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/inetdevice.h>
32 #include <linux/platform_device.h>
33 #include <linux/slab.h>
36 #include "wl12xx_80211.h"
37 #include "wl1271_reg.h"
38 #include "wl1271_io.h"
39 #include "wl1271_event.h"
40 #include "wl1271_tx.h"
41 #include "wl1271_rx.h"
42 #include "wl1271_ps.h"
43 #include "wl1271_init.h"
44 #include "wl1271_debugfs.h"
45 #include "wl1271_cmd.h"
46 #include "wl1271_boot.h"
47 #include "wl1271_testmode.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] = 0,
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 = 20,
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,
254 .host_clk_settling_time = 5000,
255 .host_fast_wakeup_support = false
258 /* FIXME: due to firmware bug, must use value 1 for now */
260 .avg_weight_rssi_beacon = 20,
261 .avg_weight_rssi_data = 10,
262 .avg_weight_snr_beacon = 20,
263 .avg_weight_snr_data = 10
267 static void wl1271_device_release(struct device *dev)
272 static struct platform_device wl1271_device = {
276 /* device model insists to have a release function */
278 .release = wl1271_device_release,
282 static LIST_HEAD(wl_list);
284 static void wl1271_conf_init(struct wl1271 *wl)
288 * This function applies the default configuration to the driver. This
289 * function is invoked upon driver load (spi probe.)
291 * The configuration is stored in a run-time structure in order to
292 * facilitate for run-time adjustment of any of the parameters. Making
293 * changes to the configuration structure will apply the new values on
294 * the next interface up (wl1271_op_start.)
297 /* apply driver default configuration */
298 memcpy(&wl->conf, &default_conf, sizeof(default_conf));
302 static int wl1271_plt_init(struct wl1271 *wl)
304 struct conf_tx_ac_category *conf_ac;
305 struct conf_tx_tid *conf_tid;
308 ret = wl1271_cmd_general_parms(wl);
312 ret = wl1271_cmd_radio_parms(wl);
316 ret = wl1271_init_templates_config(wl);
320 ret = wl1271_acx_init_mem_config(wl);
324 /* PHY layer config */
325 ret = wl1271_init_phy_config(wl);
327 goto out_free_memmap;
329 ret = wl1271_acx_dco_itrim_params(wl);
331 goto out_free_memmap;
333 /* Initialize connection monitoring thresholds */
334 ret = wl1271_acx_conn_monit_params(wl, false);
336 goto out_free_memmap;
338 /* Bluetooth WLAN coexistence */
339 ret = wl1271_init_pta(wl);
341 goto out_free_memmap;
343 /* Energy detection */
344 ret = wl1271_init_energy_detection(wl);
346 goto out_free_memmap;
348 /* Default fragmentation threshold */
349 ret = wl1271_acx_frag_threshold(wl);
351 goto out_free_memmap;
353 /* Default TID configuration */
354 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
355 conf_tid = &wl->conf.tx.tid_conf[i];
356 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
357 conf_tid->channel_type,
360 conf_tid->ack_policy,
361 conf_tid->apsd_conf[0],
362 conf_tid->apsd_conf[1]);
364 goto out_free_memmap;
367 /* Default AC configuration */
368 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
369 conf_ac = &wl->conf.tx.ac_conf[i];
370 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
371 conf_ac->cw_max, conf_ac->aifsn,
372 conf_ac->tx_op_limit);
374 goto out_free_memmap;
377 /* Enable data path */
378 ret = wl1271_cmd_data_path(wl, 1);
380 goto out_free_memmap;
382 /* Configure for CAM power saving (ie. always active) */
383 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
385 goto out_free_memmap;
388 ret = wl1271_acx_pm_config(wl);
390 goto out_free_memmap;
395 kfree(wl->target_mem_map);
396 wl->target_mem_map = NULL;
401 static void wl1271_fw_status(struct wl1271 *wl,
402 struct wl1271_fw_status *status)
408 wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false);
410 wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
411 "drv_rx_counter = %d, tx_results_counter = %d)",
413 status->fw_rx_counter,
414 status->drv_rx_counter,
415 status->tx_results_counter);
417 /* update number of available TX blocks */
418 for (i = 0; i < NUM_TX_QUEUES; i++) {
419 u32 cnt = le32_to_cpu(status->tx_released_blks[i]) -
420 wl->tx_blocks_freed[i];
422 wl->tx_blocks_freed[i] =
423 le32_to_cpu(status->tx_released_blks[i]);
424 wl->tx_blocks_available += cnt;
428 /* if more blocks are available now, schedule some tx work */
429 if (total && !skb_queue_empty(&wl->tx_queue))
430 ieee80211_queue_work(wl->hw, &wl->tx_work);
432 /* update the host-chipset time offset */
434 wl->time_offset = (timespec_to_ns(&ts) >> 10) -
435 (s64)le32_to_cpu(status->fw_localtime);
438 #define WL1271_IRQ_MAX_LOOPS 10
440 static void wl1271_irq_work(struct work_struct *work)
444 int loopcount = WL1271_IRQ_MAX_LOOPS;
447 container_of(work, struct wl1271, irq_work);
449 mutex_lock(&wl->mutex);
451 wl1271_debug(DEBUG_IRQ, "IRQ work");
453 if (unlikely(wl->state == WL1271_STATE_OFF))
456 ret = wl1271_ps_elp_wakeup(wl, true);
460 spin_lock_irqsave(&wl->wl_lock, flags);
461 while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) {
462 clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
463 spin_unlock_irqrestore(&wl->wl_lock, flags);
466 wl1271_fw_status(wl, wl->fw_status);
467 intr = le32_to_cpu(wl->fw_status->intr);
469 wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
470 spin_lock_irqsave(&wl->wl_lock, flags);
474 intr &= WL1271_INTR_MASK;
476 if (intr & WL1271_ACX_INTR_DATA) {
477 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
479 /* check for tx results */
480 if (wl->fw_status->tx_results_counter !=
481 (wl->tx_results_count & 0xff))
482 wl1271_tx_complete(wl);
484 wl1271_rx(wl, wl->fw_status);
487 if (intr & WL1271_ACX_INTR_EVENT_A) {
488 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
489 wl1271_event_handle(wl, 0);
492 if (intr & WL1271_ACX_INTR_EVENT_B) {
493 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
494 wl1271_event_handle(wl, 1);
497 if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
498 wl1271_debug(DEBUG_IRQ,
499 "WL1271_ACX_INTR_INIT_COMPLETE");
501 if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
502 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
504 spin_lock_irqsave(&wl->wl_lock, flags);
507 if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags))
508 ieee80211_queue_work(wl->hw, &wl->irq_work);
510 clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
511 spin_unlock_irqrestore(&wl->wl_lock, flags);
513 wl1271_ps_elp_sleep(wl);
516 mutex_unlock(&wl->mutex);
519 static int wl1271_fetch_firmware(struct wl1271 *wl)
521 const struct firmware *fw;
524 ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
527 wl1271_error("could not get firmware: %d", ret);
532 wl1271_error("firmware size is not multiple of 32 bits: %zu",
538 wl->fw_len = fw->size;
539 wl->fw = vmalloc(wl->fw_len);
542 wl1271_error("could not allocate memory for the firmware");
547 memcpy(wl->fw, fw->data, wl->fw_len);
552 release_firmware(fw);
557 static int wl1271_fetch_nvs(struct wl1271 *wl)
559 const struct firmware *fw;
562 ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
565 wl1271_error("could not get nvs file: %d", ret);
570 * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band
571 * configurations) can be removed when those NVS files stop floating
574 if (fw->size != sizeof(struct wl1271_nvs_file) &&
575 (fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
576 wl1271_11a_enabled())) {
577 wl1271_error("nvs size is not as expected: %zu != %zu",
578 fw->size, sizeof(struct wl1271_nvs_file));
583 wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
586 wl1271_error("could not allocate memory for the nvs file");
591 memcpy(wl->nvs, fw->data, fw->size);
594 release_firmware(fw);
599 static void wl1271_fw_wakeup(struct wl1271 *wl)
603 elp_reg = ELPCTRL_WAKE_UP;
604 wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
607 static int wl1271_setup(struct wl1271 *wl)
609 wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL);
613 wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL);
614 if (!wl->tx_res_if) {
615 kfree(wl->fw_status);
619 INIT_WORK(&wl->irq_work, wl1271_irq_work);
620 INIT_WORK(&wl->tx_work, wl1271_tx_work);
624 static int wl1271_chip_wakeup(struct wl1271 *wl)
626 struct wl1271_partition_set partition;
629 msleep(WL1271_PRE_POWER_ON_SLEEP);
631 msleep(WL1271_POWER_ON_SLEEP);
635 /* We don't need a real memory partition here, because we only want
636 * to use the registers at this point. */
637 memset(&partition, 0, sizeof(partition));
638 partition.reg.start = REGISTERS_BASE;
639 partition.reg.size = REGISTERS_DOWN_SIZE;
640 wl1271_set_partition(wl, &partition);
642 /* ELP module wake up */
643 wl1271_fw_wakeup(wl);
645 /* whal_FwCtrl_BootSm() */
647 /* 0. read chip id from CHIP_ID */
648 wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
650 /* 1. check if chip id is valid */
652 switch (wl->chip.id) {
653 case CHIP_ID_1271_PG10:
654 wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
657 ret = wl1271_setup(wl);
661 case CHIP_ID_1271_PG20:
662 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
665 ret = wl1271_setup(wl);
670 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
675 if (wl->fw == NULL) {
676 ret = wl1271_fetch_firmware(wl);
681 /* No NVS from netlink, try to get it from the filesystem */
682 if (wl->nvs == NULL) {
683 ret = wl1271_fetch_nvs(wl);
692 int wl1271_plt_start(struct wl1271 *wl)
694 int retries = WL1271_BOOT_RETRIES;
697 mutex_lock(&wl->mutex);
699 wl1271_notice("power up");
701 if (wl->state != WL1271_STATE_OFF) {
702 wl1271_error("cannot go into PLT state because not "
703 "in off state: %d", wl->state);
710 ret = wl1271_chip_wakeup(wl);
714 ret = wl1271_boot(wl);
718 ret = wl1271_plt_init(wl);
722 wl->state = WL1271_STATE_PLT;
723 wl1271_notice("firmware booted in PLT mode (%s)",
728 wl1271_disable_interrupts(wl);
729 mutex_unlock(&wl->mutex);
730 /* Unlocking the mutex in the middle of handling is
731 inherently unsafe. In this case we deem it safe to do,
732 because we need to let any possibly pending IRQ out of
733 the system (and while we are WL1271_STATE_OFF the IRQ
734 work function will not do anything.) Also, any other
735 possible concurrent operations will fail due to the
736 current state, hence the wl1271 struct should be safe. */
737 cancel_work_sync(&wl->irq_work);
738 mutex_lock(&wl->mutex);
740 wl1271_power_off(wl);
743 wl1271_error("firmware boot in PLT mode failed despite %d retries",
744 WL1271_BOOT_RETRIES);
746 mutex_unlock(&wl->mutex);
751 int wl1271_plt_stop(struct wl1271 *wl)
755 mutex_lock(&wl->mutex);
757 wl1271_notice("power down");
759 if (wl->state != WL1271_STATE_PLT) {
760 wl1271_error("cannot power down because not in PLT "
761 "state: %d", wl->state);
766 wl1271_disable_interrupts(wl);
767 wl1271_power_off(wl);
769 wl->state = WL1271_STATE_OFF;
773 mutex_unlock(&wl->mutex);
779 static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
781 struct wl1271 *wl = hw->priv;
782 struct ieee80211_conf *conf = &hw->conf;
783 struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
784 struct ieee80211_sta *sta = txinfo->control.sta;
787 /* peek into the rates configured in the STA entry */
788 spin_lock_irqsave(&wl->wl_lock, flags);
789 if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) {
790 wl->sta_rate_set = sta->supp_rates[conf->channel->band];
791 set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
793 spin_unlock_irqrestore(&wl->wl_lock, flags);
795 /* queue the packet */
796 skb_queue_tail(&wl->tx_queue, skb);
799 * The chip specific setup must run before the first TX packet -
800 * before that, the tx_work will not be initialized!
803 ieee80211_queue_work(wl->hw, &wl->tx_work);
806 * The workqueue is slow to process the tx_queue and we need stop
807 * the queue here, otherwise the queue will get too long.
809 if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
810 wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
812 spin_lock_irqsave(&wl->wl_lock, flags);
813 ieee80211_stop_queues(wl->hw);
814 set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
815 spin_unlock_irqrestore(&wl->wl_lock, flags);
821 static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
824 struct net_device *dev;
825 struct wireless_dev *wdev;
827 struct ieee80211_hw *hw;
829 struct wl1271 *wl_temp;
830 struct in_device *idev;
831 struct in_ifaddr *ifa = arg;
834 /* FIXME: this ugly function should probably be implemented in the
835 * mac80211, and here should only be a simple callback handling actual
836 * setting of the filters. Now we need to dig up references to
837 * various structures to gain access to what we need.
838 * Also, because of this, there is no "initial" setting of the filter
839 * in "op_start", because we don't want to dig up struct net_device
840 * there - the filter will be set upon first change of the interface
843 dev = ifa->ifa_dev->dev;
845 wdev = dev->ieee80211_ptr;
853 hw = wiphy_priv(wiphy);
857 /* Check that the interface is one supported by this driver. */
859 list_for_each_entry(wl, &wl_list, list) {
866 /* Get the interface IP address for the device. "ifa" will become
868 - there is no IPV4 protocol address configured
869 - there are multiple (virtual) IPV4 addresses configured
870 When "ifa" is NULL, filtering will be disabled.
875 ifa = idev->ifa_list;
877 if (ifa && ifa->ifa_next)
880 mutex_lock(&wl->mutex);
882 if (wl->state == WL1271_STATE_OFF)
885 ret = wl1271_ps_elp_wakeup(wl, false);
889 ret = wl1271_acx_arp_ip_filter(wl, true,
890 (u8 *)&ifa->ifa_address,
893 ret = wl1271_acx_arp_ip_filter(wl, false, NULL,
895 wl1271_ps_elp_sleep(wl);
898 mutex_unlock(&wl->mutex);
903 static struct notifier_block wl1271_dev_notifier = {
904 .notifier_call = wl1271_dev_notify,
908 static int wl1271_op_start(struct ieee80211_hw *hw)
910 wl1271_debug(DEBUG_MAC80211, "mac80211 start");
913 * We have to delay the booting of the hardware because
914 * we need to know the local MAC address before downloading and
915 * initializing the firmware. The MAC address cannot be changed
916 * after boot, and without the proper MAC address, the firmware
917 * will not function properly.
919 * The MAC address is first known when the corresponding interface
920 * is added. That is where we will initialize the hardware.
926 static void wl1271_op_stop(struct ieee80211_hw *hw)
928 wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
931 static int wl1271_op_add_interface(struct ieee80211_hw *hw,
932 struct ieee80211_vif *vif)
934 struct wl1271 *wl = hw->priv;
935 int retries = WL1271_BOOT_RETRIES;
938 wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
939 vif->type, vif->addr);
941 mutex_lock(&wl->mutex);
950 case NL80211_IFTYPE_STATION:
951 wl->bss_type = BSS_TYPE_STA_BSS;
952 wl->set_bss_type = BSS_TYPE_STA_BSS;
954 case NL80211_IFTYPE_ADHOC:
955 wl->bss_type = BSS_TYPE_IBSS;
956 wl->set_bss_type = BSS_TYPE_STA_BSS;
963 memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
965 if (wl->state != WL1271_STATE_OFF) {
966 wl1271_error("cannot start because not in off state: %d",
974 ret = wl1271_chip_wakeup(wl);
978 ret = wl1271_boot(wl);
982 ret = wl1271_hw_init(wl);
986 wl->state = WL1271_STATE_ON;
987 wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
991 wl1271_disable_interrupts(wl);
992 mutex_unlock(&wl->mutex);
993 /* Unlocking the mutex in the middle of handling is
994 inherently unsafe. In this case we deem it safe to do,
995 because we need to let any possibly pending IRQ out of
996 the system (and while we are WL1271_STATE_OFF the IRQ
997 work function will not do anything.) Also, any other
998 possible concurrent operations will fail due to the
999 current state, hence the wl1271 struct should be safe. */
1000 cancel_work_sync(&wl->irq_work);
1001 mutex_lock(&wl->mutex);
1003 wl1271_power_off(wl);
1006 wl1271_error("firmware boot failed despite %d retries",
1007 WL1271_BOOT_RETRIES);
1009 mutex_unlock(&wl->mutex);
1012 list_add(&wl->list, &wl_list);
1013 register_inetaddr_notifier(&wl1271_dev_notifier);
1019 static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
1020 struct ieee80211_vif *vif)
1022 struct wl1271 *wl = hw->priv;
1025 unregister_inetaddr_notifier(&wl1271_dev_notifier);
1027 mutex_lock(&wl->mutex);
1028 wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
1030 wl1271_info("down");
1032 list_del(&wl->list);
1034 WARN_ON(wl->state != WL1271_STATE_ON);
1036 if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
1037 mutex_unlock(&wl->mutex);
1038 ieee80211_scan_completed(wl->hw, true);
1039 mutex_lock(&wl->mutex);
1042 wl->state = WL1271_STATE_OFF;
1044 wl1271_disable_interrupts(wl);
1046 mutex_unlock(&wl->mutex);
1048 cancel_work_sync(&wl->irq_work);
1049 cancel_work_sync(&wl->tx_work);
1051 mutex_lock(&wl->mutex);
1053 /* let's notify MAC80211 about the remaining pending TX frames */
1054 wl1271_tx_flush(wl);
1055 wl1271_power_off(wl);
1057 memset(wl->bssid, 0, ETH_ALEN);
1058 memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1);
1060 wl->bss_type = MAX_BSS_TYPE;
1061 wl->set_bss_type = MAX_BSS_TYPE;
1062 wl->band = IEEE80211_BAND_2GHZ;
1065 wl->psm_entry_retry = 0;
1066 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
1067 wl->tx_blocks_available = 0;
1068 wl->tx_results_count = 0;
1069 wl->tx_packets_count = 0;
1070 wl->tx_security_last_seq = 0;
1071 wl->tx_security_seq = 0;
1072 wl->time_offset = 0;
1073 wl->session_counter = 0;
1074 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
1075 wl->sta_rate_set = 0;
1080 for (i = 0; i < NUM_TX_QUEUES; i++)
1081 wl->tx_blocks_freed[i] = 0;
1083 wl1271_debugfs_reset(wl);
1085 kfree(wl->fw_status);
1086 wl->fw_status = NULL;
1087 kfree(wl->tx_res_if);
1088 wl->tx_res_if = NULL;
1089 kfree(wl->target_mem_map);
1090 wl->target_mem_map = NULL;
1092 mutex_unlock(&wl->mutex);
1095 static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
1097 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
1098 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
1100 /* combine requested filters with current filter config */
1101 filters = wl->filters | filters;
1103 wl1271_debug(DEBUG_FILTERS, "RX filters set: ");
1105 if (filters & FIF_PROMISC_IN_BSS) {
1106 wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS");
1107 wl->rx_config &= ~CFG_UNI_FILTER_EN;
1108 wl->rx_config |= CFG_BSSID_FILTER_EN;
1110 if (filters & FIF_BCN_PRBRESP_PROMISC) {
1111 wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC");
1112 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1113 wl->rx_config &= ~CFG_SSID_FILTER_EN;
1115 if (filters & FIF_OTHER_BSS) {
1116 wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS");
1117 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1119 if (filters & FIF_CONTROL) {
1120 wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL");
1121 wl->rx_filter |= CFG_RX_CTL_EN;
1123 if (filters & FIF_FCSFAIL) {
1124 wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL");
1125 wl->rx_filter |= CFG_RX_FCS_ERROR;
1129 static int wl1271_dummy_join(struct wl1271 *wl)
1132 /* we need to use a dummy BSSID for now */
1133 static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
1136 memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
1138 /* pass through frames from all BSS */
1139 wl1271_configure_filters(wl, FIF_OTHER_BSS);
1141 ret = wl1271_cmd_join(wl, wl->set_bss_type);
1145 set_bit(WL1271_FLAG_JOINED, &wl->flags);
1151 static int wl1271_join(struct wl1271 *wl, bool set_assoc)
1156 * One of the side effects of the JOIN command is that is clears
1157 * WPA/WPA2 keys from the chipset. Performing a JOIN while associated
1158 * to a WPA/WPA2 access point will therefore kill the data-path.
1159 * Currently there is no supported scenario for JOIN during
1160 * association - if it becomes a supported scenario, the WPA/WPA2 keys
1161 * must be handled somehow.
1164 if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1165 wl1271_info("JOIN while associated.");
1168 set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
1170 ret = wl1271_cmd_join(wl, wl->set_bss_type);
1174 set_bit(WL1271_FLAG_JOINED, &wl->flags);
1176 if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1180 * The join command disable the keep-alive mode, shut down its process,
1181 * and also clear the template config, so we need to reset it all after
1182 * the join. The acx_aid starts the keep-alive process, and the order
1183 * of the commands below is relevant.
1185 ret = wl1271_acx_keep_alive_mode(wl, true);
1189 ret = wl1271_acx_aid(wl, wl->aid);
1193 ret = wl1271_cmd_build_klv_null_data(wl);
1197 ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
1198 ACX_KEEP_ALIVE_TPL_VALID);
1206 static int wl1271_unjoin(struct wl1271 *wl)
1210 /* to stop listening to a channel, we disconnect */
1211 ret = wl1271_cmd_disconnect(wl);
1215 clear_bit(WL1271_FLAG_JOINED, &wl->flags);
1216 memset(wl->bssid, 0, ETH_ALEN);
1218 /* stop filterting packets based on bssid */
1219 wl1271_configure_filters(wl, FIF_OTHER_BSS);
1225 static void wl1271_set_band_rate(struct wl1271 *wl)
1227 if (wl->band == IEEE80211_BAND_2GHZ)
1228 wl->basic_rate_set = wl->conf.tx.basic_rate;
1230 wl->basic_rate_set = wl->conf.tx.basic_rate_5;
1233 static u32 wl1271_min_rate_get(struct wl1271 *wl)
1238 if (!wl->basic_rate_set) {
1240 wl->basic_rate_set = wl->conf.tx.basic_rate;
1243 for (i = 0; !rate; i++) {
1244 if ((wl->basic_rate_set >> i) & 0x1)
1251 static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
1253 struct wl1271 *wl = hw->priv;
1254 struct ieee80211_conf *conf = &hw->conf;
1255 int channel, ret = 0;
1257 channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
1259 wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s",
1261 conf->flags & IEEE80211_CONF_PS ? "on" : "off",
1263 conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use");
1265 mutex_lock(&wl->mutex);
1267 if (unlikely(wl->state == WL1271_STATE_OFF))
1270 ret = wl1271_ps_elp_wakeup(wl, false);
1274 /* if the channel changes while joined, join again */
1275 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
1276 ((wl->band != conf->channel->band) ||
1277 (wl->channel != channel))) {
1278 wl->band = conf->channel->band;
1279 wl->channel = channel;
1282 * FIXME: the mac80211 should really provide a fixed rate
1283 * to use here. for now, just use the smallest possible rate
1284 * for the band as a fixed rate for association frames and
1285 * other control messages.
1287 if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
1288 wl1271_set_band_rate(wl);
1290 wl->basic_rate = wl1271_min_rate_get(wl);
1291 ret = wl1271_acx_rate_policies(wl);
1293 wl1271_warning("rate policy for update channel "
1296 if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
1297 ret = wl1271_join(wl, false);
1299 wl1271_warning("cmd join to update channel "
1304 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
1305 if (conf->flags & IEEE80211_CONF_IDLE &&
1306 test_bit(WL1271_FLAG_JOINED, &wl->flags))
1308 else if (!(conf->flags & IEEE80211_CONF_IDLE))
1309 wl1271_dummy_join(wl);
1311 if (conf->flags & IEEE80211_CONF_IDLE) {
1312 wl->rate_set = wl1271_min_rate_get(wl);
1313 wl->sta_rate_set = 0;
1314 wl1271_acx_rate_policies(wl);
1315 wl1271_acx_keep_alive_config(
1316 wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
1317 ACX_KEEP_ALIVE_TPL_INVALID);
1318 set_bit(WL1271_FLAG_IDLE, &wl->flags);
1320 clear_bit(WL1271_FLAG_IDLE, &wl->flags);
1323 if (conf->flags & IEEE80211_CONF_PS &&
1324 !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
1325 set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
1328 * We enter PSM only if we're already associated.
1329 * If we're not, we'll enter it when joining an SSID,
1330 * through the bss_info_changed() hook.
1332 if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
1333 wl1271_debug(DEBUG_PSM, "psm enabled");
1334 ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
1337 } else if (!(conf->flags & IEEE80211_CONF_PS) &&
1338 test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
1339 wl1271_debug(DEBUG_PSM, "psm disabled");
1341 clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
1343 if (test_bit(WL1271_FLAG_PSM, &wl->flags))
1344 ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
1348 if (conf->power_level != wl->power_level) {
1349 ret = wl1271_acx_tx_power(wl, conf->power_level);
1353 wl->power_level = conf->power_level;
1357 wl1271_ps_elp_sleep(wl);
1360 mutex_unlock(&wl->mutex);
1365 struct wl1271_filter_params {
1368 u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
1371 static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw,
1372 struct netdev_hw_addr_list *mc_list)
1374 struct wl1271_filter_params *fp;
1375 struct netdev_hw_addr *ha;
1376 struct wl1271 *wl = hw->priv;
1378 if (unlikely(wl->state == WL1271_STATE_OFF))
1381 fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
1383 wl1271_error("Out of memory setting filters.");
1387 /* update multicast filtering parameters */
1388 fp->mc_list_length = 0;
1389 if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) {
1390 fp->enabled = false;
1393 netdev_hw_addr_list_for_each(ha, mc_list) {
1394 memcpy(fp->mc_list[fp->mc_list_length],
1395 ha->addr, ETH_ALEN);
1396 fp->mc_list_length++;
1400 return (u64)(unsigned long)fp;
1403 #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
1406 FIF_BCN_PRBRESP_PROMISC | \
1410 static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
1411 unsigned int changed,
1412 unsigned int *total, u64 multicast)
1414 struct wl1271_filter_params *fp = (void *)(unsigned long)multicast;
1415 struct wl1271 *wl = hw->priv;
1418 wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter");
1420 mutex_lock(&wl->mutex);
1422 *total &= WL1271_SUPPORTED_FILTERS;
1423 changed &= WL1271_SUPPORTED_FILTERS;
1425 if (unlikely(wl->state == WL1271_STATE_OFF))
1428 ret = wl1271_ps_elp_wakeup(wl, false);
1433 if (*total & FIF_ALLMULTI)
1434 ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
1436 ret = wl1271_acx_group_address_tbl(wl, fp->enabled,
1438 fp->mc_list_length);
1442 /* determine, whether supported filter values have changed */
1446 /* configure filters */
1447 wl->filters = *total;
1448 wl1271_configure_filters(wl, 0);
1450 /* apply configured filters */
1451 ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
1456 wl1271_ps_elp_sleep(wl);
1459 mutex_unlock(&wl->mutex);
1463 static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1464 struct ieee80211_vif *vif,
1465 struct ieee80211_sta *sta,
1466 struct ieee80211_key_conf *key_conf)
1468 struct wl1271 *wl = hw->priv;
1475 static const u8 bcast_addr[ETH_ALEN] =
1476 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1478 wl1271_debug(DEBUG_MAC80211, "mac80211 set key");
1480 addr = sta ? sta->addr : bcast_addr;
1482 wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd);
1483 wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN);
1484 wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
1485 key_conf->alg, key_conf->keyidx,
1486 key_conf->keylen, key_conf->flags);
1487 wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
1489 if (is_zero_ether_addr(addr)) {
1490 /* We dont support TX only encryption */
1495 mutex_lock(&wl->mutex);
1497 ret = wl1271_ps_elp_wakeup(wl, false);
1501 switch (key_conf->alg) {
1505 key_conf->hw_key_idx = key_conf->keyidx;
1508 key_type = KEY_TKIP;
1510 key_conf->hw_key_idx = key_conf->keyidx;
1511 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1512 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
1517 key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1518 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1519 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
1522 wl1271_error("Unknown key algo 0x%x", key_conf->alg);
1530 ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
1531 key_conf->keyidx, key_type,
1532 key_conf->keylen, key_conf->key,
1533 addr, tx_seq_32, tx_seq_16);
1535 wl1271_error("Could not add or replace key");
1539 /* the default WEP key needs to be configured at least once */
1540 if (key_type == KEY_WEP) {
1541 ret = wl1271_cmd_set_default_wep_key(wl,
1549 /* The wl1271 does not allow to remove unicast keys - they
1550 will be cleared automatically on next CMD_JOIN. Ignore the
1551 request silently, as we dont want the mac80211 to emit
1552 an error message. */
1553 if (!is_broadcast_ether_addr(addr))
1556 ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
1557 key_conf->keyidx, key_type,
1558 key_conf->keylen, key_conf->key,
1561 wl1271_error("Could not remove key");
1567 wl1271_error("Unsupported key cmd 0x%x", cmd);
1573 wl1271_ps_elp_sleep(wl);
1576 mutex_unlock(&wl->mutex);
1582 static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
1583 struct ieee80211_vif *vif,
1584 struct cfg80211_scan_request *req)
1586 struct wl1271 *wl = hw->priv;
1591 wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan");
1594 ssid = req->ssids[0].ssid;
1595 len = req->ssids[0].ssid_len;
1598 mutex_lock(&wl->mutex);
1600 ret = wl1271_ps_elp_wakeup(wl, false);
1604 if (wl1271_11a_enabled())
1605 ret = wl1271_cmd_scan(hw->priv, ssid, len,
1606 req->ie, req->ie_len, 1, 0,
1607 WL1271_SCAN_BAND_DUAL, 3);
1609 ret = wl1271_cmd_scan(hw->priv, ssid, len,
1610 req->ie, req->ie_len, 1, 0,
1611 WL1271_SCAN_BAND_2_4_GHZ, 3);
1613 wl1271_ps_elp_sleep(wl);
1616 mutex_unlock(&wl->mutex);
1621 static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1623 struct wl1271 *wl = hw->priv;
1626 mutex_lock(&wl->mutex);
1628 if (unlikely(wl->state == WL1271_STATE_OFF))
1631 ret = wl1271_ps_elp_wakeup(wl, false);
1635 ret = wl1271_acx_rts_threshold(wl, (u16) value);
1637 wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret);
1639 wl1271_ps_elp_sleep(wl);
1642 mutex_unlock(&wl->mutex);
1647 static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon)
1649 u8 *ptr = beacon->data +
1650 offsetof(struct ieee80211_mgmt, u.beacon.variable);
1652 /* find the location of the ssid in the beacon */
1653 while (ptr < beacon->data + beacon->len) {
1654 if (ptr[0] == WLAN_EID_SSID) {
1655 wl->ssid_len = ptr[1];
1656 memcpy(wl->ssid, ptr+2, wl->ssid_len);
1661 wl1271_error("ad-hoc beacon template has no SSID!\n");
1664 static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
1665 struct ieee80211_vif *vif,
1666 struct ieee80211_bss_conf *bss_conf,
1669 enum wl1271_cmd_ps_mode mode;
1670 struct wl1271 *wl = hw->priv;
1671 bool do_join = false;
1672 bool set_assoc = false;
1675 wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
1677 mutex_lock(&wl->mutex);
1679 ret = wl1271_ps_elp_wakeup(wl, false);
1683 if ((changed && BSS_CHANGED_BEACON_INT) &&
1684 (wl->bss_type == BSS_TYPE_IBSS)) {
1685 wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d",
1686 bss_conf->beacon_int);
1688 wl->beacon_int = bss_conf->beacon_int;
1692 if ((changed && BSS_CHANGED_BEACON) &&
1693 (wl->bss_type == BSS_TYPE_IBSS)) {
1694 struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
1696 wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated");
1699 struct ieee80211_hdr *hdr;
1701 wl1271_ssid_set(wl, beacon);
1702 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
1705 wl1271_min_rate_get(wl));
1708 dev_kfree_skb(beacon);
1712 hdr = (struct ieee80211_hdr *) beacon->data;
1713 hdr->frame_control = cpu_to_le16(
1714 IEEE80211_FTYPE_MGMT |
1715 IEEE80211_STYPE_PROBE_RESP);
1717 ret = wl1271_cmd_template_set(wl,
1718 CMD_TEMPL_PROBE_RESPONSE,
1721 wl1271_min_rate_get(wl));
1722 dev_kfree_skb(beacon);
1726 /* Need to update the SSID (for filtering etc) */
1731 if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
1732 (wl->bss_type == BSS_TYPE_IBSS)) {
1733 wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s",
1734 bss_conf->enable_beacon ? "enabled" : "disabled");
1736 if (bss_conf->enable_beacon)
1737 wl->set_bss_type = BSS_TYPE_IBSS;
1739 wl->set_bss_type = BSS_TYPE_STA_BSS;
1743 if (changed & BSS_CHANGED_CQM) {
1744 bool enable = false;
1745 if (bss_conf->cqm_rssi_thold)
1747 ret = wl1271_acx_rssi_snr_trigger(wl, enable,
1748 bss_conf->cqm_rssi_thold,
1749 bss_conf->cqm_rssi_hyst);
1752 wl->rssi_thold = bss_conf->cqm_rssi_thold;
1755 if ((changed & BSS_CHANGED_BSSID) &&
1757 * Now we know the correct bssid, so we send a new join command
1758 * and enable the BSSID filter
1760 memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
1761 memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
1763 ret = wl1271_cmd_build_null_data(wl);
1767 ret = wl1271_build_qos_null_data(wl);
1771 /* filter out all packets not from this BSSID */
1772 wl1271_configure_filters(wl, 0);
1774 /* Need to update the BSSID (for filtering etc) */
1778 if (changed & BSS_CHANGED_ASSOC) {
1779 if (bss_conf->assoc) {
1781 wl->aid = bss_conf->aid;
1785 * use basic rates from AP, and determine lowest rate
1786 * to use with control frames.
1788 rates = bss_conf->basic_rates;
1789 wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
1791 wl->basic_rate = wl1271_min_rate_get(wl);
1792 ret = wl1271_acx_rate_policies(wl);
1797 * with wl1271, we don't need to update the
1798 * beacon_int and dtim_period, because the firmware
1799 * updates it by itself when the first beacon is
1800 * received after a join.
1802 ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
1807 * The SSID is intentionally set to NULL here - the
1808 * firmware will set the probe request with a
1809 * broadcast SSID regardless of what we set in the
1812 ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
1815 /* enable the connection monitoring feature */
1816 ret = wl1271_acx_conn_monit_params(wl, true);
1820 /* If we want to go in PSM but we're not there yet */
1821 if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
1822 !test_bit(WL1271_FLAG_PSM, &wl->flags)) {
1823 mode = STATION_POWER_SAVE_MODE;
1824 ret = wl1271_ps_set_mode(wl, mode, true);
1829 /* use defaults when not associated */
1830 clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
1833 /* revert back to minimum rates for the current band */
1834 wl1271_set_band_rate(wl);
1835 wl->basic_rate = wl1271_min_rate_get(wl);
1836 ret = wl1271_acx_rate_policies(wl);
1840 /* disable connection monitor features */
1841 ret = wl1271_acx_conn_monit_params(wl, false);
1843 /* Disable the keep-alive feature */
1844 ret = wl1271_acx_keep_alive_mode(wl, false);
1852 if (changed & BSS_CHANGED_ERP_SLOT) {
1853 if (bss_conf->use_short_slot)
1854 ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT);
1856 ret = wl1271_acx_slot(wl, SLOT_TIME_LONG);
1858 wl1271_warning("Set slot time failed %d", ret);
1863 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1864 if (bss_conf->use_short_preamble)
1865 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT);
1867 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG);
1870 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1871 if (bss_conf->use_cts_prot)
1872 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE);
1874 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE);
1876 wl1271_warning("Set ctsprotect failed %d", ret);
1882 ret = wl1271_join(wl, set_assoc);
1884 wl1271_warning("cmd join failed %d", ret);
1890 wl1271_ps_elp_sleep(wl);
1893 mutex_unlock(&wl->mutex);
1896 static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
1897 const struct ieee80211_tx_queue_params *params)
1899 struct wl1271 *wl = hw->priv;
1903 mutex_lock(&wl->mutex);
1905 wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue);
1907 ret = wl1271_ps_elp_wakeup(wl, false);
1911 /* the txop is confed in units of 32us by the mac80211, we need us */
1912 ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue),
1913 params->cw_min, params->cw_max,
1914 params->aifs, params->txop << 5);
1919 ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
1921 ps_scheme = CONF_PS_SCHEME_LEGACY;
1923 ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue),
1924 CONF_CHANNEL_TYPE_EDCF,
1925 wl1271_tx_get_queue(queue),
1926 ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0);
1931 wl1271_ps_elp_sleep(wl);
1934 mutex_unlock(&wl->mutex);
1940 /* can't be const, mac80211 writes to this */
1941 static struct ieee80211_rate wl1271_rates[] = {
1943 .hw_value = CONF_HW_BIT_RATE_1MBPS,
1944 .hw_value_short = CONF_HW_BIT_RATE_1MBPS, },
1946 .hw_value = CONF_HW_BIT_RATE_2MBPS,
1947 .hw_value_short = CONF_HW_BIT_RATE_2MBPS,
1948 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1950 .hw_value = CONF_HW_BIT_RATE_5_5MBPS,
1951 .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS,
1952 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1954 .hw_value = CONF_HW_BIT_RATE_11MBPS,
1955 .hw_value_short = CONF_HW_BIT_RATE_11MBPS,
1956 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1958 .hw_value = CONF_HW_BIT_RATE_6MBPS,
1959 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
1961 .hw_value = CONF_HW_BIT_RATE_9MBPS,
1962 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
1964 .hw_value = CONF_HW_BIT_RATE_12MBPS,
1965 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
1967 .hw_value = CONF_HW_BIT_RATE_18MBPS,
1968 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
1970 .hw_value = CONF_HW_BIT_RATE_24MBPS,
1971 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
1973 .hw_value = CONF_HW_BIT_RATE_36MBPS,
1974 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
1976 .hw_value = CONF_HW_BIT_RATE_48MBPS,
1977 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
1979 .hw_value = CONF_HW_BIT_RATE_54MBPS,
1980 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
1983 /* can't be const, mac80211 writes to this */
1984 static struct ieee80211_channel wl1271_channels[] = {
1985 { .hw_value = 1, .center_freq = 2412, .max_power = 25 },
1986 { .hw_value = 2, .center_freq = 2417, .max_power = 25 },
1987 { .hw_value = 3, .center_freq = 2422, .max_power = 25 },
1988 { .hw_value = 4, .center_freq = 2427, .max_power = 25 },
1989 { .hw_value = 5, .center_freq = 2432, .max_power = 25 },
1990 { .hw_value = 6, .center_freq = 2437, .max_power = 25 },
1991 { .hw_value = 7, .center_freq = 2442, .max_power = 25 },
1992 { .hw_value = 8, .center_freq = 2447, .max_power = 25 },
1993 { .hw_value = 9, .center_freq = 2452, .max_power = 25 },
1994 { .hw_value = 10, .center_freq = 2457, .max_power = 25 },
1995 { .hw_value = 11, .center_freq = 2462, .max_power = 25 },
1996 { .hw_value = 12, .center_freq = 2467, .max_power = 25 },
1997 { .hw_value = 13, .center_freq = 2472, .max_power = 25 },
2000 /* mapping to indexes for wl1271_rates */
2001 static const u8 wl1271_rate_to_idx_2ghz[] = {
2002 /* MCS rates are used only with 11n */
2003 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
2004 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
2005 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
2006 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
2007 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
2008 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
2009 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
2010 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
2012 11, /* CONF_HW_RXTX_RATE_54 */
2013 10, /* CONF_HW_RXTX_RATE_48 */
2014 9, /* CONF_HW_RXTX_RATE_36 */
2015 8, /* CONF_HW_RXTX_RATE_24 */
2017 /* TI-specific rate */
2018 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
2020 7, /* CONF_HW_RXTX_RATE_18 */
2021 6, /* CONF_HW_RXTX_RATE_12 */
2022 3, /* CONF_HW_RXTX_RATE_11 */
2023 5, /* CONF_HW_RXTX_RATE_9 */
2024 4, /* CONF_HW_RXTX_RATE_6 */
2025 2, /* CONF_HW_RXTX_RATE_5_5 */
2026 1, /* CONF_HW_RXTX_RATE_2 */
2027 0 /* CONF_HW_RXTX_RATE_1 */
2030 /* can't be const, mac80211 writes to this */
2031 static struct ieee80211_supported_band wl1271_band_2ghz = {
2032 .channels = wl1271_channels,
2033 .n_channels = ARRAY_SIZE(wl1271_channels),
2034 .bitrates = wl1271_rates,
2035 .n_bitrates = ARRAY_SIZE(wl1271_rates),
2038 /* 5 GHz data rates for WL1273 */
2039 static struct ieee80211_rate wl1271_rates_5ghz[] = {
2041 .hw_value = CONF_HW_BIT_RATE_6MBPS,
2042 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
2044 .hw_value = CONF_HW_BIT_RATE_9MBPS,
2045 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
2047 .hw_value = CONF_HW_BIT_RATE_12MBPS,
2048 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
2050 .hw_value = CONF_HW_BIT_RATE_18MBPS,
2051 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
2053 .hw_value = CONF_HW_BIT_RATE_24MBPS,
2054 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
2056 .hw_value = CONF_HW_BIT_RATE_36MBPS,
2057 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
2059 .hw_value = CONF_HW_BIT_RATE_48MBPS,
2060 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
2062 .hw_value = CONF_HW_BIT_RATE_54MBPS,
2063 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
2066 /* 5 GHz band channels for WL1273 */
2067 static struct ieee80211_channel wl1271_channels_5ghz[] = {
2068 { .hw_value = 183, .center_freq = 4915},
2069 { .hw_value = 184, .center_freq = 4920},
2070 { .hw_value = 185, .center_freq = 4925},
2071 { .hw_value = 187, .center_freq = 4935},
2072 { .hw_value = 188, .center_freq = 4940},
2073 { .hw_value = 189, .center_freq = 4945},
2074 { .hw_value = 192, .center_freq = 4960},
2075 { .hw_value = 196, .center_freq = 4980},
2076 { .hw_value = 7, .center_freq = 5035},
2077 { .hw_value = 8, .center_freq = 5040},
2078 { .hw_value = 9, .center_freq = 5045},
2079 { .hw_value = 11, .center_freq = 5055},
2080 { .hw_value = 12, .center_freq = 5060},
2081 { .hw_value = 16, .center_freq = 5080},
2082 { .hw_value = 34, .center_freq = 5170},
2083 { .hw_value = 36, .center_freq = 5180},
2084 { .hw_value = 38, .center_freq = 5190},
2085 { .hw_value = 40, .center_freq = 5200},
2086 { .hw_value = 42, .center_freq = 5210},
2087 { .hw_value = 44, .center_freq = 5220},
2088 { .hw_value = 46, .center_freq = 5230},
2089 { .hw_value = 48, .center_freq = 5240},
2090 { .hw_value = 52, .center_freq = 5260},
2091 { .hw_value = 56, .center_freq = 5280},
2092 { .hw_value = 60, .center_freq = 5300},
2093 { .hw_value = 64, .center_freq = 5320},
2094 { .hw_value = 100, .center_freq = 5500},
2095 { .hw_value = 104, .center_freq = 5520},
2096 { .hw_value = 108, .center_freq = 5540},
2097 { .hw_value = 112, .center_freq = 5560},
2098 { .hw_value = 116, .center_freq = 5580},
2099 { .hw_value = 120, .center_freq = 5600},
2100 { .hw_value = 124, .center_freq = 5620},
2101 { .hw_value = 128, .center_freq = 5640},
2102 { .hw_value = 132, .center_freq = 5660},
2103 { .hw_value = 136, .center_freq = 5680},
2104 { .hw_value = 140, .center_freq = 5700},
2105 { .hw_value = 149, .center_freq = 5745},
2106 { .hw_value = 153, .center_freq = 5765},
2107 { .hw_value = 157, .center_freq = 5785},
2108 { .hw_value = 161, .center_freq = 5805},
2109 { .hw_value = 165, .center_freq = 5825},
2112 /* mapping to indexes for wl1271_rates_5ghz */
2113 static const u8 wl1271_rate_to_idx_5ghz[] = {
2114 /* MCS rates are used only with 11n */
2115 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
2116 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
2117 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
2118 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
2119 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
2120 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
2121 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
2122 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
2124 7, /* CONF_HW_RXTX_RATE_54 */
2125 6, /* CONF_HW_RXTX_RATE_48 */
2126 5, /* CONF_HW_RXTX_RATE_36 */
2127 4, /* CONF_HW_RXTX_RATE_24 */
2129 /* TI-specific rate */
2130 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
2132 3, /* CONF_HW_RXTX_RATE_18 */
2133 2, /* CONF_HW_RXTX_RATE_12 */
2134 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */
2135 1, /* CONF_HW_RXTX_RATE_9 */
2136 0, /* CONF_HW_RXTX_RATE_6 */
2137 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */
2138 CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */
2139 CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */
2142 static struct ieee80211_supported_band wl1271_band_5ghz = {
2143 .channels = wl1271_channels_5ghz,
2144 .n_channels = ARRAY_SIZE(wl1271_channels_5ghz),
2145 .bitrates = wl1271_rates_5ghz,
2146 .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
2149 static const u8 *wl1271_band_rate_to_idx[] = {
2150 [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz,
2151 [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz
2154 static const struct ieee80211_ops wl1271_ops = {
2155 .start = wl1271_op_start,
2156 .stop = wl1271_op_stop,
2157 .add_interface = wl1271_op_add_interface,
2158 .remove_interface = wl1271_op_remove_interface,
2159 .config = wl1271_op_config,
2160 .prepare_multicast = wl1271_op_prepare_multicast,
2161 .configure_filter = wl1271_op_configure_filter,
2163 .set_key = wl1271_op_set_key,
2164 .hw_scan = wl1271_op_hw_scan,
2165 .bss_info_changed = wl1271_op_bss_info_changed,
2166 .set_rts_threshold = wl1271_op_set_rts_threshold,
2167 .conf_tx = wl1271_op_conf_tx,
2168 CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
2172 u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate)
2176 BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
2178 if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) {
2179 wl1271_error("Illegal RX rate from HW: %d", rate);
2183 idx = wl1271_band_rate_to_idx[wl->band][rate];
2184 if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) {
2185 wl1271_error("Unsupported RX rate from HW: %d", rate);
2192 static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev,
2193 struct device_attribute *attr,
2196 struct wl1271 *wl = dev_get_drvdata(dev);
2199 /* FIXME: what's the maximum length of buf? page size?*/
2202 mutex_lock(&wl->mutex);
2203 len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n",
2205 mutex_unlock(&wl->mutex);
2211 static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
2212 struct device_attribute *attr,
2213 const char *buf, size_t count)
2215 struct wl1271 *wl = dev_get_drvdata(dev);
2219 ret = strict_strtoul(buf, 10, &res);
2222 wl1271_warning("incorrect value written to bt_coex_mode");
2226 mutex_lock(&wl->mutex);
2230 if (res == wl->sg_enabled)
2233 wl->sg_enabled = res;
2235 if (wl->state == WL1271_STATE_OFF)
2238 ret = wl1271_ps_elp_wakeup(wl, false);
2242 wl1271_acx_sg_enable(wl, wl->sg_enabled);
2243 wl1271_ps_elp_sleep(wl);
2246 mutex_unlock(&wl->mutex);
2250 static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR,
2251 wl1271_sysfs_show_bt_coex_state,
2252 wl1271_sysfs_store_bt_coex_state);
2254 static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev,
2255 struct device_attribute *attr,
2258 struct wl1271 *wl = dev_get_drvdata(dev);
2261 /* FIXME: what's the maximum length of buf? page size?*/
2264 mutex_lock(&wl->mutex);
2265 if (wl->hw_pg_ver >= 0)
2266 len = snprintf(buf, len, "%d\n", wl->hw_pg_ver);
2268 len = snprintf(buf, len, "n/a\n");
2269 mutex_unlock(&wl->mutex);
2274 static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR,
2275 wl1271_sysfs_show_hw_pg_ver, NULL);
2277 int wl1271_register_hw(struct wl1271 *wl)
2281 if (wl->mac80211_registered)
2284 SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
2286 ret = ieee80211_register_hw(wl->hw);
2288 wl1271_error("unable to register mac80211 hw: %d", ret);
2292 wl->mac80211_registered = true;
2294 wl1271_notice("loaded");
2298 EXPORT_SYMBOL_GPL(wl1271_register_hw);
2300 void wl1271_unregister_hw(struct wl1271 *wl)
2302 ieee80211_unregister_hw(wl->hw);
2303 wl->mac80211_registered = false;
2306 EXPORT_SYMBOL_GPL(wl1271_unregister_hw);
2308 int wl1271_init_ieee80211(struct wl1271 *wl)
2310 /* The tx descriptor buffer and the TKIP space. */
2311 wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE +
2312 sizeof(struct wl1271_tx_hw_descr);
2315 /* FIXME: find a proper value */
2316 wl->hw->channel_change_time = 10000;
2317 wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval;
2319 wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
2320 IEEE80211_HW_BEACON_FILTER |
2321 IEEE80211_HW_SUPPORTS_PS |
2322 IEEE80211_HW_SUPPORTS_UAPSD |
2323 IEEE80211_HW_HAS_RATE_CONTROL |
2324 IEEE80211_HW_CONNECTION_MONITOR |
2325 IEEE80211_HW_SUPPORTS_CQM_RSSI;
2327 wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2328 BIT(NL80211_IFTYPE_ADHOC);
2329 wl->hw->wiphy->max_scan_ssids = 1;
2330 wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
2332 if (wl1271_11a_enabled())
2333 wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
2336 wl->hw->max_rates = 1;
2338 SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
2342 EXPORT_SYMBOL_GPL(wl1271_init_ieee80211);
2344 #define WL1271_DEFAULT_CHANNEL 0
2346 struct ieee80211_hw *wl1271_alloc_hw(void)
2348 struct ieee80211_hw *hw;
2349 struct platform_device *plat_dev = NULL;
2353 hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
2355 wl1271_error("could not alloc ieee80211_hw");
2360 plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL);
2362 wl1271_error("could not allocate platform_device");
2364 goto err_plat_alloc;
2367 memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device));
2370 memset(wl, 0, sizeof(*wl));
2372 INIT_LIST_HEAD(&wl->list);
2375 wl->plat_dev = plat_dev;
2377 skb_queue_head_init(&wl->tx_queue);
2379 INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
2380 wl->channel = WL1271_DEFAULT_CHANNEL;
2381 wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
2382 wl->default_key = 0;
2384 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
2385 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
2386 wl->psm_entry_retry = 0;
2387 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
2388 wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;
2389 wl->basic_rate = CONF_TX_RATE_MASK_BASIC;
2390 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
2391 wl->sta_rate_set = 0;
2392 wl->band = IEEE80211_BAND_2GHZ;
2395 wl->sg_enabled = true;
2398 for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
2399 wl->tx_frames[i] = NULL;
2401 spin_lock_init(&wl->wl_lock);
2403 wl->state = WL1271_STATE_OFF;
2404 mutex_init(&wl->mutex);
2406 /* Apply default driver configuration. */
2407 wl1271_conf_init(wl);
2409 wl1271_debugfs_init(wl);
2411 /* Register platform device */
2412 ret = platform_device_register(wl->plat_dev);
2414 wl1271_error("couldn't register platform device");
2417 dev_set_drvdata(&wl->plat_dev->dev, wl);
2419 /* Create sysfs file to control bt coex state */
2420 ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
2422 wl1271_error("failed to create sysfs file bt_coex_state");
2426 /* Create sysfs file to get HW PG version */
2427 ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver);
2429 wl1271_error("failed to create sysfs file hw_pg_ver");
2430 goto err_bt_coex_state;
2436 device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
2439 platform_device_unregister(wl->plat_dev);
2442 wl1271_debugfs_exit(wl);
2446 ieee80211_free_hw(hw);
2450 return ERR_PTR(ret);
2452 EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
2454 int wl1271_free_hw(struct wl1271 *wl)
2456 platform_device_unregister(wl->plat_dev);
2457 kfree(wl->plat_dev);
2459 wl1271_debugfs_exit(wl);
2466 kfree(wl->fw_status);
2467 kfree(wl->tx_res_if);
2469 ieee80211_free_hw(wl->hw);
2473 EXPORT_SYMBOL_GPL(wl1271_free_hw);
2475 MODULE_LICENSE("GPL");
2476 MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
2477 MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");