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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-30f365c4ee3sm3875055a91.18.2025.05.21.09.59.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 May 2025 09:59:42 -0700 (PDT) From: Aditya Kumar Singh Date: Wed, 21 May 2025 22:29:30 +0530 Subject: [PATCH ath-next 2/3] wifi: ath12k: fix regdomain update failure when adding interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250521-ath12k-fix-ah-regd_updated-v1-2-9737de5bf98e@oss.qualcomm.com> References: <20250521-ath12k-fix-ah-regd_updated-v1-0-9737de5bf98e@oss.qualcomm.com> In-Reply-To: <20250521-ath12k-fix-ah-regd_updated-v1-0-9737de5bf98e@oss.qualcomm.com> To: Jeff Johnson , Kang Yang , Wen Gong , Vasanthakumar Thiagarajan , Baochen Qiang Cc: Jeff Johnson , linux-wireless@vger.kernel.org, ath12k@lists.infradead.org, linux-kernel@vger.kernel.org, Aditya Kumar Singh X-Mailer: b4 0.14.2 X-Authority-Analysis: v=2.4 cv=V9990fni c=1 sm=1 tr=0 ts=682e0680 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=zyJjCoAm0S0MJ9WaK7cA:9 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: Hjay9-nOE6DQJbkG1WyXCW2qsuSYfXTp X-Proofpoint-GUID: Hjay9-nOE6DQJbkG1WyXCW2qsuSYfXTp X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTIxMDE2NyBTYWx0ZWRfX6f7Ttt26I2jd a5P/7APVXRPInpUDHGPS6cJ2Ip0ye2O9mCFLrf7SvjIrCILUGYGAD4JKveA7IUpNJEy3smxXBhi DZgQWFrZMfM6HAp3+YO7vA/K3t8QWzPQ3/Fth1MHhwvrj95SpFjHuxz2PtG37OCYg+h+z0/aOnt oNZcl+QE1a+4iGyCecqHyG65O0BNSmgdp5h4VTzuU9Nm6WvNA2Eo1NBLe7Ls+a6GPzqYb/IcQBW HcUw/RkxZkdNbqguNpm5d2/Me1rqE6ti1iqVA+Pe7zcSseDOnG8n8xFH1Llizf2WAkidU4rKOgU EsOBqpXvjFjOJDai6Vqem+mBg77yYejGPqfVHK/OlXFWVluQJIUktcSXn0pPcrd8f2d0xz1FCZS hWwNSH+UhMxOa5MC+uyw3jaacbtdVn8YgpHCbch9VkevkFfxlcoH7LfalomXNHTjQGvhXNJW 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=2025-05-21_05,2025-05-20_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 bulkscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 mlxscore=0 spamscore=0 phishscore=0 suspectscore=0 adultscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000 definitions=main-2505210167 From: Baochen Qiang Commit 4c546023d71a ("wifi: ath12k: update regulatory rules when interface added"), introduced a call to ath12k_reg_handle_chan_list() during interface addition to update the regulatory domain based on the interface type. While this works initially, subsequent updates (e.g., after an interface delete/re-add cycle) fail because ah->regd_updated is never reset. To address this, reset ah->regd_updated before calling ath12k_reg_handle_chan_list() to allow the update to proceed. However, this change exposes another issue: a timeout occurs when waiting for the 11D scan to complete, as seen in the log: ath12k_pci 0000:05:00.0: failed to receive 11d scan complete: timed out This happens because during interface down, ar->state_11d is set to ATH12K_11D_PREPARING, and during interface up, the host waits for ar->completed_11d_scan even though the scan hasn't started yet. Fix this by updating the wait condition to check for ATH12K_11D_RUNNING, which is the only state where a scan complete event is expected. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SIL= ICONZ-1 Fixes: 4c546023d71a ("wifi: ath12k: update regulatory rules when interface = added") Signed-off-by: Baochen Qiang Signed-off-by: Aditya Kumar Singh --- drivers/net/wireless/ath/ath12k/mac.c | 1 + drivers/net/wireless/ath/ath12k/reg.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/a= th/ath12k/mac.c index 81ff32d2ce5afce582b78c17fbdf5082e4394798..755546246915cb355fc6f40fef8= 5a87b880e2f91 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -8833,6 +8833,7 @@ static int ath12k_mac_op_add_interface(struct ieee802= 11_hw *hw, ab =3D ar->ab; reg_info =3D ab->reg_info[ar->pdev_idx]; ath12k_dbg(ab, ATH12K_DBG_MAC, "interface added to change reg rules\n"); + ah->regd_updated =3D false; ath12k_reg_handle_chan_list(ab, reg_info, ahvif->vdev_type, IEEE80211_REG_UNSET_AP); break; diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/a= th/ath12k/reg.c index 2134e72e0812b2a0bdc537ace456ef7af1db0726..2598b39d5d7ee9b24ad8ed5d6de= 1bc5bbc6554e0 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -139,7 +139,7 @@ int ath12k_reg_update_chan_list(struct ath12k *ar, bool= wait) int num_channels =3D 0; int i, ret, left; =20 - if (wait && ar->state_11d !=3D ATH12K_11D_IDLE) { + if (wait && ar->state_11d =3D=3D ATH12K_11D_RUNNING) { left =3D wait_for_completion_timeout(&ar->completed_11d_scan, ATH12K_SCAN_TIMEOUT_HZ); if (!left) { --=20 2.34.1