tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (c) 2008-2009 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef ATH_H
18#define ATH_H
19
20#include <linux/skbuff.h>
21#include <linux/if_ether.h>
22#include <net/mac80211.h>
23
24/*
25 * The key cache is used for h/w cipher state and also for
26 * tracking station state such as the current tx antenna.
27 * We also setup a mapping table between key cache slot indices
28 * and station state to short-circuit node lookups on rx.
29 * Different parts have different size key caches. We handle
30 * up to ATH_KEYMAX entries (could dynamically allocate state).
31 */
32#define ATH_KEYMAX 128 /* max key cache size we handle */
33
34static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
35
36struct ath_ani {
37 bool caldone;
38 int16_t noise_floor;
39 unsigned int longcal_timer;
40 unsigned int shortcal_timer;
41 unsigned int resetcal_timer;
42 unsigned int checkani_timer;
43 struct timer_list timer;
44};
45
46enum ath_device_state {
47 ATH_HW_UNAVAILABLE,
48 ATH_HW_INITIALIZED,
49};
50
51struct reg_dmn_pair_mapping {
52 u16 regDmnEnum;
53 u16 reg_5ghz_ctl;
54 u16 reg_2ghz_ctl;
55};
56
57struct ath_regulatory {
58 char alpha2[2];
59 u16 country_code;
60 u16 max_power_level;
61 u32 tp_scale;
62 u16 current_rd;
63 u16 current_rd_ext;
64 int16_t power_limit;
65 struct reg_dmn_pair_mapping *regpair;
66};
67
68struct ath_ops {
69 unsigned int (*read)(void *, u32 reg_offset);
70 void (*write)(void *, u32 val, u32 reg_offset);
71};
72
73struct ath_common;
74
75struct ath_bus_ops {
76 void (*read_cachesize)(struct ath_common *common, int *csz);
77 bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
78 void (*bt_coex_prep)(struct ath_common *common);
79};
80
81struct ath_common {
82 void *ah;
83 void *priv;
84 struct ieee80211_hw *hw;
85 int debug_mask;
86 enum ath_device_state state;
87
88 struct ath_ani ani;
89
90 u16 cachelsz;
91 u16 curaid;
92 u8 macaddr[ETH_ALEN];
93 u8 curbssid[ETH_ALEN];
94 u8 bssidmask[ETH_ALEN];
95
96 u8 tx_chainmask;
97 u8 rx_chainmask;
98
99 u32 rx_bufsize;
100
101 u32 keymax;
102 DECLARE_BITMAP(keymap, ATH_KEYMAX);
103 u8 splitmic;
104
105 struct ath_regulatory regulatory;
106 const struct ath_ops *ops;
107 const struct ath_bus_ops *bus_ops;
108};
109
110struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
111 u32 len,
112 gfp_t gfp_mask);
113
114void ath_hw_setbssidmask(struct ath_common *common);
115
116#endif /* ATH_H */