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Tue, 17 Jun 2025 04:22:18 GMT Received: from hu-rdevanat-blr.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 16 Jun 2025 21:22:16 -0700 From: Roopni Devanathan To: CC: , Saleemuddin Shaik , Roopni Devanathan Subject: [PATCH ath-next] wifi: ath12k: Add support for transmit histogram stats Date: Tue, 17 Jun 2025 09:51:41 +0530 Message-ID: <20250617042141.215540-1-quic_rdevanat@quicinc.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE3MDAzNCBTYWx0ZWRfXw+r0ao7QjUac 1LjvDUxLiWIP3/7jcdWkyOYTNP7zDilBjvTPz9uzVxapqJgEA7HwtETi2qT+Od0+kDNfxsGQcAn znv9Cl6W+xqRBsKglzOnvhpGPy1TiinRZKDeDbOLZcdxn63Qk3Q3POGU/3fCKJBQ243Z0b2D9aE WhZlPzdekkm9LFUFaz9mcDqbG8wVB9KD612ANajAkuMwfmJDCI5/WHsB7iSjOFip0VIvnwj3p1r k0ZBBCrbd6Fztj+9jzDT/61Da1Qfzg9CdfGSYUTlRPWszYYA14MFO1ags+MyoZ1iHmwwfc/q3k5 WgJYymoB7LVjrxK2872FCGKqHGcn9aLVigBVorh+VFdwnOWhBmfJvXY0+/L+h4WOKhGt9elx7oL Roc7Az46vgYmUSV8ULEEzO/lTsjZKIaOkU/TaTvyo4H6icLePSqld4KPamYKmcGRioVZ8N6k X-Authority-Analysis: v=2.4 cv=PtaTbxM3 c=1 sm=1 tr=0 ts=6850ed7b cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=6IFa9wvqVegA:10 a=COk6AnOGAAAA:8 a=7xaFyXMt0exzL7mAYkQA:9 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: wSRmgSfF8H0-Ie6vlXV0cbMV2nGfdYBU X-Proofpoint-GUID: wSRmgSfF8H0-Ie6vlXV0cbMV2nGfdYBU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-17_01,2025-06-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1011 mlxlogscore=999 suspectscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 spamscore=0 priorityscore=1501 phishscore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506170034 From: Saleemuddin Shaik Add support for transmit histogram stats under HTT stats type 9. These stats give information about drop count, MCS drop rate, histogram count, etc. Note: WCN7850 firmware version - WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 does not support tag HTT_STATS_TX_PDEV_HISTOGRAM_STATS_TAG(144), currently. Sample output: echo 9 > /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 ... low_latency_rate_cnt = 0 su_burst_rate_drop_cnt = 0 su_burst_rate_drop_fail_cnt = 0 rate_retry_mcs_drop_cnt = 0 PER_HISTOGRAM_STATS mcs_drop_rate = 0:0, 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, 15:0 per_histogram_count = 0:0, 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, 15:0, 16:0, 17:0, 18:0, 19:0, 20:0, 21:0, 22:0, 23:0, 24:0, 25:0, 26:0, 27:0, 28:0, 29:0, 30:0, 31:0, 32:0, 33:0, 34:0, 35:0, 36:0, 37:0, 38:0, 39:0, 40:0, 41:0, 42:0, 43:0, 44:0, 45:0, 46:0, 47:0, 48:0, 49:0, 50:0, 51:0, 52:0, 53:0, 54:0, 55:0, 56:0, 57:0, 58:0, 59:0, 60:0, 61:0, 62:0, 63:0, 64:0, 65:0, 66:0, 67:0, 68:0, 69:0, 70:0, 71:0, 72:0, 73:0, 74:0, 75:0, 76:0, 77:0, 78:0, 79:0, 80:0, 81:0, 82:0, 83:0, 84:0, 85:0, 86:0, 87:0, 88:0, 89:0, 90:0, 91:0, 92:0, 93:0, 94:0, 95:0, 96:0, 97:0, 98:0, 99:0, 100:0 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Signed-off-by: Saleemuddin Shaik Signed-off-by: Roopni Devanathan --- .../wireless/ath/ath12k/debugfs_htt_stats.c | 36 ++++++++++++++++++- .../wireless/ath/ath12k/debugfs_htt_stats.h | 16 +++++++++ 2 files changed, 51 insertions(+), 1 deletion(-) base-commit: 7fb79ce2693c94f8f74bf62ad25a97e4b61721b8 diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index aeaf970339d4..c1da0ac682c3 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -4720,7 +4720,38 @@ ath12k_htt_print_tx_pdev_rate_stats_tlv(const void *tag_buf, u16 tag_len, len += print_array_to_buf(buf, len, "tx_pream", htt_stats_buf->tx_pream, ATH12K_HTT_TX_PDEV_STATS_NUM_PREAMBLE_TYPES, "\n"); len += print_array_to_buf(buf, len, "tx_dcm", htt_stats_buf->tx_dcm, - ATH12K_HTT_TX_PDEV_STATS_NUM_DCM_COUNTERS, "\n"); + ATH12K_HTT_TX_PDEV_STATS_NUM_DCM_COUNTERS, "\n\n"); + + stats_req->buf_len = len; +} + +static inline void +ath12k_htt_print_histogram_stats_tlv(const void *tag_buf, u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_tx_histogram_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, "low_latency_rate_cnt = %u\n", + le32_to_cpu(stats_buf->low_latency_rate_cnt)); + len += scnprintf(buf + len, buf_len - len, "su_burst_rate_drop_cnt = %u\n", + le32_to_cpu(stats_buf->su_burst_rate_drop_cnt)); + len += scnprintf(buf + len, buf_len - len, "su_burst_rate_drop_fail_cnt = %u\n", + le32_to_cpu(stats_buf->su_burst_rate_drop_fail_cnt)); + len += scnprintf(buf + len, buf_len - len, "rate_retry_mcs_drop_cnt = %u\n", + le32_to_cpu(stats_buf->rate_retry_mcs_drop_cnt)); + + len += scnprintf(buf + len, buf_len - len, "\nPER_HISTOGRAM_STATS\n"); + len += print_array_to_buf(buf, len, "mcs_drop_rate", stats_buf->mcs_drop_rate, + ATH12K_HTT_TX_PDEV_STATS_NUM_MCS_DROP_COUNTERS, "\n"); + len += print_array_to_buf(buf, len, "per_histogram_count", + stats_buf->per_histogram_cnt, + ATH12K_HTT_TX_PDEV_STATS_NUM_PER_COUNTERS, "\n\n"); stats_req->buf_len = len; } @@ -5277,6 +5308,9 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab, case HTT_STATS_TX_PDEV_RATE_STATS_TAG: ath12k_htt_print_tx_pdev_rate_stats_tlv(tag_buf, len, stats_req); break; + case HTT_STATS_TX_PDEV_HISTOGRAM_STATS_TAG: + ath12k_htt_print_histogram_stats_tlv(tag_buf, len, stats_req); + break; case HTT_STATS_RX_PDEV_RATE_STATS_TAG: ath12k_htt_print_rx_pdev_rate_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 c2a02cf8a38b..5fc5d8c00355 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h @@ -237,6 +237,7 @@ enum ath12k_dbg_htt_tlv_tag { HTT_STATS_TX_SELFGEN_BE_ERR_STATS_TAG = 137, HTT_STATS_TX_SELFGEN_BE_STATS_TAG = 138, HTT_STATS_TX_SELFGEN_BE_SCHED_STATUS_STATS_TAG = 139, + HTT_STATS_TX_PDEV_HISTOGRAM_STATS_TAG = 144, HTT_STATS_TXBF_OFDMA_AX_NDPA_STATS_TAG = 147, HTT_STATS_TXBF_OFDMA_AX_NDP_STATS_TAG = 148, HTT_STATS_TXBF_OFDMA_AX_BRP_STATS_TAG = 149, @@ -418,6 +419,12 @@ struct ath12k_htt_tx_pdev_mu_ppdu_dist_stats_tlv { #define ATH12K_HTT_TX_PDEV_STATS_NUM_EXTRA_MCS_COUNTERS 2 #define ATH12K_HTT_TX_PDEV_STATS_NUM_EXTRA2_MCS_COUNTERS 2 #define ATH12K_HTT_TX_PDEV_STATS_NUM_11AX_TRIGGER_TYPES 6 +#define ATH12K_HTT_TX_PDEV_STATS_NUM_PER_COUNTERS 101 + +#define ATH12K_HTT_TX_PDEV_STATS_NUM_MCS_DROP_COUNTERS \ + (ATH12K_HTT_TX_PDEV_STATS_NUM_MCS_COUNTERS + \ + ATH12K_HTT_TX_PDEV_STATS_NUM_EXTRA_MCS_COUNTERS + \ + ATH12K_HTT_TX_PDEV_STATS_NUM_EXTRA2_MCS_COUNTERS) struct ath12k_htt_tx_pdev_rate_stats_tlv { __le32 mac_id_word; @@ -472,6 +479,15 @@ struct ath12k_htt_tx_pdev_rate_stats_tlv { __le32 tx_bw_320mhz; }; +struct ath12k_htt_tx_histogram_stats_tlv { + __le32 rate_retry_mcs_drop_cnt; + __le32 mcs_drop_rate[ATH12K_HTT_TX_PDEV_STATS_NUM_MCS_DROP_COUNTERS]; + __le32 per_histogram_cnt[ATH12K_HTT_TX_PDEV_STATS_NUM_PER_COUNTERS]; + __le32 low_latency_rate_cnt; + __le32 su_burst_rate_drop_cnt; + __le32 su_burst_rate_drop_fail_cnt; +}; + #define ATH12K_HTT_RX_PDEV_STATS_NUM_LEGACY_CCK_STATS 4 #define ATH12K_HTT_RX_PDEV_STATS_NUM_LEGACY_OFDM_STATS 8 #define ATH12K_HTT_RX_PDEV_STATS_NUM_MCS_COUNTERS 12