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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> | |
005eff59 | 69 | #include <linux/vmalloc.h> |
c6e387a2 | 70 | #include "debug.h" |
931be260 PR |
71 | #include "ath5k.h" |
72 | #include "reg.h" | |
73 | #include "base.h" | |
fa1c114f JS |
74 | |
75 | static unsigned int ath5k_debug; | |
76 | module_param_named(debug, ath5k_debug, uint, 0); | |
77 | ||
78 | ||
fa1c114f JS |
79 | /* debugfs: registers */ |
80 | ||
81 | struct reg { | |
2c91108c | 82 | const char *name; |
fa1c114f JS |
83 | int addr; |
84 | }; | |
85 | ||
86 | #define REG_STRUCT_INIT(r) { #r, r } | |
87 | ||
88 | /* just a few random registers, might want to add more */ | |
2c91108c | 89 | static const struct reg regs[] = { |
fa1c114f JS |
90 | REG_STRUCT_INIT(AR5K_CR), |
91 | REG_STRUCT_INIT(AR5K_RXDP), | |
92 | REG_STRUCT_INIT(AR5K_CFG), | |
93 | REG_STRUCT_INIT(AR5K_IER), | |
94 | REG_STRUCT_INIT(AR5K_BCR), | |
95 | REG_STRUCT_INIT(AR5K_RTSD0), | |
96 | REG_STRUCT_INIT(AR5K_RTSD1), | |
97 | REG_STRUCT_INIT(AR5K_TXCFG), | |
98 | REG_STRUCT_INIT(AR5K_RXCFG), | |
99 | REG_STRUCT_INIT(AR5K_RXJLA), | |
100 | REG_STRUCT_INIT(AR5K_MIBC), | |
101 | REG_STRUCT_INIT(AR5K_TOPS), | |
102 | REG_STRUCT_INIT(AR5K_RXNOFRM), | |
103 | REG_STRUCT_INIT(AR5K_TXNOFRM), | |
104 | REG_STRUCT_INIT(AR5K_RPGTO), | |
105 | REG_STRUCT_INIT(AR5K_RFCNT), | |
106 | REG_STRUCT_INIT(AR5K_MISC), | |
107 | REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT), | |
108 | REG_STRUCT_INIT(AR5K_ISR), | |
109 | REG_STRUCT_INIT(AR5K_PISR), | |
110 | REG_STRUCT_INIT(AR5K_SISR0), | |
111 | REG_STRUCT_INIT(AR5K_SISR1), | |
112 | REG_STRUCT_INIT(AR5K_SISR2), | |
113 | REG_STRUCT_INIT(AR5K_SISR3), | |
114 | REG_STRUCT_INIT(AR5K_SISR4), | |
115 | REG_STRUCT_INIT(AR5K_IMR), | |
116 | REG_STRUCT_INIT(AR5K_PIMR), | |
117 | REG_STRUCT_INIT(AR5K_SIMR0), | |
118 | REG_STRUCT_INIT(AR5K_SIMR1), | |
119 | REG_STRUCT_INIT(AR5K_SIMR2), | |
120 | REG_STRUCT_INIT(AR5K_SIMR3), | |
121 | REG_STRUCT_INIT(AR5K_SIMR4), | |
122 | REG_STRUCT_INIT(AR5K_DCM_ADDR), | |
123 | REG_STRUCT_INIT(AR5K_DCCFG), | |
124 | REG_STRUCT_INIT(AR5K_CCFG), | |
125 | REG_STRUCT_INIT(AR5K_CPC0), | |
126 | REG_STRUCT_INIT(AR5K_CPC1), | |
127 | REG_STRUCT_INIT(AR5K_CPC2), | |
128 | REG_STRUCT_INIT(AR5K_CPC3), | |
0bacdf30 | 129 | REG_STRUCT_INIT(AR5K_CPCOVF), |
fa1c114f JS |
130 | REG_STRUCT_INIT(AR5K_RESET_CTL), |
131 | REG_STRUCT_INIT(AR5K_SLEEP_CTL), | |
132 | REG_STRUCT_INIT(AR5K_INTPEND), | |
133 | REG_STRUCT_INIT(AR5K_SFR), | |
134 | REG_STRUCT_INIT(AR5K_PCICFG), | |
135 | REG_STRUCT_INIT(AR5K_GPIOCR), | |
136 | REG_STRUCT_INIT(AR5K_GPIODO), | |
137 | REG_STRUCT_INIT(AR5K_SREV), | |
138 | }; | |
139 | ||
140 | static void *reg_start(struct seq_file *seq, loff_t *pos) | |
141 | { | |
2c91108c | 142 | return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL; |
fa1c114f JS |
143 | } |
144 | ||
145 | static void reg_stop(struct seq_file *seq, void *p) | |
146 | { | |
147 | /* nothing to do */ | |
148 | } | |
149 | ||
150 | static void *reg_next(struct seq_file *seq, void *p, loff_t *pos) | |
151 | { | |
152 | ++*pos; | |
2c91108c | 153 | return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL; |
fa1c114f JS |
154 | } |
155 | ||
156 | static int reg_show(struct seq_file *seq, void *p) | |
157 | { | |
e0d687bd | 158 | struct ath5k_hw *ah = seq->private; |
fa1c114f JS |
159 | struct reg *r = p; |
160 | seq_printf(seq, "%-25s0x%08x\n", r->name, | |
e0d687bd | 161 | ath5k_hw_reg_read(ah, r->addr)); |
fa1c114f JS |
162 | return 0; |
163 | } | |
164 | ||
4101dec9 | 165 | static const struct seq_operations register_seq_ops = { |
fa1c114f JS |
166 | .start = reg_start, |
167 | .next = reg_next, | |
168 | .stop = reg_stop, | |
169 | .show = reg_show | |
170 | }; | |
171 | ||
172 | static int open_file_registers(struct inode *inode, struct file *file) | |
173 | { | |
174 | struct seq_file *s; | |
175 | int res; | |
176 | res = seq_open(file, ®ister_seq_ops); | |
177 | if (res == 0) { | |
178 | s = file->private_data; | |
179 | s->private = inode->i_private; | |
180 | } | |
181 | return res; | |
182 | } | |
183 | ||
184 | static const struct file_operations fops_registers = { | |
185 | .open = open_file_registers, | |
186 | .read = seq_read, | |
187 | .llseek = seq_lseek, | |
188 | .release = seq_release, | |
189 | .owner = THIS_MODULE, | |
190 | }; | |
191 | ||
192 | ||
fa1c114f JS |
193 | /* debugfs: beacons */ |
194 | ||
195 | static ssize_t read_file_beacon(struct file *file, char __user *user_buf, | |
196 | size_t count, loff_t *ppos) | |
197 | { | |
e0d687bd | 198 | struct ath5k_hw *ah = file->private_data; |
be9b7259 BR |
199 | char buf[500]; |
200 | unsigned int len = 0; | |
fa1c114f JS |
201 | unsigned int v; |
202 | u64 tsf; | |
203 | ||
e0d687bd | 204 | v = ath5k_hw_reg_read(ah, AR5K_BEACON); |
e4bbf2f5 | 205 | len += snprintf(buf + len, sizeof(buf) - len, |
fa1c114f JS |
206 | "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n", |
207 | "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD, | |
208 | (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S); | |
209 | ||
e4bbf2f5 | 210 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n", |
e0d687bd | 211 | "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP)); |
fa1c114f | 212 | |
e4bbf2f5 | 213 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n", |
e0d687bd | 214 | "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT)); |
fa1c114f | 215 | |
e0d687bd | 216 | v = ath5k_hw_reg_read(ah, AR5K_TIMER0); |
e4bbf2f5 | 217 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
218 | "AR5K_TIMER0 (TBTT)", v, v); |
219 | ||
e0d687bd | 220 | v = ath5k_hw_reg_read(ah, AR5K_TIMER1); |
e4bbf2f5 | 221 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
222 | "AR5K_TIMER1 (DMA)", v, v >> 3); |
223 | ||
e0d687bd | 224 | v = ath5k_hw_reg_read(ah, AR5K_TIMER2); |
e4bbf2f5 | 225 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
226 | "AR5K_TIMER2 (SWBA)", v, v >> 3); |
227 | ||
e0d687bd | 228 | v = ath5k_hw_reg_read(ah, AR5K_TIMER3); |
e4bbf2f5 | 229 | len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", |
fa1c114f JS |
230 | "AR5K_TIMER3 (ATIM)", v, v); |
231 | ||
e0d687bd | 232 | tsf = ath5k_hw_get_tsf64(ah); |
e4bbf2f5 | 233 | len += snprintf(buf + len, sizeof(buf) - len, |
f868f4e1 JL |
234 | "TSF\t\t0x%016llx\tTU: %08x\n", |
235 | (unsigned long long)tsf, TSF_TO_TU(tsf)); | |
fa1c114f | 236 | |
2189d13f DC |
237 | if (len > sizeof(buf)) |
238 | len = sizeof(buf); | |
239 | ||
fa1c114f JS |
240 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
241 | } | |
242 | ||
243 | static ssize_t write_file_beacon(struct file *file, | |
244 | const char __user *userbuf, | |
245 | size_t count, loff_t *ppos) | |
246 | { | |
e0d687bd | 247 | struct ath5k_hw *ah = file->private_data; |
be9b7259 | 248 | char buf[20]; |
fa1c114f | 249 | |
8aada63c DH |
250 | count = min_t(size_t, count, sizeof(buf) - 1); |
251 | if (copy_from_user(buf, userbuf, count)) | |
be9b7259 BR |
252 | return -EFAULT; |
253 | ||
8aada63c | 254 | buf[count] = '\0'; |
be9b7259 | 255 | if (strncmp(buf, "disable", 7) == 0) { |
fa1c114f | 256 | AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE); |
516304b0 | 257 | pr_info("debugfs disable beacons\n"); |
be9b7259 | 258 | } else if (strncmp(buf, "enable", 6) == 0) { |
fa1c114f | 259 | AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE); |
516304b0 | 260 | pr_info("debugfs enable beacons\n"); |
fa1c114f JS |
261 | } |
262 | return count; | |
263 | } | |
264 | ||
265 | static const struct file_operations fops_beacon = { | |
266 | .read = read_file_beacon, | |
267 | .write = write_file_beacon, | |
234e3405 | 268 | .open = simple_open, |
fa1c114f | 269 | .owner = THIS_MODULE, |
6038f373 | 270 | .llseek = default_llseek, |
fa1c114f JS |
271 | }; |
272 | ||
273 | ||
274 | /* debugfs: reset */ | |
275 | ||
276 | static ssize_t write_file_reset(struct file *file, | |
277 | const char __user *userbuf, | |
278 | size_t count, loff_t *ppos) | |
279 | { | |
e0d687bd PR |
280 | struct ath5k_hw *ah = file->private_data; |
281 | ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n"); | |
282 | ieee80211_queue_work(ah->hw, &ah->reset_work); | |
fa1c114f JS |
283 | return count; |
284 | } | |
285 | ||
286 | static const struct file_operations fops_reset = { | |
287 | .write = write_file_reset, | |
234e3405 | 288 | .open = simple_open, |
fa1c114f | 289 | .owner = THIS_MODULE, |
6038f373 | 290 | .llseek = noop_llseek, |
fa1c114f JS |
291 | }; |
292 | ||
293 | ||
be9b7259 BR |
294 | /* debugfs: debug level */ |
295 | ||
2c91108c | 296 | static const struct { |
be9b7259 BR |
297 | enum ath5k_debug_level level; |
298 | const char *name; | |
299 | const char *desc; | |
300 | } dbg_info[] = { | |
301 | { ATH5K_DEBUG_RESET, "reset", "reset and initialization" }, | |
302 | { ATH5K_DEBUG_INTR, "intr", "interrupt handling" }, | |
303 | { ATH5K_DEBUG_MODE, "mode", "mode init/setup" }, | |
304 | { ATH5K_DEBUG_XMIT, "xmit", "basic xmit operation" }, | |
305 | { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" }, | |
306 | { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" }, | |
307 | { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" }, | |
85519a65 | 308 | { ATH5K_DEBUG_LED, "led", "LED management" }, |
b446197c | 309 | { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" }, |
b3a28e68 | 310 | { ATH5K_DEBUG_DMA, "dma", "dma start/stop" }, |
2111ac0d | 311 | { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" }, |
b4c52612 | 312 | { ATH5K_DEBUG_DESC, "desc", "descriptor chains" }, |
be9b7259 BR |
313 | { ATH5K_DEBUG_ANY, "all", "show all debug levels" }, |
314 | }; | |
315 | ||
316 | static ssize_t read_file_debug(struct file *file, char __user *user_buf, | |
317 | size_t count, loff_t *ppos) | |
318 | { | |
e0d687bd | 319 | struct ath5k_hw *ah = file->private_data; |
be9b7259 BR |
320 | char buf[700]; |
321 | unsigned int len = 0; | |
322 | unsigned int i; | |
323 | ||
e4bbf2f5 | 324 | len += snprintf(buf + len, sizeof(buf) - len, |
e0d687bd | 325 | "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level); |
be9b7259 BR |
326 | |
327 | for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) { | |
e4bbf2f5 | 328 | len += snprintf(buf + len, sizeof(buf) - len, |
be9b7259 | 329 | "%10s %c 0x%08x - %s\n", dbg_info[i].name, |
e0d687bd | 330 | ah->debug.level & dbg_info[i].level ? '+' : ' ', |
be9b7259 BR |
331 | dbg_info[i].level, dbg_info[i].desc); |
332 | } | |
e4bbf2f5 | 333 | len += snprintf(buf + len, sizeof(buf) - len, |
be9b7259 | 334 | "%10s %c 0x%08x - %s\n", dbg_info[i].name, |
e0d687bd | 335 | ah->debug.level == dbg_info[i].level ? '+' : ' ', |
be9b7259 BR |
336 | dbg_info[i].level, dbg_info[i].desc); |
337 | ||
2189d13f DC |
338 | if (len > sizeof(buf)) |
339 | len = sizeof(buf); | |
340 | ||
be9b7259 BR |
341 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
342 | } | |
343 | ||
344 | static ssize_t write_file_debug(struct file *file, | |
345 | const char __user *userbuf, | |
346 | size_t count, loff_t *ppos) | |
347 | { | |
e0d687bd | 348 | struct ath5k_hw *ah = file->private_data; |
be9b7259 BR |
349 | unsigned int i; |
350 | char buf[20]; | |
351 | ||
8aada63c DH |
352 | count = min_t(size_t, count, sizeof(buf) - 1); |
353 | if (copy_from_user(buf, userbuf, count)) | |
be9b7259 BR |
354 | return -EFAULT; |
355 | ||
8aada63c | 356 | buf[count] = '\0'; |
be9b7259 BR |
357 | for (i = 0; i < ARRAY_SIZE(dbg_info); i++) { |
358 | if (strncmp(buf, dbg_info[i].name, | |
359 | strlen(dbg_info[i].name)) == 0) { | |
e0d687bd | 360 | ah->debug.level ^= dbg_info[i].level; /* toggle bit */ |
be9b7259 BR |
361 | break; |
362 | } | |
363 | } | |
364 | return count; | |
365 | } | |
366 | ||
367 | static const struct file_operations fops_debug = { | |
368 | .read = read_file_debug, | |
369 | .write = write_file_debug, | |
234e3405 | 370 | .open = simple_open, |
be9b7259 | 371 | .owner = THIS_MODULE, |
6038f373 | 372 | .llseek = default_llseek, |
be9b7259 BR |
373 | }; |
374 | ||
375 | ||
604eeadd BR |
376 | /* debugfs: antenna */ |
377 | ||
378 | static ssize_t read_file_antenna(struct file *file, char __user *user_buf, | |
379 | size_t count, loff_t *ppos) | |
380 | { | |
e0d687bd | 381 | struct ath5k_hw *ah = file->private_data; |
604eeadd BR |
382 | char buf[700]; |
383 | unsigned int len = 0; | |
384 | unsigned int i; | |
385 | unsigned int v; | |
386 | ||
e4bbf2f5 | 387 | len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n", |
e0d687bd | 388 | ah->ah_ant_mode); |
e4bbf2f5 | 389 | len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n", |
e0d687bd | 390 | ah->ah_def_ant); |
e4bbf2f5 | 391 | len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n", |
e0d687bd | 392 | ah->ah_tx_ant); |
604eeadd | 393 | |
e4bbf2f5 | 394 | len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n"); |
e0d687bd | 395 | for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) { |
e4bbf2f5 | 396 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd | 397 | "[antenna %d]\t%d\t%d\n", |
e0d687bd | 398 | i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]); |
604eeadd | 399 | } |
e4bbf2f5 | 400 | len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n", |
e0d687bd | 401 | ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]); |
604eeadd | 402 | |
e0d687bd | 403 | v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA); |
e4bbf2f5 | 404 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
405 | "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v); |
406 | ||
e0d687bd | 407 | v = ath5k_hw_reg_read(ah, AR5K_STA_ID1); |
e4bbf2f5 | 408 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
409 | "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n", |
410 | (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0); | |
e4bbf2f5 | 411 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
412 | "AR5K_STA_ID1_DESC_ANTENNA\t%d\n", |
413 | (v & AR5K_STA_ID1_DESC_ANTENNA) != 0); | |
e4bbf2f5 | 414 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
415 | "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n", |
416 | (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0); | |
e4bbf2f5 | 417 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
418 | "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n", |
419 | (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0); | |
420 | ||
e0d687bd | 421 | v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL); |
e4bbf2f5 | 422 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
423 | "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n", |
424 | (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0); | |
425 | ||
e0d687bd | 426 | v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART); |
e4bbf2f5 | 427 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
428 | "AR5K_PHY_RESTART_DIV_GC\t\t%x\n", |
429 | (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S); | |
430 | ||
e0d687bd | 431 | v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV); |
e4bbf2f5 | 432 | len += snprintf(buf + len, sizeof(buf) - len, |
604eeadd BR |
433 | "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n", |
434 | (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0); | |
435 | ||
e0d687bd | 436 | v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0); |
e4bbf2f5 | 437 | len += snprintf(buf + len, sizeof(buf) - len, |
0ca74027 | 438 | "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v); |
e0d687bd | 439 | v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1); |
e4bbf2f5 | 440 | len += snprintf(buf + len, sizeof(buf) - len, |
0ca74027 BR |
441 | "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v); |
442 | ||
2189d13f DC |
443 | if (len > sizeof(buf)) |
444 | len = sizeof(buf); | |
445 | ||
604eeadd BR |
446 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
447 | } | |
448 | ||
449 | static ssize_t write_file_antenna(struct file *file, | |
450 | const char __user *userbuf, | |
451 | size_t count, loff_t *ppos) | |
452 | { | |
e0d687bd | 453 | struct ath5k_hw *ah = file->private_data; |
604eeadd BR |
454 | unsigned int i; |
455 | char buf[20]; | |
456 | ||
8aada63c DH |
457 | count = min_t(size_t, count, sizeof(buf) - 1); |
458 | if (copy_from_user(buf, userbuf, count)) | |
604eeadd BR |
459 | return -EFAULT; |
460 | ||
8aada63c | 461 | buf[count] = '\0'; |
604eeadd | 462 | if (strncmp(buf, "diversity", 9) == 0) { |
e0d687bd | 463 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT); |
516304b0 | 464 | pr_info("debug: enable diversity\n"); |
604eeadd | 465 | } else if (strncmp(buf, "fixed-a", 7) == 0) { |
e0d687bd | 466 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A); |
516304b0 | 467 | pr_info("debug: fixed antenna A\n"); |
604eeadd | 468 | } else if (strncmp(buf, "fixed-b", 7) == 0) { |
e0d687bd | 469 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B); |
516304b0 | 470 | pr_info("debug: fixed antenna B\n"); |
604eeadd | 471 | } else if (strncmp(buf, "clear", 5) == 0) { |
e0d687bd PR |
472 | for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) { |
473 | ah->stats.antenna_rx[i] = 0; | |
474 | ah->stats.antenna_tx[i] = 0; | |
604eeadd | 475 | } |
516304b0 | 476 | pr_info("debug: cleared antenna stats\n"); |
604eeadd BR |
477 | } |
478 | return count; | |
479 | } | |
480 | ||
481 | static const struct file_operations fops_antenna = { | |
482 | .read = read_file_antenna, | |
483 | .write = write_file_antenna, | |
234e3405 | 484 | .open = simple_open, |
604eeadd | 485 | .owner = THIS_MODULE, |
6038f373 | 486 | .llseek = default_llseek, |
604eeadd BR |
487 | }; |
488 | ||
87fd2e6c BG |
489 | /* debugfs: misc */ |
490 | ||
491 | static ssize_t read_file_misc(struct file *file, char __user *user_buf, | |
492 | size_t count, loff_t *ppos) | |
493 | { | |
e0d687bd | 494 | struct ath5k_hw *ah = file->private_data; |
87fd2e6c BG |
495 | char buf[700]; |
496 | unsigned int len = 0; | |
e0d687bd | 497 | u32 filt = ath5k_hw_get_rx_filter(ah); |
87fd2e6c | 498 | |
e4bbf2f5 | 499 | len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n", |
e0d687bd | 500 | ah->bssidmask); |
e4bbf2f5 | 501 | len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ", |
87fd2e6c BG |
502 | filt); |
503 | if (filt & AR5K_RX_FILTER_UCAST) | |
e4bbf2f5 | 504 | len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); |
87fd2e6c | 505 | if (filt & AR5K_RX_FILTER_MCAST) |
e4bbf2f5 | 506 | len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); |
87fd2e6c | 507 | if (filt & AR5K_RX_FILTER_BCAST) |
e4bbf2f5 | 508 | len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); |
87fd2e6c | 509 | if (filt & AR5K_RX_FILTER_CONTROL) |
e4bbf2f5 | 510 | len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); |
87fd2e6c | 511 | if (filt & AR5K_RX_FILTER_BEACON) |
e4bbf2f5 | 512 | len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); |
87fd2e6c | 513 | if (filt & AR5K_RX_FILTER_PROM) |
e4bbf2f5 | 514 | len += snprintf(buf + len, sizeof(buf) - len, " PROM"); |
87fd2e6c | 515 | if (filt & AR5K_RX_FILTER_XRPOLL) |
e4bbf2f5 | 516 | len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL"); |
87fd2e6c | 517 | if (filt & AR5K_RX_FILTER_PROBEREQ) |
e4bbf2f5 | 518 | len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); |
87fd2e6c | 519 | if (filt & AR5K_RX_FILTER_PHYERR_5212) |
e4bbf2f5 | 520 | len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212"); |
87fd2e6c | 521 | if (filt & AR5K_RX_FILTER_RADARERR_5212) |
e4bbf2f5 | 522 | len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212"); |
87fd2e6c | 523 | if (filt & AR5K_RX_FILTER_PHYERR_5211) |
e4bbf2f5 | 524 | snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211"); |
87fd2e6c | 525 | if (filt & AR5K_RX_FILTER_RADARERR_5211) |
e4bbf2f5 | 526 | len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211"); |
908ebfb9 | 527 | |
e4bbf2f5 | 528 | len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n", |
e0d687bd | 529 | ath_opmode_to_string(ah->opmode), ah->opmode); |
92c68a66 | 530 | |
87fd2e6c BG |
531 | if (len > sizeof(buf)) |
532 | len = sizeof(buf); | |
533 | ||
534 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
535 | } | |
536 | ||
537 | static const struct file_operations fops_misc = { | |
538 | .read = read_file_misc, | |
234e3405 | 539 | .open = simple_open, |
87fd2e6c BG |
540 | .owner = THIS_MODULE, |
541 | }; | |
542 | ||
604eeadd | 543 | |
7644395f BR |
544 | /* debugfs: frameerrors */ |
545 | ||
546 | static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf, | |
547 | size_t count, loff_t *ppos) | |
548 | { | |
e0d687bd PR |
549 | struct ath5k_hw *ah = file->private_data; |
550 | struct ath5k_statistics *st = &ah->stats; | |
7644395f BR |
551 | char buf[700]; |
552 | unsigned int len = 0; | |
da35111a | 553 | int i; |
7644395f | 554 | |
e4bbf2f5 | 555 | len += snprintf(buf + len, sizeof(buf) - len, |
7644395f | 556 | "RX\n---------------------\n"); |
e4bbf2f5 | 557 | len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n", |
7644395f BR |
558 | st->rxerr_crc, |
559 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
560 | st->rxerr_crc * 100 / st->rx_all_count : 0); |
561 | len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n", | |
7644395f BR |
562 | st->rxerr_phy, |
563 | st->rx_all_count > 0 ? | |
e4bbf2f5 | 564 | st->rxerr_phy * 100 / st->rx_all_count : 0); |
da35111a BR |
565 | for (i = 0; i < 32; i++) { |
566 | if (st->rxerr_phy_code[i]) | |
e4bbf2f5 | 567 | len += snprintf(buf + len, sizeof(buf) - len, |
5d882c97 | 568 | " phy_err[%u]\t%u\n", |
da35111a BR |
569 | i, st->rxerr_phy_code[i]); |
570 | } | |
571 | ||
e4bbf2f5 | 572 | len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n", |
7644395f BR |
573 | st->rxerr_fifo, |
574 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
575 | st->rxerr_fifo * 100 / st->rx_all_count : 0); |
576 | len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n", | |
7644395f BR |
577 | st->rxerr_decrypt, |
578 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
579 | st->rxerr_decrypt * 100 / st->rx_all_count : 0); |
580 | len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n", | |
7644395f BR |
581 | st->rxerr_mic, |
582 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
583 | st->rxerr_mic * 100 / st->rx_all_count : 0); |
584 | len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n", | |
7644395f BR |
585 | st->rxerr_proc, |
586 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
587 | st->rxerr_proc * 100 / st->rx_all_count : 0); |
588 | len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n", | |
7644395f BR |
589 | st->rxerr_jumbo, |
590 | st->rx_all_count > 0 ? | |
e4bbf2f5 PR |
591 | st->rxerr_jumbo * 100 / st->rx_all_count : 0); |
592 | len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n", | |
7644395f | 593 | st->rx_all_count); |
e4bbf2f5 | 594 | len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n", |
b72acddb | 595 | st->rx_bytes_count); |
7644395f | 596 | |
e4bbf2f5 | 597 | len += snprintf(buf + len, sizeof(buf) - len, |
7644395f | 598 | "\nTX\n---------------------\n"); |
e4bbf2f5 | 599 | len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n", |
7644395f BR |
600 | st->txerr_retry, |
601 | st->tx_all_count > 0 ? | |
e4bbf2f5 PR |
602 | st->txerr_retry * 100 / st->tx_all_count : 0); |
603 | len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n", | |
7644395f BR |
604 | st->txerr_fifo, |
605 | st->tx_all_count > 0 ? | |
e4bbf2f5 PR |
606 | st->txerr_fifo * 100 / st->tx_all_count : 0); |
607 | len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n", | |
7644395f BR |
608 | st->txerr_filt, |
609 | st->tx_all_count > 0 ? | |
e4bbf2f5 PR |
610 | st->txerr_filt * 100 / st->tx_all_count : 0); |
611 | len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n", | |
7644395f | 612 | st->tx_all_count); |
e4bbf2f5 | 613 | len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n", |
b72acddb | 614 | st->tx_bytes_count); |
7644395f | 615 | |
2189d13f DC |
616 | if (len > sizeof(buf)) |
617 | len = sizeof(buf); | |
618 | ||
7644395f BR |
619 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
620 | } | |
621 | ||
622 | static ssize_t write_file_frameerrors(struct file *file, | |
623 | const char __user *userbuf, | |
624 | size_t count, loff_t *ppos) | |
625 | { | |
e0d687bd PR |
626 | struct ath5k_hw *ah = file->private_data; |
627 | struct ath5k_statistics *st = &ah->stats; | |
7644395f BR |
628 | char buf[20]; |
629 | ||
8aada63c DH |
630 | count = min_t(size_t, count, sizeof(buf) - 1); |
631 | if (copy_from_user(buf, userbuf, count)) | |
7644395f BR |
632 | return -EFAULT; |
633 | ||
8aada63c | 634 | buf[count] = '\0'; |
7644395f BR |
635 | if (strncmp(buf, "clear", 5) == 0) { |
636 | st->rxerr_crc = 0; | |
637 | st->rxerr_phy = 0; | |
638 | st->rxerr_fifo = 0; | |
639 | st->rxerr_decrypt = 0; | |
640 | st->rxerr_mic = 0; | |
641 | st->rxerr_proc = 0; | |
642 | st->rxerr_jumbo = 0; | |
643 | st->rx_all_count = 0; | |
644 | st->txerr_retry = 0; | |
645 | st->txerr_fifo = 0; | |
646 | st->txerr_filt = 0; | |
647 | st->tx_all_count = 0; | |
516304b0 | 648 | pr_info("debug: cleared frameerrors stats\n"); |
7644395f BR |
649 | } |
650 | return count; | |
651 | } | |
652 | ||
653 | static const struct file_operations fops_frameerrors = { | |
654 | .read = read_file_frameerrors, | |
655 | .write = write_file_frameerrors, | |
234e3405 | 656 | .open = simple_open, |
7644395f | 657 | .owner = THIS_MODULE, |
6038f373 | 658 | .llseek = default_llseek, |
7644395f BR |
659 | }; |
660 | ||
661 | ||
2111ac0d BR |
662 | /* debugfs: ani */ |
663 | ||
664 | static ssize_t read_file_ani(struct file *file, char __user *user_buf, | |
665 | size_t count, loff_t *ppos) | |
666 | { | |
e0d687bd PR |
667 | struct ath5k_hw *ah = file->private_data; |
668 | struct ath5k_statistics *st = &ah->stats; | |
669 | struct ath5k_ani_state *as = &ah->ani_state; | |
2111ac0d BR |
670 | |
671 | char buf[700]; | |
672 | unsigned int len = 0; | |
673 | ||
e4bbf2f5 | 674 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 675 | "HW has PHY error counters:\t%s\n", |
e0d687bd | 676 | ah->ah_capabilities.cap_has_phyerr_counters ? |
2111ac0d | 677 | "yes" : "no"); |
e4bbf2f5 | 678 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
679 | "HW max spur immunity level:\t%d\n", |
680 | as->max_spur_level); | |
e4bbf2f5 | 681 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 682 | "\nANI state\n--------------------------------------------\n"); |
e4bbf2f5 | 683 | len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t"); |
2111ac0d BR |
684 | switch (as->ani_mode) { |
685 | case ATH5K_ANI_MODE_OFF: | |
e4bbf2f5 | 686 | len += snprintf(buf + len, sizeof(buf) - len, "OFF\n"); |
2111ac0d BR |
687 | break; |
688 | case ATH5K_ANI_MODE_MANUAL_LOW: | |
e4bbf2f5 | 689 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
690 | "MANUAL LOW\n"); |
691 | break; | |
692 | case ATH5K_ANI_MODE_MANUAL_HIGH: | |
e4bbf2f5 | 693 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
694 | "MANUAL HIGH\n"); |
695 | break; | |
696 | case ATH5K_ANI_MODE_AUTO: | |
e4bbf2f5 | 697 | len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n"); |
2111ac0d BR |
698 | break; |
699 | default: | |
e4bbf2f5 | 700 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
701 | "??? (not good)\n"); |
702 | break; | |
703 | } | |
e4bbf2f5 | 704 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
705 | "noise immunity level:\t\t%d\n", |
706 | as->noise_imm_level); | |
e4bbf2f5 | 707 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
708 | "spur immunity level:\t\t%d\n", |
709 | as->spur_level); | |
e4bbf2f5 PR |
710 | len += snprintf(buf + len, sizeof(buf) - len, |
711 | "firstep level:\t\t\t%d\n", | |
2111ac0d | 712 | as->firstep_level); |
e4bbf2f5 | 713 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
714 | "OFDM weak signal detection:\t%s\n", |
715 | as->ofdm_weak_sig ? "on" : "off"); | |
e4bbf2f5 | 716 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
717 | "CCK weak signal detection:\t%s\n", |
718 | as->cck_weak_sig ? "on" : "off"); | |
719 | ||
e4bbf2f5 | 720 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
721 | "\nMIB INTERRUPTS:\t\t%u\n", |
722 | st->mib_intr); | |
e4bbf2f5 | 723 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 724 | "beacon RSSI average:\t%d\n", |
46f26ddf | 725 | (int)ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg)); |
7109ca5c FF |
726 | |
727 | #define CC_PRINT(_struct, _field) \ | |
728 | _struct._field, \ | |
729 | _struct.cycles > 0 ? \ | |
e4bbf2f5 | 730 | _struct._field * 100 / _struct.cycles : 0 |
7109ca5c | 731 | |
e4bbf2f5 PR |
732 | len += snprintf(buf + len, sizeof(buf) - len, |
733 | "profcnt tx\t\t%u\t(%d%%)\n", | |
7109ca5c | 734 | CC_PRINT(as->last_cc, tx_frame)); |
e4bbf2f5 PR |
735 | len += snprintf(buf + len, sizeof(buf) - len, |
736 | "profcnt rx\t\t%u\t(%d%%)\n", | |
7109ca5c | 737 | CC_PRINT(as->last_cc, rx_frame)); |
e4bbf2f5 PR |
738 | len += snprintf(buf + len, sizeof(buf) - len, |
739 | "profcnt busy\t\t%u\t(%d%%)\n", | |
7109ca5c FF |
740 | CC_PRINT(as->last_cc, rx_busy)); |
741 | #undef CC_PRINT | |
e4bbf2f5 | 742 | len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n", |
7109ca5c | 743 | as->last_cc.cycles); |
e4bbf2f5 | 744 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
745 | "listen time\t\t%d\tlast: %d\n", |
746 | as->listen_time, as->last_listen); | |
e4bbf2f5 | 747 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
748 | "OFDM errors\t\t%u\tlast: %u\tsum: %u\n", |
749 | as->ofdm_errors, as->last_ofdm_errors, | |
750 | as->sum_ofdm_errors); | |
e4bbf2f5 | 751 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d BR |
752 | "CCK errors\t\t%u\tlast: %u\tsum: %u\n", |
753 | as->cck_errors, as->last_cck_errors, | |
754 | as->sum_cck_errors); | |
e4bbf2f5 | 755 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 756 | "AR5K_PHYERR_CNT1\t%x\t(=%d)\n", |
e0d687bd | 757 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1), |
2111ac0d | 758 | ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - |
e0d687bd | 759 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1))); |
e4bbf2f5 | 760 | len += snprintf(buf + len, sizeof(buf) - len, |
2111ac0d | 761 | "AR5K_PHYERR_CNT2\t%x\t(=%d)\n", |
e0d687bd | 762 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2), |
2111ac0d | 763 | ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - |
e0d687bd | 764 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2))); |
2111ac0d | 765 | |
2189d13f DC |
766 | if (len > sizeof(buf)) |
767 | len = sizeof(buf); | |
768 | ||
2111ac0d BR |
769 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
770 | } | |
771 | ||
772 | static ssize_t write_file_ani(struct file *file, | |
773 | const char __user *userbuf, | |
774 | size_t count, loff_t *ppos) | |
775 | { | |
e0d687bd | 776 | struct ath5k_hw *ah = file->private_data; |
2111ac0d BR |
777 | char buf[20]; |
778 | ||
8aada63c DH |
779 | count = min_t(size_t, count, sizeof(buf) - 1); |
780 | if (copy_from_user(buf, userbuf, count)) | |
2111ac0d BR |
781 | return -EFAULT; |
782 | ||
8aada63c | 783 | buf[count] = '\0'; |
2111ac0d | 784 | if (strncmp(buf, "sens-low", 8) == 0) { |
e0d687bd | 785 | ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH); |
2111ac0d | 786 | } else if (strncmp(buf, "sens-high", 9) == 0) { |
e0d687bd | 787 | ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW); |
2111ac0d | 788 | } else if (strncmp(buf, "ani-off", 7) == 0) { |
e0d687bd | 789 | ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF); |
2111ac0d | 790 | } else if (strncmp(buf, "ani-on", 6) == 0) { |
e0d687bd | 791 | ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO); |
2111ac0d | 792 | } else if (strncmp(buf, "noise-low", 9) == 0) { |
e0d687bd | 793 | ath5k_ani_set_noise_immunity_level(ah, 0); |
2111ac0d | 794 | } else if (strncmp(buf, "noise-high", 10) == 0) { |
e0d687bd | 795 | ath5k_ani_set_noise_immunity_level(ah, |
2111ac0d BR |
796 | ATH5K_ANI_MAX_NOISE_IMM_LVL); |
797 | } else if (strncmp(buf, "spur-low", 8) == 0) { | |
e0d687bd | 798 | ath5k_ani_set_spur_immunity_level(ah, 0); |
2111ac0d | 799 | } else if (strncmp(buf, "spur-high", 9) == 0) { |
e0d687bd PR |
800 | ath5k_ani_set_spur_immunity_level(ah, |
801 | ah->ani_state.max_spur_level); | |
2111ac0d | 802 | } else if (strncmp(buf, "fir-low", 7) == 0) { |
e0d687bd | 803 | ath5k_ani_set_firstep_level(ah, 0); |
2111ac0d | 804 | } else if (strncmp(buf, "fir-high", 8) == 0) { |
e0d687bd | 805 | ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL); |
2111ac0d | 806 | } else if (strncmp(buf, "ofdm-off", 8) == 0) { |
e0d687bd | 807 | ath5k_ani_set_ofdm_weak_signal_detection(ah, false); |
2111ac0d | 808 | } else if (strncmp(buf, "ofdm-on", 7) == 0) { |
e0d687bd | 809 | ath5k_ani_set_ofdm_weak_signal_detection(ah, true); |
2111ac0d | 810 | } else if (strncmp(buf, "cck-off", 7) == 0) { |
e0d687bd | 811 | ath5k_ani_set_cck_weak_signal_detection(ah, false); |
2111ac0d | 812 | } else if (strncmp(buf, "cck-on", 6) == 0) { |
e0d687bd | 813 | ath5k_ani_set_cck_weak_signal_detection(ah, true); |
2111ac0d BR |
814 | } |
815 | return count; | |
816 | } | |
817 | ||
818 | static const struct file_operations fops_ani = { | |
819 | .read = read_file_ani, | |
820 | .write = write_file_ani, | |
234e3405 | 821 | .open = simple_open, |
2111ac0d | 822 | .owner = THIS_MODULE, |
6038f373 | 823 | .llseek = default_llseek, |
2111ac0d BR |
824 | }; |
825 | ||
826 | ||
3cfd43f4 BR |
827 | /* debugfs: queues etc */ |
828 | ||
829 | static ssize_t read_file_queue(struct file *file, char __user *user_buf, | |
830 | size_t count, loff_t *ppos) | |
831 | { | |
e0d687bd | 832 | struct ath5k_hw *ah = file->private_data; |
3cfd43f4 BR |
833 | char buf[700]; |
834 | unsigned int len = 0; | |
835 | ||
836 | struct ath5k_txq *txq; | |
837 | struct ath5k_buf *bf, *bf0; | |
cfddc11c | 838 | int i, n; |
3cfd43f4 | 839 | |
e4bbf2f5 | 840 | len += snprintf(buf + len, sizeof(buf) - len, |
e0d687bd | 841 | "available txbuffers: %d\n", ah->txbuf_len); |
3cfd43f4 | 842 | |
e0d687bd PR |
843 | for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) { |
844 | txq = &ah->txqs[i]; | |
3cfd43f4 | 845 | |
e4bbf2f5 | 846 | len += snprintf(buf + len, sizeof(buf) - len, |
3cfd43f4 BR |
847 | "%02d: %ssetup\n", i, txq->setup ? "" : "not "); |
848 | ||
849 | if (!txq->setup) | |
850 | continue; | |
851 | ||
cfddc11c BR |
852 | n = 0; |
853 | spin_lock_bh(&txq->lock); | |
3cfd43f4 BR |
854 | list_for_each_entry_safe(bf, bf0, &txq->q, list) |
855 | n++; | |
cfddc11c BR |
856 | spin_unlock_bh(&txq->lock); |
857 | ||
e4bbf2f5 | 858 | len += snprintf(buf + len, sizeof(buf) - len, |
cfddc11c | 859 | " len: %d bufs: %d\n", txq->txq_len, n); |
e4bbf2f5 | 860 | len += snprintf(buf + len, sizeof(buf) - len, |
923e5b3d | 861 | " stuck: %d\n", txq->txq_stuck); |
3cfd43f4 BR |
862 | } |
863 | ||
2189d13f DC |
864 | if (len > sizeof(buf)) |
865 | len = sizeof(buf); | |
866 | ||
3cfd43f4 BR |
867 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
868 | } | |
869 | ||
870 | static ssize_t write_file_queue(struct file *file, | |
871 | const char __user *userbuf, | |
872 | size_t count, loff_t *ppos) | |
873 | { | |
e0d687bd | 874 | struct ath5k_hw *ah = file->private_data; |
3cfd43f4 BR |
875 | char buf[20]; |
876 | ||
8aada63c DH |
877 | count = min_t(size_t, count, sizeof(buf) - 1); |
878 | if (copy_from_user(buf, userbuf, count)) | |
3cfd43f4 BR |
879 | return -EFAULT; |
880 | ||
8aada63c | 881 | buf[count] = '\0'; |
3cfd43f4 | 882 | if (strncmp(buf, "start", 5) == 0) |
e0d687bd | 883 | ieee80211_wake_queues(ah->hw); |
3cfd43f4 | 884 | else if (strncmp(buf, "stop", 4) == 0) |
e0d687bd | 885 | ieee80211_stop_queues(ah->hw); |
3cfd43f4 BR |
886 | |
887 | return count; | |
888 | } | |
889 | ||
890 | ||
891 | static const struct file_operations fops_queue = { | |
892 | .read = read_file_queue, | |
893 | .write = write_file_queue, | |
234e3405 | 894 | .open = simple_open, |
3cfd43f4 | 895 | .owner = THIS_MODULE, |
6038f373 | 896 | .llseek = default_llseek, |
3cfd43f4 BR |
897 | }; |
898 | ||
db906eb2 JB |
899 | /* debugfs: eeprom */ |
900 | ||
901 | struct eeprom_private { | |
902 | u16 *buf; | |
903 | int len; | |
904 | }; | |
905 | ||
906 | static int open_file_eeprom(struct inode *inode, struct file *file) | |
907 | { | |
908 | struct eeprom_private *ep; | |
909 | struct ath5k_hw *ah = inode->i_private; | |
910 | bool res; | |
911 | int i, ret; | |
af8a9a67 | 912 | u32 eesize; /* NB: in 16-bit words */ |
db906eb2 JB |
913 | u16 val, *buf; |
914 | ||
915 | /* Get eeprom size */ | |
916 | ||
917 | res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val); | |
918 | if (!res) | |
919 | return -EACCES; | |
920 | ||
921 | if (val == 0) { | |
922 | eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE; | |
923 | } else { | |
924 | eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << | |
925 | AR5K_EEPROM_SIZE_ENDLOC_SHIFT; | |
926 | ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val); | |
927 | eesize = eesize | val; | |
928 | } | |
929 | ||
930 | if (eesize > 4096) | |
931 | return -EINVAL; | |
932 | ||
933 | /* Create buffer and read in eeprom */ | |
934 | ||
af8a9a67 | 935 | buf = vmalloc(eesize * 2); |
db906eb2 JB |
936 | if (!buf) { |
937 | ret = -ENOMEM; | |
938 | goto err; | |
939 | } | |
940 | ||
941 | for (i = 0; i < eesize; ++i) { | |
942 | AR5K_EEPROM_READ(i, val); | |
943 | buf[i] = val; | |
944 | } | |
945 | ||
946 | /* Create private struct and assign to file */ | |
947 | ||
948 | ep = kmalloc(sizeof(*ep), GFP_KERNEL); | |
949 | if (!ep) { | |
950 | ret = -ENOMEM; | |
951 | goto freebuf; | |
952 | } | |
953 | ||
954 | ep->buf = buf; | |
af8a9a67 | 955 | ep->len = eesize * 2; |
db906eb2 JB |
956 | |
957 | file->private_data = (void *)ep; | |
958 | ||
959 | return 0; | |
960 | ||
961 | freebuf: | |
962 | vfree(buf); | |
963 | err: | |
964 | return ret; | |
965 | ||
966 | } | |
967 | ||
968 | static ssize_t read_file_eeprom(struct file *file, char __user *user_buf, | |
969 | size_t count, loff_t *ppos) | |
970 | { | |
971 | struct eeprom_private *ep = file->private_data; | |
972 | ||
973 | return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len); | |
974 | } | |
975 | ||
976 | static int release_file_eeprom(struct inode *inode, struct file *file) | |
977 | { | |
978 | struct eeprom_private *ep = file->private_data; | |
979 | ||
980 | vfree(ep->buf); | |
981 | kfree(ep); | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
986 | static const struct file_operations fops_eeprom = { | |
987 | .open = open_file_eeprom, | |
988 | .read = read_file_eeprom, | |
989 | .release = release_file_eeprom, | |
990 | .owner = THIS_MODULE, | |
991 | }; | |
992 | ||
3cfd43f4 | 993 | |
fa1c114f | 994 | void |
e0d687bd | 995 | ath5k_debug_init_device(struct ath5k_hw *ah) |
fa1c114f | 996 | { |
5b7916ad | 997 | struct dentry *phydir; |
be9b7259 | 998 | |
e0d687bd | 999 | ah->debug.level = ath5k_debug; |
be9b7259 | 1000 | |
e0d687bd | 1001 | phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir); |
5b7916ad | 1002 | if (!phydir) |
e4bbf2f5 | 1003 | return; |
fa1c114f | 1004 | |
e0d687bd | 1005 | debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1006 | &fops_debug); |
fa1c114f | 1007 | |
e0d687bd | 1008 | debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers); |
fa1c114f | 1009 | |
e0d687bd | 1010 | debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1011 | &fops_beacon); |
604eeadd | 1012 | |
e0d687bd | 1013 | debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset); |
7644395f | 1014 | |
e0d687bd | 1015 | debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1016 | &fops_antenna); |
87fd2e6c | 1017 | |
e0d687bd | 1018 | debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc); |
2111ac0d | 1019 | |
db906eb2 JB |
1020 | debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom); |
1021 | ||
e0d687bd | 1022 | debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1023 | &fops_frameerrors); |
3cfd43f4 | 1024 | |
e0d687bd | 1025 | debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani); |
fa1c114f | 1026 | |
e0d687bd | 1027 | debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah, |
5b7916ad | 1028 | &fops_queue); |
6340211c FF |
1029 | |
1030 | debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir, | |
e0d687bd | 1031 | &ah->ah_use_32khz_clock); |
fa1c114f JS |
1032 | } |
1033 | ||
fa1c114f JS |
1034 | /* functions used in other places */ |
1035 | ||
1036 | void | |
e0d687bd | 1037 | ath5k_debug_dump_bands(struct ath5k_hw *ah) |
fa1c114f | 1038 | { |
b446197c | 1039 | unsigned int b, i; |
fa1c114f | 1040 | |
e0d687bd | 1041 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS))) |
fa1c114f JS |
1042 | return; |
1043 | ||
e0d687bd | 1044 | BUG_ON(!ah->sbands); |
b446197c | 1045 | |
57fbcce3 | 1046 | for (b = 0; b < NUM_NL80211_BANDS; b++) { |
e0d687bd | 1047 | struct ieee80211_supported_band *band = &ah->sbands[b]; |
b7fcb5c4 | 1048 | char bname[6]; |
b446197c | 1049 | switch (band->band) { |
57fbcce3 | 1050 | case NL80211_BAND_2GHZ: |
b446197c LR |
1051 | strcpy(bname, "2 GHz"); |
1052 | break; | |
57fbcce3 | 1053 | case NL80211_BAND_5GHZ: |
b446197c LR |
1054 | strcpy(bname, "5 GHz"); |
1055 | break; | |
1056 | default: | |
1057 | printk(KERN_DEBUG "Band not supported: %d\n", | |
1058 | band->band); | |
1059 | return; | |
1060 | } | |
1061 | printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname, | |
1062 | band->n_channels, band->n_bitrates); | |
fa1c114f | 1063 | printk(KERN_DEBUG " channels:\n"); |
b446197c | 1064 | for (i = 0; i < band->n_channels; i++) |
fa1c114f | 1065 | printk(KERN_DEBUG " %3d %d %.4x %.4x\n", |
b446197c LR |
1066 | ieee80211_frequency_to_channel( |
1067 | band->channels[i].center_freq), | |
1068 | band->channels[i].center_freq, | |
1069 | band->channels[i].hw_value, | |
1070 | band->channels[i].flags); | |
fa1c114f | 1071 | printk(KERN_DEBUG " rates:\n"); |
b446197c | 1072 | for (i = 0; i < band->n_bitrates; i++) |
fa1c114f | 1073 | printk(KERN_DEBUG " %4d %.4x %.4x %.4x\n", |
b446197c LR |
1074 | band->bitrates[i].bitrate, |
1075 | band->bitrates[i].hw_value, | |
1076 | band->bitrates[i].flags, | |
1077 | band->bitrates[i].hw_value_short); | |
fa1c114f JS |
1078 | } |
1079 | } | |
1080 | ||
1081 | static inline void | |
b47f407b BR |
1082 | ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done, |
1083 | struct ath5k_rx_status *rs) | |
fa1c114f JS |
1084 | { |
1085 | struct ath5k_desc *ds = bf->desc; | |
19fd6e55 | 1086 | struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx; |
fa1c114f JS |
1087 | |
1088 | printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n", | |
1089 | ds, (unsigned long long)bf->daddr, | |
19fd6e55 BR |
1090 | ds->ds_link, ds->ds_data, |
1091 | rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1, | |
62412a8f | 1092 | rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1, |
b47f407b | 1093 | !done ? ' ' : (rs->rs_status == 0) ? '*' : '!'); |
fa1c114f JS |
1094 | } |
1095 | ||
1096 | void | |
e0d687bd | 1097 | ath5k_debug_printrxbuffs(struct ath5k_hw *ah) |
fa1c114f JS |
1098 | { |
1099 | struct ath5k_desc *ds; | |
1100 | struct ath5k_buf *bf; | |
b47f407b | 1101 | struct ath5k_rx_status rs = {}; |
fa1c114f JS |
1102 | int status; |
1103 | ||
e0d687bd | 1104 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC))) |
fa1c114f JS |
1105 | return; |
1106 | ||
265faadd | 1107 | printk(KERN_DEBUG "rxdp %x, rxlink %p\n", |
e0d687bd | 1108 | ath5k_hw_get_rxdp(ah), ah->rxlink); |
fa1c114f | 1109 | |
e0d687bd PR |
1110 | spin_lock_bh(&ah->rxbuflock); |
1111 | list_for_each_entry(bf, &ah->rxbuf, list) { | |
fa1c114f | 1112 | ds = bf->desc; |
b47f407b | 1113 | status = ah->ah_proc_rx_desc(ah, ds, &rs); |
be9b7259 | 1114 | if (!status) |
b47f407b | 1115 | ath5k_debug_printrxbuf(bf, status == 0, &rs); |
fa1c114f | 1116 | } |
e0d687bd | 1117 | spin_unlock_bh(&ah->rxbuflock); |
fa1c114f JS |
1118 | } |
1119 | ||
fa1c114f | 1120 | void |
e0d687bd | 1121 | ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf) |
fa1c114f JS |
1122 | { |
1123 | struct ath5k_desc *ds = bf->desc; | |
19fd6e55 | 1124 | struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212; |
b47f407b BR |
1125 | struct ath5k_tx_status ts = {}; |
1126 | int done; | |
fa1c114f | 1127 | |
e0d687bd | 1128 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC))) |
fa1c114f JS |
1129 | return; |
1130 | ||
e0d687bd | 1131 | done = ah->ah_proc_tx_desc(ah, bf->desc, &ts); |
b47f407b | 1132 | |
fa1c114f JS |
1133 | printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x " |
1134 | "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link, | |
19fd6e55 BR |
1135 | ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1, |
1136 | td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3, | |
1137 | td->tx_stat.tx_status_0, td->tx_stat.tx_status_1, | |
b47f407b | 1138 | done ? ' ' : (ts.ts_status == 0) ? '*' : '!'); |
fa1c114f | 1139 | } |