2 * Copyright (c) 2008-2011 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/slab.h>
18 #include <linux/vmalloc.h>
19 #include <linux/export.h>
20 #include <asm/unaligned.h>
24 #define REG_WRITE_D(_ah, _reg, _val) \
25 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
26 #define REG_READ_D(_ah, _reg) \
27 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
29 void ath9k_debug_sync_cause(struct ath_softc
*sc
, u32 sync_cause
)
32 sc
->debug
.stats
.istats
.sync_cause_all
++;
33 if (sync_cause
& AR_INTR_SYNC_RTC_IRQ
)
34 sc
->debug
.stats
.istats
.sync_rtc_irq
++;
35 if (sync_cause
& AR_INTR_SYNC_MAC_IRQ
)
36 sc
->debug
.stats
.istats
.sync_mac_irq
++;
37 if (sync_cause
& AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS
)
38 sc
->debug
.stats
.istats
.eeprom_illegal_access
++;
39 if (sync_cause
& AR_INTR_SYNC_APB_TIMEOUT
)
40 sc
->debug
.stats
.istats
.apb_timeout
++;
41 if (sync_cause
& AR_INTR_SYNC_PCI_MODE_CONFLICT
)
42 sc
->debug
.stats
.istats
.pci_mode_conflict
++;
43 if (sync_cause
& AR_INTR_SYNC_HOST1_FATAL
)
44 sc
->debug
.stats
.istats
.host1_fatal
++;
45 if (sync_cause
& AR_INTR_SYNC_HOST1_PERR
)
46 sc
->debug
.stats
.istats
.host1_perr
++;
47 if (sync_cause
& AR_INTR_SYNC_TRCV_FIFO_PERR
)
48 sc
->debug
.stats
.istats
.trcv_fifo_perr
++;
49 if (sync_cause
& AR_INTR_SYNC_RADM_CPL_EP
)
50 sc
->debug
.stats
.istats
.radm_cpl_ep
++;
51 if (sync_cause
& AR_INTR_SYNC_RADM_CPL_DLLP_ABORT
)
52 sc
->debug
.stats
.istats
.radm_cpl_dllp_abort
++;
53 if (sync_cause
& AR_INTR_SYNC_RADM_CPL_TLP_ABORT
)
54 sc
->debug
.stats
.istats
.radm_cpl_tlp_abort
++;
55 if (sync_cause
& AR_INTR_SYNC_RADM_CPL_ECRC_ERR
)
56 sc
->debug
.stats
.istats
.radm_cpl_ecrc_err
++;
57 if (sync_cause
& AR_INTR_SYNC_RADM_CPL_TIMEOUT
)
58 sc
->debug
.stats
.istats
.radm_cpl_timeout
++;
59 if (sync_cause
& AR_INTR_SYNC_LOCAL_TIMEOUT
)
60 sc
->debug
.stats
.istats
.local_timeout
++;
61 if (sync_cause
& AR_INTR_SYNC_PM_ACCESS
)
62 sc
->debug
.stats
.istats
.pm_access
++;
63 if (sync_cause
& AR_INTR_SYNC_MAC_AWAKE
)
64 sc
->debug
.stats
.istats
.mac_awake
++;
65 if (sync_cause
& AR_INTR_SYNC_MAC_ASLEEP
)
66 sc
->debug
.stats
.istats
.mac_asleep
++;
67 if (sync_cause
& AR_INTR_SYNC_MAC_SLEEP_ACCESS
)
68 sc
->debug
.stats
.istats
.mac_sleep_access
++;
71 static ssize_t
ath9k_debugfs_read_buf(struct file
*file
, char __user
*user_buf
,
72 size_t count
, loff_t
*ppos
)
74 u8
*buf
= file
->private_data
;
75 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, strlen(buf
));
78 static int ath9k_debugfs_release_buf(struct inode
*inode
, struct file
*file
)
80 vfree(file
->private_data
);
84 #ifdef CONFIG_ATH_DEBUG
86 static ssize_t
read_file_debug(struct file
*file
, char __user
*user_buf
,
87 size_t count
, loff_t
*ppos
)
89 struct ath_softc
*sc
= file
->private_data
;
90 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
94 len
= sprintf(buf
, "0x%08x\n", common
->debug_mask
);
95 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
98 static ssize_t
write_file_debug(struct file
*file
, const char __user
*user_buf
,
99 size_t count
, loff_t
*ppos
)
101 struct ath_softc
*sc
= file
->private_data
;
102 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
107 len
= min(count
, sizeof(buf
) - 1);
108 if (copy_from_user(buf
, user_buf
, len
))
112 if (kstrtoul(buf
, 0, &mask
))
115 common
->debug_mask
= mask
;
119 static const struct file_operations fops_debug
= {
120 .read
= read_file_debug
,
121 .write
= write_file_debug
,
123 .owner
= THIS_MODULE
,
124 .llseek
= default_llseek
,
129 #define DMA_BUF_LEN 1024
132 static ssize_t
read_file_ani(struct file
*file
, char __user
*user_buf
,
133 size_t count
, loff_t
*ppos
)
135 struct ath_softc
*sc
= file
->private_data
;
136 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
137 struct ath_hw
*ah
= sc
->sc_ah
;
138 unsigned int len
= 0;
139 const unsigned int size
= 1024;
147 { "ANI RESET", ah
->stats
.ast_ani_reset
},
148 { "OFDM LEVEL", ah
->ani
.ofdmNoiseImmunityLevel
},
149 { "CCK LEVEL", ah
->ani
.cckNoiseImmunityLevel
},
150 { "SPUR UP", ah
->stats
.ast_ani_spurup
},
151 { "SPUR DOWN", ah
->stats
.ast_ani_spurup
},
152 { "OFDM WS-DET ON", ah
->stats
.ast_ani_ofdmon
},
153 { "OFDM WS-DET OFF", ah
->stats
.ast_ani_ofdmoff
},
154 { "MRC-CCK ON", ah
->stats
.ast_ani_ccklow
},
155 { "MRC-CCK OFF", ah
->stats
.ast_ani_cckhigh
},
156 { "FIR-STEP UP", ah
->stats
.ast_ani_stepup
},
157 { "FIR-STEP DOWN", ah
->stats
.ast_ani_stepdown
},
158 { "INV LISTENTIME", ah
->stats
.ast_ani_lneg_or_lzero
},
159 { "OFDM ERRORS", ah
->stats
.ast_ani_ofdmerrs
},
160 { "CCK ERRORS", ah
->stats
.ast_ani_cckerrs
},
163 buf
= kzalloc(size
, GFP_KERNEL
);
167 len
+= scnprintf(buf
+ len
, size
- len
, "%15s: %s\n", "ANI",
168 common
->disable_ani
? "DISABLED" : "ENABLED");
170 if (common
->disable_ani
)
173 for (i
= 0; i
< ARRAY_SIZE(ani_info
); i
++)
174 len
+= scnprintf(buf
+ len
, size
- len
, "%15s: %u\n",
175 ani_info
[i
].name
, ani_info
[i
].val
);
181 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
187 static ssize_t
write_file_ani(struct file
*file
,
188 const char __user
*user_buf
,
189 size_t count
, loff_t
*ppos
)
191 struct ath_softc
*sc
= file
->private_data
;
192 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
197 len
= min(count
, sizeof(buf
) - 1);
198 if (copy_from_user(buf
, user_buf
, len
))
202 if (kstrtoul(buf
, 0, &ani
))
205 if (ani
< 0 || ani
> 1)
208 common
->disable_ani
= !ani
;
210 if (common
->disable_ani
) {
211 clear_bit(ATH_OP_ANI_RUN
, &common
->op_flags
);
220 static const struct file_operations fops_ani
= {
221 .read
= read_file_ani
,
222 .write
= write_file_ani
,
224 .owner
= THIS_MODULE
,
225 .llseek
= default_llseek
,
228 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
230 static ssize_t
read_file_bt_ant_diversity(struct file
*file
,
231 char __user
*user_buf
,
232 size_t count
, loff_t
*ppos
)
234 struct ath_softc
*sc
= file
->private_data
;
235 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
239 len
= sprintf(buf
, "%d\n", common
->bt_ant_diversity
);
240 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
243 static ssize_t
write_file_bt_ant_diversity(struct file
*file
,
244 const char __user
*user_buf
,
245 size_t count
, loff_t
*ppos
)
247 struct ath_softc
*sc
= file
->private_data
;
248 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
249 struct ath9k_hw_capabilities
*pCap
= &sc
->sc_ah
->caps
;
250 unsigned long bt_ant_diversity
;
254 len
= min(count
, sizeof(buf
) - 1);
255 if (copy_from_user(buf
, user_buf
, len
))
258 if (!(pCap
->hw_caps
& ATH9K_HW_CAP_BT_ANT_DIV
))
262 if (kstrtoul(buf
, 0, &bt_ant_diversity
))
265 common
->bt_ant_diversity
= !!bt_ant_diversity
;
267 ath9k_hw_set_bt_ant_diversity(sc
->sc_ah
, common
->bt_ant_diversity
);
268 ath_dbg(common
, CONFIG
, "Enable WLAN/BT RX Antenna diversity: %d\n",
269 common
->bt_ant_diversity
);
270 ath9k_ps_restore(sc
);
275 static const struct file_operations fops_bt_ant_diversity
= {
276 .read
= read_file_bt_ant_diversity
,
277 .write
= write_file_bt_ant_diversity
,
279 .owner
= THIS_MODULE
,
280 .llseek
= default_llseek
,
285 void ath9k_debug_stat_ant(struct ath_softc
*sc
,
286 struct ath_hw_antcomb_conf
*div_ant_conf
,
287 int main_rssi_avg
, int alt_rssi_avg
)
289 struct ath_antenna_stats
*as_main
= &sc
->debug
.stats
.ant_stats
[ANT_MAIN
];
290 struct ath_antenna_stats
*as_alt
= &sc
->debug
.stats
.ant_stats
[ANT_ALT
];
292 as_main
->lna_attempt_cnt
[div_ant_conf
->main_lna_conf
]++;
293 as_alt
->lna_attempt_cnt
[div_ant_conf
->alt_lna_conf
]++;
295 as_main
->rssi_avg
= main_rssi_avg
;
296 as_alt
->rssi_avg
= alt_rssi_avg
;
299 static ssize_t
read_file_antenna_diversity(struct file
*file
,
300 char __user
*user_buf
,
301 size_t count
, loff_t
*ppos
)
303 struct ath_softc
*sc
= file
->private_data
;
304 struct ath_hw
*ah
= sc
->sc_ah
;
305 struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
306 struct ath_antenna_stats
*as_main
= &sc
->debug
.stats
.ant_stats
[ANT_MAIN
];
307 struct ath_antenna_stats
*as_alt
= &sc
->debug
.stats
.ant_stats
[ANT_ALT
];
308 struct ath_hw_antcomb_conf div_ant_conf
;
309 unsigned int len
= 0;
310 const unsigned int size
= 1024;
313 static const char *lna_conf_str
[4] = {
314 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2"
317 buf
= kzalloc(size
, GFP_KERNEL
);
321 if (!(pCap
->hw_caps
& ATH9K_HW_CAP_ANT_DIV_COMB
)) {
322 len
+= scnprintf(buf
+ len
, size
- len
, "%s\n",
323 "Antenna Diversity Combining is disabled");
328 ath9k_hw_antdiv_comb_conf_get(ah
, &div_ant_conf
);
329 len
+= scnprintf(buf
+ len
, size
- len
, "Current MAIN config : %s\n",
330 lna_conf_str
[div_ant_conf
.main_lna_conf
]);
331 len
+= scnprintf(buf
+ len
, size
- len
, "Current ALT config : %s\n",
332 lna_conf_str
[div_ant_conf
.alt_lna_conf
]);
333 len
+= scnprintf(buf
+ len
, size
- len
, "Average MAIN RSSI : %d\n",
335 len
+= scnprintf(buf
+ len
, size
- len
, "Average ALT RSSI : %d\n\n",
337 ath9k_ps_restore(sc
);
339 len
+= scnprintf(buf
+ len
, size
- len
, "Packet Receive Cnt:\n");
340 len
+= scnprintf(buf
+ len
, size
- len
, "-------------------\n");
342 len
+= scnprintf(buf
+ len
, size
- len
, "%30s%15s\n",
344 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
348 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
350 as_main
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA1
],
351 as_alt
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA1
]);
352 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
354 as_main
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA2
],
355 as_alt
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA2
]);
356 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
358 as_main
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2
],
359 as_alt
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2
]);
360 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
362 as_main
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2
],
363 as_alt
->lna_recv_cnt
[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2
]);
365 len
+= scnprintf(buf
+ len
, size
- len
, "\nLNA Config Attempts:\n");
366 len
+= scnprintf(buf
+ len
, size
- len
, "--------------------\n");
368 len
+= scnprintf(buf
+ len
, size
- len
, "%30s%15s\n",
370 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
372 as_main
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA1
],
373 as_alt
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA1
]);
374 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
376 as_main
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA2
],
377 as_alt
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA2
]);
378 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
380 as_main
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2
],
381 as_alt
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2
]);
382 len
+= scnprintf(buf
+ len
, size
- len
, "%-14s:%15d%15d\n",
384 as_main
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2
],
385 as_alt
->lna_attempt_cnt
[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2
]);
391 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
397 static const struct file_operations fops_antenna_diversity
= {
398 .read
= read_file_antenna_diversity
,
400 .owner
= THIS_MODULE
,
401 .llseek
= default_llseek
,
404 static ssize_t
read_file_dma(struct file
*file
, char __user
*user_buf
,
405 size_t count
, loff_t
*ppos
)
407 struct ath_softc
*sc
= file
->private_data
;
408 struct ath_hw
*ah
= sc
->sc_ah
;
411 unsigned int len
= 0;
412 u32 val
[ATH9K_NUM_DMA_DEBUG_REGS
];
413 int i
, qcuOffset
= 0, dcuOffset
= 0;
414 u32
*qcuBase
= &val
[0], *dcuBase
= &val
[4];
416 buf
= kmalloc(DMA_BUF_LEN
, GFP_KERNEL
);
422 REG_WRITE_D(ah
, AR_MACMISC
,
423 ((AR_MACMISC_DMA_OBS_LINE_8
<< AR_MACMISC_DMA_OBS_S
) |
424 (AR_MACMISC_MISC_OBS_BUS_1
<<
425 AR_MACMISC_MISC_OBS_BUS_MSB_S
)));
427 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
428 "Raw DMA Debug values:\n");
430 for (i
= 0; i
< ATH9K_NUM_DMA_DEBUG_REGS
; i
++) {
432 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n");
434 val
[i
] = REG_READ_D(ah
, AR_DMADBG_0
+ (i
* sizeof(u32
)));
435 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
, "%d: %08x ",
439 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n\n");
440 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
441 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
443 for (i
= 0; i
< ATH9K_NUM_QUEUES
; i
++, qcuOffset
+= 4, dcuOffset
+= 5) {
454 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
455 "%2d %2x %1x %2x %2x\n",
456 i
, (*qcuBase
& (0x7 << qcuOffset
)) >> qcuOffset
,
457 (*qcuBase
& (0x8 << qcuOffset
)) >> (qcuOffset
+ 3),
458 val
[2] & (0x7 << (i
* 3)) >> (i
* 3),
459 (*dcuBase
& (0x1f << dcuOffset
)) >> dcuOffset
);
462 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
, "\n");
464 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
465 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
466 (val
[3] & 0x003c0000) >> 18, (val
[3] & 0x03c00000) >> 22);
467 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
468 "qcu_complete state: %2x dcu_complete state: %2x\n",
469 (val
[3] & 0x1c000000) >> 26, (val
[6] & 0x3));
470 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
471 "dcu_arb state: %2x dcu_fp state: %2x\n",
472 (val
[5] & 0x06000000) >> 25, (val
[5] & 0x38000000) >> 27);
473 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
474 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
475 (val
[6] & 0x000003fc) >> 2, (val
[6] & 0x00000400) >> 10);
476 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
477 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
478 (val
[6] & 0x00000800) >> 11, (val
[6] & 0x00001000) >> 12);
479 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
480 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
481 (val
[6] & 0x0001e000) >> 13, (val
[6] & 0x001e0000) >> 17);
483 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
, "pcu observe: 0x%x\n",
484 REG_READ_D(ah
, AR_OBS_BUS_1
));
485 len
+= scnprintf(buf
+ len
, DMA_BUF_LEN
- len
,
486 "AR_CR: 0x%x\n", REG_READ_D(ah
, AR_CR
));
488 ath9k_ps_restore(sc
);
490 if (len
> DMA_BUF_LEN
)
493 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
498 static const struct file_operations fops_dma
= {
499 .read
= read_file_dma
,
501 .owner
= THIS_MODULE
,
502 .llseek
= default_llseek
,
506 void ath_debug_stat_interrupt(struct ath_softc
*sc
, enum ath9k_int status
)
509 sc
->debug
.stats
.istats
.total
++;
510 if (sc
->sc_ah
->caps
.hw_caps
& ATH9K_HW_CAP_EDMA
) {
511 if (status
& ATH9K_INT_RXLP
)
512 sc
->debug
.stats
.istats
.rxlp
++;
513 if (status
& ATH9K_INT_RXHP
)
514 sc
->debug
.stats
.istats
.rxhp
++;
515 if (status
& ATH9K_INT_BB_WATCHDOG
)
516 sc
->debug
.stats
.istats
.bb_watchdog
++;
518 if (status
& ATH9K_INT_RX
)
519 sc
->debug
.stats
.istats
.rxok
++;
521 if (status
& ATH9K_INT_RXEOL
)
522 sc
->debug
.stats
.istats
.rxeol
++;
523 if (status
& ATH9K_INT_RXORN
)
524 sc
->debug
.stats
.istats
.rxorn
++;
525 if (status
& ATH9K_INT_TX
)
526 sc
->debug
.stats
.istats
.txok
++;
527 if (status
& ATH9K_INT_TXURN
)
528 sc
->debug
.stats
.istats
.txurn
++;
529 if (status
& ATH9K_INT_RXPHY
)
530 sc
->debug
.stats
.istats
.rxphyerr
++;
531 if (status
& ATH9K_INT_RXKCM
)
532 sc
->debug
.stats
.istats
.rx_keycache_miss
++;
533 if (status
& ATH9K_INT_SWBA
)
534 sc
->debug
.stats
.istats
.swba
++;
535 if (status
& ATH9K_INT_BMISS
)
536 sc
->debug
.stats
.istats
.bmiss
++;
537 if (status
& ATH9K_INT_BNR
)
538 sc
->debug
.stats
.istats
.bnr
++;
539 if (status
& ATH9K_INT_CST
)
540 sc
->debug
.stats
.istats
.cst
++;
541 if (status
& ATH9K_INT_GTT
)
542 sc
->debug
.stats
.istats
.gtt
++;
543 if (status
& ATH9K_INT_TIM
)
544 sc
->debug
.stats
.istats
.tim
++;
545 if (status
& ATH9K_INT_CABEND
)
546 sc
->debug
.stats
.istats
.cabend
++;
547 if (status
& ATH9K_INT_DTIMSYNC
)
548 sc
->debug
.stats
.istats
.dtimsync
++;
549 if (status
& ATH9K_INT_DTIM
)
550 sc
->debug
.stats
.istats
.dtim
++;
551 if (status
& ATH9K_INT_TSFOOR
)
552 sc
->debug
.stats
.istats
.tsfoor
++;
553 if (status
& ATH9K_INT_MCI
)
554 sc
->debug
.stats
.istats
.mci
++;
555 if (status
& ATH9K_INT_GENTIMER
)
556 sc
->debug
.stats
.istats
.gen_timer
++;
559 static ssize_t
read_file_interrupt(struct file
*file
, char __user
*user_buf
,
560 size_t count
, loff_t
*ppos
)
562 struct ath_softc
*sc
= file
->private_data
;
563 unsigned int len
= 0;
566 char *buf
= kmalloc(mxlen
, GFP_KERNEL
);
570 #define PR_IS(a, s) \
572 len += scnprintf(buf + len, mxlen - len, \
574 sc->debug.stats.istats.s); \
577 if (sc
->sc_ah
->caps
.hw_caps
& ATH9K_HW_CAP_EDMA
) {
580 PR_IS("WATHDOG", bb_watchdog
);
584 PR_IS("RXEOL", rxeol
);
585 PR_IS("RXORN", rxorn
);
587 PR_IS("TXURN", txurn
);
589 PR_IS("RXPHY", rxphyerr
);
590 PR_IS("RXKCM", rx_keycache_miss
);
592 PR_IS("BMISS", bmiss
);
597 PR_IS("CABEND", cabend
);
598 PR_IS("DTIMSYNC", dtimsync
);
600 PR_IS("TSFOOR", tsfoor
);
602 PR_IS("GENTIMER", gen_timer
);
603 PR_IS("TOTAL", total
);
605 len
+= scnprintf(buf
+ len
, mxlen
- len
,
606 "SYNC_CAUSE stats:\n");
608 PR_IS("Sync-All", sync_cause_all
);
609 PR_IS("RTC-IRQ", sync_rtc_irq
);
610 PR_IS("MAC-IRQ", sync_mac_irq
);
611 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access
);
612 PR_IS("APB-Timeout", apb_timeout
);
613 PR_IS("PCI-Mode-Conflict", pci_mode_conflict
);
614 PR_IS("HOST1-Fatal", host1_fatal
);
615 PR_IS("HOST1-Perr", host1_perr
);
616 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr
);
617 PR_IS("RADM-CPL-EP", radm_cpl_ep
);
618 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort
);
619 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort
);
620 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err
);
621 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout
);
622 PR_IS("Local-Bus-Timeout", local_timeout
);
623 PR_IS("PM-Access", pm_access
);
624 PR_IS("MAC-Awake", mac_awake
);
625 PR_IS("MAC-Asleep", mac_asleep
);
626 PR_IS("MAC-Sleep-Access", mac_sleep_access
);
631 rv
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
636 static const struct file_operations fops_interrupt
= {
637 .read
= read_file_interrupt
,
639 .owner
= THIS_MODULE
,
640 .llseek
= default_llseek
,
643 static ssize_t
read_file_xmit(struct file
*file
, char __user
*user_buf
,
644 size_t count
, loff_t
*ppos
)
646 struct ath_softc
*sc
= file
->private_data
;
648 unsigned int len
= 0, size
= 2048;
651 buf
= kzalloc(size
, GFP_KERNEL
);
655 len
+= sprintf(buf
, "%30s %10s%10s%10s\n\n",
656 "BE", "BK", "VI", "VO");
658 PR("MPDUs Queued: ", queued
);
659 PR("MPDUs Completed: ", completed
);
660 PR("MPDUs XRetried: ", xretries
);
661 PR("Aggregates: ", a_aggr
);
662 PR("AMPDUs Queued HW:", a_queued_hw
);
663 PR("AMPDUs Queued SW:", a_queued_sw
);
664 PR("AMPDUs Completed:", a_completed
);
665 PR("AMPDUs Retried: ", a_retries
);
666 PR("AMPDUs XRetried: ", a_xretries
);
667 PR("TXERR Filtered: ", txerr_filtered
);
668 PR("FIFO Underrun: ", fifo_underrun
);
669 PR("TXOP Exceeded: ", xtxop
);
670 PR("TXTIMER Expiry: ", timer_exp
);
671 PR("DESC CFG Error: ", desc_cfg_err
);
672 PR("DATA Underrun: ", data_underrun
);
673 PR("DELIM Underrun: ", delim_underrun
);
674 PR("TX-Pkts-All: ", tx_pkts_all
);
675 PR("TX-Bytes-All: ", tx_bytes_all
);
676 PR("HW-put-tx-buf: ", puttxbuf
);
677 PR("HW-tx-start: ", txstart
);
678 PR("HW-tx-proc-desc: ", txprocdesc
);
679 PR("TX-Failed: ", txfailed
);
684 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
690 static ssize_t
print_queue(struct ath_softc
*sc
, struct ath_txq
*txq
,
691 char *buf
, ssize_t size
)
695 ath_txq_lock(sc
, txq
);
697 len
+= scnprintf(buf
+ len
, size
- len
, "%s: %d ",
698 "qnum", txq
->axq_qnum
);
699 len
+= scnprintf(buf
+ len
, size
- len
, "%s: %2d ",
700 "qdepth", txq
->axq_depth
);
701 len
+= scnprintf(buf
+ len
, size
- len
, "%s: %2d ",
702 "ampdu-depth", txq
->axq_ampdu_depth
);
703 len
+= scnprintf(buf
+ len
, size
- len
, "%s: %3d ",
704 "pending", txq
->pending_frames
);
705 len
+= scnprintf(buf
+ len
, size
- len
, "%s: %d\n",
706 "stopped", txq
->stopped
);
708 ath_txq_unlock(sc
, txq
);
712 static ssize_t
read_file_queues(struct file
*file
, char __user
*user_buf
,
713 size_t count
, loff_t
*ppos
)
715 struct ath_softc
*sc
= file
->private_data
;
718 unsigned int len
= 0;
719 const unsigned int size
= 1024;
722 static const char *qname
[4] = {
723 "VO", "VI", "BE", "BK"
726 buf
= kzalloc(size
, GFP_KERNEL
);
730 for (i
= 0; i
< IEEE80211_NUM_ACS
; i
++) {
731 txq
= sc
->tx
.txq_map
[i
];
732 len
+= scnprintf(buf
+ len
, size
- len
, "(%s): ", qname
[i
]);
733 len
+= print_queue(sc
, txq
, buf
+ len
, size
- len
);
736 len
+= scnprintf(buf
+ len
, size
- len
, "(CAB): ");
737 len
+= print_queue(sc
, sc
->beacon
.cabq
, buf
+ len
, size
- len
);
742 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
748 static ssize_t
read_file_misc(struct file
*file
, char __user
*user_buf
,
749 size_t count
, loff_t
*ppos
)
751 struct ath_softc
*sc
= file
->private_data
;
752 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
753 struct ieee80211_hw
*hw
= sc
->hw
;
754 struct ath9k_vif_iter_data iter_data
;
756 unsigned int len
= 0;
761 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
762 "BSSID: %pM\n", common
->curbssid
);
763 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
764 "BSSID-MASK: %pM\n", common
->bssidmask
);
765 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
767 ath_opmode_to_string(sc
->sc_ah
->opmode
));
770 rxfilter
= ath9k_hw_getrxfilter(sc
->sc_ah
);
771 ath9k_ps_restore(sc
);
773 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
774 "RXFILTER: 0x%x", rxfilter
);
776 if (rxfilter
& ATH9K_RX_FILTER_UCAST
)
777 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " UCAST");
778 if (rxfilter
& ATH9K_RX_FILTER_MCAST
)
779 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " MCAST");
780 if (rxfilter
& ATH9K_RX_FILTER_BCAST
)
781 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " BCAST");
782 if (rxfilter
& ATH9K_RX_FILTER_CONTROL
)
783 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " CONTROL");
784 if (rxfilter
& ATH9K_RX_FILTER_BEACON
)
785 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " BEACON");
786 if (rxfilter
& ATH9K_RX_FILTER_PROM
)
787 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " PROM");
788 if (rxfilter
& ATH9K_RX_FILTER_PROBEREQ
)
789 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " PROBEREQ");
790 if (rxfilter
& ATH9K_RX_FILTER_PHYERR
)
791 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " PHYERR");
792 if (rxfilter
& ATH9K_RX_FILTER_MYBEACON
)
793 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " MYBEACON");
794 if (rxfilter
& ATH9K_RX_FILTER_COMP_BAR
)
795 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " COMP_BAR");
796 if (rxfilter
& ATH9K_RX_FILTER_PSPOLL
)
797 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " PSPOLL");
798 if (rxfilter
& ATH9K_RX_FILTER_PHYRADAR
)
799 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " PHYRADAR");
800 if (rxfilter
& ATH9K_RX_FILTER_MCAST_BCAST_ALL
)
801 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " MCAST_BCAST_ALL");
802 if (rxfilter
& ATH9K_RX_FILTER_CONTROL_WRAPPER
)
803 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " CONTROL_WRAPPER");
805 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, "\n");
807 reg
= sc
->sc_ah
->imask
;
809 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
810 "INTERRUPT-MASK: 0x%x", reg
);
812 if (reg
& ATH9K_INT_SWBA
)
813 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " SWBA");
814 if (reg
& ATH9K_INT_BMISS
)
815 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " BMISS");
816 if (reg
& ATH9K_INT_CST
)
817 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " CST");
818 if (reg
& ATH9K_INT_RX
)
819 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " RX");
820 if (reg
& ATH9K_INT_RXHP
)
821 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " RXHP");
822 if (reg
& ATH9K_INT_RXLP
)
823 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " RXLP");
824 if (reg
& ATH9K_INT_BB_WATCHDOG
)
825 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, " BB_WATCHDOG");
827 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
, "\n");
829 ath9k_calculate_iter_data(hw
, NULL
, &iter_data
);
831 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
832 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
833 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
834 iter_data
.naps
, iter_data
.nstations
, iter_data
.nmeshes
,
835 iter_data
.nwds
, iter_data
.nadhocs
,
836 sc
->nvifs
, sc
->nbcnvifs
);
838 if (len
> sizeof(buf
))
841 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
845 static ssize_t
read_file_reset(struct file
*file
, char __user
*user_buf
,
846 size_t count
, loff_t
*ppos
)
848 struct ath_softc
*sc
= file
->private_data
;
850 unsigned int len
= 0;
852 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
853 "%17s: %2d\n", "Baseband Hang",
854 sc
->debug
.stats
.reset
[RESET_TYPE_BB_HANG
]);
855 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
856 "%17s: %2d\n", "Baseband Watchdog",
857 sc
->debug
.stats
.reset
[RESET_TYPE_BB_WATCHDOG
]);
858 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
859 "%17s: %2d\n", "Fatal HW Error",
860 sc
->debug
.stats
.reset
[RESET_TYPE_FATAL_INT
]);
861 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
862 "%17s: %2d\n", "TX HW error",
863 sc
->debug
.stats
.reset
[RESET_TYPE_TX_ERROR
]);
864 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
865 "%17s: %2d\n", "TX Path Hang",
866 sc
->debug
.stats
.reset
[RESET_TYPE_TX_HANG
]);
867 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
868 "%17s: %2d\n", "PLL RX Hang",
869 sc
->debug
.stats
.reset
[RESET_TYPE_PLL_HANG
]);
870 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
871 "%17s: %2d\n", "MAC Hang",
872 sc
->debug
.stats
.reset
[RESET_TYPE_MAC_HANG
]);
873 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
874 "%17s: %2d\n", "Stuck Beacon",
875 sc
->debug
.stats
.reset
[RESET_TYPE_BEACON_STUCK
]);
876 len
+= scnprintf(buf
+ len
, sizeof(buf
) - len
,
877 "%17s: %2d\n", "MCI Reset",
878 sc
->debug
.stats
.reset
[RESET_TYPE_MCI
]);
880 if (len
> sizeof(buf
))
883 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
886 void ath_debug_stat_tx(struct ath_softc
*sc
, struct ath_buf
*bf
,
887 struct ath_tx_status
*ts
, struct ath_txq
*txq
,
890 int qnum
= txq
->axq_qnum
;
892 TX_STAT_INC(qnum
, tx_pkts_all
);
893 sc
->debug
.stats
.txstats
[qnum
].tx_bytes_all
+= bf
->bf_mpdu
->len
;
895 if (bf_isampdu(bf
)) {
896 if (flags
& ATH_TX_ERROR
)
897 TX_STAT_INC(qnum
, a_xretries
);
899 TX_STAT_INC(qnum
, a_completed
);
901 if (ts
->ts_status
& ATH9K_TXERR_XRETRY
)
902 TX_STAT_INC(qnum
, xretries
);
904 TX_STAT_INC(qnum
, completed
);
907 if (ts
->ts_status
& ATH9K_TXERR_FILT
)
908 TX_STAT_INC(qnum
, txerr_filtered
);
909 if (ts
->ts_status
& ATH9K_TXERR_FIFO
)
910 TX_STAT_INC(qnum
, fifo_underrun
);
911 if (ts
->ts_status
& ATH9K_TXERR_XTXOP
)
912 TX_STAT_INC(qnum
, xtxop
);
913 if (ts
->ts_status
& ATH9K_TXERR_TIMER_EXPIRED
)
914 TX_STAT_INC(qnum
, timer_exp
);
915 if (ts
->ts_flags
& ATH9K_TX_DESC_CFG_ERR
)
916 TX_STAT_INC(qnum
, desc_cfg_err
);
917 if (ts
->ts_flags
& ATH9K_TX_DATA_UNDERRUN
)
918 TX_STAT_INC(qnum
, data_underrun
);
919 if (ts
->ts_flags
& ATH9K_TX_DELIM_UNDERRUN
)
920 TX_STAT_INC(qnum
, delim_underrun
);
923 static const struct file_operations fops_xmit
= {
924 .read
= read_file_xmit
,
926 .owner
= THIS_MODULE
,
927 .llseek
= default_llseek
,
930 static const struct file_operations fops_queues
= {
931 .read
= read_file_queues
,
933 .owner
= THIS_MODULE
,
934 .llseek
= default_llseek
,
937 static const struct file_operations fops_misc
= {
938 .read
= read_file_misc
,
940 .owner
= THIS_MODULE
,
941 .llseek
= default_llseek
,
944 static const struct file_operations fops_reset
= {
945 .read
= read_file_reset
,
947 .owner
= THIS_MODULE
,
948 .llseek
= default_llseek
,
951 static ssize_t
read_file_recv(struct file
*file
, char __user
*user_buf
,
952 size_t count
, loff_t
*ppos
)
954 #define RXS_ERR(s, e) \
956 len += scnprintf(buf + len, size - len, \
957 "%18s : %10u\n", s, \
958 sc->debug.stats.rxstats.e);\
961 struct ath_softc
*sc
= file
->private_data
;
963 unsigned int len
= 0, size
= 1600;
966 buf
= kzalloc(size
, GFP_KERNEL
);
970 RXS_ERR("PKTS-ALL", rx_pkts_all
);
971 RXS_ERR("BYTES-ALL", rx_bytes_all
);
972 RXS_ERR("BEACONS", rx_beacons
);
973 RXS_ERR("FRAGS", rx_frags
);
974 RXS_ERR("SPECTRAL", rx_spectral
);
976 RXS_ERR("CRC ERR", crc_err
);
977 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err
);
978 RXS_ERR("PHY ERR", phy_err
);
979 RXS_ERR("MIC ERR", mic_err
);
980 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err
);
981 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err
);
982 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err
);
983 RXS_ERR("LENGTH-ERR", rx_len_err
);
984 RXS_ERR("OOM-ERR", rx_oom_err
);
985 RXS_ERR("RATE-ERR", rx_rate_err
);
986 RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err
);
991 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
999 void ath_debug_stat_rx(struct ath_softc
*sc
, struct ath_rx_status
*rs
)
1001 ath9k_cmn_debug_stat_rx(&sc
->debug
.stats
.rxstats
, rs
);
1004 static const struct file_operations fops_recv
= {
1005 .read
= read_file_recv
,
1006 .open
= simple_open
,
1007 .owner
= THIS_MODULE
,
1008 .llseek
= default_llseek
,
1011 static ssize_t
read_file_phy_err(struct file
*file
, char __user
*user_buf
,
1012 size_t count
, loff_t
*ppos
)
1014 #define PHY_ERR(s, p) \
1015 len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
1016 sc->debug.stats.rxstats.phy_err_stats[p]);
1018 struct ath_softc
*sc
= file
->private_data
;
1020 unsigned int len
= 0, size
= 1600;
1023 buf
= kzalloc(size
, GFP_KERNEL
);
1027 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN
);
1028 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING
);
1029 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY
);
1030 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE
);
1031 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH
);
1032 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR
);
1033 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE
);
1034 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR
);
1035 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING
);
1036 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY
);
1037 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL
);
1038 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL
);
1039 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP
);
1040 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE
);
1041 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART
);
1042 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT
);
1043 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING
);
1044 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC
);
1045 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL
);
1046 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE
);
1047 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART
);
1048 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL
);
1049 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP
);
1050 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR
);
1051 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL
);
1052 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL
);
1057 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1065 static const struct file_operations fops_phy_err
= {
1066 .read
= read_file_phy_err
,
1067 .open
= simple_open
,
1068 .owner
= THIS_MODULE
,
1069 .llseek
= default_llseek
,
1072 static ssize_t
read_file_regidx(struct file
*file
, char __user
*user_buf
,
1073 size_t count
, loff_t
*ppos
)
1075 struct ath_softc
*sc
= file
->private_data
;
1079 len
= sprintf(buf
, "0x%08x\n", sc
->debug
.regidx
);
1080 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1083 static ssize_t
write_file_regidx(struct file
*file
, const char __user
*user_buf
,
1084 size_t count
, loff_t
*ppos
)
1086 struct ath_softc
*sc
= file
->private_data
;
1087 unsigned long regidx
;
1091 len
= min(count
, sizeof(buf
) - 1);
1092 if (copy_from_user(buf
, user_buf
, len
))
1096 if (kstrtoul(buf
, 0, ®idx
))
1099 sc
->debug
.regidx
= regidx
;
1103 static const struct file_operations fops_regidx
= {
1104 .read
= read_file_regidx
,
1105 .write
= write_file_regidx
,
1106 .open
= simple_open
,
1107 .owner
= THIS_MODULE
,
1108 .llseek
= default_llseek
,
1111 static ssize_t
read_file_regval(struct file
*file
, char __user
*user_buf
,
1112 size_t count
, loff_t
*ppos
)
1114 struct ath_softc
*sc
= file
->private_data
;
1115 struct ath_hw
*ah
= sc
->sc_ah
;
1120 ath9k_ps_wakeup(sc
);
1121 regval
= REG_READ_D(ah
, sc
->debug
.regidx
);
1122 ath9k_ps_restore(sc
);
1123 len
= sprintf(buf
, "0x%08x\n", regval
);
1124 return simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1127 static ssize_t
write_file_regval(struct file
*file
, const char __user
*user_buf
,
1128 size_t count
, loff_t
*ppos
)
1130 struct ath_softc
*sc
= file
->private_data
;
1131 struct ath_hw
*ah
= sc
->sc_ah
;
1132 unsigned long regval
;
1136 len
= min(count
, sizeof(buf
) - 1);
1137 if (copy_from_user(buf
, user_buf
, len
))
1141 if (kstrtoul(buf
, 0, ®val
))
1144 ath9k_ps_wakeup(sc
);
1145 REG_WRITE_D(ah
, sc
->debug
.regidx
, regval
);
1146 ath9k_ps_restore(sc
);
1150 static const struct file_operations fops_regval
= {
1151 .read
= read_file_regval
,
1152 .write
= write_file_regval
,
1153 .open
= simple_open
,
1154 .owner
= THIS_MODULE
,
1155 .llseek
= default_llseek
,
1158 #define REGDUMP_LINE_SIZE 20
1160 static int open_file_regdump(struct inode
*inode
, struct file
*file
)
1162 struct ath_softc
*sc
= inode
->i_private
;
1163 unsigned int len
= 0;
1166 unsigned long num_regs
, regdump_len
, max_reg_offset
;
1168 max_reg_offset
= AR_SREV_9300_20_OR_LATER(sc
->sc_ah
) ? 0x16bd4 : 0xb500;
1169 num_regs
= max_reg_offset
/ 4 + 1;
1170 regdump_len
= num_regs
* REGDUMP_LINE_SIZE
+ 1;
1171 buf
= vmalloc(regdump_len
);
1175 ath9k_ps_wakeup(sc
);
1176 for (i
= 0; i
< num_regs
; i
++)
1177 len
+= scnprintf(buf
+ len
, regdump_len
- len
,
1178 "0x%06x 0x%08x\n", i
<< 2, REG_READ(sc
->sc_ah
, i
<< 2));
1179 ath9k_ps_restore(sc
);
1181 file
->private_data
= buf
;
1186 static const struct file_operations fops_regdump
= {
1187 .open
= open_file_regdump
,
1188 .read
= ath9k_debugfs_read_buf
,
1189 .release
= ath9k_debugfs_release_buf
,
1190 .owner
= THIS_MODULE
,
1191 .llseek
= default_llseek
,/* read accesses f_pos */
1194 static ssize_t
read_file_dump_nfcal(struct file
*file
, char __user
*user_buf
,
1195 size_t count
, loff_t
*ppos
)
1197 struct ath_softc
*sc
= file
->private_data
;
1198 struct ath_hw
*ah
= sc
->sc_ah
;
1199 struct ath9k_nfcal_hist
*h
= sc
->caldata
.nfCalHist
;
1200 struct ath_common
*common
= ath9k_hw_common(ah
);
1201 struct ieee80211_conf
*conf
= &common
->hw
->conf
;
1202 u32 len
= 0, size
= 1500;
1206 u8 chainmask
= (ah
->rxchainmask
<< 3) | ah
->rxchainmask
;
1209 buf
= kzalloc(size
, GFP_KERNEL
);
1213 len
+= scnprintf(buf
+ len
, size
- len
,
1214 "Channel Noise Floor : %d\n", ah
->noise
);
1215 len
+= scnprintf(buf
+ len
, size
- len
,
1216 "Chain | privNF | # Readings | NF Readings\n");
1217 for (i
= 0; i
< NUM_NF_READINGS
; i
++) {
1218 if (!(chainmask
& (1 << i
)) ||
1219 ((i
>= AR5416_MAX_CHAINS
) && !conf_is_ht40(conf
)))
1222 nread
= AR_PHY_CCA_FILTERWINDOW_LENGTH
- h
[i
].invalidNFcount
;
1223 len
+= scnprintf(buf
+ len
, size
- len
, " %d\t %d\t %d\t\t",
1224 i
, h
[i
].privNF
, nread
);
1225 for (j
= 0; j
< nread
; j
++)
1226 len
+= scnprintf(buf
+ len
, size
- len
,
1227 " %d", h
[i
].nfCalBuffer
[j
]);
1228 len
+= scnprintf(buf
+ len
, size
- len
, "\n");
1234 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1240 static const struct file_operations fops_dump_nfcal
= {
1241 .read
= read_file_dump_nfcal
,
1242 .open
= simple_open
,
1243 .owner
= THIS_MODULE
,
1244 .llseek
= default_llseek
,
1247 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1248 static ssize_t
read_file_btcoex(struct file
*file
, char __user
*user_buf
,
1249 size_t count
, loff_t
*ppos
)
1251 struct ath_softc
*sc
= file
->private_data
;
1252 u32 len
= 0, size
= 1500;
1256 buf
= kzalloc(size
, GFP_KERNEL
);
1260 if (!sc
->sc_ah
->common
.btcoex_enabled
) {
1261 len
= scnprintf(buf
, size
, "%s\n",
1262 "BTCOEX is disabled");
1266 len
= ath9k_dump_btcoex(sc
, buf
, size
);
1268 retval
= simple_read_from_buffer(user_buf
, count
, ppos
, buf
, len
);
1274 static const struct file_operations fops_btcoex
= {
1275 .read
= read_file_btcoex
,
1276 .open
= simple_open
,
1277 .owner
= THIS_MODULE
,
1278 .llseek
= default_llseek
,
1282 /* Ethtool support for get-stats */
1284 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1285 static const char ath9k_gstrings_stats
[][ETH_GSTRING_LEN
] = {
1292 AMKSTR(d_tx_mpdus_queued
),
1293 AMKSTR(d_tx_mpdus_completed
),
1294 AMKSTR(d_tx_mpdu_xretries
),
1295 AMKSTR(d_tx_aggregates
),
1296 AMKSTR(d_tx_ampdus_queued_hw
),
1297 AMKSTR(d_tx_ampdus_queued_sw
),
1298 AMKSTR(d_tx_ampdus_completed
),
1299 AMKSTR(d_tx_ampdu_retries
),
1300 AMKSTR(d_tx_ampdu_xretries
),
1301 AMKSTR(d_tx_fifo_underrun
),
1302 AMKSTR(d_tx_op_exceeded
),
1303 AMKSTR(d_tx_timer_expiry
),
1304 AMKSTR(d_tx_desc_cfg_err
),
1305 AMKSTR(d_tx_data_underrun
),
1306 AMKSTR(d_tx_delim_underrun
),
1308 "d_rx_decrypt_crc_err",
1311 "d_rx_pre_delim_crc_err",
1312 "d_rx_post_delim_crc_err",
1313 "d_rx_decrypt_busy_err",
1315 "d_rx_phyerr_radar",
1316 "d_rx_phyerr_ofdm_timing",
1317 "d_rx_phyerr_cck_timing",
1320 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1322 void ath9k_get_et_strings(struct ieee80211_hw
*hw
,
1323 struct ieee80211_vif
*vif
,
1326 if (sset
== ETH_SS_STATS
)
1327 memcpy(data
, *ath9k_gstrings_stats
,
1328 sizeof(ath9k_gstrings_stats
));
1331 int ath9k_get_et_sset_count(struct ieee80211_hw
*hw
,
1332 struct ieee80211_vif
*vif
, int sset
)
1334 if (sset
== ETH_SS_STATS
)
1335 return ATH9K_SSTATS_LEN
;
1339 #define AWDATA(elem) \
1341 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1342 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1343 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1344 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1347 #define AWDATA_RX(elem) \
1349 data[i++] = sc->debug.stats.rxstats.elem; \
1352 void ath9k_get_et_stats(struct ieee80211_hw
*hw
,
1353 struct ieee80211_vif
*vif
,
1354 struct ethtool_stats
*stats
, u64
*data
)
1356 struct ath_softc
*sc
= hw
->priv
;
1359 data
[i
++] = (sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_BE
)].tx_pkts_all
+
1360 sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_BK
)].tx_pkts_all
+
1361 sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_VI
)].tx_pkts_all
+
1362 sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_VO
)].tx_pkts_all
);
1363 data
[i
++] = (sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_BE
)].tx_bytes_all
+
1364 sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_BK
)].tx_bytes_all
+
1365 sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_VI
)].tx_bytes_all
+
1366 sc
->debug
.stats
.txstats
[PR_QNUM(IEEE80211_AC_VO
)].tx_bytes_all
);
1367 AWDATA_RX(rx_pkts_all
);
1368 AWDATA_RX(rx_bytes_all
);
1370 AWDATA(tx_pkts_all
);
1371 AWDATA(tx_bytes_all
);
1376 AWDATA(a_queued_hw
);
1377 AWDATA(a_queued_sw
);
1378 AWDATA(a_completed
);
1381 AWDATA(fifo_underrun
);
1384 AWDATA(desc_cfg_err
);
1385 AWDATA(data_underrun
);
1386 AWDATA(delim_underrun
);
1389 AWDATA_RX(decrypt_crc_err
);
1392 AWDATA_RX(pre_delim_crc_err
);
1393 AWDATA_RX(post_delim_crc_err
);
1394 AWDATA_RX(decrypt_busy_err
);
1396 AWDATA_RX(phy_err_stats
[ATH9K_PHYERR_RADAR
]);
1397 AWDATA_RX(phy_err_stats
[ATH9K_PHYERR_OFDM_TIMING
]);
1398 AWDATA_RX(phy_err_stats
[ATH9K_PHYERR_CCK_TIMING
]);
1400 WARN_ON(i
!= ATH9K_SSTATS_LEN
);
1403 void ath9k_deinit_debug(struct ath_softc
*sc
)
1405 ath9k_spectral_deinit_debug(sc
);
1408 int ath9k_init_debug(struct ath_hw
*ah
)
1410 struct ath_common
*common
= ath9k_hw_common(ah
);
1411 struct ath_softc
*sc
= (struct ath_softc
*) common
->priv
;
1413 sc
->debug
.debugfs_phy
= debugfs_create_dir("ath9k",
1414 sc
->hw
->wiphy
->debugfsdir
);
1415 if (!sc
->debug
.debugfs_phy
)
1418 #ifdef CONFIG_ATH_DEBUG
1419 debugfs_create_file("debug", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1423 ath9k_dfs_init_debug(sc
);
1424 ath9k_tx99_init_debug(sc
);
1425 ath9k_spectral_init_debug(sc
);
1427 debugfs_create_file("dma", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1429 debugfs_create_file("interrupt", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1431 debugfs_create_file("xmit", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1433 debugfs_create_file("queues", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1435 debugfs_create_u32("qlen_bk", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1436 &sc
->tx
.txq_max_pending
[IEEE80211_AC_BK
]);
1437 debugfs_create_u32("qlen_be", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1438 &sc
->tx
.txq_max_pending
[IEEE80211_AC_BE
]);
1439 debugfs_create_u32("qlen_vi", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1440 &sc
->tx
.txq_max_pending
[IEEE80211_AC_VI
]);
1441 debugfs_create_u32("qlen_vo", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1442 &sc
->tx
.txq_max_pending
[IEEE80211_AC_VO
]);
1443 debugfs_create_file("misc", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1445 debugfs_create_file("reset", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1447 debugfs_create_file("recv", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1449 debugfs_create_file("phy_err", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1451 debugfs_create_u8("rx_chainmask", S_IRUSR
, sc
->debug
.debugfs_phy
,
1453 debugfs_create_u8("tx_chainmask", S_IRUSR
, sc
->debug
.debugfs_phy
,
1455 debugfs_create_file("ani", S_IRUSR
| S_IWUSR
,
1456 sc
->debug
.debugfs_phy
, sc
, &fops_ani
);
1457 debugfs_create_bool("paprd", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1458 &sc
->sc_ah
->config
.enable_paprd
);
1459 debugfs_create_file("regidx", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1461 debugfs_create_file("regval", S_IRUSR
| S_IWUSR
, sc
->debug
.debugfs_phy
,
1463 debugfs_create_bool("ignore_extcca", S_IRUSR
| S_IWUSR
,
1464 sc
->debug
.debugfs_phy
,
1465 &ah
->config
.cwm_ignore_extcca
);
1466 debugfs_create_file("regdump", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1468 debugfs_create_file("dump_nfcal", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,
1471 ath9k_cmn_debug_base_eeprom(sc
->debug
.debugfs_phy
, sc
->sc_ah
);
1472 ath9k_cmn_debug_modal_eeprom(sc
->debug
.debugfs_phy
, sc
->sc_ah
);
1474 debugfs_create_u32("gpio_mask", S_IRUSR
| S_IWUSR
,
1475 sc
->debug
.debugfs_phy
, &sc
->sc_ah
->gpio_mask
);
1476 debugfs_create_u32("gpio_val", S_IRUSR
| S_IWUSR
,
1477 sc
->debug
.debugfs_phy
, &sc
->sc_ah
->gpio_val
);
1478 debugfs_create_file("antenna_diversity", S_IRUSR
,
1479 sc
->debug
.debugfs_phy
, sc
, &fops_antenna_diversity
);
1480 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1481 debugfs_create_file("bt_ant_diversity", S_IRUSR
| S_IWUSR
,
1482 sc
->debug
.debugfs_phy
, sc
, &fops_bt_ant_diversity
);
1483 debugfs_create_file("btcoex", S_IRUSR
, sc
->debug
.debugfs_phy
, sc
,