diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/debug.c | 1104 |
1 files changed, 7 insertions, 1097 deletions
diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c index 62a1aa0565a9..c86de95fbdc5 100644 --- a/drivers/net/wireless/ath/ath11k/debug.c +++ b/drivers/net/wireless/ath/ath11k/debug.c @@ -6,48 +6,6 @@ #include <linux/vmalloc.h> #include "core.h" #include "debug.h" -#include "wmi.h" -#include "hal_rx.h" -#include "dp_tx.h" -#include "debug_htt_stats.h" -#include "peer.h" - -static const char *htt_bp_umac_ring[HTT_SW_UMAC_RING_IDX_MAX] = { - "REO2SW1_RING", - "REO2SW2_RING", - "REO2SW3_RING", - "REO2SW4_RING", - "WBM2REO_LINK_RING", - "REO2TCL_RING", - "REO2FW_RING", - "RELEASE_RING", - "PPE_RELEASE_RING", - "TCL2TQM_RING", - "TQM_RELEASE_RING", - "REO_RELEASE_RING", - "WBM2SW0_RELEASE_RING", - "WBM2SW1_RELEASE_RING", - "WBM2SW2_RELEASE_RING", - "WBM2SW3_RELEASE_RING", - "REO_CMD_RING", - "REO_STATUS_RING", -}; - -static const char *htt_bp_lmac_ring[HTT_SW_LMAC_RING_IDX_MAX] = { - "FW2RXDMA_BUF_RING", - "FW2RXDMA_STATUS_RING", - "FW2RXDMA_LINK_RING", - "SW2RXDMA_BUF_RING", - "WBM2RXDMA_LINK_RING", - "RXDMA2FW_RING", - "RXDMA2SW_RING", - "RXDMA2RELEASE_RING", - "RXDMA2REO_RING", - "MONITOR_STATUS_RING", - "MONITOR_BUF_RING", - "MONITOR_DESC_RING", - "MONITOR_DEST_RING", -}; void ath11k_info(struct ath11k_base *ab, const char *fmt, ...) { @@ -62,6 +20,7 @@ void ath11k_info(struct ath11k_base *ab, const char *fmt, ...) /* TODO: Trace the log */ va_end(args); } +EXPORT_SYMBOL(ath11k_info); void ath11k_err(struct ath11k_base *ab, const char *fmt, ...) { @@ -76,6 +35,7 @@ void ath11k_err(struct ath11k_base *ab, const char *fmt, ...) /* TODO: Trace the log */ va_end(args); } +EXPORT_SYMBOL(ath11k_err); void ath11k_warn(struct ath11k_base *ab, const char *fmt, ...) { @@ -90,8 +50,10 @@ void ath11k_warn(struct ath11k_base *ab, const char *fmt, ...) /* TODO: Trace the log */ va_end(args); } +EXPORT_SYMBOL(ath11k_warn); #ifdef CONFIG_ATH11K_DEBUG + void __ath11k_dbg(struct ath11k_base *ab, enum ath11k_debug_mask mask, const char *fmt, ...) { @@ -110,6 +72,7 @@ void __ath11k_dbg(struct ath11k_base *ab, enum ath11k_debug_mask mask, va_end(args); } +EXPORT_SYMBOL(__ath11k_dbg); void ath11k_dbg_dump(struct ath11k_base *ab, enum ath11k_debug_mask mask, @@ -138,1059 +101,6 @@ void ath11k_dbg_dump(struct ath11k_base *ab, } } } +EXPORT_SYMBOL(ath11k_dbg_dump); -#endif - -#ifdef CONFIG_ATH11K_DEBUGFS -static void ath11k_fw_stats_pdevs_free(struct list_head *head) -{ - struct ath11k_fw_stats_pdev *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -static void ath11k_fw_stats_vdevs_free(struct list_head *head) -{ - struct ath11k_fw_stats_vdev *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -static void ath11k_fw_stats_bcn_free(struct list_head *head) -{ - struct ath11k_fw_stats_bcn *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -static void ath11k_debug_fw_stats_reset(struct ath11k *ar) -{ - spin_lock_bh(&ar->data_lock); - ar->debug.fw_stats_done = false; - ath11k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); - ath11k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); - spin_unlock_bh(&ar->data_lock); -} - -void ath11k_debug_fw_stats_process(struct ath11k_base *ab, struct sk_buff *skb) -{ - struct ath11k_fw_stats stats = {}; - struct ath11k *ar; - struct ath11k_pdev *pdev; - bool is_end; - static unsigned int num_vdev, num_bcn; - size_t total_vdevs_started = 0; - int i, ret; - - INIT_LIST_HEAD(&stats.pdevs); - INIT_LIST_HEAD(&stats.vdevs); - INIT_LIST_HEAD(&stats.bcn); - - ret = ath11k_wmi_pull_fw_stats(ab, skb, &stats); - if (ret) { - ath11k_warn(ab, "failed to pull fw stats: %d\n", ret); - goto free; - } - - rcu_read_lock(); - ar = ath11k_mac_get_ar_by_pdev_id(ab, stats.pdev_id); - if (!ar) { - rcu_read_unlock(); - ath11k_warn(ab, "failed to get ar for pdev_id %d: %d\n", - stats.pdev_id, ret); - goto free; - } - - spin_lock_bh(&ar->data_lock); - - if (stats.stats_id == WMI_REQUEST_PDEV_STAT) { - list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); - ar->debug.fw_stats_done = true; - goto complete; - } - - if (stats.stats_id == WMI_REQUEST_VDEV_STAT) { - if (list_empty(&stats.vdevs)) { - ath11k_warn(ab, "empty vdev stats"); - goto complete; - } - /* FW sends all the active VDEV stats irrespective of PDEV, - * hence limit until the count of all VDEVs started - */ - for (i = 0; i < ab->num_radios; i++) { - pdev = rcu_dereference(ab->pdevs_active[i]); - if (pdev && pdev->ar) - total_vdevs_started += ar->num_started_vdevs; - } - - is_end = ((++num_vdev) == total_vdevs_started); - - list_splice_tail_init(&stats.vdevs, - &ar->debug.fw_stats.vdevs); - - if (is_end) { - ar->debug.fw_stats_done = true; - num_vdev = 0; - } - goto complete; - } - - if (stats.stats_id == WMI_REQUEST_BCN_STAT) { - if (list_empty(&stats.bcn)) { - ath11k_warn(ab, "empty bcn stats"); - goto complete; - } - /* Mark end until we reached the count of all started VDEVs - * within the PDEV - */ - is_end = ((++num_bcn) == ar->num_started_vdevs); - - list_splice_tail_init(&stats.bcn, - &ar->debug.fw_stats.bcn); - - if (is_end) { - ar->debug.fw_stats_done = true; - num_bcn = 0; - } - } -complete: - complete(&ar->debug.fw_stats_complete); - rcu_read_unlock(); - spin_unlock_bh(&ar->data_lock); - -free: - ath11k_fw_stats_pdevs_free(&stats.pdevs); - ath11k_fw_stats_vdevs_free(&stats.vdevs); - ath11k_fw_stats_bcn_free(&stats.bcn); -} - -static int ath11k_debug_fw_stats_request(struct ath11k *ar, - struct stats_request_params *req_param) -{ - struct ath11k_base *ab = ar->ab; - unsigned long timeout, time_left; - int ret; - - lockdep_assert_held(&ar->conf_mutex); - - /* FW stats can get split when exceeding the stats data buffer limit. - * In that case, since there is no end marking for the back-to-back - * received 'update stats' event, we keep a 3 seconds timeout in case, - * fw_stats_done is not marked yet - */ - timeout = jiffies + msecs_to_jiffies(3 * HZ); - - ath11k_debug_fw_stats_reset(ar); - - reinit_completion(&ar->debug.fw_stats_complete); - - ret = ath11k_wmi_send_stats_request_cmd(ar, req_param); - - if (ret) { - ath11k_warn(ab, "could not request fw stats (%d)\n", - ret); - return ret; - } - - time_left = - wait_for_completion_timeout(&ar->debug.fw_stats_complete, - 1 * HZ); - if (!time_left) - return -ETIMEDOUT; - - for (;;) { - if (time_after(jiffies, timeout)) - break; - - 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 ath11k_open_pdev_stats(struct inode *inode, struct file *file) -{ - struct ath11k *ar = inode->i_private; - struct ath11k_base *ab = ar->ab; - struct stats_request_params req_param; - void *buf = NULL; - int ret; - - mutex_lock(&ar->conf_mutex); - - if (ar->state != ATH11K_STATE_ON) { - ret = -ENETDOWN; - goto err_unlock; - } - - buf = vmalloc(ATH11K_FW_STATS_BUF_SIZE); - if (!buf) { - ret = -ENOMEM; - goto err_unlock; - } - - req_param.pdev_id = ar->pdev->pdev_id; - req_param.vdev_id = 0; - req_param.stats_id = WMI_REQUEST_PDEV_STAT; - - ret = ath11k_debug_fw_stats_request(ar, &req_param); - if (ret) { - ath11k_warn(ab, "failed to request fw pdev stats: %d\n", ret); - goto err_free; - } - - ath11k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, req_param.stats_id, - 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 ath11k_release_pdev_stats(struct inode *inode, struct file *file) -{ - vfree(file->private_data); - - return 0; -} - -static ssize_t ath11k_read_pdev_stats(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_pdev_stats = { - .open = ath11k_open_pdev_stats, - .release = ath11k_release_pdev_stats, - .read = ath11k_read_pdev_stats, - .owner = THIS_MODULE, - .llseek = default_llseek, -}; - -static int ath11k_open_vdev_stats(struct inode *inode, struct file *file) -{ - struct ath11k *ar = inode->i_private; - struct stats_request_params req_param; - void *buf = NULL; - int ret; - - mutex_lock(&ar->conf_mutex); - - if (ar->state != ATH11K_STATE_ON) { - ret = -ENETDOWN; - goto err_unlock; - } - - buf = vmalloc(ATH11K_FW_STATS_BUF_SIZE); - if (!buf) { - ret = -ENOMEM; - goto err_unlock; - } - - req_param.pdev_id = ar->pdev->pdev_id; - /* VDEV stats is always sent for all active VDEVs from FW */ - req_param.vdev_id = 0; - req_param.stats_id = WMI_REQUEST_VDEV_STAT; - - ret = ath11k_debug_fw_stats_request(ar, &req_param); - if (ret) { - ath11k_warn(ar->ab, "failed to request fw vdev stats: %d\n", ret); - goto err_free; - } - - ath11k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, req_param.stats_id, - 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 ath11k_release_vdev_stats(struct inode *inode, struct file *file) -{ - vfree(file->private_data); - - return 0; -} - -static ssize_t ath11k_read_vdev_stats(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_vdev_stats = { - .open = ath11k_open_vdev_stats, - .release = ath11k_release_vdev_stats, - .read = ath11k_read_vdev_stats, - .owner = THIS_MODULE, - .llseek = default_llseek, -}; - -static int ath11k_open_bcn_stats(struct inode *inode, struct file *file) -{ - struct ath11k *ar = inode->i_private; - struct ath11k_vif *arvif; - struct stats_request_params req_param; - void *buf = NULL; - int ret; - - mutex_lock(&ar->conf_mutex); - - if (ar->state != ATH11K_STATE_ON) { - ret = -ENETDOWN; - goto err_unlock; - } - - buf = vmalloc(ATH11K_FW_STATS_BUF_SIZE); - if (!buf) { - ret = -ENOMEM; - goto err_unlock; - } - - req_param.stats_id = WMI_REQUEST_BCN_STAT; - req_param.pdev_id = ar->pdev->pdev_id; - - /* loop all active VDEVs for bcn stats */ - list_for_each_entry(arvif, &ar->arvifs, list) { - if (!arvif->is_up) - continue; - - req_param.vdev_id = arvif->vdev_id; - ret = ath11k_debug_fw_stats_request(ar, &req_param); - if (ret) { - ath11k_warn(ar->ab, "failed to request fw bcn stats: %d\n", ret); - goto err_free; - } - } - - ath11k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, req_param.stats_id, - buf); - - /* since beacon stats request is looped for all active VDEVs, saved fw - * stats is not freed for each request until done for all active VDEVs - */ - spin_lock_bh(&ar->data_lock); - ath11k_fw_stats_bcn_free(&ar->debug.fw_stats.bcn); - spin_unlock_bh(&ar->data_lock); - - 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 ath11k_release_bcn_stats(struct inode *inode, struct file *file) -{ - vfree(file->private_data); - - return 0; -} - -static ssize_t ath11k_read_bcn_stats(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_bcn_stats = { - .open = ath11k_open_bcn_stats, - .release = ath11k_release_bcn_stats, - .read = ath11k_read_bcn_stats, - .owner = THIS_MODULE, - .llseek = default_llseek, -}; - -static ssize_t ath11k_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" - "`assert` - this will send WMI_FORCE_FW_HANG_CMDID to firmware to cause assert.\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 ath11k_write_simulate_fw_crash(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath11k_base *ab = file->private_data; - struct ath11k_pdev *pdev; - struct ath11k *ar = ab->pdevs[0].ar; - char buf[32] = {0}; - ssize_t rc; - int i, ret, radioup = 0; - - for (i = 0; i < ab->num_radios; i++) { - pdev = &ab->pdevs[i]; - ar = pdev->ar; - if (ar && ar->state == ATH11K_STATE_ON) { - radioup = 1; - break; - } - } - /* 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'; - - if (radioup == 0) { - ret = -ENETDOWN; - goto exit; - } - - if (!strcmp(buf, "assert")) { - ath11k_info(ab, "simulating firmware assert crash\n"); - ret = ath11k_wmi_force_fw_hang_cmd(ar, - ATH11K_WMI_FW_HANG_ASSERT_TYPE, - ATH11K_WMI_FW_HANG_DELAY); - } else { - ret = -EINVAL; - goto exit; - } - - if (ret) { - ath11k_warn(ab, "failed to simulate firmware crash: %d\n", ret); - goto exit; - } - - ret = count; - -exit: - return ret; -} - -static const struct file_operations fops_simulate_fw_crash = { - .read = ath11k_read_simulate_fw_crash, - .write = ath11k_write_simulate_fw_crash, - .open = simple_open, - .owner = THIS_MODULE, - .llseek = default_llseek, -}; - -static ssize_t ath11k_write_enable_extd_tx_stats(struct file *file, - const char __user *ubuf, - size_t count, loff_t *ppos) -{ - struct ath11k *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 != ATH11K_STATE_ON) { - ret = -ENETDOWN; - goto out; - } - - if (filter == ar->debug.extd_tx_stats) { - ret = count; - goto out; - } - - ar->debug.extd_tx_stats = filter; - ret = count; - -out: - mutex_unlock(&ar->conf_mutex); - return ret; -} - -static ssize_t ath11k_read_enable_extd_tx_stats(struct file *file, - char __user *ubuf, - size_t count, loff_t *ppos) - -{ - char buf[32] = {0}; - struct ath11k *ar = file->private_data; - int len = 0; - - mutex_lock(&ar->conf_mutex); - len = scnprintf(buf, sizeof(buf) - len, "%08x\n", - ar->debug.extd_tx_stats); - mutex_unlock(&ar->conf_mutex); - - return simple_read_from_buffer(ubuf, count, ppos, buf, len); -} - -static const struct file_operations fops_extd_tx_stats = { - .read = ath11k_read_enable_extd_tx_stats, - .write = ath11k_write_enable_extd_tx_stats, - .open = simple_open -}; - -static ssize_t ath11k_write_extd_rx_stats(struct file *file, - const char __user *ubuf, - size_t count, loff_t *ppos) -{ - struct ath11k *ar = file->private_data; - struct htt_rx_ring_tlv_filter tlv_filter = {0}; - u32 enable, rx_filter = 0, ring_id; - int ret; - - if (kstrtouint_from_user(ubuf, count, 0, &enable)) - return -EINVAL; - - mutex_lock(&ar->conf_mutex); - - if (ar->state != ATH11K_STATE_ON) { - ret = -ENETDOWN; - goto exit; - } - - if (enable > 1) { - ret = -EINVAL; - goto exit; - } - - if (enable == ar->debug.extd_rx_stats) { - ret = count; - goto exit; - } - - if (enable) { - rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START; - rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_START; - rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END; - rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END_USER_STATS; - rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END_USER_STATS_EXT; - rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE; - - tlv_filter.rx_filter = rx_filter; - tlv_filter.pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0; - tlv_filter.pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1; - tlv_filter.pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2; - tlv_filter.pkt_filter_flags3 = HTT_RX_FP_CTRL_FILTER_FLASG3 | - HTT_RX_FP_DATA_FILTER_FLASG3; - } else { - tlv_filter = ath11k_mac_mon_status_filter_default; - } - - ar->debug.rx_filter = tlv_filter.rx_filter; - - ring_id = ar->dp.rx_mon_status_refill_ring.refill_buf_ring.ring_id; - ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, ar->dp.mac_id, - HAL_RXDMA_MONITOR_STATUS, - DP_RX_BUFFER_SIZE, &tlv_filter); - - if (ret) { - ath11k_warn(ar->ab, "failed to set rx filter for monitor status ring\n"); - goto exit; - } - - ar->debug.extd_rx_stats = enable; - ret = count; -exit: - mutex_unlock(&ar->conf_mutex); - return ret; -} - -static ssize_t ath11k_read_extd_rx_stats(struct file *file, - char __user *ubuf, - size_t count, loff_t *ppos) -{ - struct ath11k *ar = file->private_data; - char buf[32]; - int len = 0; - - mutex_lock(&ar->conf_mutex); - len = scnprintf(buf, sizeof(buf) - len, "%d\n", - ar->debug.extd_rx_stats); - mutex_unlock(&ar->conf_mutex); - - return simple_read_from_buffer(ubuf, count, ppos, buf, len); -} - -static const struct file_operations fops_extd_rx_stats = { - .read = ath11k_read_extd_rx_stats, - .write = ath11k_write_extd_rx_stats, - .open = simple_open, -}; - -static int ath11k_fill_bp_stats(struct ath11k_base *ab, - struct ath11k_bp_stats *bp_stats, - char *buf, int len, int size) -{ - lockdep_assert_held(&ab->base_lock); - - len += scnprintf(buf + len, size - len, "count: %u\n", - bp_stats->count); - len += scnprintf(buf + len, size - len, "hp: %u\n", - bp_stats->hp); - len += scnprintf(buf + len, size - len, "tp: %u\n", - bp_stats->tp); - len += scnprintf(buf + len, size - len, "seen before: %ums\n\n", - jiffies_to_msecs(jiffies - bp_stats->jiffies)); - return len; -} - -static ssize_t ath11k_debug_dump_soc_ring_bp_stats(struct ath11k_base *ab, - char *buf, int size) -{ - struct ath11k_bp_stats *bp_stats; - bool stats_rxd = false; - u8 i, pdev_idx; - int len = 0; - - len += scnprintf(buf + len, size - len, "\nBackpressure Stats\n"); - len += scnprintf(buf + len, size - len, "==================\n"); - - spin_lock_bh(&ab->base_lock); - for (i = 0; i < HTT_SW_UMAC_RING_IDX_MAX; i++) { - bp_stats = &ab->soc_stats.bp_stats.umac_ring_bp_stats[i]; - - if (!bp_stats->count) - continue; - - len += scnprintf(buf + len, size - len, "Ring: %s\n", - htt_bp_umac_ring[i]); - len = ath11k_fill_bp_stats(ab, bp_stats, buf, len, size); - stats_rxd = true; - } - - for (i = 0; i < HTT_SW_LMAC_RING_IDX_MAX; i++) { - for (pdev_idx = 0; pdev_idx < MAX_RADIOS; pdev_idx++) { - bp_stats = - &ab->soc_stats.bp_stats.lmac_ring_bp_stats[i][pdev_idx]; - - if (!bp_stats->count) - continue; - - len += scnprintf(buf + len, size - len, "Ring: %s\n", - htt_bp_lmac_ring[i]); - len += scnprintf(buf + len, size - len, "pdev: %d\n", - pdev_idx); - len = ath11k_fill_bp_stats(ab, bp_stats, buf, len, size); - stats_rxd = true; - } - } - spin_unlock_bh(&ab->base_lock); - - if (!stats_rxd) - len += scnprintf(buf + len, size - len, - "No Ring Backpressure stats received\n\n"); - - return len; -} - -static ssize_t ath11k_debug_dump_soc_dp_stats(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath11k_base *ab = file->private_data; - struct ath11k_soc_dp_stats *soc_stats = &ab->soc_stats; - int len = 0, i, retval; - const int size = 4096; - static const char *rxdma_err[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX] = { - "Overflow", "MPDU len", "FCS", "Decrypt", "TKIP MIC", - "Unencrypt", "MSDU len", "MSDU limit", "WiFi parse", - "AMSDU parse", "SA timeout", "DA timeout", - "Flow timeout", "Flush req"}; - static const char *reo_err[HAL_REO_DEST_RING_ERROR_CODE_MAX] = { - "Desc addr zero", "Desc inval", "AMPDU in non BA", - "Non BA dup", "BA dup", "Frame 2k jump", "BAR 2k jump", - "Frame OOR", "BAR OOR", "No BA session", - "Frame SN equal SSN", "PN check fail", "2k err", - "PN err", "Desc blocked"}; - - char *buf; - - buf = kzalloc(size, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - len += scnprintf(buf + len, size - len, "SOC RX STATS:\n\n"); - len += scnprintf(buf + len, size - len, "err ring pkts: %u\n", - soc_stats->err_ring_pkts); - len += scnprintf(buf + len, size - len, "Invalid RBM: %u\n\n", - soc_stats->invalid_rbm); - len += scnprintf(buf + len, size - len, "RXDMA errors:\n"); - for (i = 0; i < HAL_REO_ENTR_RING_RXDMA_ECODE_MAX; i++) - len += scnprintf(buf + len, size - len, "%s: %u\n", - rxdma_err[i], soc_stats->rxdma_error[i]); - - len += scnprintf(buf + len, size - len, "\nREO errors:\n"); - for (i = 0; i < HAL_REO_DEST_RING_ERROR_CODE_MAX; i++) - len += scnprintf(buf + len, size - len, "%s: %u\n", - reo_err[i], soc_stats->reo_error[i]); - - len += scnprintf(buf + len, size - len, "\nHAL REO errors:\n"); - len += scnprintf(buf + len, size - len, - "ring0: %u\nring1: %u\nring2: %u\nring3: %u\n", - soc_stats->hal_reo_error[0], - soc_stats->hal_reo_error[1], - soc_stats->hal_reo_error[2], - soc_stats->hal_reo_error[3]); - - len += scnprintf(buf + len, size - len, "\nSOC TX STATS:\n"); - len += scnprintf(buf + len, size - len, "\nTCL Ring Full Failures:\n"); - - for (i = 0; i < DP_TCL_NUM_RING_MAX; i++) - len += scnprintf(buf + len, size - len, "ring%d: %u\n", - i, soc_stats->tx_err.desc_na[i]); - - len += scnprintf(buf + len, size - len, - "\nMisc Transmit Failures: %d\n", - atomic_read(&soc_stats->tx_err.misc_fail)); - - len += ath11k_debug_dump_soc_ring_bp_stats(ab, buf + len, size - len); - - 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_soc_dp_stats = { - .read = ath11k_debug_dump_soc_dp_stats, - .open = simple_open, - .owner = THIS_MODULE, - .llseek = default_llseek, -}; - -int ath11k_debug_pdev_create(struct ath11k_base *ab) -{ - if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) - return 0; - - ab->debugfs_soc = debugfs_create_dir(ab->hw_params.name, ab->debugfs_ath11k); - - if (IS_ERR_OR_NULL(ab->debugfs_soc)) { - if (IS_ERR(ab->debugfs_soc)) - return PTR_ERR(ab->debugfs_soc); - return -ENOMEM; - } - - debugfs_create_file("simulate_fw_crash", 0600, ab->debugfs_soc, ab, - &fops_simulate_fw_crash); - - debugfs_create_file("soc_dp_stats", 0600, ab->debugfs_soc, ab, - &fops_soc_dp_stats); - - return 0; -} - -void ath11k_debug_pdev_destroy(struct ath11k_base *ab) -{ - debugfs_remove_recursive(ab->debugfs_ath11k); - ab->debugfs_ath11k = NULL; -} - -int ath11k_debug_soc_create(struct ath11k_base *ab) -{ - ab->debugfs_ath11k = debugfs_create_dir("ath11k", NULL); - - if (IS_ERR_OR_NULL(ab->debugfs_ath11k)) { - if (IS_ERR(ab->debugfs_ath11k)) - return PTR_ERR(ab->debugfs_ath11k); - return -ENOMEM; - } - - return 0; -} - -void ath11k_debug_soc_destroy(struct ath11k_base *ab) -{ - debugfs_remove_recursive(ab->debugfs_soc); - ab->debugfs_soc = NULL; -} - -void ath11k_debug_fw_stats_init(struct ath11k *ar) -{ - struct dentry *fwstats_dir = debugfs_create_dir("fw_stats", - ar->debug.debugfs_pdev); - - ar->debug.fw_stats.debugfs_fwstats = fwstats_dir; - - /* all stats debugfs files created are under "fw_stats" directory - * created per PDEV - */ - debugfs_create_file("pdev_stats", 0600, fwstats_dir, ar, - &fops_pdev_stats); - debugfs_create_file("vdev_stats", 0600, fwstats_dir, ar, - &fops_vdev_stats); - debugfs_create_file("beacon_stats", 0600, fwstats_dir, ar, - &fops_bcn_stats); - - INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); - INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs); - INIT_LIST_HEAD(&ar->debug.fw_stats.bcn); - - init_completion(&ar->debug.fw_stats_complete); -} - -static ssize_t ath11k_write_pktlog_filter(struct file *file, - const char __user *ubuf, - size_t count, loff_t *ppos) -{ - struct ath11k *ar = file->private_data; - struct htt_rx_ring_tlv_filter tlv_filter = {0}; - u32 rx_filter = 0, ring_id, filter, mode; - u8 buf[128] = {0}; - int ret; - ssize_t rc; - - mutex_lock(&ar->conf_mutex); - if (ar->state != ATH11K_STATE_ON) { - ret = -ENETDOWN; - goto out; - } - - rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, ubuf, count); - if (rc < 0) { - ret = rc; - goto out; - } - buf[rc] = '\0'; - - ret = sscanf(buf, "0x%x %u", &filter, &mode); - if (ret != 2) { - ret = -EINVAL; - goto out; - } - - if (filter) { - ret = ath11k_wmi_pdev_pktlog_enable(ar, filter); - if (ret) { - ath11k_warn(ar->ab, - "failed to enable pktlog filter %x: %d\n", - ar->debug.pktlog_filter, ret); - goto out; - } - } else { - ret = ath11k_wmi_pdev_pktlog_disable(ar); - if (ret) { - ath11k_warn(ar->ab, "failed to disable pktlog: %d\n", ret); - goto out; - } - } - -#define HTT_RX_FILTER_TLV_LITE_MODE \ - (HTT_RX_FILTER_TLV_FLAGS_PPDU_START | \ - HTT_RX_FILTER_TLV_FLAGS_PPDU_END | \ - HTT_RX_FILTER_TLV_FLAGS_PPDU_END_USER_STATS | \ - HTT_RX_FILTER_TLV_FLAGS_PPDU_END_USER_STATS_EXT | \ - HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE | \ - HTT_RX_FILTER_TLV_FLAGS_MPDU_START) - - if (mode == ATH11K_PKTLOG_MODE_FULL) { - rx_filter = HTT_RX_FILTER_TLV_LITE_MODE | - HTT_RX_FILTER_TLV_FLAGS_MSDU_START | - HTT_RX_FILTER_TLV_FLAGS_MSDU_END | - HTT_RX_FILTER_TLV_FLAGS_MPDU_END | - HTT_RX_FILTER_TLV_FLAGS_PACKET_HEADER | - HTT_RX_FILTER_TLV_FLAGS_ATTENTION; - } else if (mode == ATH11K_PKTLOG_MODE_LITE) { - ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar, - HTT_PPDU_STATS_TAG_PKTLOG); - if (ret) { - ath11k_err(ar->ab, "failed to enable pktlog lite: %d\n", ret); - goto out; - } - - rx_filter = HTT_RX_FILTER_TLV_LITE_MODE; - } else { - ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar, - HTT_PPDU_STATS_TAG_DEFAULT); - if (ret) { - ath11k_err(ar->ab, "failed to send htt ppdu stats req: %d\n", - ret); - goto out; - } - } - - tlv_filter.rx_filter = rx_filter; - if (rx_filter) { - tlv_filter.pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0; - tlv_filter.pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1; - tlv_filter.pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2; - tlv_filter.pkt_filter_flags3 = HTT_RX_FP_CTRL_FILTER_FLASG3 | - HTT_RX_FP_DATA_FILTER_FLASG3; - } - - ring_id = ar->dp.rx_mon_status_refill_ring.refill_buf_ring.ring_id; - ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, ar->dp.mac_id, - HAL_RXDMA_MONITOR_STATUS, - DP_RX_BUFFER_SIZE, &tlv_filter); - if (ret) { - ath11k_warn(ar->ab, "failed to set rx filter for monitor status ring\n"); - goto out; - } - - ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "pktlog filter %d mode %s\n", - filter, ((mode == ATH11K_PKTLOG_MODE_FULL) ? "full" : "lite")); - - ar->debug.pktlog_filter = filter; - ar->debug.pktlog_mode = mode; - ret = count; - -out: - mutex_unlock(&ar->conf_mutex); - return ret; -} - -static ssize_t ath11k_read_pktlog_filter(struct file *file, - char __user *ubuf, - size_t count, loff_t *ppos) - -{ - char buf[32] = {0}; - struct ath11k *ar = file->private_data; - int len = 0; - - mutex_lock(&ar->conf_mutex); - len = scnprintf(buf, sizeof(buf) - len, "%08x %08x\n", - ar->debug.pktlog_filter, - ar->debug.pktlog_mode); - mutex_unlock(&ar->conf_mutex); - - return simple_read_from_buffer(ubuf, count, ppos, buf, len); -} - -static const struct file_operations fops_pktlog_filter = { - .read = ath11k_read_pktlog_filter, - .write = ath11k_write_pktlog_filter, - .open = simple_open -}; - -static ssize_t ath11k_write_simulate_radar(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath11k *ar = file->private_data; - int ret; - - ret = ath11k_wmi_simulate_radar(ar); - if (ret) - return ret; - - return count; -} - -static const struct file_operations fops_simulate_radar = { - .write = ath11k_write_simulate_radar, - .open = simple_open -}; - -int ath11k_debug_register(struct ath11k *ar) -{ - struct ath11k_base *ab = ar->ab; - char pdev_name[5]; - char buf[100] = {0}; - - snprintf(pdev_name, sizeof(pdev_name), "%s%d", "mac", ar->pdev_idx); - - ar->debug.debugfs_pdev = debugfs_create_dir(pdev_name, ab->debugfs_soc); - - if (IS_ERR_OR_NULL(ar->debug.debugfs_pdev)) { - if (IS_ERR(ar->debug.debugfs_pdev)) - return PTR_ERR(ar->debug.debugfs_pdev); - - return -ENOMEM; - } - - /* Create a symlink under ieee80211/phy* */ - snprintf(buf, 100, "../../ath11k/%pd2", ar->debug.debugfs_pdev); - debugfs_create_symlink("ath11k", ar->hw->wiphy->debugfsdir, buf); - - ath11k_debug_htt_stats_init(ar); - - ath11k_debug_fw_stats_init(ar); - - debugfs_create_file("ext_tx_stats", 0644, - ar->debug.debugfs_pdev, ar, - &fops_extd_tx_stats); - debugfs_create_file("ext_rx_stats", 0644, - ar->debug.debugfs_pdev, ar, - &fops_extd_rx_stats); - debugfs_create_file("pktlog_filter", 0644, - ar->debug.debugfs_pdev, ar, - &fops_pktlog_filter); - - if (ar->hw->wiphy->bands[NL80211_BAND_5GHZ]) { - debugfs_create_file("dfs_simulate_radar", 0200, - ar->debug.debugfs_pdev, ar, - &fops_simulate_radar); - debugfs_create_bool("dfs_block_radar_events", 0200, - ar->debug.debugfs_pdev, - &ar->dfs_block_radar_events); - } - - return 0; -} - -void ath11k_debug_unregister(struct ath11k *ar) -{ -} -#endif /* CONFIG_ATH11K_DEBUGFS */ +#endif /* CONFIG_ATH11K_DEBUG */ |