aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath9k/ani.h
blob: 7315761f6d74483917302b32d37d8538a0bfe4b0 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/*
 * Copyright (c) 2008 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef ANI_H
#define ANI_H

#define HAL_PROCESS_ANI           0x00000001
#define ATH9K_RSSI_EP_MULTIPLIER  (1<<7)

#define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI))

#define HAL_EP_RND(x, mul)						\
	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
#define BEACON_RSSI(ahp)					\
	HAL_EP_RND(ahp->stats.ast_nodestats.ns_avgbrssi,	\
		   ATH9K_RSSI_EP_MULTIPLIER)

#define ATH9K_ANI_OFDM_TRIG_HIGH          500
#define ATH9K_ANI_OFDM_TRIG_LOW           200
#define ATH9K_ANI_CCK_TRIG_HIGH           200
#define ATH9K_ANI_CCK_TRIG_LOW            100
#define ATH9K_ANI_NOISE_IMMUNE_LVL        4
#define ATH9K_ANI_USE_OFDM_WEAK_SIG       true
#define ATH9K_ANI_CCK_WEAK_SIG_THR        false
#define ATH9K_ANI_SPUR_IMMUNE_LVL         7
#define ATH9K_ANI_FIRSTEP_LVL             0
#define ATH9K_ANI_RSSI_THR_HIGH           40
#define ATH9K_ANI_RSSI_THR_LOW            7
#define ATH9K_ANI_PERIOD                  100

#define HAL_NOISE_IMMUNE_MAX              4
#define HAL_SPUR_IMMUNE_MAX               7
#define HAL_FIRST_STEP_MAX                2

enum ath9k_ani_cmd {
	ATH9K_ANI_PRESENT = 0x1,
	ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
	ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
	ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
	ATH9K_ANI_MODE = 0x40,
	ATH9K_ANI_PHYERR_RESET = 0x80,
	ATH9K_ANI_ALL = 0xff
};

struct ath9k_mib_stats {
	u32 ackrcv_bad;
	u32 rts_bad;
	u32 rts_good;
	u32 fcs_bad;
	u32 beacons;
};

struct ath9k_node_stats {
	u32 ns_avgbrssi;
	u32 ns_avgrssi;
	u32 ns_avgtxrssi;
	u32 ns_avgtxrate;
};

struct ar5416AniState {
	struct ath9k_channel *c;
	u8 noiseImmunityLevel;
	u8 spurImmunityLevel;
	u8 firstepLevel;
	u8 ofdmWeakSigDetectOff;
	u8 cckWeakSigThreshold;
	u32 listenTime;
	u32 ofdmTrigHigh;
	u32 ofdmTrigLow;
	int32_t cckTrigHigh;
	int32_t cckTrigLow;
	int32_t rssiThrLow;
	int32_t rssiThrHigh;
	u32 noiseFloor;
	u32 txFrameCount;
	u32 rxFrameCount;
	u32 cycleCount;
	u32 ofdmPhyErrCount;
	u32 cckPhyErrCount;
	u32 ofdmPhyErrBase;
	u32 cckPhyErrBase;
	int16_t pktRssi[2];
	int16_t ofdmErrRssi[2];
	int16_t cckErrRssi[2];
};

struct ar5416Stats {
	u32 ast_ani_niup;
	u32 ast_ani_nidown;
	u32 ast_ani_spurup;
	u32 ast_ani_spurdown;
	u32 ast_ani_ofdmon;
	u32 ast_ani_ofdmoff;
	u32 ast_ani_cckhigh;
	u32 ast_ani_ccklow;
	u32 ast_ani_stepup;
	u32 ast_ani_stepdown;
	u32 ast_ani_ofdmerrs;
	u32 ast_ani_cckerrs;
	u32 ast_ani_reset;
	u32 ast_ani_lzero;
	u32 ast_ani_lneg;
	struct ath9k_mib_stats ast_mibstats;
	struct ath9k_node_stats ast_nodestats;
};
#define ah_mibStats stats.ast_mibstats

void ath9k_ani_reset(struct ath_hw *ah);
void ath9k_hw_ani_monitor(struct ath_hw *ah,
			  const struct ath9k_node_stats *stats,
			  struct ath9k_channel *chan);
bool ath9k_hw_phycounters(struct ath_hw *ah);
void ath9k_enable_mib_counters(struct ath_hw *ah);
void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt,
				  u32 *rxf_pcnt, u32 *txf_pcnt);
void ath9k_hw_procmibevent(struct ath_hw *ah,
			   const struct ath9k_node_stats *stats);
void ath9k_hw_ani_setup(struct ath_hw *ah);
void ath9k_hw_ani_attach(struct ath_hw *ah);
void ath9k_hw_ani_detach(struct ath_hw *ah);

#endif /* ANI_H */