2 * This file is part of wl1271
4 * Copyright (C) 2008-2010 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/module.h>
25 #include <linux/firmware.h>
26 #include <linux/delay.h>
27 #include <linux/spi/spi.h>
28 #include <linux/crc32.h>
29 #include <linux/etherdevice.h>
30 #include <linux/vmalloc.h>
31 #include <linux/platform_device.h>
32 #include <linux/slab.h>
35 #include "wl12xx_80211.h"
36 #include "wl1271_reg.h"
37 #include "wl1271_io.h"
38 #include "wl1271_event.h"
39 #include "wl1271_tx.h"
40 #include "wl1271_rx.h"
41 #include "wl1271_ps.h"
42 #include "wl1271_init.h"
43 #include "wl1271_debugfs.h"
44 #include "wl1271_cmd.h"
45 #include "wl1271_boot.h"
46 #include "wl1271_testmode.h"
48 #define WL1271_BOOT_RETRIES 3
50 static struct conf_drv_settings default_conf = {
53 [CONF_SG_BT_PER_THRESHOLD] = 7500,
54 [CONF_SG_HV3_MAX_OVERRIDE] = 0,
55 [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400,
56 [CONF_SG_BT_LOAD_RATIO] = 50,
57 [CONF_SG_AUTO_PS_MODE] = 1,
58 [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
59 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
60 [CONF_SG_ANTENNA_CONFIGURATION] = 0,
61 [CONF_SG_BEACON_MISS_PERCENT] = 60,
62 [CONF_SG_RATE_ADAPT_THRESH] = 12,
63 [CONF_SG_RATE_ADAPT_SNR] = 0,
64 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10,
65 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30,
66 [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8,
67 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20,
68 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50,
69 /* Note: with UPSD, this should be 4 */
70 [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8,
71 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7,
72 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25,
73 [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20,
74 /* Note: with UPDS, this should be 15 */
75 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8,
76 /* Note: with UPDS, this should be 50 */
77 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40,
78 /* Note: with UPDS, this should be 10 */
79 [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20,
82 [CONF_SG_ADAPTIVE_RXT_TXT] = 1,
83 [CONF_SG_PS_POLL_TIMEOUT] = 10,
84 [CONF_SG_UPSD_TIMEOUT] = 10,
85 [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7,
86 [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15,
87 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15,
88 [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8,
89 [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20,
90 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15,
91 [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20,
92 [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50,
93 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10,
94 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
95 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800,
96 [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75,
97 [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15,
98 [CONF_SG_HV3_MAX_SERVED] = 6,
99 [CONF_SG_DHCP_TIME] = 5000,
100 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
102 .state = CONF_SG_PROTECTIVE,
105 .rx_msdu_life_time = 512000,
106 .packet_detection_threshold = 0,
107 .ps_poll_timeout = 15,
109 .rts_threshold = 2347,
110 .rx_cca_threshold = 0,
111 .irq_blk_threshold = 0xFFFF,
112 .irq_pkt_threshold = 0,
114 .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
117 .tx_energy_detection = 0,
120 .short_retry_limit = 10,
121 .long_retry_limit = 10,
144 .aifsn = CONF_TX_AIFS_PIFS,
151 .aifsn = CONF_TX_AIFS_PIFS,
159 .channel_type = CONF_CHANNEL_TYPE_DCF,
160 .tsid = CONF_TX_AC_BE,
161 .ps_scheme = CONF_PS_SCHEME_LEGACY,
162 .ack_policy = CONF_ACK_POLICY_LEGACY,
167 .channel_type = CONF_CHANNEL_TYPE_DCF,
168 .tsid = CONF_TX_AC_BE,
169 .ps_scheme = CONF_PS_SCHEME_LEGACY,
170 .ack_policy = CONF_ACK_POLICY_LEGACY,
175 .channel_type = CONF_CHANNEL_TYPE_DCF,
176 .tsid = CONF_TX_AC_BE,
177 .ps_scheme = CONF_PS_SCHEME_LEGACY,
178 .ack_policy = CONF_ACK_POLICY_LEGACY,
183 .channel_type = CONF_CHANNEL_TYPE_DCF,
184 .tsid = CONF_TX_AC_BE,
185 .ps_scheme = CONF_PS_SCHEME_LEGACY,
186 .ack_policy = CONF_ACK_POLICY_LEGACY,
191 .channel_type = CONF_CHANNEL_TYPE_DCF,
192 .tsid = CONF_TX_AC_BE,
193 .ps_scheme = CONF_PS_SCHEME_LEGACY,
194 .ack_policy = CONF_ACK_POLICY_LEGACY,
199 .channel_type = CONF_CHANNEL_TYPE_DCF,
200 .tsid = CONF_TX_AC_BE,
201 .ps_scheme = CONF_PS_SCHEME_LEGACY,
202 .ack_policy = CONF_ACK_POLICY_LEGACY,
207 .channel_type = CONF_CHANNEL_TYPE_DCF,
208 .tsid = CONF_TX_AC_BE,
209 .ps_scheme = CONF_PS_SCHEME_LEGACY,
210 .ack_policy = CONF_ACK_POLICY_LEGACY,
214 .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD,
215 .tx_compl_timeout = 700,
216 .tx_compl_threshold = 4,
217 .basic_rate = CONF_HW_BIT_RATE_1MBPS,
218 .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS,
221 .wake_up_event = CONF_WAKE_UP_EVENT_DTIM,
222 .listen_interval = 1,
223 .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED,
224 .bcn_filt_ie_count = 1,
227 .ie = WLAN_EID_CHANNEL_SWITCH,
228 .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE,
231 .synch_fail_thold = 10,
232 .bss_lose_timeout = 100,
233 .beacon_rx_timeout = 10000,
234 .broadcast_timeout = 20000,
235 .rx_broadcast_in_ps = 1,
236 .ps_poll_threshold = 10,
237 .ps_poll_recovery_period = 700,
238 .bet_enable = CONF_BET_MODE_ENABLE,
239 .bet_max_consecutive = 10,
240 .psm_entry_retries = 3,
241 .keep_alive_interval = 55000,
242 .max_listen_interval = 20,
249 .host_clk_settling_time = 5000,
250 .host_fast_wakeup_support = false
253 /* FIXME: due to firmware bug, must use value 1 for now */
255 .avg_weight_rssi_beacon = 20,
256 .avg_weight_rssi_data = 10,
257 .avg_weight_snr_beacon = 20,
258 .avg_weight_snr_data = 10
262 static void wl1271_device_release(struct device *dev)
267 static struct platform_device wl1271_device = {
271 /* device model insists to have a release function */
273 .release = wl1271_device_release,
277 static LIST_HEAD(wl_list);
279 static void wl1271_conf_init(struct wl1271 *wl)
283 * This function applies the default configuration to the driver. This
284 * function is invoked upon driver load (spi probe.)
286 * The configuration is stored in a run-time structure in order to
287 * facilitate for run-time adjustment of any of the parameters. Making
288 * changes to the configuration structure will apply the new values on
289 * the next interface up (wl1271_op_start.)
292 /* apply driver default configuration */
293 memcpy(&wl->conf, &default_conf, sizeof(default_conf));
297 static int wl1271_plt_init(struct wl1271 *wl)
299 struct conf_tx_ac_category *conf_ac;
300 struct conf_tx_tid *conf_tid;
303 ret = wl1271_cmd_general_parms(wl);
307 ret = wl1271_cmd_radio_parms(wl);
311 ret = wl1271_init_templates_config(wl);
315 ret = wl1271_acx_init_mem_config(wl);
319 /* PHY layer config */
320 ret = wl1271_init_phy_config(wl);
322 goto out_free_memmap;
324 ret = wl1271_acx_dco_itrim_params(wl);
326 goto out_free_memmap;
328 /* Initialize connection monitoring thresholds */
329 ret = wl1271_acx_conn_monit_params(wl, false);
331 goto out_free_memmap;
333 /* Bluetooth WLAN coexistence */
334 ret = wl1271_init_pta(wl);
336 goto out_free_memmap;
338 /* Energy detection */
339 ret = wl1271_init_energy_detection(wl);
341 goto out_free_memmap;
343 /* Default fragmentation threshold */
344 ret = wl1271_acx_frag_threshold(wl);
346 goto out_free_memmap;
348 /* Default TID configuration */
349 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
350 conf_tid = &wl->conf.tx.tid_conf[i];
351 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
352 conf_tid->channel_type,
355 conf_tid->ack_policy,
356 conf_tid->apsd_conf[0],
357 conf_tid->apsd_conf[1]);
359 goto out_free_memmap;
362 /* Default AC configuration */
363 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
364 conf_ac = &wl->conf.tx.ac_conf[i];
365 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
366 conf_ac->cw_max, conf_ac->aifsn,
367 conf_ac->tx_op_limit);
369 goto out_free_memmap;
372 /* Enable data path */
373 ret = wl1271_cmd_data_path(wl, 1);
375 goto out_free_memmap;
377 /* Configure for CAM power saving (ie. always active) */
378 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
380 goto out_free_memmap;
383 ret = wl1271_acx_pm_config(wl);
385 goto out_free_memmap;
390 kfree(wl->target_mem_map);
391 wl->target_mem_map = NULL;
396 static void wl1271_fw_status(struct wl1271 *wl,
397 struct wl1271_fw_status *status)
403 wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false);
405 wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
406 "drv_rx_counter = %d, tx_results_counter = %d)",
408 status->fw_rx_counter,
409 status->drv_rx_counter,
410 status->tx_results_counter);
412 /* update number of available TX blocks */
413 for (i = 0; i < NUM_TX_QUEUES; i++) {
414 u32 cnt = le32_to_cpu(status->tx_released_blks[i]) -
415 wl->tx_blocks_freed[i];
417 wl->tx_blocks_freed[i] =
418 le32_to_cpu(status->tx_released_blks[i]);
419 wl->tx_blocks_available += cnt;
423 /* if more blocks are available now, schedule some tx work */
424 if (total && !skb_queue_empty(&wl->tx_queue))
425 ieee80211_queue_work(wl->hw, &wl->tx_work);
427 /* update the host-chipset time offset */
429 wl->time_offset = (timespec_to_ns(&ts) >> 10) -
430 (s64)le32_to_cpu(status->fw_localtime);
433 #define WL1271_IRQ_MAX_LOOPS 10
435 static void wl1271_irq_work(struct work_struct *work)
439 int loopcount = WL1271_IRQ_MAX_LOOPS;
442 container_of(work, struct wl1271, irq_work);
444 mutex_lock(&wl->mutex);
446 wl1271_debug(DEBUG_IRQ, "IRQ work");
448 if (unlikely(wl->state == WL1271_STATE_OFF))
451 ret = wl1271_ps_elp_wakeup(wl, true);
455 spin_lock_irqsave(&wl->wl_lock, flags);
456 while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) {
457 clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
458 spin_unlock_irqrestore(&wl->wl_lock, flags);
461 wl1271_fw_status(wl, wl->fw_status);
462 intr = le32_to_cpu(wl->fw_status->intr);
464 wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
465 spin_lock_irqsave(&wl->wl_lock, flags);
469 intr &= WL1271_INTR_MASK;
471 if (intr & WL1271_ACX_INTR_DATA) {
472 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
474 /* check for tx results */
475 if (wl->fw_status->tx_results_counter !=
476 (wl->tx_results_count & 0xff))
477 wl1271_tx_complete(wl);
479 wl1271_rx(wl, wl->fw_status);
482 if (intr & WL1271_ACX_INTR_EVENT_A) {
483 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
484 wl1271_event_handle(wl, 0);
487 if (intr & WL1271_ACX_INTR_EVENT_B) {
488 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
489 wl1271_event_handle(wl, 1);
492 if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
493 wl1271_debug(DEBUG_IRQ,
494 "WL1271_ACX_INTR_INIT_COMPLETE");
496 if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
497 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
499 spin_lock_irqsave(&wl->wl_lock, flags);
502 if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags))
503 ieee80211_queue_work(wl->hw, &wl->irq_work);
505 clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
506 spin_unlock_irqrestore(&wl->wl_lock, flags);
508 wl1271_ps_elp_sleep(wl);
511 mutex_unlock(&wl->mutex);
514 static int wl1271_fetch_firmware(struct wl1271 *wl)
516 const struct firmware *fw;
519 ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
522 wl1271_error("could not get firmware: %d", ret);
527 wl1271_error("firmware size is not multiple of 32 bits: %zu",
533 wl->fw_len = fw->size;
534 wl->fw = vmalloc(wl->fw_len);
537 wl1271_error("could not allocate memory for the firmware");
542 memcpy(wl->fw, fw->data, wl->fw_len);
547 release_firmware(fw);
552 static int wl1271_fetch_nvs(struct wl1271 *wl)
554 const struct firmware *fw;
557 ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
560 wl1271_error("could not get nvs file: %d", ret);
565 * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band
566 * configurations) can be removed when those NVS files stop floating
569 if (fw->size != sizeof(struct wl1271_nvs_file) &&
570 (fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
571 wl1271_11a_enabled())) {
572 wl1271_error("nvs size is not as expected: %zu != %zu",
573 fw->size, sizeof(struct wl1271_nvs_file));
578 wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
581 wl1271_error("could not allocate memory for the nvs file");
586 memcpy(wl->nvs, fw->data, fw->size);
589 release_firmware(fw);
594 static void wl1271_fw_wakeup(struct wl1271 *wl)
598 elp_reg = ELPCTRL_WAKE_UP;
599 wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
602 static int wl1271_setup(struct wl1271 *wl)
604 wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL);
608 wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL);
609 if (!wl->tx_res_if) {
610 kfree(wl->fw_status);
614 INIT_WORK(&wl->irq_work, wl1271_irq_work);
615 INIT_WORK(&wl->tx_work, wl1271_tx_work);
619 static int wl1271_chip_wakeup(struct wl1271 *wl)
621 struct wl1271_partition_set partition;
624 msleep(WL1271_PRE_POWER_ON_SLEEP);
626 msleep(WL1271_POWER_ON_SLEEP);
630 /* We don't need a real memory partition here, because we only want
631 * to use the registers at this point. */
632 memset(&partition, 0, sizeof(partition));
633 partition.reg.start = REGISTERS_BASE;
634 partition.reg.size = REGISTERS_DOWN_SIZE;
635 wl1271_set_partition(wl, &partition);
637 /* ELP module wake up */
638 wl1271_fw_wakeup(wl);
640 /* whal_FwCtrl_BootSm() */
642 /* 0. read chip id from CHIP_ID */
643 wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
645 /* 1. check if chip id is valid */
647 switch (wl->chip.id) {
648 case CHIP_ID_1271_PG10:
649 wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
652 ret = wl1271_setup(wl);
656 case CHIP_ID_1271_PG20:
657 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
660 ret = wl1271_setup(wl);
665 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
670 if (wl->fw == NULL) {
671 ret = wl1271_fetch_firmware(wl);
676 /* No NVS from netlink, try to get it from the filesystem */
677 if (wl->nvs == NULL) {
678 ret = wl1271_fetch_nvs(wl);
687 int wl1271_plt_start(struct wl1271 *wl)
689 int retries = WL1271_BOOT_RETRIES;
692 mutex_lock(&wl->mutex);
694 wl1271_notice("power up");
696 if (wl->state != WL1271_STATE_OFF) {
697 wl1271_error("cannot go into PLT state because not "
698 "in off state: %d", wl->state);
705 ret = wl1271_chip_wakeup(wl);
709 ret = wl1271_boot(wl);
713 ret = wl1271_plt_init(wl);
717 wl->state = WL1271_STATE_PLT;
718 wl1271_notice("firmware booted in PLT mode (%s)",
723 wl1271_disable_interrupts(wl);
724 mutex_unlock(&wl->mutex);
725 /* Unlocking the mutex in the middle of handling is
726 inherently unsafe. In this case we deem it safe to do,
727 because we need to let any possibly pending IRQ out of
728 the system (and while we are WL1271_STATE_OFF the IRQ
729 work function will not do anything.) Also, any other
730 possible concurrent operations will fail due to the
731 current state, hence the wl1271 struct should be safe. */
732 cancel_work_sync(&wl->irq_work);
733 mutex_lock(&wl->mutex);
735 wl1271_power_off(wl);
738 wl1271_error("firmware boot in PLT mode failed despite %d retries",
739 WL1271_BOOT_RETRIES);
741 mutex_unlock(&wl->mutex);
746 int wl1271_plt_stop(struct wl1271 *wl)
750 mutex_lock(&wl->mutex);
752 wl1271_notice("power down");
754 if (wl->state != WL1271_STATE_PLT) {
755 wl1271_error("cannot power down because not in PLT "
756 "state: %d", wl->state);
761 wl1271_disable_interrupts(wl);
762 wl1271_power_off(wl);
764 wl->state = WL1271_STATE_OFF;
768 mutex_unlock(&wl->mutex);
774 static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
776 struct wl1271 *wl = hw->priv;
777 struct ieee80211_conf *conf = &hw->conf;
778 struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
779 struct ieee80211_sta *sta = txinfo->control.sta;
782 /* peek into the rates configured in the STA entry */
783 spin_lock_irqsave(&wl->wl_lock, flags);
784 if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) {
785 wl->sta_rate_set = sta->supp_rates[conf->channel->band];
786 set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
788 spin_unlock_irqrestore(&wl->wl_lock, flags);
790 /* queue the packet */
791 skb_queue_tail(&wl->tx_queue, skb);
794 * The chip specific setup must run before the first TX packet -
795 * before that, the tx_work will not be initialized!
798 ieee80211_queue_work(wl->hw, &wl->tx_work);
801 * The workqueue is slow to process the tx_queue and we need stop
802 * the queue here, otherwise the queue will get too long.
804 if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
805 wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
807 spin_lock_irqsave(&wl->wl_lock, flags);
808 ieee80211_stop_queues(wl->hw);
809 set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
810 spin_unlock_irqrestore(&wl->wl_lock, flags);
816 static int wl1271_op_start(struct ieee80211_hw *hw)
818 wl1271_debug(DEBUG_MAC80211, "mac80211 start");
821 * We have to delay the booting of the hardware because
822 * we need to know the local MAC address before downloading and
823 * initializing the firmware. The MAC address cannot be changed
824 * after boot, and without the proper MAC address, the firmware
825 * will not function properly.
827 * The MAC address is first known when the corresponding interface
828 * is added. That is where we will initialize the hardware.
834 static void wl1271_op_stop(struct ieee80211_hw *hw)
836 wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
839 static int wl1271_op_add_interface(struct ieee80211_hw *hw,
840 struct ieee80211_vif *vif)
842 struct wl1271 *wl = hw->priv;
843 int retries = WL1271_BOOT_RETRIES;
846 wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
847 vif->type, vif->addr);
849 mutex_lock(&wl->mutex);
858 case NL80211_IFTYPE_STATION:
859 wl->bss_type = BSS_TYPE_STA_BSS;
860 wl->set_bss_type = BSS_TYPE_STA_BSS;
862 case NL80211_IFTYPE_ADHOC:
863 wl->bss_type = BSS_TYPE_IBSS;
864 wl->set_bss_type = BSS_TYPE_STA_BSS;
871 memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
873 if (wl->state != WL1271_STATE_OFF) {
874 wl1271_error("cannot start because not in off state: %d",
882 ret = wl1271_chip_wakeup(wl);
886 ret = wl1271_boot(wl);
890 ret = wl1271_hw_init(wl);
894 wl->state = WL1271_STATE_ON;
895 wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
899 wl1271_disable_interrupts(wl);
900 mutex_unlock(&wl->mutex);
901 /* Unlocking the mutex in the middle of handling is
902 inherently unsafe. In this case we deem it safe to do,
903 because we need to let any possibly pending IRQ out of
904 the system (and while we are WL1271_STATE_OFF the IRQ
905 work function will not do anything.) Also, any other
906 possible concurrent operations will fail due to the
907 current state, hence the wl1271 struct should be safe. */
908 cancel_work_sync(&wl->irq_work);
909 mutex_lock(&wl->mutex);
911 wl1271_power_off(wl);
914 wl1271_error("firmware boot failed despite %d retries",
915 WL1271_BOOT_RETRIES);
917 mutex_unlock(&wl->mutex);
920 list_add(&wl->list, &wl_list);
925 static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
926 struct ieee80211_vif *vif)
928 struct wl1271 *wl = hw->priv;
931 mutex_lock(&wl->mutex);
932 wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
938 WARN_ON(wl->state != WL1271_STATE_ON);
940 /* enable dyn ps just in case (if left on due to fw crash etc) */
941 if (wl->bss_type == BSS_TYPE_STA_BSS)
942 ieee80211_disable_dyn_ps(wl->vif, false);
944 if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
945 mutex_unlock(&wl->mutex);
946 ieee80211_scan_completed(wl->hw, true);
947 mutex_lock(&wl->mutex);
950 wl->state = WL1271_STATE_OFF;
952 wl1271_disable_interrupts(wl);
954 mutex_unlock(&wl->mutex);
956 cancel_work_sync(&wl->irq_work);
957 cancel_work_sync(&wl->tx_work);
958 cancel_delayed_work_sync(&wl->pspoll_work);
960 mutex_lock(&wl->mutex);
962 /* let's notify MAC80211 about the remaining pending TX frames */
964 wl1271_power_off(wl);
966 memset(wl->bssid, 0, ETH_ALEN);
967 memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1);
969 wl->bss_type = MAX_BSS_TYPE;
970 wl->set_bss_type = MAX_BSS_TYPE;
971 wl->band = IEEE80211_BAND_2GHZ;
974 wl->psm_entry_retry = 0;
975 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
976 wl->tx_blocks_available = 0;
977 wl->tx_results_count = 0;
978 wl->tx_packets_count = 0;
979 wl->tx_security_last_seq = 0;
980 wl->tx_security_seq = 0;
982 wl->session_counter = 0;
983 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
984 wl->sta_rate_set = 0;
989 for (i = 0; i < NUM_TX_QUEUES; i++)
990 wl->tx_blocks_freed[i] = 0;
992 wl1271_debugfs_reset(wl);
994 kfree(wl->fw_status);
995 wl->fw_status = NULL;
996 kfree(wl->tx_res_if);
997 wl->tx_res_if = NULL;
998 kfree(wl->target_mem_map);
999 wl->target_mem_map = NULL;
1001 mutex_unlock(&wl->mutex);
1004 static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
1006 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
1007 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
1009 /* combine requested filters with current filter config */
1010 filters = wl->filters | filters;
1012 wl1271_debug(DEBUG_FILTERS, "RX filters set: ");
1014 if (filters & FIF_PROMISC_IN_BSS) {
1015 wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS");
1016 wl->rx_config &= ~CFG_UNI_FILTER_EN;
1017 wl->rx_config |= CFG_BSSID_FILTER_EN;
1019 if (filters & FIF_BCN_PRBRESP_PROMISC) {
1020 wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC");
1021 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1022 wl->rx_config &= ~CFG_SSID_FILTER_EN;
1024 if (filters & FIF_OTHER_BSS) {
1025 wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS");
1026 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1028 if (filters & FIF_CONTROL) {
1029 wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL");
1030 wl->rx_filter |= CFG_RX_CTL_EN;
1032 if (filters & FIF_FCSFAIL) {
1033 wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL");
1034 wl->rx_filter |= CFG_RX_FCS_ERROR;
1038 static int wl1271_dummy_join(struct wl1271 *wl)
1041 /* we need to use a dummy BSSID for now */
1042 static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
1045 memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
1047 /* pass through frames from all BSS */
1048 wl1271_configure_filters(wl, FIF_OTHER_BSS);
1050 ret = wl1271_cmd_join(wl, wl->set_bss_type);
1054 set_bit(WL1271_FLAG_JOINED, &wl->flags);
1060 static int wl1271_join(struct wl1271 *wl, bool set_assoc)
1065 * One of the side effects of the JOIN command is that is clears
1066 * WPA/WPA2 keys from the chipset. Performing a JOIN while associated
1067 * to a WPA/WPA2 access point will therefore kill the data-path.
1068 * Currently there is no supported scenario for JOIN during
1069 * association - if it becomes a supported scenario, the WPA/WPA2 keys
1070 * must be handled somehow.
1073 if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1074 wl1271_info("JOIN while associated.");
1077 set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
1079 ret = wl1271_cmd_join(wl, wl->set_bss_type);
1083 set_bit(WL1271_FLAG_JOINED, &wl->flags);
1085 if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1089 * The join command disable the keep-alive mode, shut down its process,
1090 * and also clear the template config, so we need to reset it all after
1091 * the join. The acx_aid starts the keep-alive process, and the order
1092 * of the commands below is relevant.
1094 ret = wl1271_acx_keep_alive_mode(wl, true);
1098 ret = wl1271_acx_aid(wl, wl->aid);
1102 ret = wl1271_cmd_build_klv_null_data(wl);
1106 ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
1107 ACX_KEEP_ALIVE_TPL_VALID);
1115 static int wl1271_unjoin(struct wl1271 *wl)
1119 /* to stop listening to a channel, we disconnect */
1120 ret = wl1271_cmd_disconnect(wl);
1124 clear_bit(WL1271_FLAG_JOINED, &wl->flags);
1125 memset(wl->bssid, 0, ETH_ALEN);
1127 /* stop filterting packets based on bssid */
1128 wl1271_configure_filters(wl, FIF_OTHER_BSS);
1134 static void wl1271_set_band_rate(struct wl1271 *wl)
1136 if (wl->band == IEEE80211_BAND_2GHZ)
1137 wl->basic_rate_set = wl->conf.tx.basic_rate;
1139 wl->basic_rate_set = wl->conf.tx.basic_rate_5;
1142 static u32 wl1271_min_rate_get(struct wl1271 *wl)
1147 if (!wl->basic_rate_set) {
1149 wl->basic_rate_set = wl->conf.tx.basic_rate;
1152 for (i = 0; !rate; i++) {
1153 if ((wl->basic_rate_set >> i) & 0x1)
1160 static int wl1271_handle_idle(struct wl1271 *wl, bool idle)
1165 if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
1166 ret = wl1271_unjoin(wl);
1170 wl->rate_set = wl1271_min_rate_get(wl);
1171 wl->sta_rate_set = 0;
1172 ret = wl1271_acx_rate_policies(wl);
1175 ret = wl1271_acx_keep_alive_config(
1176 wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
1177 ACX_KEEP_ALIVE_TPL_INVALID);
1180 set_bit(WL1271_FLAG_IDLE, &wl->flags);
1182 /* increment the session counter */
1183 wl->session_counter++;
1184 if (wl->session_counter >= SESSION_COUNTER_MAX)
1185 wl->session_counter = 0;
1186 ret = wl1271_dummy_join(wl);
1189 clear_bit(WL1271_FLAG_IDLE, &wl->flags);
1196 static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
1198 struct wl1271 *wl = hw->priv;
1199 struct ieee80211_conf *conf = &hw->conf;
1200 int channel, ret = 0;
1202 channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
1204 wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s",
1206 conf->flags & IEEE80211_CONF_PS ? "on" : "off",
1208 conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use");
1211 * mac80211 will go to idle nearly immediately after transmitting some
1212 * frames, such as the deauth. To make sure those frames reach the air,
1213 * wait here until the TX queue is fully flushed.
1215 if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
1216 (conf->flags & IEEE80211_CONF_IDLE))
1217 wl1271_tx_flush(wl);
1219 mutex_lock(&wl->mutex);
1221 if (unlikely(wl->state == WL1271_STATE_OFF))
1224 ret = wl1271_ps_elp_wakeup(wl, false);
1228 /* if the channel changes while joined, join again */
1229 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
1230 ((wl->band != conf->channel->band) ||
1231 (wl->channel != channel))) {
1232 wl->band = conf->channel->band;
1233 wl->channel = channel;
1236 * FIXME: the mac80211 should really provide a fixed rate
1237 * to use here. for now, just use the smallest possible rate
1238 * for the band as a fixed rate for association frames and
1239 * other control messages.
1241 if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1242 wl1271_set_band_rate(wl);
1244 wl->basic_rate = wl1271_min_rate_get(wl);
1245 ret = wl1271_acx_rate_policies(wl);
1247 wl1271_warning("rate policy for update channel "
1250 if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
1251 ret = wl1271_join(wl, false);
1253 wl1271_warning("cmd join to update channel "
1258 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
1259 ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE);
1261 wl1271_warning("idle mode change failed %d", ret);
1265 * if mac80211 changes the PSM mode, make sure the mode is not
1266 * incorrectly changed after the pspoll failure active window.
1268 if (changed & IEEE80211_CONF_CHANGE_PS)
1269 clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
1271 if (conf->flags & IEEE80211_CONF_PS &&
1272 !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
1273 set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
1276 * We enter PSM only if we're already associated.
1277 * If we're not, we'll enter it when joining an SSID,
1278 * through the bss_info_changed() hook.
1280 if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
1281 wl1271_debug(DEBUG_PSM, "psm enabled");
1282 ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
1285 } else if (!(conf->flags & IEEE80211_CONF_PS) &&
1286 test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
1287 wl1271_debug(DEBUG_PSM, "psm disabled");
1289 clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
1291 if (test_bit(WL1271_FLAG_PSM, &wl->flags))
1292 ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
1296 if (conf->power_level != wl->power_level) {
1297 ret = wl1271_acx_tx_power(wl, conf->power_level);
1301 wl->power_level = conf->power_level;
1305 wl1271_ps_elp_sleep(wl);
1308 mutex_unlock(&wl->mutex);
1313 struct wl1271_filter_params {
1316 u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
1319 static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw,
1320 struct netdev_hw_addr_list *mc_list)
1322 struct wl1271_filter_params *fp;
1323 struct netdev_hw_addr *ha;
1324 struct wl1271 *wl = hw->priv;
1326 if (unlikely(wl->state == WL1271_STATE_OFF))
1329 fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
1331 wl1271_error("Out of memory setting filters.");
1335 /* update multicast filtering parameters */
1336 fp->mc_list_length = 0;
1337 if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) {
1338 fp->enabled = false;
1341 netdev_hw_addr_list_for_each(ha, mc_list) {
1342 memcpy(fp->mc_list[fp->mc_list_length],
1343 ha->addr, ETH_ALEN);
1344 fp->mc_list_length++;
1348 return (u64)(unsigned long)fp;
1351 #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
1354 FIF_BCN_PRBRESP_PROMISC | \
1358 static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
1359 unsigned int changed,
1360 unsigned int *total, u64 multicast)
1362 struct wl1271_filter_params *fp = (void *)(unsigned long)multicast;
1363 struct wl1271 *wl = hw->priv;
1366 wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter");
1368 mutex_lock(&wl->mutex);
1370 *total &= WL1271_SUPPORTED_FILTERS;
1371 changed &= WL1271_SUPPORTED_FILTERS;
1373 if (unlikely(wl->state == WL1271_STATE_OFF))
1376 ret = wl1271_ps_elp_wakeup(wl, false);
1381 if (*total & FIF_ALLMULTI)
1382 ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
1384 ret = wl1271_acx_group_address_tbl(wl, fp->enabled,
1386 fp->mc_list_length);
1390 /* determine, whether supported filter values have changed */
1394 /* configure filters */
1395 wl->filters = *total;
1396 wl1271_configure_filters(wl, 0);
1398 /* apply configured filters */
1399 ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
1404 wl1271_ps_elp_sleep(wl);
1407 mutex_unlock(&wl->mutex);
1411 static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1412 struct ieee80211_vif *vif,
1413 struct ieee80211_sta *sta,
1414 struct ieee80211_key_conf *key_conf)
1416 struct wl1271 *wl = hw->priv;
1423 static const u8 bcast_addr[ETH_ALEN] =
1424 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1426 wl1271_debug(DEBUG_MAC80211, "mac80211 set key");
1428 addr = sta ? sta->addr : bcast_addr;
1430 wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd);
1431 wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN);
1432 wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
1433 key_conf->alg, key_conf->keyidx,
1434 key_conf->keylen, key_conf->flags);
1435 wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
1437 if (is_zero_ether_addr(addr)) {
1438 /* We dont support TX only encryption */
1443 mutex_lock(&wl->mutex);
1445 ret = wl1271_ps_elp_wakeup(wl, false);
1449 switch (key_conf->alg) {
1453 key_conf->hw_key_idx = key_conf->keyidx;
1456 key_type = KEY_TKIP;
1458 key_conf->hw_key_idx = key_conf->keyidx;
1459 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1460 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
1465 key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1466 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1467 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
1470 wl1271_error("Unknown key algo 0x%x", key_conf->alg);
1478 ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
1479 key_conf->keyidx, key_type,
1480 key_conf->keylen, key_conf->key,
1481 addr, tx_seq_32, tx_seq_16);
1483 wl1271_error("Could not add or replace key");
1487 /* the default WEP key needs to be configured at least once */
1488 if (key_type == KEY_WEP) {
1489 ret = wl1271_cmd_set_default_wep_key(wl,
1497 /* The wl1271 does not allow to remove unicast keys - they
1498 will be cleared automatically on next CMD_JOIN. Ignore the
1499 request silently, as we dont want the mac80211 to emit
1500 an error message. */
1501 if (!is_broadcast_ether_addr(addr))
1504 ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
1505 key_conf->keyidx, key_type,
1506 key_conf->keylen, key_conf->key,
1509 wl1271_error("Could not remove key");
1515 wl1271_error("Unsupported key cmd 0x%x", cmd);
1521 wl1271_ps_elp_sleep(wl);
1524 mutex_unlock(&wl->mutex);
1530 static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
1531 struct ieee80211_vif *vif,
1532 struct cfg80211_scan_request *req)
1534 struct wl1271 *wl = hw->priv;
1539 wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan");
1542 ssid = req->ssids[0].ssid;
1543 len = req->ssids[0].ssid_len;
1546 mutex_lock(&wl->mutex);
1548 ret = wl1271_ps_elp_wakeup(wl, false);
1552 if (wl1271_11a_enabled())
1553 ret = wl1271_cmd_scan(hw->priv, ssid, len, req,
1554 1, 0, WL1271_SCAN_BAND_DUAL, 3);
1556 ret = wl1271_cmd_scan(hw->priv, ssid, len, req,
1557 1, 0, WL1271_SCAN_BAND_2_4_GHZ, 3);
1559 wl1271_ps_elp_sleep(wl);
1562 mutex_unlock(&wl->mutex);
1567 static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1569 struct wl1271 *wl = hw->priv;
1572 mutex_lock(&wl->mutex);
1574 if (unlikely(wl->state == WL1271_STATE_OFF))
1577 ret = wl1271_ps_elp_wakeup(wl, false);
1581 ret = wl1271_acx_rts_threshold(wl, (u16) value);
1583 wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret);
1585 wl1271_ps_elp_sleep(wl);
1588 mutex_unlock(&wl->mutex);
1593 static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon)
1595 u8 *ptr = beacon->data +
1596 offsetof(struct ieee80211_mgmt, u.beacon.variable);
1598 /* find the location of the ssid in the beacon */
1599 while (ptr < beacon->data + beacon->len) {
1600 if (ptr[0] == WLAN_EID_SSID) {
1601 wl->ssid_len = ptr[1];
1602 memcpy(wl->ssid, ptr+2, wl->ssid_len);
1607 wl1271_error("ad-hoc beacon template has no SSID!\n");
1610 static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
1611 struct ieee80211_vif *vif,
1612 struct ieee80211_bss_conf *bss_conf,
1615 enum wl1271_cmd_ps_mode mode;
1616 struct wl1271 *wl = hw->priv;
1617 bool do_join = false;
1618 bool set_assoc = false;
1621 wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
1623 mutex_lock(&wl->mutex);
1625 ret = wl1271_ps_elp_wakeup(wl, false);
1629 if ((changed && BSS_CHANGED_BEACON_INT) &&
1630 (wl->bss_type == BSS_TYPE_IBSS)) {
1631 wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d",
1632 bss_conf->beacon_int);
1634 wl->beacon_int = bss_conf->beacon_int;
1638 if ((changed && BSS_CHANGED_BEACON) &&
1639 (wl->bss_type == BSS_TYPE_IBSS)) {
1640 struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
1642 wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated");
1645 struct ieee80211_hdr *hdr;
1647 wl1271_ssid_set(wl, beacon);
1648 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
1651 wl1271_min_rate_get(wl));
1654 dev_kfree_skb(beacon);
1658 hdr = (struct ieee80211_hdr *) beacon->data;
1659 hdr->frame_control = cpu_to_le16(
1660 IEEE80211_FTYPE_MGMT |
1661 IEEE80211_STYPE_PROBE_RESP);
1663 ret = wl1271_cmd_template_set(wl,
1664 CMD_TEMPL_PROBE_RESPONSE,
1667 wl1271_min_rate_get(wl));
1668 dev_kfree_skb(beacon);
1672 /* Need to update the SSID (for filtering etc) */
1677 if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
1678 (wl->bss_type == BSS_TYPE_IBSS)) {
1679 wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s",
1680 bss_conf->enable_beacon ? "enabled" : "disabled");
1682 if (bss_conf->enable_beacon)
1683 wl->set_bss_type = BSS_TYPE_IBSS;
1685 wl->set_bss_type = BSS_TYPE_STA_BSS;
1689 if (changed & BSS_CHANGED_CQM) {
1690 bool enable = false;
1691 if (bss_conf->cqm_rssi_thold)
1693 ret = wl1271_acx_rssi_snr_trigger(wl, enable,
1694 bss_conf->cqm_rssi_thold,
1695 bss_conf->cqm_rssi_hyst);
1698 wl->rssi_thold = bss_conf->cqm_rssi_thold;
1701 if ((changed & BSS_CHANGED_BSSID) &&
1703 * Now we know the correct bssid, so we send a new join command
1704 * and enable the BSSID filter
1706 memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
1707 memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
1709 ret = wl1271_cmd_build_null_data(wl);
1713 ret = wl1271_build_qos_null_data(wl);
1717 /* filter out all packets not from this BSSID */
1718 wl1271_configure_filters(wl, 0);
1720 /* Need to update the BSSID (for filtering etc) */
1724 if (changed & BSS_CHANGED_ASSOC) {
1725 if (bss_conf->assoc) {
1727 wl->aid = bss_conf->aid;
1730 wl->ps_poll_failures = 0;
1733 * use basic rates from AP, and determine lowest rate
1734 * to use with control frames.
1736 rates = bss_conf->basic_rates;
1737 wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
1739 wl->basic_rate = wl1271_min_rate_get(wl);
1740 ret = wl1271_acx_rate_policies(wl);
1745 * with wl1271, we don't need to update the
1746 * beacon_int and dtim_period, because the firmware
1747 * updates it by itself when the first beacon is
1748 * received after a join.
1750 ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
1755 * The SSID is intentionally set to NULL here - the
1756 * firmware will set the probe request with a
1757 * broadcast SSID regardless of what we set in the
1760 ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
1763 /* enable the connection monitoring feature */
1764 ret = wl1271_acx_conn_monit_params(wl, true);
1768 /* If we want to go in PSM but we're not there yet */
1769 if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
1770 !test_bit(WL1271_FLAG_PSM, &wl->flags)) {
1771 mode = STATION_POWER_SAVE_MODE;
1772 ret = wl1271_ps_set_mode(wl, mode, true);
1777 /* use defaults when not associated */
1778 clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
1781 /* re-enable dynamic ps - just in case */
1782 ieee80211_disable_dyn_ps(wl->vif, false);
1784 /* revert back to minimum rates for the current band */
1785 wl1271_set_band_rate(wl);
1786 wl->basic_rate = wl1271_min_rate_get(wl);
1787 ret = wl1271_acx_rate_policies(wl);
1791 /* disable connection monitor features */
1792 ret = wl1271_acx_conn_monit_params(wl, false);
1794 /* Disable the keep-alive feature */
1795 ret = wl1271_acx_keep_alive_mode(wl, false);
1803 if (changed & BSS_CHANGED_ERP_SLOT) {
1804 if (bss_conf->use_short_slot)
1805 ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT);
1807 ret = wl1271_acx_slot(wl, SLOT_TIME_LONG);
1809 wl1271_warning("Set slot time failed %d", ret);
1814 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1815 if (bss_conf->use_short_preamble)
1816 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT);
1818 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG);
1821 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1822 if (bss_conf->use_cts_prot)
1823 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE);
1825 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE);
1827 wl1271_warning("Set ctsprotect failed %d", ret);
1832 if (changed & BSS_CHANGED_ARP_FILTER) {
1833 __be32 addr = bss_conf->arp_addr_list[0];
1834 WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
1836 if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled)
1837 ret = wl1271_acx_arp_ip_filter(wl, true, addr);
1839 ret = wl1271_acx_arp_ip_filter(wl, false, addr);
1846 ret = wl1271_join(wl, set_assoc);
1848 wl1271_warning("cmd join failed %d", ret);
1854 wl1271_ps_elp_sleep(wl);
1857 mutex_unlock(&wl->mutex);
1860 static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
1861 const struct ieee80211_tx_queue_params *params)
1863 struct wl1271 *wl = hw->priv;
1867 mutex_lock(&wl->mutex);
1869 wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue);
1871 ret = wl1271_ps_elp_wakeup(wl, false);
1875 /* the txop is confed in units of 32us by the mac80211, we need us */
1876 ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue),
1877 params->cw_min, params->cw_max,
1878 params->aifs, params->txop << 5);
1883 ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
1885 ps_scheme = CONF_PS_SCHEME_LEGACY;
1887 ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue),
1888 CONF_CHANNEL_TYPE_EDCF,
1889 wl1271_tx_get_queue(queue),
1890 ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0);
1895 wl1271_ps_elp_sleep(wl);
1898 mutex_unlock(&wl->mutex);
1903 static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw)
1906 struct wl1271 *wl = hw->priv;
1907 u64 mactime = ULLONG_MAX;
1910 wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf");
1912 mutex_lock(&wl->mutex);
1914 ret = wl1271_ps_elp_wakeup(wl, false);
1918 ret = wl1271_acx_tsf_info(wl, &mactime);
1923 wl1271_ps_elp_sleep(wl);
1926 mutex_unlock(&wl->mutex);
1930 /* can't be const, mac80211 writes to this */
1931 static struct ieee80211_rate wl1271_rates[] = {
1933 .hw_value = CONF_HW_BIT_RATE_1MBPS,
1934 .hw_value_short = CONF_HW_BIT_RATE_1MBPS, },
1936 .hw_value = CONF_HW_BIT_RATE_2MBPS,
1937 .hw_value_short = CONF_HW_BIT_RATE_2MBPS,
1938 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1940 .hw_value = CONF_HW_BIT_RATE_5_5MBPS,
1941 .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS,
1942 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1944 .hw_value = CONF_HW_BIT_RATE_11MBPS,
1945 .hw_value_short = CONF_HW_BIT_RATE_11MBPS,
1946 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1948 .hw_value = CONF_HW_BIT_RATE_6MBPS,
1949 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
1951 .hw_value = CONF_HW_BIT_RATE_9MBPS,
1952 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
1954 .hw_value = CONF_HW_BIT_RATE_12MBPS,
1955 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
1957 .hw_value = CONF_HW_BIT_RATE_18MBPS,
1958 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
1960 .hw_value = CONF_HW_BIT_RATE_24MBPS,
1961 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
1963 .hw_value = CONF_HW_BIT_RATE_36MBPS,
1964 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
1966 .hw_value = CONF_HW_BIT_RATE_48MBPS,
1967 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
1969 .hw_value = CONF_HW_BIT_RATE_54MBPS,
1970 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
1973 /* can't be const, mac80211 writes to this */
1974 static struct ieee80211_channel wl1271_channels[] = {
1975 { .hw_value = 1, .center_freq = 2412, .max_power = 25 },
1976 { .hw_value = 2, .center_freq = 2417, .max_power = 25 },
1977 { .hw_value = 3, .center_freq = 2422, .max_power = 25 },
1978 { .hw_value = 4, .center_freq = 2427, .max_power = 25 },
1979 { .hw_value = 5, .center_freq = 2432, .max_power = 25 },
1980 { .hw_value = 6, .center_freq = 2437, .max_power = 25 },
1981 { .hw_value = 7, .center_freq = 2442, .max_power = 25 },
1982 { .hw_value = 8, .center_freq = 2447, .max_power = 25 },
1983 { .hw_value = 9, .center_freq = 2452, .max_power = 25 },
1984 { .hw_value = 10, .center_freq = 2457, .max_power = 25 },
1985 { .hw_value = 11, .center_freq = 2462, .max_power = 25 },
1986 { .hw_value = 12, .center_freq = 2467, .max_power = 25 },
1987 { .hw_value = 13, .center_freq = 2472, .max_power = 25 },
1990 /* mapping to indexes for wl1271_rates */
1991 static const u8 wl1271_rate_to_idx_2ghz[] = {
1992 /* MCS rates are used only with 11n */
1993 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
1994 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
1995 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
1996 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
1997 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
1998 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
1999 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
2000 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
2002 11, /* CONF_HW_RXTX_RATE_54 */
2003 10, /* CONF_HW_RXTX_RATE_48 */
2004 9, /* CONF_HW_RXTX_RATE_36 */
2005 8, /* CONF_HW_RXTX_RATE_24 */
2007 /* TI-specific rate */
2008 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
2010 7, /* CONF_HW_RXTX_RATE_18 */
2011 6, /* CONF_HW_RXTX_RATE_12 */
2012 3, /* CONF_HW_RXTX_RATE_11 */
2013 5, /* CONF_HW_RXTX_RATE_9 */
2014 4, /* CONF_HW_RXTX_RATE_6 */
2015 2, /* CONF_HW_RXTX_RATE_5_5 */
2016 1, /* CONF_HW_RXTX_RATE_2 */
2017 0 /* CONF_HW_RXTX_RATE_1 */
2020 /* can't be const, mac80211 writes to this */
2021 static struct ieee80211_supported_band wl1271_band_2ghz = {
2022 .channels = wl1271_channels,
2023 .n_channels = ARRAY_SIZE(wl1271_channels),
2024 .bitrates = wl1271_rates,
2025 .n_bitrates = ARRAY_SIZE(wl1271_rates),
2028 /* 5 GHz data rates for WL1273 */
2029 static struct ieee80211_rate wl1271_rates_5ghz[] = {
2031 .hw_value = CONF_HW_BIT_RATE_6MBPS,
2032 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
2034 .hw_value = CONF_HW_BIT_RATE_9MBPS,
2035 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
2037 .hw_value = CONF_HW_BIT_RATE_12MBPS,
2038 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
2040 .hw_value = CONF_HW_BIT_RATE_18MBPS,
2041 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
2043 .hw_value = CONF_HW_BIT_RATE_24MBPS,
2044 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
2046 .hw_value = CONF_HW_BIT_RATE_36MBPS,
2047 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
2049 .hw_value = CONF_HW_BIT_RATE_48MBPS,
2050 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
2052 .hw_value = CONF_HW_BIT_RATE_54MBPS,
2053 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
2056 /* 5 GHz band channels for WL1273 */
2057 static struct ieee80211_channel wl1271_channels_5ghz[] = {
2058 { .hw_value = 183, .center_freq = 4915},
2059 { .hw_value = 184, .center_freq = 4920},
2060 { .hw_value = 185, .center_freq = 4925},
2061 { .hw_value = 187, .center_freq = 4935},
2062 { .hw_value = 188, .center_freq = 4940},
2063 { .hw_value = 189, .center_freq = 4945},
2064 { .hw_value = 192, .center_freq = 4960},
2065 { .hw_value = 196, .center_freq = 4980},
2066 { .hw_value = 7, .center_freq = 5035},
2067 { .hw_value = 8, .center_freq = 5040},
2068 { .hw_value = 9, .center_freq = 5045},
2069 { .hw_value = 11, .center_freq = 5055},
2070 { .hw_value = 12, .center_freq = 5060},
2071 { .hw_value = 16, .center_freq = 5080},
2072 { .hw_value = 34, .center_freq = 5170},
2073 { .hw_value = 36, .center_freq = 5180},
2074 { .hw_value = 38, .center_freq = 5190},
2075 { .hw_value = 40, .center_freq = 5200},
2076 { .hw_value = 42, .center_freq = 5210},
2077 { .hw_value = 44, .center_freq = 5220},
2078 { .hw_value = 46, .center_freq = 5230},
2079 { .hw_value = 48, .center_freq = 5240},
2080 { .hw_value = 52, .center_freq = 5260},
2081 { .hw_value = 56, .center_freq = 5280},
2082 { .hw_value = 60, .center_freq = 5300},
2083 { .hw_value = 64, .center_freq = 5320},
2084 { .hw_value = 100, .center_freq = 5500},
2085 { .hw_value = 104, .center_freq = 5520},
2086 { .hw_value = 108, .center_freq = 5540},
2087 { .hw_value = 112, .center_freq = 5560},
2088 { .hw_value = 116, .center_freq = 5580},
2089 { .hw_value = 120, .center_freq = 5600},
2090 { .hw_value = 124, .center_freq = 5620},
2091 { .hw_value = 128, .center_freq = 5640},
2092 { .hw_value = 132, .center_freq = 5660},
2093 { .hw_value = 136, .center_freq = 5680},
2094 { .hw_value = 140, .center_freq = 5700},
2095 { .hw_value = 149, .center_freq = 5745},
2096 { .hw_value = 153, .center_freq = 5765},
2097 { .hw_value = 157, .center_freq = 5785},
2098 { .hw_value = 161, .center_freq = 5805},
2099 { .hw_value = 165, .center_freq = 5825},
2102 /* mapping to indexes for wl1271_rates_5ghz */
2103 static const u8 wl1271_rate_to_idx_5ghz[] = {
2104 /* MCS rates are used only with 11n */
2105 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
2106 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
2107 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
2108 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
2109 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
2110 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
2111 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
2112 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
2114 7, /* CONF_HW_RXTX_RATE_54 */
2115 6, /* CONF_HW_RXTX_RATE_48 */
2116 5, /* CONF_HW_RXTX_RATE_36 */
2117 4, /* CONF_HW_RXTX_RATE_24 */
2119 /* TI-specific rate */
2120 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
2122 3, /* CONF_HW_RXTX_RATE_18 */
2123 2, /* CONF_HW_RXTX_RATE_12 */
2124 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */
2125 1, /* CONF_HW_RXTX_RATE_9 */
2126 0, /* CONF_HW_RXTX_RATE_6 */
2127 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */
2128 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */
2129 CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */
2132 static struct ieee80211_supported_band wl1271_band_5ghz = {
2133 .channels = wl1271_channels_5ghz,
2134 .n_channels = ARRAY_SIZE(wl1271_channels_5ghz),
2135 .bitrates = wl1271_rates_5ghz,
2136 .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
2139 static const u8 *wl1271_band_rate_to_idx[] = {
2140 [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz,
2141 [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz
2144 static const struct ieee80211_ops wl1271_ops = {
2145 .start = wl1271_op_start,
2146 .stop = wl1271_op_stop,
2147 .add_interface = wl1271_op_add_interface,
2148 .remove_interface = wl1271_op_remove_interface,
2149 .config = wl1271_op_config,
2150 .prepare_multicast = wl1271_op_prepare_multicast,
2151 .configure_filter = wl1271_op_configure_filter,
2153 .set_key = wl1271_op_set_key,
2154 .hw_scan = wl1271_op_hw_scan,
2155 .bss_info_changed = wl1271_op_bss_info_changed,
2156 .set_rts_threshold = wl1271_op_set_rts_threshold,
2157 .conf_tx = wl1271_op_conf_tx,
2158 .get_tsf = wl1271_op_get_tsf,
2159 CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
2163 u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate)
2167 BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
2169 if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) {
2170 wl1271_error("Illegal RX rate from HW: %d", rate);
2174 idx = wl1271_band_rate_to_idx[wl->band][rate];
2175 if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) {
2176 wl1271_error("Unsupported RX rate from HW: %d", rate);
2183 static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev,
2184 struct device_attribute *attr,
2187 struct wl1271 *wl = dev_get_drvdata(dev);
2190 /* FIXME: what's the maximum length of buf? page size?*/
2193 mutex_lock(&wl->mutex);
2194 len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n",
2196 mutex_unlock(&wl->mutex);
2202 static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
2203 struct device_attribute *attr,
2204 const char *buf, size_t count)
2206 struct wl1271 *wl = dev_get_drvdata(dev);
2210 ret = strict_strtoul(buf, 10, &res);
2213 wl1271_warning("incorrect value written to bt_coex_mode");
2217 mutex_lock(&wl->mutex);
2221 if (res == wl->sg_enabled)
2224 wl->sg_enabled = res;
2226 if (wl->state == WL1271_STATE_OFF)
2229 ret = wl1271_ps_elp_wakeup(wl, false);
2233 wl1271_acx_sg_enable(wl, wl->sg_enabled);
2234 wl1271_ps_elp_sleep(wl);
2237 mutex_unlock(&wl->mutex);
2241 static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR,
2242 wl1271_sysfs_show_bt_coex_state,
2243 wl1271_sysfs_store_bt_coex_state);
2245 static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev,
2246 struct device_attribute *attr,
2249 struct wl1271 *wl = dev_get_drvdata(dev);
2252 /* FIXME: what's the maximum length of buf? page size?*/
2255 mutex_lock(&wl->mutex);
2256 if (wl->hw_pg_ver >= 0)
2257 len = snprintf(buf, len, "%d\n", wl->hw_pg_ver);
2259 len = snprintf(buf, len, "n/a\n");
2260 mutex_unlock(&wl->mutex);
2265 static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR,
2266 wl1271_sysfs_show_hw_pg_ver, NULL);
2268 int wl1271_register_hw(struct wl1271 *wl)
2272 if (wl->mac80211_registered)
2275 SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
2277 ret = ieee80211_register_hw(wl->hw);
2279 wl1271_error("unable to register mac80211 hw: %d", ret);
2283 wl->mac80211_registered = true;
2285 wl1271_notice("loaded");
2289 EXPORT_SYMBOL_GPL(wl1271_register_hw);
2291 void wl1271_unregister_hw(struct wl1271 *wl)
2293 ieee80211_unregister_hw(wl->hw);
2294 wl->mac80211_registered = false;
2297 EXPORT_SYMBOL_GPL(wl1271_unregister_hw);
2299 int wl1271_init_ieee80211(struct wl1271 *wl)
2301 /* The tx descriptor buffer and the TKIP space. */
2302 wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE +
2303 sizeof(struct wl1271_tx_hw_descr);
2306 /* FIXME: find a proper value */
2307 wl->hw->channel_change_time = 10000;
2308 wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval;
2310 wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
2311 IEEE80211_HW_BEACON_FILTER |
2312 IEEE80211_HW_SUPPORTS_PS |
2313 IEEE80211_HW_SUPPORTS_UAPSD |
2314 IEEE80211_HW_HAS_RATE_CONTROL |
2315 IEEE80211_HW_CONNECTION_MONITOR |
2316 IEEE80211_HW_SUPPORTS_CQM_RSSI;
2318 wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2319 BIT(NL80211_IFTYPE_ADHOC);
2320 wl->hw->wiphy->max_scan_ssids = 1;
2321 wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
2323 if (wl1271_11a_enabled())
2324 wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
2327 wl->hw->max_rates = 1;
2329 SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
2333 EXPORT_SYMBOL_GPL(wl1271_init_ieee80211);
2335 #define WL1271_DEFAULT_CHANNEL 0
2337 struct ieee80211_hw *wl1271_alloc_hw(void)
2339 struct ieee80211_hw *hw;
2340 struct platform_device *plat_dev = NULL;
2344 hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
2346 wl1271_error("could not alloc ieee80211_hw");
2351 plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL);
2353 wl1271_error("could not allocate platform_device");
2355 goto err_plat_alloc;
2358 memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device));
2361 memset(wl, 0, sizeof(*wl));
2363 INIT_LIST_HEAD(&wl->list);
2366 wl->plat_dev = plat_dev;
2368 skb_queue_head_init(&wl->tx_queue);
2370 INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
2371 INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
2372 wl->channel = WL1271_DEFAULT_CHANNEL;
2373 wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
2374 wl->default_key = 0;
2376 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
2377 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
2378 wl->psm_entry_retry = 0;
2379 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
2380 wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;
2381 wl->basic_rate = CONF_TX_RATE_MASK_BASIC;
2382 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
2383 wl->sta_rate_set = 0;
2384 wl->band = IEEE80211_BAND_2GHZ;
2387 wl->sg_enabled = true;
2390 for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
2391 wl->tx_frames[i] = NULL;
2393 spin_lock_init(&wl->wl_lock);
2395 wl->state = WL1271_STATE_OFF;
2396 mutex_init(&wl->mutex);
2398 /* Apply default driver configuration. */
2399 wl1271_conf_init(wl);
2401 wl1271_debugfs_init(wl);
2403 /* Register platform device */
2404 ret = platform_device_register(wl->plat_dev);
2406 wl1271_error("couldn't register platform device");
2409 dev_set_drvdata(&wl->plat_dev->dev, wl);
2411 /* Create sysfs file to control bt coex state */
2412 ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
2414 wl1271_error("failed to create sysfs file bt_coex_state");
2418 /* Create sysfs file to get HW PG version */
2419 ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver);
2421 wl1271_error("failed to create sysfs file hw_pg_ver");
2422 goto err_bt_coex_state;
2428 device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
2431 platform_device_unregister(wl->plat_dev);
2434 wl1271_debugfs_exit(wl);
2438 ieee80211_free_hw(hw);
2442 return ERR_PTR(ret);
2444 EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
2446 int wl1271_free_hw(struct wl1271 *wl)
2448 platform_device_unregister(wl->plat_dev);
2449 kfree(wl->plat_dev);
2451 wl1271_debugfs_exit(wl);
2458 kfree(wl->fw_status);
2459 kfree(wl->tx_res_if);
2461 ieee80211_free_hw(wl->hw);
2465 EXPORT_SYMBOL_GPL(wl1271_free_hw);
2467 MODULE_LICENSE("GPL");
2468 MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
2469 MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");