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1/*2 * Copyright (c) 2004-2011 Atheros Communications Inc.3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.4 *5 * Permission to use, copy, modify, and/or distribute this software for any6 * purpose with or without fee is hereby granted, provided that the above7 * copyright notice and this permission notice appear in all copies.8 *9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.16 */17 18#include "core.h"19 20#include <linux/skbuff.h>21#include <linux/fs.h>22#include <linux/vmalloc.h>23#include <linux/export.h>24 25#include "debug.h"26#include "target.h"27 28struct ath6kl_fwlog_slot {29 __le32 timestamp;30 __le32 length;31 32 /* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */33 u8 payload[];34};35 36#define ATH6KL_FWLOG_MAX_ENTRIES 2037 38#define ATH6KL_FWLOG_VALID_MASK 0x1ffff39 40void ath6kl_printk(const char *level, const char *fmt, ...)41{42 struct va_format vaf;43 va_list args;44 45 va_start(args, fmt);46 47 vaf.fmt = fmt;48 vaf.va = &args;49 50 printk("%sath6kl: %pV", level, &vaf);51 52 va_end(args);53}54EXPORT_SYMBOL(ath6kl_printk);55 56void ath6kl_info(const char *fmt, ...)57{58 struct va_format vaf = {59 .fmt = fmt,60 };61 va_list args;62 63 va_start(args, fmt);64 vaf.va = &args;65 ath6kl_printk(KERN_INFO, "%pV", &vaf);66 trace_ath6kl_log_info(&vaf);67 va_end(args);68}69EXPORT_SYMBOL(ath6kl_info);70 71void ath6kl_err(const char *fmt, ...)72{73 struct va_format vaf = {74 .fmt = fmt,75 };76 va_list args;77 78 va_start(args, fmt);79 vaf.va = &args;80 ath6kl_printk(KERN_ERR, "%pV", &vaf);81 trace_ath6kl_log_err(&vaf);82 va_end(args);83}84EXPORT_SYMBOL(ath6kl_err);85 86void ath6kl_warn(const char *fmt, ...)87{88 struct va_format vaf = {89 .fmt = fmt,90 };91 va_list args;92 93 va_start(args, fmt);94 vaf.va = &args;95 ath6kl_printk(KERN_WARNING, "%pV", &vaf);96 trace_ath6kl_log_warn(&vaf);97 va_end(args);98}99EXPORT_SYMBOL(ath6kl_warn);100 101int ath6kl_read_tgt_stats(struct ath6kl *ar, struct ath6kl_vif *vif)102{103 long left;104 105 if (down_interruptible(&ar->sem))106 return -EBUSY;107 108 set_bit(STATS_UPDATE_PEND, &vif->flags);109 110 if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) {111 up(&ar->sem);112 return -EIO;113 }114 115 left = wait_event_interruptible_timeout(ar->event_wq,116 !test_bit(STATS_UPDATE_PEND,117 &vif->flags), WMI_TIMEOUT);118 119 up(&ar->sem);120 121 if (left <= 0)122 return -ETIMEDOUT;123 124 return 0;125}126EXPORT_SYMBOL(ath6kl_read_tgt_stats);127 128#ifdef CONFIG_ATH6KL_DEBUG129 130void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)131{132 struct va_format vaf;133 va_list args;134 135 va_start(args, fmt);136 137 vaf.fmt = fmt;138 vaf.va = &args;139 140 if (debug_mask & mask)141 ath6kl_printk(KERN_DEBUG, "%pV", &vaf);142 143 trace_ath6kl_log_dbg(mask, &vaf);144 145 va_end(args);146}147EXPORT_SYMBOL(ath6kl_dbg);148 149void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,150 const char *msg, const char *prefix,151 const void *buf, size_t len)152{153 if (debug_mask & mask) {154 if (msg)155 ath6kl_dbg(mask, "%s\n", msg);156 157 print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);158 }159 160 /* tracing code doesn't like null strings :/ */161 trace_ath6kl_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",162 buf, len);163}164EXPORT_SYMBOL(ath6kl_dbg_dump);165 166#define REG_OUTPUT_LEN_PER_LINE 25167#define REGTYPE_STR_LEN 100168 169struct ath6kl_diag_reg_info {170 u32 reg_start;171 u32 reg_end;172 const char *reg_info;173};174 175static const struct ath6kl_diag_reg_info diag_reg[] = {176 { 0x20000, 0x200fc, "General DMA and Rx registers" },177 { 0x28000, 0x28900, "MAC PCU register & keycache" },178 { 0x20800, 0x20a40, "QCU" },179 { 0x21000, 0x212f0, "DCU" },180 { 0x4000, 0x42e4, "RTC" },181 { 0x540000, 0x540000 + (256 * 1024), "RAM" },182 { 0x29800, 0x2B210, "Base Band" },183 { 0x1C000, 0x1C748, "Analog" },184};185 186void ath6kl_dump_registers(struct ath6kl_device *dev,187 struct ath6kl_irq_proc_registers *irq_proc_reg,188 struct ath6kl_irq_enable_reg *irq_enable_reg)189{190 ath6kl_dbg(ATH6KL_DBG_IRQ, ("<------- Register Table -------->\n"));191 192 if (irq_proc_reg != NULL) {193 ath6kl_dbg(ATH6KL_DBG_IRQ,194 "Host Int status: 0x%x\n",195 irq_proc_reg->host_int_status);196 ath6kl_dbg(ATH6KL_DBG_IRQ,197 "CPU Int status: 0x%x\n",198 irq_proc_reg->cpu_int_status);199 ath6kl_dbg(ATH6KL_DBG_IRQ,200 "Error Int status: 0x%x\n",201 irq_proc_reg->error_int_status);202 ath6kl_dbg(ATH6KL_DBG_IRQ,203 "Counter Int status: 0x%x\n",204 irq_proc_reg->counter_int_status);205 ath6kl_dbg(ATH6KL_DBG_IRQ,206 "Mbox Frame: 0x%x\n",207 irq_proc_reg->mbox_frame);208 ath6kl_dbg(ATH6KL_DBG_IRQ,209 "Rx Lookahead Valid: 0x%x\n",210 irq_proc_reg->rx_lkahd_valid);211 ath6kl_dbg(ATH6KL_DBG_IRQ,212 "Rx Lookahead 0: 0x%x\n",213 irq_proc_reg->rx_lkahd[0]);214 ath6kl_dbg(ATH6KL_DBG_IRQ,215 "Rx Lookahead 1: 0x%x\n",216 irq_proc_reg->rx_lkahd[1]);217 218 if (dev->ar->mbox_info.gmbox_addr != 0) {219 /*220 * If the target supports GMBOX hardware, dump some221 * additional state.222 */223 ath6kl_dbg(ATH6KL_DBG_IRQ,224 "GMBOX Host Int status 2: 0x%x\n",225 irq_proc_reg->host_int_status2);226 ath6kl_dbg(ATH6KL_DBG_IRQ,227 "GMBOX RX Avail: 0x%x\n",228 irq_proc_reg->gmbox_rx_avail);229 ath6kl_dbg(ATH6KL_DBG_IRQ,230 "GMBOX lookahead alias 0: 0x%x\n",231 irq_proc_reg->rx_gmbox_lkahd_alias[0]);232 ath6kl_dbg(ATH6KL_DBG_IRQ,233 "GMBOX lookahead alias 1: 0x%x\n",234 irq_proc_reg->rx_gmbox_lkahd_alias[1]);235 }236 }237 238 if (irq_enable_reg != NULL) {239 ath6kl_dbg(ATH6KL_DBG_IRQ,240 "Int status Enable: 0x%x\n",241 irq_enable_reg->int_status_en);242 ath6kl_dbg(ATH6KL_DBG_IRQ, "Counter Int status Enable: 0x%x\n",243 irq_enable_reg->cntr_int_status_en);244 }245 ath6kl_dbg(ATH6KL_DBG_IRQ, "<------------------------------->\n");246}247 248static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)249{250 ath6kl_dbg(ATH6KL_DBG_CREDIT,251 "--- endpoint: %d svc_id: 0x%X ---\n",252 ep_dist->endpoint, ep_dist->svc_id);253 ath6kl_dbg(ATH6KL_DBG_CREDIT, " dist_flags : 0x%X\n",254 ep_dist->dist_flags);255 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_norm : %d\n",256 ep_dist->cred_norm);257 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_min : %d\n",258 ep_dist->cred_min);259 ath6kl_dbg(ATH6KL_DBG_CREDIT, " credits : %d\n",260 ep_dist->credits);261 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_assngd : %d\n",262 ep_dist->cred_assngd);263 ath6kl_dbg(ATH6KL_DBG_CREDIT, " seek_cred : %d\n",264 ep_dist->seek_cred);265 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_sz : %d\n",266 ep_dist->cred_sz);267 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_per_msg : %d\n",268 ep_dist->cred_per_msg);269 ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_to_dist : %d\n",270 ep_dist->cred_to_dist);271 ath6kl_dbg(ATH6KL_DBG_CREDIT, " txq_depth : %d\n",272 get_queue_depth(&ep_dist->htc_ep->txq));273 ath6kl_dbg(ATH6KL_DBG_CREDIT,274 "----------------------------------\n");275}276 277/* FIXME: move to htc.c */278void dump_cred_dist_stats(struct htc_target *target)279{280 struct htc_endpoint_credit_dist *ep_list;281 282 list_for_each_entry(ep_list, &target->cred_dist_list, list)283 dump_cred_dist(ep_list);284 285 ath6kl_dbg(ATH6KL_DBG_CREDIT,286 "credit distribution total %d free %d\n",287 target->credit_info->total_avail_credits,288 target->credit_info->cur_free_credits);289}290 291void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war)292{293 switch (war) {294 case ATH6KL_WAR_INVALID_RATE:295 ar->debug.war_stats.invalid_rate++;296 break;297 }298}299 300static ssize_t read_file_war_stats(struct file *file, char __user *user_buf,301 size_t count, loff_t *ppos)302{303 struct ath6kl *ar = file->private_data;304 char *buf;305 unsigned int len = 0, buf_len = 1500;306 ssize_t ret_cnt;307 308 buf = kzalloc(buf_len, GFP_KERNEL);309 if (!buf)310 return -ENOMEM;311 312 len += scnprintf(buf + len, buf_len - len, "\n");313 len += scnprintf(buf + len, buf_len - len, "%25s\n",314 "Workaround stats");315 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",316 "=================");317 len += scnprintf(buf + len, buf_len - len, "%20s %10u\n",318 "Invalid rates", ar->debug.war_stats.invalid_rate);319 320 if (WARN_ON(len > buf_len))321 len = buf_len;322 323 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);324 325 kfree(buf);326 return ret_cnt;327}328 329static const struct file_operations fops_war_stats = {330 .read = read_file_war_stats,331 .open = simple_open,332 .owner = THIS_MODULE,333 .llseek = default_llseek,334};335 336void ath6kl_debug_fwlog_event(struct ath6kl *ar, const void *buf, size_t len)337{338 struct ath6kl_fwlog_slot *slot;339 struct sk_buff *skb;340 size_t slot_len;341 342 if (WARN_ON(len > ATH6KL_FWLOG_PAYLOAD_SIZE))343 return;344 345 slot_len = sizeof(*slot) + ATH6KL_FWLOG_PAYLOAD_SIZE;346 347 skb = alloc_skb(slot_len, GFP_KERNEL);348 if (!skb)349 return;350 351 slot = skb_put(skb, slot_len);352 slot->timestamp = cpu_to_le32(jiffies);353 slot->length = cpu_to_le32(len);354 memcpy(slot->payload, buf, len);355 356 /* Need to pad each record to fixed length ATH6KL_FWLOG_PAYLOAD_SIZE */357 memset(slot->payload + len, 0, ATH6KL_FWLOG_PAYLOAD_SIZE - len);358 359 spin_lock(&ar->debug.fwlog_queue.lock);360 361 __skb_queue_tail(&ar->debug.fwlog_queue, skb);362 complete(&ar->debug.fwlog_completion);363 364 /* drop oldest entries */365 while (skb_queue_len(&ar->debug.fwlog_queue) >366 ATH6KL_FWLOG_MAX_ENTRIES) {367 skb = __skb_dequeue(&ar->debug.fwlog_queue);368 kfree_skb(skb);369 }370 371 spin_unlock(&ar->debug.fwlog_queue.lock);372 373 return;374}375 376static int ath6kl_fwlog_open(struct inode *inode, struct file *file)377{378 struct ath6kl *ar = inode->i_private;379 380 if (ar->debug.fwlog_open)381 return -EBUSY;382 383 ar->debug.fwlog_open = true;384 385 file->private_data = inode->i_private;386 return 0;387}388 389static int ath6kl_fwlog_release(struct inode *inode, struct file *file)390{391 struct ath6kl *ar = inode->i_private;392 393 ar->debug.fwlog_open = false;394 395 return 0;396}397 398static ssize_t ath6kl_fwlog_read(struct file *file, char __user *user_buf,399 size_t count, loff_t *ppos)400{401 struct ath6kl *ar = file->private_data;402 struct sk_buff *skb;403 ssize_t ret_cnt;404 size_t len = 0;405 char *buf;406 407 buf = vmalloc(count);408 if (!buf)409 return -ENOMEM;410 411 /* read undelivered logs from firmware */412 ath6kl_read_fwlogs(ar);413 414 spin_lock(&ar->debug.fwlog_queue.lock);415 416 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {417 if (skb->len > count - len) {418 /* not enough space, put skb back and leave */419 __skb_queue_head(&ar->debug.fwlog_queue, skb);420 break;421 }422 423 424 memcpy(buf + len, skb->data, skb->len);425 len += skb->len;426 427 kfree_skb(skb);428 }429 430 spin_unlock(&ar->debug.fwlog_queue.lock);431 432 /* FIXME: what to do if len == 0? */433 434 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);435 436 vfree(buf);437 438 return ret_cnt;439}440 441static const struct file_operations fops_fwlog = {442 .open = ath6kl_fwlog_open,443 .release = ath6kl_fwlog_release,444 .read = ath6kl_fwlog_read,445 .owner = THIS_MODULE,446 .llseek = default_llseek,447};448 449static ssize_t ath6kl_fwlog_block_read(struct file *file,450 char __user *user_buf,451 size_t count,452 loff_t *ppos)453{454 struct ath6kl *ar = file->private_data;455 struct sk_buff *skb;456 ssize_t ret_cnt;457 size_t len = 0, not_copied;458 char *buf;459 int ret;460 461 buf = vmalloc(count);462 if (!buf)463 return -ENOMEM;464 465 spin_lock(&ar->debug.fwlog_queue.lock);466 467 if (skb_queue_len(&ar->debug.fwlog_queue) == 0) {468 /* we must init under queue lock */469 init_completion(&ar->debug.fwlog_completion);470 471 spin_unlock(&ar->debug.fwlog_queue.lock);472 473 ret = wait_for_completion_interruptible(474 &ar->debug.fwlog_completion);475 if (ret == -ERESTARTSYS) {476 vfree(buf);477 return ret;478 }479 480 spin_lock(&ar->debug.fwlog_queue.lock);481 }482 483 while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {484 if (skb->len > count - len) {485 /* not enough space, put skb back and leave */486 __skb_queue_head(&ar->debug.fwlog_queue, skb);487 break;488 }489 490 491 memcpy(buf + len, skb->data, skb->len);492 len += skb->len;493 494 kfree_skb(skb);495 }496 497 spin_unlock(&ar->debug.fwlog_queue.lock);498 499 /* FIXME: what to do if len == 0? */500 501 not_copied = copy_to_user(user_buf, buf, len);502 if (not_copied != 0) {503 ret_cnt = -EFAULT;504 goto out;505 }506 507 *ppos = *ppos + len;508 509 ret_cnt = len;510 511out:512 vfree(buf);513 514 return ret_cnt;515}516 517static const struct file_operations fops_fwlog_block = {518 .open = ath6kl_fwlog_open,519 .release = ath6kl_fwlog_release,520 .read = ath6kl_fwlog_block_read,521 .owner = THIS_MODULE,522 .llseek = default_llseek,523};524 525static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,526 size_t count, loff_t *ppos)527{528 struct ath6kl *ar = file->private_data;529 char buf[16];530 int len;531 532 len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);533 534 return simple_read_from_buffer(user_buf, count, ppos, buf, len);535}536 537static ssize_t ath6kl_fwlog_mask_write(struct file *file,538 const char __user *user_buf,539 size_t count, loff_t *ppos)540{541 struct ath6kl *ar = file->private_data;542 int ret;543 544 ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);545 if (ret)546 return ret;547 548 ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,549 ATH6KL_FWLOG_VALID_MASK,550 ar->debug.fwlog_mask);551 if (ret)552 return ret;553 554 return count;555}556 557static const struct file_operations fops_fwlog_mask = {558 .open = simple_open,559 .read = ath6kl_fwlog_mask_read,560 .write = ath6kl_fwlog_mask_write,561 .owner = THIS_MODULE,562 .llseek = default_llseek,563};564 565static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,566 size_t count, loff_t *ppos)567{568 struct ath6kl *ar = file->private_data;569 struct ath6kl_vif *vif;570 struct target_stats *tgt_stats;571 char *buf;572 unsigned int len = 0, buf_len = 1500;573 int i;574 ssize_t ret_cnt;575 int rv;576 577 vif = ath6kl_vif_first(ar);578 if (!vif)579 return -EIO;580 581 buf = kzalloc(buf_len, GFP_KERNEL);582 if (!buf)583 return -ENOMEM;584 585 rv = ath6kl_read_tgt_stats(ar, vif);586 if (rv < 0) {587 kfree(buf);588 return rv;589 }590 591 tgt_stats = &vif->target_stats;592 593 len += scnprintf(buf + len, buf_len - len, "\n");594 len += scnprintf(buf + len, buf_len - len, "%25s\n",595 "Target Tx stats");596 len += scnprintf(buf + len, buf_len - len, "%25s\n\n",597 "=================");598 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",599 "Ucast packets", tgt_stats->tx_ucast_pkt);600 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",601 "Bcast packets", tgt_stats->tx_bcast_pkt);602 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",603 "Ucast byte", tgt_stats->tx_ucast_byte);604 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",605 "Bcast byte", tgt_stats->tx_bcast_byte);606 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",607 "Rts success cnt", tgt_stats->tx_rts_success_cnt);608 for (i = 0; i < 4; i++)609 len += scnprintf(buf + len, buf_len - len,610 "%18s %d %10llu\n", "PER on ac",611 i, tgt_stats->tx_pkt_per_ac[i]);612 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",613 "Error", tgt_stats->tx_err);614 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",615 "Fail count", tgt_stats->tx_fail_cnt);616 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",617 "Retry count", tgt_stats->tx_retry_cnt);618 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",619 "Multi retry cnt", tgt_stats->tx_mult_retry_cnt);620 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",621 "Rts fail cnt", tgt_stats->tx_rts_fail_cnt);622 len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",623 "TKIP counter measure used",624 tgt_stats->tkip_cnter_measures_invoked);625 626 len += scnprintf(buf + len, buf_len - len, "%25s\n",627 "Target Rx stats");628 len += scnprintf(buf + len, buf_len - len, "%25s\n",629 "=================");630 631 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",632 "Ucast packets", tgt_stats->rx_ucast_pkt);633 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",634 "Ucast Rate", tgt_stats->rx_ucast_rate);635 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",636 "Bcast packets", tgt_stats->rx_bcast_pkt);637 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",638 "Ucast byte", tgt_stats->rx_ucast_byte);639 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",640 "Bcast byte", tgt_stats->rx_bcast_byte);641 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",642 "Fragmented pkt", tgt_stats->rx_frgment_pkt);643 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",644 "Error", tgt_stats->rx_err);645 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",646 "CRC Err", tgt_stats->rx_crc_err);647 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",648 "Key cache miss", tgt_stats->rx_key_cache_miss);649 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",650 "Decrypt Err", tgt_stats->rx_decrypt_err);651 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",652 "Duplicate frame", tgt_stats->rx_dupl_frame);653 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",654 "Tkip Mic failure", tgt_stats->tkip_local_mic_fail);655 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",656 "TKIP format err", tgt_stats->tkip_fmt_err);657 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",658 "CCMP format Err", tgt_stats->ccmp_fmt_err);659 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",660 "CCMP Replay Err", tgt_stats->ccmp_replays);661 662 len += scnprintf(buf + len, buf_len - len, "%25s\n",663 "Misc Target stats");664 len += scnprintf(buf + len, buf_len - len, "%25s\n",665 "=================");666 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",667 "Beacon Miss count", tgt_stats->cs_bmiss_cnt);668 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",669 "Num Connects", tgt_stats->cs_connect_cnt);670 len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",671 "Num disconnects", tgt_stats->cs_discon_cnt);672 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",673 "Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);674 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",675 "ARP pkt received", tgt_stats->arp_received);676 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",677 "ARP pkt matched", tgt_stats->arp_matched);678 len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",679 "ARP pkt replied", tgt_stats->arp_replied);680 681 if (len > buf_len)682 len = buf_len;683 684 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);685 686 kfree(buf);687 return ret_cnt;688}689 690static const struct file_operations fops_tgt_stats = {691 .read = read_file_tgt_stats,692 .open = simple_open,693 .owner = THIS_MODULE,694 .llseek = default_llseek,695};696 697#define print_credit_info(fmt_str, ep_list_field) \698 (len += scnprintf(buf + len, buf_len - len, fmt_str, \699 ep_list->ep_list_field))700#define CREDIT_INFO_DISPLAY_STRING_LEN 200701#define CREDIT_INFO_LEN 128702 703static ssize_t read_file_credit_dist_stats(struct file *file,704 char __user *user_buf,705 size_t count, loff_t *ppos)706{707 struct ath6kl *ar = file->private_data;708 struct htc_target *target = ar->htc_target;709 struct htc_endpoint_credit_dist *ep_list;710 char *buf;711 unsigned int buf_len, len = 0;712 ssize_t ret_cnt;713 714 buf_len = CREDIT_INFO_DISPLAY_STRING_LEN +715 get_queue_depth(&target->cred_dist_list) * CREDIT_INFO_LEN;716 buf = kzalloc(buf_len, GFP_KERNEL);717 if (!buf)718 return -ENOMEM;719 720 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",721 "Total Avail Credits: ",722 target->credit_info->total_avail_credits);723 len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",724 "Free credits :",725 target->credit_info->cur_free_credits);726 727 len += scnprintf(buf + len, buf_len - len,728 " Epid Flags Cred_norm Cred_min Credits Cred_assngd"729 " Seek_cred Cred_sz Cred_per_msg Cred_to_dist"730 " qdepth\n");731 732 list_for_each_entry(ep_list, &target->cred_dist_list, list) {733 print_credit_info(" %2d", endpoint);734 print_credit_info("%10x", dist_flags);735 print_credit_info("%8d", cred_norm);736 print_credit_info("%9d", cred_min);737 print_credit_info("%9d", credits);738 print_credit_info("%10d", cred_assngd);739 print_credit_info("%13d", seek_cred);740 print_credit_info("%12d", cred_sz);741 print_credit_info("%9d", cred_per_msg);742 print_credit_info("%14d", cred_to_dist);743 len += scnprintf(buf + len, buf_len - len, "%12d\n",744 get_queue_depth(&ep_list->htc_ep->txq));745 }746 747 if (len > buf_len)748 len = buf_len;749 750 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);751 kfree(buf);752 return ret_cnt;753}754 755static const struct file_operations fops_credit_dist_stats = {756 .read = read_file_credit_dist_stats,757 .open = simple_open,758 .owner = THIS_MODULE,759 .llseek = default_llseek,760};761 762static unsigned int print_endpoint_stat(struct htc_target *target, char *buf,763 unsigned int buf_len, unsigned int len,764 int offset, const char *name)765{766 int i;767 struct htc_endpoint_stats *ep_st;768 u32 *counter;769 770 len += scnprintf(buf + len, buf_len - len, "%s:", name);771 for (i = 0; i < ENDPOINT_MAX; i++) {772 ep_st = &target->endpoint[i].ep_st;773 counter = ((u32 *) ep_st) + (offset / 4);774 len += scnprintf(buf + len, buf_len - len, " %u", *counter);775 }776 len += scnprintf(buf + len, buf_len - len, "\n");777 778 return len;779}780 781static ssize_t ath6kl_endpoint_stats_read(struct file *file,782 char __user *user_buf,783 size_t count, loff_t *ppos)784{785 struct ath6kl *ar = file->private_data;786 struct htc_target *target = ar->htc_target;787 char *buf;788 unsigned int buf_len, len = 0;789 ssize_t ret_cnt;790 791 buf_len = sizeof(struct htc_endpoint_stats) / sizeof(u32) *792 (25 + ENDPOINT_MAX * 11);793 buf = kmalloc(buf_len, GFP_KERNEL);794 if (!buf)795 return -ENOMEM;796 797#define EPSTAT(name) \798 do { \799 len = print_endpoint_stat(target, buf, buf_len, len, \800 offsetof(struct htc_endpoint_stats, \801 name), \802 #name); \803 } while (0)804 805 EPSTAT(cred_low_indicate);806 EPSTAT(tx_issued);807 EPSTAT(tx_pkt_bundled);808 EPSTAT(tx_bundles);809 EPSTAT(tx_dropped);810 EPSTAT(tx_cred_rpt);811 EPSTAT(cred_rpt_from_rx);812 EPSTAT(cred_rpt_from_other);813 EPSTAT(cred_rpt_ep0);814 EPSTAT(cred_from_rx);815 EPSTAT(cred_from_other);816 EPSTAT(cred_from_ep0);817 EPSTAT(cred_cosumd);818 EPSTAT(cred_retnd);819 EPSTAT(rx_pkts);820 EPSTAT(rx_lkahds);821 EPSTAT(rx_bundl);822 EPSTAT(rx_bundle_lkahd);823 EPSTAT(rx_bundle_from_hdr);824 EPSTAT(rx_alloc_thresh_hit);825 EPSTAT(rxalloc_thresh_byte);826#undef EPSTAT827 828 if (len > buf_len)829 len = buf_len;830 831 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);832 kfree(buf);833 return ret_cnt;834}835 836static ssize_t ath6kl_endpoint_stats_write(struct file *file,837 const char __user *user_buf,838 size_t count, loff_t *ppos)839{840 struct ath6kl *ar = file->private_data;841 struct htc_target *target = ar->htc_target;842 int ret, i;843 u32 val;844 struct htc_endpoint_stats *ep_st;845 846 ret = kstrtou32_from_user(user_buf, count, 0, &val);847 if (ret)848 return ret;849 if (val == 0) {850 for (i = 0; i < ENDPOINT_MAX; i++) {851 ep_st = &target->endpoint[i].ep_st;852 memset(ep_st, 0, sizeof(*ep_st));853 }854 }855 856 return count;857}858 859static const struct file_operations fops_endpoint_stats = {860 .open = simple_open,861 .read = ath6kl_endpoint_stats_read,862 .write = ath6kl_endpoint_stats_write,863 .owner = THIS_MODULE,864 .llseek = default_llseek,865};866 867static unsigned long ath6kl_get_num_reg(void)868{869 int i;870 unsigned long n_reg = 0;871 872 for (i = 0; i < ARRAY_SIZE(diag_reg); i++)873 n_reg = n_reg +874 (diag_reg[i].reg_end - diag_reg[i].reg_start) / 4 + 1;875 876 return n_reg;877}878 879static bool ath6kl_dbg_is_diag_reg_valid(u32 reg_addr)880{881 int i;882 883 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {884 if (reg_addr >= diag_reg[i].reg_start &&885 reg_addr <= diag_reg[i].reg_end)886 return true;887 }888 889 return false;890}891 892static ssize_t ath6kl_regread_read(struct file *file, char __user *user_buf,893 size_t count, loff_t *ppos)894{895 struct ath6kl *ar = file->private_data;896 u8 buf[50];897 unsigned int len = 0;898 899 if (ar->debug.dbgfs_diag_reg)900 len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n",901 ar->debug.dbgfs_diag_reg);902 else903 len += scnprintf(buf + len, sizeof(buf) - len,904 "All diag registers\n");905 906 return simple_read_from_buffer(user_buf, count, ppos, buf, len);907}908 909static ssize_t ath6kl_regread_write(struct file *file,910 const char __user *user_buf,911 size_t count, loff_t *ppos)912{913 struct ath6kl *ar = file->private_data;914 unsigned long reg_addr;915 916 if (kstrtoul_from_user(user_buf, count, 0, ®_addr))917 return -EINVAL;918 919 if ((reg_addr % 4) != 0)920 return -EINVAL;921 922 if (reg_addr && !ath6kl_dbg_is_diag_reg_valid(reg_addr))923 return -EINVAL;924 925 ar->debug.dbgfs_diag_reg = reg_addr;926 927 return count;928}929 930static const struct file_operations fops_diag_reg_read = {931 .read = ath6kl_regread_read,932 .write = ath6kl_regread_write,933 .open = simple_open,934 .owner = THIS_MODULE,935 .llseek = default_llseek,936};937 938static int ath6kl_regdump_open(struct inode *inode, struct file *file)939{940 struct ath6kl *ar = inode->i_private;941 u8 *buf;942 unsigned long int reg_len;943 unsigned int len = 0, n_reg;944 u32 addr;945 __le32 reg_val;946 int i, status;947 948 /* Dump all the registers if no register is specified */949 if (!ar->debug.dbgfs_diag_reg)950 n_reg = ath6kl_get_num_reg();951 else952 n_reg = 1;953 954 reg_len = n_reg * REG_OUTPUT_LEN_PER_LINE;955 if (n_reg > 1)956 reg_len += REGTYPE_STR_LEN;957 958 buf = vmalloc(reg_len);959 if (!buf)960 return -ENOMEM;961 962 if (n_reg == 1) {963 addr = ar->debug.dbgfs_diag_reg;964 965 status = ath6kl_diag_read32(ar,966 TARG_VTOP(ar->target_type, addr),967 (u32 *)®_val);968 if (status)969 goto fail_reg_read;970 971 len += scnprintf(buf + len, reg_len - len,972 "0x%06x 0x%08x\n", addr, le32_to_cpu(reg_val));973 goto done;974 }975 976 for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {977 len += scnprintf(buf + len, reg_len - len,978 "%s\n", diag_reg[i].reg_info);979 for (addr = diag_reg[i].reg_start;980 addr <= diag_reg[i].reg_end; addr += 4) {981 status = ath6kl_diag_read32(ar,982 TARG_VTOP(ar->target_type, addr),983 (u32 *)®_val);984 if (status)985 goto fail_reg_read;986 987 len += scnprintf(buf + len, reg_len - len,988 "0x%06x 0x%08x\n",989 addr, le32_to_cpu(reg_val));990 }991 }992 993done:994 file->private_data = buf;995 return 0;996 997fail_reg_read:998 ath6kl_warn("Unable to read memory:%u\n", addr);999 vfree(buf);1000 return -EIO;1001}1002 1003static ssize_t ath6kl_regdump_read(struct file *file, char __user *user_buf,1004 size_t count, loff_t *ppos)1005{1006 u8 *buf = file->private_data;1007 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));1008}1009 1010static int ath6kl_regdump_release(struct inode *inode, struct file *file)1011{1012 vfree(file->private_data);1013 return 0;1014}1015 1016static const struct file_operations fops_reg_dump = {1017 .open = ath6kl_regdump_open,1018 .read = ath6kl_regdump_read,1019 .release = ath6kl_regdump_release,1020 .owner = THIS_MODULE,1021 .llseek = default_llseek,1022};1023 1024static ssize_t ath6kl_lrssi_roam_write(struct file *file,1025 const char __user *user_buf,1026 size_t count, loff_t *ppos)1027{1028 struct ath6kl *ar = file->private_data;1029 unsigned long lrssi_roam_threshold;1030 int ret;1031 1032 if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold))1033 return -EINVAL;1034 1035 ar->lrssi_roam_threshold = lrssi_roam_threshold;1036 1037 ret = ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);1038 1039 if (ret)1040 return ret;1041 return count;1042}1043 1044static ssize_t ath6kl_lrssi_roam_read(struct file *file,1045 char __user *user_buf,1046 size_t count, loff_t *ppos)1047{1048 struct ath6kl *ar = file->private_data;1049 char buf[32];1050 unsigned int len;1051 1052 len = snprintf(buf, sizeof(buf), "%u\n", ar->lrssi_roam_threshold);1053 1054 return simple_read_from_buffer(user_buf, count, ppos, buf, len);1055}1056 1057static const struct file_operations fops_lrssi_roam_threshold = {1058 .read = ath6kl_lrssi_roam_read,1059 .write = ath6kl_lrssi_roam_write,1060 .open = simple_open,1061 .owner = THIS_MODULE,1062 .llseek = default_llseek,1063};1064 1065static ssize_t ath6kl_regwrite_read(struct file *file,1066 char __user *user_buf,1067 size_t count, loff_t *ppos)1068{1069 struct ath6kl *ar = file->private_data;1070 u8 buf[32];1071 unsigned int len = 0;1072 1073 len = scnprintf(buf, sizeof(buf), "Addr: 0x%x Val: 0x%x\n",1074 ar->debug.diag_reg_addr_wr, ar->debug.diag_reg_val_wr);1075 1076 return simple_read_from_buffer(user_buf, count, ppos, buf, len);1077}1078 1079static ssize_t ath6kl_regwrite_write(struct file *file,1080 const char __user *user_buf,1081 size_t count, loff_t *ppos)1082{1083 struct ath6kl *ar = file->private_data;1084 char buf[32];1085 char *sptr, *token;1086 unsigned int len = 0;1087 u32 reg_addr, reg_val;1088 1089 len = min(count, sizeof(buf) - 1);1090 if (copy_from_user(buf, user_buf, len))1091 return -EFAULT;1092 1093 buf[len] = '\0';1094 sptr = buf;1095 1096 token = strsep(&sptr, "=");1097 if (!token)1098 return -EINVAL;1099 1100 if (kstrtou32(token, 0, ®_addr))1101 return -EINVAL;1102 1103 if (!ath6kl_dbg_is_diag_reg_valid(reg_addr))1104 return -EINVAL;1105 1106 if (kstrtou32(sptr, 0, ®_val))1107 return -EINVAL;1108 1109 ar->debug.diag_reg_addr_wr = reg_addr;1110 ar->debug.diag_reg_val_wr = reg_val;1111 1112 if (ath6kl_diag_write32(ar, ar->debug.diag_reg_addr_wr,1113 cpu_to_le32(ar->debug.diag_reg_val_wr)))1114 return -EIO;1115 1116 return count;1117}1118 1119static const struct file_operations fops_diag_reg_write = {1120 .read = ath6kl_regwrite_read,1121 .write = ath6kl_regwrite_write,1122 .open = simple_open,1123 .owner = THIS_MODULE,1124 .llseek = default_llseek,1125};1126 1127int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,1128 size_t len)1129{1130 const struct wmi_target_roam_tbl *tbl;1131 u16 num_entries;1132 1133 if (len < sizeof(*tbl))1134 return -EINVAL;1135 1136 tbl = (const struct wmi_target_roam_tbl *) buf;1137 num_entries = le16_to_cpu(tbl->num_entries);1138 if (struct_size(tbl, info, num_entries) > len)1139 return -EINVAL;1140 1141 if (ar->debug.roam_tbl == NULL ||1142 ar->debug.roam_tbl_len < (unsigned int) len) {1143 kfree(ar->debug.roam_tbl);1144 ar->debug.roam_tbl = kmalloc(len, GFP_ATOMIC);1145 if (ar->debug.roam_tbl == NULL)1146 return -ENOMEM;1147 }1148 1149 memcpy(ar->debug.roam_tbl, buf, len);1150 ar->debug.roam_tbl_len = len;1151 1152 if (test_bit(ROAM_TBL_PEND, &ar->flag)) {1153 clear_bit(ROAM_TBL_PEND, &ar->flag);1154 wake_up(&ar->event_wq);1155 }1156 1157 return 0;1158}1159 1160static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,1161 size_t count, loff_t *ppos)1162{1163 struct ath6kl *ar = file->private_data;1164 int ret;1165 long left;1166 struct wmi_target_roam_tbl *tbl;1167 u16 num_entries, i;1168 char *buf;1169 unsigned int len, buf_len;1170 ssize_t ret_cnt;1171 1172 if (down_interruptible(&ar->sem))1173 return -EBUSY;1174 1175 set_bit(ROAM_TBL_PEND, &ar->flag);1176 1177 ret = ath6kl_wmi_get_roam_tbl_cmd(ar->wmi);1178 if (ret) {1179 up(&ar->sem);1180 return ret;1181 }1182 1183 left = wait_event_interruptible_timeout(1184 ar->event_wq, !test_bit(ROAM_TBL_PEND, &ar->flag), WMI_TIMEOUT);1185 up(&ar->sem);1186 1187 if (left <= 0)1188 return -ETIMEDOUT;1189 1190 if (ar->debug.roam_tbl == NULL)1191 return -ENOMEM;1192 1193 tbl = (struct wmi_target_roam_tbl *) ar->debug.roam_tbl;1194 num_entries = le16_to_cpu(tbl->num_entries);1195 1196 buf_len = 100 + num_entries * 100;1197 buf = kzalloc(buf_len, GFP_KERNEL);1198 if (buf == NULL)1199 return -ENOMEM;1200 len = 0;1201 len += scnprintf(buf + len, buf_len - len,1202 "roam_mode=%u\n\n"1203 "# roam_util bssid rssi rssidt last_rssi util bias\n",1204 le16_to_cpu(tbl->roam_mode));1205 1206 for (i = 0; i < num_entries; i++) {1207 struct wmi_bss_roam_info *info = &tbl->info[i];1208 len += scnprintf(buf + len, buf_len - len,1209 "%d %pM %d %d %d %d %d\n",1210 a_sle32_to_cpu(info->roam_util), info->bssid,1211 info->rssi, info->rssidt, info->last_rssi,1212 info->util, info->bias);1213 }1214 1215 if (len > buf_len)1216 len = buf_len;1217 1218 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);1219 1220 kfree(buf);1221 return ret_cnt;1222}1223 1224static const struct file_operations fops_roam_table = {1225 .read = ath6kl_roam_table_read,1226 .open = simple_open,1227 .owner = THIS_MODULE,1228 .llseek = default_llseek,1229};1230 1231static ssize_t ath6kl_force_roam_write(struct file *file,1232 const char __user *user_buf,1233 size_t count, loff_t *ppos)1234{1235 struct ath6kl *ar = file->private_data;1236 int ret;1237 char buf[20];1238 size_t len;1239 u8 bssid[ETH_ALEN];1240 1241 len = min(count, sizeof(buf) - 1);1242 if (copy_from_user(buf, user_buf, len))1243 return -EFAULT;1244 buf[len] = '\0';1245 1246 if (!mac_pton(buf, bssid))1247 return -EINVAL;1248 1249 ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);1250 if (ret)1251 return ret;1252 1253 return count;1254}1255 1256static const struct file_operations fops_force_roam = {1257 .write = ath6kl_force_roam_write,1258 .open = simple_open,1259 .owner = THIS_MODULE,1260 .llseek = default_llseek,1261};1262 1263static ssize_t ath6kl_roam_mode_write(struct file *file,1264 const char __user *user_buf,1265 size_t count, loff_t *ppos)1266{1267 struct ath6kl *ar = file->private_data;1268 int ret;1269 char buf[20];1270 size_t len;1271 enum wmi_roam_mode mode;1272 1273 len = min(count, sizeof(buf) - 1);1274 if (copy_from_user(buf, user_buf, len))1275 return -EFAULT;1276 buf[len] = '\0';1277 if (len > 0 && buf[len - 1] == '\n')1278 buf[len - 1] = '\0';1279 1280 if (strcasecmp(buf, "default") == 0)1281 mode = WMI_DEFAULT_ROAM_MODE;1282 else if (strcasecmp(buf, "bssbias") == 0)1283 mode = WMI_HOST_BIAS_ROAM_MODE;1284 else if (strcasecmp(buf, "lock") == 0)1285 mode = WMI_LOCK_BSS_MODE;1286 else1287 return -EINVAL;1288 1289 ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);1290 if (ret)1291 return ret;1292 1293 return count;1294}1295 1296static const struct file_operations fops_roam_mode = {1297 .write = ath6kl_roam_mode_write,1298 .open = simple_open,1299 .owner = THIS_MODULE,1300 .llseek = default_llseek,1301};1302 1303void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)1304{1305 ar->debug.keepalive = keepalive;1306}1307 1308static ssize_t ath6kl_keepalive_read(struct file *file, char __user *user_buf,1309 size_t count, loff_t *ppos)1310{1311 struct ath6kl *ar = file->private_data;1312 char buf[16];1313 int len;1314 1315 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.keepalive);1316 1317 return simple_read_from_buffer(user_buf, count, ppos, buf, len);1318}1319 1320static ssize_t ath6kl_keepalive_write(struct file *file,1321 const char __user *user_buf,1322 size_t count, loff_t *ppos)1323{1324 struct ath6kl *ar = file->private_data;1325 int ret;1326 u8 val;1327 1328 ret = kstrtou8_from_user(user_buf, count, 0, &val);1329 if (ret)1330 return ret;1331 1332 ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, 0, val);1333 if (ret)1334 return ret;1335 1336 return count;1337}1338 1339static const struct file_operations fops_keepalive = {1340 .open = simple_open,1341 .read = ath6kl_keepalive_read,1342 .write = ath6kl_keepalive_write,1343 .owner = THIS_MODULE,1344 .llseek = default_llseek,1345};1346 1347void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)1348{1349 ar->debug.disc_timeout = timeout;1350}1351 1352static ssize_t ath6kl_disconnect_timeout_read(struct file *file,1353 char __user *user_buf,1354 size_t count, loff_t *ppos)1355{1356 struct ath6kl *ar = file->private_data;1357 char buf[16];1358 int len;1359 1360 len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.disc_timeout);1361 1362 return simple_read_from_buffer(user_buf, count, ppos, buf, len);1363}1364 1365static ssize_t ath6kl_disconnect_timeout_write(struct file *file,1366 const char __user *user_buf,1367 size_t count, loff_t *ppos)1368{1369 struct ath6kl *ar = file->private_data;1370 int ret;1371 u8 val;1372 1373 ret = kstrtou8_from_user(user_buf, count, 0, &val);1374 if (ret)1375 return ret;1376 1377 ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, 0, val);1378 if (ret)1379 return ret;1380 1381 return count;1382}1383 1384static const struct file_operations fops_disconnect_timeout = {1385 .open = simple_open,1386 .read = ath6kl_disconnect_timeout_read,1387 .write = ath6kl_disconnect_timeout_write,1388 .owner = THIS_MODULE,1389 .llseek = default_llseek,1390};1391 1392static ssize_t ath6kl_create_qos_write(struct file *file,1393 const char __user *user_buf,1394 size_t count, loff_t *ppos)1395{1396 struct ath6kl *ar = file->private_data;1397 struct ath6kl_vif *vif;1398 char buf[200];1399 ssize_t len;1400 char *sptr, *token;1401 struct wmi_create_pstream_cmd pstream;1402 u32 val32;1403 u16 val16;1404 1405 vif = ath6kl_vif_first(ar);1406 if (!vif)1407 return -EIO;1408 1409 len = min(count, sizeof(buf) - 1);1410 if (copy_from_user(buf, user_buf, len))1411 return -EFAULT;1412 buf[len] = '\0';1413 sptr = buf;1414 1415 token = strsep(&sptr, " ");1416 if (!token)1417 return -EINVAL;1418 if (kstrtou8(token, 0, &pstream.user_pri))1419 return -EINVAL;1420 1421 token = strsep(&sptr, " ");1422 if (!token)1423 return -EINVAL;1424 if (kstrtou8(token, 0, &pstream.traffic_direc))1425 return -EINVAL;1426 1427 token = strsep(&sptr, " ");1428 if (!token)1429 return -EINVAL;1430 if (kstrtou8(token, 0, &pstream.traffic_class))1431 return -EINVAL;1432 1433 token = strsep(&sptr, " ");1434 if (!token)1435 return -EINVAL;1436 if (kstrtou8(token, 0, &pstream.traffic_type))1437 return -EINVAL;1438 1439 token = strsep(&sptr, " ");1440 if (!token)1441 return -EINVAL;1442 if (kstrtou8(token, 0, &pstream.voice_psc_cap))1443 return -EINVAL;1444 1445 token = strsep(&sptr, " ");1446 if (!token)1447 return -EINVAL;1448 if (kstrtou32(token, 0, &val32))1449 return -EINVAL;1450 pstream.min_service_int = cpu_to_le32(val32);1451 1452 token = strsep(&sptr, " ");1453 if (!token)1454 return -EINVAL;1455 if (kstrtou32(token, 0, &val32))1456 return -EINVAL;1457 pstream.max_service_int = cpu_to_le32(val32);1458 1459 token = strsep(&sptr, " ");1460 if (!token)1461 return -EINVAL;1462 if (kstrtou32(token, 0, &val32))1463 return -EINVAL;1464 pstream.inactivity_int = cpu_to_le32(val32);1465 1466 token = strsep(&sptr, " ");1467 if (!token)1468 return -EINVAL;1469 if (kstrtou32(token, 0, &val32))1470 return -EINVAL;1471 pstream.suspension_int = cpu_to_le32(val32);1472 1473 token = strsep(&sptr, " ");1474 if (!token)1475 return -EINVAL;1476 if (kstrtou32(token, 0, &val32))1477 return -EINVAL;1478 pstream.service_start_time = cpu_to_le32(val32);1479 1480 token = strsep(&sptr, " ");1481 if (!token)1482 return -EINVAL;1483 if (kstrtou8(token, 0, &pstream.tsid))1484 return -EINVAL;1485 1486 token = strsep(&sptr, " ");1487 if (!token)1488 return -EINVAL;1489 if (kstrtou16(token, 0, &val16))1490 return -EINVAL;1491 pstream.nominal_msdu = cpu_to_le16(val16);1492 1493 token = strsep(&sptr, " ");1494 if (!token)1495 return -EINVAL;1496 if (kstrtou16(token, 0, &val16))1497 return -EINVAL;1498 pstream.max_msdu = cpu_to_le16(val16);1499 1500 token = strsep(&sptr, " ");1501 if (!token)1502 return -EINVAL;1503 if (kstrtou32(token, 0, &val32))1504 return -EINVAL;1505 pstream.min_data_rate = cpu_to_le32(val32);1506 1507 token = strsep(&sptr, " ");1508 if (!token)1509 return -EINVAL;1510 if (kstrtou32(token, 0, &val32))1511 return -EINVAL;1512 pstream.mean_data_rate = cpu_to_le32(val32);1513 1514 token = strsep(&sptr, " ");1515 if (!token)1516 return -EINVAL;1517 if (kstrtou32(token, 0, &val32))1518 return -EINVAL;1519 pstream.peak_data_rate = cpu_to_le32(val32);1520 1521 token = strsep(&sptr, " ");1522 if (!token)1523 return -EINVAL;1524 if (kstrtou32(token, 0, &val32))1525 return -EINVAL;1526 pstream.max_burst_size = cpu_to_le32(val32);1527 1528 token = strsep(&sptr, " ");1529 if (!token)1530 return -EINVAL;1531 if (kstrtou32(token, 0, &val32))1532 return -EINVAL;1533 pstream.delay_bound = cpu_to_le32(val32);1534 1535 token = strsep(&sptr, " ");1536 if (!token)1537 return -EINVAL;1538 if (kstrtou32(token, 0, &val32))1539 return -EINVAL;1540 pstream.min_phy_rate = cpu_to_le32(val32);1541 1542 token = strsep(&sptr, " ");1543 if (!token)1544 return -EINVAL;1545 if (kstrtou32(token, 0, &val32))1546 return -EINVAL;1547 pstream.sba = cpu_to_le32(val32);1548 1549 token = strsep(&sptr, " ");1550 if (!token)1551 return -EINVAL;1552 if (kstrtou32(token, 0, &val32))1553 return -EINVAL;1554 pstream.medium_time = cpu_to_le32(val32);1555 1556 pstream.nominal_phy = le32_to_cpu(pstream.min_phy_rate) / 1000000;1557 1558 ath6kl_wmi_create_pstream_cmd(ar->wmi, vif->fw_vif_idx, &pstream);1559 1560 return count;1561}1562 1563static const struct file_operations fops_create_qos = {1564 .write = ath6kl_create_qos_write,1565 .open = simple_open,1566 .owner = THIS_MODULE,1567 .llseek = default_llseek,1568};1569 1570static ssize_t ath6kl_delete_qos_write(struct file *file,1571 const char __user *user_buf,1572 size_t count, loff_t *ppos)1573{1574 struct ath6kl *ar = file->private_data;1575 struct ath6kl_vif *vif;1576 char buf[100];1577 ssize_t len;1578 char *sptr, *token;1579 u8 traffic_class;1580 u8 tsid;1581 1582 vif = ath6kl_vif_first(ar);1583 if (!vif)1584 return -EIO;1585 1586 len = min(count, sizeof(buf) - 1);1587 if (copy_from_user(buf, user_buf, len))1588 return -EFAULT;1589 buf[len] = '\0';1590 sptr = buf;1591 1592 token = strsep(&sptr, " ");1593 if (!token)1594 return -EINVAL;1595 if (kstrtou8(token, 0, &traffic_class))1596 return -EINVAL;1597 1598 token = strsep(&sptr, " ");1599 if (!token)1600 return -EINVAL;1601 if (kstrtou8(token, 0, &tsid))1602 return -EINVAL;1603 1604 ath6kl_wmi_delete_pstream_cmd(ar->wmi, vif->fw_vif_idx,1605 traffic_class, tsid);1606 1607 return count;1608}1609 1610static const struct file_operations fops_delete_qos = {1611 .write = ath6kl_delete_qos_write,1612 .open = simple_open,1613 .owner = THIS_MODULE,1614 .llseek = default_llseek,1615};1616 1617static ssize_t ath6kl_bgscan_int_write(struct file *file,1618 const char __user *user_buf,1619 size_t count, loff_t *ppos)1620{1621 struct ath6kl *ar = file->private_data;1622 struct ath6kl_vif *vif;1623 u16 bgscan_int;1624 char buf[32];1625 ssize_t len;1626 1627 vif = ath6kl_vif_first(ar);1628 if (!vif)1629 return -EIO;1630 1631 len = min(count, sizeof(buf) - 1);1632 if (copy_from_user(buf, user_buf, len))1633 return -EFAULT;1634 1635 buf[len] = '\0';1636 if (kstrtou16(buf, 0, &bgscan_int))1637 return -EINVAL;1638 1639 if (bgscan_int == 0)1640 bgscan_int = 0xffff;1641 1642 vif->bg_scan_period = bgscan_int;1643 1644 ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,1645 0, 0, 0);1646 1647 return count;1648}1649 1650static const struct file_operations fops_bgscan_int = {1651 .write = ath6kl_bgscan_int_write,1652 .open = simple_open,1653 .owner = THIS_MODULE,1654 .llseek = default_llseek,1655};1656 1657static ssize_t ath6kl_listen_int_write(struct file *file,1658 const char __user *user_buf,1659 size_t count, loff_t *ppos)1660{1661 struct ath6kl *ar = file->private_data;1662 struct ath6kl_vif *vif;1663 u16 listen_interval;1664 char buf[32];1665 ssize_t len;1666 1667 vif = ath6kl_vif_first(ar);1668 if (!vif)1669 return -EIO;1670 1671 len = min(count, sizeof(buf) - 1);1672 if (copy_from_user(buf, user_buf, len))1673 return -EFAULT;1674 1675 buf[len] = '\0';1676 if (kstrtou16(buf, 0, &listen_interval))1677 return -EINVAL;1678 1679 if ((listen_interval < 15) || (listen_interval > 3000))1680 return -EINVAL;1681 1682 vif->listen_intvl_t = listen_interval;1683 ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,1684 vif->listen_intvl_t, 0);1685 1686 return count;1687}1688 1689static ssize_t ath6kl_listen_int_read(struct file *file,1690 char __user *user_buf,1691 size_t count, loff_t *ppos)1692{1693 struct ath6kl *ar = file->private_data;1694 struct ath6kl_vif *vif;1695 char buf[32];1696 int len;1697 1698 vif = ath6kl_vif_first(ar);1699 if (!vif)1700 return -EIO;1701 1702 len = scnprintf(buf, sizeof(buf), "%u\n", vif->listen_intvl_t);1703 1704 return simple_read_from_buffer(user_buf, count, ppos, buf, len);1705}1706 1707static const struct file_operations fops_listen_int = {1708 .read = ath6kl_listen_int_read,1709 .write = ath6kl_listen_int_write,1710 .open = simple_open,1711 .owner = THIS_MODULE,1712 .llseek = default_llseek,1713};1714 1715static ssize_t ath6kl_power_params_write(struct file *file,1716 const char __user *user_buf,1717 size_t count, loff_t *ppos)1718{1719 struct ath6kl *ar = file->private_data;1720 u8 buf[100];1721 unsigned int len = 0;1722 char *sptr, *token;1723 u16 idle_period, ps_poll_num, dtim,1724 tx_wakeup, num_tx;1725 1726 len = min(count, sizeof(buf) - 1);1727 if (copy_from_user(buf, user_buf, len))1728 return -EFAULT;1729 buf[len] = '\0';1730 sptr = buf;1731 1732 token = strsep(&sptr, " ");1733 if (!token)1734 return -EINVAL;1735 if (kstrtou16(token, 0, &idle_period))1736 return -EINVAL;1737 1738 token = strsep(&sptr, " ");1739 if (!token)1740 return -EINVAL;1741 if (kstrtou16(token, 0, &ps_poll_num))1742 return -EINVAL;1743 1744 token = strsep(&sptr, " ");1745 if (!token)1746 return -EINVAL;1747 if (kstrtou16(token, 0, &dtim))1748 return -EINVAL;1749 1750 token = strsep(&sptr, " ");1751 if (!token)1752 return -EINVAL;1753 if (kstrtou16(token, 0, &tx_wakeup))1754 return -EINVAL;1755 1756 token = strsep(&sptr, " ");1757 if (!token)1758 return -EINVAL;1759 if (kstrtou16(token, 0, &num_tx))1760 return -EINVAL;1761 1762 ath6kl_wmi_pmparams_cmd(ar->wmi, 0, idle_period, ps_poll_num,1763 dtim, tx_wakeup, num_tx, 0);1764 1765 return count;1766}1767 1768static const struct file_operations fops_power_params = {1769 .write = ath6kl_power_params_write,1770 .open = simple_open,1771 .owner = THIS_MODULE,1772 .llseek = default_llseek,1773};1774 1775void ath6kl_debug_init(struct ath6kl *ar)1776{1777 skb_queue_head_init(&ar->debug.fwlog_queue);1778 init_completion(&ar->debug.fwlog_completion);1779 1780 /*1781 * Actually we are lying here but don't know how to read the mask1782 * value from the firmware.1783 */1784 ar->debug.fwlog_mask = 0;1785}1786 1787/*1788 * Initialisation needs to happen in two stages as fwlog events can come1789 * before cfg80211 is initialised, and debugfs depends on cfg802111790 * initialisation.1791 */1792int ath6kl_debug_init_fs(struct ath6kl *ar)1793{1794 ar->debugfs_phy = debugfs_create_dir("ath6kl",1795 ar->wiphy->debugfsdir);1796 1797 debugfs_create_file("tgt_stats", 0400, ar->debugfs_phy, ar,1798 &fops_tgt_stats);1799 1800 if (ar->hif_type == ATH6KL_HIF_TYPE_SDIO)1801 debugfs_create_file("credit_dist_stats", 0400,1802 ar->debugfs_phy, ar,1803 &fops_credit_dist_stats);1804 1805 debugfs_create_file("endpoint_stats", 0600,1806 ar->debugfs_phy, ar, &fops_endpoint_stats);1807 1808 debugfs_create_file("fwlog", 0400, ar->debugfs_phy, ar, &fops_fwlog);1809 1810 debugfs_create_file("fwlog_block", 0400, ar->debugfs_phy, ar,1811 &fops_fwlog_block);1812 1813 debugfs_create_file("fwlog_mask", 0600, ar->debugfs_phy,1814 ar, &fops_fwlog_mask);1815 1816 debugfs_create_file("reg_addr", 0600, ar->debugfs_phy, ar,1817 &fops_diag_reg_read);1818 1819 debugfs_create_file("reg_dump", 0400, ar->debugfs_phy, ar,1820 &fops_reg_dump);1821 1822 debugfs_create_file("lrssi_roam_threshold", 0600,1823 ar->debugfs_phy, ar, &fops_lrssi_roam_threshold);1824 1825 debugfs_create_file("reg_write", 0600,1826 ar->debugfs_phy, ar, &fops_diag_reg_write);1827 1828 debugfs_create_file("war_stats", 0400, ar->debugfs_phy, ar,1829 &fops_war_stats);1830 1831 debugfs_create_file("roam_table", 0400, ar->debugfs_phy, ar,1832 &fops_roam_table);1833 1834 debugfs_create_file("force_roam", 0200, ar->debugfs_phy, ar,1835 &fops_force_roam);1836 1837 debugfs_create_file("roam_mode", 0200, ar->debugfs_phy, ar,1838 &fops_roam_mode);1839 1840 debugfs_create_file("keepalive", 0600, ar->debugfs_phy, ar,1841 &fops_keepalive);1842 1843 debugfs_create_file("disconnect_timeout", 0600,1844 ar->debugfs_phy, ar, &fops_disconnect_timeout);1845 1846 debugfs_create_file("create_qos", 0200, ar->debugfs_phy, ar,1847 &fops_create_qos);1848 1849 debugfs_create_file("delete_qos", 0200, ar->debugfs_phy, ar,1850 &fops_delete_qos);1851 1852 debugfs_create_file("bgscan_interval", 0200,1853 ar->debugfs_phy, ar, &fops_bgscan_int);1854 1855 debugfs_create_file("listen_interval", 0600,1856 ar->debugfs_phy, ar, &fops_listen_int);1857 1858 debugfs_create_file("power_params", 0200, ar->debugfs_phy, ar,1859 &fops_power_params);1860 1861 return 0;1862}1863 1864void ath6kl_debug_cleanup(struct ath6kl *ar)1865{1866 skb_queue_purge(&ar->debug.fwlog_queue);1867 complete(&ar->debug.fwlog_completion);1868 kfree(ar->debug.roam_tbl);1869}1870 1871#endif1872