diff options
Diffstat (limited to 'drivers/net/wireless/ath/ar9170/ar9170.h')
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/ar9170.h | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h new file mode 100644 index 00000000000..bb97981fb24 --- /dev/null +++ b/drivers/net/wireless/ath/ar9170/ar9170.h @@ -0,0 +1,257 @@ +/* + * Atheros AR9170 driver + * + * Driver specific definitions + * + * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, see + * http://www.gnu.org/licenses/. + * + * This file incorporates work covered by the following copyright and + * permission notice: + * Copyright (c) 2007-2008 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 __AR9170_H +#define __AR9170_H + +#include <linux/completion.h> +#include <linux/spinlock.h> +#include <net/cfg80211.h> +#include <net/mac80211.h> +#ifdef CONFIG_AR9170_LEDS +#include <linux/leds.h> +#endif /* CONFIG_AR9170_LEDS */ +#include "eeprom.h" +#include "hw.h" + +#include "../regd.h" + +#define PAYLOAD_MAX (AR9170_MAX_CMD_LEN/4 - 1) + +enum ar9170_bw { + AR9170_BW_20, + AR9170_BW_40_BELOW, + AR9170_BW_40_ABOVE, + + __AR9170_NUM_BW, +}; + +static inline enum ar9170_bw nl80211_to_ar9170(enum nl80211_channel_type type) +{ + switch (type) { + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: + return AR9170_BW_20; + case NL80211_CHAN_HT40MINUS: + return AR9170_BW_40_BELOW; + case NL80211_CHAN_HT40PLUS: + return AR9170_BW_40_ABOVE; + default: + BUG(); + } +} + +enum ar9170_rf_init_mode { + AR9170_RFI_NONE, + AR9170_RFI_WARM, + AR9170_RFI_COLD, +}; + +#define AR9170_MAX_RX_BUFFER_SIZE 8192 + +#ifdef CONFIG_AR9170_LEDS +struct ar9170; + +struct ar9170_led { + struct ar9170 *ar; + struct led_classdev l; + char name[32]; + unsigned int toggled; + bool last_state; + bool registered; +}; + +#endif /* CONFIG_AR9170_LEDS */ + +enum ar9170_device_state { + AR9170_UNKNOWN_STATE, + AR9170_STOPPED, + AR9170_IDLE, + AR9170_STARTED, +}; + +struct ar9170_rxstream_mpdu_merge { + struct ar9170_rx_head plcp; + bool has_plcp; +}; + +#define AR9170_QUEUE_TIMEOUT 64 +#define AR9170_TX_TIMEOUT 8 +#define AR9170_JANITOR_DELAY 128 +#define AR9170_TX_INVALID_RATE 0xffffffff + +struct ar9170 { + struct ieee80211_hw *hw; + struct mutex mutex; + enum ar9170_device_state state; + unsigned long bad_hw_nagger; + + int (*open)(struct ar9170 *); + void (*stop)(struct ar9170 *); + int (*tx)(struct ar9170 *, struct sk_buff *); + int (*exec_cmd)(struct ar9170 *, enum ar9170_cmd, u32 , + void *, u32 , void *); + void (*callback_cmd)(struct ar9170 *, u32 , void *); + int (*flush)(struct ar9170 *); + + /* interface mode settings */ + struct ieee80211_vif *vif; + u8 mac_addr[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + + /* beaconing */ + struct sk_buff *beacon; + struct work_struct beacon_work; + + /* cryptographic engine */ + u64 usedkeys; + bool rx_software_decryption; + bool disable_offload; + + /* filter settings */ + struct work_struct filter_config_work; + u64 cur_mc_hash, want_mc_hash; + u32 cur_filter, want_filter; + unsigned long filter_changed; + unsigned int filter_state; + bool sniffer_enabled; + + /* PHY */ + struct ieee80211_channel *channel; + int noise[4]; + + /* power calibration data */ + u8 power_5G_leg[4]; + u8 power_2G_cck[4]; + u8 power_2G_ofdm[4]; + u8 power_5G_ht20[8]; + u8 power_5G_ht40[8]; + u8 power_2G_ht20[8]; + u8 power_2G_ht40[8]; + +#ifdef CONFIG_AR9170_LEDS + struct delayed_work led_work; + struct ar9170_led leds[AR9170_NUM_LEDS]; +#endif /* CONFIG_AR9170_LEDS */ + + /* qos queue settings */ + spinlock_t tx_stats_lock; + struct ieee80211_tx_queue_stats tx_stats[5]; + struct ieee80211_tx_queue_params edcf[5]; + + spinlock_t cmdlock; + __le32 cmdbuf[PAYLOAD_MAX + 1]; + + /* MAC statistics */ + struct ieee80211_low_level_stats stats; + + /* EEPROM */ + struct ar9170_eeprom eeprom; + struct ath_regulatory regulatory; + + /* tx queues - as seen by hw - */ + struct sk_buff_head tx_pending[__AR9170_NUM_TXQ]; + struct sk_buff_head tx_status[__AR9170_NUM_TXQ]; + struct delayed_work tx_janitor; + + /* rxstream mpdu merge */ + struct ar9170_rxstream_mpdu_merge rx_mpdu; + struct sk_buff *rx_failover; + int rx_failover_missing; +}; + +struct ar9170_sta_info { +}; + +#define AR9170_TX_FLAG_WAIT_FOR_ACK BIT(0) +#define AR9170_TX_FLAG_NO_ACK BIT(1) +#define AR9170_TX_FLAG_BLOCK_ACK BIT(2) + +struct ar9170_tx_info { + unsigned long timeout; + unsigned int flags; +}; + +#define IS_STARTED(a) (((struct ar9170 *)a)->state >= AR9170_STARTED) +#define IS_ACCEPTING_CMD(a) (((struct ar9170 *)a)->state >= AR9170_IDLE) + +#define AR9170_FILTER_CHANGED_MODE BIT(0) +#define AR9170_FILTER_CHANGED_MULTICAST BIT(1) +#define AR9170_FILTER_CHANGED_FRAMEFILTER BIT(2) + +/* exported interface */ +void *ar9170_alloc(size_t priv_size); +int ar9170_register(struct ar9170 *ar, struct device *pdev); +void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb); +void ar9170_unregister(struct ar9170 *ar); +void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb); +void ar9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len); +int ar9170_nag_limiter(struct ar9170 *ar); + +/* MAC */ +int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb); +int ar9170_init_mac(struct ar9170 *ar); +int ar9170_set_qos(struct ar9170 *ar); +int ar9170_update_multicast(struct ar9170 *ar); +int ar9170_update_frame_filter(struct ar9170 *ar); +int ar9170_set_operating_mode(struct ar9170 *ar); +int ar9170_set_beacon_timers(struct ar9170 *ar); +int ar9170_set_dyn_sifs_ack(struct ar9170 *ar); +int ar9170_set_slot_time(struct ar9170 *ar); +int ar9170_set_basic_rates(struct ar9170 *ar); +int ar9170_set_hwretry_limit(struct ar9170 *ar, u32 max_retry); +int ar9170_update_beacon(struct ar9170 *ar); +void ar9170_new_beacon(struct work_struct *work); +int ar9170_upload_key(struct ar9170 *ar, u8 id, const u8 *mac, u8 ktype, + u8 keyidx, u8 *keydata, int keylen); +int ar9170_disable_key(struct ar9170 *ar, u8 id); + +/* LEDs */ +#ifdef CONFIG_AR9170_LEDS +int ar9170_register_leds(struct ar9170 *ar); +void ar9170_unregister_leds(struct ar9170 *ar); +#endif /* CONFIG_AR9170_LEDS */ +int ar9170_init_leds(struct ar9170 *ar); +int ar9170_set_leds_state(struct ar9170 *ar, u32 led_state); + +/* PHY / RF */ +int ar9170_init_phy(struct ar9170 *ar, enum ieee80211_band band); +int ar9170_init_rf(struct ar9170 *ar); +int ar9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, + enum ar9170_rf_init_mode rfi, enum ar9170_bw bw); + +#endif /* __AR9170_H */ |