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 | ||
47 | static ssize_t read_file_dma(struct file *file, char __user *user_buf, | |
48 | size_t count, loff_t *ppos) | |
49 | { | |
50 | struct ath_softc *sc = file->private_data; | |
cbe61d8a | 51 | struct ath_hw *ah = sc->sc_ah; |
2a163c6d S |
52 | char buf[1024]; |
53 | unsigned int len = 0; | |
54 | u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; | |
55 | int i, qcuOffset = 0, dcuOffset = 0; | |
56 | u32 *qcuBase = &val[0], *dcuBase = &val[4]; | |
57 | ||
58 | REG_WRITE(ah, AR_MACMISC, | |
59 | ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | | |
60 | (AR_MACMISC_MISC_OBS_BUS_1 << | |
61 | AR_MACMISC_MISC_OBS_BUS_MSB_S))); | |
62 | ||
63 | len += snprintf(buf + len, sizeof(buf) - len, | |
64 | "Raw DMA Debug values:\n"); | |
65 | ||
66 | for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { | |
67 | if (i % 4 == 0) | |
68 | len += snprintf(buf + len, sizeof(buf) - len, "\n"); | |
69 | ||
70 | val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32))); | |
71 | len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ", | |
72 | i, val[i]); | |
73 | } | |
74 | ||
75 | len += snprintf(buf + len, sizeof(buf) - len, "\n\n"); | |
76 | len += snprintf(buf + len, sizeof(buf) - len, | |
77 | "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); | |
78 | ||
79 | for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { | |
80 | if (i == 8) { | |
81 | qcuOffset = 0; | |
82 | qcuBase++; | |
83 | } | |
84 | ||
85 | if (i == 6) { | |
86 | dcuOffset = 0; | |
87 | dcuBase++; | |
88 | } | |
89 | ||
90 | len += snprintf(buf + len, sizeof(buf) - len, | |
91 | "%2d %2x %1x %2x %2x\n", | |
92 | i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, | |
93 | (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), | |
94 | val[2] & (0x7 << (i * 3)) >> (i * 3), | |
95 | (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); | |
96 | } | |
97 | ||
98 | len += snprintf(buf + len, sizeof(buf) - len, "\n"); | |
99 | ||
100 | len += snprintf(buf + len, sizeof(buf) - len, | |
101 | "qcu_stitch state: %2x qcu_fetch state: %2x\n", | |
102 | (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); | |
103 | len += snprintf(buf + len, sizeof(buf) - len, | |
104 | "qcu_complete state: %2x dcu_complete state: %2x\n", | |
105 | (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); | |
106 | len += snprintf(buf + len, sizeof(buf) - len, | |
107 | "dcu_arb state: %2x dcu_fp state: %2x\n", | |
108 | (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); | |
109 | len += snprintf(buf + len, sizeof(buf) - len, | |
110 | "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", | |
111 | (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); | |
112 | len += snprintf(buf + len, sizeof(buf) - len, | |
113 | "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", | |
114 | (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); | |
115 | len += snprintf(buf + len, sizeof(buf) - len, | |
116 | "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", | |
117 | (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); | |
118 | ||
119 | len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n", | |
120 | REG_READ(ah, AR_OBS_BUS_1)); | |
121 | len += snprintf(buf + len, sizeof(buf) - len, | |
122 | "AR_CR: 0x%x \n", REG_READ(ah, AR_CR)); | |
123 | ||
124 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
125 | } | |
126 | ||
127 | static const struct file_operations fops_dma = { | |
128 | .read = read_file_dma, | |
129 | .open = ath9k_debugfs_open, | |
130 | .owner = THIS_MODULE | |
131 | }; | |
132 | ||
817e11de S |
133 | |
134 | void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) | |
135 | { | |
136 | if (status) | |
17d7904d | 137 | sc->debug.stats.istats.total++; |
817e11de | 138 | if (status & ATH9K_INT_RX) |
17d7904d | 139 | sc->debug.stats.istats.rxok++; |
817e11de | 140 | if (status & ATH9K_INT_RXEOL) |
17d7904d | 141 | sc->debug.stats.istats.rxeol++; |
817e11de | 142 | if (status & ATH9K_INT_RXORN) |
17d7904d | 143 | sc->debug.stats.istats.rxorn++; |
817e11de | 144 | if (status & ATH9K_INT_TX) |
17d7904d | 145 | sc->debug.stats.istats.txok++; |
817e11de | 146 | if (status & ATH9K_INT_TXURN) |
17d7904d | 147 | sc->debug.stats.istats.txurn++; |
817e11de | 148 | if (status & ATH9K_INT_MIB) |
17d7904d | 149 | sc->debug.stats.istats.mib++; |
817e11de | 150 | if (status & ATH9K_INT_RXPHY) |
17d7904d | 151 | sc->debug.stats.istats.rxphyerr++; |
817e11de | 152 | if (status & ATH9K_INT_RXKCM) |
17d7904d | 153 | sc->debug.stats.istats.rx_keycache_miss++; |
817e11de | 154 | if (status & ATH9K_INT_SWBA) |
17d7904d | 155 | sc->debug.stats.istats.swba++; |
817e11de | 156 | if (status & ATH9K_INT_BMISS) |
17d7904d | 157 | sc->debug.stats.istats.bmiss++; |
817e11de | 158 | if (status & ATH9K_INT_BNR) |
17d7904d | 159 | sc->debug.stats.istats.bnr++; |
817e11de | 160 | if (status & ATH9K_INT_CST) |
17d7904d | 161 | sc->debug.stats.istats.cst++; |
817e11de | 162 | if (status & ATH9K_INT_GTT) |
17d7904d | 163 | sc->debug.stats.istats.gtt++; |
817e11de | 164 | if (status & ATH9K_INT_TIM) |
17d7904d | 165 | sc->debug.stats.istats.tim++; |
817e11de | 166 | if (status & ATH9K_INT_CABEND) |
17d7904d | 167 | sc->debug.stats.istats.cabend++; |
817e11de | 168 | if (status & ATH9K_INT_DTIMSYNC) |
17d7904d | 169 | sc->debug.stats.istats.dtimsync++; |
817e11de | 170 | if (status & ATH9K_INT_DTIM) |
17d7904d | 171 | sc->debug.stats.istats.dtim++; |
817e11de S |
172 | } |
173 | ||
174 | static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, | |
175 | size_t count, loff_t *ppos) | |
176 | { | |
177 | struct ath_softc *sc = file->private_data; | |
178 | char buf[512]; | |
179 | unsigned int len = 0; | |
180 | ||
181 | len += snprintf(buf + len, sizeof(buf) - len, | |
17d7904d | 182 | "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); |
817e11de | 183 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 184 | "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); |
817e11de | 185 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 186 | "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); |
817e11de | 187 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 188 | "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); |
817e11de | 189 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 190 | "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); |
817e11de | 191 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 192 | "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); |
817e11de | 193 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 194 | "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); |
817e11de | 195 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 196 | "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); |
817e11de | 197 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 198 | "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); |
817e11de | 199 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 200 | "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); |
817e11de | 201 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 202 | "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); |
817e11de | 203 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 204 | "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); |
817e11de | 205 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 206 | "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); |
817e11de | 207 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 208 | "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); |
817e11de | 209 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 210 | "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); |
817e11de | 211 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 212 | "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); |
817e11de | 213 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 214 | "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); |
817e11de | 215 | len += snprintf(buf + len, sizeof(buf) - len, |
17d7904d | 216 | "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); |
817e11de S |
217 | |
218 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
219 | } | |
220 | ||
221 | static const struct file_operations fops_interrupt = { | |
222 | .read = read_file_interrupt, | |
223 | .open = ath9k_debugfs_open, | |
224 | .owner = THIS_MODULE | |
225 | }; | |
226 | ||
7a7dec65 S |
227 | static void ath_debug_stat_11n_rc(struct ath_softc *sc, struct sk_buff *skb) |
228 | { | |
229 | struct ath_tx_info_priv *tx_info_priv = NULL; | |
230 | struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); | |
231 | struct ieee80211_tx_rate *rates = tx_info->status.rates; | |
232 | int final_ts_idx, idx; | |
233 | ||
234 | tx_info_priv = ATH_TX_INFO_PRIV(tx_info); | |
235 | final_ts_idx = tx_info_priv->tx.ts_rateindex; | |
236 | idx = sc->cur_rate_table->info[rates[final_ts_idx].idx].dot11rate; | |
237 | ||
17d7904d | 238 | sc->debug.stats.n_rcstats[idx].success++; |
7a7dec65 S |
239 | } |
240 | ||
241 | static void ath_debug_stat_legacy_rc(struct ath_softc *sc, struct sk_buff *skb) | |
242 | { | |
243 | struct ath_tx_info_priv *tx_info_priv = NULL; | |
244 | struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); | |
245 | struct ieee80211_tx_rate *rates = tx_info->status.rates; | |
246 | int final_ts_idx, idx; | |
247 | ||
248 | tx_info_priv = ATH_TX_INFO_PRIV(tx_info); | |
249 | final_ts_idx = tx_info_priv->tx.ts_rateindex; | |
250 | idx = rates[final_ts_idx].idx; | |
251 | ||
17d7904d | 252 | sc->debug.stats.legacy_rcstats[idx].success++; |
7a7dec65 S |
253 | } |
254 | ||
255 | void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb) | |
256 | { | |
257 | if (conf_is_ht(&sc->hw->conf)) | |
258 | ath_debug_stat_11n_rc(sc, skb); | |
259 | else | |
260 | ath_debug_stat_legacy_rc(sc, skb); | |
261 | } | |
262 | ||
029bc432 S |
263 | /* FIXME: legacy rates, later on .. */ |
264 | void ath_debug_stat_retries(struct ath_softc *sc, int rix, | |
9e712790 | 265 | int xretries, int retries, u8 per) |
029bc432 S |
266 | { |
267 | if (conf_is_ht(&sc->hw->conf)) { | |
268 | int idx = sc->cur_rate_table->info[rix].dot11rate; | |
269 | ||
17d7904d S |
270 | sc->debug.stats.n_rcstats[idx].xretries += xretries; |
271 | sc->debug.stats.n_rcstats[idx].retries += retries; | |
9e712790 | 272 | sc->debug.stats.n_rcstats[idx].per = per; |
029bc432 S |
273 | } |
274 | } | |
275 | ||
7a7dec65 S |
276 | static ssize_t ath_read_file_stat_11n_rc(struct file *file, |
277 | char __user *user_buf, | |
278 | size_t count, loff_t *ppos) | |
279 | { | |
280 | struct ath_softc *sc = file->private_data; | |
029bc432 | 281 | char buf[1024]; |
7a7dec65 S |
282 | unsigned int len = 0; |
283 | int i = 0; | |
284 | ||
9e712790 S |
285 | len += sprintf(buf, "%7s %13s %8s %8s %6s\n\n", "Rate", "Success", |
286 | "Retries", "XRetries", "PER"); | |
7a7dec65 S |
287 | |
288 | for (i = 0; i <= 15; i++) { | |
289 | len += snprintf(buf + len, sizeof(buf) - len, | |
9e712790 | 290 | "%5s%3d: %8u %8u %8u %8u\n", "MCS", i, |
17d7904d S |
291 | sc->debug.stats.n_rcstats[i].success, |
292 | sc->debug.stats.n_rcstats[i].retries, | |
9e712790 S |
293 | sc->debug.stats.n_rcstats[i].xretries, |
294 | sc->debug.stats.n_rcstats[i].per); | |
7a7dec65 S |
295 | } |
296 | ||
297 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
298 | } | |
299 | ||
300 | static ssize_t ath_read_file_stat_legacy_rc(struct file *file, | |
301 | char __user *user_buf, | |
302 | size_t count, loff_t *ppos) | |
303 | { | |
304 | struct ath_softc *sc = file->private_data; | |
305 | char buf[512]; | |
306 | unsigned int len = 0; | |
307 | int i = 0; | |
308 | ||
309 | len += sprintf(buf, "%7s %13s\n\n", "Rate", "Success"); | |
310 | ||
311 | for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) { | |
312 | len += snprintf(buf + len, sizeof(buf) - len, "%5u: %12u\n", | |
313 | sc->cur_rate_table->info[i].ratekbps / 1000, | |
17d7904d | 314 | sc->debug.stats.legacy_rcstats[i].success); |
7a7dec65 S |
315 | } |
316 | ||
317 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
318 | } | |
319 | ||
320 | static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, | |
321 | size_t count, loff_t *ppos) | |
322 | { | |
323 | struct ath_softc *sc = file->private_data; | |
324 | ||
62b4fb66 S |
325 | if (sc->cur_rate_table == NULL) |
326 | return 0; | |
327 | ||
7a7dec65 S |
328 | if (conf_is_ht(&sc->hw->conf)) |
329 | return ath_read_file_stat_11n_rc(file, user_buf, count, ppos); | |
330 | else | |
331 | return ath_read_file_stat_legacy_rc(file, user_buf, count ,ppos); | |
332 | } | |
333 | ||
334 | static const struct file_operations fops_rcstat = { | |
335 | .read = read_file_rcstat, | |
336 | .open = ath9k_debugfs_open, | |
337 | .owner = THIS_MODULE | |
338 | }; | |
27abe060 | 339 | |
39d89cd3 JM |
340 | static const char * ath_wiphy_state_str(enum ath_wiphy_state state) |
341 | { | |
342 | switch (state) { | |
343 | case ATH_WIPHY_INACTIVE: | |
344 | return "INACTIVE"; | |
345 | case ATH_WIPHY_ACTIVE: | |
346 | return "ACTIVE"; | |
347 | case ATH_WIPHY_PAUSING: | |
348 | return "PAUSING"; | |
349 | case ATH_WIPHY_PAUSED: | |
350 | return "PAUSED"; | |
351 | case ATH_WIPHY_SCAN: | |
352 | return "SCAN"; | |
353 | } | |
354 | return "?"; | |
355 | } | |
356 | ||
357 | static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, | |
358 | size_t count, loff_t *ppos) | |
359 | { | |
360 | struct ath_softc *sc = file->private_data; | |
361 | char buf[512]; | |
362 | unsigned int len = 0; | |
363 | int i; | |
364 | u8 addr[ETH_ALEN]; | |
365 | ||
366 | len += snprintf(buf + len, sizeof(buf) - len, | |
367 | "primary: %s (%s chan=%d ht=%d)\n", | |
368 | wiphy_name(sc->pri_wiphy->hw->wiphy), | |
369 | ath_wiphy_state_str(sc->pri_wiphy->state), | |
370 | sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht); | |
371 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
372 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
373 | if (aphy == NULL) | |
374 | continue; | |
375 | len += snprintf(buf + len, sizeof(buf) - len, | |
376 | "secondary: %s (%s chan=%d ht=%d)\n", | |
377 | wiphy_name(aphy->hw->wiphy), | |
378 | ath_wiphy_state_str(aphy->state), | |
379 | aphy->chan_idx, aphy->chan_is_ht); | |
380 | } | |
381 | ||
382 | put_unaligned_le32(REG_READ(sc->sc_ah, AR_STA_ID0), addr); | |
383 | put_unaligned_le16(REG_READ(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); | |
384 | len += snprintf(buf + len, sizeof(buf) - len, | |
385 | "addr: %pM\n", addr); | |
386 | put_unaligned_le32(REG_READ(sc->sc_ah, AR_BSSMSKL), addr); | |
387 | put_unaligned_le16(REG_READ(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); | |
388 | len += snprintf(buf + len, sizeof(buf) - len, | |
389 | "addrmask: %pM\n", addr); | |
390 | ||
391 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
392 | } | |
393 | ||
394 | static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) | |
395 | { | |
396 | int i; | |
397 | if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) | |
398 | return sc->pri_wiphy; | |
399 | for (i = 0; i < sc->num_sec_wiphy; i++) { | |
400 | struct ath_wiphy *aphy = sc->sec_wiphy[i]; | |
401 | if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) | |
402 | return aphy; | |
403 | } | |
404 | return NULL; | |
405 | } | |
406 | ||
407 | static int del_wiphy(struct ath_softc *sc, const char *name) | |
408 | { | |
409 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
410 | if (!aphy) | |
411 | return -ENOENT; | |
412 | return ath9k_wiphy_del(aphy); | |
413 | } | |
414 | ||
415 | static int pause_wiphy(struct ath_softc *sc, const char *name) | |
416 | { | |
417 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
418 | if (!aphy) | |
419 | return -ENOENT; | |
420 | return ath9k_wiphy_pause(aphy); | |
421 | } | |
422 | ||
423 | static int unpause_wiphy(struct ath_softc *sc, const char *name) | |
424 | { | |
425 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
426 | if (!aphy) | |
427 | return -ENOENT; | |
428 | return ath9k_wiphy_unpause(aphy); | |
429 | } | |
430 | ||
431 | static int select_wiphy(struct ath_softc *sc, const char *name) | |
432 | { | |
433 | struct ath_wiphy *aphy = get_wiphy(sc, name); | |
434 | if (!aphy) | |
435 | return -ENOENT; | |
436 | return ath9k_wiphy_select(aphy); | |
437 | } | |
438 | ||
439 | static int schedule_wiphy(struct ath_softc *sc, const char *msec) | |
440 | { | |
441 | ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); | |
442 | return 0; | |
443 | } | |
444 | ||
445 | static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, | |
446 | size_t count, loff_t *ppos) | |
447 | { | |
448 | struct ath_softc *sc = file->private_data; | |
449 | char buf[50]; | |
450 | size_t len; | |
451 | ||
452 | len = min(count, sizeof(buf) - 1); | |
453 | if (copy_from_user(buf, user_buf, len)) | |
454 | return -EFAULT; | |
455 | buf[len] = '\0'; | |
456 | if (len > 0 && buf[len - 1] == '\n') | |
457 | buf[len - 1] = '\0'; | |
458 | ||
459 | if (strncmp(buf, "add", 3) == 0) { | |
460 | int res = ath9k_wiphy_add(sc); | |
461 | if (res < 0) | |
462 | return res; | |
463 | } else if (strncmp(buf, "del=", 4) == 0) { | |
464 | int res = del_wiphy(sc, buf + 4); | |
465 | if (res < 0) | |
466 | return res; | |
467 | } else if (strncmp(buf, "pause=", 6) == 0) { | |
468 | int res = pause_wiphy(sc, buf + 6); | |
469 | if (res < 0) | |
470 | return res; | |
471 | } else if (strncmp(buf, "unpause=", 8) == 0) { | |
472 | int res = unpause_wiphy(sc, buf + 8); | |
473 | if (res < 0) | |
474 | return res; | |
475 | } else if (strncmp(buf, "select=", 7) == 0) { | |
476 | int res = select_wiphy(sc, buf + 7); | |
477 | if (res < 0) | |
478 | return res; | |
479 | } else if (strncmp(buf, "schedule=", 9) == 0) { | |
480 | int res = schedule_wiphy(sc, buf + 9); | |
481 | if (res < 0) | |
482 | return res; | |
483 | } else | |
484 | return -EOPNOTSUPP; | |
485 | ||
486 | return count; | |
487 | } | |
488 | ||
489 | static const struct file_operations fops_wiphy = { | |
490 | .read = read_file_wiphy, | |
491 | .write = write_file_wiphy, | |
492 | .open = ath9k_debugfs_open, | |
493 | .owner = THIS_MODULE | |
494 | }; | |
495 | ||
496 | ||
826d2680 | 497 | int ath9k_init_debug(struct ath_softc *sc) |
88b126af | 498 | { |
17d7904d | 499 | sc->debug.debug_mask = ath9k_debug; |
826d2680 | 500 | |
17d7904d | 501 | sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), |
19d8bc22 | 502 | ath9k_debugfs_root); |
17d7904d | 503 | if (!sc->debug.debugfs_phy) |
826d2680 S |
504 | goto err; |
505 | ||
17d7904d S |
506 | sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO, |
507 | sc->debug.debugfs_phy, sc, &fops_dma); | |
508 | if (!sc->debug.debugfs_dma) | |
2a163c6d S |
509 | goto err; |
510 | ||
17d7904d | 511 | sc->debug.debugfs_interrupt = debugfs_create_file("interrupt", |
817e11de | 512 | S_IRUGO, |
17d7904d | 513 | sc->debug.debugfs_phy, |
817e11de | 514 | sc, &fops_interrupt); |
17d7904d | 515 | if (!sc->debug.debugfs_interrupt) |
817e11de S |
516 | goto err; |
517 | ||
17d7904d | 518 | sc->debug.debugfs_rcstat = debugfs_create_file("rcstat", |
7a7dec65 | 519 | S_IRUGO, |
17d7904d | 520 | sc->debug.debugfs_phy, |
7a7dec65 | 521 | sc, &fops_rcstat); |
17d7904d | 522 | if (!sc->debug.debugfs_rcstat) |
7a7dec65 S |
523 | goto err; |
524 | ||
39d89cd3 JM |
525 | sc->debug.debugfs_wiphy = debugfs_create_file( |
526 | "wiphy", S_IRUGO | S_IWUSR, sc->debug.debugfs_phy, sc, | |
527 | &fops_wiphy); | |
528 | if (!sc->debug.debugfs_wiphy) | |
529 | goto err; | |
530 | ||
826d2680 S |
531 | return 0; |
532 | err: | |
533 | ath9k_exit_debug(sc); | |
534 | return -ENOMEM; | |
535 | } | |
536 | ||
537 | void ath9k_exit_debug(struct ath_softc *sc) | |
538 | { | |
39d89cd3 | 539 | debugfs_remove(sc->debug.debugfs_wiphy); |
17d7904d S |
540 | debugfs_remove(sc->debug.debugfs_rcstat); |
541 | debugfs_remove(sc->debug.debugfs_interrupt); | |
542 | debugfs_remove(sc->debug.debugfs_dma); | |
543 | debugfs_remove(sc->debug.debugfs_phy); | |
19d8bc22 GJ |
544 | } |
545 | ||
546 | int ath9k_debug_create_root(void) | |
547 | { | |
548 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
549 | if (!ath9k_debugfs_root) | |
550 | return -ENOENT; | |
551 | ||
552 | return 0; | |
553 | } | |
554 | ||
555 | void ath9k_debug_remove_root(void) | |
556 | { | |
557 | debugfs_remove(ath9k_debugfs_root); | |
558 | ath9k_debugfs_root = NULL; | |
88b126af | 559 | } |