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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-314bc419c52sm7823000eec.10.2026.07.25.01.54.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Jul 2026 01:54:57 -0700 (PDT) From: Zijun Hu Date: Sat, 25 Jul 2026 01:54:44 -0700 Subject: [PATCH 06/11] Bluetooth: hci: Introduce hci_acl_handle() and hci_acl_dlen() helpers 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: 7bit Message-Id: <20260725-generic_fix-v1-6-305aec261a19@oss.qualcomm.com> References: <20260725-generic_fix-v1-0-305aec261a19@oss.qualcomm.com> In-Reply-To: <20260725-generic_fix-v1-0-305aec261a19@oss.qualcomm.com> To: Marcel Holtmann , Luiz Augusto von Dentz , Abhishek Pandit-Subedi , Chethan Tumkur Narayan , Manish Mandlik Cc: Zijun Hu , Luiz Augusto von Dentz , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, Zijun Hu X-Mailer: b4 0.15.2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI1MDA4MyBTYWx0ZWRfXzcDyBCyU4tE2 qhEodmZXUH3uVkvAAal+LfJ9qnvQ1onNi1BmEmXGvdIs80jFtf5lHc8KurZ9E2isN9JslQAhTOD nNiy9pcCwYgCeIlyYNDCp0lIcKKnDWCSgxeB0+rrmcW3SAe8B5/7uJ5sm1Uzu7Q60ocD0T8hnJT /F9lQ8xTAHCk7uwEIxGyKa563cMWOb6ARGpmJefPcuB1NjXubfsTX6fVCxzD6U80xOSBSFOiUcz eKGHaBSosjB2n/JD0MP9uj/GthDMT+nHINAzxwCvyHLnDuklBZkpiarVBh9MdE+fY4QYnTfpV+7 xSBlqX+nPSiV2MpPh19osJ/Ci3XcPDbePhWC+bdGEBjju8ray1hjxREL/zROoxdL7tdQ0IRcGpG gUBZG5jcHj22g2g9rhzMpRw1ZLeojGrLNWsTQvZlgA7z0gUweAe+1hRxby6Vt/o7hxupCYJVwUs 9OK8uJhAm2f4BneYLaw== X-Proofpoint-GUID: MbfkSM2R3sZfDt-PdQFzflwW39d1Qwo8 X-Authority-Analysis: v=2.4 cv=S77pBosP c=1 sm=1 tr=0 ts=6a6479e2 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=zvSapM-TluQMHEIATDwA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-ORIG-GUID: MbfkSM2R3sZfDt-PdQFzflwW39d1Qwo8 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI1MDA4MyBTYWx0ZWRfX3xfTx0rvyw6g nG4fcvAICDGVbBEK1pXWav+U2q/rr/qD+QIgaFvDg7e5qona39MoGwQQue8xfAIxs6XDfeM/yOT 0L8YceXGRqm8OPSW9rHv/XYYnNWVuvY= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-25_02,2026-07-24_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 phishscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607250083 Introduce both helpers for ACL packet since: both core and transport drivers extract the handle and data length from its header in several places. Both will be used later. Signed-off-by: Zijun Hu --- include/net/bluetooth/hci.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 50f0eef71fb1..d557bdf9ae57 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -3402,16 +3402,26 @@ static inline struct hci_iso_hdr *hci_iso_hdr(const struct sk_buff *skb) #define hci_opcode_ogf(op) (op >> 10) #define hci_opcode_ocf(op) (op & 0x03ff) /* ACL handle and flags pack/unpack */ #define hci_handle_pack(h, f) ((__u16) ((h & 0x0fff)|(f << 12))) #define hci_handle(h) (h & 0x0fff) #define hci_flags(h) (h >> 12) +static inline __u16 hci_acl_handle(const struct sk_buff *skb) +{ + return hci_handle(__le16_to_cpu(hci_acl_hdr(skb)->handle)); +} + +static inline __u16 hci_acl_dlen(const struct sk_buff *skb) +{ + return __le16_to_cpu(hci_acl_hdr(skb)->dlen); +} + /* ISO handle and flags pack/unpack */ #define hci_iso_flags_pb(f) (f & 0x0003) #define hci_iso_flags_ts(f) ((f >> 2) & 0x0001) #define hci_iso_flags_pack(pb, ts) ((pb & 0x03) | ((ts & 0x01) << 2)) /* ISO data length and flags pack/unpack */ #define hci_iso_data_len_pack(h, f) ((__u16) (((h) & 0x0fff) | \ (((f) & 0x3) << 14))) -- 2.34.1