[v2,5/5] wifi: ath12k: Dump additional Tx PDEV HTT stats

Message ID	20240510050806.514126-6-quic_rgnanase@quicinc.com
State	Superseded
Headers	show Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79BC6149C6A for <linux-wireless@vger.kernel.org>; Fri, 10 May 2024 05:08:24 +0000 (UTC) From: Ramya Gnanasekar <quic_rgnanase@quicinc.com> To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Ramya Gnanasekar <quic_rgnanase@quicinc.com> Subject: [PATCH v2 5/5] wifi: ath12k: Dump additional Tx PDEV HTT stats Date: Fri, 10 May 2024 10:38:06 +0530 Message-Id: <20240510050806.514126-6-quic_rgnanase@quicinc.com> In-Reply-To: <20240510050806.514126-1-quic_rgnanase@quicinc.com> References: <20240510050806.514126-1-quic_rgnanase@quicinc.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	wifi: ath12k: Add support to enable debugfs_htt_stats \| expand [v2,0/5] wifi: ath12k: Add support to enable debugfs_htt_stats [v2,1/5] wifi: ath12k: Add support to enable debugfs_htt_stats [v2,2/5] wifi: ath12k: Add htt_stats_dump file ops support [v2,3/5] wifi: ath12k: Fix Pdev id in HTT stats request for WCN7850 [v2,4/5] wifi: ath12k: Add support to parse requested stats_type [v2,5/5] wifi: ath12k: Dump additional Tx PDEV HTT stats

diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index 0be20e4f4097..b4b58e49c33b 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -242,6 +242,123 @@ htt_print_tx_pdev_stats_sifs_tlv(const void *tag_buf, stats_req->buf_len = len; } +static inline void +ath12k_htt_print_tx_pdev_mu_ppdu_dist_stats_tlv(const void *tag_buf, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_tx_pdev_mu_ppdu_dist_stats_tlv *htt_stats_buf = tag_buf; + char *mode; + u8 j, hw_mode, i, str_buf_len; + u8 *buf = stats_req->buf; + u32 len = stats_req->buf_len; + u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE; + u32 stats_value; + u8 max_ppdu = ATH12K_HTT_STATS_MAX_NUM_MU_PPDU_PER_BURST; + u8 max_sched = ATH12K_HTT_STATS_MAX_NUM_SCHED_STATUS; + char str_buf[ATH12K_HTT_MAX_STRING_LEN]; + + hw_mode = le32_to_cpu(htt_stats_buf->hw_mode); + + switch (hw_mode) { + case ATH12K_HTT_STATS_HWMODE_AC: + len += scnprintf(buf + len, buf_len - len, + "HTT_TX_PDEV_MU_PPDU_DISTRIBUTION_STATS:\n"); + mode = "ac"; + break; + case ATH12K_HTT_STATS_HWMODE_AX: + mode = "ax"; + break; + case ATH12K_HTT_STATS_HWMODE_BE: + mode = "be"; + break; + default: + return; + } + + for (i = 0; i < ATH12K_HTT_STATS_NUM_NR_BINS ; i++) { + len += scnprintf(buf + len, buf_len - len, + "%s_mu_mimo_num_seq_posted_nr%u = %u\n", mode, + ((i + 1) * 4), htt_stats_buf->num_seq_posted[i]); + str_buf_len = 0; + memset(str_buf, 0x0, sizeof(str_buf)); + for (j = 0; j < ATH12K_HTT_STATS_MAX_NUM_MU_PPDU_PER_BURST ; j++) { + stats_value = le32_to_cpu(htt_stats_buf->num_ppdu_posted_per_burst + [i * max_ppdu + j]); + str_buf_len += scnprintf(&str_buf[str_buf_len], + ATH12K_HTT_MAX_STRING_LEN - str_buf_len, + " %u:%u,", j, stats_value); + } + len += scnprintf(buf + len, buf_len - len, + "%s_mu_mimo_num_ppdu_posted_per_burst_nr%u = %s\n", + mode, ((i + 1) * 4), str_buf); + str_buf_len = 0; + memset(str_buf, 0x0, sizeof(str_buf)); + for (j = 0; j < ATH12K_HTT_STATS_MAX_NUM_MU_PPDU_PER_BURST ; j++) { + stats_value = le32_to_cpu(htt_stats_buf->num_ppdu_cmpl_per_burst + [i * max_ppdu + j]); + str_buf_len += scnprintf(&str_buf[str_buf_len], + ATH12K_HTT_MAX_STRING_LEN - str_buf_len, + " %u:%u,", j, stats_value); + } + len += scnprintf(buf + len, buf_len - len, + "%s_mu_mimo_num_ppdu_completed_per_burst_nr%u = %s\n", + mode, ((i + 1) * 4), str_buf); + str_buf_len = 0; + memset(str_buf, 0x0, sizeof(str_buf)); + for (j = 0; j < ATH12K_HTT_STATS_MAX_NUM_SCHED_STATUS ; j++) { + stats_value = le32_to_cpu(htt_stats_buf->num_seq_term_status + [i * max_sched + j]); + str_buf_len += scnprintf(&str_buf[str_buf_len], + ATH12K_HTT_MAX_STRING_LEN - str_buf_len, + " %u:%u,", j, stats_value); + } + len += scnprintf(buf + len, buf_len - len, + "%s_mu_mimo_num_seq_term_status_nr%u = %s\n\n", + mode, ((i + 1) * 4), str_buf); + } + + stats_req->buf_len = len; +} + +static inline void +ath12k_htt_print_tx_pdev_stats_sifs_hist_tlv(const void *tag_buf, + u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_tx_pdev_stats_sifs_hist_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; + u16 num_elems = min_t(u16, (tag_len >> 2), + ATH12K_HTT_TX_PDEV_MAX_SIFS_BURST_HIST_STATS); + + len += scnprintf(buf + len, buf_len - len, + "HTT_TX_PDEV_STATS_SIFS_HIST_TLV:\n"); + + len += print_array_to_buf(buf, len, "sifs_hist_status", + htt_stats_buf->sifs_hist_status, num_elems); + + stats_req->buf_len = len; +} + +static inline void +ath12k_htt_print_pdev_ctrl_path_tx_stats_tlv(const void *tag_buf, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_pdev_ctrl_path_tx_stats_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; + + len += scnprintf(buf + len, buf_len - len, + "HTT_TX_PDEV_STATS_CTRL_PATH_TX_STATS:\n"); + len += print_array_to_buf(buf, len, "fw_tx_mgmt_subtype", + htt_stats_buf->fw_tx_mgmt_subtype, + ATH12K_HTT_STATS_SUBTYPE_MAX); + + 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) @@ -261,6 +378,15 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab, case HTT_STATS_TX_PDEV_FLUSH_TAG: htt_print_tx_pdev_stats_flush_tlv(tag_buf, len, stats_req); break; + case HTT_STATS_TX_PDEV_SIFS_HIST_TAG: + ath12k_htt_print_tx_pdev_stats_sifs_hist_tlv(tag_buf, len, stats_req); + break; + case HTT_STATS_PDEV_CTRL_PATH_TX_STATS_TAG: + ath12k_htt_print_pdev_ctrl_path_tx_stats_tlv(tag_buf, stats_req); + break; + case HTT_STATS_MU_PPDU_DIST_TAG: + ath12k_htt_print_tx_pdev_mu_ppdu_dist_stats_tlv(tag_buf, 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 477ae75f8175..885630fdcb37 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h @@ -11,6 +11,8 @@ #define ATH12K_HTT_STATS_COOKIE_LSB GENMASK_ULL(31, 0) #define ATH12K_HTT_STATS_COOKIE_MSB GENMASK_ULL(63, 32) #define ATH12K_HTT_STATS_MAGIC_VALUE 0xF0F0F0F0 +#define ATH12K_HTT_STATS_SUBTYPE_MAX 16 +#define ATH12K_HTT_MAX_STRING_LEN 256 #define ATH12K_HTT_STATS_RESET_BITMAP32_OFFSET(_idx) ((_idx) & 0x1f) #define ATH12K_HTT_STATS_RESET_BITMAP64_OFFSET(_idx) ((_idx) & 0x3f) @@ -133,6 +135,9 @@ enum ath12k_dbg_htt_tlv_tag { HTT_STATS_TX_PDEV_UNDERRUN_TAG = 1, HTT_STATS_TX_PDEV_SIFS_TAG = 2, HTT_STATS_TX_PDEV_FLUSH_TAG = 3, + HTT_STATS_TX_PDEV_SIFS_HIST_TAG = 67, + HTT_STATS_PDEV_CTRL_PATH_TX_STATS_TAG = 102, + HTT_STATS_MU_PPDU_DIST_TAG = 129, HTT_STATS_MAX_TAG, }; @@ -142,6 +147,18 @@ enum ath12k_dbg_htt_tlv_tag { #define ATH12K_HTT_TX_PDEV_MAX_SIFS_BURST_STATS 9 #define ATH12K_HTT_TX_PDEV_MAX_FLUSH_REASON_STATS 150 +/* MU MIMO distribution stats is a 2-dimensional array + * with dimension one denoting stats for nr4[0] or nr8[1] + */ +#define ATH12K_HTT_STATS_NUM_NR_BINS 2 +#define ATH12K_HTT_STATS_MAX_NUM_MU_PPDU_PER_BURST 10 +#define ATH12K_HTT_TX_PDEV_MAX_SIFS_BURST_HIST_STATS 10 +#define ATH12K_HTT_STATS_MAX_NUM_SCHED_STATUS 9 +#define ATH12K_HTT_STATS_NUM_SCHED_STATUS_WORDS \ + (ATH12K_HTT_STATS_NUM_NR_BINS * ATH12K_HTT_STATS_MAX_NUM_SCHED_STATUS) +#define ATH12K_HTT_STATS_MU_PPDU_PER_BURST_WORDS \ + (ATH12K_HTT_STATS_NUM_NR_BINS * ATH12K_HTT_STATS_MAX_NUM_MU_PPDU_PER_BURST) + enum ath12k_htt_tx_pdev_underrun_enum { HTT_STATS_TX_PDEV_NO_DATA_UNDERRUN = 0, HTT_STATS_TX_PDEV_DATA_UNDERRUN_BETWEEN_MPDU = 1, @@ -258,4 +275,26 @@ struct ath12k_htt_tx_pdev_stats_sifs_tlv { DECLARE_FLEX_ARRAY(__le32, sifs_status); } __packed; +struct ath12k_htt_pdev_ctrl_path_tx_stats_tlv { + __le32 fw_tx_mgmt_subtype[ATH12K_HTT_STATS_SUBTYPE_MAX]; +} __packed; + +struct ath12k_htt_tx_pdev_stats_sifs_hist_tlv { + DECLARE_FLEX_ARRAY(__le32, sifs_hist_status); +} __packed; + +enum ath12k_htt_stats_hw_mode { + ATH12K_HTT_STATS_HWMODE_AC = 0, + ATH12K_HTT_STATS_HWMODE_AX = 1, + ATH12K_HTT_STATS_HWMODE_BE = 2, +}; + +struct ath12k_htt_tx_pdev_mu_ppdu_dist_stats_tlv { + __le32 hw_mode; + __le32 num_seq_term_status[ATH12K_HTT_STATS_NUM_SCHED_STATUS_WORDS]; + __le32 num_ppdu_cmpl_per_burst[ATH12K_HTT_STATS_MU_PPDU_PER_BURST_WORDS]; + __le32 num_seq_posted[ATH12K_HTT_STATS_NUM_NR_BINS]; + __le32 num_ppdu_posted_per_burst[ATH12K_HTT_STATS_MU_PPDU_PER_BURST_WORDS]; +} __packed; + #endif

[v2,5/5] wifi: ath12k: Dump additional Tx PDEV HTT stats

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