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 | ||
52103115 GJ |
17 | #include <asm/unaligned.h> |
18 | ||
394cf0a1 | 19 | #include "ath9k.h" |
88b126af | 20 | |
475a6e4d LR |
21 | #define REG_WRITE_D(_ah, _reg, _val) \ |
22 | ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) | |
23 | #define REG_READ_D(_ah, _reg) \ | |
24 | ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) | |
25 | ||
19d8bc22 GJ |
26 | static struct dentry *ath9k_debugfs_root; |
27 | ||
2a163c6d S |
28 | static int ath9k_debugfs_open(struct inode *inode, struct file *file) |
29 | { | |
30 | file->private_data = inode->i_private; | |
31 | return 0; | |
32 | } | |
33 | ||
2493928e JH |
34 | static ssize_t read_file_debug(struct file *file, char __user *user_buf, |
35 | size_t count, loff_t *ppos) | |
36 | { | |
37 | struct ath_softc *sc = file->private_data; | |
c46917bb | 38 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
2493928e | 39 | char buf[32]; |
581f725c VT |
40 | unsigned int len; |
41 | ||
c46917bb | 42 | len = snprintf(buf, sizeof(buf), "0x%08x\n", common->debug_mask); |
2493928e JH |
43 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
44 | } | |
45 | ||
46 | static ssize_t write_file_debug(struct file *file, const char __user *user_buf, | |
47 | size_t count, loff_t *ppos) | |
48 | { | |
49 | struct ath_softc *sc = file->private_data; | |
c46917bb | 50 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
2493928e JH |
51 | unsigned long mask; |
52 | char buf[32]; | |
581f725c VT |
53 | ssize_t len; |
54 | ||
55 | len = min(count, sizeof(buf) - 1); | |
56 | if (copy_from_user(buf, user_buf, len)) | |
57 | return -EINVAL; | |
58 | ||
59 | buf[len] = '\0'; | |
60 | if (strict_strtoul(buf, 0, &mask)) | |
61 | return -EINVAL; | |
62 | ||
c46917bb | 63 | common->debug_mask = mask; |
2493928e JH |
64 | return count; |
65 | } | |
66 | ||
67 | static const struct file_operations fops_debug = { | |
68 | .read = read_file_debug, | |
69 | .write = write_file_debug, | |
70 | .open = ath9k_debugfs_open, | |
71 | .owner = THIS_MODULE | |
72 | }; | |
73 | ||
2a163c6d S |
74 | static ssize_t read_file_dma(struct file *file, char __user *user_buf, |
75 | size_t count, loff_t *ppos) | |
76 | { | |
77 | struct ath_softc *sc = file->private_data; | |
cbe61d8a | 78 | struct ath_hw *ah = sc->sc_ah; |
2a163c6d S |
79 | char buf[1024]; |
80 | unsigned int len = 0; | |
81 | u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; | |
82 | int i, qcuOffset = 0, dcuOffset = 0; | |
83 | u32 *qcuBase = &val[0], *dcuBase = &val[4]; | |
84 | ||
7cf4a2e7 S |
85 | ath9k_ps_wakeup(sc); |
86 | ||
475a6e4d | 87 | REG_WRITE_D(ah, AR_MACMISC, |
2a163c6d S |
88 | ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | |
89 | (AR_MACMISC_MISC_OBS_BUS_1 << | |
90 | AR_MACMISC_MISC_OBS_BUS_MSB_S))); | |
91 | ||
92 | len += snprintf(buf + len, sizeof(buf) - len, | |
93 | "Raw DMA Debug values:\n"); | |
94 | ||
95 | for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { | |
96 | if (i % 4 == 0) | |
97 | len += snprintf(buf + len, sizeof(buf) - len, "\n"); | |
98 | ||
475a6e4d | 99 | val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); |
2a163c6d S |
100 | len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ", |
101 | i, val[i]); | |
102 | } | |
103 | ||
104 | len += snprintf(buf + len, sizeof(buf) - len, "\n\n"); | |
105 | len += snprintf(buf + len, sizeof(buf) - len, | |
106 | "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); | |
107 | ||
108 | for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { | |
109 | if (i == 8) { | |
110 | qcuOffset = 0; | |
111 | qcuBase++; | |
112 | } | |
113 | ||
114 | if (i == 6) { | |
115 | dcuOffset = 0; | |
116 | dcuBase++; | |
117 | } | |
118 | ||
119 | len += snprintf(buf + len, sizeof(buf) - len, | |
120 | "%2d %2x %1x %2x %2x\n", | |
121 | i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, | |
122 | (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), | |
123 | val[2] & (0x7 << (i * 3)) >> (i * 3), | |
124 | (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); | |
125 | } | |
126 | ||
127 | len += snprintf(buf + len, sizeof(buf) - len, "\n"); | |
128 | ||
129 | len += snprintf(buf + len, sizeof(buf) - len, | |
130 | "qcu_stitch state: %2x qcu_fetch state: %2x\n", | |
131 | (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); | |
132 | len += snprintf(buf + len, sizeof(buf) - len, | |
133 | "qcu_complete state: %2x dcu_complete state: %2x\n", | |
134 | (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); | |
135 | len += snprintf(buf + len, sizeof(buf) - len, | |
136 | "dcu_arb state: %2x dcu_fp state: %2x\n", | |
137 | (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); | |
138 | len += snprintf(buf + len, sizeof(buf) - len, | |
139 | "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", | |
140 | (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); | |
141 | len += snprintf(buf + len, sizeof(buf) - len, | |
142 | "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", | |
143 | (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); | |
144 | len += snprintf(buf + len, sizeof(buf) - len, | |
145 | "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", | |
146 | (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); | |
147 | ||
148 | len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n", | |
475a6e4d | 149 | REG_READ_D(ah, AR_OBS_BUS_1)); |
2a163c6d | 150 | len += snprintf(buf + len, sizeof(buf) - len, |
475a6e4d | 151 | "AR_CR: 0x%x \n", REG_READ_D(ah, AR_CR)); |
2a163c6d | 152 | |
7cf4a2e7 S |
153 | ath9k_ps_restore(sc); |
154 | ||
2a163c6d S |
155 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
156 | } | |
157 | ||
158 | static const struct file_operations fops_dma = { | |
159 | .read = read_file_dma, | |
160 | .open = ath9k_debugfs_open, | |
161 | .owner = THIS_MODULE | |
162 | }; | |
163 | ||
817e11de S |
164 | |
165 | void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) | |
166 | { | |
167 | if (status) | |
17d7904d | 168 | sc->debug.stats.istats.total++; |
817e11de | 169 | if (status & ATH9K_INT_RX) |
17d7904d | 170 | sc->debug.stats.istats.rxok++; |
817e11de | 171 | if (status & ATH9K_INT_RXEOL) |
17d7904d | 172 | sc->debug.stats.istats.rxeol++; |
817e11de | 173 | if (status & ATH9K_INT_RXORN) |
17d7904d | 174 | sc->debug.stats.istats.rxorn++; |
817e11de | 175 | if (status & ATH9K_INT_TX) |
17d7904d | 176 | sc->debug.stats.istats.txok++; |
817e11de | 177 | if (status & ATH9K_INT_TXURN) |
17d7904d | 178 | sc->debug.stats.istats.txurn++; |
817e11de | 179 | if (status & ATH9K_INT_MIB) |
17d7904d | 180 | sc->debug.stats.istats.mib++; |
817e11de | 181 | if (status & ATH9K_INT_RXPHY) |
17d7904d | 182 | sc->debug.stats.istats.rxphyerr++; |
817e11de | 183 | if (status & ATH9K_INT_RXKCM) |
17d7904d | 184 | sc->debug.stats.istats.rx_keycache_miss++; |
817e11de | 185 | if (status & ATH9K_INT_SWBA) |
17d7904d | 186 | sc->debug.stats.istats.swba++; |
817e11de | 187 | if (status & ATH9K_INT_BMISS) |
17d7904d | 188 | sc->debug.stats.istats.bmiss++; |
817e11de | 189 | if (status & ATH9K_INT_BNR) |
17d7904d | 190 | sc->debug.stats.istats.bnr++; |
817e11de | 191 | if (status & ATH9K_INT_CST) |
17d7904d | 192 | sc->debug.stats.istats.cst++; |
817e11de | 193 | if (status & ATH9K_INT_GTT) |
17d7904d | 194 | sc->debug.stats.istats.gtt++; |
817e11de | 195 | if (status & ATH9K_INT_TIM) |
17d7904d | 196 | sc->debug.stats.istats.tim++; |
817e11de | 197 | if (status & ATH9K_INT_CABEND) |
17d7904d | 198 | sc->debug.stats.istats.cabend++; |
817e11de | 199 | if (status & ATH9K_INT_DTIMSYNC) |
17d7904d | 200 | sc->debug.stats.istats.dtimsync++; |
817e11de | 201 | if (status & ATH9K_INT_DTIM) |
17d7904d | 202 | sc->debug.stats.istats.dtim++; |
817e11de S |
203 | } |
204 | ||
205 | static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, | |
206 | size_t count, loff_t *ppos) | |
207 | { | |
208 | struct ath_softc *sc = file->private_data; | |
209 | char buf[512]; | |
210 | unsigned int len = 0; | |
211 | ||
212 | len += snprintf(buf + len, sizeof(buf) - len, | |
17d7904d | 213 | "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); |
817e11de | 214 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 215 | "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); |
817e11de | 216 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 217 | "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); |
817e11de | 218 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 219 | "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); |
817e11de | 220 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 221 | "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); |
817e11de | 222 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 223 | "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); |
817e11de | 224 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 225 | "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); |
817e11de | 226 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 227 | "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); |
817e11de | 228 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 229 | "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); |
817e11de | 230 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 231 | "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); |
817e11de | 232 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 233 | "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); |
817e11de | 234 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 235 | "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); |
817e11de | 236 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 237 | "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); |
817e11de | 238 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 239 | "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); |
817e11de | 240 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 241 | "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); |
817e11de | 242 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 243 | "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); |
817e11de | 244 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 245 | "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); |
817e11de | 246 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 247 | "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); |
817e11de S |
248 | |
249 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
250 | } | |
251 | ||
252 | static const struct file_operations fops_interrupt = { | |
253 | .read = read_file_interrupt, | |
254 | .open = ath9k_debugfs_open, | |
255 | .owner = THIS_MODULE | |
256 | }; | |
257 | ||
545750d3 | 258 | void ath_debug_stat_rc(struct ath_softc *sc, int final_rate) |
7a7dec65 | 259 | { |
bedf087a | 260 | struct ath_rc_stats *stats; |
7a7dec65 | 261 | |
545750d3 | 262 | stats = &sc->debug.stats.rcstats[final_rate]; |
bedf087a | 263 | stats->success++; |
7a7dec65 S |
264 | } |
265 | ||
029bc432 | 266 | void ath_debug_stat_retries(struct ath_softc *sc, int rix, |
9e712790 | 267 | int xretries, int retries, u8 per) |
029bc432 | 268 | { |
bedf087a | 269 | struct ath_rc_stats *stats = &sc->debug.stats.rcstats[rix]; |
029bc432 | 270 | |
bedf087a JH |
271 | stats->xretries += xretries; |
272 | stats->retries += retries; | |
273 | stats->per = per; | |
029bc432 S |
274 | } |
275 | ||
bedf087a JH |
276 | static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, |
277 | size_t count, loff_t *ppos) | |
7a7dec65 S |
278 | { |
279 | struct ath_softc *sc = file->private_data; | |
bedf087a JH |
280 | char *buf; |
281 | unsigned int len = 0, max; | |
7a7dec65 | 282 | int i = 0; |
bedf087a | 283 | ssize_t retval; |
7a7dec65 | 284 | |
bedf087a JH |
285 | if (sc->cur_rate_table == NULL) |
286 | return 0; | |
7a7dec65 | 287 | |
bedf087a JH |
288 | max = 80 + sc->cur_rate_table->rate_cnt * 64; |
289 | buf = kmalloc(max + 1, GFP_KERNEL); | |
290 | if (buf == NULL) | |
291 | return 0; | |
292 | buf[max] = 0; | |
7a7dec65 | 293 | |
bedf087a JH |
294 | len += sprintf(buf, "%5s %15s %8s %9s %3s\n\n", "Rate", "Success", |
295 | "Retries", "XRetries", "PER"); | |
7a7dec65 S |
296 | |
297 | for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) { | |
bedf087a JH |
298 | u32 ratekbps = sc->cur_rate_table->info[i].ratekbps; |
299 | struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i]; | |
300 | ||
301 | len += snprintf(buf + len, max - len, | |
302 | "%3u.%d: %8u %8u %8u %8u\n", ratekbps / 1000, | |
303 | (ratekbps % 1000) / 100, stats->success, | |
304 | stats->retries, stats->xretries, | |
305 | stats->per); | |
7a7dec65 S |
306 | } |
307 | ||
bedf087a JH |
308 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
309 | kfree(buf); | |
310 | return retval; | |
7a7dec65 S |
311 | } |
312 | ||
313 | static const struct file_operations fops_rcstat = { | |
314 | .read = read_file_rcstat, | |
315 | .open = ath9k_debugfs_open, | |
316 | .owner = THIS_MODULE | |
317 | }; | |
27abe060 | 318 | |
39d89cd3 JM |
319 | static const char * ath_wiphy_state_str(enum ath_wiphy_state state) |
320 | { | |
321 | switch (state) { | |
322 | case ATH_WIPHY_INACTIVE: | |
323 | return "INACTIVE"; | |
324 | case ATH_WIPHY_ACTIVE: | |
325 | return "ACTIVE"; | |
326 | case ATH_WIPHY_PAUSING: | |
327 | return "PAUSING"; | |
328 | case ATH_WIPHY_PAUSED: | |
329 | return "PAUSED"; | |
330 | case ATH_WIPHY_SCAN: | |
331 | return "SCAN"; | |
332 | } | |
333 | return "?"; | |
334 | } | |
335 | ||
336 | static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, | |
337 | size_t count, loff_t *ppos) | |
338 | { | |
339 | struct ath_softc *sc = file->private_data; | |
340 | char buf[512]; | |
341 | unsigned int len = 0; | |
342 | int i; | |
343 | u8 addr[ETH_ALEN]; | |
344 | ||
345 | len += snprintf(buf + len, sizeof(buf) - len, | |
346 | "primary: %s (%s chan=%d ht=%d)\n", | |
347 | wiphy_name(sc->pri_wiphy->hw->wiphy), | |
348 | ath_wiphy_state_str(sc->pri_wiphy->state), | |
349 | sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht); | |
350 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
351 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
352 | if (aphy == NULL) | |
353 | continue; | |
354 | len += snprintf(buf + len, sizeof(buf) - len, | |
355 | "secondary: %s (%s chan=%d ht=%d)\n", | |
356 | wiphy_name(aphy->hw->wiphy), | |
357 | ath_wiphy_state_str(aphy->state), | |
358 | aphy->chan_idx, aphy->chan_is_ht); | |
359 | } | |
360 | ||
475a6e4d LR |
361 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); |
362 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); | |
39d89cd3 JM |
363 | len += snprintf(buf + len, sizeof(buf) - len, |
364 | "addr: %pM\n", addr); | |
475a6e4d LR |
365 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr); |
366 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); | |
39d89cd3 JM |
367 | len += snprintf(buf + len, sizeof(buf) - len, |
368 | "addrmask: %pM\n", addr); | |
369 | ||
370 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
371 | } | |
372 | ||
373 | static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) | |
374 | { | |
375 | int i; | |
376 | if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) | |
377 | return sc->pri_wiphy; | |
378 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
379 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
380 | if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) | |
381 | return aphy; | |
382 | } | |
383 | return NULL; | |
384 | } | |
385 | ||
386 | static int del_wiphy(struct ath_softc *sc, const char *name) | |
387 | { | |
388 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
389 | if (!aphy) | |
390 | return -ENOENT; | |
391 | return ath9k_wiphy_del(aphy); | |
392 | } | |
393 | ||
394 | static int pause_wiphy(struct ath_softc *sc, const char *name) | |
395 | { | |
396 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
397 | if (!aphy) | |
398 | return -ENOENT; | |
399 | return ath9k_wiphy_pause(aphy); | |
400 | } | |
401 | ||
402 | static int unpause_wiphy(struct ath_softc *sc, const char *name) | |
403 | { | |
404 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
405 | if (!aphy) | |
406 | return -ENOENT; | |
407 | return ath9k_wiphy_unpause(aphy); | |
408 | } | |
409 | ||
410 | static int select_wiphy(struct ath_softc *sc, const char *name) | |
411 | { | |
412 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
413 | if (!aphy) | |
414 | return -ENOENT; | |
415 | return ath9k_wiphy_select(aphy); | |
416 | } | |
417 | ||
418 | static int schedule_wiphy(struct ath_softc *sc, const char *msec) | |
419 | { | |
420 | ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); | |
421 | return 0; | |
422 | } | |
423 | ||
424 | static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, | |
425 | size_t count, loff_t *ppos) | |
426 | { | |
427 | struct ath_softc *sc = file->private_data; | |
428 | char buf[50]; | |
429 | size_t len; | |
430 | ||
431 | len = min(count, sizeof(buf) - 1); | |
432 | if (copy_from_user(buf, user_buf, len)) | |
433 | return -EFAULT; | |
434 | buf[len] = '\0'; | |
435 | if (len > 0 && buf[len - 1] == '\n') | |
436 | buf[len - 1] = '\0'; | |
437 | ||
438 | if (strncmp(buf, "add", 3) == 0) { | |
439 | int res = ath9k_wiphy_add(sc); | |
440 | if (res < 0) | |
441 | return res; | |
442 | } else if (strncmp(buf, "del=", 4) == 0) { | |
443 | int res = del_wiphy(sc, buf + 4); | |
444 | if (res < 0) | |
445 | return res; | |
446 | } else if (strncmp(buf, "pause=", 6) == 0) { | |
447 | int res = pause_wiphy(sc, buf + 6); | |
448 | if (res < 0) | |
449 | return res; | |
450 | } else if (strncmp(buf, "unpause=", 8) == 0) { | |
451 | int res = unpause_wiphy(sc, buf + 8); | |
452 | if (res < 0) | |
453 | return res; | |
454 | } else if (strncmp(buf, "select=", 7) == 0) { | |
455 | int res = select_wiphy(sc, buf + 7); | |
456 | if (res < 0) | |
457 | return res; | |
458 | } else if (strncmp(buf, "schedule=", 9) == 0) { | |
459 | int res = schedule_wiphy(sc, buf + 9); | |
460 | if (res < 0) | |
461 | return res; | |
462 | } else | |
463 | return -EOPNOTSUPP; | |
464 | ||
465 | return count; | |
466 | } | |
467 | ||
468 | static const struct file_operations fops_wiphy = { | |
469 | .read = read_file_wiphy, | |
470 | .write = write_file_wiphy, | |
471 | .open = ath9k_debugfs_open, | |
472 | .owner = THIS_MODULE | |
473 | }; | |
474 | ||
fec247c0 S |
475 | #define PR(str, elem) \ |
476 | do { \ | |
477 | len += snprintf(buf + len, size - len, \ | |
478 | "%s%13u%11u%10u%10u\n", str, \ | |
479 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \ | |
480 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \ | |
481 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \ | |
482 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \ | |
483 | } while(0) | |
484 | ||
485 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, | |
486 | size_t count, loff_t *ppos) | |
487 | { | |
488 | struct ath_softc *sc = file->private_data; | |
489 | char *buf; | |
490 | unsigned int len = 0, size = 2048; | |
491 | ssize_t retval = 0; | |
492 | ||
493 | buf = kzalloc(size, GFP_KERNEL); | |
494 | if (buf == NULL) | |
495 | return 0; | |
496 | ||
497 | len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); | |
498 | ||
499 | PR("MPDUs Queued: ", queued); | |
500 | PR("MPDUs Completed: ", completed); | |
501 | PR("Aggregates: ", a_aggr); | |
502 | PR("AMPDUs Queued: ", a_queued); | |
503 | PR("AMPDUs Completed:", a_completed); | |
504 | PR("AMPDUs Retried: ", a_retries); | |
505 | PR("AMPDUs XRetried: ", a_xretries); | |
506 | PR("FIFO Underrun: ", fifo_underrun); | |
507 | PR("TXOP Exceeded: ", xtxop); | |
508 | PR("TXTIMER Expiry: ", timer_exp); | |
509 | PR("DESC CFG Error: ", desc_cfg_err); | |
510 | PR("DATA Underrun: ", data_underrun); | |
511 | PR("DELIM Underrun: ", delim_underrun); | |
512 | ||
513 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
514 | kfree(buf); | |
515 | ||
516 | return retval; | |
517 | } | |
518 | ||
519 | void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq, | |
520 | struct ath_buf *bf) | |
521 | { | |
522 | struct ath_desc *ds = bf->bf_desc; | |
523 | ||
524 | if (bf_isampdu(bf)) { | |
525 | if (bf_isxretried(bf)) | |
526 | TX_STAT_INC(txq->axq_qnum, a_xretries); | |
527 | else | |
528 | TX_STAT_INC(txq->axq_qnum, a_completed); | |
529 | } else { | |
530 | TX_STAT_INC(txq->axq_qnum, completed); | |
531 | } | |
532 | ||
533 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO) | |
534 | TX_STAT_INC(txq->axq_qnum, fifo_underrun); | |
535 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_XTXOP) | |
536 | TX_STAT_INC(txq->axq_qnum, xtxop); | |
537 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_TIMER_EXPIRED) | |
538 | TX_STAT_INC(txq->axq_qnum, timer_exp); | |
539 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DESC_CFG_ERR) | |
540 | TX_STAT_INC(txq->axq_qnum, desc_cfg_err); | |
541 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DATA_UNDERRUN) | |
542 | TX_STAT_INC(txq->axq_qnum, data_underrun); | |
543 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DELIM_UNDERRUN) | |
544 | TX_STAT_INC(txq->axq_qnum, delim_underrun); | |
545 | } | |
546 | ||
547 | static const struct file_operations fops_xmit = { | |
548 | .read = read_file_xmit, | |
549 | .open = ath9k_debugfs_open, | |
550 | .owner = THIS_MODULE | |
551 | }; | |
39d89cd3 | 552 | |
4d6b228d | 553 | int ath9k_init_debug(struct ath_hw *ah) |
88b126af | 554 | { |
bc974f4a LR |
555 | struct ath_common *common = ath9k_hw_common(ah); |
556 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 557 | |
7dd58748 S |
558 | if (!ath9k_debugfs_root) |
559 | return -ENOENT; | |
560 | ||
17d7904d | 561 | sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), |
19d8bc22 | 562 | ath9k_debugfs_root); |
17d7904d | 563 | if (!sc->debug.debugfs_phy) |
826d2680 S |
564 | goto err; |
565 | ||
2493928e | 566 | sc->debug.debugfs_debug = debugfs_create_file("debug", |
9d49e861 | 567 | S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug); |
2493928e JH |
568 | if (!sc->debug.debugfs_debug) |
569 | goto err; | |
570 | ||
9d49e861 | 571 | sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR, |
17d7904d S |
572 | sc->debug.debugfs_phy, sc, &fops_dma); |
573 | if (!sc->debug.debugfs_dma) | |
2a163c6d S |
574 | goto err; |
575 | ||
17d7904d | 576 | sc->debug.debugfs_interrupt = debugfs_create_file("interrupt", |
9d49e861 | 577 | S_IRUSR, |
17d7904d | 578 | sc->debug.debugfs_phy, |
817e11de | 579 | sc, &fops_interrupt); |
17d7904d | 580 | if (!sc->debug.debugfs_interrupt) |
817e11de S |
581 | goto err; |
582 | ||
17d7904d | 583 | sc->debug.debugfs_rcstat = debugfs_create_file("rcstat", |
9d49e861 | 584 | S_IRUSR, |
17d7904d | 585 | sc->debug.debugfs_phy, |
7a7dec65 | 586 | sc, &fops_rcstat); |
17d7904d | 587 | if (!sc->debug.debugfs_rcstat) |
7a7dec65 S |
588 | goto err; |
589 | ||
39d89cd3 | 590 | sc->debug.debugfs_wiphy = debugfs_create_file( |
9d49e861 | 591 | "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, |
39d89cd3 JM |
592 | &fops_wiphy); |
593 | if (!sc->debug.debugfs_wiphy) | |
594 | goto err; | |
595 | ||
fec247c0 S |
596 | sc->debug.debugfs_xmit = debugfs_create_file("xmit", |
597 | S_IRUSR, | |
598 | sc->debug.debugfs_phy, | |
599 | sc, &fops_xmit); | |
600 | if (!sc->debug.debugfs_xmit) | |
601 | goto err; | |
602 | ||
826d2680 S |
603 | return 0; |
604 | err: | |
4d6b228d | 605 | ath9k_exit_debug(ah); |
826d2680 S |
606 | return -ENOMEM; |
607 | } | |
608 | ||
4d6b228d | 609 | void ath9k_exit_debug(struct ath_hw *ah) |
826d2680 | 610 | { |
bc974f4a LR |
611 | struct ath_common *common = ath9k_hw_common(ah); |
612 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 613 | |
fec247c0 | 614 | debugfs_remove(sc->debug.debugfs_xmit); |
39d89cd3 | 615 | debugfs_remove(sc->debug.debugfs_wiphy); |
17d7904d S |
616 | debugfs_remove(sc->debug.debugfs_rcstat); |
617 | debugfs_remove(sc->debug.debugfs_interrupt); | |
618 | debugfs_remove(sc->debug.debugfs_dma); | |
2493928e | 619 | debugfs_remove(sc->debug.debugfs_debug); |
17d7904d | 620 | debugfs_remove(sc->debug.debugfs_phy); |
19d8bc22 GJ |
621 | } |
622 | ||
623 | int ath9k_debug_create_root(void) | |
624 | { | |
625 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
626 | if (!ath9k_debugfs_root) | |
627 | return -ENOENT; | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | void ath9k_debug_remove_root(void) | |
633 | { | |
634 | debugfs_remove(ath9k_debugfs_root); | |
635 | ath9k_debugfs_root = NULL; | |
88b126af | 636 | } |