| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kalle Valo | 2360 | 18.72% | 19 | 18.27% |
| Maharaja Kennadyrajan | 2173 | 17.24% | 6 | 5.77% |
| Michal Kazior | 1447 | 11.48% | 24 | 23.08% |
| Yanbo Li | 1363 | 10.81% | 4 | 3.85% |
| Ben Greear | 1307 | 10.37% | 5 | 4.81% |
| Janusz Dziedzic | 727 | 5.77% | 2 | 1.92% |
| Rajkumar Manoharan | 700 | 5.55% | 4 | 3.85% |
| Mohammed Shafi Shajakhan | 645 | 5.12% | 11 | 10.58% |
| Peter Oh | 339 | 2.69% | 1 | 0.96% |
| Anilkumar Kolli | 286 | 2.27% | 2 | 1.92% |
| Ashok Raj Nagarajan | 260 | 2.06% | 1 | 0.96% |
| Vasanthakumar Thiagarajan | 237 | 1.88% | 1 | 0.96% |
| Marty Faltesek | 133 | 1.05% | 1 | 0.96% |
| Manikanta Pubbisetty | 96 | 0.76% | 2 | 1.92% |
| Marek Puzyniak | 84 | 0.67% | 2 | 1.92% |
| SenthilKumar Jegadeesan | 69 | 0.55% | 1 | 0.96% |
| Tamizh chelvam | 53 | 0.42% | 2 | 1.92% |
| Surabhi Vishnoi | 52 | 0.41% | 1 | 0.96% |
| Wang, Yu | 45 | 0.36% | 1 | 0.96% |
| Michael Mera | 45 | 0.36% | 1 | 0.96% |
| Christian Lamparter | 29 | 0.23% | 1 | 0.96% |
| Venkateswara Naralasetty | 28 | 0.22% | 1 | 0.96% |
| David Liu | 28 | 0.22% | 1 | 0.96% |
| Amadeusz Sławiński | 25 | 0.20% | 1 | 0.96% |
| Raja Mani | 25 | 0.20% | 2 | 1.92% |
| Marcin Rokicki | 24 | 0.19% | 2 | 1.92% |
| Rakesh Pillai | 13 | 0.10% | 1 | 0.96% |
| Masahiro Yamada | 6 | 0.05% | 1 | 0.96% |
| Nicholas Mc Guire | 5 | 0.04% | 1 | 0.96% |
| Joe Perches | 3 | 0.02% | 1 | 0.96% |
| Johannes Berg | 1 | 0.01% | 1 | 0.96% |
| Total | 12608 | 104 |
/* * Copyright (c) 2005-2011 Atheros Communications Inc. * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/module.h> #include <linux/debugfs.h> #include <linux/vmalloc.h> #include <linux/crc32.h> #include <linux/firmware.h> #include "core.h" #include "debug.h" #include "hif.h" #include "wmi-ops.h" /* ms */ #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 #define ATH10K_DEBUG_CAL_DATA_LEN 12064 void ath10k_info(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; va_start(args, fmt); vaf.va = &args; dev_info(ar->dev, "%pV", &vaf); trace_ath10k_log_info(ar, &vaf); va_end(args); } EXPORT_SYMBOL(ath10k_info); void ath10k_debug_print_hwfw_info(struct ath10k *ar) { const struct firmware *firmware; char fw_features[128] = {}; u32 crc = 0; ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features)); ath10k_info(ar, "%s target 0x%08x chip_id 0x%08x sub %04x:%04x", ar->hw_params.name, ar->target_version, ar->chip_id, ar->id.subsystem_vendor, ar->id.subsystem_device); ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n", IS_ENABLED(CONFIG_ATH10K_DEBUG), IS_ENABLED(CONFIG_ATH10K_DEBUGFS), IS_ENABLED(CONFIG_ATH10K_TRACING), IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED), IS_ENABLED(CONFIG_NL80211_TESTMODE)); firmware = ar->normal_mode_fw.fw_file.firmware; if (firmware) crc = crc32_le(0, firmware->data, firmware->size); ath10k_info(ar, "firmware ver %s api %d features %s crc32 %08x\n", ar->hw->wiphy->fw_version, ar->fw_api, fw_features, crc); } void ath10k_debug_print_board_info(struct ath10k *ar) { char boardinfo[100]; const struct firmware *board; u32 crc; if (ar->id.bmi_ids_valid) scnprintf(boardinfo, sizeof(boardinfo), "%d:%d", ar->id.bmi_chip_id, ar->id.bmi_board_id); else scnprintf(boardinfo, sizeof(boardinfo), "N/A"); board = ar->normal_mode_fw.board; if (!IS_ERR_OR_NULL(board)) crc = crc32_le(0, board->data, board->size); else crc = 0; ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x", ar->bd_api, boardinfo, crc); } void ath10k_debug_print_boot_info(struct ath10k *ar) { ath10k_info(ar, "htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d\n", ar->htt.target_version_major, ar->htt.target_version_minor, ar->normal_mode_fw.fw_file.wmi_op_version, ar->normal_mode_fw.fw_file.htt_op_version, ath10k_cal_mode_str(ar->cal_mode), ar->max_num_stations, test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags), !test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags)); } void ath10k_print_driver_info(struct ath10k *ar) { ath10k_debug_print_hwfw_info(ar); ath10k_debug_print_board_info(ar); ath10k_debug_print_boot_info(ar); } EXPORT_SYMBOL(ath10k_print_driver_info); void ath10k_err(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; va_start(args, fmt); vaf.va = &args; dev_err(ar->dev, "%pV", &vaf); trace_ath10k_log_err(ar, &vaf); va_end(args); } EXPORT_SYMBOL(ath10k_err); void ath10k_warn(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; va_start(args, fmt); vaf.va = &args; dev_warn_ratelimited(ar->dev, "%pV", &vaf); trace_ath10k_log_warn(ar, &vaf); va_end(args); } EXPORT_SYMBOL(ath10k_warn); #ifdef CONFIG_ATH10K_DEBUGFS static ssize_t ath10k_read_wmi_services(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char *buf; size_t len = 0, buf_len = 8192; const char *name; ssize_t ret_cnt; bool enabled; int i; buf = kzalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; mutex_lock(&ar->conf_mutex); spin_lock_bh(&ar->data_lock); for (i = 0; i < WMI_SERVICE_MAX; i++) { enabled = test_bit(i, ar->wmi.svc_map); name = wmi_service_name(i); if (!name) { if (enabled) len += scnprintf(buf + len, buf_len - len, "%-40s %s (bit %d)\n", "unknown", "enabled", i); continue; } len += scnprintf(buf + len, buf_len - len, "%-40s %s\n", name, enabled ? "enabled" : "-"); } spin_unlock_bh(&ar->data_lock); ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); mutex_unlock(&ar->conf_mutex); kfree(buf); return ret_cnt; } static const struct file_operations fops_wmi_services = { .read = ath10k_read_wmi_services, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static void ath10k_fw_stats_pdevs_free(struct list_head *head) { struct ath10k_fw_stats_pdev *i, *tmp; list_for_each_entry_safe(i, tmp, head, list) { list_del(&i->list); kfree(i); } } static void ath10k_fw_stats_vdevs_free(struct list_head *head) { struct ath10k_fw_stats_vdev *i, *tmp; list_for_each_entry_safe(i, tmp, head, list) { list_del(&i->list); kfree(i); } } static void ath10k_fw_stats_peers_free(struct list_head *head) { struct ath10k_fw_stats_peer *i, *tmp; list_for_each_entry_safe(i, tmp, head, list) { list_del(&i->list); kfree(i); } } static void ath10k_fw_extd_stats_peers_free(struct list_head *head) { struct ath10k_fw_extd_stats_peer *i, *tmp; list_for_each_entry_safe(i, tmp, head, list) { list_del(&i->list); kfree(i); } } static void ath10k_debug_fw_stats_reset(struct ath10k *ar) { spin_lock_bh(&ar->data_lock); ar->debug.fw_stats_done = false; ar->debug.fw_stats.extended = false; ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers); ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd); spin_unlock_bh(&ar->data_lock); } void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) { struct ath10k_fw_stats stats = {}; bool is_start, is_started, is_end; size_t num_peers; size_t num_vdevs; int ret; INIT_LIST_HEAD(&stats.pdevs); INIT_LIST_HEAD(&stats.vdevs); INIT_LIST_HEAD(&stats.peers); INIT_LIST_HEAD(&stats.peers_extd); spin_lock_bh(&ar->data_lock); ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats); if (ret) { ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); goto free; } /* Stat data may exceed htc-wmi buffer limit. In such case firmware * splits the stats data and delivers it in a ping-pong fashion of * request cmd-update event. * * However there is no explicit end-of-data. Instead start-of-data is * used as an implicit one. This works as follows: * a) discard stat update events until one with pdev stats is * delivered - this skips session started at end of (b) * b) consume stat update events until another one with pdev stats is * delivered which is treated as end-of-data and is itself discarded */ if (ath10k_peer_stats_enabled(ar)) ath10k_sta_update_rx_duration(ar, &stats); if (ar->debug.fw_stats_done) { if (!ath10k_peer_stats_enabled(ar)) ath10k_warn(ar, "received unsolicited stats update event\n"); goto free; } num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers); num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs); is_start = (list_empty(&ar->debug.fw_stats.pdevs) && !list_empty(&stats.pdevs)); is_end = (!list_empty(&ar->debug.fw_stats.pdevs) && !list_empty(&stats.pdevs)); if (is_start) list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); if (is_end) ar->debug.fw_stats_done = true; is_started = !list_empty(&ar->debug.fw_stats.pdevs); if (is_started && !is_end) { if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) { /* Although this is unlikely impose a sane limit to * prevent firmware from DoS-ing the host. */ ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers); ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd); ath10k_warn(ar, "dropping fw peer stats\n"); goto free; } if (num_vdevs >= BITS_PER_LONG) { ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); ath10k_warn(ar, "dropping fw vdev stats\n"); goto free; } if (!list_empty(&stats.peers)) list_splice_tail_init(&stats.peers_extd, &ar->debug.fw_stats.peers_extd); list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers); list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs); } complete(&ar->debug.fw_stats_complete); free: /* In some cases lists have been spliced and cleared. Free up * resources if that is not the case. */ ath10k_fw_stats_pdevs_free(&stats.pdevs); ath10k_fw_stats_vdevs_free(&stats.vdevs); ath10k_fw_stats_peers_free(&stats.peers); ath10k_fw_extd_stats_peers_free(&stats.peers_extd); spin_unlock_bh(&ar->data_lock); } static int ath10k_debug_fw_stats_request(struct ath10k *ar) { unsigned long timeout, time_left; int ret; lockdep_assert_held(&ar->conf_mutex); timeout = jiffies + msecs_to_jiffies(1 * HZ); ath10k_debug_fw_stats_reset(ar); for (;;) { if (time_after(jiffies, timeout)) return -ETIMEDOUT; reinit_completion(&ar->debug.fw_stats_complete); ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask); if (ret) { ath10k_warn(ar, "could not request stats (%d)\n", ret); return ret; } time_left = wait_for_completion_timeout(&ar->debug.fw_stats_complete, 1 * HZ); if (!time_left) return -ETIMEDOUT; spin_lock_bh(&ar->data_lock); if (ar->debug.fw_stats_done) { spin_unlock_bh(&ar->data_lock); break; } spin_unlock_bh(&ar->data_lock); } return 0; } static int ath10k_fw_stats_open(struct inode *inode, struct file *file) { struct ath10k *ar = inode->i_private; void *buf = NULL; int ret; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON) { ret = -ENETDOWN; goto err_unlock; } buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE); if (!buf) { ret = -ENOMEM; goto err_unlock; } ret = ath10k_debug_fw_stats_request(ar); if (ret) { ath10k_warn(ar, "failed to request fw stats: %d\n", ret); goto err_free; } ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf); if (ret) { ath10k_warn(ar, "failed to fill fw stats: %d\n", ret); goto err_free; } file->private_data = buf; mutex_unlock(&ar->conf_mutex); return 0; err_free: vfree(buf); err_unlock: mutex_unlock(&ar->conf_mutex); return ret; } static int ath10k_fw_stats_release(struct inode *inode, struct file *file) { vfree(file->private_data); return 0; } static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { const char *buf = file->private_data; size_t len = strlen(buf); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_fw_stats = { .open = ath10k_fw_stats_open, .release = ath10k_fw_stats_release, .read = ath10k_fw_stats_read, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; int ret; size_t len = 0, buf_len = 500; char *buf; buf = kmalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; spin_lock_bh(&ar->data_lock); len += scnprintf(buf + len, buf_len - len, "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter); len += scnprintf(buf + len, buf_len - len, "fw_warm_reset_counter\t\t%d\n", ar->stats.fw_warm_reset_counter); len += scnprintf(buf + len, buf_len - len, "fw_cold_reset_counter\t\t%d\n", ar->stats.fw_cold_reset_counter); spin_unlock_bh(&ar->data_lock); ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); kfree(buf); return ret; } static const struct file_operations fops_fw_reset_stats = { .open = simple_open, .read = ath10k_debug_fw_reset_stats_read, .owner = THIS_MODULE, .llseek = default_llseek, }; /* This is a clean assert crash in firmware. */ static int ath10k_debug_fw_assert(struct ath10k *ar) { struct wmi_vdev_install_key_cmd *cmd; struct sk_buff *skb; skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16); if (!skb) return -ENOMEM; cmd = (struct wmi_vdev_install_key_cmd *)skb->data; memset(cmd, 0, sizeof(*cmd)); /* big enough number so that firmware asserts */ cmd->vdev_id = __cpu_to_le32(0x7ffe); return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->vdev_install_key_cmdid); } static ssize_t ath10k_read_simulate_fw_crash(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { const char buf[] = "To simulate firmware crash write one of the keywords to this file:\n" "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n" "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n" "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n" "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n"; return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); } /* Simulate firmware crash: * 'soft': Call wmi command causing firmware hang. This firmware hang is * recoverable by warm firmware reset. * 'hard': Force firmware crash by setting any vdev parameter for not allowed * vdev id. This is hard firmware crash because it is recoverable only by cold * firmware reset. */ static ssize_t ath10k_write_simulate_fw_crash(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char buf[32] = {0}; ssize_t rc; int ret; /* filter partial writes and invalid commands */ if (*ppos != 0 || count >= sizeof(buf) || count == 0) return -EINVAL; rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); if (rc < 0) return rc; /* drop the possible '\n' from the end */ if (buf[*ppos - 1] == '\n') buf[*ppos - 1] = '\0'; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_RESTARTED) { ret = -ENETDOWN; goto exit; } if (!strcmp(buf, "soft")) { ath10k_info(ar, "simulating soft firmware crash\n"); ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0); } else if (!strcmp(buf, "hard")) { ath10k_info(ar, "simulating hard firmware crash\n"); /* 0x7fff is vdev id, and it is always out of range for all * firmware variants in order to force a firmware crash. */ ret = ath10k_wmi_vdev_set_param(ar, 0x7fff, ar->wmi.vdev_param->rts_threshold, 0); } else if (!strcmp(buf, "assert")) { ath10k_info(ar, "simulating firmware assert crash\n"); ret = ath10k_debug_fw_assert(ar); } else if (!strcmp(buf, "hw-restart")) { ath10k_info(ar, "user requested hw restart\n"); queue_work(ar->workqueue, &ar->restart_work); ret = 0; } else { ret = -EINVAL; goto exit; } if (ret) { ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret); goto exit; } ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static const struct file_operations fops_simulate_fw_crash = { .read = ath10k_read_simulate_fw_crash, .write = ath10k_write_simulate_fw_crash, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; size_t len; char buf[50]; len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_chip_id = { .read = ath10k_read_chip_id, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_reg_addr_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u8 buf[32]; size_t len = 0; u32 reg_addr; mutex_lock(&ar->conf_mutex); reg_addr = ar->debug.reg_addr; mutex_unlock(&ar->conf_mutex); len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t ath10k_reg_addr_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u32 reg_addr; int ret; ret = kstrtou32_from_user(user_buf, count, 0, ®_addr); if (ret) return ret; if (!IS_ALIGNED(reg_addr, 4)) return -EFAULT; mutex_lock(&ar->conf_mutex); ar->debug.reg_addr = reg_addr; mutex_unlock(&ar->conf_mutex); return count; } static const struct file_operations fops_reg_addr = { .read = ath10k_reg_addr_read, .write = ath10k_reg_addr_write, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_reg_value_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u8 buf[48]; size_t len; u32 reg_addr, reg_val; int ret; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) { ret = -ENETDOWN; goto exit; } reg_addr = ar->debug.reg_addr; reg_val = ath10k_hif_read32(ar, reg_addr); len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val); ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); exit: mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_reg_value_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u32 reg_addr, reg_val; int ret; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) { ret = -ENETDOWN; goto exit; } reg_addr = ar->debug.reg_addr; ret = kstrtou32_from_user(user_buf, count, 0, ®_val); if (ret) goto exit; ath10k_hif_write32(ar, reg_addr, reg_val); ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static const struct file_operations fops_reg_value = { .read = ath10k_reg_value_read, .write = ath10k_reg_value_write, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_mem_value_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u8 *buf; int ret; if (*ppos < 0) return -EINVAL; if (!count) return 0; mutex_lock(&ar->conf_mutex); buf = vmalloc(count); if (!buf) { ret = -ENOMEM; goto exit; } if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) { ret = -ENETDOWN; goto exit; } ret = ath10k_hif_diag_read(ar, *ppos, buf, count); if (ret) { ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n", (u32)(*ppos), ret); goto exit; } ret = copy_to_user(user_buf, buf, count); if (ret) { ret = -EFAULT; goto exit; } count -= ret; *ppos += count; ret = count; exit: vfree(buf); mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_mem_value_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u8 *buf; int ret; if (*ppos < 0) return -EINVAL; if (!count) return 0; mutex_lock(&ar->conf_mutex); buf = vmalloc(count); if (!buf) { ret = -ENOMEM; goto exit; } if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) { ret = -ENETDOWN; goto exit; } ret = copy_from_user(buf, user_buf, count); if (ret) { ret = -EFAULT; goto exit; } ret = ath10k_hif_diag_write(ar, *ppos, buf, count); if (ret) { ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n", (u32)(*ppos), ret); goto exit; } *ppos += count; ret = count; exit: vfree(buf); mutex_unlock(&ar->conf_mutex); return ret; } static const struct file_operations fops_mem_value = { .read = ath10k_mem_value_read, .write = ath10k_mem_value_write, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static int ath10k_debug_htt_stats_req(struct ath10k *ar) { u64 cookie; int ret; lockdep_assert_held(&ar->conf_mutex); if (ar->debug.htt_stats_mask == 0) /* htt stats are disabled */ return 0; if (ar->state != ATH10K_STATE_ON) return 0; cookie = get_jiffies_64(); ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, cookie); if (ret) { ath10k_warn(ar, "failed to send htt stats request: %d\n", ret); return ret; } queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork, msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL)); return 0; } static void ath10k_debug_htt_stats_dwork(struct work_struct *work) { struct ath10k *ar = container_of(work, struct ath10k, debug.htt_stats_dwork.work); mutex_lock(&ar->conf_mutex); ath10k_debug_htt_stats_req(ar); mutex_unlock(&ar->conf_mutex); } static ssize_t ath10k_read_htt_stats_mask(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char buf[32]; size_t len; len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t ath10k_write_htt_stats_mask(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; unsigned long mask; int ret; ret = kstrtoul_from_user(user_buf, count, 0, &mask); if (ret) return ret; /* max 8 bit masks (for now) */ if (mask > 0xff) return -E2BIG; mutex_lock(&ar->conf_mutex); ar->debug.htt_stats_mask = mask; ret = ath10k_debug_htt_stats_req(ar); if (ret) goto out; ret = count; out: mutex_unlock(&ar->conf_mutex); return ret; } static const struct file_operations fops_htt_stats_mask = { .read = ath10k_read_htt_stats_mask, .write = ath10k_write_htt_stats_mask, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char buf[64]; u8 amsdu, ampdu; size_t len; mutex_lock(&ar->conf_mutex); amsdu = ar->htt.max_num_amsdu; ampdu = ar->htt.max_num_ampdu; mutex_unlock(&ar->conf_mutex); len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; int res; char buf[64] = {0}; unsigned int amsdu, ampdu; res = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); if (res <= 0) return res; res = sscanf(buf, "%u %u", &amsdu, &du); if (res != 2) return -EINVAL; mutex_lock(&ar->conf_mutex); res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu); if (res) goto out; res = count; ar->htt.max_num_amsdu = amsdu; ar->htt.max_num_ampdu = ampdu; out: mutex_unlock(&ar->conf_mutex); return res; } static const struct file_operations fops_htt_max_amsdu_ampdu = { .read = ath10k_read_htt_max_amsdu_ampdu, .write = ath10k_write_htt_max_amsdu_ampdu, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_read_fw_dbglog(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; size_t len; char buf[96]; len = scnprintf(buf, sizeof(buf), "0x%16llx %u\n", ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t ath10k_write_fw_dbglog(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; int ret; char buf[96] = {0}; unsigned int log_level; u64 mask; ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); if (ret <= 0) return ret; ret = sscanf(buf, "%llx %u", &mask, &log_level); if (!ret) return -EINVAL; if (ret == 1) /* default if user did not specify */ log_level = ATH10K_DBGLOG_LEVEL_WARN; mutex_lock(&ar->conf_mutex); ar->debug.fw_dbglog_mask = mask; ar->debug.fw_dbglog_level = log_level; if (ar->state == ATH10K_STATE_ON) { ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level); if (ret) { ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n", ret); goto exit; } } ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } /* TODO: Would be nice to always support ethtool stats, would need to * move the stats storage out of ath10k_debug, or always have ath10k_debug * struct available.. */ /* This generally cooresponds to the debugfs fw_stats file */ static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = { "tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic", "d_noise_floor", "d_cycle_count", "d_phy_error", "d_rts_bad", "d_rts_good", "d_tx_power", /* in .5 dbM I think */ "d_rx_crc_err", /* fcs_bad */ "d_no_beacon", "d_tx_mpdus_queued", "d_tx_msdu_queued", "d_tx_msdu_dropped", "d_local_enqued", "d_local_freed", "d_tx_ppdu_hw_queued", "d_tx_ppdu_reaped", "d_tx_fifo_underrun", "d_tx_ppdu_abort", "d_tx_mpdu_requed", "d_tx_excessive_retries", "d_tx_hw_rate", "d_tx_dropped_sw_retries", "d_tx_illegal_rate", "d_tx_continuous_xretries", "d_tx_timeout", "d_tx_mpdu_txop_limit", "d_pdev_resets", "d_rx_mid_ppdu_route_change", "d_rx_status", "d_rx_extra_frags_ring0", "d_rx_extra_frags_ring1", "d_rx_extra_frags_ring2", "d_rx_extra_frags_ring3", "d_rx_msdu_htt", "d_rx_mpdu_htt", "d_rx_msdu_stack", "d_rx_mpdu_stack", "d_rx_phy_err", "d_rx_phy_err_drops", "d_rx_mpdu_errors", /* FCS, MIC, ENC */ "d_fw_crash_count", "d_fw_warm_reset_count", "d_fw_cold_reset_count", }; #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats) void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 sset, u8 *data) { if (sset == ETH_SS_STATS) memcpy(data, *ath10k_gstrings_stats, sizeof(ath10k_gstrings_stats)); } int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int sset) { if (sset == ETH_SS_STATS) return ATH10K_SSTATS_LEN; return 0; } void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ethtool_stats *stats, u64 *data) { struct ath10k *ar = hw->priv; static const struct ath10k_fw_stats_pdev zero_stats = {}; const struct ath10k_fw_stats_pdev *pdev_stats; int i = 0, ret; mutex_lock(&ar->conf_mutex); if (ar->state == ATH10K_STATE_ON) { ret = ath10k_debug_fw_stats_request(ar); if (ret) { /* just print a warning and try to use older results */ ath10k_warn(ar, "failed to get fw stats for ethtool: %d\n", ret); } } pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs, struct ath10k_fw_stats_pdev, list); if (!pdev_stats) { /* no results available so just return zeroes */ pdev_stats = &zero_stats; } spin_lock_bh(&ar->data_lock); data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */ data[i++] = 0; /* tx bytes */ data[i++] = pdev_stats->htt_mpdus; data[i++] = 0; /* rx bytes */ data[i++] = pdev_stats->ch_noise_floor; data[i++] = pdev_stats->cycle_count; data[i++] = pdev_stats->phy_err_count; data[i++] = pdev_stats->rts_bad; data[i++] = pdev_stats->rts_good; data[i++] = pdev_stats->chan_tx_power; data[i++] = pdev_stats->fcs_bad; data[i++] = pdev_stats->no_beacons; data[i++] = pdev_stats->mpdu_enqued; data[i++] = pdev_stats->msdu_enqued; data[i++] = pdev_stats->wmm_drop; data[i++] = pdev_stats->local_enqued; data[i++] = pdev_stats->local_freed; data[i++] = pdev_stats->hw_queued; data[i++] = pdev_stats->hw_reaped; data[i++] = pdev_stats->underrun; data[i++] = pdev_stats->tx_abort; data[i++] = pdev_stats->mpdus_requed; data[i++] = pdev_stats->tx_ko; data[i++] = pdev_stats->data_rc; data[i++] = pdev_stats->sw_retry_failure; data[i++] = pdev_stats->illgl_rate_phy_err; data[i++] = pdev_stats->pdev_cont_xretry; data[i++] = pdev_stats->pdev_tx_timeout; data[i++] = pdev_stats->txop_ovf; data[i++] = pdev_stats->pdev_resets; data[i++] = pdev_stats->mid_ppdu_route_change; data[i++] = pdev_stats->status_rcvd; data[i++] = pdev_stats->r0_frags; data[i++] = pdev_stats->r1_frags; data[i++] = pdev_stats->r2_frags; data[i++] = pdev_stats->r3_frags; data[i++] = pdev_stats->htt_msdus; data[i++] = pdev_stats->htt_mpdus; data[i++] = pdev_stats->loc_msdus; data[i++] = pdev_stats->loc_mpdus; data[i++] = pdev_stats->phy_errs; data[i++] = pdev_stats->phy_err_drop; data[i++] = pdev_stats->mpdu_errs; data[i++] = ar->stats.fw_crash_counter; data[i++] = ar->stats.fw_warm_reset_counter; data[i++] = ar->stats.fw_cold_reset_counter; spin_unlock_bh(&ar->data_lock); mutex_unlock(&ar->conf_mutex); WARN_ON(i != ATH10K_SSTATS_LEN); } static const struct file_operations fops_fw_dbglog = { .read = ath10k_read_fw_dbglog, .write = ath10k_write_fw_dbglog, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static int ath10k_debug_cal_data_fetch(struct ath10k *ar) { u32 hi_addr; __le32 addr; int ret; lockdep_assert_held(&ar->conf_mutex); if (WARN_ON(ar->hw_params.cal_data_len > ATH10K_DEBUG_CAL_DATA_LEN)) return -EINVAL; hi_addr = host_interest_item_address(HI_ITEM(hi_board_data)); ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr)); if (ret) { ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret); return ret; } ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), ar->debug.cal_data, ar->hw_params.cal_data_len); if (ret) { ath10k_warn(ar, "failed to read calibration data: %d\n", ret); return ret; } return 0; } static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file) { struct ath10k *ar = inode->i_private; mutex_lock(&ar->conf_mutex); if (ar->state == ATH10K_STATE_ON || ar->state == ATH10K_STATE_UTF) { ath10k_debug_cal_data_fetch(ar); } file->private_data = ar; mutex_unlock(&ar->conf_mutex); return 0; } static ssize_t ath10k_debug_cal_data_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; mutex_lock(&ar->conf_mutex); count = simple_read_from_buffer(user_buf, count, ppos, ar->debug.cal_data, ar->hw_params.cal_data_len); mutex_unlock(&ar->conf_mutex); return count; } static ssize_t ath10k_write_ani_enable(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; int ret; u8 enable; if (kstrtou8_from_user(user_buf, count, 0, &enable)) return -EINVAL; mutex_lock(&ar->conf_mutex); if (ar->ani_enabled == enable) { ret = count; goto exit; } ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable, enable); if (ret) { ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret); goto exit; } ar->ani_enabled = enable; ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; size_t len; char buf[32]; len = scnprintf(buf, sizeof(buf), "%d\n", ar->ani_enabled); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_ani_enable = { .read = ath10k_read_ani_enable, .write = ath10k_write_ani_enable, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static const struct file_operations fops_cal_data = { .open = ath10k_debug_cal_data_open, .read = ath10k_debug_cal_data_read, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_read_nf_cal_period(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; size_t len; char buf[32]; len = scnprintf(buf, sizeof(buf), "%d\n", ar->debug.nf_cal_period); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t ath10k_write_nf_cal_period(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; unsigned long period; int ret; ret = kstrtoul_from_user(user_buf, count, 0, &period); if (ret) return ret; if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX) return -EINVAL; /* there's no way to switch back to the firmware default */ if (period == 0) return -EINVAL; mutex_lock(&ar->conf_mutex); ar->debug.nf_cal_period = period; if (ar->state != ATH10K_STATE_ON) { /* firmware is not running, nothing else to do */ ret = count; goto exit; } ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, ar->debug.nf_cal_period); if (ret) { ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n", ret); goto exit; } ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static const struct file_operations fops_nf_cal_period = { .read = ath10k_read_nf_cal_period, .write = ath10k_write_nf_cal_period, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; #define ATH10K_TPC_CONFIG_BUF_SIZE (1024 * 1024) static int ath10k_debug_tpc_stats_request(struct ath10k *ar) { int ret; unsigned long time_left; lockdep_assert_held(&ar->conf_mutex); reinit_completion(&ar->debug.tpc_complete); ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM); if (ret) { ath10k_warn(ar, "failed to request tpc config: %d\n", ret); return ret; } time_left = wait_for_completion_timeout(&ar->debug.tpc_complete, 1 * HZ); if (time_left == 0) return -ETIMEDOUT; return 0; } void ath10k_debug_tpc_stats_process(struct ath10k *ar, struct ath10k_tpc_stats *tpc_stats) { spin_lock_bh(&ar->data_lock); kfree(ar->debug.tpc_stats); ar->debug.tpc_stats = tpc_stats; complete(&ar->debug.tpc_complete); spin_unlock_bh(&ar->data_lock); } void ath10k_debug_tpc_stats_final_process(struct ath10k *ar, struct ath10k_tpc_stats_final *tpc_stats) { spin_lock_bh(&ar->data_lock); kfree(ar->debug.tpc_stats_final); ar->debug.tpc_stats_final = tpc_stats; complete(&ar->debug.tpc_complete); spin_unlock_bh(&ar->data_lock); } static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats, unsigned int j, char *buf, size_t *len) { int i; size_t buf_len; static const char table_str[][5] = { "CDD", "STBC", "TXBF" }; static const char pream_str[][6] = { "CCK", "OFDM", "HT20", "HT40", "VHT20", "VHT40", "VHT80", "HTCUP" }; buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; *len += scnprintf(buf + *len, buf_len - *len, "********************************\n"); *len += scnprintf(buf + *len, buf_len - *len, "******************* %s POWER TABLE ****************\n", table_str[j]); *len += scnprintf(buf + *len, buf_len - *len, "********************************\n"); *len += scnprintf(buf + *len, buf_len - *len, "No. Preamble Rate_code "); for (i = 0; i < WMI_TPC_TX_N_CHAIN; i++) *len += scnprintf(buf + *len, buf_len - *len, "tpc_value%d ", i); *len += scnprintf(buf + *len, buf_len - *len, "\n"); for (i = 0; i < tpc_stats->rate_max; i++) { *len += scnprintf(buf + *len, buf_len - *len, "%8d %s 0x%2x %s\n", i, pream_str[tpc_stats->tpc_table[j].pream_idx[i]], tpc_stats->tpc_table[j].rate_code[i], tpc_stats->tpc_table[j].tpc_value[i]); } *len += scnprintf(buf + *len, buf_len - *len, "***********************************\n"); } static void ath10k_tpc_stats_fill(struct ath10k *ar, struct ath10k_tpc_stats *tpc_stats, char *buf) { int j; size_t len, buf_len; len = 0; buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; spin_lock_bh(&ar->data_lock); if (!tpc_stats) { ath10k_warn(ar, "failed to get tpc stats\n"); goto unlock; } len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "*************************************\n"); len += scnprintf(buf + len, buf_len - len, "TPC config for channel %4d mode %d\n", tpc_stats->chan_freq, tpc_stats->phy_mode); len += scnprintf(buf + len, buf_len - len, "*************************************\n"); len += scnprintf(buf + len, buf_len - len, "CTL = 0x%2x Reg. Domain = %2d\n", tpc_stats->ctl, tpc_stats->reg_domain); len += scnprintf(buf + len, buf_len - len, "Antenna Gain = %2d Reg. Max Antenna Gain = %2d\n", tpc_stats->twice_antenna_gain, tpc_stats->twice_antenna_reduction); len += scnprintf(buf + len, buf_len - len, "Power Limit = %2d Reg. Max Power = %2d\n", tpc_stats->power_limit, tpc_stats->twice_max_rd_power / 2); len += scnprintf(buf + len, buf_len - len, "Num tx chains = %2d Num supported rates = %2d\n", tpc_stats->num_tx_chain, tpc_stats->rate_max); for (j = 0; j < WMI_TPC_FLAG; j++) { switch (j) { case WMI_TPC_TABLE_TYPE_CDD: if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { len += scnprintf(buf + len, buf_len - len, "CDD not supported\n"); break; } ath10k_tpc_stats_print(tpc_stats, j, buf, &len); break; case WMI_TPC_TABLE_TYPE_STBC: if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { len += scnprintf(buf + len, buf_len - len, "STBC not supported\n"); break; } ath10k_tpc_stats_print(tpc_stats, j, buf, &len); break; case WMI_TPC_TABLE_TYPE_TXBF: if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { len += scnprintf(buf + len, buf_len - len, "TXBF not supported\n***************************\n"); break; } ath10k_tpc_stats_print(tpc_stats, j, buf, &len); break; default: len += scnprintf(buf + len, buf_len - len, "Invalid Type\n"); break; } } unlock: spin_unlock_bh(&ar->data_lock); if (len >= buf_len) buf[len - 1] = 0; else buf[len] = 0; } static int ath10k_tpc_stats_open(struct inode *inode, struct file *file) { struct ath10k *ar = inode->i_private; void *buf = NULL; int ret; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON) { ret = -ENETDOWN; goto err_unlock; } buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE); if (!buf) { ret = -ENOMEM; goto err_unlock; } ret = ath10k_debug_tpc_stats_request(ar); if (ret) { ath10k_warn(ar, "failed to request tpc config stats: %d\n", ret); goto err_free; } ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf); file->private_data = buf; mutex_unlock(&ar->conf_mutex); return 0; err_free: vfree(buf); err_unlock: mutex_unlock(&ar->conf_mutex); return ret; } static int ath10k_tpc_stats_release(struct inode *inode, struct file *file) { vfree(file->private_data); return 0; } static ssize_t ath10k_tpc_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { const char *buf = file->private_data; size_t len = strlen(buf); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_tpc_stats = { .open = ath10k_tpc_stats_open, .release = ath10k_tpc_stats_release, .read = ath10k_tpc_stats_read, .owner = THIS_MODULE, .llseek = default_llseek, }; int ath10k_debug_start(struct ath10k *ar) { int ret; lockdep_assert_held(&ar->conf_mutex); ret = ath10k_debug_htt_stats_req(ar); if (ret) /* continue normally anyway, this isn't serious */ ath10k_warn(ar, "failed to start htt stats workqueue: %d\n", ret); if (ar->debug.fw_dbglog_mask) { ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, ATH10K_DBGLOG_LEVEL_WARN); if (ret) /* not serious */ ath10k_warn(ar, "failed to enable dbglog during start: %d", ret); } if (ar->pktlog_filter) { ret = ath10k_wmi_pdev_pktlog_enable(ar, ar->pktlog_filter); if (ret) /* not serious */ ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", ar->pktlog_filter, ret); } else { ret = ath10k_wmi_pdev_pktlog_disable(ar); if (ret) /* not serious */ ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); } if (ar->debug.nf_cal_period && !test_bit(ATH10K_FW_FEATURE_NON_BMI, ar->normal_mode_fw.fw_file.fw_features)) { ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, ar->debug.nf_cal_period); if (ret) /* not serious */ ath10k_warn(ar, "cal period cfg failed from debug start: %d\n", ret); } return ret; } void ath10k_debug_stop(struct ath10k *ar) { lockdep_assert_held(&ar->conf_mutex); if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, ar->normal_mode_fw.fw_file.fw_features)) ath10k_debug_cal_data_fetch(ar); /* Must not use _sync to avoid deadlock, we do that in * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid * warning from del_timer(). */ if (ar->debug.htt_stats_mask != 0) cancel_delayed_work(&ar->debug.htt_stats_dwork); ath10k_wmi_pdev_pktlog_disable(ar); } static ssize_t ath10k_write_simulate_radar(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; struct ath10k_vif *arvif; /* Just check for for the first vif alone, as all the vifs will be * sharing the same channel and if the channel is disabled, all the * vifs will share the same 'is_started' state. */ arvif = list_first_entry(&ar->arvifs, typeof(*arvif), list); if (!arvif->is_started) return -EINVAL; ieee80211_radar_detected(ar->hw); return count; } static const struct file_operations fops_simulate_radar = { .write = ath10k_write_simulate_radar, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; #define ATH10K_DFS_STAT(s, p) (\ len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ ar->debug.dfs_stats.p)) #define ATH10K_DFS_POOL_STAT(s, p) (\ len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ ar->debug.dfs_pool_stats.p)) static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { int retval = 0, len = 0; const int size = 8000; struct ath10k *ar = file->private_data; char *buf; buf = kzalloc(size, GFP_KERNEL); if (buf == NULL) return -ENOMEM; if (!ar->dfs_detector) { len += scnprintf(buf + len, size - len, "DFS not enabled\n"); goto exit; } ar->debug.dfs_pool_stats = ar->dfs_detector->get_stats(ar->dfs_detector); len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n"); ATH10K_DFS_STAT("reported phy errors", phy_errors); ATH10K_DFS_STAT("pulse events reported", pulses_total); ATH10K_DFS_STAT("DFS pulses detected", pulses_detected); ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded); ATH10K_DFS_STAT("Radars detected", radar_detected); len += scnprintf(buf + len, size - len, "Global Pool statistics:\n"); ATH10K_DFS_POOL_STAT("Pool references", pool_reference); ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated); ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error); ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used); ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated); ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error); ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used); exit: if (len > size) len = size; retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); kfree(buf); return retval; } static const struct file_operations fops_dfs_stats = { .read = ath10k_read_dfs_stats, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_write_pktlog_filter(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u32 filter; int ret; if (kstrtouint_from_user(ubuf, count, 0, &filter)) return -EINVAL; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON) { ar->pktlog_filter = filter; ret = count; goto out; } if (filter == ar->pktlog_filter) { ret = count; goto out; } if (filter) { ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); if (ret) { ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", ar->pktlog_filter, ret); goto out; } } else { ret = ath10k_wmi_pdev_pktlog_disable(ar); if (ret) { ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); goto out; } } ar->pktlog_filter = filter; ret = count; out: mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { char buf[32]; struct ath10k *ar = file->private_data; int len = 0; mutex_lock(&ar->conf_mutex); len = scnprintf(buf, sizeof(buf) - len, "%08x\n", ar->pktlog_filter); mutex_unlock(&ar->conf_mutex); return simple_read_from_buffer(ubuf, count, ppos, buf, len); } static const struct file_operations fops_pktlog_filter = { .read = ath10k_read_pktlog_filter, .write = ath10k_write_pktlog_filter, .open = simple_open }; static ssize_t ath10k_write_quiet_period(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u32 period; if (kstrtouint_from_user(ubuf, count, 0, &period)) return -EINVAL; if (period < ATH10K_QUIET_PERIOD_MIN) { ath10k_warn(ar, "Quiet period %u can not be lesser than 25ms\n", period); return -EINVAL; } mutex_lock(&ar->conf_mutex); ar->thermal.quiet_period = period; ath10k_thermal_set_throttling(ar); mutex_unlock(&ar->conf_mutex); return count; } static ssize_t ath10k_read_quiet_period(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { char buf[32]; struct ath10k *ar = file->private_data; int len = 0; mutex_lock(&ar->conf_mutex); len = scnprintf(buf, sizeof(buf) - len, "%d\n", ar->thermal.quiet_period); mutex_unlock(&ar->conf_mutex); return simple_read_from_buffer(ubuf, count, ppos, buf, len); } static const struct file_operations fops_quiet_period = { .read = ath10k_read_quiet_period, .write = ath10k_write_quiet_period, .open = simple_open }; static ssize_t ath10k_write_btcoex(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char buf[32]; size_t buf_size; int ret; bool val; u32 pdev_param; buf_size = min(count, (sizeof(buf) - 1)); if (copy_from_user(buf, ubuf, buf_size)) return -EFAULT; buf[buf_size] = '\0'; if (strtobool(buf, &val) != 0) return -EINVAL; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_RESTARTED) { ret = -ENETDOWN; goto exit; } if (!(test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags) ^ val)) { ret = count; goto exit; } pdev_param = ar->wmi.pdev_param->enable_btcoex; if (test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM, ar->running_fw->fw_file.fw_features)) { ret = ath10k_wmi_pdev_set_param(ar, pdev_param, val); if (ret) { ath10k_warn(ar, "failed to enable btcoex: %d\n", ret); ret = count; goto exit; } } else { ath10k_info(ar, "restarting firmware due to btcoex change"); queue_work(ar->workqueue, &ar->restart_work); } if (val) set_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags); else clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags); ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_read_btcoex(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { char buf[32]; struct ath10k *ar = file->private_data; int len = 0; mutex_lock(&ar->conf_mutex); len = scnprintf(buf, sizeof(buf) - len, "%d\n", test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags)); mutex_unlock(&ar->conf_mutex); return simple_read_from_buffer(ubuf, count, ppos, buf, len); } static const struct file_operations fops_btcoex = { .read = ath10k_read_btcoex, .write = ath10k_write_btcoex, .open = simple_open }; static ssize_t ath10k_write_enable_extd_tx_stats(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; u32 filter; int ret; if (kstrtouint_from_user(ubuf, count, 0, &filter)) return -EINVAL; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON) { ar->debug.enable_extd_tx_stats = filter; ret = count; goto out; } if (filter == ar->debug.enable_extd_tx_stats) { ret = count; goto out; } ar->debug.enable_extd_tx_stats = filter; ret = count; out: mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_read_enable_extd_tx_stats(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { char buf[32]; struct ath10k *ar = file->private_data; int len = 0; mutex_lock(&ar->conf_mutex); len = scnprintf(buf, sizeof(buf) - len, "%08x\n", ar->debug.enable_extd_tx_stats); mutex_unlock(&ar->conf_mutex); return simple_read_from_buffer(ubuf, count, ppos, buf, len); } static const struct file_operations fops_enable_extd_tx_stats = { .read = ath10k_read_enable_extd_tx_stats, .write = ath10k_write_enable_extd_tx_stats, .open = simple_open }; static ssize_t ath10k_write_peer_stats(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char buf[32]; size_t buf_size; int ret; bool val; buf_size = min(count, (sizeof(buf) - 1)); if (copy_from_user(buf, ubuf, buf_size)) return -EFAULT; buf[buf_size] = '\0'; if (strtobool(buf, &val) != 0) return -EINVAL; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_RESTARTED) { ret = -ENETDOWN; goto exit; } if (!(test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) ^ val)) { ret = count; goto exit; } if (val) set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags); else clear_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags); ath10k_info(ar, "restarting firmware due to Peer stats change"); queue_work(ar->workqueue, &ar->restart_work); ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_read_peer_stats(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { char buf[32]; struct ath10k *ar = file->private_data; int len = 0; mutex_lock(&ar->conf_mutex); len = scnprintf(buf, sizeof(buf) - len, "%d\n", test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags)); mutex_unlock(&ar->conf_mutex); return simple_read_from_buffer(ubuf, count, ppos, buf, len); } static const struct file_operations fops_peer_stats = { .read = ath10k_read_peer_stats, .write = ath10k_write_peer_stats, .open = simple_open }; static ssize_t ath10k_debug_fw_checksums_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; size_t len = 0, buf_len = 4096; ssize_t ret_cnt; char *buf; buf = kzalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; mutex_lock(&ar->conf_mutex); len += scnprintf(buf + len, buf_len - len, "firmware-N.bin\t\t%08x\n", crc32_le(0, ar->normal_mode_fw.fw_file.firmware->data, ar->normal_mode_fw.fw_file.firmware->size)); len += scnprintf(buf + len, buf_len - len, "athwlan\t\t\t%08x\n", crc32_le(0, ar->normal_mode_fw.fw_file.firmware_data, ar->normal_mode_fw.fw_file.firmware_len)); len += scnprintf(buf + len, buf_len - len, "otp\t\t\t%08x\n", crc32_le(0, ar->normal_mode_fw.fw_file.otp_data, ar->normal_mode_fw.fw_file.otp_len)); len += scnprintf(buf + len, buf_len - len, "codeswap\t\t%08x\n", crc32_le(0, ar->normal_mode_fw.fw_file.codeswap_data, ar->normal_mode_fw.fw_file.codeswap_len)); len += scnprintf(buf + len, buf_len - len, "board-N.bin\t\t%08x\n", crc32_le(0, ar->normal_mode_fw.board->data, ar->normal_mode_fw.board->size)); len += scnprintf(buf + len, buf_len - len, "board\t\t\t%08x\n", crc32_le(0, ar->normal_mode_fw.board_data, ar->normal_mode_fw.board_len)); ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); mutex_unlock(&ar->conf_mutex); kfree(buf); return ret_cnt; } static const struct file_operations fops_fw_checksums = { .read = ath10k_debug_fw_checksums_read, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_sta_tid_stats_mask_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char buf[32]; size_t len; len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->sta_tid_stats_mask); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t ath10k_sta_tid_stats_mask_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; char buf[32]; ssize_t len; u32 mask; len = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, len)) return -EFAULT; buf[len] = '\0'; if (kstrtoint(buf, 0, &mask)) return -EINVAL; ar->sta_tid_stats_mask = mask; return len; } static const struct file_operations fops_sta_tid_stats_mask = { .read = ath10k_sta_tid_stats_mask_read, .write = ath10k_sta_tid_stats_mask_write, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static int ath10k_debug_tpc_stats_final_request(struct ath10k *ar) { int ret; unsigned long time_left; lockdep_assert_held(&ar->conf_mutex); reinit_completion(&ar->debug.tpc_complete); ret = ath10k_wmi_pdev_get_tpc_table_cmdid(ar, WMI_TPC_CONFIG_PARAM); if (ret) { ath10k_warn(ar, "failed to request tpc table cmdid: %d\n", ret); return ret; } time_left = wait_for_completion_timeout(&ar->debug.tpc_complete, 1 * HZ); if (time_left == 0) return -ETIMEDOUT; return 0; } static int ath10k_tpc_stats_final_open(struct inode *inode, struct file *file) { struct ath10k *ar = inode->i_private; void *buf; int ret; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON) { ret = -ENETDOWN; goto err_unlock; } buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE); if (!buf) { ret = -ENOMEM; goto err_unlock; } ret = ath10k_debug_tpc_stats_final_request(ar); if (ret) { ath10k_warn(ar, "failed to request tpc stats final: %d\n", ret); goto err_free; } ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf); file->private_data = buf; mutex_unlock(&ar->conf_mutex); return 0; err_free: vfree(buf); err_unlock: mutex_unlock(&ar->conf_mutex); return ret; } static int ath10k_tpc_stats_final_release(struct inode *inode, struct file *file) { vfree(file->private_data); return 0; } static ssize_t ath10k_tpc_stats_final_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { const char *buf = file->private_data; unsigned int len = strlen(buf); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_tpc_stats_final = { .open = ath10k_tpc_stats_final_open, .release = ath10k_tpc_stats_final_release, .read = ath10k_tpc_stats_final_read, .owner = THIS_MODULE, .llseek = default_llseek, }; static ssize_t ath10k_write_warm_hw_reset(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; int ret; bool val; if (kstrtobool_from_user(user_buf, count, &val)) return -EFAULT; if (!val) return -EINVAL; mutex_lock(&ar->conf_mutex); if (ar->state != ATH10K_STATE_ON) { ret = -ENETDOWN; goto exit; } if (!(test_bit(WMI_SERVICE_RESET_CHIP, ar->wmi.svc_map))) ath10k_warn(ar, "wmi service for reset chip is not available\n"); ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pdev_reset, WMI_RST_MODE_WARM_RESET); if (ret) { ath10k_warn(ar, "failed to enable warm hw reset: %d\n", ret); goto exit; } ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static const struct file_operations fops_warm_hw_reset = { .write = ath10k_write_warm_hw_reset, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static void ath10k_peer_ps_state_disable(void *data, struct ieee80211_sta *sta) { struct ath10k *ar = data; struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; spin_lock_bh(&ar->data_lock); arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED; spin_unlock_bh(&ar->data_lock); } static ssize_t ath10k_write_ps_state_enable(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; int ret; u32 param; u8 ps_state_enable; if (kstrtou8_from_user(user_buf, count, 0, &ps_state_enable)) return -EINVAL; if (ps_state_enable > 1) return -EINVAL; mutex_lock(&ar->conf_mutex); if (ar->ps_state_enable == ps_state_enable) { ret = count; goto exit; } param = ar->wmi.pdev_param->peer_sta_ps_statechg_enable; ret = ath10k_wmi_pdev_set_param(ar, param, ps_state_enable); if (ret) { ath10k_warn(ar, "failed to enable ps_state_enable: %d\n", ret); goto exit; } ar->ps_state_enable = ps_state_enable; if (!ar->ps_state_enable) ieee80211_iterate_stations_atomic(ar->hw, ath10k_peer_ps_state_disable, ar); ret = count; exit: mutex_unlock(&ar->conf_mutex); return ret; } static ssize_t ath10k_read_ps_state_enable(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; int len = 0; char buf[32]; mutex_lock(&ar->conf_mutex); len = scnprintf(buf, sizeof(buf) - len, "%d\n", ar->ps_state_enable); mutex_unlock(&ar->conf_mutex); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_ps_state_enable = { .read = ath10k_read_ps_state_enable, .write = ath10k_write_ps_state_enable, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; int ath10k_debug_create(struct ath10k *ar) { ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN); if (!ar->debug.cal_data) return -ENOMEM; INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs); INIT_LIST_HEAD(&ar->debug.fw_stats.peers); INIT_LIST_HEAD(&ar->debug.fw_stats.peers_extd); return 0; } void ath10k_debug_destroy(struct ath10k *ar) { vfree(ar->debug.cal_data); ar->debug.cal_data = NULL; ath10k_debug_fw_stats_reset(ar); kfree(ar->debug.tpc_stats); } int ath10k_debug_register(struct ath10k *ar) { ar->debug.debugfs_phy = debugfs_create_dir("ath10k", ar->hw->wiphy->debugfsdir); if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) { if (IS_ERR(ar->debug.debugfs_phy)) return PTR_ERR(ar->debug.debugfs_phy); return -ENOMEM; } INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, ath10k_debug_htt_stats_dwork); init_completion(&ar->debug.tpc_complete); init_completion(&ar->debug.fw_stats_complete); debugfs_create_file("fw_stats", 0400, ar->debug.debugfs_phy, ar, &fops_fw_stats); debugfs_create_file("fw_reset_stats", 0400, ar->debug.debugfs_phy, ar, &fops_fw_reset_stats); debugfs_create_file("wmi_services", 0400, ar->debug.debugfs_phy, ar, &fops_wmi_services); debugfs_create_file("simulate_fw_crash", 0600, ar->debug.debugfs_phy, ar, &fops_simulate_fw_crash); debugfs_create_file("reg_addr", 0600, ar->debug.debugfs_phy, ar, &fops_reg_addr); debugfs_create_file("reg_value", 0600, ar->debug.debugfs_phy, ar, &fops_reg_value); debugfs_create_file("mem_value", 0600, ar->debug.debugfs_phy, ar, &fops_mem_value); debugfs_create_file("chip_id", 0400, ar->debug.debugfs_phy, ar, &fops_chip_id); debugfs_create_file("htt_stats_mask", 0600, ar->debug.debugfs_phy, ar, &fops_htt_stats_mask); debugfs_create_file("htt_max_amsdu_ampdu", 0600, ar->debug.debugfs_phy, ar, &fops_htt_max_amsdu_ampdu); debugfs_create_file("fw_dbglog", 0600, ar->debug.debugfs_phy, ar, &fops_fw_dbglog); if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, ar->normal_mode_fw.fw_file.fw_features)) { debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar, &fops_cal_data); debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar, &fops_nf_cal_period); } debugfs_create_file("ani_enable", 0600, ar->debug.debugfs_phy, ar, &fops_ani_enable); if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) { debugfs_create_file("dfs_simulate_radar", 0200, ar->debug.debugfs_phy, ar, &fops_simulate_radar); debugfs_create_bool("dfs_block_radar_events", 0200, ar->debug.debugfs_phy, &ar->dfs_block_radar_events); debugfs_create_file("dfs_stats", 0400, ar->debug.debugfs_phy, ar, &fops_dfs_stats); } debugfs_create_file("pktlog_filter", 0644, ar->debug.debugfs_phy, ar, &fops_pktlog_filter); if (test_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map)) debugfs_create_file("quiet_period", 0644, ar->debug.debugfs_phy, ar, &fops_quiet_period); debugfs_create_file("tpc_stats", 0400, ar->debug.debugfs_phy, ar, &fops_tpc_stats); if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map)) debugfs_create_file("btcoex", 0644, ar->debug.debugfs_phy, ar, &fops_btcoex); if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) { debugfs_create_file("peer_stats", 0644, ar->debug.debugfs_phy, ar, &fops_peer_stats); debugfs_create_file("enable_extd_tx_stats", 0644, ar->debug.debugfs_phy, ar, &fops_enable_extd_tx_stats); } debugfs_create_file("fw_checksums", 0400, ar->debug.debugfs_phy, ar, &fops_fw_checksums); if (IS_ENABLED(CONFIG_MAC80211_DEBUGFS)) debugfs_create_file("sta_tid_stats_mask", 0600, ar->debug.debugfs_phy, ar, &fops_sta_tid_stats_mask); if (test_bit(WMI_SERVICE_TPC_STATS_FINAL, ar->wmi.svc_map)) debugfs_create_file("tpc_stats_final", 0400, ar->debug.debugfs_phy, ar, &fops_tpc_stats_final); debugfs_create_file("warm_hw_reset", 0600, ar->debug.debugfs_phy, ar, &fops_warm_hw_reset); debugfs_create_file("ps_state_enable", 0600, ar->debug.debugfs_phy, ar, &fops_ps_state_enable); return 0; } void ath10k_debug_unregister(struct ath10k *ar) { cancel_delayed_work_sync(&ar->debug.htt_stats_dwork); } #endif /* CONFIG_ATH10K_DEBUGFS */ #ifdef CONFIG_ATH10K_DEBUG void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask, const char *fmt, ...) { struct va_format vaf; va_list args; va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; if (ath10k_debug_mask & mask) dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf); trace_ath10k_log_dbg(ar, mask, &vaf); va_end(args); } EXPORT_SYMBOL(ath10k_dbg); void ath10k_dbg_dump(struct ath10k *ar, enum ath10k_debug_mask mask, const char *msg, const char *prefix, const void *buf, size_t len) { char linebuf[256]; size_t linebuflen; const void *ptr; if (ath10k_debug_mask & mask) { if (msg) ath10k_dbg(ar, mask, "%s\n", msg); for (ptr = buf; (ptr - buf) < len; ptr += 16) { linebuflen = 0; linebuflen += scnprintf(linebuf + linebuflen, sizeof(linebuf) - linebuflen, "%s%08x: ", (prefix ? prefix : ""), (unsigned int)(ptr - buf)); hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, linebuf + linebuflen, sizeof(linebuf) - linebuflen, true); dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); } } /* tracing code doesn't like null strings :/ */ trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "", buf, len); } EXPORT_SYMBOL(ath10k_dbg_dump); #endif /* CONFIG_ATH10K_DEBUG */
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