Lines Matching refs:optlen
16 all input arguments: ``level``, ``optname``, ``optval`` and ``optlen``.
26 If BPF program sets ``optlen`` to -1, the control will be returned
30 Note, that ``optlen`` can not be increased beyond the user-supplied
44 sockopt. The BPF hook can observe ``optval``, ``optlen`` and ``retval``
46 the values above, adjust ``optlen`` and reset ``retval`` to 0. If ``optlen``
60 * ``1`` - success: copy ``optval`` and ``optlen`` to userspace, return
78 adjust ``optval``, ``optlen`` and reset ``retval`` to 0. After that
84 to the input arguments (``level``, ``optname``, ``optval``, ``optlen``),
94 * Set ``optlen`` to zero, which indicates that the kernel should
97 * Set ``optlen`` to the value less than ``PAGE_SIZE``, which
100 When the BPF program returns with the ``optlen`` greater than