2 * Atheros AR9170 driver
4 * Driver specific definitions
6 * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, see
20 * http://www.gnu.org/licenses/.
22 * This file incorporates work covered by the following copyright and
24 * Copyright (c) 2007-2008 Atheros Communications, Inc.
26 * Permission to use, copy, modify, and/or distribute this software for any
27 * purpose with or without fee is hereby granted, provided that the above
28 * copyright notice and this permission notice appear in all copies.
30 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
31 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
32 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
33 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
34 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
35 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
36 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
41 #include <linux/completion.h>
42 #include <linux/spinlock.h>
43 #include <net/cfg80211.h>
44 #include <net/mac80211.h>
45 #ifdef CONFIG_AR9170_LEDS
46 #include <linux/leds.h>
47 #endif /* CONFIG_AR9170_LEDS */
53 #define PAYLOAD_MAX (AR9170_MAX_CMD_LEN/4 - 1)
63 static inline enum ar9170_bw
nl80211_to_ar9170(enum nl80211_channel_type type
)
66 case NL80211_CHAN_NO_HT
:
67 case NL80211_CHAN_HT20
:
69 case NL80211_CHAN_HT40MINUS
:
70 return AR9170_BW_40_BELOW
;
71 case NL80211_CHAN_HT40PLUS
:
72 return AR9170_BW_40_ABOVE
;
78 enum ar9170_rf_init_mode
{
84 #define AR9170_MAX_RX_BUFFER_SIZE 8192
86 #ifdef CONFIG_AR9170_LEDS
91 struct led_classdev l
;
98 #endif /* CONFIG_AR9170_LEDS */
100 enum ar9170_device_state
{
101 AR9170_UNKNOWN_STATE
,
107 struct ar9170_rxstream_mpdu_merge
{
108 struct ar9170_rx_head plcp
;
113 struct ieee80211_hw
*hw
;
115 enum ar9170_device_state state
;
116 unsigned long bad_hw_nagger
;
118 int (*open
)(struct ar9170
*);
119 void (*stop
)(struct ar9170
*);
120 int (*tx
)(struct ar9170
*, struct sk_buff
*, bool, unsigned int);
121 int (*exec_cmd
)(struct ar9170
*, enum ar9170_cmd
, u32
,
122 void *, u32
, void *);
123 void (*callback_cmd
)(struct ar9170
*, u32
, void *);
125 /* interface mode settings */
126 struct ieee80211_vif
*vif
;
127 u8 mac_addr
[ETH_ALEN
];
131 struct sk_buff
*beacon
;
132 struct work_struct beacon_work
;
134 /* cryptographic engine */
136 bool rx_software_decryption
;
137 bool disable_offload
;
139 /* filter settings */
140 struct work_struct filter_config_work
;
141 u64 cur_mc_hash
, want_mc_hash
;
142 u32 cur_filter
, want_filter
;
143 unsigned long filter_changed
;
144 unsigned int filter_state
;
145 bool sniffer_enabled
;
148 struct ieee80211_channel
*channel
;
151 /* power calibration data */
160 #ifdef CONFIG_AR9170_LEDS
161 struct delayed_work led_work
;
162 struct ar9170_led leds
[AR9170_NUM_LEDS
];
163 #endif /* CONFIG_AR9170_LEDS */
165 /* qos queue settings */
166 spinlock_t tx_stats_lock
;
167 struct ieee80211_tx_queue_stats tx_stats
[5];
168 struct ieee80211_tx_queue_params edcf
[5];
171 __le32 cmdbuf
[PAYLOAD_MAX
+ 1];
174 struct ieee80211_low_level_stats stats
;
177 struct ar9170_eeprom eeprom
;
178 struct ath_regulatory regulatory
;
180 /* global tx status for unregistered Stations. */
181 struct sk_buff_head global_tx_status
;
182 struct sk_buff_head global_tx_status_waste
;
183 struct delayed_work tx_status_janitor
;
185 /* rxstream mpdu merge */
186 struct ar9170_rxstream_mpdu_merge rx_mpdu
;
187 struct sk_buff
*rx_failover
;
188 int rx_failover_missing
;
191 struct ar9170_sta_info
{
192 struct sk_buff_head tx_status
[__AR9170_NUM_TXQ
];
195 #define IS_STARTED(a) (a->state >= AR9170_STARTED)
196 #define IS_ACCEPTING_CMD(a) (a->state >= AR9170_IDLE)
198 #define AR9170_FILTER_CHANGED_MODE BIT(0)
199 #define AR9170_FILTER_CHANGED_MULTICAST BIT(1)
200 #define AR9170_FILTER_CHANGED_FRAMEFILTER BIT(2)
202 /* exported interface */
203 void *ar9170_alloc(size_t priv_size
);
204 int ar9170_register(struct ar9170
*ar
, struct device
*pdev
);
205 void ar9170_rx(struct ar9170
*ar
, struct sk_buff
*skb
);
206 void ar9170_unregister(struct ar9170
*ar
);
207 void ar9170_handle_tx_status(struct ar9170
*ar
, struct sk_buff
*skb
,
208 bool update_statistics
, u16 tx_status
);
209 void ar9170_handle_command_response(struct ar9170
*ar
, void *buf
, u32 len
);
212 int ar9170_op_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
);
213 int ar9170_init_mac(struct ar9170
*ar
);
214 int ar9170_set_qos(struct ar9170
*ar
);
215 int ar9170_update_multicast(struct ar9170
*ar
);
216 int ar9170_update_frame_filter(struct ar9170
*ar
);
217 int ar9170_set_operating_mode(struct ar9170
*ar
);
218 int ar9170_set_beacon_timers(struct ar9170
*ar
);
219 int ar9170_set_dyn_sifs_ack(struct ar9170
*ar
);
220 int ar9170_set_slot_time(struct ar9170
*ar
);
221 int ar9170_set_basic_rates(struct ar9170
*ar
);
222 int ar9170_set_hwretry_limit(struct ar9170
*ar
, u32 max_retry
);
223 int ar9170_update_beacon(struct ar9170
*ar
);
224 void ar9170_new_beacon(struct work_struct
*work
);
225 int ar9170_upload_key(struct ar9170
*ar
, u8 id
, const u8
*mac
, u8 ktype
,
226 u8 keyidx
, u8
*keydata
, int keylen
);
227 int ar9170_disable_key(struct ar9170
*ar
, u8 id
);
230 #ifdef CONFIG_AR9170_LEDS
231 int ar9170_register_leds(struct ar9170
*ar
);
232 void ar9170_unregister_leds(struct ar9170
*ar
);
233 #endif /* CONFIG_AR9170_LEDS */
234 int ar9170_init_leds(struct ar9170
*ar
);
235 int ar9170_set_leds_state(struct ar9170
*ar
, u32 led_state
);
238 int ar9170_init_phy(struct ar9170
*ar
, enum ieee80211_band band
);
239 int ar9170_init_rf(struct ar9170
*ar
);
240 int ar9170_set_channel(struct ar9170
*ar
, struct ieee80211_channel
*channel
,
241 enum ar9170_rf_init_mode rfi
, enum ar9170_bw bw
);
243 #endif /* __AR9170_H */