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Commit | Line | Data |
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88b126af | 1 | /* |
cee075a2 | 2 | * Copyright (c) 2008-2009 Atheros Communications Inc. |
88b126af S |
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 | ||
5a0e3ad6 | 17 | #include <linux/slab.h> |
52103115 GJ |
18 | #include <asm/unaligned.h> |
19 | ||
394cf0a1 | 20 | #include "ath9k.h" |
88b126af | 21 | |
475a6e4d LR |
22 | #define REG_WRITE_D(_ah, _reg, _val) \ |
23 | ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) | |
24 | #define REG_READ_D(_ah, _reg) \ | |
25 | ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) | |
26 | ||
19d8bc22 GJ |
27 | static struct dentry *ath9k_debugfs_root; |
28 | ||
2a163c6d S |
29 | static int ath9k_debugfs_open(struct inode *inode, struct file *file) |
30 | { | |
31 | file->private_data = inode->i_private; | |
32 | return 0; | |
33 | } | |
34 | ||
a830df07 FF |
35 | #ifdef CONFIG_ATH_DEBUG |
36 | ||
2493928e JH |
37 | static ssize_t read_file_debug(struct file *file, char __user *user_buf, |
38 | size_t count, loff_t *ppos) | |
39 | { | |
40 | struct ath_softc *sc = file->private_data; | |
c46917bb | 41 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
2493928e | 42 | char buf[32]; |
581f725c VT |
43 | unsigned int len; |
44 | ||
2b87f3aa | 45 | len = sprintf(buf, "0x%08x\n", common->debug_mask); |
2493928e JH |
46 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
47 | } | |
48 | ||
49 | static ssize_t write_file_debug(struct file *file, const char __user *user_buf, | |
50 | size_t count, loff_t *ppos) | |
51 | { | |
52 | struct ath_softc *sc = file->private_data; | |
c46917bb | 53 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
2493928e JH |
54 | unsigned long mask; |
55 | char buf[32]; | |
581f725c VT |
56 | ssize_t len; |
57 | ||
58 | len = min(count, sizeof(buf) - 1); | |
59 | if (copy_from_user(buf, user_buf, len)) | |
04236066 | 60 | return -EFAULT; |
581f725c VT |
61 | |
62 | buf[len] = '\0'; | |
63 | if (strict_strtoul(buf, 0, &mask)) | |
64 | return -EINVAL; | |
65 | ||
c46917bb | 66 | common->debug_mask = mask; |
2493928e JH |
67 | return count; |
68 | } | |
69 | ||
70 | static const struct file_operations fops_debug = { | |
71 | .read = read_file_debug, | |
72 | .write = write_file_debug, | |
73 | .open = ath9k_debugfs_open, | |
6038f373 AB |
74 | .owner = THIS_MODULE, |
75 | .llseek = default_llseek, | |
2493928e JH |
76 | }; |
77 | ||
a830df07 FF |
78 | #endif |
79 | ||
991a0987 PR |
80 | #define DMA_BUF_LEN 1024 |
81 | ||
15340694 FF |
82 | static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf, |
83 | size_t count, loff_t *ppos) | |
84 | { | |
85 | struct ath_softc *sc = file->private_data; | |
86 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
87 | char buf[32]; | |
88 | unsigned int len; | |
89 | ||
2b87f3aa | 90 | len = sprintf(buf, "0x%08x\n", common->tx_chainmask); |
15340694 FF |
91 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
92 | } | |
93 | ||
94 | static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf, | |
95 | size_t count, loff_t *ppos) | |
96 | { | |
97 | struct ath_softc *sc = file->private_data; | |
98 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
99 | unsigned long mask; | |
100 | char buf[32]; | |
101 | ssize_t len; | |
102 | ||
103 | len = min(count, sizeof(buf) - 1); | |
104 | if (copy_from_user(buf, user_buf, len)) | |
04236066 | 105 | return -EFAULT; |
15340694 FF |
106 | |
107 | buf[len] = '\0'; | |
108 | if (strict_strtoul(buf, 0, &mask)) | |
109 | return -EINVAL; | |
110 | ||
111 | common->tx_chainmask = mask; | |
112 | sc->sc_ah->caps.tx_chainmask = mask; | |
113 | return count; | |
114 | } | |
115 | ||
116 | static const struct file_operations fops_tx_chainmask = { | |
117 | .read = read_file_tx_chainmask, | |
118 | .write = write_file_tx_chainmask, | |
119 | .open = ath9k_debugfs_open, | |
6038f373 AB |
120 | .owner = THIS_MODULE, |
121 | .llseek = default_llseek, | |
15340694 FF |
122 | }; |
123 | ||
124 | ||
125 | static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf, | |
126 | size_t count, loff_t *ppos) | |
127 | { | |
128 | struct ath_softc *sc = file->private_data; | |
129 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
130 | char buf[32]; | |
131 | unsigned int len; | |
132 | ||
2b87f3aa | 133 | len = sprintf(buf, "0x%08x\n", common->rx_chainmask); |
15340694 FF |
134 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
135 | } | |
136 | ||
137 | static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf, | |
138 | size_t count, loff_t *ppos) | |
139 | { | |
140 | struct ath_softc *sc = file->private_data; | |
141 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
142 | unsigned long mask; | |
143 | char buf[32]; | |
144 | ssize_t len; | |
145 | ||
146 | len = min(count, sizeof(buf) - 1); | |
147 | if (copy_from_user(buf, user_buf, len)) | |
04236066 | 148 | return -EFAULT; |
15340694 FF |
149 | |
150 | buf[len] = '\0'; | |
151 | if (strict_strtoul(buf, 0, &mask)) | |
152 | return -EINVAL; | |
153 | ||
154 | common->rx_chainmask = mask; | |
155 | sc->sc_ah->caps.rx_chainmask = mask; | |
156 | return count; | |
157 | } | |
158 | ||
159 | static const struct file_operations fops_rx_chainmask = { | |
160 | .read = read_file_rx_chainmask, | |
161 | .write = write_file_rx_chainmask, | |
162 | .open = ath9k_debugfs_open, | |
6038f373 AB |
163 | .owner = THIS_MODULE, |
164 | .llseek = default_llseek, | |
15340694 FF |
165 | }; |
166 | ||
167 | ||
2a163c6d S |
168 | static ssize_t read_file_dma(struct file *file, char __user *user_buf, |
169 | size_t count, loff_t *ppos) | |
170 | { | |
171 | struct ath_softc *sc = file->private_data; | |
cbe61d8a | 172 | struct ath_hw *ah = sc->sc_ah; |
991a0987 PR |
173 | char *buf; |
174 | int retval; | |
2a163c6d S |
175 | unsigned int len = 0; |
176 | u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; | |
177 | int i, qcuOffset = 0, dcuOffset = 0; | |
178 | u32 *qcuBase = &val[0], *dcuBase = &val[4]; | |
179 | ||
991a0987 PR |
180 | buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); |
181 | if (!buf) | |
04236066 | 182 | return -ENOMEM; |
991a0987 | 183 | |
7cf4a2e7 S |
184 | ath9k_ps_wakeup(sc); |
185 | ||
475a6e4d | 186 | REG_WRITE_D(ah, AR_MACMISC, |
2a163c6d S |
187 | ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | |
188 | (AR_MACMISC_MISC_OBS_BUS_1 << | |
189 | AR_MACMISC_MISC_OBS_BUS_MSB_S))); | |
190 | ||
991a0987 | 191 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
192 | "Raw DMA Debug values:\n"); |
193 | ||
194 | for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { | |
195 | if (i % 4 == 0) | |
991a0987 | 196 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
2a163c6d | 197 | |
475a6e4d | 198 | val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); |
991a0987 | 199 | len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", |
2a163c6d S |
200 | i, val[i]); |
201 | } | |
202 | ||
991a0987 PR |
203 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); |
204 | len += snprintf(buf + len, DMA_BUF_LEN - len, | |
2a163c6d S |
205 | "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); |
206 | ||
207 | for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { | |
208 | if (i == 8) { | |
209 | qcuOffset = 0; | |
210 | qcuBase++; | |
211 | } | |
212 | ||
213 | if (i == 6) { | |
214 | dcuOffset = 0; | |
215 | dcuBase++; | |
216 | } | |
217 | ||
991a0987 | 218 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
219 | "%2d %2x %1x %2x %2x\n", |
220 | i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, | |
221 | (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), | |
222 | val[2] & (0x7 << (i * 3)) >> (i * 3), | |
223 | (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); | |
224 | } | |
225 | ||
991a0987 | 226 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
2a163c6d | 227 | |
991a0987 | 228 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
229 | "qcu_stitch state: %2x qcu_fetch state: %2x\n", |
230 | (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); | |
991a0987 | 231 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
232 | "qcu_complete state: %2x dcu_complete state: %2x\n", |
233 | (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); | |
991a0987 | 234 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
235 | "dcu_arb state: %2x dcu_fp state: %2x\n", |
236 | (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); | |
991a0987 | 237 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
238 | "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", |
239 | (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); | |
991a0987 | 240 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
241 | "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", |
242 | (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); | |
991a0987 | 243 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
244 | "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", |
245 | (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); | |
246 | ||
60ece404 | 247 | len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", |
475a6e4d | 248 | REG_READ_D(ah, AR_OBS_BUS_1)); |
991a0987 | 249 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
60ece404 | 250 | "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); |
2a163c6d | 251 | |
7cf4a2e7 S |
252 | ath9k_ps_restore(sc); |
253 | ||
2b87f3aa DC |
254 | if (len > DMA_BUF_LEN) |
255 | len = DMA_BUF_LEN; | |
256 | ||
991a0987 PR |
257 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
258 | kfree(buf); | |
259 | return retval; | |
2a163c6d S |
260 | } |
261 | ||
262 | static const struct file_operations fops_dma = { | |
263 | .read = read_file_dma, | |
264 | .open = ath9k_debugfs_open, | |
6038f373 AB |
265 | .owner = THIS_MODULE, |
266 | .llseek = default_llseek, | |
2a163c6d S |
267 | }; |
268 | ||
817e11de S |
269 | |
270 | void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) | |
271 | { | |
272 | if (status) | |
17d7904d | 273 | sc->debug.stats.istats.total++; |
a9616f41 LR |
274 | if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { |
275 | if (status & ATH9K_INT_RXLP) | |
276 | sc->debug.stats.istats.rxlp++; | |
277 | if (status & ATH9K_INT_RXHP) | |
278 | sc->debug.stats.istats.rxhp++; | |
08578b8f LR |
279 | if (status & ATH9K_INT_BB_WATCHDOG) |
280 | sc->debug.stats.istats.bb_watchdog++; | |
a9616f41 LR |
281 | } else { |
282 | if (status & ATH9K_INT_RX) | |
283 | sc->debug.stats.istats.rxok++; | |
284 | } | |
817e11de | 285 | if (status & ATH9K_INT_RXEOL) |
17d7904d | 286 | sc->debug.stats.istats.rxeol++; |
817e11de | 287 | if (status & ATH9K_INT_RXORN) |
17d7904d | 288 | sc->debug.stats.istats.rxorn++; |
817e11de | 289 | if (status & ATH9K_INT_TX) |
17d7904d | 290 | sc->debug.stats.istats.txok++; |
817e11de | 291 | if (status & ATH9K_INT_TXURN) |
17d7904d | 292 | sc->debug.stats.istats.txurn++; |
817e11de | 293 | if (status & ATH9K_INT_MIB) |
17d7904d | 294 | sc->debug.stats.istats.mib++; |
817e11de | 295 | if (status & ATH9K_INT_RXPHY) |
17d7904d | 296 | sc->debug.stats.istats.rxphyerr++; |
817e11de | 297 | if (status & ATH9K_INT_RXKCM) |
17d7904d | 298 | sc->debug.stats.istats.rx_keycache_miss++; |
817e11de | 299 | if (status & ATH9K_INT_SWBA) |
17d7904d | 300 | sc->debug.stats.istats.swba++; |
817e11de | 301 | if (status & ATH9K_INT_BMISS) |
17d7904d | 302 | sc->debug.stats.istats.bmiss++; |
817e11de | 303 | if (status & ATH9K_INT_BNR) |
17d7904d | 304 | sc->debug.stats.istats.bnr++; |
817e11de | 305 | if (status & ATH9K_INT_CST) |
17d7904d | 306 | sc->debug.stats.istats.cst++; |
817e11de | 307 | if (status & ATH9K_INT_GTT) |
17d7904d | 308 | sc->debug.stats.istats.gtt++; |
817e11de | 309 | if (status & ATH9K_INT_TIM) |
17d7904d | 310 | sc->debug.stats.istats.tim++; |
817e11de | 311 | if (status & ATH9K_INT_CABEND) |
17d7904d | 312 | sc->debug.stats.istats.cabend++; |
817e11de | 313 | if (status & ATH9K_INT_DTIMSYNC) |
17d7904d | 314 | sc->debug.stats.istats.dtimsync++; |
817e11de | 315 | if (status & ATH9K_INT_DTIM) |
17d7904d | 316 | sc->debug.stats.istats.dtim++; |
817e11de S |
317 | } |
318 | ||
319 | static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, | |
320 | size_t count, loff_t *ppos) | |
321 | { | |
322 | struct ath_softc *sc = file->private_data; | |
323 | char buf[512]; | |
324 | unsigned int len = 0; | |
325 | ||
a9616f41 LR |
326 | if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { |
327 | len += snprintf(buf + len, sizeof(buf) - len, | |
328 | "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp); | |
329 | len += snprintf(buf + len, sizeof(buf) - len, | |
330 | "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp); | |
08578b8f LR |
331 | len += snprintf(buf + len, sizeof(buf) - len, |
332 | "%8s: %10u\n", "WATCHDOG", | |
333 | sc->debug.stats.istats.bb_watchdog); | |
a9616f41 LR |
334 | } else { |
335 | len += snprintf(buf + len, sizeof(buf) - len, | |
336 | "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); | |
337 | } | |
817e11de | 338 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 339 | "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); |
817e11de | 340 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 341 | "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); |
817e11de | 342 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 343 | "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); |
817e11de | 344 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 345 | "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); |
817e11de | 346 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 347 | "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); |
817e11de | 348 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 349 | "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); |
817e11de | 350 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 351 | "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); |
817e11de | 352 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 353 | "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); |
817e11de | 354 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 355 | "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); |
817e11de | 356 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 357 | "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); |
817e11de | 358 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 359 | "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); |
817e11de | 360 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 361 | "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); |
817e11de | 362 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 363 | "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); |
817e11de | 364 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 365 | "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); |
817e11de | 366 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 367 | "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); |
817e11de | 368 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 369 | "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); |
817e11de | 370 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 371 | "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); |
817e11de | 372 | |
2b87f3aa DC |
373 | if (len > sizeof(buf)) |
374 | len = sizeof(buf); | |
375 | ||
817e11de S |
376 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
377 | } | |
378 | ||
379 | static const struct file_operations fops_interrupt = { | |
380 | .read = read_file_interrupt, | |
381 | .open = ath9k_debugfs_open, | |
6038f373 AB |
382 | .owner = THIS_MODULE, |
383 | .llseek = default_llseek, | |
817e11de S |
384 | }; |
385 | ||
39d89cd3 JM |
386 | static const char * ath_wiphy_state_str(enum ath_wiphy_state state) |
387 | { | |
388 | switch (state) { | |
389 | case ATH_WIPHY_INACTIVE: | |
390 | return "INACTIVE"; | |
391 | case ATH_WIPHY_ACTIVE: | |
392 | return "ACTIVE"; | |
393 | case ATH_WIPHY_PAUSING: | |
394 | return "PAUSING"; | |
395 | case ATH_WIPHY_PAUSED: | |
396 | return "PAUSED"; | |
397 | case ATH_WIPHY_SCAN: | |
398 | return "SCAN"; | |
399 | } | |
400 | return "?"; | |
401 | } | |
402 | ||
403 | static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, | |
404 | size_t count, loff_t *ppos) | |
405 | { | |
406 | struct ath_softc *sc = file->private_data; | |
8e0167a4 MSS |
407 | struct ath_wiphy *aphy = sc->pri_wiphy; |
408 | struct ieee80211_channel *chan = aphy->hw->conf.channel; | |
39d89cd3 JM |
409 | char buf[512]; |
410 | unsigned int len = 0; | |
411 | int i; | |
412 | u8 addr[ETH_ALEN]; | |
39057512 | 413 | u32 tmp; |
39d89cd3 JM |
414 | |
415 | len += snprintf(buf + len, sizeof(buf) - len, | |
416 | "primary: %s (%s chan=%d ht=%d)\n", | |
417 | wiphy_name(sc->pri_wiphy->hw->wiphy), | |
418 | ath_wiphy_state_str(sc->pri_wiphy->state), | |
8e0167a4 MSS |
419 | ieee80211_frequency_to_channel(chan->center_freq), |
420 | aphy->chan_is_ht); | |
39d89cd3 | 421 | |
475a6e4d LR |
422 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); |
423 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); | |
39d89cd3 JM |
424 | len += snprintf(buf + len, sizeof(buf) - len, |
425 | "addr: %pM\n", addr); | |
475a6e4d LR |
426 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr); |
427 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); | |
39d89cd3 JM |
428 | len += snprintf(buf + len, sizeof(buf) - len, |
429 | "addrmask: %pM\n", addr); | |
39057512 BG |
430 | tmp = ath9k_hw_getrxfilter(sc->sc_ah); |
431 | len += snprintf(buf + len, sizeof(buf) - len, | |
432 | "rfilt: 0x%x", tmp); | |
433 | if (tmp & ATH9K_RX_FILTER_UCAST) | |
434 | len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); | |
435 | if (tmp & ATH9K_RX_FILTER_MCAST) | |
436 | len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); | |
437 | if (tmp & ATH9K_RX_FILTER_BCAST) | |
438 | len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); | |
439 | if (tmp & ATH9K_RX_FILTER_CONTROL) | |
440 | len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); | |
441 | if (tmp & ATH9K_RX_FILTER_BEACON) | |
442 | len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); | |
443 | if (tmp & ATH9K_RX_FILTER_PROM) | |
444 | len += snprintf(buf + len, sizeof(buf) - len, " PROM"); | |
445 | if (tmp & ATH9K_RX_FILTER_PROBEREQ) | |
446 | len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); | |
447 | if (tmp & ATH9K_RX_FILTER_PHYERR) | |
448 | len += snprintf(buf + len, sizeof(buf) - len, " PHYERR"); | |
449 | if (tmp & ATH9K_RX_FILTER_MYBEACON) | |
450 | len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON"); | |
451 | if (tmp & ATH9K_RX_FILTER_COMP_BAR) | |
452 | len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); | |
453 | if (tmp & ATH9K_RX_FILTER_PSPOLL) | |
454 | len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL"); | |
455 | if (tmp & ATH9K_RX_FILTER_PHYRADAR) | |
456 | len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); | |
457 | if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL) | |
458 | len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL\n"); | |
459 | else | |
460 | len += snprintf(buf + len, sizeof(buf) - len, "\n"); | |
461 | ||
462 | /* Put variable-length stuff down here, and check for overflows. */ | |
39d89cd3 | 463 | for (i = 0; i < sc->num_sec_wiphy; i++) { |
191d6a11 LR |
464 | struct ath_wiphy *aphy_tmp = sc->sec_wiphy[i]; |
465 | if (aphy_tmp == NULL) | |
39d89cd3 | 466 | continue; |
191d6a11 | 467 | chan = aphy_tmp->hw->conf.channel; |
39d89cd3 | 468 | len += snprintf(buf + len, sizeof(buf) - len, |
8e0167a4 | 469 | "secondary: %s (%s chan=%d ht=%d)\n", |
191d6a11 LR |
470 | wiphy_name(aphy_tmp->hw->wiphy), |
471 | ath_wiphy_state_str(aphy_tmp->state), | |
8e0167a4 | 472 | ieee80211_frequency_to_channel(chan->center_freq), |
191d6a11 | 473 | aphy_tmp->chan_is_ht); |
39d89cd3 | 474 | } |
2b87f3aa DC |
475 | if (len > sizeof(buf)) |
476 | len = sizeof(buf); | |
477 | ||
39d89cd3 JM |
478 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
479 | } | |
480 | ||
481 | static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) | |
482 | { | |
483 | int i; | |
484 | if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) | |
485 | return sc->pri_wiphy; | |
486 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
487 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
488 | if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) | |
489 | return aphy; | |
490 | } | |
491 | return NULL; | |
492 | } | |
493 | ||
494 | static int del_wiphy(struct ath_softc *sc, const char *name) | |
495 | { | |
496 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
497 | if (!aphy) | |
498 | return -ENOENT; | |
499 | return ath9k_wiphy_del(aphy); | |
500 | } | |
501 | ||
502 | static int pause_wiphy(struct ath_softc *sc, const char *name) | |
503 | { | |
504 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
505 | if (!aphy) | |
506 | return -ENOENT; | |
507 | return ath9k_wiphy_pause(aphy); | |
508 | } | |
509 | ||
510 | static int unpause_wiphy(struct ath_softc *sc, const char *name) | |
511 | { | |
512 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
513 | if (!aphy) | |
514 | return -ENOENT; | |
515 | return ath9k_wiphy_unpause(aphy); | |
516 | } | |
517 | ||
518 | static int select_wiphy(struct ath_softc *sc, const char *name) | |
519 | { | |
520 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
521 | if (!aphy) | |
522 | return -ENOENT; | |
523 | return ath9k_wiphy_select(aphy); | |
524 | } | |
525 | ||
526 | static int schedule_wiphy(struct ath_softc *sc, const char *msec) | |
527 | { | |
528 | ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); | |
529 | return 0; | |
530 | } | |
531 | ||
532 | static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, | |
533 | size_t count, loff_t *ppos) | |
534 | { | |
535 | struct ath_softc *sc = file->private_data; | |
536 | char buf[50]; | |
537 | size_t len; | |
538 | ||
539 | len = min(count, sizeof(buf) - 1); | |
540 | if (copy_from_user(buf, user_buf, len)) | |
541 | return -EFAULT; | |
542 | buf[len] = '\0'; | |
543 | if (len > 0 && buf[len - 1] == '\n') | |
544 | buf[len - 1] = '\0'; | |
545 | ||
546 | if (strncmp(buf, "add", 3) == 0) { | |
547 | int res = ath9k_wiphy_add(sc); | |
548 | if (res < 0) | |
549 | return res; | |
550 | } else if (strncmp(buf, "del=", 4) == 0) { | |
551 | int res = del_wiphy(sc, buf + 4); | |
552 | if (res < 0) | |
553 | return res; | |
554 | } else if (strncmp(buf, "pause=", 6) == 0) { | |
555 | int res = pause_wiphy(sc, buf + 6); | |
556 | if (res < 0) | |
557 | return res; | |
558 | } else if (strncmp(buf, "unpause=", 8) == 0) { | |
559 | int res = unpause_wiphy(sc, buf + 8); | |
560 | if (res < 0) | |
561 | return res; | |
562 | } else if (strncmp(buf, "select=", 7) == 0) { | |
563 | int res = select_wiphy(sc, buf + 7); | |
564 | if (res < 0) | |
565 | return res; | |
566 | } else if (strncmp(buf, "schedule=", 9) == 0) { | |
567 | int res = schedule_wiphy(sc, buf + 9); | |
568 | if (res < 0) | |
569 | return res; | |
570 | } else | |
571 | return -EOPNOTSUPP; | |
572 | ||
573 | return count; | |
574 | } | |
575 | ||
576 | static const struct file_operations fops_wiphy = { | |
577 | .read = read_file_wiphy, | |
578 | .write = write_file_wiphy, | |
579 | .open = ath9k_debugfs_open, | |
6038f373 AB |
580 | .owner = THIS_MODULE, |
581 | .llseek = default_llseek, | |
39d89cd3 JM |
582 | }; |
583 | ||
fec247c0 S |
584 | #define PR(str, elem) \ |
585 | do { \ | |
586 | len += snprintf(buf + len, size - len, \ | |
587 | "%s%13u%11u%10u%10u\n", str, \ | |
1d2231e2 FF |
588 | sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_BE]].elem, \ |
589 | sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_BK]].elem, \ | |
590 | sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_VI]].elem, \ | |
591 | sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_VO]].elem); \ | |
fec247c0 S |
592 | } while(0) |
593 | ||
594 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, | |
595 | size_t count, loff_t *ppos) | |
596 | { | |
597 | struct ath_softc *sc = file->private_data; | |
598 | char *buf; | |
599 | unsigned int len = 0, size = 2048; | |
600 | ssize_t retval = 0; | |
601 | ||
602 | buf = kzalloc(size, GFP_KERNEL); | |
603 | if (buf == NULL) | |
04236066 | 604 | return -ENOMEM; |
fec247c0 S |
605 | |
606 | len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); | |
607 | ||
608 | PR("MPDUs Queued: ", queued); | |
609 | PR("MPDUs Completed: ", completed); | |
610 | PR("Aggregates: ", a_aggr); | |
611 | PR("AMPDUs Queued: ", a_queued); | |
612 | PR("AMPDUs Completed:", a_completed); | |
613 | PR("AMPDUs Retried: ", a_retries); | |
614 | PR("AMPDUs XRetried: ", a_xretries); | |
615 | PR("FIFO Underrun: ", fifo_underrun); | |
616 | PR("TXOP Exceeded: ", xtxop); | |
617 | PR("TXTIMER Expiry: ", timer_exp); | |
618 | PR("DESC CFG Error: ", desc_cfg_err); | |
619 | PR("DATA Underrun: ", data_underrun); | |
620 | PR("DELIM Underrun: ", delim_underrun); | |
99c15bf5 BG |
621 | PR("TX-Pkts-All: ", tx_pkts_all); |
622 | PR("TX-Bytes-All: ", tx_bytes_all); | |
fec247c0 | 623 | |
2b87f3aa DC |
624 | if (len > size) |
625 | len = size; | |
626 | ||
fec247c0 S |
627 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
628 | kfree(buf); | |
629 | ||
630 | return retval; | |
631 | } | |
632 | ||
633 | void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq, | |
db1a052b | 634 | struct ath_buf *bf, struct ath_tx_status *ts) |
fec247c0 | 635 | { |
99c15bf5 BG |
636 | TX_STAT_INC(txq->axq_qnum, tx_pkts_all); |
637 | sc->debug.stats.txstats[txq->axq_qnum].tx_bytes_all += bf->bf_mpdu->len; | |
638 | ||
fec247c0 S |
639 | if (bf_isampdu(bf)) { |
640 | if (bf_isxretried(bf)) | |
641 | TX_STAT_INC(txq->axq_qnum, a_xretries); | |
642 | else | |
643 | TX_STAT_INC(txq->axq_qnum, a_completed); | |
644 | } else { | |
645 | TX_STAT_INC(txq->axq_qnum, completed); | |
646 | } | |
647 | ||
db1a052b | 648 | if (ts->ts_status & ATH9K_TXERR_FIFO) |
fec247c0 | 649 | TX_STAT_INC(txq->axq_qnum, fifo_underrun); |
db1a052b | 650 | if (ts->ts_status & ATH9K_TXERR_XTXOP) |
fec247c0 | 651 | TX_STAT_INC(txq->axq_qnum, xtxop); |
db1a052b | 652 | if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) |
fec247c0 | 653 | TX_STAT_INC(txq->axq_qnum, timer_exp); |
db1a052b | 654 | if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) |
fec247c0 | 655 | TX_STAT_INC(txq->axq_qnum, desc_cfg_err); |
db1a052b | 656 | if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) |
fec247c0 | 657 | TX_STAT_INC(txq->axq_qnum, data_underrun); |
db1a052b | 658 | if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) |
fec247c0 S |
659 | TX_STAT_INC(txq->axq_qnum, delim_underrun); |
660 | } | |
661 | ||
662 | static const struct file_operations fops_xmit = { | |
663 | .read = read_file_xmit, | |
664 | .open = ath9k_debugfs_open, | |
6038f373 AB |
665 | .owner = THIS_MODULE, |
666 | .llseek = default_llseek, | |
fec247c0 | 667 | }; |
39d89cd3 | 668 | |
1395d3f0 S |
669 | static ssize_t read_file_recv(struct file *file, char __user *user_buf, |
670 | size_t count, loff_t *ppos) | |
671 | { | |
672 | #define PHY_ERR(s, p) \ | |
673 | len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \ | |
674 | sc->debug.stats.rxstats.phy_err_stats[p]); | |
675 | ||
676 | struct ath_softc *sc = file->private_data; | |
677 | char *buf; | |
678 | unsigned int len = 0, size = 1152; | |
679 | ssize_t retval = 0; | |
680 | ||
681 | buf = kzalloc(size, GFP_KERNEL); | |
682 | if (buf == NULL) | |
04236066 | 683 | return -ENOMEM; |
1395d3f0 S |
684 | |
685 | len += snprintf(buf + len, size - len, | |
686 | "%18s : %10u\n", "CRC ERR", | |
687 | sc->debug.stats.rxstats.crc_err); | |
688 | len += snprintf(buf + len, size - len, | |
689 | "%18s : %10u\n", "DECRYPT CRC ERR", | |
690 | sc->debug.stats.rxstats.decrypt_crc_err); | |
691 | len += snprintf(buf + len, size - len, | |
692 | "%18s : %10u\n", "PHY ERR", | |
693 | sc->debug.stats.rxstats.phy_err); | |
694 | len += snprintf(buf + len, size - len, | |
695 | "%18s : %10u\n", "MIC ERR", | |
696 | sc->debug.stats.rxstats.mic_err); | |
697 | len += snprintf(buf + len, size - len, | |
698 | "%18s : %10u\n", "PRE-DELIM CRC ERR", | |
699 | sc->debug.stats.rxstats.pre_delim_crc_err); | |
700 | len += snprintf(buf + len, size - len, | |
701 | "%18s : %10u\n", "POST-DELIM CRC ERR", | |
702 | sc->debug.stats.rxstats.post_delim_crc_err); | |
703 | len += snprintf(buf + len, size - len, | |
704 | "%18s : %10u\n", "DECRYPT BUSY ERR", | |
705 | sc->debug.stats.rxstats.decrypt_busy_err); | |
706 | ||
707 | PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); | |
708 | PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); | |
709 | PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); | |
710 | PHY_ERR("RATE", ATH9K_PHYERR_RATE); | |
711 | PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH); | |
712 | PHY_ERR("RADAR", ATH9K_PHYERR_RADAR); | |
713 | PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE); | |
714 | PHY_ERR("TOR", ATH9K_PHYERR_TOR); | |
715 | PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING); | |
716 | PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); | |
717 | PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); | |
718 | PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); | |
719 | PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP); | |
720 | PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE); | |
721 | PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART); | |
722 | PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT); | |
723 | PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING); | |
724 | PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC); | |
725 | PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL); | |
726 | PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE); | |
727 | PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART); | |
728 | PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); | |
729 | PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP); | |
730 | PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR); | |
731 | PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); | |
732 | PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL); | |
733 | ||
99c15bf5 BG |
734 | len += snprintf(buf + len, size - len, |
735 | "%18s : %10u\n", "RX-Pkts-All", | |
736 | sc->debug.stats.rxstats.rx_pkts_all); | |
737 | len += snprintf(buf + len, size - len, | |
738 | "%18s : %10u\n", "RX-Bytes-All", | |
739 | sc->debug.stats.rxstats.rx_bytes_all); | |
740 | ||
2b87f3aa DC |
741 | if (len > size) |
742 | len = size; | |
743 | ||
1395d3f0 S |
744 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
745 | kfree(buf); | |
746 | ||
747 | return retval; | |
748 | ||
749 | #undef PHY_ERR | |
750 | } | |
751 | ||
8e6f5aa2 | 752 | void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) |
1395d3f0 S |
753 | { |
754 | #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ | |
755 | #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ | |
756 | ||
1395d3f0 S |
757 | u32 phyerr; |
758 | ||
99c15bf5 BG |
759 | RX_STAT_INC(rx_pkts_all); |
760 | sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; | |
761 | ||
8e6f5aa2 | 762 | if (rs->rs_status & ATH9K_RXERR_CRC) |
1395d3f0 | 763 | RX_STAT_INC(crc_err); |
8e6f5aa2 | 764 | if (rs->rs_status & ATH9K_RXERR_DECRYPT) |
1395d3f0 | 765 | RX_STAT_INC(decrypt_crc_err); |
8e6f5aa2 | 766 | if (rs->rs_status & ATH9K_RXERR_MIC) |
1395d3f0 | 767 | RX_STAT_INC(mic_err); |
8e6f5aa2 | 768 | if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) |
1395d3f0 | 769 | RX_STAT_INC(pre_delim_crc_err); |
8e6f5aa2 | 770 | if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) |
1395d3f0 | 771 | RX_STAT_INC(post_delim_crc_err); |
8e6f5aa2 | 772 | if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) |
1395d3f0 S |
773 | RX_STAT_INC(decrypt_busy_err); |
774 | ||
8e6f5aa2 | 775 | if (rs->rs_status & ATH9K_RXERR_PHY) { |
1395d3f0 | 776 | RX_STAT_INC(phy_err); |
8e6f5aa2 | 777 | phyerr = rs->rs_phyerr & 0x24; |
1395d3f0 S |
778 | RX_PHY_ERR_INC(phyerr); |
779 | } | |
780 | ||
781 | #undef RX_STAT_INC | |
782 | #undef RX_PHY_ERR_INC | |
783 | } | |
784 | ||
785 | static const struct file_operations fops_recv = { | |
786 | .read = read_file_recv, | |
787 | .open = ath9k_debugfs_open, | |
6038f373 AB |
788 | .owner = THIS_MODULE, |
789 | .llseek = default_llseek, | |
1395d3f0 S |
790 | }; |
791 | ||
9bff0bc4 FF |
792 | static ssize_t read_file_regidx(struct file *file, char __user *user_buf, |
793 | size_t count, loff_t *ppos) | |
794 | { | |
795 | struct ath_softc *sc = file->private_data; | |
796 | char buf[32]; | |
797 | unsigned int len; | |
798 | ||
2b87f3aa | 799 | len = sprintf(buf, "0x%08x\n", sc->debug.regidx); |
9bff0bc4 FF |
800 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
801 | } | |
802 | ||
803 | static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, | |
804 | size_t count, loff_t *ppos) | |
805 | { | |
806 | struct ath_softc *sc = file->private_data; | |
807 | unsigned long regidx; | |
808 | char buf[32]; | |
809 | ssize_t len; | |
810 | ||
811 | len = min(count, sizeof(buf) - 1); | |
812 | if (copy_from_user(buf, user_buf, len)) | |
04236066 | 813 | return -EFAULT; |
9bff0bc4 FF |
814 | |
815 | buf[len] = '\0'; | |
816 | if (strict_strtoul(buf, 0, ®idx)) | |
817 | return -EINVAL; | |
818 | ||
819 | sc->debug.regidx = regidx; | |
820 | return count; | |
821 | } | |
822 | ||
823 | static const struct file_operations fops_regidx = { | |
824 | .read = read_file_regidx, | |
825 | .write = write_file_regidx, | |
826 | .open = ath9k_debugfs_open, | |
6038f373 AB |
827 | .owner = THIS_MODULE, |
828 | .llseek = default_llseek, | |
9bff0bc4 FF |
829 | }; |
830 | ||
831 | static ssize_t read_file_regval(struct file *file, char __user *user_buf, | |
832 | size_t count, loff_t *ppos) | |
833 | { | |
834 | struct ath_softc *sc = file->private_data; | |
835 | struct ath_hw *ah = sc->sc_ah; | |
836 | char buf[32]; | |
837 | unsigned int len; | |
838 | u32 regval; | |
839 | ||
840 | regval = REG_READ_D(ah, sc->debug.regidx); | |
2b87f3aa | 841 | len = sprintf(buf, "0x%08x\n", regval); |
9bff0bc4 FF |
842 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
843 | } | |
844 | ||
845 | static ssize_t write_file_regval(struct file *file, const char __user *user_buf, | |
846 | size_t count, loff_t *ppos) | |
847 | { | |
848 | struct ath_softc *sc = file->private_data; | |
849 | struct ath_hw *ah = sc->sc_ah; | |
850 | unsigned long regval; | |
851 | char buf[32]; | |
852 | ssize_t len; | |
853 | ||
854 | len = min(count, sizeof(buf) - 1); | |
855 | if (copy_from_user(buf, user_buf, len)) | |
04236066 | 856 | return -EFAULT; |
9bff0bc4 FF |
857 | |
858 | buf[len] = '\0'; | |
859 | if (strict_strtoul(buf, 0, ®val)) | |
860 | return -EINVAL; | |
861 | ||
862 | REG_WRITE_D(ah, sc->debug.regidx, regval); | |
863 | return count; | |
864 | } | |
865 | ||
866 | static const struct file_operations fops_regval = { | |
867 | .read = read_file_regval, | |
868 | .write = write_file_regval, | |
869 | .open = ath9k_debugfs_open, | |
6038f373 AB |
870 | .owner = THIS_MODULE, |
871 | .llseek = default_llseek, | |
9bff0bc4 FF |
872 | }; |
873 | ||
4d6b228d | 874 | int ath9k_init_debug(struct ath_hw *ah) |
88b126af | 875 | { |
bc974f4a LR |
876 | struct ath_common *common = ath9k_hw_common(ah); |
877 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 878 | |
7dd58748 S |
879 | if (!ath9k_debugfs_root) |
880 | return -ENOENT; | |
881 | ||
17d7904d | 882 | sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), |
19d8bc22 | 883 | ath9k_debugfs_root); |
17d7904d | 884 | if (!sc->debug.debugfs_phy) |
c8a72c00 | 885 | return -ENOMEM; |
826d2680 | 886 | |
a830df07 | 887 | #ifdef CONFIG_ATH_DEBUG |
c8a72c00 FF |
888 | if (!debugfs_create_file("debug", S_IRUSR | S_IWUSR, |
889 | sc->debug.debugfs_phy, sc, &fops_debug)) | |
2493928e | 890 | goto err; |
a830df07 | 891 | #endif |
2493928e | 892 | |
c8a72c00 FF |
893 | if (!debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, |
894 | sc, &fops_dma)) | |
2a163c6d S |
895 | goto err; |
896 | ||
c8a72c00 FF |
897 | if (!debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, |
898 | sc, &fops_interrupt)) | |
817e11de S |
899 | goto err; |
900 | ||
c8a72c00 FF |
901 | if (!debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, |
902 | sc->debug.debugfs_phy, sc, &fops_wiphy)) | |
39d89cd3 JM |
903 | goto err; |
904 | ||
c8a72c00 FF |
905 | if (!debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, |
906 | sc, &fops_xmit)) | |
2a163c6d S |
907 | goto err; |
908 | ||
c8a72c00 FF |
909 | if (!debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, |
910 | sc, &fops_recv)) | |
817e11de S |
911 | goto err; |
912 | ||
15340694 FF |
913 | if (!debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, |
914 | sc->debug.debugfs_phy, sc, &fops_rx_chainmask)) | |
7a7dec65 S |
915 | goto err; |
916 | ||
15340694 FF |
917 | if (!debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, |
918 | sc->debug.debugfs_phy, sc, &fops_tx_chainmask)) | |
39d89cd3 JM |
919 | goto err; |
920 | ||
9bff0bc4 FF |
921 | if (!debugfs_create_file("regidx", S_IRUSR | S_IWUSR, |
922 | sc->debug.debugfs_phy, sc, &fops_regidx)) | |
fec247c0 S |
923 | goto err; |
924 | ||
9bff0bc4 FF |
925 | if (!debugfs_create_file("regval", S_IRUSR | S_IWUSR, |
926 | sc->debug.debugfs_phy, sc, &fops_regval)) | |
1395d3f0 S |
927 | goto err; |
928 | ||
41f3e54d FF |
929 | if (!debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, |
930 | sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca)) | |
931 | goto err; | |
932 | ||
9bff0bc4 | 933 | sc->debug.regidx = 0; |
826d2680 S |
934 | return 0; |
935 | err: | |
4d6b228d | 936 | ath9k_exit_debug(ah); |
826d2680 S |
937 | return -ENOMEM; |
938 | } | |
939 | ||
4d6b228d | 940 | void ath9k_exit_debug(struct ath_hw *ah) |
826d2680 | 941 | { |
bc974f4a LR |
942 | struct ath_common *common = ath9k_hw_common(ah); |
943 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 944 | |
c8a72c00 | 945 | debugfs_remove_recursive(sc->debug.debugfs_phy); |
19d8bc22 GJ |
946 | } |
947 | ||
948 | int ath9k_debug_create_root(void) | |
949 | { | |
950 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
951 | if (!ath9k_debugfs_root) | |
952 | return -ENOENT; | |
953 | ||
954 | return 0; | |
955 | } | |
956 | ||
957 | void ath9k_debug_remove_root(void) | |
958 | { | |
959 | debugfs_remove(ath9k_debugfs_root); | |
960 | ath9k_debugfs_root = NULL; | |
88b126af | 961 | } |