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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)) | |
60 | return -EINVAL; | |
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, | |
74 | .owner = THIS_MODULE | |
75 | }; | |
76 | ||
a830df07 FF |
77 | #endif |
78 | ||
991a0987 PR |
79 | #define DMA_BUF_LEN 1024 |
80 | ||
15340694 FF |
81 | static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf, |
82 | size_t count, loff_t *ppos) | |
83 | { | |
84 | struct ath_softc *sc = file->private_data; | |
85 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
86 | char buf[32]; | |
87 | unsigned int len; | |
88 | ||
2b87f3aa | 89 | len = sprintf(buf, "0x%08x\n", common->tx_chainmask); |
15340694 FF |
90 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
91 | } | |
92 | ||
93 | static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf, | |
94 | size_t count, loff_t *ppos) | |
95 | { | |
96 | struct ath_softc *sc = file->private_data; | |
97 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
98 | unsigned long mask; | |
99 | char buf[32]; | |
100 | ssize_t len; | |
101 | ||
102 | len = min(count, sizeof(buf) - 1); | |
103 | if (copy_from_user(buf, user_buf, len)) | |
104 | return -EINVAL; | |
105 | ||
106 | buf[len] = '\0'; | |
107 | if (strict_strtoul(buf, 0, &mask)) | |
108 | return -EINVAL; | |
109 | ||
110 | common->tx_chainmask = mask; | |
111 | sc->sc_ah->caps.tx_chainmask = mask; | |
112 | return count; | |
113 | } | |
114 | ||
115 | static const struct file_operations fops_tx_chainmask = { | |
116 | .read = read_file_tx_chainmask, | |
117 | .write = write_file_tx_chainmask, | |
118 | .open = ath9k_debugfs_open, | |
119 | .owner = THIS_MODULE | |
120 | }; | |
121 | ||
122 | ||
123 | static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf, | |
124 | size_t count, loff_t *ppos) | |
125 | { | |
126 | struct ath_softc *sc = file->private_data; | |
127 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
128 | char buf[32]; | |
129 | unsigned int len; | |
130 | ||
2b87f3aa | 131 | len = sprintf(buf, "0x%08x\n", common->rx_chainmask); |
15340694 FF |
132 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
133 | } | |
134 | ||
135 | static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf, | |
136 | size_t count, loff_t *ppos) | |
137 | { | |
138 | struct ath_softc *sc = file->private_data; | |
139 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
140 | unsigned long mask; | |
141 | char buf[32]; | |
142 | ssize_t len; | |
143 | ||
144 | len = min(count, sizeof(buf) - 1); | |
145 | if (copy_from_user(buf, user_buf, len)) | |
146 | return -EINVAL; | |
147 | ||
148 | buf[len] = '\0'; | |
149 | if (strict_strtoul(buf, 0, &mask)) | |
150 | return -EINVAL; | |
151 | ||
152 | common->rx_chainmask = mask; | |
153 | sc->sc_ah->caps.rx_chainmask = mask; | |
154 | return count; | |
155 | } | |
156 | ||
157 | static const struct file_operations fops_rx_chainmask = { | |
158 | .read = read_file_rx_chainmask, | |
159 | .write = write_file_rx_chainmask, | |
160 | .open = ath9k_debugfs_open, | |
161 | .owner = THIS_MODULE | |
162 | }; | |
163 | ||
164 | ||
2a163c6d S |
165 | static ssize_t read_file_dma(struct file *file, char __user *user_buf, |
166 | size_t count, loff_t *ppos) | |
167 | { | |
168 | struct ath_softc *sc = file->private_data; | |
cbe61d8a | 169 | struct ath_hw *ah = sc->sc_ah; |
991a0987 PR |
170 | char *buf; |
171 | int retval; | |
2a163c6d S |
172 | unsigned int len = 0; |
173 | u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; | |
174 | int i, qcuOffset = 0, dcuOffset = 0; | |
175 | u32 *qcuBase = &val[0], *dcuBase = &val[4]; | |
176 | ||
991a0987 PR |
177 | buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); |
178 | if (!buf) | |
179 | return 0; | |
180 | ||
7cf4a2e7 S |
181 | ath9k_ps_wakeup(sc); |
182 | ||
475a6e4d | 183 | REG_WRITE_D(ah, AR_MACMISC, |
2a163c6d S |
184 | ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | |
185 | (AR_MACMISC_MISC_OBS_BUS_1 << | |
186 | AR_MACMISC_MISC_OBS_BUS_MSB_S))); | |
187 | ||
991a0987 | 188 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
189 | "Raw DMA Debug values:\n"); |
190 | ||
191 | for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { | |
192 | if (i % 4 == 0) | |
991a0987 | 193 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
2a163c6d | 194 | |
475a6e4d | 195 | val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); |
991a0987 | 196 | len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", |
2a163c6d S |
197 | i, val[i]); |
198 | } | |
199 | ||
991a0987 PR |
200 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); |
201 | len += snprintf(buf + len, DMA_BUF_LEN - len, | |
2a163c6d S |
202 | "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); |
203 | ||
204 | for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { | |
205 | if (i == 8) { | |
206 | qcuOffset = 0; | |
207 | qcuBase++; | |
208 | } | |
209 | ||
210 | if (i == 6) { | |
211 | dcuOffset = 0; | |
212 | dcuBase++; | |
213 | } | |
214 | ||
991a0987 | 215 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
216 | "%2d %2x %1x %2x %2x\n", |
217 | i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, | |
218 | (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), | |
219 | val[2] & (0x7 << (i * 3)) >> (i * 3), | |
220 | (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); | |
221 | } | |
222 | ||
991a0987 | 223 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
2a163c6d | 224 | |
991a0987 | 225 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
226 | "qcu_stitch state: %2x qcu_fetch state: %2x\n", |
227 | (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); | |
991a0987 | 228 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
229 | "qcu_complete state: %2x dcu_complete state: %2x\n", |
230 | (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); | |
991a0987 | 231 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
232 | "dcu_arb state: %2x dcu_fp state: %2x\n", |
233 | (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); | |
991a0987 | 234 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
235 | "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", |
236 | (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); | |
991a0987 | 237 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
238 | "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", |
239 | (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); | |
991a0987 | 240 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
241 | "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", |
242 | (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); | |
243 | ||
60ece404 | 244 | len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", |
475a6e4d | 245 | REG_READ_D(ah, AR_OBS_BUS_1)); |
991a0987 | 246 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
60ece404 | 247 | "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); |
2a163c6d | 248 | |
7cf4a2e7 S |
249 | ath9k_ps_restore(sc); |
250 | ||
2b87f3aa DC |
251 | if (len > DMA_BUF_LEN) |
252 | len = DMA_BUF_LEN; | |
253 | ||
991a0987 PR |
254 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
255 | kfree(buf); | |
256 | return retval; | |
2a163c6d S |
257 | } |
258 | ||
259 | static const struct file_operations fops_dma = { | |
260 | .read = read_file_dma, | |
261 | .open = ath9k_debugfs_open, | |
262 | .owner = THIS_MODULE | |
263 | }; | |
264 | ||
817e11de S |
265 | |
266 | void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) | |
267 | { | |
268 | if (status) | |
17d7904d | 269 | sc->debug.stats.istats.total++; |
a9616f41 LR |
270 | if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { |
271 | if (status & ATH9K_INT_RXLP) | |
272 | sc->debug.stats.istats.rxlp++; | |
273 | if (status & ATH9K_INT_RXHP) | |
274 | sc->debug.stats.istats.rxhp++; | |
08578b8f LR |
275 | if (status & ATH9K_INT_BB_WATCHDOG) |
276 | sc->debug.stats.istats.bb_watchdog++; | |
a9616f41 LR |
277 | } else { |
278 | if (status & ATH9K_INT_RX) | |
279 | sc->debug.stats.istats.rxok++; | |
280 | } | |
817e11de | 281 | if (status & ATH9K_INT_RXEOL) |
17d7904d | 282 | sc->debug.stats.istats.rxeol++; |
817e11de | 283 | if (status & ATH9K_INT_RXORN) |
17d7904d | 284 | sc->debug.stats.istats.rxorn++; |
817e11de | 285 | if (status & ATH9K_INT_TX) |
17d7904d | 286 | sc->debug.stats.istats.txok++; |
817e11de | 287 | if (status & ATH9K_INT_TXURN) |
17d7904d | 288 | sc->debug.stats.istats.txurn++; |
817e11de | 289 | if (status & ATH9K_INT_MIB) |
17d7904d | 290 | sc->debug.stats.istats.mib++; |
817e11de | 291 | if (status & ATH9K_INT_RXPHY) |
17d7904d | 292 | sc->debug.stats.istats.rxphyerr++; |
817e11de | 293 | if (status & ATH9K_INT_RXKCM) |
17d7904d | 294 | sc->debug.stats.istats.rx_keycache_miss++; |
817e11de | 295 | if (status & ATH9K_INT_SWBA) |
17d7904d | 296 | sc->debug.stats.istats.swba++; |
817e11de | 297 | if (status & ATH9K_INT_BMISS) |
17d7904d | 298 | sc->debug.stats.istats.bmiss++; |
817e11de | 299 | if (status & ATH9K_INT_BNR) |
17d7904d | 300 | sc->debug.stats.istats.bnr++; |
817e11de | 301 | if (status & ATH9K_INT_CST) |
17d7904d | 302 | sc->debug.stats.istats.cst++; |
817e11de | 303 | if (status & ATH9K_INT_GTT) |
17d7904d | 304 | sc->debug.stats.istats.gtt++; |
817e11de | 305 | if (status & ATH9K_INT_TIM) |
17d7904d | 306 | sc->debug.stats.istats.tim++; |
817e11de | 307 | if (status & ATH9K_INT_CABEND) |
17d7904d | 308 | sc->debug.stats.istats.cabend++; |
817e11de | 309 | if (status & ATH9K_INT_DTIMSYNC) |
17d7904d | 310 | sc->debug.stats.istats.dtimsync++; |
817e11de | 311 | if (status & ATH9K_INT_DTIM) |
17d7904d | 312 | sc->debug.stats.istats.dtim++; |
817e11de S |
313 | } |
314 | ||
315 | static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, | |
316 | size_t count, loff_t *ppos) | |
317 | { | |
318 | struct ath_softc *sc = file->private_data; | |
319 | char buf[512]; | |
320 | unsigned int len = 0; | |
321 | ||
a9616f41 LR |
322 | if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { |
323 | len += snprintf(buf + len, sizeof(buf) - len, | |
324 | "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp); | |
325 | len += snprintf(buf + len, sizeof(buf) - len, | |
326 | "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp); | |
08578b8f LR |
327 | len += snprintf(buf + len, sizeof(buf) - len, |
328 | "%8s: %10u\n", "WATCHDOG", | |
329 | sc->debug.stats.istats.bb_watchdog); | |
a9616f41 LR |
330 | } else { |
331 | len += snprintf(buf + len, sizeof(buf) - len, | |
332 | "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); | |
333 | } | |
817e11de | 334 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 335 | "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); |
817e11de | 336 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 337 | "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); |
817e11de | 338 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 339 | "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); |
817e11de | 340 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 341 | "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); |
817e11de | 342 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 343 | "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); |
817e11de | 344 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 345 | "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); |
817e11de | 346 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 347 | "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); |
817e11de | 348 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 349 | "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); |
817e11de | 350 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 351 | "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); |
817e11de | 352 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 353 | "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); |
817e11de | 354 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 355 | "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); |
817e11de | 356 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 357 | "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); |
817e11de | 358 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 359 | "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); |
817e11de | 360 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 361 | "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); |
817e11de | 362 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 363 | "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); |
817e11de | 364 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 365 | "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); |
817e11de | 366 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 367 | "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); |
817e11de | 368 | |
2b87f3aa DC |
369 | if (len > sizeof(buf)) |
370 | len = sizeof(buf); | |
371 | ||
817e11de S |
372 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
373 | } | |
374 | ||
375 | static const struct file_operations fops_interrupt = { | |
376 | .read = read_file_interrupt, | |
377 | .open = ath9k_debugfs_open, | |
378 | .owner = THIS_MODULE | |
379 | }; | |
380 | ||
545750d3 | 381 | void ath_debug_stat_rc(struct ath_softc *sc, int final_rate) |
7a7dec65 | 382 | { |
bedf087a | 383 | struct ath_rc_stats *stats; |
7a7dec65 | 384 | |
545750d3 | 385 | stats = &sc->debug.stats.rcstats[final_rate]; |
bedf087a | 386 | stats->success++; |
7a7dec65 S |
387 | } |
388 | ||
029bc432 | 389 | void ath_debug_stat_retries(struct ath_softc *sc, int rix, |
9e712790 | 390 | int xretries, int retries, u8 per) |
029bc432 | 391 | { |
bedf087a | 392 | struct ath_rc_stats *stats = &sc->debug.stats.rcstats[rix]; |
029bc432 | 393 | |
bedf087a JH |
394 | stats->xretries += xretries; |
395 | stats->retries += retries; | |
396 | stats->per = per; | |
029bc432 S |
397 | } |
398 | ||
bedf087a JH |
399 | static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, |
400 | size_t count, loff_t *ppos) | |
7a7dec65 S |
401 | { |
402 | struct ath_softc *sc = file->private_data; | |
bedf087a JH |
403 | char *buf; |
404 | unsigned int len = 0, max; | |
7a7dec65 | 405 | int i = 0; |
bedf087a | 406 | ssize_t retval; |
7a7dec65 | 407 | |
bedf087a JH |
408 | if (sc->cur_rate_table == NULL) |
409 | return 0; | |
7a7dec65 | 410 | |
2b87f3aa DC |
411 | max = 80 + sc->cur_rate_table->rate_cnt * 1024 + 1; |
412 | buf = kmalloc(max, GFP_KERNEL); | |
bedf087a JH |
413 | if (buf == NULL) |
414 | return 0; | |
7a7dec65 | 415 | |
c755ad34 LR |
416 | len += sprintf(buf, "%6s %6s %6s " |
417 | "%10s %10s %10s %10s\n", | |
418 | "HT", "MCS", "Rate", | |
419 | "Success", "Retries", "XRetries", "PER"); | |
7a7dec65 S |
420 | |
421 | for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) { | |
bedf087a JH |
422 | u32 ratekbps = sc->cur_rate_table->info[i].ratekbps; |
423 | struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i]; | |
c755ad34 LR |
424 | char mcs[5]; |
425 | char htmode[5]; | |
426 | int used_mcs = 0, used_htmode = 0; | |
427 | ||
428 | if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) { | |
429 | used_mcs = snprintf(mcs, 5, "%d", | |
430 | sc->cur_rate_table->info[i].ratecode); | |
431 | ||
432 | if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy)) | |
433 | used_htmode = snprintf(htmode, 5, "HT40"); | |
434 | else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy)) | |
435 | used_htmode = snprintf(htmode, 5, "HT20"); | |
436 | else | |
437 | used_htmode = snprintf(htmode, 5, "????"); | |
438 | } | |
439 | ||
440 | mcs[used_mcs] = '\0'; | |
441 | htmode[used_htmode] = '\0'; | |
bedf087a JH |
442 | |
443 | len += snprintf(buf + len, max - len, | |
c755ad34 LR |
444 | "%6s %6s %3u.%d: " |
445 | "%10u %10u %10u %10u\n", | |
446 | htmode, | |
447 | mcs, | |
448 | ratekbps / 1000, | |
449 | (ratekbps % 1000) / 100, | |
450 | stats->success, | |
451 | stats->retries, | |
452 | stats->xretries, | |
bedf087a | 453 | stats->per); |
7a7dec65 S |
454 | } |
455 | ||
2b87f3aa DC |
456 | if (len > max) |
457 | len = max; | |
458 | ||
bedf087a JH |
459 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
460 | kfree(buf); | |
461 | return retval; | |
7a7dec65 S |
462 | } |
463 | ||
464 | static const struct file_operations fops_rcstat = { | |
465 | .read = read_file_rcstat, | |
466 | .open = ath9k_debugfs_open, | |
467 | .owner = THIS_MODULE | |
468 | }; | |
27abe060 | 469 | |
39d89cd3 JM |
470 | static const char * ath_wiphy_state_str(enum ath_wiphy_state state) |
471 | { | |
472 | switch (state) { | |
473 | case ATH_WIPHY_INACTIVE: | |
474 | return "INACTIVE"; | |
475 | case ATH_WIPHY_ACTIVE: | |
476 | return "ACTIVE"; | |
477 | case ATH_WIPHY_PAUSING: | |
478 | return "PAUSING"; | |
479 | case ATH_WIPHY_PAUSED: | |
480 | return "PAUSED"; | |
481 | case ATH_WIPHY_SCAN: | |
482 | return "SCAN"; | |
483 | } | |
484 | return "?"; | |
485 | } | |
486 | ||
487 | static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, | |
488 | size_t count, loff_t *ppos) | |
489 | { | |
490 | struct ath_softc *sc = file->private_data; | |
491 | char buf[512]; | |
492 | unsigned int len = 0; | |
493 | int i; | |
494 | u8 addr[ETH_ALEN]; | |
495 | ||
496 | len += snprintf(buf + len, sizeof(buf) - len, | |
497 | "primary: %s (%s chan=%d ht=%d)\n", | |
498 | wiphy_name(sc->pri_wiphy->hw->wiphy), | |
499 | ath_wiphy_state_str(sc->pri_wiphy->state), | |
500 | sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht); | |
501 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
502 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
503 | if (aphy == NULL) | |
504 | continue; | |
505 | len += snprintf(buf + len, sizeof(buf) - len, | |
506 | "secondary: %s (%s chan=%d ht=%d)\n", | |
507 | wiphy_name(aphy->hw->wiphy), | |
508 | ath_wiphy_state_str(aphy->state), | |
509 | aphy->chan_idx, aphy->chan_is_ht); | |
510 | } | |
511 | ||
475a6e4d LR |
512 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); |
513 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); | |
39d89cd3 JM |
514 | len += snprintf(buf + len, sizeof(buf) - len, |
515 | "addr: %pM\n", addr); | |
475a6e4d LR |
516 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr); |
517 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); | |
39d89cd3 JM |
518 | len += snprintf(buf + len, sizeof(buf) - len, |
519 | "addrmask: %pM\n", addr); | |
520 | ||
2b87f3aa DC |
521 | if (len > sizeof(buf)) |
522 | len = sizeof(buf); | |
523 | ||
39d89cd3 JM |
524 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
525 | } | |
526 | ||
527 | static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) | |
528 | { | |
529 | int i; | |
530 | if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) | |
531 | return sc->pri_wiphy; | |
532 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
533 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
534 | if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) | |
535 | return aphy; | |
536 | } | |
537 | return NULL; | |
538 | } | |
539 | ||
540 | static int del_wiphy(struct ath_softc *sc, const char *name) | |
541 | { | |
542 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
543 | if (!aphy) | |
544 | return -ENOENT; | |
545 | return ath9k_wiphy_del(aphy); | |
546 | } | |
547 | ||
548 | static int pause_wiphy(struct ath_softc *sc, const char *name) | |
549 | { | |
550 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
551 | if (!aphy) | |
552 | return -ENOENT; | |
553 | return ath9k_wiphy_pause(aphy); | |
554 | } | |
555 | ||
556 | static int unpause_wiphy(struct ath_softc *sc, const char *name) | |
557 | { | |
558 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
559 | if (!aphy) | |
560 | return -ENOENT; | |
561 | return ath9k_wiphy_unpause(aphy); | |
562 | } | |
563 | ||
564 | static int select_wiphy(struct ath_softc *sc, const char *name) | |
565 | { | |
566 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
567 | if (!aphy) | |
568 | return -ENOENT; | |
569 | return ath9k_wiphy_select(aphy); | |
570 | } | |
571 | ||
572 | static int schedule_wiphy(struct ath_softc *sc, const char *msec) | |
573 | { | |
574 | ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); | |
575 | return 0; | |
576 | } | |
577 | ||
578 | static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, | |
579 | size_t count, loff_t *ppos) | |
580 | { | |
581 | struct ath_softc *sc = file->private_data; | |
582 | char buf[50]; | |
583 | size_t len; | |
584 | ||
585 | len = min(count, sizeof(buf) - 1); | |
586 | if (copy_from_user(buf, user_buf, len)) | |
587 | return -EFAULT; | |
588 | buf[len] = '\0'; | |
589 | if (len > 0 && buf[len - 1] == '\n') | |
590 | buf[len - 1] = '\0'; | |
591 | ||
592 | if (strncmp(buf, "add", 3) == 0) { | |
593 | int res = ath9k_wiphy_add(sc); | |
594 | if (res < 0) | |
595 | return res; | |
596 | } else if (strncmp(buf, "del=", 4) == 0) { | |
597 | int res = del_wiphy(sc, buf + 4); | |
598 | if (res < 0) | |
599 | return res; | |
600 | } else if (strncmp(buf, "pause=", 6) == 0) { | |
601 | int res = pause_wiphy(sc, buf + 6); | |
602 | if (res < 0) | |
603 | return res; | |
604 | } else if (strncmp(buf, "unpause=", 8) == 0) { | |
605 | int res = unpause_wiphy(sc, buf + 8); | |
606 | if (res < 0) | |
607 | return res; | |
608 | } else if (strncmp(buf, "select=", 7) == 0) { | |
609 | int res = select_wiphy(sc, buf + 7); | |
610 | if (res < 0) | |
611 | return res; | |
612 | } else if (strncmp(buf, "schedule=", 9) == 0) { | |
613 | int res = schedule_wiphy(sc, buf + 9); | |
614 | if (res < 0) | |
615 | return res; | |
616 | } else | |
617 | return -EOPNOTSUPP; | |
618 | ||
619 | return count; | |
620 | } | |
621 | ||
622 | static const struct file_operations fops_wiphy = { | |
623 | .read = read_file_wiphy, | |
624 | .write = write_file_wiphy, | |
625 | .open = ath9k_debugfs_open, | |
626 | .owner = THIS_MODULE | |
627 | }; | |
628 | ||
fec247c0 S |
629 | #define PR(str, elem) \ |
630 | do { \ | |
631 | len += snprintf(buf + len, size - len, \ | |
632 | "%s%13u%11u%10u%10u\n", str, \ | |
633 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \ | |
634 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \ | |
635 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \ | |
636 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \ | |
637 | } while(0) | |
638 | ||
639 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, | |
640 | size_t count, loff_t *ppos) | |
641 | { | |
642 | struct ath_softc *sc = file->private_data; | |
643 | char *buf; | |
644 | unsigned int len = 0, size = 2048; | |
645 | ssize_t retval = 0; | |
646 | ||
647 | buf = kzalloc(size, GFP_KERNEL); | |
648 | if (buf == NULL) | |
649 | return 0; | |
650 | ||
651 | len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); | |
652 | ||
653 | PR("MPDUs Queued: ", queued); | |
654 | PR("MPDUs Completed: ", completed); | |
655 | PR("Aggregates: ", a_aggr); | |
656 | PR("AMPDUs Queued: ", a_queued); | |
657 | PR("AMPDUs Completed:", a_completed); | |
658 | PR("AMPDUs Retried: ", a_retries); | |
659 | PR("AMPDUs XRetried: ", a_xretries); | |
660 | PR("FIFO Underrun: ", fifo_underrun); | |
661 | PR("TXOP Exceeded: ", xtxop); | |
662 | PR("TXTIMER Expiry: ", timer_exp); | |
663 | PR("DESC CFG Error: ", desc_cfg_err); | |
664 | PR("DATA Underrun: ", data_underrun); | |
665 | PR("DELIM Underrun: ", delim_underrun); | |
666 | ||
2b87f3aa DC |
667 | if (len > size) |
668 | len = size; | |
669 | ||
fec247c0 S |
670 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
671 | kfree(buf); | |
672 | ||
673 | return retval; | |
674 | } | |
675 | ||
676 | void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq, | |
db1a052b | 677 | struct ath_buf *bf, struct ath_tx_status *ts) |
fec247c0 | 678 | { |
fec247c0 S |
679 | if (bf_isampdu(bf)) { |
680 | if (bf_isxretried(bf)) | |
681 | TX_STAT_INC(txq->axq_qnum, a_xretries); | |
682 | else | |
683 | TX_STAT_INC(txq->axq_qnum, a_completed); | |
684 | } else { | |
685 | TX_STAT_INC(txq->axq_qnum, completed); | |
686 | } | |
687 | ||
db1a052b | 688 | if (ts->ts_status & ATH9K_TXERR_FIFO) |
fec247c0 | 689 | TX_STAT_INC(txq->axq_qnum, fifo_underrun); |
db1a052b | 690 | if (ts->ts_status & ATH9K_TXERR_XTXOP) |
fec247c0 | 691 | TX_STAT_INC(txq->axq_qnum, xtxop); |
db1a052b | 692 | if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) |
fec247c0 | 693 | TX_STAT_INC(txq->axq_qnum, timer_exp); |
db1a052b | 694 | if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) |
fec247c0 | 695 | TX_STAT_INC(txq->axq_qnum, desc_cfg_err); |
db1a052b | 696 | if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) |
fec247c0 | 697 | TX_STAT_INC(txq->axq_qnum, data_underrun); |
db1a052b | 698 | if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) |
fec247c0 S |
699 | TX_STAT_INC(txq->axq_qnum, delim_underrun); |
700 | } | |
701 | ||
702 | static const struct file_operations fops_xmit = { | |
703 | .read = read_file_xmit, | |
704 | .open = ath9k_debugfs_open, | |
705 | .owner = THIS_MODULE | |
706 | }; | |
39d89cd3 | 707 | |
1395d3f0 S |
708 | static ssize_t read_file_recv(struct file *file, char __user *user_buf, |
709 | size_t count, loff_t *ppos) | |
710 | { | |
711 | #define PHY_ERR(s, p) \ | |
712 | len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \ | |
713 | sc->debug.stats.rxstats.phy_err_stats[p]); | |
714 | ||
715 | struct ath_softc *sc = file->private_data; | |
716 | char *buf; | |
717 | unsigned int len = 0, size = 1152; | |
718 | ssize_t retval = 0; | |
719 | ||
720 | buf = kzalloc(size, GFP_KERNEL); | |
721 | if (buf == NULL) | |
722 | return 0; | |
723 | ||
724 | len += snprintf(buf + len, size - len, | |
725 | "%18s : %10u\n", "CRC ERR", | |
726 | sc->debug.stats.rxstats.crc_err); | |
727 | len += snprintf(buf + len, size - len, | |
728 | "%18s : %10u\n", "DECRYPT CRC ERR", | |
729 | sc->debug.stats.rxstats.decrypt_crc_err); | |
730 | len += snprintf(buf + len, size - len, | |
731 | "%18s : %10u\n", "PHY ERR", | |
732 | sc->debug.stats.rxstats.phy_err); | |
733 | len += snprintf(buf + len, size - len, | |
734 | "%18s : %10u\n", "MIC ERR", | |
735 | sc->debug.stats.rxstats.mic_err); | |
736 | len += snprintf(buf + len, size - len, | |
737 | "%18s : %10u\n", "PRE-DELIM CRC ERR", | |
738 | sc->debug.stats.rxstats.pre_delim_crc_err); | |
739 | len += snprintf(buf + len, size - len, | |
740 | "%18s : %10u\n", "POST-DELIM CRC ERR", | |
741 | sc->debug.stats.rxstats.post_delim_crc_err); | |
742 | len += snprintf(buf + len, size - len, | |
743 | "%18s : %10u\n", "DECRYPT BUSY ERR", | |
744 | sc->debug.stats.rxstats.decrypt_busy_err); | |
745 | ||
746 | PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); | |
747 | PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); | |
748 | PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); | |
749 | PHY_ERR("RATE", ATH9K_PHYERR_RATE); | |
750 | PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH); | |
751 | PHY_ERR("RADAR", ATH9K_PHYERR_RADAR); | |
752 | PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE); | |
753 | PHY_ERR("TOR", ATH9K_PHYERR_TOR); | |
754 | PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING); | |
755 | PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); | |
756 | PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); | |
757 | PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); | |
758 | PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP); | |
759 | PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE); | |
760 | PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART); | |
761 | PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT); | |
762 | PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING); | |
763 | PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC); | |
764 | PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL); | |
765 | PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE); | |
766 | PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART); | |
767 | PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); | |
768 | PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP); | |
769 | PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR); | |
770 | PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); | |
771 | PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL); | |
772 | ||
2b87f3aa DC |
773 | if (len > size) |
774 | len = size; | |
775 | ||
1395d3f0 S |
776 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
777 | kfree(buf); | |
778 | ||
779 | return retval; | |
780 | ||
781 | #undef PHY_ERR | |
782 | } | |
783 | ||
8e6f5aa2 | 784 | void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) |
1395d3f0 S |
785 | { |
786 | #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ | |
787 | #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ | |
788 | ||
1395d3f0 S |
789 | u32 phyerr; |
790 | ||
8e6f5aa2 | 791 | if (rs->rs_status & ATH9K_RXERR_CRC) |
1395d3f0 | 792 | RX_STAT_INC(crc_err); |
8e6f5aa2 | 793 | if (rs->rs_status & ATH9K_RXERR_DECRYPT) |
1395d3f0 | 794 | RX_STAT_INC(decrypt_crc_err); |
8e6f5aa2 | 795 | if (rs->rs_status & ATH9K_RXERR_MIC) |
1395d3f0 | 796 | RX_STAT_INC(mic_err); |
8e6f5aa2 | 797 | if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) |
1395d3f0 | 798 | RX_STAT_INC(pre_delim_crc_err); |
8e6f5aa2 | 799 | if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) |
1395d3f0 | 800 | RX_STAT_INC(post_delim_crc_err); |
8e6f5aa2 | 801 | if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) |
1395d3f0 S |
802 | RX_STAT_INC(decrypt_busy_err); |
803 | ||
8e6f5aa2 | 804 | if (rs->rs_status & ATH9K_RXERR_PHY) { |
1395d3f0 | 805 | RX_STAT_INC(phy_err); |
8e6f5aa2 | 806 | phyerr = rs->rs_phyerr & 0x24; |
1395d3f0 S |
807 | RX_PHY_ERR_INC(phyerr); |
808 | } | |
809 | ||
810 | #undef RX_STAT_INC | |
811 | #undef RX_PHY_ERR_INC | |
812 | } | |
813 | ||
814 | static const struct file_operations fops_recv = { | |
815 | .read = read_file_recv, | |
816 | .open = ath9k_debugfs_open, | |
817 | .owner = THIS_MODULE | |
818 | }; | |
819 | ||
9bff0bc4 FF |
820 | static ssize_t read_file_regidx(struct file *file, char __user *user_buf, |
821 | size_t count, loff_t *ppos) | |
822 | { | |
823 | struct ath_softc *sc = file->private_data; | |
824 | char buf[32]; | |
825 | unsigned int len; | |
826 | ||
2b87f3aa | 827 | len = sprintf(buf, "0x%08x\n", sc->debug.regidx); |
9bff0bc4 FF |
828 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
829 | } | |
830 | ||
831 | static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, | |
832 | size_t count, loff_t *ppos) | |
833 | { | |
834 | struct ath_softc *sc = file->private_data; | |
835 | unsigned long regidx; | |
836 | char buf[32]; | |
837 | ssize_t len; | |
838 | ||
839 | len = min(count, sizeof(buf) - 1); | |
840 | if (copy_from_user(buf, user_buf, len)) | |
841 | return -EINVAL; | |
842 | ||
843 | buf[len] = '\0'; | |
844 | if (strict_strtoul(buf, 0, ®idx)) | |
845 | return -EINVAL; | |
846 | ||
847 | sc->debug.regidx = regidx; | |
848 | return count; | |
849 | } | |
850 | ||
851 | static const struct file_operations fops_regidx = { | |
852 | .read = read_file_regidx, | |
853 | .write = write_file_regidx, | |
854 | .open = ath9k_debugfs_open, | |
855 | .owner = THIS_MODULE | |
856 | }; | |
857 | ||
858 | static ssize_t read_file_regval(struct file *file, char __user *user_buf, | |
859 | size_t count, loff_t *ppos) | |
860 | { | |
861 | struct ath_softc *sc = file->private_data; | |
862 | struct ath_hw *ah = sc->sc_ah; | |
863 | char buf[32]; | |
864 | unsigned int len; | |
865 | u32 regval; | |
866 | ||
867 | regval = REG_READ_D(ah, sc->debug.regidx); | |
2b87f3aa | 868 | len = sprintf(buf, "0x%08x\n", regval); |
9bff0bc4 FF |
869 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
870 | } | |
871 | ||
872 | static ssize_t write_file_regval(struct file *file, const char __user *user_buf, | |
873 | size_t count, loff_t *ppos) | |
874 | { | |
875 | struct ath_softc *sc = file->private_data; | |
876 | struct ath_hw *ah = sc->sc_ah; | |
877 | unsigned long regval; | |
878 | char buf[32]; | |
879 | ssize_t len; | |
880 | ||
881 | len = min(count, sizeof(buf) - 1); | |
882 | if (copy_from_user(buf, user_buf, len)) | |
883 | return -EINVAL; | |
884 | ||
885 | buf[len] = '\0'; | |
886 | if (strict_strtoul(buf, 0, ®val)) | |
887 | return -EINVAL; | |
888 | ||
889 | REG_WRITE_D(ah, sc->debug.regidx, regval); | |
890 | return count; | |
891 | } | |
892 | ||
893 | static const struct file_operations fops_regval = { | |
894 | .read = read_file_regval, | |
895 | .write = write_file_regval, | |
896 | .open = ath9k_debugfs_open, | |
897 | .owner = THIS_MODULE | |
898 | }; | |
899 | ||
4d6b228d | 900 | int ath9k_init_debug(struct ath_hw *ah) |
88b126af | 901 | { |
bc974f4a LR |
902 | struct ath_common *common = ath9k_hw_common(ah); |
903 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 904 | |
7dd58748 S |
905 | if (!ath9k_debugfs_root) |
906 | return -ENOENT; | |
907 | ||
17d7904d | 908 | sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), |
19d8bc22 | 909 | ath9k_debugfs_root); |
17d7904d | 910 | if (!sc->debug.debugfs_phy) |
c8a72c00 | 911 | return -ENOMEM; |
826d2680 | 912 | |
a830df07 | 913 | #ifdef CONFIG_ATH_DEBUG |
c8a72c00 FF |
914 | if (!debugfs_create_file("debug", S_IRUSR | S_IWUSR, |
915 | sc->debug.debugfs_phy, sc, &fops_debug)) | |
2493928e | 916 | goto err; |
a830df07 | 917 | #endif |
2493928e | 918 | |
c8a72c00 FF |
919 | if (!debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, |
920 | sc, &fops_dma)) | |
2a163c6d S |
921 | goto err; |
922 | ||
c8a72c00 FF |
923 | if (!debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, |
924 | sc, &fops_interrupt)) | |
817e11de S |
925 | goto err; |
926 | ||
c8a72c00 FF |
927 | if (!debugfs_create_file("rcstat", S_IRUSR, sc->debug.debugfs_phy, |
928 | sc, &fops_rcstat)) | |
7a7dec65 S |
929 | goto err; |
930 | ||
c8a72c00 FF |
931 | if (!debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, |
932 | sc->debug.debugfs_phy, sc, &fops_wiphy)) | |
39d89cd3 JM |
933 | goto err; |
934 | ||
c8a72c00 FF |
935 | if (!debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, |
936 | sc, &fops_xmit)) | |
2a163c6d S |
937 | goto err; |
938 | ||
c8a72c00 FF |
939 | if (!debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, |
940 | sc, &fops_recv)) | |
817e11de S |
941 | goto err; |
942 | ||
15340694 FF |
943 | if (!debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, |
944 | sc->debug.debugfs_phy, sc, &fops_rx_chainmask)) | |
7a7dec65 S |
945 | goto err; |
946 | ||
15340694 FF |
947 | if (!debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, |
948 | sc->debug.debugfs_phy, sc, &fops_tx_chainmask)) | |
39d89cd3 JM |
949 | goto err; |
950 | ||
9bff0bc4 FF |
951 | if (!debugfs_create_file("regidx", S_IRUSR | S_IWUSR, |
952 | sc->debug.debugfs_phy, sc, &fops_regidx)) | |
fec247c0 S |
953 | goto err; |
954 | ||
9bff0bc4 FF |
955 | if (!debugfs_create_file("regval", S_IRUSR | S_IWUSR, |
956 | sc->debug.debugfs_phy, sc, &fops_regval)) | |
1395d3f0 S |
957 | goto err; |
958 | ||
9bff0bc4 | 959 | sc->debug.regidx = 0; |
826d2680 S |
960 | return 0; |
961 | err: | |
4d6b228d | 962 | ath9k_exit_debug(ah); |
826d2680 S |
963 | return -ENOMEM; |
964 | } | |
965 | ||
4d6b228d | 966 | void ath9k_exit_debug(struct ath_hw *ah) |
826d2680 | 967 | { |
bc974f4a LR |
968 | struct ath_common *common = ath9k_hw_common(ah); |
969 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 970 | |
c8a72c00 | 971 | debugfs_remove_recursive(sc->debug.debugfs_phy); |
19d8bc22 GJ |
972 | } |
973 | ||
974 | int ath9k_debug_create_root(void) | |
975 | { | |
976 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
977 | if (!ath9k_debugfs_root) | |
978 | return -ENOENT; | |
979 | ||
980 | return 0; | |
981 | } | |
982 | ||
983 | void ath9k_debug_remove_root(void) | |
984 | { | |
985 | debugfs_remove(ath9k_debugfs_root); | |
986 | ath9k_debugfs_root = NULL; | |
88b126af | 987 | } |