feat(hci): add BPF filter for registered HCI events#14
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Implement a BPF socket filter in bt_hci_register/bt_hci_unregister that uses setsockopt(SO_ATTACH_FILTER) to only accept HCI events that have been registered, plus BT_HCI_EVT_CMD_COMPLETE and BT_HCI_EVT_CMD_STATUS which are always needed for command response processing. The filter is rebuilt each time an event is registered or unregistered, and only applies to non-stream (raw socket) connections. Changes: - Add debian/patches/fix-bpf-filter-registered-events.patch - Modify debian/patches/series - Modify debian/changelog Upstream: bluez/bluez@ccc22a9 Generated-By: glm-5-turbo Co-Authored-By: deepin-ci-robot <packages@deepin.org>
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Summary
Backport upstream commit ccc22a9193884ccc3c3cb2b7a7b90100187c20b5. Implement a BPF socket filter in bt_hci_register/bt_hci_unregister that uses setsockopt(SO_ATTACH_FILTER) to only accept HCI events that have been registered, plus BT_HCI_EVT_CMD_COMPLETE and BT_HCI_EVT_CMD_STATUS which are always needed for command response processing.
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Upstream
bluez/bluez@ccc22a91938
Generated-By: glm-5-turbo
Co-Authored-By: deepin-ci-robot packages@deepin.org