[PATCH ath-next 3/3] wifi: ath12k: print device dp stats in debugfs
Mahendran P
quic_mahep at quicinc.com
Mon Apr 28 21:41:23 PDT 2025
On 4/25/2025 6:58 AM, Nithyanantham Paramasivam wrote:
> From: Vinith Kumar R <quic_vinithku at quicinc.com>
>
> Print the data path related device specific stats in debugfs.
> These device_dp_stats are exposed in the ath12k debugfs directory.
>
> Output of device_dp_stats:
> root at CDCWLEX0799743-LIN:/home/qctest#
> cat /sys/kernel/debug/ath12k/pci-0000\:58\:00.0/device_dp_stats
> DEVICE RX STATS:
>
> err ring pkts: 0
> Invalid RBM: 0
>
> RXDMA errors:
> Overflow: 0
> MPDU len: 0
> FCS: 0
> Decrypt: 0
> TKIP MIC: 0
> Unencrypt: 0
> MSDU len: 0
> MSDU limit: 0
> WiFi parse: 0
> AMSDU parse: 0
> SA timeout: 0
> DA timeout: 0
> Flow timeout: 0
> Flush req: 0
> AMSDU frag: 0
> Multicast echo: 0
> AMSDU mismatch: 0
> Unauth WDS: 0
> AMSDU or WDS: 0
>
> REO errors:
> Desc addr zero: 0
> Desc inval: 0
> AMPDU in non BA: 0
> Non BA dup: 0
> BA dup: 0
> Frame 2k jump: 0
> BAR 2k jump: 0
> Frame OOR: 155
> BAR OOR: 0
> No BA session: 0
> Frame SN equal SSN: 0
> PN check fail: 0
> 2k err: 0
> PN err: 0
> Desc blocked: 0
>
> HAL REO errors:
> ring0: 0
> ring1: 0
> ring2: 0
> ring3: 0
> ring4: 0
> ring5: 0
> ring6: 0
> ring7: 0
>
> DEVICE TX STATS:
>
> TCL Ring Full Failures:
> ring0: 0
> ring1: 0
> ring2: 0
> ring3: 0
>
> Misc Transmit Failures: 0
>
> tx_wbm_rel_source: 0:986 1:0 2:0 3:57 4:0
>
> tqm_rel_reason: 0:1043 1:0 2:0 3:0 4:0 5:0 6:0 7:0 8:0 9:0 10:0 11:0 12:0 13:0 14:0
>
> fw_tx_status: 0:57 1:0 2:0 3:0 4:0 5:0 6:0
>
> tx_enqueued: 0:329 1:145 2:464 3:105
>
> tx_completed: 0:329 1:145 2:464 3:105
>
> radio0 tx_pending: 0
>
> REO Rx Received:
> Ring1: 0:201 1:0 2:0
> Ring2: 0:0 1:0 2:0
> Ring3: 0:6152 1:0 2:0
> Ring4: 0:9 1:0 2:0
> Ring5: 0:0 1:0 2:0
> Ring6: 0:0 1:0 2:0
> Ring7: 0:0 1:0 2:0
> Ring8: 0:0 1:0 2:0
>
> Rx WBM REL SRC Errors:
> TQM: 0:0 1:0 2:0
> Rxdma: 0:0 1:0 2:0
> Reo: 0:155 1:0 2:0
> FW: 0:0 1:0 2:0
> SW: 0:0 1:0 2:0
>
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
>
> Signed-off-by: Vinith Kumar R <quic_vinithku at quicinc.com>
> Signed-off-by: Nithyanantham Paramasivam <nithyanantham.paramasivam at oss.qualcomm.com>
> ---
> drivers/net/wireless/ath/ath12k/core.c | 2 +
> drivers/net/wireless/ath/ath12k/debugfs.c | 199 +++++++++++++++++++++-
> 2 files changed, 195 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c
> index 2cfeb853289d..5203d94c8b10 100644
> --- a/drivers/net/wireless/ath/ath12k/core.c
> +++ b/drivers/net/wireless/ath/ath12k/core.c
> @@ -789,6 +789,8 @@ static int ath12k_core_soc_create(struct ath12k_base *ab)
> goto err_qmi_deinit;
> }
>
> + ath12k_debugfs_pdev_create(ab);
> +
> return 0;
>
> err_qmi_deinit:
> diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c
> index 1f0983c33885..dd624d73b8b2 100644
> --- a/drivers/net/wireless/ath/ath12k/debugfs.c
> +++ b/drivers/net/wireless/ath/ath12k/debugfs.c
> @@ -103,12 +103,6 @@ static const struct file_operations fops_simulate_fw_crash = {
> .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);
> -}
> -
> static ssize_t ath12k_write_tpc_stats_type(struct file *file,
> const char __user *user_buf,
> size_t count, loff_t *ppos)
> @@ -1027,6 +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;
Reviewed-by: Mahendran P <quic_mahep at quicinc.com>
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