diff options
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/netlink/genetlink-legacy.rst | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/userspace-api/netlink/genetlink-legacy.rst b/Documentation/userspace-api/netlink/genetlink-legacy.rst index 70a77387f6c4..54e8fb25e093 100644 --- a/Documentation/userspace-api/netlink/genetlink-legacy.rst +++ b/Documentation/userspace-api/netlink/genetlink-legacy.rst @@ -46,10 +46,16 @@ For reference the ``multi-attr`` array may look like this:: where ``ARRAY-ATTR`` is the array entry type. -array-nest -~~~~~~~~~~ +indexed-array +~~~~~~~~~~~~~ + +``indexed-array`` wraps the entire array in an extra attribute (hence +limiting its size to 64kB). The ``ENTRY`` nests are special and have the +index of the entry as their type instead of normal attribute type. -``array-nest`` creates the following structure:: +A ``sub-type`` is needed to describe what type in the ``ENTRY``. A ``nest`` +``sub-type`` means there are nest arrays in the ``ENTRY``, with the structure +looks like:: [SOME-OTHER-ATTR] [ARRAY-ATTR] |