1/*
2 * Copyright (c) 2008-2011 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#include "common.h"
18
19static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
20 size_t count, loff_t *ppos)
21{
22 struct ath_hw *ah = file->private_data;
23 u32 len = 0, size = 6000;
24 char *buf;
25 size_t retval;
26
27 buf = kzalloc(size, GFP_KERNEL);
28 if (buf == NULL)
29 return -ENOMEM;
30
31 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
32
33 retval = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
34 kfree(objp: buf);
35
36 return retval;
37}
38
39static const struct file_operations fops_modal_eeprom = {
40 .read = read_file_modal_eeprom,
41 .open = simple_open,
42 .owner = THIS_MODULE,
43 .llseek = default_llseek,
44};
45
46
47void ath9k_cmn_debug_modal_eeprom(struct dentry *debugfs_phy,
48 struct ath_hw *ah)
49{
50 debugfs_create_file(name: "modal_eeprom", mode: 0400, parent: debugfs_phy, data: ah,
51 fops: &fops_modal_eeprom);
52}
53EXPORT_SYMBOL(ath9k_cmn_debug_modal_eeprom);
54
55static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
56 size_t count, loff_t *ppos)
57{
58 struct ath_hw *ah = file->private_data;
59 u32 len = 0, size = 1500;
60 ssize_t retval = 0;
61 char *buf;
62
63 buf = kzalloc(size, GFP_KERNEL);
64 if (!buf)
65 return -ENOMEM;
66
67 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
68
69 retval = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
70 kfree(objp: buf);
71
72 return retval;
73}
74
75static const struct file_operations fops_base_eeprom = {
76 .read = read_file_base_eeprom,
77 .open = simple_open,
78 .owner = THIS_MODULE,
79 .llseek = default_llseek,
80};
81
82void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy,
83 struct ath_hw *ah)
84{
85 debugfs_create_file(name: "base_eeprom", mode: 0400, parent: debugfs_phy, data: ah,
86 fops: &fops_base_eeprom);
87}
88EXPORT_SYMBOL(ath9k_cmn_debug_base_eeprom);
89
90void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats,
91 struct ath_rx_status *rs)
92{
93#define RX_PHY_ERR_INC(c) rxstats->phy_err_stats[c]++
94#define RX_CMN_STAT_INC(c) (rxstats->c++)
95
96 RX_CMN_STAT_INC(rx_pkts_all);
97 rxstats->rx_bytes_all += rs->rs_datalen;
98
99 if (rs->rs_status & ATH9K_RXERR_CRC)
100 RX_CMN_STAT_INC(crc_err);
101 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
102 RX_CMN_STAT_INC(decrypt_crc_err);
103 if (rs->rs_status & ATH9K_RXERR_MIC)
104 RX_CMN_STAT_INC(mic_err);
105 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
106 RX_CMN_STAT_INC(pre_delim_crc_err);
107 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
108 RX_CMN_STAT_INC(post_delim_crc_err);
109 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
110 RX_CMN_STAT_INC(decrypt_busy_err);
111
112 if (rs->rs_status & ATH9K_RXERR_PHY) {
113 RX_CMN_STAT_INC(phy_err);
114 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
115 RX_PHY_ERR_INC(rs->rs_phyerr);
116 }
117
118#undef RX_CMN_STAT_INC
119#undef RX_PHY_ERR_INC
120}
121EXPORT_SYMBOL(ath9k_cmn_debug_stat_rx);
122
123static ssize_t read_file_recv(struct file *file, char __user *user_buf,
124 size_t count, loff_t *ppos)
125{
126#define RXS_ERR(s, e) \
127 do { \
128 len += scnprintf(buf + len, size - len, \
129 "%18s : %10u\n", s, \
130 rxstats->e); \
131 } while (0)
132
133 struct ath_rx_stats *rxstats = file->private_data;
134 char *buf;
135 unsigned int len = 0, size = 1600;
136 ssize_t retval = 0;
137
138 buf = kzalloc(size, GFP_KERNEL);
139 if (buf == NULL)
140 return -ENOMEM;
141
142 RXS_ERR("PKTS-ALL", rx_pkts_all);
143 RXS_ERR("BYTES-ALL", rx_bytes_all);
144 RXS_ERR("BEACONS", rx_beacons);
145 RXS_ERR("FRAGS", rx_frags);
146 RXS_ERR("SPECTRAL", rx_spectral);
147 RXS_ERR("SPECTRAL SMPL GOOD", rx_spectral_sample_good);
148 RXS_ERR("SPECTRAL SMPL ERR", rx_spectral_sample_err);
149
150 RXS_ERR("CRC ERR", crc_err);
151 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
152 RXS_ERR("PHY ERR", phy_err);
153 RXS_ERR("MIC ERR", mic_err);
154 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
155 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
156 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
157 RXS_ERR("LENGTH-ERR", rx_len_err);
158 RXS_ERR("OOM-ERR", rx_oom_err);
159 RXS_ERR("RATE-ERR", rx_rate_err);
160 RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err);
161
162 if (len > size)
163 len = size;
164
165 retval = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
166 kfree(objp: buf);
167
168 return retval;
169
170#undef RXS_ERR
171}
172
173static const struct file_operations fops_recv = {
174 .read = read_file_recv,
175 .open = simple_open,
176 .owner = THIS_MODULE,
177 .llseek = default_llseek,
178};
179
180void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
181 struct ath_rx_stats *rxstats)
182{
183 debugfs_create_file(name: "recv", mode: 0400, parent: debugfs_phy, data: rxstats, fops: &fops_recv);
184}
185EXPORT_SYMBOL(ath9k_cmn_debug_recv);
186
187static ssize_t read_file_phy_err(struct file *file, char __user *user_buf,
188 size_t count, loff_t *ppos)
189{
190#define PHY_ERR(s, p) \
191 len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
192 rxstats->phy_err_stats[p])
193
194 struct ath_rx_stats *rxstats = file->private_data;
195 char *buf;
196 unsigned int len = 0, size = 1600;
197 ssize_t retval = 0;
198
199 buf = kzalloc(size, GFP_KERNEL);
200 if (buf == NULL)
201 return -ENOMEM;
202
203 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
204 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
205 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
206 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
207 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
208 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
209 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
210 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
211
212 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
213 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
214 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
215 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
216 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
217 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
218 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
219
220 PHY_ERR("CCK-BLOCKER ERR", ATH9K_PHYERR_CCK_BLOCKER);
221 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
222 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
223 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
224 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
225 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
226 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
227 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
228
229 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
230 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
231 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
232 PHY_ERR("HT-ZLF ERR", ATH9K_PHYERR_HT_ZLF);
233
234 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
235 PHY_ERR("GREEN-FIELD ERR", ATH9K_PHYERR_GREEN_FIELD);
236 PHY_ERR("SPECTRAL ERR", ATH9K_PHYERR_SPECTRAL);
237
238 if (len > size)
239 len = size;
240
241 retval = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
242 kfree(objp: buf);
243
244 return retval;
245
246#undef PHY_ERR
247}
248
249static const struct file_operations fops_phy_err = {
250 .read = read_file_phy_err,
251 .open = simple_open,
252 .owner = THIS_MODULE,
253 .llseek = default_llseek,
254};
255
256void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy,
257 struct ath_rx_stats *rxstats)
258{
259 debugfs_create_file(name: "phy_err", mode: 0400, parent: debugfs_phy, data: rxstats,
260 fops: &fops_phy_err);
261}
262EXPORT_SYMBOL(ath9k_cmn_debug_phy_err);
263

source code of linux/drivers/net/wireless/ath/ath9k/common-debug.c