2 * This file is part of wl1271
4 * Copyright (C) 2009 Nokia Corporation
6 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
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.
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.
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
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 #include <linux/slab.h>
29 #include "wl12xx_80211.h"
35 int wl1271_sta_init_templates_config(struct wl1271 *wl)
39 /* send empty templates for fw memory reservation */
40 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
41 WL1271_CMD_TEMPL_MAX_SIZE,
42 0, WL1271_RATE_AUTOMATIC);
46 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
47 NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
48 WL1271_RATE_AUTOMATIC);
52 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
53 sizeof(struct wl12xx_null_data_template),
54 0, WL1271_RATE_AUTOMATIC);
58 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
59 sizeof(struct wl12xx_ps_poll_template),
60 0, WL1271_RATE_AUTOMATIC);
64 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
66 (struct wl12xx_qos_null_data_template),
67 0, WL1271_RATE_AUTOMATIC);
71 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
73 (struct wl12xx_probe_resp_template),
74 0, WL1271_RATE_AUTOMATIC);
78 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
80 (struct wl12xx_beacon_template),
81 0, WL1271_RATE_AUTOMATIC);
85 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
87 (struct wl12xx_arp_rsp_template),
88 0, WL1271_RATE_AUTOMATIC);
92 for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
93 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
94 WL1271_CMD_TEMPL_MAX_SIZE, i,
95 WL1271_RATE_AUTOMATIC);
103 static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
105 struct wl12xx_disconn_template *tmpl;
108 tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
114 tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
115 IEEE80211_STYPE_DEAUTH);
117 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
118 tmpl, sizeof(*tmpl), 0,
119 wl1271_tx_min_rate_get(wl));
126 static int wl1271_ap_init_null_template(struct wl1271 *wl)
128 struct ieee80211_hdr_3addr *nullfunc;
131 nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
137 nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
138 IEEE80211_STYPE_NULLFUNC |
139 IEEE80211_FCTL_FROMDS);
141 /* nullfunc->addr1 is filled by FW */
143 memcpy(nullfunc->addr2, wl->mac_addr, ETH_ALEN);
144 memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN);
146 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
147 sizeof(*nullfunc), 0,
148 wl1271_tx_min_rate_get(wl));
155 static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
157 struct ieee80211_qos_hdr *qosnull;
160 qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
166 qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
167 IEEE80211_STYPE_QOS_NULLFUNC |
168 IEEE80211_FCTL_FROMDS);
170 /* qosnull->addr1 is filled by FW */
172 memcpy(qosnull->addr2, wl->mac_addr, ETH_ALEN);
173 memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN);
175 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
177 wl1271_tx_min_rate_get(wl));
184 static int wl1271_ap_init_templates_config(struct wl1271 *wl)
189 * Put very large empty placeholders for all templates. These
190 * reserve memory for later.
192 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
194 (struct wl12xx_probe_resp_template),
195 0, WL1271_RATE_AUTOMATIC);
199 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL,
201 (struct wl12xx_beacon_template),
202 0, WL1271_RATE_AUTOMATIC);
206 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL,
208 (struct wl12xx_disconn_template),
209 0, WL1271_RATE_AUTOMATIC);
213 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
214 sizeof(struct wl12xx_null_data_template),
215 0, WL1271_RATE_AUTOMATIC);
219 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
221 (struct wl12xx_qos_null_data_template),
222 0, WL1271_RATE_AUTOMATIC);
229 static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
233 ret = wl1271_acx_rx_msdu_life_time(wl);
237 ret = wl1271_acx_rx_config(wl, config, filter);
244 int wl1271_init_phy_config(struct wl1271 *wl)
248 ret = wl1271_acx_pd_threshold(wl);
252 ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
256 ret = wl1271_acx_service_period_timeout(wl);
260 ret = wl1271_acx_rts_threshold(wl, wl->conf.rx.rts_threshold);
267 static int wl1271_init_beacon_filter(struct wl1271 *wl)
271 /* disable beacon filtering at this stage */
272 ret = wl1271_acx_beacon_filter_opt(wl, false);
276 ret = wl1271_acx_beacon_filter_table(wl);
283 int wl1271_init_pta(struct wl1271 *wl)
287 ret = wl1271_acx_sg_cfg(wl);
291 ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
298 int wl1271_init_energy_detection(struct wl1271 *wl)
302 ret = wl1271_acx_cca_threshold(wl);
309 static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
313 ret = wl1271_acx_bcn_dtim_options(wl);
320 static int wl1271_sta_hw_init(struct wl1271 *wl)
324 ret = wl1271_cmd_ext_radio_parms(wl);
329 ret = wl1271_acx_config_ps(wl);
333 ret = wl1271_sta_init_templates_config(wl);
337 ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
341 /* Initialize connection monitoring thresholds */
342 ret = wl1271_acx_conn_monit_params(wl, false);
346 /* Beacon filtering */
347 ret = wl1271_init_beacon_filter(wl);
351 /* Bluetooth WLAN coexistence */
352 ret = wl1271_init_pta(wl);
356 /* Beacons and broadcast settings */
357 ret = wl1271_init_beacon_broadcast(wl);
361 /* Configure for ELP power saving */
362 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
366 /* Configure rssi/snr averaging weights */
367 ret = wl1271_acx_rssi_snr_avg_weights(wl);
371 ret = wl1271_acx_sta_rate_policies(wl);
375 ret = wl1271_acx_sta_mem_cfg(wl);
382 static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl)
386 ret = wl1271_cmd_set_sta_default_wep_key(wl, wl->default_key);
388 wl1271_warning("couldn't set default key");
392 /* disable all keep-alive templates */
393 for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
394 ret = wl1271_acx_keep_alive_config(wl, i,
395 ACX_KEEP_ALIVE_TPL_INVALID);
400 /* disable the keep-alive feature */
401 ret = wl1271_acx_keep_alive_mode(wl, false);
408 static int wl1271_ap_hw_init(struct wl1271 *wl)
412 ret = wl1271_ap_init_templates_config(wl);
416 /* Configure for power always on */
417 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
421 /* Configure initial TX rate classes */
422 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
423 ret = wl1271_acx_ap_rate_policy(wl,
424 &wl->conf.tx.ap_rc_conf[i], i);
429 ret = wl1271_acx_ap_rate_policy(wl,
430 &wl->conf.tx.ap_mgmt_conf,
431 ACX_TX_AP_MODE_MGMT_RATE);
435 ret = wl1271_acx_ap_rate_policy(wl,
436 &wl->conf.tx.ap_bcst_conf,
437 ACX_TX_AP_MODE_BCST_RATE);
441 ret = wl1271_acx_max_tx_retry(wl);
445 ret = wl1271_acx_ap_mem_cfg(wl);
452 static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl)
456 ret = wl1271_ap_init_deauth_template(wl);
460 ret = wl1271_ap_init_null_template(wl);
464 ret = wl1271_ap_init_qos_null_template(wl);
471 static void wl1271_check_ba_support(struct wl1271 *wl)
473 /* validate FW cose ver x.x.x.50-60.x */
474 if ((wl->chip.fw_ver[3] >= WL12XX_BA_SUPPORT_FW_COST_VER2_START) &&
475 (wl->chip.fw_ver[3] < WL12XX_BA_SUPPORT_FW_COST_VER2_END)) {
476 wl->ba_support = true;
480 wl->ba_support = false;
483 static int wl1271_set_ba_policies(struct wl1271 *wl)
488 /* Reset the BA RX indicators */
489 wl->ba_rx_bitmap = 0;
491 /* validate that FW support BA */
492 wl1271_check_ba_support(wl);
495 /* 802.11n initiator BA session setting */
496 for (tid_index = 0; tid_index < CONF_TX_MAX_TID_COUNT;
498 ret = wl1271_acx_set_ba_session(wl, WLAN_BACK_INITIATOR,
507 int wl1271_hw_init(struct wl1271 *wl)
509 struct conf_tx_ac_category *conf_ac;
510 struct conf_tx_tid *conf_tid;
512 bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
514 ret = wl1271_cmd_general_parms(wl);
518 ret = wl1271_cmd_radio_parms(wl);
522 /* Mode specific init */
524 ret = wl1271_ap_hw_init(wl);
526 ret = wl1271_sta_hw_init(wl);
531 /* Default memory configuration */
532 ret = wl1271_acx_init_mem_config(wl);
537 ret = wl1271_init_rx_config(wl,
538 RX_CFG_PROMISCUOUS | RX_CFG_TSF,
539 RX_FILTER_OPTION_DEF);
540 /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
541 RX_FILTER_OPTION_FILTER_ALL); */
543 goto out_free_memmap;
545 /* PHY layer config */
546 ret = wl1271_init_phy_config(wl);
548 goto out_free_memmap;
550 ret = wl1271_acx_dco_itrim_params(wl);
552 goto out_free_memmap;
554 /* Configure TX patch complete interrupt behavior */
555 ret = wl1271_acx_tx_config_options(wl);
557 goto out_free_memmap;
559 /* RX complete interrupt pacing */
560 ret = wl1271_acx_init_rx_interrupt(wl);
562 goto out_free_memmap;
564 /* Energy detection */
565 ret = wl1271_init_energy_detection(wl);
567 goto out_free_memmap;
569 /* Default fragmentation threshold */
570 ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold);
572 goto out_free_memmap;
574 /* Default TID/AC configuration */
575 BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
576 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
577 conf_ac = &wl->conf.tx.ac_conf[i];
578 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
579 conf_ac->cw_max, conf_ac->aifsn,
580 conf_ac->tx_op_limit);
582 goto out_free_memmap;
584 conf_tid = &wl->conf.tx.tid_conf[i];
585 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
586 conf_tid->channel_type,
589 conf_tid->ack_policy,
590 conf_tid->apsd_conf[0],
591 conf_tid->apsd_conf[1]);
593 goto out_free_memmap;
596 /* Enable data path */
597 ret = wl1271_cmd_data_path(wl, 1);
599 goto out_free_memmap;
601 /* Configure HW encryption */
602 ret = wl1271_acx_feature_cfg(wl);
604 goto out_free_memmap;
607 ret = wl1271_acx_pm_config(wl);
609 goto out_free_memmap;
611 /* Mode specific init - post mem init */
613 ret = wl1271_ap_hw_init_post_mem(wl);
615 ret = wl1271_sta_hw_init_post_mem(wl);
618 goto out_free_memmap;
620 /* Configure initiator BA sessions policies */
621 ret = wl1271_set_ba_policies(wl);
623 goto out_free_memmap;
628 kfree(wl->target_mem_map);
629 wl->target_mem_map = NULL;