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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-142e0d3fdf6sm25566085c88.6.2026.08.30.22.39.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Aug 2026 22:39:51 -0700 (PDT) From: Zijun Hu Date: Sun, 30 Aug 2026 22:39:30 -0700 Subject: [PATCH BlueZ v2 2/3] doc/hci-protocol: Add BT_RECV_VENDOR_PKT socket option for HCI_CHANNEL_USER Precedence: bulk X-Mailing-List: linux-bluetooth@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: <20260830-vendor_hci-v2-2-9903760957ab@oss.qualcomm.com> References: <20260830-vendor_hci-v2-0-9903760957ab@oss.qualcomm.com> In-Reply-To: <20260830-vendor_hci-v2-0-9903760957ab@oss.qualcomm.com> To: Marcel Holtmann , Luiz Augusto von Dentz Cc: Zijun Hu , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.15.2 X-Proofpoint-GUID: 5wZYhJKmyma87aezFsZnQjjEXQqGy_Xh X-Authority-Analysis: v=2.4 cv=P6EKQCAu c=1 sm=1 tr=0 ts=6a9513a9 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=wa7QpaTpAAAA:8 a=Ydnp389x0cl5jbVLM_IA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 a=ehqneT2-Ts4HTEaPPMaO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODMxMDA0NiBTYWx0ZWRfX7HZDwlOqj0Ym 34PEwVWZWxql1VZwgkCweYs47qNdwfRADSSITNWNNKZN5miSyi1+Loixo1PBC/ayLV4U5HW8WdH pRi8y4XflmAE6j6eyqrqYv35HPLmtAmRYDfNU1saALNpq0qrUwRsvlV6/nUW1UC2e9RplqeVCEL 0rz7EAHfETN/Nf0/HiSu9b/aIqweCp6ACr1y5yt497Slqj/s5CekBaVuZlmZBaNWMB5mF9rc4L8 AUfH6CmN7Xk6oJHbT0Joe9NKt4MDTb/07+EdzRAPN+jAUnxopTG+guYGNTH5qEx+RfM/MJ6fZOZ h0ofJeevf5zPolba5xdF6szWZXSTBfjgUg/qEILBoyGQiOzuXz0ueT/Icqeva2UHOolMONlKK46 QG+n6P4RQTjM4jES5MhLSJRiJooFMnMun2oMZLxwODcoZbeHJ6Br5G6kLtQ6LnJQOAawKuveevS IHL70s3/KhaVElcPVZg== X-Proofpoint-Spam-Info: AW1haW4tMjYwODMxMDA0NiBTYWx0ZWRfX8SHpTDZTsksc Shw+ef22mghBM4rMMw+5tamjsR/nOaa0gu5gkZV82J+xBY2k8W7sZQz6wOp6tas3YGHP/SC4oQo Vr/+4M09poDJFNKbI/dEZhVl/5Zxzyc= X-Proofpoint-ORIG-GUID: 5wZYhJKmyma87aezFsZnQjjEXQqGy_Xh 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=2026-08-31_02,2026-08-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 spamscore=0 adultscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608310046 BT_RECV_VENDOR_PKT controls receiving vendor HCI packets over HCI_CHANNEL_USER. Disabled by default to avoid regressions for existing applications. --- Changes since previous version: - Rename BT_RCV_VENDOR_PKT to BT_RECV_VENDOR_PKT - Change @enable type from int to uint32_t - Improve the commit title and message --- doc/hci-protocol.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/doc/hci-protocol.rst b/doc/hci-protocol.rst index db10b35df736..3cb5ce09bb2d 100644 --- a/doc/hci-protocol.rst +++ b/doc/hci-protocol.rst @@ -131,16 +131,34 @@ Example: uint16_t mtu; socklen_t len; int err; len = sizeof(mtu); err = getsockopt(sock, SOL_BLUETOOTH, BT_RCVMTU, &mtu, &len); +BT_RECV_VENDOR_PKT (since Linux 7.3) +------------------------------------ + +Control receiving vendor HCI packets, requires hci_channel to be set to +HCI_CHANNEL_USER. + +Default is disabled. + +Example: + +.. code-block:: + + uint32_t enable = 1; + int err; + + err = setsockopt(fd, SOL_BLUETOOTH, BT_RECV_VENDOR_PKT, &enable, + sizeof(enable)); + RESOURCES ========= http://www.bluez.org REPORTING BUGS ============== -- 2.34.1