2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <linux/completion.h>
22 #include <linux/if_ether.h>
23 #include <linux/types.h>
24 #include <linux/pci.h>
29 #include "targaddrs.h"
34 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
35 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
36 #define WO(_f) ((_f##_OFFSET) >> 2)
38 #define ATH10K_SCAN_ID 0
39 #define WMI_READY_TIMEOUT (5 * HZ)
40 #define ATH10K_FLUSH_TIMEOUT_HZ (5*HZ)
42 /* Antenna noise floor */
43 #define ATH10K_DEFAULT_NOISE_FLOOR -95
47 struct ath10k_skb_cb {
61 struct sk_buff *txfrag;
65 /* 4 bytes left on 64bit arch */
68 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
70 BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
71 IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
72 return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
75 static inline int ath10k_skb_map(struct device *dev, struct sk_buff *skb)
77 if (ATH10K_SKB_CB(skb)->is_mapped)
80 ATH10K_SKB_CB(skb)->paddr = dma_map_single(dev, skb->data, skb->len,
83 if (unlikely(dma_mapping_error(dev, ATH10K_SKB_CB(skb)->paddr)))
86 ATH10K_SKB_CB(skb)->is_mapped = true;
90 static inline int ath10k_skb_unmap(struct device *dev, struct sk_buff *skb)
92 if (!ATH10K_SKB_CB(skb)->is_mapped)
95 dma_unmap_single(dev, ATH10K_SKB_CB(skb)->paddr, skb->len,
97 ATH10K_SKB_CB(skb)->is_mapped = false;
101 static inline u32 host_interest_item_address(u32 item_offset)
103 return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
111 enum ath10k_htc_ep_id eid;
112 struct completion service_ready;
113 struct completion unified_ready;
114 atomic_t pending_tx_count;
115 wait_queue_head_t wq;
117 struct sk_buff_head wmi_event_list;
118 struct work_struct wmi_event_work;
121 struct ath10k_peer_stat {
122 u8 peer_macaddr[ETH_ALEN];
127 struct ath10k_target_stats {
153 u32 sw_retry_failure;
154 u32 illgl_rate_phy_err;
155 u32 pdev_cont_xretry;
162 s32 mid_ppdu_route_change;
181 struct ath10k_peer_stat peer_stat[TARGET_NUM_PEERS];
183 /* TODO: Beacon filter stats */
187 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
190 struct list_head list;
193 DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
194 struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
197 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
201 enum wmi_vdev_type vdev_type;
202 enum wmi_vdev_subtype vdev_subtype;
207 struct ieee80211_vif *vif;
209 struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
210 u8 def_wep_key_index;
220 /* 127 stations; wmi limit */
224 u8 ssid[IEEE80211_MAX_SSID_LEN];
226 /* P2P_IE with NoA attribute for P2P_GO case */
236 struct ath10k_vif_iter {
238 struct ath10k_vif *arvif;
241 struct ath10k_debug {
242 struct dentry *debugfs_phy;
244 struct ath10k_target_stats target_stats;
245 u32 wmi_service_bitmap[WMI_SERVICE_BM_SIZE];
247 struct completion event_stats_compl;
251 ATH10K_STATE_OFF = 0,
254 /* When doing firmware recovery the device is first powered down.
255 * mac80211 is supposed to call in to start() hook later on. It is
256 * however possible that driver unloading and firmware crash overlap.
257 * mac80211 can wait on conf_mutex in stop() while the device is
258 * stopped in ath10k_core_restart() work holding conf_mutex. The state
259 * RESTARTED means that the device is up and mac80211 has started hw
260 * reconfiguration. Once mac80211 is done with the reconfiguration we
261 * set the state to STATE_ON in restart_complete(). */
262 ATH10K_STATE_RESTARTING,
263 ATH10K_STATE_RESTARTED,
265 /* The device has crashed while restarting hw. This state is like ON
266 * but commands are blocked in HTC and -ECOMM response is given. This
267 * prevents completion timeouts and makes the driver more responsive to
268 * userspace commands. This is also prevents recursive recovery. */
273 struct ath_common ath_common;
274 struct ieee80211_hw *hw;
276 u8 mac_addr[ETH_ALEN];
280 u32 fw_version_minor;
281 u16 fw_version_release;
282 u16 fw_version_build;
289 struct targetdef *targetdef;
290 struct hostdef *hostdef;
296 const struct ath10k_hif_ops *ops;
299 wait_queue_head_t event_queue;
300 bool is_target_paused;
302 struct ath10k_bmi bmi;
303 struct ath10k_wmi wmi;
304 struct ath10k_htc htc;
305 struct ath10k_htt htt;
307 struct ath10k_hw_params {
312 struct ath10k_hw_params_fw {
320 const struct firmware *board_data;
321 const struct firmware *otp;
322 const struct firmware *firmware;
325 struct completion started;
326 struct completion completed;
327 struct completion on_channel;
328 struct timer_list timeout;
337 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
340 /* should never be NULL; needed for regular htt rx */
341 struct ieee80211_channel *rx_channel;
343 /* valid during scan; needed for mgmt rx during scan */
344 struct ieee80211_channel *scan_channel;
348 bool monitor_enabled;
349 bool monitor_present;
350 unsigned int filter_flags;
352 struct wmi_pdev_set_wmm_params_arg wmm_params;
353 struct completion install_key_done;
355 struct completion vdev_setup_done;
357 struct workqueue_struct *workqueue;
359 /* prevents concurrent FW reconfiguration */
360 struct mutex conf_mutex;
362 /* protects shared structure data */
363 spinlock_t data_lock;
365 struct list_head peers;
366 wait_queue_head_t peer_mapping_wq;
368 struct work_struct offchan_tx_work;
369 struct sk_buff_head offchan_tx_queue;
370 struct completion offchan_tx_completed;
371 struct sk_buff *offchan_tx_skb;
373 enum ath10k_state state;
375 struct work_struct restart_work;
377 #ifdef CONFIG_ATH10K_DEBUGFS
378 struct ath10k_debug debug;
382 struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev,
383 const struct ath10k_hif_ops *hif_ops);
384 void ath10k_core_destroy(struct ath10k *ar);
386 int ath10k_core_start(struct ath10k *ar);
387 void ath10k_core_stop(struct ath10k *ar);
388 int ath10k_core_register(struct ath10k *ar);
389 void ath10k_core_unregister(struct ath10k *ar);
391 #endif /* _CORE_H_ */