2 * Copyright (c) 2010-2011 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <linux/etherdevice.h>
21 #include <linux/rtnetlink.h>
22 #include <linux/firmware.h>
23 #include <linux/sched.h>
24 #include <linux/circ_buf.h>
25 #include <net/cfg80211.h>
32 #define ATH6KL_MAX_RX_BUFFERS 16
33 #define ATH6KL_BUFFER_SIZE 1664
34 #define ATH6KL_MAX_AMSDU_RX_BUFFERS 4
35 #define ATH6KL_AMSDU_REFILL_THRESHOLD 3
36 #define ATH6KL_AMSDU_BUFFER_SIZE (WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH + 128)
37 #define MAX_MSDU_SUBFRAME_PAYLOAD_LEN 1508
38 #define MIN_MSDU_SUBFRAME_PAYLOAD_LEN 46
40 #define USER_SAVEDKEYS_STAT_INIT 0
41 #define USER_SAVEDKEYS_STAT_RUN 1
43 #define ATH6KL_TX_TIMEOUT 10
44 #define ATH6KL_MAX_ENDPOINTS 4
45 #define MAX_NODE_NUM 15
47 #define ATH6KL_APSD_ALL_FRAME 0xFFFF
48 #define ATH6KL_APSD_NUM_OF_AC 0x4
49 #define ATH6KL_APSD_FRAME_MASK 0xF
51 /* Extra bytes for htc header alignment */
52 #define ATH6KL_HTC_ALIGN_BYTES 3
54 /* MAX_HI_COOKIE_NUM are reserved for high priority traffic */
55 #define MAX_DEF_COOKIE_NUM 180
56 #define MAX_HI_COOKIE_NUM 18 /* 10% of MAX_COOKIE_NUM */
57 #define MAX_COOKIE_NUM (MAX_DEF_COOKIE_NUM + MAX_HI_COOKIE_NUM)
59 #define MAX_DEFAULT_SEND_QUEUE_DEPTH (MAX_DEF_COOKIE_NUM / WMM_NUM_AC)
61 #define DISCON_TIMER_INTVAL 10000 /* in msec */
62 #define A_DEFAULT_LISTEN_INTERVAL 1 /* beacon intervals */
63 #define A_MAX_WOW_LISTEN_INTERVAL 1000
65 /* includes also the null byte */
66 #define ATH6KL_FIRMWARE_MAGIC "QCA-ATH6KL"
68 enum ath6kl_fw_ie_type {
69 ATH6KL_FW_IE_FW_VERSION = 0,
70 ATH6KL_FW_IE_TIMESTAMP = 1,
71 ATH6KL_FW_IE_OTP_IMAGE = 2,
72 ATH6KL_FW_IE_FW_IMAGE = 3,
73 ATH6KL_FW_IE_PATCH_IMAGE = 4,
74 ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
75 ATH6KL_FW_IE_CAPABILITIES = 6,
76 ATH6KL_FW_IE_PATCH_ADDR = 7,
77 ATH6KL_FW_IE_BOARD_ADDR = 8,
78 ATH6KL_FW_IE_VIF_MAX = 9,
81 enum ath6kl_fw_capability {
82 ATH6KL_FW_CAPABILITY_HOST_P2P = 0,
83 ATH6KL_FW_CAPABILITY_SCHED_SCAN = 1,
86 * Firmware is capable of supporting P2P mgmt operations on a
87 * station interface. After group formation, the station
88 * interface will become a P2P client/GO interface as the case may be
90 ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
92 /* this needs to be last */
93 ATH6KL_FW_CAPABILITY_MAX,
96 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
104 #define ATH6KL_FW_API2_FILE "fw-2.bin"
105 #define ATH6KL_FW_API3_FILE "fw-3.bin"
107 /* AR6003 1.0 definitions */
108 #define AR6003_HW_1_0_VERSION 0x300002ba
110 /* AR6003 2.0 definitions */
111 #define AR6003_HW_2_0_VERSION 0x30000384
112 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS 0x57e910
113 #define AR6003_HW_2_0_FW_DIR "ath6k/AR6003/hw2.0"
114 #define AR6003_HW_2_0_OTP_FILE "otp.bin.z77"
115 #define AR6003_HW_2_0_FIRMWARE_FILE "athwlan.bin.z77"
116 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE "athtcmd_ram.bin"
117 #define AR6003_HW_2_0_PATCH_FILE "data.patch.bin"
118 #define AR6003_HW_2_0_BOARD_DATA_FILE "ath6k/AR6003/hw2.0/bdata.bin"
119 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
120 "ath6k/AR6003/hw2.0/bdata.SD31.bin"
122 /* AR6003 3.0 definitions */
123 #define AR6003_HW_2_1_1_VERSION 0x30000582
124 #define AR6003_HW_2_1_1_FW_DIR "ath6k/AR6003/hw2.1.1"
125 #define AR6003_HW_2_1_1_OTP_FILE "otp.bin"
126 #define AR6003_HW_2_1_1_FIRMWARE_FILE "athwlan.bin"
127 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE "athtcmd_ram.bin"
128 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE "utf.bin"
129 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin"
130 #define AR6003_HW_2_1_1_PATCH_FILE "data.patch.bin"
131 #define AR6003_HW_2_1_1_BOARD_DATA_FILE "ath6k/AR6003/hw2.1.1/bdata.bin"
132 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \
133 "ath6k/AR6003/hw2.1.1/bdata.SD31.bin"
135 /* AR6004 1.0 definitions */
136 #define AR6004_HW_1_0_VERSION 0x30000623
137 #define AR6004_HW_1_0_FW_DIR "ath6k/AR6004/hw1.0"
138 #define AR6004_HW_1_0_FIRMWARE_FILE "fw.ram.bin"
139 #define AR6004_HW_1_0_BOARD_DATA_FILE "ath6k/AR6004/hw1.0/bdata.bin"
140 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
141 "ath6k/AR6004/hw1.0/bdata.DB132.bin"
143 /* AR6004 1.1 definitions */
144 #define AR6004_HW_1_1_VERSION 0x30000001
145 #define AR6004_HW_1_1_FW_DIR "ath6k/AR6004/hw1.1"
146 #define AR6004_HW_1_1_FIRMWARE_FILE "fw.ram.bin"
147 #define AR6004_HW_1_1_BOARD_DATA_FILE "ath6k/AR6004/hw1.1/bdata.bin"
148 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
149 "ath6k/AR6004/hw1.1/bdata.DB132.bin"
151 /* Per STA data, used in AP mode */
152 #define STA_PS_AWAKE BIT(0)
153 #define STA_PS_SLEEP BIT(1)
154 #define STA_PS_POLLED BIT(2)
155 #define STA_PS_APSD_TRIGGER BIT(3)
156 #define STA_PS_APSD_EOSP BIT(4)
158 /* HTC TX packet tagging definitions */
159 #define ATH6KL_CONTROL_PKT_TAG HTC_TX_PACKET_TAG_USER_DEFINED
160 #define ATH6KL_DATA_PKT_TAG (ATH6KL_CONTROL_PKT_TAG + 1)
162 #define AR6003_CUST_DATA_SIZE 16
164 #define AGGR_WIN_IDX(x, y) ((x) % (y))
165 #define AGGR_INCR_IDX(x, y) AGGR_WIN_IDX(((x) + 1), (y))
166 #define AGGR_DCRM_IDX(x, y) AGGR_WIN_IDX(((x) - 1), (y))
167 #define ATH6KL_MAX_SEQ_NO 0xFFF
168 #define ATH6KL_NEXT_SEQ_NO(x) (((x) + 1) & ATH6KL_MAX_SEQ_NO)
170 #define NUM_OF_TIDS 8
171 #define AGGR_SZ_DEFAULT 8
173 #define AGGR_WIN_SZ_MIN 2
174 #define AGGR_WIN_SZ_MAX 8
176 #define TID_WINDOW_SZ(_x) ((_x) << 1)
178 #define AGGR_NUM_OF_FREE_NETBUFS 16
180 #define AGGR_RX_TIMEOUT 400 /* in ms */
182 #define WMI_TIMEOUT (2 * HZ)
184 #define MBOX_YIELD_LIMIT 99
186 /* configuration lags */
188 * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
189 * ERP IE of beacon to determine the short premable support when
190 * sending (Re)Assoc req.
191 * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
192 * module state transition failure events which happen during
195 #define ATH6KL_CONF_IGNORE_ERP_BARKER BIT(0)
196 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN BIT(1)
197 #define ATH6KL_CONF_ENABLE_11N BIT(2)
198 #define ATH6KL_CONF_ENABLE_TX_BURST BIT(3)
199 #define ATH6KL_CONF_SUSPEND_CUTPOWER BIT(4)
200 #define ATH6KL_CONF_UART_DEBUG BIT(5)
202 enum wlan_low_pwr_state {
204 WLAN_POWER_STATE_CUT_PWR,
205 WLAN_POWER_STATE_DEEP_SLEEP,
228 struct skb_hold_q *hold_q;
229 struct sk_buff_head q;
245 struct aggr_info_conn {
248 struct timer_list timer;
249 struct net_device *dev;
250 struct rxtid rx_tid[NUM_OF_TIDS];
251 struct rxtid_stats stat[NUM_OF_TIDS];
252 struct aggr_info *aggr_info;
256 struct aggr_info_conn *aggr_conn;
257 struct sk_buff_head rx_amsdu_freeq;
260 struct ath6kl_wep_key {
266 #define ATH6KL_KEY_SEQ_LEN 8
269 u8 key[WLAN_MAX_KEY_LEN];
271 u8 seq[ATH6KL_KEY_SEQ_LEN];
276 struct ath6kl_node_mapping {
277 u8 mac_addr[ETH_ALEN];
282 struct ath6kl_cookie {
285 struct htc_packet htc_pkt;
286 struct ath6kl_cookie *arc_list_next;
296 u8 wpa_ie[ATH6KL_MAX_IE];
297 struct sk_buff_head psq;
300 struct sk_buff_head apsdq;
301 struct aggr_info_conn *aggr_conn;
304 struct ath6kl_version {
318 struct target_stats {
327 u64 tx_rts_success_cnt;
328 u64 tx_pkt_per_ac[4];
333 u64 tx_mult_retry_cnt;
348 u64 rx_key_cache_miss;
352 u64 tkip_local_mic_fail;
353 u64 tkip_cnter_measures_invoked;
359 u64 pwr_save_fail_cnt;
372 u16 wow_evt_discarded;
374 s16 noise_floor_calib;
376 s16 cs_ave_beacon_rssi;
377 u8 cs_ave_beacon_snr;
378 u8 cs_last_roam_msec;
381 u8 wow_host_pkt_wakeups;
382 u8 wow_host_evt_wakeups;
389 struct ath6kl_mbox_info {
402 * 802.11i defines an extended IV for use with non-WEP ciphers.
403 * When the EXTIV bit is set in the key id byte an additional
404 * 4 bytes immediately follow the IV for TKIP. For CCMP the
405 * EXTIV bit is likewise set but the 8 bytes represent the
406 * CCMP header rather than IV+extended-IV.
409 #define ATH6KL_KEYBUF_SIZE 16
410 #define ATH6KL_MICBUF_SIZE (8+8) /* space for both tx and rx */
412 #define ATH6KL_KEY_XMIT 0x01
413 #define ATH6KL_KEY_RECV 0x02
414 #define ATH6KL_KEY_DEFAULT 0x80 /* default xmit key */
416 /* Initial group key for AP mode */
417 struct ath6kl_req_key {
421 u8 key[WLAN_MAX_KEY_LEN];
425 enum ath6kl_hif_type {
426 ATH6KL_HIF_TYPE_SDIO,
430 /* Max number of filters that hw supports */
431 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7
432 struct ath6kl_mc_filter {
433 struct list_head list;
434 char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE];
438 * Driver's maximum limit, note that some firmwares support only one vif
439 * and the runtime (current) limit must be checked from ar->vif_max.
441 #define ATH6KL_VIF_MAX 3
444 enum ath6kl_vif_state {
451 CLEAR_BSSFILTER_ON_BEACON,
458 struct list_head list;
459 struct wireless_dev wdev;
460 struct net_device *ndev;
462 /* Lock to protect vif specific net_stats and flags */
467 u8 ssid[IEEE80211_MAX_SSID_LEN];
471 u8 prwise_crypto_len;
478 u8 req_bssid[ETH_ALEN];
481 struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
482 struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
483 struct aggr_info *aggr_cntxt;
485 struct timer_list disconnect_timer;
486 struct timer_list sched_scan_timer;
488 struct cfg80211_scan_request *scan_req;
489 enum sme_state sme_state;
492 u32 last_cancel_roc_id;
494 bool probe_req_report;
496 u16 assoc_bss_beacon_int;
497 u8 assoc_bss_dtim_period;
498 struct net_device_stats net_stats;
499 struct target_stats target_stats;
501 struct list_head mc_filter;
504 #define WOW_LIST_ID 0
505 #define WOW_HOST_REQ_DELAY 500 /* ms */
507 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
510 enum ath6kl_dev_state {
524 ATH6KL_STATE_DEEPSLEEP,
525 ATH6KL_STATE_CUTPOWER,
527 ATH6KL_STATE_SCHED_SCAN,
534 enum ath6kl_state state;
536 struct ath6kl_bmi bmi;
537 const struct ath6kl_hif_ops *hif_ops;
539 int tx_pending[ENDPOINT_MAX];
540 int total_tx_data_pend;
541 struct htc_target *htc_target;
542 enum ath6kl_hif_type hif_type;
544 struct list_head vif_list;
545 /* Lock to avoid race in vif_list entries among add/del/traverse */
546 spinlock_t list_lock;
548 unsigned int vif_max;
552 struct semaphore sem;
554 u8 lrssi_roam_threshold;
555 struct ath6kl_version version;
558 struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
563 struct ath6kl_cookie *cookie_list;
565 enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
566 bool ac_stream_active[WMM_NUM_AC];
567 u8 ac_stream_pri_map[WMM_NUM_AC];
568 u8 hiac_stream_active_pri;
569 u8 ep2ac_map[ENDPOINT_MAX];
570 enum htc_endpoint_id ctrl_ep;
571 struct ath6kl_htc_credit_info credit_state_info;
572 u32 connect_ctrl_flags;
575 struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
577 struct ath6kl_req_key ap_mode_bkey;
578 struct sk_buff_head mcastpsq;
579 spinlock_t mcastpsq_lock;
581 struct wmi_ap_mode_stat ap_stats;
582 u8 ap_country_code[3];
583 struct list_head amsdu_rx_buffer_queue;
585 enum wlan_low_pwr_state wlan_pwr_state;
586 u8 mac_addr[ETH_ALEN];
587 #define AR_MCAST_FILTER_MAC_ADDR_SIZE 4
590 size_t rx_report_len;
596 u32 dataset_patch_addr;
598 u32 app_start_override_addr;
599 u32 board_ext_data_addr;
600 u32 reserved_ram_size;
606 struct ath6kl_hw_fw {
613 const char *testscript;
616 const char *fw_board;
617 const char *fw_default_board;
621 wait_queue_head_t event_wq;
622 struct ath6kl_mbox_info mbox_info;
624 struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
640 size_t fw_testscript_len;
643 unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
645 struct workqueue_struct *ath6kl_wq;
647 struct dentry *debugfs_phy;
651 #ifdef CONFIG_ATH6KL_DEBUG
653 struct circ_buf fwlog_buf;
654 spinlock_t fwlog_lock;
657 unsigned int dbgfs_diag_reg;
658 u32 diag_reg_addr_wr;
662 unsigned int invalid_rate;
666 unsigned int roam_tbl_len;
671 #endif /* CONFIG_ATH6KL_DEBUG */
674 static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
676 return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
679 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
684 if (ar->target_type == TARGET_TYPE_AR6003)
685 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
686 else if (ar->target_type == TARGET_TYPE_AR6004)
687 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
692 int ath6kl_configure_target(struct ath6kl *ar);
693 void ath6kl_detect_error(unsigned long ptr);
694 void disconnect_timer_handler(unsigned long ptr);
695 void init_netdev(struct net_device *dev);
696 void ath6kl_cookie_init(struct ath6kl *ar);
697 void ath6kl_cookie_cleanup(struct ath6kl *ar);
698 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
699 void ath6kl_tx_complete(void *context, struct list_head *packet_queue);
700 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
701 struct htc_packet *packet);
702 void ath6kl_stop_txrx(struct ath6kl *ar);
703 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
704 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
705 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
706 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
707 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
708 int ath6kl_read_fwlogs(struct ath6kl *ar);
709 void ath6kl_init_profile_info(struct ath6kl_vif *vif);
710 void ath6kl_tx_data_cleanup(struct ath6kl *ar);
712 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
713 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
714 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
716 struct aggr_info *aggr_init(struct ath6kl_vif *vif);
717 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info_conn *aggr_conn);
718 void ath6kl_rx_refill(struct htc_target *target,
719 enum htc_endpoint_id endpoint);
720 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
721 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
722 enum htc_endpoint_id endpoint,
724 void aggr_module_destroy(struct aggr_info *aggr_info);
725 void aggr_reset_state(struct aggr_info_conn *aggr_conn);
727 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 * node_addr);
728 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
730 void ath6kl_ready_event(void *devt, u8 * datap, u32 sw_ver, u32 abi_ver);
731 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
732 enum htc_endpoint_id eid);
733 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
734 u8 *bssid, u16 listen_int,
735 u16 beacon_int, enum network_type net_type,
736 u8 beacon_ie_len, u8 assoc_req_len,
737 u8 assoc_resp_len, u8 *assoc_info);
738 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
739 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
740 u8 keymgmt, u8 ucipher, u8 auth,
741 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
742 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
743 u8 *bssid, u8 assoc_resp_len,
744 u8 *assoc_info, u16 prot_reason_status);
745 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
746 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
747 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
748 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
749 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
750 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
752 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
754 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
755 void ath6kl_disconnect(struct ath6kl_vif *vif);
756 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
757 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
759 void ath6kl_wakeup_event(void *dev);
761 void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
762 bool wait_fot_compltn, bool cold_reset);
763 void ath6kl_init_control_info(struct ath6kl_vif *vif);
764 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
765 void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready);
766 int ath6kl_init_hw_start(struct ath6kl *ar);
767 int ath6kl_init_hw_stop(struct ath6kl *ar);
768 int ath6kl_init_fetch_firmwares(struct ath6kl *ar);
769 int ath6kl_init_hw_params(struct ath6kl *ar);
771 void ath6kl_check_wow_status(struct ath6kl *ar);
773 struct ath6kl *ath6kl_core_create(struct device *dev);
774 int ath6kl_core_init(struct ath6kl *ar);
775 void ath6kl_core_cleanup(struct ath6kl *ar);
776 void ath6kl_core_destroy(struct ath6kl *ar);