Lines Matching refs:optval
16 all input arguments: ``level``, ``optname``, ``optval`` and ``optlen``.
44 sockopt. The BPF hook can observe ``optval``, ``optlen`` and ``retval``
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``),
89 Large optval
91 When the ``optval`` is greater than the ``PAGE_SIZE``, the BPF program
96 done by the BPF program to the ``optval`` are ignored.
98 indicates that the kernel should use BPF's trimmed ``optval``.
118 optval[0] = ...;
126 optval[0] = ...;
131 /* optval larger than PAGE_SIZE use kernel's buffer. */
150 optval[0] = ...;
154 /* optval larger than PAGE_SIZE use kernel's buffer. */