wifi: ath12k: Add device dp stats support

Add support for data path related device specific stats. This
information helps to debug connectivity and performance issues
in AP, STA, and Mesh modes.

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@quicinc.com>
Signed-off-by: Nithyanantham Paramasivam <nithyanantham.paramasivam@oss.qualcomm.com>
Reviewed-by: Mahendran P <quic_mahep@quicinc.com>
Link: https://patch.msgid.link/20250425012802.698914-3-nithyanantham.paramasivam@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index 347ab6a0e39c71e11fe3b39b05240721ec1e97fb..f9d7e7d4fce0c286ae97e023381a90e936112807 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/core.h
+++ b/drivers/net/wireless/ath/ath12k/core.h
@@ -920,6 +920,13 @@ struct ath12k_device_dp_stats {
        u32 reo_error[HAL_REO_DEST_RING_ERROR_CODE_MAX];
        u32 hal_reo_error[DP_REO_DST_RING_MAX];
        struct ath12k_device_dp_tx_err_stats tx_err;
+       u32 reo_rx[DP_REO_DST_RING_MAX][ATH12K_MAX_DEVICES];
+       u32 rx_wbm_rel_source[HAL_WBM_REL_SRC_MODULE_MAX][ATH12K_MAX_DEVICES];
+       u32 tqm_rel_reason[MAX_TQM_RELEASE_REASON];
+       u32 fw_tx_status[MAX_FW_TX_STATUS];
+       u32 tx_wbm_rel_source[HAL_WBM_REL_SRC_MODULE_MAX];
+       u32 tx_enqueued[DP_TCL_NUM_RING_MAX];
+       u32 tx_completed[DP_TCL_NUM_RING_MAX];
 };
 
 struct ath12k_reg_freq {

diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h
index 9f03f1cbaa7fc57c9471ecf427d97c589cc7c407..a353333f83b68e7b5dc9ee513beca49523b4f283 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/dp.h
+++ b/drivers/net/wireless/ath/ath12k/dp.h
@@ -287,6 +287,9 @@ struct ath12k_pdev_dp {
 /* Invalid TX Bank ID value */
 #define DP_INVALID_BANK_ID -1
 
+#define MAX_TQM_RELEASE_REASON 15
+#define MAX_FW_TX_STATUS 7
+
 struct ath12k_dp_tx_bank_profile {
        u8 is_configured;
        u32 num_users;

diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c
index 56beda0e0b804ba04051080b24fc8daabeca578d..7e1a8f29c7b6f0bd05f22ef2c2336b22bd7d25a0 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath12k/dp_rx.c
@@ -2877,6 +2877,7 @@ try_again:
                                 DMA_FROM_DEVICE);
 
                num_buffs_reaped[device_id]++;
+               ab->device_stats.reo_rx[ring_id][ab->device_id]++;
 
                push_reason = le32_get_bits(desc->info0,
                                            HAL_REO_DEST_RING_INFO0_PUSH_REASON);
@@ -4026,6 +4027,7 @@ int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab,
        int num_buffs_reaped[ATH12K_MAX_DEVICES] = {};
        int total_num_buffs_reaped = 0;
        struct ath12k_rx_desc_info *desc_info;
+       struct ath12k_device_dp_stats *device_stats = &ab->device_stats;
        struct ath12k_hw_link *hw_links = ag->hw_links;
        struct ath12k_base *partner_ab;
        u8 hw_link_id, device_id;
@@ -4199,6 +4201,12 @@ int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab,
                        dev_kfree_skb_any(msdu);
                        continue;
                }
+
+               if (rxcb->err_rel_src < HAL_WBM_REL_SRC_MODULE_MAX) {
+                       device_id = ar->ab->device_id;
+                       device_stats->rx_wbm_rel_source[rxcb->err_rel_src][device_id]++;
+               }
+
                ath12k_dp_rx_wbm_err(ar, napi, msdu, &msdu_list);
        }
        rcu_read_unlock();

diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c
index a62c9cff721969f218583e25206b9919e20ba707..b6816b6c2c0400ea8a027ef4527eea307346bc1f 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/dp_tx.c
+++ b/drivers/net/wireless/ath/ath12k/dp_tx.c
@@ -477,6 +477,8 @@ map:
                arvif->link_stats.tx_enqueued++;
        spin_unlock_bh(&arvif->link_stats_lock);
 
+       ab->device_stats.tx_enqueued[ti.ring_id]++;
+
        ath12k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc, &ti);
 
        ath12k_hal_srng_access_end(ab, tcl_ring);
@@ -557,6 +559,7 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab,
        info = IEEE80211_SKB_CB(msdu);
 
        ar = skb_cb->ar;
+       ab->device_stats.tx_completed[tx_ring->tcl_data_ring_id]++;
 
        if (atomic_dec_and_test(&ar->dp.num_tx_pending))
                wake_up(&ar->dp.tx_empty_waitq);
@@ -614,6 +617,7 @@ ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab, void *desc,
 
        wbm_status = le32_get_bits(status_desc->info0,
                                   HTT_TX_WBM_COMP_INFO0_STATUS);
+       ab->device_stats.fw_tx_status[wbm_status]++;
 
        switch (wbm_status) {
        case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
@@ -760,7 +764,8 @@ static void ath12k_dp_tx_update_txcompl(struct ath12k *ar, struct hal_tx_status
 
 static void ath12k_dp_tx_complete_msdu(struct ath12k *ar,
                                       struct ath12k_tx_desc_params *desc_params,
-                                      struct hal_tx_status *ts)
+                                      struct hal_tx_status *ts,
+                                      int ring)
 {
        struct ath12k_base *ab = ar->ab;
        struct ath12k_hw *ah = ar->ah;
@@ -777,6 +782,7 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar,
        }
 
        skb_cb = ATH12K_SKB_CB(msdu);
+       ab->device_stats.tx_completed[ring]++;
 
        dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
        if (skb_cb->paddr_ext_desc) {
@@ -907,6 +913,8 @@ void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id)
        struct hal_wbm_release_ring *desc;
        u8 pdev_id;
        u64 desc_va;
+       enum hal_wbm_rel_src_module buf_rel_source;
+       enum hal_wbm_tqm_rel_reason rel_status;
 
        spin_lock_bh(&status_ring->lock);
 
@@ -963,6 +971,15 @@ void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id)
                desc_params.skb = tx_desc->skb;
                desc_params.skb_ext_desc = tx_desc->skb_ext_desc;
 
+               /* Find the HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE value */
+               buf_rel_source = le32_get_bits(tx_status->info0,
+                                              HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE);
+               ab->device_stats.tx_wbm_rel_source[buf_rel_source]++;
+
+               rel_status = le32_get_bits(tx_status->info0,
+                                          HAL_WBM_COMPL_TX_INFO0_TQM_RELEASE_REASON);
+               ab->device_stats.tqm_rel_reason[rel_status]++;
+
                /* Release descriptor as soon as extracting necessary info
                 * to reduce contention
                 */
@@ -979,7 +996,8 @@ void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id)
                if (atomic_dec_and_test(&ar->dp.num_tx_pending))
                        wake_up(&ar->dp.tx_empty_waitq);
 
-               ath12k_dp_tx_complete_msdu(ar, &desc_params, &ts);
+               ath12k_dp_tx_complete_msdu(ar, &desc_params, &ts,
+                                          tx_ring->tcl_data_ring_id);
        }
 }
 

diff --git a/drivers/net/wireless/ath/ath12k/hal_desc.h b/drivers/net/wireless/ath/ath12k/hal_desc.h
index c7a8b26d38a7c6a7e984235b43ee6125573e9649..0173f731bfefe1031ca7e01e42665f7482c181f9 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/hal_desc.h
+++ b/drivers/net/wireless/ath/ath12k/hal_desc.h
@@ -1008,6 +1008,10 @@ enum hal_reo_entr_rxdma_ecode {
        HAL_REO_ENTR_RING_RXDMA_ECODE_FLOW_TIMEOUT_ERR,
        HAL_REO_ENTR_RING_RXDMA_ECODE_FLUSH_REQUEST_ERR,
        HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_FRAG_ERR,
+       HAL_REO_ENTR_RING_RXDMA_ECODE_MULTICAST_ECHO_ERR,
+       HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_MISMATCH_ERR,
+       HAL_REO_ENTR_RING_RXDMA_ECODE_UNAUTH_WDS_ERR,
+       HAL_REO_ENTR_RING_RXDMA_ECODE_GRPCAST_AMSDU_WDS_ERR,
        HAL_REO_ENTR_RING_RXDMA_ECODE_MAX,
 };
 
@@ -1809,6 +1813,7 @@ enum hal_wbm_rel_src_module {
        HAL_WBM_REL_SRC_MODULE_REO,
        HAL_WBM_REL_SRC_MODULE_FW,
        HAL_WBM_REL_SRC_MODULE_SW,
+       HAL_WBM_REL_SRC_MODULE_MAX,
 };
 
 enum hal_wbm_rel_desc_type {