/* * Copyright (c) 2010-2011 Atheros Communications 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 HTC_H #define HTC_H #include #include #include #include #include #include #include #include #include #include "common.h" #include "htc_hst.h" #include "hif_usb.h" #include "wmi.h" #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */ #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ #define ATH_DEFAULT_BMISS_LIMIT 10 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) #define TSF_TO_TU(_h, _l) \ ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) extern struct ieee80211_ops ath9k_htc_ops; extern int htc_modparam_nohwcrypt; enum htc_phymode { HTC_MODE_11NA = 0, HTC_MODE_11NG = 1 }; enum htc_opmode { HTC_M_STA = 1, HTC_M_IBSS = 0, HTC_M_AHDEMO = 3, HTC_M_HOSTAP = 6, HTC_M_MONITOR = 8, HTC_M_WDS = 2 }; #define ATH9K_HTC_AMPDU 1 #define ATH9K_HTC_NORMAL 2 #define ATH9K_HTC_BEACON 3 #define ATH9K_HTC_MGMT 4 #define ATH9K_HTC_TX_CTSONLY 0x1 #define ATH9K_HTC_TX_RTSCTS 0x2 struct tx_frame_hdr { u8 data_type; u8 node_idx; u8 vif_idx; u8 tidno; __be32 flags; /* ATH9K_HTC_TX_* */ u8 key_type; u8 keyix; u8 cookie; u8 pad; } __packed; struct tx_mgmt_hdr { u8 node_idx; u8 vif_idx; u8 tidno; u8 flags; u8 key_type; u8 keyix; u8 cookie; u8 pad; } __packed; struct tx_beacon_header { u8 vif_index; u8 len_changed; u16 rev; } __packed; #define MAX_TX_AMPDU_SUBFRAMES_9271 17 #define MAX_TX_AMPDU_SUBFRAMES_7010 22 struct ath9k_htc_cap_target { __be32 ampdu_limit; u8 ampdu_subframes; u8 enable_coex; u8 tx_chainmask; u8 pad; } __packed; struct ath9k_htc_target_vif { u8 index; u8 opmode; u8 myaddr[ETH_ALEN]; u8 ath_cap; __be16 rtsthreshold; u8 pad; } __packed; struct ath9k_htc_target_sta { u8 macaddr[ETH_ALEN]; u8 bssid[ETH_ALEN]; u8 sta_index; u8 vif_index; u8 is_vif_sta; __be16 flags; __be16 htcap; __be16 maxampdu; u8 pad; } __packed; struct ath9k_htc_target_aggr { u8 sta_index; u8 tidno; u8 aggr_enable; u8 padding; } __packed; #define ATH_HTC_RATE_MAX 30 #define WLAN_RC_DS_FLAG 0x01 #define WLAN_RC_40_FLAG 0x02 #define WLAN_RC_SGI_FLAG 0x04 #define WLAN_RC_HT_FLAG 0x08 struct ath9k_htc_rateset { u8 rs_nrates; u8 rs_rates[ATH_HTC_RATE_MAX]; }; struct ath9k_htc_rate { struct ath9k_htc_rateset legacy_rates; struct ath9k_htc_rateset ht_rates; } __packed; struct ath9k_htc_target_rate { u8 sta_index; u8 isnew; __be32 capflags; struct ath9k_htc_rate rates; }; struct ath9k_htc_target_rate_mask { u8 vif_index; u8 band; __be32 mask; u16 pad; } __packed; struct ath9k_htc_target_int_stats { __be32 rx; __be32 rxorn; __be32 rxeol; __be32 txurn; __be32 txto; __be32 cst; } __packed; struct ath9k_htc_target_tx_stats { __be32 xretries; __be32 fifoerr; __be32 filtered; __be32 timer_exp; __be32 shortretries; __be32 longretries; __be32 qnull; __be32 encap_fail; __be32 nobuf; } __packed; struct ath9k_htc_target_rx_stats { __be32 nobuf; __be32 host_send; __be32 host_done; } __packed; #define ATH9K_HTC_MAX_VIF 2 #define ATH9K_HTC_MAX_BCN_VIF 2 #define INC_VIF(_priv, _type) do { \ switch (_type) { \ case NL80211_IFTYPE_STATION: \ _priv->num_sta_vif++; \ break; \ case NL80211_IFTYPE_ADHOC: \ _priv->num_ibss_vif++; \ break; \ case NL80211_IFTYPE_AP: \ _priv->num_ap_vif++; \ break; \ default: \ break; \ } \ } while (0) #define DEC_VIF(_priv, _type) do { \ switch (_type) { \ case NL80211_IFTYPE_STATION: \ _priv->num_sta_vif--; \ break; \ case NL80211_IFTYPE_ADHOC: \ _priv->num_ibss_vif--; \ break; \ case NL80211_IFTYPE_AP: \ _priv->num_ap_vif--; \ break; \ default: \ break; \ } \ } while (0) struct ath9k_htc_vif { u8 index; u16 seq_no; bool beacon_configured; int bslot; __le64 tsfadjust; }; struct ath9k_vif_iter_data { const u8 *hw_macaddr; u8 mask[ETH_ALEN]; }; #define ATH9K_HTC_MAX_STA 8 #define ATH9K_HTC_MAX_TID 8 enum tid_aggr_state { AGGR_STOP = 0, AGGR_PROGRESS, AGGR_START, AGGR_OPERATIONAL }; struct ath9k_htc_sta { u8 index; enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID]; }; #define ATH9K_HTC_RXBUF 256 #define HTC_RX_FRAME_HEADER_SIZE 40 struct ath9k_htc_rxbuf { bool in_process; struct sk_buff *skb; struct ath_htc_rx_status rxstatus; struct list_head list; }; struct ath9k_htc_rx { int last_rssi; /* FIXME: per-STA */ struct list_head rxbuf; spinlock_t rxbuflock; }; #define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */ #define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */ #define ATH9K_HTC_TX_RESERVE 10 #define ATH9K_HTC_TX_TIMEOUT_COUNT 40 #define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE) #define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0) #define ATH9K_HTC_OP_TX_DRAIN BIT(1) struct ath9k_htc_tx { u8 flags; int queued_cnt; struct sk_buff_head mgmt_ep_queue; struct sk_buff_head cab_ep_queue; struct sk_buff_head data_be_queue; struct sk_buff_head data_bk_queue; struct sk_buff_head data_vi_queue; struct sk_buff_head data_vo_queue; struct sk_buff_head tx_failed; DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM); struct timer_list cleanup_timer; spinlock_t tx_lock; }; struct ath9k_htc_tx_ctl { u8 type; /* ATH9K_HTC_* */ u8 epid; u8 txok; u8 sta_idx; unsigned long timestamp; }; static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) > IEEE80211_TX_INFO_DRIVER_DATA_SIZE); return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data; } #ifdef CONFIG_ATH9K_HTC_DEBUGFS #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++) #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++ #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, struct ath_htc_rx_status *rxs); struct ath_tx_stats { u32 buf_queued; u32 buf_completed; u32 skb_queued; u32 skb_success; u32 skb_failed; u32 cab_queued; u32 queue_stats[WME_NUM_AC]; }; struct ath_rx_stats { u32 skb_allocated; u32 skb_completed; u32 skb_dropped; u32 err_crc; u32 err_decrypt_crc; u32 err_mic; u32 err_pre_delim; u32 err_post_delim; u32 err_decrypt_busy; u32 err_phy; u32 err_phy_stats[ATH9K_PHYERR_MAX]; }; struct ath9k_debug { struct dentry *debugfs_phy; struct ath_tx_stats tx_stats; struct ath_rx_stats rx_stats; }; #else #define TX_STAT_INC(c) do { } while (0) #define RX_STAT_INC(c) do { } while (0) #define CAB_STAT_INC do { } while (0) #define TX_QSTAT_INC(c) do { } while (0) static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, struct ath_htc_rx_status *rxs) { } #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ #define ATH_LED_PIN_DEF 1 #define ATH_LED_PIN_9287 10 #define ATH_LED_PIN_9271 15 #define ATH_LED_PIN_7010 12 #define BSTUCK_THRESHOLD 10 /* * Adjust these when the max. no of beaconing interfaces is * increased. */ #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */ #define MIN_SWBA_RESPONSE 10 /* in TUs */ struct htc_beacon_config { struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF]; u16 beacon_interval; u16 dtim_period; u16 bmiss_timeout; u32 bmiss_cnt; }; struct ath_btcoex { u32 bt_priority_cnt; unsigned long bt_priority_time; int bt_stomp_type; /* Types of BT stomping */ u32 btcoex_no_stomp; u32 btcoex_period; u32 btscan_no_stomp; }; #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product); void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv); void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv); #else static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product) { } static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv) { } static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv) { } #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ #define OP_INVALID BIT(0) #define OP_SCANNING BIT(1) #define OP_ENABLE_BEACON BIT(2) #define OP_BT_PRIORITY_DETECTED BIT(3) #define OP_BT_SCAN BIT(4) #define OP_ANI_RUNNING BIT(5) #define OP_TSF_RESET BIT(6) struct ath9k_htc_priv { struct device *dev; struct ieee80211_hw *hw; struct ath_hw *ah; struct htc_target *htc; struct wmi *wmi; u16 fw_version_major; u16 fw_version_minor; enum htc_endpoint_id wmi_cmd_ep; enum htc_endpoint_id beacon_ep; enum htc_endpoint_id cab_ep; enum htc_endpoint_id uapsd_ep; enum htc_endpoint_id mgmt_ep; enum htc_endpoint_id data_be_ep; enum htc_endpoint_id data_bk_ep; enum htc_endpoint_id data_vi_ep; enum htc_endpoint_id data_vo_ep; u8 vif_slot; u8 mon_vif_idx; u8 sta_slot; u8 vif_sta_pos[ATH9K_HTC_MAX_VIF]; u8 num_ibss_vif; u8 num_sta_vif; u8 num_sta_assoc_vif; u8 num_ap_vif; u16 op_flags; u16 curtxpow; u16 txpowlimit; u16 nvifs; u16 nstations; bool rearm_ani; bool reconfig_beacon; unsigned int rxfilter; struct ath9k_hw_cal_data caldata; struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; spinlock_t beacon_lock; struct htc_beacon_config cur_beacon_conf; struct ath9k_htc_rx rx; struct ath9k_htc_tx tx; struct tasklet_struct swba_tasklet; struct tasklet_struct rx_tasklet; struct delayed_work ani_work; struct tasklet_struct tx_failed_tasklet; struct work_struct ps_work; struct work_struct fatal_work; struct mutex htc_pm_lock; unsigned long ps_usecount; bool ps_enabled; bool ps_idle; #ifdef CONFIG_MAC80211_LEDS enum led_brightness brightness; bool led_registered; char led_name[32]; struct led_classdev led_cdev; struct work_struct led_work; #endif int beaconq; int cabq; int hwq_map[WME_NUM_AC]; #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT struct ath_btcoex btcoex; #endif struct delayed_work coex_period_work; struct delayed_work duty_cycle_work; #ifdef CONFIG_ATH9K_HTC_DEBUGFS struct ath9k_debug debug; #endif struct mutex mutex; }; static inline void ath_read_cachesize(struct ath_common *common, int *csz) { common->bus_ops->read_cachesize(common, csz); } void ath9k_htc_reset(struct ath9k_htc_priv *priv); void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv); void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv); void ath9k_htc_swba(struct ath9k_htc_priv *priv, struct wmi_event_swba *swba); void ath9k_htc_rxep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id); void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id, bool txok); void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb, enum htc_endpoint_id ep_id, bool txok); int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv, u8 enable_coex); void ath9k_htc_ani_work(struct work_struct *work); void ath9k_htc_start_ani(struct ath9k_htc_priv *priv); void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv); int ath9k_tx_init(struct ath9k_htc_priv *priv); int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb, u8 slot, bool is_cab); void ath9k_tx_cleanup(struct ath9k_htc_priv *priv); bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype); int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv); int get_hw_qnum(u16 queue, int *hwq_map); int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum, struct ath9k_tx_queue_info *qinfo); void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv); void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv); int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv); void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot); void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv); void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event); void ath9k_tx_failed_tasklet(unsigned long data); void ath9k_htc_tx_cleanup_timer(unsigned long data); int ath9k_rx_init(struct ath9k_htc_priv *priv); void ath9k_rx_cleanup(struct ath9k_htc_priv *priv); void ath9k_host_rx_init(struct ath9k_htc_priv *priv); void ath9k_rx_tasklet(unsigned long data); u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv); void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv); void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv); void ath9k_ps_work(struct work_struct *work); bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, enum ath9k_power_mode mode); void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv); void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw); void ath9k_htc_radio_enable(struct ieee80211_hw *hw); void ath9k_htc_radio_disable(struct ieee80211_hw *hw); #ifdef CONFIG_MAC80211_LEDS void ath9k_init_leds(struct ath9k_htc_priv *priv); void ath9k_deinit_leds(struct ath9k_htc_priv *priv); void ath9k_led_work(struct work_struct *work); #else static inline void ath9k_init_leds(struct ath9k_htc_priv *priv) { } static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv) { } static inline void ath9k_led_work(struct work_struct *work) { } #endif int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, u16 devid, char *product, u32 drv_info); void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug); #ifdef CONFIG_PM void ath9k_htc_suspend(struct htc_target *htc_handle); int ath9k_htc_resume(struct htc_target *htc_handle); #endif #ifdef CONFIG_ATH9K_HTC_DEBUGFS int ath9k_htc_init_debug(struct ath_hw *ah); #else static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; }; #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ #endif /* HTC_H */