Loading...
Note: File does not exist in v5.4.
1/*
2 * This file is part of wl1271
3 *
4 * Copyright (C) 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 <linux/kernel.h>
25#include <linux/module.h>
26#include <linux/slab.h>
27
28#include "init.h"
29#include "wl12xx_80211.h"
30#include "acx.h"
31#include "cmd.h"
32#include "reg.h"
33#include "tx.h"
34#include "io.h"
35
36int wl1271_sta_init_templates_config(struct wl1271 *wl)
37{
38 int ret, i;
39
40 /* send empty templates for fw memory reservation */
41 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
42 WL1271_CMD_TEMPL_MAX_SIZE,
43 0, WL1271_RATE_AUTOMATIC);
44 if (ret < 0)
45 return ret;
46
47 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
48 NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
49 WL1271_RATE_AUTOMATIC);
50 if (ret < 0)
51 return ret;
52
53 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
54 sizeof(struct wl12xx_null_data_template),
55 0, WL1271_RATE_AUTOMATIC);
56 if (ret < 0)
57 return ret;
58
59 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
60 sizeof(struct wl12xx_ps_poll_template),
61 0, WL1271_RATE_AUTOMATIC);
62 if (ret < 0)
63 return ret;
64
65 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
66 sizeof
67 (struct wl12xx_qos_null_data_template),
68 0, WL1271_RATE_AUTOMATIC);
69 if (ret < 0)
70 return ret;
71
72 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
73 sizeof
74 (struct wl12xx_probe_resp_template),
75 0, WL1271_RATE_AUTOMATIC);
76 if (ret < 0)
77 return ret;
78
79 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
80 sizeof
81 (struct wl12xx_beacon_template),
82 0, WL1271_RATE_AUTOMATIC);
83 if (ret < 0)
84 return ret;
85
86 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
87 sizeof
88 (struct wl12xx_arp_rsp_template),
89 0, WL1271_RATE_AUTOMATIC);
90 if (ret < 0)
91 return ret;
92
93 for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
94 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
95 WL1271_CMD_TEMPL_MAX_SIZE, i,
96 WL1271_RATE_AUTOMATIC);
97 if (ret < 0)
98 return ret;
99 }
100
101 return 0;
102}
103
104static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
105{
106 struct wl12xx_disconn_template *tmpl;
107 int ret;
108
109 tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
110 if (!tmpl) {
111 ret = -ENOMEM;
112 goto out;
113 }
114
115 tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
116 IEEE80211_STYPE_DEAUTH);
117
118 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
119 tmpl, sizeof(*tmpl), 0,
120 wl1271_tx_min_rate_get(wl));
121
122out:
123 kfree(tmpl);
124 return ret;
125}
126
127static int wl1271_ap_init_null_template(struct wl1271 *wl)
128{
129 struct ieee80211_hdr_3addr *nullfunc;
130 int ret;
131
132 nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
133 if (!nullfunc) {
134 ret = -ENOMEM;
135 goto out;
136 }
137
138 nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
139 IEEE80211_STYPE_NULLFUNC |
140 IEEE80211_FCTL_FROMDS);
141
142 /* nullfunc->addr1 is filled by FW */
143
144 memcpy(nullfunc->addr2, wl->mac_addr, ETH_ALEN);
145 memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN);
146
147 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
148 sizeof(*nullfunc), 0,
149 wl1271_tx_min_rate_get(wl));
150
151out:
152 kfree(nullfunc);
153 return ret;
154}
155
156static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
157{
158 struct ieee80211_qos_hdr *qosnull;
159 int ret;
160
161 qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
162 if (!qosnull) {
163 ret = -ENOMEM;
164 goto out;
165 }
166
167 qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
168 IEEE80211_STYPE_QOS_NULLFUNC |
169 IEEE80211_FCTL_FROMDS);
170
171 /* qosnull->addr1 is filled by FW */
172
173 memcpy(qosnull->addr2, wl->mac_addr, ETH_ALEN);
174 memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN);
175
176 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
177 sizeof(*qosnull), 0,
178 wl1271_tx_min_rate_get(wl));
179
180out:
181 kfree(qosnull);
182 return ret;
183}
184
185static int wl1271_ap_init_templates_config(struct wl1271 *wl)
186{
187 int ret;
188
189 /*
190 * Put very large empty placeholders for all templates. These
191 * reserve memory for later.
192 */
193 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
194 sizeof
195 (struct wl12xx_probe_resp_template),
196 0, WL1271_RATE_AUTOMATIC);
197 if (ret < 0)
198 return ret;
199
200 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL,
201 sizeof
202 (struct wl12xx_beacon_template),
203 0, WL1271_RATE_AUTOMATIC);
204 if (ret < 0)
205 return ret;
206
207 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL,
208 sizeof
209 (struct wl12xx_disconn_template),
210 0, WL1271_RATE_AUTOMATIC);
211 if (ret < 0)
212 return ret;
213
214 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
215 sizeof(struct wl12xx_null_data_template),
216 0, WL1271_RATE_AUTOMATIC);
217 if (ret < 0)
218 return ret;
219
220 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
221 sizeof
222 (struct wl12xx_qos_null_data_template),
223 0, WL1271_RATE_AUTOMATIC);
224 if (ret < 0)
225 return ret;
226
227 return 0;
228}
229
230static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
231{
232 int ret;
233
234 ret = wl1271_acx_rx_msdu_life_time(wl);
235 if (ret < 0)
236 return ret;
237
238 ret = wl1271_acx_rx_config(wl, config, filter);
239 if (ret < 0)
240 return ret;
241
242 return 0;
243}
244
245int wl1271_init_phy_config(struct wl1271 *wl)
246{
247 int ret;
248
249 ret = wl1271_acx_pd_threshold(wl);
250 if (ret < 0)
251 return ret;
252
253 ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
254 if (ret < 0)
255 return ret;
256
257 ret = wl1271_acx_service_period_timeout(wl);
258 if (ret < 0)
259 return ret;
260
261 ret = wl1271_acx_rts_threshold(wl, wl->hw->wiphy->rts_threshold);
262 if (ret < 0)
263 return ret;
264
265 return 0;
266}
267
268static int wl1271_init_beacon_filter(struct wl1271 *wl)
269{
270 int ret;
271
272 /* disable beacon filtering at this stage */
273 ret = wl1271_acx_beacon_filter_opt(wl, false);
274 if (ret < 0)
275 return ret;
276
277 ret = wl1271_acx_beacon_filter_table(wl);
278 if (ret < 0)
279 return ret;
280
281 return 0;
282}
283
284int wl1271_init_pta(struct wl1271 *wl)
285{
286 int ret;
287
288 if (wl->bss_type == BSS_TYPE_AP_BSS)
289 ret = wl1271_acx_ap_sg_cfg(wl);
290 else
291 ret = wl1271_acx_sta_sg_cfg(wl);
292 if (ret < 0)
293 return ret;
294
295 ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
296 if (ret < 0)
297 return ret;
298
299 return 0;
300}
301
302int wl1271_init_energy_detection(struct wl1271 *wl)
303{
304 int ret;
305
306 ret = wl1271_acx_cca_threshold(wl);
307 if (ret < 0)
308 return ret;
309
310 return 0;
311}
312
313static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
314{
315 int ret;
316
317 ret = wl1271_acx_bcn_dtim_options(wl);
318 if (ret < 0)
319 return ret;
320
321 return 0;
322}
323
324static int wl12xx_init_fwlog(struct wl1271 *wl)
325{
326 int ret;
327
328 if (wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED)
329 return 0;
330
331 ret = wl12xx_cmd_config_fwlog(wl);
332 if (ret < 0)
333 return ret;
334
335 return 0;
336}
337
338static int wl1271_sta_hw_init(struct wl1271 *wl)
339{
340 int ret;
341
342 if (wl->chip.id != CHIP_ID_1283_PG20) {
343 ret = wl1271_cmd_ext_radio_parms(wl);
344 if (ret < 0)
345 return ret;
346 }
347
348 /* PS config */
349 ret = wl1271_acx_config_ps(wl);
350 if (ret < 0)
351 return ret;
352
353 ret = wl1271_sta_init_templates_config(wl);
354 if (ret < 0)
355 return ret;
356
357 ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
358 if (ret < 0)
359 return ret;
360
361 /* Initialize connection monitoring thresholds */
362 ret = wl1271_acx_conn_monit_params(wl, false);
363 if (ret < 0)
364 return ret;
365
366 /* Beacon filtering */
367 ret = wl1271_init_beacon_filter(wl);
368 if (ret < 0)
369 return ret;
370
371 /* FM WLAN coexistence */
372 ret = wl1271_acx_fm_coex(wl);
373 if (ret < 0)
374 return ret;
375
376 /* Beacons and broadcast settings */
377 ret = wl1271_init_beacon_broadcast(wl);
378 if (ret < 0)
379 return ret;
380
381 /* Configure for ELP power saving */
382 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
383 if (ret < 0)
384 return ret;
385
386 /* Configure rssi/snr averaging weights */
387 ret = wl1271_acx_rssi_snr_avg_weights(wl);
388 if (ret < 0)
389 return ret;
390
391 ret = wl1271_acx_sta_rate_policies(wl);
392 if (ret < 0)
393 return ret;
394
395 ret = wl1271_acx_sta_mem_cfg(wl);
396 if (ret < 0)
397 return ret;
398
399 /* Configure the FW logger */
400 ret = wl12xx_init_fwlog(wl);
401 if (ret < 0)
402 return ret;
403
404 return 0;
405}
406
407static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl)
408{
409 int ret, i;
410
411 ret = wl1271_cmd_set_sta_default_wep_key(wl, wl->default_key);
412 if (ret < 0) {
413 wl1271_warning("couldn't set default key");
414 return ret;
415 }
416
417 /* disable all keep-alive templates */
418 for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
419 ret = wl1271_acx_keep_alive_config(wl, i,
420 ACX_KEEP_ALIVE_TPL_INVALID);
421 if (ret < 0)
422 return ret;
423 }
424
425 /* disable the keep-alive feature */
426 ret = wl1271_acx_keep_alive_mode(wl, false);
427 if (ret < 0)
428 return ret;
429
430 return 0;
431}
432
433static int wl1271_ap_hw_init(struct wl1271 *wl)
434{
435 int ret;
436
437 ret = wl1271_ap_init_templates_config(wl);
438 if (ret < 0)
439 return ret;
440
441 /* Configure for power always on */
442 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
443 if (ret < 0)
444 return ret;
445
446 ret = wl1271_init_ap_rates(wl);
447 if (ret < 0)
448 return ret;
449
450 ret = wl1271_acx_ap_max_tx_retry(wl);
451 if (ret < 0)
452 return ret;
453
454 ret = wl1271_acx_ap_mem_cfg(wl);
455 if (ret < 0)
456 return ret;
457
458 /* initialize Tx power */
459 ret = wl1271_acx_tx_power(wl, wl->power_level);
460 if (ret < 0)
461 return ret;
462
463 return 0;
464}
465
466int wl1271_ap_init_templates(struct wl1271 *wl)
467{
468 int ret;
469
470 ret = wl1271_ap_init_deauth_template(wl);
471 if (ret < 0)
472 return ret;
473
474 ret = wl1271_ap_init_null_template(wl);
475 if (ret < 0)
476 return ret;
477
478 ret = wl1271_ap_init_qos_null_template(wl);
479 if (ret < 0)
480 return ret;
481
482 /*
483 * when operating as AP we want to receive external beacons for
484 * configuring ERP protection.
485 */
486 ret = wl1271_acx_set_ap_beacon_filter(wl, false);
487 if (ret < 0)
488 return ret;
489
490 return 0;
491}
492
493static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl)
494{
495 return wl1271_ap_init_templates(wl);
496}
497
498int wl1271_init_ap_rates(struct wl1271 *wl)
499{
500 int i, ret;
501 struct conf_tx_rate_class rc;
502 u32 supported_rates;
503
504 wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x", wl->basic_rate_set);
505
506 if (wl->basic_rate_set == 0)
507 return -EINVAL;
508
509 rc.enabled_rates = wl->basic_rate_set;
510 rc.long_retry_limit = 10;
511 rc.short_retry_limit = 10;
512 rc.aflags = 0;
513 ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_MGMT_RATE);
514 if (ret < 0)
515 return ret;
516
517 /* use the min basic rate for AP broadcast/multicast */
518 rc.enabled_rates = wl1271_tx_min_rate_get(wl);
519 rc.short_retry_limit = 10;
520 rc.long_retry_limit = 10;
521 rc.aflags = 0;
522 ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_BCST_RATE);
523 if (ret < 0)
524 return ret;
525
526 /*
527 * If the basic rates contain OFDM rates, use OFDM only
528 * rates for unicast TX as well. Else use all supported rates.
529 */
530 if ((wl->basic_rate_set & CONF_TX_OFDM_RATES))
531 supported_rates = CONF_TX_OFDM_RATES;
532 else
533 supported_rates = CONF_TX_AP_ENABLED_RATES;
534
535 /* configure unicast TX rate classes */
536 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
537 rc.enabled_rates = supported_rates;
538 rc.short_retry_limit = 10;
539 rc.long_retry_limit = 10;
540 rc.aflags = 0;
541 ret = wl1271_acx_ap_rate_policy(wl, &rc, i);
542 if (ret < 0)
543 return ret;
544 }
545
546 return 0;
547}
548
549static void wl1271_check_ba_support(struct wl1271 *wl)
550{
551 /* validate FW cose ver x.x.x.50-60.x */
552 if ((wl->chip.fw_ver[3] >= WL12XX_BA_SUPPORT_FW_COST_VER2_START) &&
553 (wl->chip.fw_ver[3] < WL12XX_BA_SUPPORT_FW_COST_VER2_END)) {
554 wl->ba_support = true;
555 return;
556 }
557
558 wl->ba_support = false;
559}
560
561static int wl1271_set_ba_policies(struct wl1271 *wl)
562{
563 u8 tid_index;
564 int ret = 0;
565
566 /* Reset the BA RX indicators */
567 wl->ba_rx_bitmap = 0;
568 wl->ba_allowed = true;
569
570 /* validate that FW support BA */
571 wl1271_check_ba_support(wl);
572
573 if (wl->ba_support)
574 /* 802.11n initiator BA session setting */
575 for (tid_index = 0; tid_index < CONF_TX_MAX_TID_COUNT;
576 ++tid_index) {
577 ret = wl1271_acx_set_ba_session(wl, WLAN_BACK_INITIATOR,
578 tid_index, true);
579 if (ret < 0)
580 break;
581 }
582
583 return ret;
584}
585
586int wl1271_chip_specific_init(struct wl1271 *wl)
587{
588 int ret = 0;
589
590 if (wl->chip.id == CHIP_ID_1283_PG20) {
591 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE;
592
593 if (wl->quirks & WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT)
594 /* Enable SDIO padding */
595 host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
596
597 /* Must be before wl1271_acx_init_mem_config() */
598 ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap);
599 if (ret < 0)
600 goto out;
601 }
602out:
603 return ret;
604}
605
606
607int wl1271_hw_init(struct wl1271 *wl)
608{
609 struct conf_tx_ac_category *conf_ac;
610 struct conf_tx_tid *conf_tid;
611 int ret, i;
612 bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
613
614 if (wl->chip.id == CHIP_ID_1283_PG20)
615 ret = wl128x_cmd_general_parms(wl);
616 else
617 ret = wl1271_cmd_general_parms(wl);
618 if (ret < 0)
619 return ret;
620
621 if (wl->chip.id == CHIP_ID_1283_PG20)
622 ret = wl128x_cmd_radio_parms(wl);
623 else
624 ret = wl1271_cmd_radio_parms(wl);
625 if (ret < 0)
626 return ret;
627
628 /* Chip-specific init */
629 ret = wl1271_chip_specific_init(wl);
630 if (ret < 0)
631 return ret;
632
633 /* Mode specific init */
634 if (is_ap)
635 ret = wl1271_ap_hw_init(wl);
636 else
637 ret = wl1271_sta_hw_init(wl);
638
639 if (ret < 0)
640 return ret;
641
642 /* Bluetooth WLAN coexistence */
643 ret = wl1271_init_pta(wl);
644 if (ret < 0)
645 return ret;
646
647 /* Default memory configuration */
648 ret = wl1271_acx_init_mem_config(wl);
649 if (ret < 0)
650 return ret;
651
652 /* RX config */
653 ret = wl1271_init_rx_config(wl,
654 RX_CFG_PROMISCUOUS | RX_CFG_TSF,
655 RX_FILTER_OPTION_DEF);
656 /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
657 RX_FILTER_OPTION_FILTER_ALL); */
658 if (ret < 0)
659 goto out_free_memmap;
660
661 /* PHY layer config */
662 ret = wl1271_init_phy_config(wl);
663 if (ret < 0)
664 goto out_free_memmap;
665
666 ret = wl1271_acx_dco_itrim_params(wl);
667 if (ret < 0)
668 goto out_free_memmap;
669
670 /* Configure TX patch complete interrupt behavior */
671 ret = wl1271_acx_tx_config_options(wl);
672 if (ret < 0)
673 goto out_free_memmap;
674
675 /* RX complete interrupt pacing */
676 ret = wl1271_acx_init_rx_interrupt(wl);
677 if (ret < 0)
678 goto out_free_memmap;
679
680 /* Energy detection */
681 ret = wl1271_init_energy_detection(wl);
682 if (ret < 0)
683 goto out_free_memmap;
684
685 /* Default fragmentation threshold */
686 ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold);
687 if (ret < 0)
688 goto out_free_memmap;
689
690 /* Default TID/AC configuration */
691 BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
692 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
693 conf_ac = &wl->conf.tx.ac_conf[i];
694 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
695 conf_ac->cw_max, conf_ac->aifsn,
696 conf_ac->tx_op_limit);
697 if (ret < 0)
698 goto out_free_memmap;
699
700 conf_tid = &wl->conf.tx.tid_conf[i];
701 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
702 conf_tid->channel_type,
703 conf_tid->tsid,
704 conf_tid->ps_scheme,
705 conf_tid->ack_policy,
706 conf_tid->apsd_conf[0],
707 conf_tid->apsd_conf[1]);
708 if (ret < 0)
709 goto out_free_memmap;
710 }
711
712 /* Enable data path */
713 ret = wl1271_cmd_data_path(wl, 1);
714 if (ret < 0)
715 goto out_free_memmap;
716
717 /* Configure HW encryption */
718 ret = wl1271_acx_feature_cfg(wl);
719 if (ret < 0)
720 goto out_free_memmap;
721
722 /* configure PM */
723 ret = wl1271_acx_pm_config(wl);
724 if (ret < 0)
725 goto out_free_memmap;
726
727 /* Mode specific init - post mem init */
728 if (is_ap)
729 ret = wl1271_ap_hw_init_post_mem(wl);
730 else
731 ret = wl1271_sta_hw_init_post_mem(wl);
732
733 if (ret < 0)
734 goto out_free_memmap;
735
736 /* Configure initiator BA sessions policies */
737 ret = wl1271_set_ba_policies(wl);
738 if (ret < 0)
739 goto out_free_memmap;
740
741 return 0;
742
743 out_free_memmap:
744 kfree(wl->target_mem_map);
745 wl->target_mem_map = NULL;
746
747 return ret;
748}