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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3957f4c9918sm404261a91.0.2026.08.18.22.33.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Aug 2026 22:33:20 -0700 (PDT) From: Pardeep Kaur X-Google-Original-From: Pardeep Kaur , Pardeep Kaur Subject: [PATCH ath-next v4 6/8] wifi: ath12k: track per-ring RX sent-to-stack count Date: Wed, 19 Aug 2026 11:02:45 +0530 Message-Id: <20260819053247.1420393-7-pardeep.kaur@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260819053247.1420393-1-pardeep.kaur@oss.qualcomm.com> References: <20260819053247.1420393-1-pardeep.kaur@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=FIorAeos c=1 sm=1 tr=0 ts=6a854022 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=Ga8fF9AItmT7q7bL59kA:9 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDAzOSBTYWx0ZWRfX3xl7vJLKyN/1 9iJQXpFQmSPAOFaO/8Ht0lXbQkxFCspPAYl8auTahVqDmQhjtgMkeZXKYIrS6ZRQncHTNGTH2hy 2nxCd1p0+3qSiLJDqYcmChMzmdJqAZc= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDAzOSBTYWx0ZWRfX2Aylik5bY/PX 6EBXJZGWIS/etN6NPS1HX3UcxgtcnHdYUhKLBHehTKIo2dn425jxJ+DJ4RQQLgmirIcPVyHUNLy /wfaNksahKUoeanjc7hwGijR+qzMeeZaR0uls1jpk6hMZX7cu4Ez2k1CCJBAqOtGi3vwjhjM6uw uSFjE7icw46a7JoC++axt40yu1cV3Qh07WsDkZg60JmjnNoLM2CgktmS5YdRfESL+s+ln1qJIbk q1Wxlx/4v+56gVjoRFOhHPi0EkrmMWnjCJFi+NbKgaoX579PpD8FLMui63UddiGd1C0s8aEhKOU GSKBLLxKhyQXjwJLbmKFZAt9sUwJ+xnq4KO5+c3kC3atAlhp1GvF8jjYqVbHi7l1pnySe40JCY8 qel/WZyrcnwmjlSvLoL0CnOzR51enqutmBhUBAWp4ThcSANl2a2H9gXj9MhzjuO3lXNfmeWQ7Ch wGQootwODMLNRSwxNeA== X-Proofpoint-GUID: HOnmuu5XRbtIbgRnHnLXBp6K35n1Mjfo X-Proofpoint-ORIG-GUID: HOnmuu5XRbtIbgRnHnLXBp6K35n1Mjfo X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_01,2026-08-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 adultscore=0 clxscore=1015 bulkscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190039 From: Hariharan Ramanathan The device DP stats provide visibility into RX errors and drops but lack a counter for successfully delivered packets. Without this, it is difficult to correlate REO ring activity with actual stack delivery during debugging or performance analysis. Add sent_to_stack[DP_REO_DST_RING_MAX][ATH12K_MAX_DEVICES] to ath12k_device_dp_stats to track successful deliveries per REO ring per device. The counter is attributed to the ring owner's dp and indexed by partner_dp->device_id, keeping it in the same debugfs file as reo_rx[] for direct comparison in MLO configurations. Increment the counter just before each MSDU is handed off to the stack via ath12k_dp_rx_deliver_msdu(). Add a likely()/WARN_ON_ONCE() bounds check on ring_id before indexing sent_to_stack[], consistent with all other new stat arrays in this series. Expose the per-ring per-device counts in the device_dp_stats debugfs file under a new 'REO sent to stack:' section. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.6.r1-00402-QCAHKSWPL_SILICONZ-1 Signed-off-by: Hariharan Ramanathan Co-developed-by: Pardeep Kaur Signed-off-by: Pardeep Kaur --- drivers/net/wireless/ath/ath12k/debugfs.c | 10 ++++++++++ drivers/net/wireless/ath/ath12k/dp.h | 1 + drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c | 4 ++++ 3 files changed, 15 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c index 935da8d06450..5d5597d80417 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.c +++ b/drivers/net/wireless/ath/ath12k/debugfs.c @@ -1122,6 +1122,16 @@ static ssize_t ath12k_debugfs_dump_device_dp_stats(struct file *file, len += scnprintf(buf + len, size - len, "%s: %u\n", wbm_rx_drop[i], device_stats->wbm_err.drop[i]); + len += scnprintf(buf + len, size - len, "\nREO sent to stack:\n"); + for (i = 0; i < DP_REO_DST_RING_MAX; i++) { + len += scnprintf(buf + len, size - len, "ring%d:", i); + for (j = 0; j < ab->ag->num_devices; j++) + len += scnprintf(buf + len, size - len, + "\t%d:%u", j, + device_stats->sent_to_stack[i][j]); + len += scnprintf(buf + len, size - len, "\n"); + } + len += scnprintf(buf + len, size - len, "\nHAL REO errors:\n"); for (i = 0; i < DP_REO_DST_RING_MAX; i++) diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h index 9b57b2170b60..5cfe2096c633 100644 --- a/drivers/net/wireless/ath/ath12k/dp.h +++ b/drivers/net/wireless/ath/ath12k/dp.h @@ -458,6 +458,7 @@ struct ath12k_device_dp_stats { u32 tx_enqueued[DP_TCL_NUM_RING_MAX]; u32 tx_completed[DP_TCL_NUM_RING_MAX]; u32 reo_excep_msdu_buf_type; + u32 sent_to_stack[DP_REO_DST_RING_MAX][ATH12K_MAX_DEVICES]; }; struct ath12k_dp { diff --git a/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c b/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c index abe461886a12..5325d271fd6a 100644 --- a/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c @@ -651,6 +651,10 @@ ath12k_wifi7_dp_rx_process_received_packets(struct ath12k_dp *dp, dev_kfree_skb_any(msdu); continue; } + if (likely(ring_id < DP_REO_DST_RING_MAX)) + dp->device_stats.sent_to_stack[ring_id][partner_dp->device_id]++; + else + WARN_ON_ONCE(1); ath12k_dp_rx_deliver_msdu(dp_pdev, napi, msdu, &rx_info); } -- 2.34.1