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Layer 1 — thin typed wrappers over what the kernel exposes via netlink/sysfs.

These are the primitives returned by InventoryRaw. Users only see them via jip raw *.

Structs

Addr

A single address bound to a link.

Link

A kernel-visible network interface (link).

LinkFlags

IFF_* style flags as reported by the kernel. Stored as strings to avoid a brittle enum; query via helper methods.

MacAddr

Six-byte link-layer address. Displayed as aa:bb:cc:dd:ee:ff.

MacAddrParseError

Neighbor

A neighbor table entry (ARP/ND).

Route

A kernel routing table entry.

Socket

A listening or established socket.

Enums

AddrScope

Scope of an IP address, as reported by the kernel (RT_SCOPE_*).

L4Proto

Layer 4 transport protocol.

Lifetime

valid_lft / preferred_lft as reported by the kernel. forever is u32::MAX (4294967295) in ip -j; backends lift that to Lifetime::Forever.

LinkKind

The type of network link, as inferred from the kernel’s layer-2 type and interface name.

LinkMode

Kernel link mode (IFLA_LINKMODE). Dormant means the link waits for an upper layer (e.g. 802.1X authentication) before coming up.

NeighState

ARP/ND neighbor cache state (NUD_* flags from the kernel).

OperState

RFC 2863 operational state as reported by the kernel via IF_OPER_*.

RouteDst

Routing table destination: either the default route or a specific prefix.

RouteScope

Scope of a routing table entry (RT_SCOPE_*).

TcpState

Kernel TCP state names (also used for UDP: Unconn is the UDP “listen”).