On 11/4/2024 8:54 PM, Roopni Devanathan wrote:
> From: Dinesh Karthikeyan <quic_dinek@xxxxxxxxxxx>
>
> Add support to request SoC stat from firmware through HTT stat
> type 38. This stat gives drop count of SoC.
>
> Note: MCC firmware version -
> WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 does not
> support tag HTT_STATS_SOC_TXRX_STATS_COMMON_TAG(125).
>
> Sample output:
> -------------
> echo 38 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_type
> cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats
> HTT_SOC_COMMON_STATS_TLV:
> soc_drop_count = 0x0000000000000000
>
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
>
> Signed-off-by: Dinesh Karthikeyan <quic_dinek@xxxxxxxxxxx>
> Signed-off-by: Roopni Devanathan <quic_rdevanat@xxxxxxxxxxx>
> ---
> .../wireless/ath/ath12k/debugfs_htt_stats.c | 23 +++++++++++++++++++
> .../wireless/ath/ath12k/debugfs_htt_stats.h | 7 ++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
> index 732e600d33fa..8f89ba2db8c7 100644
> --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
> +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c
> @@ -2859,6 +2859,26 @@ ath12k_htt_print_phy_tpc_stats_tlv(const void *tag_buf, u16 tag_len,
> stats_req->buf_len = len;
> }
>
> +static void
> +ath12k_htt_print_soc_txrx_stats_common_tlv(const void *tag_buf, u16 tag_len,
> + struct debug_htt_stats_req *stats_req)
> +{
> + const struct ath12k_htt_t2h_soc_txrx_stats_common_tlv *htt_stats_buf = tag_buf;
> + u8 *buf = stats_req->buf;
> + u32 len = stats_req->buf_len;
> + u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE;
> +
> + if (tag_len < sizeof(*htt_stats_buf))
> + return;
> +
> + len += scnprintf(buf + len, buf_len - len, "HTT_SOC_COMMON_STATS_TLV:\n");
> + len += scnprintf(buf + len, buf_len - len, "soc_drop_count = 0x%08x%08x\n\n",
> + le32_to_cpu(htt_stats_buf->inv_peers_msdu_drop_count_hi),
> + le32_to_cpu(htt_stats_buf->inv_peers_msdu_drop_count_lo));
perhaps use ath12k_le32hilo_to_u64() to convert to u64 and then print in
decimal instead of hex? just a suggestion, no need to respin if you disagree
> +
> + stats_req->buf_len = len;
> +}
> +
> static void
> ath12k_htt_print_dmac_reset_stats_tlv(const void *tag_buf, u16 tag_len,
> struct debug_htt_stats_req *stats_req)
> @@ -3204,6 +3224,9 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab,
> case HTT_STATS_PHY_TPC_STATS_TAG:
> ath12k_htt_print_phy_tpc_stats_tlv(tag_buf, len, stats_req);
> break;
> + case HTT_STATS_SOC_TXRX_STATS_COMMON_TAG:
> + ath12k_htt_print_soc_txrx_stats_common_tlv(tag_buf, len, stats_req);
> + break;
> case HTT_STATS_DMAC_RESET_STATS_TAG:
> ath12k_htt_print_dmac_reset_stats_tlv(tag_buf, len, stats_req);
> break;
> diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
> index 10d7ca9c02f4..c07b60636c22 100644
> --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
> +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h
> @@ -137,6 +137,7 @@ enum ath12k_dbg_htt_ext_stats_type {
> ATH12K_DBG_HTT_EXT_STATS_PDEV_OBSS_PD_STATS = 23,
> ATH12K_DBG_HTT_EXT_STATS_DLPAGER_STATS = 36,
> ATH12K_DBG_HTT_EXT_PHY_COUNTERS_AND_PHY_STATS = 37,
> + ATH12K_DBG_HTT_EXT_VDEVS_TXRX_STATS = 38,
> ATH12K_DBG_HTT_EXT_STATS_SOC_ERROR = 45,
> ATH12K_DBG_HTT_EXT_STATS_PDEV_SCHED_ALGO = 49,
> ATH12K_DBG_HTT_EXT_STATS_MANDATORY_MUOFDMA = 51,
> @@ -201,6 +202,7 @@ enum ath12k_dbg_htt_tlv_tag {
> HTT_STATS_PHY_STATS_TAG = 122,
> HTT_STATS_PHY_RESET_COUNTERS_TAG = 123,
> HTT_STATS_PHY_RESET_STATS_TAG = 124,
> + HTT_STATS_SOC_TXRX_STATS_COMMON_TAG = 125,
> HTT_STATS_MU_PPDU_DIST_TAG = 129,
> HTT_STATS_TX_PDEV_MUMIMO_GRP_STATS_TAG = 130,
> HTT_STATS_TX_PDEV_RATE_STATS_BE_OFDMA_TAG = 135,
> @@ -1183,6 +1185,11 @@ struct ath12k_htt_phy_tpc_stats_tlv {
> __le32 sub_band_txpower[ATH12K_HTT_MAX_CH_PWR_INFO_SIZE];
> } __packed;
>
> +struct ath12k_htt_t2h_soc_txrx_stats_common_tlv {
> + __le32 inv_peers_msdu_drop_count_hi;
> + __le32 inv_peers_msdu_drop_count_lo;
> +} __packed;
> +
> struct ath12k_htt_dmac_reset_stats_tlv {
> __le32 reset_count;
> __le32 reset_time_lo_ms;
