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 <linux/export.h>
18 #include "common.h"
19
read_file_modal_eeprom(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)20 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
21 size_t count, loff_t *ppos)
22 {
23 struct ath_hw *ah = file->private_data;
24 u32 len = 0, size = 6000;
25 char *buf;
26 size_t retval;
27
28 buf = kzalloc(size, GFP_KERNEL);
29 if (buf == NULL)
30 return -ENOMEM;
31
32 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
33
34 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
35 kfree(buf);
36
37 return retval;
38 }
39
40 static const struct file_operations fops_modal_eeprom = {
41 .read = read_file_modal_eeprom,
42 .open = simple_open,
43 .owner = THIS_MODULE,
44 .llseek = default_llseek,
45 };
46
47
ath9k_cmn_debug_modal_eeprom(struct dentry * debugfs_phy,struct ath_hw * ah)48 void ath9k_cmn_debug_modal_eeprom(struct dentry *debugfs_phy,
49 struct ath_hw *ah)
50 {
51 debugfs_create_file("modal_eeprom", 0400, debugfs_phy, ah,
52 &fops_modal_eeprom);
53 }
54 EXPORT_SYMBOL(ath9k_cmn_debug_modal_eeprom);
55
read_file_base_eeprom(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)56 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
57 size_t count, loff_t *ppos)
58 {
59 struct ath_hw *ah = file->private_data;
60 u32 len = 0, size = 1500;
61 ssize_t retval = 0;
62 char *buf;
63
64 buf = kzalloc(size, GFP_KERNEL);
65 if (!buf)
66 return -ENOMEM;
67
68 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
69
70 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
71 kfree(buf);
72
73 return retval;
74 }
75
76 static const struct file_operations fops_base_eeprom = {
77 .read = read_file_base_eeprom,
78 .open = simple_open,
79 .owner = THIS_MODULE,
80 .llseek = default_llseek,
81 };
82
ath9k_cmn_debug_base_eeprom(struct dentry * debugfs_phy,struct ath_hw * ah)83 void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy,
84 struct ath_hw *ah)
85 {
86 debugfs_create_file("base_eeprom", 0400, debugfs_phy, ah,
87 &fops_base_eeprom);
88 }
89 EXPORT_SYMBOL(ath9k_cmn_debug_base_eeprom);
90
ath9k_cmn_debug_stat_rx(struct ath_rx_stats * rxstats,struct ath_rx_status * rs)91 void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats,
92 struct ath_rx_status *rs)
93 {
94 #define RX_PHY_ERR_INC(c) rxstats->phy_err_stats[c]++
95 #define RX_CMN_STAT_INC(c) (rxstats->c++)
96
97 RX_CMN_STAT_INC(rx_pkts_all);
98 rxstats->rx_bytes_all += rs->rs_datalen;
99
100 if (rs->rs_status & ATH9K_RXERR_CRC)
101 RX_CMN_STAT_INC(crc_err);
102 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
103 RX_CMN_STAT_INC(decrypt_crc_err);
104 if (rs->rs_status & ATH9K_RXERR_MIC)
105 RX_CMN_STAT_INC(mic_err);
106 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
107 RX_CMN_STAT_INC(pre_delim_crc_err);
108 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
109 RX_CMN_STAT_INC(post_delim_crc_err);
110 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
111 RX_CMN_STAT_INC(decrypt_busy_err);
112
113 if (rs->rs_status & ATH9K_RXERR_PHY) {
114 RX_CMN_STAT_INC(phy_err);
115 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
116 RX_PHY_ERR_INC(rs->rs_phyerr);
117 }
118
119 #undef RX_CMN_STAT_INC
120 #undef RX_PHY_ERR_INC
121 }
122 EXPORT_SYMBOL(ath9k_cmn_debug_stat_rx);
123
read_file_recv(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)124 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
125 size_t count, loff_t *ppos)
126 {
127 #define RXS_ERR(s, e) \
128 do { \
129 len += scnprintf(buf + len, size - len, \
130 "%18s : %10u\n", s, \
131 rxstats->e); \
132 } while (0)
133
134 struct ath_rx_stats *rxstats = file->private_data;
135 char *buf;
136 unsigned int len = 0, size = 1600;
137 ssize_t retval = 0;
138
139 buf = kzalloc(size, GFP_KERNEL);
140 if (buf == NULL)
141 return -ENOMEM;
142
143 RXS_ERR("PKTS-ALL", rx_pkts_all);
144 RXS_ERR("BYTES-ALL", rx_bytes_all);
145 RXS_ERR("BEACONS", rx_beacons);
146 RXS_ERR("FRAGS", rx_frags);
147 RXS_ERR("SPECTRAL", rx_spectral);
148 RXS_ERR("SPECTRAL SMPL GOOD", rx_spectral_sample_good);
149 RXS_ERR("SPECTRAL SMPL ERR", rx_spectral_sample_err);
150
151 RXS_ERR("CRC ERR", crc_err);
152 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
153 RXS_ERR("PHY ERR", phy_err);
154 RXS_ERR("MIC ERR", mic_err);
155 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
156 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
157 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
158 RXS_ERR("LENGTH-ERR", rx_len_err);
159 RXS_ERR("OOM-ERR", rx_oom_err);
160 RXS_ERR("RATE-ERR", rx_rate_err);
161 RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err);
162
163 if (len > size)
164 len = size;
165
166 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
167 kfree(buf);
168
169 return retval;
170
171 #undef RXS_ERR
172 }
173
174 static const struct file_operations fops_recv = {
175 .read = read_file_recv,
176 .open = simple_open,
177 .owner = THIS_MODULE,
178 .llseek = default_llseek,
179 };
180
ath9k_cmn_debug_recv(struct dentry * debugfs_phy,struct ath_rx_stats * rxstats)181 void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
182 struct ath_rx_stats *rxstats)
183 {
184 debugfs_create_file("recv", 0400, debugfs_phy, rxstats, &fops_recv);
185 }
186 EXPORT_SYMBOL(ath9k_cmn_debug_recv);
187
read_file_phy_err(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)188 static ssize_t read_file_phy_err(struct file *file, char __user *user_buf,
189 size_t count, loff_t *ppos)
190 {
191 #define PHY_ERR(s, p) \
192 len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
193 rxstats->phy_err_stats[p])
194
195 struct ath_rx_stats *rxstats = file->private_data;
196 char *buf;
197 unsigned int len = 0, size = 1600;
198 ssize_t retval = 0;
199
200 buf = kzalloc(size, GFP_KERNEL);
201 if (buf == NULL)
202 return -ENOMEM;
203
204 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
205 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
206 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
207 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
208 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
209 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
210 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
211 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
212
213 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
214 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
215 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
216 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
217 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
218 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
219 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
220
221 PHY_ERR("CCK-BLOCKER ERR", ATH9K_PHYERR_CCK_BLOCKER);
222 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
223 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
224 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
225 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
226 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
227 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
228 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
229
230 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
231 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
232 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
233 PHY_ERR("HT-ZLF ERR", ATH9K_PHYERR_HT_ZLF);
234
235 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
236 PHY_ERR("GREEN-FIELD ERR", ATH9K_PHYERR_GREEN_FIELD);
237 PHY_ERR("SPECTRAL ERR", ATH9K_PHYERR_SPECTRAL);
238
239 if (len > size)
240 len = size;
241
242 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
243 kfree(buf);
244
245 return retval;
246
247 #undef PHY_ERR
248 }
249
250 static const struct file_operations fops_phy_err = {
251 .read = read_file_phy_err,
252 .open = simple_open,
253 .owner = THIS_MODULE,
254 .llseek = default_llseek,
255 };
256
ath9k_cmn_debug_phy_err(struct dentry * debugfs_phy,struct ath_rx_stats * rxstats)257 void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy,
258 struct ath_rx_stats *rxstats)
259 {
260 debugfs_create_file("phy_err", 0400, debugfs_phy, rxstats,
261 &fops_phy_err);
262 }
263 EXPORT_SYMBOL(ath9k_cmn_debug_phy_err);
264