xref: /linux/drivers/net/wireless/ath/ath5k/base.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
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 enum nl80211_iftype;
51 
52 enum ath5k_srev_type {
53 	AR5K_VERSION_MAC,
54 	AR5K_VERSION_RAD,
55 };
56 
57 struct ath5k_srev_name {
58 	const char		*sr_name;
59 	enum ath5k_srev_type	sr_type;
60 	u_int			sr_val;
61 };
62 
63 struct ath5k_buf {
64 	struct list_head	list;
65 	struct ath5k_desc	*desc;	/* virtual addr of desc */
66 	dma_addr_t		daddr;	/* physical addr of desc */
67 	struct sk_buff		*skb;	/* skbuff for buf */
68 	dma_addr_t		skbaddr;/* physical addr of skb data */
69 };
70 
71 struct ath5k_vif {
72 	bool			assoc; /* are we associated or not */
73 	enum nl80211_iftype	opmode;
74 	int			bslot;
75 	struct ath5k_buf	*bbuf; /* beacon buffer */
76 };
77 
78 struct ath5k_vif_iter_data {
79 	const u8	*hw_macaddr;
80 	u8		mask[ETH_ALEN];
81 	u8		active_mac[ETH_ALEN]; /* first active MAC */
82 	bool		need_set_hw_addr;
83 	bool		found_active;
84 	bool		any_assoc;
85 	enum nl80211_iftype opmode;
86 	int n_stas;
87 };
88 
89 void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
90 bool ath5k_any_vif_assoc(struct ath5k_hw *ah);
91 
92 int ath5k_start(struct ieee80211_hw *hw);
93 void ath5k_stop(struct ieee80211_hw *hw);
94 
95 void ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf);
96 int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
97 void ath5k_beacon_config(struct ath5k_hw *ah);
98 void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);
99 
100 void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
101 					struct ieee80211_vif *vif);
102 int ath5k_chan_set(struct ath5k_hw *ah, struct ieee80211_channel *chan);
103 void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
104 void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
105 void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
106 		    struct ath5k_txq *txq);
107 
108 const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
109 
110 int ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops);
111 void ath5k_deinit_ah(struct ath5k_hw *ah);
112 
113 /* Check whether BSSID mask is supported */
114 #define ath5k_hw_hasbssidmask(_ah) (ah->ah_version == AR5K_AR5212)
115 
116 /* Check whether virtual EOL is supported */
117 #define ath5k_hw_hasveol(_ah) (ah->ah_version != AR5K_AR5210)
118 
119 #endif	/* _DEV_ATH5K_BASE_H */
120