Commit | Line | Data |
---|---|---|
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 S |
20 | |
21 | static unsigned int ath9k_debug = DBG_DEFAULT; | |
22 | module_param_named(debug, ath9k_debug, uint, 0); | |
23 | ||
19d8bc22 GJ |
24 | static struct dentry *ath9k_debugfs_root; |
25 | ||
88b126af S |
26 | void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...) |
27 | { | |
28 | if (!sc) | |
29 | return; | |
30 | ||
17d7904d | 31 | if (sc->debug.debug_mask & dbg_mask) { |
88b126af S |
32 | va_list args; |
33 | ||
34 | va_start(args, fmt); | |
35 | printk(KERN_DEBUG "ath9k: "); | |
36 | vprintk(fmt, args); | |
37 | va_end(args); | |
38 | } | |
39 | } | |
40 | ||
2a163c6d S |
41 | static int ath9k_debugfs_open(struct inode *inode, struct file *file) |
42 | { | |
43 | file->private_data = inode->i_private; | |
44 | return 0; | |
45 | } | |
46 | ||
2493928e JH |
47 | static ssize_t read_file_debug(struct file *file, char __user *user_buf, |
48 | size_t count, loff_t *ppos) | |
49 | { | |
50 | struct ath_softc *sc = file->private_data; | |
51 | char buf[32]; | |
581f725c VT |
52 | unsigned int len; |
53 | ||
54 | len = snprintf(buf, sizeof(buf), "0x%08x\n", sc->debug.debug_mask); | |
2493928e JH |
55 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
56 | } | |
57 | ||
58 | static ssize_t write_file_debug(struct file *file, const char __user *user_buf, | |
59 | size_t count, loff_t *ppos) | |
60 | { | |
61 | struct ath_softc *sc = file->private_data; | |
62 | unsigned long mask; | |
63 | char buf[32]; | |
581f725c VT |
64 | ssize_t len; |
65 | ||
66 | len = min(count, sizeof(buf) - 1); | |
67 | if (copy_from_user(buf, user_buf, len)) | |
68 | return -EINVAL; | |
69 | ||
70 | buf[len] = '\0'; | |
71 | if (strict_strtoul(buf, 0, &mask)) | |
72 | return -EINVAL; | |
73 | ||
74 | sc->debug.debug_mask = mask; | |
2493928e JH |
75 | return count; |
76 | } | |
77 | ||
78 | static const struct file_operations fops_debug = { | |
79 | .read = read_file_debug, | |
80 | .write = write_file_debug, | |
81 | .open = ath9k_debugfs_open, | |
82 | .owner = THIS_MODULE | |
83 | }; | |
84 | ||
2a163c6d S |
85 | static ssize_t read_file_dma(struct file *file, char __user *user_buf, |
86 | size_t count, loff_t *ppos) | |
87 | { | |
88 | struct ath_softc *sc = file->private_data; | |
cbe61d8a | 89 | struct ath_hw *ah = sc->sc_ah; |
2a163c6d S |
90 | char buf[1024]; |
91 | unsigned int len = 0; | |
92 | u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; | |
93 | int i, qcuOffset = 0, dcuOffset = 0; | |
94 | u32 *qcuBase = &val[0], *dcuBase = &val[4]; | |
95 | ||
96 | REG_WRITE(ah, AR_MACMISC, | |
97 | ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | | |
98 | (AR_MACMISC_MISC_OBS_BUS_1 << | |
99 | AR_MACMISC_MISC_OBS_BUS_MSB_S))); | |
100 | ||
101 | len += snprintf(buf + len, sizeof(buf) - len, | |
102 | "Raw DMA Debug values:\n"); | |
103 | ||
104 | for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { | |
105 | if (i % 4 == 0) | |
106 | len += snprintf(buf + len, sizeof(buf) - len, "\n"); | |
107 | ||
108 | val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32))); | |
109 | len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ", | |
110 | i, val[i]); | |
111 | } | |
112 | ||
113 | len += snprintf(buf + len, sizeof(buf) - len, "\n\n"); | |
114 | len += snprintf(buf + len, sizeof(buf) - len, | |
115 | "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); | |
116 | ||
117 | for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { | |
118 | if (i == 8) { | |
119 | qcuOffset = 0; | |
120 | qcuBase++; | |
121 | } | |
122 | ||
123 | if (i == 6) { | |
124 | dcuOffset = 0; | |
125 | dcuBase++; | |
126 | } | |
127 | ||
128 | len += snprintf(buf + len, sizeof(buf) - len, | |
129 | "%2d %2x %1x %2x %2x\n", | |
130 | i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, | |
131 | (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), | |
132 | val[2] & (0x7 << (i * 3)) >> (i * 3), | |
133 | (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); | |
134 | } | |
135 | ||
136 | len += snprintf(buf + len, sizeof(buf) - len, "\n"); | |
137 | ||
138 | len += snprintf(buf + len, sizeof(buf) - len, | |
139 | "qcu_stitch state: %2x qcu_fetch state: %2x\n", | |
140 | (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); | |
141 | len += snprintf(buf + len, sizeof(buf) - len, | |
142 | "qcu_complete state: %2x dcu_complete state: %2x\n", | |
143 | (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); | |
144 | len += snprintf(buf + len, sizeof(buf) - len, | |
145 | "dcu_arb state: %2x dcu_fp state: %2x\n", | |
146 | (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); | |
147 | len += snprintf(buf + len, sizeof(buf) - len, | |
148 | "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", | |
149 | (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); | |
150 | len += snprintf(buf + len, sizeof(buf) - len, | |
151 | "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", | |
152 | (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); | |
153 | len += snprintf(buf + len, sizeof(buf) - len, | |
154 | "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", | |
155 | (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); | |
156 | ||
157 | len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n", | |
158 | REG_READ(ah, AR_OBS_BUS_1)); | |
159 | len += snprintf(buf + len, sizeof(buf) - len, | |
160 | "AR_CR: 0x%x \n", REG_READ(ah, AR_CR)); | |
161 | ||
162 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
163 | } | |
164 | ||
165 | static const struct file_operations fops_dma = { | |
166 | .read = read_file_dma, | |
167 | .open = ath9k_debugfs_open, | |
168 | .owner = THIS_MODULE | |
169 | }; | |
170 | ||
817e11de S |
171 | |
172 | void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) | |
173 | { | |
174 | if (status) | |
17d7904d | 175 | sc->debug.stats.istats.total++; |
817e11de | 176 | if (status & ATH9K_INT_RX) |
17d7904d | 177 | sc->debug.stats.istats.rxok++; |
817e11de | 178 | if (status & ATH9K_INT_RXEOL) |
17d7904d | 179 | sc->debug.stats.istats.rxeol++; |
817e11de | 180 | if (status & ATH9K_INT_RXORN) |
17d7904d | 181 | sc->debug.stats.istats.rxorn++; |
817e11de | 182 | if (status & ATH9K_INT_TX) |
17d7904d | 183 | sc->debug.stats.istats.txok++; |
817e11de | 184 | if (status & ATH9K_INT_TXURN) |
17d7904d | 185 | sc->debug.stats.istats.txurn++; |
817e11de | 186 | if (status & ATH9K_INT_MIB) |
17d7904d | 187 | sc->debug.stats.istats.mib++; |
817e11de | 188 | if (status & ATH9K_INT_RXPHY) |
17d7904d | 189 | sc->debug.stats.istats.rxphyerr++; |
817e11de | 190 | if (status & ATH9K_INT_RXKCM) |
17d7904d | 191 | sc->debug.stats.istats.rx_keycache_miss++; |
817e11de | 192 | if (status & ATH9K_INT_SWBA) |
17d7904d | 193 | sc->debug.stats.istats.swba++; |
817e11de | 194 | if (status & ATH9K_INT_BMISS) |
17d7904d | 195 | sc->debug.stats.istats.bmiss++; |
817e11de | 196 | if (status & ATH9K_INT_BNR) |
17d7904d | 197 | sc->debug.stats.istats.bnr++; |
817e11de | 198 | if (status & ATH9K_INT_CST) |
17d7904d | 199 | sc->debug.stats.istats.cst++; |
817e11de | 200 | if (status & ATH9K_INT_GTT) |
17d7904d | 201 | sc->debug.stats.istats.gtt++; |
817e11de | 202 | if (status & ATH9K_INT_TIM) |
17d7904d | 203 | sc->debug.stats.istats.tim++; |
817e11de | 204 | if (status & ATH9K_INT_CABEND) |
17d7904d | 205 | sc->debug.stats.istats.cabend++; |
817e11de | 206 | if (status & ATH9K_INT_DTIMSYNC) |
17d7904d | 207 | sc->debug.stats.istats.dtimsync++; |
817e11de | 208 | if (status & ATH9K_INT_DTIM) |
17d7904d | 209 | sc->debug.stats.istats.dtim++; |
817e11de S |
210 | } |
211 | ||
212 | static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, | |
213 | size_t count, loff_t *ppos) | |
214 | { | |
215 | struct ath_softc *sc = file->private_data; | |
216 | char buf[512]; | |
217 | unsigned int len = 0; | |
218 | ||
219 | len += snprintf(buf + len, sizeof(buf) - len, | |
17d7904d | 220 | "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); |
817e11de | 221 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 222 | "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); |
817e11de | 223 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 224 | "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); |
817e11de | 225 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 226 | "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); |
817e11de | 227 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 228 | "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); |
817e11de | 229 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 230 | "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); |
817e11de | 231 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 232 | "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); |
817e11de | 233 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 234 | "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); |
817e11de | 235 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 236 | "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); |
817e11de | 237 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 238 | "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); |
817e11de | 239 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 240 | "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); |
817e11de | 241 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 242 | "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); |
817e11de | 243 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 244 | "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); |
817e11de | 245 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 246 | "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); |
817e11de | 247 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 248 | "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); |
817e11de | 249 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 250 | "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); |
817e11de | 251 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 252 | "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); |
817e11de | 253 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 254 | "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); |
817e11de S |
255 | |
256 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
257 | } | |
258 | ||
259 | static const struct file_operations fops_interrupt = { | |
260 | .read = read_file_interrupt, | |
261 | .open = ath9k_debugfs_open, | |
262 | .owner = THIS_MODULE | |
263 | }; | |
264 | ||
bedf087a | 265 | void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb) |
7a7dec65 S |
266 | { |
267 | struct ath_tx_info_priv *tx_info_priv = NULL; | |
268 | struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); | |
269 | struct ieee80211_tx_rate *rates = tx_info->status.rates; | |
270 | int final_ts_idx, idx; | |
bedf087a | 271 | struct ath_rc_stats *stats; |
7a7dec65 S |
272 | |
273 | tx_info_priv = ATH_TX_INFO_PRIV(tx_info); | |
274 | final_ts_idx = tx_info_priv->tx.ts_rateindex; | |
275 | idx = rates[final_ts_idx].idx; | |
bedf087a JH |
276 | stats = &sc->debug.stats.rcstats[idx]; |
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 | |
bedf087a JH |
302 | max = 80 + sc->cur_rate_table->rate_cnt * 64; |
303 | buf = kmalloc(max + 1, GFP_KERNEL); | |
304 | if (buf == NULL) | |
305 | return 0; | |
306 | buf[max] = 0; | |
7a7dec65 | 307 | |
bedf087a JH |
308 | len += sprintf(buf, "%5s %15s %8s %9s %3s\n\n", "Rate", "Success", |
309 | "Retries", "XRetries", "PER"); | |
7a7dec65 S |
310 | |
311 | for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) { | |
bedf087a JH |
312 | u32 ratekbps = sc->cur_rate_table->info[i].ratekbps; |
313 | struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i]; | |
314 | ||
315 | len += snprintf(buf + len, max - len, | |
316 | "%3u.%d: %8u %8u %8u %8u\n", ratekbps / 1000, | |
317 | (ratekbps % 1000) / 100, stats->success, | |
318 | stats->retries, stats->xretries, | |
319 | stats->per); | |
7a7dec65 S |
320 | } |
321 | ||
bedf087a JH |
322 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
323 | kfree(buf); | |
324 | return retval; | |
7a7dec65 S |
325 | } |
326 | ||
327 | static const struct file_operations fops_rcstat = { | |
328 | .read = read_file_rcstat, | |
329 | .open = ath9k_debugfs_open, | |
330 | .owner = THIS_MODULE | |
331 | }; | |
27abe060 | 332 | |
39d89cd3 JM |
333 | static const char * ath_wiphy_state_str(enum ath_wiphy_state state) |
334 | { | |
335 | switch (state) { | |
336 | case ATH_WIPHY_INACTIVE: | |
337 | return "INACTIVE"; | |
338 | case ATH_WIPHY_ACTIVE: | |
339 | return "ACTIVE"; | |
340 | case ATH_WIPHY_PAUSING: | |
341 | return "PAUSING"; | |
342 | case ATH_WIPHY_PAUSED: | |
343 | return "PAUSED"; | |
344 | case ATH_WIPHY_SCAN: | |
345 | return "SCAN"; | |
346 | } | |
347 | return "?"; | |
348 | } | |
349 | ||
350 | static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, | |
351 | size_t count, loff_t *ppos) | |
352 | { | |
353 | struct ath_softc *sc = file->private_data; | |
354 | char buf[512]; | |
355 | unsigned int len = 0; | |
356 | int i; | |
357 | u8 addr[ETH_ALEN]; | |
358 | ||
359 | len += snprintf(buf + len, sizeof(buf) - len, | |
360 | "primary: %s (%s chan=%d ht=%d)\n", | |
361 | wiphy_name(sc->pri_wiphy->hw->wiphy), | |
362 | ath_wiphy_state_str(sc->pri_wiphy->state), | |
363 | sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht); | |
364 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
365 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
366 | if (aphy == NULL) | |
367 | continue; | |
368 | len += snprintf(buf + len, sizeof(buf) - len, | |
369 | "secondary: %s (%s chan=%d ht=%d)\n", | |
370 | wiphy_name(aphy->hw->wiphy), | |
371 | ath_wiphy_state_str(aphy->state), | |
372 | aphy->chan_idx, aphy->chan_is_ht); | |
373 | } | |
374 | ||
375 | put_unaligned_le32(REG_READ(sc->sc_ah, AR_STA_ID0), addr); | |
376 | put_unaligned_le16(REG_READ(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); | |
377 | len += snprintf(buf + len, sizeof(buf) - len, | |
378 | "addr: %pM\n", addr); | |
379 | put_unaligned_le32(REG_READ(sc->sc_ah, AR_BSSMSKL), addr); | |
380 | put_unaligned_le16(REG_READ(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); | |
381 | len += snprintf(buf + len, sizeof(buf) - len, | |
382 | "addrmask: %pM\n", addr); | |
383 | ||
384 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
385 | } | |
386 | ||
387 | static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) | |
388 | { | |
389 | int i; | |
390 | if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) | |
391 | return sc->pri_wiphy; | |
392 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
393 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
394 | if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) | |
395 | return aphy; | |
396 | } | |
397 | return NULL; | |
398 | } | |
399 | ||
400 | static int del_wiphy(struct ath_softc *sc, const char *name) | |
401 | { | |
402 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
403 | if (!aphy) | |
404 | return -ENOENT; | |
405 | return ath9k_wiphy_del(aphy); | |
406 | } | |
407 | ||
408 | static int pause_wiphy(struct ath_softc *sc, const char *name) | |
409 | { | |
410 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
411 | if (!aphy) | |
412 | return -ENOENT; | |
413 | return ath9k_wiphy_pause(aphy); | |
414 | } | |
415 | ||
416 | static int unpause_wiphy(struct ath_softc *sc, const char *name) | |
417 | { | |
418 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
419 | if (!aphy) | |
420 | return -ENOENT; | |
421 | return ath9k_wiphy_unpause(aphy); | |
422 | } | |
423 | ||
424 | static int select_wiphy(struct ath_softc *sc, const char *name) | |
425 | { | |
426 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
427 | if (!aphy) | |
428 | return -ENOENT; | |
429 | return ath9k_wiphy_select(aphy); | |
430 | } | |
431 | ||
432 | static int schedule_wiphy(struct ath_softc *sc, const char *msec) | |
433 | { | |
434 | ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); | |
435 | return 0; | |
436 | } | |
437 | ||
438 | static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, | |
439 | size_t count, loff_t *ppos) | |
440 | { | |
441 | struct ath_softc *sc = file->private_data; | |
442 | char buf[50]; | |
443 | size_t len; | |
444 | ||
445 | len = min(count, sizeof(buf) - 1); | |
446 | if (copy_from_user(buf, user_buf, len)) | |
447 | return -EFAULT; | |
448 | buf[len] = '\0'; | |
449 | if (len > 0 && buf[len - 1] == '\n') | |
450 | buf[len - 1] = '\0'; | |
451 | ||
452 | if (strncmp(buf, "add", 3) == 0) { | |
453 | int res = ath9k_wiphy_add(sc); | |
454 | if (res < 0) | |
455 | return res; | |
456 | } else if (strncmp(buf, "del=", 4) == 0) { | |
457 | int res = del_wiphy(sc, buf + 4); | |
458 | if (res < 0) | |
459 | return res; | |
460 | } else if (strncmp(buf, "pause=", 6) == 0) { | |
461 | int res = pause_wiphy(sc, buf + 6); | |
462 | if (res < 0) | |
463 | return res; | |
464 | } else if (strncmp(buf, "unpause=", 8) == 0) { | |
465 | int res = unpause_wiphy(sc, buf + 8); | |
466 | if (res < 0) | |
467 | return res; | |
468 | } else if (strncmp(buf, "select=", 7) == 0) { | |
469 | int res = select_wiphy(sc, buf + 7); | |
470 | if (res < 0) | |
471 | return res; | |
472 | } else if (strncmp(buf, "schedule=", 9) == 0) { | |
473 | int res = schedule_wiphy(sc, buf + 9); | |
474 | if (res < 0) | |
475 | return res; | |
476 | } else | |
477 | return -EOPNOTSUPP; | |
478 | ||
479 | return count; | |
480 | } | |
481 | ||
482 | static const struct file_operations fops_wiphy = { | |
483 | .read = read_file_wiphy, | |
484 | .write = write_file_wiphy, | |
485 | .open = ath9k_debugfs_open, | |
486 | .owner = THIS_MODULE | |
487 | }; | |
488 | ||
fec247c0 S |
489 | #define PR(str, elem) \ |
490 | do { \ | |
491 | len += snprintf(buf + len, size - len, \ | |
492 | "%s%13u%11u%10u%10u\n", str, \ | |
493 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \ | |
494 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \ | |
495 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \ | |
496 | sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \ | |
497 | } while(0) | |
498 | ||
499 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, | |
500 | size_t count, loff_t *ppos) | |
501 | { | |
502 | struct ath_softc *sc = file->private_data; | |
503 | char *buf; | |
504 | unsigned int len = 0, size = 2048; | |
505 | ssize_t retval = 0; | |
506 | ||
507 | buf = kzalloc(size, GFP_KERNEL); | |
508 | if (buf == NULL) | |
509 | return 0; | |
510 | ||
511 | len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); | |
512 | ||
513 | PR("MPDUs Queued: ", queued); | |
514 | PR("MPDUs Completed: ", completed); | |
515 | PR("Aggregates: ", a_aggr); | |
516 | PR("AMPDUs Queued: ", a_queued); | |
517 | PR("AMPDUs Completed:", a_completed); | |
518 | PR("AMPDUs Retried: ", a_retries); | |
519 | PR("AMPDUs XRetried: ", a_xretries); | |
520 | PR("FIFO Underrun: ", fifo_underrun); | |
521 | PR("TXOP Exceeded: ", xtxop); | |
522 | PR("TXTIMER Expiry: ", timer_exp); | |
523 | PR("DESC CFG Error: ", desc_cfg_err); | |
524 | PR("DATA Underrun: ", data_underrun); | |
525 | PR("DELIM Underrun: ", delim_underrun); | |
526 | ||
527 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
528 | kfree(buf); | |
529 | ||
530 | return retval; | |
531 | } | |
532 | ||
533 | void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq, | |
534 | struct ath_buf *bf) | |
535 | { | |
536 | struct ath_desc *ds = bf->bf_desc; | |
537 | ||
538 | if (bf_isampdu(bf)) { | |
539 | if (bf_isxretried(bf)) | |
540 | TX_STAT_INC(txq->axq_qnum, a_xretries); | |
541 | else | |
542 | TX_STAT_INC(txq->axq_qnum, a_completed); | |
543 | } else { | |
544 | TX_STAT_INC(txq->axq_qnum, completed); | |
545 | } | |
546 | ||
547 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO) | |
548 | TX_STAT_INC(txq->axq_qnum, fifo_underrun); | |
549 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_XTXOP) | |
550 | TX_STAT_INC(txq->axq_qnum, xtxop); | |
551 | if (ds->ds_txstat.ts_status & ATH9K_TXERR_TIMER_EXPIRED) | |
552 | TX_STAT_INC(txq->axq_qnum, timer_exp); | |
553 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DESC_CFG_ERR) | |
554 | TX_STAT_INC(txq->axq_qnum, desc_cfg_err); | |
555 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DATA_UNDERRUN) | |
556 | TX_STAT_INC(txq->axq_qnum, data_underrun); | |
557 | if (ds->ds_txstat.ts_flags & ATH9K_TX_DELIM_UNDERRUN) | |
558 | TX_STAT_INC(txq->axq_qnum, delim_underrun); | |
559 | } | |
560 | ||
561 | static const struct file_operations fops_xmit = { | |
562 | .read = read_file_xmit, | |
563 | .open = ath9k_debugfs_open, | |
564 | .owner = THIS_MODULE | |
565 | }; | |
39d89cd3 | 566 | |
826d2680 | 567 | int ath9k_init_debug(struct ath_softc *sc) |
88b126af | 568 | { |
17d7904d | 569 | sc->debug.debug_mask = ath9k_debug; |
826d2680 | 570 | |
7dd58748 S |
571 | if (!ath9k_debugfs_root) |
572 | return -ENOENT; | |
573 | ||
17d7904d | 574 | sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), |
19d8bc22 | 575 | ath9k_debugfs_root); |
17d7904d | 576 | if (!sc->debug.debugfs_phy) |
826d2680 S |
577 | goto err; |
578 | ||
2493928e | 579 | sc->debug.debugfs_debug = debugfs_create_file("debug", |
9d49e861 | 580 | S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug); |
2493928e JH |
581 | if (!sc->debug.debugfs_debug) |
582 | goto err; | |
583 | ||
9d49e861 | 584 | sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR, |
17d7904d S |
585 | sc->debug.debugfs_phy, sc, &fops_dma); |
586 | if (!sc->debug.debugfs_dma) | |
2a163c6d S |
587 | goto err; |
588 | ||
17d7904d | 589 | sc->debug.debugfs_interrupt = debugfs_create_file("interrupt", |
9d49e861 | 590 | S_IRUSR, |
17d7904d | 591 | sc->debug.debugfs_phy, |
817e11de | 592 | sc, &fops_interrupt); |
17d7904d | 593 | if (!sc->debug.debugfs_interrupt) |
817e11de S |
594 | goto err; |
595 | ||
17d7904d | 596 | sc->debug.debugfs_rcstat = debugfs_create_file("rcstat", |
9d49e861 | 597 | S_IRUSR, |
17d7904d | 598 | sc->debug.debugfs_phy, |
7a7dec65 | 599 | sc, &fops_rcstat); |
17d7904d | 600 | if (!sc->debug.debugfs_rcstat) |
7a7dec65 S |
601 | goto err; |
602 | ||
39d89cd3 | 603 | sc->debug.debugfs_wiphy = debugfs_create_file( |
9d49e861 | 604 | "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, |
39d89cd3 JM |
605 | &fops_wiphy); |
606 | if (!sc->debug.debugfs_wiphy) | |
607 | goto err; | |
608 | ||
fec247c0 S |
609 | sc->debug.debugfs_xmit = debugfs_create_file("xmit", |
610 | S_IRUSR, | |
611 | sc->debug.debugfs_phy, | |
612 | sc, &fops_xmit); | |
613 | if (!sc->debug.debugfs_xmit) | |
614 | goto err; | |
615 | ||
826d2680 S |
616 | return 0; |
617 | err: | |
618 | ath9k_exit_debug(sc); | |
619 | return -ENOMEM; | |
620 | } | |
621 | ||
622 | void ath9k_exit_debug(struct ath_softc *sc) | |
623 | { | |
fec247c0 | 624 | debugfs_remove(sc->debug.debugfs_xmit); |
39d89cd3 | 625 | debugfs_remove(sc->debug.debugfs_wiphy); |
17d7904d S |
626 | debugfs_remove(sc->debug.debugfs_rcstat); |
627 | debugfs_remove(sc->debug.debugfs_interrupt); | |
628 | debugfs_remove(sc->debug.debugfs_dma); | |
2493928e | 629 | debugfs_remove(sc->debug.debugfs_debug); |
17d7904d | 630 | debugfs_remove(sc->debug.debugfs_phy); |
19d8bc22 GJ |
631 | } |
632 | ||
633 | int ath9k_debug_create_root(void) | |
634 | { | |
635 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
636 | if (!ath9k_debugfs_root) | |
637 | return -ENOENT; | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | void ath9k_debug_remove_root(void) | |
643 | { | |
644 | debugfs_remove(ath9k_debugfs_root); | |
645 | ath9k_debugfs_root = NULL; | |
88b126af | 646 | } |