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Wed, 24 Jul 2024 04:28:33 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 46O4SX9F023163; Wed, 24 Jul 2024 04:28:33 GMT Received: from hu-devc-blr-u22-a.qualcomm.com (hu-rgnanase-blr.qualcomm.com [10.190.106.79]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 46O4SXFq023162 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 Jul 2024 04:28:33 +0000 Received: by hu-devc-blr-u22-a.qualcomm.com (Postfix, from userid 2378837) id 9A86441107; Wed, 24 Jul 2024 09:58:32 +0530 (+0530) From: Ramya Gnanasekar To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Ramya Gnanasekar , Dinesh Karthikeyan Subject: [PATCH] wifi: ath12k: Support transmit hardware queue stats Date: Wed, 24 Jul 2024 09:58:09 +0530 Message-Id: <20240724042809.3716580-1-quic_rgnanase@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-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 0IwsTDMeT9iucij5mDUbReYB3DAI6Ap2 X-Proofpoint-GUID: 0IwsTDMeT9iucij5mDUbReYB3DAI6Ap2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-24_02,2024-07-23_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 adultscore=0 clxscore=1011 mlxlogscore=999 lowpriorityscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2407240032 Add support to request firmware hardware stats through HTT stats and display the stats information in debugfs. Sample Output: ------------- echo 3 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_reset cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats HTT_TX_HWQ_STATS_CMN_TLV: mac_id = 0 hwq_id = 0 xretry = 0 underrun_cnt = 42 flush_cnt = 0 filt_cnt = 0 null_mpdu_bmap = 0 user_ack_failure = 42 ack_tlv_proc = 0 sched_id_proc = 0 null_mpdu_tx_count = 42 mpdu_bmap_not_recvd = 0 num_bar = 0 rts = 0 cts2self = 0 qos_null = 0 mpdu_tried_cnt = 0 mpdu_queued_cnt = 42 mpdu_ack_fail_cnt = 0 mpdu_filt_cnt = 0 false_mpdu_ack_count = 0 txq_timeout = 0 HTT_TX_HWQ_CMD_RESULT_STATS_TLV: cmd_result = 0:42, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0 HTT_TX_HWQ_CMD_STALL_STATS_TLV: cmd_stall_status = 0:0, 1:0, 2:0, 3:0, 4:0 HTT_TX_HWQ_FES_RESULT_STATS_TLV: fes_result = 0:42, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0 HTT_TX_HWQ_STATS_CMN_TLV: mac_id = 0 hwq_id = 1 xretry = 0 underrun_cnt = 0 flush_cnt = 0 filt_cnt = 0 null_mpdu_bmap = 0 user_ack_failure = 0 ack_tlv_proc = 0 sched_id_proc = 0 null_mpdu_tx_count = 0 mpdu_bmap_not_recvd = 0 num_bar = 0 rts = 0 cts2self = 0 qos_null = 0 mpdu_tried_cnt = 0 mpdu_queued_cnt = 0 mpdu_ack_fail_cnt = 0 mpdu_filt_cnt = 0 false_mpdu_ack_count = 0 txq_timeout = 0 ..... ..... HTT_TX_HWQ_STATS_CMN_TLV: mac_id = 0 hwq_id = 20 xretry = 0 underrun_cnt = 0 ..... ..... Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-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: Dinesh Karthikeyan Signed-off-by: Ramya Gnanasekar Acked-by: Jeff Johnson --- .../wireless/ath/ath12k/debugfs_htt_stats.c | 164 ++++++++++++++++++ .../wireless/ath/ath12k/debugfs_htt_stats.h | 46 +++++ 2 files changed, 210 insertions(+) base-commit: db1ce56e6e1d395dd42a3cd6332a871d9be59c45 diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index f1b7e74aefe4..2d56d4d01c26 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -1447,6 +1447,134 @@ ath12k_htt_print_tx_de_compl_stats_tlv(const void *tag_buf, u16 tag_len, stats_req->buf_len = len; } +static void +htt_print_tx_hwq_stats_cmn_tlv(const void *tag_buf, u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_tx_hwq_stats_cmn_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; + u32 mac_id_word; + + if (tag_len < sizeof(*htt_stats_buf)) + return; + + mac_id_word = le32_to_cpu(htt_stats_buf->mac_id__hwq_id__word); + + len += scnprintf(buf + len, buf_len - len, "HTT_TX_HWQ_STATS_CMN_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, "hwq_id = %u\n", + u32_get_bits(mac_id_word, ATH12K_HTT_STATS_HWQ_ID)); + len += scnprintf(buf + len, buf_len - len, "xretry = %u\n", + le32_to_cpu(htt_stats_buf->xretry)); + len += scnprintf(buf + len, buf_len - len, "underrun_cnt = %u\n", + le32_to_cpu(htt_stats_buf->underrun_cnt)); + len += scnprintf(buf + len, buf_len - len, "flush_cnt = %u\n", + le32_to_cpu(htt_stats_buf->flush_cnt)); + len += scnprintf(buf + len, buf_len - len, "filt_cnt = %u\n", + le32_to_cpu(htt_stats_buf->filt_cnt)); + len += scnprintf(buf + len, buf_len - len, "null_mpdu_bmap = %u\n", + le32_to_cpu(htt_stats_buf->null_mpdu_bmap)); + len += scnprintf(buf + len, buf_len - len, "user_ack_failure = %u\n", + le32_to_cpu(htt_stats_buf->user_ack_failure)); + len += scnprintf(buf + len, buf_len - len, "ack_tlv_proc = %u\n", + le32_to_cpu(htt_stats_buf->ack_tlv_proc)); + len += scnprintf(buf + len, buf_len - len, "sched_id_proc = %u\n", + le32_to_cpu(htt_stats_buf->sched_id_proc)); + len += scnprintf(buf + len, buf_len - len, "null_mpdu_tx_count = %u\n", + le32_to_cpu(htt_stats_buf->null_mpdu_tx_count)); + len += scnprintf(buf + len, buf_len - len, "mpdu_bmap_not_recvd = %u\n", + le32_to_cpu(htt_stats_buf->mpdu_bmap_not_recvd)); + len += scnprintf(buf + len, buf_len - len, "num_bar = %u\n", + le32_to_cpu(htt_stats_buf->num_bar)); + len += scnprintf(buf + len, buf_len - len, "rts = %u\n", + le32_to_cpu(htt_stats_buf->rts)); + len += scnprintf(buf + len, buf_len - len, "cts2self = %u\n", + le32_to_cpu(htt_stats_buf->cts2self)); + len += scnprintf(buf + len, buf_len - len, "qos_null = %u\n", + le32_to_cpu(htt_stats_buf->qos_null)); + len += scnprintf(buf + len, buf_len - len, "mpdu_tried_cnt = %u\n", + le32_to_cpu(htt_stats_buf->mpdu_tried_cnt)); + len += scnprintf(buf + len, buf_len - len, "mpdu_queued_cnt = %u\n", + le32_to_cpu(htt_stats_buf->mpdu_queued_cnt)); + len += scnprintf(buf + len, buf_len - len, "mpdu_ack_fail_cnt = %u\n", + le32_to_cpu(htt_stats_buf->mpdu_ack_fail_cnt)); + len += scnprintf(buf + len, buf_len - len, "mpdu_filt_cnt = %u\n", + le32_to_cpu(htt_stats_buf->mpdu_filt_cnt)); + len += scnprintf(buf + len, buf_len - len, "false_mpdu_ack_count = %u\n", + le32_to_cpu(htt_stats_buf->false_mpdu_ack_count)); + len += scnprintf(buf + len, buf_len - len, "txq_timeout = %u\n\n", + le32_to_cpu(htt_stats_buf->txq_timeout)); + + stats_req->buf_len = len; +} + +static void +htt_print_tx_hwq_cmd_result_stats_tlv(const void *tag_buf, + u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_tx_hwq_cmd_result_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; + u16 num_elems = min_t(u16, (tag_len >> 2), + ATH12K_HTT_TX_HWQ_MAX_CMD_RESULT_STATS); + + len += scnprintf(buf + len, buf_len - len, + "HTT_TX_HWQ_CMD_RESULT_STATS_TLV:\n"); + + len += print_array_to_buf(buf, len, "cmd_result", htt_stats_buf->cmd_result, + num_elems, "\n\n"); + + stats_req->buf_len = len; +} + +static void +htt_print_tx_hwq_cmd_stall_stats_tlv(const void *tag_buf, + u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_tx_hwq_cmd_stall_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; + u16 num_elems = min_t(u16, (tag_len >> 2), + ATH12K_HTT_TX_HWQ_MAX_CMD_STALL_STATS); + + len += scnprintf(buf + len, buf_len - len, + "HTT_TX_HWQ_CMD_STALL_STATS_TLV:\n"); + + len += print_array_to_buf(buf, len, "cmd_stall_status", + htt_stats_buf->cmd_stall_status, + num_elems, "\n\n"); + + stats_req->buf_len = len; +} + +static void +htt_print_tx_hwq_fes_result_stats_tlv(const void *tag_buf, + u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_tx_hwq_fes_result_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; + u16 num_elems = min_t(u16, (tag_len >> 2), + ATH12K_HTT_TX_HWQ_MAX_FES_RESULT_STATS); + + len += scnprintf(buf + len, buf_len - len, + "HTT_TX_HWQ_FES_RESULT_STATS_TLV:\n"); + + len += print_array_to_buf(buf, len, "fes_result", htt_stats_buf->fes_result, + num_elems, "\n\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) @@ -1552,6 +1680,18 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab, case HTT_STATS_TX_DE_COMPL_STATS_TAG: ath12k_htt_print_tx_de_compl_stats_tlv(tag_buf, len, stats_req); break; + case HTT_STATS_TX_HWQ_CMN_TAG: + htt_print_tx_hwq_stats_cmn_tlv(tag_buf, len, stats_req); + break; + case HTT_STATS_TX_HWQ_CMD_RESULT_TAG: + htt_print_tx_hwq_cmd_result_stats_tlv(tag_buf, len, stats_req); + break; + case HTT_STATS_TX_HWQ_CMD_STALL_TAG: + htt_print_tx_hwq_cmd_stall_stats_tlv(tag_buf, len, stats_req); + break; + case HTT_STATS_TX_HWQ_FES_STATUS_TAG: + htt_print_tx_hwq_fes_result_stats_tlv(tag_buf, len, stats_req); + break; default: break; } @@ -1683,6 +1823,24 @@ static const struct file_operations fops_htt_stats_type = { .llseek = default_llseek, }; +static int ath12k_prep_htt_stats_cfg_params(struct ath12k *ar, + enum ath12k_dbg_htt_ext_stats_type type, + struct htt_ext_stats_cfg_params *cfg_params) +{ + if (!cfg_params) + return -EINVAL; + + switch (type) { + case ATH12K_DBG_HTT_EXT_STATS_PDEV_TX_HWQ: + cfg_params->cfg0 = HTT_STAT_DEFAULT_CFG0_ALL_HWQS; + break; + default: + break; + } + + return 0; +} + static int ath12k_debugfs_htt_stats_req(struct ath12k *ar) { struct debug_htt_stats_req *stats_req = ar->debug.htt_stats.stats_req; @@ -1703,6 +1861,12 @@ static int ath12k_debugfs_htt_stats_req(struct ath12k *ar) ATH12K_HTT_STATS_COOKIE_MSB); cookie |= u64_encode_bits(pdev_id, ATH12K_HTT_STATS_COOKIE_LSB); + ret = ath12k_prep_htt_stats_cfg_params(ar, type, &cfg_params); + if (ret) { + ath12k_warn(ar->ab, "failed to set htt stats cfg params: %d\n", ret); + return ret; + } + if (stats_req->override_cfg_param) { cfg_params.cfg0 = stats_req->cfg_param[0]; cfg_params.cfg1 = stats_req->cfg_param[1]; diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h index d52b26b23e65..525a8c615bfd 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h @@ -125,6 +125,7 @@ struct ath12k_htt_extd_stats_msg { enum ath12k_dbg_htt_ext_stats_type { ATH12K_DBG_HTT_EXT_STATS_RESET = 0, ATH12K_DBG_HTT_EXT_STATS_PDEV_TX = 1, + ATH12K_DBG_HTT_EXT_STATS_PDEV_TX_HWQ = 3, ATH12K_DBG_HTT_EXT_STATS_PDEV_TX_SCHED = 4, ATH12K_DBG_HTT_EXT_STATS_PDEV_ERROR = 5, ATH12K_DBG_HTT_EXT_STATS_PDEV_TQM = 6, @@ -139,6 +140,10 @@ 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_HWQ_CMN_TAG = 6, + HTT_STATS_TX_HWQ_CMD_RESULT_TAG = 8, + HTT_STATS_TX_HWQ_CMD_STALL_TAG = 9, + HTT_STATS_TX_HWQ_FES_STATUS_TAG = 10, HTT_STATS_TX_TQM_GEN_MPDU_TAG = 11, HTT_STATS_TX_TQM_LIST_MPDU_TAG = 12, HTT_STATS_TX_TQM_LIST_MPDU_CNT_TAG = 13, @@ -172,6 +177,7 @@ enum ath12k_dbg_htt_tlv_tag { }; #define ATH12K_HTT_STATS_MAC_ID GENMASK(7, 0) +#define ATH12K_HTT_STATS_HWQ_ID GENMASK(15, 8) #define ATH12K_HTT_TX_PDEV_MAX_SIFS_BURST_STATS 9 #define ATH12K_HTT_TX_PDEV_MAX_FLUSH_REASON_STATS 150 @@ -690,4 +696,44 @@ struct ath12k_htt_tx_de_compl_stats_tlv { __le32 tqm_bypass_frame; } __packed; +#define ATH12K_HTT_TX_HWQ_MAX_CMD_RESULT_STATS 13 +#define ATH12K_HTT_TX_HWQ_MAX_CMD_STALL_STATS 5 +#define ATH12K_HTT_TX_HWQ_MAX_FES_RESULT_STATS 10 + +struct ath12k_htt_tx_hwq_stats_cmn_tlv { + __le32 mac_id__hwq_id__word; + __le32 xretry; + __le32 underrun_cnt; + __le32 flush_cnt; + __le32 filt_cnt; + __le32 null_mpdu_bmap; + __le32 user_ack_failure; + __le32 ack_tlv_proc; + __le32 sched_id_proc; + __le32 null_mpdu_tx_count; + __le32 mpdu_bmap_not_recvd; + __le32 num_bar; + __le32 rts; + __le32 cts2self; + __le32 qos_null; + __le32 mpdu_tried_cnt; + __le32 mpdu_queued_cnt; + __le32 mpdu_ack_fail_cnt; + __le32 mpdu_filt_cnt; + __le32 false_mpdu_ack_count; + __le32 txq_timeout; +} __packed; + +struct ath12k_htt_tx_hwq_cmd_result_stats_tlv { + DECLARE_FLEX_ARRAY(__le32, cmd_result); +} __packed; + +struct ath12k_htt_tx_hwq_cmd_stall_stats_tlv { + DECLARE_FLEX_ARRAY(__le32, cmd_stall_status); +} __packed; + +struct ath12k_htt_tx_hwq_fes_result_stats_tlv { + DECLARE_FLEX_ARRAY(__le32, fes_result); +} __packed; + #endif