wl1271: Add connection monitoring configuration
[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)
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 = 0;
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 ret;
421
422         wl1271_debug(DEBUG_ACX, "acx beacon filter table");
423
424         ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
425         if (!ie_table) {
426                 ret = -ENOMEM;
427                 goto out;
428         }
429
430         ie_table->num_ie = 0;
431         memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE);
432
433         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
434                                    ie_table, sizeof(*ie_table));
435         if (ret < 0) {
436                 wl1271_warning("failed to set beacon filter table: %d", ret);
437                 goto out;
438         }
439
440 out:
441         kfree(ie_table);
442         return ret;
443 }
444
445 int wl1271_acx_conn_monit_params(struct wl1271 *wl)
446 {
447         struct acx_conn_monit_params *acx;
448         int ret;
449
450         wl1271_debug(DEBUG_ACX, "acx connection monitor parameters");
451
452         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
453         if (!acx) {
454                 ret = -ENOMEM;
455                 goto out;
456         }
457
458         acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
459         acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT;
460
461         ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
462                                    acx, sizeof(*acx));
463         if (ret < 0) {
464                 wl1271_warning("failed to set connection monitor "
465                                "parameters: %d", ret);
466                 goto out;
467         }
468
469 out:
470         kfree(acx);
471         return ret;
472 }
473
474
475 int wl1271_acx_sg_enable(struct wl1271 *wl)
476 {
477         struct acx_bt_wlan_coex *pta;
478         int ret;
479
480         wl1271_debug(DEBUG_ACX, "acx sg enable");
481
482         pta = kzalloc(sizeof(*pta), GFP_KERNEL);
483         if (!pta) {
484                 ret = -ENOMEM;
485                 goto out;
486         }
487
488         pta->enable = SG_ENABLE;
489
490         ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
491         if (ret < 0) {
492                 wl1271_warning("failed to set softgemini enable: %d", ret);
493                 goto out;
494         }
495
496 out:
497         kfree(pta);
498         return ret;
499 }
500
501 int wl1271_acx_sg_cfg(struct wl1271 *wl)
502 {
503         struct acx_bt_wlan_coex_param *param;
504         int ret;
505
506         wl1271_debug(DEBUG_ACX, "acx sg cfg");
507
508         param = kzalloc(sizeof(*param), GFP_KERNEL);
509         if (!param) {
510                 ret = -ENOMEM;
511                 goto out;
512         }
513
514         /* BT-WLAN coext parameters */
515         param->min_rate = RATE_INDEX_24MBPS;
516         param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF;
517         param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF;
518         param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF;
519         param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF;
520         param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF;
521         param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF;
522         param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF;
523         param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF;
524         param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF;
525         param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF;
526         param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF;
527         param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF;
528         param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF;
529         param->antenna_type = PTA_ANTENNA_TYPE_DEF;
530         param->signal_type = PTA_SIGNALING_TYPE_DEF;
531         param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF;
532         param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF;
533         param->max_cts = PTA_MAX_NUM_CTS_DEF;
534         param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF;
535         param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF;
536         param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF;
537         param->wlan_elp_hp = PTA_ELP_HP_DEF;
538         param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF;
539         param->ack_mode_dual_ant = PTA_ACK_MODE_DEF;
540         param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF;
541         param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF;
542         param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF;
543
544         ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
545         if (ret < 0) {
546                 wl1271_warning("failed to set sg config: %d", ret);
547                 goto out;
548         }
549
550 out:
551         kfree(param);
552         return ret;
553 }
554
555 int wl1271_acx_cca_threshold(struct wl1271 *wl)
556 {
557         struct acx_energy_detection *detection;
558         int ret;
559
560         wl1271_debug(DEBUG_ACX, "acx cca threshold");
561
562         detection = kzalloc(sizeof(*detection), GFP_KERNEL);
563         if (!detection) {
564                 ret = -ENOMEM;
565                 goto out;
566         }
567
568         detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
569         detection->tx_energy_detection = 0;
570
571         ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
572                                    detection, sizeof(*detection));
573         if (ret < 0) {
574                 wl1271_warning("failed to set cca threshold: %d", ret);
575                 return ret;
576         }
577
578 out:
579         kfree(detection);
580         return ret;
581 }
582
583 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
584 {
585         struct acx_beacon_broadcast *bb;
586         int ret;
587
588         wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
589
590         bb = kzalloc(sizeof(*bb), GFP_KERNEL);
591         if (!bb) {
592                 ret = -ENOMEM;
593                 goto out;
594         }
595
596         bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
597         bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
598         bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE;
599         bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF;
600
601         ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
602         if (ret < 0) {
603                 wl1271_warning("failed to set rx config: %d", ret);
604                 goto out;
605         }
606
607 out:
608         kfree(bb);
609         return ret;
610 }
611
612 int wl1271_acx_aid(struct wl1271 *wl, u16 aid)
613 {
614         struct acx_aid *acx_aid;
615         int ret;
616
617         wl1271_debug(DEBUG_ACX, "acx aid");
618
619         acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
620         if (!acx_aid) {
621                 ret = -ENOMEM;
622                 goto out;
623         }
624
625         acx_aid->aid = aid;
626
627         ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
628         if (ret < 0) {
629                 wl1271_warning("failed to set aid: %d", ret);
630                 goto out;
631         }
632
633 out:
634         kfree(acx_aid);
635         return ret;
636 }
637
638 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
639 {
640         struct acx_event_mask *mask;
641         int ret;
642
643         wl1271_debug(DEBUG_ACX, "acx event mbox mask");
644
645         mask = kzalloc(sizeof(*mask), GFP_KERNEL);
646         if (!mask) {
647                 ret = -ENOMEM;
648                 goto out;
649         }
650
651         /* high event mask is unused */
652         mask->high_event_mask = 0xffffffff;
653
654         mask->event_mask = event_mask;
655
656         ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
657                                    mask, sizeof(*mask));
658         if (ret < 0) {
659                 wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
660                 goto out;
661         }
662
663 out:
664         kfree(mask);
665         return ret;
666 }
667
668 int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble)
669 {
670         struct acx_preamble *acx;
671         int ret;
672
673         wl1271_debug(DEBUG_ACX, "acx_set_preamble");
674
675         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
676         if (!acx) {
677                 ret = -ENOMEM;
678                 goto out;
679         }
680
681         acx->preamble = preamble;
682
683         ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
684         if (ret < 0) {
685                 wl1271_warning("Setting of preamble failed: %d", ret);
686                 goto out;
687         }
688
689 out:
690         kfree(acx);
691         return ret;
692 }
693
694 int wl1271_acx_cts_protect(struct wl1271 *wl,
695                            enum acx_ctsprotect_type ctsprotect)
696 {
697         struct acx_ctsprotect *acx;
698         int ret;
699
700         wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
701
702         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
703         if (!acx) {
704                 ret = -ENOMEM;
705                 goto out;
706         }
707
708         acx->ctsprotect = ctsprotect;
709
710         ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
711         if (ret < 0) {
712                 wl1271_warning("Setting of ctsprotect failed: %d", ret);
713                 goto out;
714         }
715
716 out:
717         kfree(acx);
718         return ret;
719 }
720
721 int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
722 {
723         int ret;
724
725         wl1271_debug(DEBUG_ACX, "acx statistics");
726
727         ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
728                                      sizeof(*stats));
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_rate_policies(struct wl1271 *wl, u32 enabled_rates)
738 {
739         struct acx_rate_policy *acx;
740         int ret = 0;
741
742         wl1271_debug(DEBUG_ACX, "acx rate policies");
743
744         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
745
746         if (!acx) {
747                 ret = -ENOMEM;
748                 goto out;
749         }
750
751         /* configure one default (one-size-fits-all) rate class */
752         acx->rate_class_cnt = 1;
753         acx->rate_class[0].enabled_rates = enabled_rates;
754         acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
755         acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
756         acx->rate_class[0].aflags = 0;
757
758         ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
759         if (ret < 0) {
760                 wl1271_warning("Setting of rate policies failed: %d", ret);
761                 goto out;
762         }
763
764 out:
765         kfree(acx);
766         return ret;
767 }
768
769 int wl1271_acx_ac_cfg(struct wl1271 *wl)
770 {
771         struct acx_ac_cfg *acx;
772         int i, ret = 0;
773
774         wl1271_debug(DEBUG_ACX, "acx access category config");
775
776         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
777
778         if (!acx) {
779                 ret = -ENOMEM;
780                 goto out;
781         }
782
783         /*
784          * FIXME: Configure each AC with appropriate values (most suitable
785          * values will probably be different for each AC.
786          */
787         for (i = 0; i < WL1271_ACX_AC_COUNT; i++) {
788                 acx->ac = i;
789
790                 /*
791                  * FIXME: The following default values originate from
792                  * the TI reference driver. What do they mean?
793                  */
794                 acx->cw_min = 15;
795                 acx->cw_max = 63;
796                 acx->aifsn = 3;
797                 acx->reserved = 0;
798                 acx->tx_op_limit = 0;
799
800                 ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
801                 if (ret < 0) {
802                         wl1271_warning("Setting of access category "
803                                        "config: %d", ret);
804                         goto out;
805                 }
806         }
807
808 out:
809         kfree(acx);
810         return ret;
811 }
812
813 int wl1271_acx_tid_cfg(struct wl1271 *wl)
814 {
815         struct acx_tid_config *acx;
816         int i, ret = 0;
817
818         wl1271_debug(DEBUG_ACX, "acx tid config");
819
820         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
821
822         if (!acx) {
823                 ret = -ENOMEM;
824                 goto out;
825         }
826
827         /* FIXME: configure each TID with a different AC reference */
828         for (i = 0; i < WL1271_ACX_TID_COUNT; i++) {
829                 acx->queue_id = i;
830                 acx->tsid = WL1271_ACX_AC_BE;
831                 acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY;
832                 acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY;
833
834                 ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
835                 if (ret < 0) {
836                         wl1271_warning("Setting of tid config failed: %d", ret);
837                         goto out;
838                 }
839         }
840
841 out:
842         kfree(acx);
843         return ret;
844 }
845
846 int wl1271_acx_frag_threshold(struct wl1271 *wl)
847 {
848         struct acx_frag_threshold *acx;
849         int ret = 0;
850
851         wl1271_debug(DEBUG_ACX, "acx frag threshold");
852
853         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
854
855         if (!acx) {
856                 ret = -ENOMEM;
857                 goto out;
858         }
859
860         acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
861         ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
862         if (ret < 0) {
863                 wl1271_warning("Setting of frag threshold failed: %d", ret);
864                 goto out;
865         }
866
867 out:
868         kfree(acx);
869         return ret;
870 }
871
872 int wl1271_acx_tx_config_options(struct wl1271 *wl)
873 {
874         struct acx_tx_config_options *acx;
875         int ret = 0;
876
877         wl1271_debug(DEBUG_ACX, "acx tx config options");
878
879         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
880
881         if (!acx) {
882                 ret = -ENOMEM;
883                 goto out;
884         }
885
886         acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT;
887         acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD;
888         ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
889         if (ret < 0) {
890                 wl1271_warning("Setting of tx options failed: %d", ret);
891                 goto out;
892         }
893
894 out:
895         kfree(acx);
896         return ret;
897 }
898
899 int wl1271_acx_mem_cfg(struct wl1271 *wl)
900 {
901         struct wl1271_acx_config_memory *mem_conf;
902         int ret;
903
904         wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
905
906         mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
907         if (!mem_conf) {
908                 ret = -ENOMEM;
909                 goto out;
910         }
911
912         /* memory config */
913         mem_conf->num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
914         mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS;
915         mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS;
916         mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES;
917         mem_conf->total_tx_descriptors = ACX_TX_DESCRIPTORS;
918
919         ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
920                                    sizeof(*mem_conf));
921         if (ret < 0) {
922                 wl1271_warning("wl1271 mem config failed: %d", ret);
923                 goto out;
924         }
925
926 out:
927         kfree(mem_conf);
928         return ret;
929 }
930
931 int wl1271_acx_init_mem_config(struct wl1271 *wl)
932 {
933         int ret;
934
935         ret = wl1271_acx_mem_cfg(wl);
936         if (ret < 0)
937                 return ret;
938
939         wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
940                                           GFP_KERNEL);
941         if (!wl->target_mem_map) {
942                 wl1271_error("couldn't allocate target memory map");
943                 return -ENOMEM;
944         }
945
946         /* we now ask for the firmware built memory map */
947         ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
948                                  sizeof(struct wl1271_acx_mem_map));
949         if (ret < 0) {
950                 wl1271_error("couldn't retrieve firmware memory map");
951                 kfree(wl->target_mem_map);
952                 wl->target_mem_map = NULL;
953                 return ret;
954         }
955
956         /* initialize TX block book keeping */
957         wl->tx_blocks_available = wl->target_mem_map->num_tx_mem_blocks;
958         wl1271_debug(DEBUG_TX, "available tx blocks: %d",
959                      wl->tx_blocks_available);
960
961         return 0;
962 }
963
964 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
965 {
966         struct wl1271_acx_rx_config_opt *rx_conf;
967         int ret;
968
969         wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
970
971         rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
972         if (!rx_conf) {
973                 ret = -ENOMEM;
974                 goto out;
975         }
976
977         rx_conf->threshold = WL1271_RX_INTR_THRESHOLD_DEF;
978         rx_conf->timeout = WL1271_RX_INTR_TIMEOUT_DEF;
979         rx_conf->mblk_threshold = USHORT_MAX; /* Disabled */
980         rx_conf->queue_type = RX_QUEUE_TYPE_RX_LOW_PRIORITY;
981
982         ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
983                                    sizeof(*rx_conf));
984         if (ret < 0) {
985                 wl1271_warning("wl1271 rx config opt failed: %d", ret);
986                 goto out;
987         }
988
989 out:
990         kfree(rx_conf);
991         return ret;
992 }