blob: 327aa28f60307a6609d6a8d8030ba9d3203c3322 [file] [log] [blame]
Sujith88b126a2008-11-28 22:19:02 +05301/*
Sujith Manoharan5b681382011-05-17 13:36:18 +05302 * Copyright (c) 2008-2011 Atheros Communications Inc.
Sujith88b126a2008-11-28 22:19:02 +05303 *
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
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090017#include <linux/slab.h>
Vasanthakumar Thiagarajan582d0062011-03-01 05:30:55 -080018#include <linux/vmalloc.h>
Gabor Juhos52103112009-03-06 09:57:39 +010019#include <asm/unaligned.h>
20
Sujith394cf0a2009-02-09 13:26:54 +053021#include "ath9k.h"
Sujith88b126a2008-11-28 22:19:02 +053022
Luis R. Rodriguez475a6e42009-09-23 23:06:59 -040023#define REG_WRITE_D(_ah, _reg, _val) \
24 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
25#define REG_READ_D(_ah, _reg) \
26 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
27
Sujith2a163c62008-11-28 22:21:08 +053028static int ath9k_debugfs_open(struct inode *inode, struct file *file)
29{
30 file->private_data = inode->i_private;
31 return 0;
32}
33
Vasanthakumar Thiagarajan582d0062011-03-01 05:30:55 -080034static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
35 size_t count, loff_t *ppos)
36{
37 u8 *buf = file->private_data;
38 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
39}
40
41static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
42{
43 vfree(file->private_data);
44 return 0;
45}
46
Felix Fietkaua830df02009-11-23 22:33:27 +010047#ifdef CONFIG_ATH_DEBUG
48
Jeff Hansen24939282009-05-27 12:48:29 +000049static ssize_t read_file_debug(struct file *file, char __user *user_buf,
50 size_t count, loff_t *ppos)
51{
52 struct ath_softc *sc = file->private_data;
Luis R. Rodriguezc46917b2009-09-13 02:42:02 -070053 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
Jeff Hansen24939282009-05-27 12:48:29 +000054 char buf[32];
Vasanthakumar Thiagarajan581f7252009-06-02 19:28:55 +053055 unsigned int len;
56
Dan Carpenter2b87f3a2010-05-14 15:24:37 +020057 len = sprintf(buf, "0x%08x\n", common->debug_mask);
Jeff Hansen24939282009-05-27 12:48:29 +000058 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
59}
60
61static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
62 size_t count, loff_t *ppos)
63{
64 struct ath_softc *sc = file->private_data;
Luis R. Rodriguezc46917b2009-09-13 02:42:02 -070065 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
Jeff Hansen24939282009-05-27 12:48:29 +000066 unsigned long mask;
67 char buf[32];
Vasanthakumar Thiagarajan581f7252009-06-02 19:28:55 +053068 ssize_t len;
69
70 len = min(count, sizeof(buf) - 1);
71 if (copy_from_user(buf, user_buf, len))
Dan Carpenter04236062010-05-14 15:25:39 +020072 return -EFAULT;
Vasanthakumar Thiagarajan581f7252009-06-02 19:28:55 +053073
74 buf[len] = '\0';
75 if (strict_strtoul(buf, 0, &mask))
76 return -EINVAL;
77
Luis R. Rodriguezc46917b2009-09-13 02:42:02 -070078 common->debug_mask = mask;
Jeff Hansen24939282009-05-27 12:48:29 +000079 return count;
80}
81
82static const struct file_operations fops_debug = {
83 .read = read_file_debug,
84 .write = write_file_debug,
85 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +020086 .owner = THIS_MODULE,
87 .llseek = default_llseek,
Jeff Hansen24939282009-05-27 12:48:29 +000088};
89
Felix Fietkaua830df02009-11-23 22:33:27 +010090#endif
91
Pavel Roskin991a0982010-01-29 17:22:26 -050092#define DMA_BUF_LEN 1024
93
Felix Fietkau15340692010-05-11 17:23:01 +020094static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
95 size_t count, loff_t *ppos)
96{
97 struct ath_softc *sc = file->private_data;
Felix Fietkau82b2d332011-09-03 01:40:23 +020098 struct ath_hw *ah = sc->sc_ah;
Felix Fietkau15340692010-05-11 17:23:01 +020099 char buf[32];
100 unsigned int len;
101
Felix Fietkau82b2d332011-09-03 01:40:23 +0200102 len = sprintf(buf, "0x%08x\n", ah->txchainmask);
Felix Fietkau15340692010-05-11 17:23:01 +0200103 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
104}
105
106static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
107 size_t count, loff_t *ppos)
108{
109 struct ath_softc *sc = file->private_data;
Felix Fietkau82b2d332011-09-03 01:40:23 +0200110 struct ath_hw *ah = sc->sc_ah;
Felix Fietkau15340692010-05-11 17:23:01 +0200111 unsigned long mask;
112 char buf[32];
113 ssize_t len;
114
115 len = min(count, sizeof(buf) - 1);
116 if (copy_from_user(buf, user_buf, len))
Dan Carpenter04236062010-05-14 15:25:39 +0200117 return -EFAULT;
Felix Fietkau15340692010-05-11 17:23:01 +0200118
119 buf[len] = '\0';
120 if (strict_strtoul(buf, 0, &mask))
121 return -EINVAL;
122
Felix Fietkau82b2d332011-09-03 01:40:23 +0200123 ah->txchainmask = mask;
124 ah->caps.tx_chainmask = mask;
Felix Fietkau15340692010-05-11 17:23:01 +0200125 return count;
126}
127
128static const struct file_operations fops_tx_chainmask = {
129 .read = read_file_tx_chainmask,
130 .write = write_file_tx_chainmask,
131 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +0200132 .owner = THIS_MODULE,
133 .llseek = default_llseek,
Felix Fietkau15340692010-05-11 17:23:01 +0200134};
135
136
137static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
138 size_t count, loff_t *ppos)
139{
140 struct ath_softc *sc = file->private_data;
Felix Fietkau82b2d332011-09-03 01:40:23 +0200141 struct ath_hw *ah = sc->sc_ah;
Felix Fietkau15340692010-05-11 17:23:01 +0200142 char buf[32];
143 unsigned int len;
144
Felix Fietkau82b2d332011-09-03 01:40:23 +0200145 len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
Felix Fietkau15340692010-05-11 17:23:01 +0200146 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
147}
148
149static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
150 size_t count, loff_t *ppos)
151{
152 struct ath_softc *sc = file->private_data;
Felix Fietkau82b2d332011-09-03 01:40:23 +0200153 struct ath_hw *ah = sc->sc_ah;
Felix Fietkau15340692010-05-11 17:23:01 +0200154 unsigned long mask;
155 char buf[32];
156 ssize_t len;
157
158 len = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, len))
Dan Carpenter04236062010-05-14 15:25:39 +0200160 return -EFAULT;
Felix Fietkau15340692010-05-11 17:23:01 +0200161
162 buf[len] = '\0';
163 if (strict_strtoul(buf, 0, &mask))
164 return -EINVAL;
165
Felix Fietkau82b2d332011-09-03 01:40:23 +0200166 ah->rxchainmask = mask;
167 ah->caps.rx_chainmask = mask;
Felix Fietkau15340692010-05-11 17:23:01 +0200168 return count;
169}
170
171static const struct file_operations fops_rx_chainmask = {
172 .read = read_file_rx_chainmask,
173 .write = write_file_rx_chainmask,
174 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +0200175 .owner = THIS_MODULE,
176 .llseek = default_llseek,
Felix Fietkau15340692010-05-11 17:23:01 +0200177};
178
Mohammed Shafi Shajakhan05c0be22011-05-26 10:56:15 +0530179static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
180 size_t count, loff_t *ppos)
181{
182 struct ath_softc *sc = file->private_data;
183 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
184 char buf[32];
185 unsigned int len;
186
187 len = sprintf(buf, "%d\n", common->disable_ani);
188 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
189}
190
191static ssize_t write_file_disable_ani(struct file *file,
192 const char __user *user_buf,
193 size_t count, loff_t *ppos)
194{
195 struct ath_softc *sc = file->private_data;
196 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
197 unsigned long disable_ani;
198 char buf[32];
199 ssize_t len;
200
201 len = min(count, sizeof(buf) - 1);
202 if (copy_from_user(buf, user_buf, len))
203 return -EFAULT;
204
205 buf[len] = '\0';
206 if (strict_strtoul(buf, 0, &disable_ani))
207 return -EINVAL;
208
209 common->disable_ani = !!disable_ani;
210
211 if (disable_ani) {
212 sc->sc_flags &= ~SC_OP_ANI_RUN;
213 del_timer_sync(&common->ani.timer);
214 } else {
215 sc->sc_flags |= SC_OP_ANI_RUN;
216 ath_start_ani(common);
217 }
218
219 return count;
220}
221
222static const struct file_operations fops_disable_ani = {
223 .read = read_file_disable_ani,
224 .write = write_file_disable_ani,
225 .open = ath9k_debugfs_open,
226 .owner = THIS_MODULE,
227 .llseek = default_llseek,
228};
Felix Fietkau15340692010-05-11 17:23:01 +0200229
Sujith2a163c62008-11-28 22:21:08 +0530230static ssize_t read_file_dma(struct file *file, char __user *user_buf,
231 size_t count, loff_t *ppos)
232{
233 struct ath_softc *sc = file->private_data;
Sujithcbe61d82009-02-09 13:27:12 +0530234 struct ath_hw *ah = sc->sc_ah;
Pavel Roskin991a0982010-01-29 17:22:26 -0500235 char *buf;
236 int retval;
Sujith2a163c62008-11-28 22:21:08 +0530237 unsigned int len = 0;
238 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
239 int i, qcuOffset = 0, dcuOffset = 0;
240 u32 *qcuBase = &val[0], *dcuBase = &val[4];
241
Pavel Roskin991a0982010-01-29 17:22:26 -0500242 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
243 if (!buf)
Dan Carpenter04236062010-05-14 15:25:39 +0200244 return -ENOMEM;
Pavel Roskin991a0982010-01-29 17:22:26 -0500245
Sujith7cf4a2e2009-08-26 11:11:57 +0530246 ath9k_ps_wakeup(sc);
247
Luis R. Rodriguez475a6e42009-09-23 23:06:59 -0400248 REG_WRITE_D(ah, AR_MACMISC,
Sujith2a163c62008-11-28 22:21:08 +0530249 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
250 (AR_MACMISC_MISC_OBS_BUS_1 <<
251 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
252
Pavel Roskin991a0982010-01-29 17:22:26 -0500253 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530254 "Raw DMA Debug values:\n");
255
256 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
257 if (i % 4 == 0)
Pavel Roskin991a0982010-01-29 17:22:26 -0500258 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
Sujith2a163c62008-11-28 22:21:08 +0530259
Luis R. Rodriguez475a6e42009-09-23 23:06:59 -0400260 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
Pavel Roskin991a0982010-01-29 17:22:26 -0500261 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
Sujith2a163c62008-11-28 22:21:08 +0530262 i, val[i]);
263 }
264
Pavel Roskin991a0982010-01-29 17:22:26 -0500265 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
266 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530267 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
268
269 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
270 if (i == 8) {
271 qcuOffset = 0;
272 qcuBase++;
273 }
274
275 if (i == 6) {
276 dcuOffset = 0;
277 dcuBase++;
278 }
279
Pavel Roskin991a0982010-01-29 17:22:26 -0500280 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530281 "%2d %2x %1x %2x %2x\n",
282 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
283 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
284 val[2] & (0x7 << (i * 3)) >> (i * 3),
285 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
286 }
287
Pavel Roskin991a0982010-01-29 17:22:26 -0500288 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
Sujith2a163c62008-11-28 22:21:08 +0530289
Pavel Roskin991a0982010-01-29 17:22:26 -0500290 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530291 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
292 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
Pavel Roskin991a0982010-01-29 17:22:26 -0500293 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530294 "qcu_complete state: %2x dcu_complete state: %2x\n",
295 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
Pavel Roskin991a0982010-01-29 17:22:26 -0500296 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530297 "dcu_arb state: %2x dcu_fp state: %2x\n",
298 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
Pavel Roskin991a0982010-01-29 17:22:26 -0500299 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530300 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
301 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
Pavel Roskin991a0982010-01-29 17:22:26 -0500302 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530303 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
304 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
Pavel Roskin991a0982010-01-29 17:22:26 -0500305 len += snprintf(buf + len, DMA_BUF_LEN - len,
Sujith2a163c62008-11-28 22:21:08 +0530306 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
307 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
308
Frans Pop60ece402010-03-24 19:46:30 +0100309 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
Luis R. Rodriguez475a6e42009-09-23 23:06:59 -0400310 REG_READ_D(ah, AR_OBS_BUS_1));
Pavel Roskin991a0982010-01-29 17:22:26 -0500311 len += snprintf(buf + len, DMA_BUF_LEN - len,
Frans Pop60ece402010-03-24 19:46:30 +0100312 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
Sujith2a163c62008-11-28 22:21:08 +0530313
Sujith7cf4a2e2009-08-26 11:11:57 +0530314 ath9k_ps_restore(sc);
315
Dan Carpenter2b87f3a2010-05-14 15:24:37 +0200316 if (len > DMA_BUF_LEN)
317 len = DMA_BUF_LEN;
318
Pavel Roskin991a0982010-01-29 17:22:26 -0500319 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
320 kfree(buf);
321 return retval;
Sujith2a163c62008-11-28 22:21:08 +0530322}
323
324static const struct file_operations fops_dma = {
325 .read = read_file_dma,
326 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +0200327 .owner = THIS_MODULE,
328 .llseek = default_llseek,
Sujith2a163c62008-11-28 22:21:08 +0530329};
330
Sujith817e11d2008-12-07 21:42:44 +0530331
332void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
333{
334 if (status)
Sujith17d79042009-02-09 13:27:03 +0530335 sc->debug.stats.istats.total++;
Luis R. Rodrigueza9616f42010-04-15 17:39:30 -0400336 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
337 if (status & ATH9K_INT_RXLP)
338 sc->debug.stats.istats.rxlp++;
339 if (status & ATH9K_INT_RXHP)
340 sc->debug.stats.istats.rxhp++;
Luis R. Rodriguez08578b82010-05-13 13:33:44 -0400341 if (status & ATH9K_INT_BB_WATCHDOG)
342 sc->debug.stats.istats.bb_watchdog++;
Luis R. Rodrigueza9616f42010-04-15 17:39:30 -0400343 } else {
344 if (status & ATH9K_INT_RX)
345 sc->debug.stats.istats.rxok++;
346 }
Sujith817e11d2008-12-07 21:42:44 +0530347 if (status & ATH9K_INT_RXEOL)
Sujith17d79042009-02-09 13:27:03 +0530348 sc->debug.stats.istats.rxeol++;
Sujith817e11d2008-12-07 21:42:44 +0530349 if (status & ATH9K_INT_RXORN)
Sujith17d79042009-02-09 13:27:03 +0530350 sc->debug.stats.istats.rxorn++;
Sujith817e11d2008-12-07 21:42:44 +0530351 if (status & ATH9K_INT_TX)
Sujith17d79042009-02-09 13:27:03 +0530352 sc->debug.stats.istats.txok++;
Sujith817e11d2008-12-07 21:42:44 +0530353 if (status & ATH9K_INT_TXURN)
Sujith17d79042009-02-09 13:27:03 +0530354 sc->debug.stats.istats.txurn++;
Sujith817e11d2008-12-07 21:42:44 +0530355 if (status & ATH9K_INT_MIB)
Sujith17d79042009-02-09 13:27:03 +0530356 sc->debug.stats.istats.mib++;
Sujith817e11d2008-12-07 21:42:44 +0530357 if (status & ATH9K_INT_RXPHY)
Sujith17d79042009-02-09 13:27:03 +0530358 sc->debug.stats.istats.rxphyerr++;
Sujith817e11d2008-12-07 21:42:44 +0530359 if (status & ATH9K_INT_RXKCM)
Sujith17d79042009-02-09 13:27:03 +0530360 sc->debug.stats.istats.rx_keycache_miss++;
Sujith817e11d2008-12-07 21:42:44 +0530361 if (status & ATH9K_INT_SWBA)
Sujith17d79042009-02-09 13:27:03 +0530362 sc->debug.stats.istats.swba++;
Sujith817e11d2008-12-07 21:42:44 +0530363 if (status & ATH9K_INT_BMISS)
Sujith17d79042009-02-09 13:27:03 +0530364 sc->debug.stats.istats.bmiss++;
Sujith817e11d2008-12-07 21:42:44 +0530365 if (status & ATH9K_INT_BNR)
Sujith17d79042009-02-09 13:27:03 +0530366 sc->debug.stats.istats.bnr++;
Sujith817e11d2008-12-07 21:42:44 +0530367 if (status & ATH9K_INT_CST)
Sujith17d79042009-02-09 13:27:03 +0530368 sc->debug.stats.istats.cst++;
Sujith817e11d2008-12-07 21:42:44 +0530369 if (status & ATH9K_INT_GTT)
Sujith17d79042009-02-09 13:27:03 +0530370 sc->debug.stats.istats.gtt++;
Sujith817e11d2008-12-07 21:42:44 +0530371 if (status & ATH9K_INT_TIM)
Sujith17d79042009-02-09 13:27:03 +0530372 sc->debug.stats.istats.tim++;
Sujith817e11d2008-12-07 21:42:44 +0530373 if (status & ATH9K_INT_CABEND)
Sujith17d79042009-02-09 13:27:03 +0530374 sc->debug.stats.istats.cabend++;
Sujith817e11d2008-12-07 21:42:44 +0530375 if (status & ATH9K_INT_DTIMSYNC)
Sujith17d79042009-02-09 13:27:03 +0530376 sc->debug.stats.istats.dtimsync++;
Sujith817e11d2008-12-07 21:42:44 +0530377 if (status & ATH9K_INT_DTIM)
Sujith17d79042009-02-09 13:27:03 +0530378 sc->debug.stats.istats.dtim++;
Mohammed Shafi Shajakhan6dde1aa2011-04-22 17:27:01 +0530379 if (status & ATH9K_INT_TSFOOR)
380 sc->debug.stats.istats.tsfoor++;
Sujith817e11d2008-12-07 21:42:44 +0530381}
382
383static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
384 size_t count, loff_t *ppos)
385{
386 struct ath_softc *sc = file->private_data;
387 char buf[512];
388 unsigned int len = 0;
389
Luis R. Rodrigueza9616f42010-04-15 17:39:30 -0400390 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
391 len += snprintf(buf + len, sizeof(buf) - len,
392 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
393 len += snprintf(buf + len, sizeof(buf) - len,
394 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
Luis R. Rodriguez08578b82010-05-13 13:33:44 -0400395 len += snprintf(buf + len, sizeof(buf) - len,
396 "%8s: %10u\n", "WATCHDOG",
397 sc->debug.stats.istats.bb_watchdog);
Luis R. Rodrigueza9616f42010-04-15 17:39:30 -0400398 } else {
399 len += snprintf(buf + len, sizeof(buf) - len,
400 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
401 }
Sujith817e11d2008-12-07 21:42:44 +0530402 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530403 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
Sujith817e11d2008-12-07 21:42:44 +0530404 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530405 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
Sujith817e11d2008-12-07 21:42:44 +0530406 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530407 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
Sujith817e11d2008-12-07 21:42:44 +0530408 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530409 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
Sujith817e11d2008-12-07 21:42:44 +0530410 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530411 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
Sujith817e11d2008-12-07 21:42:44 +0530412 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530413 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
Sujith817e11d2008-12-07 21:42:44 +0530414 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530415 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
Sujith817e11d2008-12-07 21:42:44 +0530416 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530417 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
Sujith817e11d2008-12-07 21:42:44 +0530418 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530419 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
Sujith817e11d2008-12-07 21:42:44 +0530420 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530421 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
Sujith817e11d2008-12-07 21:42:44 +0530422 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530423 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
Sujith817e11d2008-12-07 21:42:44 +0530424 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530425 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
Sujith817e11d2008-12-07 21:42:44 +0530426 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530427 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
Sujith817e11d2008-12-07 21:42:44 +0530428 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530429 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
Sujith817e11d2008-12-07 21:42:44 +0530430 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530431 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
Sujith817e11d2008-12-07 21:42:44 +0530432 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530433 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
Sujith817e11d2008-12-07 21:42:44 +0530434 len += snprintf(buf + len, sizeof(buf) - len,
Mohammed Shafi Shajakhan6dde1aa2011-04-22 17:27:01 +0530435 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
436 len += snprintf(buf + len, sizeof(buf) - len,
Sujith17d79042009-02-09 13:27:03 +0530437 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
Sujith817e11d2008-12-07 21:42:44 +0530438
Mohammed Shafi Shajakhan6dde1aa2011-04-22 17:27:01 +0530439
Dan Carpenter2b87f3a2010-05-14 15:24:37 +0200440 if (len > sizeof(buf))
441 len = sizeof(buf);
442
Sujith817e11d2008-12-07 21:42:44 +0530443 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
444}
445
446static const struct file_operations fops_interrupt = {
447 .read = read_file_interrupt,
448 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +0200449 .owner = THIS_MODULE,
450 .llseek = default_llseek,
Sujith817e11d2008-12-07 21:42:44 +0530451};
452
Ben Greear4e6975f2011-01-31 10:37:36 -0800453static const char *channel_type_str(enum nl80211_channel_type t)
454{
455 switch (t) {
456 case NL80211_CHAN_NO_HT:
457 return "no ht";
458 case NL80211_CHAN_HT20:
459 return "ht20";
460 case NL80211_CHAN_HT40MINUS:
461 return "ht40-";
462 case NL80211_CHAN_HT40PLUS:
463 return "ht40+";
464 default:
465 return "???";
466 }
467}
468
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200469static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
470 size_t count, loff_t *ppos)
471{
472 struct ath_softc *sc = file->private_data;
Felix Fietkau34302392011-01-24 19:23:15 +0100473 struct ieee80211_channel *chan = sc->hw->conf.channel;
Ben Greear4e6975f2011-01-31 10:37:36 -0800474 struct ieee80211_conf *conf = &(sc->hw->conf);
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200475 char buf[512];
476 unsigned int len = 0;
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200477 u8 addr[ETH_ALEN];
Ben Greear39057512010-09-14 12:46:04 -0700478 u32 tmp;
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200479
480 len += snprintf(buf + len, sizeof(buf) - len,
Ben Greear4e6975f2011-01-31 10:37:36 -0800481 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n",
Felix Fietkau34302392011-01-24 19:23:15 +0100482 wiphy_name(sc->hw->wiphy),
Mohammed Shafi Shajakhan8e0167a2010-10-01 15:25:05 +0530483 ieee80211_frequency_to_channel(chan->center_freq),
Ben Greear4e6975f2011-01-31 10:37:36 -0800484 chan->center_freq,
485 conf->channel_type,
486 channel_type_str(conf->channel_type));
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200487
Mohammed Shafi Shajakhanc6e38c02011-05-18 17:56:00 +0530488 ath9k_ps_wakeup(sc);
Luis R. Rodriguez475a6e42009-09-23 23:06:59 -0400489 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
490 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200491 len += snprintf(buf + len, sizeof(buf) - len,
492 "addr: %pM\n", addr);
Luis R. Rodriguez475a6e42009-09-23 23:06:59 -0400493 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
494 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200495 len += snprintf(buf + len, sizeof(buf) - len,
496 "addrmask: %pM\n", addr);
Ben Greear39057512010-09-14 12:46:04 -0700497 tmp = ath9k_hw_getrxfilter(sc->sc_ah);
Rajkumar Manoharan79d2b152011-05-16 18:23:23 +0530498 ath9k_ps_restore(sc);
Ben Greear39057512010-09-14 12:46:04 -0700499 len += snprintf(buf + len, sizeof(buf) - len,
500 "rfilt: 0x%x", tmp);
501 if (tmp & ATH9K_RX_FILTER_UCAST)
502 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
503 if (tmp & ATH9K_RX_FILTER_MCAST)
504 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
505 if (tmp & ATH9K_RX_FILTER_BCAST)
506 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
507 if (tmp & ATH9K_RX_FILTER_CONTROL)
508 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
509 if (tmp & ATH9K_RX_FILTER_BEACON)
510 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
511 if (tmp & ATH9K_RX_FILTER_PROM)
512 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
513 if (tmp & ATH9K_RX_FILTER_PROBEREQ)
514 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
515 if (tmp & ATH9K_RX_FILTER_PHYERR)
516 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
517 if (tmp & ATH9K_RX_FILTER_MYBEACON)
518 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
519 if (tmp & ATH9K_RX_FILTER_COMP_BAR)
520 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
521 if (tmp & ATH9K_RX_FILTER_PSPOLL)
522 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
523 if (tmp & ATH9K_RX_FILTER_PHYRADAR)
524 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
525 if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
Felix Fietkau030d6292011-10-07 02:28:13 +0200526 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
527
528 len += snprintf(buf + len, sizeof(buf) - len,
529 "\n\nReset causes:\n"
530 " baseband hang: %d\n"
531 " baseband watchdog: %d\n"
532 " fatal hardware error interrupt: %d\n"
533 " tx hardware error: %d\n"
534 " tx path hang: %d\n"
535 " pll rx hang: %d\n",
536 sc->debug.stats.reset[RESET_TYPE_BB_HANG],
537 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG],
538 sc->debug.stats.reset[RESET_TYPE_FATAL_INT],
539 sc->debug.stats.reset[RESET_TYPE_TX_ERROR],
540 sc->debug.stats.reset[RESET_TYPE_TX_HANG],
541 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200542
Dan Carpenter2b87f3a2010-05-14 15:24:37 +0200543 if (len > sizeof(buf))
544 len = sizeof(buf);
545
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200546 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
547}
548
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200549static const struct file_operations fops_wiphy = {
550 .read = read_file_wiphy,
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200551 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +0200552 .owner = THIS_MODULE,
553 .llseek = default_llseek,
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200554};
555
Felix Fietkau5bec3e52011-01-24 21:29:25 +0100556#define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
Sujithfec247c2009-07-27 12:08:16 +0530557#define PR(str, elem) \
558 do { \
559 len += snprintf(buf + len, size - len, \
560 "%s%13u%11u%10u%10u\n", str, \
Felix Fietkau5bec3e52011-01-24 21:29:25 +0100561 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
562 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
563 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
564 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
Ben Greear7f010c92011-01-09 23:11:49 -0800565 if (len >= size) \
566 goto done; \
Sujithfec247c2009-07-27 12:08:16 +0530567} while(0)
568
Ben Greear1f427dd2011-01-09 23:11:43 -0800569#define PRX(str, elem) \
570do { \
571 len += snprintf(buf + len, size - len, \
572 "%s%13u%11u%10u%10u\n", str, \
Felix Fietkau5bec3e52011-01-24 21:29:25 +0100573 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \
574 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \
575 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \
576 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \
Ben Greear7f010c92011-01-09 23:11:49 -0800577 if (len >= size) \
578 goto done; \
Ben Greear1f427dd2011-01-09 23:11:43 -0800579} while(0)
580
Ben Greear2dac4fb2011-01-09 23:11:45 -0800581#define PRQLE(str, elem) \
582do { \
583 len += snprintf(buf + len, size - len, \
584 "%s%13i%11i%10i%10i\n", str, \
Felix Fietkau5bec3e52011-01-24 21:29:25 +0100585 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \
586 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \
587 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \
588 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \
Ben Greear7f010c92011-01-09 23:11:49 -0800589 if (len >= size) \
590 goto done; \
Ben Greear2dac4fb2011-01-09 23:11:45 -0800591} while (0)
592
Sujithfec247c2009-07-27 12:08:16 +0530593static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
594 size_t count, loff_t *ppos)
595{
596 struct ath_softc *sc = file->private_data;
597 char *buf;
Ben Greear7f010c92011-01-09 23:11:49 -0800598 unsigned int len = 0, size = 8000;
Ben Greear2dac4fb2011-01-09 23:11:45 -0800599 int i;
Sujithfec247c2009-07-27 12:08:16 +0530600 ssize_t retval = 0;
Ben Greear2dac4fb2011-01-09 23:11:45 -0800601 char tmp[32];
Sujithfec247c2009-07-27 12:08:16 +0530602
603 buf = kzalloc(size, GFP_KERNEL);
604 if (buf == NULL)
Dan Carpenter04236062010-05-14 15:25:39 +0200605 return -ENOMEM;
Sujithfec247c2009-07-27 12:08:16 +0530606
Ben Greear60f2d1d2011-01-09 23:11:52 -0800607 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x"
608 " poll-work-seen: %u\n"
Ben Greear7f010c92011-01-09 23:11:49 -0800609 "%30s %10s%10s%10s\n\n",
610 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
Ben Greear60f2d1d2011-01-09 23:11:52 -0800611 sc->tx_complete_poll_work_seen,
Ben Greear7f010c92011-01-09 23:11:49 -0800612 "BE", "BK", "VI", "VO");
Sujithfec247c2009-07-27 12:08:16 +0530613
614 PR("MPDUs Queued: ", queued);
615 PR("MPDUs Completed: ", completed);
Felix Fietkau5a6f78a2011-05-31 21:21:41 +0200616 PR("MPDUs XRetried: ", xretries);
Sujithfec247c2009-07-27 12:08:16 +0530617 PR("Aggregates: ", a_aggr);
Ben Greearbda8add2011-01-09 23:11:48 -0800618 PR("AMPDUs Queued HW:", a_queued_hw);
619 PR("AMPDUs Queued SW:", a_queued_sw);
Sujithfec247c2009-07-27 12:08:16 +0530620 PR("AMPDUs Completed:", a_completed);
621 PR("AMPDUs Retried: ", a_retries);
622 PR("AMPDUs XRetried: ", a_xretries);
623 PR("FIFO Underrun: ", fifo_underrun);
624 PR("TXOP Exceeded: ", xtxop);
625 PR("TXTIMER Expiry: ", timer_exp);
626 PR("DESC CFG Error: ", desc_cfg_err);
627 PR("DATA Underrun: ", data_underrun);
628 PR("DELIM Underrun: ", delim_underrun);
Ben Greear99c15bf2010-10-01 12:26:30 -0700629 PR("TX-Pkts-All: ", tx_pkts_all);
630 PR("TX-Bytes-All: ", tx_bytes_all);
Ben Greear2dac4fb2011-01-09 23:11:45 -0800631 PR("hw-put-tx-buf: ", puttxbuf);
632 PR("hw-tx-start: ", txstart);
633 PR("hw-tx-proc-desc: ", txprocdesc);
Ben Greear7f010c92011-01-09 23:11:49 -0800634 len += snprintf(buf + len, size - len,
635 "%s%11p%11p%10p%10p\n", "txq-memory-address:",
Ben Greeardb7889c2011-03-03 16:25:59 -0800636 sc->tx.txq_map[WME_AC_BE],
637 sc->tx.txq_map[WME_AC_BK],
638 sc->tx.txq_map[WME_AC_VI],
639 sc->tx.txq_map[WME_AC_VO]);
Ben Greear7f010c92011-01-09 23:11:49 -0800640 if (len >= size)
641 goto done;
Sujithfec247c2009-07-27 12:08:16 +0530642
Ben Greear1f427dd2011-01-09 23:11:43 -0800643 PRX("axq-qnum: ", axq_qnum);
644 PRX("axq-depth: ", axq_depth);
Ben Greear2dac4fb2011-01-09 23:11:45 -0800645 PRX("axq-ampdu_depth: ", axq_ampdu_depth);
Ben Greear1f427dd2011-01-09 23:11:43 -0800646 PRX("axq-stopped ", stopped);
647 PRX("tx-in-progress ", axq_tx_inprogress);
648 PRX("pending-frames ", pending_frames);
Ben Greear2dac4fb2011-01-09 23:11:45 -0800649 PRX("txq_headidx: ", txq_headidx);
650 PRX("txq_tailidx: ", txq_headidx);
Ben Greear1f427dd2011-01-09 23:11:43 -0800651
Ben Greear2dac4fb2011-01-09 23:11:45 -0800652 PRQLE("axq_q empty: ", axq_q);
653 PRQLE("axq_acq empty: ", axq_acq);
Ben Greear2dac4fb2011-01-09 23:11:45 -0800654 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
655 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
656 PRQLE(tmp, txq_fifo[i]);
657 }
Ben Greear7f010c92011-01-09 23:11:49 -0800658
Ben Greear71e025a2011-01-09 23:11:50 -0800659 /* Print out more detailed queue-info */
660 for (i = 0; i <= WME_AC_BK; i++) {
661 struct ath_txq *txq = &(sc->tx.txq[i]);
662 struct ath_atx_ac *ac;
663 struct ath_atx_tid *tid;
664 if (len >= size)
665 goto done;
666 spin_lock_bh(&txq->axq_lock);
667 if (!list_empty(&txq->axq_acq)) {
668 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
669 list);
670 len += snprintf(buf + len, size - len,
671 "txq[%i] first-ac: %p sched: %i\n",
672 i, ac, ac->sched);
673 if (list_empty(&ac->tid_q) || (len >= size))
674 goto done_for;
675 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
676 list);
677 len += snprintf(buf + len, size - len,
678 " first-tid: %p sched: %i paused: %i\n",
679 tid, tid->sched, tid->paused);
680 }
681 done_for:
682 spin_unlock_bh(&txq->axq_lock);
683 }
684
Ben Greear7f010c92011-01-09 23:11:49 -0800685done:
686 if (len > size)
687 len = size;
688
689 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
690 kfree(buf);
691
692 return retval;
693}
694
695static ssize_t read_file_stations(struct file *file, char __user *user_buf,
696 size_t count, loff_t *ppos)
697{
698 struct ath_softc *sc = file->private_data;
699 char *buf;
700 unsigned int len = 0, size = 64000;
701 struct ath_node *an = NULL;
702 ssize_t retval = 0;
703 int q;
704
705 buf = kzalloc(size, GFP_KERNEL);
706 if (buf == NULL)
707 return -ENOMEM;
708
709 len += snprintf(buf + len, size - len,
710 "Stations:\n"
711 " tid: addr sched paused buf_q-empty an ac\n"
712 " ac: addr sched tid_q-empty txq\n");
713
714 spin_lock(&sc->nodes_lock);
715 list_for_each_entry(an, &sc->nodes, list) {
716 len += snprintf(buf + len, size - len,
717 "%pM\n", an->sta->addr);
718 if (len >= size)
719 goto done;
720
721 for (q = 0; q < WME_NUM_TID; q++) {
722 struct ath_atx_tid *tid = &(an->tid[q]);
723 len += snprintf(buf + len, size - len,
724 " tid: %p %s %s %i %p %p\n",
725 tid, tid->sched ? "sched" : "idle",
726 tid->paused ? "paused" : "running",
Felix Fietkau56dc6332011-08-28 00:32:22 +0200727 skb_queue_empty(&tid->buf_q),
Ben Greear7f010c92011-01-09 23:11:49 -0800728 tid->an, tid->ac);
729 if (len >= size)
730 goto done;
731 }
732
733 for (q = 0; q < WME_NUM_AC; q++) {
734 struct ath_atx_ac *ac = &(an->ac[q]);
735 len += snprintf(buf + len, size - len,
736 " ac: %p %s %i %p\n",
737 ac, ac->sched ? "sched" : "idle",
738 list_empty(&ac->tid_q), ac->txq);
739 if (len >= size)
740 goto done;
741 }
742 }
743
744done:
745 spin_unlock(&sc->nodes_lock);
Dan Carpenter2b87f3a2010-05-14 15:24:37 +0200746 if (len > size)
747 len = size;
748
Sujithfec247c2009-07-27 12:08:16 +0530749 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
750 kfree(buf);
751
752 return retval;
753}
754
Ben Greear55f6d0f2011-01-17 11:54:50 -0800755static ssize_t read_file_misc(struct file *file, char __user *user_buf,
756 size_t count, loff_t *ppos)
757{
758 struct ath_softc *sc = file->private_data;
759 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
760 struct ath_hw *ah = sc->sc_ah;
761 struct ieee80211_hw *hw = sc->hw;
762 char *buf;
763 unsigned int len = 0, size = 8000;
764 ssize_t retval = 0;
Ben Greear55f6d0f2011-01-17 11:54:50 -0800765 unsigned int reg;
766 struct ath9k_vif_iter_data iter_data;
767
768 ath9k_calculate_iter_data(hw, NULL, &iter_data);
769
770 buf = kzalloc(size, GFP_KERNEL);
771 if (buf == NULL)
772 return -ENOMEM;
773
Rajkumar Manoharan79d2b152011-05-16 18:23:23 +0530774 ath9k_ps_wakeup(sc);
Ben Greear55f6d0f2011-01-17 11:54:50 -0800775 len += snprintf(buf + len, size - len,
776 "curbssid: %pM\n"
777 "OP-Mode: %s(%i)\n"
778 "Beacon-Timer-Register: 0x%x\n",
779 common->curbssid,
Pavel Roskin21ec4892011-07-15 19:06:46 -0400780 ath_opmode_to_string(sc->sc_ah->opmode),
781 (int)(sc->sc_ah->opmode),
Ben Greear55f6d0f2011-01-17 11:54:50 -0800782 REG_READ(ah, AR_BEACON_PERIOD));
783
784 reg = REG_READ(ah, AR_TIMER_MODE);
Rajkumar Manoharan79d2b152011-05-16 18:23:23 +0530785 ath9k_ps_restore(sc);
Ben Greear55f6d0f2011-01-17 11:54:50 -0800786 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
787 reg);
788 if (reg & AR_TBTT_TIMER_EN)
789 len += snprintf(buf + len, size - len, "TBTT ");
790 if (reg & AR_DBA_TIMER_EN)
791 len += snprintf(buf + len, size - len, "DBA ");
792 if (reg & AR_SWBA_TIMER_EN)
793 len += snprintf(buf + len, size - len, "SWBA ");
794 if (reg & AR_HCF_TIMER_EN)
795 len += snprintf(buf + len, size - len, "HCF ");
796 if (reg & AR_TIM_TIMER_EN)
797 len += snprintf(buf + len, size - len, "TIM ");
798 if (reg & AR_DTIM_TIMER_EN)
799 len += snprintf(buf + len, size - len, "DTIM ");
800 len += snprintf(buf + len, size - len, ")\n");
801
802 reg = sc->sc_ah->imask;
803 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
804 if (reg & ATH9K_INT_SWBA)
805 len += snprintf(buf + len, size - len, "SWBA ");
806 if (reg & ATH9K_INT_BMISS)
807 len += snprintf(buf + len, size - len, "BMISS ");
808 if (reg & ATH9K_INT_CST)
809 len += snprintf(buf + len, size - len, "CST ");
810 if (reg & ATH9K_INT_RX)
811 len += snprintf(buf + len, size - len, "RX ");
812 if (reg & ATH9K_INT_RXHP)
813 len += snprintf(buf + len, size - len, "RXHP ");
814 if (reg & ATH9K_INT_RXLP)
815 len += snprintf(buf + len, size - len, "RXLP ");
816 if (reg & ATH9K_INT_BB_WATCHDOG)
817 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
818 /* there are other IRQs if one wanted to add them. */
819 len += snprintf(buf + len, size - len, ")\n");
820
821 len += snprintf(buf + len, size - len,
822 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
823 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
824 iter_data.naps, iter_data.nstations, iter_data.nmeshes,
825 iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
826 sc->nvifs, sc->nbcnvifs);
827
828 len += snprintf(buf + len, size - len,
829 "Calculated-BSSID-Mask: %pM\n",
830 iter_data.mask);
831
832 if (len > size)
833 len = size;
834
835 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
836 kfree(buf);
837
838 return retval;
839}
840
Felix Fietkau066dae92010-11-07 14:59:39 +0100841void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
Felix Fietkau55797b12011-09-14 21:24:16 +0200842 struct ath_tx_status *ts, struct ath_txq *txq,
843 unsigned int flags)
Sujithfec247c2009-07-27 12:08:16 +0530844{
Rajkumar Manoharancf3af742011-08-27 16:17:47 +0530845#define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
846 [sc->debug.tsidx].c)
Felix Fietkau5bec3e52011-01-24 21:29:25 +0100847 int qnum = txq->axq_qnum;
Felix Fietkau066dae92010-11-07 14:59:39 +0100848
849 TX_STAT_INC(qnum, tx_pkts_all);
850 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
Ben Greear99c15bf2010-10-01 12:26:30 -0700851
Sujithfec247c2009-07-27 12:08:16 +0530852 if (bf_isampdu(bf)) {
Felix Fietkau55797b12011-09-14 21:24:16 +0200853 if (flags & ATH_TX_BAR)
Felix Fietkau066dae92010-11-07 14:59:39 +0100854 TX_STAT_INC(qnum, a_xretries);
Sujithfec247c2009-07-27 12:08:16 +0530855 else
Felix Fietkau066dae92010-11-07 14:59:39 +0100856 TX_STAT_INC(qnum, a_completed);
Sujithfec247c2009-07-27 12:08:16 +0530857 } else {
Felix Fietkau55797b12011-09-14 21:24:16 +0200858 if (ts->ts_status & ATH9K_TXERR_XRETRY)
Felix Fietkau5a6f78a2011-05-31 21:21:41 +0200859 TX_STAT_INC(qnum, xretries);
860 else
861 TX_STAT_INC(qnum, completed);
Sujithfec247c2009-07-27 12:08:16 +0530862 }
863
Felix Fietkaudb1a0522010-03-29 20:07:11 -0700864 if (ts->ts_status & ATH9K_TXERR_FIFO)
Felix Fietkau066dae92010-11-07 14:59:39 +0100865 TX_STAT_INC(qnum, fifo_underrun);
Felix Fietkaudb1a0522010-03-29 20:07:11 -0700866 if (ts->ts_status & ATH9K_TXERR_XTXOP)
Felix Fietkau066dae92010-11-07 14:59:39 +0100867 TX_STAT_INC(qnum, xtxop);
Felix Fietkaudb1a0522010-03-29 20:07:11 -0700868 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
Felix Fietkau066dae92010-11-07 14:59:39 +0100869 TX_STAT_INC(qnum, timer_exp);
Felix Fietkaudb1a0522010-03-29 20:07:11 -0700870 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
Felix Fietkau066dae92010-11-07 14:59:39 +0100871 TX_STAT_INC(qnum, desc_cfg_err);
Felix Fietkaudb1a0522010-03-29 20:07:11 -0700872 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
Felix Fietkau066dae92010-11-07 14:59:39 +0100873 TX_STAT_INC(qnum, data_underrun);
Felix Fietkaudb1a0522010-03-29 20:07:11 -0700874 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
Felix Fietkau066dae92010-11-07 14:59:39 +0100875 TX_STAT_INC(qnum, delim_underrun);
Rajkumar Manoharancf3af742011-08-27 16:17:47 +0530876
877 spin_lock(&sc->debug.samp_lock);
878 TX_SAMP_DBG(jiffies) = jiffies;
879 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
880 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
881 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
882 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
883 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
884 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
885 TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
886 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
887 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
888 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
889 TX_SAMP_DBG(rssi) = ts->ts_rssi;
890 TX_SAMP_DBG(tid) = ts->tid;
891 TX_SAMP_DBG(qid) = ts->qid;
Mohammed Shafi Shajakhan129321802011-09-21 14:22:49 +0530892
893 if (ts->ts_flags & ATH9K_TX_BA) {
894 TX_SAMP_DBG(ba_low) = ts->ba_low;
895 TX_SAMP_DBG(ba_high) = ts->ba_high;
896 } else {
897 TX_SAMP_DBG(ba_low) = 0;
898 TX_SAMP_DBG(ba_high) = 0;
899 }
900
Rajkumar Manoharancf3af742011-08-27 16:17:47 +0530901 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
902 spin_unlock(&sc->debug.samp_lock);
903
904#undef TX_SAMP_DBG
Sujithfec247c2009-07-27 12:08:16 +0530905}
906
907static const struct file_operations fops_xmit = {
908 .read = read_file_xmit,
909 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +0200910 .owner = THIS_MODULE,
911 .llseek = default_llseek,
Sujithfec247c2009-07-27 12:08:16 +0530912};
Jouni Malinen39d89cd2009-03-03 19:23:40 +0200913
Ben Greear7f010c92011-01-09 23:11:49 -0800914static const struct file_operations fops_stations = {
915 .read = read_file_stations,
916 .open = ath9k_debugfs_open,
917 .owner = THIS_MODULE,
918 .llseek = default_llseek,
919};
920
Ben Greear55f6d0f2011-01-17 11:54:50 -0800921static const struct file_operations fops_misc = {
922 .read = read_file_misc,
923 .open = ath9k_debugfs_open,
924 .owner = THIS_MODULE,
925 .llseek = default_llseek,
926};
927
Sujith1395d3f2010-01-08 10:36:11 +0530928static ssize_t read_file_recv(struct file *file, char __user *user_buf,
929 size_t count, loff_t *ppos)
930{
931#define PHY_ERR(s, p) \
932 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
933 sc->debug.stats.rxstats.phy_err_stats[p]);
934
935 struct ath_softc *sc = file->private_data;
936 char *buf;
Senthil Balasubramanian7d755412011-04-08 15:30:34 +0530937 unsigned int len = 0, size = 1400;
Sujith1395d3f2010-01-08 10:36:11 +0530938 ssize_t retval = 0;
939
940 buf = kzalloc(size, GFP_KERNEL);
941 if (buf == NULL)
Dan Carpenter04236062010-05-14 15:25:39 +0200942 return -ENOMEM;
Sujith1395d3f2010-01-08 10:36:11 +0530943
944 len += snprintf(buf + len, size - len,
945 "%18s : %10u\n", "CRC ERR",
946 sc->debug.stats.rxstats.crc_err);
947 len += snprintf(buf + len, size - len,
948 "%18s : %10u\n", "DECRYPT CRC ERR",
949 sc->debug.stats.rxstats.decrypt_crc_err);
950 len += snprintf(buf + len, size - len,
951 "%18s : %10u\n", "PHY ERR",
952 sc->debug.stats.rxstats.phy_err);
953 len += snprintf(buf + len, size - len,
954 "%18s : %10u\n", "MIC ERR",
955 sc->debug.stats.rxstats.mic_err);
956 len += snprintf(buf + len, size - len,
957 "%18s : %10u\n", "PRE-DELIM CRC ERR",
958 sc->debug.stats.rxstats.pre_delim_crc_err);
959 len += snprintf(buf + len, size - len,
960 "%18s : %10u\n", "POST-DELIM CRC ERR",
961 sc->debug.stats.rxstats.post_delim_crc_err);
962 len += snprintf(buf + len, size - len,
963 "%18s : %10u\n", "DECRYPT BUSY ERR",
964 sc->debug.stats.rxstats.decrypt_busy_err);
965
Senthil Balasubramanian7d755412011-04-08 15:30:34 +0530966 len += snprintf(buf + len, size - len,
967 "%18s : %10d\n", "RSSI-CTL0",
968 sc->debug.stats.rxstats.rs_rssi_ctl0);
969
970 len += snprintf(buf + len, size - len,
971 "%18s : %10d\n", "RSSI-CTL1",
972 sc->debug.stats.rxstats.rs_rssi_ctl1);
973
974 len += snprintf(buf + len, size - len,
975 "%18s : %10d\n", "RSSI-CTL2",
976 sc->debug.stats.rxstats.rs_rssi_ctl2);
977
978 len += snprintf(buf + len, size - len,
979 "%18s : %10d\n", "RSSI-EXT0",
980 sc->debug.stats.rxstats.rs_rssi_ext0);
981
982 len += snprintf(buf + len, size - len,
983 "%18s : %10d\n", "RSSI-EXT1",
984 sc->debug.stats.rxstats.rs_rssi_ext1);
985
986 len += snprintf(buf + len, size - len,
987 "%18s : %10d\n", "RSSI-EXT2",
988 sc->debug.stats.rxstats.rs_rssi_ext2);
989
990 len += snprintf(buf + len, size - len,
991 "%18s : %10d\n", "Rx Antenna",
992 sc->debug.stats.rxstats.rs_antenna);
993
Sujith1395d3f2010-01-08 10:36:11 +0530994 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
995 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
996 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
997 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
998 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
999 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
1000 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
1001 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
1002 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
1003 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
1004 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
1005 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
1006 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
1007 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
1008 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
1009 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
1010 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
1011 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
1012 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
1013 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
1014 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
1015 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1016 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
1017 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
1018 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1019 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1020
Ben Greear99c15bf2010-10-01 12:26:30 -07001021 len += snprintf(buf + len, size - len,
1022 "%18s : %10u\n", "RX-Pkts-All",
1023 sc->debug.stats.rxstats.rx_pkts_all);
1024 len += snprintf(buf + len, size - len,
1025 "%18s : %10u\n", "RX-Bytes-All",
1026 sc->debug.stats.rxstats.rx_bytes_all);
1027
Dan Carpenter2b87f3a2010-05-14 15:24:37 +02001028 if (len > size)
1029 len = size;
1030
Sujith1395d3f2010-01-08 10:36:11 +05301031 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1032 kfree(buf);
1033
1034 return retval;
1035
1036#undef PHY_ERR
1037}
1038
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001039void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
Sujith1395d3f2010-01-08 10:36:11 +05301040{
1041#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1042#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301043#define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1044 [sc->debug.rsidx].c)
Sujith1395d3f2010-01-08 10:36:11 +05301045
Sujith1395d3f2010-01-08 10:36:11 +05301046 u32 phyerr;
1047
Ben Greear99c15bf2010-10-01 12:26:30 -07001048 RX_STAT_INC(rx_pkts_all);
1049 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1050
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001051 if (rs->rs_status & ATH9K_RXERR_CRC)
Sujith1395d3f2010-01-08 10:36:11 +05301052 RX_STAT_INC(crc_err);
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001053 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
Sujith1395d3f2010-01-08 10:36:11 +05301054 RX_STAT_INC(decrypt_crc_err);
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001055 if (rs->rs_status & ATH9K_RXERR_MIC)
Sujith1395d3f2010-01-08 10:36:11 +05301056 RX_STAT_INC(mic_err);
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001057 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
Sujith1395d3f2010-01-08 10:36:11 +05301058 RX_STAT_INC(pre_delim_crc_err);
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001059 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
Sujith1395d3f2010-01-08 10:36:11 +05301060 RX_STAT_INC(post_delim_crc_err);
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001061 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
Sujith1395d3f2010-01-08 10:36:11 +05301062 RX_STAT_INC(decrypt_busy_err);
1063
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001064 if (rs->rs_status & ATH9K_RXERR_PHY) {
Sujith1395d3f2010-01-08 10:36:11 +05301065 RX_STAT_INC(phy_err);
Felix Fietkau8e6f5aa2010-03-29 20:09:27 -07001066 phyerr = rs->rs_phyerr & 0x24;
Sujith1395d3f2010-01-08 10:36:11 +05301067 RX_PHY_ERR_INC(phyerr);
1068 }
1069
Senthil Balasubramanian7d755412011-04-08 15:30:34 +05301070 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1071 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1072 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1073
1074 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1075 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1076 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1077
1078 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1079
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301080 spin_lock(&sc->debug.samp_lock);
1081 RX_SAMP_DBG(jiffies) = jiffies;
1082 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1083 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1084 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1085 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1086 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1087 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1088 RX_SAMP_DBG(antenna) = rs->rs_antenna;
1089 RX_SAMP_DBG(rssi) = rs->rs_rssi;
1090 RX_SAMP_DBG(rate) = rs->rs_rate;
1091 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1092
1093 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1094 spin_unlock(&sc->debug.samp_lock);
1095
Sujith1395d3f2010-01-08 10:36:11 +05301096#undef RX_STAT_INC
1097#undef RX_PHY_ERR_INC
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301098#undef RX_SAMP_DBG
Sujith1395d3f2010-01-08 10:36:11 +05301099}
1100
1101static const struct file_operations fops_recv = {
1102 .read = read_file_recv,
1103 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +02001104 .owner = THIS_MODULE,
1105 .llseek = default_llseek,
Sujith1395d3f2010-01-08 10:36:11 +05301106};
1107
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001108static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1109 size_t count, loff_t *ppos)
1110{
1111 struct ath_softc *sc = file->private_data;
1112 char buf[32];
1113 unsigned int len;
1114
Dan Carpenter2b87f3a2010-05-14 15:24:37 +02001115 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001116 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1117}
1118
1119static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1120 size_t count, loff_t *ppos)
1121{
1122 struct ath_softc *sc = file->private_data;
1123 unsigned long regidx;
1124 char buf[32];
1125 ssize_t len;
1126
1127 len = min(count, sizeof(buf) - 1);
1128 if (copy_from_user(buf, user_buf, len))
Dan Carpenter04236062010-05-14 15:25:39 +02001129 return -EFAULT;
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001130
1131 buf[len] = '\0';
1132 if (strict_strtoul(buf, 0, &regidx))
1133 return -EINVAL;
1134
1135 sc->debug.regidx = regidx;
1136 return count;
1137}
1138
1139static const struct file_operations fops_regidx = {
1140 .read = read_file_regidx,
1141 .write = write_file_regidx,
1142 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +02001143 .owner = THIS_MODULE,
1144 .llseek = default_llseek,
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001145};
1146
1147static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1148 size_t count, loff_t *ppos)
1149{
1150 struct ath_softc *sc = file->private_data;
1151 struct ath_hw *ah = sc->sc_ah;
1152 char buf[32];
1153 unsigned int len;
1154 u32 regval;
1155
Rajkumar Manoharan79d2b152011-05-16 18:23:23 +05301156 ath9k_ps_wakeup(sc);
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001157 regval = REG_READ_D(ah, sc->debug.regidx);
Rajkumar Manoharan79d2b152011-05-16 18:23:23 +05301158 ath9k_ps_restore(sc);
Dan Carpenter2b87f3a2010-05-14 15:24:37 +02001159 len = sprintf(buf, "0x%08x\n", regval);
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001160 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1161}
1162
1163static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1164 size_t count, loff_t *ppos)
1165{
1166 struct ath_softc *sc = file->private_data;
1167 struct ath_hw *ah = sc->sc_ah;
1168 unsigned long regval;
1169 char buf[32];
1170 ssize_t len;
1171
1172 len = min(count, sizeof(buf) - 1);
1173 if (copy_from_user(buf, user_buf, len))
Dan Carpenter04236062010-05-14 15:25:39 +02001174 return -EFAULT;
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001175
1176 buf[len] = '\0';
1177 if (strict_strtoul(buf, 0, &regval))
1178 return -EINVAL;
1179
Rajkumar Manoharan79d2b152011-05-16 18:23:23 +05301180 ath9k_ps_wakeup(sc);
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001181 REG_WRITE_D(ah, sc->debug.regidx, regval);
Rajkumar Manoharan79d2b152011-05-16 18:23:23 +05301182 ath9k_ps_restore(sc);
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001183 return count;
1184}
1185
1186static const struct file_operations fops_regval = {
1187 .read = read_file_regval,
1188 .write = write_file_regval,
1189 .open = ath9k_debugfs_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +02001190 .owner = THIS_MODULE,
1191 .llseek = default_llseek,
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001192};
1193
Vasanthakumar Thiagarajan582d0062011-03-01 05:30:55 -08001194#define REGDUMP_LINE_SIZE 20
1195
1196static int open_file_regdump(struct inode *inode, struct file *file)
1197{
1198 struct ath_softc *sc = inode->i_private;
1199 unsigned int len = 0;
1200 u8 *buf;
1201 int i;
1202 unsigned long num_regs, regdump_len, max_reg_offset;
1203
1204 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1205 num_regs = max_reg_offset / 4 + 1;
1206 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1207 buf = vmalloc(regdump_len);
1208 if (!buf)
1209 return -ENOMEM;
1210
1211 ath9k_ps_wakeup(sc);
1212 for (i = 0; i < num_regs; i++)
1213 len += scnprintf(buf + len, regdump_len - len,
1214 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1215 ath9k_ps_restore(sc);
1216
1217 file->private_data = buf;
1218
1219 return 0;
1220}
1221
1222static const struct file_operations fops_regdump = {
1223 .open = open_file_regdump,
1224 .read = ath9k_debugfs_read_buf,
1225 .release = ath9k_debugfs_release_buf,
1226 .owner = THIS_MODULE,
1227 .llseek = default_llseek,/* read accesses f_pos */
1228};
1229
Rajkumar Manoharand069a462011-08-13 10:28:18 +05301230static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1231 size_t count, loff_t *ppos)
1232{
1233 struct ath_softc *sc = file->private_data;
1234 struct ath_hw *ah = sc->sc_ah;
1235 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1236 struct ath_common *common = ath9k_hw_common(ah);
1237 struct ieee80211_conf *conf = &common->hw->conf;
1238 u32 len = 0, size = 1500;
1239 u32 i, j;
1240 ssize_t retval = 0;
1241 char *buf;
1242 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1243 u8 nread;
1244
1245 buf = kzalloc(size, GFP_KERNEL);
1246 if (!buf)
1247 return -ENOMEM;
1248
1249 len += snprintf(buf + len, size - len,
1250 "Channel Noise Floor : %d\n", ah->noise);
1251 len += snprintf(buf + len, size - len,
1252 "Chain | privNF | # Readings | NF Readings\n");
1253 for (i = 0; i < NUM_NF_READINGS; i++) {
1254 if (!(chainmask & (1 << i)) ||
1255 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1256 continue;
1257
1258 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1259 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1260 i, h[i].privNF, nread);
1261 for (j = 0; j < nread; j++)
1262 len += snprintf(buf + len, size - len,
1263 " %d", h[i].nfCalBuffer[j]);
1264 len += snprintf(buf + len, size - len, "\n");
1265 }
1266
1267 if (len > size)
1268 len = size;
1269
1270 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1271 kfree(buf);
1272
1273 return retval;
1274}
1275
1276static const struct file_operations fops_dump_nfcal = {
1277 .read = read_file_dump_nfcal,
1278 .open = ath9k_debugfs_open,
1279 .owner = THIS_MODULE,
1280 .llseek = default_llseek,
1281};
1282
Rajkumar Manoharan580f0102011-07-29 17:38:12 +05301283static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1284 size_t count, loff_t *ppos)
1285{
1286 struct ath_softc *sc = file->private_data;
1287 struct ath_hw *ah = sc->sc_ah;
1288 u32 len = 0, size = 1500;
1289 ssize_t retval = 0;
1290 char *buf;
1291
1292 buf = kzalloc(size, GFP_KERNEL);
1293 if (!buf)
1294 return -ENOMEM;
1295
1296 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1297
1298 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1299 kfree(buf);
1300
1301 return retval;
1302}
1303
1304static const struct file_operations fops_base_eeprom = {
1305 .read = read_file_base_eeprom,
1306 .open = ath9k_debugfs_open,
1307 .owner = THIS_MODULE,
1308 .llseek = default_llseek,
1309};
1310
Rajkumar Manoharan3f4c4bd2011-07-29 17:38:13 +05301311static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1312 size_t count, loff_t *ppos)
1313{
1314 struct ath_softc *sc = file->private_data;
1315 struct ath_hw *ah = sc->sc_ah;
1316 u32 len = 0, size = 6000;
1317 char *buf;
1318 size_t retval;
1319
1320 buf = kzalloc(size, GFP_KERNEL);
1321 if (buf == NULL)
1322 return -ENOMEM;
1323
1324 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1325
1326 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1327 kfree(buf);
1328
1329 return retval;
1330}
1331
1332static const struct file_operations fops_modal_eeprom = {
1333 .read = read_file_modal_eeprom,
1334 .open = ath9k_debugfs_open,
1335 .owner = THIS_MODULE,
1336 .llseek = default_llseek,
1337};
1338
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301339void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1340{
1341#define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1342 struct ath_hw *ah = sc->sc_ah;
1343 struct ath_common *common = ath9k_hw_common(ah);
1344 unsigned long flags;
1345 int i;
1346
1347 ath9k_ps_wakeup(sc);
1348
Rajkumar Manoharan6bc05a92011-09-06 21:00:07 +05301349 spin_lock_bh(&sc->debug.samp_lock);
1350
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301351 spin_lock_irqsave(&common->cc_lock, flags);
1352 ath_hw_cycle_counters_update(common);
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301353
1354 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1355 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1356 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1357 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
Rajkumar Manoharan6bc05a92011-09-06 21:00:07 +05301358 spin_unlock_irqrestore(&common->cc_lock, flags);
1359
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301360 ATH_SAMP_DBG(noise) = ah->noise;
1361
1362 REG_WRITE_D(ah, AR_MACMISC,
1363 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1364 (AR_MACMISC_MISC_OBS_BUS_1 <<
1365 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1366
1367 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1368 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1369 AR_DMADBG_0 + (i * sizeof(u32)));
1370
1371 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1372 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1373
1374 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1375 sizeof(ATH_SAMP_DBG(nfCalHist)));
1376
1377 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1378 spin_unlock_bh(&sc->debug.samp_lock);
1379 ath9k_ps_restore(sc);
1380
1381#undef ATH_SAMP_DBG
1382}
1383
1384static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1385{
1386#define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1387 struct ath_softc *sc = inode->i_private;
1388 struct ath_hw *ah = sc->sc_ah;
1389 struct ath_common *common = ath9k_hw_common(ah);
1390 struct ieee80211_conf *conf = &common->hw->conf;
1391 struct ath_dbg_bb_mac_samp *bb_mac_samp;
1392 struct ath9k_nfcal_hist *h;
1393 int i, j, qcuOffset = 0, dcuOffset = 0;
1394 u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1395 u32 sampidx = 0;
1396 u8 *buf;
1397 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1398 u8 nread;
1399
Rajkumar Manoharanf7e014d2011-09-06 21:00:06 +05301400 if (sc->sc_flags & SC_OP_INVALID)
1401 return -EAGAIN;
1402
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301403 buf = vmalloc(size);
1404 if (!buf)
1405 return -ENOMEM;
1406 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1407 if (!bb_mac_samp) {
1408 vfree(buf);
1409 return -ENOMEM;
1410 }
Rajkumar Manoharanf7e014d2011-09-06 21:00:06 +05301411 /* Account the current state too */
1412 ath9k_debug_samp_bb_mac(sc);
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301413
1414 spin_lock_bh(&sc->debug.samp_lock);
1415 memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1416 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
Rajkumar Manoharan6bc05a92011-09-06 21:00:07 +05301417 len += snprintf(buf + len, size - len,
1418 "Current Sample Index: %d\n", sc->debug.sampidx);
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301419 spin_unlock_bh(&sc->debug.samp_lock);
1420
1421 len += snprintf(buf + len, size - len,
1422 "Raw DMA Debug Dump:\n");
1423 len += snprintf(buf + len, size - len, "Sample |\t");
1424 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1425 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1426 len += snprintf(buf + len, size - len, "\n");
1427
1428 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1429 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1430
1431 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1432 len += snprintf(buf + len, size - len, " %08x\t",
1433 ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1434 len += snprintf(buf + len, size - len, "\n");
1435 }
1436 len += snprintf(buf + len, size - len, "\n");
1437
1438 len += snprintf(buf + len, size - len,
1439 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1440 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1441 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1442 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1443
1444 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1445 qcuOffset += 4, dcuOffset += 5) {
1446 if (i == 8) {
1447 qcuOffset = 0;
1448 qcuBase++;
1449 }
1450
1451 if (i == 6) {
1452 dcuOffset = 0;
1453 dcuBase++;
1454 }
1455 if (!sc->debug.stats.txstats[i].queued)
1456 continue;
1457
1458 len += snprintf(buf + len, size - len,
1459 "%4d %7d %2x %1x %2x %2x\n",
1460 sampidx, i,
1461 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1462 (*qcuBase & (0x8 << qcuOffset)) >>
1463 (qcuOffset + 3),
1464 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1465 (0x7 << (i * 3)) >> (i * 3),
1466 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1467 }
1468 len += snprintf(buf + len, size - len, "\n");
1469 }
1470 len += snprintf(buf + len, size - len,
1471 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1472 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1473 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1474
1475 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1476 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1477 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1478
1479 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1480 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1481 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1482 len += snprintf(buf + len, size - len, "%7x %8x ",
1483 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1484 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1485 len += snprintf(buf + len, size - len, "%7x %7x ",
1486 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1487 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1488 len += snprintf(buf + len, size - len, "%7d %12d ",
1489 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1490 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1491 len += snprintf(buf + len, size - len, "%12d %12d ",
1492 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1493 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1494 len += snprintf(buf + len, size - len, "%12d %12d ",
1495 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1496 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1497 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1498 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1499 }
1500
1501 len += snprintf(buf + len, size - len,
1502 "Sample ChNoise Chain privNF #Reading Readings\n");
1503 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1504 h = ATH_SAMP_DBG(nfCalHist);
1505 if (!ATH_SAMP_DBG(noise))
1506 continue;
1507
1508 for (i = 0; i < NUM_NF_READINGS; i++) {
1509 if (!(chainmask & (1 << i)) ||
1510 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1511 continue;
1512
1513 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1514 h[i].invalidNFcount;
1515 len += snprintf(buf + len, size - len,
1516 "%4d %5d %4d\t %d\t %d\t",
1517 sampidx, ATH_SAMP_DBG(noise),
1518 i, h[i].privNF, nread);
1519 for (j = 0; j < nread; j++)
1520 len += snprintf(buf + len, size - len,
1521 " %d", h[i].nfCalBuffer[j]);
1522 len += snprintf(buf + len, size - len, "\n");
1523 }
1524 }
1525 len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1526 "Sample Total Rxbusy Rxframes Txframes\n");
1527 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1528 if (!ATH_SAMP_DBG(cc.cycles))
1529 continue;
1530 len += snprintf(buf + len, size - len,
1531 "%4d %08x %08x %08x %08x\n",
1532 sampidx, ATH_SAMP_DBG(cc.cycles),
1533 ATH_SAMP_DBG(cc.rx_busy),
1534 ATH_SAMP_DBG(cc.rx_frame),
1535 ATH_SAMP_DBG(cc.tx_frame));
1536 }
1537
1538 len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1539 len += snprintf(buf + len, size - len,
1540 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
Mohammed Shafi Shajakhan129321802011-09-21 14:22:49 +05301541 "isok rts_fail data_fail rate tid qid "
1542 "ba_low ba_high tx_before(ms)\n");
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301543 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1544 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1545 if (!ATH_SAMP_DBG(ts[i].jiffies))
1546 continue;
Mohammed Shafi Shajakhan129321802011-09-21 14:22:49 +05301547 len += snprintf(buf + len, size - len, "%-14d"
1548 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1549 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301550 sampidx,
1551 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1552 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1553 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1554 ATH_SAMP_DBG(ts[i].rssi_ext0),
1555 ATH_SAMP_DBG(ts[i].rssi_ext1),
1556 ATH_SAMP_DBG(ts[i].rssi_ext2),
1557 ATH_SAMP_DBG(ts[i].rssi),
1558 ATH_SAMP_DBG(ts[i].isok),
1559 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1560 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1561 ATH_SAMP_DBG(ts[i].rateindex),
1562 ATH_SAMP_DBG(ts[i].tid),
1563 ATH_SAMP_DBG(ts[i].qid),
Mohammed Shafi Shajakhan129321802011-09-21 14:22:49 +05301564 ATH_SAMP_DBG(ts[i].ba_low),
1565 ATH_SAMP_DBG(ts[i].ba_high),
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301566 jiffies_to_msecs(jiffies -
1567 ATH_SAMP_DBG(ts[i].jiffies)));
1568 }
1569 }
1570
1571 len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1572 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1573 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1574 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1575 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1576 if (!ATH_SAMP_DBG(rs[i].jiffies))
1577 continue;
Mohammed Shafi Shajakhan129321802011-09-21 14:22:49 +05301578 len += snprintf(buf + len, size - len, "%-14d"
1579 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301580 sampidx,
1581 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1582 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1583 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1584 ATH_SAMP_DBG(rs[i].rssi_ext0),
1585 ATH_SAMP_DBG(rs[i].rssi_ext1),
1586 ATH_SAMP_DBG(rs[i].rssi_ext2),
1587 ATH_SAMP_DBG(rs[i].rssi),
1588 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1589 "True" : "False",
1590 ATH_SAMP_DBG(rs[i].antenna),
1591 ATH_SAMP_DBG(rs[i].rate),
1592 jiffies_to_msecs(jiffies -
1593 ATH_SAMP_DBG(rs[i].jiffies)));
1594 }
1595 }
1596
1597 vfree(bb_mac_samp);
1598 file->private_data = buf;
1599
1600 return 0;
1601#undef ATH_SAMP_DBG
1602}
1603
1604static const struct file_operations fops_samps = {
1605 .open = open_file_bb_mac_samps,
1606 .read = ath9k_debugfs_read_buf,
1607 .release = ath9k_debugfs_release_buf,
1608 .owner = THIS_MODULE,
1609 .llseek = default_llseek,
1610};
1611
1612
Luis R. Rodriguez4d6b2282009-09-07 04:52:26 -07001613int ath9k_init_debug(struct ath_hw *ah)
Sujith88b126a2008-11-28 22:19:02 +05301614{
Luis R. Rodriguezbc974f42009-09-28 02:54:40 -04001615 struct ath_common *common = ath9k_hw_common(ah);
1616 struct ath_softc *sc = (struct ath_softc *) common->priv;
Luis R. Rodriguez4d6b2282009-09-07 04:52:26 -07001617
Ben Greeareb272442010-11-29 14:13:22 -08001618 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1619 sc->hw->wiphy->debugfsdir);
Sujith17d79042009-02-09 13:27:03 +05301620 if (!sc->debug.debugfs_phy)
Felix Fietkauc8a72c02010-05-11 17:23:00 +02001621 return -ENOMEM;
Sujith826d2682008-11-28 22:20:23 +05301622
Felix Fietkaua830df02009-11-23 22:33:27 +01001623#ifdef CONFIG_ATH_DEBUG
Felix Fietkauc70cab12011-03-19 13:55:37 +01001624 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1625 sc, &fops_debug);
Felix Fietkaua830df02009-11-23 22:33:27 +01001626#endif
Felix Fietkauc70cab12011-03-19 13:55:37 +01001627 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1628 &fops_dma);
1629 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1630 &fops_interrupt);
1631 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1632 sc, &fops_wiphy);
1633 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1634 &fops_xmit);
1635 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1636 &fops_stations);
1637 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1638 &fops_misc);
1639 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1640 &fops_recv);
1641 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1642 sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1643 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1644 sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
Mohammed Shafi Shajakhan05c0be22011-05-26 10:56:15 +05301645 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1646 sc->debug.debugfs_phy, sc, &fops_disable_ani);
Felix Fietkauc70cab12011-03-19 13:55:37 +01001647 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1648 sc, &fops_regidx);
1649 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1650 sc, &fops_regval);
1651 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1652 sc->debug.debugfs_phy,
1653 &ah->config.cwm_ignore_extcca);
1654 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1655 &fops_regdump);
Rajkumar Manoharand069a462011-08-13 10:28:18 +05301656 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1657 &fops_dump_nfcal);
Rajkumar Manoharan580f0102011-07-29 17:38:12 +05301658 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1659 &fops_base_eeprom);
Rajkumar Manoharan3f4c4bd2011-07-29 17:38:13 +05301660 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1661 &fops_modal_eeprom);
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301662 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1663 &fops_samps);
Vasanthakumar Thiagarajan582d0062011-03-01 05:30:55 -08001664
Felix Fietkau691680b2011-03-19 13:55:38 +01001665 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1666 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1667
1668 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1669 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1670
Felix Fietkau9bff0bc2010-05-11 17:23:02 +02001671 sc->debug.regidx = 0;
Rajkumar Manoharancf3af742011-08-27 16:17:47 +05301672 memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1673 sc->debug.sampidx = 0;
1674 sc->debug.tsidx = 0;
1675 sc->debug.rsidx = 0;
Sujith826d2682008-11-28 22:20:23 +05301676 return 0;
Sujith88b126a2008-11-28 22:19:02 +05301677}