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fa1c114f | 1 | /* |
be9b7259 | 2 | * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com> |
fa1c114f JS |
3 | * |
4 | * This file is free software: you may copy, redistribute and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the | |
6 | * Free Software Foundation, either version 2 of the License, or (at your | |
7 | * option) any later version. | |
8 | * | |
9 | * This file is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | * | |
17 | * | |
18 | * This file incorporates work covered by the following copyright and | |
19 | * permission notice: | |
20 | * | |
21 | * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting | |
22 | * Copyright (c) 2004-2005 Atheros Communications, Inc. | |
23 | * Copyright (c) 2006 Devicescape Software, Inc. | |
24 | * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com> | |
25 | * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu> | |
26 | * | |
27 | * All rights reserved. | |
28 | * | |
29 | * Redistribution and use in source and binary forms, with or without | |
30 | * modification, are permitted provided that the following conditions | |
31 | * are met: | |
32 | * 1. Redistributions of source code must retain the above copyright | |
33 | * notice, this list of conditions and the following disclaimer, | |
34 | * without modification. | |
35 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
36 | * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any | |
37 | * redistribution must be conditioned upon including a substantially | |
38 | * similar Disclaimer requirement for further binary redistribution. | |
39 | * 3. Neither the names of the above-listed copyright holders nor the names | |
40 | * of any contributors may be used to endorse or promote products derived | |
41 | * from this software without specific prior written permission. | |
42 | * | |
43 | * Alternatively, this software may be distributed under the terms of the | |
44 | * GNU General Public License ("GPL") version 2 as published by the Free | |
45 | * Software Foundation. | |
46 | * | |
47 | * NO WARRANTY | |
48 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
49 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
50 | * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY | |
51 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
52 | * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, | |
53 | * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
54 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
55 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER | |
56 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
57 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
58 | * THE POSSIBILITY OF SUCH DAMAGES. | |
59 | */ | |
516304b0 JP |
60 | |
61 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
62 | ||
ee40fa06 | 63 | #include <linux/export.h> |
6eb07caf | 64 | #include <linux/moduleparam.h> |
32bc6d1a | 65 | #include <linux/vmalloc.h> |
fa1c114f | 66 | |
931be260 PR |
67 | #include <linux/seq_file.h> |
68 | #include <linux/list.h> | |
c6e387a2 | 69 | #include "debug.h" |
931be260 PR |
70 | #include "ath5k.h" |
71 | #include "reg.h" | |
72 | #include "base.h" | |
fa1c114f JS |
73 | |
74 | static unsigned int ath5k_debug; | |
75 | module_param_named(debug, ath5k_debug, uint, 0); | |
76 | ||
77 | ||
fa1c114f JS |
78 | /* debugfs: registers */ |
79 | ||
80 | struct reg { | |
2c91108c | 81 | const char *name; |
fa1c114f JS |
82 | int addr; |
83 | }; | |
84 | ||
85 | #define REG_STRUCT_INIT(r) { #r, r } | |
86 | ||
87 | /* just a few random registers, might want to add more */ | |
2c91108c | 88 | static const struct reg regs[] = { |
fa1c114f JS |
89 | REG_STRUCT_INIT(AR5K_CR), |
90 | REG_STRUCT_INIT(AR5K_RXDP), | |
91 | REG_STRUCT_INIT(AR5K_CFG), | |
92 | REG_STRUCT_INIT(AR5K_IER), | |
93 | REG_STRUCT_INIT(AR5K_BCR), | |
94 | REG_STRUCT_INIT(AR5K_RTSD0), | |
95 | REG_STRUCT_INIT(AR5K_RTSD1), | |
96 | REG_STRUCT_INIT(AR5K_TXCFG), | |
97 | REG_STRUCT_INIT(AR5K_RXCFG), | |
98 | REG_STRUCT_INIT(AR5K_RXJLA), | |
99 | REG_STRUCT_INIT(AR5K_MIBC), | |
100 | REG_STRUCT_INIT(AR5K_TOPS), | |
101 | REG_STRUCT_INIT(AR5K_RXNOFRM), | |
102 | REG_STRUCT_INIT(AR5K_TXNOFRM), | |
103 | REG_STRUCT_INIT(AR5K_RPGTO), | |
104 | REG_STRUCT_INIT(AR5K_RFCNT), | |
105 | REG_STRUCT_INIT(AR5K_MISC), | |
106 | REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT), | |
107 | REG_STRUCT_INIT(AR5K_ISR), | |
108 | REG_STRUCT_INIT(AR5K_PISR), | |
109 | REG_STRUCT_INIT(AR5K_SISR0), | |
110 | REG_STRUCT_INIT(AR5K_SISR1), | |
111 | REG_STRUCT_INIT(AR5K_SISR2), | |
112 | REG_STRUCT_INIT(AR5K_SISR3), | |
113 | REG_STRUCT_INIT(AR5K_SISR4), | |
114 | REG_STRUCT_INIT(AR5K_IMR), | |
115 | REG_STRUCT_INIT(AR5K_PIMR), | |
116 | REG_STRUCT_INIT(AR5K_SIMR0), | |
117 | REG_STRUCT_INIT(AR5K_SIMR1), | |
118 | REG_STRUCT_INIT(AR5K_SIMR2), | |
119 | REG_STRUCT_INIT(AR5K_SIMR3), | |
120 | REG_STRUCT_INIT(AR5K_SIMR4), | |
121 | REG_STRUCT_INIT(AR5K_DCM_ADDR), | |
122 | REG_STRUCT_INIT(AR5K_DCCFG), | |
123 | REG_STRUCT_INIT(AR5K_CCFG), | |
124 | REG_STRUCT_INIT(AR5K_CPC0), | |
125 | REG_STRUCT_INIT(AR5K_CPC1), | |
126 | REG_STRUCT_INIT(AR5K_CPC2), | |
127 | REG_STRUCT_INIT(AR5K_CPC3), | |
0bacdf30 | 128 | REG_STRUCT_INIT(AR5K_CPCOVF), |
fa1c114f JS |
129 | REG_STRUCT_INIT(AR5K_RESET_CTL), |
130 | REG_STRUCT_INIT(AR5K_SLEEP_CTL), | |
131 | REG_STRUCT_INIT(AR5K_INTPEND), | |
132 | REG_STRUCT_INIT(AR5K_SFR), | |
133 | REG_STRUCT_INIT(AR5K_PCICFG), | |
134 | REG_STRUCT_INIT(AR5K_GPIOCR), | |
135 | REG_STRUCT_INIT(AR5K_GPIODO), | |
136 | REG_STRUCT_INIT(AR5K_SREV), | |
137 | }; | |
138 | ||
139 | static void *reg_start(struct seq_file *seq, loff_t *pos) | |
140 | { | |
2c91108c | 141 | return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL; |
fa1c114f JS |
142 | } |
143 | ||
144 | static void reg_stop(struct seq_file *seq, void *p) | |
145 | { | |
146 | /* nothing to do */ | |
147 | } | |
148 | ||
149 | static void *reg_next(struct seq_file *seq, void *p, loff_t *pos) | |
150 | { | |
151 | ++*pos; | |
2c91108c | 152 | return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL; |
fa1c114f JS |
153 | } |
154 | ||
155 | static int reg_show(struct seq_file *seq, void *p) | |
156 | { | |
e0d687bd | 157 | struct ath5k_hw *ah = seq->private; |
fa1c114f JS |
158 | struct reg *r = p; |
159 | seq_printf(seq, "%-25s0x%08x\n", r->name, | |
e0d687bd | 160 | ath5k_hw_reg_read(ah, r->addr)); |
fa1c114f JS |
161 | return 0; |
162 | } | |
163 | ||
4101dec9 | 164 | static const struct seq_operations register_seq_ops = { |
fa1c114f JS |
165 | .start = reg_start, |
166 | .next = reg_next, | |
167 | .stop = reg_stop, | |
168 | .show = reg_show | |
169 | }; | |
170 | ||
171 | static int open_file_registers(struct inode *inode, struct file *file) | |
172 | { | |
173 | struct seq_file *s; | |
174 | int res; | |
175 | res = seq_open(file, ®ister_seq_ops); | |
176 | if (res == 0) { | |
177 | s = file->private_data; | |
178 | s->private = inode->i_private; | |
179 | } | |
180 | return res; | |
181 | } | |
182 | ||
183 | static const struct file_operations fops_registers = { | |
184 | .open = open_file_registers, | |
185 | .read = seq_read, | |
186 | .llseek = seq_lseek, | |
187 | .release = seq_release, | |
188 | .owner = THIS_MODULE, | |
189 | }; | |
190 | ||
191 | ||
fa1c114f JS |
192 | /* debugfs: beacons */ |
193 | ||
194 | static ssize_t read_file_beacon(struct file *file, char __user *user_buf, | |
195 | size_t count, loff_t *ppos) | |
196 | { | |
e0d687bd | 197 | struct ath5k_hw *ah = file->private_data; |
be9b7259 BR |
198 | char buf[500]; |
199 | unsigned int len = 0; | |
fa1c114f JS |
200 | unsigned int v; |
201 | u64 tsf; | |
202 | ||
e0d687bd | 203 | v = ath5k_hw_reg_read(ah, AR5K_BEACON); |
e4bbf2f5 | 204 | len += snprintf(buf + len, sizeof(buf) - len, |
fa1c114f JS |
205 | "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n", |
206 | "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD, | |
207 | (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S); | |
208 | ||
e4bbf2f5 | 209 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n", |
e0d687bd | 210 | "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP)); |
fa1c114f | 211 | |
e4bbf2f5 | 212 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n", |
e0d687bd | 213 | "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT)); |
fa1c114f | 214 | |
e0d687bd | 215 | v = ath5k_hw_reg_read(ah, AR5K_TIMER0); |
e4bbf2f5 | 216 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
217 | "AR5K_TIMER0 (TBTT)", v, v); |
218 | ||
e0d687bd | 219 | v = ath5k_hw_reg_read(ah, AR5K_TIMER1); |
e4bbf2f5 | 220 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
221 | "AR5K_TIMER1 (DMA)", v, v >> 3); |
222 | ||
e0d687bd | 223 | v = ath5k_hw_reg_read(ah, AR5K_TIMER2); |
e4bbf2f5 | 224 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
225 | "AR5K_TIMER2 (SWBA)", v, v >> 3); |
226 | ||
e0d687bd | 227 | v = ath5k_hw_reg_read(ah, AR5K_TIMER3); |
e4bbf2f5 | 228 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
229 | "AR5K_TIMER3 (ATIM)", v, v); |
230 | ||
e0d687bd | 231 | tsf = ath5k_hw_get_tsf64(ah); |
e4bbf2f5 | 232 | len += snprintf(buf + len, sizeof(buf) - len, |
f868f4e1 JL |
233 | "TSF\t\t0x%016llx\tTU: %08x\n", |
234 | (unsigned long long)tsf, TSF_TO_TU(tsf)); | |
fa1c114f | 235 | |
2189d13f DC |
236 | if (len > sizeof(buf)) |
237 | len = sizeof(buf); | |
238 | ||
fa1c114f JS |
239 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
240 | } | |
241 | ||
242 | static ssize_t write_file_beacon(struct file *file, | |
243 | const char __user *userbuf, | |
244 | size_t count, loff_t *ppos) | |
245 | { | |
e0d687bd | 246 | struct ath5k_hw *ah = file->private_data; |
be9b7259 | 247 | char buf[20]; |
fa1c114f | 248 | |
8aada63c DH |
249 | count = min_t(size_t, count, sizeof(buf) - 1); |
250 | if (copy_from_user(buf, userbuf, count)) | |
be9b7259 BR |
251 | return -EFAULT; |
252 | ||
8aada63c | 253 | buf[count] = '\0'; |
be9b7259 | 254 | if (strncmp(buf, "disable", 7) == 0) { |
fa1c114f | 255 | AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE); |
516304b0 | 256 | pr_info("debugfs disable beacons\n"); |
be9b7259 | 257 | } else if (strncmp(buf, "enable", 6) == 0) { |
fa1c114f | 258 | AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE); |
516304b0 | 259 | pr_info("debugfs enable beacons\n"); |
fa1c114f JS |
260 | } |
261 | return count; | |
262 | } | |
263 | ||
264 | static const struct file_operations fops_beacon = { | |
265 | .read = read_file_beacon, | |
266 | .write = write_file_beacon, | |
234e3405 | 267 | .open = simple_open, |
fa1c114f | 268 | .owner = THIS_MODULE, |
6038f373 | 269 | .llseek = default_llseek, |
fa1c114f JS |
270 | }; |
271 | ||
272 | ||
273 | /* debugfs: reset */ | |
274 | ||
275 | static ssize_t write_file_reset(struct file *file, | |
276 | const char __user *userbuf, | |
277 | size_t count, loff_t *ppos) | |
278 | { | |
e0d687bd PR |
279 | struct ath5k_hw *ah = file->private_data; |
280 | ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n"); | |
281 | ieee80211_queue_work(ah->hw, &ah->reset_work); | |
fa1c114f JS |
282 | return count; |
283 | } | |
284 | ||
285 | static const struct file_operations fops_reset = { | |
286 | .write = write_file_reset, | |
234e3405 | 287 | .open = simple_open, |
fa1c114f | 288 | .owner = THIS_MODULE, |
6038f373 | 289 | .llseek = noop_llseek, |
fa1c114f JS |
290 | }; |
291 | ||
292 | ||
be9b7259 BR |
293 | /* debugfs: debug level */ |
294 | ||
2c91108c | 295 | static const struct { |
be9b7259 BR |
296 | enum ath5k_debug_level level; |
297 | const char *name; | |
298 | const char *desc; | |
299 | } dbg_info[] = { | |
300 | { ATH5K_DEBUG_RESET, "reset", "reset and initialization" }, | |
301 | { ATH5K_DEBUG_INTR, "intr", "interrupt handling" }, | |
302 | { ATH5K_DEBUG_MODE, "mode", "mode init/setup" }, | |
303 | { ATH5K_DEBUG_XMIT, "xmit", "basic xmit operation" }, | |
304 | { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" }, | |
305 | { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" }, | |
306 | { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" }, | |
85519a65 | 307 | { ATH5K_DEBUG_LED, "led", "LED management" }, |
b446197c | 308 | { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" }, |
b3a28e68 | 309 | { ATH5K_DEBUG_DMA, "dma", "dma start/stop" }, |
2111ac0d | 310 | { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" }, |
b4c52612 | 311 | { ATH5K_DEBUG_DESC, "desc", "descriptor chains" }, |
be9b7259 BR |
312 | { ATH5K_DEBUG_ANY, "all", "show all debug levels" }, |
313 | }; | |
314 | ||
315 | static ssize_t read_file_debug(struct file *file, char __user *user_buf, | |
316 | size_t count, loff_t *ppos) | |
317 | { | |
e0d687bd | 318 | struct ath5k_hw *ah = file->private_data; |
be9b7259 BR |
319 | char buf[700]; |
320 | unsigned int len = 0; | |
321 | unsigned int i; | |
322 | ||
e4bbf2f5 | 323 | len += snprintf(buf + len, sizeof(buf) - len, |
e0d687bd | 324 | "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level); |
be9b7259 BR |
325 | |
326 | for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) { | |
e4bbf2f5 | 327 | len += snprintf(buf + len, sizeof(buf) - len, |
be9b7259 | 328 | "%10s %c 0x%08x - %s\n", dbg_info[i].name, |
e0d687bd | 329 | ah->debug.level & dbg_info[i].level ? '+' : ' ', |
be9b7259 BR |
330 | dbg_info[i].level, dbg_info[i].desc); |
331 | } | |
e4bbf2f5 | 332 | len += snprintf(buf + len, sizeof(buf) - len, |
be9b7259 | 333 | "%10s %c 0x%08x - %s\n", dbg_info[i].name, |
e0d687bd | 334 | ah->debug.level == dbg_info[i].level ? '+' : ' ', |
be9b7259 BR |
335 | dbg_info[i].level, dbg_info[i].desc); |
336 | ||
2189d13f DC |
337 | if (len > sizeof(buf)) |
338 | len = sizeof(buf); | |
339 | ||
be9b7259 BR |
340 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
341 | } | |
342 | ||
343 | static ssize_t write_file_debug(struct file *file, | |
344 | const char __user *userbuf, | |
345 | size_t count, loff_t *ppos) | |
346 | { | |
e0d687bd | 347 | struct ath5k_hw *ah = file->private_data; |
be9b7259 BR |
348 | unsigned int i; |
349 | char buf[20]; | |
350 | ||
8aada63c DH |
351 | count = min_t(size_t, count, sizeof(buf) - 1); |
352 | if (copy_from_user(buf, userbuf, count)) | |
be9b7259 BR |
353 | return -EFAULT; |
354 | ||
8aada63c | 355 | buf[count] = '\0'; |
be9b7259 BR |
356 | for (i = 0; i < ARRAY_SIZE(dbg_info); i++) { |
357 | if (strncmp(buf, dbg_info[i].name, | |
358 | strlen(dbg_info[i].name)) == 0) { | |
e0d687bd | 359 | ah->debug.level ^= dbg_info[i].level; /* toggle bit */ |
be9b7259 BR |
360 | break; |
361 | } | |
362 | } | |
363 | return count; | |
364 | } | |
365 | ||
366 | static const struct file_operations fops_debug = { | |
367 | .read = read_file_debug, | |
368 | .write = write_file_debug, | |
234e3405 | 369 | .open = simple_open, |
be9b7259 | 370 | .owner = THIS_MODULE, |
6038f373 | 371 | .llseek = default_llseek, |
be9b7259 BR |
372 | }; |
373 | ||
374 | ||
604eeadd BR |
375 | /* debugfs: antenna */ |
376 | ||
377 | static ssize_t read_file_antenna(struct file *file, char __user *user_buf, | |
378 | size_t count, loff_t *ppos) | |
379 | { | |
e0d687bd | 380 | struct ath5k_hw *ah = file->private_data; |
604eeadd BR |
381 | char buf[700]; |
382 | unsigned int len = 0; | |
383 | unsigned int i; | |
384 | unsigned int v; | |
385 | ||
e4bbf2f5 | 386 | len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n", |
e0d687bd | 387 | ah->ah_ant_mode); |
e4bbf2f5 | 388 | len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n", |
e0d687bd | 389 | ah->ah_def_ant); |
e4bbf2f5 | 390 | len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n", |
e0d687bd | 391 | ah->ah_tx_ant); |
604eeadd | 392 | |
e4bbf2f5 | 393 | len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n"); |
e0d687bd | 394 | for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) { |
e4bbf2f5 | 395 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd | 396 | "[antenna %d]\t%d\t%d\n", |
e0d687bd | 397 | i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]); |
604eeadd | 398 | } |
e4bbf2f5 | 399 | len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n", |
e0d687bd | 400 | ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]); |
604eeadd | 401 | |
e0d687bd | 402 | v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA); |
e4bbf2f5 | 403 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
404 | "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v); |
405 | ||
e0d687bd | 406 | v = ath5k_hw_reg_read(ah, AR5K_STA_ID1); |
e4bbf2f5 | 407 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
408 | "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n", |
409 | (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0); | |
e4bbf2f5 | 410 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
411 | "AR5K_STA_ID1_DESC_ANTENNA\t%d\n", |
412 | (v & AR5K_STA_ID1_DESC_ANTENNA) != 0); | |
e4bbf2f5 | 413 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
414 | "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n", |
415 | (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0); | |
e4bbf2f5 | 416 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
417 | "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n", |
418 | (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0); | |
419 | ||
e0d687bd | 420 | v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL); |
e4bbf2f5 | 421 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
422 | "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n", |
423 | (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0); | |
424 | ||
e0d687bd | 425 | v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART); |
e4bbf2f5 | 426 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
427 | "AR5K_PHY_RESTART_DIV_GC\t\t%x\n", |
428 | (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S); | |
429 | ||
e0d687bd | 430 | v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV); |
e4bbf2f5 | 431 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
432 | "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n", |
433 | (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0); | |
434 | ||
e0d687bd | 435 | v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0); |
e4bbf2f5 | 436 | len += snprintf(buf + len, sizeof(buf) - len, |
0ca74027 | 437 | "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v); |
e0d687bd | 438 | v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1); |
e4bbf2f5 | 439 | len += snprintf(buf + len, sizeof(buf) - len, |
0ca74027 BR |
440 | "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v); |
441 | ||
2189d13f DC |
442 | if (len > sizeof(buf)) |
443 | len = sizeof(buf); | |
444 | ||
604eeadd BR |
445 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
446 | } | |
447 | ||
448 | static ssize_t write_file_antenna(struct file *file, | |
449 | const char __user *userbuf, | |
450 | size_t count, loff_t *ppos) | |
451 | { | |
e0d687bd | 452 | struct ath5k_hw *ah = file->private_data; |
604eeadd BR |
453 | unsigned int i; |
454 | char buf[20]; | |
455 | ||
8aada63c DH |
456 | count = min_t(size_t, count, sizeof(buf) - 1); |
457 | if (copy_from_user(buf, userbuf, count)) | |
604eeadd BR |
458 | return -EFAULT; |
459 | ||
8aada63c | 460 | buf[count] = '\0'; |
604eeadd | 461 | if (strncmp(buf, "diversity", 9) == 0) { |
e0d687bd | 462 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT); |
516304b0 | 463 | pr_info("debug: enable diversity\n"); |
604eeadd | 464 | } else if (strncmp(buf, "fixed-a", 7) == 0) { |
e0d687bd | 465 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A); |
516304b0 | 466 | pr_info("debug: fixed antenna A\n"); |
604eeadd | 467 | } else if (strncmp(buf, "fixed-b", 7) == 0) { |
e0d687bd | 468 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B); |
516304b0 | 469 | pr_info("debug: fixed antenna B\n"); |
604eeadd | 470 | } else if (strncmp(buf, "clear", 5) == 0) { |
e0d687bd PR |
471 | for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) { |
472 | ah->stats.antenna_rx[i] = 0; | |
473 | ah->stats.antenna_tx[i] = 0; | |
604eeadd | 474 | } |
516304b0 | 475 | pr_info("debug: cleared antenna stats\n"); |
604eeadd BR |
476 | } |
477 | return count; | |
478 | } | |
479 | ||
480 | static const struct file_operations fops_antenna = { | |
481 | .read = read_file_antenna, | |
482 | .write = write_file_antenna, | |
234e3405 | 483 | .open = simple_open, |
604eeadd | 484 | .owner = THIS_MODULE, |
6038f373 | 485 | .llseek = default_llseek, |
604eeadd BR |
486 | }; |
487 | ||
87fd2e6c BG |
488 | /* debugfs: misc */ |
489 | ||
490 | static ssize_t read_file_misc(struct file *file, char __user *user_buf, | |
491 | size_t count, loff_t *ppos) | |
492 | { | |
e0d687bd | 493 | struct ath5k_hw *ah = file->private_data; |
87fd2e6c BG |
494 | char buf[700]; |
495 | unsigned int len = 0; | |
e0d687bd | 496 | u32 filt = ath5k_hw_get_rx_filter(ah); |
87fd2e6c | 497 | |
e4bbf2f5 | 498 | len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n", |
e0d687bd | 499 | ah->bssidmask); |
e4bbf2f5 | 500 | len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ", |
87fd2e6c BG |
501 | filt); |
502 | if (filt & AR5K_RX_FILTER_UCAST) | |
e4bbf2f5 | 503 | len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); |
87fd2e6c | 504 | if (filt & AR5K_RX_FILTER_MCAST) |
e4bbf2f5 | 505 | len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); |
87fd2e6c | 506 | if (filt & AR5K_RX_FILTER_BCAST) |
e4bbf2f5 | 507 | len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); |
87fd2e6c | 508 | if (filt & AR5K_RX_FILTER_CONTROL) |
e4bbf2f5 | 509 | len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); |
87fd2e6c | 510 | if (filt & AR5K_RX_FILTER_BEACON) |
e4bbf2f5 | 511 | len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); |
87fd2e6c | 512 | if (filt & AR5K_RX_FILTER_PROM) |
e4bbf2f5 | 513 | len += snprintf(buf + len, sizeof(buf) - len, " PROM"); |
87fd2e6c | 514 | if (filt & AR5K_RX_FILTER_XRPOLL) |
e4bbf2f5 | 515 | len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL"); |
87fd2e6c | 516 | if (filt & AR5K_RX_FILTER_PROBEREQ) |
e4bbf2f5 | 517 | len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); |
87fd2e6c | 518 | if (filt & AR5K_RX_FILTER_PHYERR_5212) |
e4bbf2f5 | 519 | len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212"); |
87fd2e6c | 520 | if (filt & AR5K_RX_FILTER_RADARERR_5212) |
e4bbf2f5 | 521 | len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212"); |
87fd2e6c | 522 | if (filt & AR5K_RX_FILTER_PHYERR_5211) |
e4bbf2f5 | 523 | snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211"); |
87fd2e6c | 524 | if (filt & AR5K_RX_FILTER_RADARERR_5211) |
e4bbf2f5 | 525 | len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211"); |
908ebfb9 | 526 | |
e4bbf2f5 | 527 | len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n", |
e0d687bd | 528 | ath_opmode_to_string(ah->opmode), ah->opmode); |
92c68a66 | 529 | |
87fd2e6c BG |
530 | if (len > sizeof(buf)) |
531 | len = sizeof(buf); | |
532 | ||
533 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
534 | } | |
535 | ||
536 | static const struct file_operations fops_misc = { | |
537 | .read = read_file_misc, | |
234e3405 | 538 | .open = simple_open, |
87fd2e6c BG |
539 | .owner = THIS_MODULE, |
540 | }; | |
541 | ||
604eeadd | 542 | |
7644395f BR |
543 | /* debugfs: frameerrors */ |
544 | ||
545 | static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf, | |
546 | size_t count, loff_t *ppos) | |
547 | { | |
e0d687bd PR |
548 | struct ath5k_hw *ah = file->private_data; |
549 | struct ath5k_statistics *st = &ah->stats; | |
7644395f BR |
550 | char buf[700]; |
551 | unsigned int len = 0; | |
da35111a | 552 | int i; |
7644395f | 553 | |
e4bbf2f5 | 554 | len += snprintf(buf + len, sizeof(buf) - len, |
7644395f | 555 | "RX\n---------------------\n"); |
e4bbf2f5 | 556 | len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n", |
7644395f BR |
557 | st->rxerr_crc, |
558 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
559 | st->rxerr_crc * 100 / st->rx_all_count : 0); |
560 | len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n", | |
7644395f BR |
561 | st->rxerr_phy, |
562 | st->rx_all_count > 0 ? | |
e4bbf2f5 | 563 | st->rxerr_phy * 100 / st->rx_all_count : 0); |
da35111a BR |
564 | for (i = 0; i < 32; i++) { |
565 | if (st->rxerr_phy_code[i]) | |
e4bbf2f5 | 566 | len += snprintf(buf + len, sizeof(buf) - len, |
5d882c97 | 567 | " phy_err[%u]\t%u\n", |
da35111a BR |
568 | i, st->rxerr_phy_code[i]); |
569 | } | |
570 | ||
e4bbf2f5 | 571 | len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n", |
7644395f BR |
572 | st->rxerr_fifo, |
573 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
574 | st->rxerr_fifo * 100 / st->rx_all_count : 0); |
575 | len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n", | |
7644395f BR |
576 | st->rxerr_decrypt, |
577 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
578 | st->rxerr_decrypt * 100 / st->rx_all_count : 0); |
579 | len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n", | |
7644395f BR |
580 | st->rxerr_mic, |
581 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
582 | st->rxerr_mic * 100 / st->rx_all_count : 0); |
583 | len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n", | |
7644395f BR |
584 | st->rxerr_proc, |
585 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
586 | st->rxerr_proc * 100 / st->rx_all_count : 0); |
587 | len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n", | |
7644395f BR |
588 | st->rxerr_jumbo, |
589 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
590 | st->rxerr_jumbo * 100 / st->rx_all_count : 0); |
591 | len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n", | |
7644395f | 592 | st->rx_all_count); |
e4bbf2f5 | 593 | len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n", |
b72acddb | 594 | st->rx_bytes_count); |
7644395f | 595 | |
e4bbf2f5 | 596 | len += snprintf(buf + len, sizeof(buf) - len, |
7644395f | 597 | "\nTX\n---------------------\n"); |
e4bbf2f5 | 598 | len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n", |
7644395f BR |
599 | st->txerr_retry, |
600 | st->tx_all_count > 0 ? | |
e4bbf2f5 PR |
601 | st->txerr_retry * 100 / st->tx_all_count : 0); |
602 | len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n", | |
7644395f BR |
603 | st->txerr_fifo, |
604 | st->tx_all_count > 0 ? | |
e4bbf2f5 PR |
605 | st->txerr_fifo * 100 / st->tx_all_count : 0); |
606 | len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n", | |
7644395f BR |
607 | st->txerr_filt, |
608 | st->tx_all_count > 0 ? | |
e4bbf2f5 PR |
609 | st->txerr_filt * 100 / st->tx_all_count : 0); |
610 | len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n", | |
7644395f | 611 | st->tx_all_count); |
e4bbf2f5 | 612 | len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n", |
b72acddb | 613 | st->tx_bytes_count); |
7644395f | 614 | |
2189d13f DC |
615 | if (len > sizeof(buf)) |
616 | len = sizeof(buf); | |
617 | ||
7644395f BR |
618 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
619 | } | |
620 | ||
621 | static ssize_t write_file_frameerrors(struct file *file, | |
622 | const char __user *userbuf, | |
623 | size_t count, loff_t *ppos) | |
624 | { | |
e0d687bd PR |
625 | struct ath5k_hw *ah = file->private_data; |
626 | struct ath5k_statistics *st = &ah->stats; | |
7644395f BR |
627 | char buf[20]; |
628 | ||
8aada63c DH |
629 | count = min_t(size_t, count, sizeof(buf) - 1); |
630 | if (copy_from_user(buf, userbuf, count)) | |
7644395f BR |
631 | return -EFAULT; |
632 | ||
8aada63c | 633 | buf[count] = '\0'; |
7644395f BR |
634 | if (strncmp(buf, "clear", 5) == 0) { |
635 | st->rxerr_crc = 0; | |
636 | st->rxerr_phy = 0; | |
637 | st->rxerr_fifo = 0; | |
638 | st->rxerr_decrypt = 0; | |
639 | st->rxerr_mic = 0; | |
640 | st->rxerr_proc = 0; | |
641 | st->rxerr_jumbo = 0; | |
642 | st->rx_all_count = 0; | |
643 | st->txerr_retry = 0; | |
644 | st->txerr_fifo = 0; | |
645 | st->txerr_filt = 0; | |
646 | st->tx_all_count = 0; | |
516304b0 | 647 | pr_info("debug: cleared frameerrors stats\n"); |
7644395f BR |
648 | } |
649 | return count; | |
650 | } | |
651 | ||
652 | static const struct file_operations fops_frameerrors = { | |
653 | .read = read_file_frameerrors, | |
654 | .write = write_file_frameerrors, | |
234e3405 | 655 | .open = simple_open, |
7644395f | 656 | .owner = THIS_MODULE, |
6038f373 | 657 | .llseek = default_llseek, |
7644395f BR |
658 | }; |
659 | ||
660 | ||
2111ac0d BR |
661 | /* debugfs: ani */ |
662 | ||
663 | static ssize_t read_file_ani(struct file *file, char __user *user_buf, | |
664 | size_t count, loff_t *ppos) | |
665 | { | |
e0d687bd PR |
666 | struct ath5k_hw *ah = file->private_data; |
667 | struct ath5k_statistics *st = &ah->stats; | |
668 | struct ath5k_ani_state *as = &ah->ani_state; | |
2111ac0d BR |
669 | |
670 | char buf[700]; | |
671 | unsigned int len = 0; | |
672 | ||
e4bbf2f5 | 673 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 674 | "HW has PHY error counters:\t%s\n", |
e0d687bd | 675 | ah->ah_capabilities.cap_has_phyerr_counters ? |
2111ac0d | 676 | "yes" : "no"); |
e4bbf2f5 | 677 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
678 | "HW max spur immunity level:\t%d\n", |
679 | as->max_spur_level); | |
e4bbf2f5 | 680 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 681 | "\nANI state\n--------------------------------------------\n"); |
e4bbf2f5 | 682 | len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t"); |
2111ac0d BR |
683 | switch (as->ani_mode) { |
684 | case ATH5K_ANI_MODE_OFF: | |
e4bbf2f5 | 685 | len += snprintf(buf + len, sizeof(buf) - len, "OFF\n"); |
2111ac0d BR |
686 | break; |
687 | case ATH5K_ANI_MODE_MANUAL_LOW: | |
e4bbf2f5 | 688 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
689 | "MANUAL LOW\n"); |
690 | break; | |
691 | case ATH5K_ANI_MODE_MANUAL_HIGH: | |
e4bbf2f5 | 692 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
693 | "MANUAL HIGH\n"); |
694 | break; | |
695 | case ATH5K_ANI_MODE_AUTO: | |
e4bbf2f5 | 696 | len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n"); |
2111ac0d BR |
697 | break; |
698 | default: | |
e4bbf2f5 | 699 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
700 | "??? (not good)\n"); |
701 | break; | |
702 | } | |
e4bbf2f5 | 703 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
704 | "noise immunity level:\t\t%d\n", |
705 | as->noise_imm_level); | |
e4bbf2f5 | 706 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
707 | "spur immunity level:\t\t%d\n", |
708 | as->spur_level); | |
e4bbf2f5 PR |
709 | len += snprintf(buf + len, sizeof(buf) - len, |
710 | "firstep level:\t\t\t%d\n", | |
2111ac0d | 711 | as->firstep_level); |
e4bbf2f5 | 712 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
713 | "OFDM weak signal detection:\t%s\n", |
714 | as->ofdm_weak_sig ? "on" : "off"); | |
e4bbf2f5 | 715 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
716 | "CCK weak signal detection:\t%s\n", |
717 | as->cck_weak_sig ? "on" : "off"); | |
718 | ||
e4bbf2f5 | 719 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
720 | "\nMIB INTERRUPTS:\t\t%u\n", |
721 | st->mib_intr); | |
e4bbf2f5 | 722 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 723 | "beacon RSSI average:\t%d\n", |
46f26ddf | 724 | (int)ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg)); |
7109ca5c FF |
725 | |
726 | #define CC_PRINT(_struct, _field) \ | |
727 | _struct._field, \ | |
728 | _struct.cycles > 0 ? \ | |
e4bbf2f5 | 729 | _struct._field * 100 / _struct.cycles : 0 |
7109ca5c | 730 | |
e4bbf2f5 PR |
731 | len += snprintf(buf + len, sizeof(buf) - len, |
732 | "profcnt tx\t\t%u\t(%d%%)\n", | |
7109ca5c | 733 | CC_PRINT(as->last_cc, tx_frame)); |
e4bbf2f5 PR |
734 | len += snprintf(buf + len, sizeof(buf) - len, |
735 | "profcnt rx\t\t%u\t(%d%%)\n", | |
7109ca5c | 736 | CC_PRINT(as->last_cc, rx_frame)); |
e4bbf2f5 PR |
737 | len += snprintf(buf + len, sizeof(buf) - len, |
738 | "profcnt busy\t\t%u\t(%d%%)\n", | |
7109ca5c FF |
739 | CC_PRINT(as->last_cc, rx_busy)); |
740 | #undef CC_PRINT | |
e4bbf2f5 | 741 | len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n", |
7109ca5c | 742 | as->last_cc.cycles); |
e4bbf2f5 | 743 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
744 | "listen time\t\t%d\tlast: %d\n", |
745 | as->listen_time, as->last_listen); | |
e4bbf2f5 | 746 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
747 | "OFDM errors\t\t%u\tlast: %u\tsum: %u\n", |
748 | as->ofdm_errors, as->last_ofdm_errors, | |
749 | as->sum_ofdm_errors); | |
e4bbf2f5 | 750 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
751 | "CCK errors\t\t%u\tlast: %u\tsum: %u\n", |
752 | as->cck_errors, as->last_cck_errors, | |
753 | as->sum_cck_errors); | |
e4bbf2f5 | 754 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 755 | "AR5K_PHYERR_CNT1\t%x\t(=%d)\n", |
e0d687bd | 756 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1), |
2111ac0d | 757 | ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - |
e0d687bd | 758 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1))); |
e4bbf2f5 | 759 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 760 | "AR5K_PHYERR_CNT2\t%x\t(=%d)\n", |
e0d687bd | 761 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2), |
2111ac0d | 762 | ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - |
e0d687bd | 763 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2))); |
2111ac0d | 764 | |
2189d13f DC |
765 | if (len > sizeof(buf)) |
766 | len = sizeof(buf); | |
767 | ||
2111ac0d BR |
768 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
769 | } | |
770 | ||
771 | static ssize_t write_file_ani(struct file *file, | |
772 | const char __user *userbuf, | |
773 | size_t count, loff_t *ppos) | |
774 | { | |
e0d687bd | 775 | struct ath5k_hw *ah = file->private_data; |
2111ac0d BR |
776 | char buf[20]; |
777 | ||
8aada63c DH |
778 | count = min_t(size_t, count, sizeof(buf) - 1); |
779 | if (copy_from_user(buf, userbuf, count)) | |
2111ac0d BR |
780 | return -EFAULT; |
781 | ||
8aada63c | 782 | buf[count] = '\0'; |
2111ac0d | 783 | if (strncmp(buf, "sens-low", 8) == 0) { |
e0d687bd | 784 | ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH); |
2111ac0d | 785 | } else if (strncmp(buf, "sens-high", 9) == 0) { |
e0d687bd | 786 | ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW); |
2111ac0d | 787 | } else if (strncmp(buf, "ani-off", 7) == 0) { |
e0d687bd | 788 | ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF); |
2111ac0d | 789 | } else if (strncmp(buf, "ani-on", 6) == 0) { |
e0d687bd | 790 | ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO); |
2111ac0d | 791 | } else if (strncmp(buf, "noise-low", 9) == 0) { |
e0d687bd | 792 | ath5k_ani_set_noise_immunity_level(ah, 0); |
2111ac0d | 793 | } else if (strncmp(buf, "noise-high", 10) == 0) { |
e0d687bd | 794 | ath5k_ani_set_noise_immunity_level(ah, |
2111ac0d BR |
795 | ATH5K_ANI_MAX_NOISE_IMM_LVL); |
796 | } else if (strncmp(buf, "spur-low", 8) == 0) { | |
e0d687bd | 797 | ath5k_ani_set_spur_immunity_level(ah, 0); |
2111ac0d | 798 | } else if (strncmp(buf, "spur-high", 9) == 0) { |
e0d687bd PR |
799 | ath5k_ani_set_spur_immunity_level(ah, |
800 | ah->ani_state.max_spur_level); | |
2111ac0d | 801 | } else if (strncmp(buf, "fir-low", 7) == 0) { |
e0d687bd | 802 | ath5k_ani_set_firstep_level(ah, 0); |
2111ac0d | 803 | } else if (strncmp(buf, "fir-high", 8) == 0) { |
e0d687bd | 804 | ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL); |
2111ac0d | 805 | } else if (strncmp(buf, "ofdm-off", 8) == 0) { |
e0d687bd | 806 | ath5k_ani_set_ofdm_weak_signal_detection(ah, false); |
2111ac0d | 807 | } else if (strncmp(buf, "ofdm-on", 7) == 0) { |
e0d687bd | 808 | ath5k_ani_set_ofdm_weak_signal_detection(ah, true); |
2111ac0d | 809 | } else if (strncmp(buf, "cck-off", 7) == 0) { |
e0d687bd | 810 | ath5k_ani_set_cck_weak_signal_detection(ah, false); |
2111ac0d | 811 | } else if (strncmp(buf, "cck-on", 6) == 0) { |
e0d687bd | 812 | ath5k_ani_set_cck_weak_signal_detection(ah, true); |
2111ac0d BR |
813 | } |
814 | return count; | |
815 | } | |
816 | ||
817 | static const struct file_operations fops_ani = { | |
818 | .read = read_file_ani, | |
819 | .write = write_file_ani, | |
234e3405 | 820 | .open = simple_open, |
2111ac0d | 821 | .owner = THIS_MODULE, |
6038f373 | 822 | .llseek = default_llseek, |
2111ac0d BR |
823 | }; |
824 | ||
825 | ||
3cfd43f4 BR |
826 | /* debugfs: queues etc */ |
827 | ||
828 | static ssize_t read_file_queue(struct file *file, char __user *user_buf, | |
829 | size_t count, loff_t *ppos) | |
830 | { | |
e0d687bd | 831 | struct ath5k_hw *ah = file->private_data; |
3cfd43f4 BR |
832 | char buf[700]; |
833 | unsigned int len = 0; | |
834 | ||
835 | struct ath5k_txq *txq; | |
836 | struct ath5k_buf *bf, *bf0; | |
cfddc11c | 837 | int i, n; |
3cfd43f4 | 838 | |
e4bbf2f5 | 839 | len += snprintf(buf + len, sizeof(buf) - len, |
e0d687bd | 840 | "available txbuffers: %d\n", ah->txbuf_len); |
3cfd43f4 | 841 | |
e0d687bd PR |
842 | for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) { |
843 | txq = &ah->txqs[i]; | |
3cfd43f4 | 844 | |
e4bbf2f5 | 845 | len += snprintf(buf + len, sizeof(buf) - len, |
3cfd43f4 BR |
846 | "%02d: %ssetup\n", i, txq->setup ? "" : "not "); |
847 | ||
848 | if (!txq->setup) | |
849 | continue; | |
850 | ||
cfddc11c BR |
851 | n = 0; |
852 | spin_lock_bh(&txq->lock); | |
3cfd43f4 BR |
853 | list_for_each_entry_safe(bf, bf0, &txq->q, list) |
854 | n++; | |
cfddc11c BR |
855 | spin_unlock_bh(&txq->lock); |
856 | ||
e4bbf2f5 | 857 | len += snprintf(buf + len, sizeof(buf) - len, |
cfddc11c | 858 | " len: %d bufs: %d\n", txq->txq_len, n); |
e4bbf2f5 | 859 | len += snprintf(buf + len, sizeof(buf) - len, |
923e5b3d | 860 | " stuck: %d\n", txq->txq_stuck); |
3cfd43f4 BR |
861 | } |
862 | ||
2189d13f DC |
863 | if (len > sizeof(buf)) |
864 | len = sizeof(buf); | |
865 | ||
3cfd43f4 BR |
866 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
867 | } | |
868 | ||
869 | static ssize_t write_file_queue(struct file *file, | |
870 | const char __user *userbuf, | |
871 | size_t count, loff_t *ppos) | |
872 | { | |
e0d687bd | 873 | struct ath5k_hw *ah = file->private_data; |
3cfd43f4 BR |
874 | char buf[20]; |
875 | ||
8aada63c DH |
876 | count = min_t(size_t, count, sizeof(buf) - 1); |
877 | if (copy_from_user(buf, userbuf, count)) | |
3cfd43f4 BR |
878 | return -EFAULT; |
879 | ||
8aada63c | 880 | buf[count] = '\0'; |
3cfd43f4 | 881 | if (strncmp(buf, "start", 5) == 0) |
e0d687bd | 882 | ieee80211_wake_queues(ah->hw); |
3cfd43f4 | 883 | else if (strncmp(buf, "stop", 4) == 0) |
e0d687bd | 884 | ieee80211_stop_queues(ah->hw); |
3cfd43f4 BR |
885 | |
886 | return count; | |
887 | } | |
888 | ||
889 | ||
890 | static const struct file_operations fops_queue = { | |
891 | .read = read_file_queue, | |
892 | .write = write_file_queue, | |
234e3405 | 893 | .open = simple_open, |
3cfd43f4 | 894 | .owner = THIS_MODULE, |
6038f373 | 895 | .llseek = default_llseek, |
3cfd43f4 BR |
896 | }; |
897 | ||
db906eb2 JB |
898 | /* debugfs: eeprom */ |
899 | ||
900 | struct eeprom_private { | |
901 | u16 *buf; | |
902 | int len; | |
903 | }; | |
904 | ||
905 | static int open_file_eeprom(struct inode *inode, struct file *file) | |
906 | { | |
907 | struct eeprom_private *ep; | |
908 | struct ath5k_hw *ah = inode->i_private; | |
909 | bool res; | |
910 | int i, ret; | |
af8a9a67 | 911 | u32 eesize; /* NB: in 16-bit words */ |
db906eb2 JB |
912 | u16 val, *buf; |
913 | ||
914 | /* Get eeprom size */ | |
915 | ||
916 | res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val); | |
917 | if (!res) | |
918 | return -EACCES; | |
919 | ||
920 | if (val == 0) { | |
921 | eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE; | |
922 | } else { | |
923 | eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << | |
924 | AR5K_EEPROM_SIZE_ENDLOC_SHIFT; | |
925 | ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val); | |
926 | eesize = eesize | val; | |
927 | } | |
928 | ||
929 | if (eesize > 4096) | |
930 | return -EINVAL; | |
931 | ||
932 | /* Create buffer and read in eeprom */ | |
933 | ||
af8a9a67 | 934 | buf = vmalloc(eesize * 2); |
db906eb2 JB |
935 | if (!buf) { |
936 | ret = -ENOMEM; | |
937 | goto err; | |
938 | } | |
939 | ||
940 | for (i = 0; i < eesize; ++i) { | |
941 | AR5K_EEPROM_READ(i, val); | |
942 | buf[i] = val; | |
943 | } | |
944 | ||
945 | /* Create private struct and assign to file */ | |
946 | ||
947 | ep = kmalloc(sizeof(*ep), GFP_KERNEL); | |
948 | if (!ep) { | |
949 | ret = -ENOMEM; | |
950 | goto freebuf; | |
951 | } | |
952 | ||
953 | ep->buf = buf; | |
af8a9a67 | 954 | ep->len = eesize * 2; |
db906eb2 JB |
955 | |
956 | file->private_data = (void *)ep; | |
957 | ||
958 | return 0; | |
959 | ||
960 | freebuf: | |
961 | vfree(buf); | |
962 | err: | |
963 | return ret; | |
964 | ||
965 | } | |
966 | ||
967 | static ssize_t read_file_eeprom(struct file *file, char __user *user_buf, | |
968 | size_t count, loff_t *ppos) | |
969 | { | |
970 | struct eeprom_private *ep = file->private_data; | |
971 | ||
972 | return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len); | |
973 | } | |
974 | ||
975 | static int release_file_eeprom(struct inode *inode, struct file *file) | |
976 | { | |
977 | struct eeprom_private *ep = file->private_data; | |
978 | ||
979 | vfree(ep->buf); | |
980 | kfree(ep); | |
981 | ||
982 | return 0; | |
983 | } | |
984 | ||
985 | static const struct file_operations fops_eeprom = { | |
986 | .open = open_file_eeprom, | |
987 | .read = read_file_eeprom, | |
988 | .release = release_file_eeprom, | |
989 | .owner = THIS_MODULE, | |
990 | }; | |
991 | ||
3cfd43f4 | 992 | |
fa1c114f | 993 | void |
e0d687bd | 994 | ath5k_debug_init_device(struct ath5k_hw *ah) |
fa1c114f | 995 | { |
5b7916ad | 996 | struct dentry *phydir; |
be9b7259 | 997 | |
e0d687bd | 998 | ah->debug.level = ath5k_debug; |
be9b7259 | 999 | |
e0d687bd | 1000 | phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir); |
5b7916ad | 1001 | if (!phydir) |
e4bbf2f5 | 1002 | return; |
fa1c114f | 1003 | |
e0d687bd | 1004 | debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1005 | &fops_debug); |
fa1c114f | 1006 | |
e0d687bd | 1007 | debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers); |
fa1c114f | 1008 | |
e0d687bd | 1009 | debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1010 | &fops_beacon); |
604eeadd | 1011 | |
e0d687bd | 1012 | debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset); |
7644395f | 1013 | |
e0d687bd | 1014 | debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1015 | &fops_antenna); |
87fd2e6c | 1016 | |
e0d687bd | 1017 | debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc); |
2111ac0d | 1018 | |
db906eb2 JB |
1019 | debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom); |
1020 | ||
e0d687bd | 1021 | debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1022 | &fops_frameerrors); |
3cfd43f4 | 1023 | |
e0d687bd | 1024 | debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani); |
fa1c114f | 1025 | |
e0d687bd | 1026 | debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1027 | &fops_queue); |
6340211c FF |
1028 | |
1029 | debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir, | |
e0d687bd | 1030 | &ah->ah_use_32khz_clock); |
fa1c114f JS |
1031 | } |
1032 | ||
fa1c114f JS |
1033 | /* functions used in other places */ |
1034 | ||
1035 | void | |
e0d687bd | 1036 | ath5k_debug_dump_bands(struct ath5k_hw *ah) |
fa1c114f | 1037 | { |
b446197c | 1038 | unsigned int b, i; |
fa1c114f | 1039 | |
e0d687bd | 1040 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS))) |
fa1c114f JS |
1041 | return; |
1042 | ||
e0d687bd | 1043 | BUG_ON(!ah->sbands); |
b446197c | 1044 | |
57fbcce3 | 1045 | for (b = 0; b < NUM_NL80211_BANDS; b++) { |
e0d687bd | 1046 | struct ieee80211_supported_band *band = &ah->sbands[b]; |
b7fcb5c4 | 1047 | char bname[6]; |
b446197c | 1048 | switch (band->band) { |
57fbcce3 | 1049 | case NL80211_BAND_2GHZ: |
b446197c LR |
1050 | strcpy(bname, "2 GHz"); |
1051 | break; | |
57fbcce3 | 1052 | case NL80211_BAND_5GHZ: |
b446197c LR |
1053 | strcpy(bname, "5 GHz"); |
1054 | break; | |
1055 | default: | |
1056 | printk(KERN_DEBUG "Band not supported: %d\n", | |
1057 | band->band); | |
1058 | return; | |
1059 | } | |
1060 | printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname, | |
1061 | band->n_channels, band->n_bitrates); | |
fa1c114f | 1062 | printk(KERN_DEBUG " channels:\n"); |
b446197c | 1063 | for (i = 0; i < band->n_channels; i++) |
fa1c114f | 1064 | printk(KERN_DEBUG " %3d %d %.4x %.4x\n", |
b446197c LR |
1065 | ieee80211_frequency_to_channel( |
1066 | band->channels[i].center_freq), | |
1067 | band->channels[i].center_freq, | |
1068 | band->channels[i].hw_value, | |
1069 | band->channels[i].flags); | |
fa1c114f | 1070 | printk(KERN_DEBUG " rates:\n"); |
b446197c | 1071 | for (i = 0; i < band->n_bitrates; i++) |
fa1c114f | 1072 | printk(KERN_DEBUG " %4d %.4x %.4x %.4x\n", |
b446197c LR |
1073 | band->bitrates[i].bitrate, |
1074 | band->bitrates[i].hw_value, | |
1075 | band->bitrates[i].flags, | |
1076 | band->bitrates[i].hw_value_short); | |
fa1c114f JS |
1077 | } |
1078 | } | |
1079 | ||
1080 | static inline void | |
b47f407b BR |
1081 | ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done, |
1082 | struct ath5k_rx_status *rs) | |
fa1c114f JS |
1083 | { |
1084 | struct ath5k_desc *ds = bf->desc; | |
19fd6e55 | 1085 | struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx; |
fa1c114f JS |
1086 | |
1087 | printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n", | |
1088 | ds, (unsigned long long)bf->daddr, | |
19fd6e55 BR |
1089 | ds->ds_link, ds->ds_data, |
1090 | rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1, | |
62412a8f | 1091 | rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1, |
b47f407b | 1092 | !done ? ' ' : (rs->rs_status == 0) ? '*' : '!'); |
fa1c114f JS |
1093 | } |
1094 | ||
1095 | void | |
e0d687bd | 1096 | ath5k_debug_printrxbuffs(struct ath5k_hw *ah) |
fa1c114f JS |
1097 | { |
1098 | struct ath5k_desc *ds; | |
1099 | struct ath5k_buf *bf; | |
b47f407b | 1100 | struct ath5k_rx_status rs = {}; |
fa1c114f JS |
1101 | int status; |
1102 | ||
e0d687bd | 1103 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC))) |
fa1c114f JS |
1104 | return; |
1105 | ||
265faadd | 1106 | printk(KERN_DEBUG "rxdp %x, rxlink %p\n", |
e0d687bd | 1107 | ath5k_hw_get_rxdp(ah), ah->rxlink); |
fa1c114f | 1108 | |
e0d687bd PR |
1109 | spin_lock_bh(&ah->rxbuflock); |
1110 | list_for_each_entry(bf, &ah->rxbuf, list) { | |
fa1c114f | 1111 | ds = bf->desc; |
b47f407b | 1112 | status = ah->ah_proc_rx_desc(ah, ds, &rs); |
be9b7259 | 1113 | if (!status) |
b47f407b | 1114 | ath5k_debug_printrxbuf(bf, status == 0, &rs); |
fa1c114f | 1115 | } |
e0d687bd | 1116 | spin_unlock_bh(&ah->rxbuflock); |
fa1c114f JS |
1117 | } |
1118 | ||
fa1c114f | 1119 | void |
e0d687bd | 1120 | ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf) |
fa1c114f JS |
1121 | { |
1122 | struct ath5k_desc *ds = bf->desc; | |
19fd6e55 | 1123 | struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212; |
b47f407b BR |
1124 | struct ath5k_tx_status ts = {}; |
1125 | int done; | |
fa1c114f | 1126 | |
e0d687bd | 1127 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC))) |
fa1c114f JS |
1128 | return; |
1129 | ||
e0d687bd | 1130 | done = ah->ah_proc_tx_desc(ah, bf->desc, &ts); |
b47f407b | 1131 | |
fa1c114f JS |
1132 | printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x " |
1133 | "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link, | |
19fd6e55 BR |
1134 | ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1, |
1135 | td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3, | |
1136 | td->tx_stat.tx_status_0, td->tx_stat.tx_status_1, | |
b47f407b | 1137 | done ? ' ' : (ts.ts_status == 0) ? '*' : '!'); |
fa1c114f | 1138 | } |