2 * Copyright (c) 2008-2009 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 <asm/unaligned.h>
21 #define REG_WRITE_D(_ah, _reg, _val) \
22 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
23 #define REG_READ_D(_ah, _reg) \
24 ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
26 static struct dentry *ath9k_debugfs_root;
28 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
30 file->private_data = inode->i_private;
34 #ifdef CONFIG_ATH_DEBUG
36 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
37 size_t count, loff_t *ppos)
39 struct ath_softc *sc = file->private_data;
40 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
44 len = snprintf(buf, sizeof(buf), "0x%08x\n", common->debug_mask);
45 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
48 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
49 size_t count, loff_t *ppos)
51 struct ath_softc *sc = file->private_data;
52 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
57 len = min(count, sizeof(buf) - 1);
58 if (copy_from_user(buf, user_buf, len))
62 if (strict_strtoul(buf, 0, &mask))
65 common->debug_mask = mask;
69 static const struct file_operations fops_debug = {
70 .read = read_file_debug,
71 .write = write_file_debug,
72 .open = ath9k_debugfs_open,
78 #define DMA_BUF_LEN 1024
80 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
81 size_t count, loff_t *ppos)
83 struct ath_softc *sc = file->private_data;
84 struct ath_hw *ah = sc->sc_ah;
88 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
89 int i, qcuOffset = 0, dcuOffset = 0;
90 u32 *qcuBase = &val[0], *dcuBase = &val[4];
92 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
98 REG_WRITE_D(ah, AR_MACMISC,
99 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
100 (AR_MACMISC_MISC_OBS_BUS_1 <<
101 AR_MACMISC_MISC_OBS_BUS_MSB_S)));
103 len += snprintf(buf + len, DMA_BUF_LEN - len,
104 "Raw DMA Debug values:\n");
106 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
108 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
110 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
111 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
115 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
116 len += snprintf(buf + len, DMA_BUF_LEN - len,
117 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
119 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
130 len += snprintf(buf + len, DMA_BUF_LEN - len,
131 "%2d %2x %1x %2x %2x\n",
132 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
133 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
134 val[2] & (0x7 << (i * 3)) >> (i * 3),
135 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
138 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
140 len += snprintf(buf + len, DMA_BUF_LEN - len,
141 "qcu_stitch state: %2x qcu_fetch state: %2x\n",
142 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
143 len += snprintf(buf + len, DMA_BUF_LEN - len,
144 "qcu_complete state: %2x dcu_complete state: %2x\n",
145 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
146 len += snprintf(buf + len, DMA_BUF_LEN - len,
147 "dcu_arb state: %2x dcu_fp state: %2x\n",
148 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
149 len += snprintf(buf + len, DMA_BUF_LEN - len,
150 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
151 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
152 len += snprintf(buf + len, DMA_BUF_LEN - len,
153 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
154 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
155 len += snprintf(buf + len, DMA_BUF_LEN - len,
156 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
157 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
159 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
160 REG_READ_D(ah, AR_OBS_BUS_1));
161 len += snprintf(buf + len, DMA_BUF_LEN - len,
162 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
164 ath9k_ps_restore(sc);
166 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
171 static const struct file_operations fops_dma = {
172 .read = read_file_dma,
173 .open = ath9k_debugfs_open,
178 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
181 sc->debug.stats.istats.total++;
182 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
183 if (status & ATH9K_INT_RXLP)
184 sc->debug.stats.istats.rxlp++;
185 if (status & ATH9K_INT_RXHP)
186 sc->debug.stats.istats.rxhp++;
188 if (status & ATH9K_INT_RX)
189 sc->debug.stats.istats.rxok++;
191 if (status & ATH9K_INT_RXEOL)
192 sc->debug.stats.istats.rxeol++;
193 if (status & ATH9K_INT_RXORN)
194 sc->debug.stats.istats.rxorn++;
195 if (status & ATH9K_INT_TX)
196 sc->debug.stats.istats.txok++;
197 if (status & ATH9K_INT_TXURN)
198 sc->debug.stats.istats.txurn++;
199 if (status & ATH9K_INT_MIB)
200 sc->debug.stats.istats.mib++;
201 if (status & ATH9K_INT_RXPHY)
202 sc->debug.stats.istats.rxphyerr++;
203 if (status & ATH9K_INT_RXKCM)
204 sc->debug.stats.istats.rx_keycache_miss++;
205 if (status & ATH9K_INT_SWBA)
206 sc->debug.stats.istats.swba++;
207 if (status & ATH9K_INT_BMISS)
208 sc->debug.stats.istats.bmiss++;
209 if (status & ATH9K_INT_BNR)
210 sc->debug.stats.istats.bnr++;
211 if (status & ATH9K_INT_CST)
212 sc->debug.stats.istats.cst++;
213 if (status & ATH9K_INT_GTT)
214 sc->debug.stats.istats.gtt++;
215 if (status & ATH9K_INT_TIM)
216 sc->debug.stats.istats.tim++;
217 if (status & ATH9K_INT_CABEND)
218 sc->debug.stats.istats.cabend++;
219 if (status & ATH9K_INT_DTIMSYNC)
220 sc->debug.stats.istats.dtimsync++;
221 if (status & ATH9K_INT_DTIM)
222 sc->debug.stats.istats.dtim++;
225 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
226 size_t count, loff_t *ppos)
228 struct ath_softc *sc = file->private_data;
230 unsigned int len = 0;
232 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
233 len += snprintf(buf + len, sizeof(buf) - len,
234 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
235 len += snprintf(buf + len, sizeof(buf) - len,
236 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
238 len += snprintf(buf + len, sizeof(buf) - len,
239 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
241 len += snprintf(buf + len, sizeof(buf) - len,
242 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
243 len += snprintf(buf + len, sizeof(buf) - len,
244 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
245 len += snprintf(buf + len, sizeof(buf) - len,
246 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
247 len += snprintf(buf + len, sizeof(buf) - len,
248 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
249 len += snprintf(buf + len, sizeof(buf) - len,
250 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
251 len += snprintf(buf + len, sizeof(buf) - len,
252 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
253 len += snprintf(buf + len, sizeof(buf) - len,
254 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
255 len += snprintf(buf + len, sizeof(buf) - len,
256 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
257 len += snprintf(buf + len, sizeof(buf) - len,
258 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
259 len += snprintf(buf + len, sizeof(buf) - len,
260 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
261 len += snprintf(buf + len, sizeof(buf) - len,
262 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
263 len += snprintf(buf + len, sizeof(buf) - len,
264 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
265 len += snprintf(buf + len, sizeof(buf) - len,
266 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
267 len += snprintf(buf + len, sizeof(buf) - len,
268 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
269 len += snprintf(buf + len, sizeof(buf) - len,
270 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
271 len += snprintf(buf + len, sizeof(buf) - len,
272 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
273 len += snprintf(buf + len, sizeof(buf) - len,
274 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
276 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
279 static const struct file_operations fops_interrupt = {
280 .read = read_file_interrupt,
281 .open = ath9k_debugfs_open,
285 void ath_debug_stat_rc(struct ath_softc *sc, int final_rate)
287 struct ath_rc_stats *stats;
289 stats = &sc->debug.stats.rcstats[final_rate];
293 void ath_debug_stat_retries(struct ath_softc *sc, int rix,
294 int xretries, int retries, u8 per)
296 struct ath_rc_stats *stats = &sc->debug.stats.rcstats[rix];
298 stats->xretries += xretries;
299 stats->retries += retries;
303 static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
304 size_t count, loff_t *ppos)
306 struct ath_softc *sc = file->private_data;
308 unsigned int len = 0, max;
312 if (sc->cur_rate_table == NULL)
315 max = 80 + sc->cur_rate_table->rate_cnt * 1024;
316 buf = kmalloc(max + 1, GFP_KERNEL);
321 len += sprintf(buf, "%6s %6s %6s "
322 "%10s %10s %10s %10s\n",
324 "Success", "Retries", "XRetries", "PER");
326 for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) {
327 u32 ratekbps = sc->cur_rate_table->info[i].ratekbps;
328 struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i];
331 int used_mcs = 0, used_htmode = 0;
333 if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) {
334 used_mcs = snprintf(mcs, 5, "%d",
335 sc->cur_rate_table->info[i].ratecode);
337 if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy))
338 used_htmode = snprintf(htmode, 5, "HT40");
339 else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy))
340 used_htmode = snprintf(htmode, 5, "HT20");
342 used_htmode = snprintf(htmode, 5, "????");
345 mcs[used_mcs] = '\0';
346 htmode[used_htmode] = '\0';
348 len += snprintf(buf + len, max - len,
350 "%10u %10u %10u %10u\n",
354 (ratekbps % 1000) / 100,
361 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
366 static const struct file_operations fops_rcstat = {
367 .read = read_file_rcstat,
368 .open = ath9k_debugfs_open,
372 static const char * ath_wiphy_state_str(enum ath_wiphy_state state)
375 case ATH_WIPHY_INACTIVE:
377 case ATH_WIPHY_ACTIVE:
379 case ATH_WIPHY_PAUSING:
381 case ATH_WIPHY_PAUSED:
389 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
390 size_t count, loff_t *ppos)
392 struct ath_softc *sc = file->private_data;
394 unsigned int len = 0;
398 len += snprintf(buf + len, sizeof(buf) - len,
399 "primary: %s (%s chan=%d ht=%d)\n",
400 wiphy_name(sc->pri_wiphy->hw->wiphy),
401 ath_wiphy_state_str(sc->pri_wiphy->state),
402 sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht);
403 for (i = 0; i < sc->num_sec_wiphy; i++) {
404 struct ath_wiphy *aphy = sc->sec_wiphy[i];
407 len += snprintf(buf + len, sizeof(buf) - len,
408 "secondary: %s (%s chan=%d ht=%d)\n",
409 wiphy_name(aphy->hw->wiphy),
410 ath_wiphy_state_str(aphy->state),
411 aphy->chan_idx, aphy->chan_is_ht);
414 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
415 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
416 len += snprintf(buf + len, sizeof(buf) - len,
417 "addr: %pM\n", addr);
418 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
419 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
420 len += snprintf(buf + len, sizeof(buf) - len,
421 "addrmask: %pM\n", addr);
423 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
426 static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name)
429 if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0)
430 return sc->pri_wiphy;
431 for (i = 0; i < sc->num_sec_wiphy; i++) {
432 struct ath_wiphy *aphy = sc->sec_wiphy[i];
433 if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0)
439 static int del_wiphy(struct ath_softc *sc, const char *name)
441 struct ath_wiphy *aphy = get_wiphy(sc, name);
444 return ath9k_wiphy_del(aphy);
447 static int pause_wiphy(struct ath_softc *sc, const char *name)
449 struct ath_wiphy *aphy = get_wiphy(sc, name);
452 return ath9k_wiphy_pause(aphy);
455 static int unpause_wiphy(struct ath_softc *sc, const char *name)
457 struct ath_wiphy *aphy = get_wiphy(sc, name);
460 return ath9k_wiphy_unpause(aphy);
463 static int select_wiphy(struct ath_softc *sc, const char *name)
465 struct ath_wiphy *aphy = get_wiphy(sc, name);
468 return ath9k_wiphy_select(aphy);
471 static int schedule_wiphy(struct ath_softc *sc, const char *msec)
473 ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0));
477 static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf,
478 size_t count, loff_t *ppos)
480 struct ath_softc *sc = file->private_data;
484 len = min(count, sizeof(buf) - 1);
485 if (copy_from_user(buf, user_buf, len))
488 if (len > 0 && buf[len - 1] == '\n')
491 if (strncmp(buf, "add", 3) == 0) {
492 int res = ath9k_wiphy_add(sc);
495 } else if (strncmp(buf, "del=", 4) == 0) {
496 int res = del_wiphy(sc, buf + 4);
499 } else if (strncmp(buf, "pause=", 6) == 0) {
500 int res = pause_wiphy(sc, buf + 6);
503 } else if (strncmp(buf, "unpause=", 8) == 0) {
504 int res = unpause_wiphy(sc, buf + 8);
507 } else if (strncmp(buf, "select=", 7) == 0) {
508 int res = select_wiphy(sc, buf + 7);
511 } else if (strncmp(buf, "schedule=", 9) == 0) {
512 int res = schedule_wiphy(sc, buf + 9);
521 static const struct file_operations fops_wiphy = {
522 .read = read_file_wiphy,
523 .write = write_file_wiphy,
524 .open = ath9k_debugfs_open,
528 #define PR(str, elem) \
530 len += snprintf(buf + len, size - len, \
531 "%s%13u%11u%10u%10u\n", str, \
532 sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \
533 sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \
534 sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \
535 sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \
538 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
539 size_t count, loff_t *ppos)
541 struct ath_softc *sc = file->private_data;
543 unsigned int len = 0, size = 2048;
546 buf = kzalloc(size, GFP_KERNEL);
550 len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
552 PR("MPDUs Queued: ", queued);
553 PR("MPDUs Completed: ", completed);
554 PR("Aggregates: ", a_aggr);
555 PR("AMPDUs Queued: ", a_queued);
556 PR("AMPDUs Completed:", a_completed);
557 PR("AMPDUs Retried: ", a_retries);
558 PR("AMPDUs XRetried: ", a_xretries);
559 PR("FIFO Underrun: ", fifo_underrun);
560 PR("TXOP Exceeded: ", xtxop);
561 PR("TXTIMER Expiry: ", timer_exp);
562 PR("DESC CFG Error: ", desc_cfg_err);
563 PR("DATA Underrun: ", data_underrun);
564 PR("DELIM Underrun: ", delim_underrun);
566 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
572 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
573 struct ath_buf *bf, struct ath_tx_status *ts)
575 if (bf_isampdu(bf)) {
576 if (bf_isxretried(bf))
577 TX_STAT_INC(txq->axq_qnum, a_xretries);
579 TX_STAT_INC(txq->axq_qnum, a_completed);
581 TX_STAT_INC(txq->axq_qnum, completed);
584 if (ts->ts_status & ATH9K_TXERR_FIFO)
585 TX_STAT_INC(txq->axq_qnum, fifo_underrun);
586 if (ts->ts_status & ATH9K_TXERR_XTXOP)
587 TX_STAT_INC(txq->axq_qnum, xtxop);
588 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
589 TX_STAT_INC(txq->axq_qnum, timer_exp);
590 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
591 TX_STAT_INC(txq->axq_qnum, desc_cfg_err);
592 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
593 TX_STAT_INC(txq->axq_qnum, data_underrun);
594 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
595 TX_STAT_INC(txq->axq_qnum, delim_underrun);
598 static const struct file_operations fops_xmit = {
599 .read = read_file_xmit,
600 .open = ath9k_debugfs_open,
604 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
605 size_t count, loff_t *ppos)
607 #define PHY_ERR(s, p) \
608 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
609 sc->debug.stats.rxstats.phy_err_stats[p]);
611 struct ath_softc *sc = file->private_data;
613 unsigned int len = 0, size = 1152;
616 buf = kzalloc(size, GFP_KERNEL);
620 len += snprintf(buf + len, size - len,
621 "%18s : %10u\n", "CRC ERR",
622 sc->debug.stats.rxstats.crc_err);
623 len += snprintf(buf + len, size - len,
624 "%18s : %10u\n", "DECRYPT CRC ERR",
625 sc->debug.stats.rxstats.decrypt_crc_err);
626 len += snprintf(buf + len, size - len,
627 "%18s : %10u\n", "PHY ERR",
628 sc->debug.stats.rxstats.phy_err);
629 len += snprintf(buf + len, size - len,
630 "%18s : %10u\n", "MIC ERR",
631 sc->debug.stats.rxstats.mic_err);
632 len += snprintf(buf + len, size - len,
633 "%18s : %10u\n", "PRE-DELIM CRC ERR",
634 sc->debug.stats.rxstats.pre_delim_crc_err);
635 len += snprintf(buf + len, size - len,
636 "%18s : %10u\n", "POST-DELIM CRC ERR",
637 sc->debug.stats.rxstats.post_delim_crc_err);
638 len += snprintf(buf + len, size - len,
639 "%18s : %10u\n", "DECRYPT BUSY ERR",
640 sc->debug.stats.rxstats.decrypt_busy_err);
642 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
643 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
644 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
645 PHY_ERR("RATE", ATH9K_PHYERR_RATE);
646 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
647 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
648 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
649 PHY_ERR("TOR", ATH9K_PHYERR_TOR);
650 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
651 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
652 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
653 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
654 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
655 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
656 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
657 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
658 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
659 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
660 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
661 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
662 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
663 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
664 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
665 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
666 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
667 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
669 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
677 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
679 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
680 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
684 if (rs->rs_status & ATH9K_RXERR_CRC)
685 RX_STAT_INC(crc_err);
686 if (rs->rs_status & ATH9K_RXERR_DECRYPT)
687 RX_STAT_INC(decrypt_crc_err);
688 if (rs->rs_status & ATH9K_RXERR_MIC)
689 RX_STAT_INC(mic_err);
690 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
691 RX_STAT_INC(pre_delim_crc_err);
692 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
693 RX_STAT_INC(post_delim_crc_err);
694 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
695 RX_STAT_INC(decrypt_busy_err);
697 if (rs->rs_status & ATH9K_RXERR_PHY) {
698 RX_STAT_INC(phy_err);
699 phyerr = rs->rs_phyerr & 0x24;
700 RX_PHY_ERR_INC(phyerr);
704 #undef RX_PHY_ERR_INC
707 static const struct file_operations fops_recv = {
708 .read = read_file_recv,
709 .open = ath9k_debugfs_open,
713 int ath9k_init_debug(struct ath_hw *ah)
715 struct ath_common *common = ath9k_hw_common(ah);
716 struct ath_softc *sc = (struct ath_softc *) common->priv;
718 if (!ath9k_debugfs_root)
721 sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
723 if (!sc->debug.debugfs_phy)
726 #ifdef CONFIG_ATH_DEBUG
727 sc->debug.debugfs_debug = debugfs_create_file("debug",
728 S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug);
729 if (!sc->debug.debugfs_debug)
733 sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR,
734 sc->debug.debugfs_phy, sc, &fops_dma);
735 if (!sc->debug.debugfs_dma)
738 sc->debug.debugfs_interrupt = debugfs_create_file("interrupt",
740 sc->debug.debugfs_phy,
741 sc, &fops_interrupt);
742 if (!sc->debug.debugfs_interrupt)
745 sc->debug.debugfs_rcstat = debugfs_create_file("rcstat",
747 sc->debug.debugfs_phy,
749 if (!sc->debug.debugfs_rcstat)
752 sc->debug.debugfs_wiphy = debugfs_create_file(
753 "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc,
755 if (!sc->debug.debugfs_wiphy)
758 sc->debug.debugfs_xmit = debugfs_create_file("xmit",
760 sc->debug.debugfs_phy,
762 if (!sc->debug.debugfs_xmit)
765 sc->debug.debugfs_recv = debugfs_create_file("recv",
767 sc->debug.debugfs_phy,
769 if (!sc->debug.debugfs_recv)
774 ath9k_exit_debug(ah);
778 void ath9k_exit_debug(struct ath_hw *ah)
780 struct ath_common *common = ath9k_hw_common(ah);
781 struct ath_softc *sc = (struct ath_softc *) common->priv;
783 debugfs_remove(sc->debug.debugfs_recv);
784 debugfs_remove(sc->debug.debugfs_xmit);
785 debugfs_remove(sc->debug.debugfs_wiphy);
786 debugfs_remove(sc->debug.debugfs_rcstat);
787 debugfs_remove(sc->debug.debugfs_interrupt);
788 debugfs_remove(sc->debug.debugfs_dma);
789 debugfs_remove(sc->debug.debugfs_debug);
790 debugfs_remove(sc->debug.debugfs_phy);
793 int ath9k_debug_create_root(void)
795 ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
796 if (!ath9k_debugfs_root)
802 void ath9k_debug_remove_root(void)
804 debugfs_remove(ath9k_debugfs_root);
805 ath9k_debugfs_root = NULL;