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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/*
* Copyright (c) 2008-2009 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 DEBUG_H
#define DEBUG_H
#include "hw.h"
#include "rc.h"
struct ath_txq;
struct ath_buf;
#ifdef CONFIG_ATH9K_DEBUGFS
#define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
#else
#define TX_STAT_INC(q, c) do { } while (0)
#endif
#ifdef CONFIG_ATH9K_DEBUGFS
/**
* struct ath_interrupt_stats - Contains statistics about interrupts
* @total: Total no. of interrupts generated so far
* @rxok: RX with no errors
* @rxlp: RX with low priority RX
* @rxhp: RX with high priority, uapsd only
* @rxeol: RX with no more RXDESC available
* @rxorn: RX FIFO overrun
* @txok: TX completed at the requested rate
* @txurn: TX FIFO underrun
* @mib: MIB regs reaching its threshold
* @rxphyerr: RX with phy errors
* @rx_keycache_miss: RX with key cache misses
* @swba: Software Beacon Alert
* @bmiss: Beacon Miss
* @bnr: Beacon Not Ready
* @cst: Carrier Sense TImeout
* @gtt: Global TX Timeout
* @tim: RX beacon TIM occurrence
* @cabend: RX End of CAB traffic
* @dtimsync: DTIM sync lossage
* @dtim: RX Beacon with DTIM
* @bb_watchdog: Baseband watchdog
*/
struct ath_interrupt_stats {
u32 total;
u32 rxok;
u32 rxlp;
u32 rxhp;
u32 rxeol;
u32 rxorn;
u32 txok;
u32 txeol;
u32 txurn;
u32 mib;
u32 rxphyerr;
u32 rx_keycache_miss;
u32 swba;
u32 bmiss;
u32 bnr;
u32 cst;
u32 gtt;
u32 tim;
u32 cabend;
u32 dtimsync;
u32 dtim;
u32 bb_watchdog;
};
/**
* struct ath_tx_stats - Statistics about TX
* @tx_pkts_all: No. of total frames transmitted, including ones that
may have had errors.
* @tx_bytes_all: No. of total bytes transmitted, including ones that
may have had errors.
* @queued: Total MPDUs (non-aggr) queued
* @completed: Total MPDUs (non-aggr) completed
* @a_aggr: Total no. of aggregates queued
* @a_queued_hw: Total AMPDUs queued to hardware
* @a_queued_sw: Total AMPDUs queued to software queues
* @a_completed: Total AMPDUs completed
* @a_retries: No. of AMPDUs retried (SW)
* @a_xretries: No. of AMPDUs dropped due to xretries
* @fifo_underrun: FIFO underrun occurrences
Valid only for:
- non-aggregate condition.
- first packet of aggregate.
* @xtxop: No. of frames filtered because of TXOP limit
* @timer_exp: Transmit timer expiry
* @desc_cfg_err: Descriptor configuration errors
* @data_urn: TX data underrun errors
* @delim_urn: TX delimiter underrun errors
* @puttxbuf: Number of times hardware was given txbuf to write.
* @txstart: Number of times hardware was told to start tx.
* @txprocdesc: Number of times tx descriptor was processed
*/
struct ath_tx_stats {
u32 tx_pkts_all;
u32 tx_bytes_all;
u32 queued;
u32 completed;
u32 a_aggr;
u32 a_queued_hw;
u32 a_queued_sw;
u32 a_completed;
u32 a_retries;
u32 a_xretries;
u32 fifo_underrun;
u32 xtxop;
u32 timer_exp;
u32 desc_cfg_err;
u32 data_underrun;
u32 delim_underrun;
u32 puttxbuf;
u32 txstart;
u32 txprocdesc;
};
/**
* struct ath_rx_stats - RX Statistics
* @rx_pkts_all: No. of total frames received, including ones that
may have had errors.
* @rx_bytes_all: No. of total bytes received, including ones that
may have had errors.
* @crc_err: No. of frames with incorrect CRC value
* @decrypt_crc_err: No. of frames whose CRC check failed after
decryption process completed
* @phy_err: No. of frames whose reception failed because the PHY
encountered an error
* @mic_err: No. of frames with incorrect TKIP MIC verification failure
* @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
* @post_delim_crc_err: Post-Frame delimiter CRC error detections
* @decrypt_busy_err: Decryption interruptions counter
* @phy_err_stats: Individual PHY error statistics
*/
struct ath_rx_stats {
u32 rx_pkts_all;
u32 rx_bytes_all;
u32 crc_err;
u32 decrypt_crc_err;
u32 phy_err;
u32 mic_err;
u32 pre_delim_crc_err;
u32 post_delim_crc_err;
u32 decrypt_busy_err;
u32 phy_err_stats[ATH9K_PHYERR_MAX];
};
struct ath_stats {
struct ath_interrupt_stats istats;
struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
struct ath_rx_stats rxstats;
};
struct ath9k_debug {
struct dentry *debugfs_phy;
u32 regidx;
struct ath_stats stats;
};
int ath9k_init_debug(struct ath_hw *ah);
void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
struct ath_tx_status *ts, struct ath_txq *txq);
void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
#else
static inline int ath9k_init_debug(struct ath_hw *ah)
{
return 0;
}
static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
enum ath9k_int status)
{
}
static inline void ath_debug_stat_tx(struct ath_softc *sc,
struct ath_buf *bf,
struct ath_tx_status *ts,
struct ath_txq *txq)
{
}
static inline void ath_debug_stat_rx(struct ath_softc *sc,
struct ath_rx_status *rs)
{
}
#endif /* CONFIG_ATH9K_DEBUGFS */
#endif /* DEBUG_H */
|
