diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc.h | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h new file mode 100644 index 000000000000..ad556aa8da39 --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -0,0 +1,464 @@ +/* + * 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 <linux/module.h> +#include <linux/usb.h> +#include <linux/firmware.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/leds.h> +#include <net/mac80211.h> + +#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]; + __be32 opmode; + u8 myaddr[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + u32 flags; + u32 flags_ext; + u16 ps_sta; + __be16 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; + __be16 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; + __be32 capflags; + struct ath9k_htc_rate rates; +}; + +struct ath9k_htc_target_stats { + __be32 tx_shortretry; + __be32 tx_longretry; + __be32 tx_xretries; + __be32 ht_txunaggr_xretry; + __be32 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; + u32 skb_dropped; +}; + +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; +}; + +struct htc_beacon_config { + u16 beacon_interval; + u16 listen_interval; + u16 dtim_period; + u16 bmiss_timeout; + u8 dtim_count; +}; + +#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) +#define OP_UNPLUGGED BIT(11) + +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; + + spinlock_t beacon_lock; + + bool tx_queues_stop; + spinlock_t tx_lock; + + struct ieee80211_vif *vif; + struct htc_beacon_config cur_beacon_conf; + 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; + bool ps_idle; + + 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); +void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending); + +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); + +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 */ |