1 /*-
2 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 * redistribution must be conditioned upon including a substantially
14 * similar Disclaimer requirement for further binary redistribution.
15 * 3. Neither the names of the above-listed copyright holders nor the names
16 * of any contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * Alternatively, this software may be distributed under the terms of the
20 * GNU General Public License ("GPL") version 2 as published by the Free
21 * Software Foundation.
22 *
23 * NO WARRANTY
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
28 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
29 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
32 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
34 * THE POSSIBILITY OF SUCH DAMAGES.
35 *
36 */
37
38 /*
39 * Definitions for the Atheros Wireless LAN controller driver.
40 */
41 #ifndef _DEV_ATH5K_BASE_H
42 #define _DEV_ATH5K_BASE_H
43
44 struct ieee80211_vif;
45 struct ieee80211_hw;
46 struct ath5k_hw;
47 struct ath5k_txq;
48 struct ieee80211_channel;
49 struct ath_bus_ops;
50 struct ieee80211_tx_control;
51 enum nl80211_iftype;
52
53 enum ath5k_srev_type {
54 AR5K_VERSION_MAC,
55 AR5K_VERSION_RAD,
56 };
57
58 struct ath5k_srev_name {
59 const char *sr_name;
60 enum ath5k_srev_type sr_type;
61 u_int sr_val;
62 };
63
64 struct ath5k_buf {
65 struct list_head list;
66 struct ath5k_desc *desc; /* virtual addr of desc */
67 dma_addr_t daddr; /* physical addr of desc */
68 struct sk_buff *skb; /* skbuff for buf */
69 dma_addr_t skbaddr; /* physical addr of skb data */
70 struct ieee80211_tx_rate rates[4]; /* number of multi-rate stages */
71 };
72
73 struct ath5k_vif {
74 bool assoc; /* are we associated or not */
75 enum nl80211_iftype opmode;
76 int bslot;
77 struct ath5k_buf *bbuf; /* beacon buffer */
78 };
79
80 struct ath5k_vif_iter_data {
81 const u8 *hw_macaddr;
82 u8 mask[ETH_ALEN];
83 u8 active_mac[ETH_ALEN]; /* first active MAC */
84 bool need_set_hw_addr;
85 bool found_active;
86 bool any_assoc;
87 enum nl80211_iftype opmode;
88 int n_stas;
89 };
90
91 void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
92 bool ath5k_any_vif_assoc(struct ath5k_hw *ah);
93
94 int ath5k_start(struct ieee80211_hw *hw);
95 void ath5k_stop(struct ieee80211_hw *hw);
96
97 void ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf);
98 int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
99 void ath5k_beacon_config(struct ath5k_hw *ah);
100 void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);
101
102 void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
103 struct ieee80211_vif *vif);
104 int ath5k_chan_set(struct ath5k_hw *ah, struct cfg80211_chan_def *chandef);
105 void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
106 void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
107 void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
108 struct ath5k_txq *txq, struct ieee80211_tx_control *control);
109
110 const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
111
112 int ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops);
113 void ath5k_deinit_ah(struct ath5k_hw *ah);
114
115 /* Check whether BSSID mask is supported */
116 #define ath5k_hw_hasbssidmask(_ah) (ah->ah_version == AR5K_AR5212)
117
118 /* Check whether virtual EOL is supported */
119 #define ath5k_hw_hasveol(_ah) (ah->ah_version != AR5K_AR5210)
120
121 #endif /* _DEV_ATH5K_BASE_H */