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 any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * 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 20 37 38#define ATH6KL_FWLOG_VALID_MASK 0x1ffff 39 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_DEBUG 129 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 25 167#define REGTYPE_STR_LEN 100 168 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 some 221 * 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 200 701#define CREDIT_INFO_LEN 128 702 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 EPSTAT 827 828 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 else 903 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 else 952 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 else 1287 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 mask 1782 * 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 come 1789 * before cfg80211 is initialised, and debugfs depends on cfg80211 1790 * 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#endif 1872