bool enable)
1154 {
1155 	struct wl1271_acx_keep_alive_mode *acx = NULL;
1156 	int ret = 0;
1157 
1158 	wl1271_debug(DEBUG_ACX, "acx keep alive mode: %d", enable);
1159 
1160 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1161 	if (!acx) {
1162 		ret = -ENOMEM;
1163 		goto out;
1164 	}
1165 
1166 	acx->role_id = wlvif->role_id;
1167 	acx->enabled = enable;
1168 
1169 	ret = wl1271_cmd_configure(wl, ACX_KEEP_ALIVE_MODE, acx, sizeof(*acx));
1170 	if (ret < 0) {
1171 		wl1271_warning("acx keep alive mode failed: %d", ret);
1172 		goto out;
1173 	}
1174 
1175 out:
1176 	kfree(acx);
1177 	return ret;
1178 }
1179 
1180 int wl1271_acx_keep_alive_config(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1181 				 u8 index, u8 tpl_valid)
1182 {
1183 	struct wl1271_acx_keep_alive_config *acx = NULL;
1184 	int ret = 0;
1185 
1186 	wl1271_debug(DEBUG_ACX, "acx keep alive config");
1187 
1188 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1189 	if (!acx) {
1190 		ret = -ENOMEM;
1191 		goto out;
1192 	}
1193 
1194 	acx->role_id = wlvif->role_id;
1195 	acx->period = cpu_to_le32(wl->conf.conn.keep_alive_interval);
1196 	acx->index = index;
1197 	acx->tpl_validation = tpl_valid;
1198 	acx->trigger = ACX_KEEP_ALIVE_NO_TX;
1199 
1200 	ret = wl1271_cmd_configure(wl, ACX_SET_KEEP_ALIVE_CONFIG,
1201 				   acx, sizeof(*acx));
1202 	if (ret < 0) {
1203 		wl1271_warning("acx keep alive config failed: %d", ret);
1204 		goto out;
1205 	}
1206 
1207 out:
1208 	kfree(acx);
1209 	return ret;
1210 }
1211 
1212 int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1213 				bool enable, s16 thold, u8 hyst)
1214 {
1215 	struct wl1271_acx_rssi_snr_trigger *acx = NULL;
1216 	int ret = 0;
1217 
1218 	wl1271_debug(DEBUG_ACX, "acx rssi snr trigger");
1219 
1220 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1221 	if (!acx) {
1222 		ret = -ENOMEM;
1223 		goto out;
1224 	}
1225 
1226 	wlvif->last_rssi_event = -1;
1227 
1228 	acx->role_id = wlvif->role_id;
1229 	acx->pacing = cpu_to_le16(wl->conf.roam_trigger.trigger_pacing);
1230 	acx->metric = WL1271_ACX_TRIG_METRIC_RSSI_BEACON;
1231 	acx->type = WL1271_ACX_TRIG_TYPE_EDGE;
1232 	if (enable)
1233 		acx->enable = WL1271_ACX_TRIG_ENABLE;
1234 	else
1235 		acx->enable = WL1271_ACX_TRIG_DISABLE;
1236 
1237 	acx->index = WL1271_ACX_TRIG_IDX_RSSI;
1238 	acx->dir = WL1271_ACX_TRIG_DIR_BIDIR;
1239 	acx->threshold = cpu_to_le16(thold);
1240 	acx->hysteresis = hyst;
1241 
1242 	ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_TRIGGER, acx, sizeof(*acx));
1243 	if (ret < 0) {
1244 		wl1271_warning("acx rssi snr trigger setting failed: %d", ret);
1245 		goto out;
1246 	}
1247 
1248 out:
1249 	kfree(acx);
1250 	return ret;
1251 }
1252 
1253 int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl,
1254 				    struct wl12xx_vif *wlvif)
1255 {
1256 	struct wl1271_acx_rssi_snr_avg_weights *acx = NULL;
1257 	struct conf_roam_trigger_settings *c = &wl->conf.roam_trigger;
1258 	int ret = 0;
1259 
1260 	wl1271_debug(DEBUG_ACX, "acx rssi snr avg weights");
1261 
1262 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1263 	if (!acx) {
1264 		ret = -ENOMEM;
1265 		goto out;
1266 	}
1267 
1268 	acx->role_id = wlvif->role_id;
1269 	acx->rssi_beacon = c->avg_weight_rssi_beacon;
1270 	acx->rssi_data = c->avg_weight_rssi_data;
1271 	acx->snr_beacon = c->avg_weight_snr_beacon;
1272 	acx->snr_data = c->avg_weight_snr_data;
1273 
1274 	ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_WEIGHTS, acx, sizeof(*acx));
1275 	if (ret < 0) {
1276 		wl1271_warning("acx rssi snr trigger weights failed: %d", ret);
1277 		goto out;
1278 	}
1279 
1280 out:
1281 	kfree(acx);
1282 	return ret;
1283 }
1284 
1285 int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
1286 				    struct ieee80211_sta_ht_cap *ht_cap,
1287 				    bool allow_ht_operation, u8 hlid)
1288 {
1289 	struct wl1271_acx_ht_capabilities *acx;
1290 	int ret = 0;
1291 	u32 ht_capabilites = 0;
1292 
1293 	wl1271_debug(DEBUG_ACX, "acx ht capabilities setting "
1294 		     "sta supp: %d sta cap: %d", ht_cap->ht_supported,
1295 		     ht_cap->cap);
1296 
1297 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1298 	if (!acx) {
1299 		ret = -ENOMEM;
1300 		goto out;
1301 	}
1302 
1303 	if (allow_ht_operation && ht_cap->ht_supported) {
1304 		/* no need to translate capabilities - use the spec values */
1305 		ht_capabilites = ht_cap->cap;
1306 
1307 		/*
1308 		 * this bit is not employed by the spec but only by FW to
1309 		 * indicate peer HT support
1310 		 */
1311 		ht_capabilites |= WL12XX_HT_CAP_HT_OPERATION;
1312 
1313 		/* get data from A-MPDU parameters field */
1314 		acx->ampdu_max_length = ht_cap->ampdu_factor;
1315 		acx->ampdu_min_spacing = ht_cap->ampdu_density;
1316 	}
1317 
1318 	acx->hlid = hlid;
1319 	acx->ht_capabilites = cpu_to_le32(ht_capabilites);
1320 
1321 	ret = wl1271_cmd_configure(wl, ACX_PEER_HT_CAP, acx, sizeof(*acx));
1322 	if (ret < 0) {
1323 		wl1271_warning("acx ht capabilities setting failed: %d", ret);
1324 		goto out;
1325 	}
1326 
1327 out:
1328 	kfree(acx);
1329 	return ret;
1330 }
1331 EXPORT_SYMBOL_GPL(wl1271_acx_set_ht_capabilities);
1332 
1333 
1334 int wl1271_acx_set_ht_information(struct wl1271 *wl,
1335 				   struct wl12xx_vif *wlvif,
1336 				   u16 ht_operation_mode)
1337 {
1338 	struct wl1271_acx_ht_information *acx;
1339 	int ret = 0;
1340 
1341 	wl1271_debug(DEBUG_ACX, "acx ht information setting");
1342 
1343 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1344 	if (!acx) {
1345 		ret = -ENOMEM;
1346 		goto out;
1347 	}
1348 
1349 	acx->role_id = wlvif->role_id;
1350 	acx->ht_protection =
1351 		(u8)(ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION);
1352 	acx->rifs_mode = 0;
1353 	acx->gf_protection =
1354 		!!(ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1355 	acx->ht_tx_burst_limit = 0;
1356 	acx->dual_cts_protection = 0;
1357 
1358 	ret = wl1271_cmd_configure(wl, ACX_HT_BSS_OPERATION, acx, sizeof(*acx));
1359 
1360 	if (ret < 0) {
1361 		wl1271_warning("acx ht information setting failed: %d", ret);
1362 		goto out;
1363 	}
1364 
1365 out:
1366 	kfree(acx);
1367 	return ret;
1368 }
1369 
1370 /* Configure BA session initiator/receiver parameters setting in the FW. */
1371 int wl12xx_acx_set_ba_initiator_policy(struct wl1271 *wl,
1372 				       struct wl12xx_vif *wlvif)
1373 {
1374 	struct wl1271_acx_ba_initiator_policy *acx;
1375 	int ret;
1376 
1377 	wl1271_debug(DEBUG_ACX, "acx ba initiator policy");
1378 
1379 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1380 	if (!acx) {
1381 		ret = -ENOMEM;
1382 		goto out;
1383 	}
1384 
1385 	/* set for the current role */
1386 	acx->role_id = wlvif->role_id;
1387 	acx->tid_bitmap = wl->conf.ht.tx_ba_tid_bitmap;
1388 	acx->win_size = wl->conf.ht.tx_ba_win_size;
1389 	acx->inactivity_timeout = wl->conf.ht.inactivity_timeout;
1390 
1391 	ret = wl1271_cmd_configure(wl,
1392 				   ACX_BA_SESSION_INIT_POLICY,
1393 				   acx,
1394 				   sizeof(*acx));
1395 	if (ret < 0) {
1396 		wl1271_warning("acx ba initiator policy failed: %d", ret);
1397 		goto out;
1398 	}
1399 
1400 out:
1401 	kfree(acx);
1402 	return ret;
1403 }
1404 
1405 /* setup BA session receiver setting in the FW. */
1406 int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index,
1407 				       u16 ssn, bool enable, u8 peer_hlid,
1408 				       u8 win_size)
1409 {
1410 	struct wl1271_acx_ba_receiver_setup *acx;
1411 	int ret;
1412 
1413 	wl1271_debug(DEBUG_ACX, "acx ba receiver session setting");
1414 
1415 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1416 	if (!acx) {
1417 		ret = -ENOMEM;
1418 		goto out;
1419 	}
1420 
1421 	acx->hlid = peer_hlid;
1422 	acx->tid = tid_index;
1423 	acx->enable = enable;
1424 	acx->win_size =	win_size;
1425 	acx->ssn = ssn;
1426 
1427 	ret = wlcore_cmd_configure_failsafe(wl, ACX_BA_SESSION_RX_SETUP, acx,
1428 					    sizeof(*acx),
1429 					    BIT(CMD_STATUS_NO_RX_BA_SESSION));
1430 	if (ret < 0) {
1431 		wl1271_warning("acx ba receiver session failed: %d", ret);
1432 		goto out;
1433 	}
1434 
1435 	/* sometimes we can't start the session */
1436 	if (ret == CMD_STATUS_NO_RX_BA_SESSION) {
1437 		wl1271_warning("no fw rx ba on tid %d", tid_index);
1438 		ret = -EBUSY;
1439 		goto out;
1440 	}
1441 
1442 	ret = 0;
1443 out:
1444 	kfree(acx);
1445 	return ret;
1446 }
1447 
1448 int wl12xx_acx_tsf_info(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1449 			u64 *mactime)
1450 {
1451 	struct wl12xx_acx_fw_tsf_information *tsf_info;
1452 	int ret;
1453 
1454 	tsf_info = kzalloc(sizeof(*tsf_info), GFP_KERNEL);
1455 	if (!tsf_info) {
1456 		ret = -ENOMEM;
1457 		goto out;
1458 	}
1459 
1460 	tsf_info->role_id = wlvif->role_id;
1461 
1462 	ret = wl1271_cmd_interrogate(wl, ACX_TSF_INFO, tsf_info,
1463 				sizeof(struct acx_header), sizeof(*tsf_info));
1464 	if (ret < 0) {
1465 		wl1271_warning("acx tsf info interrogate failed");
1466 		goto out;
1467 	}
1468 
1469 	*mactime = le32_to_cpu(tsf_info->current_tsf_low) |
1470 		((u64) le32_to_cpu(tsf_info->current_tsf_high) << 32);
1471 
1472 out:
1473 	kfree(tsf_info);
1474 	return ret;
1475 }
1476 
1477 int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1478 			       bool enable)
1479 {
1480 	struct wl1271_acx_ps_rx_streaming *rx_streaming;
1481 	u32 conf_queues, enable_queues;
1482 	int i, ret = 0;
1483 
1484 	wl1271_debug(DEBUG_ACX, "acx ps rx streaming");
1485 
1486 	rx_streaming = kzalloc(sizeof(*rx_streaming), GFP_KERNEL);
1487 	if (!rx_streaming) {
1488 		ret = -ENOMEM;
1489 		goto out;
1490 	}
1491 
1492 	conf_queues = wl->conf.rx_streaming.queues;
1493 	if (enable)
1494 		enable_queues = conf_queues;
1495 	else
1496 		enable_queues = 0;
1497 
1498 	for (i = 0; i < 8; i++) {
1499 		/*
1500 		 * Skip non-changed queues, to avoid redundant acxs.
1501 		 * this check assumes conf.rx_streaming.queues can't
1502 		 * be changed while rx_streaming is enabled.
1503 		 */
1504 		if (!(conf_queues & BIT(i)))
1505 			continue;
1506 
1507 		rx_streaming->role_id = wlvif->role_id;
1508 		rx_streaming->tid = i;
1509 		rx_streaming->enable = enable_queues & BIT(i);
1510 		rx_streaming->period = wl->conf.rx_streaming.interval;
1511 		rx_streaming->timeout = wl->conf.rx_streaming.interval;
1512 
1513 		ret = wl1271_cmd_configure(wl, ACX_PS_RX_STREAMING,
1514 					   rx_streaming,
1515 					   sizeof(*rx_streaming));
1516 		if (ret < 0) {
1517 			wl1271_warning("acx ps rx streaming failed: %d", ret);
1518 			goto out;
1519 		}
1520 	}
1521 out:
1522 	kfree(rx_streaming);
1523 	return ret;
1524 }
1525 
1526 int wl1271_acx_ap_max_tx_retry(struct wl1271 *wl, struct wl12xx_vif *wlvif)
1527 {
1528 	struct wl1271_acx_ap_max_tx_retry *acx = NULL;
1529 	int ret;
1530 
1531 	wl1271_debug(DEBUG_ACX, "acx ap max tx retry");
1532 
1533 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1534 	if (!acx)
1535 		return -ENOMEM;
1536 
1537 	acx->role_id = wlvif->role_id;
1538 	acx->max_tx_retry = cpu_to_le16(wl->conf.tx.max_tx_retries);
1539 
1540 	ret = wl1271_cmd_configure(wl, ACX_MAX_TX_FAILURE, acx, sizeof(*acx));
1541 	if (ret < 0) {
1542 		wl1271_warning("acx ap max tx retry failed: %d", ret);
1543 		goto out;
1544 	}
1545 
1546 out:
1547 	kfree(acx);
1548 	return ret;
1549 }
1550 
1551 int wl12xx_acx_config_ps(struct wl1271 *wl, struct wl12xx_vif *wlvif)
1552 {
1553 	struct wl1271_acx_config_ps *config_ps;
1554 	int ret;
1555 
1556 	wl1271_debug(DEBUG_ACX, "acx config ps");
1557 
1558 	config_ps = kzalloc(sizeof(*config_ps), GFP_KERNEL);
1559 	if (!config_ps) {
1560 		ret = -ENOMEM;
1561 		goto out;
1562 	}
1563 
1564 	config_ps->exit_retries = wl->conf.conn.psm_exit_retries;
1565 	config_ps->enter_retries = wl->conf.conn.psm_entry_retries;
1566 	config_ps->null_data_rate = cpu_to_le32(wlvif->basic_rate);
1567 
1568 	ret = wl1271_cmd_configure(wl, ACX_CONFIG_PS, config_ps,
1569 				   sizeof(*config_ps));
1570 
1571 	if (ret < 0) {
1572 		wl1271_warning("acx config ps failed: %d", ret);
1573 		goto out;
1574 	}
1575 
1576 out:
1577 	kfree(config_ps);
1578 	return ret;
1579 }
1580 
1581 int wl1271_acx_set_inconnection_sta(struct wl1271 *wl,
1582 				    struct wl12xx_vif *wlvif, u8 *addr)
1583 {
1584 	struct wl1271_acx_inconnection_sta *acx = NULL;
1585 	int ret;
1586 
1587 	wl1271_debug(DEBUG_ACX, "acx set inconnaction sta %pM", addr);
1588 
1589 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1590 	if (!acx)
1591 		return -ENOMEM;
1592 
1593 	memcpy(acx->addr, addr, ETH_ALEN);
1594 	acx->role_id = wlvif->role_id;
1595 
1596 	ret = wl1271_cmd_configure(wl, ACX_UPDATE_INCONNECTION_STA_LIST,
1597 				   acx, sizeof(*acx));
1598 	if (ret < 0) {
1599 		wl1271_warning("acx set inconnaction sta failed: %d", ret);
1600 		goto out;
1601 	}
1602 
1603 out:
1604 	kfree(acx);
1605 	return ret;
1606 }
1607 
1608 int wl1271_acx_fm_coex(struct wl1271 *wl)
1609 {
1610 	struct wl1271_acx_fm_coex *acx;
1611 	int ret;
1612 
1613 	wl1271_debug(DEBUG_ACX, "acx fm coex setting");
1614 
1615 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1616 	if (!acx) {
1617 		ret = -ENOMEM;
1618 		goto out;
1619 	}
1620 
1621 	acx->enable = wl->conf.fm_coex.enable;
1622 	acx->swallow_period = wl->conf.fm_coex.swallow_period;
1623 	acx->n_divider_fref_set_1 = wl->conf.fm_coex.n_divider_fref_set_1;
1624 	acx->n_divider_fref_set_2 = wl->conf.fm_coex.n_divider_fref_set_2;
1625 	acx->m_divider_fref_set_1 =
1626 		cpu_to_le16(wl->conf.fm_coex.m_divider_fref_set_1);
1627 	acx->m_divider_fref_set_2 =
1628 		cpu_to_le16(wl->conf.fm_coex.m_divider_fref_set_2);
1629 	acx->coex_pll_stabilization_time =
1630 		cpu_to_le32(wl->conf.fm_coex.coex_pll_stabilization_time);
1631 	acx->ldo_stabilization_time =
1632 		cpu_to_le16(wl->conf.fm_coex.ldo_stabilization_time);
1633 	acx->fm_disturbed_band_margin =
1634 		wl->conf.fm_coex.fm_disturbed_band_margin;
1635 	acx->swallow_clk_diff = wl->conf.fm_coex.swallow_clk_diff;
1636 
1637 	ret = wl1271_cmd_configure(wl, ACX_FM_COEX_CFG, acx, sizeof(*acx));
1638 	if (ret < 0) {
1639 		wl1271_warning("acx fm coex setting failed: %d", ret);
1640 		goto out;
1641 	}
1642 
1643 out:
1644 	kfree(acx);
1645 	return ret;
1646 }
1647 
1648 int wl12xx_acx_set_rate_mgmt_params(struct wl1271 *wl)
1649 {
1650 	struct wl12xx_acx_set_rate_mgmt_params *acx = NULL;
1651 	struct conf_rate_policy_settings *conf = &wl->conf.rate;
1652 	int ret;
1653 
1654 	wl1271_debug(DEBUG_ACX, "acx set rate mgmt params");
1655 
1656 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1657 	if (!acx)
1658 		return -ENOMEM;
1659 
1660 	acx->index = ACX_RATE_MGMT_ALL_PARAMS;
1661 	acx->rate_retry_score = cpu_to_le16(conf->rate_retry_score);
1662 	acx->per_add = cpu_to_le16(conf->per_add);
1663 	acx->per_th1 = cpu_to_le16(conf->per_th1);
1664 	acx->per_th2 = cpu_to_le16(conf->per_th2);
1665 	acx->max_per = cpu_to_le16(conf->max_per);
1666 	acx->inverse_curiosity_factor = conf->inverse_curiosity_factor;
1667 	acx->tx_fail_low_th = conf->tx_fail_low_th;
1668 	acx->tx_fail_high_th = conf->tx_fail_high_th;
1669 	acx->per_alpha_shift = conf->per_alpha_shift;
1670 	acx->per_add_shift = conf->per_add_shift;
1671 	acx->per_beta1_shift = conf->per_beta1_shift;
1672 	acx->per_beta2_shift = conf->per_beta2_shift;
1673 	acx->rate_check_up = conf->rate_check_up;
1674 	acx->rate_check_down = conf->rate_check_down;
1675 	memcpy(acx->rate_retry_policy, conf->rate_retry_policy,
1676 	       sizeof(acx->rate_retry_policy));
1677 
1678 	ret = wl1271_cmd_configure(wl, ACX_SET_RATE_MGMT_PARAMS,
1679 				   acx, sizeof(*acx));
1680 	if (ret < 0) {
1681 		wl1271_warning("acx set rate mgmt params failed: %d", ret);
1682 		goto out;
1683 	}
1684 
1685 out:
1686 	kfree(acx);
1687 	return ret;
1688 }
1689 
1690 int wl12xx_acx_config_hangover(struct wl1271 *wl)
1691 {
1692 	struct wl12xx_acx_config_hangover *acx;
1693 	struct conf_hangover_settings *conf = &wl->conf.hangover;
1694 	int ret;
1695 
1696 	wl1271_debug(DEBUG_ACX, "acx config hangover");
1697 
1698 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1699 	if (!acx) {
1700 		ret = -ENOMEM;
1701 		goto out;
1702 	}
1703 
1704 	acx->recover_time = cpu_to_le32(conf->recover_time);
1705 	acx->hangover_period = conf->hangover_period;
1706 	acx->dynamic_mode = conf->dynamic_mode;
1707 	acx->early_termination_mode = conf->early_termination_mode;
1708 	acx->max_period = conf->max_period;
1709 	acx->min_period = conf->min_period;
1710 	acx->increase_delta = conf->increase_delta;
1711 	acx->decrease_delta = conf->decrease_delta;
1712 	acx->quiet_time = conf->quiet_time;
1713 	acx->increase_time = conf->increase_time;
1714 	acx->window_size = conf->window_size;
1715 
1716 	ret = wl1271_cmd_configure(wl, ACX_CONFIG_HANGOVER, acx,
1717 				   sizeof(*acx));
1718 
1719 	if (ret < 0) {
1720 		wl1271_warning("acx config hangover failed: %d", ret);
1721 		goto out;
1722 	}
1723 
1724 out:
1725 	kfree(acx);
1726 	return ret;
1727 
1728 }
1729 
1730 int wlcore_acx_average_rssi(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1731 			    s8 *avg_rssi)
1732 {
1733 	struct acx_roaming_stats *acx;
1734 	int ret = 0;
1735 
1736 	wl1271_debug(DEBUG_ACX, "acx roaming statistics");
1737 
1738 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1739 	if (!acx) {
1740 		ret = -ENOMEM;
1741 		goto out;
1742 	}
1743 
1744 	acx->role_id = wlvif->role_id;
1745 	ret = wl1271_cmd_interrogate(wl, ACX_ROAMING_STATISTICS_TBL,
1746 				     acx, sizeof(*acx), sizeof(*acx));
1747 	if (ret	< 0) {
1748 		wl1271_warning("acx roaming statistics failed: %d", ret);
1749 		ret = -ENOMEM;
1750 		goto out;
1751 	}
1752 
1753 	*avg_rssi = acx->rssi_beacon;
1754 out:
1755 	kfree(acx);
1756 	return ret;
1757 }
1758 
1759 #ifdef CONFIG_PM
1760 /* Set the global behaviour of RX filters - On/Off + default action */
1761 int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable,
1762 					enum rx_filter_action action)
1763 {
1764 	struct acx_default_rx_filter *acx;
1765 	int ret;
1766 
1767 	wl1271_debug(DEBUG_ACX, "acx default rx filter en: %d act: %d",
1768 		     enable, action);
1769 
1770 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1771 	if (!acx)
1772 		return -ENOMEM;
1773 
1774 	acx->enable = enable;
1775 	acx->default_action = action;
1776 
1777 	ret = wl1271_cmd_configure(wl, ACX_ENABLE_RX_DATA_FILTER, acx,
1778 				   sizeof(*acx));
1779 	if (ret < 0) {
1780 		wl1271_warning("acx default rx filter enable failed: %d", ret);
1781 		goto out;
1782 	}
1783 
1784 out:
1785 	kfree(acx);
1786 	return ret;
1787 }
1788 
1789 /* Configure or disable a specific RX filter pattern */
1790 int wl1271_acx_set_rx_filter(struct wl1271 *wl, u8 index, bool enable,
1791 			     struct wl12xx_rx_filter *filter)
1792 {
1793 	struct acx_rx_filter_cfg *acx;
1794 	int fields_size = 0;
1795 	int acx_size;
1796 	int ret;
1797 
1798 	WARN_ON(enable && !filter);
1799 	WARN_ON(index >= WL1271_MAX_RX_FILTERS);
1800 
1801 	wl1271_debug(DEBUG_ACX,
1802 		     "acx set rx filter idx: %d enable: %d filter: %p",
1803 		     index, enable, filter);
1804 
1805 	if (enable) {
1806 		fields_size = wl1271_rx_filter_get_fields_size(filter);
1807 
1808 		wl1271_debug(DEBUG_ACX, "act: %d num_fields: %d field_size: %d",
1809 		      filter->action, filter->num_fields, fields_size);
1810 	}
1811 
1812 	acx_size = ALIGN(sizeof(*acx) + fields_size, 4);
1813 	acx = kzalloc(acx_size, GFP_KERNEL);
1814 
1815 	if (!acx)
1816 		return -ENOMEM;
1817 
1818 	acx->enable = enable;
1819 	acx->index = index;
1820 
1821 	if (enable) {
1822 		acx->num_fields = filter->num_fields;
1823 		acx->action = filter->action;
1824 		wl1271_rx_filter_flatten_fields(filter, acx->fields);
1825 	}
1826 
1827 	wl1271_dump(DEBUG_ACX, "RX_FILTER: ", acx, acx_size);
1828 
1829 	ret = wl1271_cmd_configure(wl, ACX_SET_RX_DATA_FILTER, acx, acx_size);
1830 	if (ret < 0) {
1831 		wl1271_warning("setting rx filter failed: %d", ret);
1832 		goto out;
1833 	}
1834 
1835 out:
1836 	kfree(acx);
1837 	return ret;
1838 }
1839 #endif /* CONFIG_PM */
1840