/* * Atheros CARL9170 driver * * Driver specific definitions * * Copyright 2008, Johannes Berg <[email protected]> * Copyright 2009, 2010, Christian Lamparter <[email protected]> * * 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 __CARL9170_H #define __CARL9170_H #include <linux/kernel.h> #include <linux/firmware.h> #include <linux/completion.h> #include <linux/spinlock.h> #include <linux/hw_random.h> #include <net/cfg80211.h> #include <net/mac80211.h> #include <linux/usb.h> #ifdef CONFIG_CARL9170_LEDS #include <linux/leds.h> #endif /* CONFIG_CARL9170_LEDS */ #ifdef CONFIG_CARL9170_WPC #include <linux/input.h> #endif /* CONFIG_CARL9170_WPC */ #include "eeprom.h" #include "wlan.h" #include "hw.h" #include "fwdesc.h" #include "fwcmd.h" #include "../regd.h" #ifdef CONFIG_CARL9170_DEBUGFS #include "debug.h" #endif /* CONFIG_CARL9170_DEBUGFS */ #define CARL9170FW_NAME … #define PAYLOAD_MAX … static inline u8 ar9170_qmap(u8 idx) { … } #define CARL9170_MAX_RX_BUFFER_SIZE … enum carl9170_device_state { … }; #define WME_BA_BMP_SIZE … #define CARL9170_TX_USER_RATE_TRIES … #define TID_TO_WME_AC(_tid) … #define SEQ_DIFF(_start, _seq) … #define SEQ_PREV(_seq) … #define SEQ_NEXT(_seq) … #define BAW_WITHIN(_start, _bawsz, _seqno) … enum carl9170_tid_state { … }; #define CARL9170_BAW_BITS … #define CARL9170_BAW_SIZE … #define CARL9170_BAW_LEN … struct carl9170_sta_tid { … }; #define CARL9170_QUEUE_TIMEOUT … #define CARL9170_BUMP_QUEUE … #define CARL9170_TX_TIMEOUT … #define CARL9170_JANITOR_DELAY … #define CARL9170_QUEUE_STUCK_TIMEOUT … #define CARL9170_STAT_WORK … #define CARL9170_NUM_TX_AGG_MAX … /* * Tradeoff between stability/latency and speed. * * AR9170_TXQ_DEPTH is devised by dividing the amount of available * tx buffers with the size of a full ethernet frame + overhead. * * Naturally: The higher the limit, the faster the device CAN send. * However, even a slight over-commitment at the wrong time and the * hardware is doomed to send all already-queued frames at suboptimal * rates. This in turn leads to an enormous amount of unsuccessful * retries => Latency goes up, whereas the throughput goes down. CRASH! */ #define CARL9170_NUM_TX_LIMIT_HARD … #define CARL9170_NUM_TX_LIMIT_SOFT … struct carl9170_tx_queue_stats { … }; struct carl9170_vif { … }; struct carl9170_vif_info { … }; #define AR9170_NUM_RX_URBS … #define AR9170_NUM_RX_URBS_MUL … #define AR9170_NUM_TX_URBS … #define AR9170_NUM_RX_URBS_POOL … enum carl9170_device_features { … }; #ifdef CONFIG_CARL9170_LEDS struct ar9170; struct carl9170_led { … }; #endif /* CONFIG_CARL9170_LEDS */ enum carl9170_restart_reasons { … }; enum carl9170_erp_modes { … }; struct ar9170 { … }; enum carl9170_ps_off_override_reasons { … }; struct carl9170_bar_list_entry { … }; struct carl9170_ba_stats { … }; struct carl9170_sta_info { … }; struct carl9170_tx_info { … }; #define CHK_DEV_STATE(a, s) … #define IS_INITIALIZED(a) … #define IS_ACCEPTING_CMD(a) … #define IS_STARTED(a) … static inline void __carl9170_set_state(struct ar9170 *ar, enum carl9170_device_state newstate) { … } static inline void carl9170_set_state(struct ar9170 *ar, enum carl9170_device_state newstate) { … } static inline void carl9170_set_state_when(struct ar9170 *ar, enum carl9170_device_state min, enum carl9170_device_state newstate) { … } /* exported interface */ void *carl9170_alloc(size_t priv_size); int carl9170_register(struct ar9170 *ar); void carl9170_unregister(struct ar9170 *ar); void carl9170_free(struct ar9170 *ar); void carl9170_restart(struct ar9170 *ar, const enum carl9170_restart_reasons r); void carl9170_ps_check(struct ar9170 *ar); /* USB back-end */ int carl9170_usb_open(struct ar9170 *ar); void carl9170_usb_stop(struct ar9170 *ar); void carl9170_usb_tx(struct ar9170 *ar, struct sk_buff *skb); void carl9170_usb_handle_tx_err(struct ar9170 *ar); int carl9170_exec_cmd(struct ar9170 *ar, const enum carl9170_cmd_oids, u32 plen, void *payload, u32 rlen, void *resp); int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd, const bool free_buf); int carl9170_usb_restart(struct ar9170 *ar); void carl9170_usb_reset(struct ar9170 *ar); /* MAC */ int carl9170_init_mac(struct ar9170 *ar); int carl9170_set_qos(struct ar9170 *ar); int carl9170_update_multicast(struct ar9170 *ar, const u64 mc_hast); int carl9170_mod_virtual_mac(struct ar9170 *ar, const unsigned int id, const u8 *mac); int carl9170_set_operating_mode(struct ar9170 *ar); int carl9170_set_beacon_timers(struct ar9170 *ar); int carl9170_set_dyn_sifs_ack(struct ar9170 *ar); int carl9170_set_rts_cts_rate(struct ar9170 *ar); int carl9170_set_ampdu_settings(struct ar9170 *ar); int carl9170_set_slot_time(struct ar9170 *ar); int carl9170_set_mac_rates(struct ar9170 *ar); int carl9170_set_hwretry_limit(struct ar9170 *ar, const u32 max_retry); int carl9170_upload_key(struct ar9170 *ar, const u8 id, const u8 *mac, const u8 ktype, const u8 keyidx, const u8 *keydata, const int keylen); int carl9170_disable_key(struct ar9170 *ar, const u8 id); int carl9170_set_mac_tpc(struct ar9170 *ar, struct ieee80211_channel *channel); /* RX */ void carl9170_rx(struct ar9170 *ar, void *buf, unsigned int len); void carl9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len); /* TX */ void carl9170_op_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb); void carl9170_tx_janitor(struct work_struct *work); void carl9170_tx_process_status(struct ar9170 *ar, const struct carl9170_rsp *cmd); void carl9170_tx_status(struct ar9170 *ar, struct sk_buff *skb, const bool success); void carl9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb); void carl9170_tx_drop(struct ar9170 *ar, struct sk_buff *skb); void carl9170_tx_scheduler(struct ar9170 *ar); void carl9170_tx_get_skb(struct sk_buff *skb); int carl9170_tx_put_skb(struct sk_buff *skb); int carl9170_update_beacon(struct ar9170 *ar, const bool submit); /* LEDs */ #ifdef CONFIG_CARL9170_LEDS int carl9170_led_register(struct ar9170 *ar); void carl9170_led_unregister(struct ar9170 *ar); #endif /* CONFIG_CARL9170_LEDS */ int carl9170_led_init(struct ar9170 *ar); int carl9170_led_set_state(struct ar9170 *ar, const u32 led_state); /* PHY / RF */ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, enum nl80211_channel_type bw); int carl9170_get_noisefloor(struct ar9170 *ar); /* FW */ int carl9170_parse_firmware(struct ar9170 *ar); extern struct ieee80211_rate __carl9170_ratetable[]; extern int modparam_noht; static inline struct ar9170 *carl9170_get_priv(struct carl9170_vif *carl_vif) { … } static inline struct ieee80211_hdr *carl9170_get_hdr(struct sk_buff *skb) { … } static inline u16 get_seq_h(struct ieee80211_hdr *hdr) { … } static inline u16 carl9170_get_seq(struct sk_buff *skb) { … } static inline u16 carl9170_get_tid(struct sk_buff *skb) { … } static inline struct ieee80211_vif * carl9170_get_vif(struct carl9170_vif_info *priv) { … } /* Protected by ar->mutex or RCU */ static inline struct ieee80211_vif *carl9170_get_main_vif(struct ar9170 *ar) { … } static inline bool is_main_vif(struct ar9170 *ar, struct ieee80211_vif *vif) { … } #endif /* __CARL9170_H */
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