diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/debugfs.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c index bab7be9c5a38..dd624d73b8b2 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.c +++ b/drivers/net/wireless/ath/ath12k/debugfs.c @@ -33,6 +33,76 @@ static const struct file_operations fops_simulate_radar = { .open = simple_open }; +static ssize_t ath12k_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` - send WMI_FORCE_FW_HANG_CMDID to firmware to cause assert.\n"; + + return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); +} + +static ssize_t +ath12k_write_simulate_fw_crash(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath12k_base *ab = file->private_data; + struct ath12k_pdev *pdev; + struct ath12k *ar = NULL; + char buf[32] = {0}; + int i, ret; + ssize_t rc; + + /* 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'; + + for (i = 0; i < ab->num_radios; i++) { + pdev = &ab->pdevs[i]; + ar = pdev->ar; + if (ar) + break; + } + + if (!ar) + return -ENETDOWN; + + if (!strcmp(buf, "assert")) { + ath12k_info(ab, "simulating firmware assert crash\n"); + ret = ath12k_wmi_force_fw_hang_cmd(ar, + ATH12K_WMI_FW_HANG_ASSERT_TYPE, + ATH12K_WMI_FW_HANG_DELAY); + } else { + return -EINVAL; + } + + if (ret) { + ath12k_warn(ab, "failed to simulate firmware crash: %d\n", ret); + return ret; + } + + return count; +} + +static const struct file_operations fops_simulate_fw_crash = { + .read = ath12k_read_simulate_fw_crash, + .write = ath12k_write_simulate_fw_crash, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static ssize_t ath12k_write_tpc_stats_type(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -951,6 +1021,199 @@ void ath12k_debugfs_op_vif_add(struct ieee80211_hw *hw, &ath12k_fops_link_stats); } +static ssize_t ath12k_debugfs_dump_device_dp_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath12k_base *ab = file->private_data; + struct ath12k_device_dp_stats *device_stats = &ab->device_stats; + int len = 0, i, j, ret; + struct ath12k *ar; + const int size = 4096; + static const char *rxdma_err[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX] = { + [HAL_REO_ENTR_RING_RXDMA_ECODE_OVERFLOW_ERR] = "Overflow", + [HAL_REO_ENTR_RING_RXDMA_ECODE_MPDU_LEN_ERR] = "MPDU len", + [HAL_REO_ENTR_RING_RXDMA_ECODE_FCS_ERR] = "FCS", + [HAL_REO_ENTR_RING_RXDMA_ECODE_DECRYPT_ERR] = "Decrypt", + [HAL_REO_ENTR_RING_RXDMA_ECODE_TKIP_MIC_ERR] = "TKIP MIC", + [HAL_REO_ENTR_RING_RXDMA_ECODE_UNECRYPTED_ERR] = "Unencrypt", + [HAL_REO_ENTR_RING_RXDMA_ECODE_MSDU_LEN_ERR] = "MSDU len", + [HAL_REO_ENTR_RING_RXDMA_ECODE_MSDU_LIMIT_ERR] = "MSDU limit", + [HAL_REO_ENTR_RING_RXDMA_ECODE_WIFI_PARSE_ERR] = "WiFi parse", + [HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_PARSE_ERR] = "AMSDU parse", + [HAL_REO_ENTR_RING_RXDMA_ECODE_SA_TIMEOUT_ERR] = "SA timeout", + [HAL_REO_ENTR_RING_RXDMA_ECODE_DA_TIMEOUT_ERR] = "DA timeout", + [HAL_REO_ENTR_RING_RXDMA_ECODE_FLOW_TIMEOUT_ERR] = "Flow timeout", + [HAL_REO_ENTR_RING_RXDMA_ECODE_FLUSH_REQUEST_ERR] = "Flush req", + [HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_FRAG_ERR] = "AMSDU frag", + [HAL_REO_ENTR_RING_RXDMA_ECODE_MULTICAST_ECHO_ERR] = "Multicast echo", + [HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_MISMATCH_ERR] = "AMSDU mismatch", + [HAL_REO_ENTR_RING_RXDMA_ECODE_UNAUTH_WDS_ERR] = "Unauth WDS", + [HAL_REO_ENTR_RING_RXDMA_ECODE_GRPCAST_AMSDU_WDS_ERR] = "AMSDU or WDS"}; + + static const char *reo_err[HAL_REO_DEST_RING_ERROR_CODE_MAX] = { + [HAL_REO_DEST_RING_ERROR_CODE_DESC_ADDR_ZERO] = "Desc addr zero", + [HAL_REO_DEST_RING_ERROR_CODE_DESC_INVALID] = "Desc inval", + [HAL_REO_DEST_RING_ERROR_CODE_AMPDU_IN_NON_BA] = "AMPDU in non BA", + [HAL_REO_DEST_RING_ERROR_CODE_NON_BA_DUPLICATE] = "Non BA dup", + [HAL_REO_DEST_RING_ERROR_CODE_BA_DUPLICATE] = "BA dup", + [HAL_REO_DEST_RING_ERROR_CODE_FRAME_2K_JUMP] = "Frame 2k jump", + [HAL_REO_DEST_RING_ERROR_CODE_BAR_2K_JUMP] = "BAR 2k jump", + [HAL_REO_DEST_RING_ERROR_CODE_FRAME_OOR] = "Frame OOR", + [HAL_REO_DEST_RING_ERROR_CODE_BAR_OOR] = "BAR OOR", + [HAL_REO_DEST_RING_ERROR_CODE_NO_BA_SESSION] = "No BA session", + [HAL_REO_DEST_RING_ERROR_CODE_FRAME_SN_EQUALS_SSN] = "Frame SN equal SSN", + [HAL_REO_DEST_RING_ERROR_CODE_PN_CHECK_FAILED] = "PN check fail", + [HAL_REO_DEST_RING_ERROR_CODE_2K_ERR_FLAG_SET] = "2k err", + [HAL_REO_DEST_RING_ERROR_CODE_PN_ERR_FLAG_SET] = "PN err", + [HAL_REO_DEST_RING_ERROR_CODE_DESC_BLOCKED] = "Desc blocked"}; + + static const char *wbm_rel_src[HAL_WBM_REL_SRC_MODULE_MAX] = { + [HAL_WBM_REL_SRC_MODULE_TQM] = "TQM", + [HAL_WBM_REL_SRC_MODULE_RXDMA] = "Rxdma", + [HAL_WBM_REL_SRC_MODULE_REO] = "Reo", + [HAL_WBM_REL_SRC_MODULE_FW] = "FW", + [HAL_WBM_REL_SRC_MODULE_SW] = "SW"}; + + char *buf __free(kfree) = kzalloc(size, GFP_KERNEL); + + if (!buf) + return -ENOMEM; + + len += scnprintf(buf + len, size - len, "DEVICE RX STATS:\n\n"); + len += scnprintf(buf + len, size - len, "err ring pkts: %u\n", + device_stats->err_ring_pkts); + len += scnprintf(buf + len, size - len, "Invalid RBM: %u\n\n", + device_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], device_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], device_stats->reo_error[i]); + + len += scnprintf(buf + len, size - len, "\nHAL REO errors:\n"); + + for (i = 0; i < DP_REO_DST_RING_MAX; i++) + len += scnprintf(buf + len, size - len, + "ring%d: %u\n", i, + device_stats->hal_reo_error[i]); + + len += scnprintf(buf + len, size - len, "\nDEVICE 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, device_stats->tx_err.desc_na[i]); + + len += scnprintf(buf + len, size - len, + "\nMisc Transmit Failures: %d\n", + atomic_read(&device_stats->tx_err.misc_fail)); + + len += scnprintf(buf + len, size - len, "\ntx_wbm_rel_source:"); + + for (i = 0; i < HAL_WBM_REL_SRC_MODULE_MAX; i++) + len += scnprintf(buf + len, size - len, " %d:%u", + i, device_stats->tx_wbm_rel_source[i]); + + len += scnprintf(buf + len, size - len, "\n"); + + len += scnprintf(buf + len, size - len, "\ntqm_rel_reason:"); + + for (i = 0; i < MAX_TQM_RELEASE_REASON; i++) + len += scnprintf(buf + len, size - len, " %d:%u", + i, device_stats->tqm_rel_reason[i]); + + len += scnprintf(buf + len, size - len, "\n"); + + len += scnprintf(buf + len, size - len, "\nfw_tx_status:"); + + for (i = 0; i < MAX_FW_TX_STATUS; i++) + len += scnprintf(buf + len, size - len, " %d:%u", + i, device_stats->fw_tx_status[i]); + + len += scnprintf(buf + len, size - len, "\n"); + + len += scnprintf(buf + len, size - len, "\ntx_enqueued:"); + + for (i = 0; i < DP_TCL_NUM_RING_MAX; i++) + len += scnprintf(buf + len, size - len, " %d:%u", i, + device_stats->tx_enqueued[i]); + + len += scnprintf(buf + len, size - len, "\n"); + + len += scnprintf(buf + len, size - len, "\ntx_completed:"); + + for (i = 0; i < DP_TCL_NUM_RING_MAX; i++) + len += scnprintf(buf + len, size - len, " %d:%u", + i, device_stats->tx_completed[i]); + + len += scnprintf(buf + len, size - len, "\n"); + + for (i = 0; i < ab->num_radios; i++) { + ar = ath12k_mac_get_ar_by_pdev_id(ab, DP_SW2HW_MACID(i)); + if (ar) { + len += scnprintf(buf + len, size - len, + "\nradio%d tx_pending: %u\n", i, + atomic_read(&ar->dp.num_tx_pending)); + } + } + + len += scnprintf(buf + len, size - len, "\nREO Rx Received:\n"); + + for (i = 0; i < DP_REO_DST_RING_MAX; i++) { + len += scnprintf(buf + len, size - len, "Ring%d:", i + 1); + + for (j = 0; j < ATH12K_MAX_DEVICES; j++) { + len += scnprintf(buf + len, size - len, + "\t%d:%u", j, + device_stats->reo_rx[i][j]); + } + + len += scnprintf(buf + len, size - len, "\n"); + } + + len += scnprintf(buf + len, size - len, "\nRx WBM REL SRC Errors:\n"); + + for (i = 0; i < HAL_WBM_REL_SRC_MODULE_MAX; i++) { + len += scnprintf(buf + len, size - len, "%s:", wbm_rel_src[i]); + + for (j = 0; j < ATH12K_MAX_DEVICES; j++) { + len += scnprintf(buf + len, + size - len, + "\t%d:%u", j, + device_stats->rx_wbm_rel_source[i][j]); + } + + len += scnprintf(buf + len, size - len, "\n"); + } + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + return ret; +} + +static const struct file_operations fops_device_dp_stats = { + .read = ath12k_debugfs_dump_device_dp_stats, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +void ath12k_debugfs_pdev_create(struct ath12k_base *ab) +{ + debugfs_create_file("simulate_fw_crash", 0600, ab->debugfs_soc, ab, + &fops_simulate_fw_crash); + + debugfs_create_file("device_dp_stats", 0400, ab->debugfs_soc, ab, + &fops_device_dp_stats); +} + void ath12k_debugfs_soc_create(struct ath12k_base *ab) { bool dput_needed; |