summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/ath9k/common-debug.c
blob: 239429f103781c096c0c55fee90e5f94bad98967 (plain)
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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/*
 * Copyright (c) 2008-2011 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.
 */

#include "common.h"

static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath_hw *ah = file->private_data;
	u32 len = 0, size = 6000;
	char *buf;
	size_t retval;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;
}

static const struct file_operations fops_modal_eeprom = {
	.read = read_file_modal_eeprom,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};


void ath9k_cmn_debug_modal_eeprom(struct dentry *debugfs_phy,
				  struct ath_hw *ah)
{
	debugfs_create_file("modal_eeprom", 0400, debugfs_phy, ah,
			    &fops_modal_eeprom);
}
EXPORT_SYMBOL(ath9k_cmn_debug_modal_eeprom);

static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	struct ath_hw *ah = file->private_data;
	u32 len = 0, size = 1500;
	ssize_t retval = 0;
	char *buf;

	buf = kzalloc(size, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;
}

static const struct file_operations fops_base_eeprom = {
	.read = read_file_base_eeprom,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy,
				 struct ath_hw *ah)
{
	debugfs_create_file("base_eeprom", 0400, debugfs_phy, ah,
			    &fops_base_eeprom);
}
EXPORT_SYMBOL(ath9k_cmn_debug_base_eeprom);

void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats,
			     struct ath_rx_status *rs)
{
#define RX_PHY_ERR_INC(c) rxstats->phy_err_stats[c]++
#define RX_CMN_STAT_INC(c) (rxstats->c++)

	RX_CMN_STAT_INC(rx_pkts_all);
	rxstats->rx_bytes_all += rs->rs_datalen;

	if (rs->rs_status & ATH9K_RXERR_CRC)
		RX_CMN_STAT_INC(crc_err);
	if (rs->rs_status & ATH9K_RXERR_DECRYPT)
		RX_CMN_STAT_INC(decrypt_crc_err);
	if (rs->rs_status & ATH9K_RXERR_MIC)
		RX_CMN_STAT_INC(mic_err);
	if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
		RX_CMN_STAT_INC(pre_delim_crc_err);
	if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
		RX_CMN_STAT_INC(post_delim_crc_err);
	if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
		RX_CMN_STAT_INC(decrypt_busy_err);

	if (rs->rs_status & ATH9K_RXERR_PHY) {
		RX_CMN_STAT_INC(phy_err);
		if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
			RX_PHY_ERR_INC(rs->rs_phyerr);
	}

#undef RX_CMN_STAT_INC
#undef RX_PHY_ERR_INC
}
EXPORT_SYMBOL(ath9k_cmn_debug_stat_rx);

static ssize_t read_file_recv(struct file *file, char __user *user_buf,
			      size_t count, loff_t *ppos)
{
#define RXS_ERR(s, e)					\
	do {						\
		len += scnprintf(buf + len, size - len,	\
				 "%18s : %10u\n", s,	\
				 rxstats->e);		\
	} while (0)

	struct ath_rx_stats *rxstats = file->private_data;
	char *buf;
	unsigned int len = 0, size = 1600;
	ssize_t retval = 0;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	RXS_ERR("PKTS-ALL", rx_pkts_all);
	RXS_ERR("BYTES-ALL", rx_bytes_all);
	RXS_ERR("BEACONS", rx_beacons);
	RXS_ERR("FRAGS", rx_frags);
	RXS_ERR("SPECTRAL", rx_spectral);

	RXS_ERR("CRC ERR", crc_err);
	RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
	RXS_ERR("PHY ERR", phy_err);
	RXS_ERR("MIC ERR", mic_err);
	RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
	RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
	RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
	RXS_ERR("LENGTH-ERR", rx_len_err);
	RXS_ERR("OOM-ERR", rx_oom_err);
	RXS_ERR("RATE-ERR", rx_rate_err);
	RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err);

	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

#undef RXS_ERR
}

static const struct file_operations fops_recv = {
	.read = read_file_recv,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
			  struct ath_rx_stats *rxstats)
{
	debugfs_create_file("recv", 0400, debugfs_phy, rxstats, &fops_recv);
}
EXPORT_SYMBOL(ath9k_cmn_debug_recv);

static ssize_t read_file_phy_err(struct file *file, char __user *user_buf,
				 size_t count, loff_t *ppos)
{
#define PHY_ERR(s, p) \
	len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
			 rxstats->phy_err_stats[p]);

	struct ath_rx_stats *rxstats = file->private_data;
	char *buf;
	unsigned int len = 0, size = 1600;
	ssize_t retval = 0;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
	PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
	PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
	PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
	PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
	PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
	PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
	PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);

	PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
	PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
	PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
	PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
	PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
	PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
	PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);

	PHY_ERR("CCK-BLOCKER ERR", ATH9K_PHYERR_CCK_BLOCKER);
	PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
	PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
	PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
	PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
	PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
	PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
	PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);

	PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
	PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
	PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
	PHY_ERR("HT-ZLF ERR", ATH9K_PHYERR_HT_ZLF);

	PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
	PHY_ERR("GREEN-FIELD ERR", ATH9K_PHYERR_GREEN_FIELD);
	PHY_ERR("SPECTRAL ERR", ATH9K_PHYERR_SPECTRAL);

	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

#undef PHY_ERR
}

static const struct file_operations fops_phy_err = {
	.read = read_file_phy_err,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy,
			     struct ath_rx_stats *rxstats)
{
	debugfs_create_file("phy_err", 0400, debugfs_phy, rxstats,
			    &fops_phy_err);
}
EXPORT_SYMBOL(ath9k_cmn_debug_phy_err);