Struct MapInfo

pub struct MapInfo {

    pub name: CString,
    pub ty: MapType,
    pub id: u32,
    pub key_size: u32,
    pub value_size: u32,
    pub max_entries: u32,
    pub map_flags: u32,
    pub ifindex: u32,
    pub btf_vmlinux_value_type_id: u32,
    pub netns_dev: u64,
    pub netns_ino: u64,
    pub btf_id: u32,
    pub btf_key_type_id: u32,
    pub btf_value_type_id: u32,
}

Information about a BPF map. Maps to struct bpf_map_info in kernel uapi.

Fields

name: CString

A user-defined name for the BPF Map (null-terminated string).

ty: MapType

The BPF map type.

id: u32

A unique identifier for this map instance.

key_size: u32

Size (in bytes) of the keys stored in the map.

value_size: u32

Size (in bytes) of the values stored in the map.

max_entries: u32

Maximum number of entries that the map can hold.

map_flags: u32

Map flags indicating specific properties (e.g., BPF_F_NO_PREALLOC).

ifindex: u32

Network interface index if the map is associated with a specific device. Otherwise, this may be zero.

btf_vmlinux_value_type_id: u32

BTF (BPF Type Format) type ID for the value type as defined in the vmlinux BTF data.

netns_dev: u64

Device identifier of the network namespace.

netns_ino: u64

Inode number of the network namespace.

btf_id: u32

BTF ID referencing the BTF data for this map. This helps to verify the correctness of the map’s data structure as per BTF metadata.

btf_key_type_id: u32

BTF type ID for the key type.

btf_value_type_id: u32

BTF type ID for the value type.

Trait Implementations

impl Clone for MapInfo

fn clone(&self) -> MapInfo

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MapInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.