| // SPDX-License-Identifier: ISC |
| /* |
| * Copyright (c) 2005-2011 Atheros Communications Inc. |
| * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. |
| * Copyright (c) 2018, The Linux Foundation. All rights reserved. |
| * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/debugfs.h> |
| #include <linux/vmalloc.h> |
| #include <linux/crc32.h> |
| #include <linux/firmware.h> |
| #include <linux/kstrtox.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->bus_param.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 = list_count_nodes(&ar->debug.fw_stats.peers); |
| num_vdevs = list_count_nodes(&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; |
| |
| if (stats.extended) |
| ar->debug.fw_stats.extended = 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); |
| } |
| |
| 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"); |
| ath10k_core_start_recovery(ar); |
| 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->bus_param.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 from 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, |
| ar->debug.reset_htt_stats, 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 17 bit masks (for now) */ |
| if (mask > HTT_STATS_BIT_MASK) |
| 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 corresponds 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_rx_crc_err_drop", /* frame with FCS error, dropped late in kernel */ |
| "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_requeued", |
| "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++] = ar->stats.rx_crc_err_drop; |
| 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_requeued; |
| 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; |
| |
| if (ar->hw_params.cal_data_len == 0) |
| return -EOPNOTSUPP; |
| |
| 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 < tpc_stats->num_tx_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 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; |
| ssize_t ret; |
| bool val; |
| u32 pdev_param; |
| |
| ret = kstrtobool_from_user(ubuf, count, &val); |
| if (ret) |
| return ret; |
| |
| if (!ar->coex_support) |
| return -EOPNOTSUPP; |
| |
| 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: %zd\n", ret); |
| ret = count; |
| goto exit; |
| } |
| } else { |
| ath10k_info(ar, "restarting firmware due to btcoex change"); |
| ath10k_core_start_recovery(ar); |
| } |
| |
| 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; |
| ssize_t ret; |
| bool val; |
| |
| ret = kstrtobool_from_user(ubuf, count, &val); |
| if (ret) |
| return ret; |
| |
| 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"); |
| |
| ath10k_core_start_recovery(ar); |
| 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; |
| ssize_t ret; |
| u32 mask; |
| |
| ret = kstrtoint_from_user(user_buf, count, 0, &mask); |
| if (ret) |
| return ret; |
| |
| ar->sta_tid_stats_mask = mask; |
| |
| return count; |
| } |
| |
| 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; |
| } |
| |
| 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, |
| }; |
| |
| static ssize_t ath10k_write_reset_htt_stats(struct file *file, |
| const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath10k *ar = file->private_data; |
| unsigned long reset; |
| int ret; |
| |
| ret = kstrtoul_from_user(user_buf, count, 0, &reset); |
| if (ret) |
| return ret; |
| |
| if (reset == 0 || reset > 0x1ffff) |
| return -EINVAL; |
| |
| mutex_lock(&ar->conf_mutex); |
| |
| ar->debug.reset_htt_stats = reset; |
| |
| ret = ath10k_debug_htt_stats_req(ar); |
| if (ret) |
| goto out; |
| |
| ar->debug.reset_htt_stats = 0; |
| ret = count; |
| |
| out: |
| mutex_unlock(&ar->conf_mutex); |
| return ret; |
| } |
| |
| static const struct file_operations fops_reset_htt_stats = { |
| .write = ath10k_write_reset_htt_stats, |
| .owner = THIS_MODULE, |
| .open = simple_open, |
| .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); |
| kfree(ar->debug.tpc_stats_final); |
| } |
| |
| 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); |
| |
| if (test_bit(WMI_SERVICE_RESET_CHIP, ar->wmi.svc_map)) |
| 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); |
| |
| debugfs_create_file("reset_htt_stats", 0200, ar->debug.debugfs_phy, ar, |
| &fops_reset_htt_stats); |
| |
| 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 */ |