wl1271: Configure beacon filtering on if PSM used
[linux-2.6.git] / drivers / net / wireless / wl12xx / wl1271_acx.c
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 "wl1271_acx.h"
25
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/crc7.h>
29 #include <linux/spi/spi.h>
30
31 #include "wl1271.h"
32 #include "wl12xx_80211.h"
33 #include "wl1271_reg.h"
34 #include "wl1271_spi.h"
35 #include "wl1271_ps.h"
36
37 int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event,
38                                   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");
44
45         wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
46         if (!wake_up) {
47                 ret = -ENOMEM;
48                 goto out;
49         }
50
51         wake_up->wake_up_event = wake_up_event;
52         wake_up->listen_interval = listen_interval;
53
54         ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
55                                    wake_up, sizeof(*wake_up));
56         if (ret < 0) {
57                 wl1271_warning("could not set wake up conditions: %d", ret);
58                 goto out;
59         }
60
61 out:
62         kfree(wake_up);
63         return ret;
64 }
65
66 int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
67 {
68         struct acx_sleep_auth *auth;
69         int ret;
70
71         wl1271_debug(DEBUG_ACX, "acx sleep auth");
72
73         auth = kzalloc(sizeof(*auth), GFP_KERNEL);
74         if (!auth) {
75                 ret = -ENOMEM;
76                 goto out;
77         }
78
79         auth->sleep_auth = sleep_auth;
80
81         ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
82         if (ret < 0)
83                 return ret;
84
85 out:
86         kfree(auth);
87         return ret;
88 }
89
90 int wl1271_acx_fw_version(struct wl1271 *wl, char *buf, size_t len)
91 {
92         struct acx_revision *rev;
93         int ret;
94
95         wl1271_debug(DEBUG_ACX, "acx fw rev");
96
97         rev = kzalloc(sizeof(*rev), GFP_KERNEL);
98         if (!rev) {
99                 ret = -ENOMEM;
100                 goto out;
101         }
102
103         ret = wl1271_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev));
104         if (ret < 0) {
105                 wl1271_warning("ACX_FW_REV interrogate failed");
106                 goto out;
107         }
108
109         /* be careful with the buffer sizes */
110         strncpy(buf, rev->fw_version, min(len, sizeof(rev->fw_version)));
111
112         /*
113          * if the firmware version string is exactly
114          * sizeof(rev->fw_version) long or fw_len is less than
115          * sizeof(rev->fw_version) it won't be null terminated
116          */
117         buf[min(len, sizeof(rev->fw_version)) - 1] = '\0';
118
119 out:
120         kfree(rev);
121         return ret;
122 }
123
124 int wl1271_acx_tx_power(struct wl1271 *wl, int power)
125 {
126         struct acx_current_tx_power *acx;
127         int ret;
128
129         wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");
130
131         if (power < 0 || power > 25)
132                 return -EINVAL;
133
134         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
135         if (!acx) {
136                 ret = -ENOMEM;
137                 goto out;
138         }
139
140         acx->current_tx_power = power * 10;
141
142         ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
143         if (ret < 0) {
144                 wl1271_warning("configure of tx power failed: %d", ret);
145                 goto out;
146         }
147
148 out:
149         kfree(acx);
150         return ret;
151 }
152
153 int wl1271_acx_feature_cfg(struct wl1271 *wl)
154 {
155         struct acx_feature_config *feature;
156         int ret;
157
158         wl1271_debug(DEBUG_ACX, "acx feature cfg");
159
160         feature = kzalloc(sizeof(*feature), GFP_KERNEL);
161         if (!feature) {
162                 ret = -ENOMEM;
163                 goto out;
164         }
165
166         /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
167         feature->data_flow_options = 0;
168         feature->options = 0;
169
170         ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG,
171                                    feature, sizeof(*feature));
172         if (ret < 0) {
173                 wl1271_error("Couldnt set HW encryption");
174                 goto out;
175         }
176
177 out:
178         kfree(feature);
179         return ret;
180 }
181
182 int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
183                        size_t len)
184 {
185         int ret;
186
187         wl1271_debug(DEBUG_ACX, "acx mem map");
188
189         ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len);
190         if (ret < 0)
191                 return ret;
192
193         return 0;
194 }
195
196 int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time)
197 {
198         struct acx_rx_msdu_lifetime *acx;
199         int ret;
200
201         wl1271_debug(DEBUG_ACX, "acx rx msdu life time");
202
203         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
204         if (!acx) {
205                 ret = -ENOMEM;
206                 goto out;
207         }
208
209         acx->lifetime = life_time;
210         ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
211                                    acx, sizeof(*acx));
212         if (ret < 0) {
213                 wl1271_warning("failed to set rx msdu life time: %d", ret);
214                 goto out;
215         }
216
217 out:
218         kfree(acx);
219         return ret;
220 }
221
222 int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter)
223 {
224         struct acx_rx_config *rx_config;
225         int ret;
226
227         wl1271_debug(DEBUG_ACX, "acx rx config");
228
229         rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL);
230         if (!rx_config) {
231                 ret = -ENOMEM;
232                 goto out;
233         }
234
235         rx_config->config_options = config;
236         rx_config->filter_options = filter;
237
238         ret = wl1271_cmd_configure(wl, ACX_RX_CFG,
239                                    rx_config, sizeof(*rx_config));
240         if (ret < 0) {
241                 wl1271_warning("failed to set rx config: %d", ret);
242                 goto out;
243         }
244
245 out:
246         kfree(rx_config);
247         return ret;
248 }
249
250 int wl1271_acx_pd_threshold(struct wl1271 *wl)
251 {
252         struct acx_packet_detection *pd;
253         int ret;
254
255         wl1271_debug(DEBUG_ACX, "acx data pd threshold");
256
257         pd = kzalloc(sizeof(*pd), GFP_KERNEL);
258         if (!pd) {
259                 ret = -ENOMEM;
260                 goto out;
261         }
262
263         /* FIXME: threshold value not set */
264
265         ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
266         if (ret < 0) {
267                 wl1271_warning("failed to set pd threshold: %d", ret);
268                 goto out;
269         }
270
271 out:
272         kfree(pd);
273         return 0;
274 }
275
276 int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time)
277 {
278         struct acx_slot *slot;
279         int ret;
280
281         wl1271_debug(DEBUG_ACX, "acx slot");
282
283         slot = kzalloc(sizeof(*slot), GFP_KERNEL);
284         if (!slot) {
285                 ret = -ENOMEM;
286                 goto out;
287         }
288
289         slot->wone_index = STATION_WONE_INDEX;
290         slot->slot_time = slot_time;
291
292         ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
293         if (ret < 0) {
294                 wl1271_warning("failed to set slot time: %d", ret);
295                 goto out;
296         }
297
298 out:
299         kfree(slot);
300         return ret;
301 }
302
303 int wl1271_acx_group_address_tbl(struct wl1271 *wl, bool enable,
304                                  void *mc_list, u32 mc_list_len)
305 {
306         struct acx_dot11_grp_addr_tbl *acx;
307         int ret;
308
309         wl1271_debug(DEBUG_ACX, "acx group address tbl");
310
311         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
312         if (!acx) {
313                 ret = -ENOMEM;
314                 goto out;
315         }
316
317         /* MAC filtering */
318         acx->enabled = enable;
319         acx->num_groups = mc_list_len;
320         memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);
321
322         ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
323                                    acx, sizeof(*acx));
324         if (ret < 0) {
325                 wl1271_warning("failed to set group addr table: %d", ret);
326                 goto out;
327         }
328
329 out:
330         kfree(acx);
331         return ret;
332 }
333
334 int wl1271_acx_service_period_timeout(struct wl1271 *wl)
335 {
336         struct acx_rx_timeout *rx_timeout;
337         int ret;
338
339         rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
340         if (!rx_timeout) {
341                 ret = -ENOMEM;
342                 goto out;
343         }
344
345         wl1271_debug(DEBUG_ACX, "acx service period timeout");
346
347         rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF;
348         rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF;
349
350         ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
351                                    rx_timeout, sizeof(*rx_timeout));
352         if (ret < 0) {
353                 wl1271_warning("failed to set service period timeout: %d",
354                                ret);
355                 goto out;
356         }
357
358 out:
359         kfree(rx_timeout);
360         return ret;
361 }
362
363 int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold)
364 {
365         struct acx_rts_threshold *rts;
366         int ret;
367
368         wl1271_debug(DEBUG_ACX, "acx rts threshold");
369
370         rts = kzalloc(sizeof(*rts), GFP_KERNEL);
371         if (!rts) {
372                 ret = -ENOMEM;
373                 goto out;
374         }
375
376         rts->threshold = rts_threshold;
377
378         ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
379         if (ret < 0) {
380                 wl1271_warning("failed to set rts threshold: %d", ret);
381                 goto out;
382         }
383
384 out:
385         kfree(rts);
386         return ret;
387 }
388
389 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter)
390 {
391         struct acx_beacon_filter_option *beacon_filter;
392         int ret;
393
394         wl1271_debug(DEBUG_ACX, "acx beacon filter opt");
395
396         beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
397         if (!beacon_filter) {
398                 ret = -ENOMEM;
399                 goto out;
400         }
401
402         beacon_filter->enable = enable_filter;
403         beacon_filter->max_num_beacons = 0;
404
405         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
406                                    beacon_filter, sizeof(*beacon_filter));
407         if (ret < 0) {
408                 wl1271_warning("failed to set beacon filter opt: %d", ret);
409                 goto out;
410         }
411
412 out:
413         kfree(beacon_filter);
414         return ret;
415 }
416
417 int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
418 {
419         struct acx_beacon_filter_ie_table *ie_table;
420         int idx = 0;
421         int ret;
422
423         wl1271_debug(DEBUG_ACX, "acx beacon filter table");
424
425         ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
426         if (!ie_table) {
427                 ret = -ENOMEM;
428                 goto out;
429         }
430
431         /* configure default beacon pass-through rules */
432         ie_table->num_ie = 1;
433         ie_table->table[idx++] = BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN;
434         ie_table->table[idx++] = BEACON_RULE_PASS_ON_APPEARANCE;
435
436         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
437                                    ie_table, sizeof(*ie_table));
438         if (ret < 0) {
439                 wl1271_warning("failed to set beacon filter table: %d", ret);
440                 goto out;
441         }
442
443 out:
444         kfree(ie_table);
445         return ret;
446 }
447
448 int wl1271_acx_conn_monit_params(struct wl1271 *wl)
449 {
450         struct acx_conn_monit_params *acx;
451         int ret;
452
453         wl1271_debug(DEBUG_ACX, "acx connection monitor parameters");
454
455         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
456         if (!acx) {
457                 ret = -ENOMEM;
458                 goto out;
459         }
460
461         acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
462         acx->bss_lose_timeout = NO_BEACON_DEFAULT_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)
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         pta->enable = SG_ENABLE;
492
493         ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
494         if (ret < 0) {
495                 wl1271_warning("failed to set softgemini enable: %d", ret);
496                 goto out;
497         }
498
499 out:
500         kfree(pta);
501         return ret;
502 }
503
504 int wl1271_acx_sg_cfg(struct wl1271 *wl)
505 {
506         struct acx_bt_wlan_coex_param *param;
507         int ret;
508
509         wl1271_debug(DEBUG_ACX, "acx sg cfg");
510
511         param = kzalloc(sizeof(*param), GFP_KERNEL);
512         if (!param) {
513                 ret = -ENOMEM;
514                 goto out;
515         }
516
517         /* BT-WLAN coext parameters */
518         param->min_rate = RATE_INDEX_24MBPS;
519         param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF;
520         param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF;
521         param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF;
522         param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF;
523         param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF;
524         param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF;
525         param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF;
526         param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF;
527         param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF;
528         param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF;
529         param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF;
530         param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF;
531         param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF;
532         param->antenna_type = PTA_ANTENNA_TYPE_DEF;
533         param->signal_type = PTA_SIGNALING_TYPE_DEF;
534         param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF;
535         param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF;
536         param->max_cts = PTA_MAX_NUM_CTS_DEF;
537         param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF;
538         param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF;
539         param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF;
540         param->wlan_elp_hp = PTA_ELP_HP_DEF;
541         param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF;
542         param->ack_mode_dual_ant = PTA_ACK_MODE_DEF;
543         param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF;
544         param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF;
545         param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF;
546
547         ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
548         if (ret < 0) {
549                 wl1271_warning("failed to set sg config: %d", ret);
550                 goto out;
551         }
552
553 out:
554         kfree(param);
555         return ret;
556 }
557
558 int wl1271_acx_cca_threshold(struct wl1271 *wl)
559 {
560         struct acx_energy_detection *detection;
561         int ret;
562
563         wl1271_debug(DEBUG_ACX, "acx cca threshold");
564
565         detection = kzalloc(sizeof(*detection), GFP_KERNEL);
566         if (!detection) {
567                 ret = -ENOMEM;
568                 goto out;
569         }
570
571         detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
572         detection->tx_energy_detection = 0;
573
574         ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
575                                    detection, sizeof(*detection));
576         if (ret < 0) {
577                 wl1271_warning("failed to set cca threshold: %d", ret);
578                 return ret;
579         }
580
581 out:
582         kfree(detection);
583         return ret;
584 }
585
586 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
587 {
588         struct acx_beacon_broadcast *bb;
589         int ret;
590
591         wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
592
593         bb = kzalloc(sizeof(*bb), GFP_KERNEL);
594         if (!bb) {
595                 ret = -ENOMEM;
596                 goto out;
597         }
598
599         bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
600         bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
601         bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE;
602         bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF;
603
604         ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
605         if (ret < 0) {
606                 wl1271_warning("failed to set rx config: %d", ret);
607                 goto out;
608         }
609
610 out:
611         kfree(bb);
612         return ret;
613 }
614
615 int wl1271_acx_aid(struct wl1271 *wl, u16 aid)
616 {
617         struct acx_aid *acx_aid;
618         int ret;
619
620         wl1271_debug(DEBUG_ACX, "acx aid");
621
622         acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
623         if (!acx_aid) {
624                 ret = -ENOMEM;
625                 goto out;
626         }
627
628         acx_aid->aid = aid;
629
630         ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
631         if (ret < 0) {
632                 wl1271_warning("failed to set aid: %d", ret);
633                 goto out;
634         }
635
636 out:
637         kfree(acx_aid);
638         return ret;
639 }
640
641 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
642 {
643         struct acx_event_mask *mask;
644         int ret;
645
646         wl1271_debug(DEBUG_ACX, "acx event mbox mask");
647
648         mask = kzalloc(sizeof(*mask), GFP_KERNEL);
649         if (!mask) {
650                 ret = -ENOMEM;
651                 goto out;
652         }
653
654         /* high event mask is unused */
655         mask->high_event_mask = 0xffffffff;
656
657         mask->event_mask = event_mask;
658
659         ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
660                                    mask, sizeof(*mask));
661         if (ret < 0) {
662                 wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
663                 goto out;
664         }
665
666 out:
667         kfree(mask);
668         return ret;
669 }
670
671 int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble)
672 {
673         struct acx_preamble *acx;
674         int ret;
675
676         wl1271_debug(DEBUG_ACX, "acx_set_preamble");
677
678         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
679         if (!acx) {
680                 ret = -ENOMEM;
681                 goto out;
682         }
683
684         acx->preamble = preamble;
685
686         ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
687         if (ret < 0) {
688                 wl1271_warning("Setting of preamble failed: %d", ret);
689                 goto out;
690         }
691
692 out:
693         kfree(acx);
694         return ret;
695 }
696
697 int wl1271_acx_cts_protect(struct wl1271 *wl,
698                            enum acx_ctsprotect_type ctsprotect)
699 {
700         struct acx_ctsprotect *acx;
701         int ret;
702
703         wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
704
705         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
706         if (!acx) {
707                 ret = -ENOMEM;
708                 goto out;
709         }
710
711         acx->ctsprotect = ctsprotect;
712
713         ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
714         if (ret < 0) {
715                 wl1271_warning("Setting of ctsprotect failed: %d", ret);
716                 goto out;
717         }
718
719 out:
720         kfree(acx);
721         return ret;
722 }
723
724 int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
725 {
726         int ret;
727
728         wl1271_debug(DEBUG_ACX, "acx statistics");
729
730         ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
731                                      sizeof(*stats));
732         if (ret < 0) {
733                 wl1271_warning("acx statistics failed: %d", ret);
734                 return -ENOMEM;
735         }
736
737         return 0;
738 }
739
740 int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
741 {
742         struct acx_rate_policy *acx;
743         int ret = 0;
744
745         wl1271_debug(DEBUG_ACX, "acx rate policies");
746
747         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
748
749         if (!acx) {
750                 ret = -ENOMEM;
751                 goto out;
752         }
753
754         /* configure one default (one-size-fits-all) rate class */
755         acx->rate_class_cnt = 1;
756         acx->rate_class[0].enabled_rates = enabled_rates;
757         acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
758         acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
759         acx->rate_class[0].aflags = 0;
760
761         ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
762         if (ret < 0) {
763                 wl1271_warning("Setting of rate policies failed: %d", ret);
764                 goto out;
765         }
766
767 out:
768         kfree(acx);
769         return ret;
770 }
771
772 int wl1271_acx_ac_cfg(struct wl1271 *wl)
773 {
774         struct acx_ac_cfg *acx;
775         int i, ret = 0;
776
777         wl1271_debug(DEBUG_ACX, "acx access category config");
778
779         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
780
781         if (!acx) {
782                 ret = -ENOMEM;
783                 goto out;
784         }
785
786         /*
787          * FIXME: Configure each AC with appropriate values (most suitable
788          * values will probably be different for each AC.
789          */
790         for (i = 0; i < WL1271_ACX_AC_COUNT; i++) {
791                 acx->ac = i;
792
793                 /*
794                  * FIXME: The following default values originate from
795                  * the TI reference driver. What do they mean?
796                  */
797                 acx->cw_min = 15;
798                 acx->cw_max = 63;
799                 acx->aifsn = 3;
800                 acx->reserved = 0;
801                 acx->tx_op_limit = 0;
802
803                 ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
804                 if (ret < 0) {
805                         wl1271_warning("Setting of access category "
806                                        "config: %d", ret);
807                         goto out;
808                 }
809         }
810
811 out:
812         kfree(acx);
813         return ret;
814 }
815
816 int wl1271_acx_tid_cfg(struct wl1271 *wl)
817 {
818         struct acx_tid_config *acx;
819         int i, ret = 0;
820
821         wl1271_debug(DEBUG_ACX, "acx tid config");
822
823         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
824
825         if (!acx) {
826                 ret = -ENOMEM;
827                 goto out;
828         }
829
830         /* FIXME: configure each TID with a different AC reference */
831         for (i = 0; i < WL1271_ACX_TID_COUNT; i++) {
832                 acx->queue_id = i;
833                 acx->tsid = WL1271_ACX_AC_BE;
834                 acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY;
835                 acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY;
836
837                 ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
838                 if (ret < 0) {
839                         wl1271_warning("Setting of tid config failed: %d", ret);
840                         goto out;
841                 }
842         }
843
844 out:
845         kfree(acx);
846         return ret;
847 }
848
849 int wl1271_acx_frag_threshold(struct wl1271 *wl)
850 {
851         struct acx_frag_threshold *acx;
852         int ret = 0;
853
854         wl1271_debug(DEBUG_ACX, "acx frag threshold");
855
856         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
857
858         if (!acx) {
859                 ret = -ENOMEM;
860                 goto out;
861         }
862
863         acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
864         ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
865         if (ret < 0) {
866                 wl1271_warning("Setting of frag threshold failed: %d", ret);
867                 goto out;
868         }
869
870 out:
871         kfree(acx);
872         return ret;
873 }
874
875 int wl1271_acx_tx_config_options(struct wl1271 *wl)
876 {
877         struct acx_tx_config_options *acx;
878         int ret = 0;
879
880         wl1271_debug(DEBUG_ACX, "acx tx config options");
881
882         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
883
884         if (!acx) {
885                 ret = -ENOMEM;
886                 goto out;
887         }
888
889         acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT;
890         acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD;
891         ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
892         if (ret < 0) {
893                 wl1271_warning("Setting of tx options failed: %d", ret);
894                 goto out;
895         }
896
897 out:
898         kfree(acx);
899         return ret;
900 }
901
902 int wl1271_acx_mem_cfg(struct wl1271 *wl)
903 {
904         struct wl1271_acx_config_memory *mem_conf;
905         int ret;
906
907         wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
908
909         mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
910         if (!mem_conf) {
911                 ret = -ENOMEM;
912                 goto out;
913         }
914
915         /* memory config */
916         mem_conf->num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
917         mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS;
918         mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS;
919         mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES;
920         mem_conf->total_tx_descriptors = ACX_TX_DESCRIPTORS;
921
922         ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
923                                    sizeof(*mem_conf));
924         if (ret < 0) {
925                 wl1271_warning("wl1271 mem config failed: %d", ret);
926                 goto out;
927         }
928
929 out:
930         kfree(mem_conf);
931         return ret;
932 }
933
934 int wl1271_acx_init_mem_config(struct wl1271 *wl)
935 {
936         int ret;
937
938         ret = wl1271_acx_mem_cfg(wl);
939         if (ret < 0)
940                 return ret;
941
942         wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
943                                           GFP_KERNEL);
944         if (!wl->target_mem_map) {
945                 wl1271_error("couldn't allocate target memory map");
946                 return -ENOMEM;
947         }
948
949         /* we now ask for the firmware built memory map */
950         ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
951                                  sizeof(struct wl1271_acx_mem_map));
952         if (ret < 0) {
953                 wl1271_error("couldn't retrieve firmware memory map");
954                 kfree(wl->target_mem_map);
955                 wl->target_mem_map = NULL;
956                 return ret;
957         }
958
959         /* initialize TX block book keeping */
960         wl->tx_blocks_available = wl->target_mem_map->num_tx_mem_blocks;
961         wl1271_debug(DEBUG_TX, "available tx blocks: %d",
962                      wl->tx_blocks_available);
963
964         return 0;
965 }
966
967 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
968 {
969         struct wl1271_acx_rx_config_opt *rx_conf;
970         int ret;
971
972         wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
973
974         rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
975         if (!rx_conf) {
976                 ret = -ENOMEM;
977                 goto out;
978         }
979
980         rx_conf->threshold = WL1271_RX_INTR_THRESHOLD_DEF;
981         rx_conf->timeout = WL1271_RX_INTR_TIMEOUT_DEF;
982         rx_conf->mblk_threshold = USHORT_MAX; /* Disabled */
983         rx_conf->queue_type = RX_QUEUE_TYPE_RX_LOW_PRIORITY;
984
985         ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
986                                    sizeof(*rx_conf));
987         if (ret < 0) {
988                 wl1271_warning("wl1271 rx config opt failed: %d", ret);
989                 goto out;
990         }
991
992 out:
993         kfree(rx_conf);
994         return ret;
995 }