xref: /linux/drivers/net/wireless/ti/wlcore/acx.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * This file is part of wl1271
3  *
4  * Copyright (C) 2008-2009 Nokia Corporation
5  *
6  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * version 2 as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA
21  *
22  */
23 
24 #include "acx.h"
25 
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/slab.h>
30 
31 #include "wlcore.h"
32 #include "debug.h"
33 #include "wl12xx_80211.h"
34 #include "ps.h"
35 #include "hw_ops.h"
36 
37 int wl1271_acx_wake_up_conditions(struct wl1271 *wl, struct wl12xx_vif *wlvif,
38 				  u8 wake_up_event, u8 listen_interval)
39 {
40 	struct acx_wake_up_condition *wake_up;
41 	int ret;
42 
43 	wl1271_debug(DEBUG_ACX, "acx wake up conditions (wake_up_event %d listen_interval %d)",
44 		     wake_up_event, listen_interval);
45 
46 	wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
47 	if (!wake_up) {
48 		ret = -ENOMEM;
49 		goto out;
50 	}
51 
52 	wake_up->role_id = wlvif->role_id;
53 	wake_up->wake_up_event = wake_up_event;
54 	wake_up->listen_interval = listen_interval;
55 
56 	ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
57 				   wake_up, sizeof(*wake_up));
58 	if (ret < 0) {
59 		wl1271_warning("could not set wake up conditions: %d", ret);
60 		goto out;
61 	}
62 
63 out:
64 	kfree(wake_up);
65 	return ret;
66 }
67 
68 int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
69 {
70 	struct acx_sleep_auth *auth;
71 	int ret;
72 
73 	wl1271_debug(DEBUG_ACX, "acx sleep auth %d", sleep_auth);
74 
75 	auth = kzalloc(sizeof(*auth), GFP_KERNEL);
76 	if (!auth) {
77 		ret = -ENOMEM;
78 		goto out;
79 	}
80 
81 	auth->sleep_auth = sleep_auth;
82 
83 	ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
84 	if (ret < 0) {
85 		wl1271_error("could not configure sleep_auth to %d: %d",
86 			     sleep_auth, ret);
87 		goto out;
88 	}
89 
90 	wl->sleep_auth = sleep_auth;
91 out:
92 	kfree(auth);
93 	return ret;
94 }
95 EXPORT_SYMBOL_GPL(wl1271_acx_sleep_auth);
96 
97 int wl1271_acx_tx_power(struct wl1271 *wl, struct wl12xx_vif *wlvif,
98 			int power)
99 {
100 	struct acx_current_tx_power *acx;
101 	int ret;
102 
103 	wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr %d", power);
104 
105 	if (power < 0 || power > 25)
106 		return -EINVAL;
107 
108 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
109 	if (!acx) {
110 		ret = -ENOMEM;
111 		goto out;
112 	}
113 
114 	acx->role_id = wlvif->role_id;
115 	acx->current_tx_power = power * 10;
116 
117 	ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
118 	if (ret < 0) {
119 		wl1271_warning("configure of tx power failed: %d", ret);
120 		goto out;
121 	}
122 
123 out:
124 	kfree(acx);
125 	return ret;
126 }
127 
128 int wl1271_acx_feature_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif)
129 {
130 	struct acx_feature_config *feature;
131 	int ret;
132 
133 	wl1271_debug(DEBUG_ACX, "acx feature cfg");
134 
135 	feature = kzalloc(sizeof(*feature), GFP_KERNEL);
136 	if (!feature) {
137 		ret = -ENOMEM;
138 		goto out;
139 	}
140 
141 	/* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
142 	feature->role_id = wlvif->role_id;
143 	feature->data_flow_options = 0;
144 	feature->options = 0;
145 
146 	ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG,
147 				   feature, sizeof(*feature));
148 	if (ret < 0) {
149 		wl1271_error("Couldnt set HW encryption");
150 		goto out;
151 	}
152 
153 out:
154 	kfree(feature);
155 	return ret;
156 }
157 
158 int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
159 		       size_t len)
160 {
161 	int ret;
162 
163 	wl1271_debug(DEBUG_ACX, "acx mem map");
164 
165 	ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map,
166 				     sizeof(struct acx_header), len);
167 	if (ret < 0)
168 		return ret;
169 
170 	return 0;
171 }
172 
173 int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl)
174 {
175 	struct acx_rx_msdu_lifetime *acx;
176 	int ret;
177 
178 	wl1271_debug(DEBUG_ACX, "acx rx msdu life time");
179 
180 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
181 	if (!acx) {
182 		ret = -ENOMEM;
183 		goto out;
184 	}
185 
186 	acx->lifetime = cpu_to_le32(wl->conf.rx.rx_msdu_life_time);
187 	ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
188 				   acx, sizeof(*acx));
189 	if (ret < 0) {
190 		wl1271_warning("failed to set rx msdu life time: %d", ret);
191 		goto out;
192 	}
193 
194 out:
195 	kfree(acx);
196 	return ret;
197 }
198 
199 int wl1271_acx_slot(struct wl1271 *wl, struct wl12xx_vif *wlvif,
200 		    enum acx_slot_type slot_time)
201 {
202 	struct acx_slot *slot;
203 	int ret;
204 
205 	wl1271_debug(DEBUG_ACX, "acx slot");
206 
207 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
208 	if (!slot) {
209 		ret = -ENOMEM;
210 		goto out;
211 	}
212 
213 	slot->role_id = wlvif->role_id;
214 	slot->wone_index = STATION_WONE_INDEX;
215 	slot->slot_time = slot_time;
216 
217 	ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
218 	if (ret < 0) {
219 		wl1271_warning("failed to set slot time: %d", ret);
220 		goto out;
221 	}
222 
223 out:
224 	kfree(slot);
225 	return ret;
226 }
227 
228 int wl1271_acx_group_address_tbl(struct wl1271 *wl, struct wl12xx_vif *wlvif,
229 				 bool enable, void *mc_list, u32 mc_list_len)
230 {
231 	struct acx_dot11_grp_addr_tbl *acx;
232 	int ret;
233 
234 	wl1271_debug(DEBUG_ACX, "acx group address tbl");
235 
236 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
237 	if (!acx) {
238 		ret = -ENOMEM;
239 		goto out;
240 	}
241 
242 	/* MAC filtering */
243 	acx->role_id = wlvif->role_id;
244 	acx->enabled = enable;
245 	acx->num_groups = mc_list_len;
246 	memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);
247 
248 	ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
249 				   acx, sizeof(*acx));
250 	if (ret < 0) {
251 		wl1271_warning("failed to set group addr table: %d", ret);
252 		goto out;
253 	}
254 
255 out:
256 	kfree(acx);
257 	return ret;
258 }
259 
260 int wl1271_acx_service_period_timeout(struct wl1271 *wl,
261 				      struct wl12xx_vif *wlvif)
262 {
263 	struct acx_rx_timeout *rx_timeout;
264 	int ret;
265 
266 	rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
267 	if (!rx_timeout) {
268 		ret = -ENOMEM;
269 		goto out;
270 	}
271 
272 	wl1271_debug(DEBUG_ACX, "acx service period timeout");
273 
274 	rx_timeout->role_id = wlvif->role_id;
275 	rx_timeout->ps_poll_timeout = cpu_to_le16(wl->conf.rx.ps_poll_timeout);
276 	rx_timeout->upsd_timeout = cpu_to_le16(wl->conf.rx.upsd_timeout);
277 
278 	ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
279 				   rx_timeout, sizeof(*rx_timeout));
280 	if (ret < 0) {
281 		wl1271_warning("failed to set service period timeout: %d",
282 			       ret);
283 		goto out;
284 	}
285 
286 out:
287 	kfree(rx_timeout);
288 	return ret;
289 }
290 
291 int wl1271_acx_rts_threshold(struct wl1271 *wl, struct wl12xx_vif *wlvif,
292 			     u32 rts_threshold)
293 {
294 	struct acx_rts_threshold *rts;
295 	int ret;
296 
297 	/*
298 	 * If the RTS threshold is not configured or out of range, use the
299 	 * default value.
300 	 */
301 	if (rts_threshold > IEEE80211_MAX_RTS_THRESHOLD)
302 		rts_threshold = wl->conf.rx.rts_threshold;
303 
304 	wl1271_debug(DEBUG_ACX, "acx rts threshold: %d", rts_threshold);
305 
306 	rts = kzalloc(sizeof(*rts), GFP_KERNEL);
307 	if (!rts) {
308 		ret = -ENOMEM;
309 		goto out;
310 	}
311 
312 	rts->role_id = wlvif->role_id;
313 	rts->threshold = cpu_to_le16((u16)rts_threshold);
314 
315 	ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
316 	if (ret < 0) {
317 		wl1271_warning("failed to set rts threshold: %d", ret);
318 		goto out;
319 	}
320 
321 out:
322 	kfree(rts);
323 	return ret;
324 }
325 
326 int wl1271_acx_dco_itrim_params(struct wl1271 *wl)
327 {
328 	struct acx_dco_itrim_params *dco;
329 	struct conf_itrim_settings *c = &wl->conf.itrim;
330 	int ret;
331 
332 	wl1271_debug(DEBUG_ACX, "acx dco itrim parameters");
333 
334 	dco = kzalloc(sizeof(*dco), GFP_KERNEL);
335 	if (!dco) {
336 		ret = -ENOMEM;
337 		goto out;
338 	}
339 
340 	dco->enable = c->enable;
341 	dco->timeout = cpu_to_le32(c->timeout);
342 
343 	ret = wl1271_cmd_configure(wl, ACX_SET_DCO_ITRIM_PARAMS,
344 				   dco, sizeof(*dco));
345 	if (ret < 0) {
346 		wl1271_warning("failed to set dco itrim parameters: %d", ret);
347 		goto out;
348 	}
349 
350 out:
351 	kfree(dco);
352 	return ret;
353 }
354 
355 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, struct wl12xx_vif *wlvif,
356 				 bool enable_filter)
357 {
358 	struct acx_beacon_filter_option *beacon_filter = NULL;
359 	int ret = 0;
360 
361 	wl1271_debug(DEBUG_ACX, "acx beacon filter opt enable=%d",
362 		     enable_filter);
363 
364 	if (enable_filter &&
365 	    wl->conf.conn.bcn_filt_mode == CONF_BCN_FILT_MODE_DISABLED)
366 		goto out;
367 
368 	beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
369 	if (!beacon_filter) {
370 		ret = -ENOMEM;
371 		goto out;
372 	}
373 
374 	beacon_filter->role_id = wlvif->role_id;
375 	beacon_filter->enable = enable_filter;
376 
377 	/*
378 	 * When set to zero, and the filter is enabled, beacons
379 	 * without the unicast TIM bit set are dropped.
380 	 */
381 	beacon_filter->max_num_beacons = 0;
382 
383 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
384 				   beacon_filter, sizeof(*beacon_filter));
385 	if (ret < 0) {
386 		wl1271_warning("failed to set beacon filter opt: %d", ret);
387 		goto out;
388 	}
389 
390 out:
391 	kfree(beacon_filter);
392 	return ret;
393 }
394 
395 int wl1271_acx_beacon_filter_table(struct wl1271 *wl,
396 				   struct wl12xx_vif *wlvif)
397 {
398 	struct acx_beacon_filter_ie_table *ie_table;
399 	int i, idx = 0;
400 	int ret;
401 	bool vendor_spec = false;
402 
403 	wl1271_debug(DEBUG_ACX, "acx beacon filter table");
404 
405 	ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
406 	if (!ie_table) {
407 		ret = -ENOMEM;
408 		goto out;
409 	}
410 
411 	/* configure default beacon pass-through rules */
412 	ie_table->role_id = wlvif->role_id;
413 	ie_table->num_ie = 0;
414 	for (i = 0; i < wl->conf.conn.bcn_filt_ie_count; i++) {
415 		struct conf_bcn_filt_rule *r = &(wl->conf.conn.bcn_filt_ie[i]);
416 		ie_table->table[idx++] = r->ie;
417 		ie_table->table[idx++] = r->rule;
418 
419 		if (r->ie == WLAN_EID_VENDOR_SPECIFIC) {
420 			/* only one vendor specific ie allowed */
421 			if (vendor_spec)
422 				continue;
423 
424 			/* for vendor specific rules configure the
425 			   additional fields */
426 			memcpy(&(ie_table->table[idx]), r->oui,
427 			       CONF_BCN_IE_OUI_LEN);
428 			idx += CONF_BCN_IE_OUI_LEN;
429 			ie_table->table[idx++] = r->type;
430 			memcpy(&(ie_table->table[idx]), r->version,
431 			       CONF_BCN_IE_VER_LEN);
432 			idx += CONF_BCN_IE_VER_LEN;
433 			vendor_spec = true;
434 		}
435 
436 		ie_table->num_ie++;
437 	}
438 
439 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
440 				   ie_table, sizeof(*ie_table));
441 	if (ret < 0) {
442 		wl1271_warning("failed to set beacon filter table: %d", ret);
443 		goto out;
444 	}
445 
446 out:
447 	kfree(ie_table);
448 	return ret;
449 }
450 
451 #define ACX_CONN_MONIT_DISABLE_VALUE  0xffffffff
452 
453 int wl1271_acx_conn_monit_params(struct wl1271 *wl, struct wl12xx_vif *wlvif,
454 				 bool enable)
455 {
456 	struct acx_conn_monit_params *acx;
457 	u32 threshold = ACX_CONN_MONIT_DISABLE_VALUE;
458 	u32 timeout = ACX_CONN_MONIT_DISABLE_VALUE;
459 	int ret;
460 
461 	wl1271_debug(DEBUG_ACX, "acx connection monitor parameters: %s",
462 		     enable ? "enabled" : "disabled");
463 
464 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
465 	if (!acx) {
466 		ret = -ENOMEM;
467 		goto out;
468 	}
469 
470 	if (enable) {
471 		threshold = wl->conf.conn.synch_fail_thold;
472 		timeout = wl->conf.conn.bss_lose_timeout;
473 	}
474 
475 	acx->role_id = wlvif->role_id;
476 	acx->synch_fail_thold = cpu_to_le32(threshold);
477 	acx->bss_lose_timeout = cpu_to_le32(timeout);
478 
479 	ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
480 				   acx, sizeof(*acx));
481 	if (ret < 0) {
482 		wl1271_warning("failed to set connection monitor "
483 			       "parameters: %d", ret);
484 		goto out;
485 	}
486 
487 out:
488 	kfree(acx);
489 	return ret;
490 }
491 
492 
493 int wl1271_acx_sg_enable(struct wl1271 *wl, bool enable)
494 {
495 	struct acx_bt_wlan_coex *pta;
496 	int ret;
497 
498 	wl1271_debug(DEBUG_ACX, "acx sg enable");
499 
500 	pta = kzalloc(sizeof(*pta), GFP_KERNEL);
501 	if (!pta) {
502 		ret = -ENOMEM;
503 		goto out;
504 	}
505 
506 	if (enable)
507 		pta->enable = wl->conf.sg.state;
508 	else
509 		pta->enable = CONF_SG_DISABLE;
510 
511 	ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
512 	if (ret < 0) {
513 		wl1271_warning("failed to set softgemini enable: %d", ret);
514 		goto out;
515 	}
516 
517 out:
518 	kfree(pta);
519 	return ret;
520 }
521 
522 int wl12xx_acx_sg_cfg(struct wl1271 *wl)
523 {
524 	struct acx_bt_wlan_coex_param *param;
525 	struct conf_sg_settings *c = &wl->conf.sg;
526 	int i, ret;
527 
528 	wl1271_debug(DEBUG_ACX, "acx sg cfg");
529 
530 	param = kzalloc(sizeof(*param), GFP_KERNEL);
531 	if (!param) {
532 		ret = -ENOMEM;
533 		goto out;
534 	}
535 
536 	/* BT-WLAN coext parameters */
537 	for (i = 0; i < CONF_SG_PARAMS_MAX; i++)
538 		param->params[i] = cpu_to_le32(c->params[i]);
539 	param->param_idx = CONF_SG_PARAMS_ALL;
540 
541 	ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
542 	if (ret < 0) {
543 		wl1271_warning("failed to set sg config: %d", ret);
544 		goto out;
545 	}
546 
547 out:
548 	kfree(param);
549 	return ret;
550 }
551 
552 int wl1271_acx_cca_threshold(struct wl1271 *wl)
553 {
554 	struct acx_energy_detection *detection;
555 	int ret;
556 
557 	wl1271_debug(DEBUG_ACX, "acx cca threshold");
558 
559 	detection = kzalloc(sizeof(*detection), GFP_KERNEL);
560 	if (!detection) {
561 		ret = -ENOMEM;
562 		goto out;
563 	}
564 
565 	detection->rx_cca_threshold = cpu_to_le16(wl->conf.rx.rx_cca_threshold);
566 	detection->tx_energy_detection = wl->conf.tx.tx_energy_detection;
567 
568 	ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
569 				   detection, sizeof(*detection));
570 	if (ret < 0)
571 		wl1271_warning("failed to set cca threshold: %d", ret);
572 
573 out:
574 	kfree(detection);
575 	return ret;
576 }
577 
578 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl, struct wl12xx_vif *wlvif)
579 {
580 	struct acx_beacon_broadcast *bb;
581 	int ret;
582 
583 	wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
584 
585 	bb = kzalloc(sizeof(*bb), GFP_KERNEL);
586 	if (!bb) {
587 		ret = -ENOMEM;
588 		goto out;
589 	}
590 
591 	bb->role_id = wlvif->role_id;
592 	bb->beacon_rx_timeout = cpu_to_le16(wl->conf.conn.beacon_rx_timeout);
593 	bb->broadcast_timeout = cpu_to_le16(wl->conf.conn.broadcast_timeout);
594 	bb->rx_broadcast_in_ps = wl->conf.conn.rx_broadcast_in_ps;
595 	bb->ps_poll_threshold = wl->conf.conn.ps_poll_threshold;
596 
597 	ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
598 	if (ret < 0) {
599 		wl1271_warning("failed to set rx config: %d", ret);
600 		goto out;
601 	}
602 
603 out:
604 	kfree(bb);
605 	return ret;
606 }
607 
608 int wl1271_acx_aid(struct wl1271 *wl, struct wl12xx_vif *wlvif, u16 aid)
609 {
610 	struct acx_aid *acx_aid;
611 	int ret;
612 
613 	wl1271_debug(DEBUG_ACX, "acx aid");
614 
615 	acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
616 	if (!acx_aid) {
617 		ret = -ENOMEM;
618 		goto out;
619 	}
620 
621 	acx_aid->role_id = wlvif->role_id;
622 	acx_aid->aid = cpu_to_le16(aid);
623 
624 	ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
625 	if (ret < 0) {
626 		wl1271_warning("failed to set aid: %d", ret);
627 		goto out;
628 	}
629 
630 out:
631 	kfree(acx_aid);
632 	return ret;
633 }
634 
635 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
636 {
637 	struct acx_event_mask *mask;
638 	int ret;
639 
640 	wl1271_debug(DEBUG_ACX, "acx event mbox mask");
641 
642 	mask = kzalloc(sizeof(*mask), GFP_KERNEL);
643 	if (!mask) {
644 		ret = -ENOMEM;
645 		goto out;
646 	}
647 
648 	/* high event mask is unused */
649 	mask->high_event_mask = cpu_to_le32(0xffffffff);
650 	mask->event_mask = cpu_to_le32(event_mask);
651 
652 	ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
653 				   mask, sizeof(*mask));
654 	if (ret < 0) {
655 		wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
656 		goto out;
657 	}
658 
659 out:
660 	kfree(mask);
661 	return ret;
662 }
663 
664 int wl1271_acx_set_preamble(struct wl1271 *wl, struct wl12xx_vif *wlvif,
665 			    enum acx_preamble_type preamble)
666 {
667 	struct acx_preamble *acx;
668 	int ret;
669 
670 	wl1271_debug(DEBUG_ACX, "acx_set_preamble");
671 
672 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
673 	if (!acx) {
674 		ret = -ENOMEM;
675 		goto out;
676 	}
677 
678 	acx->role_id = wlvif->role_id;
679 	acx->preamble = preamble;
680 
681 	ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
682 	if (ret < 0) {
683 		wl1271_warning("Setting of preamble failed: %d", ret);
684 		goto out;
685 	}
686 
687 out:
688 	kfree(acx);
689 	return ret;
690 }
691 
692 int wl1271_acx_cts_protect(struct wl1271 *wl, struct wl12xx_vif *wlvif,
693 			   enum acx_ctsprotect_type ctsprotect)
694 {
695 	struct acx_ctsprotect *acx;
696 	int ret;
697 
698 	wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
699 
700 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
701 	if (!acx) {
702 		ret = -ENOMEM;
703 		goto out;
704 	}
705 
706 	acx->role_id = wlvif->role_id;
707 	acx->ctsprotect = ctsprotect;
708 
709 	ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
710 	if (ret < 0) {
711 		wl1271_warning("Setting of ctsprotect failed: %d", ret);
712 		goto out;
713 	}
714 
715 out:
716 	kfree(acx);
717 	return ret;
718 }
719 
720 int wl1271_acx_statistics(struct wl1271 *wl, void *stats)
721 {
722 	int ret;
723 
724 	wl1271_debug(DEBUG_ACX, "acx statistics");
725 
726 	ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
727 				     sizeof(struct acx_header),
728 				     wl->stats.fw_stats_len);
729 	if (ret < 0) {
730 		wl1271_warning("acx statistics failed: %d", ret);
731 		return -ENOMEM;
732 	}
733 
734 	return 0;
735 }
736 
737 int wl1271_acx_sta_rate_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif)
738 {
739 	struct acx_rate_policy *acx;
740 	struct conf_tx_rate_class *c = &wl->conf.tx.sta_rc_conf;
741 	int ret = 0;
742 
743 	wl1271_debug(DEBUG_ACX, "acx rate policies");
744 
745 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
746 
747 	if (!acx) {
748 		ret = -ENOMEM;
749 		goto out;
750 	}
751 
752 	wl1271_debug(DEBUG_ACX, "basic_rate: 0x%x, full_rate: 0x%x",
753 		wlvif->basic_rate, wlvif->rate_set);
754 
755 	/* configure one basic rate class */
756 	acx->rate_policy_idx = cpu_to_le32(wlvif->sta.basic_rate_idx);
757 	acx->rate_policy.enabled_rates = cpu_to_le32(wlvif->basic_rate);
758 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
759 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
760 	acx->rate_policy.aflags = c->aflags;
761 
762 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
763 	if (ret < 0) {
764 		wl1271_warning("Setting of rate policies failed: %d", ret);
765 		goto out;
766 	}
767 
768 	/* configure one AP supported rate class */
769 	acx->rate_policy_idx = cpu_to_le32(wlvif->sta.ap_rate_idx);
770 
771 	/* the AP policy is HW specific */
772 	acx->rate_policy.enabled_rates =
773 		cpu_to_le32(wlcore_hw_sta_get_ap_rate_mask(wl, wlvif));
774 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
775 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
776 	acx->rate_policy.aflags = c->aflags;
777 
778 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
779 	if (ret < 0) {
780 		wl1271_warning("Setting of rate policies failed: %d", ret);
781 		goto out;
782 	}
783 
784 	/*
785 	 * configure one rate class for basic p2p operations.
786 	 * (p2p packets should always go out with OFDM rates, even
787 	 * if we are currently connected to 11b AP)
788 	 */
789 	acx->rate_policy_idx = cpu_to_le32(wlvif->sta.p2p_rate_idx);
790 	acx->rate_policy.enabled_rates =
791 				cpu_to_le32(CONF_TX_RATE_MASK_BASIC_P2P);
792 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
793 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
794 	acx->rate_policy.aflags = c->aflags;
795 
796 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
797 	if (ret < 0) {
798 		wl1271_warning("Setting of rate policies failed: %d", ret);
799 		goto out;
800 	}
801 
802 out:
803 	kfree(acx);
804 	return ret;
805 }
806 
807 int wl1271_acx_ap_rate_policy(struct wl1271 *wl, struct conf_tx_rate_class *c,
808 		      u8 idx)
809 {
810 	struct acx_rate_policy *acx;
811 	int ret = 0;
812 
813 	wl1271_debug(DEBUG_ACX, "acx ap rate policy %d rates 0x%x",
814 		     idx, c->enabled_rates);
815 
816 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
817 	if (!acx) {
818 		ret = -ENOMEM;
819 		goto out;
820 	}
821 
822 	acx->rate_policy.enabled_rates = cpu_to_le32(c->enabled_rates);
823 	acx->rate_policy.short_retry_limit = c->short_retry_limit;
824 	acx->rate_policy.long_retry_limit = c->long_retry_limit;
825 	acx->rate_policy.aflags = c->aflags;
826 
827 	acx->rate_policy_idx = cpu_to_le32(idx);
828 
829 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
830 	if (ret < 0) {
831 		wl1271_warning("Setting of ap rate policy failed: %d", ret);
832 		goto out;
833 	}
834 
835 out:
836 	kfree(acx);
837 	return ret;
838 }
839 
840 int wl1271_acx_ac_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif,
841 		      u8 ac, u8 cw_min, u16 cw_max, u8 aifsn, u16 txop)
842 {
843 	struct acx_ac_cfg *acx;
844 	int ret = 0;
845 
846 	wl1271_debug(DEBUG_ACX, "acx ac cfg %d cw_ming %d cw_max %d "
847 		     "aifs %d txop %d", ac, cw_min, cw_max, aifsn, txop);
848 
849 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
850 
851 	if (!acx) {
852 		ret = -ENOMEM;
853 		goto out;
854 	}
855 
856 	acx->role_id = wlvif->role_id;
857 	acx->ac = ac;
858 	acx->cw_min = cw_min;
859 	acx->cw_max = cpu_to_le16(cw_max);
860 	acx->aifsn = aifsn;
861 	acx->tx_op_limit = cpu_to_le16(txop);
862 
863 	ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
864 	if (ret < 0) {
865 		wl1271_warning("acx ac cfg failed: %d", ret);
866 		goto out;
867 	}
868 
869 out:
870 	kfree(acx);
871 	return ret;
872 }
873 
874 int wl1271_acx_tid_cfg(struct wl1271 *wl, struct wl12xx_vif *wlvif,
875 		       u8 queue_id, u8 channel_type,
876 		       u8 tsid, u8 ps_scheme, u8 ack_policy,
877 		       u32 apsd_conf0, u32 apsd_conf1)
878 {
879 	struct acx_tid_config *acx;
880 	int ret = 0;
881 
882 	wl1271_debug(DEBUG_ACX, "acx tid config");
883 
884 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
885 
886 	if (!acx) {
887 		ret = -ENOMEM;
888 		goto out;
889 	}
890 
891 	acx->role_id = wlvif->role_id;
892 	acx->queue_id = queue_id;
893 	acx->channel_type = channel_type;
894 	acx->tsid = tsid;
895 	acx->ps_scheme = ps_scheme;
896 	acx->ack_policy = ack_policy;
897 	acx->apsd_conf[0] = cpu_to_le32(apsd_conf0);
898 	acx->apsd_conf[1] = cpu_to_le32(apsd_conf1);
899 
900 	ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
901 	if (ret < 0) {
902 		wl1271_warning("Setting of tid config failed: %d", ret);
903 		goto out;
904 	}
905 
906 out:
907 	kfree(acx);
908 	return ret;
909 }
910 
911 int wl1271_acx_frag_threshold(struct wl1271 *wl, u32 frag_threshold)
912 {
913 	struct acx_frag_threshold *acx;
914 	int ret = 0;
915 
916 	/*
917 	 * If the fragmentation is not configured or out of range, use the
918 	 * default value.
919 	 */
920 	if (frag_threshold > IEEE80211_MAX_FRAG_THRESHOLD)
921 		frag_threshold = wl->conf.tx.frag_threshold;
922 
923 	wl1271_debug(DEBUG_ACX, "acx frag threshold: %d", frag_threshold);
924 
925 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
926 
927 	if (!acx) {
928 		ret = -ENOMEM;
929 		goto out;
930 	}
931 
932 	acx->frag_threshold = cpu_to_le16((u16)frag_threshold);
933 	ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
934 	if (ret < 0) {
935 		wl1271_warning("Setting of frag threshold failed: %d", ret);
936 		goto out;
937 	}
938 
939 out:
940 	kfree(acx);
941 	return ret;
942 }
943 
944 int wl1271_acx_tx_config_options(struct wl1271 *wl)
945 {
946 	struct acx_tx_config_options *acx;
947 	int ret = 0;
948 
949 	wl1271_debug(DEBUG_ACX, "acx tx config options");
950 
951 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
952 
953 	if (!acx) {
954 		ret = -ENOMEM;
955 		goto out;
956 	}
957 
958 	acx->tx_compl_timeout = cpu_to_le16(wl->conf.tx.tx_compl_timeout);
959 	acx->tx_compl_threshold = cpu_to_le16(wl->conf.tx.tx_compl_threshold);
960 	ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
961 	if (ret < 0) {
962 		wl1271_warning("Setting of tx options failed: %d", ret);
963 		goto out;
964 	}
965 
966 out:
967 	kfree(acx);
968 	return ret;
969 }
970 
971 int wl12xx_acx_mem_cfg(struct wl1271 *wl)
972 {
973 	struct wl12xx_acx_config_memory *mem_conf;
974 	struct conf_memory_settings *mem;
975 	int ret;
976 
977 	wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
978 
979 	mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
980 	if (!mem_conf) {
981 		ret = -ENOMEM;
982 		goto out;
983 	}
984 
985 	mem = &wl->conf.mem;
986 
987 	/* memory config */
988 	mem_conf->num_stations = mem->num_stations;
989 	mem_conf->rx_mem_block_num = mem->rx_block_num;
990 	mem_conf->tx_min_mem_block_num = mem->tx_min_block_num;
991 	mem_conf->num_ssid_profiles = mem->ssid_profiles;
992 	mem_conf->total_tx_descriptors = cpu_to_le32(wl->num_tx_desc);
993 	mem_conf->dyn_mem_enable = mem->dynamic_memory;
994 	mem_conf->tx_free_req = mem->min_req_tx_blocks;
995 	mem_conf->rx_free_req = mem->min_req_rx_blocks;
996 	mem_conf->tx_min = mem->tx_min;
997 	mem_conf->fwlog_blocks = wl->conf.fwlog.mem_blocks;
998 
999 	ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
1000 				   sizeof(*mem_conf));
1001 	if (ret < 0) {
1002 		wl1271_warning("wl1271 mem config failed: %d", ret);
1003 		goto out;
1004 	}
1005 
1006 out:
1007 	kfree(mem_conf);
1008 	return ret;
1009 }
1010 EXPORT_SYMBOL_GPL(wl12xx_acx_mem_cfg);
1011 
1012 int wl1271_acx_init_mem_config(struct wl1271 *wl)
1013 {
1014 	int ret;
1015 
1016 	wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
1017 				     GFP_KERNEL);
1018 	if (!wl->target_mem_map) {
1019 		wl1271_error("couldn't allocate target memory map");
1020 		return -ENOMEM;
1021 	}
1022 
1023 	/* we now ask for the firmware built memory map */
1024 	ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
1025 				 sizeof(struct wl1271_acx_mem_map));
1026 	if (ret < 0) {
1027 		wl1271_error("couldn't retrieve firmware memory map");
1028 		kfree(wl->target_mem_map);
1029 		wl->target_mem_map = NULL;
1030 		return ret;
1031 	}
1032 
1033 	/* initialize TX block book keeping */
1034 	wl->tx_blocks_available =
1035 		le32_to_cpu(wl->target_mem_map->num_tx_mem_blocks);
1036 	wl1271_debug(DEBUG_TX, "available tx blocks: %d",
1037 		     wl->tx_blocks_available);
1038 
1039 	return 0;
1040 }
1041 EXPORT_SYMBOL_GPL(wl1271_acx_init_mem_config);
1042 
1043 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
1044 {
1045 	struct wl1271_acx_rx_config_opt *rx_conf;
1046 	int ret;
1047 
1048 	wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
1049 
1050 	rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
1051 	if (!rx_conf) {
1052 		ret = -ENOMEM;
1053 		goto out;
1054 	}
1055 
1056 	rx_conf->threshold = cpu_to_le16(wl->conf.rx.irq_pkt_threshold);
1057 	rx_conf->timeout = cpu_to_le16(wl->conf.rx.irq_timeout);
1058 	rx_conf->mblk_threshold = cpu_to_le16(wl->conf.rx.irq_blk_threshold);
1059 	rx_conf->queue_type = wl->conf.rx.queue_type;
1060 
1061 	ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
1062 				   sizeof(*rx_conf));
1063 	if (ret < 0) {
1064 		wl1271_warning("wl1271 rx config opt failed: %d", ret);
1065 		goto out;
1066 	}
1067 
1068 out:
1069 	kfree(rx_conf);
1070 	return ret;
1071 }
1072 
1073 int wl1271_acx_bet_enable(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1074 			  bool enable)
1075 {
1076 	struct wl1271_acx_bet_enable *acx = NULL;
1077 	int ret = 0;
1078 
1079 	wl1271_debug(DEBUG_ACX, "acx bet enable");
1080 
1081 	if (enable && wl->conf.conn.bet_enable == CONF_BET_MODE_DISABLE)
1082 		goto out;
1083 
1084 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1085 	if (!acx) {
1086 		ret = -ENOMEM;
1087 		goto out;
1088 	}
1089 
1090 	acx->role_id = wlvif->role_id;
1091 	acx->enable = enable ? CONF_BET_MODE_ENABLE : CONF_BET_MODE_DISABLE;
1092 	acx->max_consecutive = wl->conf.conn.bet_max_consecutive;
1093 
1094 	ret = wl1271_cmd_configure(wl, ACX_BET_ENABLE, acx, sizeof(*acx));
1095 	if (ret < 0) {
1096 		wl1271_warning("acx bet enable failed: %d", ret);
1097 		goto out;
1098 	}
1099 
1100 out:
1101 	kfree(acx);
1102 	return ret;
1103 }
1104 
1105 int wl1271_acx_arp_ip_filter(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1106 			     u8 enable, __be32 address)
1107 {
1108 	struct wl1271_acx_arp_filter *acx;
1109 	int ret;
1110 
1111 	wl1271_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable);
1112 
1113 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1114 	if (!acx) {
1115 		ret = -ENOMEM;
1116 		goto out;
1117 	}
1118 
1119 	acx->role_id = wlvif->role_id;
1120 	acx->version = ACX_IPV4_VERSION;
1121 	acx->enable = enable;
1122 
1123 	if (enable)
1124 		memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);
1125 
1126 	ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER,
1127 				   acx, sizeof(*acx));
1128 	if (ret < 0) {
1129 		wl1271_warning("failed to set arp ip filter: %d", ret);
1130 		goto out;
1131 	}
1132 
1133 out:
1134 	kfree(acx);
1135 	return ret;
1136 }
1137 
1138 int wl1271_acx_pm_config(struct wl1271 *wl)
1139 {
1140 	struct wl1271_acx_pm_config *acx = NULL;
1141 	struct  conf_pm_config_settings *c = &wl->conf.pm_config;
1142 	int ret = 0;
1143 
1144 	wl1271_debug(DEBUG_ACX, "acx pm config");
1145 
1146 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1147 	if (!acx) {
1148 		ret = -ENOMEM;
1149 		goto out;
1150 	}
1151 
1152 	acx->host_clk_settling_time = cpu_to_le32(c->host_clk_settling_time);
1153 	acx->host_fast_wakeup_support = c->host_fast_wakeup_support;
1154 
1155 	ret = wl1271_cmd_configure(wl, ACX_PM_CONFIG, acx, sizeof(*acx));
1156 	if (ret < 0) {
1157 		wl1271_warning("acx pm config failed: %d", ret);
1158 		goto out;
1159 	}
1160 
1161 out:
1162 	kfree(acx);
1163 	return ret;
1164 }
1165 EXPORT_SYMBOL_GPL(wl1271_acx_pm_config);
1166 
1167 int wl1271_acx_keep_alive_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1168 			       bool enable)
1169 {
1170 	struct wl1271_acx_keep_alive_mode *acx = NULL;
1171 	int ret = 0;
1172 
1173 	wl1271_debug(DEBUG_ACX, "acx keep alive mode: %d", enable);
1174 
1175 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1176 	if (!acx) {
1177 		ret = -ENOMEM;
1178 		goto out;
1179 	}
1180 
1181 	acx->role_id = wlvif->role_id;
1182 	acx->enabled = enable;
1183 
1184 	ret = wl1271_cmd_configure(wl, ACX_KEEP_ALIVE_MODE, acx, sizeof(*acx));
1185 	if (ret < 0) {
1186 		wl1271_warning("acx keep alive mode failed: %d", ret);
1187 		goto out;
1188 	}
1189 
1190 out:
1191 	kfree(acx);
1192 	return ret;
1193 }
1194 
1195 int wl1271_acx_keep_alive_config(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1196 				 u8 index, u8 tpl_valid)
1197 {
1198 	struct wl1271_acx_keep_alive_config *acx = NULL;
1199 	int ret = 0;
1200 
1201 	wl1271_debug(DEBUG_ACX, "acx keep alive config");
1202 
1203 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1204 	if (!acx) {
1205 		ret = -ENOMEM;
1206 		goto out;
1207 	}
1208 
1209 	acx->role_id = wlvif->role_id;
1210 	acx->period = cpu_to_le32(wl->conf.conn.keep_alive_interval);
1211 	acx->index = index;
1212 	acx->tpl_validation = tpl_valid;
1213 	acx->trigger = ACX_KEEP_ALIVE_NO_TX;
1214 
1215 	ret = wl1271_cmd_configure(wl, ACX_SET_KEEP_ALIVE_CONFIG,
1216 				   acx, sizeof(*acx));
1217 	if (ret < 0) {
1218 		wl1271_warning("acx keep alive config failed: %d", ret);
1219 		goto out;
1220 	}
1221 
1222 out:
1223 	kfree(acx);
1224 	return ret;
1225 }
1226 
1227 int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1228 				bool enable, s16 thold, u8 hyst)
1229 {
1230 	struct wl1271_acx_rssi_snr_trigger *acx = NULL;
1231 	int ret = 0;
1232 
1233 	wl1271_debug(DEBUG_ACX, "acx rssi snr trigger");
1234 
1235 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1236 	if (!acx) {
1237 		ret = -ENOMEM;
1238 		goto out;
1239 	}
1240 
1241 	wlvif->last_rssi_event = -1;
1242 
1243 	acx->role_id = wlvif->role_id;
1244 	acx->pacing = cpu_to_le16(wl->conf.roam_trigger.trigger_pacing);
1245 	acx->metric = WL1271_ACX_TRIG_METRIC_RSSI_BEACON;
1246 	acx->type = WL1271_ACX_TRIG_TYPE_EDGE;
1247 	if (enable)
1248 		acx->enable = WL1271_ACX_TRIG_ENABLE;
1249 	else
1250 		acx->enable = WL1271_ACX_TRIG_DISABLE;
1251 
1252 	acx->index = WL1271_ACX_TRIG_IDX_RSSI;
1253 	acx->dir = WL1271_ACX_TRIG_DIR_BIDIR;
1254 	acx->threshold = cpu_to_le16(thold);
1255 	acx->hysteresis = hyst;
1256 
1257 	ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_TRIGGER, acx, sizeof(*acx));
1258 	if (ret < 0) {
1259 		wl1271_warning("acx rssi snr trigger setting failed: %d", ret);
1260 		goto out;
1261 	}
1262 
1263 out:
1264 	kfree(acx);
1265 	return ret;
1266 }
1267 
1268 int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl,
1269 				    struct wl12xx_vif *wlvif)
1270 {
1271 	struct wl1271_acx_rssi_snr_avg_weights *acx = NULL;
1272 	struct conf_roam_trigger_settings *c = &wl->conf.roam_trigger;
1273 	int ret = 0;
1274 
1275 	wl1271_debug(DEBUG_ACX, "acx rssi snr avg weights");
1276 
1277 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1278 	if (!acx) {
1279 		ret = -ENOMEM;
1280 		goto out;
1281 	}
1282 
1283 	acx->role_id = wlvif->role_id;
1284 	acx->rssi_beacon = c->avg_weight_rssi_beacon;
1285 	acx->rssi_data = c->avg_weight_rssi_data;
1286 	acx->snr_beacon = c->avg_weight_snr_beacon;
1287 	acx->snr_data = c->avg_weight_snr_data;
1288 
1289 	ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_WEIGHTS, acx, sizeof(*acx));
1290 	if (ret < 0) {
1291 		wl1271_warning("acx rssi snr trigger weights failed: %d", ret);
1292 		goto out;
1293 	}
1294 
1295 out:
1296 	kfree(acx);
1297 	return ret;
1298 }
1299 
1300 int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
1301 				    struct ieee80211_sta_ht_cap *ht_cap,
1302 				    bool allow_ht_operation, u8 hlid)
1303 {
1304 	struct wl1271_acx_ht_capabilities *acx;
1305 	int ret = 0;
1306 	u32 ht_capabilites = 0;
1307 
1308 	wl1271_debug(DEBUG_ACX, "acx ht capabilities setting "
1309 		     "sta supp: %d sta cap: %d", ht_cap->ht_supported,
1310 		     ht_cap->cap);
1311 
1312 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1313 	if (!acx) {
1314 		ret = -ENOMEM;
1315 		goto out;
1316 	}
1317 
1318 	if (allow_ht_operation && ht_cap->ht_supported) {
1319 		/* no need to translate capabilities - use the spec values */
1320 		ht_capabilites = ht_cap->cap;
1321 
1322 		/*
1323 		 * this bit is not employed by the spec but only by FW to
1324 		 * indicate peer HT support
1325 		 */
1326 		ht_capabilites |= WL12XX_HT_CAP_HT_OPERATION;
1327 
1328 		/* get data from A-MPDU parameters field */
1329 		acx->ampdu_max_length = ht_cap->ampdu_factor;
1330 		acx->ampdu_min_spacing = ht_cap->ampdu_density;
1331 	}
1332 
1333 	acx->hlid = hlid;
1334 	acx->ht_capabilites = cpu_to_le32(ht_capabilites);
1335 
1336 	ret = wl1271_cmd_configure(wl, ACX_PEER_HT_CAP, acx, sizeof(*acx));
1337 	if (ret < 0) {
1338 		wl1271_warning("acx ht capabilities setting failed: %d", ret);
1339 		goto out;
1340 	}
1341 
1342 out:
1343 	kfree(acx);
1344 	return ret;
1345 }
1346 EXPORT_SYMBOL_GPL(wl1271_acx_set_ht_capabilities);
1347 
1348 
1349 int wl1271_acx_set_ht_information(struct wl1271 *wl,
1350 				   struct wl12xx_vif *wlvif,
1351 				   u16 ht_operation_mode)
1352 {
1353 	struct wl1271_acx_ht_information *acx;
1354 	int ret = 0;
1355 
1356 	wl1271_debug(DEBUG_ACX, "acx ht information setting");
1357 
1358 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1359 	if (!acx) {
1360 		ret = -ENOMEM;
1361 		goto out;
1362 	}
1363 
1364 	acx->role_id = wlvif->role_id;
1365 	acx->ht_protection =
1366 		(u8)(ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION);
1367 	acx->rifs_mode = 0;
1368 	acx->gf_protection =
1369 		!!(ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1370 	acx->ht_tx_burst_limit = 0;
1371 	acx->dual_cts_protection = 0;
1372 
1373 	ret = wl1271_cmd_configure(wl, ACX_HT_BSS_OPERATION, acx, sizeof(*acx));
1374 
1375 	if (ret < 0) {
1376 		wl1271_warning("acx ht information setting failed: %d", ret);
1377 		goto out;
1378 	}
1379 
1380 out:
1381 	kfree(acx);
1382 	return ret;
1383 }
1384 
1385 /* Configure BA session initiator/receiver parameters setting in the FW. */
1386 int wl12xx_acx_set_ba_initiator_policy(struct wl1271 *wl,
1387 				       struct wl12xx_vif *wlvif)
1388 {
1389 	struct wl1271_acx_ba_initiator_policy *acx;
1390 	int ret;
1391 
1392 	wl1271_debug(DEBUG_ACX, "acx ba initiator policy");
1393 
1394 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1395 	if (!acx) {
1396 		ret = -ENOMEM;
1397 		goto out;
1398 	}
1399 
1400 	/* set for the current role */
1401 	acx->role_id = wlvif->role_id;
1402 	acx->tid_bitmap = wl->conf.ht.tx_ba_tid_bitmap;
1403 	acx->win_size = wl->conf.ht.tx_ba_win_size;
1404 	acx->inactivity_timeout = wl->conf.ht.inactivity_timeout;
1405 
1406 	ret = wl1271_cmd_configure(wl,
1407 				   ACX_BA_SESSION_INIT_POLICY,
1408 				   acx,
1409 				   sizeof(*acx));
1410 	if (ret < 0) {
1411 		wl1271_warning("acx ba initiator policy failed: %d", ret);
1412 		goto out;
1413 	}
1414 
1415 out:
1416 	kfree(acx);
1417 	return ret;
1418 }
1419 
1420 /* setup BA session receiver setting in the FW. */
1421 int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index,
1422 				       u16 ssn, bool enable, u8 peer_hlid)
1423 {
1424 	struct wl1271_acx_ba_receiver_setup *acx;
1425 	int ret;
1426 
1427 	wl1271_debug(DEBUG_ACX, "acx ba receiver session setting");
1428 
1429 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1430 	if (!acx) {
1431 		ret = -ENOMEM;
1432 		goto out;
1433 	}
1434 
1435 	acx->hlid = peer_hlid;
1436 	acx->tid = tid_index;
1437 	acx->enable = enable;
1438 	acx->win_size = wl->conf.ht.rx_ba_win_size;
1439 	acx->ssn = ssn;
1440 
1441 	ret = wlcore_cmd_configure_failsafe(wl, ACX_BA_SESSION_RX_SETUP, acx,
1442 					    sizeof(*acx),
1443 					    BIT(CMD_STATUS_NO_RX_BA_SESSION));
1444 	if (ret < 0) {
1445 		wl1271_warning("acx ba receiver session failed: %d", ret);
1446 		goto out;
1447 	}
1448 
1449 	/* sometimes we can't start the session */
1450 	if (ret == CMD_STATUS_NO_RX_BA_SESSION) {
1451 		wl1271_warning("no fw rx ba on tid %d", tid_index);
1452 		ret = -EBUSY;
1453 		goto out;
1454 	}
1455 
1456 	ret = 0;
1457 out:
1458 	kfree(acx);
1459 	return ret;
1460 }
1461 
1462 int wl12xx_acx_tsf_info(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1463 			u64 *mactime)
1464 {
1465 	struct wl12xx_acx_fw_tsf_information *tsf_info;
1466 	int ret;
1467 
1468 	tsf_info = kzalloc(sizeof(*tsf_info), GFP_KERNEL);
1469 	if (!tsf_info) {
1470 		ret = -ENOMEM;
1471 		goto out;
1472 	}
1473 
1474 	tsf_info->role_id = wlvif->role_id;
1475 
1476 	ret = wl1271_cmd_interrogate(wl, ACX_TSF_INFO, tsf_info,
1477 				sizeof(struct acx_header), sizeof(*tsf_info));
1478 	if (ret < 0) {
1479 		wl1271_warning("acx tsf info interrogate failed");
1480 		goto out;
1481 	}
1482 
1483 	*mactime = le32_to_cpu(tsf_info->current_tsf_low) |
1484 		((u64) le32_to_cpu(tsf_info->current_tsf_high) << 32);
1485 
1486 out:
1487 	kfree(tsf_info);
1488 	return ret;
1489 }
1490 
1491 int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1492 			       bool enable)
1493 {
1494 	struct wl1271_acx_ps_rx_streaming *rx_streaming;
1495 	u32 conf_queues, enable_queues;
1496 	int i, ret = 0;
1497 
1498 	wl1271_debug(DEBUG_ACX, "acx ps rx streaming");
1499 
1500 	rx_streaming = kzalloc(sizeof(*rx_streaming), GFP_KERNEL);
1501 	if (!rx_streaming) {
1502 		ret = -ENOMEM;
1503 		goto out;
1504 	}
1505 
1506 	conf_queues = wl->conf.rx_streaming.queues;
1507 	if (enable)
1508 		enable_queues = conf_queues;
1509 	else
1510 		enable_queues = 0;
1511 
1512 	for (i = 0; i < 8; i++) {
1513 		/*
1514 		 * Skip non-changed queues, to avoid redundant acxs.
1515 		 * this check assumes conf.rx_streaming.queues can't
1516 		 * be changed while rx_streaming is enabled.
1517 		 */
1518 		if (!(conf_queues & BIT(i)))
1519 			continue;
1520 
1521 		rx_streaming->role_id = wlvif->role_id;
1522 		rx_streaming->tid = i;
1523 		rx_streaming->enable = enable_queues & BIT(i);
1524 		rx_streaming->period = wl->conf.rx_streaming.interval;
1525 		rx_streaming->timeout = wl->conf.rx_streaming.interval;
1526 
1527 		ret = wl1271_cmd_configure(wl, ACX_PS_RX_STREAMING,
1528 					   rx_streaming,
1529 					   sizeof(*rx_streaming));
1530 		if (ret < 0) {
1531 			wl1271_warning("acx ps rx streaming failed: %d", ret);
1532 			goto out;
1533 		}
1534 	}
1535 out:
1536 	kfree(rx_streaming);
1537 	return ret;
1538 }
1539 
1540 int wl1271_acx_ap_max_tx_retry(struct wl1271 *wl, struct wl12xx_vif *wlvif)
1541 {
1542 	struct wl1271_acx_ap_max_tx_retry *acx = NULL;
1543 	int ret;
1544 
1545 	wl1271_debug(DEBUG_ACX, "acx ap max tx retry");
1546 
1547 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1548 	if (!acx)
1549 		return -ENOMEM;
1550 
1551 	acx->role_id = wlvif->role_id;
1552 	acx->max_tx_retry = cpu_to_le16(wl->conf.tx.max_tx_retries);
1553 
1554 	ret = wl1271_cmd_configure(wl, ACX_MAX_TX_FAILURE, acx, sizeof(*acx));
1555 	if (ret < 0) {
1556 		wl1271_warning("acx ap max tx retry failed: %d", ret);
1557 		goto out;
1558 	}
1559 
1560 out:
1561 	kfree(acx);
1562 	return ret;
1563 }
1564 
1565 int wl12xx_acx_config_ps(struct wl1271 *wl, struct wl12xx_vif *wlvif)
1566 {
1567 	struct wl1271_acx_config_ps *config_ps;
1568 	int ret;
1569 
1570 	wl1271_debug(DEBUG_ACX, "acx config ps");
1571 
1572 	config_ps = kzalloc(sizeof(*config_ps), GFP_KERNEL);
1573 	if (!config_ps) {
1574 		ret = -ENOMEM;
1575 		goto out;
1576 	}
1577 
1578 	config_ps->exit_retries = wl->conf.conn.psm_exit_retries;
1579 	config_ps->enter_retries = wl->conf.conn.psm_entry_retries;
1580 	config_ps->null_data_rate = cpu_to_le32(wlvif->basic_rate);
1581 
1582 	ret = wl1271_cmd_configure(wl, ACX_CONFIG_PS, config_ps,
1583 				   sizeof(*config_ps));
1584 
1585 	if (ret < 0) {
1586 		wl1271_warning("acx config ps failed: %d", ret);
1587 		goto out;
1588 	}
1589 
1590 out:
1591 	kfree(config_ps);
1592 	return ret;
1593 }
1594 
1595 int wl1271_acx_set_inconnection_sta(struct wl1271 *wl,
1596 				    struct wl12xx_vif *wlvif, u8 *addr)
1597 {
1598 	struct wl1271_acx_inconnection_sta *acx = NULL;
1599 	int ret;
1600 
1601 	wl1271_debug(DEBUG_ACX, "acx set inconnaction sta %pM", addr);
1602 
1603 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1604 	if (!acx)
1605 		return -ENOMEM;
1606 
1607 	memcpy(acx->addr, addr, ETH_ALEN);
1608 	acx->role_id = wlvif->role_id;
1609 
1610 	ret = wl1271_cmd_configure(wl, ACX_UPDATE_INCONNECTION_STA_LIST,
1611 				   acx, sizeof(*acx));
1612 	if (ret < 0) {
1613 		wl1271_warning("acx set inconnaction sta failed: %d", ret);
1614 		goto out;
1615 	}
1616 
1617 out:
1618 	kfree(acx);
1619 	return ret;
1620 }
1621 
1622 int wl1271_acx_fm_coex(struct wl1271 *wl)
1623 {
1624 	struct wl1271_acx_fm_coex *acx;
1625 	int ret;
1626 
1627 	wl1271_debug(DEBUG_ACX, "acx fm coex setting");
1628 
1629 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1630 	if (!acx) {
1631 		ret = -ENOMEM;
1632 		goto out;
1633 	}
1634 
1635 	acx->enable = wl->conf.fm_coex.enable;
1636 	acx->swallow_period = wl->conf.fm_coex.swallow_period;
1637 	acx->n_divider_fref_set_1 = wl->conf.fm_coex.n_divider_fref_set_1;
1638 	acx->n_divider_fref_set_2 = wl->conf.fm_coex.n_divider_fref_set_2;
1639 	acx->m_divider_fref_set_1 =
1640 		cpu_to_le16(wl->conf.fm_coex.m_divider_fref_set_1);
1641 	acx->m_divider_fref_set_2 =
1642 		cpu_to_le16(wl->conf.fm_coex.m_divider_fref_set_2);
1643 	acx->coex_pll_stabilization_time =
1644 		cpu_to_le32(wl->conf.fm_coex.coex_pll_stabilization_time);
1645 	acx->ldo_stabilization_time =
1646 		cpu_to_le16(wl->conf.fm_coex.ldo_stabilization_time);
1647 	acx->fm_disturbed_band_margin =
1648 		wl->conf.fm_coex.fm_disturbed_band_margin;
1649 	acx->swallow_clk_diff = wl->conf.fm_coex.swallow_clk_diff;
1650 
1651 	ret = wl1271_cmd_configure(wl, ACX_FM_COEX_CFG, acx, sizeof(*acx));
1652 	if (ret < 0) {
1653 		wl1271_warning("acx fm coex setting failed: %d", ret);
1654 		goto out;
1655 	}
1656 
1657 out:
1658 	kfree(acx);
1659 	return ret;
1660 }
1661 
1662 int wl12xx_acx_set_rate_mgmt_params(struct wl1271 *wl)
1663 {
1664 	struct wl12xx_acx_set_rate_mgmt_params *acx = NULL;
1665 	struct conf_rate_policy_settings *conf = &wl->conf.rate;
1666 	int ret;
1667 
1668 	wl1271_debug(DEBUG_ACX, "acx set rate mgmt params");
1669 
1670 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1671 	if (!acx)
1672 		return -ENOMEM;
1673 
1674 	acx->index = ACX_RATE_MGMT_ALL_PARAMS;
1675 	acx->rate_retry_score = cpu_to_le16(conf->rate_retry_score);
1676 	acx->per_add = cpu_to_le16(conf->per_add);
1677 	acx->per_th1 = cpu_to_le16(conf->per_th1);
1678 	acx->per_th2 = cpu_to_le16(conf->per_th2);
1679 	acx->max_per = cpu_to_le16(conf->max_per);
1680 	acx->inverse_curiosity_factor = conf->inverse_curiosity_factor;
1681 	acx->tx_fail_low_th = conf->tx_fail_low_th;
1682 	acx->tx_fail_high_th = conf->tx_fail_high_th;
1683 	acx->per_alpha_shift = conf->per_alpha_shift;
1684 	acx->per_add_shift = conf->per_add_shift;
1685 	acx->per_beta1_shift = conf->per_beta1_shift;
1686 	acx->per_beta2_shift = conf->per_beta2_shift;
1687 	acx->rate_check_up = conf->rate_check_up;
1688 	acx->rate_check_down = conf->rate_check_down;
1689 	memcpy(acx->rate_retry_policy, conf->rate_retry_policy,
1690 	       sizeof(acx->rate_retry_policy));
1691 
1692 	ret = wl1271_cmd_configure(wl, ACX_SET_RATE_MGMT_PARAMS,
1693 				   acx, sizeof(*acx));
1694 	if (ret < 0) {
1695 		wl1271_warning("acx set rate mgmt params failed: %d", ret);
1696 		goto out;
1697 	}
1698 
1699 out:
1700 	kfree(acx);
1701 	return ret;
1702 }
1703 
1704 int wl12xx_acx_config_hangover(struct wl1271 *wl)
1705 {
1706 	struct wl12xx_acx_config_hangover *acx;
1707 	struct conf_hangover_settings *conf = &wl->conf.hangover;
1708 	int ret;
1709 
1710 	wl1271_debug(DEBUG_ACX, "acx config hangover");
1711 
1712 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1713 	if (!acx) {
1714 		ret = -ENOMEM;
1715 		goto out;
1716 	}
1717 
1718 	acx->recover_time = cpu_to_le32(conf->recover_time);
1719 	acx->hangover_period = conf->hangover_period;
1720 	acx->dynamic_mode = conf->dynamic_mode;
1721 	acx->early_termination_mode = conf->early_termination_mode;
1722 	acx->max_period = conf->max_period;
1723 	acx->min_period = conf->min_period;
1724 	acx->increase_delta = conf->increase_delta;
1725 	acx->decrease_delta = conf->decrease_delta;
1726 	acx->quiet_time = conf->quiet_time;
1727 	acx->increase_time = conf->increase_time;
1728 	acx->window_size = conf->window_size;
1729 
1730 	ret = wl1271_cmd_configure(wl, ACX_CONFIG_HANGOVER, acx,
1731 				   sizeof(*acx));
1732 
1733 	if (ret < 0) {
1734 		wl1271_warning("acx config hangover failed: %d", ret);
1735 		goto out;
1736 	}
1737 
1738 out:
1739 	kfree(acx);
1740 	return ret;
1741 
1742 }
1743 
1744 int wlcore_acx_average_rssi(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1745 			    s8 *avg_rssi)
1746 {
1747 	struct acx_roaming_stats *acx;
1748 	int ret = 0;
1749 
1750 	wl1271_debug(DEBUG_ACX, "acx roaming statistics");
1751 
1752 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1753 	if (!acx) {
1754 		ret = -ENOMEM;
1755 		goto out;
1756 	}
1757 
1758 	acx->role_id = wlvif->role_id;
1759 	ret = wl1271_cmd_interrogate(wl, ACX_ROAMING_STATISTICS_TBL,
1760 				     acx, sizeof(*acx), sizeof(*acx));
1761 	if (ret	< 0) {
1762 		wl1271_warning("acx roaming statistics failed: %d", ret);
1763 		ret = -ENOMEM;
1764 		goto out;
1765 	}
1766 
1767 	*avg_rssi = acx->rssi_beacon;
1768 out:
1769 	kfree(acx);
1770 	return ret;
1771 }
1772 
1773 #ifdef CONFIG_PM
1774 /* Set the global behaviour of RX filters - On/Off + default action */
1775 int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable,
1776 					enum rx_filter_action action)
1777 {
1778 	struct acx_default_rx_filter *acx;
1779 	int ret;
1780 
1781 	wl1271_debug(DEBUG_ACX, "acx default rx filter en: %d act: %d",
1782 		     enable, action);
1783 
1784 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1785 	if (!acx)
1786 		return -ENOMEM;
1787 
1788 	acx->enable = enable;
1789 	acx->default_action = action;
1790 
1791 	ret = wl1271_cmd_configure(wl, ACX_ENABLE_RX_DATA_FILTER, acx,
1792 				   sizeof(*acx));
1793 	if (ret < 0) {
1794 		wl1271_warning("acx default rx filter enable failed: %d", ret);
1795 		goto out;
1796 	}
1797 
1798 out:
1799 	kfree(acx);
1800 	return ret;
1801 }
1802 
1803 /* Configure or disable a specific RX filter pattern */
1804 int wl1271_acx_set_rx_filter(struct wl1271 *wl, u8 index, bool enable,
1805 			     struct wl12xx_rx_filter *filter)
1806 {
1807 	struct acx_rx_filter_cfg *acx;
1808 	int fields_size = 0;
1809 	int acx_size;
1810 	int ret;
1811 
1812 	WARN_ON(enable && !filter);
1813 	WARN_ON(index >= WL1271_MAX_RX_FILTERS);
1814 
1815 	wl1271_debug(DEBUG_ACX,
1816 		     "acx set rx filter idx: %d enable: %d filter: %p",
1817 		     index, enable, filter);
1818 
1819 	if (enable) {
1820 		fields_size = wl1271_rx_filter_get_fields_size(filter);
1821 
1822 		wl1271_debug(DEBUG_ACX, "act: %d num_fields: %d field_size: %d",
1823 		      filter->action, filter->num_fields, fields_size);
1824 	}
1825 
1826 	acx_size = ALIGN(sizeof(*acx) + fields_size, 4);
1827 	acx = kzalloc(acx_size, GFP_KERNEL);
1828 
1829 	if (!acx)
1830 		return -ENOMEM;
1831 
1832 	acx->enable = enable;
1833 	acx->index = index;
1834 
1835 	if (enable) {
1836 		acx->num_fields = filter->num_fields;
1837 		acx->action = filter->action;
1838 		wl1271_rx_filter_flatten_fields(filter, acx->fields);
1839 	}
1840 
1841 	wl1271_dump(DEBUG_ACX, "RX_FILTER: ", acx, acx_size);
1842 
1843 	ret = wl1271_cmd_configure(wl, ACX_SET_RX_DATA_FILTER, acx, acx_size);
1844 	if (ret < 0) {
1845 		wl1271_warning("setting rx filter failed: %d", ret);
1846 		goto out;
1847 	}
1848 
1849 out:
1850 	kfree(acx);
1851 	return ret;
1852 }
1853 #endif /* CONFIG_PM */
1854