| /* |
| * 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 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; |
| |
| 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 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_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); |
| |
| 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_debug_create_root(void); |
| void ath9k_debug_remove_root(void); |
| int ath9k_init_debug(struct ath_hw *ah); |
| void ath9k_exit_debug(struct ath_hw *ah); |
| #else |
| static inline int ath9k_debug_create_root(void) { return 0; }; |
| static inline void ath9k_debug_remove_root(void) {}; |
| static inline int ath9k_init_debug(struct ath_hw *ah) { return 0; }; |
| static inline void ath9k_exit_debug(struct ath_hw *ah) {}; |
| #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ |
| |
| #endif /* HTC_H */ |