/* * Copyright (c) 2010 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 "common.h" #include "htc_hst.h" #include "hif_usb.h" #include "wmi.h" #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ #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_AUTO = 0, HTC_MODE_11A = 1, HTC_MODE_11B = 2, HTC_MODE_11G = 3, HTC_MODE_FH = 4, HTC_MODE_TURBO_A = 5, HTC_MODE_TURBO_G = 6, HTC_MODE_11NA = 7, HTC_MODE_11NG = 8 }; 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_HDRSPACE sizeof(struct htc_frame_hdr) #define ATH9K_HTC_AMPDU 1 #define ATH9K_HTC_NORMAL 2 #define ATH9K_HTC_TX_CTSONLY 0x1 #define ATH9K_HTC_TX_RTSCTS 0x2 #define ATH9K_HTC_TX_USE_MIN_RATE 0x100 struct tx_frame_hdr { u8 data_type; u8 node_idx; u8 vif_idx; u8 tidno; u32 flags; /* ATH9K_HTC_TX_* */ u8 key_type; u8 keyix; u8 reserved[26]; } __packed; struct tx_mgmt_hdr { u8 node_idx; u8 vif_idx; u8 tidno; u8 flags; u8 key_type; u8 keyix; u16 reserved; } __packed; struct tx_beacon_header { u8 len_changed; u8 vif_index; u16 rev; } __packed; struct ath9k_htc_target_hw { u32 flags; u32 flags_ext; u32 ampdu_limit; u8 ampdu_subframes; u8 tx_chainmask; u8 tx_chainmask_legacy; u8 rtscts_ratecode; u8 protmode; } __packed; struct ath9k_htc_cap_target { u32 flags; u32 flags_ext; u32 ampdu_limit; u8 ampdu_subframes; u8 tx_chainmask; u8 tx_chainmask_legacy; u8 rtscts_ratecode; u8 protmode; } __packed; struct ath9k_htc_target_vif { u8 index; u8 des_bssid[ETH_ALEN]; enum htc_opmode opmode; u8 myaddr[ETH_ALEN]; u8 bssid[ETH_ALEN]; u32 flags; u32 flags_ext; u16 ps_sta; u16 rtsthreshold; u8 ath_cap; u8 node; s8 mcast_rate; } __packed; #define ATH_HTC_STA_AUTH 0x0001 #define ATH_HTC_STA_QOS 0x0002 #define ATH_HTC_STA_ERP 0x0004 #define ATH_HTC_STA_HT 0x0008 /* FIXME: UAPSD variables */ struct ath9k_htc_target_sta { u16 associd; u16 txpower; u32 ucastkey; u8 macaddr[ETH_ALEN]; u8 bssid[ETH_ALEN]; u8 sta_index; u8 vif_index; u8 vif_sta; u16 flags; /* ATH_HTC_STA_* */ u16 htcap; u8 valid; u16 capinfo; struct ath9k_htc_target_hw *hw; struct ath9k_htc_target_vif *vif; u16 txseqmgmt; u8 is_vif_sta; u16 maxampdu; u16 iv16; u32 iv32; } __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; u32 capflags; struct ath9k_htc_rate rates; }; struct ath9k_htc_target_stats { u32 tx_shortretry; u32 tx_longretry; u32 tx_xretries; u32 ht_txunaggr_xretry; u32 ht_tx_xretries; } __packed; struct ath9k_htc_vif { u8 index; }; #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]; }; struct ath9k_htc_aggr_work { u16 tid; u8 sta_addr[ETH_ALEN]; struct ieee80211_hw *hw; struct ieee80211_vif *vif; enum ieee80211_ampdu_mlme_action action; struct mutex mutex; }; #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; }; struct ath9k_htc_tx_ctl { u8 type; /* ATH9K_HTC_* */ }; #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++) struct ath_tx_stats { u32 buf_queued; u32 buf_completed; u32 skb_queued; u32 skb_completed; }; struct ath_rx_stats { u32 skb_allocated; u32 skb_completed; u32 skb_dropped; }; struct ath9k_debug { struct dentry *debugfs_phy; struct dentry *debugfs_tgt_stats; struct dentry *debugfs_xmit; struct dentry *debugfs_recv; struct ath_tx_stats tx_stats; struct ath_rx_stats rx_stats; u32 txrate; }; #else #define TX_STAT_INC(c) do { } while (0) #define RX_STAT_INC(c) do { } while (0) #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ #define ATH_LED_PIN_DEF 1 #define ATH_LED_PIN_9287 8 #define ATH_LED_PIN_9271 15 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */ #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */ enum ath_led_type { ATH_LED_RADIO, ATH_LED_ASSOC, ATH_LED_TX, ATH_LED_RX }; struct ath_led { struct ath9k_htc_priv *priv; struct led_classdev led_cdev; enum ath_led_type led_type; struct delayed_work brightness_work; char name[32]; bool registered; int brightness; }; #define OP_INVALID BIT(0) #define OP_SCANNING BIT(1) #define OP_FULL_RESET BIT(2) #define OP_LED_ASSOCIATED BIT(3) #define OP_LED_ON BIT(4) #define OP_PREAMBLE_SHORT BIT(5) #define OP_PROTECT_ENABLE BIT(6) #define OP_TXAGGR BIT(7) #define OP_ASSOCIATED BIT(8) #define OP_ENABLE_BEACON BIT(9) #define OP_LED_DEINIT BIT(10) struct ath9k_htc_priv { struct device *dev; struct ieee80211_hw *hw; struct ath_hw *ah; struct htc_target *htc; struct wmi *wmi; 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; u16 op_flags; u16 curtxpow; u16 txpowlimit; u16 nvifs; u16 nstations; u16 seq_no; u32 bmiss_cnt; struct sk_buff *beacon; spinlock_t beacon_lock; bool tx_queues_stop; spinlock_t tx_lock; struct ieee80211_vif *vif; unsigned int rxfilter; struct tasklet_struct wmi_tasklet; struct tasklet_struct rx_tasklet; struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; struct ath9k_htc_rx rx; struct tasklet_struct tx_tasklet; struct sk_buff_head tx_queue; struct ath9k_htc_aggr_work aggr_work; struct delayed_work ath9k_aggr_work; struct delayed_work ath9k_ani_work; struct work_struct ps_work; struct mutex htc_pm_lock; unsigned long ps_usecount; bool ps_enabled; struct ath_led radio_led; struct ath_led assoc_led; struct ath_led tx_led; struct ath_led rx_led; struct delayed_work ath9k_led_blink_work; int led_on_duration; int led_off_duration; int led_on_cnt; int led_off_cnt; int hwq_map[ATH9K_WME_AC_VO+1]; #ifdef CONFIG_ATH9K_HTC_DEBUGFS struct ath9k_debug debug; #endif struct ath9k_htc_target_rate tgt_rate; 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_beacon_config(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf); void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending); void ath9k_htc_beacon_update(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); 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_station_work(struct work_struct *work); void ath9k_htc_aggr_work(struct work_struct *work); void ath9k_ani_work(struct work_struct *work);; int ath9k_tx_init(struct ath9k_htc_priv *priv); void ath9k_tx_tasklet(unsigned long data); int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb); void ath9k_tx_cleanup(struct ath9k_htc_priv *priv); bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, enum ath9k_tx_queue_subtype qtype); 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); 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); void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv); void ath9k_init_leds(struct ath9k_htc_priv *priv); void ath9k_deinit_leds(struct ath9k_htc_priv *priv); int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, u16 devid); void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug); #ifdef CONFIG_PM int ath9k_htc_resume(struct htc_target *htc_handle); #endif #ifdef CONFIG_ATH9K_HTC_DEBUGFS int ath9k_htc_debug_create_root(void); void ath9k_htc_debug_remove_root(void); int ath9k_htc_init_debug(struct ath_hw *ah); void ath9k_htc_exit_debug(struct ath_hw *ah); #else static inline int ath9k_htc_debug_create_root(void) { return 0; }; static inline void ath9k_htc_debug_remove_root(void) {}; static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; }; static inline void ath9k_htc_exit_debug(struct ath_hw *ah) {}; #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ #endif /* HTC_H */