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"
47 #include "wl1271_scan.h"
49 #define WL1271_BOOT_RETRIES 3
51 static struct conf_drv_settings default_conf = {
54 [CONF_SG_BT_PER_THRESHOLD] = 7500,
55 [CONF_SG_HV3_MAX_OVERRIDE] = 0,
56 [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400,
57 [CONF_SG_BT_LOAD_RATIO] = 50,
58 [CONF_SG_AUTO_PS_MODE] = 1,
59 [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
60 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
61 [CONF_SG_ANTENNA_CONFIGURATION] = 0,
62 [CONF_SG_BEACON_MISS_PERCENT] = 60,
63 [CONF_SG_RATE_ADAPT_THRESH] = 12,
64 [CONF_SG_RATE_ADAPT_SNR] = 0,
65 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10,
66 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30,
67 [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8,
68 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20,
69 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50,
70 /* Note: with UPSD, this should be 4 */
71 [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8,
72 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7,
73 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25,
74 [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20,
75 /* Note: with UPDS, this should be 15 */
76 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8,
77 /* Note: with UPDS, this should be 50 */
78 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40,
79 /* Note: with UPDS, this should be 10 */
80 [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20,
83 [CONF_SG_ADAPTIVE_RXT_TXT] = 1,
84 [CONF_SG_PS_POLL_TIMEOUT] = 10,
85 [CONF_SG_UPSD_TIMEOUT] = 10,
86 [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7,
87 [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15,
88 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15,
89 [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8,
90 [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20,
91 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15,
92 [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20,
93 [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50,
94 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10,
95 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
96 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800,
97 [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75,
98 [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15,
99 [CONF_SG_HV3_MAX_SERVED] = 6,
100 [CONF_SG_DHCP_TIME] = 5000,
101 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
103 .state = CONF_SG_PROTECTIVE,
106 .rx_msdu_life_time = 512000,
107 .packet_detection_threshold = 0,
108 .ps_poll_timeout = 15,
110 .rts_threshold = 2347,
111 .rx_cca_threshold = 0,
112 .irq_blk_threshold = 0xFFFF,
113 .irq_pkt_threshold = 0,
115 .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
118 .tx_energy_detection = 0,
121 .short_retry_limit = 10,
122 .long_retry_limit = 10,
145 .aifsn = CONF_TX_AIFS_PIFS,
152 .aifsn = CONF_TX_AIFS_PIFS,
160 .channel_type = CONF_CHANNEL_TYPE_DCF,
161 .tsid = CONF_TX_AC_BE,
162 .ps_scheme = CONF_PS_SCHEME_LEGACY,
163 .ack_policy = CONF_ACK_POLICY_LEGACY,
168 .channel_type = CONF_CHANNEL_TYPE_DCF,
169 .tsid = CONF_TX_AC_BE,
170 .ps_scheme = CONF_PS_SCHEME_LEGACY,
171 .ack_policy = CONF_ACK_POLICY_LEGACY,
176 .channel_type = CONF_CHANNEL_TYPE_DCF,
177 .tsid = CONF_TX_AC_BE,
178 .ps_scheme = CONF_PS_SCHEME_LEGACY,
179 .ack_policy = CONF_ACK_POLICY_LEGACY,
184 .channel_type = CONF_CHANNEL_TYPE_DCF,
185 .tsid = CONF_TX_AC_BE,
186 .ps_scheme = CONF_PS_SCHEME_LEGACY,
187 .ack_policy = CONF_ACK_POLICY_LEGACY,
192 .channel_type = CONF_CHANNEL_TYPE_DCF,
193 .tsid = CONF_TX_AC_BE,
194 .ps_scheme = CONF_PS_SCHEME_LEGACY,
195 .ack_policy = CONF_ACK_POLICY_LEGACY,
200 .channel_type = CONF_CHANNEL_TYPE_DCF,
201 .tsid = CONF_TX_AC_BE,
202 .ps_scheme = CONF_PS_SCHEME_LEGACY,
203 .ack_policy = CONF_ACK_POLICY_LEGACY,
208 .channel_type = CONF_CHANNEL_TYPE_DCF,
209 .tsid = CONF_TX_AC_BE,
210 .ps_scheme = CONF_PS_SCHEME_LEGACY,
211 .ack_policy = CONF_ACK_POLICY_LEGACY,
215 .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD,
216 .tx_compl_timeout = 700,
217 .tx_compl_threshold = 4,
218 .basic_rate = CONF_HW_BIT_RATE_1MBPS,
219 .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS,
222 .wake_up_event = CONF_WAKE_UP_EVENT_DTIM,
223 .listen_interval = 1,
224 .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED,
225 .bcn_filt_ie_count = 1,
228 .ie = WLAN_EID_CHANNEL_SWITCH,
229 .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE,
232 .synch_fail_thold = 10,
233 .bss_lose_timeout = 100,
234 .beacon_rx_timeout = 10000,
235 .broadcast_timeout = 20000,
236 .rx_broadcast_in_ps = 1,
237 .ps_poll_threshold = 10,
238 .ps_poll_recovery_period = 700,
239 .bet_enable = CONF_BET_MODE_ENABLE,
240 .bet_max_consecutive = 10,
241 .psm_entry_retries = 3,
242 .keep_alive_interval = 55000,
243 .max_listen_interval = 20,
250 .host_clk_settling_time = 5000,
251 .host_fast_wakeup_support = false
254 /* FIXME: due to firmware bug, must use value 1 for now */
256 .avg_weight_rssi_beacon = 20,
257 .avg_weight_rssi_data = 10,
258 .avg_weight_snr_beacon = 20,
259 .avg_weight_snr_data = 10
263 static void wl1271_device_release(struct device *dev)
268 static struct platform_device wl1271_device = {
272 /* device model insists to have a release function */
274 .release = wl1271_device_release,
278 static LIST_HEAD(wl_list);
280 static void wl1271_conf_init(struct wl1271 *wl)
284 * This function applies the default configuration to the driver. This
285 * function is invoked upon driver load (spi probe.)
287 * The configuration is stored in a run-time structure in order to
288 * facilitate for run-time adjustment of any of the parameters. Making
289 * changes to the configuration structure will apply the new values on
290 * the next interface up (wl1271_op_start.)
293 /* apply driver default configuration */
294 memcpy(&wl->conf, &default_conf, sizeof(default_conf));
298 static int wl1271_plt_init(struct wl1271 *wl)
300 struct conf_tx_ac_category *conf_ac;
301 struct conf_tx_tid *conf_tid;
304 ret = wl1271_cmd_general_parms(wl);
308 ret = wl1271_cmd_radio_parms(wl);
312 ret = wl1271_init_templates_config(wl);
316 ret = wl1271_acx_init_mem_config(wl);
320 /* PHY layer config */
321 ret = wl1271_init_phy_config(wl);
323 goto out_free_memmap;
325 ret = wl1271_acx_dco_itrim_params(wl);
327 goto out_free_memmap;
329 /* Initialize connection monitoring thresholds */
330 ret = wl1271_acx_conn_monit_params(wl, false);
332 goto out_free_memmap;
334 /* Bluetooth WLAN coexistence */
335 ret = wl1271_init_pta(wl);
337 goto out_free_memmap;
339 /* Energy detection */
340 ret = wl1271_init_energy_detection(wl);
342 goto out_free_memmap;
344 /* Default fragmentation threshold */
345 ret = wl1271_acx_frag_threshold(wl);
347 goto out_free_memmap;
349 /* Default TID configuration */
350 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
351 conf_tid = &wl->conf.tx.tid_conf[i];
352 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
353 conf_tid->channel_type,
356 conf_tid->ack_policy,
357 conf_tid->apsd_conf[0],
358 conf_tid->apsd_conf[1]);
360 goto out_free_memmap;
363 /* Default AC configuration */
364 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
365 conf_ac = &wl->conf.tx.ac_conf[i];
366 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
367 conf_ac->cw_max, conf_ac->aifsn,
368 conf_ac->tx_op_limit);
370 goto out_free_memmap;
373 /* Enable data path */
374 ret = wl1271_cmd_data_path(wl, 1);
376 goto out_free_memmap;
378 /* Configure for CAM power saving (ie. always active) */
379 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
381 goto out_free_memmap;
384 ret = wl1271_acx_pm_config(wl);
386 goto out_free_memmap;
391 kfree(wl->target_mem_map);
392 wl->target_mem_map = NULL;
397 static void wl1271_fw_status(struct wl1271 *wl,
398 struct wl1271_fw_status *status)
404 wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false);
406 wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
407 "drv_rx_counter = %d, tx_results_counter = %d)",
409 status->fw_rx_counter,
410 status->drv_rx_counter,
411 status->tx_results_counter);
413 /* update number of available TX blocks */
414 for (i = 0; i < NUM_TX_QUEUES; i++) {
415 u32 cnt = le32_to_cpu(status->tx_released_blks[i]) -
416 wl->tx_blocks_freed[i];
418 wl->tx_blocks_freed[i] =
419 le32_to_cpu(status->tx_released_blks[i]);
420 wl->tx_blocks_available += cnt;
424 /* if more blocks are available now, schedule some tx work */
425 if (total && !skb_queue_empty(&wl->tx_queue))
426 ieee80211_queue_work(wl->hw, &wl->tx_work);
428 /* update the host-chipset time offset */
430 wl->time_offset = (timespec_to_ns(&ts) >> 10) -
431 (s64)le32_to_cpu(status->fw_localtime);
434 #define WL1271_IRQ_MAX_LOOPS 10
436 static void wl1271_irq_work(struct work_struct *work)
440 int loopcount = WL1271_IRQ_MAX_LOOPS;
443 container_of(work, struct wl1271, irq_work);
445 mutex_lock(&wl->mutex);
447 wl1271_debug(DEBUG_IRQ, "IRQ work");
449 if (unlikely(wl->state == WL1271_STATE_OFF))
452 ret = wl1271_ps_elp_wakeup(wl, true);
456 spin_lock_irqsave(&wl->wl_lock, flags);
457 while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) {
458 clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
459 spin_unlock_irqrestore(&wl->wl_lock, flags);
462 wl1271_fw_status(wl, wl->fw_status);
463 intr = le32_to_cpu(wl->fw_status->intr);
465 wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
466 spin_lock_irqsave(&wl->wl_lock, flags);
470 intr &= WL1271_INTR_MASK;
472 if (intr & WL1271_ACX_INTR_DATA) {
473 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
475 /* check for tx results */
476 if (wl->fw_status->tx_results_counter !=
477 (wl->tx_results_count & 0xff))
478 wl1271_tx_complete(wl);
480 wl1271_rx(wl, wl->fw_status);
483 if (intr & WL1271_ACX_INTR_EVENT_A) {
484 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
485 wl1271_event_handle(wl, 0);
488 if (intr & WL1271_ACX_INTR_EVENT_B) {
489 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
490 wl1271_event_handle(wl, 1);
493 if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
494 wl1271_debug(DEBUG_IRQ,
495 "WL1271_ACX_INTR_INIT_COMPLETE");
497 if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
498 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
500 spin_lock_irqsave(&wl->wl_lock, flags);
503 if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags))
504 ieee80211_queue_work(wl->hw, &wl->irq_work);
506 clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
507 spin_unlock_irqrestore(&wl->wl_lock, flags);
509 wl1271_ps_elp_sleep(wl);
512 mutex_unlock(&wl->mutex);
515 static int wl1271_fetch_firmware(struct wl1271 *wl)
517 const struct firmware *fw;
520 ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
523 wl1271_error("could not get firmware: %d", ret);
528 wl1271_error("firmware size is not multiple of 32 bits: %zu",
534 wl->fw_len = fw->size;
535 wl->fw = vmalloc(wl->fw_len);
538 wl1271_error("could not allocate memory for the firmware");
543 memcpy(wl->fw, fw->data, wl->fw_len);
548 release_firmware(fw);
553 static int wl1271_fetch_nvs(struct wl1271 *wl)
555 const struct firmware *fw;
558 ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
561 wl1271_error("could not get nvs file: %d", ret);
566 * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band
567 * configurations) can be removed when those NVS files stop floating
570 if (fw->size != sizeof(struct wl1271_nvs_file) &&
571 (fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
572 wl1271_11a_enabled())) {
573 wl1271_error("nvs size is not as expected: %zu != %zu",
574 fw->size, sizeof(struct wl1271_nvs_file));
579 wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
582 wl1271_error("could not allocate memory for the nvs file");
587 memcpy(wl->nvs, fw->data, fw->size);
590 release_firmware(fw);
595 static void wl1271_fw_wakeup(struct wl1271 *wl)
599 elp_reg = ELPCTRL_WAKE_UP;
600 wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
603 static int wl1271_setup(struct wl1271 *wl)
605 wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL);
609 wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL);
610 if (!wl->tx_res_if) {
611 kfree(wl->fw_status);
615 INIT_WORK(&wl->irq_work, wl1271_irq_work);
616 INIT_WORK(&wl->tx_work, wl1271_tx_work);
620 static int wl1271_chip_wakeup(struct wl1271 *wl)
622 struct wl1271_partition_set partition;
625 msleep(WL1271_PRE_POWER_ON_SLEEP);
627 msleep(WL1271_POWER_ON_SLEEP);
631 /* We don't need a real memory partition here, because we only want
632 * to use the registers at this point. */
633 memset(&partition, 0, sizeof(partition));
634 partition.reg.start = REGISTERS_BASE;
635 partition.reg.size = REGISTERS_DOWN_SIZE;
636 wl1271_set_partition(wl, &partition);
638 /* ELP module wake up */
639 wl1271_fw_wakeup(wl);
641 /* whal_FwCtrl_BootSm() */
643 /* 0. read chip id from CHIP_ID */
644 wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
646 /* 1. check if chip id is valid */
648 switch (wl->chip.id) {
649 case CHIP_ID_1271_PG10:
650 wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
653 ret = wl1271_setup(wl);
657 case CHIP_ID_1271_PG20:
658 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
661 ret = wl1271_setup(wl);
666 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
671 if (wl->fw == NULL) {
672 ret = wl1271_fetch_firmware(wl);
677 /* No NVS from netlink, try to get it from the filesystem */
678 if (wl->nvs == NULL) {
679 ret = wl1271_fetch_nvs(wl);
688 int wl1271_plt_start(struct wl1271 *wl)
690 int retries = WL1271_BOOT_RETRIES;
693 mutex_lock(&wl->mutex);
695 wl1271_notice("power up");
697 if (wl->state != WL1271_STATE_OFF) {
698 wl1271_error("cannot go into PLT state because not "
699 "in off state: %d", wl->state);
706 ret = wl1271_chip_wakeup(wl);
710 ret = wl1271_boot(wl);
714 ret = wl1271_plt_init(wl);
718 wl->state = WL1271_STATE_PLT;
719 wl1271_notice("firmware booted in PLT mode (%s)",
724 wl1271_disable_interrupts(wl);
725 mutex_unlock(&wl->mutex);
726 /* Unlocking the mutex in the middle of handling is
727 inherently unsafe. In this case we deem it safe to do,
728 because we need to let any possibly pending IRQ out of
729 the system (and while we are WL1271_STATE_OFF the IRQ
730 work function will not do anything.) Also, any other
731 possible concurrent operations will fail due to the
732 current state, hence the wl1271 struct should be safe. */
733 cancel_work_sync(&wl->irq_work);
734 mutex_lock(&wl->mutex);
736 wl1271_power_off(wl);
739 wl1271_error("firmware boot in PLT mode failed despite %d retries",
740 WL1271_BOOT_RETRIES);
742 mutex_unlock(&wl->mutex);
747 int wl1271_plt_stop(struct wl1271 *wl)
751 mutex_lock(&wl->mutex);
753 wl1271_notice("power down");
755 if (wl->state != WL1271_STATE_PLT) {
756 wl1271_error("cannot power down because not in PLT "
757 "state: %d", wl->state);
762 wl1271_disable_interrupts(wl);
763 wl1271_power_off(wl);
765 wl->state = WL1271_STATE_OFF;
769 mutex_unlock(&wl->mutex);
775 static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
777 struct wl1271 *wl = hw->priv;
778 struct ieee80211_conf *conf = &hw->conf;
779 struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
780 struct ieee80211_sta *sta = txinfo->control.sta;
783 /* peek into the rates configured in the STA entry */
784 spin_lock_irqsave(&wl->wl_lock, flags);
785 if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) {
786 wl->sta_rate_set = sta->supp_rates[conf->channel->band];
787 set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
789 spin_unlock_irqrestore(&wl->wl_lock, flags);
791 /* queue the packet */
792 skb_queue_tail(&wl->tx_queue, skb);
795 * The chip specific setup must run before the first TX packet -
796 * before that, the tx_work will not be initialized!
799 ieee80211_queue_work(wl->hw, &wl->tx_work);
802 * The workqueue is slow to process the tx_queue and we need stop
803 * the queue here, otherwise the queue will get too long.
805 if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
806 wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
808 spin_lock_irqsave(&wl->wl_lock, flags);
809 ieee80211_stop_queues(wl->hw);
810 set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
811 spin_unlock_irqrestore(&wl->wl_lock, flags);
817 static int wl1271_op_start(struct ieee80211_hw *hw)
819 wl1271_debug(DEBUG_MAC80211, "mac80211 start");
822 * We have to delay the booting of the hardware because
823 * we need to know the local MAC address before downloading and
824 * initializing the firmware. The MAC address cannot be changed
825 * after boot, and without the proper MAC address, the firmware
826 * will not function properly.
828 * The MAC address is first known when the corresponding interface
829 * is added. That is where we will initialize the hardware.
835 static void wl1271_op_stop(struct ieee80211_hw *hw)
837 wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
840 static int wl1271_op_add_interface(struct ieee80211_hw *hw,
841 struct ieee80211_vif *vif)
843 struct wl1271 *wl = hw->priv;
844 int retries = WL1271_BOOT_RETRIES;
847 wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
848 vif->type, vif->addr);
850 mutex_lock(&wl->mutex);
859 case NL80211_IFTYPE_STATION:
860 wl->bss_type = BSS_TYPE_STA_BSS;
861 wl->set_bss_type = BSS_TYPE_STA_BSS;
863 case NL80211_IFTYPE_ADHOC:
864 wl->bss_type = BSS_TYPE_IBSS;
865 wl->set_bss_type = BSS_TYPE_STA_BSS;
872 memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
874 if (wl->state != WL1271_STATE_OFF) {
875 wl1271_error("cannot start because not in off state: %d",
883 ret = wl1271_chip_wakeup(wl);
887 ret = wl1271_boot(wl);
891 ret = wl1271_hw_init(wl);
895 wl->state = WL1271_STATE_ON;
896 wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
900 wl1271_disable_interrupts(wl);
901 mutex_unlock(&wl->mutex);
902 /* Unlocking the mutex in the middle of handling is
903 inherently unsafe. In this case we deem it safe to do,
904 because we need to let any possibly pending IRQ out of
905 the system (and while we are WL1271_STATE_OFF the IRQ
906 work function will not do anything.) Also, any other
907 possible concurrent operations will fail due to the
908 current state, hence the wl1271 struct should be safe. */
909 cancel_work_sync(&wl->irq_work);
910 mutex_lock(&wl->mutex);
912 wl1271_power_off(wl);
915 wl1271_error("firmware boot failed despite %d retries",
916 WL1271_BOOT_RETRIES);
918 mutex_unlock(&wl->mutex);
921 list_add(&wl->list, &wl_list);
926 static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
927 struct ieee80211_vif *vif)
929 struct wl1271 *wl = hw->priv;
932 mutex_lock(&wl->mutex);
933 wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
939 WARN_ON(wl->state != WL1271_STATE_ON);
941 /* enable dyn ps just in case (if left on due to fw crash etc) */
942 if (wl->bss_type == BSS_TYPE_STA_BSS)
943 ieee80211_enable_dyn_ps(wl->vif);
945 if (wl->scan.state != WL1271_SCAN_STATE_IDLE) {
946 mutex_unlock(&wl->mutex);
947 ieee80211_scan_completed(wl->hw, true);
948 mutex_lock(&wl->mutex);
949 wl->scan.state = WL1271_SCAN_STATE_IDLE;
950 kfree(wl->scan.scanned_ch);
951 wl->scan.scanned_ch = NULL;
954 wl->state = WL1271_STATE_OFF;
956 wl1271_disable_interrupts(wl);
958 mutex_unlock(&wl->mutex);
960 cancel_work_sync(&wl->irq_work);
961 cancel_work_sync(&wl->tx_work);
962 cancel_delayed_work_sync(&wl->pspoll_work);
964 mutex_lock(&wl->mutex);
966 /* let's notify MAC80211 about the remaining pending TX frames */
968 wl1271_power_off(wl);
970 memset(wl->bssid, 0, ETH_ALEN);
971 memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1);
973 wl->bss_type = MAX_BSS_TYPE;
974 wl->set_bss_type = MAX_BSS_TYPE;
975 wl->band = IEEE80211_BAND_2GHZ;
978 wl->psm_entry_retry = 0;
979 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
980 wl->tx_blocks_available = 0;
981 wl->tx_results_count = 0;
982 wl->tx_packets_count = 0;
983 wl->tx_security_last_seq = 0;
984 wl->tx_security_seq = 0;
986 wl->session_counter = 0;
987 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
988 wl->sta_rate_set = 0;
993 for (i = 0; i < NUM_TX_QUEUES; i++)
994 wl->tx_blocks_freed[i] = 0;
996 wl1271_debugfs_reset(wl);
998 kfree(wl->fw_status);
999 wl->fw_status = NULL;
1000 kfree(wl->tx_res_if);
1001 wl->tx_res_if = NULL;
1002 kfree(wl->target_mem_map);
1003 wl->target_mem_map = NULL;
1005 mutex_unlock(&wl->mutex);
1008 static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
1010 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
1011 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
1013 /* combine requested filters with current filter config */
1014 filters = wl->filters | filters;
1016 wl1271_debug(DEBUG_FILTERS, "RX filters set: ");
1018 if (filters & FIF_PROMISC_IN_BSS) {
1019 wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS");
1020 wl->rx_config &= ~CFG_UNI_FILTER_EN;
1021 wl->rx_config |= CFG_BSSID_FILTER_EN;
1023 if (filters & FIF_BCN_PRBRESP_PROMISC) {
1024 wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC");
1025 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1026 wl->rx_config &= ~CFG_SSID_FILTER_EN;
1028 if (filters & FIF_OTHER_BSS) {
1029 wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS");
1030 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1032 if (filters & FIF_CONTROL) {
1033 wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL");
1034 wl->rx_filter |= CFG_RX_CTL_EN;
1036 if (filters & FIF_FCSFAIL) {
1037 wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL");
1038 wl->rx_filter |= CFG_RX_FCS_ERROR;
1042 static int wl1271_dummy_join(struct wl1271 *wl)
1045 /* we need to use a dummy BSSID for now */
1046 static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
1049 memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
1051 /* pass through frames from all BSS */
1052 wl1271_configure_filters(wl, FIF_OTHER_BSS);
1054 ret = wl1271_cmd_join(wl, wl->set_bss_type);
1058 set_bit(WL1271_FLAG_JOINED, &wl->flags);
1064 static int wl1271_join(struct wl1271 *wl, bool set_assoc)
1069 * One of the side effects of the JOIN command is that is clears
1070 * WPA/WPA2 keys from the chipset. Performing a JOIN while associated
1071 * to a WPA/WPA2 access point will therefore kill the data-path.
1072 * Currently there is no supported scenario for JOIN during
1073 * association - if it becomes a supported scenario, the WPA/WPA2 keys
1074 * must be handled somehow.
1077 if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1078 wl1271_info("JOIN while associated.");
1081 set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
1083 ret = wl1271_cmd_join(wl, wl->set_bss_type);
1087 set_bit(WL1271_FLAG_JOINED, &wl->flags);
1089 if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1093 * The join command disable the keep-alive mode, shut down its process,
1094 * and also clear the template config, so we need to reset it all after
1095 * the join. The acx_aid starts the keep-alive process, and the order
1096 * of the commands below is relevant.
1098 ret = wl1271_acx_keep_alive_mode(wl, true);
1102 ret = wl1271_acx_aid(wl, wl->aid);
1106 ret = wl1271_cmd_build_klv_null_data(wl);
1110 ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
1111 ACX_KEEP_ALIVE_TPL_VALID);
1119 static int wl1271_unjoin(struct wl1271 *wl)
1123 /* to stop listening to a channel, we disconnect */
1124 ret = wl1271_cmd_disconnect(wl);
1128 clear_bit(WL1271_FLAG_JOINED, &wl->flags);
1129 memset(wl->bssid, 0, ETH_ALEN);
1131 /* stop filterting packets based on bssid */
1132 wl1271_configure_filters(wl, FIF_OTHER_BSS);
1138 static void wl1271_set_band_rate(struct wl1271 *wl)
1140 if (wl->band == IEEE80211_BAND_2GHZ)
1141 wl->basic_rate_set = wl->conf.tx.basic_rate;
1143 wl->basic_rate_set = wl->conf.tx.basic_rate_5;
1146 static u32 wl1271_min_rate_get(struct wl1271 *wl)
1151 if (!wl->basic_rate_set) {
1153 wl->basic_rate_set = wl->conf.tx.basic_rate;
1156 for (i = 0; !rate; i++) {
1157 if ((wl->basic_rate_set >> i) & 0x1)
1164 static int wl1271_handle_idle(struct wl1271 *wl, bool idle)
1169 if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
1170 ret = wl1271_unjoin(wl);
1174 wl->rate_set = wl1271_min_rate_get(wl);
1175 wl->sta_rate_set = 0;
1176 ret = wl1271_acx_rate_policies(wl);
1179 ret = wl1271_acx_keep_alive_config(
1180 wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
1181 ACX_KEEP_ALIVE_TPL_INVALID);
1184 set_bit(WL1271_FLAG_IDLE, &wl->flags);
1186 /* increment the session counter */
1187 wl->session_counter++;
1188 if (wl->session_counter >= SESSION_COUNTER_MAX)
1189 wl->session_counter = 0;
1190 ret = wl1271_dummy_join(wl);
1193 clear_bit(WL1271_FLAG_IDLE, &wl->flags);
1200 static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
1202 struct wl1271 *wl = hw->priv;
1203 struct ieee80211_conf *conf = &hw->conf;
1204 int channel, ret = 0;
1206 channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
1208 wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s",
1210 conf->flags & IEEE80211_CONF_PS ? "on" : "off",
1212 conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use");
1215 * mac80211 will go to idle nearly immediately after transmitting some
1216 * frames, such as the deauth. To make sure those frames reach the air,
1217 * wait here until the TX queue is fully flushed.
1219 if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
1220 (conf->flags & IEEE80211_CONF_IDLE))
1221 wl1271_tx_flush(wl);
1223 mutex_lock(&wl->mutex);
1225 if (unlikely(wl->state == WL1271_STATE_OFF))
1228 ret = wl1271_ps_elp_wakeup(wl, false);
1232 /* if the channel changes while joined, join again */
1233 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
1234 ((wl->band != conf->channel->band) ||
1235 (wl->channel != channel))) {
1236 wl->band = conf->channel->band;
1237 wl->channel = channel;
1240 * FIXME: the mac80211 should really provide a fixed rate
1241 * to use here. for now, just use the smallest possible rate
1242 * for the band as a fixed rate for association frames and
1243 * other control messages.
1245 if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1246 wl1271_set_band_rate(wl);
1248 wl->basic_rate = wl1271_min_rate_get(wl);
1249 ret = wl1271_acx_rate_policies(wl);
1251 wl1271_warning("rate policy for update channel "
1254 if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
1255 ret = wl1271_join(wl, false);
1257 wl1271_warning("cmd join to update channel "
1262 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
1263 ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE);
1265 wl1271_warning("idle mode change failed %d", ret);
1269 * if mac80211 changes the PSM mode, make sure the mode is not
1270 * incorrectly changed after the pspoll failure active window.
1272 if (changed & IEEE80211_CONF_CHANGE_PS)
1273 clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
1275 if (conf->flags & IEEE80211_CONF_PS &&
1276 !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
1277 set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
1280 * We enter PSM only if we're already associated.
1281 * If we're not, we'll enter it when joining an SSID,
1282 * through the bss_info_changed() hook.
1284 if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
1285 wl1271_debug(DEBUG_PSM, "psm enabled");
1286 ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
1289 } else if (!(conf->flags & IEEE80211_CONF_PS) &&
1290 test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
1291 wl1271_debug(DEBUG_PSM, "psm disabled");
1293 clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
1295 if (test_bit(WL1271_FLAG_PSM, &wl->flags))
1296 ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
1300 if (conf->power_level != wl->power_level) {
1301 ret = wl1271_acx_tx_power(wl, conf->power_level);
1305 wl->power_level = conf->power_level;
1309 wl1271_ps_elp_sleep(wl);
1312 mutex_unlock(&wl->mutex);
1317 struct wl1271_filter_params {
1320 u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
1323 static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw,
1324 struct netdev_hw_addr_list *mc_list)
1326 struct wl1271_filter_params *fp;
1327 struct netdev_hw_addr *ha;
1328 struct wl1271 *wl = hw->priv;
1330 if (unlikely(wl->state == WL1271_STATE_OFF))
1333 fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
1335 wl1271_error("Out of memory setting filters.");
1339 /* update multicast filtering parameters */
1340 fp->mc_list_length = 0;
1341 if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) {
1342 fp->enabled = false;
1345 netdev_hw_addr_list_for_each(ha, mc_list) {
1346 memcpy(fp->mc_list[fp->mc_list_length],
1347 ha->addr, ETH_ALEN);
1348 fp->mc_list_length++;
1352 return (u64)(unsigned long)fp;
1355 #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
1358 FIF_BCN_PRBRESP_PROMISC | \
1362 static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
1363 unsigned int changed,
1364 unsigned int *total, u64 multicast)
1366 struct wl1271_filter_params *fp = (void *)(unsigned long)multicast;
1367 struct wl1271 *wl = hw->priv;
1370 wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter");
1372 mutex_lock(&wl->mutex);
1374 *total &= WL1271_SUPPORTED_FILTERS;
1375 changed &= WL1271_SUPPORTED_FILTERS;
1377 if (unlikely(wl->state == WL1271_STATE_OFF))
1380 ret = wl1271_ps_elp_wakeup(wl, false);
1385 if (*total & FIF_ALLMULTI)
1386 ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
1388 ret = wl1271_acx_group_address_tbl(wl, fp->enabled,
1390 fp->mc_list_length);
1394 /* determine, whether supported filter values have changed */
1398 /* configure filters */
1399 wl->filters = *total;
1400 wl1271_configure_filters(wl, 0);
1402 /* apply configured filters */
1403 ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
1408 wl1271_ps_elp_sleep(wl);
1411 mutex_unlock(&wl->mutex);
1415 static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1416 struct ieee80211_vif *vif,
1417 struct ieee80211_sta *sta,
1418 struct ieee80211_key_conf *key_conf)
1420 struct wl1271 *wl = hw->priv;
1427 static const u8 bcast_addr[ETH_ALEN] =
1428 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1430 wl1271_debug(DEBUG_MAC80211, "mac80211 set key");
1432 addr = sta ? sta->addr : bcast_addr;
1434 wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd);
1435 wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN);
1436 wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
1437 key_conf->alg, key_conf->keyidx,
1438 key_conf->keylen, key_conf->flags);
1439 wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
1441 if (is_zero_ether_addr(addr)) {
1442 /* We dont support TX only encryption */
1447 mutex_lock(&wl->mutex);
1449 ret = wl1271_ps_elp_wakeup(wl, false);
1453 switch (key_conf->alg) {
1457 key_conf->hw_key_idx = key_conf->keyidx;
1460 key_type = KEY_TKIP;
1462 key_conf->hw_key_idx = key_conf->keyidx;
1463 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1464 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
1469 key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1470 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1471 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
1474 wl1271_error("Unknown key algo 0x%x", key_conf->alg);
1482 ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
1483 key_conf->keyidx, key_type,
1484 key_conf->keylen, key_conf->key,
1485 addr, tx_seq_32, tx_seq_16);
1487 wl1271_error("Could not add or replace key");
1491 /* the default WEP key needs to be configured at least once */
1492 if (key_type == KEY_WEP) {
1493 ret = wl1271_cmd_set_default_wep_key(wl,
1501 /* The wl1271 does not allow to remove unicast keys - they
1502 will be cleared automatically on next CMD_JOIN. Ignore the
1503 request silently, as we dont want the mac80211 to emit
1504 an error message. */
1505 if (!is_broadcast_ether_addr(addr))
1508 ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
1509 key_conf->keyidx, key_type,
1510 key_conf->keylen, key_conf->key,
1513 wl1271_error("Could not remove key");
1519 wl1271_error("Unsupported key cmd 0x%x", cmd);
1525 wl1271_ps_elp_sleep(wl);
1528 mutex_unlock(&wl->mutex);
1534 static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
1535 struct ieee80211_vif *vif,
1536 struct cfg80211_scan_request *req)
1538 struct wl1271 *wl = hw->priv;
1543 wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan");
1546 ssid = req->ssids[0].ssid;
1547 len = req->ssids[0].ssid_len;
1550 mutex_lock(&wl->mutex);
1552 ret = wl1271_ps_elp_wakeup(wl, false);
1556 if (wl1271_11a_enabled())
1557 ret = wl1271_scan(hw->priv, ssid, len, req);
1559 ret = wl1271_scan(hw->priv, ssid, len, req);
1561 wl1271_ps_elp_sleep(wl);
1564 mutex_unlock(&wl->mutex);
1569 static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1571 struct wl1271 *wl = hw->priv;
1574 mutex_lock(&wl->mutex);
1576 if (unlikely(wl->state == WL1271_STATE_OFF))
1579 ret = wl1271_ps_elp_wakeup(wl, false);
1583 ret = wl1271_acx_rts_threshold(wl, (u16) value);
1585 wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret);
1587 wl1271_ps_elp_sleep(wl);
1590 mutex_unlock(&wl->mutex);
1595 static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon)
1597 u8 *ptr = beacon->data +
1598 offsetof(struct ieee80211_mgmt, u.beacon.variable);
1600 /* find the location of the ssid in the beacon */
1601 while (ptr < beacon->data + beacon->len) {
1602 if (ptr[0] == WLAN_EID_SSID) {
1603 wl->ssid_len = ptr[1];
1604 memcpy(wl->ssid, ptr+2, wl->ssid_len);
1609 wl1271_error("ad-hoc beacon template has no SSID!\n");
1612 static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
1613 struct ieee80211_vif *vif,
1614 struct ieee80211_bss_conf *bss_conf,
1617 enum wl1271_cmd_ps_mode mode;
1618 struct wl1271 *wl = hw->priv;
1619 bool do_join = false;
1620 bool set_assoc = false;
1623 wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
1625 mutex_lock(&wl->mutex);
1627 ret = wl1271_ps_elp_wakeup(wl, false);
1631 if ((changed && BSS_CHANGED_BEACON_INT) &&
1632 (wl->bss_type == BSS_TYPE_IBSS)) {
1633 wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d",
1634 bss_conf->beacon_int);
1636 wl->beacon_int = bss_conf->beacon_int;
1640 if ((changed && BSS_CHANGED_BEACON) &&
1641 (wl->bss_type == BSS_TYPE_IBSS)) {
1642 struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
1644 wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated");
1647 struct ieee80211_hdr *hdr;
1649 wl1271_ssid_set(wl, beacon);
1650 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
1653 wl1271_min_rate_get(wl));
1656 dev_kfree_skb(beacon);
1660 hdr = (struct ieee80211_hdr *) beacon->data;
1661 hdr->frame_control = cpu_to_le16(
1662 IEEE80211_FTYPE_MGMT |
1663 IEEE80211_STYPE_PROBE_RESP);
1665 ret = wl1271_cmd_template_set(wl,
1666 CMD_TEMPL_PROBE_RESPONSE,
1669 wl1271_min_rate_get(wl));
1670 dev_kfree_skb(beacon);
1674 /* Need to update the SSID (for filtering etc) */
1679 if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
1680 (wl->bss_type == BSS_TYPE_IBSS)) {
1681 wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s",
1682 bss_conf->enable_beacon ? "enabled" : "disabled");
1684 if (bss_conf->enable_beacon)
1685 wl->set_bss_type = BSS_TYPE_IBSS;
1687 wl->set_bss_type = BSS_TYPE_STA_BSS;
1691 if (changed & BSS_CHANGED_CQM) {
1692 bool enable = false;
1693 if (bss_conf->cqm_rssi_thold)
1695 ret = wl1271_acx_rssi_snr_trigger(wl, enable,
1696 bss_conf->cqm_rssi_thold,
1697 bss_conf->cqm_rssi_hyst);
1700 wl->rssi_thold = bss_conf->cqm_rssi_thold;
1703 if ((changed & BSS_CHANGED_BSSID) &&
1705 * Now we know the correct bssid, so we send a new join command
1706 * and enable the BSSID filter
1708 memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
1709 memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
1711 ret = wl1271_cmd_build_null_data(wl);
1715 ret = wl1271_build_qos_null_data(wl);
1719 /* filter out all packets not from this BSSID */
1720 wl1271_configure_filters(wl, 0);
1722 /* Need to update the BSSID (for filtering etc) */
1726 if (changed & BSS_CHANGED_ASSOC) {
1727 if (bss_conf->assoc) {
1729 wl->aid = bss_conf->aid;
1732 wl->ps_poll_failures = 0;
1735 * use basic rates from AP, and determine lowest rate
1736 * to use with control frames.
1738 rates = bss_conf->basic_rates;
1739 wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
1741 wl->basic_rate = wl1271_min_rate_get(wl);
1742 ret = wl1271_acx_rate_policies(wl);
1747 * with wl1271, we don't need to update the
1748 * beacon_int and dtim_period, because the firmware
1749 * updates it by itself when the first beacon is
1750 * received after a join.
1752 ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
1757 * The SSID is intentionally set to NULL here - the
1758 * firmware will set the probe request with a
1759 * broadcast SSID regardless of what we set in the
1762 ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
1765 /* enable the connection monitoring feature */
1766 ret = wl1271_acx_conn_monit_params(wl, true);
1770 /* If we want to go in PSM but we're not there yet */
1771 if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
1772 !test_bit(WL1271_FLAG_PSM, &wl->flags)) {
1773 mode = STATION_POWER_SAVE_MODE;
1774 ret = wl1271_ps_set_mode(wl, mode, true);
1779 /* use defaults when not associated */
1780 clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
1783 /* re-enable dynamic ps - just in case */
1784 ieee80211_enable_dyn_ps(wl->vif);
1786 /* revert back to minimum rates for the current band */
1787 wl1271_set_band_rate(wl);
1788 wl->basic_rate = wl1271_min_rate_get(wl);
1789 ret = wl1271_acx_rate_policies(wl);
1793 /* disable connection monitor features */
1794 ret = wl1271_acx_conn_monit_params(wl, false);
1796 /* Disable the keep-alive feature */
1797 ret = wl1271_acx_keep_alive_mode(wl, false);
1805 if (changed & BSS_CHANGED_ERP_SLOT) {
1806 if (bss_conf->use_short_slot)
1807 ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT);
1809 ret = wl1271_acx_slot(wl, SLOT_TIME_LONG);
1811 wl1271_warning("Set slot time failed %d", ret);
1816 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1817 if (bss_conf->use_short_preamble)
1818 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT);
1820 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG);
1823 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1824 if (bss_conf->use_cts_prot)
1825 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE);
1827 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE);
1829 wl1271_warning("Set ctsprotect failed %d", ret);
1834 if (changed & BSS_CHANGED_ARP_FILTER) {
1835 __be32 addr = bss_conf->arp_addr_list[0];
1836 WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
1838 if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled)
1839 ret = wl1271_acx_arp_ip_filter(wl, true, addr);
1841 ret = wl1271_acx_arp_ip_filter(wl, false, addr);
1848 ret = wl1271_join(wl, set_assoc);
1850 wl1271_warning("cmd join failed %d", ret);
1856 wl1271_ps_elp_sleep(wl);
1859 mutex_unlock(&wl->mutex);
1862 static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
1863 const struct ieee80211_tx_queue_params *params)
1865 struct wl1271 *wl = hw->priv;
1869 mutex_lock(&wl->mutex);
1871 wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue);
1873 ret = wl1271_ps_elp_wakeup(wl, false);
1877 /* the txop is confed in units of 32us by the mac80211, we need us */
1878 ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue),
1879 params->cw_min, params->cw_max,
1880 params->aifs, params->txop << 5);
1885 ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
1887 ps_scheme = CONF_PS_SCHEME_LEGACY;
1889 ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue),
1890 CONF_CHANNEL_TYPE_EDCF,
1891 wl1271_tx_get_queue(queue),
1892 ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0);
1897 wl1271_ps_elp_sleep(wl);
1900 mutex_unlock(&wl->mutex);
1905 static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw)
1908 struct wl1271 *wl = hw->priv;
1909 u64 mactime = ULLONG_MAX;
1912 wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf");
1914 mutex_lock(&wl->mutex);
1916 ret = wl1271_ps_elp_wakeup(wl, false);
1920 ret = wl1271_acx_tsf_info(wl, &mactime);
1925 wl1271_ps_elp_sleep(wl);
1928 mutex_unlock(&wl->mutex);
1932 /* can't be const, mac80211 writes to this */
1933 static struct ieee80211_rate wl1271_rates[] = {
1935 .hw_value = CONF_HW_BIT_RATE_1MBPS,
1936 .hw_value_short = CONF_HW_BIT_RATE_1MBPS, },
1938 .hw_value = CONF_HW_BIT_RATE_2MBPS,
1939 .hw_value_short = CONF_HW_BIT_RATE_2MBPS,
1940 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1942 .hw_value = CONF_HW_BIT_RATE_5_5MBPS,
1943 .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS,
1944 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1946 .hw_value = CONF_HW_BIT_RATE_11MBPS,
1947 .hw_value_short = CONF_HW_BIT_RATE_11MBPS,
1948 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1950 .hw_value = CONF_HW_BIT_RATE_6MBPS,
1951 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
1953 .hw_value = CONF_HW_BIT_RATE_9MBPS,
1954 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
1956 .hw_value = CONF_HW_BIT_RATE_12MBPS,
1957 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
1959 .hw_value = CONF_HW_BIT_RATE_18MBPS,
1960 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
1962 .hw_value = CONF_HW_BIT_RATE_24MBPS,
1963 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
1965 .hw_value = CONF_HW_BIT_RATE_36MBPS,
1966 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
1968 .hw_value = CONF_HW_BIT_RATE_48MBPS,
1969 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
1971 .hw_value = CONF_HW_BIT_RATE_54MBPS,
1972 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
1975 /* can't be const, mac80211 writes to this */
1976 static struct ieee80211_channel wl1271_channels[] = {
1977 { .hw_value = 1, .center_freq = 2412, .max_power = 25 },
1978 { .hw_value = 2, .center_freq = 2417, .max_power = 25 },
1979 { .hw_value = 3, .center_freq = 2422, .max_power = 25 },
1980 { .hw_value = 4, .center_freq = 2427, .max_power = 25 },
1981 { .hw_value = 5, .center_freq = 2432, .max_power = 25 },
1982 { .hw_value = 6, .center_freq = 2437, .max_power = 25 },
1983 { .hw_value = 7, .center_freq = 2442, .max_power = 25 },
1984 { .hw_value = 8, .center_freq = 2447, .max_power = 25 },
1985 { .hw_value = 9, .center_freq = 2452, .max_power = 25 },
1986 { .hw_value = 10, .center_freq = 2457, .max_power = 25 },
1987 { .hw_value = 11, .center_freq = 2462, .max_power = 25 },
1988 { .hw_value = 12, .center_freq = 2467, .max_power = 25 },
1989 { .hw_value = 13, .center_freq = 2472, .max_power = 25 },
1992 /* mapping to indexes for wl1271_rates */
1993 static const u8 wl1271_rate_to_idx_2ghz[] = {
1994 /* MCS rates are used only with 11n */
1995 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
1996 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
1997 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
1998 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
1999 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
2000 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
2001 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
2002 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
2004 11, /* CONF_HW_RXTX_RATE_54 */
2005 10, /* CONF_HW_RXTX_RATE_48 */
2006 9, /* CONF_HW_RXTX_RATE_36 */
2007 8, /* CONF_HW_RXTX_RATE_24 */
2009 /* TI-specific rate */
2010 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
2012 7, /* CONF_HW_RXTX_RATE_18 */
2013 6, /* CONF_HW_RXTX_RATE_12 */
2014 3, /* CONF_HW_RXTX_RATE_11 */
2015 5, /* CONF_HW_RXTX_RATE_9 */
2016 4, /* CONF_HW_RXTX_RATE_6 */
2017 2, /* CONF_HW_RXTX_RATE_5_5 */
2018 1, /* CONF_HW_RXTX_RATE_2 */
2019 0 /* CONF_HW_RXTX_RATE_1 */
2022 /* can't be const, mac80211 writes to this */
2023 static struct ieee80211_supported_band wl1271_band_2ghz = {
2024 .channels = wl1271_channels,
2025 .n_channels = ARRAY_SIZE(wl1271_channels),
2026 .bitrates = wl1271_rates,
2027 .n_bitrates = ARRAY_SIZE(wl1271_rates),
2030 /* 5 GHz data rates for WL1273 */
2031 static struct ieee80211_rate wl1271_rates_5ghz[] = {
2033 .hw_value = CONF_HW_BIT_RATE_6MBPS,
2034 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
2036 .hw_value = CONF_HW_BIT_RATE_9MBPS,
2037 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
2039 .hw_value = CONF_HW_BIT_RATE_12MBPS,
2040 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
2042 .hw_value = CONF_HW_BIT_RATE_18MBPS,
2043 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
2045 .hw_value = CONF_HW_BIT_RATE_24MBPS,
2046 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
2048 .hw_value = CONF_HW_BIT_RATE_36MBPS,
2049 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
2051 .hw_value = CONF_HW_BIT_RATE_48MBPS,
2052 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
2054 .hw_value = CONF_HW_BIT_RATE_54MBPS,
2055 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
2058 /* 5 GHz band channels for WL1273 */
2059 static struct ieee80211_channel wl1271_channels_5ghz[] = {
2060 { .hw_value = 183, .center_freq = 4915},
2061 { .hw_value = 184, .center_freq = 4920},
2062 { .hw_value = 185, .center_freq = 4925},
2063 { .hw_value = 187, .center_freq = 4935},
2064 { .hw_value = 188, .center_freq = 4940},
2065 { .hw_value = 189, .center_freq = 4945},
2066 { .hw_value = 192, .center_freq = 4960},
2067 { .hw_value = 196, .center_freq = 4980},
2068 { .hw_value = 7, .center_freq = 5035},
2069 { .hw_value = 8, .center_freq = 5040},
2070 { .hw_value = 9, .center_freq = 5045},
2071 { .hw_value = 11, .center_freq = 5055},
2072 { .hw_value = 12, .center_freq = 5060},
2073 { .hw_value = 16, .center_freq = 5080},
2074 { .hw_value = 34, .center_freq = 5170},
2075 { .hw_value = 36, .center_freq = 5180},
2076 { .hw_value = 38, .center_freq = 5190},
2077 { .hw_value = 40, .center_freq = 5200},
2078 { .hw_value = 42, .center_freq = 5210},
2079 { .hw_value = 44, .center_freq = 5220},
2080 { .hw_value = 46, .center_freq = 5230},
2081 { .hw_value = 48, .center_freq = 5240},
2082 { .hw_value = 52, .center_freq = 5260},
2083 { .hw_value = 56, .center_freq = 5280},
2084 { .hw_value = 60, .center_freq = 5300},
2085 { .hw_value = 64, .center_freq = 5320},
2086 { .hw_value = 100, .center_freq = 5500},
2087 { .hw_value = 104, .center_freq = 5520},
2088 { .hw_value = 108, .center_freq = 5540},
2089 { .hw_value = 112, .center_freq = 5560},
2090 { .hw_value = 116, .center_freq = 5580},
2091 { .hw_value = 120, .center_freq = 5600},
2092 { .hw_value = 124, .center_freq = 5620},
2093 { .hw_value = 128, .center_freq = 5640},
2094 { .hw_value = 132, .center_freq = 5660},
2095 { .hw_value = 136, .center_freq = 5680},
2096 { .hw_value = 140, .center_freq = 5700},
2097 { .hw_value = 149, .center_freq = 5745},
2098 { .hw_value = 153, .center_freq = 5765},
2099 { .hw_value = 157, .center_freq = 5785},
2100 { .hw_value = 161, .center_freq = 5805},
2101 { .hw_value = 165, .center_freq = 5825},
2104 /* mapping to indexes for wl1271_rates_5ghz */
2105 static const u8 wl1271_rate_to_idx_5ghz[] = {
2106 /* MCS rates are used only with 11n */
2107 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
2108 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
2109 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
2110 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
2111 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
2112 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
2113 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
2114 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
2116 7, /* CONF_HW_RXTX_RATE_54 */
2117 6, /* CONF_HW_RXTX_RATE_48 */
2118 5, /* CONF_HW_RXTX_RATE_36 */
2119 4, /* CONF_HW_RXTX_RATE_24 */
2121 /* TI-specific rate */
2122 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
2124 3, /* CONF_HW_RXTX_RATE_18 */
2125 2, /* CONF_HW_RXTX_RATE_12 */
2126 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */
2127 1, /* CONF_HW_RXTX_RATE_9 */
2128 0, /* CONF_HW_RXTX_RATE_6 */
2129 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */
2130 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */
2131 CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */
2134 static struct ieee80211_supported_band wl1271_band_5ghz = {
2135 .channels = wl1271_channels_5ghz,
2136 .n_channels = ARRAY_SIZE(wl1271_channels_5ghz),
2137 .bitrates = wl1271_rates_5ghz,
2138 .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
2141 static const u8 *wl1271_band_rate_to_idx[] = {
2142 [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz,
2143 [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz
2146 static const struct ieee80211_ops wl1271_ops = {
2147 .start = wl1271_op_start,
2148 .stop = wl1271_op_stop,
2149 .add_interface = wl1271_op_add_interface,
2150 .remove_interface = wl1271_op_remove_interface,
2151 .config = wl1271_op_config,
2152 .prepare_multicast = wl1271_op_prepare_multicast,
2153 .configure_filter = wl1271_op_configure_filter,
2155 .set_key = wl1271_op_set_key,
2156 .hw_scan = wl1271_op_hw_scan,
2157 .bss_info_changed = wl1271_op_bss_info_changed,
2158 .set_rts_threshold = wl1271_op_set_rts_threshold,
2159 .conf_tx = wl1271_op_conf_tx,
2160 .get_tsf = wl1271_op_get_tsf,
2161 CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
2165 u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate)
2169 BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
2171 if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) {
2172 wl1271_error("Illegal RX rate from HW: %d", rate);
2176 idx = wl1271_band_rate_to_idx[wl->band][rate];
2177 if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) {
2178 wl1271_error("Unsupported RX rate from HW: %d", rate);
2185 static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev,
2186 struct device_attribute *attr,
2189 struct wl1271 *wl = dev_get_drvdata(dev);
2192 /* FIXME: what's the maximum length of buf? page size?*/
2195 mutex_lock(&wl->mutex);
2196 len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n",
2198 mutex_unlock(&wl->mutex);
2204 static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
2205 struct device_attribute *attr,
2206 const char *buf, size_t count)
2208 struct wl1271 *wl = dev_get_drvdata(dev);
2212 ret = strict_strtoul(buf, 10, &res);
2215 wl1271_warning("incorrect value written to bt_coex_mode");
2219 mutex_lock(&wl->mutex);
2223 if (res == wl->sg_enabled)
2226 wl->sg_enabled = res;
2228 if (wl->state == WL1271_STATE_OFF)
2231 ret = wl1271_ps_elp_wakeup(wl, false);
2235 wl1271_acx_sg_enable(wl, wl->sg_enabled);
2236 wl1271_ps_elp_sleep(wl);
2239 mutex_unlock(&wl->mutex);
2243 static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR,
2244 wl1271_sysfs_show_bt_coex_state,
2245 wl1271_sysfs_store_bt_coex_state);
2247 static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev,
2248 struct device_attribute *attr,
2251 struct wl1271 *wl = dev_get_drvdata(dev);
2254 /* FIXME: what's the maximum length of buf? page size?*/
2257 mutex_lock(&wl->mutex);
2258 if (wl->hw_pg_ver >= 0)
2259 len = snprintf(buf, len, "%d\n", wl->hw_pg_ver);
2261 len = snprintf(buf, len, "n/a\n");
2262 mutex_unlock(&wl->mutex);
2267 static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR,
2268 wl1271_sysfs_show_hw_pg_ver, NULL);
2270 int wl1271_register_hw(struct wl1271 *wl)
2274 if (wl->mac80211_registered)
2277 SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
2279 ret = ieee80211_register_hw(wl->hw);
2281 wl1271_error("unable to register mac80211 hw: %d", ret);
2285 wl->mac80211_registered = true;
2287 wl1271_notice("loaded");
2291 EXPORT_SYMBOL_GPL(wl1271_register_hw);
2293 void wl1271_unregister_hw(struct wl1271 *wl)
2295 ieee80211_unregister_hw(wl->hw);
2296 wl->mac80211_registered = false;
2299 EXPORT_SYMBOL_GPL(wl1271_unregister_hw);
2301 int wl1271_init_ieee80211(struct wl1271 *wl)
2303 /* The tx descriptor buffer and the TKIP space. */
2304 wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE +
2305 sizeof(struct wl1271_tx_hw_descr);
2308 /* FIXME: find a proper value */
2309 wl->hw->channel_change_time = 10000;
2310 wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval;
2312 wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
2313 IEEE80211_HW_BEACON_FILTER |
2314 IEEE80211_HW_SUPPORTS_PS |
2315 IEEE80211_HW_SUPPORTS_UAPSD |
2316 IEEE80211_HW_HAS_RATE_CONTROL |
2317 IEEE80211_HW_CONNECTION_MONITOR |
2318 IEEE80211_HW_SUPPORTS_CQM_RSSI;
2320 wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2321 BIT(NL80211_IFTYPE_ADHOC);
2322 wl->hw->wiphy->max_scan_ssids = 1;
2323 wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
2325 if (wl1271_11a_enabled())
2326 wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
2329 wl->hw->max_rates = 1;
2331 SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
2335 EXPORT_SYMBOL_GPL(wl1271_init_ieee80211);
2337 #define WL1271_DEFAULT_CHANNEL 0
2339 struct ieee80211_hw *wl1271_alloc_hw(void)
2341 struct ieee80211_hw *hw;
2342 struct platform_device *plat_dev = NULL;
2346 hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
2348 wl1271_error("could not alloc ieee80211_hw");
2353 plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL);
2355 wl1271_error("could not allocate platform_device");
2357 goto err_plat_alloc;
2360 memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device));
2363 memset(wl, 0, sizeof(*wl));
2365 INIT_LIST_HEAD(&wl->list);
2368 wl->plat_dev = plat_dev;
2370 skb_queue_head_init(&wl->tx_queue);
2372 INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
2373 INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
2374 wl->channel = WL1271_DEFAULT_CHANNEL;
2375 wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
2376 wl->default_key = 0;
2378 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
2379 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
2380 wl->psm_entry_retry = 0;
2381 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
2382 wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;
2383 wl->basic_rate = CONF_TX_RATE_MASK_BASIC;
2384 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
2385 wl->sta_rate_set = 0;
2386 wl->band = IEEE80211_BAND_2GHZ;
2389 wl->sg_enabled = true;
2392 for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
2393 wl->tx_frames[i] = NULL;
2395 spin_lock_init(&wl->wl_lock);
2397 wl->state = WL1271_STATE_OFF;
2398 mutex_init(&wl->mutex);
2400 /* Apply default driver configuration. */
2401 wl1271_conf_init(wl);
2403 wl1271_debugfs_init(wl);
2405 /* Register platform device */
2406 ret = platform_device_register(wl->plat_dev);
2408 wl1271_error("couldn't register platform device");
2411 dev_set_drvdata(&wl->plat_dev->dev, wl);
2413 /* Create sysfs file to control bt coex state */
2414 ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
2416 wl1271_error("failed to create sysfs file bt_coex_state");
2420 /* Create sysfs file to get HW PG version */
2421 ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver);
2423 wl1271_error("failed to create sysfs file hw_pg_ver");
2424 goto err_bt_coex_state;
2430 device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
2433 platform_device_unregister(wl->plat_dev);
2436 wl1271_debugfs_exit(wl);
2440 ieee80211_free_hw(hw);
2444 return ERR_PTR(ret);
2446 EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
2448 int wl1271_free_hw(struct wl1271 *wl)
2450 platform_device_unregister(wl->plat_dev);
2451 kfree(wl->plat_dev);
2453 wl1271_debugfs_exit(wl);
2460 kfree(wl->fw_status);
2461 kfree(wl->tx_res_if);
2463 ieee80211_free_hw(wl->hw);
2467 EXPORT_SYMBOL_GPL(wl1271_free_hw);
2469 MODULE_LICENSE("GPL");
2470 MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
2471 MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");