1 /*
2 * Copyright (c) 2010-2011 Atheros Communications Inc.
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
17 #include "htc.h"
18
read_file_tgt_int_stats(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)19 static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf,
20 size_t count, loff_t *ppos)
21 {
22 struct ath9k_htc_priv *priv = file->private_data;
23 struct ath9k_htc_target_int_stats cmd_rsp;
24 char buf[512];
25 unsigned int len = 0;
26 int ret = 0;
27
28 memset(&cmd_rsp, 0, sizeof(cmd_rsp));
29
30 ath9k_htc_ps_wakeup(priv);
31
32 WMI_CMD(WMI_INT_STATS_CMDID);
33 if (ret) {
34 ath9k_htc_ps_restore(priv);
35 return -EINVAL;
36 }
37
38 ath9k_htc_ps_restore(priv);
39
40 len += scnprintf(buf + len, sizeof(buf) - len,
41 "%20s : %10u\n", "RX",
42 be32_to_cpu(cmd_rsp.rx));
43
44 len += scnprintf(buf + len, sizeof(buf) - len,
45 "%20s : %10u\n", "RXORN",
46 be32_to_cpu(cmd_rsp.rxorn));
47
48 len += scnprintf(buf + len, sizeof(buf) - len,
49 "%20s : %10u\n", "RXEOL",
50 be32_to_cpu(cmd_rsp.rxeol));
51
52 len += scnprintf(buf + len, sizeof(buf) - len,
53 "%20s : %10u\n", "TXURN",
54 be32_to_cpu(cmd_rsp.txurn));
55
56 len += scnprintf(buf + len, sizeof(buf) - len,
57 "%20s : %10u\n", "TXTO",
58 be32_to_cpu(cmd_rsp.txto));
59
60 len += scnprintf(buf + len, sizeof(buf) - len,
61 "%20s : %10u\n", "CST",
62 be32_to_cpu(cmd_rsp.cst));
63
64 if (len > sizeof(buf))
65 len = sizeof(buf);
66
67 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
68 }
69
70 static const struct file_operations fops_tgt_int_stats = {
71 .read = read_file_tgt_int_stats,
72 .open = simple_open,
73 .owner = THIS_MODULE,
74 .llseek = default_llseek,
75 };
76
read_file_tgt_tx_stats(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)77 static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf,
78 size_t count, loff_t *ppos)
79 {
80 struct ath9k_htc_priv *priv = file->private_data;
81 struct ath9k_htc_target_tx_stats cmd_rsp;
82 char buf[512];
83 unsigned int len = 0;
84 int ret = 0;
85
86 memset(&cmd_rsp, 0, sizeof(cmd_rsp));
87
88 ath9k_htc_ps_wakeup(priv);
89
90 WMI_CMD(WMI_TX_STATS_CMDID);
91 if (ret) {
92 ath9k_htc_ps_restore(priv);
93 return -EINVAL;
94 }
95
96 ath9k_htc_ps_restore(priv);
97
98 len += scnprintf(buf + len, sizeof(buf) - len,
99 "%20s : %10u\n", "Xretries",
100 be32_to_cpu(cmd_rsp.xretries));
101
102 len += scnprintf(buf + len, sizeof(buf) - len,
103 "%20s : %10u\n", "FifoErr",
104 be32_to_cpu(cmd_rsp.fifoerr));
105
106 len += scnprintf(buf + len, sizeof(buf) - len,
107 "%20s : %10u\n", "Filtered",
108 be32_to_cpu(cmd_rsp.filtered));
109
110 len += scnprintf(buf + len, sizeof(buf) - len,
111 "%20s : %10u\n", "TimerExp",
112 be32_to_cpu(cmd_rsp.timer_exp));
113
114 len += scnprintf(buf + len, sizeof(buf) - len,
115 "%20s : %10u\n", "ShortRetries",
116 be32_to_cpu(cmd_rsp.shortretries));
117
118 len += scnprintf(buf + len, sizeof(buf) - len,
119 "%20s : %10u\n", "LongRetries",
120 be32_to_cpu(cmd_rsp.longretries));
121
122 len += scnprintf(buf + len, sizeof(buf) - len,
123 "%20s : %10u\n", "QueueNull",
124 be32_to_cpu(cmd_rsp.qnull));
125
126 len += scnprintf(buf + len, sizeof(buf) - len,
127 "%20s : %10u\n", "EncapFail",
128 be32_to_cpu(cmd_rsp.encap_fail));
129
130 len += scnprintf(buf + len, sizeof(buf) - len,
131 "%20s : %10u\n", "NoBuf",
132 be32_to_cpu(cmd_rsp.nobuf));
133
134 if (len > sizeof(buf))
135 len = sizeof(buf);
136
137 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
138 }
139
140 static const struct file_operations fops_tgt_tx_stats = {
141 .read = read_file_tgt_tx_stats,
142 .open = simple_open,
143 .owner = THIS_MODULE,
144 .llseek = default_llseek,
145 };
146
read_file_tgt_rx_stats(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)147 static ssize_t read_file_tgt_rx_stats(struct file *file, char __user *user_buf,
148 size_t count, loff_t *ppos)
149 {
150 struct ath9k_htc_priv *priv = file->private_data;
151 struct ath9k_htc_target_rx_stats cmd_rsp;
152 char buf[512];
153 unsigned int len = 0;
154 int ret = 0;
155
156 memset(&cmd_rsp, 0, sizeof(cmd_rsp));
157
158 ath9k_htc_ps_wakeup(priv);
159
160 WMI_CMD(WMI_RX_STATS_CMDID);
161 if (ret) {
162 ath9k_htc_ps_restore(priv);
163 return -EINVAL;
164 }
165
166 ath9k_htc_ps_restore(priv);
167
168 len += scnprintf(buf + len, sizeof(buf) - len,
169 "%20s : %10u\n", "NoBuf",
170 be32_to_cpu(cmd_rsp.nobuf));
171
172 len += scnprintf(buf + len, sizeof(buf) - len,
173 "%20s : %10u\n", "HostSend",
174 be32_to_cpu(cmd_rsp.host_send));
175
176 len += scnprintf(buf + len, sizeof(buf) - len,
177 "%20s : %10u\n", "HostDone",
178 be32_to_cpu(cmd_rsp.host_done));
179
180 if (len > sizeof(buf))
181 len = sizeof(buf);
182
183 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
184 }
185
186 static const struct file_operations fops_tgt_rx_stats = {
187 .read = read_file_tgt_rx_stats,
188 .open = simple_open,
189 .owner = THIS_MODULE,
190 .llseek = default_llseek,
191 };
192
read_file_xmit(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)193 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
194 size_t count, loff_t *ppos)
195 {
196 struct ath9k_htc_priv *priv = file->private_data;
197 char buf[512];
198 unsigned int len = 0;
199
200 len += scnprintf(buf + len, sizeof(buf) - len,
201 "%20s : %10u\n", "Buffers queued",
202 priv->debug.tx_stats.buf_queued);
203 len += scnprintf(buf + len, sizeof(buf) - len,
204 "%20s : %10u\n", "Buffers completed",
205 priv->debug.tx_stats.buf_completed);
206 len += scnprintf(buf + len, sizeof(buf) - len,
207 "%20s : %10u\n", "SKBs queued",
208 priv->debug.tx_stats.skb_queued);
209 len += scnprintf(buf + len, sizeof(buf) - len,
210 "%20s : %10u\n", "SKBs success",
211 priv->debug.tx_stats.skb_success);
212 len += scnprintf(buf + len, sizeof(buf) - len,
213 "%20s : %10u\n", "SKBs failed",
214 priv->debug.tx_stats.skb_failed);
215 len += scnprintf(buf + len, sizeof(buf) - len,
216 "%20s : %10u\n", "CAB queued",
217 priv->debug.tx_stats.cab_queued);
218
219 len += scnprintf(buf + len, sizeof(buf) - len,
220 "%20s : %10u\n", "BE queued",
221 priv->debug.tx_stats.queue_stats[IEEE80211_AC_BE]);
222 len += scnprintf(buf + len, sizeof(buf) - len,
223 "%20s : %10u\n", "BK queued",
224 priv->debug.tx_stats.queue_stats[IEEE80211_AC_BK]);
225 len += scnprintf(buf + len, sizeof(buf) - len,
226 "%20s : %10u\n", "VI queued",
227 priv->debug.tx_stats.queue_stats[IEEE80211_AC_VI]);
228 len += scnprintf(buf + len, sizeof(buf) - len,
229 "%20s : %10u\n", "VO queued",
230 priv->debug.tx_stats.queue_stats[IEEE80211_AC_VO]);
231
232 if (len > sizeof(buf))
233 len = sizeof(buf);
234
235 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
236 }
237
238 static const struct file_operations fops_xmit = {
239 .read = read_file_xmit,
240 .open = simple_open,
241 .owner = THIS_MODULE,
242 .llseek = default_llseek,
243 };
244
ath9k_htc_err_stat_rx(struct ath9k_htc_priv * priv,struct ath_rx_status * rs)245 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
246 struct ath_rx_status *rs)
247 {
248 ath9k_cmn_debug_stat_rx(&priv->debug.rx_stats, rs);
249 }
250
read_file_skb_rx(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)251 static ssize_t read_file_skb_rx(struct file *file, char __user *user_buf,
252 size_t count, loff_t *ppos)
253 {
254 struct ath9k_htc_priv *priv = file->private_data;
255 char *buf;
256 unsigned int len = 0, size = 1500;
257 ssize_t retval = 0;
258
259 buf = kzalloc(size, GFP_KERNEL);
260 if (buf == NULL)
261 return -ENOMEM;
262
263 len += scnprintf(buf + len, size - len,
264 "%20s : %10u\n", "SKBs allocated",
265 priv->debug.skbrx_stats.skb_allocated);
266 len += scnprintf(buf + len, size - len,
267 "%20s : %10u\n", "SKBs completed",
268 priv->debug.skbrx_stats.skb_completed);
269 len += scnprintf(buf + len, size - len,
270 "%20s : %10u\n", "SKBs Dropped",
271 priv->debug.skbrx_stats.skb_dropped);
272
273 if (len > size)
274 len = size;
275
276 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
277 kfree(buf);
278
279 return retval;
280 }
281
282 static const struct file_operations fops_skb_rx = {
283 .read = read_file_skb_rx,
284 .open = simple_open,
285 .owner = THIS_MODULE,
286 .llseek = default_llseek,
287 };
288
read_file_slot(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)289 static ssize_t read_file_slot(struct file *file, char __user *user_buf,
290 size_t count, loff_t *ppos)
291 {
292 struct ath9k_htc_priv *priv = file->private_data;
293 char buf[512];
294 unsigned int len;
295
296 spin_lock_bh(&priv->tx.tx_lock);
297 len = scnprintf(buf, sizeof(buf),
298 "TX slot bitmap : %*pb\n"
299 "Used slots : %d\n",
300 MAX_TX_BUF_NUM, priv->tx.tx_slot,
301 bitmap_weight(priv->tx.tx_slot, MAX_TX_BUF_NUM));
302 spin_unlock_bh(&priv->tx.tx_lock);
303 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
304 }
305
306 static const struct file_operations fops_slot = {
307 .read = read_file_slot,
308 .open = simple_open,
309 .owner = THIS_MODULE,
310 .llseek = default_llseek,
311 };
312
read_file_queue(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)313 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
314 size_t count, loff_t *ppos)
315 {
316 struct ath9k_htc_priv *priv = file->private_data;
317 char buf[512];
318 unsigned int len = 0;
319
320 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
321 "Mgmt endpoint", skb_queue_len(&priv->tx.mgmt_ep_queue));
322
323 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
324 "Cab endpoint", skb_queue_len(&priv->tx.cab_ep_queue));
325
326 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
327 "Data BE endpoint", skb_queue_len(&priv->tx.data_be_queue));
328
329 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
330 "Data BK endpoint", skb_queue_len(&priv->tx.data_bk_queue));
331
332 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
333 "Data VI endpoint", skb_queue_len(&priv->tx.data_vi_queue));
334
335 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
336 "Data VO endpoint", skb_queue_len(&priv->tx.data_vo_queue));
337
338 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
339 "Failed queue", skb_queue_len(&priv->tx.tx_failed));
340
341 spin_lock_bh(&priv->tx.tx_lock);
342 len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
343 "Queued count", priv->tx.queued_cnt);
344 spin_unlock_bh(&priv->tx.tx_lock);
345
346 if (len > sizeof(buf))
347 len = sizeof(buf);
348
349 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
350
351 }
352
353 static const struct file_operations fops_queue = {
354 .read = read_file_queue,
355 .open = simple_open,
356 .owner = THIS_MODULE,
357 .llseek = default_llseek,
358 };
359
read_file_debug(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)360 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
361 size_t count, loff_t *ppos)
362 {
363 struct ath9k_htc_priv *priv = file->private_data;
364 struct ath_common *common = ath9k_hw_common(priv->ah);
365 char buf[32];
366 unsigned int len;
367
368 len = sprintf(buf, "0x%08x\n", common->debug_mask);
369 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
370 }
371
write_file_debug(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)372 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
373 size_t count, loff_t *ppos)
374 {
375 struct ath9k_htc_priv *priv = file->private_data;
376 struct ath_common *common = ath9k_hw_common(priv->ah);
377 unsigned long mask;
378 char buf[32];
379 ssize_t len;
380
381 len = min(count, sizeof(buf) - 1);
382 if (copy_from_user(buf, user_buf, len))
383 return -EFAULT;
384
385 buf[len] = '\0';
386 if (kstrtoul(buf, 0, &mask))
387 return -EINVAL;
388
389 common->debug_mask = mask;
390 return count;
391 }
392
393 static const struct file_operations fops_debug = {
394 .read = read_file_debug,
395 .write = write_file_debug,
396 .open = simple_open,
397 .owner = THIS_MODULE,
398 .llseek = default_llseek,
399 };
400
401 /* Ethtool support for get-stats */
402 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
403 static const char ath9k_htc_gstrings_stats[][ETH_GSTRING_LEN] = {
404 "tx_pkts_nic",
405 "tx_bytes_nic",
406 "rx_pkts_nic",
407 "rx_bytes_nic",
408
409 AMKSTR(d_tx_pkts),
410
411 "d_rx_crc_err",
412 "d_rx_decrypt_crc_err",
413 "d_rx_phy_err",
414 "d_rx_mic_err",
415 "d_rx_pre_delim_crc_err",
416 "d_rx_post_delim_crc_err",
417 "d_rx_decrypt_busy_err",
418
419 "d_rx_phyerr_radar",
420 "d_rx_phyerr_ofdm_timing",
421 "d_rx_phyerr_cck_timing",
422
423 };
424 #define ATH9K_HTC_SSTATS_LEN ARRAY_SIZE(ath9k_htc_gstrings_stats)
425
ath9k_htc_get_et_strings(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 sset,u8 * data)426 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
427 struct ieee80211_vif *vif,
428 u32 sset, u8 *data)
429 {
430 if (sset == ETH_SS_STATS)
431 memcpy(data, *ath9k_htc_gstrings_stats,
432 sizeof(ath9k_htc_gstrings_stats));
433 }
434
ath9k_htc_get_et_sset_count(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int sset)435 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
436 struct ieee80211_vif *vif, int sset)
437 {
438 if (sset == ETH_SS_STATS)
439 return ATH9K_HTC_SSTATS_LEN;
440 return 0;
441 }
442
443 #define STXBASE priv->debug.tx_stats
444 #define SRXBASE priv->debug.rx_stats
445 #define SKBTXBASE priv->debug.tx_stats
446 #define SKBRXBASE priv->debug.skbrx_stats
447 #define ASTXQ(a) \
448 data[i++] = STXBASE.a[IEEE80211_AC_BE]; \
449 data[i++] = STXBASE.a[IEEE80211_AC_BK]; \
450 data[i++] = STXBASE.a[IEEE80211_AC_VI]; \
451 data[i++] = STXBASE.a[IEEE80211_AC_VO]
452
ath9k_htc_get_et_stats(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ethtool_stats * stats,u64 * data)453 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
454 struct ieee80211_vif *vif,
455 struct ethtool_stats *stats, u64 *data)
456 {
457 struct ath9k_htc_priv *priv = hw->priv;
458 int i = 0;
459
460 data[i++] = SKBTXBASE.skb_success;
461 data[i++] = SKBTXBASE.skb_success_bytes;
462 data[i++] = SKBRXBASE.skb_completed;
463 data[i++] = SKBRXBASE.skb_completed_bytes;
464
465 ASTXQ(queue_stats);
466
467 data[i++] = SRXBASE.crc_err;
468 data[i++] = SRXBASE.decrypt_crc_err;
469 data[i++] = SRXBASE.phy_err;
470 data[i++] = SRXBASE.mic_err;
471 data[i++] = SRXBASE.pre_delim_crc_err;
472 data[i++] = SRXBASE.post_delim_crc_err;
473 data[i++] = SRXBASE.decrypt_busy_err;
474
475 data[i++] = SRXBASE.phy_err_stats[ATH9K_PHYERR_RADAR];
476 data[i++] = SRXBASE.phy_err_stats[ATH9K_PHYERR_OFDM_TIMING];
477 data[i++] = SRXBASE.phy_err_stats[ATH9K_PHYERR_CCK_TIMING];
478
479 WARN_ON(i != ATH9K_HTC_SSTATS_LEN);
480 }
481
ath9k_htc_deinit_debug(struct ath9k_htc_priv * priv)482 void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv)
483 {
484 ath9k_cmn_spectral_deinit_debug(&priv->spec_priv);
485 }
486
ath9k_htc_init_debug(struct ath_hw * ah)487 int ath9k_htc_init_debug(struct ath_hw *ah)
488 {
489 struct ath_common *common = ath9k_hw_common(ah);
490 struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
491
492 priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME,
493 priv->hw->wiphy->debugfsdir);
494 if (!priv->debug.debugfs_phy)
495 return -ENOMEM;
496
497 ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy);
498
499 debugfs_create_file("tgt_int_stats", 0400, priv->debug.debugfs_phy,
500 priv, &fops_tgt_int_stats);
501 debugfs_create_file("tgt_tx_stats", 0400, priv->debug.debugfs_phy,
502 priv, &fops_tgt_tx_stats);
503 debugfs_create_file("tgt_rx_stats", 0400, priv->debug.debugfs_phy,
504 priv, &fops_tgt_rx_stats);
505 debugfs_create_file("xmit", 0400, priv->debug.debugfs_phy,
506 priv, &fops_xmit);
507 debugfs_create_file("skb_rx", 0400, priv->debug.debugfs_phy,
508 priv, &fops_skb_rx);
509
510 ath9k_cmn_debug_recv(priv->debug.debugfs_phy, &priv->debug.rx_stats);
511 ath9k_cmn_debug_phy_err(priv->debug.debugfs_phy, &priv->debug.rx_stats);
512
513 debugfs_create_file("slot", 0400, priv->debug.debugfs_phy,
514 priv, &fops_slot);
515 debugfs_create_file("queue", 0400, priv->debug.debugfs_phy,
516 priv, &fops_queue);
517 debugfs_create_file("debug", 0600, priv->debug.debugfs_phy,
518 priv, &fops_debug);
519
520 ath9k_cmn_debug_base_eeprom(priv->debug.debugfs_phy, priv->ah);
521 ath9k_cmn_debug_modal_eeprom(priv->debug.debugfs_phy, priv->ah);
522
523 return 0;
524 }
525