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 | ||
c46917bb | 45 | len = snprintf(buf, sizeof(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 | ||
2a163c6d S |
81 | static ssize_t read_file_dma(struct file *file, char __user *user_buf, |
82 | size_t count, loff_t *ppos) | |
83 | { | |
84 | struct ath_softc *sc = file->private_data; | |
cbe61d8a | 85 | struct ath_hw *ah = sc->sc_ah; |
991a0987 PR |
86 | char *buf; |
87 | int retval; | |
2a163c6d S |
88 | unsigned int len = 0; |
89 | u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; | |
90 | int i, qcuOffset = 0, dcuOffset = 0; | |
91 | u32 *qcuBase = &val[0], *dcuBase = &val[4]; | |
92 | ||
991a0987 PR |
93 | buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); |
94 | if (!buf) | |
95 | return 0; | |
96 | ||
7cf4a2e7 S |
97 | ath9k_ps_wakeup(sc); |
98 | ||
475a6e4d | 99 | REG_WRITE_D(ah, AR_MACMISC, |
2a163c6d S |
100 | ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | |
101 | (AR_MACMISC_MISC_OBS_BUS_1 << | |
102 | AR_MACMISC_MISC_OBS_BUS_MSB_S))); | |
103 | ||
991a0987 | 104 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
105 | "Raw DMA Debug values:\n"); |
106 | ||
107 | for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { | |
108 | if (i % 4 == 0) | |
991a0987 | 109 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
2a163c6d | 110 | |
475a6e4d | 111 | val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); |
991a0987 | 112 | len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", |
2a163c6d S |
113 | i, val[i]); |
114 | } | |
115 | ||
991a0987 PR |
116 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); |
117 | len += snprintf(buf + len, DMA_BUF_LEN - len, | |
2a163c6d S |
118 | "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); |
119 | ||
120 | for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { | |
121 | if (i == 8) { | |
122 | qcuOffset = 0; | |
123 | qcuBase++; | |
124 | } | |
125 | ||
126 | if (i == 6) { | |
127 | dcuOffset = 0; | |
128 | dcuBase++; | |
129 | } | |
130 | ||
991a0987 | 131 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
132 | "%2d %2x %1x %2x %2x\n", |
133 | i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, | |
134 | (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), | |
135 | val[2] & (0x7 << (i * 3)) >> (i * 3), | |
136 | (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); | |
137 | } | |
138 | ||
991a0987 | 139 | len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
2a163c6d | 140 | |
991a0987 | 141 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
142 | "qcu_stitch state: %2x qcu_fetch state: %2x\n", |
143 | (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); | |
991a0987 | 144 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
145 | "qcu_complete state: %2x dcu_complete state: %2x\n", |
146 | (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); | |
991a0987 | 147 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
148 | "dcu_arb state: %2x dcu_fp state: %2x\n", |
149 | (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); | |
991a0987 | 150 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
151 | "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", |
152 | (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); | |
991a0987 | 153 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
154 | "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", |
155 | (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); | |
991a0987 | 156 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
2a163c6d S |
157 | "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", |
158 | (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); | |
159 | ||
991a0987 | 160 | len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x \n", |
475a6e4d | 161 | REG_READ_D(ah, AR_OBS_BUS_1)); |
991a0987 | 162 | len += snprintf(buf + len, DMA_BUF_LEN - len, |
475a6e4d | 163 | "AR_CR: 0x%x \n", REG_READ_D(ah, AR_CR)); |
2a163c6d | 164 | |
7cf4a2e7 S |
165 | ath9k_ps_restore(sc); |
166 | ||
991a0987 PR |
167 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
168 | kfree(buf); | |
169 | return retval; | |
2a163c6d S |
170 | } |
171 | ||
172 | static const struct file_operations fops_dma = { | |
173 | .read = read_file_dma, | |
174 | .open = ath9k_debugfs_open, | |
175 | .owner = THIS_MODULE | |
176 | }; | |
177 | ||
817e11de S |
178 | |
179 | void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) | |
180 | { | |
181 | if (status) | |
17d7904d | 182 | sc->debug.stats.istats.total++; |
817e11de | 183 | if (status & ATH9K_INT_RX) |
17d7904d | 184 | sc->debug.stats.istats.rxok++; |
817e11de | 185 | if (status & ATH9K_INT_RXEOL) |
17d7904d | 186 | sc->debug.stats.istats.rxeol++; |
817e11de | 187 | if (status & ATH9K_INT_RXORN) |
17d7904d | 188 | sc->debug.stats.istats.rxorn++; |
817e11de | 189 | if (status & ATH9K_INT_TX) |
17d7904d | 190 | sc->debug.stats.istats.txok++; |
817e11de | 191 | if (status & ATH9K_INT_TXURN) |
17d7904d | 192 | sc->debug.stats.istats.txurn++; |
817e11de | 193 | if (status & ATH9K_INT_MIB) |
17d7904d | 194 | sc->debug.stats.istats.mib++; |
817e11de | 195 | if (status & ATH9K_INT_RXPHY) |
17d7904d | 196 | sc->debug.stats.istats.rxphyerr++; |
817e11de | 197 | if (status & ATH9K_INT_RXKCM) |
17d7904d | 198 | sc->debug.stats.istats.rx_keycache_miss++; |
817e11de | 199 | if (status & ATH9K_INT_SWBA) |
17d7904d | 200 | sc->debug.stats.istats.swba++; |
817e11de | 201 | if (status & ATH9K_INT_BMISS) |
17d7904d | 202 | sc->debug.stats.istats.bmiss++; |
817e11de | 203 | if (status & ATH9K_INT_BNR) |
17d7904d | 204 | sc->debug.stats.istats.bnr++; |
817e11de | 205 | if (status & ATH9K_INT_CST) |
17d7904d | 206 | sc->debug.stats.istats.cst++; |
817e11de | 207 | if (status & ATH9K_INT_GTT) |
17d7904d | 208 | sc->debug.stats.istats.gtt++; |
817e11de | 209 | if (status & ATH9K_INT_TIM) |
17d7904d | 210 | sc->debug.stats.istats.tim++; |
817e11de | 211 | if (status & ATH9K_INT_CABEND) |
17d7904d | 212 | sc->debug.stats.istats.cabend++; |
817e11de | 213 | if (status & ATH9K_INT_DTIMSYNC) |
17d7904d | 214 | sc->debug.stats.istats.dtimsync++; |
817e11de | 215 | if (status & ATH9K_INT_DTIM) |
17d7904d | 216 | sc->debug.stats.istats.dtim++; |
817e11de S |
217 | } |
218 | ||
219 | static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, | |
220 | size_t count, loff_t *ppos) | |
221 | { | |
222 | struct ath_softc *sc = file->private_data; | |
223 | char buf[512]; | |
224 | unsigned int len = 0; | |
225 | ||
226 | len += snprintf(buf + len, sizeof(buf) - len, | |
17d7904d | 227 | "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); |
817e11de | 228 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 229 | "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); |
817e11de | 230 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 231 | "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); |
817e11de | 232 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 233 | "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); |
817e11de | 234 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 235 | "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); |
817e11de | 236 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 237 | "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); |
817e11de | 238 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 239 | "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); |
817e11de | 240 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 241 | "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); |
817e11de | 242 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 243 | "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); |
817e11de | 244 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 245 | "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); |
817e11de | 246 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 247 | "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); |
817e11de | 248 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 249 | "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); |
817e11de | 250 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 251 | "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); |
817e11de | 252 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 253 | "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); |
817e11de | 254 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 255 | "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); |
817e11de | 256 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 257 | "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); |
817e11de | 258 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 259 | "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); |
817e11de | 260 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 261 | "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); |
817e11de S |
262 | |
263 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
264 | } | |
265 | ||
266 | static const struct file_operations fops_interrupt = { | |
267 | .read = read_file_interrupt, | |
268 | .open = ath9k_debugfs_open, | |
269 | .owner = THIS_MODULE | |
270 | }; | |
271 | ||
545750d3 | 272 | void ath_debug_stat_rc(struct ath_softc *sc, int final_rate) |
7a7dec65 | 273 | { |
bedf087a | 274 | struct ath_rc_stats *stats; |
7a7dec65 | 275 | |
545750d3 | 276 | stats = &sc->debug.stats.rcstats[final_rate]; |
bedf087a | 277 | stats->success++; |
7a7dec65 S |
278 | } |
279 | ||
029bc432 | 280 | void ath_debug_stat_retries(struct ath_softc *sc, int rix, |
9e712790 | 281 | int xretries, int retries, u8 per) |
029bc432 | 282 | { |
bedf087a | 283 | struct ath_rc_stats *stats = &sc->debug.stats.rcstats[rix]; |
029bc432 | 284 | |
bedf087a JH |
285 | stats->xretries += xretries; |
286 | stats->retries += retries; | |
287 | stats->per = per; | |
029bc432 S |
288 | } |
289 | ||
bedf087a JH |
290 | static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, |
291 | size_t count, loff_t *ppos) | |
7a7dec65 S |
292 | { |
293 | struct ath_softc *sc = file->private_data; | |
bedf087a JH |
294 | char *buf; |
295 | unsigned int len = 0, max; | |
7a7dec65 | 296 | int i = 0; |
bedf087a | 297 | ssize_t retval; |
7a7dec65 | 298 | |
bedf087a JH |
299 | if (sc->cur_rate_table == NULL) |
300 | return 0; | |
7a7dec65 | 301 | |
c755ad34 | 302 | max = 80 + sc->cur_rate_table->rate_cnt * 1024; |
bedf087a JH |
303 | buf = kmalloc(max + 1, GFP_KERNEL); |
304 | if (buf == NULL) | |
305 | return 0; | |
306 | buf[max] = 0; | |
7a7dec65 | 307 | |
c755ad34 LR |
308 | len += sprintf(buf, "%6s %6s %6s " |
309 | "%10s %10s %10s %10s\n", | |
310 | "HT", "MCS", "Rate", | |
311 | "Success", "Retries", "XRetries", "PER"); | |
7a7dec65 S |
312 | |
313 | for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) { | |
bedf087a JH |
314 | u32 ratekbps = sc->cur_rate_table->info[i].ratekbps; |
315 | struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i]; | |
c755ad34 LR |
316 | char mcs[5]; |
317 | char htmode[5]; | |
318 | int used_mcs = 0, used_htmode = 0; | |
319 | ||
320 | if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) { | |
321 | used_mcs = snprintf(mcs, 5, "%d", | |
322 | sc->cur_rate_table->info[i].ratecode); | |
323 | ||
324 | if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy)) | |
325 | used_htmode = snprintf(htmode, 5, "HT40"); | |
326 | else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy)) | |
327 | used_htmode = snprintf(htmode, 5, "HT20"); | |
328 | else | |
329 | used_htmode = snprintf(htmode, 5, "????"); | |
330 | } | |
331 | ||
332 | mcs[used_mcs] = '\0'; | |
333 | htmode[used_htmode] = '\0'; | |
bedf087a JH |
334 | |
335 | len += snprintf(buf + len, max - len, | |
c755ad34 LR |
336 | "%6s %6s %3u.%d: " |
337 | "%10u %10u %10u %10u\n", | |
338 | htmode, | |
339 | mcs, | |
340 | ratekbps / 1000, | |
341 | (ratekbps % 1000) / 100, | |
342 | stats->success, | |
343 | stats->retries, | |
344 | stats->xretries, | |
bedf087a | 345 | stats->per); |
7a7dec65 S |
346 | } |
347 | ||
bedf087a JH |
348 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
349 | kfree(buf); | |
350 | return retval; | |
7a7dec65 S |
351 | } |
352 | ||
353 | static const struct file_operations fops_rcstat = { | |
354 | .read = read_file_rcstat, | |
355 | .open = ath9k_debugfs_open, | |
356 | .owner = THIS_MODULE | |
357 | }; | |
27abe060 | 358 | |
39d89cd3 JM |
359 | static const char * ath_wiphy_state_str(enum ath_wiphy_state state) |
360 | { | |
361 | switch (state) { | |
362 | case ATH_WIPHY_INACTIVE: | |
363 | return "INACTIVE"; | |
364 | case ATH_WIPHY_ACTIVE: | |
365 | return "ACTIVE"; | |
366 | case ATH_WIPHY_PAUSING: | |
367 | return "PAUSING"; | |
368 | case ATH_WIPHY_PAUSED: | |
369 | return "PAUSED"; | |
370 | case ATH_WIPHY_SCAN: | |
371 | return "SCAN"; | |
372 | } | |
373 | return "?"; | |
374 | } | |
375 | ||
376 | static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, | |
377 | size_t count, loff_t *ppos) | |
378 | { | |
379 | struct ath_softc *sc = file->private_data; | |
380 | char buf[512]; | |
381 | unsigned int len = 0; | |
382 | int i; | |
383 | u8 addr[ETH_ALEN]; | |
384 | ||
385 | len += snprintf(buf + len, sizeof(buf) - len, | |
386 | "primary: %s (%s chan=%d ht=%d)\n", | |
387 | wiphy_name(sc->pri_wiphy->hw->wiphy), | |
388 | ath_wiphy_state_str(sc->pri_wiphy->state), | |
389 | sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht); | |
390 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
391 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
392 | if (aphy == NULL) | |
393 | continue; | |
394 | len += snprintf(buf + len, sizeof(buf) - len, | |
395 | "secondary: %s (%s chan=%d ht=%d)\n", | |
396 | wiphy_name(aphy->hw->wiphy), | |
397 | ath_wiphy_state_str(aphy->state), | |
398 | aphy->chan_idx, aphy->chan_is_ht); | |
399 | } | |
400 | ||
475a6e4d LR |
401 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); |
402 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); | |
39d89cd3 JM |
403 | len += snprintf(buf + len, sizeof(buf) - len, |
404 | "addr: %pM\n", addr); | |
475a6e4d LR |
405 | put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr); |
406 | put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); | |
39d89cd3 JM |
407 | len += snprintf(buf + len, sizeof(buf) - len, |
408 | "addrmask: %pM\n", addr); | |
409 | ||
410 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
411 | } | |
412 | ||
413 | static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) | |
414 | { | |
415 | int i; | |
416 | if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) | |
417 | return sc->pri_wiphy; | |
418 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
419 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
420 | if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) | |
421 | return aphy; | |
422 | } | |
423 | return NULL; | |
424 | } | |
425 | ||
426 | static int del_wiphy(struct ath_softc *sc, const char *name) | |
427 | { | |
428 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
429 | if (!aphy) | |
430 | return -ENOENT; | |
431 | return ath9k_wiphy_del(aphy); | |
432 | } | |
433 | ||
434 | static int pause_wiphy(struct ath_softc *sc, const char *name) | |
435 | { | |
436 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
437 | if (!aphy) | |
438 | return -ENOENT; | |
439 | return ath9k_wiphy_pause(aphy); | |
440 | } | |
441 | ||
442 | static int unpause_wiphy(struct ath_softc *sc, const char *name) | |
443 | { | |
444 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
445 | if (!aphy) | |
446 | return -ENOENT; | |
447 | return ath9k_wiphy_unpause(aphy); | |
448 | } | |
449 | ||
450 | static int select_wiphy(struct ath_softc *sc, const char *name) | |
451 | { | |
452 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
453 | if (!aphy) | |
454 | return -ENOENT; | |
455 | return ath9k_wiphy_select(aphy); | |
456 | } | |
457 | ||
458 | static int schedule_wiphy(struct ath_softc *sc, const char *msec) | |
459 | { | |
460 | ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); | |
461 | return 0; | |
462 | } | |
463 | ||
464 | static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, | |
465 | size_t count, loff_t *ppos) | |
466 | { | |
467 | struct ath_softc *sc = file->private_data; | |
468 | char buf[50]; | |
469 | size_t len; | |
470 | ||
471 | len = min(count, sizeof(buf) - 1); | |
472 | if (copy_from_user(buf, user_buf, len)) | |
473 | return -EFAULT; | |
474 | buf[len] = '\0'; | |
475 | if (len > 0 && buf[len - 1] == '\n') | |
476 | buf[len - 1] = '\0'; | |
477 | ||
478 | if (strncmp(buf, "add", 3) == 0) { | |
479 | int res = ath9k_wiphy_add(sc); | |
480 | if (res < 0) | |
481 | return res; | |
482 | } else if (strncmp(buf, "del=", 4) == 0) { | |
483 | int res = del_wiphy(sc, buf + 4); | |
484 | if (res < 0) | |
485 | return res; | |
486 | } else if (strncmp(buf, "pause=", 6) == 0) { | |
487 | int res = pause_wiphy(sc, buf + 6); | |
488 | if (res < 0) | |
489 | return res; | |
490 | } else if (strncmp(buf, "unpause=", 8) == 0) { | |
491 | int res = unpause_wiphy(sc, buf + 8); | |
492 | if (res < 0) | |
493 | return res; | |
494 | } else if (strncmp(buf, "select=", 7) == 0) { | |
495 | int res = select_wiphy(sc, buf + 7); | |
496 | if (res < 0) | |
497 | return res; | |
498 | } else if (strncmp(buf, "schedule=", 9) == 0) { | |
499 | int res = schedule_wiphy(sc, buf + 9); | |
500 | if (res < 0) | |
501 | return res; | |
502 | } else | |
503 | return -EOPNOTSUPP; | |
504 | ||
505 | return count; | |
506 | } | |
507 | ||
508 | static const struct file_operations fops_wiphy = { | |
509 | .read = read_file_wiphy, | |
510 | .write = write_file_wiphy, | |
511 | .open = ath9k_debugfs_open, | |
512 | .owner = THIS_MODULE | |
513 | }; | |
514 | ||
fec247c0 S |
515 | #define PR(str, elem) \ |
516 | do { \ | |
517 | len += snprintf(buf + len, size - len, \ | |
518 | "%s%13u%11u%10u%10u\n", str, \ | |
519 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \ | |
520 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \ | |
521 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \ | |
522 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \ | |
523 | } while(0) | |
524 | ||
525 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, | |
526 | size_t count, loff_t *ppos) | |
527 | { | |
528 | struct ath_softc *sc = file->private_data; | |
529 | char *buf; | |
530 | unsigned int len = 0, size = 2048; | |
531 | ssize_t retval = 0; | |
532 | ||
533 | buf = kzalloc(size, GFP_KERNEL); | |
534 | if (buf == NULL) | |
535 | return 0; | |
536 | ||
537 | len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); | |
538 | ||
539 | PR("MPDUs Queued: ", queued); | |
540 | PR("MPDUs Completed: ", completed); | |
541 | PR("Aggregates: ", a_aggr); | |
542 | PR("AMPDUs Queued: ", a_queued); | |
543 | PR("AMPDUs Completed:", a_completed); | |
544 | PR("AMPDUs Retried: ", a_retries); | |
545 | PR("AMPDUs XRetried: ", a_xretries); | |
546 | PR("FIFO Underrun: ", fifo_underrun); | |
547 | PR("TXOP Exceeded: ", xtxop); | |
548 | PR("TXTIMER Expiry: ", timer_exp); | |
549 | PR("DESC CFG Error: ", desc_cfg_err); | |
550 | PR("DATA Underrun: ", data_underrun); | |
551 | PR("DELIM Underrun: ", delim_underrun); | |
552 | ||
553 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
554 | kfree(buf); | |
555 | ||
556 | return retval; | |
557 | } | |
558 | ||
559 | void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq, | |
560 | struct ath_buf *bf) | |
561 | { | |
562 | struct ath_desc *ds = bf->bf_desc; | |
563 | ||
564 | if (bf_isampdu(bf)) { | |
565 | if (bf_isxretried(bf)) | |
566 | TX_STAT_INC(txq->axq_qnum, a_xretries); | |
567 | else | |
568 | TX_STAT_INC(txq->axq_qnum, a_completed); | |
569 | } else { | |
570 | TX_STAT_INC(txq->axq_qnum, completed); | |
571 | } | |
572 | ||
573 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO) | |
574 | TX_STAT_INC(txq->axq_qnum, fifo_underrun); | |
575 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_XTXOP) | |
576 | TX_STAT_INC(txq->axq_qnum, xtxop); | |
577 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_TIMER_EXPIRED) | |
578 | TX_STAT_INC(txq->axq_qnum, timer_exp); | |
579 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DESC_CFG_ERR) | |
580 | TX_STAT_INC(txq->axq_qnum, desc_cfg_err); | |
581 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DATA_UNDERRUN) | |
582 | TX_STAT_INC(txq->axq_qnum, data_underrun); | |
583 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DELIM_UNDERRUN) | |
584 | TX_STAT_INC(txq->axq_qnum, delim_underrun); | |
585 | } | |
586 | ||
587 | static const struct file_operations fops_xmit = { | |
588 | .read = read_file_xmit, | |
589 | .open = ath9k_debugfs_open, | |
590 | .owner = THIS_MODULE | |
591 | }; | |
39d89cd3 | 592 | |
1395d3f0 S |
593 | static ssize_t read_file_recv(struct file *file, char __user *user_buf, |
594 | size_t count, loff_t *ppos) | |
595 | { | |
596 | #define PHY_ERR(s, p) \ | |
597 | len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \ | |
598 | sc->debug.stats.rxstats.phy_err_stats[p]); | |
599 | ||
600 | struct ath_softc *sc = file->private_data; | |
601 | char *buf; | |
602 | unsigned int len = 0, size = 1152; | |
603 | ssize_t retval = 0; | |
604 | ||
605 | buf = kzalloc(size, GFP_KERNEL); | |
606 | if (buf == NULL) | |
607 | return 0; | |
608 | ||
609 | len += snprintf(buf + len, size - len, | |
610 | "%18s : %10u\n", "CRC ERR", | |
611 | sc->debug.stats.rxstats.crc_err); | |
612 | len += snprintf(buf + len, size - len, | |
613 | "%18s : %10u\n", "DECRYPT CRC ERR", | |
614 | sc->debug.stats.rxstats.decrypt_crc_err); | |
615 | len += snprintf(buf + len, size - len, | |
616 | "%18s : %10u\n", "PHY ERR", | |
617 | sc->debug.stats.rxstats.phy_err); | |
618 | len += snprintf(buf + len, size - len, | |
619 | "%18s : %10u\n", "MIC ERR", | |
620 | sc->debug.stats.rxstats.mic_err); | |
621 | len += snprintf(buf + len, size - len, | |
622 | "%18s : %10u\n", "PRE-DELIM CRC ERR", | |
623 | sc->debug.stats.rxstats.pre_delim_crc_err); | |
624 | len += snprintf(buf + len, size - len, | |
625 | "%18s : %10u\n", "POST-DELIM CRC ERR", | |
626 | sc->debug.stats.rxstats.post_delim_crc_err); | |
627 | len += snprintf(buf + len, size - len, | |
628 | "%18s : %10u\n", "DECRYPT BUSY ERR", | |
629 | sc->debug.stats.rxstats.decrypt_busy_err); | |
630 | ||
631 | PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); | |
632 | PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); | |
633 | PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); | |
634 | PHY_ERR("RATE", ATH9K_PHYERR_RATE); | |
635 | PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH); | |
636 | PHY_ERR("RADAR", ATH9K_PHYERR_RADAR); | |
637 | PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE); | |
638 | PHY_ERR("TOR", ATH9K_PHYERR_TOR); | |
639 | PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING); | |
640 | PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); | |
641 | PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); | |
642 | PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); | |
643 | PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP); | |
644 | PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE); | |
645 | PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART); | |
646 | PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT); | |
647 | PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING); | |
648 | PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC); | |
649 | PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL); | |
650 | PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE); | |
651 | PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART); | |
652 | PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); | |
653 | PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP); | |
654 | PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR); | |
655 | PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); | |
656 | PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL); | |
657 | ||
658 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
659 | kfree(buf); | |
660 | ||
661 | return retval; | |
662 | ||
663 | #undef PHY_ERR | |
664 | } | |
665 | ||
666 | void ath_debug_stat_rx(struct ath_softc *sc, struct ath_buf *bf) | |
667 | { | |
668 | #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ | |
669 | #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ | |
670 | ||
671 | struct ath_desc *ds = bf->bf_desc; | |
672 | u32 phyerr; | |
673 | ||
674 | if (ds->ds_rxstat.rs_status & ATH9K_RXERR_CRC) | |
675 | RX_STAT_INC(crc_err); | |
676 | if (ds->ds_rxstat.rs_status & ATH9K_RXERR_DECRYPT) | |
677 | RX_STAT_INC(decrypt_crc_err); | |
678 | if (ds->ds_rxstat.rs_status & ATH9K_RXERR_MIC) | |
679 | RX_STAT_INC(mic_err); | |
680 | if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_PRE) | |
681 | RX_STAT_INC(pre_delim_crc_err); | |
682 | if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_POST) | |
683 | RX_STAT_INC(post_delim_crc_err); | |
684 | if (ds->ds_rxstat.rs_status & ATH9K_RX_DECRYPT_BUSY) | |
685 | RX_STAT_INC(decrypt_busy_err); | |
686 | ||
687 | if (ds->ds_rxstat.rs_status & ATH9K_RXERR_PHY) { | |
688 | RX_STAT_INC(phy_err); | |
689 | phyerr = ds->ds_rxstat.rs_phyerr & 0x24; | |
690 | RX_PHY_ERR_INC(phyerr); | |
691 | } | |
692 | ||
693 | #undef RX_STAT_INC | |
694 | #undef RX_PHY_ERR_INC | |
695 | } | |
696 | ||
697 | static const struct file_operations fops_recv = { | |
698 | .read = read_file_recv, | |
699 | .open = ath9k_debugfs_open, | |
700 | .owner = THIS_MODULE | |
701 | }; | |
702 | ||
4d6b228d | 703 | int ath9k_init_debug(struct ath_hw *ah) |
88b126af | 704 | { |
bc974f4a LR |
705 | struct ath_common *common = ath9k_hw_common(ah); |
706 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 707 | |
7dd58748 S |
708 | if (!ath9k_debugfs_root) |
709 | return -ENOENT; | |
710 | ||
17d7904d | 711 | sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), |
19d8bc22 | 712 | ath9k_debugfs_root); |
17d7904d | 713 | if (!sc->debug.debugfs_phy) |
826d2680 S |
714 | goto err; |
715 | ||
a830df07 | 716 | #ifdef CONFIG_ATH_DEBUG |
2493928e | 717 | sc->debug.debugfs_debug = debugfs_create_file("debug", |
9d49e861 | 718 | S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug); |
2493928e JH |
719 | if (!sc->debug.debugfs_debug) |
720 | goto err; | |
a830df07 | 721 | #endif |
2493928e | 722 | |
9d49e861 | 723 | sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR, |
17d7904d S |
724 | sc->debug.debugfs_phy, sc, &fops_dma); |
725 | if (!sc->debug.debugfs_dma) | |
2a163c6d S |
726 | goto err; |
727 | ||
17d7904d | 728 | sc->debug.debugfs_interrupt = debugfs_create_file("interrupt", |
9d49e861 | 729 | S_IRUSR, |
17d7904d | 730 | sc->debug.debugfs_phy, |
817e11de | 731 | sc, &fops_interrupt); |
17d7904d | 732 | if (!sc->debug.debugfs_interrupt) |
817e11de S |
733 | goto err; |
734 | ||
17d7904d | 735 | sc->debug.debugfs_rcstat = debugfs_create_file("rcstat", |
9d49e861 | 736 | S_IRUSR, |
17d7904d | 737 | sc->debug.debugfs_phy, |
7a7dec65 | 738 | sc, &fops_rcstat); |
17d7904d | 739 | if (!sc->debug.debugfs_rcstat) |
7a7dec65 S |
740 | goto err; |
741 | ||
39d89cd3 | 742 | sc->debug.debugfs_wiphy = debugfs_create_file( |
9d49e861 | 743 | "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, |
39d89cd3 JM |
744 | &fops_wiphy); |
745 | if (!sc->debug.debugfs_wiphy) | |
746 | goto err; | |
747 | ||
fec247c0 S |
748 | sc->debug.debugfs_xmit = debugfs_create_file("xmit", |
749 | S_IRUSR, | |
750 | sc->debug.debugfs_phy, | |
751 | sc, &fops_xmit); | |
752 | if (!sc->debug.debugfs_xmit) | |
753 | goto err; | |
754 | ||
1395d3f0 S |
755 | sc->debug.debugfs_recv = debugfs_create_file("recv", |
756 | S_IRUSR, | |
757 | sc->debug.debugfs_phy, | |
758 | sc, &fops_recv); | |
759 | if (!sc->debug.debugfs_recv) | |
760 | goto err; | |
761 | ||
826d2680 S |
762 | return 0; |
763 | err: | |
4d6b228d | 764 | ath9k_exit_debug(ah); |
826d2680 S |
765 | return -ENOMEM; |
766 | } | |
767 | ||
4d6b228d | 768 | void ath9k_exit_debug(struct ath_hw *ah) |
826d2680 | 769 | { |
bc974f4a LR |
770 | struct ath_common *common = ath9k_hw_common(ah); |
771 | struct ath_softc *sc = (struct ath_softc *) common->priv; | |
4d6b228d | 772 | |
1395d3f0 | 773 | debugfs_remove(sc->debug.debugfs_recv); |
fec247c0 | 774 | debugfs_remove(sc->debug.debugfs_xmit); |
39d89cd3 | 775 | debugfs_remove(sc->debug.debugfs_wiphy); |
17d7904d S |
776 | debugfs_remove(sc->debug.debugfs_rcstat); |
777 | debugfs_remove(sc->debug.debugfs_interrupt); | |
778 | debugfs_remove(sc->debug.debugfs_dma); | |
2493928e | 779 | debugfs_remove(sc->debug.debugfs_debug); |
17d7904d | 780 | debugfs_remove(sc->debug.debugfs_phy); |
19d8bc22 GJ |
781 | } |
782 | ||
783 | int ath9k_debug_create_root(void) | |
784 | { | |
785 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
786 | if (!ath9k_debugfs_root) | |
787 | return -ENOENT; | |
788 | ||
789 | return 0; | |
790 | } | |
791 | ||
792 | void ath9k_debug_remove_root(void) | |
793 | { | |
794 | debugfs_remove(ath9k_debugfs_root); | |
795 | ath9k_debugfs_root = NULL; | |
88b126af | 796 | } |