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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cd8ba89f984sm650235a12.16.2026.10.23.04.04.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 23 Oct 2026 04:04:22 -0700 (PDT) Message-ID: <2467a07c-e215-4cfa-82ac-22214a144dae@oss.qualcomm.com> Date: Fri, 23 Oct 2026 19:04:19 +0800 X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH ath-current v2] wifi: ath12k: fix DMA direction for re-injected Rx buffers To: Lorenzo Bianconi , Jeff Johnson , Kalle Valo , Baochen Qiang Cc: Jeff Johnson , linux-wireless@vger.kernel.org, ath12k@lists.infradead.org References: <20261023-ath12k-fix-dma-mapping-for-reinject-packets-v2-1-9f436a26dd72@oss.qualcomm.com> From: Baochen Qiang Content-Language: en-US In-Reply-To: <20261023-ath12k-fix-dma-mapping-for-reinject-packets-v2-1-9f436a26dd72@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIzMDA0MiBTYWx0ZWRfX/GECm+Xiws3v f3l/Tw9unKI5fTjWw/i+Dtr+YopauGJSrmjrij77birXqNGMeSla7lL4TE10oSrlfWluyNhzqaU PwrBfzcLxenCZsgN9ryGRjSQUvad8Dq7N79KEpOSSagOlahssrM0gxZFUPzCtsRhP3ghGjQsL3c BZik6A0aKIkqab19zaolAOJjOmhqXEUKOqIC3vXz9PeriLYhzbsY77YntJLdrUcusY00980hCwc XKkW+LfEySy4sSrwGgmppY78H5zThHF0LXpz3RG916IaI2HMjcbaoT0biYxOs/TS0HAp35rGwdZ xQDRQTRRmEHxeIgPDWm2ntBUkyz3oxBfwev8JCjENNh1Hn8oIxbGpCalQm1Su80xHujXHPMlseB BJBloC5wk4W1OgM51PvJDmm5Cdm7EsTEUmIj/Q8T1Ge6fRLB9KMISXz2tvBBY9nrigUUyywz33F OUk/U3CojeFeQ5hGqDA== X-Proofpoint-ORIG-GUID: CQKEAbW7uijocpMurUeqY0aTJr_KUPOR X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIzMDA0MiBTYWx0ZWRfXxKmuN2m+C0B7 zRN81O/sNGqNwiyTYXW5gKTvd1OhjqMC0KoC0IYEfqhO3NQ6PA+K0ZDSKu9lL9u7C2Bk1FVoqkB dAhWhX5lAs9jGh+XaqxBppCLALwdG4Y= X-Proofpoint-GUID: CQKEAbW7uijocpMurUeqY0aTJr_KUPOR X-Authority-Analysis: v=2.4 cv=GLKdgeNK c=1 sm=1 tr=0 ts=6adb3f38 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=ibqxR-RKkZcGmlNDQqMA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-23_03,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610230042 On 10/23/2026 5:25 PM, Lorenzo Bianconi wrote: > @@ -983,8 +980,8 @@ static int ath12k_wifi7_dp_rx_h_defrag_reo_reinject(struct ath12k_dp *dp, > list_add_tail(&desc_info->list, &dp->rx_desc_free_list); > spin_unlock_bh(&dp->rx_desc_lock); > err_unmap_dma: > - dma_unmap_single(dp->dev, buf_paddr, defrag_skb->len + skb_tailroom(defrag_skb), > - DMA_TO_DEVICE); > + ath12k_dp_unmap_rx_buf(dp, defrag_skb); buf_paddr has not been updated to skb_cb->paddr when we reach here. v1 has rxcb->paddr = buf_paddr; before jumping, so v1 is good.