xref: /OK3568_Linux_fs/kernel/drivers/net/wireless/ath/ath5k/base.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*-
2*4882a593Smuzhiyun  * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
3*4882a593Smuzhiyun  * All rights reserved.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Redistribution and use in source and binary forms, with or without
6*4882a593Smuzhiyun  * modification, are permitted provided that the following conditions
7*4882a593Smuzhiyun  * are met:
8*4882a593Smuzhiyun  * 1. Redistributions of source code must retain the above copyright
9*4882a593Smuzhiyun  *    notice, this list of conditions and the following disclaimer,
10*4882a593Smuzhiyun  *    without modification.
11*4882a593Smuzhiyun  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12*4882a593Smuzhiyun  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13*4882a593Smuzhiyun  *    redistribution must be conditioned upon including a substantially
14*4882a593Smuzhiyun  *    similar Disclaimer requirement for further binary redistribution.
15*4882a593Smuzhiyun  * 3. Neither the names of the above-listed copyright holders nor the names
16*4882a593Smuzhiyun  *    of any contributors may be used to endorse or promote products derived
17*4882a593Smuzhiyun  *    from this software without specific prior written permission.
18*4882a593Smuzhiyun  *
19*4882a593Smuzhiyun  * Alternatively, this software may be distributed under the terms of the
20*4882a593Smuzhiyun  * GNU General Public License ("GPL") version 2 as published by the Free
21*4882a593Smuzhiyun  * Software Foundation.
22*4882a593Smuzhiyun  *
23*4882a593Smuzhiyun  * NO WARRANTY
24*4882a593Smuzhiyun  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25*4882a593Smuzhiyun  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26*4882a593Smuzhiyun  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
27*4882a593Smuzhiyun  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
28*4882a593Smuzhiyun  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
29*4882a593Smuzhiyun  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30*4882a593Smuzhiyun  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31*4882a593Smuzhiyun  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
32*4882a593Smuzhiyun  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33*4882a593Smuzhiyun  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
34*4882a593Smuzhiyun  * THE POSSIBILITY OF SUCH DAMAGES.
35*4882a593Smuzhiyun  *
36*4882a593Smuzhiyun  */
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun /*
39*4882a593Smuzhiyun  * Definitions for the Atheros Wireless LAN controller driver.
40*4882a593Smuzhiyun  */
41*4882a593Smuzhiyun #ifndef _DEV_ATH5K_BASE_H
42*4882a593Smuzhiyun #define _DEV_ATH5K_BASE_H
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun struct ieee80211_vif;
45*4882a593Smuzhiyun struct ieee80211_hw;
46*4882a593Smuzhiyun struct ath5k_hw;
47*4882a593Smuzhiyun struct ath5k_txq;
48*4882a593Smuzhiyun struct ieee80211_channel;
49*4882a593Smuzhiyun struct ath_bus_ops;
50*4882a593Smuzhiyun struct ieee80211_tx_control;
51*4882a593Smuzhiyun enum nl80211_iftype;
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun enum ath5k_srev_type {
54*4882a593Smuzhiyun 	AR5K_VERSION_MAC,
55*4882a593Smuzhiyun 	AR5K_VERSION_RAD,
56*4882a593Smuzhiyun };
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun struct ath5k_srev_name {
59*4882a593Smuzhiyun 	const char		*sr_name;
60*4882a593Smuzhiyun 	enum ath5k_srev_type	sr_type;
61*4882a593Smuzhiyun 	u_int			sr_val;
62*4882a593Smuzhiyun };
63*4882a593Smuzhiyun 
64*4882a593Smuzhiyun struct ath5k_buf {
65*4882a593Smuzhiyun 	struct list_head		list;
66*4882a593Smuzhiyun 	struct ath5k_desc		*desc;		/* virtual addr of desc */
67*4882a593Smuzhiyun 	dma_addr_t			daddr;		/* physical addr of desc */
68*4882a593Smuzhiyun 	struct sk_buff			*skb;		/* skbuff for buf */
69*4882a593Smuzhiyun 	dma_addr_t			skbaddr;	/* physical addr of skb data */
70*4882a593Smuzhiyun 	struct ieee80211_tx_rate	rates[4];	/* number of multi-rate stages */
71*4882a593Smuzhiyun };
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun struct ath5k_vif {
74*4882a593Smuzhiyun 	bool			assoc; /* are we associated or not */
75*4882a593Smuzhiyun 	enum nl80211_iftype	opmode;
76*4882a593Smuzhiyun 	int			bslot;
77*4882a593Smuzhiyun 	struct ath5k_buf	*bbuf; /* beacon buffer */
78*4882a593Smuzhiyun };
79*4882a593Smuzhiyun 
80*4882a593Smuzhiyun struct ath5k_vif_iter_data {
81*4882a593Smuzhiyun 	const u8	*hw_macaddr;
82*4882a593Smuzhiyun 	u8		mask[ETH_ALEN];
83*4882a593Smuzhiyun 	u8		active_mac[ETH_ALEN]; /* first active MAC */
84*4882a593Smuzhiyun 	bool		need_set_hw_addr;
85*4882a593Smuzhiyun 	bool		found_active;
86*4882a593Smuzhiyun 	bool		any_assoc;
87*4882a593Smuzhiyun 	enum nl80211_iftype opmode;
88*4882a593Smuzhiyun 	int n_stas;
89*4882a593Smuzhiyun };
90*4882a593Smuzhiyun 
91*4882a593Smuzhiyun void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
92*4882a593Smuzhiyun bool ath5k_any_vif_assoc(struct ath5k_hw *ah);
93*4882a593Smuzhiyun 
94*4882a593Smuzhiyun int ath5k_start(struct ieee80211_hw *hw);
95*4882a593Smuzhiyun void ath5k_stop(struct ieee80211_hw *hw);
96*4882a593Smuzhiyun 
97*4882a593Smuzhiyun void ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf);
98*4882a593Smuzhiyun int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
99*4882a593Smuzhiyun void ath5k_beacon_config(struct ath5k_hw *ah);
100*4882a593Smuzhiyun void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);
101*4882a593Smuzhiyun 
102*4882a593Smuzhiyun void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
103*4882a593Smuzhiyun 					struct ieee80211_vif *vif);
104*4882a593Smuzhiyun int ath5k_chan_set(struct ath5k_hw *ah, struct cfg80211_chan_def *chandef);
105*4882a593Smuzhiyun void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
106*4882a593Smuzhiyun void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
107*4882a593Smuzhiyun void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
108*4882a593Smuzhiyun 		    struct ath5k_txq *txq, struct ieee80211_tx_control *control);
109*4882a593Smuzhiyun 
110*4882a593Smuzhiyun const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
111*4882a593Smuzhiyun 
112*4882a593Smuzhiyun int ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops);
113*4882a593Smuzhiyun void ath5k_deinit_ah(struct ath5k_hw *ah);
114*4882a593Smuzhiyun 
115*4882a593Smuzhiyun /* Check whether BSSID mask is supported */
116*4882a593Smuzhiyun #define ath5k_hw_hasbssidmask(_ah) (ah->ah_version == AR5K_AR5212)
117*4882a593Smuzhiyun 
118*4882a593Smuzhiyun /* Check whether virtual EOL is supported */
119*4882a593Smuzhiyun #define ath5k_hw_hasveol(_ah) (ah->ah_version != AR5K_AR5210)
120*4882a593Smuzhiyun 
121*4882a593Smuzhiyun #endif	/* _DEV_ATH5K_BASE_H */
122