| /* | 
 |  * Copyright (c) 2005-2011 Atheros Communications Inc. | 
 |  * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. | 
 |  * | 
 |  * Permission to use, copy, modify, and/or distribute this software for any | 
 |  * purpose with or without fee is hereby granted, provided that the above | 
 |  * copyright notice and this permission notice appear in all copies. | 
 |  * | 
 |  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | 
 |  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | 
 |  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | 
 |  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 
 |  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | 
 |  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | 
 |  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | 
 |  */ | 
 |  | 
 | #ifndef _CORE_H_ | 
 | #define _CORE_H_ | 
 |  | 
 | #include <linux/completion.h> | 
 | #include <linux/if_ether.h> | 
 | #include <linux/types.h> | 
 | #include <linux/pci.h> | 
 |  | 
 | #include "htt.h" | 
 | #include "htc.h" | 
 | #include "hw.h" | 
 | #include "targaddrs.h" | 
 | #include "wmi.h" | 
 | #include "../ath.h" | 
 | #include "../regd.h" | 
 |  | 
 | #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB) | 
 | #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) | 
 | #define WO(_f)      ((_f##_OFFSET) >> 2) | 
 |  | 
 | #define ATH10K_SCAN_ID 0 | 
 | #define WMI_READY_TIMEOUT (5 * HZ) | 
 | #define ATH10K_FLUSH_TIMEOUT_HZ (5*HZ) | 
 | #define ATH10K_NUM_CHANS 38 | 
 |  | 
 | /* Antenna noise floor */ | 
 | #define ATH10K_DEFAULT_NOISE_FLOOR -95 | 
 |  | 
 | struct ath10k; | 
 |  | 
 | struct ath10k_skb_cb { | 
 | 	dma_addr_t paddr; | 
 | 	bool is_mapped; | 
 | 	bool is_aborted; | 
 |  | 
 | 	struct { | 
 | 		u8 vdev_id; | 
 | 		u16 msdu_id; | 
 | 		u8 tid; | 
 | 		bool is_offchan; | 
 | 		bool is_conf; | 
 | 		bool discard; | 
 | 		bool no_ack; | 
 | 		u8 refcount; | 
 | 		struct sk_buff *txfrag; | 
 | 		struct sk_buff *msdu; | 
 | 	} __packed htt; | 
 |  | 
 | 	/* 4 bytes left on 64bit arch */ | 
 | } __packed; | 
 |  | 
 | static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb) | 
 | { | 
 | 	BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) > | 
 | 		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE); | 
 | 	return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data; | 
 | } | 
 |  | 
 | static inline int ath10k_skb_map(struct device *dev, struct sk_buff *skb) | 
 | { | 
 | 	if (ATH10K_SKB_CB(skb)->is_mapped) | 
 | 		return -EINVAL; | 
 |  | 
 | 	ATH10K_SKB_CB(skb)->paddr = dma_map_single(dev, skb->data, skb->len, | 
 | 						   DMA_TO_DEVICE); | 
 |  | 
 | 	if (unlikely(dma_mapping_error(dev, ATH10K_SKB_CB(skb)->paddr))) | 
 | 		return -EIO; | 
 |  | 
 | 	ATH10K_SKB_CB(skb)->is_mapped = true; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static inline int ath10k_skb_unmap(struct device *dev, struct sk_buff *skb) | 
 | { | 
 | 	if (!ATH10K_SKB_CB(skb)->is_mapped) | 
 | 		return -EINVAL; | 
 |  | 
 | 	dma_unmap_single(dev, ATH10K_SKB_CB(skb)->paddr, skb->len, | 
 | 			 DMA_TO_DEVICE); | 
 | 	ATH10K_SKB_CB(skb)->is_mapped = false; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static inline u32 host_interest_item_address(u32 item_offset) | 
 | { | 
 | 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset; | 
 | } | 
 |  | 
 | struct ath10k_bmi { | 
 | 	bool done_sent; | 
 | }; | 
 |  | 
 | struct ath10k_wmi { | 
 | 	enum ath10k_htc_ep_id eid; | 
 | 	struct completion service_ready; | 
 | 	struct completion unified_ready; | 
 | 	atomic_t pending_tx_count; | 
 | 	wait_queue_head_t wq; | 
 |  | 
 | 	struct sk_buff_head wmi_event_list; | 
 | 	struct work_struct wmi_event_work; | 
 | }; | 
 |  | 
 | struct ath10k_peer_stat { | 
 | 	u8 peer_macaddr[ETH_ALEN]; | 
 | 	u32 peer_rssi; | 
 | 	u32 peer_tx_rate; | 
 | }; | 
 |  | 
 | struct ath10k_target_stats { | 
 | 	/* PDEV stats */ | 
 | 	s32 ch_noise_floor; | 
 | 	u32 tx_frame_count; | 
 | 	u32 rx_frame_count; | 
 | 	u32 rx_clear_count; | 
 | 	u32 cycle_count; | 
 | 	u32 phy_err_count; | 
 | 	u32 chan_tx_power; | 
 |  | 
 | 	/* PDEV TX stats */ | 
 | 	s32 comp_queued; | 
 | 	s32 comp_delivered; | 
 | 	s32 msdu_enqued; | 
 | 	s32 mpdu_enqued; | 
 | 	s32 wmm_drop; | 
 | 	s32 local_enqued; | 
 | 	s32 local_freed; | 
 | 	s32 hw_queued; | 
 | 	s32 hw_reaped; | 
 | 	s32 underrun; | 
 | 	s32 tx_abort; | 
 | 	s32 mpdus_requed; | 
 | 	u32 tx_ko; | 
 | 	u32 data_rc; | 
 | 	u32 self_triggers; | 
 | 	u32 sw_retry_failure; | 
 | 	u32 illgl_rate_phy_err; | 
 | 	u32 pdev_cont_xretry; | 
 | 	u32 pdev_tx_timeout; | 
 | 	u32 pdev_resets; | 
 | 	u32 phy_underrun; | 
 | 	u32 txop_ovf; | 
 |  | 
 | 	/* PDEV RX stats */ | 
 | 	s32 mid_ppdu_route_change; | 
 | 	s32 status_rcvd; | 
 | 	s32 r0_frags; | 
 | 	s32 r1_frags; | 
 | 	s32 r2_frags; | 
 | 	s32 r3_frags; | 
 | 	s32 htt_msdus; | 
 | 	s32 htt_mpdus; | 
 | 	s32 loc_msdus; | 
 | 	s32 loc_mpdus; | 
 | 	s32 oversize_amsdu; | 
 | 	s32 phy_errs; | 
 | 	s32 phy_err_drop; | 
 | 	s32 mpdu_errs; | 
 |  | 
 | 	/* VDEV STATS */ | 
 |  | 
 | 	/* PEER STATS */ | 
 | 	u8 peers; | 
 | 	struct ath10k_peer_stat peer_stat[TARGET_NUM_PEERS]; | 
 |  | 
 | 	/* TODO: Beacon filter stats */ | 
 |  | 
 | }; | 
 |  | 
 | #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */ | 
 |  | 
 | struct ath10k_peer { | 
 | 	struct list_head list; | 
 | 	int vdev_id; | 
 | 	u8 addr[ETH_ALEN]; | 
 | 	DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS); | 
 | 	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1]; | 
 | }; | 
 |  | 
 | #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ) | 
 |  | 
 | struct ath10k_vif { | 
 | 	u32 vdev_id; | 
 | 	enum wmi_vdev_type vdev_type; | 
 | 	enum wmi_vdev_subtype vdev_subtype; | 
 | 	u32 beacon_interval; | 
 | 	u32 dtim_period; | 
 |  | 
 | 	struct ath10k *ar; | 
 | 	struct ieee80211_vif *vif; | 
 |  | 
 | 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1]; | 
 | 	u8 def_wep_key_index; | 
 |  | 
 | 	u16 tx_seq_no; | 
 |  | 
 | 	union { | 
 | 		struct { | 
 | 			u8 bssid[ETH_ALEN]; | 
 | 			u32 uapsd; | 
 | 		} sta; | 
 | 		struct { | 
 | 			/* 127 stations; wmi limit */ | 
 | 			u8 tim_bitmap[16]; | 
 | 			u8 tim_len; | 
 | 			u32 ssid_len; | 
 | 			u8 ssid[IEEE80211_MAX_SSID_LEN]; | 
 | 			bool hidden_ssid; | 
 | 			/* P2P_IE with NoA attribute for P2P_GO case */ | 
 | 			u32 noa_len; | 
 | 			u8 *noa_data; | 
 | 		} ap; | 
 | 		struct { | 
 | 			u8 bssid[ETH_ALEN]; | 
 | 		} ibss; | 
 | 	} u; | 
 | }; | 
 |  | 
 | struct ath10k_vif_iter { | 
 | 	u32 vdev_id; | 
 | 	struct ath10k_vif *arvif; | 
 | }; | 
 |  | 
 | struct ath10k_debug { | 
 | 	struct dentry *debugfs_phy; | 
 |  | 
 | 	struct ath10k_target_stats target_stats; | 
 | 	u32 wmi_service_bitmap[WMI_SERVICE_BM_SIZE]; | 
 |  | 
 | 	struct completion event_stats_compl; | 
 | }; | 
 |  | 
 | enum ath10k_state { | 
 | 	ATH10K_STATE_OFF = 0, | 
 | 	ATH10K_STATE_ON, | 
 |  | 
 | 	/* When doing firmware recovery the device is first powered down. | 
 | 	 * mac80211 is supposed to call in to start() hook later on. It is | 
 | 	 * however possible that driver unloading and firmware crash overlap. | 
 | 	 * mac80211 can wait on conf_mutex in stop() while the device is | 
 | 	 * stopped in ath10k_core_restart() work holding conf_mutex. The state | 
 | 	 * RESTARTED means that the device is up and mac80211 has started hw | 
 | 	 * reconfiguration. Once mac80211 is done with the reconfiguration we | 
 | 	 * set the state to STATE_ON in restart_complete(). */ | 
 | 	ATH10K_STATE_RESTARTING, | 
 | 	ATH10K_STATE_RESTARTED, | 
 |  | 
 | 	/* The device has crashed while restarting hw. This state is like ON | 
 | 	 * but commands are blocked in HTC and -ECOMM response is given. This | 
 | 	 * prevents completion timeouts and makes the driver more responsive to | 
 | 	 * userspace commands. This is also prevents recursive recovery. */ | 
 | 	ATH10K_STATE_WEDGED, | 
 | }; | 
 |  | 
 | struct ath10k { | 
 | 	struct ath_common ath_common; | 
 | 	struct ieee80211_hw *hw; | 
 | 	struct device *dev; | 
 | 	u8 mac_addr[ETH_ALEN]; | 
 |  | 
 | 	u32 target_version; | 
 | 	u8 fw_version_major; | 
 | 	u32 fw_version_minor; | 
 | 	u16 fw_version_release; | 
 | 	u16 fw_version_build; | 
 | 	u32 phy_capability; | 
 | 	u32 hw_min_tx_power; | 
 | 	u32 hw_max_tx_power; | 
 | 	u32 ht_cap_info; | 
 | 	u32 vht_cap_info; | 
 | 	u32 num_rf_chains; | 
 |  | 
 | 	struct targetdef *targetdef; | 
 | 	struct hostdef *hostdef; | 
 |  | 
 | 	bool p2p; | 
 |  | 
 | 	struct { | 
 | 		void *priv; | 
 | 		const struct ath10k_hif_ops *ops; | 
 | 	} hif; | 
 |  | 
 | 	wait_queue_head_t event_queue; | 
 | 	bool is_target_paused; | 
 |  | 
 | 	struct ath10k_bmi bmi; | 
 | 	struct ath10k_wmi wmi; | 
 | 	struct ath10k_htc htc; | 
 | 	struct ath10k_htt htt; | 
 |  | 
 | 	struct ath10k_hw_params { | 
 | 		u32 id; | 
 | 		const char *name; | 
 | 		u32 patch_load_addr; | 
 |  | 
 | 		struct ath10k_hw_params_fw { | 
 | 			const char *dir; | 
 | 			const char *fw; | 
 | 			const char *otp; | 
 | 			const char *board; | 
 | 		} fw; | 
 | 	} hw_params; | 
 |  | 
 | 	const struct firmware *board_data; | 
 | 	const struct firmware *otp; | 
 | 	const struct firmware *firmware; | 
 |  | 
 | 	struct { | 
 | 		struct completion started; | 
 | 		struct completion completed; | 
 | 		struct completion on_channel; | 
 | 		struct timer_list timeout; | 
 | 		bool is_roc; | 
 | 		bool in_progress; | 
 | 		bool aborting; | 
 | 		int vdev_id; | 
 | 		int roc_freq; | 
 | 	} scan; | 
 |  | 
 | 	struct { | 
 | 		struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; | 
 | 	} mac; | 
 |  | 
 | 	/* should never be NULL; needed for regular htt rx */ | 
 | 	struct ieee80211_channel *rx_channel; | 
 |  | 
 | 	/* valid during scan; needed for mgmt rx during scan */ | 
 | 	struct ieee80211_channel *scan_channel; | 
 |  | 
 | 	int free_vdev_map; | 
 | 	int monitor_vdev_id; | 
 | 	bool monitor_enabled; | 
 | 	bool monitor_present; | 
 | 	unsigned int filter_flags; | 
 |  | 
 | 	struct wmi_pdev_set_wmm_params_arg wmm_params; | 
 | 	struct completion install_key_done; | 
 |  | 
 | 	struct completion vdev_setup_done; | 
 |  | 
 | 	struct workqueue_struct *workqueue; | 
 |  | 
 | 	/* prevents concurrent FW reconfiguration */ | 
 | 	struct mutex conf_mutex; | 
 |  | 
 | 	/* protects shared structure data */ | 
 | 	spinlock_t data_lock; | 
 |  | 
 | 	struct list_head peers; | 
 | 	wait_queue_head_t peer_mapping_wq; | 
 |  | 
 | 	struct work_struct offchan_tx_work; | 
 | 	struct sk_buff_head offchan_tx_queue; | 
 | 	struct completion offchan_tx_completed; | 
 | 	struct sk_buff *offchan_tx_skb; | 
 |  | 
 | 	enum ath10k_state state; | 
 |  | 
 | 	struct work_struct restart_work; | 
 |  | 
 | 	/* cycle count is reported twice for each visited channel during scan. | 
 | 	 * access protected by data_lock */ | 
 | 	u32 survey_last_rx_clear_count; | 
 | 	u32 survey_last_cycle_count; | 
 | 	struct survey_info survey[ATH10K_NUM_CHANS]; | 
 |  | 
 | #ifdef CONFIG_ATH10K_DEBUGFS | 
 | 	struct ath10k_debug debug; | 
 | #endif | 
 | }; | 
 |  | 
 | struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev, | 
 | 				  const struct ath10k_hif_ops *hif_ops); | 
 | void ath10k_core_destroy(struct ath10k *ar); | 
 |  | 
 | int ath10k_core_start(struct ath10k *ar); | 
 | void ath10k_core_stop(struct ath10k *ar); | 
 | int ath10k_core_register(struct ath10k *ar); | 
 | void ath10k_core_unregister(struct ath10k *ar); | 
 |  | 
 | #endif /* _CORE_H_ */ |