wifi: ath12k: Add support to TDMA and MLO stats

Add support to request TDMA stats, MLO scheduled stats and MLO IPC stats
from firmware through HTT stats type 57, 63 and 64, respectively. These
stats give information about TDMA schedules, TDMA slot switches, MLO
preferred timeout, delay, MLO IPC ring count, etc.

Note: WCN firmware version -
WLAN.HMT.1.1.c5-00284.1-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 does not support
tags HTT_STATS_PDEV_TDMA_TAG(187), HTT_STATS_MLO_SCHED_STATS_TAG(190)
and HTT_STATS_PDEV_MLO_IPC_STATS_TAG(191), currently.

Sample output:
echo 57 > /sys/kernel/debug/ath12k/pci-0000\:58\:00.0/mac0/htt_stats_type
cat /sys/kernel/debug/ath12k/pci-0000\:58\:00.0/mac0/htt_stats
HTT_PDEV_TDMA_STATS_TLV:
mac_id = 0
num_tdma_active_schedules = 0
num_tdma_reserved_schedules = 0
num_tdma_restricted_schedules = 0
num_tdma_unconfigured_schedules = 0
num_tdma_slot_switches = 0
num_tdma_edca_switches = 0

echo 63 > /sys/kernel/debug/ath12k/pci-0000\:58\:00.0/mac0/htt_stats_type
cat /sys/kernel/debug/ath12k/pci-0000\:58\:00.0/mac0/htt_stats
HTT_STATS_MLO_SCHED_STATS:
num_sec_link_sched = 0
num_pref_link_timeout = 0
num_pref_link_sch_delay_ipc = 0
num_pref_link_timeout_ipc = 0

echo 64 > /sys/kernel/debug/ath12k/pci-0000\:58\:00.0/mac0/htt_stats_type
cat /sys/kernel/debug/ath12k/pci-0000\:58\:00.0/mac0/htt_stats
HTT_STATS_MLO_IPC_STATS:
src_link: 0
mlo_ipc_ring_full_cnt[0]: 0
mlo_ipc_ring_full_cnt[1]: 0
mlo_ipc_ring_full_cnt[2]: 0
mlo_ipc_ring_full_cnt[3]: 0
mlo_ipc_ring_full_cnt[4]: 0
mlo_ipc_ring_full_cnt[5]: 0
mlo_ipc_ring_full_cnt[6]: 0

src_link: 1
mlo_ipc_ring_full_cnt[0]: 0
mlo_ipc_ring_full_cnt[1]: 0
mlo_ipc_ring_full_cnt[2]: 0
mlo_ipc_ring_full_cnt[3]: 0
mlo_ipc_ring_full_cnt[4]: 0
mlo_ipc_ring_full_cnt[5]: 0
mlo_ipc_ring_full_cnt[6]: 0
.....

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1

Signed-off-by: Maharaja Kennadyrajan <quic_mkenna@quicinc.com>
Signed-off-by: Roopni Devanathan <quic_rdevanat@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250617051136.264193-2-quic_rdevanat@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
index 0da6c91dd31425aba4dab25d9ed4ece495b7b4ab..004ee0688cd718338debe9fcd725004abcc3f945 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
+++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
@@ -5046,6 +5046,93 @@ ath12k_htt_print_rx_pdev_rate_ext_stats_tlv(const void *tag_buf, u16 tag_len,
        stats_req->buf_len = len;
 }
 
+static void
+ath12k_htt_print_pdev_tdma_stats_tlv(const void *tag_buf, u16 tag_len,
+                                    struct debug_htt_stats_req *stats_req)
+{
+       const struct ath12k_htt_pdev_tdma_stats_tlv *htt_stats_buf = tag_buf;
+       u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE;
+       u32 len = stats_req->buf_len;
+       u8 *buf = stats_req->buf;
+       u32 mac_id_word;
+
+       if (tag_len < sizeof(*htt_stats_buf))
+               return;
+
+       mac_id_word = le32_to_cpu(htt_stats_buf->mac_id__word);
+
+       len += scnprintf(buf + len, buf_len - len, "HTT_PDEV_TDMA_STATS_TLV:\n");
+       len += scnprintf(buf + len, buf_len - len, "mac_id = %u\n",
+                        u32_get_bits(mac_id_word, ATH12K_HTT_STATS_MAC_ID));
+       len += scnprintf(buf + len, buf_len - len, "num_tdma_active_schedules = %u\n",
+                        le32_to_cpu(htt_stats_buf->num_tdma_active_schedules));
+       len += scnprintf(buf + len, buf_len - len, "num_tdma_reserved_schedules = %u\n",
+                        le32_to_cpu(htt_stats_buf->num_tdma_reserved_schedules));
+       len += scnprintf(buf + len, buf_len - len,
+                        "num_tdma_restricted_schedules = %u\n",
+                        le32_to_cpu(htt_stats_buf->num_tdma_restricted_schedules));
+       len += scnprintf(buf + len, buf_len - len,
+                        "num_tdma_unconfigured_schedules = %u\n",
+                        le32_to_cpu(htt_stats_buf->num_tdma_unconfigured_schedules));
+       len += scnprintf(buf + len, buf_len - len, "num_tdma_slot_switches = %u\n",
+                        le32_to_cpu(htt_stats_buf->num_tdma_slot_switches));
+       len += scnprintf(buf + len, buf_len - len, "num_tdma_edca_switches = %u\n\n",
+                        le32_to_cpu(htt_stats_buf->num_tdma_edca_switches));
+
+       stats_req->buf_len = len;
+}
+
+static void
+ath12k_htt_print_mlo_sched_stats_tlv(const void *tag_buf, u16 tag_len,
+                                    struct debug_htt_stats_req *stats_req)
+{
+       const struct ath12k_htt_mlo_sched_stats_tlv *stats_buf = tag_buf;
+       u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE;
+       u32 len = stats_req->buf_len;
+       u8 *buf = stats_req->buf;
+
+       if (tag_len < sizeof(*stats_buf))
+               return;
+
+       len += scnprintf(buf + len, buf_len - len, "HTT_STATS_MLO_SCHED_STATS:\n");
+       len += scnprintf(buf + len, buf_len - len, "num_sec_link_sched = %u\n",
+                        le32_to_cpu(stats_buf->pref_link_num_sec_link_sched));
+       len += scnprintf(buf + len, buf_len - len, "num_pref_link_timeout = %u\n",
+                        le32_to_cpu(stats_buf->pref_link_num_pref_link_timeout));
+       len += scnprintf(buf + len, buf_len - len, "num_pref_link_sch_delay_ipc = %u\n",
+                        le32_to_cpu(stats_buf->pref_link_num_pref_link_sch_delay_ipc));
+       len += scnprintf(buf + len, buf_len - len, "num_pref_link_timeout_ipc = %u\n\n",
+                        le32_to_cpu(stats_buf->pref_link_num_pref_link_timeout_ipc));
+
+       stats_req->buf_len = len;
+}
+
+static void
+ath12k_htt_print_mlo_ipc_stats_tlv(const void *tag_buf, u16 tag_len,
+                                  struct debug_htt_stats_req *stats_req)
+{
+       const struct ath12k_htt_pdev_mlo_ipc_stats_tlv *stats_buf = tag_buf;
+       u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE;
+       u32 len = stats_req->buf_len;
+       u8 *buf = stats_req->buf;
+       u8 i, j;
+
+       if (tag_len < sizeof(*stats_buf))
+               return;
+
+       len += scnprintf(buf + len, buf_len - len, "HTT_STATS_MLO_IPC_STATS:\n");
+       for (i = 0; i < ATH12K_HTT_HWMLO_MAX_LINKS; i++) {
+               len += scnprintf(buf + len, buf_len - len, "src_link: %u\n", i);
+               for (j = 0; j < ATH12K_HTT_MLO_MAX_IPC_RINGS; j++)
+                       len += scnprintf(buf + len, buf_len - len,
+                                        "mlo_ipc_ring_full_cnt[%u]: %u\n", j,
+                                        le32_to_cpu(stats_buf->mlo_ipc_ring_cnt[i][j]));
+               len += scnprintf(buf + len, buf_len - len, "\n");
+       }
+
+       stats_req->buf_len = len;
+}
+
 static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab,
                                          u16 tag, u16 len, const void *tag_buf,
                                          void *user_data)
@@ -5317,6 +5404,15 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab,
        case HTT_STATS_RX_PDEV_RATE_EXT_STATS_TAG:
                ath12k_htt_print_rx_pdev_rate_ext_stats_tlv(tag_buf, len, stats_req);
                break;
+       case HTT_STATS_PDEV_TDMA_TAG:
+               ath12k_htt_print_pdev_tdma_stats_tlv(tag_buf, len, stats_req);
+               break;
+       case HTT_STATS_MLO_SCHED_STATS_TAG:
+               ath12k_htt_print_mlo_sched_stats_tlv(tag_buf, len, stats_req);
+               break;
+       case HTT_STATS_PDEV_MLO_IPC_STATS_TAG:
+               ath12k_htt_print_mlo_ipc_stats_tlv(tag_buf, len, stats_req);
+               break;
        default:
                break;
        }

diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
index ec1b4613be51126d6278e213a9009a505fcc6900..e301958bfdddf633dd4ee3a21c1330f04b7542d1 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
+++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
@@ -155,6 +155,9 @@ enum ath12k_dbg_htt_ext_stats_type {
        ATH12K_DBG_HTT_EXT_STATS_PDEV_SCHED_ALGO                = 49,
        ATH12K_DBG_HTT_EXT_STATS_MANDATORY_MUOFDMA              = 51,
        ATH12K_DGB_HTT_EXT_STATS_PDEV_MBSSID_CTRL_FRAME         = 54,
+       ATH12K_DBG_HTT_PDEV_TDMA_STATS                          = 57,
+       ATH12K_DBG_HTT_MLO_SCHED_STATS                          = 63,
+       ATH12K_DBG_HTT_PDEV_MLO_IPC_STATS                       = 64,
 
        /* keep this last */
        ATH12K_DBG_HTT_NUM_EXT_STATS,
@@ -248,6 +251,9 @@ enum ath12k_dbg_htt_tlv_tag {
        HTT_STATS_PDEV_SCHED_ALGO_OFDMA_STATS_TAG       = 165,
        HTT_STATS_TXBF_OFDMA_AX_STEER_MPDU_STATS_TAG    = 172,
        HTT_STATS_PDEV_MBSSID_CTRL_FRAME_STATS_TAG      = 176,
+       HTT_STATS_PDEV_TDMA_TAG                         = 187,
+       HTT_STATS_MLO_SCHED_STATS_TAG                   = 190,
+       HTT_STATS_PDEV_MLO_IPC_STATS_TAG                = 191,
 
        HTT_STATS_MAX_TAG,
 };
@@ -1888,4 +1894,28 @@ struct ath12k_htt_pdev_mbssid_ctrl_frame_tlv {
        __le32 ul_mumimo_trigger_within_bss;
 } __packed;
 
+struct ath12k_htt_pdev_tdma_stats_tlv {
+       __le32 mac_id__word;
+       __le32 num_tdma_active_schedules;
+       __le32 num_tdma_reserved_schedules;
+       __le32 num_tdma_restricted_schedules;
+       __le32 num_tdma_unconfigured_schedules;
+       __le32 num_tdma_slot_switches;
+       __le32 num_tdma_edca_switches;
+} __packed;
+
+struct ath12k_htt_mlo_sched_stats_tlv {
+       __le32 pref_link_num_sec_link_sched;
+       __le32 pref_link_num_pref_link_timeout;
+       __le32 pref_link_num_pref_link_sch_delay_ipc;
+       __le32 pref_link_num_pref_link_timeout_ipc;
+} __packed;
+
+#define ATH12K_HTT_HWMLO_MAX_LINKS     6
+#define ATH12K_HTT_MLO_MAX_IPC_RINGS   7
+
+struct ath12k_htt_pdev_mlo_ipc_stats_tlv {
+       __le32 mlo_ipc_ring_cnt[ATH12K_HTT_HWMLO_MAX_LINKS][ATH12K_HTT_MLO_MAX_IPC_RINGS];
+} __packed;
+
 #endif